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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_lib.h"
8#include "ice_dcb_lib.h"
9
10struct ice_stats {
11 char stat_string[ETH_GSTRING_LEN];
12 int sizeof_stat;
13 int stat_offset;
14};
15
16#define ICE_STAT(_type, _name, _stat) { \
17 .stat_string = _name, \
18 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
19 .stat_offset = offsetof(_type, _stat) \
20}
21
22#define ICE_VSI_STAT(_name, _stat) \
23 ICE_STAT(struct ice_vsi, _name, _stat)
24#define ICE_PF_STAT(_name, _stat) \
25 ICE_STAT(struct ice_pf, _name, _stat)
26
27static int ice_q_stats_len(struct net_device *netdev)
28{
29 struct ice_netdev_priv *np = netdev_priv(netdev);
30
31 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
32 (sizeof(struct ice_q_stats) / sizeof(u64)));
33}
34
35#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
36#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
37
38#define ICE_PFC_STATS_LEN ( \
39 (FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \
40 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \
41 FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \
42 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \
43 / sizeof(u64))
44#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
45 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
46
47static const struct ice_stats ice_gstrings_vsi_stats[] = {
48 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
49 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
50 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
51 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
52 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
53 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
54 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
55 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
56 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
57 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
58 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
59 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
60 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
61 ICE_VSI_STAT("tx_linearize", tx_linearize),
62};
63
64enum ice_ethtool_test_id {
65 ICE_ETH_TEST_REG = 0,
66 ICE_ETH_TEST_EEPROM,
67 ICE_ETH_TEST_INTR,
68 ICE_ETH_TEST_LOOP,
69 ICE_ETH_TEST_LINK,
70};
71
72static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
73 "Register test (offline)",
74 "EEPROM test (offline)",
75 "Interrupt test (offline)",
76 "Loopback test (offline)",
77 "Link test (on/offline)",
78};
79
80#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
81
82/* These PF_STATs might look like duplicates of some NETDEV_STATs,
83 * but they aren't. This device is capable of supporting multiple
84 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
85 * netdevs whereas the PF_STATs are for the physical function that's
86 * hosting these netdevs.
87 *
88 * The PF_STATs are appended to the netdev stats only when ethtool -S
89 * is queried on the base PF netdev.
90 */
91static const struct ice_stats ice_gstrings_pf_stats[] = {
92 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
93 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
94 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
95 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
96 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
97 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
98 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
99 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
100 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
101 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
102 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
103 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
104 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
105 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
106 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
107 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
108 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
109 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
110 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
111 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
112 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
113 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
114 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
115 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
116 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
117 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
118 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
119 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
120 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
121 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
122 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
123 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
124 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
125 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
126 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
127 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
128 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
129 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
130 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
131};
132
133static const u32 ice_regs_dump_list[] = {
134 PFGEN_STATE,
135 PRTGEN_STATUS,
136 QRX_CTRL(0),
137 QINT_TQCTL(0),
138 QINT_RQCTL(0),
139 PFINT_OICR_ENA,
140 QRX_ITR(0),
141 PF0INT_ITR_0(0),
142 PF0INT_ITR_1(0),
143 PF0INT_ITR_2(0),
144};
145
146struct ice_priv_flag {
147 char name[ETH_GSTRING_LEN];
148 u32 bitno; /* bit position in pf->flags */
149};
150
151#define ICE_PRIV_FLAG(_name, _bitno) { \
152 .name = _name, \
153 .bitno = _bitno, \
154}
155
156static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
157 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
158 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
159};
160
161#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
162
163static void
164ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
165{
166 struct ice_netdev_priv *np = netdev_priv(netdev);
167 struct ice_vsi *vsi = np->vsi;
168 struct ice_pf *pf = vsi->back;
169
170 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
171 strlcpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version));
172 strlcpy(drvinfo->fw_version, ice_nvm_version_str(&pf->hw),
173 sizeof(drvinfo->fw_version));
174 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
175 sizeof(drvinfo->bus_info));
176 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
177}
178
179static int ice_get_regs_len(struct net_device __always_unused *netdev)
180{
181 return sizeof(ice_regs_dump_list);
182}
183
184static void
185ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
186{
187 struct ice_netdev_priv *np = netdev_priv(netdev);
188 struct ice_pf *pf = np->vsi->back;
189 struct ice_hw *hw = &pf->hw;
190 u32 *regs_buf = (u32 *)p;
191 int i;
192
193 regs->version = 1;
194
195 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
196 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
197}
198
199static u32 ice_get_msglevel(struct net_device *netdev)
200{
201 struct ice_netdev_priv *np = netdev_priv(netdev);
202 struct ice_pf *pf = np->vsi->back;
203
204#ifndef CONFIG_DYNAMIC_DEBUG
205 if (pf->hw.debug_mask)
206 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
207 pf->hw.debug_mask);
208#endif /* !CONFIG_DYNAMIC_DEBUG */
209
210 return pf->msg_enable;
211}
212
213static void ice_set_msglevel(struct net_device *netdev, u32 data)
214{
215 struct ice_netdev_priv *np = netdev_priv(netdev);
216 struct ice_pf *pf = np->vsi->back;
217
218#ifndef CONFIG_DYNAMIC_DEBUG
219 if (ICE_DBG_USER & data)
220 pf->hw.debug_mask = data;
221 else
222 pf->msg_enable = data;
223#else
224 pf->msg_enable = data;
225#endif /* !CONFIG_DYNAMIC_DEBUG */
226}
227
228static int ice_get_eeprom_len(struct net_device *netdev)
229{
230 struct ice_netdev_priv *np = netdev_priv(netdev);
231 struct ice_pf *pf = np->vsi->back;
232
233 return (int)(pf->hw.nvm.sr_words * sizeof(u16));
234}
235
236static int
237ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
238 u8 *bytes)
239{
240 struct ice_netdev_priv *np = netdev_priv(netdev);
241 u16 first_word, last_word, nwords;
242 struct ice_vsi *vsi = np->vsi;
243 struct ice_pf *pf = vsi->back;
244 struct ice_hw *hw = &pf->hw;
245 enum ice_status status;
246 struct device *dev;
247 int ret = 0;
248 u16 *buf;
249
250 dev = &pf->pdev->dev;
251
252 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
253
254 first_word = eeprom->offset >> 1;
255 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
256 nwords = last_word - first_word + 1;
257
258 buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL);
259 if (!buf)
260 return -ENOMEM;
261
262 status = ice_read_sr_buf(hw, first_word, &nwords, buf);
263 if (status) {
264 dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n",
265 status, hw->adminq.sq_last_status);
266 eeprom->len = sizeof(u16) * nwords;
267 ret = -EIO;
268 goto out;
269 }
270
271 memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len);
272out:
273 devm_kfree(dev, buf);
274 return ret;
275}
276
277/**
278 * ice_active_vfs - check if there are any active VFs
279 * @pf: board private structure
280 *
281 * Returns true if an active VF is found, otherwise returns false
282 */
283static bool ice_active_vfs(struct ice_pf *pf)
284{
285 struct ice_vf *vf = pf->vf;
286 int i;
287
288 for (i = 0; i < pf->num_alloc_vfs; i++, vf++)
289 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
290 return true;
291 return false;
292}
293
294/**
295 * ice_link_test - perform a link test on a given net_device
296 * @netdev: network interface device structure
297 *
298 * This function performs one of the self-tests required by ethtool.
299 * Returns 0 on success, non-zero on failure.
300 */
301static u64 ice_link_test(struct net_device *netdev)
302{
303 struct ice_netdev_priv *np = netdev_priv(netdev);
304 enum ice_status status;
305 bool link_up = false;
306
307 netdev_info(netdev, "link test\n");
308 status = ice_get_link_status(np->vsi->port_info, &link_up);
309 if (status) {
310 netdev_err(netdev, "link query error, status = %d\n", status);
311 return 1;
312 }
313
314 if (!link_up)
315 return 2;
316
317 return 0;
318}
319
320/**
321 * ice_eeprom_test - perform an EEPROM test on a given net_device
322 * @netdev: network interface device structure
323 *
324 * This function performs one of the self-tests required by ethtool.
325 * Returns 0 on success, non-zero on failure.
326 */
327static u64 ice_eeprom_test(struct net_device *netdev)
328{
329 struct ice_netdev_priv *np = netdev_priv(netdev);
330 struct ice_pf *pf = np->vsi->back;
331
332 netdev_info(netdev, "EEPROM test\n");
333 return !!(ice_nvm_validate_checksum(&pf->hw));
334}
335
336/**
337 * ice_reg_pattern_test
338 * @hw: pointer to the HW struct
339 * @reg: reg to be tested
340 * @mask: bits to be touched
341 */
342static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
343{
344 struct ice_pf *pf = (struct ice_pf *)hw->back;
345 static const u32 patterns[] = {
346 0x5A5A5A5A, 0xA5A5A5A5,
347 0x00000000, 0xFFFFFFFF
348 };
349 u32 val, orig_val;
350 int i;
351
352 orig_val = rd32(hw, reg);
353 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
354 u32 pattern = patterns[i] & mask;
355
356 wr32(hw, reg, pattern);
357 val = rd32(hw, reg);
358 if (val == pattern)
359 continue;
360 dev_err(&pf->pdev->dev,
361 "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
362 , __func__, reg, pattern, val);
363 return 1;
364 }
365
366 wr32(hw, reg, orig_val);
367 val = rd32(hw, reg);
368 if (val != orig_val) {
369 dev_err(&pf->pdev->dev,
370 "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
371 , __func__, reg, orig_val, val);
372 return 1;
373 }
374
375 return 0;
376}
377
378/**
379 * ice_reg_test - perform a register test on a given net_device
380 * @netdev: network interface device structure
381 *
382 * This function performs one of the self-tests required by ethtool.
383 * Returns 0 on success, non-zero on failure.
384 */
385static u64 ice_reg_test(struct net_device *netdev)
386{
387 struct ice_netdev_priv *np = netdev_priv(netdev);
388 struct ice_hw *hw = np->vsi->port_info->hw;
389 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
390 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
391 struct ice_diag_reg_test_info {
392 u32 address;
393 u32 mask;
394 u32 elem_num;
395 u32 elem_size;
396 } ice_reg_list[] = {
397 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
398 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
399 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
400 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
401 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
402 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
403 {GLINT_CTL, 0xffff0001, 1, 0}
404 };
405 int i;
406
407 netdev_dbg(netdev, "Register test\n");
408 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
409 u32 j;
410
411 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
412 u32 mask = ice_reg_list[i].mask;
413 u32 reg = ice_reg_list[i].address +
414 (j * ice_reg_list[i].elem_size);
415
416 /* bail on failure (non-zero return) */
417 if (ice_reg_pattern_test(hw, reg, mask))
418 return 1;
419 }
420 }
421
422 return 0;
423}
424
425/**
426 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
427 * @vsi: pointer to the VSI structure
428 *
429 * Function configures rings of a VSI for loopback test without
430 * enabling interrupts or informing the kernel about new queues.
431 *
432 * Returns 0 on success, negative on failure.
433 */
434static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
435{
436 int status;
437
438 status = ice_vsi_setup_tx_rings(vsi);
439 if (status)
440 goto err_setup_tx_ring;
441
442 status = ice_vsi_setup_rx_rings(vsi);
443 if (status)
444 goto err_setup_rx_ring;
445
446 status = ice_vsi_cfg(vsi);
447 if (status)
448 goto err_setup_rx_ring;
449
450 status = ice_vsi_start_rx_rings(vsi);
451 if (status)
452 goto err_start_rx_ring;
453
454 return status;
455
456err_start_rx_ring:
457 ice_vsi_free_rx_rings(vsi);
458err_setup_rx_ring:
459 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
460err_setup_tx_ring:
461 ice_vsi_free_tx_rings(vsi);
462
463 return status;
464}
465
466/**
467 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
468 * @vsi: pointer to the VSI structure
469 *
470 * Function stops and frees VSI rings after a loopback test.
471 * Returns 0 on success, negative on failure.
472 */
473static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
474{
475 int status;
476
477 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
478 if (status)
479 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
480 vsi->vsi_num, status);
481
482 status = ice_vsi_stop_rx_rings(vsi);
483 if (status)
484 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
485 vsi->vsi_num, status);
486
487 ice_vsi_free_tx_rings(vsi);
488 ice_vsi_free_rx_rings(vsi);
489
490 return status;
491}
492
493/**
494 * ice_lbtest_create_frame - create test packet
495 * @pf: pointer to the PF structure
496 * @ret_data: allocated frame buffer
497 * @size: size of the packet data
498 *
499 * Function allocates a frame with a test pattern on specific offsets.
500 * Returns 0 on success, non-zero on failure.
501 */
502static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
503{
504 u8 *data;
505
506 if (!pf)
507 return -EINVAL;
508
509 data = devm_kzalloc(&pf->pdev->dev, size, GFP_KERNEL);
510 if (!data)
511 return -ENOMEM;
512
513 /* Since the ethernet test frame should always be at least
514 * 64 bytes long, fill some octets in the payload with test data.
515 */
516 memset(data, 0xFF, size);
517 data[32] = 0xDE;
518 data[42] = 0xAD;
519 data[44] = 0xBE;
520 data[46] = 0xEF;
521
522 *ret_data = data;
523
524 return 0;
525}
526
527/**
528 * ice_lbtest_check_frame - verify received loopback frame
529 * @frame: pointer to the raw packet data
530 *
531 * Function verifies received test frame with a pattern.
532 * Returns true if frame matches the pattern, false otherwise.
533 */
534static bool ice_lbtest_check_frame(u8 *frame)
535{
536 /* Validate bytes of a frame under offsets chosen earlier */
537 if (frame[32] == 0xDE &&
538 frame[42] == 0xAD &&
539 frame[44] == 0xBE &&
540 frame[46] == 0xEF &&
541 frame[48] == 0xFF)
542 return true;
543
544 return false;
545}
546
547/**
548 * ice_diag_send - send test frames to the test ring
549 * @tx_ring: pointer to the transmit ring
550 * @data: pointer to the raw packet data
551 * @size: size of the packet to send
552 *
553 * Function sends loopback packets on a test Tx ring.
554 */
555static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size)
556{
557 struct ice_tx_desc *tx_desc;
558 struct ice_tx_buf *tx_buf;
559 dma_addr_t dma;
560 u64 td_cmd;
561
562 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
563 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
564
565 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
566 if (dma_mapping_error(tx_ring->dev, dma))
567 return -EINVAL;
568
569 tx_desc->buf_addr = cpu_to_le64(dma);
570
571 /* These flags are required for a descriptor to be pushed out */
572 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
573 tx_desc->cmd_type_offset_bsz =
574 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
575 (td_cmd << ICE_TXD_QW1_CMD_S) |
576 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
577 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
578 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
579
580 tx_buf->next_to_watch = tx_desc;
581
582 /* Force memory write to complete before letting h/w know
583 * there are new descriptors to fetch.
584 */
585 wmb();
586
587 tx_ring->next_to_use++;
588 if (tx_ring->next_to_use >= tx_ring->count)
589 tx_ring->next_to_use = 0;
590
591 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
592
593 /* Wait until the packets get transmitted to the receive queue. */
594 usleep_range(1000, 2000);
595 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
596
597 return 0;
598}
599
600#define ICE_LB_FRAME_SIZE 64
601/**
602 * ice_lbtest_receive_frames - receive and verify test frames
603 * @rx_ring: pointer to the receive ring
604 *
605 * Function receives loopback packets and verify their correctness.
606 * Returns number of received valid frames.
607 */
608static int ice_lbtest_receive_frames(struct ice_ring *rx_ring)
609{
610 struct ice_rx_buf *rx_buf;
611 int valid_frames, i;
612 u8 *received_buf;
613
614 valid_frames = 0;
615
616 for (i = 0; i < rx_ring->count; i++) {
617 union ice_32b_rx_flex_desc *rx_desc;
618
619 rx_desc = ICE_RX_DESC(rx_ring, i);
620
621 if (!(rx_desc->wb.status_error0 &
622 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
623 continue;
624
625 rx_buf = &rx_ring->rx_buf[i];
626 received_buf = page_address(rx_buf->page);
627
628 if (ice_lbtest_check_frame(received_buf))
629 valid_frames++;
630 }
631
632 return valid_frames;
633}
634
635/**
636 * ice_loopback_test - perform a loopback test on a given net_device
637 * @netdev: network interface device structure
638 *
639 * This function performs one of the self-tests required by ethtool.
640 * Returns 0 on success, non-zero on failure.
641 */
642static u64 ice_loopback_test(struct net_device *netdev)
643{
644 struct ice_netdev_priv *np = netdev_priv(netdev);
645 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
646 struct ice_pf *pf = orig_vsi->back;
647 struct ice_ring *tx_ring, *rx_ring;
648 u8 broadcast[ETH_ALEN], ret = 0;
649 int num_frames, valid_frames;
650 LIST_HEAD(tmp_list);
651 u8 *tx_frame;
652 int i;
653
654 netdev_info(netdev, "loopback test\n");
655
656 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
657 if (!test_vsi) {
658 netdev_err(netdev, "Failed to create a VSI for the loopback test");
659 return 1;
660 }
661
662 test_vsi->netdev = netdev;
663 tx_ring = test_vsi->tx_rings[0];
664 rx_ring = test_vsi->rx_rings[0];
665
666 if (ice_lbtest_prepare_rings(test_vsi)) {
667 ret = 2;
668 goto lbtest_vsi_close;
669 }
670
671 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
672 ret = 3;
673 goto lbtest_rings_dis;
674 }
675
676 /* Enable MAC loopback in firmware */
677 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
678 ret = 4;
679 goto lbtest_mac_dis;
680 }
681
682 /* Test VSI needs to receive broadcast packets */
683 eth_broadcast_addr(broadcast);
684 if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) {
685 ret = 5;
686 goto lbtest_mac_dis;
687 }
688
689 if (ice_add_mac(&pf->hw, &tmp_list)) {
690 ret = 6;
691 goto free_mac_list;
692 }
693
694 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
695 ret = 7;
696 goto remove_mac_filters;
697 }
698
699 num_frames = min_t(int, tx_ring->count, 32);
700 for (i = 0; i < num_frames; i++) {
701 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
702 ret = 8;
703 goto lbtest_free_frame;
704 }
705 }
706
707 valid_frames = ice_lbtest_receive_frames(rx_ring);
708 if (!valid_frames)
709 ret = 9;
710 else if (valid_frames != num_frames)
711 ret = 10;
712
713lbtest_free_frame:
714 devm_kfree(&pf->pdev->dev, tx_frame);
715remove_mac_filters:
716 if (ice_remove_mac(&pf->hw, &tmp_list))
717 netdev_err(netdev, "Could not remove MAC filter for the test VSI");
718free_mac_list:
719 ice_free_fltr_list(&pf->pdev->dev, &tmp_list);
720lbtest_mac_dis:
721 /* Disable MAC loopback after the test is completed. */
722 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
723 netdev_err(netdev, "Could not disable MAC loopback\n");
724lbtest_rings_dis:
725 if (ice_lbtest_disable_rings(test_vsi))
726 netdev_err(netdev, "Could not disable test rings\n");
727lbtest_vsi_close:
728 test_vsi->netdev = NULL;
729 if (ice_vsi_release(test_vsi))
730 netdev_err(netdev, "Failed to remove the test VSI");
731
732 return ret;
733}
734
735/**
736 * ice_intr_test - perform an interrupt test on a given net_device
737 * @netdev: network interface device structure
738 *
739 * This function performs one of the self-tests required by ethtool.
740 * Returns 0 on success, non-zero on failure.
741 */
742static u64 ice_intr_test(struct net_device *netdev)
743{
744 struct ice_netdev_priv *np = netdev_priv(netdev);
745 struct ice_pf *pf = np->vsi->back;
746 u16 swic_old = pf->sw_int_count;
747
748 netdev_info(netdev, "interrupt test\n");
749
750 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
751 GLINT_DYN_CTL_SW_ITR_INDX_M |
752 GLINT_DYN_CTL_INTENA_MSK_M |
753 GLINT_DYN_CTL_SWINT_TRIG_M);
754
755 usleep_range(1000, 2000);
756 return (swic_old == pf->sw_int_count);
757}
758
759/**
760 * ice_self_test - handler function for performing a self-test by ethtool
761 * @netdev: network interface device structure
762 * @eth_test: ethtool_test structure
763 * @data: required by ethtool.self_test
764 *
765 * This function is called after invoking 'ethtool -t devname' command where
766 * devname is the name of the network device on which ethtool should operate.
767 * It performs a set of self-tests to check if a device works properly.
768 */
769static void
770ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
771 u64 *data)
772{
773 struct ice_netdev_priv *np = netdev_priv(netdev);
774 bool if_running = netif_running(netdev);
775 struct ice_pf *pf = np->vsi->back;
776
777 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
778 netdev_info(netdev, "offline testing starting\n");
779
780 set_bit(__ICE_TESTING, pf->state);
781
782 if (ice_active_vfs(pf)) {
783 dev_warn(&pf->pdev->dev,
784 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
785 data[ICE_ETH_TEST_REG] = 1;
786 data[ICE_ETH_TEST_EEPROM] = 1;
787 data[ICE_ETH_TEST_INTR] = 1;
788 data[ICE_ETH_TEST_LOOP] = 1;
789 data[ICE_ETH_TEST_LINK] = 1;
790 eth_test->flags |= ETH_TEST_FL_FAILED;
791 clear_bit(__ICE_TESTING, pf->state);
792 goto skip_ol_tests;
793 }
794 /* If the device is online then take it offline */
795 if (if_running)
796 /* indicate we're in test mode */
797 ice_stop(netdev);
798
799 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
800 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
801 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
802 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
803 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
804
805 if (data[ICE_ETH_TEST_LINK] ||
806 data[ICE_ETH_TEST_EEPROM] ||
807 data[ICE_ETH_TEST_LOOP] ||
808 data[ICE_ETH_TEST_INTR] ||
809 data[ICE_ETH_TEST_REG])
810 eth_test->flags |= ETH_TEST_FL_FAILED;
811
812 clear_bit(__ICE_TESTING, pf->state);
813
814 if (if_running) {
815 int status = ice_open(netdev);
816
817 if (status) {
818 dev_err(&pf->pdev->dev,
819 "Could not open device %s, err %d",
820 pf->int_name, status);
821 }
822 }
823 } else {
824 /* Online tests */
825 netdev_info(netdev, "online testing starting\n");
826
827 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
828 if (data[ICE_ETH_TEST_LINK])
829 eth_test->flags |= ETH_TEST_FL_FAILED;
830
831 /* Offline only tests, not run in online; pass by default */
832 data[ICE_ETH_TEST_REG] = 0;
833 data[ICE_ETH_TEST_EEPROM] = 0;
834 data[ICE_ETH_TEST_INTR] = 0;
835 data[ICE_ETH_TEST_LOOP] = 0;
836 }
837
838skip_ol_tests:
839 netdev_info(netdev, "testing finished\n");
840}
841
842static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
843{
844 struct ice_netdev_priv *np = netdev_priv(netdev);
845 struct ice_vsi *vsi = np->vsi;
846 char *p = (char *)data;
847 unsigned int i;
848
849 switch (stringset) {
850 case ETH_SS_STATS:
851 for (i = 0; i < ICE_VSI_STATS_LEN; i++) {
852 snprintf(p, ETH_GSTRING_LEN, "%s",
853 ice_gstrings_vsi_stats[i].stat_string);
854 p += ETH_GSTRING_LEN;
855 }
856
857 ice_for_each_alloc_txq(vsi, i) {
858 snprintf(p, ETH_GSTRING_LEN,
859 "tx_queue_%u_packets", i);
860 p += ETH_GSTRING_LEN;
861 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
862 p += ETH_GSTRING_LEN;
863 }
864
865 ice_for_each_alloc_rxq(vsi, i) {
866 snprintf(p, ETH_GSTRING_LEN,
867 "rx_queue_%u_packets", i);
868 p += ETH_GSTRING_LEN;
869 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
870 p += ETH_GSTRING_LEN;
871 }
872
873 if (vsi->type != ICE_VSI_PF)
874 return;
875
876 for (i = 0; i < ICE_PF_STATS_LEN; i++) {
877 snprintf(p, ETH_GSTRING_LEN, "%s",
878 ice_gstrings_pf_stats[i].stat_string);
879 p += ETH_GSTRING_LEN;
880 }
881
882 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
883 snprintf(p, ETH_GSTRING_LEN,
884 "tx_priority_%u_xon.nic", i);
885 p += ETH_GSTRING_LEN;
886 snprintf(p, ETH_GSTRING_LEN,
887 "tx_priority_%u_xoff.nic", i);
888 p += ETH_GSTRING_LEN;
889 }
890 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
891 snprintf(p, ETH_GSTRING_LEN,
892 "rx_priority_%u_xon.nic", i);
893 p += ETH_GSTRING_LEN;
894 snprintf(p, ETH_GSTRING_LEN,
895 "rx_priority_%u_xoff.nic", i);
896 p += ETH_GSTRING_LEN;
897 }
898 break;
899 case ETH_SS_TEST:
900 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
901 break;
902 case ETH_SS_PRIV_FLAGS:
903 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
904 snprintf(p, ETH_GSTRING_LEN, "%s",
905 ice_gstrings_priv_flags[i].name);
906 p += ETH_GSTRING_LEN;
907 }
908 break;
909 default:
910 break;
911 }
912}
913
914static int
915ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
916{
917 struct ice_netdev_priv *np = netdev_priv(netdev);
918 bool led_active;
919
920 switch (state) {
921 case ETHTOOL_ID_ACTIVE:
922 led_active = true;
923 break;
924 case ETHTOOL_ID_INACTIVE:
925 led_active = false;
926 break;
927 default:
928 return -EINVAL;
929 }
930
931 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
932 return -EIO;
933
934 return 0;
935}
936
937/**
938 * ice_set_fec_cfg - Set link FEC options
939 * @netdev: network interface device structure
940 * @req_fec: FEC mode to configure
941 */
942static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
943{
944 struct ice_netdev_priv *np = netdev_priv(netdev);
945 struct ice_aqc_set_phy_cfg_data config = { 0 };
946 struct ice_aqc_get_phy_caps_data *caps;
947 struct ice_vsi *vsi = np->vsi;
948 u8 sw_cfg_caps, sw_cfg_fec;
949 struct ice_port_info *pi;
950 enum ice_status status;
951 int err = 0;
952
953 pi = vsi->port_info;
954 if (!pi)
955 return -EOPNOTSUPP;
956
957 /* Changing the FEC parameters is not supported if not the PF VSI */
958 if (vsi->type != ICE_VSI_PF) {
959 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
960 return -EOPNOTSUPP;
961 }
962
963 /* Get last SW configuration */
964 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL);
965 if (!caps)
966 return -ENOMEM;
967
968 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG,
969 caps, NULL);
970 if (status) {
971 err = -EAGAIN;
972 goto done;
973 }
974
975 /* Copy SW configuration returned from PHY caps to PHY config */
976 ice_copy_phy_caps_to_cfg(caps, &config);
977 sw_cfg_caps = caps->caps;
978 sw_cfg_fec = caps->link_fec_options;
979
980 /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */
981 memset(caps, 0, sizeof(*caps));
982
983 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
984 caps, NULL);
985 if (status) {
986 err = -EAGAIN;
987 goto done;
988 }
989
990 config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC);
991 config.link_fec_opt = caps->link_fec_options;
992
993 ice_cfg_phy_fec(&config, req_fec);
994
995 /* If FEC mode has changed, then set PHY configuration and enable AN. */
996 if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) !=
997 (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) ||
998 config.link_fec_opt != sw_cfg_fec) {
999 if (caps->caps & ICE_AQC_PHY_AN_MODE)
1000 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1001
1002 status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL);
1003
1004 if (status)
1005 err = -EAGAIN;
1006 }
1007
1008done:
1009 devm_kfree(&vsi->back->pdev->dev, caps);
1010 return err;
1011}
1012
1013/**
1014 * ice_set_fecparam - Set FEC link options
1015 * @netdev: network interface device structure
1016 * @fecparam: Ethtool structure to retrieve FEC parameters
1017 */
1018static int
1019ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1020{
1021 struct ice_netdev_priv *np = netdev_priv(netdev);
1022 struct ice_vsi *vsi = np->vsi;
1023 enum ice_fec_mode fec;
1024
1025 switch (fecparam->fec) {
1026 case ETHTOOL_FEC_AUTO:
1027 fec = ICE_FEC_AUTO;
1028 break;
1029 case ETHTOOL_FEC_RS:
1030 fec = ICE_FEC_RS;
1031 break;
1032 case ETHTOOL_FEC_BASER:
1033 fec = ICE_FEC_BASER;
1034 break;
1035 case ETHTOOL_FEC_OFF:
1036 case ETHTOOL_FEC_NONE:
1037 fec = ICE_FEC_NONE;
1038 break;
1039 default:
1040 dev_warn(&vsi->back->pdev->dev, "Unsupported FEC mode: %d\n",
1041 fecparam->fec);
1042 return -EINVAL;
1043 }
1044
1045 return ice_set_fec_cfg(netdev, fec);
1046}
1047
1048/**
1049 * ice_get_fecparam - Get link FEC options
1050 * @netdev: network interface device structure
1051 * @fecparam: Ethtool structure to retrieve FEC parameters
1052 */
1053static int
1054ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1055{
1056 struct ice_netdev_priv *np = netdev_priv(netdev);
1057 struct ice_aqc_get_phy_caps_data *caps;
1058 struct ice_link_status *link_info;
1059 struct ice_vsi *vsi = np->vsi;
1060 struct ice_port_info *pi;
1061 enum ice_status status;
1062 int err = 0;
1063
1064 pi = vsi->port_info;
1065
1066 if (!pi)
1067 return -EOPNOTSUPP;
1068 link_info = &pi->phy.link_info;
1069
1070 /* Set FEC mode based on negotiated link info */
1071 switch (link_info->fec_info) {
1072 case ICE_AQ_LINK_25G_KR_FEC_EN:
1073 fecparam->active_fec = ETHTOOL_FEC_BASER;
1074 break;
1075 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1076 /* fall through */
1077 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1078 fecparam->active_fec = ETHTOOL_FEC_RS;
1079 break;
1080 default:
1081 fecparam->active_fec = ETHTOOL_FEC_OFF;
1082 break;
1083 }
1084
1085 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL);
1086 if (!caps)
1087 return -ENOMEM;
1088
1089 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
1090 caps, NULL);
1091 if (status) {
1092 err = -EAGAIN;
1093 goto done;
1094 }
1095
1096 /* Set supported/configured FEC modes based on PHY capability */
1097 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1098 fecparam->fec |= ETHTOOL_FEC_AUTO;
1099 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1100 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1101 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1102 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1103 fecparam->fec |= ETHTOOL_FEC_BASER;
1104 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1105 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1106 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1107 fecparam->fec |= ETHTOOL_FEC_RS;
1108 if (caps->link_fec_options == 0)
1109 fecparam->fec |= ETHTOOL_FEC_OFF;
1110
1111done:
1112 devm_kfree(&vsi->back->pdev->dev, caps);
1113 return err;
1114}
1115
1116/**
1117 * ice_get_priv_flags - report device private flags
1118 * @netdev: network interface device structure
1119 *
1120 * The get string set count and the string set should be matched for each
1121 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1122 * array.
