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