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ACPI / PCI: fix acpi_pci_irq_enable() memory leak
[mirror_ubuntu-focal-kernel.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
1 /* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2014-2016 Broadcom Corporation
4 * Copyright (c) 2016-2017 Broadcom Limited
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
9 */
10
11 #include <linux/ctype.h>
12 #include <linux/stringify.h>
13 #include <linux/ethtool.h>
14 #include <linux/interrupt.h>
15 #include <linux/pci.h>
16 #include <linux/etherdevice.h>
17 #include <linux/crc32.h>
18 #include <linux/firmware.h>
19 #include <linux/utsname.h>
20 #include <linux/time.h>
21 #include "bnxt_hsi.h"
22 #include "bnxt.h"
23 #include "bnxt_xdp.h"
24 #include "bnxt_ethtool.h"
25 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
26 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
27 #include "bnxt_coredump.h"
28 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
29 #define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
30 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
31
32 static u32 bnxt_get_msglevel(struct net_device *dev)
33 {
34 struct bnxt *bp = netdev_priv(dev);
35
36 return bp->msg_enable;
37 }
38
39 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
40 {
41 struct bnxt *bp = netdev_priv(dev);
42
43 bp->msg_enable = value;
44 }
45
46 static int bnxt_get_coalesce(struct net_device *dev,
47 struct ethtool_coalesce *coal)
48 {
49 struct bnxt *bp = netdev_priv(dev);
50 struct bnxt_coal *hw_coal;
51 u16 mult;
52
53 memset(coal, 0, sizeof(*coal));
54
55 coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
56
57 hw_coal = &bp->rx_coal;
58 mult = hw_coal->bufs_per_record;
59 coal->rx_coalesce_usecs = hw_coal->coal_ticks;
60 coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
61 coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
62 coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
63
64 hw_coal = &bp->tx_coal;
65 mult = hw_coal->bufs_per_record;
66 coal->tx_coalesce_usecs = hw_coal->coal_ticks;
67 coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
68 coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
69 coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
70
71 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
72
73 return 0;
74 }
75
76 static int bnxt_set_coalesce(struct net_device *dev,
77 struct ethtool_coalesce *coal)
78 {
79 struct bnxt *bp = netdev_priv(dev);
80 bool update_stats = false;
81 struct bnxt_coal *hw_coal;
82 int rc = 0;
83 u16 mult;
84
85 if (coal->use_adaptive_rx_coalesce) {
86 bp->flags |= BNXT_FLAG_DIM;
87 } else {
88 if (bp->flags & BNXT_FLAG_DIM) {
89 bp->flags &= ~(BNXT_FLAG_DIM);
90 goto reset_coalesce;
91 }
92 }
93
94 hw_coal = &bp->rx_coal;
95 mult = hw_coal->bufs_per_record;
96 hw_coal->coal_ticks = coal->rx_coalesce_usecs;
97 hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
98 hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
99 hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
100
101 hw_coal = &bp->tx_coal;
102 mult = hw_coal->bufs_per_record;
103 hw_coal->coal_ticks = coal->tx_coalesce_usecs;
104 hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
105 hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
106 hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
107
108 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
109 u32 stats_ticks = coal->stats_block_coalesce_usecs;
110
111 /* Allow 0, which means disable. */
112 if (stats_ticks)
113 stats_ticks = clamp_t(u32, stats_ticks,
114 BNXT_MIN_STATS_COAL_TICKS,
115 BNXT_MAX_STATS_COAL_TICKS);
116 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
117 bp->stats_coal_ticks = stats_ticks;
118 if (bp->stats_coal_ticks)
119 bp->current_interval =
120 bp->stats_coal_ticks * HZ / 1000000;
121 else
122 bp->current_interval = BNXT_TIMER_INTERVAL;
123 update_stats = true;
124 }
125
126 reset_coalesce:
127 if (netif_running(dev)) {
128 if (update_stats) {
129 rc = bnxt_close_nic(bp, true, false);
130 if (!rc)
131 rc = bnxt_open_nic(bp, true, false);
132 } else {
133 rc = bnxt_hwrm_set_coal(bp);
134 }
135 }
136
137 return rc;
138 }
139
140 #define BNXT_NUM_STATS 22
141
142 #define BNXT_RX_STATS_ENTRY(counter) \
143 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
144
145 #define BNXT_TX_STATS_ENTRY(counter) \
146 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
147
148 #define BNXT_RX_STATS_EXT_ENTRY(counter) \
149 { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
150
151 #define BNXT_TX_STATS_EXT_ENTRY(counter) \
152 { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
153
154 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n) \
155 BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us), \
156 BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
157
158 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n) \
159 BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us), \
160 BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
161
162 #define BNXT_RX_STATS_EXT_PFC_ENTRIES \
163 BNXT_RX_STATS_EXT_PFC_ENTRY(0), \
164 BNXT_RX_STATS_EXT_PFC_ENTRY(1), \
165 BNXT_RX_STATS_EXT_PFC_ENTRY(2), \
166 BNXT_RX_STATS_EXT_PFC_ENTRY(3), \
167 BNXT_RX_STATS_EXT_PFC_ENTRY(4), \
168 BNXT_RX_STATS_EXT_PFC_ENTRY(5), \
169 BNXT_RX_STATS_EXT_PFC_ENTRY(6), \
170 BNXT_RX_STATS_EXT_PFC_ENTRY(7)
171
172 #define BNXT_TX_STATS_EXT_PFC_ENTRIES \
173 BNXT_TX_STATS_EXT_PFC_ENTRY(0), \
174 BNXT_TX_STATS_EXT_PFC_ENTRY(1), \
175 BNXT_TX_STATS_EXT_PFC_ENTRY(2), \
176 BNXT_TX_STATS_EXT_PFC_ENTRY(3), \
177 BNXT_TX_STATS_EXT_PFC_ENTRY(4), \
178 BNXT_TX_STATS_EXT_PFC_ENTRY(5), \
179 BNXT_TX_STATS_EXT_PFC_ENTRY(6), \
180 BNXT_TX_STATS_EXT_PFC_ENTRY(7)
181
182 #define BNXT_RX_STATS_EXT_COS_ENTRY(n) \
183 BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n), \
184 BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
185
186 #define BNXT_TX_STATS_EXT_COS_ENTRY(n) \
187 BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n), \
188 BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
189
190 #define BNXT_RX_STATS_EXT_COS_ENTRIES \
191 BNXT_RX_STATS_EXT_COS_ENTRY(0), \
192 BNXT_RX_STATS_EXT_COS_ENTRY(1), \
193 BNXT_RX_STATS_EXT_COS_ENTRY(2), \
194 BNXT_RX_STATS_EXT_COS_ENTRY(3), \
195 BNXT_RX_STATS_EXT_COS_ENTRY(4), \
196 BNXT_RX_STATS_EXT_COS_ENTRY(5), \
197 BNXT_RX_STATS_EXT_COS_ENTRY(6), \
198 BNXT_RX_STATS_EXT_COS_ENTRY(7) \
199
200 #define BNXT_TX_STATS_EXT_COS_ENTRIES \
201 BNXT_TX_STATS_EXT_COS_ENTRY(0), \
202 BNXT_TX_STATS_EXT_COS_ENTRY(1), \
203 BNXT_TX_STATS_EXT_COS_ENTRY(2), \
204 BNXT_TX_STATS_EXT_COS_ENTRY(3), \
205 BNXT_TX_STATS_EXT_COS_ENTRY(4), \
206 BNXT_TX_STATS_EXT_COS_ENTRY(5), \
207 BNXT_TX_STATS_EXT_COS_ENTRY(6), \
208 BNXT_TX_STATS_EXT_COS_ENTRY(7) \
209
210 #define BNXT_RX_STATS_PRI_ENTRY(counter, n) \
211 { BNXT_RX_STATS_EXT_OFFSET(counter##_cos0), \
212 __stringify(counter##_pri##n) }
213
214 #define BNXT_TX_STATS_PRI_ENTRY(counter, n) \
215 { BNXT_TX_STATS_EXT_OFFSET(counter##_cos0), \
216 __stringify(counter##_pri##n) }
217
218 #define BNXT_RX_STATS_PRI_ENTRIES(counter) \
219 BNXT_RX_STATS_PRI_ENTRY(counter, 0), \
220 BNXT_RX_STATS_PRI_ENTRY(counter, 1), \
221 BNXT_RX_STATS_PRI_ENTRY(counter, 2), \
222 BNXT_RX_STATS_PRI_ENTRY(counter, 3), \
223 BNXT_RX_STATS_PRI_ENTRY(counter, 4), \
224 BNXT_RX_STATS_PRI_ENTRY(counter, 5), \
225 BNXT_RX_STATS_PRI_ENTRY(counter, 6), \
226 BNXT_RX_STATS_PRI_ENTRY(counter, 7)
227
228 #define BNXT_TX_STATS_PRI_ENTRIES(counter) \
229 BNXT_TX_STATS_PRI_ENTRY(counter, 0), \
230 BNXT_TX_STATS_PRI_ENTRY(counter, 1), \
231 BNXT_TX_STATS_PRI_ENTRY(counter, 2), \
232 BNXT_TX_STATS_PRI_ENTRY(counter, 3), \
233 BNXT_TX_STATS_PRI_ENTRY(counter, 4), \
234 BNXT_TX_STATS_PRI_ENTRY(counter, 5), \
235 BNXT_TX_STATS_PRI_ENTRY(counter, 6), \
236 BNXT_TX_STATS_PRI_ENTRY(counter, 7)
237
238 #define BNXT_PCIE_STATS_ENTRY(counter) \
239 { BNXT_PCIE_STATS_OFFSET(counter), __stringify(counter) }
240
241 enum {
242 RX_TOTAL_DISCARDS,
243 TX_TOTAL_DISCARDS,
244 };
245
246 static struct {
247 u64 counter;
248 char string[ETH_GSTRING_LEN];
249 } bnxt_sw_func_stats[] = {
250 {0, "rx_total_discard_pkts"},
251 {0, "tx_total_discard_pkts"},
252 };
253
254 static const struct {
255 long offset;
256 char string[ETH_GSTRING_LEN];
257 } bnxt_port_stats_arr[] = {
258 BNXT_RX_STATS_ENTRY(rx_64b_frames),
259 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
260 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
261 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
262 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
263 BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
264 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
265 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
266 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
267 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
268 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
269 BNXT_RX_STATS_ENTRY(rx_total_frames),
270 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
271 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
272 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
273 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
274 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
275 BNXT_RX_STATS_ENTRY(rx_pause_frames),
276 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
277 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
278 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
279 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
280 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
281 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
282 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
283 BNXT_RX_STATS_ENTRY(rx_good_frames),
284 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
285 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
286 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
287 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
288 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
289 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
290 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
291 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
292 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
293 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
294 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
295 BNXT_RX_STATS_ENTRY(rx_bytes),
296 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
297 BNXT_RX_STATS_ENTRY(rx_runt_frames),
298 BNXT_RX_STATS_ENTRY(rx_stat_discard),
299 BNXT_RX_STATS_ENTRY(rx_stat_err),
300
301 BNXT_TX_STATS_ENTRY(tx_64b_frames),
302 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
303 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
304 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
305 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
306 BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
307 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
308 BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
309 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
310 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
311 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
312 BNXT_TX_STATS_ENTRY(tx_good_frames),
313 BNXT_TX_STATS_ENTRY(tx_total_frames),
314 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
315 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
316 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
317 BNXT_TX_STATS_ENTRY(tx_pause_frames),
318 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
319 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
320 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
321 BNXT_TX_STATS_ENTRY(tx_err),
322 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
323 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
324 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
325 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
326 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
327 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
328 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
329 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
330 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
331 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
332 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
333 BNXT_TX_STATS_ENTRY(tx_total_collisions),
334 BNXT_TX_STATS_ENTRY(tx_bytes),
335 BNXT_TX_STATS_ENTRY(tx_xthol_frames),
336 BNXT_TX_STATS_ENTRY(tx_stat_discard),
337 BNXT_TX_STATS_ENTRY(tx_stat_error),
338 };
339
340 static const struct {
341 long offset;
342 char string[ETH_GSTRING_LEN];
343 } bnxt_port_stats_ext_arr[] = {
344 BNXT_RX_STATS_EXT_ENTRY(link_down_events),
345 BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
346 BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
347 BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
348 BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
349 BNXT_RX_STATS_EXT_COS_ENTRIES,
350 BNXT_RX_STATS_EXT_PFC_ENTRIES,
351 BNXT_RX_STATS_EXT_ENTRY(rx_bits),
352 BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