1123 *
1124 * Returns a u32 bitmap of flags.
1125 */
1126static u32 ice_get_priv_flags(struct net_device *netdev)
1127{
1128 struct ice_netdev_priv *np = netdev_priv(netdev);
1129 struct ice_vsi *vsi = np->vsi;
1130 struct ice_pf *pf = vsi->back;
1131 u32 i, ret_flags = 0;
1132
1133 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1134 const struct ice_priv_flag *priv_flag;
1135
1136 priv_flag = &ice_gstrings_priv_flags[i];
1137
1138 if (test_bit(priv_flag->bitno, pf->flags))
1139 ret_flags |= BIT(i);
1140 }
1141
1142 return ret_flags;
1143}
1144
1145/**
1146 * ice_set_priv_flags - set private flags
1147 * @netdev: network interface device structure
1148 * @flags: bit flags to be set
1149 */
1150static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1151{
1152 struct ice_netdev_priv *np = netdev_priv(netdev);
1153 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1154 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1155 struct ice_vsi *vsi = np->vsi;
1156 struct ice_pf *pf = vsi->back;
1157 int ret = 0;
1158 u32 i;
1159
1160 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1161 return -EINVAL;
1162
1163 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1164
1165 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1166 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1167 const struct ice_priv_flag *priv_flag;
1168
1169 priv_flag = &ice_gstrings_priv_flags[i];
1170
1171 if (flags & BIT(i))
1172 set_bit(priv_flag->bitno, pf->flags);
1173 else
1174 clear_bit(priv_flag->bitno, pf->flags);
1175 }
1176
1177 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1178
1179 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1180 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1181 enum ice_status status;
1182
1183 /* Disable FW LLDP engine */
1184 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1185
1186 /* If unregistering for LLDP events fails, this is
1187 * not an error state, as there shouldn't be any
1188 * events to respond to.
1189 */
1190 if (status)
1191 dev_info(&pf->pdev->dev,
1192 "Failed to unreg for LLDP events\n");
1193
1194 /* The AQ call to stop the FW LLDP agent will generate
1195 * an error if the agent is already stopped.
1196 */
1197 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1198 if (status)
1199 dev_warn(&pf->pdev->dev,
1200 "Fail to stop LLDP agent\n");
1201 /* Use case for having the FW LLDP agent stopped
1202 * will likely not need DCB, so failure to init is
1203 * not a concern of ethtool
1204 */
1205 status = ice_init_pf_dcb(pf, true);
1206 if (status)
1207 dev_warn(&pf->pdev->dev, "Fail to init DCB\n");
1208
1209 /* Forward LLDP packets to default VSI so that they
1210 * are passed up the stack
1211 */
1212 ice_cfg_sw_lldp(vsi, false, true);
1213 } else {
1214 enum ice_status status;
1215 bool dcbx_agent_status;
1216
1217 /* AQ command to start FW LLDP agent will return an
1218 * error if the agent is already started
1219 */
1220 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1221 if (status)
1222 dev_warn(&pf->pdev->dev,
1223 "Fail to start LLDP Agent\n");
1224
1225 /* AQ command to start FW DCBX agent will fail if
1226 * the agent is already started
1227 */
1228 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1229 &dcbx_agent_status,
1230 NULL);
1231 if (status)
1232 dev_dbg(&pf->pdev->dev,
1233 "Failed to start FW DCBX\n");
1234
1235 dev_info(&pf->pdev->dev, "FW DCBX agent is %s\n",
1236 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1237
1238 /* Failure to configure MIB change or init DCB is not
1239 * relevant to ethtool. Print notification that
1240 * registration/init failed but do not return error
1241 * state to ethtool
1242 */
1243 status = ice_init_pf_dcb(pf, true);
1244 if (status)
1245 dev_dbg(&pf->pdev->dev, "Fail to init DCB\n");
1246
1247 /* Remove rule to direct LLDP packets to default VSI.
1248 * The FW LLDP engine will now be consuming them.
1249 */
1250 ice_cfg_sw_lldp(vsi, false, false);
1251
1252 /* Register for MIB change events */
1253 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1254 if (status)
1255 dev_dbg(&pf->pdev->dev,
1256 "Fail to enable MIB change events\n");
1257 }
1258 }
1259 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1260 return ret;
1261}
1262
1263static int ice_get_sset_count(struct net_device *netdev, int sset)
1264{
1265 switch (sset) {
1266 case ETH_SS_STATS:
1267 /* The number (and order) of strings reported *must* remain
1268 * constant for a given netdevice. This function must not
1269 * report a different number based on run time parameters
1270 * (such as the number of queues in use, or the setting of
1271 * a private ethtool flag). This is due to the nature of the
1272 * ethtool stats API.
1273 *
1274 * Userspace programs such as ethtool must make 3 separate
1275 * ioctl requests, one for size, one for the strings, and
1276 * finally one for the stats. Since these cross into
1277 * userspace, changes to the number or size could result in
1278 * undefined memory access or incorrect string<->value
1279 * correlations for statistics.
1280 *
1281 * Even if it appears to be safe, changes to the size or
1282 * order of strings will suffer from race conditions and are
1283 * not safe.
1284 */
1285 return ICE_ALL_STATS_LEN(netdev);
1286 case ETH_SS_TEST:
1287 return ICE_TEST_LEN;
1288 case ETH_SS_PRIV_FLAGS:
1289 return ICE_PRIV_FLAG_ARRAY_SIZE;
1290 default:
1291 return -EOPNOTSUPP;
1292 }
1293}
1294
1295static void
1296ice_get_ethtool_stats(struct net_device *netdev,
1297 struct ethtool_stats __always_unused *stats, u64 *data)
1298{
1299 struct ice_netdev_priv *np = netdev_priv(netdev);
1300 struct ice_vsi *vsi = np->vsi;
1301 struct ice_pf *pf = vsi->back;
1302 struct ice_ring *ring;
1303 unsigned int j;
1304 int i = 0;
1305 char *p;
1306
1307 ice_update_pf_stats(pf);
1308 ice_update_vsi_stats(vsi);
1309
1310 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1311 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1312 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1313 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1314 }
1315
1316 /* populate per queue stats */
1317 rcu_read_lock();
1318
1319 ice_for_each_alloc_txq(vsi, j) {
1320 ring = READ_ONCE(vsi->tx_rings[j]);
1321 if (ring) {
1322 data[i++] = ring->stats.pkts;
1323 data[i++] = ring->stats.bytes;
1324 } else {
1325 data[i++] = 0;
1326 data[i++] = 0;
1327 }
1328 }
1329
1330 ice_for_each_alloc_rxq(vsi, j) {
1331 ring = READ_ONCE(vsi->rx_rings[j]);
1332 if (ring) {
1333 data[i++] = ring->stats.pkts;
1334 data[i++] = ring->stats.bytes;
1335 } else {
1336 data[i++] = 0;
1337 data[i++] = 0;
1338 }
1339 }
1340
1341 rcu_read_unlock();
1342
1343 if (vsi->type != ICE_VSI_PF)
1344 return;
1345
1346 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1347 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1348 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1349 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1350 }
1351
1352 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1353 data[i++] = pf->stats.priority_xon_tx[j];
1354 data[i++] = pf->stats.priority_xoff_tx[j];
1355 }
1356
1357 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1358 data[i++] = pf->stats.priority_xon_rx[j];
1359 data[i++] = pf->stats.priority_xoff_rx[j];
1360 }
1361}
1362
1363/**
1364 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1365 * @netdev: network interface device structure
1366 * @ks: ethtool link ksettings struct to fill out
1367 */
1368static void
1369ice_phy_type_to_ethtool(struct net_device *netdev,
1370 struct ethtool_link_ksettings *ks)
1371{
1372 struct ice_netdev_priv *np = netdev_priv(netdev);
1373 struct ice_link_status *hw_link_info;
1374 bool need_add_adv_mode = false;
1375 struct ice_vsi *vsi = np->vsi;
1376 u64 phy_types_high;
1377 u64 phy_types_low;
1378
1379 hw_link_info = &vsi->port_info->phy.link_info;
1380 phy_types_low = vsi->port_info->phy.phy_type_low;
1381 phy_types_high = vsi->port_info->phy.phy_type_high;
1382
1383 ethtool_link_ksettings_zero_link_mode(ks, supported);
1384 ethtool_link_ksettings_zero_link_mode(ks, advertising);
1385
1386 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
1387 phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) {
1388 ethtool_link_ksettings_add_link_mode(ks, supported,
1389 100baseT_Full);
1390 if (!hw_link_info->req_speeds ||
1391 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB)
1392 ethtool_link_ksettings_add_link_mode(ks, advertising,
1393 100baseT_Full);
1394 }
1395 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
1396 phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) {
1397 ethtool_link_ksettings_add_link_mode(ks, supported,
1398 1000baseT_Full);
1399 if (!hw_link_info->req_speeds ||
1400 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1401 ethtool_link_ksettings_add_link_mode(ks, advertising,
1402 1000baseT_Full);
1403 }
1404 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) {
1405 ethtool_link_ksettings_add_link_mode(ks, supported,
1406 1000baseKX_Full);
1407 if (!hw_link_info->req_speeds ||
1408 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1409 ethtool_link_ksettings_add_link_mode(ks, advertising,
1410 1000baseKX_Full);
1411 }
1412 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX ||
1413 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) {
1414 ethtool_link_ksettings_add_link_mode(ks, supported,
1415 1000baseX_Full);
1416 if (!hw_link_info->req_speeds ||
1417 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1418 ethtool_link_ksettings_add_link_mode(ks, advertising,
1419 1000baseX_Full);
1420 }
1421 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) {
1422 ethtool_link_ksettings_add_link_mode(ks, supported,
1423 2500baseT_Full);
1424 if (!hw_link_info->req_speeds ||
1425 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1426 ethtool_link_ksettings_add_link_mode(ks, advertising,
1427 2500baseT_Full);
1428 }
1429 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X ||
1430 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) {
1431 ethtool_link_ksettings_add_link_mode(ks, supported,
1432 2500baseX_Full);
1433 if (!hw_link_info->req_speeds ||
1434 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1435 ethtool_link_ksettings_add_link_mode(ks, advertising,
1436 2500baseX_Full);
1437 }
1438 if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
1439 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) {
1440 ethtool_link_ksettings_add_link_mode(ks, supported,
1441 5000baseT_Full);
1442 if (!hw_link_info->req_speeds ||
1443 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB)
1444 ethtool_link_ksettings_add_link_mode(ks, advertising,
1445 5000baseT_Full);
1446 }
1447 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
1448 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA ||
1449 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC ||
1450 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) {
1451 ethtool_link_ksettings_add_link_mode(ks, supported,
1452 10000baseT_Full);
1453 if (!hw_link_info->req_speeds ||
1454 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1455 ethtool_link_ksettings_add_link_mode(ks, advertising,
1456 10000baseT_Full);
1457 }
1458 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) {
1459 ethtool_link_ksettings_add_link_mode(ks, supported,
1460 10000baseKR_Full);
1461 if (!hw_link_info->req_speeds ||
1462 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1463 ethtool_link_ksettings_add_link_mode(ks, advertising,
1464 10000baseKR_Full);
1465 }
1466 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) {
1467 ethtool_link_ksettings_add_link_mode(ks, supported,
1468 10000baseSR_Full);
1469 if (!hw_link_info->req_speeds ||
1470 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1471 ethtool_link_ksettings_add_link_mode(ks, advertising,
1472 10000baseSR_Full);
1473 }
1474 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) {
1475 ethtool_link_ksettings_add_link_mode(ks, supported,
1476 10000baseLR_Full);
1477 if (!hw_link_info->req_speeds ||
1478 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1479 ethtool_link_ksettings_add_link_mode(ks, advertising,
1480 10000baseLR_Full);
1481 }
1482 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
1483 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
1484 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
1485 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
1486 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC ||
1487 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) {
1488 ethtool_link_ksettings_add_link_mode(ks, supported,
1489 25000baseCR_Full);
1490 if (!hw_link_info->req_speeds ||
1491 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1492 ethtool_link_ksettings_add_link_mode(ks, advertising,
1493 25000baseCR_Full);
1494 }
1495 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR ||
1496 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) {
1497 ethtool_link_ksettings_add_link_mode(ks, supported,
1498 25000baseSR_Full);
1499 if (!hw_link_info->req_speeds ||
1500 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1501 ethtool_link_ksettings_add_link_mode(ks, advertising,
1502 25000baseSR_Full);
1503 }
1504 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
1505 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
1506 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) {
1507 ethtool_link_ksettings_add_link_mode(ks, supported,
1508 25000baseKR_Full);
1509 if (!hw_link_info->req_speeds ||
1510 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1511 ethtool_link_ksettings_add_link_mode(ks, advertising,
1512 25000baseKR_Full);
1513 }
1514 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
1515 ethtool_link_ksettings_add_link_mode(ks, supported,
1516 40000baseKR4_Full);
1517 if (!hw_link_info->req_speeds ||
1518 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1519 ethtool_link_ksettings_add_link_mode(ks, advertising,
1520 40000baseKR4_Full);
1521 }
1522 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
1523 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC ||
1524 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) {
1525 ethtool_link_ksettings_add_link_mode(ks, supported,
1526 40000baseCR4_Full);
1527 if (!hw_link_info->req_speeds ||
1528 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1529 ethtool_link_ksettings_add_link_mode(ks, advertising,
1530 40000baseCR4_Full);
1531 }
1532 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) {
1533 ethtool_link_ksettings_add_link_mode(ks, supported,
1534 40000baseSR4_Full);
1535 if (!hw_link_info->req_speeds ||
1536 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1537 ethtool_link_ksettings_add_link_mode(ks, advertising,
1538 40000baseSR4_Full);
1539 }
1540 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) {
1541 ethtool_link_ksettings_add_link_mode(ks, supported,
1542 40000baseLR4_Full);
1543 if (!hw_link_info->req_speeds ||
1544 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1545 ethtool_link_ksettings_add_link_mode(ks, advertising,
1546 40000baseLR4_Full);
1547 }
1548 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
1549 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC ||
1550 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 ||
1551 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC ||
1552 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 ||
1553 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
1554 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR ||
1555 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC ||
1556 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) {
1557 ethtool_link_ksettings_add_link_mode(ks, supported,
1558 50000baseCR2_Full);
1559 if (!hw_link_info->req_speeds ||
1560 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1561 ethtool_link_ksettings_add_link_mode(ks, advertising,
1562 50000baseCR2_Full);
1563 }
1564 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
1565 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
1566 ethtool_link_ksettings_add_link_mode(ks, supported,
1567 50000baseKR2_Full);
1568 if (!hw_link_info->req_speeds ||
1569 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1570 ethtool_link_ksettings_add_link_mode(ks, advertising,
1571 50000baseKR2_Full);
1572 }
1573 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 ||
1574 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 ||
1575 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR ||
1576 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) {
1577 ethtool_link_ksettings_add_link_mode(ks, supported,
1578 50000baseSR2_Full);
1579 if (!hw_link_info->req_speeds ||
1580 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1581 ethtool_link_ksettings_add_link_mode(ks, advertising,
1582 50000baseSR2_Full);
1583 }
1584 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
1585 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC ||
1586 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 ||
1587 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC ||
1588 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 ||
1589 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 ||
1590 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 ||
1591 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC ||
1592 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 ||
1593 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC ||
1594 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) {
1595 ethtool_link_ksettings_add_link_mode(ks, supported,
1596 100000baseCR4_Full);
1597 if (!hw_link_info->req_speeds ||
1598 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1599 need_add_adv_mode = true;
1600 }
1601 if (need_add_adv_mode) {
1602 need_add_adv_mode = false;
1603 ethtool_link_ksettings_add_link_mode(ks, advertising,
1604 100000baseCR4_Full);
1605 }
1606 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 ||
1607 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) {
1608 ethtool_link_ksettings_add_link_mode(ks, supported,
1609 100000baseSR4_Full);
1610 if (!hw_link_info->req_speeds ||
1611 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1612 need_add_adv_mode = true;
1613 }
1614 if (need_add_adv_mode) {
1615 need_add_adv_mode = false;
1616 ethtool_link_ksettings_add_link_mode(ks, advertising,
1617 100000baseSR4_Full);
1618 }
1619 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 ||
1620 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) {
1621 ethtool_link_ksettings_add_link_mode(ks, supported,
1622 100000baseLR4_ER4_Full);
1623 if (!hw_link_info->req_speeds ||
1624 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1625 need_add_adv_mode = true;
1626 }
1627 if (need_add_adv_mode) {
1628 need_add_adv_mode = false;
1629 ethtool_link_ksettings_add_link_mode(ks, advertising,
1630 100000baseLR4_ER4_Full);
1631 }
1632 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
1633 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
1634 phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) {
1635 ethtool_link_ksettings_add_link_mode(ks, supported,
1636 100000baseKR4_Full);
1637 if (!hw_link_info->req_speeds ||
1638 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1639 need_add_adv_mode = true;
1640 }
1641 if (need_add_adv_mode)
1642 ethtool_link_ksettings_add_link_mode(ks, advertising,
1643 100000baseKR4_Full);
1644
1645 /* Autoneg PHY types */
1646 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
1647 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
1648 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX ||
1649 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T ||
1650 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX ||
1651 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
1652 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR ||
1653 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
1654 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 ||
1655 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
1656 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
1657 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
1658 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
1659 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
1660 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
1661 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 ||
1662 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
1663 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
1664 ethtool_link_ksettings_add_link_mode(ks, supported,
1665 Autoneg);
1666 ethtool_link_ksettings_add_link_mode(ks, advertising,
1667 Autoneg);
1668 }
1669 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
1670 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
1671 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
1672 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
1673 ethtool_link_ksettings_add_link_mode(ks, supported,
1674 Autoneg);
1675 ethtool_link_ksettings_add_link_mode(ks, advertising,
1676 Autoneg);
1677 }
1678 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
1679 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
1680 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
1681 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) {
1682 ethtool_link_ksettings_add_link_mode(ks, supported,
1683 Autoneg);
1684 ethtool_link_ksettings_add_link_mode(ks, advertising,
1685 Autoneg);
1686 }
1687}
1688
1689#define TEST_SET_BITS_TIMEOUT 50
1690#define TEST_SET_BITS_SLEEP_MAX 2000
1691#define TEST_SET_BITS_SLEEP_MIN 1000
1692
1693/**
1694 * ice_get_settings_link_up - Get Link settings for when link is up
1695 * @ks: ethtool ksettings to fill in
1696 * @netdev: network interface device structure
1697 */
1698static void
1699ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1700 struct net_device *netdev)
1701{
1702 struct ice_netdev_priv *np = netdev_priv(netdev);
1703 struct ice_port_info *pi = np->vsi->port_info;
1704 struct ethtool_link_ksettings cap_ksettings;
1705 struct ice_link_status *link_info;
1706 struct ice_vsi *vsi = np->vsi;
1707 bool unrecog_phy_high = false;
1708 bool unrecog_phy_low = false;
1709
1710 link_info = &vsi->port_info->phy.link_info;
1711
1712 /* Initialize supported and advertised settings based on PHY settings */
1713 switch (link_info->phy_type_low) {
1714 case ICE_PHY_TYPE_LOW_100BASE_TX:
1715 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1716 ethtool_link_ksettings_add_link_mode(ks, supported,
1717 100baseT_Full);
1718 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1719 ethtool_link_ksettings_add_link_mode(ks, advertising,
1720 100baseT_Full);
1721 break;
1722 case ICE_PHY_TYPE_LOW_100M_SGMII:
1723 ethtool_link_ksettings_add_link_mode(ks, supported,
1724 100baseT_Full);
1725 break;
1726 case ICE_PHY_TYPE_LOW_1000BASE_T:
1727 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1728 ethtool_link_ksettings_add_link_mode(ks, supported,
1729 1000baseT_Full);
1730 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1731 ethtool_link_ksettings_add_link_mode(ks, advertising,
1732 1000baseT_Full);
1733 break;
1734 case ICE_PHY_TYPE_LOW_1G_SGMII:
1735 ethtool_link_ksettings_add_link_mode(ks, supported,
1736 1000baseT_Full);
1737 break;
1738 case ICE_PHY_TYPE_LOW_1000BASE_SX:
1739 case ICE_PHY_TYPE_LOW_1000BASE_LX:
1740 ethtool_link_ksettings_add_link_mode(ks, supported,
1741 1000baseX_Full);
1742 break;
1743 case ICE_PHY_TYPE_LOW_1000BASE_KX:
1744 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1745 ethtool_link_ksettings_add_link_mode(ks, supported,
1746 1000baseKX_Full);
1747 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1748 ethtool_link_ksettings_add_link_mode(ks, advertising,
1749 1000baseKX_Full);
1750 break;
1751 case ICE_PHY_TYPE_LOW_2500BASE_T:
1752 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1753 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1754 ethtool_link_ksettings_add_link_mode(ks, supported,
1755 2500baseT_Full);
1756 ethtool_link_ksettings_add_link_mode(ks, advertising,
1757 2500baseT_Full);
1758 break;
1759 case ICE_PHY_TYPE_LOW_2500BASE_X:
1760 ethtool_link_ksettings_add_link_mode(ks, supported,
1761 2500baseX_Full);
1762 break;
1763 case ICE_PHY_TYPE_LOW_2500BASE_KX:
1764 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1765 ethtool_link_ksettings_add_link_mode(ks, supported,
1766 2500baseX_Full);
1767 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1768 ethtool_link_ksettings_add_link_mode(ks, advertising,
1769 2500baseX_Full);
1770 break;
1771 case ICE_PHY_TYPE_LOW_5GBASE_T:
1772 case ICE_PHY_TYPE_LOW_5GBASE_KR:
1773 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1774 ethtool_link_ksettings_add_link_mode(ks, supported,
1775 5000baseT_Full);
1776 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1777 ethtool_link_ksettings_add_link_mode(ks, advertising,
1778 5000baseT_Full);
1779 break;
1780 case ICE_PHY_TYPE_LOW_10GBASE_T:
1781 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1782 ethtool_link_ksettings_add_link_mode(ks, supported,
1783 10000baseT_Full);
1784 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1785 ethtool_link_ksettings_add_link_mode(ks, advertising,
1786 10000baseT_Full);
1787 break;
1788 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
1789 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
1790 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
1791 ethtool_link_ksettings_add_link_mode(ks, supported,
1792 10000baseT_Full);
1793 break;
1794 case ICE_PHY_TYPE_LOW_10GBASE_SR:
1795 ethtool_link_ksettings_add_link_mode(ks, supported,
1796 10000baseSR_Full);
1797 break;
1798 case ICE_PHY_TYPE_LOW_10GBASE_LR:
1799 ethtool_link_ksettings_add_link_mode(ks, supported,
1800 10000baseLR_Full);
1801 break;
1802 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
1803 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1804 ethtool_link_ksettings_add_link_mode(ks, supported,
1805 10000baseKR_Full);
1806 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1807 ethtool_link_ksettings_add_link_mode(ks, advertising,
1808 10000baseKR_Full);
1809 break;
1810 case ICE_PHY_TYPE_LOW_25GBASE_T:
1811 case ICE_PHY_TYPE_LOW_25GBASE_CR:
1812 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
1813 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
1814 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1815 ethtool_link_ksettings_add_link_mode(ks, supported,
1816 25000baseCR_Full);
1817 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1818 ethtool_link_ksettings_add_link_mode(ks, advertising,
1819 25000baseCR_Full);
1820 break;
1821 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
1822 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
1823 ethtool_link_ksettings_add_link_mode(ks, supported,
1824 25000baseCR_Full);
1825 break;
1826 case ICE_PHY_TYPE_LOW_25GBASE_SR:
1827 case ICE_PHY_TYPE_LOW_25GBASE_LR:
1828 ethtool_link_ksettings_add_link_mode(ks, supported,
1829 25000baseSR_Full);
1830 break;
1831 case ICE_PHY_TYPE_LOW_25GBASE_KR:
1832 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
1833 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
1834 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1835 ethtool_link_ksettings_add_link_mode(ks, supported,
1836 25000baseKR_Full);
1837 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1838 ethtool_link_ksettings_add_link_mode(ks, advertising,
1839 25000baseKR_Full);
1840 break;
1841 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
1842 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1843 ethtool_link_ksettings_add_link_mode(ks, supported,
1844 40000baseCR4_Full);
1845 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1846 ethtool_link_ksettings_add_link_mode(ks, advertising,
1847 40000baseCR4_Full);
1848 break;
1849 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
1850 case ICE_PHY_TYPE_LOW_40G_XLAUI:
1851 ethtool_link_ksettings_add_link_mode(ks, supported,
1852 40000baseCR4_Full);
1853 break;
1854 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
1855 ethtool_link_ksettings_add_link_mode(ks, supported,
1856 40000baseSR4_Full);
1857 break;
1858 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
1859 ethtool_link_ksettings_add_link_mode(ks, supported,
1860 40000baseLR4_Full);
1861 break;
1862 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
1863 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1864 ethtool_link_ksettings_add_link_mode(ks, supported,
1865 40000baseKR4_Full);
1866 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1867 ethtool_link_ksettings_add_link_mode(ks, advertising,
1868 40000baseKR4_Full);
1869 break;
1870 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
1871 case ICE_PHY_TYPE_LOW_50GBASE_CP:
1872 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1873 ethtool_link_ksettings_add_link_mode(ks, supported,
1874 50000baseCR2_Full);
1875 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1876 ethtool_link_ksettings_add_link_mode(ks, advertising,
1877 50000baseCR2_Full);
1878 break;
1879 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
1880 case ICE_PHY_TYPE_LOW_50G_LAUI2:
1881 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
1882 case ICE_PHY_TYPE_LOW_50G_AUI2:
1883 case ICE_PHY_TYPE_LOW_50GBASE_SR:
1884 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
1885 case ICE_PHY_TYPE_LOW_50G_AUI1:
1886 ethtool_link_ksettings_add_link_mode(ks, supported,
1887 50000baseCR2_Full);
1888 break;
1889 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
1890 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
1891 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1892 ethtool_link_ksettings_add_link_mode(ks, supported,
1893 50000baseKR2_Full);
1894 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1895 ethtool_link_ksettings_add_link_mode(ks, advertising,
1896 50000baseKR2_Full);
1897 break;
1898 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
1899 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
1900 case ICE_PHY_TYPE_LOW_50GBASE_FR:
1901 case ICE_PHY_TYPE_LOW_50GBASE_LR:
1902 ethtool_link_ksettings_add_link_mode(ks, supported,
1903 50000baseSR2_Full);
1904 break;
1905 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
1906 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1907 ethtool_link_ksettings_add_link_mode(ks, supported,
1908 100000baseCR4_Full);
1909 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1910 ethtool_link_ksettings_add_link_mode(ks, advertising,
1911 100000baseCR4_Full);
1912 break;
1913 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
1914 case ICE_PHY_TYPE_LOW_100G_CAUI4:
1915 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
1916 case ICE_PHY_TYPE_LOW_100G_AUI4:
1917 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
1918 ethtool_link_ksettings_add_link_mode(ks, supported,
1919 100000baseCR4_Full);
1920 break;
1921 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
1922 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1923 ethtool_link_ksettings_add_link_mode(ks, supported,
1924 100000baseCR4_Full);
1925 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1926 ethtool_link_ksettings_add_link_mode(ks, advertising,
1927 100000baseCR4_Full);
1928 break;
1929 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
1930 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
1931 ethtool_link_ksettings_add_link_mode(ks, supported,
1932 100000baseSR4_Full);
1933 break;
1934 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
1935 case ICE_PHY_TYPE_LOW_100GBASE_DR:
1936 ethtool_link_ksettings_add_link_mode(ks, supported,
1937 100000baseLR4_ER4_Full);
1938 break;
1939 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
1940 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
1941 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1942 ethtool_link_ksettings_add_link_mode(ks, supported,
1943 100000baseKR4_Full);
1944 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1945 ethtool_link_ksettings_add_link_mode(ks, advertising,
1946 100000baseKR4_Full);
1947 break;
1948 default:
