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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2018, Intel Corporation. */
3
4/* ethtool support for ice */
5
6#include "ice.h"
7#include "ice_ethtool.h"
8#include "ice_flow.h"
9#include "ice_fltr.h"
10#include "ice_lib.h"
11#include "ice_dcb_lib.h"
12#include <net/dcbnl.h>
13
14struct ice_stats {
15 char stat_string[ETH_GSTRING_LEN];
16 int sizeof_stat;
17 int stat_offset;
18};
19
20#define ICE_STAT(_type, _name, _stat) { \
21 .stat_string = _name, \
22 .sizeof_stat = sizeof_field(_type, _stat), \
23 .stat_offset = offsetof(_type, _stat) \
24}
25
26#define ICE_VSI_STAT(_name, _stat) \
27 ICE_STAT(struct ice_vsi, _name, _stat)
28#define ICE_PF_STAT(_name, _stat) \
29 ICE_STAT(struct ice_pf, _name, _stat)
30
31static int ice_q_stats_len(struct net_device *netdev)
32{
33 struct ice_netdev_priv *np = netdev_priv(netdev);
34
35 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
36 (sizeof(struct ice_q_stats) / sizeof(u64)));
37}
38
39#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
40#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
41
42#define ICE_PFC_STATS_LEN ( \
43 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
44 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
45 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
46 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
47 / sizeof(u64))
48#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
49 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
50
51static const struct ice_stats ice_gstrings_vsi_stats[] = {
52 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
53 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
54 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
55 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
56 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
57 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
58 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
59 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
60 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
61 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
62 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
63 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
65 ICE_VSI_STAT("tx_linearize", tx_linearize),
66 ICE_VSI_STAT("tx_busy", tx_busy),
67 ICE_VSI_STAT("tx_restart", tx_restart),
68};
69
70enum ice_ethtool_test_id {
71 ICE_ETH_TEST_REG = 0,
72 ICE_ETH_TEST_EEPROM,
73 ICE_ETH_TEST_INTR,
74 ICE_ETH_TEST_LOOP,
75 ICE_ETH_TEST_LINK,
76};
77
78static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)",
80 "EEPROM test (offline)",
81 "Interrupt test (offline)",
82 "Loopback test (offline)",
83 "Link test (on/offline)",
84};
85
86#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
87
88/* These PF_STATs might look like duplicates of some NETDEV_STATs,
89 * but they aren't. This device is capable of supporting multiple
90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
91 * netdevs whereas the PF_STATs are for the physical function that's
92 * hosting these netdevs.
93 *
94 * The PF_STATs are appended to the netdev stats only when ethtool -S
95 * is queried on the base PF netdev.
96 */
97static const struct ice_stats ice_gstrings_pf_stats[] = {
98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
139 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
144};
145
146static const u32 ice_regs_dump_list[] = {
147 PFGEN_STATE,
148 PRTGEN_STATUS,
149 QRX_CTRL(0),
150 QINT_TQCTL(0),
151 QINT_RQCTL(0),
152 PFINT_OICR_ENA,
153 QRX_ITR(0),
154#define GLDCB_TLPM_PCI_DM 0x000A0180
155 GLDCB_TLPM_PCI_DM,
156#define GLDCB_TLPM_TC2PFC 0x000A0194
157 GLDCB_TLPM_TC2PFC,
158#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
159 TCDCB_TLPM_WAIT_DM(0),
160 TCDCB_TLPM_WAIT_DM(1),
161 TCDCB_TLPM_WAIT_DM(2),
162 TCDCB_TLPM_WAIT_DM(3),
163 TCDCB_TLPM_WAIT_DM(4),
164 TCDCB_TLPM_WAIT_DM(5),
165 TCDCB_TLPM_WAIT_DM(6),
166 TCDCB_TLPM_WAIT_DM(7),
167 TCDCB_TLPM_WAIT_DM(8),
168 TCDCB_TLPM_WAIT_DM(9),
169 TCDCB_TLPM_WAIT_DM(10),
170 TCDCB_TLPM_WAIT_DM(11),
171 TCDCB_TLPM_WAIT_DM(12),
172 TCDCB_TLPM_WAIT_DM(13),
173 TCDCB_TLPM_WAIT_DM(14),
174 TCDCB_TLPM_WAIT_DM(15),
175 TCDCB_TLPM_WAIT_DM(16),
176 TCDCB_TLPM_WAIT_DM(17),
177 TCDCB_TLPM_WAIT_DM(18),
178 TCDCB_TLPM_WAIT_DM(19),
179 TCDCB_TLPM_WAIT_DM(20),
180 TCDCB_TLPM_WAIT_DM(21),
181 TCDCB_TLPM_WAIT_DM(22),
182 TCDCB_TLPM_WAIT_DM(23),
183 TCDCB_TLPM_WAIT_DM(24),
184 TCDCB_TLPM_WAIT_DM(25),
185 TCDCB_TLPM_WAIT_DM(26),
186 TCDCB_TLPM_WAIT_DM(27),
187 TCDCB_TLPM_WAIT_DM(28),
188 TCDCB_TLPM_WAIT_DM(29),
189 TCDCB_TLPM_WAIT_DM(30),
190 TCDCB_TLPM_WAIT_DM(31),
191#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
192 GLPCI_WATMK_CLNT_PIPEMON,
193#define GLPCI_CUR_CLNT_COMMON 0x000BFD84
194 GLPCI_CUR_CLNT_COMMON,
195#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
196 GLPCI_CUR_CLNT_PIPEMON,
197#define GLPCI_PCIERR 0x0009DEB0
198 GLPCI_PCIERR,
199#define GLPSM_DEBUG_CTL_STATUS 0x000B0600
200 GLPSM_DEBUG_CTL_STATUS,
201#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
202 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
203#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
204 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
205#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
206 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
207#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
208 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
209#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
210 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
211#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
212 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
213#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
214 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
215#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
216 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
217#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
218 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
219#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
220 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
221#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
222 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
223#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
224 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
225#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
226 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
227#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
228 GLTDPU_TCLAN_COMP_BOB(1),
229 GLTDPU_TCLAN_COMP_BOB(2),
230 GLTDPU_TCLAN_COMP_BOB(3),
231 GLTDPU_TCLAN_COMP_BOB(4),
232 GLTDPU_TCLAN_COMP_BOB(5),
233 GLTDPU_TCLAN_COMP_BOB(6),
234 GLTDPU_TCLAN_COMP_BOB(7),
235 GLTDPU_TCLAN_COMP_BOB(8),
236#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
237 GLTDPU_TCB_CMD_BOB(1),
238 GLTDPU_TCB_CMD_BOB(2),
239 GLTDPU_TCB_CMD_BOB(3),
240 GLTDPU_TCB_CMD_BOB(4),
241 GLTDPU_TCB_CMD_BOB(5),
242 GLTDPU_TCB_CMD_BOB(6),
243 GLTDPU_TCB_CMD_BOB(7),
244 GLTDPU_TCB_CMD_BOB(8),
245#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
246 GLTDPU_PSM_UPDATE_BOB(1),
247 GLTDPU_PSM_UPDATE_BOB(2),
248 GLTDPU_PSM_UPDATE_BOB(3),
249 GLTDPU_PSM_UPDATE_BOB(4),
250 GLTDPU_PSM_UPDATE_BOB(5),
251 GLTDPU_PSM_UPDATE_BOB(6),
252 GLTDPU_PSM_UPDATE_BOB(7),
253 GLTDPU_PSM_UPDATE_BOB(8),
254#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
255 GLTCB_CMD_IN_BOB(1),
256 GLTCB_CMD_IN_BOB(2),
257 GLTCB_CMD_IN_BOB(3),
258 GLTCB_CMD_IN_BOB(4),
259 GLTCB_CMD_IN_BOB(5),
260 GLTCB_CMD_IN_BOB(6),
261 GLTCB_CMD_IN_BOB(7),
262 GLTCB_CMD_IN_BOB(8),
263#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
264 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
272#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
273 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
281#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
282 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
290#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
291 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
299#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
300 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
308#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
309 PRTDCB_TCUPM_REG_CM(0),
310 PRTDCB_TCUPM_REG_CM(1),
311 PRTDCB_TCUPM_REG_CM(2),
312 PRTDCB_TCUPM_REG_CM(3),
313#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
314 PRTDCB_TCUPM_REG_DM(0),
315 PRTDCB_TCUPM_REG_DM(1),
316 PRTDCB_TCUPM_REG_DM(2),
317 PRTDCB_TCUPM_REG_DM(3),
318#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
319 PRTDCB_TLPM_REG_DM(0),
320 PRTDCB_TLPM_REG_DM(1),
321 PRTDCB_TLPM_REG_DM(2),
322 PRTDCB_TLPM_REG_DM(3),
323};
324
325struct ice_priv_flag {
326 char name[ETH_GSTRING_LEN];
327 u32 bitno; /* bit position in pf->flags */
328};
329
330#define ICE_PRIV_FLAG(_name, _bitno) { \
331 .name = _name, \
332 .bitno = _bitno, \
333}
334
335static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
336 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
337 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
338 ICE_PRIV_FLAG("vf-true-promisc-support",
339 ICE_FLAG_VF_TRUE_PROMISC_ENA),
340 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
341 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
342 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
343};
344
345#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
346
347static const u32 ice_adv_lnk_speed_100[] __initconst = {
348 ETHTOOL_LINK_MODE_100baseT_Full_BIT,
349};
350
351static const u32 ice_adv_lnk_speed_1000[] __initconst = {
352 ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
353 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
354 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
355};
356
357static const u32 ice_adv_lnk_speed_2500[] __initconst = {
358 ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
359 ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
360};
361
362static const u32 ice_adv_lnk_speed_5000[] __initconst = {
363 ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
364};
365
366static const u32 ice_adv_lnk_speed_10000[] __initconst = {
367 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
368 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
369 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
370 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
371};
372
373static const u32 ice_adv_lnk_speed_25000[] __initconst = {
374 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
375 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
376 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
377};
378
379static const u32 ice_adv_lnk_speed_40000[] __initconst = {
380 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
381 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
382 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
383 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
384};
385
386static const u32 ice_adv_lnk_speed_50000[] __initconst = {
387 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
388 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
389 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
390};
391
392static const u32 ice_adv_lnk_speed_100000[] __initconst = {
393 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
394 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
395 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
396 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
397 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
398 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
399 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
400};
401
402static const u32 ice_adv_lnk_speed_200000[] __initconst = {
403 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
404 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
405 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
406 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
407 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
408};
409
410static struct ethtool_forced_speed_map ice_adv_lnk_speed_maps[] __ro_after_init = {
411 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100),
412 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 1000),
413 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 2500),
414 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 5000),
415 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 10000),
416 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 25000),
417 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 40000),
418 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 50000),
419 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 100000),
420 ETHTOOL_FORCED_SPEED_MAP(ice_adv_lnk_speed, 200000),
421};
422
423void __init ice_adv_lnk_speed_maps_init(void)
424{
425 ethtool_forced_speed_maps_init(ice_adv_lnk_speed_maps,
426 ARRAY_SIZE(ice_adv_lnk_speed_maps));
427}
428
429static void
430__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
431 struct ice_vsi *vsi)
432{
433 struct ice_pf *pf = vsi->back;
434 struct ice_hw *hw = &pf->hw;
435 struct ice_orom_info *orom;
436 struct ice_nvm_info *nvm;
437
438 nvm = &hw->flash.nvm;
439 orom = &hw->flash.orom;
440
441 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
442
443 /* Display NVM version (from which the firmware version can be
444 * determined) which contains more pertinent information.
445 */
446 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
447 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
448 nvm->eetrack, orom->major, orom->build, orom->patch);
449
450 strscpy(drvinfo->bus_info, pci_name(pf->pdev),
451 sizeof(drvinfo->bus_info));
452}
453
454static void
455ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
456{
457 struct ice_netdev_priv *np = netdev_priv(netdev);
458
459 __ice_get_drvinfo(netdev, drvinfo, np->vsi);
460 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
461}
462
463static int ice_get_regs_len(struct net_device __always_unused *netdev)
464{
465 return sizeof(ice_regs_dump_list);
466}
467
468static void
469ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
470{
471 struct ice_netdev_priv *np = netdev_priv(netdev);
472 struct ice_pf *pf = np->vsi->back;
473 struct ice_hw *hw = &pf->hw;
474 u32 *regs_buf = (u32 *)p;
475 unsigned int i;
476
477 regs->version = 1;
478
479 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
480 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
481}
482
483static u32 ice_get_msglevel(struct net_device *netdev)
484{
485 struct ice_netdev_priv *np = netdev_priv(netdev);
486 struct ice_pf *pf = np->vsi->back;
487
488#ifndef CONFIG_DYNAMIC_DEBUG
489 if (pf->hw.debug_mask)
490 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
491 pf->hw.debug_mask);
492#endif /* !CONFIG_DYNAMIC_DEBUG */
493
494 return pf->msg_enable;
495}
496
497static void ice_set_msglevel(struct net_device *netdev, u32 data)
498{
499 struct ice_netdev_priv *np = netdev_priv(netdev);
500 struct ice_pf *pf = np->vsi->back;
501
502#ifndef CONFIG_DYNAMIC_DEBUG
503 if (ICE_DBG_USER & data)
504 pf->hw.debug_mask = data;
505 else
506 pf->msg_enable = data;
507#else
508 pf->msg_enable = data;
509#endif /* !CONFIG_DYNAMIC_DEBUG */
510}
511
512static int ice_get_eeprom_len(struct net_device *netdev)
513{
514 struct ice_netdev_priv *np = netdev_priv(netdev);
515 struct ice_pf *pf = np->vsi->back;
516
517 return (int)pf->hw.flash.flash_size;
518}
519
520static int
521ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
522 u8 *bytes)
523{
524 struct ice_netdev_priv *np = netdev_priv(netdev);
525 struct ice_vsi *vsi = np->vsi;
526 struct ice_pf *pf = vsi->back;
527 struct ice_hw *hw = &pf->hw;
528 struct device *dev;
529 int ret;
530 u8 *buf;
531
532 dev = ice_pf_to_dev(pf);
533
534 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
535 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
536 eeprom->cmd, eeprom->offset, eeprom->len);
537
538 buf = kzalloc(eeprom->len, GFP_KERNEL);
539 if (!buf)
540 return -ENOMEM;
541
542 ret = ice_acquire_nvm(hw, ICE_RES_READ);
543 if (ret) {
544 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
545 ret, ice_aq_str(hw->adminq.sq_last_status));
546 goto out;
547 }
548
549 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
550 false);
551 if (ret) {
552 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
553 ret, ice_aq_str(hw->adminq.sq_last_status));
554 goto release;
555 }
556
557 memcpy(bytes, buf, eeprom->len);
558release:
559 ice_release_nvm(hw);
560out:
561 kfree(buf);
562 return ret;
563}
564
565/**
566 * ice_active_vfs - check if there are any active VFs
567 * @pf: board private structure
568 *
569 * Returns true if an active VF is found, otherwise returns false
570 */
571static bool ice_active_vfs(struct ice_pf *pf)
572{
573 bool active = false;
574 struct ice_vf *vf;
575 unsigned int bkt;
576
577 rcu_read_lock();
578 ice_for_each_vf_rcu(pf, bkt, vf) {
579 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
580 active = true;
581 break;
582 }
583 }
584 rcu_read_unlock();
585
586 return active;
587}
588
589/**
590 * ice_link_test - perform a link test on a given net_device
591 * @netdev: network interface device structure
592 *
593 * This function performs one of the self-tests required by ethtool.
594 * Returns 0 on success, non-zero on failure.
595 */
596static u64 ice_link_test(struct net_device *netdev)
597{
598 struct ice_netdev_priv *np = netdev_priv(netdev);
599 bool link_up = false;
600 int status;
601
602 netdev_info(netdev, "link test\n");
603 status = ice_get_link_status(np->vsi->port_info, &link_up);
604 if (status) {
605 netdev_err(netdev, "link query error, status = %d\n",
606 status);
607 return 1;
608 }
609
610 if (!link_up)
611 return 2;
612
613 return 0;
614}
615
616/**
617 * ice_eeprom_test - perform an EEPROM test on a given net_device
618 * @netdev: network interface device structure
619 *
620 * This function performs one of the self-tests required by ethtool.
621 * Returns 0 on success, non-zero on failure.
622 */
623static u64 ice_eeprom_test(struct net_device *netdev)
624{
625 struct ice_netdev_priv *np = netdev_priv(netdev);
626 struct ice_pf *pf = np->vsi->back;
627
628 netdev_info(netdev, "EEPROM test\n");
629 return !!(ice_nvm_validate_checksum(&pf->hw));
630}
631
632/**
633 * ice_reg_pattern_test
634 * @hw: pointer to the HW struct
635 * @reg: reg to be tested
636 * @mask: bits to be touched
637 */
638static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
639{
640 struct ice_pf *pf = (struct ice_pf *)hw->back;
641 struct device *dev = ice_pf_to_dev(pf);
642 static const u32 patterns[] = {
643 0x5A5A5A5A, 0xA5A5A5A5,
644 0x00000000, 0xFFFFFFFF
645 };
646 u32 val, orig_val;
647 unsigned int i;
648
649 orig_val = rd32(hw, reg);
650 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
651 u32 pattern = patterns[i] & mask;
652
653 wr32(hw, reg, pattern);
654 val = rd32(hw, reg);
655 if (val == pattern)
656 continue;
657 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
658 , __func__, reg, pattern, val);
659 return 1;
660 }
661
662 wr32(hw, reg, orig_val);
663 val = rd32(hw, reg);
664 if (val != orig_val) {
665 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
666 , __func__, reg, orig_val, val);
667 return 1;
668 }
669
670 return 0;
671}
672
673/**
674 * ice_reg_test - perform a register test on a given net_device
675 * @netdev: network interface device structure
676 *
677 * This function performs one of the self-tests required by ethtool.
678 * Returns 0 on success, non-zero on failure.
679 */
680static u64 ice_reg_test(struct net_device *netdev)
681{
682 struct ice_netdev_priv *np = netdev_priv(netdev);
683 struct ice_hw *hw = np->vsi->port_info->hw;
684 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
685 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
686 struct ice_diag_reg_test_info {
687 u32 address;
688 u32 mask;
689 u32 elem_num;
690 u32 elem_size;
691 } ice_reg_list[] = {
692 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
693 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
694 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
695 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
696 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
697 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
698 {GLINT_CTL, 0xffff0001, 1, 0}
699 };
700 unsigned int i;
701
702 netdev_dbg(netdev, "Register test\n");
703 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
704 u32 j;
705
706 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
707 u32 mask = ice_reg_list[i].mask;
708 u32 reg = ice_reg_list[i].address +
709 (j * ice_reg_list[i].elem_size);
710
711 /* bail on failure (non-zero return) */
712 if (ice_reg_pattern_test(hw, reg, mask))
713 return 1;
714 }
715 }
716
717 return 0;
718}
719
720/**
721 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
722 * @vsi: pointer to the VSI structure
723 *
724 * Function configures rings of a VSI for loopback test without
725 * enabling interrupts or informing the kernel about new queues.
726 *
727 * Returns 0 on success, negative on failure.
728 */
729static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
730{
731 int status;
732
733 status = ice_vsi_setup_tx_rings(vsi);
734 if (status)
735 goto err_setup_tx_ring;
736
737 status = ice_vsi_setup_rx_rings(vsi);
738 if (status)
739 goto err_setup_rx_ring;
740
741 status = ice_vsi_cfg_lan(vsi);
742 if (status)
743 goto err_setup_rx_ring;
744
745 status = ice_vsi_start_all_rx_rings(vsi);
746 if (status)
747 goto err_start_rx_ring;
748
749 return 0;
750
751err_start_rx_ring:
752 ice_vsi_free_rx_rings(vsi);
753err_setup_rx_ring:
754 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
755err_setup_tx_ring:
756 ice_vsi_free_tx_rings(vsi);
757
758 return status;
759}
760
761/**
762 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
763 * @vsi: pointer to the VSI structure
764 *
765 * Function stops and frees VSI rings after a loopback test.
766 * Returns 0 on success, negative on failure.
767 */
768static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
769{
770 int status;
771
772 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
773 if (status)
774 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
775 vsi->vsi_num, status);
776
777 status = ice_vsi_stop_all_rx_rings(vsi);
778 if (status)
779 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
780 vsi->vsi_num, status);
781
782 ice_vsi_free_tx_rings(vsi);
783 ice_vsi_free_rx_rings(vsi);
784
785 return status;
786}
787
788/**
789 * ice_lbtest_create_frame - create test packet
790 * @pf: pointer to the PF structure
791 * @ret_data: allocated frame buffer
792 * @size: size of the packet data
793 *
794 * Function allocates a frame with a test pattern on specific offsets.
795 * Returns 0 on success, non-zero on failure.
796 */
797static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
798{
799 u8 *data;
800
801 if (!pf)
802 return -EINVAL;
803
804 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
805 if (!data)
806 return -ENOMEM;
807
808 /* Since the ethernet test frame should always be at least
809 * 64 bytes long, fill some octets in the payload with test data.
810 */
811 memset(data, 0xFF, size);
812 data[32] = 0xDE;
813 data[42] = 0xAD;
814 data[44] = 0xBE;
815 data[46] = 0xEF;
816
817 *ret_data = data;
818
819 return 0;
820}
821
822/**
823 * ice_lbtest_check_frame - verify received loopback frame
824 * @frame: pointer to the raw packet data
825 *
826 * Function verifies received test frame with a pattern.
827 * Returns true if frame matches the pattern, false otherwise.
828 */
829static bool ice_lbtest_check_frame(u8 *frame)
830{
831 /* Validate bytes of a frame under offsets chosen earlier */
832 if (frame[32] == 0xDE &&
833 frame[42] == 0xAD &&
834 frame[44] == 0xBE &&
835 frame[46] == 0xEF &&
836 frame[48] == 0xFF)
837 return true;
838
839 return false;
840}
841
842/**
843 * ice_diag_send - send test frames to the test ring
844 * @tx_ring: pointer to the transmit ring
845 * @data: pointer to the raw packet data
846 * @size: size of the packet to send
847 *
848 * Function sends loopback packets on a test Tx ring.
849 */
850static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
851{
852 struct ice_tx_desc *tx_desc;
853 struct ice_tx_buf *tx_buf;
854 dma_addr_t dma;
855 u64 td_cmd;
856
857 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
858 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
859
860 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
861 if (dma_mapping_error(tx_ring->dev, dma))
862 return -EINVAL;
863
864 tx_desc->buf_addr = cpu_to_le64(dma);
865
866 /* These flags are required for a descriptor to be pushed out */
867 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
868 tx_desc->cmd_type_offset_bsz =
869 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
870 (td_cmd << ICE_TXD_QW1_CMD_S) |
871 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
872 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
873 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
874
875 tx_buf->next_to_watch = tx_desc;
876
877 /* Force memory write to complete before letting h/w know
878 * there are new descriptors to fetch.
879 */
880 wmb();
881
882 tx_ring->next_to_use++;
883 if (tx_ring->next_to_use >= tx_ring->count)
884 tx_ring->next_to_use = 0;
885
886 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
887
888 /* Wait until the packets get transmitted to the receive queue. */
889 usleep_range(1000, 2000);
890 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
891
892 return 0;
893}
894
895#define ICE_LB_FRAME_SIZE 64
896/**
897 * ice_lbtest_receive_frames - receive and verify test frames
898 * @rx_ring: pointer to the receive ring
899 *
900 * Function receives loopback packets and verify their correctness.
901 * Returns number of received valid frames.
902 */
903static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
904{
905 struct ice_rx_buf *rx_buf;
906 int valid_frames, i;
907 u8 *received_buf;
908
909 valid_frames = 0;
910
911 for (i = 0; i < rx_ring->count; i++) {
912 union ice_32b_rx_flex_desc *rx_desc;
913
914 rx_desc = ICE_RX_DESC(rx_ring, i);
915
916 if (!(rx_desc->wb.status_error0 &
917 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
918 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
919 continue;
920
921 rx_buf = &rx_ring->rx_buf[i];
922 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
923
924 if (ice_lbtest_check_frame(received_buf))
925 valid_frames++;
926 }
927
928 return valid_frames;
929}
930
931/**
932 * ice_loopback_test - perform a loopback test on a given net_device
933 * @netdev: network interface device structure
934 *
935 * This function performs one of the self-tests required by ethtool.
936 * Returns 0 on success, non-zero on failure.
937 */
938static u64 ice_loopback_test(struct net_device *netdev)
939{
940 struct ice_netdev_priv *np = netdev_priv(netdev);
941 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
942 struct ice_pf *pf = orig_vsi->back;
943 u8 broadcast[ETH_ALEN], ret = 0;
944 int num_frames, valid_frames;
945 struct ice_tx_ring *tx_ring;
946 struct ice_rx_ring *rx_ring;
947 struct device *dev;
948 u8 *tx_frame;
949 int i;
950
951 dev = ice_pf_to_dev(pf);
952 netdev_info(netdev, "loopback test\n");
953
954 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
955 if (!test_vsi) {
956 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
957 return 1;
958 }
959
960 test_vsi->netdev = netdev;
961 tx_ring = test_vsi->tx_rings[0];
962 rx_ring = test_vsi->rx_rings[0];
963
964 if (ice_lbtest_prepare_rings(test_vsi)) {
965 ret = 2;
966 goto lbtest_vsi_close;
967 }
968
969 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
970 ret = 3;
971 goto lbtest_rings_dis;
972 }
973
974 /* Enable MAC loopback in firmware */
975 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
976 ret = 4;
977 goto lbtest_mac_dis;
978 }
979
980 /* Test VSI needs to receive broadcast packets */
981 eth_broadcast_addr(broadcast);
982 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
983 ret = 5;
984 goto lbtest_mac_dis;
985 }
986
987 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
988 ret = 7;
989 goto remove_mac_filters;
990 }
991
992 num_frames = min_t(int, tx_ring->count, 32);
993 for (i = 0; i < num_frames; i++) {
994 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
995 ret = 8;
996 goto lbtest_free_frame;
997 }
998 }
999
1000 valid_frames = ice_lbtest_receive_frames(rx_ring);
1001 if (!valid_frames)
1002 ret = 9;
1003 else if (valid_frames != num_frames)
1004 ret = 10;
1005
1006lbtest_free_frame:
1007 devm_kfree(dev, tx_frame);
1008remove_mac_filters:
1009 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
1010 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
1011lbtest_mac_dis:
1012 /* Disable MAC loopback after the test is completed. */
1013 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
1014 netdev_err(netdev, "Could not disable MAC loopback\n");
1015lbtest_rings_dis:
1016 if (ice_lbtest_disable_rings(test_vsi))
1017 netdev_err(netdev, "Could not disable test rings\n");
1018lbtest_vsi_close:
1019 test_vsi->netdev = NULL;
1020 if (ice_vsi_release(test_vsi))
1021 netdev_err(netdev, "Failed to remove the test VSI\n");
1022
1023 return ret;
1024}
1025
1026/**
1027 * ice_intr_test - perform an interrupt test on a given net_device
1028 * @netdev: network interface device structure
1029 *
1030 * This function performs one of the self-tests required by ethtool.
1031 * Returns 0 on success, non-zero on failure.
1032 */
1033static u64 ice_intr_test(struct net_device *netdev)
1034{
1035 struct ice_netdev_priv *np = netdev_priv(netdev);
1036 struct ice_pf *pf = np->vsi->back;
1037 u16 swic_old = pf->sw_int_count;
1038
1039 netdev_info(netdev, "interrupt test\n");
1040
1041 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_irq.index),
1042 GLINT_DYN_CTL_SW_ITR_INDX_M |
1043 GLINT_DYN_CTL_INTENA_MSK_M |
1044 GLINT_DYN_CTL_SWINT_TRIG_M);
1045
1046 usleep_range(1000, 2000);
1047 return (swic_old == pf->sw_int_count);
1048}
1049
1050/**
1051 * ice_self_test - handler function for performing a self-test by ethtool
1052 * @netdev: network interface device structure
1053 * @eth_test: ethtool_test structure
1054 * @data: required by ethtool.self_test
1055 *
1056 * This function is called after invoking 'ethtool -t devname' command where
1057 * devname is the name of the network device on which ethtool should operate.
1058 * It performs a set of self-tests to check if a device works properly.
1059 */
1060static void
1061ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
1062 u64 *data)
1063{
1064 struct ice_netdev_priv *np = netdev_priv(netdev);
1065 bool if_running = netif_running(netdev);
1066 struct ice_pf *pf = np->vsi->back;
1067 struct device *dev;
1068
1069 dev = ice_pf_to_dev(pf);
1070
1071 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1072 netdev_info(netdev, "offline testing starting\n");
1073
1074 set_bit(ICE_TESTING, pf->state);
1075
1076 if (ice_active_vfs(pf)) {
1077 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1078 data[ICE_ETH_TEST_REG] = 1;
1079 data[ICE_ETH_TEST_EEPROM] = 1;
1080 data[ICE_ETH_TEST_INTR] = 1;
1081 data[ICE_ETH_TEST_LOOP] = 1;
1082 data[ICE_ETH_TEST_LINK] = 1;
1083 eth_test->flags |= ETH_TEST_FL_FAILED;
1084 clear_bit(ICE_TESTING, pf->state);
1085 goto skip_ol_tests;
1086 }
1087 /* If the device is online then take it offline */
1088 if (if_running)
1089 /* indicate we're in test mode */
1090 ice_stop(netdev);
1091
1092 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1093 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1094 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1095 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1096 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1097
1098 if (data[ICE_ETH_TEST_LINK] ||
1099 data[ICE_ETH_TEST_EEPROM] ||
1100 data[ICE_ETH_TEST_LOOP] ||
1101 data[ICE_ETH_TEST_INTR] ||
1102 data[ICE_ETH_TEST_REG])
1103 eth_test->flags |= ETH_TEST_FL_FAILED;
1104
1105 clear_bit(ICE_TESTING, pf->state);
1106
1107 if (if_running) {
1108 int status = ice_open(netdev);
1109
1110 if (status) {
1111 dev_err(dev, "Could not open device %s, err %d\n",
1112 pf->int_name, status);
1113 }
1114 }
1115 } else {
1116 /* Online tests */
1117 netdev_info(netdev, "online testing starting\n");
1118
1119 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1120 if (data[ICE_ETH_TEST_LINK])
1121 eth_test->flags |= ETH_TEST_FL_FAILED;
1122
1123 /* Offline only tests, not run in online; pass by default */
1124 data[ICE_ETH_TEST_REG] = 0;
1125 data[ICE_ETH_TEST_EEPROM] = 0;
1126 data[ICE_ETH_TEST_INTR] = 0;
1127 data[ICE_ETH_TEST_LOOP] = 0;
1128 }
1129
1130skip_ol_tests:
1131 netdev_info(netdev, "testing finished\n");
1132}
1133
1134static void
1135__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1136 struct ice_vsi *vsi)
1137{
1138 unsigned int i;
1139 u8 *p = data;
1140
1141 switch (stringset) {
1142 case ETH_SS_STATS:
1143 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1144 ethtool_puts(&p, ice_gstrings_vsi_stats[i].stat_string);
1145
1146 if (ice_is_port_repr_netdev(netdev))
1147 return;
1148
1149 ice_for_each_alloc_txq(vsi, i) {
1150 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1151 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1152 }
1153
1154 ice_for_each_alloc_rxq(vsi, i) {
1155 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1156 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1157 }
1158
1159 if (vsi->type != ICE_VSI_PF)
1160 return;
1161
1162 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1163 ethtool_puts(&p, ice_gstrings_pf_stats[i].stat_string);
1164
1165 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1166 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1167 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1168 }
1169 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1170 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1171 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1172 }
1173 break;
1174 case ETH_SS_TEST:
1175 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1176 break;
1177 case ETH_SS_PRIV_FLAGS:
1178 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1179 ethtool_puts(&p, ice_gstrings_priv_flags[i].name);
1180 break;
1181 default:
1182 break;
1183 }
1184}
1185
1186static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1187{
1188 struct ice_netdev_priv *np = netdev_priv(netdev);
1189
1190 __ice_get_strings(netdev, stringset, data, np->vsi);
1191}
1192
1193static int
1194ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1195{
1196 struct ice_netdev_priv *np = netdev_priv(netdev);
1197 bool led_active;
1198
1199 switch (state) {
1200 case ETHTOOL_ID_ACTIVE:
1201 led_active = true;
1202 break;
1203 case ETHTOOL_ID_INACTIVE:
1204 led_active = false;
1205 break;
1206 default:
1207 return -EINVAL;
1208 }
1209
1210 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1211 return -EIO;
1212
1213 return 0;
1214}
1215
1216/**
1217 * ice_set_fec_cfg - Set link FEC options
1218 * @netdev: network interface device structure
1219 * @req_fec: FEC mode to configure
1220 */
1221static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1222{
1223 struct ice_netdev_priv *np = netdev_priv(netdev);
1224 struct ice_aqc_set_phy_cfg_data config = { 0 };
1225 struct ice_vsi *vsi = np->vsi;
1226 struct ice_port_info *pi;
1227
1228 pi = vsi->port_info;
1229 if (!pi)
1230 return -EOPNOTSUPP;
1231
1232 /* Changing the FEC parameters is not supported if not the PF VSI */
1233 if (vsi->type != ICE_VSI_PF) {
1234 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1235 return -EOPNOTSUPP;
1236 }
1237
1238 /* Proceed only if requesting different FEC mode */
1239 if (pi->phy.curr_user_fec_req == req_fec)
1240 return 0;
1241
1242 /* Copy the current user PHY configuration. The current user PHY
1243 * configuration is initialized during probe from PHY capabilities
1244 * software mode, and updated on set PHY configuration.