353 BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
354 BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
355 };
356
357 static const struct {
358 long offset;
359 char string[ETH_GSTRING_LEN];
360 } bnxt_tx_port_stats_ext_arr[] = {
361 BNXT_TX_STATS_EXT_COS_ENTRIES,
362 BNXT_TX_STATS_EXT_PFC_ENTRIES,
363 };
364
365 static const struct {
366 long base_off;
367 char string[ETH_GSTRING_LEN];
368 } bnxt_rx_bytes_pri_arr[] = {
369 BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
370 };
371
372 static const struct {
373 long base_off;
374 char string[ETH_GSTRING_LEN];
375 } bnxt_rx_pkts_pri_arr[] = {
376 BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
377 };
378
379 static const struct {
380 long base_off;
381 char string[ETH_GSTRING_LEN];
382 } bnxt_tx_bytes_pri_arr[] = {
383 BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
384 };
385
386 static const struct {
387 long base_off;
388 char string[ETH_GSTRING_LEN];
389 } bnxt_tx_pkts_pri_arr[] = {
390 BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
391 };
392
393 static const struct {
394 long offset;
395 char string[ETH_GSTRING_LEN];
396 } bnxt_pcie_stats_arr[] = {
397 BNXT_PCIE_STATS_ENTRY(pcie_pl_signal_integrity),
398 BNXT_PCIE_STATS_ENTRY(pcie_dl_signal_integrity),
399 BNXT_PCIE_STATS_ENTRY(pcie_tl_signal_integrity),
400 BNXT_PCIE_STATS_ENTRY(pcie_link_integrity),
401 BNXT_PCIE_STATS_ENTRY(pcie_tx_traffic_rate),
402 BNXT_PCIE_STATS_ENTRY(pcie_rx_traffic_rate),
403 BNXT_PCIE_STATS_ENTRY(pcie_tx_dllp_statistics),
404 BNXT_PCIE_STATS_ENTRY(pcie_rx_dllp_statistics),
405 BNXT_PCIE_STATS_ENTRY(pcie_equalization_time),
406 BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[0]),
407 BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[2]),
408 BNXT_PCIE_STATS_ENTRY(pcie_recovery_histogram),
409 };
410
411 #define BNXT_NUM_SW_FUNC_STATS ARRAY_SIZE(bnxt_sw_func_stats)
412 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
413 #define BNXT_NUM_STATS_PRI \
414 (ARRAY_SIZE(bnxt_rx_bytes_pri_arr) + \
415 ARRAY_SIZE(bnxt_rx_pkts_pri_arr) + \
416 ARRAY_SIZE(bnxt_tx_bytes_pri_arr) + \
417 ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
418 #define BNXT_NUM_PCIE_STATS ARRAY_SIZE(bnxt_pcie_stats_arr)
419
420 static int bnxt_get_num_stats(struct bnxt *bp)
421 {
422 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
423
424 num_stats += BNXT_NUM_SW_FUNC_STATS;
425
426 if (bp->flags & BNXT_FLAG_PORT_STATS)
427 num_stats += BNXT_NUM_PORT_STATS;
428
429 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
430 num_stats += bp->fw_rx_stats_ext_size +
431 bp->fw_tx_stats_ext_size;
432 if (bp->pri2cos_valid)
433 num_stats += BNXT_NUM_STATS_PRI;
434 }
435
436 if (bp->flags & BNXT_FLAG_PCIE_STATS)
437 num_stats += BNXT_NUM_PCIE_STATS;
438
439 return num_stats;
440 }
441
442 static int bnxt_get_sset_count(struct net_device *dev, int sset)
443 {
444 struct bnxt *bp = netdev_priv(dev);
445
446 switch (sset) {
447 case ETH_SS_STATS:
448 return bnxt_get_num_stats(bp);
449 case ETH_SS_TEST:
450 if (!bp->num_tests)
451 return -EOPNOTSUPP;
452 return bp->num_tests;
453 default:
454 return -EOPNOTSUPP;
455 }
456 }
457
458 static void bnxt_get_ethtool_stats(struct net_device *dev,
459 struct ethtool_stats *stats, u64 *buf)
460 {
461 u32 i, j = 0;
462 struct bnxt *bp = netdev_priv(dev);
463 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
464
465 if (!bp->bnapi) {
466 j += BNXT_NUM_STATS * bp->cp_nr_rings + BNXT_NUM_SW_FUNC_STATS;
467 goto skip_ring_stats;
468 }
469
470 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
471 bnxt_sw_func_stats[i].counter = 0;
472
473 for (i = 0; i < bp->cp_nr_rings; i++) {
474 struct bnxt_napi *bnapi = bp->bnapi[i];
475 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
476 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
477 int k;
478
479 for (k = 0; k < stat_fields; j++, k++)
480 buf[j] = le64_to_cpu(hw_stats[k]);
481 buf[j++] = cpr->rx_l4_csum_errors;
482 buf[j++] = cpr->missed_irqs;
483
484 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
485 le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
486 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
487 le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
488 }
489
490 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
491 buf[j] = bnxt_sw_func_stats[i].counter;
492
493 skip_ring_stats:
494 if (bp->flags & BNXT_FLAG_PORT_STATS) {
495 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
496
497 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
498 buf[j] = le64_to_cpu(*(port_stats +
499 bnxt_port_stats_arr[i].offset));
500 }
501 }
502 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
503 __le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
504 __le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
505
506 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
507 buf[j] = le64_to_cpu(*(rx_port_stats_ext +
508 bnxt_port_stats_ext_arr[i].offset));
509 }
510 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
511 buf[j] = le64_to_cpu(*(tx_port_stats_ext +
512 bnxt_tx_port_stats_ext_arr[i].offset));
513 }
514 if (bp->pri2cos_valid) {
515 for (i = 0; i < 8; i++, j++) {
516 long n = bnxt_rx_bytes_pri_arr[i].base_off +
517 bp->pri2cos[i];
518
519 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
520 }
521 for (i = 0; i < 8; i++, j++) {
522 long n = bnxt_rx_pkts_pri_arr[i].base_off +
523 bp->pri2cos[i];
524
525 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
526 }
527 for (i = 0; i < 8; i++, j++) {
528 long n = bnxt_tx_bytes_pri_arr[i].base_off +
529 bp->pri2cos[i];
530
531 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
532 }
533 for (i = 0; i < 8; i++, j++) {
534 long n = bnxt_tx_pkts_pri_arr[i].base_off +
535 bp->pri2cos[i];
536
537 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
538 }
539 }
540 }
541 if (bp->flags & BNXT_FLAG_PCIE_STATS) {
542 __le64 *pcie_stats = (__le64 *)bp->hw_pcie_stats;
543
544 for (i = 0; i < BNXT_NUM_PCIE_STATS; i++, j++) {
545 buf[j] = le64_to_cpu(*(pcie_stats +
546 bnxt_pcie_stats_arr[i].offset));
547 }
548 }
549 }
550
551 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
552 {
553 struct bnxt *bp = netdev_priv(dev);
554 u32 i;
555
556 switch (stringset) {
557 /* The number of strings must match BNXT_NUM_STATS defined above. */
558 case ETH_SS_STATS:
559 for (i = 0; i < bp->cp_nr_rings; i++) {
560 sprintf(buf, "[%d]: rx_ucast_packets", i);
561 buf += ETH_GSTRING_LEN;
562 sprintf(buf, "[%d]: rx_mcast_packets", i);
563 buf += ETH_GSTRING_LEN;
564 sprintf(buf, "[%d]: rx_bcast_packets", i);
565 buf += ETH_GSTRING_LEN;
566 sprintf(buf, "[%d]: rx_discards", i);
567 buf += ETH_GSTRING_LEN;
568 sprintf(buf, "[%d]: rx_drops", i);
569 buf += ETH_GSTRING_LEN;
570 sprintf(buf, "[%d]: rx_ucast_bytes", i);
571 buf += ETH_GSTRING_LEN;
572 sprintf(buf, "[%d]: rx_mcast_bytes", i);
573 buf += ETH_GSTRING_LEN;
574 sprintf(buf, "[%d]: rx_bcast_bytes", i);
575 buf += ETH_GSTRING_LEN;
576 sprintf(buf, "[%d]: tx_ucast_packets", i);
577 buf += ETH_GSTRING_LEN;
578 sprintf(buf, "[%d]: tx_mcast_packets", i);
579 buf += ETH_GSTRING_LEN;
580 sprintf(buf, "[%d]: tx_bcast_packets", i);
581 buf += ETH_GSTRING_LEN;
582 sprintf(buf, "[%d]: tx_discards", i);
583 buf += ETH_GSTRING_LEN;
584 sprintf(buf, "[%d]: tx_drops", i);
585 buf += ETH_GSTRING_LEN;
586 sprintf(buf, "[%d]: tx_ucast_bytes", i);
587 buf += ETH_GSTRING_LEN;
588 sprintf(buf, "[%d]: tx_mcast_bytes", i);
589 buf += ETH_GSTRING_LEN;
590 sprintf(buf, "[%d]: tx_bcast_bytes", i);
591 buf += ETH_GSTRING_LEN;
592 sprintf(buf, "[%d]: tpa_packets", i);
593 buf += ETH_GSTRING_LEN;
594 sprintf(buf, "[%d]: tpa_bytes", i);
595 buf += ETH_GSTRING_LEN;
596 sprintf(buf, "[%d]: tpa_events", i);
597 buf += ETH_GSTRING_LEN;
598 sprintf(buf, "[%d]: tpa_aborts", i);
599 buf += ETH_GSTRING_LEN;
600 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
601 buf += ETH_GSTRING_LEN;
602 sprintf(buf, "[%d]: missed_irqs", i);
603 buf += ETH_GSTRING_LEN;
604 }
605 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
606 strcpy(buf, bnxt_sw_func_stats[i].string);
607 buf += ETH_GSTRING_LEN;
608 }
609
610 if (bp->flags & BNXT_FLAG_PORT_STATS) {
611 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
612 strcpy(buf, bnxt_port_stats_arr[i].string);
613 buf += ETH_GSTRING_LEN;
614 }
615 }
616 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
617 for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
618 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
619 buf += ETH_GSTRING_LEN;
620 }
621 for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
622 strcpy(buf,
623 bnxt_tx_port_stats_ext_arr[i].string);
624 buf += ETH_GSTRING_LEN;
625 }
626 if (bp->pri2cos_valid) {
627 for (i = 0; i < 8; i++) {
628 strcpy(buf,
629 bnxt_rx_bytes_pri_arr[i].string);
630 buf += ETH_GSTRING_LEN;
631 }
632 for (i = 0; i < 8; i++) {
633 strcpy(buf,
634 bnxt_rx_pkts_pri_arr[i].string);
635 buf += ETH_GSTRING_LEN;
636 }
637 for (i = 0; i < 8; i++) {
638 strcpy(buf,
639 bnxt_tx_bytes_pri_arr[i].string);
640 buf += ETH_GSTRING_LEN;
641 }
642 for (i = 0; i < 8; i++) {
643 strcpy(buf,
644 bnxt_tx_pkts_pri_arr[i].string);
645 buf += ETH_GSTRING_LEN;
646 }
647 }
648 }
649 if (bp->flags & BNXT_FLAG_PCIE_STATS) {
650 for (i = 0; i < BNXT_NUM_PCIE_STATS; i++) {
651 strcpy(buf, bnxt_pcie_stats_arr[i].string);
652 buf += ETH_GSTRING_LEN;
653 }
654 }
655 break;
656 case ETH_SS_TEST:
657 if (bp->num_tests)
658 memcpy(buf, bp->test_info->string,
659 bp->num_tests * ETH_GSTRING_LEN);
660 break;
661 default:
662 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
663 stringset);
664 break;
665 }
666 }
667
668 static void bnxt_get_ringparam(struct net_device *dev,
669 struct ethtool_ringparam *ering)
670 {
671 struct bnxt *bp = netdev_priv(dev);
672
673 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
674 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
675 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
676
677 ering->rx_pending = bp->rx_ring_size;
678 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
679 ering->tx_pending = bp->tx_ring_size;
680 }
681
682 static int bnxt_set_ringparam(struct net_device *dev,
683 struct ethtool_ringparam *ering)
684 {
685 struct bnxt *bp = netdev_priv(dev);
686
687 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
688 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
689 (ering->tx_pending <= MAX_SKB_FRAGS))
690 return -EINVAL;
691
692 if (netif_running(dev))
693 bnxt_close_nic(bp, false, false);
694
695 bp->rx_ring_size = ering->rx_pending;
696 bp->tx_ring_size = ering->tx_pending;
697 bnxt_set_ring_params(bp);
698
699 if (netif_running(dev))
700 return bnxt_open_nic(bp, false, false);
701
702 return 0;
703 }
704
705 static void bnxt_get_channels(struct net_device *dev,
706 struct ethtool_channels *channel)
707 {
708 struct bnxt *bp = netdev_priv(dev);
709 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
710 int max_rx_rings, max_tx_rings, tcs;
711 int max_tx_sch_inputs;
712
713 /* Get the most up-to-date max_tx_sch_inputs. */
714 if (BNXT_NEW_RM(bp))
715 bnxt_hwrm_func_resc_qcaps(bp, false);
716 max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
717
718 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
719 if (max_tx_sch_inputs)
720 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
721 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
722
723 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
724 max_rx_rings = 0;
725 max_tx_rings = 0;
726 }
727 if (max_tx_sch_inputs)
728 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
729
730 tcs = netdev_get_num_tc(dev);
731 if (tcs > 1)
732 max_tx_rings /= tcs;
733
734 channel->max_rx = max_rx_rings;
735 channel->max_tx = max_tx_rings;
736 channel->max_other = 0;
737 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
738 channel->combined_count = bp->rx_nr_rings;
739 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
740 channel->combined_count--;
741 } else {
742 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
743 channel->rx_count = bp->rx_nr_rings;
744 channel->tx_count = bp->tx_nr_rings_per_tc;
745 }
746 }
747 }
748
749 static int bnxt_set_channels(struct net_device *dev,
750 struct ethtool_channels *channel)
751 {
752 struct bnxt *bp = netdev_priv(dev);
753 int req_tx_rings, req_rx_rings, tcs;
754 bool sh = false;
755 int tx_xdp = 0;
756 int rc = 0;
757
758 if (channel->other_count)
759 return -EINVAL;
760
761 if (!channel->combined_count &&
762 (!channel->rx_count || !channel->tx_count))
763 return -EINVAL;
764
765 if (channel->combined_count &&
766 (channel->rx_count || channel->tx_count))
767 return -EINVAL;
768
769 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
770 channel->tx_count))
771 return -EINVAL;
772
773 if (channel->combined_count)
774 sh = true;
775
776 tcs = netdev_get_num_tc(dev);
777
778 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
779 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
780 if (bp->tx_nr_rings_xdp) {
781 if (!sh) {
782 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
783 return -EINVAL;
784 }
785 tx_xdp = req_rx_rings;
786 }
787 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
788 if (rc) {