1949 unrecog_phy_low = true;
1950 }
1951
1952 switch (link_info->phy_type_high) {
1953 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
1954 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1955 ethtool_link_ksettings_add_link_mode(ks, supported,
1956 100000baseKR4_Full);
1957 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1958 ethtool_link_ksettings_add_link_mode(ks, advertising,
1959 100000baseKR4_Full);
1960 break;
1961 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
1962 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
1963 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
1964 case ICE_PHY_TYPE_HIGH_100G_AUI2:
1965 ethtool_link_ksettings_add_link_mode(ks, supported,
1966 100000baseCR4_Full);
1967 break;
1968 default:
1969 unrecog_phy_high = true;
1970 }
1971
1972 if (unrecog_phy_low && unrecog_phy_high) {
1973 /* if we got here and link is up something bad is afoot */
1974 netdev_info(netdev,
1975 "WARNING: Unrecognized PHY_Low (0x%llx).\n",
1976 (u64)link_info->phy_type_low);
1977 netdev_info(netdev,
1978 "WARNING: Unrecognized PHY_High (0x%llx).\n",
1979 (u64)link_info->phy_type_high);
1980 }
1981
1982 /* Now that we've worked out everything that could be supported by the
1983 * current PHY type, get what is supported by the NVM and intersect
1984 * them to get what is truly supported
1985 */
1986 memset(&cap_ksettings, 0, sizeof(cap_ksettings));
1987 ice_phy_type_to_ethtool(netdev, &cap_ksettings);
1988 ethtool_intersect_link_masks(ks, &cap_ksettings);
1989
1990 switch (link_info->link_speed) {
1991 case ICE_AQ_LINK_SPEED_100GB:
1992 ks->base.speed = SPEED_100000;
1993 break;
1994 case ICE_AQ_LINK_SPEED_50GB:
1995 ks->base.speed = SPEED_50000;
1996 break;
1997 case ICE_AQ_LINK_SPEED_40GB:
1998 ks->base.speed = SPEED_40000;
1999 break;
2000 case ICE_AQ_LINK_SPEED_25GB:
2001 ks->base.speed = SPEED_25000;
2002 break;
2003 case ICE_AQ_LINK_SPEED_20GB:
2004 ks->base.speed = SPEED_20000;
2005 break;
2006 case ICE_AQ_LINK_SPEED_10GB:
2007 ks->base.speed = SPEED_10000;
2008 break;
2009 case ICE_AQ_LINK_SPEED_5GB:
2010 ks->base.speed = SPEED_5000;
2011 break;
2012 case ICE_AQ_LINK_SPEED_2500MB:
2013 ks->base.speed = SPEED_2500;
2014 break;
2015 case ICE_AQ_LINK_SPEED_1000MB:
2016 ks->base.speed = SPEED_1000;
2017 break;
2018 case ICE_AQ_LINK_SPEED_100MB:
2019 ks->base.speed = SPEED_100;
2020 break;
2021 default:
2022 netdev_info(netdev,
2023 "WARNING: Unrecognized link_speed (0x%x).\n",
2024 link_info->link_speed);
2025 break;
2026 }
2027 ks->base.duplex = DUPLEX_FULL;
2028
2029 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
2030 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2031 Autoneg);
2032
2033 /* Set flow control negotiated Rx/Tx pause */
2034 switch (pi->fc.current_mode) {
2035 case ICE_FC_FULL:
2036 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2037 break;
2038 case ICE_FC_TX_PAUSE:
2039 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2040 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2041 Asym_Pause);
2042 break;
2043 case ICE_FC_RX_PAUSE:
2044 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2045 Asym_Pause);
2046 break;
2047 case ICE_FC_PFC:
2048 /* fall through */
2049 default:
2050 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
2051 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
2052 Asym_Pause);
2053 break;
2054 }
2055}
2056
2057/**
2058 * ice_get_settings_link_down - Get the Link settings when link is down
2059 * @ks: ethtool ksettings to fill in
2060 * @netdev: network interface device structure
2061 *
2062 * Reports link settings that can be determined when link is down
2063 */
2064static void
2065ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
2066 struct net_device *netdev)
2067{
2068 /* link is down and the driver needs to fall back on
2069 * supported PHY types to figure out what info to display
2070 */
2071 ice_phy_type_to_ethtool(netdev, ks);
2072
2073 /* With no link, speed and duplex are unknown */
2074 ks->base.speed = SPEED_UNKNOWN;
2075 ks->base.duplex = DUPLEX_UNKNOWN;
2076}
2077
2078/**
2079 * ice_get_link_ksettings - Get Link Speed and Duplex settings
2080 * @netdev: network interface device structure
2081 * @ks: ethtool ksettings
2082 *
2083 * Reports speed/duplex settings based on media_type
2084 */
2085static int
2086ice_get_link_ksettings(struct net_device *netdev,
2087 struct ethtool_link_ksettings *ks)
2088{
2089 struct ice_netdev_priv *np = netdev_priv(netdev);
2090 struct ice_aqc_get_phy_caps_data *caps;
2091 struct ice_link_status *hw_link_info;
2092 struct ice_vsi *vsi = np->vsi;
2093 enum ice_status status;
2094 int err = 0;
2095
2096 ethtool_link_ksettings_zero_link_mode(ks, supported);
2097 ethtool_link_ksettings_zero_link_mode(ks, advertising);
2098 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
2099 hw_link_info = &vsi->port_info->phy.link_info;
2100
2101 /* set speed and duplex */
2102 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2103 ice_get_settings_link_up(ks, netdev);
2104 else
2105 ice_get_settings_link_down(ks, netdev);
2106
2107 /* set autoneg settings */
2108 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2109 AUTONEG_ENABLE : AUTONEG_DISABLE;
2110
2111 /* set media type settings */
2112 switch (vsi->port_info->phy.media_type) {
2113 case ICE_MEDIA_FIBER:
2114 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2115 ks->base.port = PORT_FIBRE;
2116 break;
2117 case ICE_MEDIA_BASET:
2118 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2119 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2120 ks->base.port = PORT_TP;
2121 break;
2122 case ICE_MEDIA_BACKPLANE:
2123 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2124 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2125 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2126 ethtool_link_ksettings_add_link_mode(ks, advertising,
2127 Backplane);
2128 ks->base.port = PORT_NONE;
2129 break;
2130 case ICE_MEDIA_DA:
2131 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2132 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2133 ks->base.port = PORT_DA;
2134 break;
2135 default:
2136 ks->base.port = PORT_OTHER;
2137 break;
2138 }
2139
2140 /* flow control is symmetric and always supported */
2141 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2142
2143 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL);
2144 if (!caps)
2145 return -ENOMEM;
2146
2147 status = ice_aq_get_phy_caps(vsi->port_info, false,
2148 ICE_AQC_REPORT_SW_CFG, caps, NULL);
2149 if (status) {
2150 err = -EIO;
2151 goto done;
2152 }
2153
2154 /* Set the advertised flow control based on the PHY capability */
2155 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2156 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2157 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2158 ethtool_link_ksettings_add_link_mode(ks, advertising,
2159 Asym_Pause);
2160 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2161 ethtool_link_ksettings_add_link_mode(ks, advertising,
2162 Asym_Pause);
2163 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2164 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2165 ethtool_link_ksettings_add_link_mode(ks, advertising,
2166 Asym_Pause);
2167 } else {
2168 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2169 ethtool_link_ksettings_del_link_mode(ks, advertising,
2170 Asym_Pause);
2171 }
2172
2173 /* Set advertised FEC modes based on PHY capability */
2174 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2175
2176 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2177 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2178 ethtool_link_ksettings_add_link_mode(ks, advertising,
2179 FEC_BASER);
2180 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2181 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2182 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2183
2184 status = ice_aq_get_phy_caps(vsi->port_info, false,
2185 ICE_AQC_REPORT_TOPO_CAP, caps, NULL);
2186 if (status) {
2187 err = -EIO;
2188 goto done;
2189 }
2190
2191 /* Set supported FEC modes based on PHY capability */
2192 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2193
2194 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2195 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2196 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2197 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2198 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2199
2200done:
2201 devm_kfree(&vsi->back->pdev->dev, caps);
2202 return err;
2203}
2204
2205/**
2206 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2207 * @ks: ethtool ksettings
2208 */
2209static u16
2210ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2211{
2212 u16 adv_link_speed = 0;
2213
2214 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2215 100baseT_Full))
2216 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2217 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2218 1000baseX_Full))
2219 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2220 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2221 1000baseT_Full) ||
2222 ethtool_link_ksettings_test_link_mode(ks, advertising,
2223 1000baseKX_Full))
2224 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2225 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2226 2500baseT_Full))
2227 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2228 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2229 2500baseX_Full))
2230 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2231 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2232 5000baseT_Full))
2233 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2234 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2235 10000baseT_Full) ||
2236 ethtool_link_ksettings_test_link_mode(ks, advertising,
2237 10000baseKR_Full))
2238 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2239 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2240 10000baseSR_Full) ||
2241 ethtool_link_ksettings_test_link_mode(ks, advertising,
2242 10000baseLR_Full))
2243 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2244 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2245 25000baseCR_Full) ||
2246 ethtool_link_ksettings_test_link_mode(ks, advertising,
2247 25000baseSR_Full) ||
2248 ethtool_link_ksettings_test_link_mode(ks, advertising,
2249 25000baseKR_Full))
2250 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2251 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2252 40000baseCR4_Full) ||
2253 ethtool_link_ksettings_test_link_mode(ks, advertising,
2254 40000baseSR4_Full) ||
2255 ethtool_link_ksettings_test_link_mode(ks, advertising,
2256 40000baseLR4_Full) ||
2257 ethtool_link_ksettings_test_link_mode(ks, advertising,
2258 40000baseKR4_Full))
2259 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2260 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2261 50000baseCR2_Full) ||
2262 ethtool_link_ksettings_test_link_mode(ks, advertising,
2263 50000baseKR2_Full))
2264 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2265 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2266 50000baseSR2_Full))
2267 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2268 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2269 100000baseCR4_Full) ||
2270 ethtool_link_ksettings_test_link_mode(ks, advertising,
2271 100000baseSR4_Full) ||
2272 ethtool_link_ksettings_test_link_mode(ks, advertising,
2273 100000baseLR4_ER4_Full) ||
2274 ethtool_link_ksettings_test_link_mode(ks, advertising,
2275 100000baseKR4_Full))
2276 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2277
2278 return adv_link_speed;
2279}
2280
2281/**
2282 * ice_setup_autoneg
2283 * @p: port info
2284 * @ks: ethtool_link_ksettings
2285 * @config: configuration that will be sent down to FW
2286 * @autoneg_enabled: autonegotiation is enabled or not
2287 * @autoneg_changed: will there a change in autonegotiation
2288 * @netdev: network interface device structure
2289 *
2290 * Setup PHY autonegotiation feature
2291 */
2292static int
2293ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2294 struct ice_aqc_set_phy_cfg_data *config,
2295 u8 autoneg_enabled, u8 *autoneg_changed,
2296 struct net_device *netdev)
2297{
2298 int err = 0;
2299
2300 *autoneg_changed = 0;
2301
2302 /* Check autoneg */
2303 if (autoneg_enabled == AUTONEG_ENABLE) {
2304 /* If autoneg was not already enabled */
2305 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2306 /* If autoneg is not supported, return error */
2307 if (!ethtool_link_ksettings_test_link_mode(ks,
2308 supported,
2309 Autoneg)) {
2310 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2311 err = -EINVAL;
2312 } else {
2313 /* Autoneg is allowed to change */
2314 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2315 *autoneg_changed = 1;
2316 }
2317 }
2318 } else {
2319 /* If autoneg is currently enabled */
2320 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2321 /* If autoneg is supported 10GBASE_T is the only PHY
2322 * that can disable it, so otherwise return error
2323 */
2324 if (ethtool_link_ksettings_test_link_mode(ks,
2325 supported,
2326 Autoneg)) {
2327 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2328 err = -EINVAL;
2329 } else {
2330 /* Autoneg is allowed to change */
2331 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2332 *autoneg_changed = 1;
2333 }
2334 }
2335 }
2336
2337 return err;
2338}
2339
2340/**
2341 * ice_set_link_ksettings - Set Speed and Duplex
2342 * @netdev: network interface device structure
2343 * @ks: ethtool ksettings
2344 *
2345 * Set speed/duplex per media_types advertised/forced
2346 */
2347static int
2348ice_set_link_ksettings(struct net_device *netdev,
2349 const struct ethtool_link_ksettings *ks)
2350{
2351 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0;
2352 struct ice_netdev_priv *np = netdev_priv(netdev);
2353 struct ethtool_link_ksettings safe_ks, copy_ks;
2354 struct ice_aqc_get_phy_caps_data *abilities;
2355 u16 adv_link_speed, curr_link_speed, idx;
2356 struct ice_aqc_set_phy_cfg_data config;
2357 struct ice_pf *pf = np->vsi->back;
2358 struct ice_port_info *p;
2359 u8 autoneg_changed = 0;
2360 enum ice_status status;
2361 u64 phy_type_high;
2362 u64 phy_type_low;
2363 int err = 0;
2364 bool linkup;
2365
2366 p = np->vsi->port_info;
2367
2368 if (!p)
2369 return -EOPNOTSUPP;
2370
2371 /* Check if this is LAN VSI */
2372 ice_for_each_vsi(pf, idx)
2373 if (pf->vsi[idx]->type == ICE_VSI_PF) {
2374 if (np->vsi != pf->vsi[idx])
2375 return -EOPNOTSUPP;
2376 break;
2377 }
2378
2379 if (p->phy.media_type != ICE_MEDIA_BASET &&
2380 p->phy.media_type != ICE_MEDIA_FIBER &&
2381 p->phy.media_type != ICE_MEDIA_BACKPLANE &&
2382 p->phy.media_type != ICE_MEDIA_DA &&
2383 p->phy.link_info.link_info & ICE_AQ_LINK_UP)
2384 return -EOPNOTSUPP;
2385
2386 /* copy the ksettings to copy_ks to avoid modifying the original */
2387 memcpy(©_ks, ks, sizeof(copy_ks));
2388
2389 /* save autoneg out of ksettings */
2390 autoneg = copy_ks.base.autoneg;
2391
2392 memset(&safe_ks, 0, sizeof(safe_ks));
2393
2394 /* Get link modes supported by hardware.*/
2395 ice_phy_type_to_ethtool(netdev, &safe_ks);
2396
2397 /* and check against modes requested by user.
2398 * Return an error if unsupported mode was set.
2399 */
2400 if (!bitmap_subset(copy_ks.link_modes.advertising,
2401 safe_ks.link_modes.supported,
2402 __ETHTOOL_LINK_MODE_MASK_NBITS))
2403 return -EINVAL;
2404
2405 /* get our own copy of the bits to check against */
2406 memset(&safe_ks, 0, sizeof(safe_ks));
2407 safe_ks.base.cmd = copy_ks.base.cmd;
2408 safe_ks.base.link_mode_masks_nwords =
2409 copy_ks.base.link_mode_masks_nwords;
2410 ice_get_link_ksettings(netdev, &safe_ks);
2411
2412 /* set autoneg back to what it currently is */
2413 copy_ks.base.autoneg = safe_ks.base.autoneg;
2414 /* we don't compare the speed */
2415 copy_ks.base.speed = safe_ks.base.speed;
2416
2417 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2418 * trying to set something that we do not support.
2419 */
2420 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base)))
2421 return -EOPNOTSUPP;
2422
2423 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2424 timeout--;
2425 if (!timeout)
2426 return -EBUSY;
2427 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2428 }
2429
2430 abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities),
2431 GFP_KERNEL);
2432 if (!abilities)
2433 return -ENOMEM;
2434
2435 /* Get the current PHY config */
2436 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities,
2437 NULL);
2438 if (status) {
2439 err = -EAGAIN;
2440 goto done;
2441 }
2442
2443 /* Copy abilities to config in case autoneg is not set below */
2444 memset(&config, 0, sizeof(config));
2445 config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE;
2446 if (abilities->caps & ICE_AQC_PHY_AN_MODE)
2447 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2448
2449 /* Check autoneg */
2450 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed,
2451 netdev);
2452
2453 if (err)
2454 goto done;
2455
2456 /* Call to get the current link speed */
2457 p->phy.get_link_info = true;
2458 status = ice_get_link_status(p, &linkup);
2459 if (status) {
2460 err = -EAGAIN;
2461 goto done;
2462 }
2463
2464 curr_link_speed = p->phy.link_info.link_speed;
2465 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2466
2467 /* If speed didn't get set, set it to what it currently is.
2468 * This is needed because if advertise is 0 (as it is when autoneg
2469 * is disabled) then speed won't get set.
2470 */
2471 if (!adv_link_speed)
2472 adv_link_speed = curr_link_speed;
2473
2474 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2475 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed);
2476
2477 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2478 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2479 goto done;
2480 }
2481
2482 /* copy over the rest of the abilities */
2483 config.low_power_ctrl = abilities->low_power_ctrl;
2484 config.eee_cap = abilities->eee_cap;
2485 config.eeer_value = abilities->eeer_value;
2486 config.link_fec_opt = abilities->link_fec_options;
2487
2488 /* save the requested speeds */
2489 p->phy.link_info.req_speeds = adv_link_speed;
2490
2491 /* set link and auto negotiation so changes take effect */
2492 config.caps |= ICE_AQ_PHY_ENA_LINK;
2493
2494 if (phy_type_low || phy_type_high) {
2495 config.phy_type_high = cpu_to_le64(phy_type_high) &
2496 abilities->phy_type_high;
2497 config.phy_type_low = cpu_to_le64(phy_type_low) &
2498 abilities->phy_type_low;
2499 } else {
2500 err = -EAGAIN;
2501 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n");
2502 goto done;
2503 }
2504
2505 /* If link is up put link down */
2506 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2507 /* Tell the OS link is going down, the link will go
2508 * back up when fw says it is ready asynchronously
2509 */
2510 ice_print_link_msg(np->vsi, false);
2511 netif_carrier_off(netdev);
2512 netif_tx_stop_all_queues(netdev);
2513 }
2514
2515 /* make the aq call */
2516 status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL);
2517 if (status) {
2518 netdev_info(netdev, "Set phy config failed,\n");
2519 err = -EAGAIN;
2520 }
2521
2522done:
2523 devm_kfree(&pf->pdev->dev, abilities);
2524 clear_bit(__ICE_CFG_BUSY, pf->state);
2525
2526 return err;
2527}
2528
2529/**
2530 * ice_get_rxnfc - command to get Rx flow classification rules
2531 * @netdev: network interface device structure
2532 * @cmd: ethtool rxnfc command
2533 * @rule_locs: buffer to rturn Rx flow classification rules
2534 *
2535 * Returns Success if the command is supported.
2536 */
2537static int
2538ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2539 u32 __always_unused *rule_locs)
2540{
2541 struct ice_netdev_priv *np = netdev_priv(netdev);
2542 struct ice_vsi *vsi = np->vsi;
2543 int ret = -EOPNOTSUPP;
2544
2545 switch (cmd->cmd) {
2546 case ETHTOOL_GRXRINGS:
2547 cmd->data = vsi->rss_size;
2548 ret = 0;
2549 break;
2550 default:
2551 break;
2552 }
2553
2554 return ret;
2555}
2556
2557static void
2558ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2559{
2560 struct ice_netdev_priv *np = netdev_priv(netdev);
2561 struct ice_vsi *vsi = np->vsi;
2562
2563 ring->rx_max_pending = ICE_MAX_NUM_DESC;
2564 ring->tx_max_pending = ICE_MAX_NUM_DESC;
2565 ring->rx_pending = vsi->rx_rings[0]->count;
2566 ring->tx_pending = vsi->tx_rings[0]->count;
2567
2568 /* Rx mini and jumbo rings are not supported */
2569 ring->rx_mini_max_pending = 0;
2570 ring->rx_jumbo_max_pending = 0;
2571 ring->rx_mini_pending = 0;
2572 ring->rx_jumbo_pending = 0;
2573}
2574
2575static int
2576ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2577{
2578 struct ice_ring *tx_rings = NULL, *rx_rings = NULL;
2579 struct ice_netdev_priv *np = netdev_priv(netdev);
2580 struct ice_vsi *vsi = np->vsi;
2581 struct ice_pf *pf = vsi->back;
2582 int i, timeout = 50, err = 0;
2583 u32 new_rx_cnt, new_tx_cnt;
2584
2585 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2586 ring->tx_pending < ICE_MIN_NUM_DESC ||
2587 ring->rx_pending > ICE_MAX_NUM_DESC ||
2588 ring->rx_pending < ICE_MIN_NUM_DESC) {
2589 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2590 ring->tx_pending, ring->rx_pending,
2591 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2592 ICE_REQ_DESC_MULTIPLE);
2593 return -EINVAL;
2594 }
2595
2596 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2597 if (new_tx_cnt != ring->tx_pending)
2598 netdev_info(netdev,
2599 "Requested Tx descriptor count rounded up to %d\n",
2600 new_tx_cnt);
2601 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2602 if (new_rx_cnt != ring->rx_pending)
2603 netdev_info(netdev,
2604 "Requested Rx descriptor count rounded up to %d\n",
2605 new_rx_cnt);
2606
2607 /* if nothing to do return success */
2608 if (new_tx_cnt == vsi->tx_rings[0]->count &&
2609 new_rx_cnt == vsi->rx_rings[0]->count) {
2610 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2611 return 0;
2612 }
2613
2614 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2615 timeout--;
2616 if (!timeout)
2617 return -EBUSY;
2618 usleep_range(1000, 2000);
2619 }
2620
2621 /* set for the next time the netdev is started */
2622 if (!netif_running(vsi->netdev)) {
2623 for (i = 0; i < vsi->alloc_txq; i++)
2624 vsi->tx_rings[i]->count = new_tx_cnt;
2625 for (i = 0; i < vsi->alloc_rxq; i++)
2626 vsi->rx_rings[i]->count = new_rx_cnt;
2627 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2628 goto done;
2629 }
2630
2631 if (new_tx_cnt == vsi->tx_rings[0]->count)
2632 goto process_rx;
2633
2634 /* alloc updated Tx resources */
2635 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2636 vsi->tx_rings[0]->count, new_tx_cnt);
2637
2638 tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq,
2639 sizeof(*tx_rings), GFP_KERNEL);
2640 if (!tx_rings) {
2641 err = -ENOMEM;
2642 goto done;
2643 }
2644
2645 for (i = 0; i < vsi->alloc_txq; i++) {
2646 /* clone ring and setup updated count */
2647 tx_rings[i] = *vsi->tx_rings[i];
2648 tx_rings[i].count = new_tx_cnt;
2649 tx_rings[i].desc = NULL;
2650 tx_rings[i].tx_buf = NULL;
2651 err = ice_setup_tx_ring(&tx_rings[i]);
2652 if (err) {
2653 while (i) {
2654 i--;
2655 ice_clean_tx_ring(&tx_rings[i]);
2656 }
2657 devm_kfree(&pf->pdev->dev, tx_rings);
2658 goto done;
2659 }
2660 }
2661
2662process_rx:
2663 if (new_rx_cnt == vsi->rx_rings[0]->count)
2664 goto process_link;
2665
2666 /* alloc updated Rx resources */
2667 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2668 vsi->rx_rings[0]->count, new_rx_cnt);
2669
2670 rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq,
2671 sizeof(*rx_rings), GFP_KERNEL);
2672 if (!rx_rings) {
2673 err = -ENOMEM;
2674 goto done;
2675 }
2676
2677 for (i = 0; i < vsi->alloc_rxq; i++) {
2678 /* clone ring and setup updated count */
2679 rx_rings[i] = *vsi->rx_rings[i];
2680 rx_rings[i].count = new_rx_cnt;
2681 rx_rings[i].desc = NULL;
2682 rx_rings[i].rx_buf = NULL;
2683 /* this is to allow wr32 to have something to write to
2684 * during early allocation of Rx buffers
2685 */
2686 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2687
2688 err = ice_setup_rx_ring(&rx_rings[i]);
2689 if (err)
2690 goto rx_unwind;
2691
2692 /* allocate Rx buffers */
2693 err = ice_alloc_rx_bufs(&rx_rings[i],
2694 ICE_DESC_UNUSED(&rx_rings[i]));
2695rx_unwind:
2696 if (err) {
2697 while (i) {
2698 i--;
2699 ice_free_rx_ring(&rx_rings[i]);
2700 }
2701 devm_kfree(&pf->pdev->dev, rx_rings);
2702 err = -ENOMEM;
2703 goto free_tx;
2704 }
2705 }
2706
2707process_link:
2708 /* Bring interface down, copy in the new ring info, then restore the
2709 * interface. if VSI is up, bring it down and then back up
2710 */
2711 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
2712 ice_down(vsi);
2713
2714 if (tx_rings) {
2715 for (i = 0; i < vsi->alloc_txq; i++) {
2716 ice_free_tx_ring(vsi->tx_rings[i]);
2717 *vsi->tx_rings[i] = tx_rings[i];
2718 }
2719 devm_kfree(&pf->pdev->dev, tx_rings);
2720 }
2721
2722 if (rx_rings) {
2723 for (i = 0; i < vsi->alloc_rxq; i++) {
2724 ice_free_rx_ring(vsi->rx_rings[i]);
2725 /* copy the real tail offset */
2726 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2727 /* this is to fake out the allocation routine
2728 * into thinking it has to realloc everything
2729 * but the recycling logic will let us re-use
2730 * the buffers allocated above
2731 */
2732 rx_rings[i].next_to_use = 0;
2733 rx_rings[i].next_to_clean = 0;
2734 rx_rings[i].next_to_alloc = 0;
2735 *vsi->rx_rings[i] = rx_rings[i];
2736 }
2737 devm_kfree(&pf->pdev->dev, rx_rings);
2738 }
2739
2740 ice_up(vsi);
2741 }
2742 goto done;
2743
2744free_tx:
2745 /* error cleanup if the Rx allocations failed after getting Tx */
2746 if (tx_rings) {
2747 for (i = 0; i < vsi->alloc_txq; i++)
2748 ice_free_tx_ring(&tx_rings[i]);
2749 devm_kfree(&pf->pdev->dev, tx_rings);
2750 }
2751
2752done:
2753 clear_bit(__ICE_CFG_BUSY, pf->state);
2754 return err;
2755}
2756
2757static int ice_nway_reset(struct net_device *netdev)
2758{
2759 /* restart autonegotiation */
2760 struct ice_netdev_priv *np = netdev_priv(netdev);
2761 struct ice_vsi *vsi = np->vsi;
2762 struct ice_port_info *pi;
2763 enum ice_status status;
2764
2765 pi = vsi->port_info;
2766 /* If VSI state is up, then restart autoneg with link up */
2767 if (!test_bit(__ICE_DOWN, vsi->back->state))
2768 status = ice_aq_set_link_restart_an(pi, true, NULL);
2769 else
2770 status = ice_aq_set_link_restart_an(pi, false, NULL);
2771
2772 if (status) {
2773 netdev_info(netdev, "link restart failed, err %d aq_err %d\n",
2774 status, pi->hw->adminq.sq_last_status);
2775 return -EIO;
2776 }
2777
2778 return 0;
2779}
2780
2781/**
2782 * ice_get_pauseparam - Get Flow Control status
2783 * @netdev: network interface device structure
2784 * @pause: ethernet pause (flow control) parameters
2785 *
2786 * Get requested flow control status from PHY capability.
2787 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
2788 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
2789 * the negotiated Rx/Tx pause via lp_advertising.
2790 */
2791static void
2792ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2793{
2794 struct ice_netdev_priv *np = netdev_priv(netdev);
2795 struct ice_port_info *pi = np->vsi->port_info;
2796 struct ice_aqc_get_phy_caps_data *pcaps;
2797 struct ice_vsi *vsi = np->vsi;
2798 struct ice_dcbx_cfg *dcbx_cfg;
2799 enum ice_status status;
2800
2801 /* Initialize pause params */
2802 pause->rx_pause = 0;
2803 pause->tx_pause = 0;
2804
2805 dcbx_cfg = &pi->local_dcbx_cfg;
2806
2807 pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps),
2808 GFP_KERNEL);
2809 if (!pcaps)
2810 return;
2811
2812 /* Get current PHY config */
2813 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2814 NULL);
2815 if (status)
2816 goto out;
2817
2818 pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
2819 AUTONEG_ENABLE : AUTONEG_DISABLE);
2820
2821 if (dcbx_cfg->pfc.pfcena)
2822 /* PFC enabled so report LFC as off */
2823 goto out;
2824
2825 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2826 pause->tx_pause = 1;
2827 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2828 pause->rx_pause = 1;
2829
2830out:
2831 devm_kfree(&vsi->back->pdev->dev, pcaps);
2832}
2833
2834/**
2835 * ice_set_pauseparam - Set Flow Control parameter
2836 * @netdev: network interface device structure
2837 * @pause: return Tx/Rx flow control status
2838 */
2839static int
2840ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2841{
2842 struct ice_netdev_priv *np = netdev_priv(netdev);
2843 struct ice_aqc_get_phy_caps_data *pcaps;
2844 struct ice_link_status *hw_link_info;
2845 struct ice_pf *pf = np->vsi->back;
2846 struct ice_dcbx_cfg *dcbx_cfg;
2847 struct ice_vsi *vsi = np->vsi;
2848 struct ice_hw *hw = &pf->hw;
2849 struct ice_port_info *pi;
2850 enum ice_status status;
2851 u8 aq_failures;
2852 bool link_up;
2853 int err = 0;
2854 u32 is_an;
2855
2856 pi = vsi->port_info;
2857 hw_link_info = &pi->phy.link_info;
2858 dcbx_cfg = &pi->local_dcbx_cfg;
2859 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
2860
2861 /* Changing the port's flow control is not supported if this isn't the
2862 * PF VSI
2863 */
2864 if (vsi->type != ICE_VSI_PF) {
2865 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
2866 return -EOPNOTSUPP;
2867 }
2868
2869 /* Get pause param reports configured and negotiated flow control pause
2870 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
2871 * defined get pause param pause->autoneg reports SW configured setting,
2872 * so compare pause->autoneg with SW configured to prevent the user from
2873 * using set pause param to chance autoneg.
2874 */
2875 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2876 if (!pcaps)
2877 return -ENOMEM;
2878
2879 /* Get current PHY config */
2880 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2881 NULL);
2882 if (status) {
2883 kfree(pcaps);
2884 return -EIO;
2885 }
2886
2887 is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
2888 AUTONEG_ENABLE : AUTONEG_DISABLE);
2889
2890 kfree(pcaps);
2891
2892 if (pause->autoneg != is_an) {
2893 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
2894 return -EOPNOTSUPP;
2895 }
2896
2897 /* If we have link and don't have autoneg */
2898 if (!test_bit(__ICE_DOWN, pf->state) &&
2899 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
2900 /* Send message that it might not necessarily work*/
2901 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
2902 }
2903
2904 if (dcbx_cfg->pfc.pfcena) {
2905 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
2906 return -EOPNOTSUPP;
2907 }
2908 if (pause->rx_pause && pause->tx_pause)
2909 pi->fc.req_mode = ICE_FC_FULL;
2910 else if (pause->rx_pause && !pause->tx_pause)
2911 pi->fc.req_mode = ICE_FC_RX_PAUSE;
2912 else if (!pause->rx_pause && pause->tx_pause)
2913 pi->fc.req_mode = ICE_FC_TX_PAUSE;
2914 else if (!pause->rx_pause && !pause->tx_pause)
2915 pi->fc.req_mode = ICE_FC_NONE;
2916 else
2917 return -EINVAL;
2918
2919 /* Tell the OS link is going down, the link will go back up when fw
2920 * says it is ready asynchronously
2921 */
2922 ice_print_link_msg(vsi, false);
2923 netif_carrier_off(netdev);
2924 netif_tx_stop_all_queues(netdev);
2925
2926 /* Set the FC mode and only restart AN if link is up */
2927 status = ice_set_fc(pi, &aq_failures, link_up);
2928
2929 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
2930 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n",
2931 status, hw->adminq.sq_last_status);
2932 err = -EAGAIN;
2933 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
2934 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n",
2935 status, hw->adminq.sq_last_status);
2936 err = -EAGAIN;
2937 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
2938 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n",
2939 status, hw->adminq.sq_last_status);
2940 err = -EAGAIN;
2941 }
2942
2943 if (!test_bit(__ICE_DOWN, pf->state)) {
2944 /* Give it a little more time to try to come back. If still
2945 * down, restart autoneg link or reinitialize the interface.