1245 */
1246 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1247
1248 ice_cfg_phy_fec(pi, &config, req_fec);
1249 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1250
1251 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1252 return -EAGAIN;
1253
1254 /* Save requested FEC config */
1255 pi->phy.curr_user_fec_req = req_fec;
1256
1257 return 0;
1258}
1259
1260/**
1261 * ice_set_fecparam - Set FEC link options
1262 * @netdev: network interface device structure
1263 * @fecparam: Ethtool structure to retrieve FEC parameters
1264 */
1265static int
1266ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1267{
1268 struct ice_netdev_priv *np = netdev_priv(netdev);
1269 struct ice_vsi *vsi = np->vsi;
1270 enum ice_fec_mode fec;
1271
1272 switch (fecparam->fec) {
1273 case ETHTOOL_FEC_AUTO:
1274 fec = ICE_FEC_AUTO;
1275 break;
1276 case ETHTOOL_FEC_RS:
1277 fec = ICE_FEC_RS;
1278 break;
1279 case ETHTOOL_FEC_BASER:
1280 fec = ICE_FEC_BASER;
1281 break;
1282 case ETHTOOL_FEC_OFF:
1283 case ETHTOOL_FEC_NONE:
1284 fec = ICE_FEC_NONE;
1285 break;
1286 default:
1287 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1288 fecparam->fec);
1289 return -EINVAL;
1290 }
1291
1292 return ice_set_fec_cfg(netdev, fec);
1293}
1294
1295/**
1296 * ice_get_fecparam - Get link FEC options
1297 * @netdev: network interface device structure
1298 * @fecparam: Ethtool structure to retrieve FEC parameters
1299 */
1300static int
1301ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1302{
1303 struct ice_netdev_priv *np = netdev_priv(netdev);
1304 struct ice_aqc_get_phy_caps_data *caps;
1305 struct ice_link_status *link_info;
1306 struct ice_vsi *vsi = np->vsi;
1307 struct ice_port_info *pi;
1308 int err;
1309
1310 pi = vsi->port_info;
1311
1312 if (!pi)
1313 return -EOPNOTSUPP;
1314 link_info = &pi->phy.link_info;
1315
1316 /* Set FEC mode based on negotiated link info */
1317 switch (link_info->fec_info) {
1318 case ICE_AQ_LINK_25G_KR_FEC_EN:
1319 fecparam->active_fec = ETHTOOL_FEC_BASER;
1320 break;
1321 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1322 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1323 fecparam->active_fec = ETHTOOL_FEC_RS;
1324 break;
1325 default:
1326 fecparam->active_fec = ETHTOOL_FEC_OFF;
1327 break;
1328 }
1329
1330 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1331 if (!caps)
1332 return -ENOMEM;
1333
1334 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1335 caps, NULL);
1336 if (err)
1337 goto done;
1338
1339 /* Set supported/configured FEC modes based on PHY capability */
1340 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1341 fecparam->fec |= ETHTOOL_FEC_AUTO;
1342 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1343 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1344 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1345 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1346 fecparam->fec |= ETHTOOL_FEC_BASER;
1347 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1348 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1349 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1350 fecparam->fec |= ETHTOOL_FEC_RS;
1351 if (caps->link_fec_options == 0)
1352 fecparam->fec |= ETHTOOL_FEC_OFF;
1353
1354done:
1355 kfree(caps);
1356 return err;
1357}
1358
1359/**
1360 * ice_nway_reset - restart autonegotiation
1361 * @netdev: network interface device structure
1362 */
1363static int ice_nway_reset(struct net_device *netdev)
1364{
1365 struct ice_netdev_priv *np = netdev_priv(netdev);
1366 struct ice_vsi *vsi = np->vsi;
1367 int err;
1368
1369 /* If VSI state is up, then restart autoneg with link up */
1370 if (!test_bit(ICE_DOWN, vsi->back->state))
1371 err = ice_set_link(vsi, true);
1372 else
1373 err = ice_set_link(vsi, false);
1374
1375 return err;
1376}
1377
1378/**
1379 * ice_get_priv_flags - report device private flags
1380 * @netdev: network interface device structure
1381 *
1382 * The get string set count and the string set should be matched for each
1383 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1384 * array.
1385 *
1386 * Returns a u32 bitmap of flags.
1387 */
1388static u32 ice_get_priv_flags(struct net_device *netdev)
1389{
1390 struct ice_netdev_priv *np = netdev_priv(netdev);
1391 struct ice_vsi *vsi = np->vsi;
1392 struct ice_pf *pf = vsi->back;
1393 u32 i, ret_flags = 0;
1394
1395 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1396 const struct ice_priv_flag *priv_flag;
1397
1398 priv_flag = &ice_gstrings_priv_flags[i];
1399
1400 if (test_bit(priv_flag->bitno, pf->flags))
1401 ret_flags |= BIT(i);
1402 }
1403
1404 return ret_flags;
1405}
1406
1407/**
1408 * ice_set_priv_flags - set private flags
1409 * @netdev: network interface device structure
1410 * @flags: bit flags to be set
1411 */
1412static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1413{
1414 struct ice_netdev_priv *np = netdev_priv(netdev);
1415 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1416 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1417 struct ice_vsi *vsi = np->vsi;
1418 struct ice_pf *pf = vsi->back;
1419 struct device *dev;
1420 int ret = 0;
1421 u32 i;
1422
1423 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1424 return -EINVAL;
1425
1426 dev = ice_pf_to_dev(pf);
1427 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1428
1429 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1430 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1431 const struct ice_priv_flag *priv_flag;
1432
1433 priv_flag = &ice_gstrings_priv_flags[i];
1434
1435 if (flags & BIT(i))
1436 set_bit(priv_flag->bitno, pf->flags);
1437 else
1438 clear_bit(priv_flag->bitno, pf->flags);
1439 }
1440
1441 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1442
1443 /* Do not allow change to link-down-on-close when Total Port Shutdown
1444 * is enabled.
1445 */
1446 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1447 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1448 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1449 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1450 ret = -EINVAL;
1451 goto ethtool_exit;
1452 }
1453
1454 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1455 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1456 int status;
1457
1458 /* Disable FW LLDP engine */
1459 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1460
1461 /* If unregistering for LLDP events fails, this is
1462 * not an error state, as there shouldn't be any
1463 * events to respond to.
1464 */
1465 if (status)
1466 dev_info(dev, "Failed to unreg for LLDP events\n");
1467
1468 /* The AQ call to stop the FW LLDP agent will generate
1469 * an error if the agent is already stopped.
1470 */
1471 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1472 if (status)
1473 dev_warn(dev, "Fail to stop LLDP agent\n");
1474 /* Use case for having the FW LLDP agent stopped
1475 * will likely not need DCB, so failure to init is
1476 * not a concern of ethtool
1477 */
1478 status = ice_init_pf_dcb(pf, true);
1479 if (status)
1480 dev_warn(dev, "Fail to init DCB\n");
1481
1482 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1483 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1484 } else {
1485 bool dcbx_agent_status;
1486 int status;
1487
1488 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1489 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1490 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1491 ret = -EOPNOTSUPP;
1492 goto ethtool_exit;
1493 }
1494
1495 /* Remove rule to direct LLDP packets to default VSI.
1496 * The FW LLDP engine will now be consuming them.
1497 */
1498 ice_cfg_sw_lldp(vsi, false, false);
1499
1500 /* AQ command to start FW LLDP agent will return an
1501 * error if the agent is already started
1502 */
1503 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1504 if (status)
1505 dev_warn(dev, "Fail to start LLDP Agent\n");
1506
1507 /* AQ command to start FW DCBX agent will fail if
1508 * the agent is already started
1509 */
1510 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1511 &dcbx_agent_status,
1512 NULL);
1513 if (status)
1514 dev_dbg(dev, "Failed to start FW DCBX\n");
1515
1516 dev_info(dev, "FW DCBX agent is %s\n",
1517 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1518
1519 /* Failure to configure MIB change or init DCB is not
1520 * relevant to ethtool. Print notification that
1521 * registration/init failed but do not return error
1522 * state to ethtool
1523 */
1524 status = ice_init_pf_dcb(pf, true);
1525 if (status)
1526 dev_dbg(dev, "Fail to init DCB\n");
1527
1528 /* Register for MIB change events */
1529 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1530 if (status)
1531 dev_dbg(dev, "Fail to enable MIB change events\n");
1532
1533 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1534 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1535
1536 ice_nway_reset(netdev);
1537 }
1538 }
1539 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1540 /* down and up VSI so that changes of Rx cfg are reflected. */
1541 ice_down_up(vsi);
1542 }
1543 /* don't allow modification of this flag when a single VF is in
1544 * promiscuous mode because it's not supported
1545 */
1546 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1547 ice_is_any_vf_in_unicast_promisc(pf)) {
1548 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1549 /* toggle bit back to previous state */
1550 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1551 ret = -EAGAIN;
1552 }
1553
1554 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1555 ice_has_vfs(pf)) {
1556 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1557 /* toggle bit back to previous state */
1558 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1559 ret = -EOPNOTSUPP;
1560 }
1561ethtool_exit:
1562 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1563 return ret;
1564}
1565
1566static int ice_get_sset_count(struct net_device *netdev, int sset)
1567{
1568 switch (sset) {
1569 case ETH_SS_STATS:
1570 /* The number (and order) of strings reported *must* remain
1571 * constant for a given netdevice. This function must not
1572 * report a different number based on run time parameters
1573 * (such as the number of queues in use, or the setting of
1574 * a private ethtool flag). This is due to the nature of the
1575 * ethtool stats API.
1576 *
1577 * Userspace programs such as ethtool must make 3 separate
1578 * ioctl requests, one for size, one for the strings, and
1579 * finally one for the stats. Since these cross into
1580 * userspace, changes to the number or size could result in
1581 * undefined memory access or incorrect string<->value
1582 * correlations for statistics.
1583 *
1584 * Even if it appears to be safe, changes to the size or
1585 * order of strings will suffer from race conditions and are
1586 * not safe.
1587 */
1588 return ICE_ALL_STATS_LEN(netdev);
1589 case ETH_SS_TEST:
1590 return ICE_TEST_LEN;
1591 case ETH_SS_PRIV_FLAGS:
1592 return ICE_PRIV_FLAG_ARRAY_SIZE;
1593 default:
1594 return -EOPNOTSUPP;
1595 }
1596}
1597
1598static void
1599__ice_get_ethtool_stats(struct net_device *netdev,
1600 struct ethtool_stats __always_unused *stats, u64 *data,
1601 struct ice_vsi *vsi)
1602{
1603 struct ice_pf *pf = vsi->back;
1604 struct ice_tx_ring *tx_ring;
1605 struct ice_rx_ring *rx_ring;
1606 unsigned int j;
1607 int i = 0;
1608 char *p;
1609
1610 ice_update_pf_stats(pf);
1611 ice_update_vsi_stats(vsi);
1612
1613 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1614 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1615 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1616 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1617 }
1618
1619 if (ice_is_port_repr_netdev(netdev))
1620 return;
1621
1622 /* populate per queue stats */
1623 rcu_read_lock();
1624
1625 ice_for_each_alloc_txq(vsi, j) {
1626 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1627 if (tx_ring && tx_ring->ring_stats) {
1628 data[i++] = tx_ring->ring_stats->stats.pkts;
1629 data[i++] = tx_ring->ring_stats->stats.bytes;
1630 } else {
1631 data[i++] = 0;
1632 data[i++] = 0;
1633 }
1634 }
1635
1636 ice_for_each_alloc_rxq(vsi, j) {
1637 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1638 if (rx_ring && rx_ring->ring_stats) {
1639 data[i++] = rx_ring->ring_stats->stats.pkts;
1640 data[i++] = rx_ring->ring_stats->stats.bytes;
1641 } else {
1642 data[i++] = 0;
1643 data[i++] = 0;
1644 }
1645 }
1646
1647 rcu_read_unlock();
1648
1649 if (vsi->type != ICE_VSI_PF)
1650 return;
1651
1652 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1653 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1654 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1655 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1656 }
1657
1658 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1659 data[i++] = pf->stats.priority_xon_tx[j];
1660 data[i++] = pf->stats.priority_xoff_tx[j];
1661 }
1662
1663 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1664 data[i++] = pf->stats.priority_xon_rx[j];
1665 data[i++] = pf->stats.priority_xoff_rx[j];
1666 }
1667}
1668
1669static void
1670ice_get_ethtool_stats(struct net_device *netdev,
1671 struct ethtool_stats __always_unused *stats, u64 *data)
1672{
1673 struct ice_netdev_priv *np = netdev_priv(netdev);
1674
1675 __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1676}
1677
1678#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
1679 ICE_PHY_TYPE_LOW_100M_SGMII)
1680
1681#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1682 ICE_PHY_TYPE_LOW_1000BASE_T | \
1683 ICE_PHY_TYPE_LOW_1000BASE_SX | \
1684 ICE_PHY_TYPE_LOW_1000BASE_LX | \
1685 ICE_PHY_TYPE_LOW_1000BASE_KX | \
1686 ICE_PHY_TYPE_LOW_1G_SGMII | \
1687 ICE_PHY_TYPE_LOW_2500BASE_T | \
1688 ICE_PHY_TYPE_LOW_2500BASE_X | \
1689 ICE_PHY_TYPE_LOW_2500BASE_KX | \
1690 ICE_PHY_TYPE_LOW_5GBASE_T | \
1691 ICE_PHY_TYPE_LOW_5GBASE_KR | \
1692 ICE_PHY_TYPE_LOW_10GBASE_T | \
1693 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1694 ICE_PHY_TYPE_LOW_10GBASE_SR | \
1695 ICE_PHY_TYPE_LOW_10GBASE_LR | \
1696 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1697 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1698 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1699
1700#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1701 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1702 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1703 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1704 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1705 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1706 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1707 ICE_PHY_TYPE_LOW_100G_AUI4 | \
1708 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1709 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1710 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1711 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1712 ICE_PHY_TYPE_LOW_100GBASE_DR)
1713
1714#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1715 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1716 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1717 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1718 ICE_PHY_TYPE_HIGH_100G_AUI2)
1719
1720#define ICE_PHY_TYPE_HIGH_MASK_200G (ICE_PHY_TYPE_HIGH_200G_CR4_PAM4 | \
1721 ICE_PHY_TYPE_HIGH_200G_SR4 | \
1722 ICE_PHY_TYPE_HIGH_200G_FR4 | \
1723 ICE_PHY_TYPE_HIGH_200G_LR4 | \
1724 ICE_PHY_TYPE_HIGH_200G_DR4 | \
1725 ICE_PHY_TYPE_HIGH_200G_KR4_PAM4 | \
1726 ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC | \
1727 ICE_PHY_TYPE_HIGH_200G_AUI4)
1728
1729/**
1730 * ice_mask_min_supported_speeds
1731 * @hw: pointer to the HW structure
1732 * @phy_types_high: PHY type high
1733 * @phy_types_low: PHY type low to apply minimum supported speeds mask
1734 *
1735 * Apply minimum supported speeds mask to PHY type low. These are the speeds
1736 * for ethtool supported link mode.
1737 */
1738static void
1739ice_mask_min_supported_speeds(struct ice_hw *hw,
1740 u64 phy_types_high, u64 *phy_types_low)
1741{
1742 /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1743 if ((*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G) ||
1744 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) ||
1745 (phy_types_high & ICE_PHY_TYPE_HIGH_MASK_200G))
1746 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1747 else if (!ice_is_100m_speed_supported(hw))
1748 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1749}
1750
1751/**
1752 * ice_linkmode_set_bit - set link mode bit
1753 * @phy_to_ethtool: PHY type to ethtool link mode struct to set
1754 * @ks: ethtool link ksettings struct to fill out
1755 * @req_speeds: speed requested by user
1756 * @advert_phy_type: advertised PHY type
1757 * @phy_type: PHY type
1758 */
1759static void
1760ice_linkmode_set_bit(const struct ice_phy_type_to_ethtool *phy_to_ethtool,
1761 struct ethtool_link_ksettings *ks, u32 req_speeds,
1762 u64 advert_phy_type, u32 phy_type)
1763{
1764 linkmode_set_bit(phy_to_ethtool->link_mode, ks->link_modes.supported);
1765
1766 if (req_speeds & phy_to_ethtool->aq_link_speed ||
1767 (!req_speeds && advert_phy_type & BIT(phy_type)))
1768 linkmode_set_bit(phy_to_ethtool->link_mode,
1769 ks->link_modes.advertising);
1770}
1771
1772/**
1773 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1774 * @netdev: network interface device structure
1775 * @ks: ethtool link ksettings struct to fill out
1776 */
1777static void
1778ice_phy_type_to_ethtool(struct net_device *netdev,
1779 struct ethtool_link_ksettings *ks)
1780{
1781 struct ice_netdev_priv *np = netdev_priv(netdev);
1782 struct ice_vsi *vsi = np->vsi;
1783 struct ice_pf *pf = vsi->back;
1784 u64 advert_phy_type_lo = 0;
1785 u64 advert_phy_type_hi = 0;
1786 u64 phy_types_high = 0;
1787 u64 phy_types_low = 0;
1788 u32 req_speeds;
1789 u32 i;
1790
1791 req_speeds = vsi->port_info->phy.link_info.req_speeds;
1792
1793 /* Check if lenient mode is supported and enabled, or in strict mode.
1794 *
1795 * In lenient mode the Supported link modes are the PHY types without
1796 * media. The Advertising link mode is either 1. the user requested
1797 * speed, 2. the override PHY mask, or 3. the PHY types with media.
1798 *
1799 * In strict mode Supported link mode are the PHY type with media,
1800 * and Advertising link modes are the media PHY type or the speed
1801 * requested by user.
1802 */
1803 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1804 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1805 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1806
1807 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1808 &phy_types_low);
1809 /* determine advertised modes based on link override only
1810 * if it's supported and if the FW doesn't abstract the
1811 * driver from having to account for link overrides
1812 */
1813 if (ice_fw_supports_link_override(&pf->hw) &&
1814 !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1815 struct ice_link_default_override_tlv *ldo;
1816
1817 ldo = &pf->link_dflt_override;
1818 /* If override enabled and PHY mask set, then
1819 * Advertising link mode is the intersection of the PHY
1820 * types without media and the override PHY mask.
1821 */
1822 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1823 (ldo->phy_type_low || ldo->phy_type_high)) {
1824 advert_phy_type_lo =
1825 le64_to_cpu(pf->nvm_phy_type_lo) &
1826 ldo->phy_type_low;
1827 advert_phy_type_hi =
1828 le64_to_cpu(pf->nvm_phy_type_hi) &
1829 ldo->phy_type_high;
1830 }
1831 }
1832 } else {
1833 /* strict mode */
1834 phy_types_low = vsi->port_info->phy.phy_type_low;
1835 phy_types_high = vsi->port_info->phy.phy_type_high;
1836 }
1837
1838 /* If Advertising link mode PHY type is not using override PHY type,
1839 * then use PHY type with media.
1840 */
1841 if (!advert_phy_type_lo && !advert_phy_type_hi) {
1842 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1843 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1844 }
1845
1846 linkmode_zero(ks->link_modes.supported);
1847 linkmode_zero(ks->link_modes.advertising);
1848
1849 for (i = 0; i < ARRAY_SIZE(phy_type_low_lkup); i++) {
1850 if (phy_types_low & BIT_ULL(i))
1851 ice_linkmode_set_bit(&phy_type_low_lkup[i], ks,
1852 req_speeds, advert_phy_type_lo,
1853 i);
1854 }
1855
1856 for (i = 0; i < ARRAY_SIZE(phy_type_high_lkup); i++) {
1857 if (phy_types_high & BIT_ULL(i))
1858 ice_linkmode_set_bit(&phy_type_high_lkup[i], ks,
1859 req_speeds, advert_phy_type_hi,
1860 i);
1861 }
1862}
1863
1864#define TEST_SET_BITS_TIMEOUT 50
1865#define TEST_SET_BITS_SLEEP_MAX 2000
1866#define TEST_SET_BITS_SLEEP_MIN 1000
1867
1868/**
1869 * ice_get_settings_link_up - Get Link settings for when link is up
1870 * @ks: ethtool ksettings to fill in
1871 * @netdev: network interface device structure
1872 */
1873static void
1874ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1875 struct net_device *netdev)
1876{
1877 struct ice_netdev_priv *np = netdev_priv(netdev);
1878 struct ice_port_info *pi = np->vsi->port_info;
1879 struct ice_link_status *link_info;
1880 struct ice_vsi *vsi = np->vsi;
1881
1882 link_info = &vsi->port_info->phy.link_info;
1883
1884 /* Get supported and advertised settings from PHY ability with media */
1885 ice_phy_type_to_ethtool(netdev, ks);
1886
1887 switch (link_info->link_speed) {
1888 case ICE_AQ_LINK_SPEED_200GB:
1889 ks->base.speed = SPEED_200000;
1890 break;
1891 case ICE_AQ_LINK_SPEED_100GB:
1892 ks->base.speed = SPEED_100000;
1893 break;
1894 case ICE_AQ_LINK_SPEED_50GB:
1895 ks->base.speed = SPEED_50000;
1896 break;
1897 case ICE_AQ_LINK_SPEED_40GB:
1898 ks->base.speed = SPEED_40000;
1899 break;
1900 case ICE_AQ_LINK_SPEED_25GB:
1901 ks->base.speed = SPEED_25000;
1902 break;
1903 case ICE_AQ_LINK_SPEED_20GB:
1904 ks->base.speed = SPEED_20000;
1905 break;
1906 case ICE_AQ_LINK_SPEED_10GB:
1907 ks->base.speed = SPEED_10000;
1908 break;
1909 case ICE_AQ_LINK_SPEED_5GB:
1910 ks->base.speed = SPEED_5000;
1911 break;
1912 case ICE_AQ_LINK_SPEED_2500MB:
1913 ks->base.speed = SPEED_2500;
1914 break;
1915 case ICE_AQ_LINK_SPEED_1000MB:
1916 ks->base.speed = SPEED_1000;
1917 break;
1918 case ICE_AQ_LINK_SPEED_100MB:
1919 ks->base.speed = SPEED_100;
1920 break;
1921 default:
1922 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1923 link_info->link_speed);
1924 break;
1925 }
1926 ks->base.duplex = DUPLEX_FULL;
1927
1928 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1929 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1930 Autoneg);
1931
1932 /* Set flow control negotiated Rx/Tx pause */
1933 switch (pi->fc.current_mode) {
1934 case ICE_FC_FULL:
1935 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1936 break;
1937 case ICE_FC_TX_PAUSE:
1938 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1939 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1940 Asym_Pause);
1941 break;
1942 case ICE_FC_RX_PAUSE:
1943 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1944 Asym_Pause);
1945 break;
1946 case ICE_FC_PFC:
1947 default:
1948 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1949 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1950 Asym_Pause);
1951 break;
1952 }
1953}
1954
1955/**
1956 * ice_get_settings_link_down - Get the Link settings when link is down
1957 * @ks: ethtool ksettings to fill in
1958 * @netdev: network interface device structure
1959 *
1960 * Reports link settings that can be determined when link is down
1961 */
1962static void
1963ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1964 struct net_device *netdev)
1965{
1966 /* link is down and the driver needs to fall back on
1967 * supported PHY types to figure out what info to display
1968 */
1969 ice_phy_type_to_ethtool(netdev, ks);
1970
1971 /* With no link, speed and duplex are unknown */
1972 ks->base.speed = SPEED_UNKNOWN;
1973 ks->base.duplex = DUPLEX_UNKNOWN;
1974}
1975
1976/**
1977 * ice_get_link_ksettings - Get Link Speed and Duplex settings
1978 * @netdev: network interface device structure
1979 * @ks: ethtool ksettings
1980 *
1981 * Reports speed/duplex settings based on media_type
1982 */
1983static int
1984ice_get_link_ksettings(struct net_device *netdev,
1985 struct ethtool_link_ksettings *ks)
1986{
1987 struct ice_netdev_priv *np = netdev_priv(netdev);
1988 struct ice_aqc_get_phy_caps_data *caps;
1989 struct ice_link_status *hw_link_info;
1990 struct ice_vsi *vsi = np->vsi;
1991 int err;
1992
1993 ethtool_link_ksettings_zero_link_mode(ks, supported);
1994 ethtool_link_ksettings_zero_link_mode(ks, advertising);
1995 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1996 hw_link_info = &vsi->port_info->phy.link_info;
1997
1998 /* set speed and duplex */
1999 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2000 ice_get_settings_link_up(ks, netdev);
2001 else
2002 ice_get_settings_link_down(ks, netdev);
2003
2004 /* set autoneg settings */
2005 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2006 AUTONEG_ENABLE : AUTONEG_DISABLE;
2007
2008 /* set media type settings */
2009 switch (vsi->port_info->phy.media_type) {
2010 case ICE_MEDIA_FIBER:
2011 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2012 ks->base.port = PORT_FIBRE;
2013 break;
2014 case ICE_MEDIA_BASET:
2015 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2016 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2017 ks->base.port = PORT_TP;
2018 break;
2019 case ICE_MEDIA_BACKPLANE:
2020 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2021 ethtool_link_ksettings_add_link_mode(ks, advertising,
2022 Backplane);
2023 ks->base.port = PORT_NONE;
2024 break;
2025 case ICE_MEDIA_DA:
2026 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2027 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2028 ks->base.port = PORT_DA;
2029 break;
2030 default:
2031 ks->base.port = PORT_OTHER;
2032 break;
2033 }
2034
2035 /* flow control is symmetric and always supported */
2036 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2037
2038 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2039 if (!caps)
2040 return -ENOMEM;
2041
2042 err = ice_aq_get_phy_caps(vsi->port_info, false,
2043 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2044 if (err)
2045 goto done;
2046
2047 /* Set the advertised flow control based on the PHY capability */
2048 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2049 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2050 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2051 ethtool_link_ksettings_add_link_mode(ks, advertising,
2052 Asym_Pause);
2053 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2054 ethtool_link_ksettings_add_link_mode(ks, advertising,
2055 Asym_Pause);
2056 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2057 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2058 ethtool_link_ksettings_add_link_mode(ks, advertising,
2059 Asym_Pause);
2060 } else {
2061 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2062 ethtool_link_ksettings_del_link_mode(ks, advertising,
2063 Asym_Pause);
2064 }
2065
2066 /* Set advertised FEC modes based on PHY capability */
2067 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2068
2069 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2070 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2071 ethtool_link_ksettings_add_link_mode(ks, advertising,
2072 FEC_BASER);
2073 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2074 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2075 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2076
2077 err = ice_aq_get_phy_caps(vsi->port_info, false,
2078 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2079 if (err)
2080 goto done;
2081
2082 /* Set supported FEC modes based on PHY capability */
2083 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2084
2085 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2086 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2087 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2088 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2089 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2090
2091 /* Set supported and advertised autoneg */
2092 if (ice_is_phy_caps_an_enabled(caps)) {
2093 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2094 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2095 }
2096
2097done:
2098 kfree(caps);
2099 return err;
2100}
2101
2102/**
2103 * ice_speed_to_aq_link - Get AQ link speed by Ethtool forced speed
2104 * @speed: ethtool forced speed
2105 */
2106static u16 ice_speed_to_aq_link(int speed)
2107{
2108 int aq_speed;
2109
2110 switch (speed) {
2111 case SPEED_10:
2112 aq_speed = ICE_AQ_LINK_SPEED_10MB;
2113 break;
2114 case SPEED_100:
2115 aq_speed = ICE_AQ_LINK_SPEED_100MB;
2116 break;
2117 case SPEED_1000:
2118 aq_speed = ICE_AQ_LINK_SPEED_1000MB;
2119 break;
2120 case SPEED_2500:
2121 aq_speed = ICE_AQ_LINK_SPEED_2500MB;
2122 break;
2123 case SPEED_5000:
2124 aq_speed = ICE_AQ_LINK_SPEED_5GB;
2125 break;
2126 case SPEED_10000:
2127 aq_speed = ICE_AQ_LINK_SPEED_10GB;
2128 break;
2129 case SPEED_20000:
2130 aq_speed = ICE_AQ_LINK_SPEED_20GB;
2131 break;
2132 case SPEED_25000:
2133 aq_speed = ICE_AQ_LINK_SPEED_25GB;
2134 break;
2135 case SPEED_40000:
2136 aq_speed = ICE_AQ_LINK_SPEED_40GB;
2137 break;
2138 case SPEED_50000:
2139 aq_speed = ICE_AQ_LINK_SPEED_50GB;
2140 break;
2141 case SPEED_100000:
2142 aq_speed = ICE_AQ_LINK_SPEED_100GB;
2143 break;
2144 default:
2145 aq_speed = ICE_AQ_LINK_SPEED_UNKNOWN;
2146 break;
2147 }
2148 return aq_speed;
2149}
2150
2151/**
2152 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2153 * @ks: ethtool ksettings
2154 */
2155static u16
2156ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2157{
2158 const struct ethtool_forced_speed_map *map;
2159 u16 adv_link_speed = 0;
2160
2161 for (u32 i = 0; i < ARRAY_SIZE(ice_adv_lnk_speed_maps); i++) {
2162 map = ice_adv_lnk_speed_maps + i;
2163 if (linkmode_intersects(ks->link_modes.advertising, map->caps))
2164 adv_link_speed |= ice_speed_to_aq_link(map->speed);
2165 }
2166
2167 return adv_link_speed;
2168}
2169
2170/**
2171 * ice_setup_autoneg
2172 * @p: port info
2173 * @ks: ethtool_link_ksettings
2174 * @config: configuration that will be sent down to FW
2175 * @autoneg_enabled: autonegotiation is enabled or not
2176 * @autoneg_changed: will there a change in autonegotiation
2177 * @netdev: network interface device structure
2178 *
2179 * Setup PHY autonegotiation feature
2180 */
2181static int
2182ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2183 struct ice_aqc_set_phy_cfg_data *config,
2184 u8 autoneg_enabled, u8 *autoneg_changed,
2185 struct net_device *netdev)
2186{
2187 int err = 0;
2188
2189 *autoneg_changed = 0;
2190
2191 /* Check autoneg */
2192 if (autoneg_enabled == AUTONEG_ENABLE) {
2193 /* If autoneg was not already enabled */
2194 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2195 /* If autoneg is not supported, return error */
2196 if (!ethtool_link_ksettings_test_link_mode(ks,
2197 supported,
2198 Autoneg)) {
2199 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2200 err = -EINVAL;
2201 } else {
2202 /* Autoneg is allowed to change */
2203 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2204 *autoneg_changed = 1;
2205 }
2206 }
2207 } else {
2208 /* If autoneg is currently enabled */
2209 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2210 /* If autoneg is supported 10GBASE_T is the only PHY
2211 * that can disable it, so otherwise return error
2212 */
2213 if (ethtool_link_ksettings_test_link_mode(ks,
2214 supported,
2215 Autoneg)) {
2216 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2217 err = -EINVAL;
2218 } else {
2219 /* Autoneg is allowed to change */
2220 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2221 *autoneg_changed = 1;
2222 }
2223 }
2224 }
2225
2226 return err;
2227}
2228
2229/**
2230 * ice_set_phy_type_from_speed - set phy_types based on speeds
2231 * and advertised modes
2232 * @ks: ethtool link ksettings struct
2233 * @phy_type_low: pointer to the lower part of phy_type
2234 * @phy_type_high: pointer to the higher part of phy_type
2235 * @adv_link_speed: targeted link speeds bitmap
2236 */
2237static void
2238ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2239 u64 *phy_type_low, u64 *phy_type_high,
2240 u16 adv_link_speed)
2241{
2242 /* Handle 1000M speed in a special way because ice_update_phy_type
2243 * enables all link modes, but having mixed copper and optical
2244 * standards is not supported.