789 netdev_warn(dev, "Unable to allocate the requested rings\n");
790 return rc;
791 }
792
793 if (netif_running(dev)) {
794 if (BNXT_PF(bp)) {
795 /* TODO CHIMP_FW: Send message to all VF's
796 * before PF unload
797 */
798 }
799 rc = bnxt_close_nic(bp, true, false);
800 if (rc) {
801 netdev_err(bp->dev, "Set channel failure rc :%x\n",
802 rc);
803 return rc;
804 }
805 }
806
807 if (sh) {
808 bp->flags |= BNXT_FLAG_SHARED_RINGS;
809 bp->rx_nr_rings = channel->combined_count;
810 bp->tx_nr_rings_per_tc = channel->combined_count;
811 } else {
812 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
813 bp->rx_nr_rings = channel->rx_count;
814 bp->tx_nr_rings_per_tc = channel->tx_count;
815 }
816 bp->tx_nr_rings_xdp = tx_xdp;
817 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
818 if (tcs > 1)
819 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
820
821 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
822 bp->tx_nr_rings + bp->rx_nr_rings;
823
824 /* After changing number of rx channels, update NTUPLE feature. */
825 netdev_update_features(dev);
826 if (netif_running(dev)) {
827 rc = bnxt_open_nic(bp, true, false);
828 if ((!rc) && BNXT_PF(bp)) {
829 /* TODO CHIMP_FW: Send message to all VF's
830 * to renable
831 */
832 }
833 } else {
834 rc = bnxt_reserve_rings(bp, true);
835 }
836
837 return rc;
838 }
839
840 #ifdef CONFIG_RFS_ACCEL
841 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
842 u32 *rule_locs)
843 {
844 int i, j = 0;
845
846 cmd->data = bp->ntp_fltr_count;
847 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
848 struct hlist_head *head;
849 struct bnxt_ntuple_filter *fltr;
850
851 head = &bp->ntp_fltr_hash_tbl[i];
852 rcu_read_lock();
853 hlist_for_each_entry_rcu(fltr, head, hash) {
854 if (j == cmd->rule_cnt)
855 break;
856 rule_locs[j++] = fltr->sw_id;
857 }
858 rcu_read_unlock();
859 if (j == cmd->rule_cnt)
860 break;
861 }
862 cmd->rule_cnt = j;
863 return 0;
864 }
865
866 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
867 {
868 struct ethtool_rx_flow_spec *fs =
869 (struct ethtool_rx_flow_spec *)&cmd->fs;
870 struct bnxt_ntuple_filter *fltr;
871 struct flow_keys *fkeys;
872 int i, rc = -EINVAL;
873
874 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
875 return rc;
876
877 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
878 struct hlist_head *head;
879
880 head = &bp->ntp_fltr_hash_tbl[i];
881 rcu_read_lock();
882 hlist_for_each_entry_rcu(fltr, head, hash) {
883 if (fltr->sw_id == fs->location)
884 goto fltr_found;
885 }
886 rcu_read_unlock();
887 }
888 return rc;
889
890 fltr_found:
891 fkeys = &fltr->fkeys;
892 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
893 if (fkeys->basic.ip_proto == IPPROTO_TCP)
894 fs->flow_type = TCP_V4_FLOW;
895 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
896 fs->flow_type = UDP_V4_FLOW;
897 else
898 goto fltr_err;
899
900 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
901 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
902
903 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
904 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
905
906 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
907 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
908
909 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
910 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
911 } else {
912 int i;
913
914 if (fkeys->basic.ip_proto == IPPROTO_TCP)
915 fs->flow_type = TCP_V6_FLOW;
916 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
917 fs->flow_type = UDP_V6_FLOW;
918 else
919 goto fltr_err;
920
921 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
922 fkeys->addrs.v6addrs.src;
923 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
924 fkeys->addrs.v6addrs.dst;
925 for (i = 0; i < 4; i++) {
926 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
927 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
928 }
929 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
930 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
931
932 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
933 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
934 }
935
936 fs->ring_cookie = fltr->rxq;
937 rc = 0;
938
939 fltr_err:
940 rcu_read_unlock();
941
942 return rc;
943 }
944 #endif
945
946 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
947 {
948 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
949 return RXH_IP_SRC | RXH_IP_DST;
950 return 0;
951 }
952
953 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
954 {
955 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
956 return RXH_IP_SRC | RXH_IP_DST;
957 return 0;
958 }
959
960 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
961 {
962 cmd->data = 0;
963 switch (cmd->flow_type) {
964 case TCP_V4_FLOW:
965 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
966 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
967 RXH_L4_B_0_1 | RXH_L4_B_2_3;
968 cmd->data |= get_ethtool_ipv4_rss(bp);
969 break;
970 case UDP_V4_FLOW:
971 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
972 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
973 RXH_L4_B_0_1 | RXH_L4_B_2_3;
974 /* fall through */
975 case SCTP_V4_FLOW:
976 case AH_ESP_V4_FLOW:
977 case AH_V4_FLOW:
978 case ESP_V4_FLOW:
979 case IPV4_FLOW:
980 cmd->data |= get_ethtool_ipv4_rss(bp);
981 break;
982
983 case TCP_V6_FLOW:
984 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
985 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
986 RXH_L4_B_0_1 | RXH_L4_B_2_3;
987 cmd->data |= get_ethtool_ipv6_rss(bp);
988 break;
989 case UDP_V6_FLOW:
990 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
991 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
992 RXH_L4_B_0_1 | RXH_L4_B_2_3;
993 /* fall through */
994 case SCTP_V6_FLOW:
995 case AH_ESP_V6_FLOW:
996 case AH_V6_FLOW:
997 case ESP_V6_FLOW:
998 case IPV6_FLOW:
999 cmd->data |= get_ethtool_ipv6_rss(bp);
1000 break;
1001 }
1002 return 0;
1003 }
1004
1005 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1006 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1007
1008 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1009 {
1010 u32 rss_hash_cfg = bp->rss_hash_cfg;
1011 int tuple, rc = 0;
1012
1013 if (cmd->data == RXH_4TUPLE)
1014 tuple = 4;
1015 else if (cmd->data == RXH_2TUPLE)
1016 tuple = 2;
1017 else if (!cmd->data)
1018 tuple = 0;
1019 else
1020 return -EINVAL;
1021
1022 if (cmd->flow_type == TCP_V4_FLOW) {
1023 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1024 if (tuple == 4)
1025 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1026 } else if (cmd->flow_type == UDP_V4_FLOW) {
1027 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1028 return -EINVAL;
1029 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1030 if (tuple == 4)
1031 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1032 } else if (cmd->flow_type == TCP_V6_FLOW) {
1033 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1034 if (tuple == 4)
1035 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1036 } else if (cmd->flow_type == UDP_V6_FLOW) {
1037 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1038 return -EINVAL;
1039 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1040 if (tuple == 4)
1041 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1042 } else if (tuple == 4) {
1043 return -EINVAL;
1044 }
1045
1046 switch (cmd->flow_type) {
1047 case TCP_V4_FLOW:
1048 case UDP_V4_FLOW:
1049 case SCTP_V4_FLOW:
1050 case AH_ESP_V4_FLOW:
1051 case AH_V4_FLOW:
1052 case ESP_V4_FLOW:
1053 case IPV4_FLOW:
1054 if (tuple == 2)
1055 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1056 else if (!tuple)
1057 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1058 break;
1059
1060 case TCP_V6_FLOW:
1061 case UDP_V6_FLOW:
1062 case SCTP_V6_FLOW:
1063 case AH_ESP_V6_FLOW:
1064 case AH_V6_FLOW:
1065 case ESP_V6_FLOW:
1066 case IPV6_FLOW:
1067 if (tuple == 2)
1068 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1069 else if (!tuple)
1070 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1071 break;
1072 }
1073
1074 if (bp->rss_hash_cfg == rss_hash_cfg)
1075 return 0;
1076
1077 bp->rss_hash_cfg = rss_hash_cfg;
1078 if (netif_running(bp->dev)) {
1079 bnxt_close_nic(bp, false, false);
1080 rc = bnxt_open_nic(bp, false, false);
1081 }
1082 return rc;
1083 }
1084
1085 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1086 u32 *rule_locs)
1087 {
1088 struct bnxt *bp = netdev_priv(dev);
1089 int rc = 0;
1090
1091 switch (cmd->cmd) {
1092 #ifdef CONFIG_RFS_ACCEL
1093 case ETHTOOL_GRXRINGS:
1094 cmd->data = bp->rx_nr_rings;
1095 break;
1096
1097 case ETHTOOL_GRXCLSRLCNT:
1098 cmd->rule_cnt = bp->ntp_fltr_count;
1099 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1100 break;
1101
1102 case ETHTOOL_GRXCLSRLALL:
1103 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1104 break;
1105
1106 case ETHTOOL_GRXCLSRULE:
1107 rc = bnxt_grxclsrule(bp, cmd);
1108 break;
1109 #endif
1110
1111 case ETHTOOL_GRXFH:
1112 rc = bnxt_grxfh(bp, cmd);
1113 break;
1114
1115 default:
1116 rc = -EOPNOTSUPP;
1117 break;
1118 }
1119
1120 return rc;
1121 }
1122
1123 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1124 {
1125 struct bnxt *bp = netdev_priv(dev);
1126 int rc;
1127
1128 switch (cmd->cmd) {
1129 case ETHTOOL_SRXFH:
1130 rc = bnxt_srxfh(bp, cmd);
1131 break;
1132
1133 default:
1134 rc = -EOPNOTSUPP;
1135 break;
1136 }
1137 return rc;
1138 }
1139
1140 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1141 {
1142 return HW_HASH_INDEX_SIZE;
1143 }
1144
1145 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1146 {
1147 return HW_HASH_KEY_SIZE;
1148 }
1149
1150 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1151 u8 *hfunc)
1152 {
1153 struct bnxt *bp = netdev_priv(dev);
1154 struct bnxt_vnic_info *vnic;
1155 int i = 0;
1156
1157 if (hfunc)
1158 *hfunc = ETH_RSS_HASH_TOP;
1159
1160 if (!bp->vnic_info)
1161 return 0;
1162
1163 vnic = &bp->vnic_info[0];
1164 if (indir && vnic->rss_table) {
1165 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
1166 indir[i] = le16_to_cpu(vnic->rss_table[i]);
1167 }
1168
1169 if (key && vnic->rss_hash_key)
1170 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1171
1172 return 0;
1173 }
1174
1175 static void bnxt_get_drvinfo(struct net_device *dev,
1176 struct ethtool_drvinfo *info)
1177 {
1178 struct bnxt *bp = netdev_priv(dev);
1179
1180 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1181 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1182 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1183 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1184 info->n_stats = bnxt_get_num_stats(bp);
1185 info->testinfo_len = bp->num_tests;
1186 /* TODO CHIMP_FW: eeprom dump details */
1187 info->eedump_len = 0;
1188 /* TODO CHIMP FW: reg dump details */
1189 info->regdump_len = 0;
1190 }
1191
1192 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1193 {
1194 struct bnxt *bp = netdev_priv(dev);
1195
1196 wol->supported = 0;
1197 wol->wolopts = 0;
1198 memset(&wol->sopass, 0, sizeof(wol->sopass));
1199 if (bp->flags & BNXT_FLAG_WOL_CAP) {
1200 wol->supported = WAKE_MAGIC;
1201 if (bp->wol)
1202 wol->wolopts = WAKE_MAGIC;
1203 }
1204 }
1205
1206 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1207 {
1208 struct bnxt *bp = netdev_priv(dev);
1209
1210 if (wol->wolopts & ~WAKE_MAGIC)
1211 return -EINVAL;
1212
1213 if (wol->wolopts & WAKE_MAGIC) {
1214 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1215 return -EINVAL;
1216 if (!bp->wol) {
1217 if (bnxt_hwrm_alloc_wol_fltr(bp))
1218 return -EBUSY;
1219 bp->wol = 1;
1220 }
1221 } else {
1222 if (bp->wol) {
1223 if (bnxt_hwrm_free_wol_fltr(bp))
1224 return -EBUSY;
1225 bp->wol = 0;
1226 }
1227 }
1228 return 0;
1229 }
1230
1231 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1232 {
1233 u32 speed_mask = 0;
1234
1235 /* TODO: support 25GB, 40GB, 50GB with different cable type */
1236 /* set the advertised speeds */
1237 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1238 speed_mask |= ADVERTISED_100baseT_Full;
1239 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1240 speed_mask |= ADVERTISED_1000baseT_Full;
1241 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1242 speed_mask |= ADVERTISED_2500baseX_Full;
1243 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1244 speed_mask |= ADVERTISED_10000baseT_Full;
1245 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1246 speed_mask |= ADVERTISED_40000baseCR4_Full;
1247
1248 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1249 speed_mask |= ADVERTISED_Pause;
1250 else if (fw_pause & BNXT_LINK_PAUSE_TX)
1251 speed_mask |= ADVERTISED_Asym_Pause;
1252 else if (fw_pause & BNXT_LINK_PAUSE_RX)
1253 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1254
1255 return speed_mask;
1256 }
1257
1258 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1259 { \
1260 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
1261 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1262 100baseT_Full); \
1263 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
1264 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1265 1000baseT_Full); \