2946 */
2947 msleep(75);
2948 if (!test_bit(__ICE_DOWN, pf->state))
2949 return ice_nway_reset(netdev);
2950
2951 ice_down(vsi);
2952 ice_up(vsi);
2953 }
2954
2955 return err;
2956}
2957
2958/**
2959 * ice_get_rxfh_key_size - get the RSS hash key size
2960 * @netdev: network interface device structure
2961 *
2962 * Returns the table size.
2963 */
2964static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
2965{
2966 return ICE_VSIQF_HKEY_ARRAY_SIZE;
2967}
2968
2969/**
2970 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
2971 * @netdev: network interface device structure
2972 *
2973 * Returns the table size.
2974 */
2975static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
2976{
2977 struct ice_netdev_priv *np = netdev_priv(netdev);
2978
2979 return np->vsi->rss_table_size;
2980}
2981
2982/**
2983 * ice_get_rxfh - get the Rx flow hash indirection table
2984 * @netdev: network interface device structure
2985 * @indir: indirection table
2986 * @key: hash key
2987 * @hfunc: hash function
2988 *
2989 * Reads the indirection table directly from the hardware.
2990 */
2991static int
2992ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
2993{
2994 struct ice_netdev_priv *np = netdev_priv(netdev);
2995 struct ice_vsi *vsi = np->vsi;
2996 struct ice_pf *pf = vsi->back;
2997 int ret = 0, i;
2998 u8 *lut;
2999
3000 if (hfunc)
3001 *hfunc = ETH_RSS_HASH_TOP;
3002
3003 if (!indir)
3004 return 0;
3005
3006 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3007 /* RSS not supported return error here */
3008 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3009 return -EIO;
3010 }
3011
3012 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL);
3013 if (!lut)
3014 return -ENOMEM;
3015
3016 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) {
3017 ret = -EIO;
3018 goto out;
3019 }
3020
3021 for (i = 0; i < vsi->rss_table_size; i++)
3022 indir[i] = (u32)(lut[i]);
3023
3024out:
3025 devm_kfree(&pf->pdev->dev, lut);
3026 return ret;
3027}
3028
3029/**
3030 * ice_set_rxfh - set the Rx flow hash indirection table
3031 * @netdev: network interface device structure
3032 * @indir: indirection table
3033 * @key: hash key
3034 * @hfunc: hash function
3035 *
3036 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3037 * returns 0 after programming the table.
3038 */
3039static int
3040ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3041 const u8 hfunc)
3042{
3043 struct ice_netdev_priv *np = netdev_priv(netdev);
3044 struct ice_vsi *vsi = np->vsi;
3045 struct ice_pf *pf = vsi->back;
3046 u8 *seed = NULL;
3047
3048 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3049 return -EOPNOTSUPP;
3050
3051 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3052 /* RSS not supported return error here */
3053 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3054 return -EIO;
3055 }
3056
3057 if (key) {
3058 if (!vsi->rss_hkey_user) {
3059 vsi->rss_hkey_user =
3060 devm_kzalloc(&pf->pdev->dev,
3061 ICE_VSIQF_HKEY_ARRAY_SIZE,
3062 GFP_KERNEL);
3063 if (!vsi->rss_hkey_user)
3064 return -ENOMEM;
3065 }
3066 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3067 seed = vsi->rss_hkey_user;
3068 }
3069
3070 if (!vsi->rss_lut_user) {
3071 vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev,
3072 vsi->rss_table_size,
3073 GFP_KERNEL);
3074 if (!vsi->rss_lut_user)
3075 return -ENOMEM;
3076 }
3077
3078 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3079 if (indir) {
3080 int i;
3081
3082 for (i = 0; i < vsi->rss_table_size; i++)
3083 vsi->rss_lut_user[i] = (u8)(indir[i]);
3084 } else {
3085 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3086 vsi->rss_size);
3087 }
3088
3089 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size))
3090 return -EIO;
3091
3092 return 0;
3093}
3094
3095enum ice_container_type {
3096 ICE_RX_CONTAINER,
3097 ICE_TX_CONTAINER,
3098};
3099
3100/**
3101 * ice_get_rc_coalesce - get ITR values for specific ring container
3102 * @ec: ethtool structure to fill with driver's coalesce settings
3103 * @c_type: container type, Rx or Tx
3104 * @rc: ring container that the ITR values will come from
3105 *
3106 * Query the device for ice_ring_container specific ITR values. This is
3107 * done per ice_ring_container because each q_vector can have 1 or more rings
3108 * and all of said ring(s) will have the same ITR values.
3109 *
3110 * Returns 0 on success, negative otherwise.
3111 */
3112static int
3113ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type,
3114 struct ice_ring_container *rc)
3115{
3116 struct ice_pf *pf;
3117
3118 if (!rc->ring)
3119 return -EINVAL;
3120
3121 pf = rc->ring->vsi->back;
3122
3123 switch (c_type) {
3124 case ICE_RX_CONTAINER:
3125 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3126 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3127 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl;
3128 break;
3129 case ICE_TX_CONTAINER:
3130 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3131 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3132 break;
3133 default:
3134 dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type);
3135 return -EINVAL;
3136 }
3137
3138 return 0;
3139}
3140
3141/**
3142 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3143 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3144 * @ec: coalesce settings to program the device with
3145 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3146 *
3147 * Return 0 on success, and negative under the following conditions:
3148 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3149 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3150 */
3151static int
3152ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3153{
3154 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3155 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3156 &vsi->rx_rings[q_num]->q_vector->rx))
3157 return -EINVAL;
3158 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3159 &vsi->tx_rings[q_num]->q_vector->tx))
3160 return -EINVAL;
3161 } else if (q_num < vsi->num_rxq) {
3162 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3163 &vsi->rx_rings[q_num]->q_vector->rx))
3164 return -EINVAL;
3165 } else if (q_num < vsi->num_txq) {
3166 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3167 &vsi->tx_rings[q_num]->q_vector->tx))
3168 return -EINVAL;
3169 } else {
3170 return -EINVAL;
3171 }
3172
3173 return 0;
3174}
3175
3176/**
3177 * __ice_get_coalesce - get ITR/INTRL values for the device
3178 * @netdev: pointer to the netdev associated with this query
3179 * @ec: ethtool structure to fill with driver's coalesce settings
3180 * @q_num: queue number to get the coalesce settings for
3181 *
3182 * If the caller passes in a negative q_num then we return coalesce settings
3183 * based on queue number 0, else use the actual q_num passed in.
3184 */
3185static int
3186__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3187 int q_num)
3188{
3189 struct ice_netdev_priv *np = netdev_priv(netdev);
3190 struct ice_vsi *vsi = np->vsi;
3191
3192 if (q_num < 0)
3193 q_num = 0;
3194
3195 if (ice_get_q_coalesce(vsi, ec, q_num))
3196 return -EINVAL;
3197
3198 return 0;
3199}
3200
3201static int
3202ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3203{
3204 return __ice_get_coalesce(netdev, ec, -1);
3205}
3206
3207static int
3208ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3209 struct ethtool_coalesce *ec)
3210{
3211 return __ice_get_coalesce(netdev, ec, q_num);
3212}
3213
3214/**
3215 * ice_set_rc_coalesce - set ITR values for specific ring container
3216 * @c_type: container type, Rx or Tx
3217 * @ec: ethtool structure from user to update ITR settings
3218 * @rc: ring container that the ITR values will come from
3219 * @vsi: VSI associated to the ring container
3220 *
3221 * Set specific ITR values. This is done per ice_ring_container because each
3222 * q_vector can have 1 or more rings and all of said ring(s) will have the same
3223 * ITR values.
3224 *
3225 * Returns 0 on success, negative otherwise.
3226 */
3227static int
3228ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec,
3229 struct ice_ring_container *rc, struct ice_vsi *vsi)
3230{
3231 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx";
3232 u32 use_adaptive_coalesce, coalesce_usecs;
3233 struct ice_pf *pf = vsi->back;
3234 u16 itr_setting;
3235
3236 if (!rc->ring)
3237 return -EINVAL;
3238
3239 switch (c_type) {
3240 case ICE_RX_CONTAINER:
3241 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3242 (ec->rx_coalesce_usecs_high &&
3243 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3244 netdev_info(vsi->netdev,
3245 "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3246 c_type_str, pf->hw.intrl_gran,
3247 ICE_MAX_INTRL);
3248 return -EINVAL;
3249 }
3250 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) {
3251 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high;
3252 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx),
3253 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high,
3254 pf->hw.intrl_gran));
3255 }
3256
3257 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3258 coalesce_usecs = ec->rx_coalesce_usecs;
3259
3260 break;
3261 case ICE_TX_CONTAINER:
3262 if (ec->tx_coalesce_usecs_high) {
3263 netdev_info(vsi->netdev,
3264 "setting %s-usecs-high is not supported\n",
3265 c_type_str);
3266 return -EINVAL;
3267 }
3268
3269 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3270 coalesce_usecs = ec->tx_coalesce_usecs;
3271
3272 break;
3273 default:
3274 dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type);
3275 return -EINVAL;
3276 }
3277
3278 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3279 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3280 netdev_info(vsi->netdev,
3281 "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3282 c_type_str, c_type_str);
3283 return -EINVAL;
3284 }
3285
3286 if (coalesce_usecs > ICE_ITR_MAX) {
3287 netdev_info(vsi->netdev,
3288 "Invalid value, %s-usecs range is 0-%d\n",
3289 c_type_str, ICE_ITR_MAX);
3290 return -EINVAL;
3291 }
3292
3293 /* hardware only supports an ITR granularity of 2us */
3294 if (coalesce_usecs % 2 != 0) {
3295 netdev_info(vsi->netdev,
3296 "Invalid value, %s-usecs must be even\n",
3297 c_type_str);
3298 return -EINVAL;
3299 }
3300
3301 if (use_adaptive_coalesce) {
3302 rc->itr_setting |= ICE_ITR_DYNAMIC;
3303 } else {
3304 /* store user facing value how it was set */
3305 rc->itr_setting = coalesce_usecs;
3306 /* set to static and convert to value HW understands */
3307 rc->target_itr =
3308 ITR_TO_REG(ITR_REG_ALIGN(rc->itr_setting));
3309 }
3310
3311 return 0;
3312}
3313
3314/**
3315 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3316 * @vsi: VSI associated to the queue that need updating
3317 * @ec: coalesce settings to program the device with
3318 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3319 *
3320 * Return 0 on success, and negative under the following conditions:
3321 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3322 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3323 */
3324static int
3325ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3326{
3327 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3328 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3329 &vsi->rx_rings[q_num]->q_vector->rx,
3330 vsi))
3331 return -EINVAL;
3332
3333 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3334 &vsi->tx_rings[q_num]->q_vector->tx,
3335 vsi))
3336 return -EINVAL;
3337 } else if (q_num < vsi->num_rxq) {
3338 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3339 &vsi->rx_rings[q_num]->q_vector->rx,
3340 vsi))
3341 return -EINVAL;
3342 } else if (q_num < vsi->num_txq) {
3343 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3344 &vsi->tx_rings[q_num]->q_vector->tx,
3345 vsi))
3346 return -EINVAL;
3347 } else {
3348 return -EINVAL;
3349 }
3350
3351 return 0;
3352}
3353
3354/**
3355 * __ice_set_coalesce - set ITR/INTRL values for the device
3356 * @netdev: pointer to the netdev associated with this query
3357 * @ec: ethtool structure to fill with driver's coalesce settings
3358 * @q_num: queue number to get the coalesce settings for
3359 *
3360 * If the caller passes in a negative q_num then we set the coalesce settings
3361 * for all Tx/Rx queues, else use the actual q_num passed in.
3362 */
3363static int
3364__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3365 int q_num)
3366{
3367 struct ice_netdev_priv *np = netdev_priv(netdev);
3368 struct ice_vsi *vsi = np->vsi;
3369
3370 if (q_num < 0) {
3371 int i;
3372
3373 ice_for_each_q_vector(vsi, i) {
3374 if (ice_set_q_coalesce(vsi, ec, i))
3375 return -EINVAL;
3376 }
3377 goto set_complete;
3378 }
3379
3380 if (ice_set_q_coalesce(vsi, ec, q_num))
3381 return -EINVAL;
3382
3383set_complete:
3384
3385 return 0;
3386}
3387
3388static int
3389ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3390{
3391 return __ice_set_coalesce(netdev, ec, -1);
3392}
3393
3394static int
3395ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3396 struct ethtool_coalesce *ec)
3397{
3398 return __ice_set_coalesce(netdev, ec, q_num);
3399}
3400
3401static const struct ethtool_ops ice_ethtool_ops = {
3402 .get_link_ksettings = ice_get_link_ksettings,
3403 .set_link_ksettings = ice_set_link_ksettings,
3404 .get_drvinfo = ice_get_drvinfo,
3405 .get_regs_len = ice_get_regs_len,
3406 .get_regs = ice_get_regs,
3407 .get_msglevel = ice_get_msglevel,
3408 .set_msglevel = ice_set_msglevel,
3409 .self_test = ice_self_test,
3410 .get_link = ethtool_op_get_link,
3411 .get_eeprom_len = ice_get_eeprom_len,
3412 .get_eeprom = ice_get_eeprom,
3413 .get_coalesce = ice_get_coalesce,
3414 .set_coalesce = ice_set_coalesce,
3415 .get_strings = ice_get_strings,
3416 .set_phys_id = ice_set_phys_id,
3417 .get_ethtool_stats = ice_get_ethtool_stats,
3418 .get_priv_flags = ice_get_priv_flags,
3419 .set_priv_flags = ice_set_priv_flags,
3420 .get_sset_count = ice_get_sset_count,
3421 .get_rxnfc = ice_get_rxnfc,
3422 .get_ringparam = ice_get_ringparam,
3423 .set_ringparam = ice_set_ringparam,
3424 .nway_reset = ice_nway_reset,
3425 .get_pauseparam = ice_get_pauseparam,
3426 .set_pauseparam = ice_set_pauseparam,
3427 .get_rxfh_key_size = ice_get_rxfh_key_size,
3428 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
3429 .get_rxfh = ice_get_rxfh,
3430 .set_rxfh = ice_set_rxfh,
3431 .get_ts_info = ethtool_op_get_ts_info,
3432 .get_per_queue_coalesce = ice_get_per_q_coalesce,
3433 .set_per_queue_coalesce = ice_set_per_q_coalesce,
3434 .get_fecparam = ice_get_fecparam,
3435 .set_fecparam = ice_set_fecparam,
3436};
3437
3438static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
3439 .get_link_ksettings = ice_get_link_ksettings,
3440 .set_link_ksettings = ice_set_link_ksettings,
3441 .get_drvinfo = ice_get_drvinfo,
3442 .get_regs_len = ice_get_regs_len,
3443 .get_regs = ice_get_regs,
3444 .get_msglevel = ice_get_msglevel,
3445 .set_msglevel = ice_set_msglevel,
3446 .get_eeprom_len = ice_get_eeprom_len,
3447 .get_eeprom = ice_get_eeprom,
3448 .get_strings = ice_get_strings,
3449 .get_ethtool_stats = ice_get_ethtool_stats,
3450 .get_sset_count = ice_get_sset_count,
3451 .get_ringparam = ice_get_ringparam,
3452 .set_ringparam = ice_set_ringparam,
3453 .nway_reset = ice_nway_reset,
3454};
3455
3456/**
3457 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
3458 * @netdev: network interface device structure
3459 */
3460void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
3461{
3462 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
3463}
3464
3465/**
3466 * ice_set_ethtool_ops - setup netdev ethtool ops
3467 * @netdev: network interface device structure
3468 *
3469 * setup netdev ethtool ops with ice specific ops
3470 */
3471void ice_set_ethtool_ops(struct net_device *netdev)
3472{
3473 netdev->ethtool_ops = &ice_ethtool_ops;
3474}
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2018, Intel Corporation. */
3
4/* ethtool support for ice */
5
6#include "ice.h"
7#include "ice_flow.h"
8#include "ice_fltr.h"
9#include "ice_lib.h"
10#include "ice_dcb_lib.h"
11#include <net/dcbnl.h>
12
13struct ice_stats {
14 char stat_string[ETH_GSTRING_LEN];
15 int sizeof_stat;
16 int stat_offset;
17};
18
19#define ICE_STAT(_type, _name, _stat) { \
20 .stat_string = _name, \
21 .sizeof_stat = sizeof_field(_type, _stat), \
22 .stat_offset = offsetof(_type, _stat) \
23}
24
25#define ICE_VSI_STAT(_name, _stat) \
26 ICE_STAT(struct ice_vsi, _name, _stat)
27#define ICE_PF_STAT(_name, _stat) \
28 ICE_STAT(struct ice_pf, _name, _stat)
29
30static int ice_q_stats_len(struct net_device *netdev)
31{
32 struct ice_netdev_priv *np = netdev_priv(netdev);
33
34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
35 (sizeof(struct ice_q_stats) / sizeof(u64)));
36}
37
38#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
39#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
40
41#define ICE_PFC_STATS_LEN ( \
42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
46 / sizeof(u64))
47#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
48 ICE_VSI_STATS_LEN + ice_q_stats_len(n))
49
50static const struct ice_stats ice_gstrings_vsi_stats[] = {
51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
64 ICE_VSI_STAT("tx_linearize", tx_linearize),
65 ICE_VSI_STAT("tx_busy", tx_busy),
66 ICE_VSI_STAT("tx_restart", tx_restart),
67};
68
69enum ice_ethtool_test_id {
70 ICE_ETH_TEST_REG = 0,
71 ICE_ETH_TEST_EEPROM,
72 ICE_ETH_TEST_INTR,
73 ICE_ETH_TEST_LOOP,
74 ICE_ETH_TEST_LINK,
75};
76
77static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
78 "Register test (offline)",
79 "EEPROM test (offline)",
80 "Interrupt test (offline)",
81 "Loopback test (offline)",
82 "Link test (on/offline)",
83};
84
85#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
86
87/* These PF_STATs might look like duplicates of some NETDEV_STATs,
88 * but they aren't. This device is capable of supporting multiple
89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
90 * netdevs whereas the PF_STATs are for the physical function that's
91 * hosting these netdevs.
92 *
93 * The PF_STATs are appended to the netdev stats only when ethtool -S
94 * is queried on the base PF netdev.
95 */
96static const struct ice_stats ice_gstrings_pf_stats[] = {
97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
139 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
144};
145
146static const u32 ice_regs_dump_list[] = {
147 PFGEN_STATE,
148 PRTGEN_STATUS,
149 QRX_CTRL(0),
150 QINT_TQCTL(0),
151 QINT_RQCTL(0),
152 PFINT_OICR_ENA,
153 QRX_ITR(0),
154#define GLDCB_TLPM_PCI_DM 0x000A0180
155 GLDCB_TLPM_PCI_DM,
156#define GLDCB_TLPM_TC2PFC 0x000A0194
157 GLDCB_TLPM_TC2PFC,
158#define TCDCB_TLPM_WAIT_DM(_i) (0x000A0080 + ((_i) * 4))
159 TCDCB_TLPM_WAIT_DM(0),
160 TCDCB_TLPM_WAIT_DM(1),
161 TCDCB_TLPM_WAIT_DM(2),
162 TCDCB_TLPM_WAIT_DM(3),
163 TCDCB_TLPM_WAIT_DM(4),
164 TCDCB_TLPM_WAIT_DM(5),
165 TCDCB_TLPM_WAIT_DM(6),
166 TCDCB_TLPM_WAIT_DM(7),
167 TCDCB_TLPM_WAIT_DM(8),
168 TCDCB_TLPM_WAIT_DM(9),
169 TCDCB_TLPM_WAIT_DM(10),
170 TCDCB_TLPM_WAIT_DM(11),
171 TCDCB_TLPM_WAIT_DM(12),
172 TCDCB_TLPM_WAIT_DM(13),
173 TCDCB_TLPM_WAIT_DM(14),
174 TCDCB_TLPM_WAIT_DM(15),
175 TCDCB_TLPM_WAIT_DM(16),
176 TCDCB_TLPM_WAIT_DM(17),
177 TCDCB_TLPM_WAIT_DM(18),
178 TCDCB_TLPM_WAIT_DM(19),
179 TCDCB_TLPM_WAIT_DM(20),
180 TCDCB_TLPM_WAIT_DM(21),
181 TCDCB_TLPM_WAIT_DM(22),
182 TCDCB_TLPM_WAIT_DM(23),
183 TCDCB_TLPM_WAIT_DM(24),
184 TCDCB_TLPM_WAIT_DM(25),
185 TCDCB_TLPM_WAIT_DM(26),
186 TCDCB_TLPM_WAIT_DM(27),
187 TCDCB_TLPM_WAIT_DM(28),
188 TCDCB_TLPM_WAIT_DM(29),
189 TCDCB_TLPM_WAIT_DM(30),
190 TCDCB_TLPM_WAIT_DM(31),
191#define GLPCI_WATMK_CLNT_PIPEMON 0x000BFD90
192 GLPCI_WATMK_CLNT_PIPEMON,
193#define GLPCI_CUR_CLNT_COMMON 0x000BFD84
194 GLPCI_CUR_CLNT_COMMON,
195#define GLPCI_CUR_CLNT_PIPEMON 0x000BFD88
196 GLPCI_CUR_CLNT_PIPEMON,
197#define GLPCI_PCIERR 0x0009DEB0
198 GLPCI_PCIERR,
199#define GLPSM_DEBUG_CTL_STATUS 0x000B0600
200 GLPSM_DEBUG_CTL_STATUS,
201#define GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0680
202 GLPSM0_DEBUG_FIFO_OVERFLOW_DETECT,
203#define GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0684
204 GLPSM0_DEBUG_FIFO_UNDERFLOW_DETECT,
205#define GLPSM0_DEBUG_DT_OUT_OF_WINDOW 0x000B0688
206 GLPSM0_DEBUG_DT_OUT_OF_WINDOW,
207#define GLPSM0_DEBUG_INTF_HW_ERROR_DETECT 0x000B069C
208 GLPSM0_DEBUG_INTF_HW_ERROR_DETECT,
209#define GLPSM0_DEBUG_MISC_HW_ERROR_DETECT 0x000B06A0
210 GLPSM0_DEBUG_MISC_HW_ERROR_DETECT,
211#define GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT 0x000B0E80
212 GLPSM1_DEBUG_FIFO_OVERFLOW_DETECT,
213#define GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B0E84
214 GLPSM1_DEBUG_FIFO_UNDERFLOW_DETECT,
215#define GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT 0x000B0E88
216 GLPSM1_DEBUG_SRL_FIFO_OVERFLOW_DETECT,
217#define GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT 0x000B0E8C
218 GLPSM1_DEBUG_SRL_FIFO_UNDERFLOW_DETECT,
219#define GLPSM1_DEBUG_MISC_HW_ERROR_DETECT 0x000B0E90
220 GLPSM1_DEBUG_MISC_HW_ERROR_DETECT,
221#define GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT 0x000B1680
222 GLPSM2_DEBUG_FIFO_OVERFLOW_DETECT,
223#define GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT 0x000B1684
224 GLPSM2_DEBUG_FIFO_UNDERFLOW_DETECT,
225#define GLPSM2_DEBUG_MISC_HW_ERROR_DETECT 0x000B1688
226 GLPSM2_DEBUG_MISC_HW_ERROR_DETECT,
227#define GLTDPU_TCLAN_COMP_BOB(_i) (0x00049ADC + ((_i) * 4))
228 GLTDPU_TCLAN_COMP_BOB(1),
229 GLTDPU_TCLAN_COMP_BOB(2),
230 GLTDPU_TCLAN_COMP_BOB(3),
231 GLTDPU_TCLAN_COMP_BOB(4),
232 GLTDPU_TCLAN_COMP_BOB(5),
233 GLTDPU_TCLAN_COMP_BOB(6),
234 GLTDPU_TCLAN_COMP_BOB(7),
235 GLTDPU_TCLAN_COMP_BOB(8),
236#define GLTDPU_TCB_CMD_BOB(_i) (0x0004975C + ((_i) * 4))
237 GLTDPU_TCB_CMD_BOB(1),
238 GLTDPU_TCB_CMD_BOB(2),
239 GLTDPU_TCB_CMD_BOB(3),
240 GLTDPU_TCB_CMD_BOB(4),
241 GLTDPU_TCB_CMD_BOB(5),
242 GLTDPU_TCB_CMD_BOB(6),
243 GLTDPU_TCB_CMD_BOB(7),
244 GLTDPU_TCB_CMD_BOB(8),
245#define GLTDPU_PSM_UPDATE_BOB(_i) (0x00049B5C + ((_i) * 4))
246 GLTDPU_PSM_UPDATE_BOB(1),
247 GLTDPU_PSM_UPDATE_BOB(2),
248 GLTDPU_PSM_UPDATE_BOB(3),
249 GLTDPU_PSM_UPDATE_BOB(4),
250 GLTDPU_PSM_UPDATE_BOB(5),
251 GLTDPU_PSM_UPDATE_BOB(6),
252 GLTDPU_PSM_UPDATE_BOB(7),
253 GLTDPU_PSM_UPDATE_BOB(8),
254#define GLTCB_CMD_IN_BOB(_i) (0x000AE288 + ((_i) * 4))
255 GLTCB_CMD_IN_BOB(1),
256 GLTCB_CMD_IN_BOB(2),
257 GLTCB_CMD_IN_BOB(3),
258 GLTCB_CMD_IN_BOB(4),
259 GLTCB_CMD_IN_BOB(5),
260 GLTCB_CMD_IN_BOB(6),
261 GLTCB_CMD_IN_BOB(7),
262 GLTCB_CMD_IN_BOB(8),
263#define GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(_i) (0x000FC148 + ((_i) * 4))
264 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(1),
265 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(2),
266 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(3),
267 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(4),
268 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(5),
269 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(6),
270 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(7),
271 GLLAN_TCLAN_FETCH_CTL_FBK_BOB_CTL(8),
272#define GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(_i) (0x000FC248 + ((_i) * 4))
273 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(1),
274 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(2),
275 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(3),
276 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(4),
277 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(5),
278 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(6),
279 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(7),
280 GLLAN_TCLAN_FETCH_CTL_SCHED_BOB_CTL(8),
281#define GLLAN_TCLAN_CACHE_CTL_BOB_CTL(_i) (0x000FC1C8 + ((_i) * 4))
282 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(1),
283 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(2),
284 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(3),
285 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(4),
286 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(5),
287 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(6),
288 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(7),
289 GLLAN_TCLAN_CACHE_CTL_BOB_CTL(8),
290#define GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(_i) (0x000FC188 + ((_i) * 4))
291 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(1),
292 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(2),
293 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(3),
294 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(4),
295 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(5),
296 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(6),
297 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(7),
298 GLLAN_TCLAN_FETCH_CTL_PROC_BOB_CTL(8),
299#define GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(_i) (0x000FC288 + ((_i) * 4))
300 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(1),
301 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(2),
302 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(3),
303 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(4),
304 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(5),
305 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(6),
306 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(7),
307 GLLAN_TCLAN_FETCH_CTL_PCIE_RD_BOB_CTL(8),
308#define PRTDCB_TCUPM_REG_CM(_i) (0x000BC360 + ((_i) * 4))
309 PRTDCB_TCUPM_REG_CM(0),
310 PRTDCB_TCUPM_REG_CM(1),
311 PRTDCB_TCUPM_REG_CM(2),
312 PRTDCB_TCUPM_REG_CM(3),
313#define PRTDCB_TCUPM_REG_DM(_i) (0x000BC3A0 + ((_i) * 4))
314 PRTDCB_TCUPM_REG_DM(0),
315 PRTDCB_TCUPM_REG_DM(1),
316 PRTDCB_TCUPM_REG_DM(2),
317 PRTDCB_TCUPM_REG_DM(3),
318#define PRTDCB_TLPM_REG_DM(_i) (0x000A0000 + ((_i) * 4))
319 PRTDCB_TLPM_REG_DM(0),
320 PRTDCB_TLPM_REG_DM(1),
321 PRTDCB_TLPM_REG_DM(2),
322 PRTDCB_TLPM_REG_DM(3),
323};
324
325struct ice_priv_flag {
326 char name[ETH_GSTRING_LEN];
327 u32 bitno; /* bit position in pf->flags */
328};
329
330#define ICE_PRIV_FLAG(_name, _bitno) { \
331 .name = _name, \
332 .bitno = _bitno, \
333}
334
335static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
336 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
337 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
338 ICE_PRIV_FLAG("vf-true-promisc-support",
339 ICE_FLAG_VF_TRUE_PROMISC_ENA),
340 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
341 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
342 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
343};
344
345#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
346
347static void
348__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
349 struct ice_vsi *vsi)
350{
351 struct ice_pf *pf = vsi->back;
352 struct ice_hw *hw = &pf->hw;
353 struct ice_orom_info *orom;
354 struct ice_nvm_info *nvm;
355
356 nvm = &hw->flash.nvm;
357 orom = &hw->flash.orom;
358
359 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
360
361 /* Display NVM version (from which the firmware version can be
362 * determined) which contains more pertinent information.