2245 */
2246 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2247
2248 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2249 1000baseT_Full))
2250 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2251 ICE_PHY_TYPE_LOW_1G_SGMII;
2252
2253 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2254 1000baseKX_Full))
2255 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2256
2257 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2258 1000baseX_Full))
2259 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2260 ICE_PHY_TYPE_LOW_1000BASE_LX;
2261
2262 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2263}
2264
2265/**
2266 * ice_set_link_ksettings - Set Speed and Duplex
2267 * @netdev: network interface device structure
2268 * @ks: ethtool ksettings
2269 *
2270 * Set speed/duplex per media_types advertised/forced
2271 */
2272static int
2273ice_set_link_ksettings(struct net_device *netdev,
2274 const struct ethtool_link_ksettings *ks)
2275{
2276 struct ice_netdev_priv *np = netdev_priv(netdev);
2277 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2278 struct ethtool_link_ksettings copy_ks = *ks;
2279 struct ethtool_link_ksettings safe_ks = {};
2280 struct ice_aqc_get_phy_caps_data *phy_caps;
2281 struct ice_aqc_set_phy_cfg_data config;
2282 u16 adv_link_speed, curr_link_speed;
2283 struct ice_pf *pf = np->vsi->back;
2284 struct ice_port_info *pi;
2285 u8 autoneg_changed = 0;
2286 u64 phy_type_high = 0;
2287 u64 phy_type_low = 0;
2288 bool linkup;
2289 int err;
2290
2291 pi = np->vsi->port_info;
2292
2293 if (!pi)
2294 return -EIO;
2295
2296 if (pi->phy.media_type != ICE_MEDIA_BASET &&
2297 pi->phy.media_type != ICE_MEDIA_FIBER &&
2298 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2299 pi->phy.media_type != ICE_MEDIA_DA &&
2300 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2301 return -EOPNOTSUPP;
2302
2303 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2304 if (!phy_caps)
2305 return -ENOMEM;
2306
2307 /* Get the PHY capabilities based on media */
2308 if (ice_fw_supports_report_dflt_cfg(pi->hw))
2309 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2310 phy_caps, NULL);
2311 else
2312 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2313 phy_caps, NULL);
2314 if (err)
2315 goto done;
2316
2317 /* save autoneg out of ksettings */
2318 autoneg = copy_ks.base.autoneg;
2319
2320 /* Get link modes supported by hardware.*/
2321 ice_phy_type_to_ethtool(netdev, &safe_ks);
2322
2323 /* and check against modes requested by user.
2324 * Return an error if unsupported mode was set.
2325 */
2326 if (!bitmap_subset(copy_ks.link_modes.advertising,
2327 safe_ks.link_modes.supported,
2328 __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2329 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2330 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2331 err = -EOPNOTSUPP;
2332 goto done;
2333 }
2334
2335 /* get our own copy of the bits to check against */
2336 memset(&safe_ks, 0, sizeof(safe_ks));
2337 safe_ks.base.cmd = copy_ks.base.cmd;
2338 safe_ks.base.link_mode_masks_nwords =
2339 copy_ks.base.link_mode_masks_nwords;
2340 ice_get_link_ksettings(netdev, &safe_ks);
2341
2342 /* set autoneg back to what it currently is */
2343 copy_ks.base.autoneg = safe_ks.base.autoneg;
2344 /* we don't compare the speed */
2345 copy_ks.base.speed = safe_ks.base.speed;
2346
2347 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2348 * trying to set something that we do not support.
2349 */
2350 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2351 err = -EOPNOTSUPP;
2352 goto done;
2353 }
2354
2355 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2356 timeout--;
2357 if (!timeout) {
2358 err = -EBUSY;
2359 goto done;
2360 }
2361 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2362 }
2363
2364 /* Copy the current user PHY configuration. The current user PHY
2365 * configuration is initialized during probe from PHY capabilities
2366 * software mode, and updated on set PHY configuration.
2367 */
2368 config = pi->phy.curr_user_phy_cfg;
2369
2370 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2371
2372 /* Check autoneg */
2373 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2374 netdev);
2375
2376 if (err)
2377 goto done;
2378
2379 /* Call to get the current link speed */
2380 pi->phy.get_link_info = true;
2381 err = ice_get_link_status(pi, &linkup);
2382 if (err)
2383 goto done;
2384
2385 curr_link_speed = pi->phy.curr_user_speed_req;
2386 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2387
2388 /* If speed didn't get set, set it to what it currently is.
2389 * This is needed because if advertise is 0 (as it is when autoneg
2390 * is disabled) then speed won't get set.
2391 */
2392 if (!adv_link_speed)
2393 adv_link_speed = curr_link_speed;
2394
2395 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2396 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2397 adv_link_speed);
2398
2399 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2400 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2401 goto done;
2402 }
2403
2404 /* save the requested speeds */
2405 pi->phy.link_info.req_speeds = adv_link_speed;
2406
2407 /* set link and auto negotiation so changes take effect */
2408 config.caps |= ICE_AQ_PHY_ENA_LINK;
2409
2410 /* check if there is a PHY type for the requested advertised speed */
2411 if (!(phy_type_low || phy_type_high)) {
2412 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2413 err = -EOPNOTSUPP;
2414 goto done;
2415 }
2416
2417 /* intersect requested advertised speed PHY types with media PHY types
2418 * for set PHY configuration
2419 */
2420 config.phy_type_high = cpu_to_le64(phy_type_high) &
2421 phy_caps->phy_type_high;
2422 config.phy_type_low = cpu_to_le64(phy_type_low) &
2423 phy_caps->phy_type_low;
2424
2425 if (!(config.phy_type_high || config.phy_type_low)) {
2426 /* If there is no intersection and lenient mode is enabled, then
2427 * intersect the requested advertised speed with NVM media type
2428 * PHY types.
2429 */
2430 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2431 config.phy_type_high = cpu_to_le64(phy_type_high) &
2432 pf->nvm_phy_type_hi;
2433 config.phy_type_low = cpu_to_le64(phy_type_low) &
2434 pf->nvm_phy_type_lo;
2435 } else {
2436 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2437 err = -EOPNOTSUPP;
2438 goto done;
2439 }
2440 }
2441
2442 /* If link is up put link down */
2443 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2444 /* Tell the OS link is going down, the link will go
2445 * back up when fw says it is ready asynchronously
2446 */
2447 ice_print_link_msg(np->vsi, false);
2448 netif_carrier_off(netdev);
2449 netif_tx_stop_all_queues(netdev);
2450 }
2451
2452 /* make the aq call */
2453 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2454 if (err) {
2455 netdev_info(netdev, "Set phy config failed,\n");
2456 goto done;
2457 }
2458
2459 /* Save speed request */
2460 pi->phy.curr_user_speed_req = adv_link_speed;
2461done:
2462 kfree(phy_caps);
2463 clear_bit(ICE_CFG_BUSY, pf->state);
2464
2465 return err;
2466}
2467
2468/**
2469 * ice_parse_hdrs - parses headers from RSS hash input
2470 * @nfc: ethtool rxnfc command
2471 *
2472 * This function parses the rxnfc command and returns intended
2473 * header types for RSS configuration
2474 */
2475static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2476{
2477 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2478
2479 switch (nfc->flow_type) {
2480 case TCP_V4_FLOW:
2481 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2482 break;
2483 case UDP_V4_FLOW:
2484 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2485 break;
2486 case SCTP_V4_FLOW:
2487 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2488 break;
2489 case TCP_V6_FLOW:
2490 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2491 break;
2492 case UDP_V6_FLOW:
2493 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2494 break;
2495 case SCTP_V6_FLOW:
2496 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2497 break;
2498 default:
2499 break;
2500 }
2501 return hdrs;
2502}
2503
2504/**
2505 * ice_parse_hash_flds - parses hash fields from RSS hash input
2506 * @nfc: ethtool rxnfc command
2507 * @symm: true if Symmetric Topelitz is set
2508 *
2509 * This function parses the rxnfc command and returns intended
2510 * hash fields for RSS configuration
2511 */
2512static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc, bool symm)
2513{
2514 u64 hfld = ICE_HASH_INVALID;
2515
2516 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2517 switch (nfc->flow_type) {
2518 case TCP_V4_FLOW:
2519 case UDP_V4_FLOW:
2520 case SCTP_V4_FLOW:
2521 if (nfc->data & RXH_IP_SRC)
2522 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2523 if (nfc->data & RXH_IP_DST)
2524 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2525 break;
2526 case TCP_V6_FLOW:
2527 case UDP_V6_FLOW:
2528 case SCTP_V6_FLOW:
2529 if (nfc->data & RXH_IP_SRC)
2530 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2531 if (nfc->data & RXH_IP_DST)
2532 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2533 break;
2534 default:
2535 break;
2536 }
2537 }
2538
2539 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2540 switch (nfc->flow_type) {
2541 case TCP_V4_FLOW:
2542 case TCP_V6_FLOW:
2543 if (nfc->data & RXH_L4_B_0_1)
2544 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2545 if (nfc->data & RXH_L4_B_2_3)
2546 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2547 break;
2548 case UDP_V4_FLOW:
2549 case UDP_V6_FLOW:
2550 if (nfc->data & RXH_L4_B_0_1)
2551 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2552 if (nfc->data & RXH_L4_B_2_3)
2553 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2554 break;
2555 case SCTP_V4_FLOW:
2556 case SCTP_V6_FLOW:
2557 if (nfc->data & RXH_L4_B_0_1)
2558 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2559 if (nfc->data & RXH_L4_B_2_3)
2560 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2561 break;
2562 default:
2563 break;
2564 }
2565 }
2566
2567 return hfld;
2568}
2569
2570/**
2571 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2572 * @vsi: the VSI being configured
2573 * @nfc: ethtool rxnfc command
2574 *
2575 * Returns Success if the flow input set is supported.
2576 */
2577static int
2578ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2579{
2580 struct ice_pf *pf = vsi->back;
2581 struct ice_rss_hash_cfg cfg;
2582 struct device *dev;
2583 u64 hashed_flds;
2584 int status;
2585 bool symm;
2586 u32 hdrs;
2587
2588 dev = ice_pf_to_dev(pf);
2589 if (ice_is_safe_mode(pf)) {
2590 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2591 vsi->vsi_num);
2592 return -EINVAL;
2593 }
2594
2595 symm = !!(vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ);
2596 hashed_flds = ice_parse_hash_flds(nfc, symm);
2597 if (hashed_flds == ICE_HASH_INVALID) {
2598 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2599 vsi->vsi_num);
2600 return -EINVAL;
2601 }
2602
2603 hdrs = ice_parse_hdrs(nfc);
2604 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2605 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2606 vsi->vsi_num);
2607 return -EINVAL;
2608 }
2609
2610 cfg.hash_flds = hashed_flds;
2611 cfg.addl_hdrs = hdrs;
2612 cfg.hdr_type = ICE_RSS_ANY_HEADERS;
2613 cfg.symm = symm;
2614
2615 status = ice_add_rss_cfg(&pf->hw, vsi, &cfg);
2616 if (status) {
2617 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2618 vsi->vsi_num, status);
2619 return status;
2620 }
2621
2622 return 0;
2623}
2624
2625/**
2626 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2627 * @vsi: the VSI being configured
2628 * @nfc: ethtool rxnfc command
2629 */
2630static void
2631ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2632{
2633 struct ice_pf *pf = vsi->back;
2634 struct device *dev;
2635 u64 hash_flds;
2636 bool symm;
2637 u32 hdrs;
2638
2639 dev = ice_pf_to_dev(pf);
2640
2641 nfc->data = 0;
2642 if (ice_is_safe_mode(pf)) {
2643 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2644 vsi->vsi_num);
2645 return;
2646 }
2647
2648 hdrs = ice_parse_hdrs(nfc);
2649 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2650 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2651 vsi->vsi_num);
2652 return;
2653 }
2654
2655 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs, &symm);
2656 if (hash_flds == ICE_HASH_INVALID) {
2657 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2658 vsi->vsi_num);
2659 return;
2660 }
2661
2662 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2663 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2664 nfc->data |= (u64)RXH_IP_SRC;
2665
2666 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2667 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2668 nfc->data |= (u64)RXH_IP_DST;
2669
2670 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2671 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2672 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2673 nfc->data |= (u64)RXH_L4_B_0_1;
2674
2675 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2676 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2677 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2678 nfc->data |= (u64)RXH_L4_B_2_3;
2679}
2680
2681/**
2682 * ice_set_rxnfc - command to set Rx flow rules.
2683 * @netdev: network interface device structure
2684 * @cmd: ethtool rxnfc command
2685 *
2686 * Returns 0 for success and negative values for errors
2687 */
2688static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2689{
2690 struct ice_netdev_priv *np = netdev_priv(netdev);
2691 struct ice_vsi *vsi = np->vsi;
2692
2693 switch (cmd->cmd) {
2694 case ETHTOOL_SRXCLSRLINS:
2695 return ice_add_fdir_ethtool(vsi, cmd);
2696 case ETHTOOL_SRXCLSRLDEL:
2697 return ice_del_fdir_ethtool(vsi, cmd);
2698 case ETHTOOL_SRXFH:
2699 return ice_set_rss_hash_opt(vsi, cmd);
2700 default:
2701 break;
2702 }
2703 return -EOPNOTSUPP;
2704}
2705
2706/**
2707 * ice_get_rxnfc - command to get Rx flow classification rules
2708 * @netdev: network interface device structure
2709 * @cmd: ethtool rxnfc command
2710 * @rule_locs: buffer to rturn Rx flow classification rules
2711 *
2712 * Returns Success if the command is supported.
2713 */
2714static int
2715ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2716 u32 __always_unused *rule_locs)
2717{
2718 struct ice_netdev_priv *np = netdev_priv(netdev);
2719 struct ice_vsi *vsi = np->vsi;
2720 int ret = -EOPNOTSUPP;
2721 struct ice_hw *hw;
2722
2723 hw = &vsi->back->hw;
2724
2725 switch (cmd->cmd) {
2726 case ETHTOOL_GRXRINGS:
2727 cmd->data = vsi->rss_size;
2728 ret = 0;
2729 break;
2730 case ETHTOOL_GRXCLSRLCNT:
2731 cmd->rule_cnt = hw->fdir_active_fltr;
2732 /* report total rule count */
2733 cmd->data = ice_get_fdir_cnt_all(hw);
2734 ret = 0;
2735 break;
2736 case ETHTOOL_GRXCLSRULE:
2737 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2738 break;
2739 case ETHTOOL_GRXCLSRLALL:
2740 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2741 break;
2742 case ETHTOOL_GRXFH:
2743 ice_get_rss_hash_opt(vsi, cmd);
2744 ret = 0;
2745 break;
2746 default:
2747 break;
2748 }
2749
2750 return ret;
2751}
2752
2753static void
2754ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2755 struct kernel_ethtool_ringparam *kernel_ring,
2756 struct netlink_ext_ack *extack)
2757{
2758 struct ice_netdev_priv *np = netdev_priv(netdev);
2759 struct ice_vsi *vsi = np->vsi;
2760
2761 ring->rx_max_pending = ICE_MAX_NUM_DESC;
2762 ring->tx_max_pending = ICE_MAX_NUM_DESC;
2763 if (vsi->tx_rings && vsi->rx_rings) {
2764 ring->rx_pending = vsi->rx_rings[0]->count;
2765 ring->tx_pending = vsi->tx_rings[0]->count;
2766 } else {
2767 ring->rx_pending = 0;
2768 ring->tx_pending = 0;
2769 }
2770
2771 /* Rx mini and jumbo rings are not supported */
2772 ring->rx_mini_max_pending = 0;
2773 ring->rx_jumbo_max_pending = 0;
2774 ring->rx_mini_pending = 0;
2775 ring->rx_jumbo_pending = 0;
2776}
2777
2778static int
2779ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2780 struct kernel_ethtool_ringparam *kernel_ring,
2781 struct netlink_ext_ack *extack)
2782{
2783 struct ice_netdev_priv *np = netdev_priv(netdev);
2784 struct ice_tx_ring *xdp_rings = NULL;
2785 struct ice_tx_ring *tx_rings = NULL;
2786 struct ice_rx_ring *rx_rings = NULL;
2787 struct ice_vsi *vsi = np->vsi;
2788 struct ice_pf *pf = vsi->back;
2789 int i, timeout = 50, err = 0;
2790 u16 new_rx_cnt, new_tx_cnt;
2791
2792 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2793 ring->tx_pending < ICE_MIN_NUM_DESC ||
2794 ring->rx_pending > ICE_MAX_NUM_DESC ||
2795 ring->rx_pending < ICE_MIN_NUM_DESC) {
2796 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2797 ring->tx_pending, ring->rx_pending,
2798 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2799 ICE_REQ_DESC_MULTIPLE);
2800 return -EINVAL;
2801 }
2802
2803 /* Return if there is no rings (device is reloading) */
2804 if (!vsi->tx_rings || !vsi->rx_rings)
2805 return -EBUSY;
2806
2807 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2808 if (new_tx_cnt != ring->tx_pending)
2809 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2810 new_tx_cnt);
2811 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2812 if (new_rx_cnt != ring->rx_pending)
2813 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2814 new_rx_cnt);
2815
2816 /* if nothing to do return success */
2817 if (new_tx_cnt == vsi->tx_rings[0]->count &&
2818 new_rx_cnt == vsi->rx_rings[0]->count) {
2819 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2820 return 0;
2821 }
2822
2823 /* If there is a AF_XDP UMEM attached to any of Rx rings,
2824 * disallow changing the number of descriptors -- regardless
2825 * if the netdev is running or not.
2826 */
2827 if (ice_xsk_any_rx_ring_ena(vsi))
2828 return -EBUSY;
2829
2830 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2831 timeout--;
2832 if (!timeout)
2833 return -EBUSY;
2834 usleep_range(1000, 2000);
2835 }
2836
2837 /* set for the next time the netdev is started */
2838 if (!netif_running(vsi->netdev)) {
2839 ice_for_each_alloc_txq(vsi, i)
2840 vsi->tx_rings[i]->count = new_tx_cnt;
2841 ice_for_each_alloc_rxq(vsi, i)
2842 vsi->rx_rings[i]->count = new_rx_cnt;
2843 if (ice_is_xdp_ena_vsi(vsi))
2844 ice_for_each_xdp_txq(vsi, i)
2845 vsi->xdp_rings[i]->count = new_tx_cnt;
2846 vsi->num_tx_desc = (u16)new_tx_cnt;
2847 vsi->num_rx_desc = (u16)new_rx_cnt;
2848 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2849 goto done;
2850 }
2851
2852 if (new_tx_cnt == vsi->tx_rings[0]->count)
2853 goto process_rx;
2854
2855 /* alloc updated Tx resources */
2856 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2857 vsi->tx_rings[0]->count, new_tx_cnt);
2858
2859 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2860 if (!tx_rings) {
2861 err = -ENOMEM;
2862 goto done;
2863 }
2864
2865 ice_for_each_txq(vsi, i) {
2866 /* clone ring and setup updated count */
2867 tx_rings[i] = *vsi->tx_rings[i];
2868 tx_rings[i].count = new_tx_cnt;
2869 tx_rings[i].desc = NULL;
2870 tx_rings[i].tx_buf = NULL;
2871 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
2872 err = ice_setup_tx_ring(&tx_rings[i]);
2873 if (err) {
2874 while (i--)
2875 ice_clean_tx_ring(&tx_rings[i]);
2876 kfree(tx_rings);
2877 goto done;
2878 }
2879 }
2880
2881 if (!ice_is_xdp_ena_vsi(vsi))
2882 goto process_rx;
2883
2884 /* alloc updated XDP resources */
2885 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2886 vsi->xdp_rings[0]->count, new_tx_cnt);
2887
2888 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2889 if (!xdp_rings) {
2890 err = -ENOMEM;
2891 goto free_tx;
2892 }
2893
2894 ice_for_each_xdp_txq(vsi, i) {
2895 /* clone ring and setup updated count */
2896 xdp_rings[i] = *vsi->xdp_rings[i];
2897 xdp_rings[i].count = new_tx_cnt;
2898 xdp_rings[i].desc = NULL;
2899 xdp_rings[i].tx_buf = NULL;
2900 err = ice_setup_tx_ring(&xdp_rings[i]);
2901 if (err) {
2902 while (i--)
2903 ice_clean_tx_ring(&xdp_rings[i]);
2904 kfree(xdp_rings);
2905 goto free_tx;
2906 }
2907 ice_set_ring_xdp(&xdp_rings[i]);
2908 }
2909
2910process_rx:
2911 if (new_rx_cnt == vsi->rx_rings[0]->count)
2912 goto process_link;
2913
2914 /* alloc updated Rx resources */
2915 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2916 vsi->rx_rings[0]->count, new_rx_cnt);
2917
2918 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2919 if (!rx_rings) {
2920 err = -ENOMEM;
2921 goto done;
2922 }
2923
2924 ice_for_each_rxq(vsi, i) {
2925 /* clone ring and setup updated count */
2926 rx_rings[i] = *vsi->rx_rings[i];
2927 rx_rings[i].count = new_rx_cnt;
2928 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
2929 rx_rings[i].desc = NULL;
2930 rx_rings[i].rx_buf = NULL;
2931 /* this is to allow wr32 to have something to write to
2932 * during early allocation of Rx buffers
2933 */
2934 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2935
2936 err = ice_setup_rx_ring(&rx_rings[i]);
2937 if (err)
2938 goto rx_unwind;
2939
2940 /* allocate Rx buffers */
2941 err = ice_alloc_rx_bufs(&rx_rings[i],
2942 ICE_RX_DESC_UNUSED(&rx_rings[i]));
2943rx_unwind:
2944 if (err) {
2945 while (i) {
2946 i--;
2947 ice_free_rx_ring(&rx_rings[i]);
2948 }
2949 kfree(rx_rings);
2950 err = -ENOMEM;
2951 goto free_tx;
2952 }
2953 }
2954
2955process_link:
2956 /* Bring interface down, copy in the new ring info, then restore the
2957 * interface. if VSI is up, bring it down and then back up
2958 */
2959 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
2960 ice_down(vsi);
2961
2962 if (tx_rings) {
2963 ice_for_each_txq(vsi, i) {
2964 ice_free_tx_ring(vsi->tx_rings[i]);
2965 *vsi->tx_rings[i] = tx_rings[i];
2966 }
2967 kfree(tx_rings);
2968 }
2969
2970 if (rx_rings) {
2971 ice_for_each_rxq(vsi, i) {
2972 ice_free_rx_ring(vsi->rx_rings[i]);
2973 /* copy the real tail offset */
2974 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2975 /* this is to fake out the allocation routine
2976 * into thinking it has to realloc everything
2977 * but the recycling logic will let us re-use
2978 * the buffers allocated above
2979 */
2980 rx_rings[i].next_to_use = 0;
2981 rx_rings[i].next_to_clean = 0;
2982 rx_rings[i].next_to_alloc = 0;
2983 *vsi->rx_rings[i] = rx_rings[i];
2984 }
2985 kfree(rx_rings);
2986 }
2987
2988 if (xdp_rings) {
2989 ice_for_each_xdp_txq(vsi, i) {
2990 ice_free_tx_ring(vsi->xdp_rings[i]);
2991 *vsi->xdp_rings[i] = xdp_rings[i];
2992 }
2993 kfree(xdp_rings);
2994 }
2995
2996 vsi->num_tx_desc = new_tx_cnt;
2997 vsi->num_rx_desc = new_rx_cnt;
2998 ice_up(vsi);
2999 }
3000 goto done;
3001
3002free_tx:
3003 /* error cleanup if the Rx allocations failed after getting Tx */
3004 if (tx_rings) {
3005 ice_for_each_txq(vsi, i)
3006 ice_free_tx_ring(&tx_rings[i]);
3007 kfree(tx_rings);
3008 }
3009
3010done:
3011 clear_bit(ICE_CFG_BUSY, pf->state);
3012 return err;
3013}
3014
3015/**
3016 * ice_get_pauseparam - Get Flow Control status
3017 * @netdev: network interface device structure
3018 * @pause: ethernet pause (flow control) parameters
3019 *
3020 * Get requested flow control status from PHY capability.
3021 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3022 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3023 * the negotiated Rx/Tx pause via lp_advertising.
3024 */
3025static void
3026ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3027{
3028 struct ice_netdev_priv *np = netdev_priv(netdev);
3029 struct ice_port_info *pi = np->vsi->port_info;
3030 struct ice_aqc_get_phy_caps_data *pcaps;
3031 struct ice_dcbx_cfg *dcbx_cfg;
3032 int status;
3033
3034 /* Initialize pause params */
3035 pause->rx_pause = 0;
3036 pause->tx_pause = 0;
3037
3038 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3039
3040 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3041 if (!pcaps)
3042 return;
3043
3044 /* Get current PHY config */
3045 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3046 NULL);
3047 if (status)
3048 goto out;
3049
3050 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3051 AUTONEG_DISABLE;
3052
3053 if (dcbx_cfg->pfc.pfcena)
3054 /* PFC enabled so report LFC as off */
3055 goto out;
3056
3057 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3058 pause->tx_pause = 1;
3059 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3060 pause->rx_pause = 1;
3061
3062out:
3063 kfree(pcaps);
3064}
3065
3066/**
3067 * ice_set_pauseparam - Set Flow Control parameter
3068 * @netdev: network interface device structure
3069 * @pause: return Tx/Rx flow control status
3070 */
3071static int
3072ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3073{
3074 struct ice_netdev_priv *np = netdev_priv(netdev);
3075 struct ice_aqc_get_phy_caps_data *pcaps;
3076 struct ice_link_status *hw_link_info;
3077 struct ice_pf *pf = np->vsi->back;
3078 struct ice_dcbx_cfg *dcbx_cfg;
3079 struct ice_vsi *vsi = np->vsi;
3080 struct ice_hw *hw = &pf->hw;
3081 struct ice_port_info *pi;
3082 u8 aq_failures;
3083 bool link_up;
3084 u32 is_an;
3085 int err;
3086
3087 pi = vsi->port_info;
3088 hw_link_info = &pi->phy.link_info;
3089 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3090 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3091
3092 /* Changing the port's flow control is not supported if this isn't the
3093 * PF VSI
3094 */
3095 if (vsi->type != ICE_VSI_PF) {
3096 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3097 return -EOPNOTSUPP;
3098 }
3099
3100 /* Get pause param reports configured and negotiated flow control pause
3101 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3102 * defined get pause param pause->autoneg reports SW configured setting,
3103 * so compare pause->autoneg with SW configured to prevent the user from
3104 * using set pause param to chance autoneg.
3105 */
3106 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3107 if (!pcaps)
3108 return -ENOMEM;
3109
3110 /* Get current PHY config */
3111 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3112 NULL);
3113 if (err) {
3114 kfree(pcaps);
3115 return err;
3116 }
3117
3118 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3119 AUTONEG_DISABLE;
3120
3121 kfree(pcaps);
3122
3123 if (pause->autoneg != is_an) {
3124 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3125 return -EOPNOTSUPP;
3126 }
3127
3128 /* If we have link and don't have autoneg */
3129 if (!test_bit(ICE_DOWN, pf->state) &&
3130 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3131 /* Send message that it might not necessarily work*/
3132 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3133 }
3134
3135 if (dcbx_cfg->pfc.pfcena) {
3136 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3137 return -EOPNOTSUPP;
3138 }
3139 if (pause->rx_pause && pause->tx_pause)
3140 pi->fc.req_mode = ICE_FC_FULL;
3141 else if (pause->rx_pause && !pause->tx_pause)
3142 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3143 else if (!pause->rx_pause && pause->tx_pause)
3144 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3145 else if (!pause->rx_pause && !pause->tx_pause)
3146 pi->fc.req_mode = ICE_FC_NONE;
3147 else
3148 return -EINVAL;
3149
3150 /* Set the FC mode and only restart AN if link is up */
3151 err = ice_set_fc(pi, &aq_failures, link_up);
3152
3153 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3154 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3155 err, ice_aq_str(hw->adminq.sq_last_status));
3156 err = -EAGAIN;
3157 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3158 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3159 err, ice_aq_str(hw->adminq.sq_last_status));
3160 err = -EAGAIN;
3161 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3162 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3163 err, ice_aq_str(hw->adminq.sq_last_status));
3164 err = -EAGAIN;
3165 }
3166
3167 return err;
3168}
3169
3170/**
3171 * ice_get_rxfh_key_size - get the RSS hash key size
3172 * @netdev: network interface device structure
3173 *
3174 * Returns the table size.
3175 */
3176static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3177{
3178 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3179}
3180
3181/**
3182 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3183 * @netdev: network interface device structure
3184 *
3185 * Returns the table size.
3186 */
3187static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3188{
3189 struct ice_netdev_priv *np = netdev_priv(netdev);
3190
3191 return np->vsi->rss_table_size;
3192}
3193
3194/**
3195 * ice_get_rxfh - get the Rx flow hash indirection table
3196 * @netdev: network interface device structure
3197 * @rxfh: pointer to param struct (indir, key, hfunc)
3198 *
3199 * Reads the indirection table directly from the hardware.
3200 */
3201static int
3202ice_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
3203{
3204 struct ice_netdev_priv *np = netdev_priv(netdev);
3205 u32 rss_context = rxfh->rss_context;
3206 struct ice_vsi *vsi = np->vsi;
3207 struct ice_pf *pf = vsi->back;
3208 u16 qcount, offset;
3209 int err, num_tc, i;
3210 u8 *lut;
3211
3212 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3213 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3214 return -EOPNOTSUPP;
3215 }
3216
3217 if (rss_context && !ice_is_adq_active(pf)) {
3218 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3219 return -EINVAL;
3220 }
3221
3222 qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3223 offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3224
3225 if (rss_context && ice_is_adq_active(pf)) {
3226 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3227 if (rss_context >= num_tc) {
3228 netdev_err(netdev, "RSS context:%d > num_tc:%d\n",
3229 rss_context, num_tc);
3230 return -EINVAL;
3231 }
3232 /* Use channel VSI of given TC */
3233 vsi = vsi->tc_map_vsi[rss_context];
3234 }
3235
3236 rxfh->hfunc = ETH_RSS_HASH_TOP;
3237 if (vsi->rss_hfunc == ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ)
3238 rxfh->input_xfrm |= RXH_XFRM_SYM_XOR;
3239
3240 if (!rxfh->indir)
3241 return 0;
3242
3243 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3244 if (!lut)
3245 return -ENOMEM;
3246
3247 err = ice_get_rss_key(vsi, rxfh->key);
3248 if (err)
3249 goto out;
3250
3251 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3252 if (err)
3253 goto out;
3254
3255 if (ice_is_adq_active(pf)) {
3256 for (i = 0; i < vsi->rss_table_size; i++)
3257 rxfh->indir[i] = offset + lut[i] % qcount;
3258 goto out;
3259 }
3260
3261 for (i = 0; i < vsi->rss_table_size; i++)
3262 rxfh->indir[i] = lut[i];
3263
3264out:
3265 kfree(lut);
3266 return err;
3267}
3268
3269/**
3270 * ice_set_rxfh - set the Rx flow hash indirection table
3271 * @netdev: network interface device structure
3272 * @rxfh: pointer to param struct (indir, key, hfunc)
3273 * @extack: extended ACK from the Netlink message
3274 *
3275 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3276 * returns 0 after programming the table.