1266 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
1267 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1268 10000baseT_Full); \
1269 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
1270 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1271 25000baseCR_Full); \
1272 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
1273 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1274 40000baseCR4_Full);\
1275 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
1276 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1277 50000baseCR2_Full);\
1278 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
1279 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1280 100000baseCR4_Full);\
1281 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
1282 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1283 Pause); \
1284 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
1285 ethtool_link_ksettings_add_link_mode( \
1286 lk_ksettings, name, Asym_Pause);\
1287 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
1288 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1289 Asym_Pause); \
1290 } \
1291 }
1292
1293 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
1294 { \
1295 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1296 100baseT_Full) || \
1297 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1298 100baseT_Half)) \
1299 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
1300 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1301 1000baseT_Full) || \
1302 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1303 1000baseT_Half)) \
1304 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
1305 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1306 10000baseT_Full)) \
1307 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
1308 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1309 25000baseCR_Full)) \
1310 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
1311 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1312 40000baseCR4_Full)) \
1313 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
1314 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1315 50000baseCR2_Full)) \
1316 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
1317 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1318 100000baseCR4_Full)) \
1319 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
1320 }
1321
1322 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1323 struct ethtool_link_ksettings *lk_ksettings)
1324 {
1325 u16 fw_speeds = link_info->advertising;
1326 u8 fw_pause = 0;
1327
1328 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1329 fw_pause = link_info->auto_pause_setting;
1330
1331 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1332 }
1333
1334 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1335 struct ethtool_link_ksettings *lk_ksettings)
1336 {
1337 u16 fw_speeds = link_info->lp_auto_link_speeds;
1338 u8 fw_pause = 0;
1339
1340 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1341 fw_pause = link_info->lp_pause;
1342
1343 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1344 lp_advertising);
1345 }
1346
1347 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1348 struct ethtool_link_ksettings *lk_ksettings)
1349 {
1350 u16 fw_speeds = link_info->support_speeds;
1351
1352 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1353
1354 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1355 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1356 Asym_Pause);
1357
1358 if (link_info->support_auto_speeds)
1359 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1360 Autoneg);
1361 }
1362
1363 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1364 {
1365 switch (fw_link_speed) {
1366 case BNXT_LINK_SPEED_100MB:
1367 return SPEED_100;
1368 case BNXT_LINK_SPEED_1GB:
1369 return SPEED_1000;
1370 case BNXT_LINK_SPEED_2_5GB:
1371 return SPEED_2500;
1372 case BNXT_LINK_SPEED_10GB:
1373 return SPEED_10000;
1374 case BNXT_LINK_SPEED_20GB:
1375 return SPEED_20000;
1376 case BNXT_LINK_SPEED_25GB:
1377 return SPEED_25000;
1378 case BNXT_LINK_SPEED_40GB:
1379 return SPEED_40000;
1380 case BNXT_LINK_SPEED_50GB:
1381 return SPEED_50000;
1382 case BNXT_LINK_SPEED_100GB:
1383 return SPEED_100000;
1384 default:
1385 return SPEED_UNKNOWN;
1386 }
1387 }
1388
1389 static int bnxt_get_link_ksettings(struct net_device *dev,
1390 struct ethtool_link_ksettings *lk_ksettings)
1391 {
1392 struct bnxt *bp = netdev_priv(dev);
1393 struct bnxt_link_info *link_info = &bp->link_info;
1394 struct ethtool_link_settings *base = &lk_ksettings->base;
1395 u32 ethtool_speed;
1396
1397 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1398 mutex_lock(&bp->link_lock);
1399 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1400
1401 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1402 if (link_info->autoneg) {
1403 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1404 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1405 advertising, Autoneg);
1406 base->autoneg = AUTONEG_ENABLE;
1407 if (link_info->phy_link_status == BNXT_LINK_LINK)
1408 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1409 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1410 if (!netif_carrier_ok(dev))
1411 base->duplex = DUPLEX_UNKNOWN;
1412 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1413 base->duplex = DUPLEX_FULL;
1414 else
1415 base->duplex = DUPLEX_HALF;
1416 } else {
1417 base->autoneg = AUTONEG_DISABLE;
1418 ethtool_speed =
1419 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1420 base->duplex = DUPLEX_HALF;
1421 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1422 base->duplex = DUPLEX_FULL;
1423 }
1424 base->speed = ethtool_speed;
1425
1426 base->port = PORT_NONE;
1427 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1428 base->port = PORT_TP;
1429 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1430 TP);
1431 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1432 TP);
1433 } else {
1434 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1435 FIBRE);
1436 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1437 FIBRE);
1438
1439 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1440 base->port = PORT_DA;
1441 else if (link_info->media_type ==
1442 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1443 base->port = PORT_FIBRE;
1444 }
1445 base->phy_address = link_info->phy_addr;
1446 mutex_unlock(&bp->link_lock);
1447
1448 return 0;
1449 }
1450
1451 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1452 {
1453 struct bnxt *bp = netdev_priv(dev);
1454 struct bnxt_link_info *link_info = &bp->link_info;
1455 u16 support_spds = link_info->support_speeds;
1456 u32 fw_speed = 0;
1457
1458 switch (ethtool_speed) {
1459 case SPEED_100:
1460 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1461 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1462 break;
1463 case SPEED_1000:
1464 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1465 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1466 break;
1467 case SPEED_2500:
1468 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1469 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1470 break;
1471 case SPEED_10000:
1472 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1473 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1474 break;
1475 case SPEED_20000:
1476 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1477 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1478 break;
1479 case SPEED_25000:
1480 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1481 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1482 break;
1483 case SPEED_40000:
1484 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1485 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1486 break;
1487 case SPEED_50000:
1488 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1489 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1490 break;
1491 case SPEED_100000:
1492 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1493 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1494 break;
1495 default:
1496 netdev_err(dev, "unsupported speed!\n");
1497 break;
1498 }
1499 return fw_speed;
1500 }
1501
1502 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1503 {
1504 u16 fw_speed_mask = 0;
1505
1506 /* only support autoneg at speed 100, 1000, and 10000 */
1507 if (advertising & (ADVERTISED_100baseT_Full |
1508 ADVERTISED_100baseT_Half)) {
1509 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1510 }
1511 if (advertising & (ADVERTISED_1000baseT_Full |
1512 ADVERTISED_1000baseT_Half)) {
1513 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1514 }
1515 if (advertising & ADVERTISED_10000baseT_Full)
1516 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1517
1518 if (advertising & ADVERTISED_40000baseCR4_Full)
1519 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1520
1521 return fw_speed_mask;
1522 }
1523
1524 static int bnxt_set_link_ksettings(struct net_device *dev,
1525 const struct ethtool_link_ksettings *lk_ksettings)
1526 {
1527 struct bnxt *bp = netdev_priv(dev);
1528 struct bnxt_link_info *link_info = &bp->link_info;
1529 const struct ethtool_link_settings *base = &lk_ksettings->base;
1530 bool set_pause = false;
1531 u16 fw_advertising = 0;
1532 u32 speed;
1533 int rc = 0;
1534
1535 if (!BNXT_SINGLE_PF(bp))
1536 return -EOPNOTSUPP;
1537
1538 mutex_lock(&bp->link_lock);
1539 if (base->autoneg == AUTONEG_ENABLE) {
1540 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1541 advertising);
1542 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1543 if (!fw_advertising)
1544 link_info->advertising = link_info->support_auto_speeds;
1545 else
1546 link_info->advertising = fw_advertising;
1547 /* any change to autoneg will cause link change, therefore the
1548 * driver should put back the original pause setting in autoneg
1549 */
1550 set_pause = true;
1551 } else {
1552 u16 fw_speed;
1553 u8 phy_type = link_info->phy_type;
1554
1555 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1556 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1557 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1558 netdev_err(dev, "10GBase-T devices must autoneg\n");
1559 rc = -EINVAL;
1560 goto set_setting_exit;
1561 }
1562 if (base->duplex == DUPLEX_HALF) {
1563 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1564 rc = -EINVAL;
1565 goto set_setting_exit;
1566 }
1567 speed = base->speed;
1568 fw_speed = bnxt_get_fw_speed(dev, speed);
1569 if (!fw_speed) {
1570 rc = -EINVAL;
1571 goto set_setting_exit;
1572 }
1573 link_info->req_link_speed = fw_speed;
1574 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1575 link_info->autoneg = 0;
1576 link_info->advertising = 0;
1577 }
1578
1579 if (netif_running(dev))
1580 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1581
1582 set_setting_exit:
1583 mutex_unlock(&bp->link_lock);
1584 return rc;
1585 }
1586
1587 static void bnxt_get_pauseparam(struct net_device *dev,
1588 struct ethtool_pauseparam *epause)
1589 {
1590 struct bnxt *bp = netdev_priv(dev);
1591 struct bnxt_link_info *link_info = &bp->link_info;
1592
1593 if (BNXT_VF(bp))
1594 return;
1595 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1596 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1597 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1598 }
1599
1600 static int bnxt_set_pauseparam(struct net_device *dev,
1601 struct ethtool_pauseparam *epause)
1602 {
1603 int rc = 0;
1604 struct bnxt *bp = netdev_priv(dev);
1605 struct bnxt_link_info *link_info = &bp->link_info;
1606
1607 if (!BNXT_SINGLE_PF(bp))
1608 return -EOPNOTSUPP;
1609
1610 if (epause->autoneg) {
1611 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1612 return -EINVAL;
1613
1614 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1615 if (bp->hwrm_spec_code >= 0x10201)
1616 link_info->req_flow_ctrl =
1617 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1618 } else {
1619 /* when transition from auto pause to force pause,
1620 * force a link change
1621 */
1622 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1623 link_info->force_link_chng = true;
1624 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1625 link_info->req_flow_ctrl = 0;
1626 }
1627 if (epause->rx_pause)
1628 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1629
1630 if (epause->tx_pause)
1631 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1632
1633 if (netif_running(dev))
1634 rc = bnxt_hwrm_set_pause(bp);
1635 return rc;
1636 }
1637
1638 static u32 bnxt_get_link(struct net_device *dev)
1639 {
1640 struct bnxt *bp = netdev_priv(dev);
1641
1642 /* TODO: handle MF, VF, driver close case */
1643 return bp->link_info.link_up;
1644 }
1645
1646 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1647 u16 ext, u16 *index, u32 *item_length,
1648 u32 *data_length);
1649
1650 static int bnxt_flash_nvram(struct net_device *dev,
1651 u16 dir_type,
1652 u16 dir_ordinal,
1653 u16 dir_ext,
1654 u16 dir_attr,
1655 const u8 *data,
1656 size_t data_len)
1657 {
1658 struct bnxt *bp = netdev_priv(dev);
1659 int rc;
1660 struct hwrm_nvm_write_input req = {0};
1661 dma_addr_t dma_handle;