363 */
364 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
365 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
366 nvm->eetrack, orom->major, orom->build, orom->patch);
367
368 strscpy(drvinfo->bus_info, pci_name(pf->pdev),
369 sizeof(drvinfo->bus_info));
370}
371
372static void
373ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
374{
375 struct ice_netdev_priv *np = netdev_priv(netdev);
376
377 __ice_get_drvinfo(netdev, drvinfo, np->vsi);
378 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
379}
380
381static int ice_get_regs_len(struct net_device __always_unused *netdev)
382{
383 return sizeof(ice_regs_dump_list);
384}
385
386static void
387ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
388{
389 struct ice_netdev_priv *np = netdev_priv(netdev);
390 struct ice_pf *pf = np->vsi->back;
391 struct ice_hw *hw = &pf->hw;
392 u32 *regs_buf = (u32 *)p;
393 unsigned int i;
394
395 regs->version = 1;
396
397 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
398 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
399}
400
401static u32 ice_get_msglevel(struct net_device *netdev)
402{
403 struct ice_netdev_priv *np = netdev_priv(netdev);
404 struct ice_pf *pf = np->vsi->back;
405
406#ifndef CONFIG_DYNAMIC_DEBUG
407 if (pf->hw.debug_mask)
408 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
409 pf->hw.debug_mask);
410#endif /* !CONFIG_DYNAMIC_DEBUG */
411
412 return pf->msg_enable;
413}
414
415static void ice_set_msglevel(struct net_device *netdev, u32 data)
416{
417 struct ice_netdev_priv *np = netdev_priv(netdev);
418 struct ice_pf *pf = np->vsi->back;
419
420#ifndef CONFIG_DYNAMIC_DEBUG
421 if (ICE_DBG_USER & data)
422 pf->hw.debug_mask = data;
423 else
424 pf->msg_enable = data;
425#else
426 pf->msg_enable = data;
427#endif /* !CONFIG_DYNAMIC_DEBUG */
428}
429
430static int ice_get_eeprom_len(struct net_device *netdev)
431{
432 struct ice_netdev_priv *np = netdev_priv(netdev);
433 struct ice_pf *pf = np->vsi->back;
434
435 return (int)pf->hw.flash.flash_size;
436}
437
438static int
439ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
440 u8 *bytes)
441{
442 struct ice_netdev_priv *np = netdev_priv(netdev);
443 struct ice_vsi *vsi = np->vsi;
444 struct ice_pf *pf = vsi->back;
445 struct ice_hw *hw = &pf->hw;
446 struct device *dev;
447 int ret;
448 u8 *buf;
449
450 dev = ice_pf_to_dev(pf);
451
452 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
453 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
454 eeprom->cmd, eeprom->offset, eeprom->len);
455
456 buf = kzalloc(eeprom->len, GFP_KERNEL);
457 if (!buf)
458 return -ENOMEM;
459
460 ret = ice_acquire_nvm(hw, ICE_RES_READ);
461 if (ret) {
462 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
463 ret, ice_aq_str(hw->adminq.sq_last_status));
464 goto out;
465 }
466
467 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
468 false);
469 if (ret) {
470 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
471 ret, ice_aq_str(hw->adminq.sq_last_status));
472 goto release;
473 }
474
475 memcpy(bytes, buf, eeprom->len);
476release:
477 ice_release_nvm(hw);
478out:
479 kfree(buf);
480 return ret;
481}
482
483/**
484 * ice_active_vfs - check if there are any active VFs
485 * @pf: board private structure
486 *
487 * Returns true if an active VF is found, otherwise returns false
488 */
489static bool ice_active_vfs(struct ice_pf *pf)
490{
491 bool active = false;
492 struct ice_vf *vf;
493 unsigned int bkt;
494
495 rcu_read_lock();
496 ice_for_each_vf_rcu(pf, bkt, vf) {
497 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
498 active = true;
499 break;
500 }
501 }
502 rcu_read_unlock();
503
504 return active;
505}
506
507/**
508 * ice_link_test - perform a link test on a given net_device
509 * @netdev: network interface device structure
510 *
511 * This function performs one of the self-tests required by ethtool.
512 * Returns 0 on success, non-zero on failure.
513 */
514static u64 ice_link_test(struct net_device *netdev)
515{
516 struct ice_netdev_priv *np = netdev_priv(netdev);
517 bool link_up = false;
518 int status;
519
520 netdev_info(netdev, "link test\n");
521 status = ice_get_link_status(np->vsi->port_info, &link_up);
522 if (status) {
523 netdev_err(netdev, "link query error, status = %d\n",
524 status);
525 return 1;
526 }
527
528 if (!link_up)
529 return 2;
530
531 return 0;
532}
533
534/**
535 * ice_eeprom_test - perform an EEPROM test on a given net_device
536 * @netdev: network interface device structure
537 *
538 * This function performs one of the self-tests required by ethtool.
539 * Returns 0 on success, non-zero on failure.
540 */
541static u64 ice_eeprom_test(struct net_device *netdev)
542{
543 struct ice_netdev_priv *np = netdev_priv(netdev);
544 struct ice_pf *pf = np->vsi->back;
545
546 netdev_info(netdev, "EEPROM test\n");
547 return !!(ice_nvm_validate_checksum(&pf->hw));
548}
549
550/**
551 * ice_reg_pattern_test
552 * @hw: pointer to the HW struct
553 * @reg: reg to be tested
554 * @mask: bits to be touched
555 */
556static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
557{
558 struct ice_pf *pf = (struct ice_pf *)hw->back;
559 struct device *dev = ice_pf_to_dev(pf);
560 static const u32 patterns[] = {
561 0x5A5A5A5A, 0xA5A5A5A5,
562 0x00000000, 0xFFFFFFFF
563 };
564 u32 val, orig_val;
565 unsigned int i;
566
567 orig_val = rd32(hw, reg);
568 for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
569 u32 pattern = patterns[i] & mask;
570
571 wr32(hw, reg, pattern);
572 val = rd32(hw, reg);
573 if (val == pattern)
574 continue;
575 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
576 , __func__, reg, pattern, val);
577 return 1;
578 }
579
580 wr32(hw, reg, orig_val);
581 val = rd32(hw, reg);
582 if (val != orig_val) {
583 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
584 , __func__, reg, orig_val, val);
585 return 1;
586 }
587
588 return 0;
589}
590
591/**
592 * ice_reg_test - perform a register test on a given net_device
593 * @netdev: network interface device structure
594 *
595 * This function performs one of the self-tests required by ethtool.
596 * Returns 0 on success, non-zero on failure.
597 */
598static u64 ice_reg_test(struct net_device *netdev)
599{
600 struct ice_netdev_priv *np = netdev_priv(netdev);
601 struct ice_hw *hw = np->vsi->port_info->hw;
602 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
603 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
604 struct ice_diag_reg_test_info {
605 u32 address;
606 u32 mask;
607 u32 elem_num;
608 u32 elem_size;
609 } ice_reg_list[] = {
610 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
611 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
612 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
613 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
614 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
615 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
616 {GLINT_CTL, 0xffff0001, 1, 0}
617 };
618 unsigned int i;
619
620 netdev_dbg(netdev, "Register test\n");
621 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
622 u32 j;
623
624 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
625 u32 mask = ice_reg_list[i].mask;
626 u32 reg = ice_reg_list[i].address +
627 (j * ice_reg_list[i].elem_size);
628
629 /* bail on failure (non-zero return) */
630 if (ice_reg_pattern_test(hw, reg, mask))
631 return 1;
632 }
633 }
634
635 return 0;
636}
637
638/**
639 * ice_lbtest_prepare_rings - configure Tx/Rx test rings
640 * @vsi: pointer to the VSI structure
641 *
642 * Function configures rings of a VSI for loopback test without
643 * enabling interrupts or informing the kernel about new queues.
644 *
645 * Returns 0 on success, negative on failure.
646 */
647static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
648{
649 int status;
650
651 status = ice_vsi_setup_tx_rings(vsi);
652 if (status)
653 goto err_setup_tx_ring;
654
655 status = ice_vsi_setup_rx_rings(vsi);
656 if (status)
657 goto err_setup_rx_ring;
658
659 status = ice_vsi_cfg(vsi);
660 if (status)
661 goto err_setup_rx_ring;
662
663 status = ice_vsi_start_all_rx_rings(vsi);
664 if (status)
665 goto err_start_rx_ring;
666
667 return status;
668
669err_start_rx_ring:
670 ice_vsi_free_rx_rings(vsi);
671err_setup_rx_ring:
672 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
673err_setup_tx_ring:
674 ice_vsi_free_tx_rings(vsi);
675
676 return status;
677}
678
679/**
680 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
681 * @vsi: pointer to the VSI structure
682 *
683 * Function stops and frees VSI rings after a loopback test.
684 * Returns 0 on success, negative on failure.
685 */
686static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
687{
688 int status;
689
690 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
691 if (status)
692 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
693 vsi->vsi_num, status);
694
695 status = ice_vsi_stop_all_rx_rings(vsi);
696 if (status)
697 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
698 vsi->vsi_num, status);
699
700 ice_vsi_free_tx_rings(vsi);
701 ice_vsi_free_rx_rings(vsi);
702
703 return status;
704}
705
706/**
707 * ice_lbtest_create_frame - create test packet
708 * @pf: pointer to the PF structure
709 * @ret_data: allocated frame buffer
710 * @size: size of the packet data
711 *
712 * Function allocates a frame with a test pattern on specific offsets.
713 * Returns 0 on success, non-zero on failure.
714 */
715static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
716{
717 u8 *data;
718
719 if (!pf)
720 return -EINVAL;
721
722 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
723 if (!data)
724 return -ENOMEM;
725
726 /* Since the ethernet test frame should always be at least
727 * 64 bytes long, fill some octets in the payload with test data.
728 */
729 memset(data, 0xFF, size);
730 data[32] = 0xDE;
731 data[42] = 0xAD;
732 data[44] = 0xBE;
733 data[46] = 0xEF;
734
735 *ret_data = data;
736
737 return 0;
738}
739
740/**
741 * ice_lbtest_check_frame - verify received loopback frame
742 * @frame: pointer to the raw packet data
743 *
744 * Function verifies received test frame with a pattern.
745 * Returns true if frame matches the pattern, false otherwise.
746 */
747static bool ice_lbtest_check_frame(u8 *frame)
748{
749 /* Validate bytes of a frame under offsets chosen earlier */
750 if (frame[32] == 0xDE &&
751 frame[42] == 0xAD &&
752 frame[44] == 0xBE &&
753 frame[46] == 0xEF &&
754 frame[48] == 0xFF)
755 return true;
756
757 return false;
758}
759
760/**
761 * ice_diag_send - send test frames to the test ring
762 * @tx_ring: pointer to the transmit ring
763 * @data: pointer to the raw packet data
764 * @size: size of the packet to send
765 *
766 * Function sends loopback packets on a test Tx ring.
767 */
768static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
769{
770 struct ice_tx_desc *tx_desc;
771 struct ice_tx_buf *tx_buf;
772 dma_addr_t dma;
773 u64 td_cmd;
774
775 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
776 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
777
778 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
779 if (dma_mapping_error(tx_ring->dev, dma))
780 return -EINVAL;
781
782 tx_desc->buf_addr = cpu_to_le64(dma);
783
784 /* These flags are required for a descriptor to be pushed out */
785 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
786 tx_desc->cmd_type_offset_bsz =
787 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
788 (td_cmd << ICE_TXD_QW1_CMD_S) |
789 ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
790 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
791 ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
792
793 tx_buf->next_to_watch = tx_desc;
794
795 /* Force memory write to complete before letting h/w know
796 * there are new descriptors to fetch.
797 */
798 wmb();
799
800 tx_ring->next_to_use++;
801 if (tx_ring->next_to_use >= tx_ring->count)
802 tx_ring->next_to_use = 0;
803
804 writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
805
806 /* Wait until the packets get transmitted to the receive queue. */
807 usleep_range(1000, 2000);
808 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
809
810 return 0;
811}
812
813#define ICE_LB_FRAME_SIZE 64
814/**
815 * ice_lbtest_receive_frames - receive and verify test frames
816 * @rx_ring: pointer to the receive ring
817 *
818 * Function receives loopback packets and verify their correctness.
819 * Returns number of received valid frames.
820 */
821static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
822{
823 struct ice_rx_buf *rx_buf;
824 int valid_frames, i;
825 u8 *received_buf;
826
827 valid_frames = 0;
828
829 for (i = 0; i < rx_ring->count; i++) {
830 union ice_32b_rx_flex_desc *rx_desc;
831
832 rx_desc = ICE_RX_DESC(rx_ring, i);
833
834 if (!(rx_desc->wb.status_error0 &
835 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
836 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
837 continue;
838
839 rx_buf = &rx_ring->rx_buf[i];
840 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
841
842 if (ice_lbtest_check_frame(received_buf))
843 valid_frames++;
844 }
845
846 return valid_frames;
847}
848
849/**
850 * ice_loopback_test - perform a loopback test on a given net_device
851 * @netdev: network interface device structure
852 *
853 * This function performs one of the self-tests required by ethtool.
854 * Returns 0 on success, non-zero on failure.
855 */
856static u64 ice_loopback_test(struct net_device *netdev)
857{
858 struct ice_netdev_priv *np = netdev_priv(netdev);
859 struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
860 struct ice_pf *pf = orig_vsi->back;
861 u8 broadcast[ETH_ALEN], ret = 0;
862 int num_frames, valid_frames;
863 struct ice_tx_ring *tx_ring;
864 struct ice_rx_ring *rx_ring;
865 struct device *dev;
866 u8 *tx_frame;
867 int i;
868
869 dev = ice_pf_to_dev(pf);
870 netdev_info(netdev, "loopback test\n");
871
872 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
873 if (!test_vsi) {
874 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
875 return 1;
876 }
877
878 test_vsi->netdev = netdev;
879 tx_ring = test_vsi->tx_rings[0];
880 rx_ring = test_vsi->rx_rings[0];
881
882 if (ice_lbtest_prepare_rings(test_vsi)) {
883 ret = 2;
884 goto lbtest_vsi_close;
885 }
886
887 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
888 ret = 3;
889 goto lbtest_rings_dis;
890 }
891
892 /* Enable MAC loopback in firmware */
893 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
894 ret = 4;
895 goto lbtest_mac_dis;
896 }
897
898 /* Test VSI needs to receive broadcast packets */
899 eth_broadcast_addr(broadcast);
900 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
901 ret = 5;
902 goto lbtest_mac_dis;
903 }
904
905 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
906 ret = 7;
907 goto remove_mac_filters;
908 }
909
910 num_frames = min_t(int, tx_ring->count, 32);
911 for (i = 0; i < num_frames; i++) {
912 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
913 ret = 8;
914 goto lbtest_free_frame;
915 }
916 }
917
918 valid_frames = ice_lbtest_receive_frames(rx_ring);
919 if (!valid_frames)
920 ret = 9;
921 else if (valid_frames != num_frames)
922 ret = 10;
923
924lbtest_free_frame:
925 devm_kfree(dev, tx_frame);
926remove_mac_filters:
927 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
928 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
929lbtest_mac_dis:
930 /* Disable MAC loopback after the test is completed. */
931 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
932 netdev_err(netdev, "Could not disable MAC loopback\n");
933lbtest_rings_dis:
934 if (ice_lbtest_disable_rings(test_vsi))
935 netdev_err(netdev, "Could not disable test rings\n");
936lbtest_vsi_close:
937 test_vsi->netdev = NULL;
938 if (ice_vsi_release(test_vsi))
939 netdev_err(netdev, "Failed to remove the test VSI\n");
940
941 return ret;
942}
943
944/**
945 * ice_intr_test - perform an interrupt test on a given net_device
946 * @netdev: network interface device structure
947 *
948 * This function performs one of the self-tests required by ethtool.
949 * Returns 0 on success, non-zero on failure.
950 */
951static u64 ice_intr_test(struct net_device *netdev)
952{
953 struct ice_netdev_priv *np = netdev_priv(netdev);
954 struct ice_pf *pf = np->vsi->back;
955 u16 swic_old = pf->sw_int_count;
956
957 netdev_info(netdev, "interrupt test\n");
958
959 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
960 GLINT_DYN_CTL_SW_ITR_INDX_M |
961 GLINT_DYN_CTL_INTENA_MSK_M |
962 GLINT_DYN_CTL_SWINT_TRIG_M);
963
964 usleep_range(1000, 2000);
965 return (swic_old == pf->sw_int_count);
966}
967
968/**
969 * ice_self_test - handler function for performing a self-test by ethtool
970 * @netdev: network interface device structure
971 * @eth_test: ethtool_test structure
972 * @data: required by ethtool.self_test
973 *
974 * This function is called after invoking 'ethtool -t devname' command where
975 * devname is the name of the network device on which ethtool should operate.
976 * It performs a set of self-tests to check if a device works properly.
977 */
978static void
979ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
980 u64 *data)
981{
982 struct ice_netdev_priv *np = netdev_priv(netdev);
983 bool if_running = netif_running(netdev);
984 struct ice_pf *pf = np->vsi->back;
985 struct device *dev;
986
987 dev = ice_pf_to_dev(pf);
988
989 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
990 netdev_info(netdev, "offline testing starting\n");
991
992 set_bit(ICE_TESTING, pf->state);
993
994 if (ice_active_vfs(pf)) {
995 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
996 data[ICE_ETH_TEST_REG] = 1;
997 data[ICE_ETH_TEST_EEPROM] = 1;
998 data[ICE_ETH_TEST_INTR] = 1;
999 data[ICE_ETH_TEST_LOOP] = 1;
1000 data[ICE_ETH_TEST_LINK] = 1;
1001 eth_test->flags |= ETH_TEST_FL_FAILED;
1002 clear_bit(ICE_TESTING, pf->state);
1003 goto skip_ol_tests;
1004 }
1005 /* If the device is online then take it offline */
1006 if (if_running)
1007 /* indicate we're in test mode */
1008 ice_stop(netdev);
1009
1010 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1011 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
1012 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
1013 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
1014 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
1015
1016 if (data[ICE_ETH_TEST_LINK] ||
1017 data[ICE_ETH_TEST_EEPROM] ||
1018 data[ICE_ETH_TEST_LOOP] ||
1019 data[ICE_ETH_TEST_INTR] ||
1020 data[ICE_ETH_TEST_REG])
1021 eth_test->flags |= ETH_TEST_FL_FAILED;
1022
1023 clear_bit(ICE_TESTING, pf->state);
1024
1025 if (if_running) {
1026 int status = ice_open(netdev);
1027
1028 if (status) {
1029 dev_err(dev, "Could not open device %s, err %d\n",
1030 pf->int_name, status);
1031 }
1032 }
1033 } else {
1034 /* Online tests */
1035 netdev_info(netdev, "online testing starting\n");
1036
1037 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
1038 if (data[ICE_ETH_TEST_LINK])
1039 eth_test->flags |= ETH_TEST_FL_FAILED;
1040
1041 /* Offline only tests, not run in online; pass by default */
1042 data[ICE_ETH_TEST_REG] = 0;
1043 data[ICE_ETH_TEST_EEPROM] = 0;
1044 data[ICE_ETH_TEST_INTR] = 0;
1045 data[ICE_ETH_TEST_LOOP] = 0;
1046 }
1047
1048skip_ol_tests:
1049 netdev_info(netdev, "testing finished\n");
1050}
1051
1052static void
1053__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
1054 struct ice_vsi *vsi)
1055{
1056 unsigned int i;
1057 u8 *p = data;
1058
1059 switch (stringset) {
1060 case ETH_SS_STATS:
1061 for (i = 0; i < ICE_VSI_STATS_LEN; i++)
1062 ethtool_sprintf(&p,
1063 ice_gstrings_vsi_stats[i].stat_string);
1064
1065 if (ice_is_port_repr_netdev(netdev))
1066 return;
1067
1068 ice_for_each_alloc_txq(vsi, i) {
1069 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1070 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1071 }
1072
1073 ice_for_each_alloc_rxq(vsi, i) {
1074 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1075 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1076 }
1077
1078 if (vsi->type != ICE_VSI_PF)
1079 return;
1080
1081 for (i = 0; i < ICE_PF_STATS_LEN; i++)
1082 ethtool_sprintf(&p,
1083 ice_gstrings_pf_stats[i].stat_string);
1084
1085 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1086 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
1087 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
1088 }
1089 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
1090 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
1091 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
1092 }
1093 break;
1094 case ETH_SS_TEST:
1095 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
1096 break;
1097 case ETH_SS_PRIV_FLAGS:
1098 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
1099 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
1100 break;
1101 default:
1102 break;
1103 }
1104}
1105
1106static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
1107{
1108 struct ice_netdev_priv *np = netdev_priv(netdev);
1109
1110 __ice_get_strings(netdev, stringset, data, np->vsi);
1111}
1112
1113static int
1114ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
1115{
1116 struct ice_netdev_priv *np = netdev_priv(netdev);
1117 bool led_active;
1118
1119 switch (state) {
1120 case ETHTOOL_ID_ACTIVE:
1121 led_active = true;
1122 break;
1123 case ETHTOOL_ID_INACTIVE:
1124 led_active = false;
1125 break;
1126 default:
1127 return -EINVAL;
1128 }
1129
1130 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
1131 return -EIO;
1132
1133 return 0;
1134}
1135
1136/**
1137 * ice_set_fec_cfg - Set link FEC options
1138 * @netdev: network interface device structure
1139 * @req_fec: FEC mode to configure
1140 */
1141static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
1142{
1143 struct ice_netdev_priv *np = netdev_priv(netdev);
1144 struct ice_aqc_set_phy_cfg_data config = { 0 };
1145 struct ice_vsi *vsi = np->vsi;
1146 struct ice_port_info *pi;
1147
1148 pi = vsi->port_info;
1149 if (!pi)
1150 return -EOPNOTSUPP;
1151
1152 /* Changing the FEC parameters is not supported if not the PF VSI */
1153 if (vsi->type != ICE_VSI_PF) {
1154 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
1155 return -EOPNOTSUPP;
1156 }
1157
1158 /* Proceed only if requesting different FEC mode */
1159 if (pi->phy.curr_user_fec_req == req_fec)
1160 return 0;
1161
1162 /* Copy the current user PHY configuration. The current user PHY
1163 * configuration is initialized during probe from PHY capabilities
1164 * software mode, and updated on set PHY configuration.
1165 */
1166 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
1167
1168 ice_cfg_phy_fec(pi, &config, req_fec);
1169 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1170
1171 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1172 return -EAGAIN;
1173
1174 /* Save requested FEC config */
1175 pi->phy.curr_user_fec_req = req_fec;
1176
1177 return 0;
1178}
1179
1180/**
1181 * ice_set_fecparam - Set FEC link options
1182 * @netdev: network interface device structure
1183 * @fecparam: Ethtool structure to retrieve FEC parameters
1184 */
1185static int
1186ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1187{
1188 struct ice_netdev_priv *np = netdev_priv(netdev);
1189 struct ice_vsi *vsi = np->vsi;
1190 enum ice_fec_mode fec;
1191
1192 switch (fecparam->fec) {
1193 case ETHTOOL_FEC_AUTO:
1194 fec = ICE_FEC_AUTO;
1195 break;
1196 case ETHTOOL_FEC_RS:
1197 fec = ICE_FEC_RS;
1198 break;
1199 case ETHTOOL_FEC_BASER:
1200 fec = ICE_FEC_BASER;
1201 break;
1202 case ETHTOOL_FEC_OFF:
1203 case ETHTOOL_FEC_NONE:
1204 fec = ICE_FEC_NONE;
1205 break;
1206 default:
1207 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1208 fecparam->fec);
1209 return -EINVAL;
1210 }
1211
1212 return ice_set_fec_cfg(netdev, fec);
1213}
1214
1215/**
1216 * ice_get_fecparam - Get link FEC options
1217 * @netdev: network interface device structure
1218 * @fecparam: Ethtool structure to retrieve FEC parameters
1219 */
1220static int
1221ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1222{
1223 struct ice_netdev_priv *np = netdev_priv(netdev);
1224 struct ice_aqc_get_phy_caps_data *caps;
1225 struct ice_link_status *link_info;
1226 struct ice_vsi *vsi = np->vsi;
1227 struct ice_port_info *pi;
1228 int err;
1229
1230 pi = vsi->port_info;
1231
1232 if (!pi)
1233 return -EOPNOTSUPP;
1234 link_info = &pi->phy.link_info;
1235
1236 /* Set FEC mode based on negotiated link info */
1237 switch (link_info->fec_info) {
1238 case ICE_AQ_LINK_25G_KR_FEC_EN:
1239 fecparam->active_fec = ETHTOOL_FEC_BASER;
1240 break;
1241 case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1242 case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1243 fecparam->active_fec = ETHTOOL_FEC_RS;
1244 break;
1245 default:
1246 fecparam->active_fec = ETHTOOL_FEC_OFF;
1247 break;
1248 }
1249
1250 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1251 if (!caps)
1252 return -ENOMEM;
1253
1254 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
1255 caps, NULL);
1256 if (err)
1257 goto done;
1258
1259 /* Set supported/configured FEC modes based on PHY capability */
1260 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1261 fecparam->fec |= ETHTOOL_FEC_AUTO;
1262 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1263 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1264 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1265 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1266 fecparam->fec |= ETHTOOL_FEC_BASER;
1267 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1268 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1269 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1270 fecparam->fec |= ETHTOOL_FEC_RS;
1271 if (caps->link_fec_options == 0)
1272 fecparam->fec |= ETHTOOL_FEC_OFF;
1273
1274done:
1275 kfree(caps);
1276 return err;
1277}
1278
1279/**
1280 * ice_nway_reset - restart autonegotiation
1281 * @netdev: network interface device structure
1282 */
1283static int ice_nway_reset(struct net_device *netdev)
1284{
1285 struct ice_netdev_priv *np = netdev_priv(netdev);
1286 struct ice_vsi *vsi = np->vsi;
1287 int err;
1288
1289 /* If VSI state is up, then restart autoneg with link up */
1290 if (!test_bit(ICE_DOWN, vsi->back->state))
1291 err = ice_set_link(vsi, true);
1292 else
1293 err = ice_set_link(vsi, false);
1294
1295 return err;
1296}
1297
1298/**
1299 * ice_get_priv_flags - report device private flags
1300 * @netdev: network interface device structure
1301 *
1302 * The get string set count and the string set should be matched for each
1303 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
1304 * array.
1305 *
1306 * Returns a u32 bitmap of flags.
1307 */
1308static u32 ice_get_priv_flags(struct net_device *netdev)
1309{
1310 struct ice_netdev_priv *np = netdev_priv(netdev);
1311 struct ice_vsi *vsi = np->vsi;
1312 struct ice_pf *pf = vsi->back;
1313 u32 i, ret_flags = 0;
1314
1315 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1316 const struct ice_priv_flag *priv_flag;
1317
1318 priv_flag = &ice_gstrings_priv_flags[i];
1319
1320 if (test_bit(priv_flag->bitno, pf->flags))
1321 ret_flags |= BIT(i);
1322 }
1323
1324 return ret_flags;
1325}
1326
1327/**
1328 * ice_set_priv_flags - set private flags
1329 * @netdev: network interface device structure
1330 * @flags: bit flags to be set
1331 */
1332static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1333{
1334 struct ice_netdev_priv *np = netdev_priv(netdev);
1335 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1336 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1337 struct ice_vsi *vsi = np->vsi;
1338 struct ice_pf *pf = vsi->back;
1339 struct device *dev;
1340 int ret = 0;
1341 u32 i;
1342
1343 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1344 return -EINVAL;
1345
1346 dev = ice_pf_to_dev(pf);
1347 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1348
1349 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1350 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1351 const struct ice_priv_flag *priv_flag;
1352
1353 priv_flag = &ice_gstrings_priv_flags[i];
1354
1355 if (flags & BIT(i))
1356 set_bit(priv_flag->bitno, pf->flags);
1357 else
1358 clear_bit(priv_flag->bitno, pf->flags);
1359 }
1360
1361 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1362
1363 /* Do not allow change to link-down-on-close when Total Port Shutdown
1364 * is enabled.
1365 */
1366 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1367 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1368 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1369 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1370 ret = -EINVAL;
1371 goto ethtool_exit;
1372 }
1373
1374 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1375 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1376 int status;
1377
1378 /* Disable FW LLDP engine */
1379 status = ice_cfg_lldp_mib_change(&pf->hw, false);
1380
1381 /* If unregistering for LLDP events fails, this is
1382 * not an error state, as there shouldn't be any
1383 * events to respond to.
1384 */
1385 if (status)
1386 dev_info(dev, "Failed to unreg for LLDP events\n");
1387
1388 /* The AQ call to stop the FW LLDP agent will generate
1389 * an error if the agent is already stopped.
1390 */
1391 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1392 if (status)
1393 dev_warn(dev, "Fail to stop LLDP agent\n");
1394 /* Use case for having the FW LLDP agent stopped
1395 * will likely not need DCB, so failure to init is
1396 * not a concern of ethtool
1397 */
1398 status = ice_init_pf_dcb(pf, true);
1399 if (status)
1400 dev_warn(dev, "Fail to init DCB\n");
1401
1402 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
1403 pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
1404 } else {
1405 bool dcbx_agent_status;
1406 int status;
1407
1408 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
1409 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
1410 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
1411 ret = -EOPNOTSUPP;
1412 goto ethtool_exit;
1413 }
1414
1415 /* Remove rule to direct LLDP packets to default VSI.
1416 * The FW LLDP engine will now be consuming them.
1417 */
1418 ice_cfg_sw_lldp(vsi, false, false);
1419
1420 /* AQ command to start FW LLDP agent will return an
1421 * error if the agent is already started
1422 */
1423 status = ice_aq_start_lldp(&pf->hw, true, NULL);
1424 if (status)
1425 dev_warn(dev, "Fail to start LLDP Agent\n");
1426
1427 /* AQ command to start FW DCBX agent will fail if
1428 * the agent is already started
1429 */
1430 status = ice_aq_start_stop_dcbx(&pf->hw, true,
1431 &dcbx_agent_status,
1432 NULL);
1433 if (status)
1434 dev_dbg(dev, "Failed to start FW DCBX\n");
1435
1436 dev_info(dev, "FW DCBX agent is %s\n",
1437 dcbx_agent_status ? "ACTIVE" : "DISABLED");
1438
1439 /* Failure to configure MIB change or init DCB is not
1440 * relevant to ethtool. Print notification that
1441 * registration/init failed but do not return error
1442 * state to ethtool
1443 */
1444 status = ice_init_pf_dcb(pf, true);
1445 if (status)
1446 dev_dbg(dev, "Fail to init DCB\n");
1447
1448 /* Register for MIB change events */
1449 status = ice_cfg_lldp_mib_change(&pf->hw, true);
1450 if (status)
1451 dev_dbg(dev, "Fail to enable MIB change events\n");
1452
1453 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
1454 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
1455
1456 ice_nway_reset(netdev);
1457 }
1458 }
1459 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1460 /* down and up VSI so that changes of Rx cfg are reflected. */
1461 ice_down_up(vsi);
1462 }
1463 /* don't allow modification of this flag when a single VF is in
1464 * promiscuous mode because it's not supported
1465 */
1466 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1467 ice_is_any_vf_in_unicast_promisc(pf)) {
1468 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1469 /* toggle bit back to previous state */
1470 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1471 ret = -EAGAIN;
1472 }
1473
1474 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
1475 ice_has_vfs(pf)) {
1476 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
1477 /* toggle bit back to previous state */
1478 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
1479 ret = -EOPNOTSUPP;
1480 }
1481ethtool_exit:
1482 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1483 return ret;
1484}
1485
1486static int ice_get_sset_count(struct net_device *netdev, int sset)
1487{
1488 switch (sset) {
1489 case ETH_SS_STATS:
1490 /* The number (and order) of strings reported *must* remain
1491 * constant for a given netdevice. This function must not
1492 * report a different number based on run time parameters
1493 * (such as the number of queues in use, or the setting of
1494 * a private ethtool flag). This is due to the nature of the
1495 * ethtool stats API.
1496 *
1497 * Userspace programs such as ethtool must make 3 separate
1498 * ioctl requests, one for size, one for the strings, and
1499 * finally one for the stats. Since these cross into
1500 * userspace, changes to the number or size could result in
1501 * undefined memory access or incorrect string<->value
1502 * correlations for statistics.
1503 *
1504 * Even if it appears to be safe, changes to the size or
1505 * order of strings will suffer from race conditions and are
1506 * not safe.
