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