1662 u8 *kmem;
1663
1664 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1665
1666 req.dir_type = cpu_to_le16(dir_type);
1667 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1668 req.dir_ext = cpu_to_le16(dir_ext);
1669 req.dir_attr = cpu_to_le16(dir_attr);
1670 req.dir_data_length = cpu_to_le32(data_len);
1671
1672 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1673 GFP_KERNEL);
1674 if (!kmem) {
1675 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1676 (unsigned)data_len);
1677 return -ENOMEM;
1678 }
1679 memcpy(kmem, data, data_len);
1680 req.host_src_addr = cpu_to_le64(dma_handle);
1681
1682 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1683 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1684
1685 if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
1686 netdev_info(dev,
1687 "PF does not have admin privileges to flash the device\n");
1688 rc = -EACCES;
1689 } else if (rc) {
1690 rc = -EIO;
1691 }
1692 return rc;
1693 }
1694
1695 static int bnxt_firmware_reset(struct net_device *dev,
1696 u16 dir_type)
1697 {
1698 struct hwrm_fw_reset_input req = {0};
1699 struct bnxt *bp = netdev_priv(dev);
1700 int rc;
1701
1702 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1703
1704 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1705 /* (e.g. when firmware isn't already running) */
1706 switch (dir_type) {
1707 case BNX_DIR_TYPE_CHIMP_PATCH:
1708 case BNX_DIR_TYPE_BOOTCODE:
1709 case BNX_DIR_TYPE_BOOTCODE_2:
1710 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1711 /* Self-reset ChiMP upon next PCIe reset: */
1712 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1713 break;
1714 case BNX_DIR_TYPE_APE_FW:
1715 case BNX_DIR_TYPE_APE_PATCH:
1716 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1717 /* Self-reset APE upon next PCIe reset: */
1718 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1719 break;
1720 case BNX_DIR_TYPE_KONG_FW:
1721 case BNX_DIR_TYPE_KONG_PATCH:
1722 req.embedded_proc_type =
1723 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1724 break;
1725 case BNX_DIR_TYPE_BONO_FW:
1726 case BNX_DIR_TYPE_BONO_PATCH:
1727 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1728 break;
1729 case BNXT_FW_RESET_CHIP:
1730 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1731 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1732 break;
1733 case BNXT_FW_RESET_AP:
1734 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
1735 break;
1736 default:
1737 return -EINVAL;
1738 }
1739
1740 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1741 if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
1742 netdev_info(dev,
1743 "PF does not have admin privileges to reset the device\n");
1744 rc = -EACCES;
1745 } else if (rc) {
1746 rc = -EIO;
1747 }
1748 return rc;
1749 }
1750
1751 static int bnxt_flash_firmware(struct net_device *dev,
1752 u16 dir_type,
1753 const u8 *fw_data,
1754 size_t fw_size)
1755 {
1756 int rc = 0;
1757 u16 code_type;
1758 u32 stored_crc;
1759 u32 calculated_crc;
1760 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1761
1762 switch (dir_type) {
1763 case BNX_DIR_TYPE_BOOTCODE:
1764 case BNX_DIR_TYPE_BOOTCODE_2:
1765 code_type = CODE_BOOT;
1766 break;
1767 case BNX_DIR_TYPE_CHIMP_PATCH:
1768 code_type = CODE_CHIMP_PATCH;
1769 break;
1770 case BNX_DIR_TYPE_APE_FW:
1771 code_type = CODE_MCTP_PASSTHRU;
1772 break;
1773 case BNX_DIR_TYPE_APE_PATCH:
1774 code_type = CODE_APE_PATCH;
1775 break;
1776 case BNX_DIR_TYPE_KONG_FW:
1777 code_type = CODE_KONG_FW;
1778 break;
1779 case BNX_DIR_TYPE_KONG_PATCH:
1780 code_type = CODE_KONG_PATCH;
1781 break;
1782 case BNX_DIR_TYPE_BONO_FW:
1783 code_type = CODE_BONO_FW;
1784 break;
1785 case BNX_DIR_TYPE_BONO_PATCH:
1786 code_type = CODE_BONO_PATCH;
1787 break;
1788 default:
1789 netdev_err(dev, "Unsupported directory entry type: %u\n",
1790 dir_type);
1791 return -EINVAL;
1792 }
1793 if (fw_size < sizeof(struct bnxt_fw_header)) {
1794 netdev_err(dev, "Invalid firmware file size: %u\n",
1795 (unsigned int)fw_size);
1796 return -EINVAL;
1797 }
1798 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1799 netdev_err(dev, "Invalid firmware signature: %08X\n",
1800 le32_to_cpu(header->signature));
1801 return -EINVAL;
1802 }
1803 if (header->code_type != code_type) {
1804 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1805 code_type, header->code_type);
1806 return -EINVAL;
1807 }
1808 if (header->device != DEVICE_CUMULUS_FAMILY) {
1809 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1810 DEVICE_CUMULUS_FAMILY, header->device);
1811 return -EINVAL;
1812 }
1813 /* Confirm the CRC32 checksum of the file: */
1814 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1815 sizeof(stored_crc)));
1816 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1817 if (calculated_crc != stored_crc) {
1818 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1819 (unsigned long)stored_crc,
1820 (unsigned long)calculated_crc);
1821 return -EINVAL;
1822 }
1823 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1824 0, 0, fw_data, fw_size);
1825 if (rc == 0) /* Firmware update successful */
1826 rc = bnxt_firmware_reset(dev, dir_type);
1827
1828 return rc;
1829 }
1830
1831 static int bnxt_flash_microcode(struct net_device *dev,
1832 u16 dir_type,
1833 const u8 *fw_data,
1834 size_t fw_size)
1835 {
1836 struct bnxt_ucode_trailer *trailer;
1837 u32 calculated_crc;
1838 u32 stored_crc;
1839 int rc = 0;
1840
1841 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1842 netdev_err(dev, "Invalid microcode file size: %u\n",
1843 (unsigned int)fw_size);
1844 return -EINVAL;
1845 }
1846 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1847 sizeof(*trailer)));
1848 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1849 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1850 le32_to_cpu(trailer->sig));
1851 return -EINVAL;
1852 }
1853 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1854 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1855 dir_type, le16_to_cpu(trailer->dir_type));
1856 return -EINVAL;
1857 }
1858 if (le16_to_cpu(trailer->trailer_length) <
1859 sizeof(struct bnxt_ucode_trailer)) {
1860 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1861 le16_to_cpu(trailer->trailer_length));
1862 return -EINVAL;
1863 }
1864
1865 /* Confirm the CRC32 checksum of the file: */
1866 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1867 sizeof(stored_crc)));
1868 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1869 if (calculated_crc != stored_crc) {
1870 netdev_err(dev,
1871 "CRC32 (%08lX) does not match calculated: %08lX\n",
1872 (unsigned long)stored_crc,
1873 (unsigned long)calculated_crc);
1874 return -EINVAL;
1875 }
1876 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1877 0, 0, fw_data, fw_size);
1878
1879 return rc;
1880 }
1881
1882 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1883 {
1884 switch (dir_type) {
1885 case BNX_DIR_TYPE_CHIMP_PATCH:
1886 case BNX_DIR_TYPE_BOOTCODE:
1887 case BNX_DIR_TYPE_BOOTCODE_2:
1888 case BNX_DIR_TYPE_APE_FW:
1889 case BNX_DIR_TYPE_APE_PATCH:
1890 case BNX_DIR_TYPE_KONG_FW:
1891 case BNX_DIR_TYPE_KONG_PATCH:
1892 case BNX_DIR_TYPE_BONO_FW:
1893 case BNX_DIR_TYPE_BONO_PATCH:
1894 return true;
1895 }
1896
1897 return false;
1898 }
1899
1900 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1901 {
1902 switch (dir_type) {
1903 case BNX_DIR_TYPE_AVS:
1904 case BNX_DIR_TYPE_EXP_ROM_MBA:
1905 case BNX_DIR_TYPE_PCIE:
1906 case BNX_DIR_TYPE_TSCF_UCODE:
1907 case BNX_DIR_TYPE_EXT_PHY:
1908 case BNX_DIR_TYPE_CCM:
1909 case BNX_DIR_TYPE_ISCSI_BOOT:
1910 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1911 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1912 return true;
1913 }
1914
1915 return false;
1916 }
1917
1918 static bool bnxt_dir_type_is_executable(u16 dir_type)
1919 {
1920 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1921 bnxt_dir_type_is_other_exec_format(dir_type);
1922 }
1923
1924 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1925 u16 dir_type,
1926 const char *filename)
1927 {
1928 const struct firmware *fw;
1929 int rc;
1930
1931 rc = request_firmware(&fw, filename, &dev->dev);
1932 if (rc != 0) {
1933 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1934 rc, filename);
1935 return rc;
1936 }
1937 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1938 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1939 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1940 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1941 else
1942 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1943 0, 0, fw->data, fw->size);
1944 release_firmware(fw);
1945 return rc;
1946 }
1947
1948 static int bnxt_flash_package_from_file(struct net_device *dev,
1949 char *filename, u32 install_type)
1950 {
1951 struct bnxt *bp = netdev_priv(dev);
1952 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1953 struct hwrm_nvm_install_update_input install = {0};
1954 const struct firmware *fw;
1955 int rc, hwrm_err = 0;
1956 u32 item_len;
1957 u16 index;
1958
1959 bnxt_hwrm_fw_set_time(bp);
1960
1961 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1962 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1963 &index, &item_len, NULL) != 0) {
1964 netdev_err(dev, "PKG update area not created in nvram\n");
1965 return -ENOBUFS;
1966 }
1967
1968 rc = request_firmware(&fw, filename, &dev->dev);
1969 if (rc != 0) {
1970 netdev_err(dev, "PKG error %d requesting file: %s\n",
1971 rc, filename);
1972 return rc;
1973 }
1974
1975 if (fw->size > item_len) {
1976 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1977 (unsigned long)fw->size);
1978 rc = -EFBIG;
1979 } else {
1980 dma_addr_t dma_handle;
1981 u8 *kmem;
1982 struct hwrm_nvm_modify_input modify = {0};
1983
1984 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1985
1986 modify.dir_idx = cpu_to_le16(index);
1987 modify.len = cpu_to_le32(fw->size);
1988
1989 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1990 &dma_handle, GFP_KERNEL);
1991 if (!kmem) {
1992 netdev_err(dev,
1993 "dma_alloc_coherent failure, length = %u\n",
1994 (unsigned int)fw->size);
1995 rc = -ENOMEM;
1996 } else {
1997 memcpy(kmem, fw->data, fw->size);
1998 modify.host_src_addr = cpu_to_le64(dma_handle);
1999
2000 hwrm_err = hwrm_send_message(bp, &modify,
2001 sizeof(modify),
2002 FLASH_PACKAGE_TIMEOUT);
2003 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
2004 dma_handle);
2005 }
2006 }
2007 release_firmware(fw);
2008 if (rc || hwrm_err)
2009 goto err_exit;
2010
2011 if ((install_type & 0xffff) == 0)
2012 install_type >>= 16;
2013 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
2014 install.install_type = cpu_to_le32(install_type);
2015
2016 mutex_lock(&bp->hwrm_cmd_lock);
2017 hwrm_err = _hwrm_send_message(bp, &install, sizeof(install),
2018 INSTALL_PACKAGE_TIMEOUT);
2019 if (hwrm_err)
2020 goto flash_pkg_exit;
2021
2022 if (resp->error_code) {
2023 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
2024
2025 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2026 install.flags |= cpu_to_le16(
2027 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2028 hwrm_err = _hwrm_send_message(bp, &install,
2029 sizeof(install),
2030 INSTALL_PACKAGE_TIMEOUT);
2031 if (hwrm_err)
2032 goto flash_pkg_exit;
2033 }
2034 }
2035
2036 if (resp->result) {
2037 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2038 (s8)resp->result, (int)resp->problem_item);
2039 rc = -ENOPKG;
2040 }
2041 flash_pkg_exit:
2042 mutex_unlock(&bp->hwrm_cmd_lock);
2043 err_exit:
2044 if (hwrm_err == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
2045 netdev_info(dev,
2046 "PF does not have admin privileges to flash the device\n");
2047 rc = -EACCES;
2048 } else if (hwrm_err) {
2049 rc = -EOPNOTSUPP;
2050 }
2051 return rc;
2052 }
2053
2054 static int bnxt_flash_device(struct net_device *dev,
2055 struct ethtool_flash *flash)
2056 {
2057 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2058 netdev_err(dev, "flashdev not supported from a virtual function\n");
2059 return -EINVAL;
2060 }
2061
2062 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2063 flash->region > 0xffff)
2064 return bnxt_flash_package_from_file(dev, flash->data,
2065 flash->region);
2066
2067 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2068 }
2069
2070 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2071 {
2072 struct bnxt *bp = netdev_priv(dev);
2073 int rc;
2074 struct hwrm_nvm_get_dir_info_input req = {0};
2075 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
2076
2077 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
2078
2079 mutex_lock(&bp->hwrm_cmd_lock);
2080 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2081 if (!rc) {
2082 *entries = le32_to_cpu(output->entries);
2083 *length = le32_to_cpu(output->entry_length);
2084 }
2085 mutex_unlock(&bp->hwrm_cmd_lock);
2086 return rc;
2087 }
2088
2089 static int bnxt_get_eeprom_len(struct net_device *dev)
2090 {
2091 struct bnxt *bp = netdev_priv(dev);
2092
2093 if (BNXT_VF(bp))
2094 return 0;
2095
2096 /* The -1 return value allows the entire 32-bit range of offsets to be
2097 * passed via the ethtool command-line utility.