1507 */
1508 return ICE_ALL_STATS_LEN(netdev);
1509 case ETH_SS_TEST:
1510 return ICE_TEST_LEN;
1511 case ETH_SS_PRIV_FLAGS:
1512 return ICE_PRIV_FLAG_ARRAY_SIZE;
1513 default:
1514 return -EOPNOTSUPP;
1515 }
1516}
1517
1518static void
1519__ice_get_ethtool_stats(struct net_device *netdev,
1520 struct ethtool_stats __always_unused *stats, u64 *data,
1521 struct ice_vsi *vsi)
1522{
1523 struct ice_pf *pf = vsi->back;
1524 struct ice_tx_ring *tx_ring;
1525 struct ice_rx_ring *rx_ring;
1526 unsigned int j;
1527 int i = 0;
1528 char *p;
1529
1530 ice_update_pf_stats(pf);
1531 ice_update_vsi_stats(vsi);
1532
1533 for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1534 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1535 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1536 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1537 }
1538
1539 if (ice_is_port_repr_netdev(netdev))
1540 return;
1541
1542 /* populate per queue stats */
1543 rcu_read_lock();
1544
1545 ice_for_each_alloc_txq(vsi, j) {
1546 tx_ring = READ_ONCE(vsi->tx_rings[j]);
1547 if (tx_ring && tx_ring->ring_stats) {
1548 data[i++] = tx_ring->ring_stats->stats.pkts;
1549 data[i++] = tx_ring->ring_stats->stats.bytes;
1550 } else {
1551 data[i++] = 0;
1552 data[i++] = 0;
1553 }
1554 }
1555
1556 ice_for_each_alloc_rxq(vsi, j) {
1557 rx_ring = READ_ONCE(vsi->rx_rings[j]);
1558 if (rx_ring && rx_ring->ring_stats) {
1559 data[i++] = rx_ring->ring_stats->stats.pkts;
1560 data[i++] = rx_ring->ring_stats->stats.bytes;
1561 } else {
1562 data[i++] = 0;
1563 data[i++] = 0;
1564 }
1565 }
1566
1567 rcu_read_unlock();
1568
1569 if (vsi->type != ICE_VSI_PF)
1570 return;
1571
1572 for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1573 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1574 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1575 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1576 }
1577
1578 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1579 data[i++] = pf->stats.priority_xon_tx[j];
1580 data[i++] = pf->stats.priority_xoff_tx[j];
1581 }
1582
1583 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1584 data[i++] = pf->stats.priority_xon_rx[j];
1585 data[i++] = pf->stats.priority_xoff_rx[j];
1586 }
1587}
1588
1589static void
1590ice_get_ethtool_stats(struct net_device *netdev,
1591 struct ethtool_stats __always_unused *stats, u64 *data)
1592{
1593 struct ice_netdev_priv *np = netdev_priv(netdev);
1594
1595 __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
1596}
1597
1598#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
1599 ICE_PHY_TYPE_LOW_100M_SGMII)
1600
1601#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1602 ICE_PHY_TYPE_LOW_1000BASE_T | \
1603 ICE_PHY_TYPE_LOW_1000BASE_SX | \
1604 ICE_PHY_TYPE_LOW_1000BASE_LX | \
1605 ICE_PHY_TYPE_LOW_1000BASE_KX | \
1606 ICE_PHY_TYPE_LOW_1G_SGMII | \
1607 ICE_PHY_TYPE_LOW_2500BASE_T | \
1608 ICE_PHY_TYPE_LOW_2500BASE_X | \
1609 ICE_PHY_TYPE_LOW_2500BASE_KX | \
1610 ICE_PHY_TYPE_LOW_5GBASE_T | \
1611 ICE_PHY_TYPE_LOW_5GBASE_KR | \
1612 ICE_PHY_TYPE_LOW_10GBASE_T | \
1613 ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1614 ICE_PHY_TYPE_LOW_10GBASE_SR | \
1615 ICE_PHY_TYPE_LOW_10GBASE_LR | \
1616 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1617 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1618 ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1619
1620#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1621 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1622 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1623 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1624 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1625 ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1626 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1627 ICE_PHY_TYPE_LOW_100G_AUI4 | \
1628 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1629 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1630 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1631 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1632 ICE_PHY_TYPE_LOW_100GBASE_DR)
1633
1634#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1635 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1636 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1637 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1638 ICE_PHY_TYPE_HIGH_100G_AUI2)
1639
1640/**
1641 * ice_mask_min_supported_speeds
1642 * @hw: pointer to the HW structure
1643 * @phy_types_high: PHY type high
1644 * @phy_types_low: PHY type low to apply minimum supported speeds mask
1645 *
1646 * Apply minimum supported speeds mask to PHY type low. These are the speeds
1647 * for ethtool supported link mode.
1648 */
1649static void
1650ice_mask_min_supported_speeds(struct ice_hw *hw,
1651 u64 phy_types_high, u64 *phy_types_low)
1652{
1653 /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1654 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
1655 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
1656 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1657 else if (!ice_is_100m_speed_supported(hw))
1658 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1659}
1660
1661#define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \
1662 do { \
1663 if (req_speeds & (aq_link_speed) || \
1664 (!req_speeds && \
1665 (advert_phy_type_lo & phy_type_mask_lo || \
1666 advert_phy_type_hi & phy_type_mask_hi))) \
1667 ethtool_link_ksettings_add_link_mode(ks, advertising,\
1668 ethtool_link_mode); \
1669 } while (0)
1670
1671/**
1672 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1673 * @netdev: network interface device structure
1674 * @ks: ethtool link ksettings struct to fill out
1675 */
1676static void
1677ice_phy_type_to_ethtool(struct net_device *netdev,
1678 struct ethtool_link_ksettings *ks)
1679{
1680 struct ice_netdev_priv *np = netdev_priv(netdev);
1681 struct ice_vsi *vsi = np->vsi;
1682 struct ice_pf *pf = vsi->back;
1683 u64 advert_phy_type_lo = 0;
1684 u64 advert_phy_type_hi = 0;
1685 u64 phy_type_mask_lo = 0;
1686 u64 phy_type_mask_hi = 0;
1687 u64 phy_types_high = 0;
1688 u64 phy_types_low = 0;
1689 u16 req_speeds;
1690
1691 req_speeds = vsi->port_info->phy.link_info.req_speeds;
1692
1693 /* Check if lenient mode is supported and enabled, or in strict mode.
1694 *
1695 * In lenient mode the Supported link modes are the PHY types without
1696 * media. The Advertising link mode is either 1. the user requested
1697 * speed, 2. the override PHY mask, or 3. the PHY types with media.
1698 *
1699 * In strict mode Supported link mode are the PHY type with media,
1700 * and Advertising link modes are the media PHY type or the speed
1701 * requested by user.
1702 */
1703 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1704 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1705 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1706
1707 ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
1708 &phy_types_low);
1709 /* determine advertised modes based on link override only
1710 * if it's supported and if the FW doesn't abstract the
1711 * driver from having to account for link overrides
1712 */
1713 if (ice_fw_supports_link_override(&pf->hw) &&
1714 !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
1715 struct ice_link_default_override_tlv *ldo;
1716
1717 ldo = &pf->link_dflt_override;
1718 /* If override enabled and PHY mask set, then
1719 * Advertising link mode is the intersection of the PHY
1720 * types without media and the override PHY mask.
1721 */
1722 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1723 (ldo->phy_type_low || ldo->phy_type_high)) {
1724 advert_phy_type_lo =
1725 le64_to_cpu(pf->nvm_phy_type_lo) &
1726 ldo->phy_type_low;
1727 advert_phy_type_hi =
1728 le64_to_cpu(pf->nvm_phy_type_hi) &
1729 ldo->phy_type_high;
1730 }
1731 }
1732 } else {
1733 /* strict mode */
1734 phy_types_low = vsi->port_info->phy.phy_type_low;
1735 phy_types_high = vsi->port_info->phy.phy_type_high;
1736 }
1737
1738 /* If Advertising link mode PHY type is not using override PHY type,
1739 * then use PHY type with media.
1740 */
1741 if (!advert_phy_type_lo && !advert_phy_type_hi) {
1742 advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
1743 advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
1744 }
1745
1746 ethtool_link_ksettings_zero_link_mode(ks, supported);
1747 ethtool_link_ksettings_zero_link_mode(ks, advertising);
1748
1749 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
1750 ICE_PHY_TYPE_LOW_100M_SGMII;
1751 if (phy_types_low & phy_type_mask_lo) {
1752 ethtool_link_ksettings_add_link_mode(ks, supported,
1753 100baseT_Full);
1754
1755 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
1756 100baseT_Full);
1757 }
1758
1759 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
1760 ICE_PHY_TYPE_LOW_1G_SGMII;
1761 if (phy_types_low & phy_type_mask_lo) {
1762 ethtool_link_ksettings_add_link_mode(ks, supported,
1763 1000baseT_Full);
1764 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1765 1000baseT_Full);
1766 }
1767
1768 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
1769 if (phy_types_low & phy_type_mask_lo) {
1770 ethtool_link_ksettings_add_link_mode(ks, supported,
1771 1000baseKX_Full);
1772 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1773 1000baseKX_Full);
1774 }
1775
1776 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
1777 ICE_PHY_TYPE_LOW_1000BASE_LX;
1778 if (phy_types_low & phy_type_mask_lo) {
1779 ethtool_link_ksettings_add_link_mode(ks, supported,
1780 1000baseX_Full);
1781 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1782 1000baseX_Full);
1783 }
1784
1785 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
1786 if (phy_types_low & phy_type_mask_lo) {
1787 ethtool_link_ksettings_add_link_mode(ks, supported,
1788 2500baseT_Full);
1789 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1790 2500baseT_Full);
1791 }
1792
1793 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
1794 ICE_PHY_TYPE_LOW_2500BASE_KX;
1795 if (phy_types_low & phy_type_mask_lo) {
1796 ethtool_link_ksettings_add_link_mode(ks, supported,
1797 2500baseX_Full);
1798 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1799 2500baseX_Full);
1800 }
1801
1802 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
1803 ICE_PHY_TYPE_LOW_5GBASE_KR;
1804 if (phy_types_low & phy_type_mask_lo) {
1805 ethtool_link_ksettings_add_link_mode(ks, supported,
1806 5000baseT_Full);
1807 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
1808 5000baseT_Full);
1809 }
1810
1811 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
1812 ICE_PHY_TYPE_LOW_10G_SFI_DA |
1813 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
1814 ICE_PHY_TYPE_LOW_10G_SFI_C2C;
1815 if (phy_types_low & phy_type_mask_lo) {
1816 ethtool_link_ksettings_add_link_mode(ks, supported,
1817 10000baseT_Full);
1818 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1819 10000baseT_Full);
1820 }
1821
1822 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
1823 if (phy_types_low & phy_type_mask_lo) {
1824 ethtool_link_ksettings_add_link_mode(ks, supported,
1825 10000baseKR_Full);
1826 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1827 10000baseKR_Full);
1828 }
1829
1830 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
1831 if (phy_types_low & phy_type_mask_lo) {
1832 ethtool_link_ksettings_add_link_mode(ks, supported,
1833 10000baseSR_Full);
1834 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1835 10000baseSR_Full);
1836 }
1837
1838 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
1839 if (phy_types_low & phy_type_mask_lo) {
1840 ethtool_link_ksettings_add_link_mode(ks, supported,
1841 10000baseLR_Full);
1842 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1843 10000baseLR_Full);
1844 }
1845
1846 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
1847 ICE_PHY_TYPE_LOW_25GBASE_CR |
1848 ICE_PHY_TYPE_LOW_25GBASE_CR_S |
1849 ICE_PHY_TYPE_LOW_25GBASE_CR1 |
1850 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
1851 ICE_PHY_TYPE_LOW_25G_AUI_C2C;
1852 if (phy_types_low & phy_type_mask_lo) {
1853 ethtool_link_ksettings_add_link_mode(ks, supported,
1854 25000baseCR_Full);
1855 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1856 25000baseCR_Full);
1857 }
1858
1859 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
1860 ICE_PHY_TYPE_LOW_25GBASE_LR;
1861 if (phy_types_low & phy_type_mask_lo) {
1862 ethtool_link_ksettings_add_link_mode(ks, supported,
1863 25000baseSR_Full);
1864 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1865 25000baseSR_Full);
1866 }
1867
1868 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
1869 ICE_PHY_TYPE_LOW_25GBASE_KR_S |
1870 ICE_PHY_TYPE_LOW_25GBASE_KR1;
1871 if (phy_types_low & phy_type_mask_lo) {
1872 ethtool_link_ksettings_add_link_mode(ks, supported,
1873 25000baseKR_Full);
1874 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1875 25000baseKR_Full);
1876 }
1877
1878 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
1879 if (phy_types_low & phy_type_mask_lo) {
1880 ethtool_link_ksettings_add_link_mode(ks, supported,
1881 40000baseKR4_Full);
1882 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1883 40000baseKR4_Full);
1884 }
1885
1886 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
1887 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
1888 ICE_PHY_TYPE_LOW_40G_XLAUI;
1889 if (phy_types_low & phy_type_mask_lo) {
1890 ethtool_link_ksettings_add_link_mode(ks, supported,
1891 40000baseCR4_Full);
1892 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1893 40000baseCR4_Full);
1894 }
1895
1896 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
1897 if (phy_types_low & phy_type_mask_lo) {
1898 ethtool_link_ksettings_add_link_mode(ks, supported,
1899 40000baseSR4_Full);
1900 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1901 40000baseSR4_Full);
1902 }
1903
1904 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
1905 if (phy_types_low & phy_type_mask_lo) {
1906 ethtool_link_ksettings_add_link_mode(ks, supported,
1907 40000baseLR4_Full);
1908 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1909 40000baseLR4_Full);
1910 }
1911
1912 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
1913 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
1914 ICE_PHY_TYPE_LOW_50G_LAUI2 |
1915 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
1916 ICE_PHY_TYPE_LOW_50G_AUI2 |
1917 ICE_PHY_TYPE_LOW_50GBASE_CP |
1918 ICE_PHY_TYPE_LOW_50GBASE_SR |
1919 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
1920 ICE_PHY_TYPE_LOW_50G_AUI1;
1921 if (phy_types_low & phy_type_mask_lo) {
1922 ethtool_link_ksettings_add_link_mode(ks, supported,
1923 50000baseCR2_Full);
1924 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1925 50000baseCR2_Full);
1926 }
1927
1928 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
1929 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
1930 if (phy_types_low & phy_type_mask_lo) {
1931 ethtool_link_ksettings_add_link_mode(ks, supported,
1932 50000baseKR2_Full);
1933 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1934 50000baseKR2_Full);
1935 }
1936
1937 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
1938 ICE_PHY_TYPE_LOW_50GBASE_LR2 |
1939 ICE_PHY_TYPE_LOW_50GBASE_FR |
1940 ICE_PHY_TYPE_LOW_50GBASE_LR;
1941 if (phy_types_low & phy_type_mask_lo) {
1942 ethtool_link_ksettings_add_link_mode(ks, supported,
1943 50000baseSR2_Full);
1944 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1945 50000baseSR2_Full);
1946 }
1947
1948 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
1949 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
1950 ICE_PHY_TYPE_LOW_100G_CAUI4 |
1951 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
1952 ICE_PHY_TYPE_LOW_100G_AUI4 |
1953 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
1954 ICE_PHY_TYPE_LOW_100GBASE_CP2;
1955 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
1956 ICE_PHY_TYPE_HIGH_100G_CAUI2 |
1957 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
1958 ICE_PHY_TYPE_HIGH_100G_AUI2;
1959 if (phy_types_low & phy_type_mask_lo ||
1960 phy_types_high & phy_type_mask_hi) {
1961 ethtool_link_ksettings_add_link_mode(ks, supported,
1962 100000baseCR4_Full);
1963 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1964 100000baseCR4_Full);
1965 }
1966
1967 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
1968 ICE_PHY_TYPE_LOW_100GBASE_SR2;
1969 if (phy_types_low & phy_type_mask_lo) {
1970 ethtool_link_ksettings_add_link_mode(ks, supported,
1971 100000baseSR4_Full);
1972 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1973 100000baseSR4_Full);
1974 }
1975
1976 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
1977 ICE_PHY_TYPE_LOW_100GBASE_DR;
1978 if (phy_types_low & phy_type_mask_lo) {
1979 ethtool_link_ksettings_add_link_mode(ks, supported,
1980 100000baseLR4_ER4_Full);
1981 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1982 100000baseLR4_ER4_Full);
1983 }
1984
1985 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
1986 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
1987 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
1988 if (phy_types_low & phy_type_mask_lo ||
1989 phy_types_high & phy_type_mask_hi) {
1990 ethtool_link_ksettings_add_link_mode(ks, supported,
1991 100000baseKR4_Full);
1992 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1993 100000baseKR4_Full);
1994 }
1995}
1996
1997#define TEST_SET_BITS_TIMEOUT 50
1998#define TEST_SET_BITS_SLEEP_MAX 2000
1999#define TEST_SET_BITS_SLEEP_MIN 1000
2000
2001/**
2002 * ice_get_settings_link_up - Get Link settings for when link is up
2003 * @ks: ethtool ksettings to fill in
2004 * @netdev: network interface device structure
2005 */
2006static void
2007ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
2008 struct net_device *netdev)
2009{
2010 struct ice_netdev_priv *np = netdev_priv(netdev);
2011 struct ice_port_info *pi = np->vsi->port_info;
2012 struct ice_link_status *link_info;
2013 struct ice_vsi *vsi = np->vsi;
2014
2015 link_info = &vsi->port_info->phy.link_info;
2016
2017 /* Get supported and advertised settings from PHY ability with media */
2018 ice_phy_type_to_ethtool(netdev, ks);
2019
2020 switch (link_info->link_speed) {
2021 case ICE_AQ_LINK_SPEED_100GB:
2022 ks->base.speed = SPEED_100000;
2023 break;
2024 case ICE_AQ_LINK_SPEED_50GB:
2025 ks->base.speed = SPEED_50000;
2026 break;
2027 case ICE_AQ_LINK_SPEED_40GB:
2028 ks->base.speed = SPEED_40000;
2029 break;
2030 case ICE_AQ_LINK_SPEED_25GB:
2031 ks->base.speed = SPEED_25000;
2032 break;
2033 case ICE_AQ_LINK_SPEED_20GB:
2034 ks->base.speed = SPEED_20000;
2035 break;
2036 case ICE_AQ_LINK_SPEED_10GB:
2037 ks->base.speed = SPEED_10000;
2038 break;
2039 case ICE_AQ_LINK_SPEED_5GB:
2040 ks->base.speed = SPEED_5000;
2041 break;
2042 case ICE_AQ_LINK_SPEED_2500MB:
2043 ks->base.speed = SPEED_2500;
2044 break;
2045 case ICE_AQ_LINK_SPEED_1000MB:
2046 ks->base.speed = SPEED_1000;
2047 break;
2048 case ICE_AQ_LINK_SPEED_100MB:
2049 ks->base.speed = SPEED_100;
2050 break;
2051 default:
2052 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
2053 link_info->link_speed);
2054 break;
2055 }
2056 ks->base.duplex = DUPLEX_FULL;
2057
2058 if (link_info->an_info & ICE_AQ_AN_COMPLETED)
2059 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2060 Autoneg);
2061
2062 /* Set flow control negotiated Rx/Tx pause */
2063 switch (pi->fc.current_mode) {
2064 case ICE_FC_FULL:
2065 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2066 break;
2067 case ICE_FC_TX_PAUSE:
2068 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
2069 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2070 Asym_Pause);
2071 break;
2072 case ICE_FC_RX_PAUSE:
2073 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
2074 Asym_Pause);
2075 break;
2076 case ICE_FC_PFC:
2077 default:
2078 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
2079 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
2080 Asym_Pause);
2081 break;
2082 }
2083}
2084
2085/**
2086 * ice_get_settings_link_down - Get the Link settings when link is down
2087 * @ks: ethtool ksettings to fill in
2088 * @netdev: network interface device structure
2089 *
2090 * Reports link settings that can be determined when link is down
2091 */
2092static void
2093ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
2094 struct net_device *netdev)
2095{
2096 /* link is down and the driver needs to fall back on
2097 * supported PHY types to figure out what info to display
2098 */
2099 ice_phy_type_to_ethtool(netdev, ks);
2100
2101 /* With no link, speed and duplex are unknown */
2102 ks->base.speed = SPEED_UNKNOWN;
2103 ks->base.duplex = DUPLEX_UNKNOWN;
2104}
2105
2106/**
2107 * ice_get_link_ksettings - Get Link Speed and Duplex settings
2108 * @netdev: network interface device structure
2109 * @ks: ethtool ksettings
2110 *
2111 * Reports speed/duplex settings based on media_type
2112 */
2113static int
2114ice_get_link_ksettings(struct net_device *netdev,
2115 struct ethtool_link_ksettings *ks)
2116{
2117 struct ice_netdev_priv *np = netdev_priv(netdev);
2118 struct ice_aqc_get_phy_caps_data *caps;
2119 struct ice_link_status *hw_link_info;
2120 struct ice_vsi *vsi = np->vsi;
2121 int err;
2122
2123 ethtool_link_ksettings_zero_link_mode(ks, supported);
2124 ethtool_link_ksettings_zero_link_mode(ks, advertising);
2125 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
2126 hw_link_info = &vsi->port_info->phy.link_info;
2127
2128 /* set speed and duplex */
2129 if (hw_link_info->link_info & ICE_AQ_LINK_UP)
2130 ice_get_settings_link_up(ks, netdev);
2131 else
2132 ice_get_settings_link_down(ks, netdev);
2133
2134 /* set autoneg settings */
2135 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
2136 AUTONEG_ENABLE : AUTONEG_DISABLE;
2137
2138 /* set media type settings */
2139 switch (vsi->port_info->phy.media_type) {
2140 case ICE_MEDIA_FIBER:
2141 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2142 ks->base.port = PORT_FIBRE;
2143 break;
2144 case ICE_MEDIA_BASET:
2145 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
2146 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
2147 ks->base.port = PORT_TP;
2148 break;
2149 case ICE_MEDIA_BACKPLANE:
2150 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
2151 ethtool_link_ksettings_add_link_mode(ks, advertising,
2152 Backplane);
2153 ks->base.port = PORT_NONE;
2154 break;
2155 case ICE_MEDIA_DA:
2156 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2157 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2158 ks->base.port = PORT_DA;
2159 break;
2160 default:
2161 ks->base.port = PORT_OTHER;
2162 break;
2163 }
2164
2165 /* flow control is symmetric and always supported */
2166 ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2167
2168 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2169 if (!caps)
2170 return -ENOMEM;
2171
2172 err = ice_aq_get_phy_caps(vsi->port_info, false,
2173 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
2174 if (err)
2175 goto done;
2176
2177 /* Set the advertised flow control based on the PHY capability */
2178 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2179 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2180 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2181 ethtool_link_ksettings_add_link_mode(ks, advertising,
2182 Asym_Pause);
2183 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2184 ethtool_link_ksettings_add_link_mode(ks, advertising,
2185 Asym_Pause);
2186 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2187 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2188 ethtool_link_ksettings_add_link_mode(ks, advertising,
2189 Asym_Pause);
2190 } else {
2191 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2192 ethtool_link_ksettings_del_link_mode(ks, advertising,
2193 Asym_Pause);
2194 }
2195
2196 /* Set advertised FEC modes based on PHY capability */
2197 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2198
2199 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2200 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2201 ethtool_link_ksettings_add_link_mode(ks, advertising,
2202 FEC_BASER);
2203 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2204 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2205 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2206
2207 err = ice_aq_get_phy_caps(vsi->port_info, false,
2208 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
2209 if (err)
2210 goto done;
2211
2212 /* Set supported FEC modes based on PHY capability */
2213 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2214
2215 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2216 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2217 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2218 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2219 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2220
2221 /* Set supported and advertised autoneg */
2222 if (ice_is_phy_caps_an_enabled(caps)) {
2223 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
2224 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
2225 }
2226
2227done:
2228 kfree(caps);
2229 return err;
2230}
2231
2232/**
2233 * ice_ksettings_find_adv_link_speed - Find advertising link speed
2234 * @ks: ethtool ksettings
2235 */
2236static u16
2237ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2238{
2239 u16 adv_link_speed = 0;
2240
2241 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2242 100baseT_Full))
2243 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2244 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2245 1000baseX_Full))
2246 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2247 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2248 1000baseT_Full) ||
2249 ethtool_link_ksettings_test_link_mode(ks, advertising,
2250 1000baseKX_Full))
2251 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2252 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2253 2500baseT_Full))
2254 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2255 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2256 2500baseX_Full))
2257 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2258 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2259 5000baseT_Full))
2260 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2261 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2262 10000baseT_Full) ||
2263 ethtool_link_ksettings_test_link_mode(ks, advertising,
2264 10000baseKR_Full))
2265 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2266 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2267 10000baseSR_Full) ||
2268 ethtool_link_ksettings_test_link_mode(ks, advertising,
2269 10000baseLR_Full))
2270 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2271 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2272 25000baseCR_Full) ||
2273 ethtool_link_ksettings_test_link_mode(ks, advertising,
2274 25000baseSR_Full) ||
2275 ethtool_link_ksettings_test_link_mode(ks, advertising,
2276 25000baseKR_Full))
2277 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2278 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2279 40000baseCR4_Full) ||
2280 ethtool_link_ksettings_test_link_mode(ks, advertising,
2281 40000baseSR4_Full) ||
2282 ethtool_link_ksettings_test_link_mode(ks, advertising,
2283 40000baseLR4_Full) ||
2284 ethtool_link_ksettings_test_link_mode(ks, advertising,
2285 40000baseKR4_Full))
2286 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2287 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2288 50000baseCR2_Full) ||
2289 ethtool_link_ksettings_test_link_mode(ks, advertising,
2290 50000baseKR2_Full))
2291 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2292 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2293 50000baseSR2_Full))
2294 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2295 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2296 100000baseCR4_Full) ||
2297 ethtool_link_ksettings_test_link_mode(ks, advertising,
2298 100000baseSR4_Full) ||
2299 ethtool_link_ksettings_test_link_mode(ks, advertising,
2300 100000baseLR4_ER4_Full) ||
2301 ethtool_link_ksettings_test_link_mode(ks, advertising,
2302 100000baseKR4_Full))
2303 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2304
2305 return adv_link_speed;
2306}
2307
2308/**
2309 * ice_setup_autoneg
2310 * @p: port info
2311 * @ks: ethtool_link_ksettings
2312 * @config: configuration that will be sent down to FW
2313 * @autoneg_enabled: autonegotiation is enabled or not
2314 * @autoneg_changed: will there a change in autonegotiation
2315 * @netdev: network interface device structure
2316 *
2317 * Setup PHY autonegotiation feature
2318 */
2319static int
2320ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2321 struct ice_aqc_set_phy_cfg_data *config,
2322 u8 autoneg_enabled, u8 *autoneg_changed,
2323 struct net_device *netdev)
2324{
2325 int err = 0;
2326
2327 *autoneg_changed = 0;
2328
2329 /* Check autoneg */
2330 if (autoneg_enabled == AUTONEG_ENABLE) {
2331 /* If autoneg was not already enabled */
2332 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2333 /* If autoneg is not supported, return error */
2334 if (!ethtool_link_ksettings_test_link_mode(ks,
2335 supported,
2336 Autoneg)) {
2337 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2338 err = -EINVAL;
2339 } else {
2340 /* Autoneg is allowed to change */
2341 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2342 *autoneg_changed = 1;
2343 }
2344 }
2345 } else {
2346 /* If autoneg is currently enabled */
2347 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2348 /* If autoneg is supported 10GBASE_T is the only PHY
2349 * that can disable it, so otherwise return error
2350 */
2351 if (ethtool_link_ksettings_test_link_mode(ks,
2352 supported,
2353 Autoneg)) {
2354 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2355 err = -EINVAL;
2356 } else {
2357 /* Autoneg is allowed to change */
2358 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2359 *autoneg_changed = 1;
2360 }
2361 }
2362 }
2363
2364 return err;
2365}
2366
2367/**
2368 * ice_set_phy_type_from_speed - set phy_types based on speeds
2369 * and advertised modes
2370 * @ks: ethtool link ksettings struct
2371 * @phy_type_low: pointer to the lower part of phy_type
2372 * @phy_type_high: pointer to the higher part of phy_type
2373 * @adv_link_speed: targeted link speeds bitmap
2374 */
2375static void
2376ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
2377 u64 *phy_type_low, u64 *phy_type_high,
2378 u16 adv_link_speed)
2379{
2380 /* Handle 1000M speed in a special way because ice_update_phy_type
2381 * enables all link modes, but having mixed copper and optical
2382 * standards is not supported.
2383 */
2384 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
2385
2386 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2387 1000baseT_Full))
2388 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
2389 ICE_PHY_TYPE_LOW_1G_SGMII;
2390
2391 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2392 1000baseKX_Full))
2393 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
2394
2395 if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2396 1000baseX_Full))
2397 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
2398 ICE_PHY_TYPE_LOW_1000BASE_LX;
2399
2400 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
2401}
2402
2403/**
2404 * ice_set_link_ksettings - Set Speed and Duplex
2405 * @netdev: network interface device structure
2406 * @ks: ethtool ksettings
2407 *
2408 * Set speed/duplex per media_types advertised/forced
2409 */
2410static int
2411ice_set_link_ksettings(struct net_device *netdev,
2412 const struct ethtool_link_ksettings *ks)
2413{
2414 struct ice_netdev_priv *np = netdev_priv(netdev);
2415 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2416 struct ethtool_link_ksettings copy_ks = *ks;
2417 struct ethtool_link_ksettings safe_ks = {};
2418 struct ice_aqc_get_phy_caps_data *phy_caps;
2419 struct ice_aqc_set_phy_cfg_data config;
2420 u16 adv_link_speed, curr_link_speed;
2421 struct ice_pf *pf = np->vsi->back;
2422 struct ice_port_info *pi;
2423 u8 autoneg_changed = 0;
2424 u64 phy_type_high = 0;
2425 u64 phy_type_low = 0;
2426 bool linkup;
2427 int err;
2428
2429 pi = np->vsi->port_info;
2430
2431 if (!pi)
2432 return -EIO;
2433
2434 if (pi->phy.media_type != ICE_MEDIA_BASET &&
2435 pi->phy.media_type != ICE_MEDIA_FIBER &&
2436 pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
2437 pi->phy.media_type != ICE_MEDIA_DA &&
2438 pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
2439 return -EOPNOTSUPP;
2440
2441 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
2442 if (!phy_caps)
2443 return -ENOMEM;
2444
2445 /* Get the PHY capabilities based on media */
2446 if (ice_fw_supports_report_dflt_cfg(pi->hw))
2447 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
2448 phy_caps, NULL);
2449 else
2450 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
2451 phy_caps, NULL);
2452 if (err)
2453 goto done;
2454
2455 /* save autoneg out of ksettings */
2456 autoneg = copy_ks.base.autoneg;
2457
2458 /* Get link modes supported by hardware.*/
2459 ice_phy_type_to_ethtool(netdev, &safe_ks);
2460
2461 /* and check against modes requested by user.