3277 */
3278static int
3279ice_set_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh,
3280 struct netlink_ext_ack *extack)
3281{
3282 struct ice_netdev_priv *np = netdev_priv(netdev);
3283 u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
3284 struct ice_vsi *vsi = np->vsi;
3285 struct ice_pf *pf = vsi->back;
3286 struct device *dev;
3287 int err;
3288
3289 dev = ice_pf_to_dev(pf);
3290 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3291 rxfh->hfunc != ETH_RSS_HASH_TOP)
3292 return -EOPNOTSUPP;
3293
3294 if (rxfh->rss_context)
3295 return -EOPNOTSUPP;
3296
3297 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3298 /* RSS not supported return error here */
3299 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3300 return -EIO;
3301 }
3302
3303 if (ice_is_adq_active(pf)) {
3304 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3305 return -EOPNOTSUPP;
3306 }
3307
3308 /* Update the VSI's hash function */
3309 if (rxfh->input_xfrm & RXH_XFRM_SYM_XOR)
3310 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
3311
3312 err = ice_set_rss_hfunc(vsi, hfunc);
3313 if (err)
3314 return err;
3315
3316 if (rxfh->key) {
3317 if (!vsi->rss_hkey_user) {
3318 vsi->rss_hkey_user =
3319 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3320 GFP_KERNEL);
3321 if (!vsi->rss_hkey_user)
3322 return -ENOMEM;
3323 }
3324 memcpy(vsi->rss_hkey_user, rxfh->key,
3325 ICE_VSIQF_HKEY_ARRAY_SIZE);
3326
3327 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3328 if (err)
3329 return err;
3330 }
3331
3332 if (!vsi->rss_lut_user) {
3333 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3334 GFP_KERNEL);
3335 if (!vsi->rss_lut_user)
3336 return -ENOMEM;
3337 }
3338
3339 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3340 if (rxfh->indir) {
3341 int i;
3342
3343 for (i = 0; i < vsi->rss_table_size; i++)
3344 vsi->rss_lut_user[i] = (u8)(rxfh->indir[i]);
3345 } else {
3346 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3347 vsi->rss_size);
3348 }
3349
3350 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3351 if (err)
3352 return err;
3353
3354 return 0;
3355}
3356
3357static int
3358ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3359{
3360 struct ice_pf *pf = ice_netdev_to_pf(dev);
3361
3362 /* only report timestamping if PTP is enabled */
3363 if (!test_bit(ICE_FLAG_PTP, pf->flags))
3364 return ethtool_op_get_ts_info(dev, info);
3365
3366 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3367 SOF_TIMESTAMPING_RX_SOFTWARE |
3368 SOF_TIMESTAMPING_SOFTWARE |
3369 SOF_TIMESTAMPING_TX_HARDWARE |
3370 SOF_TIMESTAMPING_RX_HARDWARE |
3371 SOF_TIMESTAMPING_RAW_HARDWARE;
3372
3373 info->phc_index = ice_ptp_clock_index(pf);
3374
3375 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3376
3377 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3378
3379 return 0;
3380}
3381
3382/**
3383 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3384 * @pf: PF structure
3385 */
3386static int ice_get_max_txq(struct ice_pf *pf)
3387{
3388 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3389 (u16)pf->hw.func_caps.common_cap.num_txq);
3390}
3391
3392/**
3393 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3394 * @pf: PF structure
3395 */
3396static int ice_get_max_rxq(struct ice_pf *pf)
3397{
3398 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3399 (u16)pf->hw.func_caps.common_cap.num_rxq);
3400}
3401
3402/**
3403 * ice_get_combined_cnt - return the current number of combined channels
3404 * @vsi: PF VSI pointer
3405 *
3406 * Go through all queue vectors and count ones that have both Rx and Tx ring
3407 * attached
3408 */
3409static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3410{
3411 u32 combined = 0;
3412 int q_idx;
3413
3414 ice_for_each_q_vector(vsi, q_idx) {
3415 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3416
3417 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3418 combined++;
3419 }
3420
3421 return combined;
3422}
3423
3424/**
3425 * ice_get_channels - get the current and max supported channels
3426 * @dev: network interface device structure
3427 * @ch: ethtool channel data structure
3428 */
3429static void
3430ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3431{
3432 struct ice_netdev_priv *np = netdev_priv(dev);
3433 struct ice_vsi *vsi = np->vsi;
3434 struct ice_pf *pf = vsi->back;
3435
3436 /* report maximum channels */
3437 ch->max_rx = ice_get_max_rxq(pf);
3438 ch->max_tx = ice_get_max_txq(pf);
3439 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3440
3441 /* report current channels */
3442 ch->combined_count = ice_get_combined_cnt(vsi);
3443 ch->rx_count = vsi->num_rxq - ch->combined_count;
3444 ch->tx_count = vsi->num_txq - ch->combined_count;
3445
3446 /* report other queues */
3447 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3448 ch->max_other = ch->other_count;
3449}
3450
3451/**
3452 * ice_get_valid_rss_size - return valid number of RSS queues
3453 * @hw: pointer to the HW structure
3454 * @new_size: requested RSS queues
3455 */
3456static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3457{
3458 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3459
3460 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3461}
3462
3463/**
3464 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3465 * @vsi: VSI to reconfigure RSS LUT on
3466 * @req_rss_size: requested range of queue numbers for hashing
3467 *
3468 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3469 */
3470static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3471{
3472 struct ice_pf *pf = vsi->back;
3473 struct device *dev;
3474 struct ice_hw *hw;
3475 int err;
3476 u8 *lut;
3477
3478 dev = ice_pf_to_dev(pf);
3479 hw = &pf->hw;
3480
3481 if (!req_rss_size)
3482 return -EINVAL;
3483
3484 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3485 if (!lut)
3486 return -ENOMEM;
3487
3488 /* set RSS LUT parameters */
3489 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3490 vsi->rss_size = 1;
3491 else
3492 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3493
3494 /* create/set RSS LUT */
3495 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3496 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3497 if (err)
3498 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3499 ice_aq_str(hw->adminq.sq_last_status));
3500
3501 kfree(lut);
3502 return err;
3503}
3504
3505/**
3506 * ice_set_channels - set the number channels
3507 * @dev: network interface device structure
3508 * @ch: ethtool channel data structure
3509 */
3510static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3511{
3512 struct ice_netdev_priv *np = netdev_priv(dev);
3513 struct ice_vsi *vsi = np->vsi;
3514 struct ice_pf *pf = vsi->back;
3515 int new_rx = 0, new_tx = 0;
3516 bool locked = false;
3517 u32 curr_combined;
3518 int ret = 0;
3519
3520 /* do not support changing channels in Safe Mode */
3521 if (ice_is_safe_mode(pf)) {
3522 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3523 return -EOPNOTSUPP;
3524 }
3525 /* do not support changing other_count */
3526 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3527 return -EINVAL;
3528
3529 if (ice_is_adq_active(pf)) {
3530 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3531 return -EOPNOTSUPP;
3532 }
3533
3534 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3535 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3536 return -EOPNOTSUPP;
3537 }
3538
3539 curr_combined = ice_get_combined_cnt(vsi);
3540
3541 /* these checks are for cases where user didn't specify a particular
3542 * value on cmd line but we get non-zero value anyway via
3543 * get_channels(); look at ethtool.c in ethtool repository (the user
3544 * space part), particularly, do_schannels() routine
3545 */
3546 if (ch->rx_count == vsi->num_rxq - curr_combined)
3547 ch->rx_count = 0;
3548 if (ch->tx_count == vsi->num_txq - curr_combined)
3549 ch->tx_count = 0;
3550 if (ch->combined_count == curr_combined)
3551 ch->combined_count = 0;
3552
3553 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3554 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3555 return -EINVAL;
3556 }
3557
3558 new_rx = ch->combined_count + ch->rx_count;
3559 new_tx = ch->combined_count + ch->tx_count;
3560
3561 if (new_rx < vsi->tc_cfg.numtc) {
3562 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3563 vsi->tc_cfg.numtc);
3564 return -EINVAL;
3565 }
3566 if (new_tx < vsi->tc_cfg.numtc) {
3567 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3568 vsi->tc_cfg.numtc);
3569 return -EINVAL;
3570 }
3571 if (new_rx > ice_get_max_rxq(pf)) {
3572 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3573 ice_get_max_rxq(pf));
3574 return -EINVAL;
3575 }
3576 if (new_tx > ice_get_max_txq(pf)) {
3577 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3578 ice_get_max_txq(pf));
3579 return -EINVAL;
3580 }
3581
3582 if (pf->adev) {
3583 mutex_lock(&pf->adev_mutex);
3584 device_lock(&pf->adev->dev);
3585 locked = true;
3586 if (pf->adev->dev.driver) {
3587 netdev_err(dev, "Cannot change channels when RDMA is active\n");
3588 ret = -EBUSY;
3589 goto adev_unlock;
3590 }
3591 }
3592
3593 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3594
3595 if (!netif_is_rxfh_configured(dev)) {
3596 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3597 goto adev_unlock;
3598 }
3599
3600 /* Update rss_size due to change in Rx queues */
3601 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3602
3603adev_unlock:
3604 if (locked) {
3605 device_unlock(&pf->adev->dev);
3606 mutex_unlock(&pf->adev_mutex);
3607 }
3608 return ret;
3609}
3610
3611/**
3612 * ice_get_wol - get current Wake on LAN configuration
3613 * @netdev: network interface device structure
3614 * @wol: Ethtool structure to retrieve WoL settings
3615 */
3616static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3617{
3618 struct ice_netdev_priv *np = netdev_priv(netdev);
3619 struct ice_pf *pf = np->vsi->back;
3620
3621 if (np->vsi->type != ICE_VSI_PF)
3622 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3623
3624 /* Get WoL settings based on the HW capability */
3625 if (ice_is_wol_supported(&pf->hw)) {
3626 wol->supported = WAKE_MAGIC;
3627 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3628 } else {
3629 wol->supported = 0;
3630 wol->wolopts = 0;
3631 }
3632}
3633
3634/**
3635 * ice_set_wol - set Wake on LAN on supported device
3636 * @netdev: network interface device structure
3637 * @wol: Ethtool structure to set WoL
3638 */
3639static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3640{
3641 struct ice_netdev_priv *np = netdev_priv(netdev);
3642 struct ice_vsi *vsi = np->vsi;
3643 struct ice_pf *pf = vsi->back;
3644
3645 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3646 return -EOPNOTSUPP;
3647
3648 /* only magic packet is supported */
3649 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3650 return -EOPNOTSUPP;
3651
3652 /* Set WoL only if there is a new value */
3653 if (pf->wol_ena != !!wol->wolopts) {
3654 pf->wol_ena = !!wol->wolopts;
3655 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3656 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3657 pf->wol_ena ? "en" : "dis");
3658 }
3659
3660 return 0;
3661}
3662
3663/**
3664 * ice_get_rc_coalesce - get ITR values for specific ring container
3665 * @ec: ethtool structure to fill with driver's coalesce settings
3666 * @rc: ring container that the ITR values will come from
3667 *
3668 * Query the device for ice_ring_container specific ITR values. This is
3669 * done per ice_ring_container because each q_vector can have 1 or more rings
3670 * and all of said ring(s) will have the same ITR values.
3671 *
3672 * Returns 0 on success, negative otherwise.
3673 */
3674static int
3675ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3676{
3677 if (!rc->rx_ring)
3678 return -EINVAL;
3679
3680 switch (rc->type) {
3681 case ICE_RX_CONTAINER:
3682 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3683 ec->rx_coalesce_usecs = rc->itr_setting;
3684 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3685 break;
3686 case ICE_TX_CONTAINER:
3687 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3688 ec->tx_coalesce_usecs = rc->itr_setting;
3689 break;
3690 default:
3691 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3692 return -EINVAL;
3693 }
3694
3695 return 0;
3696}
3697
3698/**
3699 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3700 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3701 * @ec: coalesce settings to program the device with
3702 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3703 *
3704 * Return 0 on success, and negative under the following conditions:
3705 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3706 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3707 */
3708static int
3709ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3710{
3711 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3712 if (ice_get_rc_coalesce(ec,
3713 &vsi->rx_rings[q_num]->q_vector->rx))
3714 return -EINVAL;
3715 if (ice_get_rc_coalesce(ec,
3716 &vsi->tx_rings[q_num]->q_vector->tx))
3717 return -EINVAL;
3718 } else if (q_num < vsi->num_rxq) {
3719 if (ice_get_rc_coalesce(ec,
3720 &vsi->rx_rings[q_num]->q_vector->rx))
3721 return -EINVAL;
3722 } else if (q_num < vsi->num_txq) {
3723 if (ice_get_rc_coalesce(ec,
3724 &vsi->tx_rings[q_num]->q_vector->tx))
3725 return -EINVAL;
3726 } else {
3727 return -EINVAL;
3728 }
3729
3730 return 0;
3731}
3732
3733/**
3734 * __ice_get_coalesce - get ITR/INTRL values for the device
3735 * @netdev: pointer to the netdev associated with this query
3736 * @ec: ethtool structure to fill with driver's coalesce settings
3737 * @q_num: queue number to get the coalesce settings for
3738 *
3739 * If the caller passes in a negative q_num then we return coalesce settings
3740 * based on queue number 0, else use the actual q_num passed in.
3741 */
3742static int
3743__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3744 int q_num)
3745{
3746 struct ice_netdev_priv *np = netdev_priv(netdev);
3747 struct ice_vsi *vsi = np->vsi;
3748
3749 if (q_num < 0)
3750 q_num = 0;
3751
3752 if (ice_get_q_coalesce(vsi, ec, q_num))
3753 return -EINVAL;
3754
3755 return 0;
3756}
3757
3758static int ice_get_coalesce(struct net_device *netdev,
3759 struct ethtool_coalesce *ec,
3760 struct kernel_ethtool_coalesce *kernel_coal,
3761 struct netlink_ext_ack *extack)
3762{
3763 return __ice_get_coalesce(netdev, ec, -1);
3764}
3765
3766static int
3767ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3768 struct ethtool_coalesce *ec)
3769{
3770 return __ice_get_coalesce(netdev, ec, q_num);
3771}
3772
3773/**
3774 * ice_set_rc_coalesce - set ITR values for specific ring container
3775 * @ec: ethtool structure from user to update ITR settings
3776 * @rc: ring container that the ITR values will come from
3777 * @vsi: VSI associated to the ring container
3778 *
3779 * Set specific ITR values. This is done per ice_ring_container because each
3780 * q_vector can have 1 or more rings and all of said ring(s) will have the same
3781 * ITR values.
3782 *
3783 * Returns 0 on success, negative otherwise.
3784 */
3785static int
3786ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3787 struct ice_ring_container *rc, struct ice_vsi *vsi)
3788{
3789 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3790 u32 use_adaptive_coalesce, coalesce_usecs;
3791 struct ice_pf *pf = vsi->back;
3792 u16 itr_setting;
3793
3794 if (!rc->rx_ring)
3795 return -EINVAL;
3796
3797 switch (rc->type) {
3798 case ICE_RX_CONTAINER:
3799 {
3800 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3801
3802 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3803 (ec->rx_coalesce_usecs_high &&
3804 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3805 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3806 c_type_str, pf->hw.intrl_gran,
3807 ICE_MAX_INTRL);
3808 return -EINVAL;
3809 }
3810 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3811 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3812 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3813 c_type_str);
3814 return -EINVAL;
3815 }
3816 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3817 q_vector->intrl = ec->rx_coalesce_usecs_high;
3818
3819 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3820 coalesce_usecs = ec->rx_coalesce_usecs;
3821
3822 break;
3823 }
3824 case ICE_TX_CONTAINER:
3825 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3826 coalesce_usecs = ec->tx_coalesce_usecs;
3827
3828 break;
3829 default:
3830 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3831 rc->type);
3832 return -EINVAL;
3833 }
3834
3835 itr_setting = rc->itr_setting;
3836 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3837 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3838 c_type_str, c_type_str);
3839 return -EINVAL;
3840 }
3841
3842 if (coalesce_usecs > ICE_ITR_MAX) {
3843 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3844 c_type_str, ICE_ITR_MAX);
3845 return -EINVAL;
3846 }
3847
3848 if (use_adaptive_coalesce) {
3849 rc->itr_mode = ITR_DYNAMIC;
3850 } else {
3851 rc->itr_mode = ITR_STATIC;
3852 /* store user facing value how it was set */
3853 rc->itr_setting = coalesce_usecs;
3854 /* write the change to the register */
3855 ice_write_itr(rc, coalesce_usecs);
3856 /* force writes to take effect immediately, the flush shouldn't
3857 * be done in the functions above because the intent is for
3858 * them to do lazy writes.
3859 */
3860 ice_flush(&pf->hw);
3861 }
3862
3863 return 0;
3864}
3865
3866/**
3867 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3868 * @vsi: VSI associated to the queue that need updating
3869 * @ec: coalesce settings to program the device with
3870 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3871 *
3872 * Return 0 on success, and negative under the following conditions:
3873 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3874 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3875 */
3876static int
3877ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3878{
3879 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3880 if (ice_set_rc_coalesce(ec,
3881 &vsi->rx_rings[q_num]->q_vector->rx,
3882 vsi))
3883 return -EINVAL;
3884
3885 if (ice_set_rc_coalesce(ec,
3886 &vsi->tx_rings[q_num]->q_vector->tx,
3887 vsi))
3888 return -EINVAL;
3889 } else if (q_num < vsi->num_rxq) {
3890 if (ice_set_rc_coalesce(ec,
3891 &vsi->rx_rings[q_num]->q_vector->rx,
3892 vsi))
3893 return -EINVAL;
3894 } else if (q_num < vsi->num_txq) {
3895 if (ice_set_rc_coalesce(ec,
3896 &vsi->tx_rings[q_num]->q_vector->tx,
3897 vsi))
3898 return -EINVAL;
3899 } else {
3900 return -EINVAL;
3901 }
3902
3903 return 0;
3904}
3905
3906/**
3907 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3908 * @netdev: netdev used for print
3909 * @itr_setting: previous user setting
3910 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3911 * @coalesce_usecs: requested value of [tx|rx]-usecs
3912 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3913 */
3914static void
3915ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3916 u32 use_adaptive_coalesce, u32 coalesce_usecs,
3917 const char *c_type_str)
3918{
3919 if (use_adaptive_coalesce)
3920 return;
3921
3922 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3923 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
3924 c_type_str, coalesce_usecs, c_type_str,
3925 ITR_REG_ALIGN(coalesce_usecs));
3926}
3927
3928/**
3929 * __ice_set_coalesce - set ITR/INTRL values for the device
3930 * @netdev: pointer to the netdev associated with this query
3931 * @ec: ethtool structure to fill with driver's coalesce settings
3932 * @q_num: queue number to get the coalesce settings for
3933 *
3934 * If the caller passes in a negative q_num then we set the coalesce settings
3935 * for all Tx/Rx queues, else use the actual q_num passed in.
3936 */
3937static int
3938__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3939 int q_num)
3940{
3941 struct ice_netdev_priv *np = netdev_priv(netdev);
3942 struct ice_vsi *vsi = np->vsi;
3943
3944 if (q_num < 0) {
3945 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3946 int v_idx;
3947
3948 if (q_vector) {
3949 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3950 ec->use_adaptive_rx_coalesce,
3951 ec->rx_coalesce_usecs, "rx");
3952
3953 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3954 ec->use_adaptive_tx_coalesce,
3955 ec->tx_coalesce_usecs, "tx");
3956 }
3957
3958 ice_for_each_q_vector(vsi, v_idx) {
3959 /* In some cases if DCB is configured the num_[rx|tx]q
3960 * can be less than vsi->num_q_vectors. This check
3961 * accounts for that so we don't report a false failure
3962 */
3963 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3964 goto set_complete;
3965
3966 if (ice_set_q_coalesce(vsi, ec, v_idx))
3967 return -EINVAL;
3968
3969 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
3970 }
3971 goto set_complete;
3972 }
3973
3974 if (ice_set_q_coalesce(vsi, ec, q_num))
3975 return -EINVAL;
3976
3977 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
3978
3979set_complete:
3980 return 0;
3981}
3982
3983static int ice_set_coalesce(struct net_device *netdev,
3984 struct ethtool_coalesce *ec,
3985 struct kernel_ethtool_coalesce *kernel_coal,
3986 struct netlink_ext_ack *extack)
3987{
3988 return __ice_set_coalesce(netdev, ec, -1);
3989}
3990
3991static int
3992ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3993 struct ethtool_coalesce *ec)
3994{
3995 return __ice_set_coalesce(netdev, ec, q_num);
3996}
3997
3998static void
3999ice_repr_get_drvinfo(struct net_device *netdev,
4000 struct ethtool_drvinfo *drvinfo)
4001{
4002 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4003
4004 if (ice_check_vf_ready_for_cfg(repr->vf))
4005 return;
4006
4007 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4008}
4009
4010static void
4011ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4012{
4013 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4014
4015 /* for port representors only ETH_SS_STATS is supported */
4016 if (ice_check_vf_ready_for_cfg(repr->vf) ||
4017 stringset != ETH_SS_STATS)
4018 return;
4019
4020 __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4021}
4022
4023static void
4024ice_repr_get_ethtool_stats(struct net_device *netdev,
4025 struct ethtool_stats __always_unused *stats,
4026 u64 *data)
4027{
4028 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4029
4030 if (ice_check_vf_ready_for_cfg(repr->vf))
4031 return;
4032
4033 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4034}
4035
4036static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4037{
4038 switch (sset) {
4039 case ETH_SS_STATS:
4040 return ICE_VSI_STATS_LEN;
4041 default:
4042 return -EOPNOTSUPP;
4043 }
4044}
4045
4046#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4047#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4048#define ICE_MODULE_TYPE_SFP 0x03
4049#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4050#define ICE_MODULE_TYPE_QSFP28 0x11
4051#define ICE_MODULE_SFF_ADDR_MODE 0x04
4052#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4053#define ICE_MODULE_REVISION_ADDR 0x01
4054#define ICE_MODULE_SFF_8472_COMP 0x5E
4055#define ICE_MODULE_SFF_8472_SWAP 0x5C
4056#define ICE_MODULE_QSFP_MAX_LEN 640
4057
4058/**
4059 * ice_get_module_info - get SFF module type and revision information
4060 * @netdev: network interface device structure
4061 * @modinfo: module EEPROM size and layout information structure
4062 */
4063static int
4064ice_get_module_info(struct net_device *netdev,
4065 struct ethtool_modinfo *modinfo)
4066{
4067 struct ice_netdev_priv *np = netdev_priv(netdev);
4068 struct ice_vsi *vsi = np->vsi;
4069 struct ice_pf *pf = vsi->back;
4070 struct ice_hw *hw = &pf->hw;
4071 u8 sff8472_comp = 0;
4072 u8 sff8472_swap = 0;
4073 u8 sff8636_rev = 0;
4074 u8 value = 0;
4075 int status;
4076
4077 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4078 0, &value, 1, 0, NULL);
4079 if (status)
4080 return status;
4081
4082 switch (value) {
4083 case ICE_MODULE_TYPE_SFP:
4084 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4085 ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4086 &sff8472_comp, 1, 0, NULL);
4087 if (status)
4088 return status;
4089 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4090 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4091 &sff8472_swap, 1, 0, NULL);
4092 if (status)
4093 return status;
4094
4095 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4096 modinfo->type = ETH_MODULE_SFF_8079;
4097 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4098 } else if (sff8472_comp &&
4099 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4100 modinfo->type = ETH_MODULE_SFF_8472;
4101 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4102 } else {
4103 modinfo->type = ETH_MODULE_SFF_8079;
4104 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4105 }
4106 break;
4107 case ICE_MODULE_TYPE_QSFP_PLUS:
4108 case ICE_MODULE_TYPE_QSFP28:
4109 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4110 ICE_MODULE_REVISION_ADDR, 0x00, 0,
4111 &sff8636_rev, 1, 0, NULL);
4112 if (status)
4113 return status;
4114 /* Check revision compliance */
4115 if (sff8636_rev > 0x02) {
4116 /* Module is SFF-8636 compliant */
4117 modinfo->type = ETH_MODULE_SFF_8636;
4118 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4119 } else {
4120 modinfo->type = ETH_MODULE_SFF_8436;
4121 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4122 }
4123 break;
4124 default:
4125 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4126 return -EINVAL;
4127 }
4128 return 0;
4129}
4130
4131/**
4132 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4133 * @netdev: network interface device structure
4134 * @ee: EEPROM dump request structure
4135 * @data: buffer to be filled with EEPROM contents
4136 */
4137static int
4138ice_get_module_eeprom(struct net_device *netdev,
4139 struct ethtool_eeprom *ee, u8 *data)
4140{
4141 struct ice_netdev_priv *np = netdev_priv(netdev);
4142#define SFF_READ_BLOCK_SIZE 8
4143 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4144 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4145 struct ice_vsi *vsi = np->vsi;
4146 struct ice_pf *pf = vsi->back;
4147 struct ice_hw *hw = &pf->hw;
4148 bool is_sfp = false;
4149 unsigned int i, j;
4150 u16 offset = 0;
4151 u8 page = 0;
4152 int status;
4153
4154 if (!ee || !ee->len || !data)
4155 return -EINVAL;
4156
4157 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4158 NULL);
4159 if (status)
4160 return status;
4161
4162 if (value[0] == ICE_MODULE_TYPE_SFP)
4163 is_sfp = true;
4164
4165 memset(data, 0, ee->len);
4166 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4167 offset = i + ee->offset;
4168 page = 0;
4169
4170 /* Check if we need to access the other memory page */
4171 if (is_sfp) {
4172 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4173 offset -= ETH_MODULE_SFF_8079_LEN;
4174 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4175 }
4176 } else {
4177 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4178 /* Compute memory page number and offset. */
4179 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4180 page++;
4181 }
4182 }
4183
4184 /* Bit 2 of EEPROM address 0x02 declares upper
4185 * pages are disabled on QSFP modules.
4186 * SFP modules only ever use page 0.
4187 */
4188 if (page == 0 || !(data[0x2] & 0x4)) {
4189 u32 copy_len;
4190
4191 /* If i2c bus is busy due to slow page change or
4192 * link management access, call can fail. This is normal.
4193 * So we retry this a few times.
4194 */
4195 for (j = 0; j < 4; j++) {
4196 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4197 !is_sfp, value,
4198 SFF_READ_BLOCK_SIZE,
4199 0, NULL);
4200 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4201 addr, offset, page, is_sfp,
4202 value[0], value[1], value[2], value[3],
4203 value[4], value[5], value[6], value[7],
4204 status);
4205 if (status) {
4206 usleep_range(1500, 2500);
4207 memset(value, 0, SFF_READ_BLOCK_SIZE);
4208 continue;
4209 }
4210 break;
4211 }
4212
4213 /* Make sure we have enough room for the new block */
4214 copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
4215 memcpy(data + i, value, copy_len);
4216 }
4217 }
4218 return 0;
4219}
4220
4221static const struct ethtool_ops ice_ethtool_ops = {
4222 .cap_rss_ctx_supported = true,
4223 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4224 ETHTOOL_COALESCE_USE_ADAPTIVE |
4225 ETHTOOL_COALESCE_RX_USECS_HIGH,
4226 .cap_rss_sym_xor_supported = true,
4227 .get_link_ksettings = ice_get_link_ksettings,
4228 .set_link_ksettings = ice_set_link_ksettings,
4229 .get_drvinfo = ice_get_drvinfo,
4230 .get_regs_len = ice_get_regs_len,
4231 .get_regs = ice_get_regs,
4232 .get_wol = ice_get_wol,
4233 .set_wol = ice_set_wol,
4234 .get_msglevel = ice_get_msglevel,
4235 .set_msglevel = ice_set_msglevel,
4236 .self_test = ice_self_test,
4237 .get_link = ethtool_op_get_link,
4238 .get_eeprom_len = ice_get_eeprom_len,
4239 .get_eeprom = ice_get_eeprom,
4240 .get_coalesce = ice_get_coalesce,
4241 .set_coalesce = ice_set_coalesce,
4242 .get_strings = ice_get_strings,
4243 .set_phys_id = ice_set_phys_id,
4244 .get_ethtool_stats = ice_get_ethtool_stats,
4245 .get_priv_flags = ice_get_priv_flags,
4246 .set_priv_flags = ice_set_priv_flags,
4247 .get_sset_count = ice_get_sset_count,
4248 .get_rxnfc = ice_get_rxnfc,
4249 .set_rxnfc = ice_set_rxnfc,
4250 .get_ringparam = ice_get_ringparam,
4251 .set_ringparam = ice_set_ringparam,
4252 .nway_reset = ice_nway_reset,
4253 .get_pauseparam = ice_get_pauseparam,
4254 .set_pauseparam = ice_set_pauseparam,
4255 .get_rxfh_key_size = ice_get_rxfh_key_size,
4256 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4257 .get_rxfh = ice_get_rxfh,
4258 .set_rxfh = ice_set_rxfh,
4259 .get_channels = ice_get_channels,
4260 .set_channels = ice_set_channels,
4261 .get_ts_info = ice_get_ts_info,
4262 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4263 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4264 .get_fecparam = ice_get_fecparam,
4265 .set_fecparam = ice_set_fecparam,
4266 .get_module_info = ice_get_module_info,
4267 .get_module_eeprom = ice_get_module_eeprom,
4268};
4269
4270static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4271 .get_link_ksettings = ice_get_link_ksettings,
4272 .set_link_ksettings = ice_set_link_ksettings,
4273 .get_drvinfo = ice_get_drvinfo,
4274 .get_regs_len = ice_get_regs_len,
4275 .get_regs = ice_get_regs,
4276 .get_wol = ice_get_wol,
4277 .set_wol = ice_set_wol,
4278 .get_msglevel = ice_get_msglevel,
4279 .set_msglevel = ice_set_msglevel,
4280 .get_link = ethtool_op_get_link,
4281 .get_eeprom_len = ice_get_eeprom_len,
4282 .get_eeprom = ice_get_eeprom,
4283 .get_strings = ice_get_strings,
4284 .get_ethtool_stats = ice_get_ethtool_stats,
4285 .get_sset_count = ice_get_sset_count,
4286 .get_ringparam = ice_get_ringparam,
4287 .set_ringparam = ice_set_ringparam,
4288 .nway_reset = ice_nway_reset,
4289 .get_channels = ice_get_channels,
4290};
4291
4292/**
4293 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4294 * @netdev: network interface device structure
4295 */
4296void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4297{
4298 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4299}
4300
4301static const struct ethtool_ops ice_ethtool_repr_ops = {
4302 .get_drvinfo = ice_repr_get_drvinfo,
4303 .get_link = ethtool_op_get_link,
4304 .get_strings = ice_repr_get_strings,
4305 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4306 .get_sset_count = ice_repr_get_sset_count,
4307};
4308
4309/**
4310 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4311 * @netdev: network interface device structure
4312 */
4313void ice_set_ethtool_repr_ops(struct net_device *netdev)
4314{
4315 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4316}
4317
4318/**
4319 * ice_set_ethtool_ops - setup netdev ethtool ops
4320 * @netdev: network interface device structure
4321 *
4322 * setup netdev ethtool ops with ice specific ops
4323 */
4324void ice_set_ethtool_ops(struct net_device *netdev)
4325{
4326 netdev->ethtool_ops = &ice_ethtool_ops;
4327}
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2018, Intel Corporation. */
3
4/* ethtool support for ice */
5
6#include "ice.h"
7#include "ice_flow.h"
8#include "ice_fltr.h"
9#include "ice_lib.h"
10#include "ice_dcb_lib.h"
11#include <net/dcbnl.h>
12
13struct ice_stats {
14 char stat_string[ETH_GSTRING_LEN];
15 int sizeof_stat;
16 int stat_offset;
17};
18
19#define ICE_STAT(_type, _name, _stat) { \
20 .stat_string = _name, \
21 .sizeof_stat = sizeof_field(_type, _stat), \
22 .stat_offset = offsetof(_type, _stat) \
23}
24
25#define ICE_VSI_STAT(_name, _stat) \
26 ICE_STAT(struct ice_vsi, _name, _stat)
27#define ICE_PF_STAT(_name, _stat) \
28 ICE_STAT(struct ice_pf, _name, _stat)
29
30static int ice_q_stats_len(struct net_device *netdev)
31{
32 struct ice_netdev_priv *np = netdev_priv(netdev);
33
34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
35 (sizeof(struct ice_q_stats) / sizeof(u64)));
36}
37
38#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
39#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
40
41#define ICE_PFC_STATS_LEN ( \
42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
46 / sizeof(u64))
47#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
48 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
49
50static const struct ice_stats ice_gstrings_vsi_stats[] = {
51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
64 ICE_VSI_STAT("tx_linearize", tx_linearize),
65 ICE_VSI_STAT("tx_busy", tx_busy),
66 ICE_VSI_STAT("tx_restart", tx_restart),
67};
68
69enum ice_ethtool_test_id {
70 ICE_ETH_TEST_REG = 0,
71 ICE_ETH_TEST_EEPROM,
72 ICE_ETH_TEST_INTR,
73 ICE_ETH_TEST_LOOP,
74 ICE_ETH_TEST_LINK,
75};
76
77static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
78 "Register test (offline)",
79 "EEPROM test (offline)",
80 "Interrupt test (offline)",
81 "Loopback test (offline)",
82 "Link test (on/offline)",
83};
84
85#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
86
87/* These PF_STATs might look like duplicates of some NETDEV_STATs,
88 * but they aren't. This device is capable of supporting multiple
89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
90 * netdevs whereas the PF_STATs are for the physical function that's
91 * hosting these netdevs.