2098 */
2099 return -1;
2100 }
2101
2102 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2103 {
2104 struct bnxt *bp = netdev_priv(dev);
2105 int rc;
2106 u32 dir_entries;
2107 u32 entry_length;
2108 u8 *buf;
2109 size_t buflen;
2110 dma_addr_t dma_handle;
2111 struct hwrm_nvm_get_dir_entries_input req = {0};
2112
2113 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2114 if (rc != 0)
2115 return rc;
2116
2117 /* Insert 2 bytes of directory info (count and size of entries) */
2118 if (len < 2)
2119 return -EINVAL;
2120
2121 *data++ = dir_entries;
2122 *data++ = entry_length;
2123 len -= 2;
2124 memset(data, 0xff, len);
2125
2126 buflen = dir_entries * entry_length;
2127 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
2128 GFP_KERNEL);
2129 if (!buf) {
2130 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2131 (unsigned)buflen);
2132 return -ENOMEM;
2133 }
2134 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
2135 req.host_dest_addr = cpu_to_le64(dma_handle);
2136 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2137 if (rc == 0)
2138 memcpy(data, buf, len > buflen ? buflen : len);
2139 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
2140 return rc;
2141 }
2142
2143 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2144 u32 length, u8 *data)
2145 {
2146 struct bnxt *bp = netdev_priv(dev);
2147 int rc;
2148 u8 *buf;
2149 dma_addr_t dma_handle;
2150 struct hwrm_nvm_read_input req = {0};
2151
2152 if (!length)
2153 return -EINVAL;
2154
2155 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
2156 GFP_KERNEL);
2157 if (!buf) {
2158 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2159 (unsigned)length);
2160 return -ENOMEM;
2161 }
2162 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
2163 req.host_dest_addr = cpu_to_le64(dma_handle);
2164 req.dir_idx = cpu_to_le16(index);
2165 req.offset = cpu_to_le32(offset);
2166 req.len = cpu_to_le32(length);
2167
2168 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2169 if (rc == 0)
2170 memcpy(data, buf, length);
2171 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
2172 return rc;
2173 }
2174
2175 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2176 u16 ext, u16 *index, u32 *item_length,
2177 u32 *data_length)
2178 {
2179 struct bnxt *bp = netdev_priv(dev);
2180 int rc;
2181 struct hwrm_nvm_find_dir_entry_input req = {0};
2182 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
2183
2184 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
2185 req.enables = 0;
2186 req.dir_idx = 0;
2187 req.dir_type = cpu_to_le16(type);
2188 req.dir_ordinal = cpu_to_le16(ordinal);
2189 req.dir_ext = cpu_to_le16(ext);
2190 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2191 mutex_lock(&bp->hwrm_cmd_lock);
2192 rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2193 if (rc == 0) {
2194 if (index)
2195 *index = le16_to_cpu(output->dir_idx);
2196 if (item_length)
2197 *item_length = le32_to_cpu(output->dir_item_length);
2198 if (data_length)
2199 *data_length = le32_to_cpu(output->dir_data_length);
2200 }
2201 mutex_unlock(&bp->hwrm_cmd_lock);
2202 return rc;
2203 }
2204
2205 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2206 {
2207 char *retval = NULL;
2208 char *p;
2209 char *value;
2210 int field = 0;
2211
2212 if (datalen < 1)
2213 return NULL;
2214 /* null-terminate the log data (removing last '\n'): */
2215 data[datalen - 1] = 0;
2216 for (p = data; *p != 0; p++) {
2217 field = 0;
2218 retval = NULL;
2219 while (*p != 0 && *p != '\n') {
2220 value = p;
2221 while (*p != 0 && *p != '\t' && *p != '\n')
2222 p++;
2223 if (field == desired_field)
2224 retval = value;
2225 if (*p != '\t')
2226 break;
2227 *p = 0;
2228 field++;
2229 p++;
2230 }
2231 if (*p == 0)
2232 break;
2233 *p = 0;
2234 }
2235 return retval;
2236 }
2237
2238 static void bnxt_get_pkgver(struct net_device *dev)
2239 {
2240 struct bnxt *bp = netdev_priv(dev);
2241 u16 index = 0;
2242 char *pkgver;
2243 u32 pkglen;
2244 u8 *pkgbuf;
2245 int len;
2246
2247 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2248 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2249 &index, NULL, &pkglen) != 0)
2250 return;
2251
2252 pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2253 if (!pkgbuf) {
2254 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2255 pkglen);
2256 return;
2257 }
2258
2259 if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
2260 goto err;
2261
2262 pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2263 pkglen);
2264 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2265 len = strlen(bp->fw_ver_str);
2266 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2267 "/pkg %s", pkgver);
2268 }
2269 err:
2270 kfree(pkgbuf);
2271 }
2272
2273 static int bnxt_get_eeprom(struct net_device *dev,
2274 struct ethtool_eeprom *eeprom,
2275 u8 *data)
2276 {
2277 u32 index;
2278 u32 offset;
2279
2280 if (eeprom->offset == 0) /* special offset value to get directory */
2281 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2282
2283 index = eeprom->offset >> 24;
2284 offset = eeprom->offset & 0xffffff;
2285
2286 if (index == 0) {
2287 netdev_err(dev, "unsupported index value: %d\n", index);
2288 return -EINVAL;
2289 }
2290
2291 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2292 }
2293
2294 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2295 {
2296 struct bnxt *bp = netdev_priv(dev);
2297 struct hwrm_nvm_erase_dir_entry_input req = {0};
2298
2299 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
2300 req.dir_idx = cpu_to_le16(index);
2301 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2302 }
2303
2304 static int bnxt_set_eeprom(struct net_device *dev,
2305 struct ethtool_eeprom *eeprom,
2306 u8 *data)
2307 {
2308 struct bnxt *bp = netdev_priv(dev);
2309 u8 index, dir_op;
2310 u16 type, ext, ordinal, attr;
2311
2312 if (!BNXT_PF(bp)) {
2313 netdev_err(dev, "NVM write not supported from a virtual function\n");
2314 return -EINVAL;
2315 }
2316
2317 type = eeprom->magic >> 16;
2318
2319 if (type == 0xffff) { /* special value for directory operations */
2320 index = eeprom->magic & 0xff;
2321 dir_op = eeprom->magic >> 8;
2322 if (index == 0)
2323 return -EINVAL;
2324 switch (dir_op) {
2325 case 0x0e: /* erase */
2326 if (eeprom->offset != ~eeprom->magic)
2327 return -EINVAL;
2328 return bnxt_erase_nvram_directory(dev, index - 1);
2329 default:
2330 return -EINVAL;
2331 }
2332 }
2333
2334 /* Create or re-write an NVM item: */
2335 if (bnxt_dir_type_is_executable(type) == true)
2336 return -EOPNOTSUPP;
2337 ext = eeprom->magic & 0xffff;
2338 ordinal = eeprom->offset >> 16;
2339 attr = eeprom->offset & 0xffff;
2340
2341 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
2342 eeprom->len);
2343 }
2344
2345 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2346 {
2347 struct bnxt *bp = netdev_priv(dev);
2348 struct ethtool_eee *eee = &bp->eee;
2349 struct bnxt_link_info *link_info = &bp->link_info;
2350 u32 advertising =
2351 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2352 int rc = 0;
2353
2354 if (!BNXT_SINGLE_PF(bp))
2355 return -EOPNOTSUPP;
2356
2357 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2358 return -EOPNOTSUPP;
2359
2360 if (!edata->eee_enabled)
2361 goto eee_ok;
2362
2363 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2364 netdev_warn(dev, "EEE requires autoneg\n");
2365 return -EINVAL;
2366 }
2367 if (edata->tx_lpi_enabled) {
2368 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
2369 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
2370 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
2371 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
2372 return -EINVAL;
2373 } else if (!bp->lpi_tmr_hi) {
2374 edata->tx_lpi_timer = eee->tx_lpi_timer;
2375 }
2376 }
2377 if (!edata->advertised) {
2378 edata->advertised = advertising & eee->supported;
2379 } else if (edata->advertised & ~advertising) {
2380 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2381 edata->advertised, advertising);
2382 return -EINVAL;
2383 }
2384
2385 eee->advertised = edata->advertised;
2386 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2387 eee->tx_lpi_timer = edata->tx_lpi_timer;
2388 eee_ok:
2389 eee->eee_enabled = edata->eee_enabled;
2390
2391 if (netif_running(dev))
2392 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2393
2394 return rc;
2395 }
2396
2397 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2398 {
2399 struct bnxt *bp = netdev_priv(dev);
2400
2401 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2402 return -EOPNOTSUPP;
2403
2404 *edata = bp->eee;
2405 if (!bp->eee.eee_enabled) {
2406 /* Preserve tx_lpi_timer so that the last value will be used
2407 * by default when it is re-enabled.
2408 */
2409 edata->advertised = 0;
2410 edata->tx_lpi_enabled = 0;
2411 }
2412
2413 if (!bp->eee.eee_active)
2414 edata->lp_advertised = 0;
2415
2416 return 0;
2417 }
2418
2419 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2420 u16 page_number, u16 start_addr,
2421 u16 data_length, u8 *buf)
2422 {
2423 struct hwrm_port_phy_i2c_read_input req = {0};
2424 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2425 int rc, byte_offset = 0;
2426
2427 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2428 req.i2c_slave_addr = i2c_addr;
2429 req.page_number = cpu_to_le16(page_number);
2430 req.port_id = cpu_to_le16(bp->pf.port_id);
2431 do {
2432 u16 xfer_size;
2433
2434 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2435 data_length -= xfer_size;
2436 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2437 req.data_length = xfer_size;
2438 req.enables = cpu_to_le32(start_addr + byte_offset ?