2462 * Return an error if unsupported mode was set.
2463 */
2464 if (!bitmap_subset(copy_ks.link_modes.advertising,
2465 safe_ks.link_modes.supported,
2466 __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2467 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2468 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2469 err = -EOPNOTSUPP;
2470 goto done;
2471 }
2472
2473 /* get our own copy of the bits to check against */
2474 memset(&safe_ks, 0, sizeof(safe_ks));
2475 safe_ks.base.cmd = copy_ks.base.cmd;
2476 safe_ks.base.link_mode_masks_nwords =
2477 copy_ks.base.link_mode_masks_nwords;
2478 ice_get_link_ksettings(netdev, &safe_ks);
2479
2480 /* set autoneg back to what it currently is */
2481 copy_ks.base.autoneg = safe_ks.base.autoneg;
2482 /* we don't compare the speed */
2483 copy_ks.base.speed = safe_ks.base.speed;
2484
2485 /* If copy_ks.base and safe_ks.base are not the same now, then they are
2486 * trying to set something that we do not support.
2487 */
2488 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2489 err = -EOPNOTSUPP;
2490 goto done;
2491 }
2492
2493 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2494 timeout--;
2495 if (!timeout) {
2496 err = -EBUSY;
2497 goto done;
2498 }
2499 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2500 }
2501
2502 /* Copy the current user PHY configuration. The current user PHY
2503 * configuration is initialized during probe from PHY capabilities
2504 * software mode, and updated on set PHY configuration.
2505 */
2506 config = pi->phy.curr_user_phy_cfg;
2507
2508 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2509
2510 /* Check autoneg */
2511 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
2512 netdev);
2513
2514 if (err)
2515 goto done;
2516
2517 /* Call to get the current link speed */
2518 pi->phy.get_link_info = true;
2519 err = ice_get_link_status(pi, &linkup);
2520 if (err)
2521 goto done;
2522
2523 curr_link_speed = pi->phy.curr_user_speed_req;
2524 adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2525
2526 /* If speed didn't get set, set it to what it currently is.
2527 * This is needed because if advertise is 0 (as it is when autoneg
2528 * is disabled) then speed won't get set.
2529 */
2530 if (!adv_link_speed)
2531 adv_link_speed = curr_link_speed;
2532
2533 /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2534 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
2535 adv_link_speed);
2536
2537 if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2538 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2539 goto done;
2540 }
2541
2542 /* save the requested speeds */
2543 pi->phy.link_info.req_speeds = adv_link_speed;
2544
2545 /* set link and auto negotiation so changes take effect */
2546 config.caps |= ICE_AQ_PHY_ENA_LINK;
2547
2548 /* check if there is a PHY type for the requested advertised speed */
2549 if (!(phy_type_low || phy_type_high)) {
2550 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2551 err = -EOPNOTSUPP;
2552 goto done;
2553 }
2554
2555 /* intersect requested advertised speed PHY types with media PHY types
2556 * for set PHY configuration
2557 */
2558 config.phy_type_high = cpu_to_le64(phy_type_high) &
2559 phy_caps->phy_type_high;
2560 config.phy_type_low = cpu_to_le64(phy_type_low) &
2561 phy_caps->phy_type_low;
2562
2563 if (!(config.phy_type_high || config.phy_type_low)) {
2564 /* If there is no intersection and lenient mode is enabled, then
2565 * intersect the requested advertised speed with NVM media type
2566 * PHY types.
2567 */
2568 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2569 config.phy_type_high = cpu_to_le64(phy_type_high) &
2570 pf->nvm_phy_type_hi;
2571 config.phy_type_low = cpu_to_le64(phy_type_low) &
2572 pf->nvm_phy_type_lo;
2573 } else {
2574 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2575 err = -EOPNOTSUPP;
2576 goto done;
2577 }
2578 }
2579
2580 /* If link is up put link down */
2581 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2582 /* Tell the OS link is going down, the link will go
2583 * back up when fw says it is ready asynchronously
2584 */
2585 ice_print_link_msg(np->vsi, false);
2586 netif_carrier_off(netdev);
2587 netif_tx_stop_all_queues(netdev);
2588 }
2589
2590 /* make the aq call */
2591 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
2592 if (err) {
2593 netdev_info(netdev, "Set phy config failed,\n");
2594 goto done;
2595 }
2596
2597 /* Save speed request */
2598 pi->phy.curr_user_speed_req = adv_link_speed;
2599done:
2600 kfree(phy_caps);
2601 clear_bit(ICE_CFG_BUSY, pf->state);
2602
2603 return err;
2604}
2605
2606/**
2607 * ice_parse_hdrs - parses headers from RSS hash input
2608 * @nfc: ethtool rxnfc command
2609 *
2610 * This function parses the rxnfc command and returns intended
2611 * header types for RSS configuration
2612 */
2613static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2614{
2615 u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2616
2617 switch (nfc->flow_type) {
2618 case TCP_V4_FLOW:
2619 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2620 break;
2621 case UDP_V4_FLOW:
2622 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2623 break;
2624 case SCTP_V4_FLOW:
2625 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2626 break;
2627 case TCP_V6_FLOW:
2628 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2629 break;
2630 case UDP_V6_FLOW:
2631 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2632 break;
2633 case SCTP_V6_FLOW:
2634 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2635 break;
2636 default:
2637 break;
2638 }
2639 return hdrs;
2640}
2641
2642#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2643#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2644#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2645#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2646#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2647#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2648#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2649#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2650#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2651 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2652#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2653 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2654
2655/**
2656 * ice_parse_hash_flds - parses hash fields from RSS hash input
2657 * @nfc: ethtool rxnfc command
2658 *
2659 * This function parses the rxnfc command and returns intended
2660 * hash fields for RSS configuration
2661 */
2662static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2663{
2664 u64 hfld = ICE_HASH_INVALID;
2665
2666 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2667 switch (nfc->flow_type) {
2668 case TCP_V4_FLOW:
2669 case UDP_V4_FLOW:
2670 case SCTP_V4_FLOW:
2671 if (nfc->data & RXH_IP_SRC)
2672 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2673 if (nfc->data & RXH_IP_DST)
2674 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2675 break;
2676 case TCP_V6_FLOW:
2677 case UDP_V6_FLOW:
2678 case SCTP_V6_FLOW:
2679 if (nfc->data & RXH_IP_SRC)
2680 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2681 if (nfc->data & RXH_IP_DST)
2682 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2683 break;
2684 default:
2685 break;
2686 }
2687 }
2688
2689 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2690 switch (nfc->flow_type) {
2691 case TCP_V4_FLOW:
2692 case TCP_V6_FLOW:
2693 if (nfc->data & RXH_L4_B_0_1)
2694 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2695 if (nfc->data & RXH_L4_B_2_3)
2696 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2697 break;
2698 case UDP_V4_FLOW:
2699 case UDP_V6_FLOW:
2700 if (nfc->data & RXH_L4_B_0_1)
2701 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2702 if (nfc->data & RXH_L4_B_2_3)
2703 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2704 break;
2705 case SCTP_V4_FLOW:
2706 case SCTP_V6_FLOW:
2707 if (nfc->data & RXH_L4_B_0_1)
2708 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2709 if (nfc->data & RXH_L4_B_2_3)
2710 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2711 break;
2712 default:
2713 break;
2714 }
2715 }
2716
2717 return hfld;
2718}
2719
2720/**
2721 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2722 * @vsi: the VSI being configured
2723 * @nfc: ethtool rxnfc command
2724 *
2725 * Returns Success if the flow input set is supported.
2726 */
2727static int
2728ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2729{
2730 struct ice_pf *pf = vsi->back;
2731 struct device *dev;
2732 u64 hashed_flds;
2733 int status;
2734 u32 hdrs;
2735
2736 dev = ice_pf_to_dev(pf);
2737 if (ice_is_safe_mode(pf)) {
2738 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2739 vsi->vsi_num);
2740 return -EINVAL;
2741 }
2742
2743 hashed_flds = ice_parse_hash_flds(nfc);
2744 if (hashed_flds == ICE_HASH_INVALID) {
2745 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2746 vsi->vsi_num);
2747 return -EINVAL;
2748 }
2749
2750 hdrs = ice_parse_hdrs(nfc);
2751 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2752 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2753 vsi->vsi_num);
2754 return -EINVAL;
2755 }
2756
2757 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2758 if (status) {
2759 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2760 vsi->vsi_num, status);
2761 return status;
2762 }
2763
2764 return 0;
2765}
2766
2767/**
2768 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2769 * @vsi: the VSI being configured
2770 * @nfc: ethtool rxnfc command
2771 */
2772static void
2773ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2774{
2775 struct ice_pf *pf = vsi->back;
2776 struct device *dev;
2777 u64 hash_flds;
2778 u32 hdrs;
2779
2780 dev = ice_pf_to_dev(pf);
2781
2782 nfc->data = 0;
2783 if (ice_is_safe_mode(pf)) {
2784 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2785 vsi->vsi_num);
2786 return;
2787 }
2788
2789 hdrs = ice_parse_hdrs(nfc);
2790 if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2791 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2792 vsi->vsi_num);
2793 return;
2794 }
2795
2796 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2797 if (hash_flds == ICE_HASH_INVALID) {
2798 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2799 vsi->vsi_num);
2800 return;
2801 }
2802
2803 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2804 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2805 nfc->data |= (u64)RXH_IP_SRC;
2806
2807 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2808 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2809 nfc->data |= (u64)RXH_IP_DST;
2810
2811 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2812 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2813 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2814 nfc->data |= (u64)RXH_L4_B_0_1;
2815
2816 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2817 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2818 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2819 nfc->data |= (u64)RXH_L4_B_2_3;
2820}
2821
2822/**
2823 * ice_set_rxnfc - command to set Rx flow rules.
2824 * @netdev: network interface device structure
2825 * @cmd: ethtool rxnfc command
2826 *
2827 * Returns 0 for success and negative values for errors
2828 */
2829static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2830{
2831 struct ice_netdev_priv *np = netdev_priv(netdev);
2832 struct ice_vsi *vsi = np->vsi;
2833
2834 switch (cmd->cmd) {
2835 case ETHTOOL_SRXCLSRLINS:
2836 return ice_add_fdir_ethtool(vsi, cmd);
2837 case ETHTOOL_SRXCLSRLDEL:
2838 return ice_del_fdir_ethtool(vsi, cmd);
2839 case ETHTOOL_SRXFH:
2840 return ice_set_rss_hash_opt(vsi, cmd);
2841 default:
2842 break;
2843 }
2844 return -EOPNOTSUPP;
2845}
2846
2847/**
2848 * ice_get_rxnfc - command to get Rx flow classification rules
2849 * @netdev: network interface device structure
2850 * @cmd: ethtool rxnfc command
2851 * @rule_locs: buffer to rturn Rx flow classification rules
2852 *
2853 * Returns Success if the command is supported.
2854 */
2855static int
2856ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2857 u32 __always_unused *rule_locs)
2858{
2859 struct ice_netdev_priv *np = netdev_priv(netdev);
2860 struct ice_vsi *vsi = np->vsi;
2861 int ret = -EOPNOTSUPP;
2862 struct ice_hw *hw;
2863
2864 hw = &vsi->back->hw;
2865
2866 switch (cmd->cmd) {
2867 case ETHTOOL_GRXRINGS:
2868 cmd->data = vsi->rss_size;
2869 ret = 0;
2870 break;
2871 case ETHTOOL_GRXCLSRLCNT:
2872 cmd->rule_cnt = hw->fdir_active_fltr;
2873 /* report total rule count */
2874 cmd->data = ice_get_fdir_cnt_all(hw);
2875 ret = 0;
2876 break;
2877 case ETHTOOL_GRXCLSRULE:
2878 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2879 break;
2880 case ETHTOOL_GRXCLSRLALL:
2881 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2882 break;
2883 case ETHTOOL_GRXFH:
2884 ice_get_rss_hash_opt(vsi, cmd);
2885 ret = 0;
2886 break;
2887 default:
2888 break;
2889 }
2890
2891 return ret;
2892}
2893
2894static void
2895ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2896 struct kernel_ethtool_ringparam *kernel_ring,
2897 struct netlink_ext_ack *extack)
2898{
2899 struct ice_netdev_priv *np = netdev_priv(netdev);
2900 struct ice_vsi *vsi = np->vsi;
2901
2902 ring->rx_max_pending = ICE_MAX_NUM_DESC;
2903 ring->tx_max_pending = ICE_MAX_NUM_DESC;
2904 ring->rx_pending = vsi->rx_rings[0]->count;
2905 ring->tx_pending = vsi->tx_rings[0]->count;
2906
2907 /* Rx mini and jumbo rings are not supported */
2908 ring->rx_mini_max_pending = 0;
2909 ring->rx_jumbo_max_pending = 0;
2910 ring->rx_mini_pending = 0;
2911 ring->rx_jumbo_pending = 0;
2912}
2913
2914static int
2915ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
2916 struct kernel_ethtool_ringparam *kernel_ring,
2917 struct netlink_ext_ack *extack)
2918{
2919 struct ice_netdev_priv *np = netdev_priv(netdev);
2920 struct ice_tx_ring *xdp_rings = NULL;
2921 struct ice_tx_ring *tx_rings = NULL;
2922 struct ice_rx_ring *rx_rings = NULL;
2923 struct ice_vsi *vsi = np->vsi;
2924 struct ice_pf *pf = vsi->back;
2925 int i, timeout = 50, err = 0;
2926 u16 new_rx_cnt, new_tx_cnt;
2927
2928 if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2929 ring->tx_pending < ICE_MIN_NUM_DESC ||
2930 ring->rx_pending > ICE_MAX_NUM_DESC ||
2931 ring->rx_pending < ICE_MIN_NUM_DESC) {
2932 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2933 ring->tx_pending, ring->rx_pending,
2934 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2935 ICE_REQ_DESC_MULTIPLE);
2936 return -EINVAL;
2937 }
2938
2939 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2940 if (new_tx_cnt != ring->tx_pending)
2941 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2942 new_tx_cnt);
2943 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2944 if (new_rx_cnt != ring->rx_pending)
2945 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2946 new_rx_cnt);
2947
2948 /* if nothing to do return success */
2949 if (new_tx_cnt == vsi->tx_rings[0]->count &&
2950 new_rx_cnt == vsi->rx_rings[0]->count) {
2951 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2952 return 0;
2953 }
2954
2955 /* If there is a AF_XDP UMEM attached to any of Rx rings,
2956 * disallow changing the number of descriptors -- regardless
2957 * if the netdev is running or not.
2958 */
2959 if (ice_xsk_any_rx_ring_ena(vsi))
2960 return -EBUSY;
2961
2962 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
2963 timeout--;
2964 if (!timeout)
2965 return -EBUSY;
2966 usleep_range(1000, 2000);
2967 }
2968
2969 /* set for the next time the netdev is started */
2970 if (!netif_running(vsi->netdev)) {
2971 ice_for_each_alloc_txq(vsi, i)
2972 vsi->tx_rings[i]->count = new_tx_cnt;
2973 ice_for_each_alloc_rxq(vsi, i)
2974 vsi->rx_rings[i]->count = new_rx_cnt;
2975 if (ice_is_xdp_ena_vsi(vsi))
2976 ice_for_each_xdp_txq(vsi, i)
2977 vsi->xdp_rings[i]->count = new_tx_cnt;
2978 vsi->num_tx_desc = (u16)new_tx_cnt;
2979 vsi->num_rx_desc = (u16)new_rx_cnt;
2980 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2981 goto done;
2982 }
2983
2984 if (new_tx_cnt == vsi->tx_rings[0]->count)
2985 goto process_rx;
2986
2987 /* alloc updated Tx resources */
2988 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2989 vsi->tx_rings[0]->count, new_tx_cnt);
2990
2991 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2992 if (!tx_rings) {
2993 err = -ENOMEM;
2994 goto done;
2995 }
2996
2997 ice_for_each_txq(vsi, i) {
2998 /* clone ring and setup updated count */
2999 tx_rings[i] = *vsi->tx_rings[i];
3000 tx_rings[i].count = new_tx_cnt;
3001 tx_rings[i].desc = NULL;
3002 tx_rings[i].tx_buf = NULL;
3003 tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
3004 err = ice_setup_tx_ring(&tx_rings[i]);
3005 if (err) {
3006 while (i--)
3007 ice_clean_tx_ring(&tx_rings[i]);
3008 kfree(tx_rings);
3009 goto done;
3010 }
3011 }
3012
3013 if (!ice_is_xdp_ena_vsi(vsi))
3014 goto process_rx;
3015
3016 /* alloc updated XDP resources */
3017 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
3018 vsi->xdp_rings[0]->count, new_tx_cnt);
3019
3020 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
3021 if (!xdp_rings) {
3022 err = -ENOMEM;
3023 goto free_tx;
3024 }
3025
3026 ice_for_each_xdp_txq(vsi, i) {
3027 /* clone ring and setup updated count */
3028 xdp_rings[i] = *vsi->xdp_rings[i];
3029 xdp_rings[i].count = new_tx_cnt;
3030 xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
3031 xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
3032 xdp_rings[i].desc = NULL;
3033 xdp_rings[i].tx_buf = NULL;
3034 err = ice_setup_tx_ring(&xdp_rings[i]);
3035 if (err) {
3036 while (i--)
3037 ice_clean_tx_ring(&xdp_rings[i]);
3038 kfree(xdp_rings);
3039 goto free_tx;
3040 }
3041 ice_set_ring_xdp(&xdp_rings[i]);
3042 }
3043
3044process_rx:
3045 if (new_rx_cnt == vsi->rx_rings[0]->count)
3046 goto process_link;
3047
3048 /* alloc updated Rx resources */
3049 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
3050 vsi->rx_rings[0]->count, new_rx_cnt);
3051
3052 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
3053 if (!rx_rings) {
3054 err = -ENOMEM;
3055 goto done;
3056 }
3057
3058 ice_for_each_rxq(vsi, i) {
3059 /* clone ring and setup updated count */
3060 rx_rings[i] = *vsi->rx_rings[i];
3061 rx_rings[i].count = new_rx_cnt;
3062 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
3063 rx_rings[i].desc = NULL;
3064 rx_rings[i].rx_buf = NULL;
3065 /* this is to allow wr32 to have something to write to
3066 * during early allocation of Rx buffers
3067 */
3068 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
3069
3070 err = ice_setup_rx_ring(&rx_rings[i]);
3071 if (err)
3072 goto rx_unwind;
3073
3074 /* allocate Rx buffers */
3075 err = ice_alloc_rx_bufs(&rx_rings[i],
3076 ICE_DESC_UNUSED(&rx_rings[i]));
3077rx_unwind:
3078 if (err) {
3079 while (i) {
3080 i--;
3081 ice_free_rx_ring(&rx_rings[i]);
3082 }
3083 kfree(rx_rings);
3084 err = -ENOMEM;
3085 goto free_tx;
3086 }
3087 }
3088
3089process_link:
3090 /* Bring interface down, copy in the new ring info, then restore the
3091 * interface. if VSI is up, bring it down and then back up
3092 */
3093 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
3094 ice_down(vsi);
3095
3096 if (tx_rings) {
3097 ice_for_each_txq(vsi, i) {
3098 ice_free_tx_ring(vsi->tx_rings[i]);
3099 *vsi->tx_rings[i] = tx_rings[i];
3100 }
3101 kfree(tx_rings);
3102 }
3103
3104 if (rx_rings) {
3105 ice_for_each_rxq(vsi, i) {
3106 ice_free_rx_ring(vsi->rx_rings[i]);
3107 /* copy the real tail offset */
3108 rx_rings[i].tail = vsi->rx_rings[i]->tail;
3109 /* this is to fake out the allocation routine
3110 * into thinking it has to realloc everything
3111 * but the recycling logic will let us re-use
3112 * the buffers allocated above
3113 */
3114 rx_rings[i].next_to_use = 0;
3115 rx_rings[i].next_to_clean = 0;
3116 rx_rings[i].next_to_alloc = 0;
3117 *vsi->rx_rings[i] = rx_rings[i];
3118 }
3119 kfree(rx_rings);
3120 }
3121
3122 if (xdp_rings) {
3123 ice_for_each_xdp_txq(vsi, i) {
3124 ice_free_tx_ring(vsi->xdp_rings[i]);
3125 *vsi->xdp_rings[i] = xdp_rings[i];
3126 }
3127 kfree(xdp_rings);
3128 }
3129
3130 vsi->num_tx_desc = new_tx_cnt;
3131 vsi->num_rx_desc = new_rx_cnt;
3132 ice_up(vsi);
3133 }
3134 goto done;
3135
3136free_tx:
3137 /* error cleanup if the Rx allocations failed after getting Tx */
3138 if (tx_rings) {
3139 ice_for_each_txq(vsi, i)
3140 ice_free_tx_ring(&tx_rings[i]);
3141 kfree(tx_rings);
3142 }
3143
3144done:
3145 clear_bit(ICE_CFG_BUSY, pf->state);
3146 return err;
3147}
3148
3149/**
3150 * ice_get_pauseparam - Get Flow Control status
3151 * @netdev: network interface device structure
3152 * @pause: ethernet pause (flow control) parameters
3153 *
3154 * Get requested flow control status from PHY capability.
3155 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
3156 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
3157 * the negotiated Rx/Tx pause via lp_advertising.
3158 */
3159static void
3160ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3161{
3162 struct ice_netdev_priv *np = netdev_priv(netdev);
3163 struct ice_port_info *pi = np->vsi->port_info;
3164 struct ice_aqc_get_phy_caps_data *pcaps;
3165 struct ice_dcbx_cfg *dcbx_cfg;
3166 int status;
3167
3168 /* Initialize pause params */
3169 pause->rx_pause = 0;
3170 pause->tx_pause = 0;
3171
3172 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3173
3174 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3175 if (!pcaps)
3176 return;
3177
3178 /* Get current PHY config */
3179 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3180 NULL);
3181 if (status)
3182 goto out;
3183
3184 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3185 AUTONEG_DISABLE;
3186
3187 if (dcbx_cfg->pfc.pfcena)
3188 /* PFC enabled so report LFC as off */
3189 goto out;
3190
3191 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3192 pause->tx_pause = 1;
3193 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3194 pause->rx_pause = 1;
3195
3196out:
3197 kfree(pcaps);
3198}
3199
3200/**
3201 * ice_set_pauseparam - Set Flow Control parameter
3202 * @netdev: network interface device structure
3203 * @pause: return Tx/Rx flow control status
3204 */
3205static int
3206ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3207{
3208 struct ice_netdev_priv *np = netdev_priv(netdev);
3209 struct ice_aqc_get_phy_caps_data *pcaps;
3210 struct ice_link_status *hw_link_info;
3211 struct ice_pf *pf = np->vsi->back;
3212 struct ice_dcbx_cfg *dcbx_cfg;
3213 struct ice_vsi *vsi = np->vsi;
3214 struct ice_hw *hw = &pf->hw;
3215 struct ice_port_info *pi;
3216 u8 aq_failures;
3217 bool link_up;
3218 u32 is_an;
3219 int err;
3220
3221 pi = vsi->port_info;
3222 hw_link_info = &pi->phy.link_info;
3223 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
3224 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3225
3226 /* Changing the port's flow control is not supported if this isn't the
3227 * PF VSI
3228 */
3229 if (vsi->type != ICE_VSI_PF) {
3230 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3231 return -EOPNOTSUPP;
3232 }
3233
3234 /* Get pause param reports configured and negotiated flow control pause
3235 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3236 * defined get pause param pause->autoneg reports SW configured setting,
3237 * so compare pause->autoneg with SW configured to prevent the user from
3238 * using set pause param to chance autoneg.
3239 */
3240 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3241 if (!pcaps)
3242 return -ENOMEM;
3243
3244 /* Get current PHY config */
3245 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
3246 NULL);
3247 if (err) {
3248 kfree(pcaps);
3249 return err;
3250 }
3251
3252 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3253 AUTONEG_DISABLE;
3254
3255 kfree(pcaps);
3256
3257 if (pause->autoneg != is_an) {
3258 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3259 return -EOPNOTSUPP;
3260 }
3261
3262 /* If we have link and don't have autoneg */
3263 if (!test_bit(ICE_DOWN, pf->state) &&
3264 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3265 /* Send message that it might not necessarily work*/
3266 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3267 }
3268
3269 if (dcbx_cfg->pfc.pfcena) {
3270 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3271 return -EOPNOTSUPP;
3272 }
3273 if (pause->rx_pause && pause->tx_pause)
3274 pi->fc.req_mode = ICE_FC_FULL;
3275 else if (pause->rx_pause && !pause->tx_pause)
3276 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3277 else if (!pause->rx_pause && pause->tx_pause)
3278 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3279 else if (!pause->rx_pause && !pause->tx_pause)
3280 pi->fc.req_mode = ICE_FC_NONE;
3281 else
3282 return -EINVAL;
3283
3284 /* Set the FC mode and only restart AN if link is up */
3285 err = ice_set_fc(pi, &aq_failures, link_up);
3286
3287 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3288 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
3289 err, ice_aq_str(hw->adminq.sq_last_status));
3290 err = -EAGAIN;
3291 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3292 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
3293 err, ice_aq_str(hw->adminq.sq_last_status));
3294 err = -EAGAIN;
3295 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3296 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
3297 err, ice_aq_str(hw->adminq.sq_last_status));
3298 err = -EAGAIN;
3299 }
3300
3301 return err;
3302}
3303
3304/**
3305 * ice_get_rxfh_key_size - get the RSS hash key size
3306 * @netdev: network interface device structure
3307 *
3308 * Returns the table size.
3309 */
3310static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3311{
3312 return ICE_VSIQF_HKEY_ARRAY_SIZE;
3313}
3314
3315/**
3316 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3317 * @netdev: network interface device structure
3318 *
3319 * Returns the table size.
3320 */
3321static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3322{
3323 struct ice_netdev_priv *np = netdev_priv(netdev);
3324
3325 return np->vsi->rss_table_size;
3326}
3327
3328static int
3329ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
3330 u8 *key, u8 *hfunc, u32 rss_context)
3331{
3332 struct ice_netdev_priv *np = netdev_priv(netdev);
3333 struct ice_vsi *vsi = np->vsi;
3334 struct ice_pf *pf = vsi->back;
3335 u16 qcount, offset;
3336 int err, num_tc, i;
3337 u8 *lut;
3338
3339 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3340 netdev_warn(netdev, "RSS is not supported on this VSI!\n");
3341 return -EOPNOTSUPP;
3342 }
3343
3344 if (rss_context && !ice_is_adq_active(pf)) {
3345 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
3346 return -EINVAL;
3347 }
3348
3349 qcount = vsi->mqprio_qopt.qopt.count[rss_context];
3350 offset = vsi->mqprio_qopt.qopt.offset[rss_context];
3351
3352 if (rss_context && ice_is_adq_active(pf)) {
3353 num_tc = vsi->mqprio_qopt.qopt.num_tc;
3354 if (rss_context >= num_tc) {
3355 netdev_err(netdev, "RSS context:%d > num_tc:%d\n",
3356 rss_context, num_tc);
3357 return -EINVAL;
3358 }
3359 /* Use channel VSI of given TC */
3360 vsi = vsi->tc_map_vsi[rss_context];
3361 }
3362
3363 if (hfunc)
3364 *hfunc = ETH_RSS_HASH_TOP;
3365
3366 if (!indir)
3367 return 0;
3368
3369 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3370 if (!lut)
3371 return -ENOMEM;
3372
3373 err = ice_get_rss_key(vsi, key);
3374 if (err)
3375 goto out;
3376
3377 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
3378 if (err)
3379 goto out;
3380
3381 if (ice_is_adq_active(pf)) {
3382 for (i = 0; i < vsi->rss_table_size; i++)
3383 indir[i] = offset + lut[i] % qcount;
3384 goto out;
3385 }
3386
3387 for (i = 0; i < vsi->rss_table_size; i++)
3388 indir[i] = lut[i];
3389
3390out:
3391 kfree(lut);
3392 return err;
3393}
3394
3395/**
3396 * ice_get_rxfh - get the Rx flow hash indirection table
3397 * @netdev: network interface device structure
3398 * @indir: indirection table
3399 * @key: hash key
3400 * @hfunc: hash function
3401 *
3402 * Reads the indirection table directly from the hardware.
3403 */
3404static int
3405ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3406{
3407 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0);
3408}
3409
3410/**
3411 * ice_set_rxfh - set the Rx flow hash indirection table
3412 * @netdev: network interface device structure
3413 * @indir: indirection table
3414 * @key: hash key
3415 * @hfunc: hash function
3416 *
3417 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3418 * returns 0 after programming the table.