92 *
93 * The PF_STATs are appended to the netdev stats only when ethtool -S
94 * is queried on the base PF netdev.
95 */
96static const struct ice_stats ice_gstrings_pf_stats[] = {
97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
139 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
144};
145
146static const u32 ice_regs_dump_list[] = {
147 PFGEN_STATE,
148 PRTGEN_STATUS,
149 QRX_CTRL(0),
150 QINT_TQCTL(0),
151 QINT_RQCTL(0),
152 PFINT_OICR_ENA,
153 QRX_ITR(0),
154#define GLDCB_TLPM_PCI_DM 0x000A0180
155 GLDCB_TLPM_PCI_DM,
156#define GLDCB_TLPM_TC2PFC 0x000A0194
157 GLDCB_TLPM_TC2PFC,
158#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
159 TCDCB_TLPM_WAIT_DM(0),
160 TCDCB_TLPM_WAIT_DM(1),
161 TCDCB_TLPM_WAIT_DM(2),
162 TCDCB_TLPM_WAIT_DM(3),
163 TCDCB_TLPM_WAIT_DM(4),
164 TCDCB_TLPM_WAIT_DM(5),
165 TCDCB_TLPM_WAIT_DM(6),
166 TCDCB_TLPM_WAIT_DM(7),
167 TCDCB_TLPM_WAIT_DM(8),
168 TCDCB_TLPM_WAIT_DM(9),
169 TCDCB_TLPM_WAIT_DM(10),
170 TCDCB_TLPM_WAIT_DM(11),
171 TCDCB_TLPM_WAIT_DM(12),
172 TCDCB_TLPM_WAIT_DM(13),
173 TCDCB_TLPM_WAIT_DM(14),
174 TCDCB_TLPM_WAIT_DM(15),
175 TCDCB_TLPM_WAIT_DM(16),
176 TCDCB_TLPM_WAIT_DM(17),
177 TCDCB_TLPM_WAIT_DM(18),
178 TCDCB_TLPM_WAIT_DM(19),
179 TCDCB_TLPM_WAIT_DM(20),
180 TCDCB_TLPM_WAIT_DM(21),
181 TCDCB_TLPM_WAIT_DM(22),
182 TCDCB_TLPM_WAIT_DM(23),
183 TCDCB_TLPM_WAIT_DM(24),
184 TCDCB_TLPM_WAIT_DM(25),
185 TCDCB_TLPM_WAIT_DM(26),
186 TCDCB_TLPM_WAIT_DM(27),
187 TCDCB_TLPM_WAIT_DM(28),
188 TCDCB_TLPM_WAIT_DM(29),
189 TCDCB_TLPM_WAIT_DM(30),
190 TCDCB_TLPM_WAIT_DM(31),
191#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
192 GLPCI_WATMK_CLNT_PIPEMON,
193#define GLPCI_CUR_CLNT_COMMON 0x000BFD84
194 GLPCI_CUR_CLNT_COMMON,
195#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
196 GLPCI_CUR_CLNT_PIPEMON,
197#define GLPCI_PCIERR 0x0009DEB0
198 GLPCI_PCIERR,
199#define GLPSM_DEBUG_CTL_STATUS 0x000B0600
200 GLPSM_DEBUG_CTL_STATUS,
201#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
202 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
203#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
204 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
205#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
206 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
207#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
208 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
209#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
210 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
211#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
212 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
213#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
214 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
215#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
216 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
217#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
218 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
219#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
220 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
221#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
222 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
223#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
224 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
225#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
226 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
227#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
228 GLTDPU_TCLAN_COMP_BOB(1),
229 GLTDPU_TCLAN_COMP_BOB(2),
230 GLTDPU_TCLAN_COMP_BOB(3),
231 GLTDPU_TCLAN_COMP_BOB(4),
232 GLTDPU_TCLAN_COMP_BOB(5),
233 GLTDPU_TCLAN_COMP_BOB(6),
234 GLTDPU_TCLAN_COMP_BOB(7),
235 GLTDPU_TCLAN_COMP_BOB(8),
236#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
237 GLTDPU_TCB_CMD_BOB(1),
238 GLTDPU_TCB_CMD_BOB(2),
239 GLTDPU_TCB_CMD_BOB(3),
240 GLTDPU_TCB_CMD_BOB(4),
241 GLTDPU_TCB_CMD_BOB(5),
242 GLTDPU_TCB_CMD_BOB(6),
243 GLTDPU_TCB_CMD_BOB(7),
244 GLTDPU_TCB_CMD_BOB(8),
245#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
246 GLTDPU_PSM_UPDATE_BOB(1),
247 GLTDPU_PSM_UPDATE_BOB(2),
248 GLTDPU_PSM_UPDATE_BOB(3),
249 GLTDPU_PSM_UPDATE_BOB(4),
250 GLTDPU_PSM_UPDATE_BOB(5),
251 GLTDPU_PSM_UPDATE_BOB(6),
252 GLTDPU_PSM_UPDATE_BOB(7),
253 GLTDPU_PSM_UPDATE_BOB(8),
254#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
255 GLTCB_CMD_IN_BOB(1),
256 GLTCB_CMD_IN_BOB(2),
257 GLTCB_CMD_IN_BOB(3),
258 GLTCB_CMD_IN_BOB(4),
259 GLTCB_CMD_IN_BOB(5),
260 GLTCB_CMD_IN_BOB(6),
261 GLTCB_CMD_IN_BOB(7),
262 GLTCB_CMD_IN_BOB(8),
263#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
264 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
272#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
273 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
281#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
282 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
290#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
291 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
299#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
300 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
308#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
309 PRTDCB_TCUPM_REG_CM(0),
310 PRTDCB_TCUPM_REG_CM(1),
311 PRTDCB_TCUPM_REG_CM(2),
312 PRTDCB_TCUPM_REG_CM(3),
313#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
314 PRTDCB_TCUPM_REG_DM(0),
315 PRTDCB_TCUPM_REG_DM(1),
316 PRTDCB_TCUPM_REG_DM(2),
317 PRTDCB_TCUPM_REG_DM(3),
318#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
319 PRTDCB_TLPM_REG_DM(0),
320 PRTDCB_TLPM_REG_DM(1),
321 PRTDCB_TLPM_REG_DM(2),
322 PRTDCB_TLPM_REG_DM(3),
323};
324
325struct ice_priv_flag {
326 char name[ETH_GSTRING_LEN];
327 u32 bitno; /* bit position in pf->flags */
328};
329
330#define ICE_PRIV_FLAG(_name, _bitno) { \
331 .name = _name, \
332 .bitno = _bitno, \
333}
334
335static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
336 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
337 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
338 ICE_PRIV_FLAG("vf-true-promisc-support",
339 ICE_FLAG_VF_TRUE_PROMISC_ENA),
340 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
341 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
342 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
343};
344
345#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
346
347static void
348__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
349 struct ice_vsi *vsi)
350{
351 struct ice_pf *pf = vsi->back;
352 struct ice_hw *hw = &pf->hw;
353 struct ice_orom_info *orom;
354 struct ice_nvm_info *nvm;
355
356 nvm = &hw->flash.nvm;
357 orom = &hw->flash.orom;
358
359 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
360
361 /* Display NVM version (from which the firmware version can be
362 * determined) which contains more pertinent information.
363 */
364 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
365 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
366 nvm->eetrack, orom->major, orom->build, orom->patch);
367
368 strscpy(drvinfo->bus_info, pci_name(pf->pdev),
369 sizeof(drvinfo->bus_info));
370}
371
372static void
373ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
374{
375 struct ice_netdev_priv *np = netdev_priv(netdev);
376
377 __ice_get_drvinfo(netdev, drvinfo, np->vsi);
378 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
379}
380
381static int ice_get_regs_len(struct net_device __always_unused *netdev)
382{
383 return sizeof(ice_regs_dump_list);
384}
385
386static void
387ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
388{
389 struct ice_netdev_priv *np = netdev_priv(netdev);
390 struct ice_pf *pf = np->vsi->back;
391 struct ice_hw *hw = &pf->hw;
392 u32 *regs_buf = (u32 *)p;
393 unsigned int i;
394
395 regs->version = 1;
396
397 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
398 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
399}
400
401static u32 ice_get_msglevel(struct net_device *netdev)
402{
403 struct ice_netdev_priv *np = netdev_priv(netdev);
404 struct ice_pf *pf = np->vsi->back;
405
406#ifndef CONFIG_DYNAMIC_DEBUG
407 if (pf->hw.debug_mask)
408 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
409 pf->hw.debug_mask);
410#endif /* !CONFIG_DYNAMIC_DEBUG */
411
412 return pf->msg_enable;
413}
414
415static void ice_set_msglevel(struct net_device *netdev, u32 data)
416{
417 struct ice_netdev_priv *np = netdev_priv(netdev);
418 struct ice_pf *pf = np->vsi->back;
419
420#ifndef CONFIG_DYNAMIC_DEBUG
421 if (ICE_DBG_USER & data)
422 pf->hw.debug_mask = data;
423 else
424 pf->msg_enable = data;
425#else
426 pf->msg_enable = data;
427#endif /* !CONFIG_DYNAMIC_DEBUG */
428}
429
430static int ice_get_eeprom_len(struct net_device *netdev)
431{
432 struct ice_netdev_priv *np = netdev_priv(netdev);
433 struct ice_pf *pf = np->vsi->back;
434
435 return (int)pf->hw.flash.flash_size;
436}
437
438static int
439ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
440 u8 *bytes)
441{
442 struct ice_netdev_priv *np = netdev_priv(netdev);
443 struct ice_vsi *vsi = np->vsi;
444 struct ice_pf *pf = vsi->back;
445 struct ice_hw *hw = &pf->hw;
446 struct device *dev;
447 int ret;
448 u8 *buf;
449
450 dev = ice_pf_to_dev(pf);
451
452 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
453 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
454 eeprom->cmd, eeprom->offset, eeprom->len);
455
456 buf = kzalloc(eeprom->len, GFP_KERNEL);
457 if (!buf)
458 return -ENOMEM;
459
460 ret = ice_acquire_nvm(hw, ICE_RES_READ);
461 if (ret) {
462 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
463 ret, ice_aq_str(hw->adminq.sq_last_status));
464 goto out;
465 }
466
467 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
468 false);
469 if (ret) {
470 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
471 ret, ice_aq_str(hw->adminq.sq_last_status));
472 goto release;
473 }
474
475 memcpy(bytes, buf, eeprom->len);
476release:
477 ice_release_nvm(hw);
478out:
479 kfree(buf);
480 return ret;
481}
482
483/**
484 * ice_active_vfs - check if there are any active VFs
485 * @pf: board private structure
486 *
487 * Returns true if an active VF is found, otherwise returns false
488 */
489static bool ice_active_vfs(struct ice_pf *pf)
490{
491 bool active = false;
492 struct ice_vf *vf;
493 unsigned int bkt;
494
495 rcu_read_lock();
496 ice_for_each_vf_rcu(pf, bkt, vf) {
497 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
498 active = true;
499 break;
500 }
501 }
502 rcu_read_unlock();
503
504 return active;
505}
506
507/**
508 * ice_link_test - perform a link test on a given net_device
509 * @netdev: network interface device structure
510 *
511 * This function performs one of the self-tests required by ethtool.
512 * Returns 0 on success, non-zero on failure.
513 */
514static u64 ice_link_test(struct net_device *netdev)
515{
516 struct ice_netdev_priv *np = netdev_priv(netdev);
517 bool link_up = false;
518 int status;
519
520 netdev_info(netdev, "link test\n");
521 status = ice_get_link_status(np->vsi->port_info, &link_up);
522 if (status) {
523 netdev_err(netdev, "link query error, status = %d\n",
524 status);
525 return 1;
526 }
527
528 if (!link_up)
529 return 2;
530
531 return 0;
532}
533
534/**
535 * ice_eeprom_test - perform an EEPROM test on a given net_device
536 * @netdev: network interface device structure
537 *
538 * This function performs one of the self-tests required by ethtool.
539 * Returns 0 on success, non-zero on failure.
540 */
541static u64 ice_eeprom_test(struct net_device *netdev)
542{
543 struct ice_netdev_priv *np = netdev_priv(netdev);
544 struct ice_pf *pf = np->vsi->back;
545
546 netdev_info(netdev, "EEPROM test\n");
547 return !!(ice_nvm_validate_checksum(&pf->hw));
548}
549
550/**
551 * ice_reg_pattern_test
552 * @hw: pointer to the HW struct
553 * @reg: reg to be tested
554 * @mask: bits to be touched
555 */
556static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
557{
558 struct ice_pf *pf = (struct ice_pf *)hw->back;
559 struct device *dev = ice_pf_to_dev(pf);
560 static const u32 patterns[] = {
561 0x5A5A5A5A, 0xA5A5A5A5,
562 0x00000000, 0xFFFFFFFF
563 };
564 u32 val, orig_val;
565 unsigned int i;
566
567 orig_val = rd32(hw, reg);
568 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
569 u32 pattern = patterns[i] & mask;
570
571 wr32(hw, reg, pattern);
572 val = rd32(hw, reg);
573 if (val == pattern)
574 continue;
575 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
576 , __func__, reg, pattern, val);
577 return 1;
578 }
579
580 wr32(hw, reg, orig_val);
581 val = rd32(hw, reg);
582 if (val != orig_val) {
583 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
584 , __func__, reg, orig_val, val);
585 return 1;
586 }
587
588 return 0;
589}
590
591/**
592 * ice_reg_test - perform a register test on a given net_device
593 * @netdev: network interface device structure
594 *
595 * This function performs one of the self-tests required by ethtool.
596 * Returns 0 on success, non-zero on failure.
597 */
598static u64 ice_reg_test(struct net_device *netdev)
599{
600 struct ice_netdev_priv *np = netdev_priv(netdev);
601 struct ice_hw *hw = np->vsi->port_info->hw;
602 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
603 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
604 struct ice_diag_reg_test_info {
605 u32 address;
606 u32 mask;
607 u32 elem_num;
608 u32 elem_size;
609 } ice_reg_list[] = {
610 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
611 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
612 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
613 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
614 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
615 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
616 {GLINT_CTL, 0xffff0001, 1, 0}
617 };
618 unsigned int i;
619
620 netdev_dbg(netdev, "Register test\n");
621 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
622 u32 j;
623
624 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
625 u32 mask = ice_reg_list[i].mask;
626 u32 reg = ice_reg_list[i].address +
627 (j * ice_reg_list[i].elem_size);
628
629 /* bail on failure (non-zero return) */
630 if (ice_reg_pattern_test(hw, reg, mask))
631 return 1;
632 }
633 }
634
635 return 0;
636}
637
638/**
639 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
640 * @vsi: pointer to the VSI structure
641 *
642 * Function configures rings of a VSI for loopback test without
643 * enabling interrupts or informing the kernel about new queues.
644 *
645 * Returns 0 on success, negative on failure.
646 */
647static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
648{
649 int status;
650
651 status = ice_vsi_setup_tx_rings(vsi);
652 if (status)
653 goto err_setup_tx_ring;
654
655 status = ice_vsi_setup_rx_rings(vsi);
656 if (status)
657 goto err_setup_rx_ring;
658
659 status = ice_vsi_cfg(vsi);
660 if (status)
661 goto err_setup_rx_ring;
662
663 status = ice_vsi_start_all_rx_rings(vsi);
664 if (status)
665 goto err_start_rx_ring;
666
667 return status;
668
669err_start_rx_ring:
670 ice_vsi_free_rx_rings(vsi);
671err_setup_rx_ring:
672 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
673err_setup_tx_ring:
674 ice_vsi_free_tx_rings(vsi);
675
676 return status;
677}
678
679/**
680 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
681 * @vsi: pointer to the VSI structure
682 *
683 * Function stops and frees VSI rings after a loopback test.
684 * Returns 0 on success, negative on failure.
685 */
686static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
687{
688 int status;
689
690 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
691 if (status)
692 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
693 vsi->vsi_num, status);
694
695 status = ice_vsi_stop_all_rx_rings(vsi);
696 if (status)
697 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
698 vsi->vsi_num, status);
699
700 ice_vsi_free_tx_rings(vsi);
701 ice_vsi_free_rx_rings(vsi);
702
703 return status;
704}
705
706/**
707 * ice_lbtest_create_frame - create test packet
708 * @pf: pointer to the PF structure
709 * @ret_data: allocated frame buffer
710 * @size: size of the packet data
711 *
712 * Function allocates a frame with a test pattern on specific offsets.
713 * Returns 0 on success, non-zero on failure.
714 */
715static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
716{
717 u8 *data;
718
719 if (!pf)
720 return -EINVAL;
721
722 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
723 if (!data)
724 return -ENOMEM;
725
726 /* Since the ethernet test frame should always be at least
727 * 64 bytes long, fill some octets in the payload with test data.
728 */
729 memset(data, 0xFF, size);
730 data[32] = 0xDE;
731 data[42] = 0xAD;
732 data[44] = 0xBE;
733 data[46] = 0xEF;
734
735 *ret_data = data;
736
737 return 0;
738}
739
740/**
741 * ice_lbtest_check_frame - verify received loopback frame
742 * @frame: pointer to the raw packet data
743 *
744 * Function verifies received test frame with a pattern.
745 * Returns true if frame matches the pattern, false otherwise.
746 */
747static bool ice_lbtest_check_frame(u8 *frame)
748{
749 /* Validate bytes of a frame under offsets chosen earlier */
750 if (frame[32] == 0xDE &&
751 frame[42] == 0xAD &&
752 frame[44] == 0xBE &&
753 frame[46] == 0xEF &&
754 frame[48] == 0xFF)
755 return true;
756
757 return false;
758}
759
760/**
761 * ice_diag_send - send test frames to the test ring
762 * @tx_ring: pointer to the transmit ring
763 * @data: pointer to the raw packet data
764 * @size: size of the packet to send
765 *
766 * Function sends loopback packets on a test Tx ring.
767 */
768static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
769{
770 struct ice_tx_desc *tx_desc;
771 struct ice_tx_buf *tx_buf;
772 dma_addr_t dma;
773 u64 td_cmd;
774
775 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
776 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
777
778 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
779 if (dma_mapping_error(tx_ring->dev, dma))
780 return -EINVAL;
781
782 tx_desc->buf_addr = cpu_to_le64(dma);
783
784 /* These flags are required for a descriptor to be pushed out */
785 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
786 tx_desc->cmd_type_offset_bsz =
787 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
788 (td_cmd << ICE_TXD_QW1_CMD_S) |
789 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
790 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
791 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
792
793 tx_buf->next_to_watch = tx_desc;
794
795 /* Force memory write to complete before letting h/w know
796 * there are new descriptors to fetch.
797 */
798 wmb();
799
800 tx_ring->next_to_use++;
801 if (tx_ring->next_to_use >= tx_ring->count)
802 tx_ring->next_to_use = 0;
803
804 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
805
806 /* Wait until the packets get transmitted to the receive queue. */
807 usleep_range(1000, 2000);
808 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
809
810 return 0;
811}
812
813#define ICE_LB_FRAME_SIZE 64
814/**
815 * ice_lbtest_receive_frames - receive and verify test frames
816 * @rx_ring: pointer to the receive ring
817 *
818 * Function receives loopback packets and verify their correctness.
819 * Returns number of received valid frames.
820 */
821static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
822{
823 struct ice_rx_buf *rx_buf;
824 int valid_frames, i;
825 u8 *received_buf;
826
827 valid_frames = 0;
828
829 for (i = 0; i < rx_ring->count; i++) {
830 union ice_32b_rx_flex_desc *rx_desc;
831
832 rx_desc = ICE_RX_DESC(rx_ring, i);
833
834 if (!(rx_desc->wb.status_error0 &
835 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
836 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
837 continue;
838
839 rx_buf = &rx_ring->rx_buf[i];
840 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
841
842 if (ice_lbtest_check_frame(received_buf))
843 valid_frames++;
844 }
845
846 return valid_frames;
847}
848
849/**
850 * ice_loopback_test - perform a loopback test on a given net_device
851 * @netdev: network interface device structure
852 *
853 * This function performs one of the self-tests required by ethtool.
854 * Returns 0 on success, non-zero on failure.
855 */
856static u64 ice_loopback_test(struct net_device *netdev)
857{
858 struct ice_netdev_priv *np = netdev_priv(netdev);
859 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
860 struct ice_pf *pf = orig_vsi->back;
861 u8 broadcast[ETH_ALEN], ret = 0;
862 int num_frames, valid_frames;
863 struct ice_tx_ring *tx_ring;
864 struct ice_rx_ring *rx_ring;
865 struct device *dev;
866 u8 *tx_frame;
867 int i;
868
869 dev = ice_pf_to_dev(pf);
870 netdev_info(netdev, "loopback test\n");
871
872 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
873 if (!test_vsi) {
874 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
875 return 1;
876 }
877
878 test_vsi->netdev = netdev;
879 tx_ring = test_vsi->tx_rings[0];
880 rx_ring = test_vsi->rx_rings[0];
881
882 if (ice_lbtest_prepare_rings(test_vsi)) {
883 ret = 2;
884 goto lbtest_vsi_close;
885 }
886
887 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
888 ret = 3;
889 goto lbtest_rings_dis;
890 }
891
892 /* Enable MAC loopback in firmware */
893 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
894 ret = 4;
895 goto lbtest_mac_dis;
896 }
897
898 /* Test VSI needs to receive broadcast packets */
899 eth_broadcast_addr(broadcast);
900 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
901 ret = 5;
902 goto lbtest_mac_dis;
903 }
904
905 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
906 ret = 7;
907 goto remove_mac_filters;
908 }
909
910 num_frames = min_t(int, tx_ring->count, 32);
911 for (i = 0; i < num_frames; i++) {
912 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
913 ret = 8;
914 goto lbtest_free_frame;
915 }
916 }
917
918 valid_frames = ice_lbtest_receive_frames(rx_ring);
919 if (!valid_frames)
920 ret = 9;
921 else if (valid_frames != num_frames)
922 ret = 10;
923
924lbtest_free_frame:
925 devm_kfree(dev, tx_frame);
926remove_mac_filters:
927 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
928 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
929lbtest_mac_dis:
930 /* Disable MAC loopback after the test is completed. */
931 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
932 netdev_err(netdev, "Could not disable MAC loopback\n");
933lbtest_rings_dis:
934 if (ice_lbtest_disable_rings(test_vsi))
935 netdev_err(netdev, "Could not disable test rings\n");
936lbtest_vsi_close:
937 test_vsi->netdev = NULL;
938 if (ice_vsi_release(test_vsi))
939 netdev_err(netdev, "Failed to remove the test VSI\n");
940
941 return ret;
942}
943
944/**
945 * ice_intr_test - perform an interrupt test on a given net_device
946 * @netdev: network interface device structure
947 *
948 * This function performs one of the self-tests required by ethtool.
949 * Returns 0 on success, non-zero on failure.
950 */
951static u64 ice_intr_test(struct net_device *netdev)
952{
953 struct ice_netdev_priv *np = netdev_priv(netdev);
954 struct ice_pf *pf = np->vsi->back;
955 u16 swic_old = pf->sw_int_count;
956
957 netdev_info(netdev, "interrupt test\n");
958
959 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
960 GLINT_DYN_CTL_SW_ITR_INDX_M |
961 GLINT_DYN_CTL_INTENA_MSK_M |
962 GLINT_DYN_CTL_SWINT_TRIG_M);
963
964 usleep_range(1000, 2000);
965 return (swic_old == pf->sw_int_count);
966}
967
968/**
969 * ice_self_test - handler function for performing a self-test by ethtool
970 * @netdev: network interface device structure
971 * @eth_test: ethtool_test structure
972 * @data: required by ethtool.self_test
973 *
974 * This function is called after invoking 'ethtool -t devname' command where
975 * devname is the name of the network device on which ethtool should operate.
976 * It performs a set of self-tests to check if a device works properly.
977 */
978static void
979ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
980 u64 *data)
981{
982 struct ice_netdev_priv *np = netdev_priv(netdev);
983 bool if_running = netif_running(netdev);
984 struct ice_pf *pf = np->vsi->back;
985 struct device *dev;
986
987 dev = ice_pf_to_dev(pf);
988
989 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
990 netdev_info(netdev, "offline testing starting\n");
991
992 set_bit(ICE_TESTING, pf->state);
993
994 if (ice_active_vfs(pf)) {
995 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
996 data[ICE_ETH_TEST_REG] = 1;
997 data[ICE_ETH_TEST_EEPROM] = 1;
998 data[ICE_ETH_TEST_INTR] = 1;
999 data[ICE_ETH_TEST_LOOP] = 1;
1000 data[ICE_ETH_TEST_LINK] = 1;
1001 eth_test->flags |= ETH_TEST_FL_FAILED;
1002 clear_bit(ICE_TESTING, pf->state);
1003 goto skip_ol_tests;
1004 }
1005 /* If the device is online then take it offline */
1006 if (if_running)
1007 /* indicate we're in test mode */
1008 ice_stop(netdev);
1009
1010 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1011 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1012 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1013 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1014 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1015
1016 if (data[ICE_ETH_TEST_LINK] ||
1017 data[ICE_ETH_TEST_EEPROM] ||
1018 data[ICE_ETH_TEST_LOOP] ||
1019 data[ICE_ETH_TEST_INTR] ||
1020 data[ICE_ETH_TEST_REG])
1021 eth_test->flags |= ETH_TEST_FL_FAILED;
1022
1023 clear_bit(ICE_TESTING, pf->state);
1024
1025 if (if_running) {
1026 int status = ice_open(netdev);
1027
1028 if (status) {
1029 dev_err(dev, "Could not open device %s, err %d\n",
1030 pf->int_name, status);
1031 }
1032 }
1033 } else {
1034 /* Online tests */
1035 netdev_info(netdev, "online testing starting\n");
1036
1037 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1038 if (data[ICE_ETH_TEST_LINK])
1039 eth_test->flags |= ETH_TEST_FL_FAILED;
1040
1041 /* Offline only tests, not run in online; pass by default */
1042 data[ICE_ETH_TEST_REG] = 0;
1043 data[ICE_ETH_TEST_EEPROM] = 0;
1044 data[ICE_ETH_TEST_INTR] = 0;
1045 data[ICE_ETH_TEST_LOOP] = 0;
1046 }
1047
1048skip_ol_tests:
1049 netdev_info(netdev, "testing finished\n");
1050}
1051
1052static void
1053__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1054 struct ice_vsi *vsi)
1055{
1056 unsigned int i;
1057 u8 *p = data;
1058
1059 switch (stringset) {
1060 case ETH_SS_STATS:
1061 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1062 ethtool_sprintf(&p,
1063 ice_gstrings_vsi_stats[i].stat_string);
1064
1065 if (ice_is_port_repr_netdev(netdev))
1066 return;
1067
1068 ice_for_each_alloc_txq(vsi, i) {
1069 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1070 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1071 }
1072
1073 ice_for_each_alloc_rxq(vsi, i) {
1074 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1075 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1076 }
1077
1078 if (vsi->type != ICE_VSI_PF)
1079 return;
1080
1081 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1082 ethtool_sprintf(&p,
1083 ice_gstrings_pf_stats[i].stat_string);
1084
1085 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1086 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1087 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1088 }
1089 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1090 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1091 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1092 }
1093 break;
1094 case ETH_SS_TEST:
1095 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1096 break;
1097 case ETH_SS_PRIV_FLAGS:
1098 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1099 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
1100 break;
1101 default:
1102 break;
1103 }
1104}
1105
1106static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1107{
1108 struct ice_netdev_priv *np = netdev_priv(netdev);
1109
1110 __ice_get_strings(netdev, stringset, data, np->vsi);
1111}
1112
1113static int
1114ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1115{
1116 struct ice_netdev_priv *np = netdev_priv(netdev);
1117 bool led_active;
1118
1119 switch (state) {
1120 case ETHTOOL_ID_ACTIVE:
1121 led_active = true;
1122 break;
1123 case ETHTOOL_ID_INACTIVE:
1124 led_active = false;
1125 break;
1126 default:
1127 return -EINVAL;
1128 }
1129
1130 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1131 return -EIO;
1132
1133 return 0;
1134}
1135
1136/**
1137 * ice_set_fec_cfg - Set link FEC options
1138 * @netdev: network interface device structure
1139 * @req_fec: FEC mode to configure
1140 */
1141static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1142{
1143 struct ice_netdev_priv *np = netdev_priv(netdev);
1144 struct ice_aqc_set_phy_cfg_data config = { 0 };
1145 struct ice_vsi *vsi = np->vsi;
1146 struct ice_port_info *pi;
1147
1148 pi = vsi->port_info;
1149 if (!pi)
1150 return -EOPNOTSUPP;
1151
1152 /* Changing the FEC parameters is not supported if not the PF VSI */
1153 if (vsi->type != ICE_VSI_PF) {
1154 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1155 return -EOPNOTSUPP;
1156 }
1157
1158 /* Proceed only if requesting different FEC mode */
1159 if (pi->phy.curr_user_fec_req == req_fec)
1160 return 0;
1161
1162 /* Copy the current user PHY configuration. The current user PHY
1163 * configuration is initialized during probe from PHY capabilities
1164 * software mode, and updated on set PHY configuration.
1165 */
1166 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1167
1168 ice_cfg_phy_fec(pi, &config, req_fec);
1169 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1170
1171 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1172 return -EAGAIN;
1173
1174 /* Save requested FEC config */
1175 pi->phy.curr_user_fec_req = req_fec;
1176
1177 return 0;
1178}
1179
1180/**
1181 * ice_set_fecparam - Set FEC link options
1182 * @netdev: network interface device structure
1183 * @fecparam: Ethtool structure to retrieve FEC parameters
1184 */
1185static int
1186ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1187{
1188 struct ice_netdev_priv *np = netdev_priv(netdev);
1189 struct ice_vsi *vsi = np->vsi;
1190 enum ice_fec_mode fec;
1191
1192 switch (fecparam->fec) {
1193 case ETHTOOL_FEC_AUTO:
1194 fec = ICE_FEC_AUTO;
1195 break;
1196 case ETHTOOL_FEC_RS:
1197 fec = ICE_FEC_RS;
1198 break;
1199 case ETHTOOL_FEC_BASER:
1200 fec = ICE_FEC_BASER;
1201 break;
1202 case ETHTOOL_FEC_OFF:
1203 case ETHTOOL_FEC_NONE:
1204 fec = ICE_FEC_NONE;
1205 break;
1206 default:
1207 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1208 fecparam->fec);
1209 return -EINVAL;
1210 }
1211
1212 return ice_set_fec_cfg(netdev, fec);
1213}
1214
1215/**
1216 * ice_get_fecparam - Get link FEC options
1217 * @netdev: network interface device structure
1218 * @fecparam: Ethtool structure to retrieve FEC parameters
1219 */
1220static int
1221ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1222{
1223 struct ice_netdev_priv *np = netdev_priv(netdev);
1224 struct ice_aqc_get_phy_caps_data *caps;
1225 struct ice_link_status *link_info;
1226 struct ice_vsi *vsi = np->vsi;
1227 struct ice_port_info *pi;
1228 int err;
1229
1230 pi = vsi->port_info;
1231
1232 if (!pi)
1233 return -EOPNOTSUPP;
1234 link_info = &pi->phy.link_info;
1235
1236 /* Set FEC mode based on negotiated link info */
1237 switch (link_info->fec_info) {
1238 case ICE_AQ_LINK_25G_KR_FEC_EN:
1239 fecparam->active_fec = ETHTOOL_FEC_BASER;
1240 break;
1241 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1242 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1243 fecparam->active_fec = ETHTOOL_FEC_RS;
1244 break;
1245 default:
1246 fecparam->active_fec = ETHTOOL_FEC_OFF;
1247 break;
1248 }
1249
1250 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1251 if (!caps)
1252 return -ENOMEM;
1253
1254 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1255 caps, NULL);
1256 if (err)
1257 goto done;
1258
1259 /* Set supported/configured FEC modes based on PHY capability */
1260 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1261 fecparam->fec |= ETHTOOL_FEC_AUTO;
1262 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1263 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1264 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1265 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1266 fecparam->fec |= ETHTOOL_FEC_BASER;
1267 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1268 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1269 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1270 fecparam->fec |= ETHTOOL_FEC_RS;
1271 if (caps->link_fec_options == 0)
1272 fecparam->fec |= ETHTOOL_FEC_OFF;
1273
1274done:
1275 kfree(caps);
1276 return err;
1277}
1278
1279/**
1280 * ice_nway_reset - restart autonegotiation
1281 * @netdev: network interface device structure
1282 */
1283static int ice_nway_reset(struct net_device *netdev)
1284{
1285 struct ice_netdev_priv *np = netdev_priv(netdev);
1286 struct ice_vsi *vsi = np->vsi;
1287 int err;
1288
1289 /* If VSI state is up, then restart autoneg with link up */
1290 if (!test_bit(ICE_DOWN, vsi->back->state))
1291 err = ice_set_link(vsi, true);
1292 else
1293 err = ice_set_link(vsi, false);
1294
1295 return err;
1296}
1297
1298/**
1299 * ice_get_priv_flags - report device private flags
1300 * @netdev: network interface device structure
1301 *
1302 * The get string set count and the string set should be matched for each
1303 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1304 * array.