2439 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2440 mutex_lock(&bp->hwrm_cmd_lock);
2441 rc = _hwrm_send_message(bp, &req, sizeof(req),
2442 HWRM_CMD_TIMEOUT);
2443 if (!rc)
2444 memcpy(buf + byte_offset, output->data, xfer_size);
2445 mutex_unlock(&bp->hwrm_cmd_lock);
2446 byte_offset += xfer_size;
2447 } while (!rc && data_length > 0);
2448
2449 return rc;
2450 }
2451
2452 static int bnxt_get_module_info(struct net_device *dev,
2453 struct ethtool_modinfo *modinfo)
2454 {
2455 u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2456 struct bnxt *bp = netdev_priv(dev);
2457 int rc;
2458
2459 /* No point in going further if phy status indicates
2460 * module is not inserted or if it is powered down or
2461 * if it is of type 10GBase-T
2462 */
2463 if (bp->link_info.module_status >
2464 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2465 return -EOPNOTSUPP;
2466
2467 /* This feature is not supported in older firmware versions */
2468 if (bp->hwrm_spec_code < 0x10202)
2469 return -EOPNOTSUPP;
2470
2471 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
2472 SFF_DIAG_SUPPORT_OFFSET + 1,
2473 data);
2474 if (!rc) {
2475 u8 module_id = data[0];
2476 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2477
2478 switch (module_id) {
2479 case SFF_MODULE_ID_SFP:
2480 modinfo->type = ETH_MODULE_SFF_8472;
2481 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2482 if (!diag_supported)
2483 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2484 break;
2485 case SFF_MODULE_ID_QSFP:
2486 case SFF_MODULE_ID_QSFP_PLUS:
2487 modinfo->type = ETH_MODULE_SFF_8436;
2488 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2489 break;
2490 case SFF_MODULE_ID_QSFP28:
2491 modinfo->type = ETH_MODULE_SFF_8636;
2492 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2493 break;
2494 default:
2495 rc = -EOPNOTSUPP;
2496 break;
2497 }
2498 }
2499 return rc;
2500 }
2501
2502 static int bnxt_get_module_eeprom(struct net_device *dev,
2503 struct ethtool_eeprom *eeprom,
2504 u8 *data)
2505 {
2506 struct bnxt *bp = netdev_priv(dev);
2507 u16 start = eeprom->offset, length = eeprom->len;
2508 int rc = 0;
2509
2510 memset(data, 0, eeprom->len);
2511
2512 /* Read A0 portion of the EEPROM */
2513 if (start < ETH_MODULE_SFF_8436_LEN) {
2514 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2515 length = ETH_MODULE_SFF_8436_LEN - start;
2516 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2517 start, length, data);
2518 if (rc)
2519 return rc;
2520 start += length;
2521 data += length;
2522 length = eeprom->len - length;
2523 }
2524
2525 /* Read A2 portion of the EEPROM */
2526 if (length) {
2527 start -= ETH_MODULE_SFF_8436_LEN;
2528 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2529 start, length, data);
2530 }
2531 return rc;
2532 }
2533
2534 static int bnxt_nway_reset(struct net_device *dev)
2535 {
2536 int rc = 0;
2537
2538 struct bnxt *bp = netdev_priv(dev);
2539 struct bnxt_link_info *link_info = &bp->link_info;
2540
2541 if (!BNXT_SINGLE_PF(bp))
2542 return -EOPNOTSUPP;
2543
2544 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2545 return -EINVAL;
2546
2547 if (netif_running(dev))
2548 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2549
2550 return rc;
2551 }
2552
2553 static int bnxt_set_phys_id(struct net_device *dev,
2554 enum ethtool_phys_id_state state)
2555 {
2556 struct hwrm_port_led_cfg_input req = {0};
2557 struct bnxt *bp = netdev_priv(dev);
2558 struct bnxt_pf_info *pf = &bp->pf;
2559 struct bnxt_led_cfg *led_cfg;
2560 u8 led_state;
2561 __le16 duration;
2562 int i, rc;
2563
2564 if (!bp->num_leds || BNXT_VF(bp))
2565 return -EOPNOTSUPP;
2566
2567 if (state == ETHTOOL_ID_ACTIVE) {
2568 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2569 duration = cpu_to_le16(500);
2570 } else if (state == ETHTOOL_ID_INACTIVE) {
2571 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2572 duration = cpu_to_le16(0);
2573 } else {
2574 return -EINVAL;
2575 }
2576 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2577 req.port_id = cpu_to_le16(pf->port_id);
2578 req.num_leds = bp->num_leds;
2579 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2580 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2581 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2582 led_cfg->led_id = bp->leds[i].led_id;
2583 led_cfg->led_state = led_state;
2584 led_cfg->led_blink_on = duration;
2585 led_cfg->led_blink_off = duration;
2586 led_cfg->led_group_id = bp->leds[i].led_group_id;
2587 }
2588 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2589 if (rc)
2590 rc = -EIO;
2591 return rc;
2592 }
2593
2594 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2595 {
2596 struct hwrm_selftest_irq_input req = {0};
2597
2598 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2599 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2600 }
2601
2602 static int bnxt_test_irq(struct bnxt *bp)
2603 {
2604 int i;
2605
2606 for (i = 0; i < bp->cp_nr_rings; i++) {
2607 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2608 int rc;
2609
2610 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2611 if (rc)
2612 return rc;
2613 }
2614 return 0;
2615 }
2616
2617 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2618 {
2619 struct hwrm_port_mac_cfg_input req = {0};
2620
2621 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2622
2623 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2624 if (enable)
2625 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2626 else
2627 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2628 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2629 }
2630
2631 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
2632 {
2633 struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
2634 struct hwrm_port_phy_qcaps_input req = {0};
2635 int rc;
2636
2637 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
2638 mutex_lock(&bp->hwrm_cmd_lock);
2639 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2640 if (!rc)
2641 *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
2642
2643 mutex_unlock(&bp->hwrm_cmd_lock);
2644 return rc;
2645 }
2646
2647 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2648 struct hwrm_port_phy_cfg_input *req)
2649 {
2650 struct bnxt_link_info *link_info = &bp->link_info;
2651 u16 fw_advertising;
2652 u16 fw_speed;
2653 int rc;
2654
2655 if (!link_info->autoneg)
2656 return 0;
2657
2658 rc = bnxt_query_force_speeds(bp, &fw_advertising);
2659 if (rc)
2660 return rc;
2661
2662 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2663 if (netif_carrier_ok(bp->dev))
2664 fw_speed = bp->link_info.link_speed;
2665 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2666 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2667 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2668 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2669 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2670 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2671 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2672 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2673
2674 req->force_link_speed = cpu_to_le16(fw_speed);
2675 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2676 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2677 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2678 req->flags = 0;
2679 req->force_link_speed = cpu_to_le16(0);
2680 return rc;
2681 }
2682
2683 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2684 {
2685 struct hwrm_port_phy_cfg_input req = {0};
2686
2687 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2688
2689 if (enable) {
2690 bnxt_disable_an_for_lpbk(bp, &req);
2691 if (ext)
2692 req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
2693 else
2694 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2695 } else {
2696 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2697 }
2698 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2699 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2700 }
2701
2702 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2703 u32 raw_cons, int pkt_size)
2704 {
2705 struct bnxt_napi *bnapi = cpr->bnapi;
2706 struct bnxt_rx_ring_info *rxr;
2707 struct bnxt_sw_rx_bd *rx_buf;
2708 struct rx_cmp *rxcmp;
2709 u16 cp_cons, cons;
2710 u8 *data;
2711 u32 len;
2712 int i;
2713
2714 rxr = bnapi->rx_ring;
2715 cp_cons = RING_CMP(raw_cons);
2716 rxcmp = (struct rx_cmp *)
2717 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2718 cons = rxcmp->rx_cmp_opaque;
2719 rx_buf = &rxr->rx_buf_ring[cons];
2720 data = rx_buf->data_ptr;
2721 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2722 if (len != pkt_size)
2723 return -EIO;
2724 i = ETH_ALEN;
2725 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2726 return -EIO;
2727 i += ETH_ALEN;
2728 for ( ; i < pkt_size; i++) {
2729 if (data[i] != (u8)(i & 0xff))
2730 return -EIO;
2731 }
2732 return 0;
2733 }
2734
2735 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2736 int pkt_size)
2737 {
2738 struct tx_cmp *txcmp;
2739 int rc = -EIO;
2740 u32 raw_cons;
2741 u32 cons;
2742 int i;
2743
2744 raw_cons = cpr->cp_raw_cons;
2745 for (i = 0; i < 200; i++) {
2746 cons = RING_CMP(raw_cons);
2747 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2748
2749 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2750 udelay(5);
2751 continue;
2752 }
2753
2754 /* The valid test of the entry must be done first before
2755 * reading any further.
2756 */
2757 dma_rmb();
2758 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2759 rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2760 raw_cons = NEXT_RAW_CMP(raw_cons);
2761 raw_cons = NEXT_RAW_CMP(raw_cons);
2762 break;
2763 }
2764 raw_cons = NEXT_RAW_CMP(raw_cons);
2765 }
2766 cpr->cp_raw_cons = raw_cons;
2767 return rc;
2768 }
2769
2770 static int bnxt_run_loopback(struct bnxt *bp)
2771 {
2772 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2773 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2774 struct bnxt_cp_ring_info *cpr;
2775 int pkt_size, i = 0;
2776 struct sk_buff *skb;
2777 dma_addr_t map;
2778 u8 *data;
2779 int rc;
2780
2781 cpr = &rxr->bnapi->cp_ring;
2782 if (bp->flags & BNXT_FLAG_CHIP_P5)
2783 cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2784 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2785 skb = netdev_alloc_skb(bp->dev, pkt_size);
2786 if (!skb)
2787 return -ENOMEM;
2788 data = skb_put(skb, pkt_size);
2789 eth_broadcast_addr(data);
2790 i += ETH_ALEN;
2791 ether_addr_copy(&data[i], bp->dev->dev_addr);
2792 i += ETH_ALEN;
2793 for ( ; i < pkt_size; i++)
2794 data[i] = (u8)(i & 0xff);
2795
2796 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2797 PCI_DMA_TODEVICE);
2798 if (dma_mapping_error(&bp->pdev->dev, map)) {
2799 dev_kfree_skb(skb);
2800 return -EIO;
2801 }
2802 bnxt_xmit_bd(bp, txr, map, pkt_size);
2803
2804 /* Sync BD data before updating doorbell */
2805 wmb();
2806
2807 bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2808 rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2809
2810 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2811 dev_kfree_skb(skb);
2812 return rc;
2813 }
2814
2815 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2816 {
2817 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2818 struct hwrm_selftest_exec_input req = {0};
2819 int rc;
2820
2821 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2822 mutex_lock(&bp->hwrm_cmd_lock);
2823 resp->test_success = 0;
2824 req.flags = test_mask;
2825 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2826 *test_results = resp->test_success;
2827 mutex_unlock(&bp->hwrm_cmd_lock);
2828 return rc;
2829 }
2830
2831 #define BNXT_DRV_TESTS 4
2832 #define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
2833 #define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
2834 #define BNXT_EXTLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
2835 #define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 3)
2836
2837 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2838 u64 *buf)
2839 {
2840 struct bnxt *bp = netdev_priv(dev);
2841 bool do_ext_lpbk = false;
2842 bool offline = false;
2843 u8 test_results = 0;
2844 u8 test_mask = 0;
2845 int rc = 0, i;
2846
2847 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2848 return;
2849 memset(buf, 0, sizeof(u64) * bp->num_tests);
2850 if (!netif_running(dev)) {
2851 etest->flags |= ETH_TEST_FL_FAILED;
2852 return;
2853 }
2854
2855 if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
2856 (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
2857 do_ext_lpbk = true;
2858
2859 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2860 if (bp->pf.active_vfs) {
2861 etest->flags |= ETH_TEST_FL_FAILED;
2862 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2863 return;
2864 }
2865 offline = true;
2866 }
2867
2868 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2869 u8 bit_val = 1 << i;
2870
2871 if (!(bp->test_info->offline_mask & bit_val))
2872 test_mask |= bit_val;
2873 else if (offline)
2874 test_mask |= bit_val;
2875 }
2876 if (!offline) {
2877 bnxt_run_fw_tests(bp, test_mask, &test_results);
2878 } else {
2879 rc = bnxt_close_nic(bp, false, false);
2880 if (rc)
2881 return;
2882 bnxt_run_fw_tests(bp, test_mask, &test_results);
2883
2884 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2885 bnxt_hwrm_mac_loopback(bp, true);
2886 msleep(250);
2887 rc = bnxt_half_open_nic(bp);
2888 if (rc) {
2889 bnxt_hwrm_mac_loopback(bp, false);
2890 etest->flags |= ETH_TEST_FL_FAILED;
2891 return;
2892 }
2893 if (bnxt_run_loopback(bp))
2894 etest->flags |= ETH_TEST_FL_FAILED;
2895 else
2896 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2897
2898 bnxt_hwrm_mac_loopback(bp, false);
2899 bnxt_hwrm_phy_loopback(bp, true, false);
2900 msleep(1000);