3419 */
3420static int
3421ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3422 const u8 hfunc)
3423{
3424 struct ice_netdev_priv *np = netdev_priv(netdev);
3425 struct ice_vsi *vsi = np->vsi;
3426 struct ice_pf *pf = vsi->back;
3427 struct device *dev;
3428 int err;
3429
3430 dev = ice_pf_to_dev(pf);
3431 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3432 return -EOPNOTSUPP;
3433
3434 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3435 /* RSS not supported return error here */
3436 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3437 return -EIO;
3438 }
3439
3440 if (ice_is_adq_active(pf)) {
3441 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
3442 return -EOPNOTSUPP;
3443 }
3444
3445 if (key) {
3446 if (!vsi->rss_hkey_user) {
3447 vsi->rss_hkey_user =
3448 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3449 GFP_KERNEL);
3450 if (!vsi->rss_hkey_user)
3451 return -ENOMEM;
3452 }
3453 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3454
3455 err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
3456 if (err)
3457 return err;
3458 }
3459
3460 if (!vsi->rss_lut_user) {
3461 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3462 GFP_KERNEL);
3463 if (!vsi->rss_lut_user)
3464 return -ENOMEM;
3465 }
3466
3467 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3468 if (indir) {
3469 int i;
3470
3471 for (i = 0; i < vsi->rss_table_size; i++)
3472 vsi->rss_lut_user[i] = (u8)(indir[i]);
3473 } else {
3474 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3475 vsi->rss_size);
3476 }
3477
3478 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
3479 if (err)
3480 return err;
3481
3482 return 0;
3483}
3484
3485static int
3486ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
3487{
3488 struct ice_pf *pf = ice_netdev_to_pf(dev);
3489
3490 /* only report timestamping if PTP is enabled */
3491 if (!test_bit(ICE_FLAG_PTP, pf->flags))
3492 return ethtool_op_get_ts_info(dev, info);
3493
3494 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3495 SOF_TIMESTAMPING_RX_SOFTWARE |
3496 SOF_TIMESTAMPING_SOFTWARE |
3497 SOF_TIMESTAMPING_TX_HARDWARE |
3498 SOF_TIMESTAMPING_RX_HARDWARE |
3499 SOF_TIMESTAMPING_RAW_HARDWARE;
3500
3501 info->phc_index = ice_get_ptp_clock_index(pf);
3502
3503 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
3504
3505 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
3506
3507 return 0;
3508}
3509
3510/**
3511 * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3512 * @pf: PF structure
3513 */
3514static int ice_get_max_txq(struct ice_pf *pf)
3515{
3516 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3517 (u16)pf->hw.func_caps.common_cap.num_txq);
3518}
3519
3520/**
3521 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3522 * @pf: PF structure
3523 */
3524static int ice_get_max_rxq(struct ice_pf *pf)
3525{
3526 return min3(pf->num_lan_msix, (u16)num_online_cpus(),
3527 (u16)pf->hw.func_caps.common_cap.num_rxq);
3528}
3529
3530/**
3531 * ice_get_combined_cnt - return the current number of combined channels
3532 * @vsi: PF VSI pointer
3533 *
3534 * Go through all queue vectors and count ones that have both Rx and Tx ring
3535 * attached
3536 */
3537static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3538{
3539 u32 combined = 0;
3540 int q_idx;
3541
3542 ice_for_each_q_vector(vsi, q_idx) {
3543 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3544
3545 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
3546 combined++;
3547 }
3548
3549 return combined;
3550}
3551
3552/**
3553 * ice_get_channels - get the current and max supported channels
3554 * @dev: network interface device structure
3555 * @ch: ethtool channel data structure
3556 */
3557static void
3558ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3559{
3560 struct ice_netdev_priv *np = netdev_priv(dev);
3561 struct ice_vsi *vsi = np->vsi;
3562 struct ice_pf *pf = vsi->back;
3563
3564 /* report maximum channels */
3565 ch->max_rx = ice_get_max_rxq(pf);
3566 ch->max_tx = ice_get_max_txq(pf);
3567 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3568
3569 /* report current channels */
3570 ch->combined_count = ice_get_combined_cnt(vsi);
3571 ch->rx_count = vsi->num_rxq - ch->combined_count;
3572 ch->tx_count = vsi->num_txq - ch->combined_count;
3573
3574 /* report other queues */
3575 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3576 ch->max_other = ch->other_count;
3577}
3578
3579/**
3580 * ice_get_valid_rss_size - return valid number of RSS queues
3581 * @hw: pointer to the HW structure
3582 * @new_size: requested RSS queues
3583 */
3584static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
3585{
3586 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3587
3588 return min_t(int, new_size, BIT(caps->rss_table_entry_width));
3589}
3590
3591/**
3592 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3593 * @vsi: VSI to reconfigure RSS LUT on
3594 * @req_rss_size: requested range of queue numbers for hashing
3595 *
3596 * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3597 */
3598static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3599{
3600 struct ice_pf *pf = vsi->back;
3601 struct device *dev;
3602 struct ice_hw *hw;
3603 int err;
3604 u8 *lut;
3605
3606 dev = ice_pf_to_dev(pf);
3607 hw = &pf->hw;
3608
3609 if (!req_rss_size)
3610 return -EINVAL;
3611
3612 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3613 if (!lut)
3614 return -ENOMEM;
3615
3616 /* set RSS LUT parameters */
3617 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
3618 vsi->rss_size = 1;
3619 else
3620 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
3621
3622 /* create/set RSS LUT */
3623 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3624 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
3625 if (err)
3626 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
3627 ice_aq_str(hw->adminq.sq_last_status));
3628
3629 kfree(lut);
3630 return err;
3631}
3632
3633/**
3634 * ice_set_channels - set the number channels
3635 * @dev: network interface device structure
3636 * @ch: ethtool channel data structure
3637 */
3638static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3639{
3640 struct ice_netdev_priv *np = netdev_priv(dev);
3641 struct ice_vsi *vsi = np->vsi;
3642 struct ice_pf *pf = vsi->back;
3643 int new_rx = 0, new_tx = 0;
3644 bool locked = false;
3645 u32 curr_combined;
3646 int ret = 0;
3647
3648 /* do not support changing channels in Safe Mode */
3649 if (ice_is_safe_mode(pf)) {
3650 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3651 return -EOPNOTSUPP;
3652 }
3653 /* do not support changing other_count */
3654 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3655 return -EINVAL;
3656
3657 if (ice_is_adq_active(pf)) {
3658 netdev_err(dev, "Cannot set channels with ADQ configured.\n");
3659 return -EOPNOTSUPP;
3660 }
3661
3662 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3663 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3664 return -EOPNOTSUPP;
3665 }
3666
3667 curr_combined = ice_get_combined_cnt(vsi);
3668
3669 /* these checks are for cases where user didn't specify a particular
3670 * value on cmd line but we get non-zero value anyway via
3671 * get_channels(); look at ethtool.c in ethtool repository (the user
3672 * space part), particularly, do_schannels() routine
3673 */
3674 if (ch->rx_count == vsi->num_rxq - curr_combined)
3675 ch->rx_count = 0;
3676 if (ch->tx_count == vsi->num_txq - curr_combined)
3677 ch->tx_count = 0;
3678 if (ch->combined_count == curr_combined)
3679 ch->combined_count = 0;
3680
3681 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3682 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3683 return -EINVAL;
3684 }
3685
3686 new_rx = ch->combined_count + ch->rx_count;
3687 new_tx = ch->combined_count + ch->tx_count;
3688
3689 if (new_rx < vsi->tc_cfg.numtc) {
3690 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
3691 vsi->tc_cfg.numtc);
3692 return -EINVAL;
3693 }
3694 if (new_tx < vsi->tc_cfg.numtc) {
3695 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
3696 vsi->tc_cfg.numtc);
3697 return -EINVAL;
3698 }
3699 if (new_rx > ice_get_max_rxq(pf)) {
3700 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3701 ice_get_max_rxq(pf));
3702 return -EINVAL;
3703 }
3704 if (new_tx > ice_get_max_txq(pf)) {
3705 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3706 ice_get_max_txq(pf));
3707 return -EINVAL;
3708 }
3709
3710 if (pf->adev) {
3711 mutex_lock(&pf->adev_mutex);
3712 device_lock(&pf->adev->dev);
3713 locked = true;
3714 if (pf->adev->dev.driver) {
3715 netdev_err(dev, "Cannot change channels when RDMA is active\n");
3716 ret = -EBUSY;
3717 goto adev_unlock;
3718 }
3719 }
3720
3721 ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
3722
3723 if (!netif_is_rxfh_configured(dev)) {
3724 ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3725 goto adev_unlock;
3726 }
3727
3728 /* Update rss_size due to change in Rx queues */
3729 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
3730
3731adev_unlock:
3732 if (locked) {
3733 device_unlock(&pf->adev->dev);
3734 mutex_unlock(&pf->adev_mutex);
3735 }
3736 return ret;
3737}
3738
3739/**
3740 * ice_get_wol - get current Wake on LAN configuration
3741 * @netdev: network interface device structure
3742 * @wol: Ethtool structure to retrieve WoL settings
3743 */
3744static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3745{
3746 struct ice_netdev_priv *np = netdev_priv(netdev);
3747 struct ice_pf *pf = np->vsi->back;
3748
3749 if (np->vsi->type != ICE_VSI_PF)
3750 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3751
3752 /* Get WoL settings based on the HW capability */
3753 if (ice_is_wol_supported(&pf->hw)) {
3754 wol->supported = WAKE_MAGIC;
3755 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3756 } else {
3757 wol->supported = 0;
3758 wol->wolopts = 0;
3759 }
3760}
3761
3762/**
3763 * ice_set_wol - set Wake on LAN on supported device
3764 * @netdev: network interface device structure
3765 * @wol: Ethtool structure to set WoL
3766 */
3767static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3768{
3769 struct ice_netdev_priv *np = netdev_priv(netdev);
3770 struct ice_vsi *vsi = np->vsi;
3771 struct ice_pf *pf = vsi->back;
3772
3773 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
3774 return -EOPNOTSUPP;
3775
3776 /* only magic packet is supported */
3777 if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3778 return -EOPNOTSUPP;
3779
3780 /* Set WoL only if there is a new value */
3781 if (pf->wol_ena != !!wol->wolopts) {
3782 pf->wol_ena = !!wol->wolopts;
3783 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3784 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3785 pf->wol_ena ? "en" : "dis");
3786 }
3787
3788 return 0;
3789}
3790
3791/**
3792 * ice_get_rc_coalesce - get ITR values for specific ring container
3793 * @ec: ethtool structure to fill with driver's coalesce settings
3794 * @rc: ring container that the ITR values will come from
3795 *
3796 * Query the device for ice_ring_container specific ITR values. This is
3797 * done per ice_ring_container because each q_vector can have 1 or more rings
3798 * and all of said ring(s) will have the same ITR values.
3799 *
3800 * Returns 0 on success, negative otherwise.
3801 */
3802static int
3803ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
3804{
3805 if (!rc->rx_ring)
3806 return -EINVAL;
3807
3808 switch (rc->type) {
3809 case ICE_RX_CONTAINER:
3810 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
3811 ec->rx_coalesce_usecs = rc->itr_setting;
3812 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
3813 break;
3814 case ICE_TX_CONTAINER:
3815 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
3816 ec->tx_coalesce_usecs = rc->itr_setting;
3817 break;
3818 default:
3819 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
3820 return -EINVAL;
3821 }
3822
3823 return 0;
3824}
3825
3826/**
3827 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3828 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3829 * @ec: coalesce settings to program the device with
3830 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3831 *
3832 * Return 0 on success, and negative under the following conditions:
3833 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3834 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3835 */
3836static int
3837ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3838{
3839 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3840 if (ice_get_rc_coalesce(ec,
3841 &vsi->rx_rings[q_num]->q_vector->rx))
3842 return -EINVAL;
3843 if (ice_get_rc_coalesce(ec,
3844 &vsi->tx_rings[q_num]->q_vector->tx))
3845 return -EINVAL;
3846 } else if (q_num < vsi->num_rxq) {
3847 if (ice_get_rc_coalesce(ec,
3848 &vsi->rx_rings[q_num]->q_vector->rx))
3849 return -EINVAL;
3850 } else if (q_num < vsi->num_txq) {
3851 if (ice_get_rc_coalesce(ec,
3852 &vsi->tx_rings[q_num]->q_vector->tx))
3853 return -EINVAL;
3854 } else {
3855 return -EINVAL;
3856 }
3857
3858 return 0;
3859}
3860
3861/**
3862 * __ice_get_coalesce - get ITR/INTRL values for the device
3863 * @netdev: pointer to the netdev associated with this query
3864 * @ec: ethtool structure to fill with driver's coalesce settings
3865 * @q_num: queue number to get the coalesce settings for
3866 *
3867 * If the caller passes in a negative q_num then we return coalesce settings
3868 * based on queue number 0, else use the actual q_num passed in.
3869 */
3870static int
3871__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3872 int q_num)
3873{
3874 struct ice_netdev_priv *np = netdev_priv(netdev);
3875 struct ice_vsi *vsi = np->vsi;
3876
3877 if (q_num < 0)
3878 q_num = 0;
3879
3880 if (ice_get_q_coalesce(vsi, ec, q_num))
3881 return -EINVAL;
3882
3883 return 0;
3884}
3885
3886static int ice_get_coalesce(struct net_device *netdev,
3887 struct ethtool_coalesce *ec,
3888 struct kernel_ethtool_coalesce *kernel_coal,
3889 struct netlink_ext_ack *extack)
3890{
3891 return __ice_get_coalesce(netdev, ec, -1);
3892}
3893
3894static int
3895ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3896 struct ethtool_coalesce *ec)
3897{
3898 return __ice_get_coalesce(netdev, ec, q_num);
3899}
3900
3901/**
3902 * ice_set_rc_coalesce - set ITR values for specific ring container
3903 * @ec: ethtool structure from user to update ITR settings
3904 * @rc: ring container that the ITR values will come from
3905 * @vsi: VSI associated to the ring container
3906 *
3907 * Set specific ITR values. This is done per ice_ring_container because each
3908 * q_vector can have 1 or more rings and all of said ring(s) will have the same
3909 * ITR values.
3910 *
3911 * Returns 0 on success, negative otherwise.
3912 */
3913static int
3914ice_set_rc_coalesce(struct ethtool_coalesce *ec,
3915 struct ice_ring_container *rc, struct ice_vsi *vsi)
3916{
3917 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
3918 u32 use_adaptive_coalesce, coalesce_usecs;
3919 struct ice_pf *pf = vsi->back;
3920 u16 itr_setting;
3921
3922 if (!rc->rx_ring)
3923 return -EINVAL;
3924
3925 switch (rc->type) {
3926 case ICE_RX_CONTAINER:
3927 {
3928 struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
3929
3930 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3931 (ec->rx_coalesce_usecs_high &&
3932 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3933 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3934 c_type_str, pf->hw.intrl_gran,
3935 ICE_MAX_INTRL);
3936 return -EINVAL;
3937 }
3938 if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
3939 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
3940 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
3941 c_type_str);
3942 return -EINVAL;
3943 }
3944 if (ec->rx_coalesce_usecs_high != q_vector->intrl)
3945 q_vector->intrl = ec->rx_coalesce_usecs_high;
3946
3947 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3948 coalesce_usecs = ec->rx_coalesce_usecs;
3949
3950 break;
3951 }
3952 case ICE_TX_CONTAINER:
3953 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3954 coalesce_usecs = ec->tx_coalesce_usecs;
3955
3956 break;
3957 default:
3958 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3959 rc->type);
3960 return -EINVAL;
3961 }
3962
3963 itr_setting = rc->itr_setting;
3964 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3965 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3966 c_type_str, c_type_str);
3967 return -EINVAL;
3968 }
3969
3970 if (coalesce_usecs > ICE_ITR_MAX) {
3971 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3972 c_type_str, ICE_ITR_MAX);
3973 return -EINVAL;
3974 }
3975
3976 if (use_adaptive_coalesce) {
3977 rc->itr_mode = ITR_DYNAMIC;
3978 } else {
3979 rc->itr_mode = ITR_STATIC;
3980 /* store user facing value how it was set */
3981 rc->itr_setting = coalesce_usecs;
3982 /* write the change to the register */
3983 ice_write_itr(rc, coalesce_usecs);
3984 /* force writes to take effect immediately, the flush shouldn't
3985 * be done in the functions above because the intent is for
3986 * them to do lazy writes.
3987 */
3988 ice_flush(&pf->hw);
3989 }
3990
3991 return 0;
3992}
3993
3994/**
3995 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3996 * @vsi: VSI associated to the queue that need updating
3997 * @ec: coalesce settings to program the device with
3998 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3999 *
4000 * Return 0 on success, and negative under the following conditions:
4001 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
4002 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
4003 */
4004static int
4005ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
4006{
4007 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
4008 if (ice_set_rc_coalesce(ec,
4009 &vsi->rx_rings[q_num]->q_vector->rx,
4010 vsi))
4011 return -EINVAL;
4012
4013 if (ice_set_rc_coalesce(ec,
4014 &vsi->tx_rings[q_num]->q_vector->tx,
4015 vsi))
4016 return -EINVAL;
4017 } else if (q_num < vsi->num_rxq) {
4018 if (ice_set_rc_coalesce(ec,
4019 &vsi->rx_rings[q_num]->q_vector->rx,
4020 vsi))
4021 return -EINVAL;
4022 } else if (q_num < vsi->num_txq) {
4023 if (ice_set_rc_coalesce(ec,
4024 &vsi->tx_rings[q_num]->q_vector->tx,
4025 vsi))
4026 return -EINVAL;
4027 } else {
4028 return -EINVAL;
4029 }
4030
4031 return 0;
4032}
4033
4034/**
4035 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
4036 * @netdev: netdev used for print
4037 * @itr_setting: previous user setting
4038 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
4039 * @coalesce_usecs: requested value of [tx|rx]-usecs
4040 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
4041 */
4042static void
4043ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
4044 u32 use_adaptive_coalesce, u32 coalesce_usecs,
4045 const char *c_type_str)
4046{
4047 if (use_adaptive_coalesce)
4048 return;
4049
4050 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
4051 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
4052 c_type_str, coalesce_usecs, c_type_str,
4053 ITR_REG_ALIGN(coalesce_usecs));
4054}
4055
4056/**
4057 * __ice_set_coalesce - set ITR/INTRL values for the device
4058 * @netdev: pointer to the netdev associated with this query
4059 * @ec: ethtool structure to fill with driver's coalesce settings
4060 * @q_num: queue number to get the coalesce settings for
4061 *
4062 * If the caller passes in a negative q_num then we set the coalesce settings
4063 * for all Tx/Rx queues, else use the actual q_num passed in.
4064 */
4065static int
4066__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
4067 int q_num)
4068{
4069 struct ice_netdev_priv *np = netdev_priv(netdev);
4070 struct ice_vsi *vsi = np->vsi;
4071
4072 if (q_num < 0) {
4073 struct ice_q_vector *q_vector = vsi->q_vectors[0];
4074 int v_idx;
4075
4076 if (q_vector) {
4077 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
4078 ec->use_adaptive_rx_coalesce,
4079 ec->rx_coalesce_usecs, "rx");
4080
4081 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
4082 ec->use_adaptive_tx_coalesce,
4083 ec->tx_coalesce_usecs, "tx");
4084 }
4085
4086 ice_for_each_q_vector(vsi, v_idx) {
4087 /* In some cases if DCB is configured the num_[rx|tx]q
4088 * can be less than vsi->num_q_vectors. This check
4089 * accounts for that so we don't report a false failure
4090 */
4091 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
4092 goto set_complete;
4093
4094 if (ice_set_q_coalesce(vsi, ec, v_idx))
4095 return -EINVAL;
4096
4097 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
4098 }
4099 goto set_complete;
4100 }
4101
4102 if (ice_set_q_coalesce(vsi, ec, q_num))
4103 return -EINVAL;
4104
4105 ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
4106
4107set_complete:
4108 return 0;
4109}
4110
4111static int ice_set_coalesce(struct net_device *netdev,
4112 struct ethtool_coalesce *ec,
4113 struct kernel_ethtool_coalesce *kernel_coal,
4114 struct netlink_ext_ack *extack)
4115{
4116 return __ice_set_coalesce(netdev, ec, -1);
4117}
4118
4119static int
4120ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
4121 struct ethtool_coalesce *ec)
4122{
4123 return __ice_set_coalesce(netdev, ec, q_num);
4124}
4125
4126static void
4127ice_repr_get_drvinfo(struct net_device *netdev,
4128 struct ethtool_drvinfo *drvinfo)
4129{
4130 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4131
4132 if (ice_check_vf_ready_for_cfg(repr->vf))
4133 return;
4134
4135 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
4136}
4137
4138static void
4139ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
4140{
4141 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4142
4143 /* for port representors only ETH_SS_STATS is supported */
4144 if (ice_check_vf_ready_for_cfg(repr->vf) ||
4145 stringset != ETH_SS_STATS)
4146 return;
4147
4148 __ice_get_strings(netdev, stringset, data, repr->src_vsi);
4149}
4150
4151static void
4152ice_repr_get_ethtool_stats(struct net_device *netdev,
4153 struct ethtool_stats __always_unused *stats,
4154 u64 *data)
4155{
4156 struct ice_repr *repr = ice_netdev_to_repr(netdev);
4157
4158 if (ice_check_vf_ready_for_cfg(repr->vf))
4159 return;
4160
4161 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
4162}
4163
4164static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
4165{
4166 switch (sset) {
4167 case ETH_SS_STATS:
4168 return ICE_VSI_STATS_LEN;
4169 default:
4170 return -EOPNOTSUPP;
4171 }
4172}
4173
4174#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
4175#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
4176#define ICE_MODULE_TYPE_SFP 0x03
4177#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
4178#define ICE_MODULE_TYPE_QSFP28 0x11
4179#define ICE_MODULE_SFF_ADDR_MODE 0x04
4180#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
4181#define ICE_MODULE_REVISION_ADDR 0x01
4182#define ICE_MODULE_SFF_8472_COMP 0x5E
4183#define ICE_MODULE_SFF_8472_SWAP 0x5C
4184#define ICE_MODULE_QSFP_MAX_LEN 640
4185
4186/**
4187 * ice_get_module_info - get SFF module type and revision information
4188 * @netdev: network interface device structure
4189 * @modinfo: module EEPROM size and layout information structure
4190 */
4191static int
4192ice_get_module_info(struct net_device *netdev,
4193 struct ethtool_modinfo *modinfo)
4194{
4195 struct ice_netdev_priv *np = netdev_priv(netdev);
4196 struct ice_vsi *vsi = np->vsi;
4197 struct ice_pf *pf = vsi->back;
4198 struct ice_hw *hw = &pf->hw;
4199 u8 sff8472_comp = 0;
4200 u8 sff8472_swap = 0;
4201 u8 sff8636_rev = 0;
4202 u8 value = 0;
4203 int status;
4204
4205 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
4206 0, &value, 1, 0, NULL);
4207 if (status)
4208 return status;
4209
4210 switch (value) {
4211 case ICE_MODULE_TYPE_SFP:
4212 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4213 ICE_MODULE_SFF_8472_COMP, 0x00, 0,
4214 &sff8472_comp, 1, 0, NULL);
4215 if (status)
4216 return status;
4217 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4218 ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
4219 &sff8472_swap, 1, 0, NULL);
4220 if (status)
4221 return status;
4222
4223 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
4224 modinfo->type = ETH_MODULE_SFF_8079;
4225 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4226 } else if (sff8472_comp &&
4227 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
4228 modinfo->type = ETH_MODULE_SFF_8472;
4229 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
4230 } else {
4231 modinfo->type = ETH_MODULE_SFF_8079;
4232 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
4233 }
4234 break;
4235 case ICE_MODULE_TYPE_QSFP_PLUS:
4236 case ICE_MODULE_TYPE_QSFP28:
4237 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
4238 ICE_MODULE_REVISION_ADDR, 0x00, 0,
4239 &sff8636_rev, 1, 0, NULL);
4240 if (status)
4241 return status;
4242 /* Check revision compliance */
4243 if (sff8636_rev > 0x02) {
4244 /* Module is SFF-8636 compliant */
4245 modinfo->type = ETH_MODULE_SFF_8636;
4246 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4247 } else {
4248 modinfo->type = ETH_MODULE_SFF_8436;
4249 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
4250 }
4251 break;
4252 default:
4253 netdev_warn(netdev, "SFF Module Type not recognized.\n");
4254 return -EINVAL;
4255 }
4256 return 0;
4257}
4258
4259/**
4260 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
4261 * @netdev: network interface device structure
4262 * @ee: EEPROM dump request structure
4263 * @data: buffer to be filled with EEPROM contents
4264 */
4265static int
4266ice_get_module_eeprom(struct net_device *netdev,
4267 struct ethtool_eeprom *ee, u8 *data)
4268{
4269 struct ice_netdev_priv *np = netdev_priv(netdev);
4270#define SFF_READ_BLOCK_SIZE 8
4271 u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
4272 u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
4273 struct ice_vsi *vsi = np->vsi;
4274 struct ice_pf *pf = vsi->back;
4275 struct ice_hw *hw = &pf->hw;
4276 bool is_sfp = false;
4277 unsigned int i, j;
4278 u16 offset = 0;
4279 u8 page = 0;
4280 int status;
4281
4282 if (!ee || !ee->len || !data)
4283 return -EINVAL;
4284
4285 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
4286 NULL);
4287 if (status)
4288 return status;
4289
4290 if (value[0] == ICE_MODULE_TYPE_SFP)
4291 is_sfp = true;
4292
4293 memset(data, 0, ee->len);
4294 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
4295 offset = i + ee->offset;
4296 page = 0;
4297
4298 /* Check if we need to access the other memory page */
4299 if (is_sfp) {
4300 if (offset >= ETH_MODULE_SFF_8079_LEN) {
4301 offset -= ETH_MODULE_SFF_8079_LEN;
4302 addr = ICE_I2C_EEPROM_DEV_ADDR2;
4303 }
4304 } else {
4305 while (offset >= ETH_MODULE_SFF_8436_LEN) {
4306 /* Compute memory page number and offset. */
4307 offset -= ETH_MODULE_SFF_8436_LEN / 2;
4308 page++;
4309 }
4310 }
4311
4312 /* Bit 2 of EEPROM address 0x02 declares upper
4313 * pages are disabled on QSFP modules.
4314 * SFP modules only ever use page 0.
4315 */
4316 if (page == 0 || !(data[0x2] & 0x4)) {
4317 /* If i2c bus is busy due to slow page change or
4318 * link management access, call can fail. This is normal.
4319 * So we retry this a few times.
4320 */
4321 for (j = 0; j < 4; j++) {
4322 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
4323 !is_sfp, value,
4324 SFF_READ_BLOCK_SIZE,
4325 0, NULL);
4326 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
4327 addr, offset, page, is_sfp,
4328 value[0], value[1], value[2], value[3],
4329 value[4], value[5], value[6], value[7],
4330 status);
4331 if (status) {
4332 usleep_range(1500, 2500);
4333 memset(value, 0, SFF_READ_BLOCK_SIZE);
4334 continue;
4335 }
4336 break;
4337 }
4338
4339 /* Make sure we have enough room for the new block */
4340 if ((i + SFF_READ_BLOCK_SIZE) < ee->len)
4341 memcpy(data + i, value, SFF_READ_BLOCK_SIZE);
4342 }
4343 }
4344 return 0;
4345}
4346
4347static const struct ethtool_ops ice_ethtool_ops = {
4348 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4349 ETHTOOL_COALESCE_USE_ADAPTIVE |
4350 ETHTOOL_COALESCE_RX_USECS_HIGH,
4351 .get_link_ksettings = ice_get_link_ksettings,
4352 .set_link_ksettings = ice_set_link_ksettings,
4353 .get_drvinfo = ice_get_drvinfo,
4354 .get_regs_len = ice_get_regs_len,
4355 .get_regs = ice_get_regs,
4356 .get_wol = ice_get_wol,
4357 .set_wol = ice_set_wol,
4358 .get_msglevel = ice_get_msglevel,
4359 .set_msglevel = ice_set_msglevel,
4360 .self_test = ice_self_test,
4361 .get_link = ethtool_op_get_link,
4362 .get_eeprom_len = ice_get_eeprom_len,
4363 .get_eeprom = ice_get_eeprom,
4364 .get_coalesce = ice_get_coalesce,
4365 .set_coalesce = ice_set_coalesce,
4366 .get_strings = ice_get_strings,
4367 .set_phys_id = ice_set_phys_id,
4368 .get_ethtool_stats = ice_get_ethtool_stats,
4369 .get_priv_flags = ice_get_priv_flags,
4370 .set_priv_flags = ice_set_priv_flags,
4371 .get_sset_count = ice_get_sset_count,
4372 .get_rxnfc = ice_get_rxnfc,
4373 .set_rxnfc = ice_set_rxnfc,
4374 .get_ringparam = ice_get_ringparam,
4375 .set_ringparam = ice_set_ringparam,
4376 .nway_reset = ice_nway_reset,
4377 .get_pauseparam = ice_get_pauseparam,
4378 .set_pauseparam = ice_set_pauseparam,
4379 .get_rxfh_key_size = ice_get_rxfh_key_size,
4380 .get_rxfh_indir_size = ice_get_rxfh_indir_size,
4381 .get_rxfh_context = ice_get_rxfh_context,
4382 .get_rxfh = ice_get_rxfh,
4383 .set_rxfh = ice_set_rxfh,
4384 .get_channels = ice_get_channels,
4385 .set_channels = ice_set_channels,
4386 .get_ts_info = ice_get_ts_info,
4387 .get_per_queue_coalesce = ice_get_per_q_coalesce,
4388 .set_per_queue_coalesce = ice_set_per_q_coalesce,
4389 .get_fecparam = ice_get_fecparam,
4390 .set_fecparam = ice_set_fecparam,
4391 .get_module_info = ice_get_module_info,
4392 .get_module_eeprom = ice_get_module_eeprom,
4393};
4394
4395static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4396 .get_link_ksettings = ice_get_link_ksettings,
4397 .set_link_ksettings = ice_set_link_ksettings,
4398 .get_drvinfo = ice_get_drvinfo,
4399 .get_regs_len = ice_get_regs_len,
4400 .get_regs = ice_get_regs,
4401 .get_wol = ice_get_wol,
4402 .set_wol = ice_set_wol,
4403 .get_msglevel = ice_get_msglevel,
4404 .set_msglevel = ice_set_msglevel,
4405 .get_link = ethtool_op_get_link,
4406 .get_eeprom_len = ice_get_eeprom_len,
4407 .get_eeprom = ice_get_eeprom,
4408 .get_strings = ice_get_strings,
4409 .get_ethtool_stats = ice_get_ethtool_stats,
4410 .get_sset_count = ice_get_sset_count,
4411 .get_ringparam = ice_get_ringparam,
4412 .set_ringparam = ice_set_ringparam,
4413 .nway_reset = ice_nway_reset,
4414 .get_channels = ice_get_channels,
4415};
4416
4417/**
4418 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4419 * @netdev: network interface device structure
4420 */
4421void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4422{
4423 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4424}
4425
4426static const struct ethtool_ops ice_ethtool_repr_ops = {
4427 .get_drvinfo = ice_repr_get_drvinfo,
4428 .get_link = ethtool_op_get_link,
4429 .get_strings = ice_repr_get_strings,
4430 .get_ethtool_stats = ice_repr_get_ethtool_stats,
4431 .get_sset_count = ice_repr_get_sset_count,
4432};
4433
4434/**
4435 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
4436 * @netdev: network interface device structure
4437 */
4438void ice_set_ethtool_repr_ops(struct net_device *netdev)
4439{
4440 netdev->ethtool_ops = &ice_ethtool_repr_ops;
4441}
4442
4443/**
4444 * ice_set_ethtool_ops - setup netdev ethtool ops
4445 * @netdev: network interface device structure
4446 *
4447 * setup netdev ethtool ops with ice specific ops
4448 */
4449void ice_set_ethtool_ops(struct net_device *netdev)
4450{
4451 netdev->ethtool_ops = &ice_ethtool_ops;
4452}