1305 *
1306 * Returns a u32 bitmap of flags.
1307 */
1308static u32 ice_get_priv_flags(struct net_device *netdev)
1309{
1310 struct ice_netdev_priv *np = netdev_priv(netdev);
1311 struct ice_vsi *vsi = np->vsi;
1312 struct ice_pf *pf = vsi->back;
1313 u32 i, ret_flags = 0;
1314
1315 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1316 const struct ice_priv_flag *priv_flag;
1317
1318 priv_flag = &ice_gstrings_priv_flags[i];
1319
1320 if (test_bit(priv_flag->bitno, pf->flags))
1321 ret_flags |= BIT(i);
1322 }
1323
1324 return ret_flags;
1325}
1326
1327/**
1328 * ice_set_priv_flags - set private flags
1329 * @netdev: network interface device structure
1330 * @flags: bit flags to be set
1331 */
1332static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1333{
1334 struct ice_netdev_priv *np = netdev_priv(netdev);
1335 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1336 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1337 struct ice_vsi *vsi = np->vsi;
1338 struct ice_pf *pf = vsi->back;
1339 struct device *dev;
1340 int ret = 0;
1341 u32 i;
1342
1343 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1344 return -EINVAL;
1345
1346 dev = ice_pf_to_dev(pf);
1347 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1348
1349 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1350 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1351 const struct ice_priv_flag *priv_flag;
1352
1353 priv_flag = &ice_gstrings_priv_flags[i];
1354
1355 if (flags & BIT(i))
1356 set_bit(priv_flag->bitno, pf->flags);
1357 else
1358 clear_bit(priv_flag->bitno, pf->flags);
1359 }
1360
1361 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1362
1363 /* Do not allow change to link-down-on-close when Total Port Shutdown
1364 * is enabled.
1365 */
1366 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1367 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1368 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1369 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1370 ret = -EINVAL;
1371 goto ethtool_exit;
1372 }
1373
1374 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1375 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1376 int status;
1377
1378 /* Disable FW LLDP engine */
1379 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1380
1381 /* If unregistering for LLDP events fails, this is
1382 * not an error state, as there shouldn't be any
1383 * events to respond to.
1384 */
1385 if (status)
1386 dev_info(dev, "Failed to unreg for LLDP events\n");
1387
1388 /* The AQ call to stop the FW LLDP agent will generate
1389 * an error if the agent is already stopped.
1390 */
1391 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1392 if (status)
1393 dev_warn(dev, "Fail to stop LLDP agent\n");
1394 /* Use case for having the FW LLDP agent stopped
1395 * will likely not need DCB, so failure to init is
1396 * not a concern of ethtool
1397 */
1398 status = ice_init_pf_dcb(pf, true);
1399 if (status)
1400 dev_warn(dev, "Fail to init DCB\n");
1401
1402 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1403 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1404 } else {
1405 bool dcbx_agent_status;
1406 int status;
1407
1408 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1409 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1410 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1411 ret = -EOPNOTSUPP;
1412 goto ethtool_exit;
1413 }
1414
1415 /* Remove rule to direct LLDP packets to default VSI.
1416 * The FW LLDP engine will now be consuming them.
1417 */
1418 ice_cfg_sw_lldp(vsi, false, false);
1419
1420 /* AQ command to start FW LLDP agent will return an
1421 * error if the agent is already started
1422 */
1423 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1424 if (status)
1425 dev_warn(dev, "Fail to start LLDP Agent\n");
1426
1427 /* AQ command to start FW DCBX agent will fail if
1428 * the agent is already started
1429 */
1430 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1431 &dcbx_agent_status,
1432 NULL);
1433 if (status)
1434 dev_dbg(dev, "Failed to start FW DCBX\n");
1435
1436 dev_info(dev, "FW DCBX agent is %s\n",
1437 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1438
1439 /* Failure to configure MIB change or init DCB is not
1440 * relevant to ethtool. Print notification that
1441 * registration/init failed but do not return error
1442 * state to ethtool
1443 */
1444 status = ice_init_pf_dcb(pf, true);
1445 if (status)
1446 dev_dbg(dev, "Fail to init DCB\n");
1447
1448 /* Register for MIB change events */
1449 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1450 if (status)
1451 dev_dbg(dev, "Fail to enable MIB change events\n");
1452
1453 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1454 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1455
1456 ice_nway_reset(netdev);
1457 }
1458 }
1459 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1460 /* down and up VSI so that changes of Rx cfg are reflected. */
1461 ice_down_up(vsi);
1462 }
1463 /* don't allow modification of this flag when a single VF is in
1464 * promiscuous mode because it's not supported
1465 */
1466 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1467 ice_is_any_vf_in_unicast_promisc(pf)) {
1468 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1469 /* toggle bit back to previous state */
1470 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1471 ret = -EAGAIN;
1472 }
1473
1474 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1475 ice_has_vfs(pf)) {
1476 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1477 /* toggle bit back to previous state */
1478 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1479 ret = -EOPNOTSUPP;
1480 }
1481ethtool_exit:
1482 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1483 return ret;
1484}
1485
1486static int ice_get_sset_count(struct net_device *netdev, int sset)
1487{
1488 switch (sset) {
1489 case ETH_SS_STATS:
1490 /* The number (and order) of strings reported *must* remain
1491 * constant for a given netdevice. This function must not
1492 * report a different number based on run time parameters
1493 * (such as the number of queues in use, or the setting of
1494 * a private ethtool flag). This is due to the nature of the
1495 * ethtool stats API.
1496 *
1497 * Userspace programs such as ethtool must make 3 separate
1498 * ioctl requests, one for size, one for the strings, and
1499 * finally one for the stats. Since these cross into
1500 * userspace, changes to the number or size could result in
1501 * undefined memory access or incorrect string<->value
1502 * correlations for statistics.
1503 *
1504 * Even if it appears to be safe, changes to the size or
1505 * order of strings will suffer from race conditions and are
1506 * not safe.
1507 */
1508 return ICE_ALL_STATS_LEN(netdev);
1509 case ETH_SS_TEST:
1510 return ICE_TEST_LEN;
1511 case ETH_SS_PRIV_FLAGS:
1512 return ICE_PRIV_FLAG_ARRAY_SIZE;
1513 default:
1514 return -EOPNOTSUPP;
1515 }
1516}
1517
1518static void
1519__ice_get_ethtool_stats(struct net_device *netdev,
1520 struct ethtool_stats __always_unused *stats, u64 *data,
1521 struct ice_vsi *vsi)
1522{
1523 struct ice_pf *pf = vsi->back;
1524 struct ice_tx_ring *tx_ring;
1525 struct ice_rx_ring *rx_ring;
1526 unsigned int j;
1527 int i = 0;
1528 char *p;
1529
1530 ice_update_pf_stats(pf);
1531 ice_update_vsi_stats(vsi);
1532
1533 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1534 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1535 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1536 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1537 }
1538
1539 if (ice_is_port_repr_netdev(netdev))
1540 return;
1541
1542 /* populate per queue stats */
1543 rcu_read_lock();
1544
1545 ice_for_each_alloc_txq(vsi, j) {
1546 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1547 if (tx_ring && tx_ring->ring_stats) {
1548 data[i++] = tx_ring->ring_stats->stats.pkts;
1549 data[i++] = tx_ring->ring_stats->stats.bytes;
1550 } else {
1551 data[i++] = 0;
1552 data[i++] = 0;
1553 }
1554 }
1555
1556 ice_for_each_alloc_rxq(vsi, j) {
1557 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1558 if (rx_ring && rx_ring->ring_stats) {
1559 data[i++] = rx_ring->ring_stats->stats.pkts;
1560 data[i++] = rx_ring->ring_stats->stats.bytes;
1561 } else {
1562 data[i++] = 0;
1563 data[i++] = 0;
1564 }
1565 }
1566
1567 rcu_read_unlock();
1568
1569 if (vsi->type != ICE_VSI_PF)
1570 return;
1571
1572 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1573 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1574 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1575 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1576 }
1577
1578 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1579 data[i++] = pf->stats.priority_xon_tx[j];
1580 data[i++] = pf->stats.priority_xoff_tx[j];
1581 }
1582
1583 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1584 data[i++] = pf->stats.priority_xon_rx[j];
1585 data[i++] = pf->stats.priority_xoff_rx[j];
1586 }
1587}
1588
1589static void
1590ice_get_ethtool_stats(struct net_device *netdev,
1591 struct ethtool_stats __always_unused *stats, u64 *data)
1592{
1593 struct ice_netdev_priv *np = netdev_priv(netdev);
1594
1595 __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1596}
1597
1598#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
1599 ICE_PHY_TYPE_LOW_100M_SGMII)
1600
1601#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1602 ICE_PHY_TYPE_LOW_1000BASE_T | \
1603 ICE_PHY_TYPE_LOW_1000BASE_SX | \
1604 ICE_PHY_TYPE_LOW_1000BASE_LX | \
1605 ICE_PHY_TYPE_LOW_1000BASE_KX | \
1606 ICE_PHY_TYPE_LOW_1G_SGMII | \
1607 ICE_PHY_TYPE_LOW_2500BASE_T | \
1608 ICE_PHY_TYPE_LOW_2500BASE_X | \
1609 ICE_PHY_TYPE_LOW_2500BASE_KX | \
1610 ICE_PHY_TYPE_LOW_5GBASE_T | \
1611 ICE_PHY_TYPE_LOW_5GBASE_KR | \
1612 ICE_PHY_TYPE_LOW_10GBASE_T | \
1613 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1614 ICE_PHY_TYPE_LOW_10GBASE_SR | \
1615 ICE_PHY_TYPE_LOW_10GBASE_LR | \
1616 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1617 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1618 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1619
1620#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1621 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1622 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1623 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1624 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1625 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1626 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1627 ICE_PHY_TYPE_LOW_100G_AUI4 | \
1628 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1629 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1630 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1631 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1632 ICE_PHY_TYPE_LOW_100GBASE_DR)
1633
1634#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1635 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1636 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1637 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1638 ICE_PHY_TYPE_HIGH_100G_AUI2)
1639
1640/**
1641 * ice_mask_min_supported_speeds
1642 * @hw: pointer to the HW structure
1643 * @phy_types_high: PHY type high
1644 * @phy_types_low: PHY type low to apply minimum supported speeds mask
1645 *
1646 * Apply minimum supported speeds mask to PHY type low. These are the speeds
1647 * for ethtool supported link mode.
1648 */
1649static void
1650ice_mask_min_supported_speeds(struct ice_hw *hw,
1651 u64 phy_types_high, u64 *phy_types_low)
1652{
1653 /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1654 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
1655 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
1656 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1657 else if (!ice_is_100m_speed_supported(hw))
1658 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1659}
1660
1661#define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \
1662 do { \
1663 if (req_speeds & (aq_link_speed) || \
1664 (!req_speeds && \
1665 (advert_phy_type_lo & phy_type_mask_lo || \
1666 advert_phy_type_hi & phy_type_mask_hi))) \
1667 ethtool_link_ksettings_add_link_mode(ks, advertising,\
1668 ethtool_link_mode); \
1669 } while (0)
1670
1671/**
1672 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1673 * @netdev: network interface device structure
1674 * @ks: ethtool link ksettings struct to fill out
1675 */
1676static void
1677ice_phy_type_to_ethtool(struct net_device *netdev,
1678 struct ethtool_link_ksettings *ks)
1679{
1680 struct ice_netdev_priv *np = netdev_priv(netdev);
1681 struct ice_vsi *vsi = np->vsi;
1682 struct ice_pf *pf = vsi->back;
1683 u64 advert_phy_type_lo = 0;
1684 u64 advert_phy_type_hi = 0;
1685 u64 phy_type_mask_lo = 0;
1686 u64 phy_type_mask_hi = 0;
1687 u64 phy_types_high = 0;
1688 u64 phy_types_low = 0;
1689 u16 req_speeds;
1690
1691 req_speeds = vsi->port_info->phy.link_info.req_speeds;
1692
1693 /* Check if lenient mode is supported and enabled, or in strict mode.
1694 *
1695 * In lenient mode the Supported link modes are the PHY types without
1696 * media. The Advertising link mode is either 1. the user requested
1697 * speed, 2. the override PHY mask, or 3. the PHY types with media.
1698 *
1699 * In strict mode Supported link mode are the PHY type with media,
1700 * and Advertising link modes are the media PHY type or the speed
1701 * requested by user.
1702 */
1703 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1704 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1705 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1706
1707 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1708 &phy_types_low);
1709 /* determine advertised modes based on link override only
1710 * if it's supported and if the FW doesn't abstract the
1711 * driver from having to account for link overrides
1712 */
1713 if (ice_fw_supports_link_override(&pf->hw) &&
1714 !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1715 struct ice_link_default_override_tlv *ldo;
1716
1717 ldo = &pf->link_dflt_override;
1718 /* If override enabled and PHY mask set, then
1719 * Advertising link mode is the intersection of the PHY
1720 * types without media and the override PHY mask.
1721 */
1722 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1723 (ldo->phy_type_low || ldo->phy_type_high)) {
1724 advert_phy_type_lo =
1725 le64_to_cpu(pf->nvm_phy_type_lo) &
1726 ldo->phy_type_low;
1727 advert_phy_type_hi =
1728 le64_to_cpu(pf->nvm_phy_type_hi) &
1729 ldo->phy_type_high;
1730 }
1731 }
1732 } else {
1733 /* strict mode */
1734 phy_types_low = vsi->port_info->phy.phy_type_low;
1735 phy_types_high = vsi->port_info->phy.phy_type_high;
1736 }
1737
1738 /* If Advertising link mode PHY type is not using override PHY type,
1739 * then use PHY type with media.
1740 */
1741 if (!advert_phy_type_lo && !advert_phy_type_hi) {
1742 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1743 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1744 }
1745
1746 ethtool_link_ksettings_zero_link_mode(ks, supported);
1747 ethtool_link_ksettings_zero_link_mode(ks, advertising);
1748
1749 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
1750 ICE_PHY_TYPE_LOW_100M_SGMII;
1751 if (phy_types_low & phy_type_mask_lo) {
1752 ethtool_link_ksettings_add_link_mode(ks, supported,
1753 100baseT_Full);
1754
1755 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
1756 100baseT_Full);
1757 }
1758
1759 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
1760 ICE_PHY_TYPE_LOW_1G_SGMII;
1761 if (phy_types_low & phy_type_mask_lo) {
1762 ethtool_link_ksettings_add_link_mode(ks, supported,
1763 1000baseT_Full);
1764 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1765 1000baseT_Full);
1766 }
1767
1768 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
1769 if (phy_types_low & phy_type_mask_lo) {
1770 ethtool_link_ksettings_add_link_mode(ks, supported,
1771 1000baseKX_Full);
1772 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1773 1000baseKX_Full);
1774 }
1775
1776 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
1777 ICE_PHY_TYPE_LOW_1000BASE_LX;
1778 if (phy_types_low & phy_type_mask_lo) {
1779 ethtool_link_ksettings_add_link_mode(ks, supported,
1780 1000baseX_Full);
1781 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1782 1000baseX_Full);
1783 }
1784
1785 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
1786 if (phy_types_low & phy_type_mask_lo) {
1787 ethtool_link_ksettings_add_link_mode(ks, supported,
1788 2500baseT_Full);
1789 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1790 2500baseT_Full);
1791 }
1792
1793 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
1794 ICE_PHY_TYPE_LOW_2500BASE_KX;
1795 if (phy_types_low & phy_type_mask_lo) {
1796 ethtool_link_ksettings_add_link_mode(ks, supported,
1797 2500baseX_Full);
1798 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1799 2500baseX_Full);
1800 }
1801
1802 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
1803 ICE_PHY_TYPE_LOW_5GBASE_KR;
1804 if (phy_types_low & phy_type_mask_lo) {
1805 ethtool_link_ksettings_add_link_mode(ks, supported,
1806 5000baseT_Full);
1807 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
1808 5000baseT_Full);
1809 }
1810
1811 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
1812 ICE_PHY_TYPE_LOW_10G_SFI_DA |
1813 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
1814 ICE_PHY_TYPE_LOW_10G_SFI_C2C;
1815 if (phy_types_low & phy_type_mask_lo) {
1816 ethtool_link_ksettings_add_link_mode(ks, supported,
1817 10000baseT_Full);
1818 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1819 10000baseT_Full);
1820 }
1821
1822 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
1823 if (phy_types_low & phy_type_mask_lo) {
1824 ethtool_link_ksettings_add_link_mode(ks, supported,
1825 10000baseKR_Full);
1826 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1827 10000baseKR_Full);
1828 }
1829
1830 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
1831 if (phy_types_low & phy_type_mask_lo) {
1832 ethtool_link_ksettings_add_link_mode(ks, supported,
1833 10000baseSR_Full);
1834 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1835 10000baseSR_Full);
1836 }
1837
1838 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
1839 if (phy_types_low & phy_type_mask_lo) {
1840 ethtool_link_ksettings_add_link_mode(ks, supported,
1841 10000baseLR_Full);
1842 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1843 10000baseLR_Full);
1844 }
1845
1846 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
1847 ICE_PHY_TYPE_LOW_25GBASE_CR |
1848 ICE_PHY_TYPE_LOW_25GBASE_CR_S |
1849 ICE_PHY_TYPE_LOW_25GBASE_CR1 |
1850 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
1851 ICE_PHY_TYPE_LOW_25G_AUI_C2C;
1852 if (phy_types_low & phy_type_mask_lo) {
1853 ethtool_link_ksettings_add_link_mode(ks, supported,
1854 25000baseCR_Full);
1855 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1856 25000baseCR_Full);
1857 }
1858
1859 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
1860 ICE_PHY_TYPE_LOW_25GBASE_LR;
1861 if (phy_types_low & phy_type_mask_lo) {
1862 ethtool_link_ksettings_add_link_mode(ks, supported,
1863 25000baseSR_Full);
1864 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1865 25000baseSR_Full);
1866 }
1867
1868 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
1869 ICE_PHY_TYPE_LOW_25GBASE_KR_S |
1870 ICE_PHY_TYPE_LOW_25GBASE_KR1;
1871 if (phy_types_low & phy_type_mask_lo) {
1872 ethtool_link_ksettings_add_link_mode(ks, supported,
1873 25000baseKR_Full);
1874 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1875 25000baseKR_Full);
1876 }
1877
1878 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
1879 if (phy_types_low & phy_type_mask_lo) {
1880 ethtool_link_ksettings_add_link_mode(ks, supported,
1881 40000baseKR4_Full);
1882 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1883 40000baseKR4_Full);
1884 }
1885
1886 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
1887 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
1888 ICE_PHY_TYPE_LOW_40G_XLAUI;
1889 if (phy_types_low & phy_type_mask_lo) {
1890 ethtool_link_ksettings_add_link_mode(ks, supported,
1891 40000baseCR4_Full);
1892 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1893 40000baseCR4_Full);
1894 }
1895
1896 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
1897 if (phy_types_low & phy_type_mask_lo) {
1898 ethtool_link_ksettings_add_link_mode(ks, supported,
1899 40000baseSR4_Full);
1900 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1901 40000baseSR4_Full);
1902 }
1903
1904 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
1905 if (phy_types_low & phy_type_mask_lo) {
1906 ethtool_link_ksettings_add_link_mode(ks, supported,
1907 40000baseLR4_Full);
1908 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1909 40000baseLR4_Full);
1910 }
1911
1912 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
1913 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
1914 ICE_PHY_TYPE_LOW_50G_LAUI2 |
1915 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
1916 ICE_PHY_TYPE_LOW_50G_AUI2 |
1917 ICE_PHY_TYPE_LOW_50GBASE_CP |
1918 ICE_PHY_TYPE_LOW_50GBASE_SR |
1919 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
1920 ICE_PHY_TYPE_LOW_50G_AUI1;
1921 if (phy_types_low & phy_type_mask_lo) {
1922 ethtool_link_ksettings_add_link_mode(ks, supported,
1923 50000baseCR2_Full);
1924 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1925 50000baseCR2_Full);
1926 }
1927
1928 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
1929 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
1930 if (phy_types_low & phy_type_mask_lo) {
1931 ethtool_link_ksettings_add_link_mode(ks, supported,
1932 50000baseKR2_Full);
1933 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1934 50000baseKR2_Full);
1935 }
1936
1937 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
1938 ICE_PHY_TYPE_LOW_50GBASE_LR2 |
1939 ICE_PHY_TYPE_LOW_50GBASE_FR |
1940 ICE_PHY_TYPE_LOW_50GBASE_LR;
1941 if (phy_types_low & phy_type_mask_lo) {
1942 ethtool_link_ksettings_add_link_mode(ks, supported,
1943 50000baseSR2_Full);
1944 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1945 50000baseSR2_Full);
1946 }
1947
1948 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
1949 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
1950 ICE_PHY_TYPE_LOW_100G_CAUI4 |
1951 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
1952 ICE_PHY_TYPE_LOW_100G_AUI4 |
1953 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
1954 ICE_PHY_TYPE_LOW_100GBASE_CP2;
1955 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
1956 ICE_PHY_TYPE_HIGH_100G_CAUI2 |
1957 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
1958 ICE_PHY_TYPE_HIGH_100G_AUI2;
1959 if (phy_types_low & phy_type_mask_lo ||
1960 phy_types_high & phy_type_mask_hi) {
1961 ethtool_link_ksettings_add_link_mode(ks, supported,
1962 100000baseCR4_Full);
1963 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1964 100000baseCR4_Full);
1965 }
1966
1967 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
1968 ICE_PHY_TYPE_LOW_100GBASE_SR2;
1969 if (phy_types_low & phy_type_mask_lo) {
1970 ethtool_link_ksettings_add_link_mode(ks, supported,
1971 100000baseSR4_Full);
1972 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1973 100000baseSR4_Full);
1974 }
1975
1976 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
1977 ICE_PHY_TYPE_LOW_100GBASE_DR;
1978 if (phy_types_low & phy_type_mask_lo) {
1979 ethtool_link_ksettings_add_link_mode(ks, supported,
1980 100000baseLR4_ER4_Full);
1981 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1982 100000baseLR4_ER4_Full);
1983 }
1984
1985 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
1986 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
1987 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
1988 if (phy_types_low & phy_type_mask_lo ||
1989 phy_types_high & phy_type_mask_hi) {
1990 ethtool_link_ksettings_add_link_mode(ks, supported,
1991 100000baseKR4_Full);
1992 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1993 100000baseKR4_Full);
1994 }
1995}
1996
1997#define TEST_SET_BITS_TIMEOUT 50
1998#define TEST_SET_BITS_SLEEP_MAX 2000
1999#define TEST_SET_BITS_SLEEP_MIN 1000
2000
2001/**
2002 * ice_get_settings_link_up - Get Link settings for when link is up
2003 * @ks: ethtool ksettings to fill in
2004 * @netdev: network interface device structure
2005 */
2006static void
2007ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
2008 struct net_device *netdev)
2009{
2010 struct ice_netdev_priv *np = netdev_priv(netdev);
2011 struct ice_port_info *pi = np->vsi->port_info;
2012 struct ice_link_status *link_info;
2013 struct ice_vsi *vsi = np->vsi;
2014
2015 link_info = &vsi->port_info->phy.link_info;
2016
2017 /* Get supported and advertised settings from PHY ability with media */
2018 ice_phy_type_to_ethtool(netdev, ks);
2019
2020 switch (link_info->link_speed) {
2021 case ICE_AQ_LINK_SPEED_100GB:
2022 ks->base.speed = SPEED_100000;
2023 break;
2024 case ICE_AQ_LINK_SPEED_50GB:
2025 ks->base.speed = SPEED_50000;
2026 break;
2027 case ICE_AQ_LINK_SPEED_40GB:
2028 ks->base.speed = SPEED_40000;
2029 break;
2030 case ICE_AQ_LINK_SPEED_25GB:
2031 ks->base.speed = SPEED_25000;
2032 break;
2033 case ICE_AQ_LINK_SPEED_20GB:
2034 ks->base.speed = SPEED_20000;
2035 break;
2036 case ICE_AQ_LINK_SPEED_10GB:
2037 ks->base.speed = SPEED_10000;
2038 break;
2039 case ICE_AQ_LINK_SPEED_5GB:
2040 ks->base.speed = SPEED_5000;
2041 break;
2042 case ICE_AQ_LINK_SPEED_2500MB:
2043 ks->base.speed = SPEED_2500;
2044 break;
2045 case ICE_AQ_LINK_SPEED_1000MB:
2046 ks->base.speed = SPEED_1000;
2047 break;
2048 case ICE_AQ_LINK_SPEED_100MB:
2049 ks->base.speed = SPEED_100;
2050 break;
2051 default:
2052 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
2053 link_info->link_speed);
2054 break;
2055 }
2056 ks->base.duplex = DUPLEX_FULL;
2057
2058 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
2059 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2060 Autoneg);
2061
2062 /* Set flow control negotiated Rx/Tx pause */
2063 switch (pi->fc.current_mode) {
2064 case ICE_FC_FULL:
2065 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2066 break;
2067 case ICE_FC_TX_PAUSE:
2068 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2069 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2070 Asym_Pause);
2071 break;
2072 case ICE_FC_RX_PAUSE:
2073 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2074 Asym_Pause);
2075 break;
2076 case ICE_FC_PFC:
2077 default:
2078 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
2079 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
2080 Asym_Pause);
2081 break;
2082 }
2083}
2084
2085/**
2086 * ice_get_settings_link_down - Get the Link settings when link is down
2087 * @ks: ethtool ksettings to fill in
2088 * @netdev: network interface device structure
2089 *
2090 * Reports link settings that can be determined when link is down
2091 */
2092static void
2093ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
2094 struct net_device *netdev)
2095{
2096 /* link is down and the driver needs to fall back on
2097 * supported PHY types to figure out what info to display
2098 */
2099 ice_phy_type_to_ethtool(netdev, ks);
2100
2101 /* With no link, speed and duplex are unknown */
2102 ks->base.speed = SPEED_UNKNOWN;
2103 ks->base.duplex = DUPLEX_UNKNOWN;
2104}
2105
2106/**
2107 * ice_get_link_ksettings - Get Link Speed and Duplex settings
2108 * @netdev: network interface device structure
2109 * @ks: ethtool ksettings
2110 *
2111 * Reports speed/duplex settings based on media_type
2112 */
2113static int
2114ice_get_link_ksettings(struct net_device *netdev,
2115 struct ethtool_link_ksettings *ks)
2116{
2117 struct ice_netdev_priv *np = netdev_priv(netdev);
2118 struct ice_aqc_get_phy_caps_data *caps;
2119 struct ice_link_status *hw_link_info;
2120 struct ice_vsi *vsi = np->vsi;
2121 int err;
2122
2123 ethtool_link_ksettings_zero_link_mode(ks, supported);
2124 ethtool_link_ksettings_zero_link_mode(ks, advertising);
2125 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
2126 hw_link_info = &vsi->port_info->phy.link_info;
2127
2128 /* set speed and duplex */
2129 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2130 ice_get_settings_link_up(ks, netdev);
2131 else
2132 ice_get_settings_link_down(ks, netdev);
2133
2134 /* set autoneg settings */
2135 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2136 AUTONEG_ENABLE : AUTONEG_DISABLE;
2137
2138 /* set media type settings */
2139 switch (vsi->port_info->phy.media_type) {
2140 case ICE_MEDIA_FIBER:
2141 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2142 ks->base.port = PORT_FIBRE;
2143 break;
2144 case ICE_MEDIA_BASET:
2145 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2146 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2147 ks->base.port = PORT_TP;
2148 break;
2149 case ICE_MEDIA_BACKPLANE:
2150 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2151 ethtool_link_ksettings_add_link_mode(ks, advertising,
2152 Backplane);
2153 ks->base.port = PORT_NONE;
2154 break;
2155 case ICE_MEDIA_DA:
2156 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2157 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2158 ks->base.port = PORT_DA;
2159 break;
2160 default:
2161 ks->base.port = PORT_OTHER;
2162 break;
2163 }
2164
2165 /* flow control is symmetric and always supported */
2166 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2167
2168 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2169 if (!caps)
2170 return -ENOMEM;
2171
2172 err = ice_aq_get_phy_caps(vsi->port_info, false,
2173 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2174 if (err)
2175 goto done;
2176
2177 /* Set the advertised flow control based on the PHY capability */
2178 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2179 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2180 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2181 ethtool_link_ksettings_add_link_mode(ks, advertising,
2182 Asym_Pause);
2183 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2184 ethtool_link_ksettings_add_link_mode(ks, advertising,
2185 Asym_Pause);
2186 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2187 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2188 ethtool_link_ksettings_add_link_mode(ks, advertising,
2189 Asym_Pause);
2190 } else {
2191 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2192 ethtool_link_ksettings_del_link_mode(ks, advertising,
2193 Asym_Pause);
2194 }
2195
2196 /* Set advertised FEC modes based on PHY capability */
2197 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2198
2199 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2200 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2201 ethtool_link_ksettings_add_link_mode(ks, advertising,
2202 FEC_BASER);
2203 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2204 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2205 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2206
2207 err = ice_aq_get_phy_caps(vsi->port_info, false,
2208 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2209 if (err)
2210 goto done;
2211
2212 /* Set supported FEC modes based on PHY capability */
2213 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2214
2215 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2216 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2217 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2218 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2219 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2220
2221 /* Set supported and advertised autoneg */
2222 if (ice_is_phy_caps_an_enabled(caps)) {
2223 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2224 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2225 }
2226
2227done:
2228 kfree(caps);
2229 return err;
2230}
2231
2232/**
2233 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2234 * @ks: ethtool ksettings
2235 */
2236static u16
2237ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2238{
2239 u16 adv_link_speed = 0;
2240
2241 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2242 100baseT_Full))
2243 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2244 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2245 1000baseX_Full))
2246 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2247 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2248 1000baseT_Full) ||
2249 ethtool_link_ksettings_test_link_mode(ks, advertising,
2250 1000baseKX_Full))
2251 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2252 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2253 2500baseT_Full))
2254 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2255 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2256 2500baseX_Full))
2257 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2258 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2259 5000baseT_Full))
2260 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2261 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2262 10000baseT_Full) ||
2263 ethtool_link_ksettings_test_link_mode(ks, advertising,
2264 10000baseKR_Full))
2265 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2266 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2267 10000baseSR_Full) ||
2268 ethtool_link_ksettings_test_link_mode(ks, advertising,
2269 10000baseLR_Full))
2270 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2271 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2272 25000baseCR_Full) ||
2273 ethtool_link_ksettings_test_link_mode(ks, advertising,
2274 25000baseSR_Full) ||
2275 ethtool_link_ksettings_test_link_mode(ks, advertising,
2276 25000baseKR_Full))
2277 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2278 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2279 40000baseCR4_Full) ||
2280 ethtool_link_ksettings_test_link_mode(ks, advertising,
2281 40000baseSR4_Full) ||
2282 ethtool_link_ksettings_test_link_mode(ks, advertising,
2283 40000baseLR4_Full) ||
2284 ethtool_link_ksettings_test_link_mode(ks, advertising,
2285 40000baseKR4_Full))
2286 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2287 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2288 50000baseCR2_Full) ||
2289 ethtool_link_ksettings_test_link_mode(ks, advertising,
2290 50000baseKR2_Full))
2291 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2292 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2293 50000baseSR2_Full))
2294 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2295 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2296 100000baseCR4_Full) ||
2297 ethtool_link_ksettings_test_link_mode(ks, advertising,
2298 100000baseSR4_Full) ||
2299 ethtool_link_ksettings_test_link_mode(ks, advertising,
2300 100000baseLR4_ER4_Full) ||
2301 ethtool_link_ksettings_test_link_mode(ks, advertising,
2302 100000baseKR4_Full))
2303 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2304
2305 return adv_link_speed;
2306}
2307
2308/**
2309 * ice_setup_autoneg
2310 * @p: port info
2311 * @ks: ethtool_link_ksettings
2312 * @config: configuration that will be sent down to FW
2313 * @autoneg_enabled: autonegotiation is enabled or not
2314 * @autoneg_changed: will there a change in autonegotiation
2315 * @netdev: network interface device structure
2316 *
2317 * Setup PHY autonegotiation feature
2318 */
2319static int
2320ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2321 struct ice_aqc_set_phy_cfg_data *config,
2322 u8 autoneg_enabled, u8 *autoneg_changed,
2323 struct net_device *netdev)
2324{
2325 int err = 0;
2326
2327 *autoneg_changed = 0;
2328
2329 /* Check autoneg */
2330 if (autoneg_enabled == AUTONEG_ENABLE) {
2331 /* If autoneg was not already enabled */
2332 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2333 /* If autoneg is not supported, return error */
2334 if (!ethtool_link_ksettings_test_link_mode(ks,
2335 supported,
2336 Autoneg)) {
2337 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2338 err = -EINVAL;
2339 } else {
2340 /* Autoneg is allowed to change */
2341 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2342 *autoneg_changed = 1;
2343 }
2344 }
2345 } else {
2346 /* If autoneg is currently enabled */
2347 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2348 /* If autoneg is supported 10GBASE_T is the only PHY
2349 * that can disable it, so otherwise return error
2350 */
2351 if (ethtool_link_ksettings_test_link_mode(ks,
2352 supported,
2353 Autoneg)) {
2354 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2355 err = -EINVAL;
2356 } else {
2357 /* Autoneg is allowed to change */
2358 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2359 *autoneg_changed = 1;
2360 }
2361 }
2362 }
2363
2364 return err;
2365}
2366
2367/**
2368 * ice_set_phy_type_from_speed - set phy_types based on speeds
2369 * and advertised modes
2370 * @ks: ethtool link ksettings struct
2371 * @phy_type_low: pointer to the lower part of phy_type
2372 * @phy_type_high: pointer to the higher part of phy_type
2373 * @adv_link_speed: targeted link speeds bitmap
2374 */
2375static void
2376ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2377 u64 *phy_type_low, u64 *phy_type_high,
2378 u16 adv_link_speed)
2379{
2380 /* Handle 1000M speed in a special way because ice_update_phy_type
2381 * enables all link modes, but having mixed copper and optical
2382 * standards is not supported.
2383 */
2384 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2385
2386 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2387 1000baseT_Full))
2388 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2389 ICE_PHY_TYPE_LOW_1G_SGMII;
2390
2391 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2392 1000baseKX_Full))
2393 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2394
2395 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2396 1000baseX_Full))
2397 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2398 ICE_PHY_TYPE_LOW_1000BASE_LX;
2399
2400 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2401}
2402
2403/**
2404 * ice_set_link_ksettings - Set Speed and Duplex
2405 * @netdev: network interface device structure
2406 * @ks: ethtool ksettings
2407 *
2408 * Set speed/duplex per media_types advertised/forced
2409 */
2410static int
2411ice_set_link_ksettings(struct net_device *netdev,
2412 const struct ethtool_link_ksettings *ks)
2413{
2414 struct ice_netdev_priv *np = netdev_priv(netdev);
2415 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2416 struct ethtool_link_ksettings copy_ks = *ks;
2417 struct ethtool_link_ksettings safe_ks = {};
2418 struct ice_aqc_get_phy_caps_data *phy_caps;
2419 struct ice_aqc_set_phy_cfg_data config;
2420 u16 adv_link_speed, curr_link_speed;
2421 struct ice_pf *pf = np->vsi->back;
2422 struct ice_port_info *pi;
2423 u8 autoneg_changed = 0;
2424 u64 phy_type_high = 0;
2425 u64 phy_type_low = 0;
2426 bool linkup;
2427 int err;
2428
2429 pi = np->vsi->port_info;
2430
2431 if (!pi)
2432 return -EIO;
2433
2434 if (pi->phy.media_type != ICE_MEDIA_BASET &&
2435 pi->phy.media_type != ICE_MEDIA_FIBER &&
2436 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2437 pi->phy.media_type != ICE_MEDIA_DA &&
2438 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2439 return -EOPNOTSUPP;
2440
2441 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2442 if (!phy_caps)
2443 return -ENOMEM;
2444
2445 /* Get the PHY capabilities based on media */
2446 if (ice_fw_supports_report_dflt_cfg(pi->hw))
2447 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2448 phy_caps, NULL);
2449 else
2450 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2451 phy_caps, NULL);
2452 if (err)
2453 goto done;
2454
2455 /* save autoneg out of ksettings */
2456 autoneg = copy_ks.base.autoneg;
2457
2458 /* Get link modes supported by hardware.*/
2459 ice_phy_type_to_ethtool(netdev, &safe_ks);
2460
2461 /* and check against modes requested by user.
2462 * Return an error if unsupported mode was set.
2463 */
2464 if (!bitmap_subset(copy_ks.link_modes.advertising,
2465 safe_ks.link_modes.supported,
2466 __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2467 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2468 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2469 err = -EOPNOTSUPP;
2470 goto done;
2471 }
2472
2473 /* get our own copy of the bits to check against */
2474 memset(&safe_ks, 0, sizeof(safe_ks));
2475 safe_ks.base.cmd = copy_ks.base.cmd;
2476 safe_ks.base.link_mode_masks_nwords =
2477 copy_ks.base.link_mode_masks_nwords;
2478 ice_get_link_ksettings(netdev, &safe_ks);
2479
2480 /* set autoneg back to what it currently is */
2481 copy_ks.base.autoneg = safe_ks.base.autoneg;
2482 /* we don't compare the speed */
2483 copy_ks.base.speed = safe_ks.base.speed;
2484
2485 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2486 * trying to set something that we do not support.
2487 */
2488 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2489 err = -EOPNOTSUPP;
2490 goto done;
2491 }
2492
2493 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2494 timeout--;
2495 if (!timeout) {
2496 err = -EBUSY;
2497 goto done;
2498 }
2499 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2500 }
2501
2502 /* Copy the current user PHY configuration. The current user PHY
2503 * configuration is initialized during probe from PHY capabilities
2504 * software mode, and updated on set PHY configuration.
2505 */
2506 config = pi->phy.curr_user_phy_cfg;
2507
2508 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2509
2510 /* Check autoneg */
2511 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2512 netdev);
2513
2514 if (err)
2515 goto done;
2516
2517 /* Call to get the current link speed */
2518 pi->phy.get_link_info = true;
2519 err = ice_get_link_status(pi, &linkup);
2520 if (err)
2521 goto done;
2522
2523 curr_link_speed = pi->phy.curr_user_speed_req;
2524 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2525
2526 /* If speed didn't get set, set it to what it currently is.
2527 * This is needed because if advertise is 0 (as it is when autoneg
2528 * is disabled) then speed won't get set.
2529 */
2530 if (!adv_link_speed)
2531 adv_link_speed = curr_link_speed;
2532
2533 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2534 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2535 adv_link_speed);
2536
2537 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2538 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2539 goto done;
2540 }
2541
2542 /* save the requested speeds */
2543 pi->phy.link_info.req_speeds = adv_link_speed;
2544
2545 /* set link and auto negotiation so changes take effect */
2546 config.caps |= ICE_AQ_PHY_ENA_LINK;
2547
2548 /* check if there is a PHY type for the requested advertised speed */
2549 if (!(phy_type_low || phy_type_high)) {
2550 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2551 err = -EOPNOTSUPP;
2552 goto done;
2553 }
2554
2555 /* intersect requested advertised speed PHY types with media PHY types
2556 * for set PHY configuration
2557 */
2558 config.phy_type_high = cpu_to_le64(phy_type_high) &
2559 phy_caps->phy_type_high;
2560 config.phy_type_low = cpu_to_le64(phy_type_low) &
2561 phy_caps->phy_type_low;
2562
2563 if (!(config.phy_type_high || config.phy_type_low)) {
2564 /* If there is no intersection and lenient mode is enabled, then
2565 * intersect the requested advertised speed with NVM media type
2566 * PHY types.
2567 */
2568 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2569 config.phy_type_high = cpu_to_le64(phy_type_high) &
2570 pf->nvm_phy_type_hi;
2571 config.phy_type_low = cpu_to_le64(phy_type_low) &
2572 pf->nvm_phy_type_lo;
2573 } else {
2574 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2575 err = -EOPNOTSUPP;
2576 goto done;
2577 }
2578 }
2579
2580 /* If link is up put link down */
2581 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2582 /* Tell the OS link is going down, the link will go
2583 * back up when fw says it is ready asynchronously
2584 */
2585 ice_print_link_msg(np->vsi, false);
2586 netif_carrier_off(netdev);
2587 netif_tx_stop_all_queues(netdev);
2588 }
2589
2590 /* make the aq call */
2591 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2592 if (err) {
2593 netdev_info(netdev, "Set phy config failed,\n");
2594 goto done;
2595 }
2596
2597 /* Save speed request */
2598 pi->phy.curr_user_speed_req = adv_link_speed;
2599done:
2600 kfree(phy_caps);
2601 clear_bit(ICE_CFG_BUSY, pf->state);
2602
2603 return err;
2604}
2605
2606/**
2607 * ice_parse_hdrs - parses headers from RSS hash input
2608 * @nfc: ethtool rxnfc command
2609 *
2610 * This function parses the rxnfc command and returns intended
2611 * header types for RSS configuration
2612 */
2613static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2614{
2615 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2616
2617 switch (nfc->flow_type) {
2618 case TCP_V4_FLOW:
2619 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2620 break;
2621 case UDP_V4_FLOW:
2622 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2623 break;
2624 case SCTP_V4_FLOW:
2625 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2626 break;
2627 case TCP_V6_FLOW:
2628 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2629 break;
2630 case UDP_V6_FLOW:
2631 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2632 break;
2633 case SCTP_V6_FLOW:
2634 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2635 break;
2636 default:
2637 break;
2638 }
2639 return hdrs;
2640}
2641
2642#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2643#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2644#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2645#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2646#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2647#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2648#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2649#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2650#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2651 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2652#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2653 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2654
2655/**
2656 * ice_parse_hash_flds - parses hash fields from RSS hash input
2657 * @nfc: ethtool rxnfc command
2658 *
2659 * This function parses the rxnfc command and returns intended
2660 * hash fields for RSS configuration
2661 */
2662static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2663{
2664 u64 hfld = ICE_HASH_INVALID;
2665
2666 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2667 switch (nfc->flow_type) {
2668 case TCP_V4_FLOW:
2669 case UDP_V4_FLOW:
2670 case SCTP_V4_FLOW:
2671 if (nfc->data & RXH_IP_SRC)
2672 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2673 if (nfc->data & RXH_IP_DST)
2674 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2675 break;
2676 case TCP_V6_FLOW:
2677 case UDP_V6_FLOW:
2678 case SCTP_V6_FLOW:
2679 if (nfc->data & RXH_IP_SRC)
2680 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2681 if (nfc->data & RXH_IP_DST)
2682 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2683 break;
2684 default:
2685 break;
2686 }
2687 }
2688
2689 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2690 switch (nfc->flow_type) {
2691 case TCP_V4_FLOW:
2692 case TCP_V6_FLOW:
2693 if (nfc->data & RXH_L4_B_0_1)
2694 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2695 if (nfc->data & RXH_L4_B_2_3)
2696 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2697 break;
2698 case UDP_V4_FLOW:
2699 case UDP_V6_FLOW:
2700 if (nfc->data & RXH_L4_B_0_1)
2701 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2702 if (nfc->data & RXH_L4_B_2_3)
2703 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2704 break;
2705 case SCTP_V4_FLOW:
2706 case SCTP_V6_FLOW:
2707 if (nfc->data & RXH_L4_B_0_1)
2708 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2709 if (nfc->data & RXH_L4_B_2_3)
2710 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2711 break;
2712 default:
2713 break;
2714 }
2715 }
2716
2717 return hfld;
2718}
2719
2720/**
2721 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2722 * @vsi: the VSI being configured
2723 * @nfc: ethtool rxnfc command
2724 *
2725 * Returns Success if the flow input set is supported.
2726 */
2727static int
2728ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2729{
2730 struct ice_pf *pf = vsi->back;
2731 struct device *dev;
2732 u64 hashed_flds;
2733 int status;
2734 u32 hdrs;
2735
2736 dev = ice_pf_to_dev(pf);
2737 if (ice_is_safe_mode(pf)) {
2738 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2739 vsi->vsi_num);
2740 return -EINVAL;
2741 }
2742
2743 hashed_flds = ice_parse_hash_flds(nfc);
2744 if (hashed_flds == ICE_HASH_INVALID) {
2745 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2746 vsi->vsi_num);
2747 return -EINVAL;
2748 }
2749
2750 hdrs = ice_parse_hdrs(nfc);
2751 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2752 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2753 vsi->vsi_num);
2754 return -EINVAL;
2755 }
2756
2757 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2758 if (status) {
2759 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2760 vsi->vsi_num, status);
2761 return status;
2762 }
2763
2764 return 0;
2765}
2766
2767/**
2768 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2769 * @vsi: the VSI being configured
2770 * @nfc: ethtool rxnfc command
2771 */
2772static void
2773ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2774{
2775 struct ice_pf *pf = vsi->back;
2776 struct device *dev;
2777 u64 hash_flds;
2778 u32 hdrs;
2779
2780 dev = ice_pf_to_dev(pf);
2781
2782 nfc->data = 0;
2783 if (ice_is_safe_mode(pf)) {
2784 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2785 vsi->vsi_num);
2786 return;
2787 }
2788
2789 hdrs = ice_parse_hdrs(nfc);
2790 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2791 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2792 vsi->vsi_num);
2793 return;
2794 }
2795
2796 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2797 if (hash_flds == ICE_HASH_INVALID) {
2798 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2799 vsi->vsi_num);
2800 return;
2801 }
2802
2803 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2804 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2805 nfc->data |= (u64)RXH_IP_SRC;
2806
2807 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2808 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2809 nfc->data |= (u64)RXH_IP_DST;
2810
2811 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2812 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2813 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2814 nfc->data |= (u64)RXH_L4_B_0_1;
2815
2816 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2817 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2818 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2819 nfc->data |= (u64)RXH_L4_B_2_3;
2820}
2821
2822/**
2823 * ice_set_rxnfc - command to set Rx flow rules.
2824 * @netdev: network interface device structure
2825 * @cmd: ethtool rxnfc command
2826 *
2827 * Returns 0 for success and negative values for errors
2828 */
2829static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2830{
2831 struct ice_netdev_priv *np = netdev_priv(netdev);
2832 struct ice_vsi *vsi = np->vsi;
2833
2834 switch (cmd->cmd) {
2835 case ETHTOOL_SRXCLSRLINS:
2836 return ice_add_fdir_ethtool(vsi, cmd);
2837 case ETHTOOL_SRXCLSRLDEL:
2838 return ice_del_fdir_ethtool(vsi, cmd);
2839 case ETHTOOL_SRXFH:
2840 return ice_set_rss_hash_opt(vsi, cmd);
2841 default:
2842 break;
2843 }
2844 return -EOPNOTSUPP;
2845}
2846
2847/**
2848 * ice_get_rxnfc - command to get Rx flow classification rules
2849 * @netdev: network interface device structure
2850 * @cmd: ethtool rxnfc command
2851 * @rule_locs: buffer to rturn Rx flow classification rules
2852 *
2853 * Returns Success if the command is supported.
2854 */
2855static int
2856ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2857 u32 __always_unused *rule_locs)
2858{
2859 struct ice_netdev_priv *np = netdev_priv(netdev);
2860 struct ice_vsi *vsi = np->vsi;
2861 int ret = -EOPNOTSUPP;
2862 struct ice_hw *hw;
2863
2864 hw = &vsi->back->hw;
2865
2866 switch (cmd->cmd) {
2867 case ETHTOOL_GRXRINGS:
2868 cmd->data = vsi->rss_size;
2869 ret = 0;
2870 break;
2871 case ETHTOOL_GRXCLSRLCNT:
2872 cmd->rule_cnt = hw->fdir_active_fltr;
2873 /* report total rule count */
2874 cmd->data = ice_get_fdir_cnt_all(hw);
2875 ret = 0;
2876 break;
2877 case ETHTOOL_GRXCLSRULE:
2878 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2879 break;
2880 case ETHTOOL_GRXCLSRLALL:
2881 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2882 break;
2883 case ETHTOOL_GRXFH:
2884 ice_get_rss_hash_opt(vsi, cmd);
2885 ret = 0;
2886 break;
2887 default:
2888 break;
2889 }
2890
2891 return ret;
2892}
2893
2894static void
2895ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2896 struct kernel_ethtool_ringparam *kernel_ring,
2897 struct netlink_ext_ack *extack)
2898{
2899 struct ice_netdev_priv *np = netdev_priv(netdev);
2900 struct ice_vsi *vsi = np->vsi;
2901
2902 ring->rx_max_pending = ICE_MAX_NUM_DESC;
2903 ring->tx_max_pending = ICE_MAX_NUM_DESC;
2904 ring->rx_pending = vsi->rx_rings[0]->count;
2905 ring->tx_pending = vsi->tx_rings[0]->count;
2906
2907 /* Rx mini and jumbo rings are not supported */
2908 ring->rx_mini_max_pending = 0;
2909 ring->rx_jumbo_max_pending = 0;
2910 ring->rx_mini_pending = 0;
2911 ring->rx_jumbo_pending = 0;
2912}
2913
2914static int
2915ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2916 struct kernel_ethtool_ringparam *kernel_ring,
2917 struct netlink_ext_ack *extack)
2918{
2919 struct ice_netdev_priv *np = netdev_priv(netdev);
2920 struct ice_tx_ring *xdp_rings = NULL;
2921 struct ice_tx_ring *tx_rings = NULL;
2922 struct ice_rx_ring *rx_rings = NULL;
2923 struct ice_vsi *vsi = np->vsi;
2924 struct ice_pf *pf = vsi->back;
2925 int i, timeout = 50, err = 0;
2926 u16 new_rx_cnt, new_tx_cnt;
2927
2928 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2929 ring->tx_pending < ICE_MIN_NUM_DESC ||
2930 ring->rx_pending > ICE_MAX_NUM_DESC ||
2931 ring->rx_pending < ICE_MIN_NUM_DESC) {
2932 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2933 ring->tx_pending, ring->rx_pending,
2934 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2935 ICE_REQ_DESC_MULTIPLE);
2936 return -EINVAL;
2937 }
2938
2939 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2940 if (new_tx_cnt != ring->tx_pending)
2941 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2942 new_tx_cnt);
2943 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2944 if (new_rx_cnt != ring->rx_pending)
2945 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2946 new_rx_cnt);
2947
2948 /* if nothing to do return success */
2949 if (new_tx_cnt == vsi->tx_rings[0]->count &&
2950 new_rx_cnt == vsi->rx_rings[0]->count) {
2951 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2952 return 0;
2953 }
2954
2955 /* If there is a AF_XDP UMEM attached to any of Rx rings,
2956 * disallow changing the number of descriptors -- regardless
2957 * if the netdev is running or not.
2958 */
2959 if (ice_xsk_any_rx_ring_ena(vsi))
2960 return -EBUSY;
2961
2962 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2963 timeout--;
2964 if (!timeout)
2965 return -EBUSY;
2966 usleep_range(1000, 2000);
2967 }
2968
2969 /* set for the next time the netdev is started */
2970 if (!netif_running(vsi->netdev)) {
2971 ice_for_each_alloc_txq(vsi, i)
2972 vsi->tx_rings[i]->count = new_tx_cnt;
2973 ice_for_each_alloc_rxq(vsi, i)
2974 vsi->rx_rings[i]->count = new_rx_cnt;
2975 if (ice_is_xdp_ena_vsi(vsi))
2976 ice_for_each_xdp_txq(vsi, i)
2977 vsi->xdp_rings[i]->count = new_tx_cnt;
2978 vsi->num_tx_desc = (u16)new_tx_cnt;
2979 vsi->num_rx_desc = (u16)new_rx_cnt;
2980 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2981 goto done;
2982 }
2983
2984 if (new_tx_cnt == vsi->tx_rings[0]->count)
2985 goto process_rx;
2986
2987 /* alloc updated Tx resources */
2988 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2989 vsi->tx_rings[0]->count, new_tx_cnt);
2990
2991 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2992 if (!tx_rings) {
2993 err = -ENOMEM;
2994 goto done;
2995 }
2996
2997 ice_for_each_txq(vsi, i) {
2998 /* clone ring and setup updated count */
2999 tx_rings[i] = *vsi->tx_rings[i];
3000 tx_rings[i].count = new_tx_cnt;
3001 tx_rings[i].desc = NULL;
3002 tx_rings[i].tx_buf = NULL;
3003 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
3004 err = ice_setup_tx_ring(&tx_rings[i]);
3005 if (err) {
3006 while (i--)
3007 ice_clean_tx_ring(&tx_rings[i]);
3008 kfree(tx_rings);
3009 goto done;
3010 }
3011 }
3012
3013 if (!ice_is_xdp_ena_vsi(vsi))
3014 goto process_rx;
3015
3016 /* alloc updated XDP resources */
3017 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
3018 vsi->xdp_rings[0]->count, new_tx_cnt);
3019
3020 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
3021 if (!xdp_rings) {
3022 err = -ENOMEM;
3023 goto free_tx;
3024 }
3025
3026 ice_for_each_xdp_txq(vsi, i) {
3027 /* clone ring and setup updated count */
3028 xdp_rings[i] = *vsi->xdp_rings[i];
3029 xdp_rings[i].count = new_tx_cnt;
3030 xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
3031 xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
3032 xdp_rings[i].desc = NULL;
3033 xdp_rings[i].tx_buf = NULL;
3034 err = ice_setup_tx_ring(&xdp_rings[i]);
3035 if (err) {
3036 while (i--)
3037 ice_clean_tx_ring(&xdp_rings[i]);
3038 kfree(xdp_rings);
3039 goto free_tx;
3040 }
3041 ice_set_ring_xdp(&xdp_rings[i]);
3042 }
3043
3044process_rx:
3045 if (new_rx_cnt == vsi->rx_rings[0]->count)
3046 goto process_link;
3047
3048 /* alloc updated Rx resources */
3049 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
3050 vsi->rx_rings[0]->count, new_rx_cnt);
3051
3052 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
3053 if (!rx_rings) {
3054 err = -ENOMEM;
3055 goto done;
3056 }
3057
3058 ice_for_each_rxq(vsi, i) {
3059 /* clone ring and setup updated count */
3060 rx_rings[i] = *vsi->rx_rings[i];
3061 rx_rings[i].count = new_rx_cnt;
3062 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
3063 rx_rings[i].desc = NULL;
3064 rx_rings[i].rx_buf = NULL;
3065 /* this is to allow wr32 to have something to write to
3066 * during early allocation of Rx buffers
3067 */
3068 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
3069
3070 err = ice_setup_rx_ring(&rx_rings[i]);
3071 if (err)
3072 goto rx_unwind;
3073
3074 /* allocate Rx buffers */
3075 err = ice_alloc_rx_bufs(&rx_rings[i],
3076 ICE_DESC_UNUSED(&rx_rings[i]));
3077rx_unwind:
3078 if (err) {
3079 while (i) {
3080 i--;
3081 ice_free_rx_ring(&rx_rings[i]);
3082 }
3083 kfree(rx_rings);
3084 err = -ENOMEM;
3085 goto free_tx;
3086 }
3087 }
3088
3089process_link:
3090 /* Bring interface down, copy in the new ring info, then restore the
3091 * interface. if VSI is up, bring it down and then back up
3092 */
3093 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
3094 ice_down(vsi);
3095
3096 if (tx_rings) {
3097 ice_for_each_txq(vsi, i) {
3098 ice_free_tx_ring(vsi->tx_rings[i]);
3099 *vsi->tx_rings[i] = tx_rings[i];
3100 }
3101 kfree(tx_rings);
3102 }
3103
3104 if (rx_rings) {
3105 ice_for_each_rxq(vsi, i) {
3106 ice_free_rx_ring(vsi->rx_rings[i]);
3107 /* copy the real tail offset */
3108 rx_rings[i].tail = vsi->rx_rings[i]->tail;
3109 /* this is to fake out the allocation routine
3110 * into thinking it has to realloc everything
3111 * but the recycling logic will let us re-use
3112 * the buffers allocated above
3113 */
3114 rx_rings[i].next_to_use = 0;
3115 rx_rings[i].next_to_clean = 0;
3116 rx_rings[i].next_to_alloc = 0;
3117 *vsi->rx_rings[i] = rx_rings[i];
3118 }
3119 kfree(rx_rings);
3120 }
3121
3122 if (xdp_rings) {
3123 ice_for_each_xdp_txq(vsi, i) {
3124 ice_free_tx_ring(vsi->xdp_rings[i]);
3125 *vsi->xdp_rings[i] = xdp_rings[i];
3126 }
3127 kfree(xdp_rings);
3128 }
3129
3130 vsi->num_tx_desc = new_tx_cnt;
3131 vsi->num_rx_desc = new_rx_cnt;
3132 ice_up(vsi);
3133 }
3134 goto done;
3135
3136free_tx:
3137 /* error cleanup if the Rx allocations failed after getting Tx */
3138 if (tx_rings) {
3139 ice_for_each_txq(vsi, i)
3140 ice_free_tx_ring(&tx_rings[i]);
3141 kfree(tx_rings);
3142 }
3143
3144done:
3145 clear_bit(ICE_CFG_BUSY, pf->state);
3146 return err;
3147}
3148
3149/**
3150 * ice_get_pauseparam - Get Flow Control status
3151 * @netdev: network interface device structure
3152 * @pause: ethernet pause (flow control) parameters
3153 *
3154 * Get requested flow control status from PHY capability.
3155 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3156 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3157 * the negotiated Rx/Tx pause via lp_advertising.
3158 */
3159static void
3160ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3161{
3162 struct ice_netdev_priv *np = netdev_priv(netdev);
3163 struct ice_port_info *pi = np->vsi->port_info;
3164 struct ice_aqc_get_phy_caps_data *pcaps;
3165 struct ice_dcbx_cfg *dcbx_cfg;
3166 int status;
3167
3168 /* Initialize pause params */
3169 pause->rx_pause = 0;
3170 pause->tx_pause = 0;
3171
3172 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3173
3174 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3175 if (!pcaps)
3176 return;
3177
3178 /* Get current PHY config */
3179 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3180 NULL);
3181 if (status)
3182 goto out;
3183
3184 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3185 AUTONEG_DISABLE;
3186
3187 if (dcbx_cfg->pfc.pfcena)
3188 /* PFC enabled so report LFC as off */
3189 goto out;
3190
3191 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3192 pause->tx_pause = 1;
3193 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3194 pause->rx_pause = 1;
3195
3196out:
3197 kfree(pcaps);
3198}
3199
3200/**
3201 * ice_set_pauseparam - Set Flow Control parameter
3202 * @netdev: network interface device structure
3203 * @pause: return Tx/Rx flow control status
3204 */
3205static int
3206ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3207{
3208 struct ice_netdev_priv *np = netdev_priv(netdev);
3209 struct ice_aqc_get_phy_caps_data *pcaps;
3210 struct ice_link_status *hw_link_info;
3211 struct ice_pf *pf = np->vsi->back;
3212 struct ice_dcbx_cfg *dcbx_cfg;
3213 struct ice_vsi *vsi = np->vsi;
3214 struct ice_hw *hw = &pf->hw;
3215 struct ice_port_info *pi;
3216 u8 aq_failures;
3217 bool link_up;
3218 u32 is_an;
3219 int err;
3220
3221 pi = vsi->port_info;
3222 hw_link_info = &pi->phy.link_info;
3223 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3224 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3225
3226 /* Changing the port's flow control is not supported if this isn't the
3227 * PF VSI
3228 */
3229 if (vsi->type != ICE_VSI_PF) {
3230 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3231 return -EOPNOTSUPP;
3232 }
3233
3234 /* Get pause param reports configured and negotiated flow control pause
3235 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3236 * defined get pause param pause->autoneg reports SW configured setting,
3237 * so compare pause->autoneg with SW configured to prevent the user from
3238 * using set pause param to chance autoneg.
3239 */
3240 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3241 if (!pcaps)
3242 return -ENOMEM;
3243
3244 /* Get current PHY config */
3245 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3246 NULL);
3247 if (err) {
3248 kfree(pcaps);
3249 return err;
3250 }
3251
3252 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3253 AUTONEG_DISABLE;
3254
3255 kfree(pcaps);
3256
3257 if (pause->autoneg != is_an) {
3258 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3259 return -EOPNOTSUPP;
3260 }
3261
3262 /* If we have link and don't have autoneg */
3263 if (!test_bit(ICE_DOWN, pf->state) &&
3264 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3265 /* Send message that it might not necessarily work*/
3266 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3267 }
3268
3269 if (dcbx_cfg->pfc.pfcena) {
3270 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3271 return -EOPNOTSUPP;
3272 }
3273 if (pause->rx_pause && pause->tx_pause)
3274 pi->fc.req_mode = ICE_FC_FULL;
3275 else if (pause->rx_pause && !pause->tx_pause)
3276 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3277 else if (!pause->rx_pause && pause->tx_pause)
3278 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3279 else if (!pause->rx_pause && !pause->tx_pause)
3280 pi->fc.req_mode = ICE_FC_NONE;
3281 else
3282 return -EINVAL;
3283
3284 /* Set the FC mode and only restart AN if link is up */
3285 err = ice_set_fc(pi, &aq_failures, link_up);
3286
3287 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3288 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3289 err, ice_aq_str(hw->adminq.sq_last_status));
3290 err = -EAGAIN;
3291 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3292 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3293 err, ice_aq_str(hw->adminq.sq_last_status));
3294 err = -EAGAIN;
3295 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3296 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3297 err, ice_aq_str(hw->adminq.sq_last_status));
3298 err = -EAGAIN;
3299 }
3300
3301 return err;
3302}
3303
3304/**
3305 * ice_get_rxfh_key_size - get the RSS hash key size
3306 * @netdev: network interface device structure
3307 *
3308 * Returns the table size.
3309 */
3310static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3311{
3312 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3313}
3314
3315/**
3316 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3317 * @netdev: network interface device structure
3318 *
3319 * Returns the table size.
3320 */
3321static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3322{
3323 struct ice_netdev_priv *np = netdev_priv(netdev);
3324
3325 return np->vsi->rss_table_size;
3326}
3327
3328static int
3329ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
3330 u8 *key, u8 *hfunc, u32 rss_context)
3331{
3332 struct ice_netdev_priv *np = netdev_priv(netdev);
3333 struct ice_vsi *vsi = np->vsi;
3334 struct ice_pf *pf = vsi->back;
3335 u16 qcount, offset;
3336 int err, num_tc, i;
3337 u8 *lut;
3338
3339 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3340 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3341 return -EOPNOTSUPP;
3342 }
3343
3344 if (rss_context && !ice_is_adq_active(pf)) {
3345 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3346 return -EINVAL;
3347 }
3348
3349 qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3350 offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3351
3352 if (rss_context && ice_is_adq_active(pf)) {
3353 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3354 if (rss_context >= num_tc) {
3355 netdev_err(netdev, "RSS context:%d > num_tc:%d\n",
3356 rss_context, num_tc);
3357 return -EINVAL;
3358 }
3359 /* Use channel VSI of given TC */
3360 vsi = vsi->tc_map_vsi[rss_context];
3361 }
3362
3363 if (hfunc)
3364 *hfunc = ETH_RSS_HASH_TOP;
3365
3366 if (!indir)
3367 return 0;
3368
3369 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3370 if (!lut)
3371 return -ENOMEM;
3372
3373 err = ice_get_rss_key(vsi, key);
3374 if (err)
3375 goto out;
3376
3377 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3378 if (err)
3379 goto out;
3380
3381 if (ice_is_adq_active(pf)) {
3382 for (i = 0; i < vsi->rss_table_size; i++)
3383 indir[i] = offset + lut[i] % qcount;
3384 goto out;
3385 }
3386
3387 for (i = 0; i < vsi->rss_table_size; i++)
3388 indir[i] = lut[i];
3389
3390out:
3391 kfree(lut);
3392 return err;
3393}
3394
3395/**
3396 * ice_get_rxfh - get the Rx flow hash indirection table
3397 * @netdev: network interface device structure
3398 * @indir: indirection table
3399 * @key: hash key
3400 * @hfunc: hash function
3401 *
3402 * Reads the indirection table directly from the hardware.
3403 */
3404static int
3405ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3406{
3407 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0);
3408}
3409
3410/**
3411 * ice_set_rxfh - set the Rx flow hash indirection table
3412 * @netdev: network interface device structure
3413 * @indir: indirection table
3414 * @key: hash key
3415 * @hfunc: hash function
3416 *
3417 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3418 * returns 0 after programming the table.
3419 */
3420static int
3421ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3422 const u8 hfunc)
3423{
3424 struct ice_netdev_priv *np = netdev_priv(netdev);
3425 struct ice_vsi *vsi = np->vsi;
3426 struct ice_pf *pf = vsi->back;
3427 struct device *dev;
3428 int err;
3429
3430 dev = ice_pf_to_dev(pf);
3431 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3432 return -EOPNOTSUPP;
3433
3434 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3435 /* RSS not supported return error here */
3436 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3437 return -EIO;
3438 }
3439
3440 if (ice_is_adq_active(pf)) {
3441 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3442 return -EOPNOTSUPP;
3443 }
3444
3445 if (key) {
3446 if (!vsi->rss_hkey_user) {
3447 vsi->rss_hkey_user =
3448 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3449 GFP_KERNEL);
3450 if (!vsi->rss_hkey_user)
3451 return -ENOMEM;
3452 }
3453 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3454
3455 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3456 if (err)
3457 return err;
3458 }
3459
3460 if (!vsi->rss_lut_user) {
3461 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3462 GFP_KERNEL);
3463 if (!vsi->rss_lut_user)
3464 return -ENOMEM;
3465 }
3466
3467 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3468 if (indir) {
3469 int i;
3470
3471 for (i = 0; i < vsi->rss_table_size; i++)
3472 vsi->rss_lut_user[i] = (u8)(indir[i]);
3473 } else {
3474 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3475 vsi->rss_size);
3476 }
3477
3478 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3479 if (err)
3480 return err;
3481
3482 return 0;
3483}
3484
3485static int
3486ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3487{
3488 struct ice_pf *pf = ice_netdev_to_pf(dev);
3489
3490 /* only report timestamping if PTP is enabled */
3491 if (!test_bit(ICE_FLAG_PTP, pf->flags))
3492 return ethtool_op_get_ts_info(dev, info);
3493
3494 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3495 SOF_TIMESTAMPING_RX_SOFTWARE |
3496 SOF_TIMESTAMPING_SOFTWARE |
3497 SOF_TIMESTAMPING_TX_HARDWARE |
3498 SOF_TIMESTAMPING_RX_HARDWARE |
3499 SOF_TIMESTAMPING_RAW_HARDWARE;
3500
3501 info->phc_index = ice_get_ptp_clock_index(pf);
3502
3503 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3504
3505 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3506
3507 return 0;
3508}
3509
3510/**
3511 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3512 * @pf: PF structure
3513 */
3514static int ice_get_max_txq(struct ice_pf *pf)
3515{
3516 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3517 (u16)pf->hw.func_caps.common_cap.num_txq);
3518}
3519
3520/**
3521 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3522 * @pf: PF structure
3523 */
3524static int ice_get_max_rxq(struct ice_pf *pf)
3525{
3526 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3527 (u16)pf->hw.func_caps.common_cap.num_rxq);
3528}
3529
3530/**
3531 * ice_get_combined_cnt - return the current number of combined channels
3532 * @vsi: PF VSI pointer
3533 *
3534 * Go through all queue vectors and count ones that have both Rx and Tx ring
3535 * attached
3536 */
3537static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3538{
3539 u32 combined = 0;
3540 int q_idx;
3541
3542 ice_for_each_q_vector(vsi, q_idx) {
3543 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3544
3545 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3546 combined++;
3547 }
3548
3549 return combined;
3550}
3551
3552/**
3553 * ice_get_channels - get the current and max supported channels
3554 * @dev: network interface device structure
3555 * @ch: ethtool channel data structure
3556 */
3557static void
3558ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3559{
3560 struct ice_netdev_priv *np = netdev_priv(dev);
3561 struct ice_vsi *vsi = np->vsi;
3562 struct ice_pf *pf = vsi->back;
3563
3564 /* report maximum channels */
3565 ch->max_rx = ice_get_max_rxq(pf);
3566 ch->max_tx = ice_get_max_txq(pf);
3567 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3568
3569 /* report current channels */
3570 ch->combined_count = ice_get_combined_cnt(vsi);
3571 ch->rx_count = vsi->num_rxq - ch->combined_count;
3572 ch->tx_count = vsi->num_txq - ch->combined_count;
3573
3574 /* report other queues */
3575 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3576 ch->max_other = ch->other_count;
3577}
3578
3579/**
3580 * ice_get_valid_rss_size - return valid number of RSS queues
3581 * @hw: pointer to the HW structure
3582 * @new_size: requested RSS queues
3583 */
3584static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3585{
3586 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3587
3588 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3589}
3590
3591/**
3592 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3593 * @vsi: VSI to reconfigure RSS LUT on
3594 * @req_rss_size: requested range of queue numbers for hashing
3595 *
3596 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3597 */
3598static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3599{
3600 struct ice_pf *pf = vsi->back;
3601 struct device *dev;
3602 struct ice_hw *hw;
3603 int err;
3604 u8 *lut;
3605
3606 dev = ice_pf_to_dev(pf);
3607 hw = &pf->hw;
3608
3609 if (!req_rss_size)
3610 return -EINVAL;
3611
3612 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3613 if (!lut)
3614 return -ENOMEM;
3615
3616 /* set RSS LUT parameters */
3617 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3618 vsi->rss_size = 1;
3619 else
3620 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3621
3622 /* create/set RSS LUT */
3623 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3624 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3625 if (err)
3626 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3627 ice_aq_str(hw->adminq.sq_last_status));
3628
3629 kfree(lut);
3630 return err;
3631}
3632
3633/**
3634 * ice_set_channels - set the number channels
3635 * @dev: network interface device structure
3636 * @ch: ethtool channel data structure
3637 */
3638static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3639{
3640 struct ice_netdev_priv *np = netdev_priv(dev);
3641 struct ice_vsi *vsi = np->vsi;
3642 struct ice_pf *pf = vsi->back;
3643 int new_rx = 0, new_tx = 0;
3644 bool locked = false;
3645 u32 curr_combined;
3646 int ret = 0;
3647
3648 /* do not support changing channels in Safe Mode */
3649 if (ice_is_safe_mode(pf)) {
3650 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3651 return -EOPNOTSUPP;
3652 }
3653 /* do not support changing other_count */
3654 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3655 return -EINVAL;
3656
3657 if (ice_is_adq_active(pf)) {
3658 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3659 return -EOPNOTSUPP;
3660 }
3661
3662 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3663 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3664 return -EOPNOTSUPP;
3665 }
3666
3667 curr_combined = ice_get_combined_cnt(vsi);
3668
3669 /* these checks are for cases where user didn't specify a particular
3670 * value on cmd line but we get non-zero value anyway via
3671 * get_channels(); look at ethtool.c in ethtool repository (the user
3672 * space part), particularly, do_schannels() routine
3673 */
3674 if (ch->rx_count == vsi->num_rxq - curr_combined)
3675 ch->rx_count = 0;
3676 if (ch->tx_count == vsi->num_txq - curr_combined)
3677 ch->tx_count = 0;
3678 if (ch->combined_count == curr_combined)
3679 ch->combined_count = 0;
3680
3681 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3682 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3683 return -EINVAL;
3684 }
3685
3686 new_rx = ch->combined_count + ch->rx_count;
3687 new_tx = ch->combined_count + ch->tx_count;
3688
3689 if (new_rx < vsi->tc_cfg.numtc) {
3690 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3691 vsi->tc_cfg.numtc);
3692 return -EINVAL;
3693 }
3694 if (new_tx < vsi->tc_cfg.numtc) {
3695 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3696 vsi->tc_cfg.numtc);
3697 return -EINVAL;
3698 }
3699 if (new_rx > ice_get_max_rxq(pf)) {
3700 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3701 ice_get_max_rxq(pf));
3702 return -EINVAL;
3703 }
3704 if (new_tx > ice_get_max_txq(pf)) {
3705 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3706 ice_get_max_txq(pf));
3707 return -EINVAL;
3708 }
3709
3710 if (pf->adev) {
3711 mutex_lock(&pf->adev_mutex);
3712 device_lock(&pf->adev->dev);
3713 locked = true;
3714 if (pf->adev->dev.driver) {
3715 netdev_err(dev, "Cannot change channels when RDMA is active\n");
3716 ret = -EBUSY;
3717 goto adev_unlock;
3718 }
3719 }
3720
3721 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3722
3723 if (!netif_is_rxfh_configured(dev)) {
3724 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3725 goto adev_unlock;
3726 }
3727
3728 /* Update rss_size due to change in Rx queues */
3729 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3730
3731adev_unlock:
3732 if (locked) {
3733 device_unlock(&pf->adev->dev);
3734 mutex_unlock(&pf->adev_mutex);
3735 }
3736 return ret;
3737}
3738
3739/**
3740 * ice_get_wol - get current Wake on LAN configuration
3741 * @netdev: network interface device structure
3742 * @wol: Ethtool structure to retrieve WoL settings
3743 */
3744static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3745{
3746 struct ice_netdev_priv *np = netdev_priv(netdev);
3747 struct ice_pf *pf = np->vsi->back;
3748
3749 if (np->vsi->type != ICE_VSI_PF)
3750 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3751
3752 /* Get WoL settings based on the HW capability */
3753 if (ice_is_wol_supported(&pf->hw)) {
3754 wol->supported = WAKE_MAGIC;
3755 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3756 } else {
3757 wol->supported = 0;
3758 wol->wolopts = 0;
3759 }
3760}
3761
3762/**
3763 * ice_set_wol - set Wake on LAN on supported device
3764 * @netdev: network interface device structure
3765 * @wol: Ethtool structure to set WoL
3766 */
3767static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3768{
3769 struct ice_netdev_priv *np = netdev_priv(netdev);
3770 struct ice_vsi *vsi = np->vsi;
3771 struct ice_pf *pf = vsi->back;
3772
3773 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3774 return -EOPNOTSUPP;
3775
3776 /* only magic packet is supported */
3777 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3778 return -EOPNOTSUPP;
3779
3780 /* Set WoL only if there is a new value */
3781 if (pf->wol_ena != !!wol->wolopts) {
3782 pf->wol_ena = !!wol->wolopts;
3783 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3784 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3785 pf->wol_ena ? "en" : "dis");
3786 }
3787
3788 return 0;
3789}
3790
3791/**
3792 * ice_get_rc_coalesce - get ITR values for specific ring container
3793 * @ec: ethtool structure to fill with driver's coalesce settings
3794 * @rc: ring container that the ITR values will come from
3795 *
3796 * Query the device for ice_ring_container specific ITR values. This is
3797 * done per ice_ring_container because each q_vector can have 1 or more rings
3798 * and all of said ring(s) will have the same ITR values.
3799 *
3800 * Returns 0 on success, negative otherwise.
3801 */
3802static int
3803ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3804{
3805 if (!rc->rx_ring)
3806 return -EINVAL;
3807
3808 switch (rc->type) {
3809 case ICE_RX_CONTAINER:
3810 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3811 ec->rx_coalesce_usecs = rc->itr_setting;
3812 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3813 break;
3814 case ICE_TX_CONTAINER:
3815 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3816 ec->tx_coalesce_usecs = rc->itr_setting;
3817 break;
3818 default:
3819 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3820 return -EINVAL;
3821 }
3822
3823 return 0;
3824}
3825
3826/**
3827 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3828 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3829 * @ec: coalesce settings to program the device with
3830 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3831 *
3832 * Return 0 on success, and negative under the following conditions:
3833 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3834 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3835 */
3836static int
3837ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3838{
3839 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3840 if (ice_get_rc_coalesce(ec,
3841 &vsi->rx_rings[q_num]->q_vector->rx))
3842 return -EINVAL;
3843 if (ice_get_rc_coalesce(ec,
3844 &vsi->tx_rings[q_num]->q_vector->tx))
3845 return -EINVAL;
3846 } else if (q_num < vsi->num_rxq) {
3847 if (ice_get_rc_coalesce(ec,
3848 &vsi->rx_rings[q_num]->q_vector->rx))
3849 return -EINVAL;
3850 } else if (q_num < vsi->num_txq) {
3851 if (ice_get_rc_coalesce(ec,
3852 &vsi->tx_rings[q_num]->q_vector->tx))
3853 return -EINVAL;
3854 } else {
3855 return -EINVAL;
3856 }
3857
3858 return 0;
3859}
3860
3861/**
3862 * __ice_get_coalesce - get ITR/INTRL values for the device
3863 * @netdev: pointer to the netdev associated with this query
3864 * @ec: ethtool structure to fill with driver's coalesce settings
3865 * @q_num: queue number to get the coalesce settings for
3866 *
3867 * If the caller passes in a negative q_num then we return coalesce settings
3868 * based on queue number 0, else use the actual q_num passed in.
3869 */
3870static int
3871__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3872 int q_num)
3873{
3874 struct ice_netdev_priv *np = netdev_priv(netdev);
3875 struct ice_vsi *vsi = np->vsi;
3876
3877 if (q_num < 0)
3878 q_num = 0;
3879
3880 if (ice_get_q_coalesce(vsi, ec, q_num))
3881 return -EINVAL;
3882
3883 return 0;
3884}
3885
3886static int ice_get_coalesce(struct net_device *netdev,
3887 struct ethtool_coalesce *ec,
3888 struct kernel_ethtool_coalesce *kernel_coal,
3889 struct netlink_ext_ack *extack)
3890{
3891 return __ice_get_coalesce(netdev, ec, -1);
3892}
3893
3894static int
3895ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3896 struct ethtool_coalesce *ec)
3897{
3898 return __ice_get_coalesce(netdev, ec, q_num);
3899}
3900
3901/**
3902 * ice_set_rc_coalesce - set ITR values for specific ring container
3903 * @ec: ethtool structure from user to update ITR settings
3904 * @rc: ring container that the ITR values will come from
3905 * @vsi: VSI associated to the ring container
3906 *
3907 * Set specific ITR values. This is done per ice_ring_container because each
3908 * q_vector can have 1 or more rings and all of said ring(s) will have the same
3909 * ITR values.
3910 *
3911 * Returns 0 on success, negative otherwise.
3912 */
3913static int
3914ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3915 struct ice_ring_container *rc, struct ice_vsi *vsi)
3916{
3917 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3918 u32 use_adaptive_coalesce, coalesce_usecs;
3919 struct ice_pf *pf = vsi->back;
3920 u16 itr_setting;
3921
3922 if (!rc->rx_ring)
3923 return -EINVAL;
3924
3925 switch (rc->type) {
3926 case ICE_RX_CONTAINER:
3927 {
3928 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3929
3930 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3931 (ec->rx_coalesce_usecs_high &&
3932 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3933 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3934 c_type_str, pf->hw.intrl_gran,
3935 ICE_MAX_INTRL);
3936 return -EINVAL;
3937 }
3938 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3939 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3940 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3941 c_type_str);
3942 return -EINVAL;
3943 }
3944 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3945 q_vector->intrl = ec->rx_coalesce_usecs_high;
3946
3947 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3948 coalesce_usecs = ec->rx_coalesce_usecs;
3949
3950 break;
3951 }
3952 case ICE_TX_CONTAINER:
3953 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3954 coalesce_usecs = ec->tx_coalesce_usecs;
3955
3956 break;
3957 default:
3958 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3959 rc->type);
3960 return -EINVAL;
3961 }
3962
3963 itr_setting = rc->itr_setting;
3964 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3965 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3966 c_type_str, c_type_str);
3967 return -EINVAL;
3968 }
3969
3970 if (coalesce_usecs > ICE_ITR_MAX) {
3971 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3972 c_type_str, ICE_ITR_MAX);
3973 return -EINVAL;
3974 }
3975
3976 if (use_adaptive_coalesce) {
3977 rc->itr_mode = ITR_DYNAMIC;
3978 } else {
3979 rc->itr_mode = ITR_STATIC;
3980 /* store user facing value how it was set */
3981 rc->itr_setting = coalesce_usecs;
3982 /* write the change to the register */
3983 ice_write_itr(rc, coalesce_usecs);
3984 /* force writes to take effect immediately, the flush shouldn't
3985 * be done in the functions above because the intent is for
3986 * them to do lazy writes.
3987 */
3988 ice_flush(&pf->hw);
3989 }
3990
3991 return 0;
3992}
3993
3994/**
3995 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3996 * @vsi: VSI associated to the queue that need updating
3997 * @ec: coalesce settings to program the device with
3998 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3999 *
4000 * Return 0 on success, and negative under the following conditions:
4001 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
4002 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4003 */
4004static int
4005ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4006{
4007 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4008 if (ice_set_rc_coalesce(ec,
4009 &vsi->rx_rings[q_num]->q_vector->rx,
4010 vsi))
4011 return -EINVAL;
4012
4013 if (ice_set_rc_coalesce(ec,
4014 &vsi->tx_rings[q_num]->q_vector->tx,
4015 vsi))
4016 return -EINVAL;
4017 } else if (q_num < vsi->num_rxq) {
4018 if (ice_set_rc_coalesce(ec,
4019 &vsi->rx_rings[q_num]->q_vector->rx,
4020 vsi))
4021 return -EINVAL;
4022 } else if (q_num < vsi->num_txq) {
4023 if (ice_set_rc_coalesce(ec,
4024 &vsi->tx_rings[q_num]->q_vector->tx,
4025 vsi))
4026 return -EINVAL;
4027 } else {
4028 return -EINVAL;
4029 }
4030
4031 return 0;
4032}
4033
4034/**
4035 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
4036 * @netdev: netdev used for print
4037 * @itr_setting: previous user setting
4038 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
4039 * @coalesce_usecs: requested value of [tx|rx]-usecs
4040 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
4041 */
4042static void
4043ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
4044 u32 use_adaptive_coalesce, u32 coalesce_usecs,
4045 const char *c_type_str)
4046{
4047 if (use_adaptive_coalesce)
4048 return;
4049
4050 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
4051 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
4052 c_type_str, coalesce_usecs, c_type_str,
4053 ITR_REG_ALIGN(coalesce_usecs));
4054}
4055
4056/**
4057 * __ice_set_coalesce - set ITR/INTRL values for the device
4058 * @netdev: pointer to the netdev associated with this query
4059 * @ec: ethtool structure to fill with driver's coalesce settings
4060 * @q_num: queue number to get the coalesce settings for
4061 *
4062 * If the caller passes in a negative q_num then we set the coalesce settings
4063 * for all Tx/Rx queues, else use the actual q_num passed in.
4064 */
4065static int
4066__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4067 int q_num)
4068{
4069 struct ice_netdev_priv *np = netdev_priv(netdev);
4070 struct ice_vsi *vsi = np->vsi;
4071
4072 if (q_num < 0) {
4073 struct ice_q_vector *q_vector = vsi->q_vectors[0];
4074 int v_idx;
4075
4076 if (q_vector) {
4077 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
4078 ec->use_adaptive_rx_coalesce,
4079 ec->rx_coalesce_usecs, "rx");
4080
4081 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
4082 ec->use_adaptive_tx_coalesce,
4083 ec->tx_coalesce_usecs, "tx");
4084 }
4085
4086 ice_for_each_q_vector(vsi, v_idx) {
4087 /* In some cases if DCB is configured the num_[rx|tx]q
4088 * can be less than vsi->num_q_vectors. This check
4089 * accounts for that so we don't report a false failure
4090 */
4091 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
4092 goto set_complete;
4093
4094 if (ice_set_q_coalesce(vsi, ec, v_idx))
4095 return -EINVAL;
4096
4097 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
4098 }
4099 goto set_complete;
4100 }
4101
4102 if (ice_set_q_coalesce(vsi, ec, q_num))
4103 return -EINVAL;
4104
4105 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
4106
4107set_complete:
4108 return 0;
4109}
4110
4111static int ice_set_coalesce(struct net_device *netdev,
4112 struct ethtool_coalesce *ec,
4113 struct kernel_ethtool_coalesce *kernel_coal,
4114 struct netlink_ext_ack *extack)
4115{
4116 return __ice_set_coalesce(netdev, ec, -1);
4117}
4118
4119static int
4120ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
4121 struct ethtool_coalesce *ec)
4122{
4123 return __ice_set_coalesce(netdev, ec, q_num);
4124}
4125
4126static void
4127ice_repr_get_drvinfo(struct net_device *netdev,
4128 struct ethtool_drvinfo *drvinfo)
4129{
4130 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4131
4132 if (ice_check_vf_ready_for_cfg(repr->vf))
4133 return;
4134
4135 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4136}
4137
4138static void
4139ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4140{
4141 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4142
4143 /* for port representors only ETH_SS_STATS is supported */
4144 if (ice_check_vf_ready_for_cfg(repr->vf) ||
4145 stringset != ETH_SS_STATS)
4146 return;
4147
4148 __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4149}
4150
4151static void
4152ice_repr_get_ethtool_stats(struct net_device *netdev,
4153 struct ethtool_stats __always_unused *stats,
4154 u64 *data)
4155{
4156 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4157
4158 if (ice_check_vf_ready_for_cfg(repr->vf))
4159 return;
4160
4161 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4162}
4163
4164static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4165{
4166 switch (sset) {
4167 case ETH_SS_STATS:
4168 return ICE_VSI_STATS_LEN;
4169 default:
4170 return -EOPNOTSUPP;
4171 }
4172}
4173
4174#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4175#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4176#define ICE_MODULE_TYPE_SFP 0x03
4177#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4178#define ICE_MODULE_TYPE_QSFP28 0x11
4179#define ICE_MODULE_SFF_ADDR_MODE 0x04
4180#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4181#define ICE_MODULE_REVISION_ADDR 0x01
4182#define ICE_MODULE_SFF_8472_COMP 0x5E
4183#define ICE_MODULE_SFF_8472_SWAP 0x5C
4184#define ICE_MODULE_QSFP_MAX_LEN 640
4185
4186/**
4187 * ice_get_module_info - get SFF module type and revision information
4188 * @netdev: network interface device structure
4189 * @modinfo: module EEPROM size and layout information structure
4190 */
4191static int
4192ice_get_module_info(struct net_device *netdev,
4193 struct ethtool_modinfo *modinfo)
4194{
4195 struct ice_netdev_priv *np = netdev_priv(netdev);
4196 struct ice_vsi *vsi = np->vsi;
4197 struct ice_pf *pf = vsi->back;
4198 struct ice_hw *hw = &pf->hw;
4199 u8 sff8472_comp = 0;
4200 u8 sff8472_swap = 0;
4201 u8 sff8636_rev = 0;
4202 u8 value = 0;
4203 int status;
4204
4205 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4206 0, &value, 1, 0, NULL);
4207 if (status)
4208 return status;
4209
4210 switch (value) {
4211 case ICE_MODULE_TYPE_SFP:
4212 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4213 ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4214 &sff8472_comp, 1, 0, NULL);
4215 if (status)
4216 return status;
4217 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4218 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4219 &sff8472_swap, 1, 0, NULL);
4220 if (status)
4221 return status;
4222
4223 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4224 modinfo->type = ETH_MODULE_SFF_8079;
4225 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4226 } else if (sff8472_comp &&
4227 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4228 modinfo->type = ETH_MODULE_SFF_8472;
4229 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4230 } else {
4231 modinfo->type = ETH_MODULE_SFF_8079;
4232 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4233 }
4234 break;
4235 case ICE_MODULE_TYPE_QSFP_PLUS:
4236 case ICE_MODULE_TYPE_QSFP28:
4237 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4238 ICE_MODULE_REVISION_ADDR, 0x00, 0,
4239 &sff8636_rev, 1, 0, NULL);
4240 if (status)
4241 return status;
4242 /* Check revision compliance */
4243 if (sff8636_rev > 0x02) {
4244 /* Module is SFF-8636 compliant */
4245 modinfo->type = ETH_MODULE_SFF_8636;
4246 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4247 } else {
4248 modinfo->type = ETH_MODULE_SFF_8436;
4249 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4250 }
4251 break;
4252 default:
4253 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4254 return -EINVAL;
4255 }
4256 return 0;
4257}
4258
4259/**
4260 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4261 * @netdev: network interface device structure
4262 * @ee: EEPROM dump request structure
4263 * @data: buffer to be filled with EEPROM contents
4264 */
4265static int
4266ice_get_module_eeprom(struct net_device *netdev,
4267 struct ethtool_eeprom *ee, u8 *data)
4268{
4269 struct ice_netdev_priv *np = netdev_priv(netdev);
4270#define SFF_READ_BLOCK_SIZE 8
4271 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4272 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4273 struct ice_vsi *vsi = np->vsi;
4274 struct ice_pf *pf = vsi->back;
4275 struct ice_hw *hw = &pf->hw;
4276 bool is_sfp = false;
4277 unsigned int i, j;
4278 u16 offset = 0;
4279 u8 page = 0;
4280 int status;
4281
4282 if (!ee || !ee->len || !data)
4283 return -EINVAL;
4284
4285 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4286 NULL);
4287 if (status)
4288 return status;
4289
4290 if (value[0] == ICE_MODULE_TYPE_SFP)
4291 is_sfp = true;
4292
4293 memset(data, 0, ee->len);
4294 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4295 offset = i + ee->offset;
4296 page = 0;
4297
4298 /* Check if we need to access the other memory page */
4299 if (is_sfp) {
4300 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4301 offset -= ETH_MODULE_SFF_8079_LEN;
4302 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4303 }
4304 } else {
4305 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4306 /* Compute memory page number and offset. */
4307 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4308 page++;
4309 }
4310 }
4311
4312 /* Bit 2 of EEPROM address 0x02 declares upper
4313 * pages are disabled on QSFP modules.
4314 * SFP modules only ever use page 0.
4315 */
4316 if (page == 0 || !(data[0x2] & 0x4)) {
4317 /* If i2c bus is busy due to slow page change or
4318 * link management access, call can fail. This is normal.
4319 * So we retry this a few times.
4320 */
4321 for (j = 0; j < 4; j++) {
4322 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4323 !is_sfp, value,
4324 SFF_READ_BLOCK_SIZE,
4325 0, NULL);
4326 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4327 addr, offset, page, is_sfp,
4328 value[0], value[1], value[2], value[3],
4329 value[4], value[5], value[6], value[7],
4330 status);
4331 if (status) {
4332 usleep_range(1500, 2500);
4333 memset(value, 0, SFF_READ_BLOCK_SIZE);
4334 continue;
4335 }
4336 break;
4337 }
4338
4339 /* Make sure we have enough room for the new block */
4340 if ((i + SFF_READ_BLOCK_SIZE) < ee->len)
4341 memcpy(data + i, value, SFF_READ_BLOCK_SIZE);
4342 }
4343 }
4344 return 0;
4345}
4346
4347static const struct ethtool_ops ice_ethtool_ops = {
4348 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4349 ETHTOOL_COALESCE_USE_ADAPTIVE |
4350 ETHTOOL_COALESCE_RX_USECS_HIGH,
4351 .get_link_ksettings = ice_get_link_ksettings,
4352 .set_link_ksettings = ice_set_link_ksettings,
4353 .get_drvinfo = ice_get_drvinfo,
4354 .get_regs_len = ice_get_regs_len,
4355 .get_regs = ice_get_regs,
4356 .get_wol = ice_get_wol,
4357 .set_wol = ice_set_wol,
4358 .get_msglevel = ice_get_msglevel,
4359 .set_msglevel = ice_set_msglevel,
4360 .self_test = ice_self_test,
4361 .get_link = ethtool_op_get_link,
4362 .get_eeprom_len = ice_get_eeprom_len,
4363 .get_eeprom = ice_get_eeprom,
4364 .get_coalesce = ice_get_coalesce,
4365 .set_coalesce = ice_set_coalesce,
4366 .get_strings = ice_get_strings,
4367 .set_phys_id = ice_set_phys_id,
4368 .get_ethtool_stats = ice_get_ethtool_stats,
4369 .get_priv_flags = ice_get_priv_flags,
4370 .set_priv_flags = ice_set_priv_flags,
4371 .get_sset_count = ice_get_sset_count,
4372 .get_rxnfc = ice_get_rxnfc,
4373 .set_rxnfc = ice_set_rxnfc,
4374 .get_ringparam = ice_get_ringparam,
4375 .set_ringparam = ice_set_ringparam,
4376 .nway_reset = ice_nway_reset,
4377 .get_pauseparam = ice_get_pauseparam,
4378 .set_pauseparam = ice_set_pauseparam,
4379 .get_rxfh_key_size = ice_get_rxfh_key_size,
4380 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4381 .get_rxfh_context = ice_get_rxfh_context,
4382 .get_rxfh = ice_get_rxfh,
4383 .set_rxfh = ice_set_rxfh,
4384 .get_channels = ice_get_channels,
4385 .set_channels = ice_set_channels,
4386 .get_ts_info = ice_get_ts_info,
4387 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4388 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4389 .get_fecparam = ice_get_fecparam,
4390 .set_fecparam = ice_set_fecparam,
4391 .get_module_info = ice_get_module_info,
4392 .get_module_eeprom = ice_get_module_eeprom,
4393};
4394
4395static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4396 .get_link_ksettings = ice_get_link_ksettings,
4397 .set_link_ksettings = ice_set_link_ksettings,
4398 .get_drvinfo = ice_get_drvinfo,
4399 .get_regs_len = ice_get_regs_len,
4400 .get_regs = ice_get_regs,
4401 .get_wol = ice_get_wol,
4402 .set_wol = ice_set_wol,
4403 .get_msglevel = ice_get_msglevel,
4404 .set_msglevel = ice_set_msglevel,
4405 .get_link = ethtool_op_get_link,
4406 .get_eeprom_len = ice_get_eeprom_len,
4407 .get_eeprom = ice_get_eeprom,
4408 .get_strings = ice_get_strings,
4409 .get_ethtool_stats = ice_get_ethtool_stats,
4410 .get_sset_count = ice_get_sset_count,
4411 .get_ringparam = ice_get_ringparam,
4412 .set_ringparam = ice_set_ringparam,
4413 .nway_reset = ice_nway_reset,
4414 .get_channels = ice_get_channels,
4415};
4416
4417/**
4418 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4419 * @netdev: network interface device structure
4420 */
4421void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4422{
4423 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4424}
4425
4426static const struct ethtool_ops ice_ethtool_repr_ops = {
4427 .get_drvinfo = ice_repr_get_drvinfo,
4428 .get_link = ethtool_op_get_link,
4429 .get_strings = ice_repr_get_strings,
4430 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4431 .get_sset_count = ice_repr_get_sset_count,
4432};
4433
4434/**
4435 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4436 * @netdev: network interface device structure
4437 */
4438void ice_set_ethtool_repr_ops(struct net_device *netdev)
4439{
4440 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4441}
4442
4443/**
4444 * ice_set_ethtool_ops - setup netdev ethtool ops
4445 * @netdev: network interface device structure
4446 *
4447 * setup netdev ethtool ops with ice specific ops
4448 */
4449void ice_set_ethtool_ops(struct net_device *netdev)
4450{
4451 netdev->ethtool_ops = &ice_ethtool_ops;
4452}