2901 if (bnxt_run_loopback(bp)) {
2902 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2903 etest->flags |= ETH_TEST_FL_FAILED;
2904 }
2905 if (do_ext_lpbk) {
2906 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2907 bnxt_hwrm_phy_loopback(bp, true, true);
2908 msleep(1000);
2909 if (bnxt_run_loopback(bp)) {
2910 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
2911 etest->flags |= ETH_TEST_FL_FAILED;
2912 }
2913 }
2914 bnxt_hwrm_phy_loopback(bp, false, false);
2915 bnxt_half_close_nic(bp);
2916 rc = bnxt_open_nic(bp, false, true);
2917 }
2918 if (rc || bnxt_test_irq(bp)) {
2919 buf[BNXT_IRQ_TEST_IDX] = 1;
2920 etest->flags |= ETH_TEST_FL_FAILED;
2921 }
2922 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2923 u8 bit_val = 1 << i;
2924
2925 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2926 buf[i] = 1;
2927 etest->flags |= ETH_TEST_FL_FAILED;
2928 }
2929 }
2930 }
2931
2932 static int bnxt_reset(struct net_device *dev, u32 *flags)
2933 {
2934 struct bnxt *bp = netdev_priv(dev);
2935 int rc = 0;
2936
2937 if (!BNXT_PF(bp)) {
2938 netdev_err(dev, "Reset is not supported from a VF\n");
2939 return -EOPNOTSUPP;
2940 }
2941
2942 if (pci_vfs_assigned(bp->pdev)) {
2943 netdev_err(dev,
2944 "Reset not allowed when VFs are assigned to VMs\n");
2945 return -EBUSY;
2946 }
2947
2948 if (*flags == ETH_RESET_ALL) {
2949 /* This feature is not supported in older firmware versions */
2950 if (bp->hwrm_spec_code < 0x10803)
2951 return -EOPNOTSUPP;
2952
2953 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2954 if (!rc) {
2955 netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
2956 *flags = 0;
2957 }
2958 } else if (*flags == ETH_RESET_AP) {
2959 /* This feature is not supported in older firmware versions */
2960 if (bp->hwrm_spec_code < 0x10803)
2961 return -EOPNOTSUPP;
2962
2963 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
2964 if (!rc) {
2965 netdev_info(dev, "Reset Application Processor request successful.\n");
2966 *flags = 0;
2967 }
2968 } else {
2969 rc = -EINVAL;
2970 }
2971
2972 return rc;
2973 }
2974
2975 static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
2976 struct bnxt_hwrm_dbg_dma_info *info)
2977 {
2978 struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
2979 struct hwrm_dbg_cmn_input *cmn_req = msg;
2980 __le16 *seq_ptr = msg + info->seq_off;
2981 u16 seq = 0, len, segs_off;
2982 void *resp = cmn_resp;
2983 dma_addr_t dma_handle;
2984 int rc, off = 0;
2985 void *dma_buf;
2986
2987 dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
2988 GFP_KERNEL);
2989 if (!dma_buf)
2990 return -ENOMEM;
2991
2992 segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
2993 total_segments);
2994 cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
2995 cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
2996 mutex_lock(&bp->hwrm_cmd_lock);
2997 while (1) {
2998 *seq_ptr = cpu_to_le16(seq);
2999 rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
3000 if (rc)
3001 break;
3002
3003 len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
3004 if (!seq &&
3005 cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
3006 info->segs = le16_to_cpu(*((__le16 *)(resp +
3007 segs_off)));
3008 if (!info->segs) {
3009 rc = -EIO;
3010 break;
3011 }
3012
3013 info->dest_buf_size = info->segs *
3014 sizeof(struct coredump_segment_record);
3015 info->dest_buf = kmalloc(info->dest_buf_size,
3016 GFP_KERNEL);
3017 if (!info->dest_buf) {
3018 rc = -ENOMEM;
3019 break;
3020 }
3021 }
3022
3023 if (info->dest_buf)
3024 memcpy(info->dest_buf + off, dma_buf, len);
3025
3026 if (cmn_req->req_type ==
3027 cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
3028 info->dest_buf_size += len;
3029
3030 if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
3031 break;
3032
3033 seq++;
3034 off += len;
3035 }
3036 mutex_unlock(&bp->hwrm_cmd_lock);
3037 dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
3038 return rc;
3039 }
3040
3041 static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
3042 struct bnxt_coredump *coredump)
3043 {
3044 struct hwrm_dbg_coredump_list_input req = {0};
3045 struct bnxt_hwrm_dbg_dma_info info = {NULL};
3046 int rc;
3047
3048 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
3049
3050 info.dma_len = COREDUMP_LIST_BUF_LEN;
3051 info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
3052 info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
3053 data_len);
3054
3055 rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3056 if (!rc) {
3057 coredump->data = info.dest_buf;
3058 coredump->data_size = info.dest_buf_size;
3059 coredump->total_segs = info.segs;
3060 }
3061 return rc;
3062 }
3063
3064 static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
3065 u16 segment_id)
3066 {
3067 struct hwrm_dbg_coredump_initiate_input req = {0};
3068
3069 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
3070 req.component_id = cpu_to_le16(component_id);
3071 req.segment_id = cpu_to_le16(segment_id);
3072
3073 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3074 }
3075
3076 static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
3077 u16 segment_id, u32 *seg_len,
3078 void *buf, u32 offset)
3079 {
3080 struct hwrm_dbg_coredump_retrieve_input req = {0};
3081 struct bnxt_hwrm_dbg_dma_info info = {NULL};
3082 int rc;
3083
3084 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
3085 req.component_id = cpu_to_le16(component_id);
3086 req.segment_id = cpu_to_le16(segment_id);
3087
3088 info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
3089 info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
3090 seq_no);
3091 info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
3092 data_len);
3093 if (buf)
3094 info.dest_buf = buf + offset;
3095
3096 rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3097 if (!rc)
3098 *seg_len = info.dest_buf_size;
3099
3100 return rc;
3101 }
3102
3103 static void
3104 bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
3105 struct bnxt_coredump_segment_hdr *seg_hdr,
3106 struct coredump_segment_record *seg_rec, u32 seg_len,
3107 int status, u32 duration, u32 instance)
3108 {
3109 memset(seg_hdr, 0, sizeof(*seg_hdr));
3110 memcpy(seg_hdr->signature, "sEgM", 4);
3111 if (seg_rec) {
3112 seg_hdr->component_id = (__force __le32)seg_rec->component_id;
3113 seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
3114 seg_hdr->low_version = seg_rec->version_low;
3115 seg_hdr->high_version = seg_rec->version_hi;
3116 } else {
3117 /* For hwrm_ver_get response Component id = 2
3118 * and Segment id = 0
3119 */
3120 seg_hdr->component_id = cpu_to_le32(2);
3121 seg_hdr->segment_id = 0;
3122 }
3123 seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
3124 seg_hdr->length = cpu_to_le32(seg_len);
3125 seg_hdr->status = cpu_to_le32(status);
3126 seg_hdr->duration = cpu_to_le32(duration);
3127 seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
3128 seg_hdr->instance = cpu_to_le32(instance);
3129 }
3130
3131 static void
3132 bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
3133 time64_t start, s16 start_utc, u16 total_segs,
3134 int status)
3135 {
3136 time64_t end = ktime_get_real_seconds();
3137 u32 os_ver_major = 0, os_ver_minor = 0;
3138 struct tm tm;
3139
3140 time64_to_tm(start, 0, &tm);
3141 memset(record, 0, sizeof(*record));
3142 memcpy(record->signature, "cOrE", 4);
3143 record->flags = 0;
3144 record->low_version = 0;
3145 record->high_version = 1;
3146 record->asic_state = 0;
3147 strlcpy(record->system_name, utsname()->nodename,
3148 sizeof(record->system_name));
3149 record->year = cpu_to_le16(tm.tm_year + 1900);
3150 record->month = cpu_to_le16(tm.tm_mon + 1);
3151 record->day = cpu_to_le16(tm.tm_mday);
3152 record->hour = cpu_to_le16(tm.tm_hour);
3153 record->minute = cpu_to_le16(tm.tm_min);
3154 record->second = cpu_to_le16(tm.tm_sec);
3155 record->utc_bias = cpu_to_le16(start_utc);
3156 strcpy(record->commandline, "ethtool -w");
3157 record->total_segments = cpu_to_le32(total_segs);
3158
3159 sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
3160 record->os_ver_major = cpu_to_le32(os_ver_major);
3161 record->os_ver_minor = cpu_to_le32(os_ver_minor);
3162
3163 strlcpy(record->os_name, utsname()->sysname, 32);
3164 time64_to_tm(end, 0, &tm);
3165 record->end_year = cpu_to_le16(tm.tm_year + 1900);
3166 record->end_month = cpu_to_le16(tm.tm_mon + 1);
3167 record->end_day = cpu_to_le16(tm.tm_mday);
3168 record->end_hour = cpu_to_le16(tm.tm_hour);
3169 record->end_minute = cpu_to_le16(tm.tm_min);
3170 record->end_second = cpu_to_le16(tm.tm_sec);
3171 record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
3172 record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
3173 bp->ver_resp.chip_rev << 8 |
3174 bp->ver_resp.chip_metal);
3175 record->asic_id2 = 0;
3176 record->coredump_status = cpu_to_le32(status);
3177 record->ioctl_low_version = 0;
3178 record->ioctl_high_version = 0;
3179 }
3180
3181 static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
3182 {
3183 u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
3184 struct coredump_segment_record *seg_record = NULL;
3185 u32 offset = 0, seg_hdr_len, seg_record_len;
3186 struct bnxt_coredump_segment_hdr seg_hdr;
3187 struct bnxt_coredump coredump = {NULL};
3188 time64_t start_time;
3189 u16 start_utc;
3190 int rc = 0, i;
3191
3192 start_time = ktime_get_real_seconds();
3193 start_utc = sys_tz.tz_minuteswest * 60;
3194 seg_hdr_len = sizeof(seg_hdr);
3195
3196 /* First segment should be hwrm_ver_get response */
3197 *dump_len = seg_hdr_len + ver_get_resp_len;
3198 if (buf) {
3199 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
3200 0, 0, 0);
3201 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3202 offset += seg_hdr_len;
3203 memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
3204 offset += ver_get_resp_len;
3205 }
3206
3207 rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
3208 if (rc) {
3209 netdev_err(bp->dev, "Failed to get coredump segment list\n");
3210 goto err;
3211 }
3212
3213 *dump_len += seg_hdr_len * coredump.total_segs;
3214
3215 seg_record = (struct coredump_segment_record *)coredump.data;
3216 seg_record_len = sizeof(*seg_record);
3217
3218 for (i = 0; i < coredump.total_segs; i++) {
3219 u16 comp_id = le16_to_cpu(seg_record->component_id);
3220 u16 seg_id = le16_to_cpu(seg_record->segment_id);
3221 u32 duration = 0, seg_len = 0;
3222 unsigned long start, end;
3223
3224 start = jiffies;
3225
3226 rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
3227 if (rc) {
3228 netdev_err(bp->dev,
3229 "Failed to initiate coredump for seg = %d\n",
3230 seg_record->segment_id);
3231 goto next_seg;
3232 }
3233
3234 /* Write segment data into the buffer */
3235 rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3236 &seg_len, buf,
3237 offset + seg_hdr_len);
3238 if (rc)
3239 netdev_err(bp->dev,
3240 "Failed to retrieve coredump for seg = %d\n",
3241 seg_record->segment_id);
3242
3243 next_seg:
3244 end = jiffies;
3245 duration = jiffies_to_msecs(end - start);
3246 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
3247 rc, duration, 0);
3248
3249 if (buf) {
3250 /* Write segment header into the buffer */
3251 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3252 offset += seg_hdr_len + seg_len;
3253 }
3254
3255 *dump_len += seg_len;
3256 seg_record =
3257 (struct coredump_segment_record *)((u8 *)seg_record +
3258 seg_record_len);
3259 }
3260
3261 err:
3262 if (buf)
3263 bnxt_fill_coredump_record(bp, buf + offset, start_time,
3264 start_utc, coredump.total_segs + 1,
3265 rc);
3266 kfree(coredump.data);
3267 *dump_len += sizeof(struct bnxt_coredump_record);
3268
3269 return rc;
3270 }
3271
3272 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3273 {
3274 struct bnxt *bp = netdev_priv(dev);
3275
3276 if (bp->hwrm_spec_code < 0x10801)
3277 return -EOPNOTSUPP;
3278
3279 dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3280 bp->ver_resp.hwrm_fw_min_8b << 16 |
3281 bp->ver_resp.hwrm_fw_bld_8b << 8 |
3282 bp->ver_resp.hwrm_fw_rsvd_8b;
3283
3284 return bnxt_get_coredump(bp, NULL, &dump->len);
3285 }
3286
3287 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3288 void *buf)
3289 {
3290 struct bnxt *bp = netdev_priv(dev);
3291
3292 if (bp->hwrm_spec_code < 0x10801)
3293 return -EOPNOTSUPP;
3294
3295 memset(buf, 0, dump->len);
3296
3297 return bnxt_get_coredump(bp, buf, &dump->len);
3298 }
3299
3300 void bnxt_ethtool_init(struct bnxt *bp)
3301 {
3302 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
3303 struct hwrm_selftest_qlist_input req = {0};
3304 struct bnxt_test_info *test_info;
3305 struct net_device *dev = bp->dev;
3306 int i, rc;
3307
3308 if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3309 bnxt_get_pkgver(dev);
3310
3311 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
3312 return;
3313
3314 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
3315 mutex_lock(&bp->hwrm_cmd_lock);
3316 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3317 if (rc)
3318 goto ethtool_init_exit;
3319
3320 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3321 if (!test_info)
3322 goto ethtool_init_exit;
3323
3324 bp->test_info = test_info;
3325 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3326 if (bp->num_tests > BNXT_MAX_TEST)
3327 bp->num_tests = BNXT_MAX_TEST;
3328
3329 test_info->offline_mask = resp->offline_tests;
3330 test_info->timeout = le16_to_cpu(resp->test_timeout);
3331 if (!test_info->timeout)
3332 test_info->timeout = HWRM_CMD_TIMEOUT;
3333 for (i = 0; i < bp->num_tests; i++) {
3334 char *str = test_info->string[i];
3335 char *fw_str = resp->test0_name + i * 32;
3336
3337 if (i == BNXT_MACLPBK_TEST_IDX) {
3338 strcpy(str, "Mac loopback test (offline)");
3339 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3340 strcpy(str, "Phy loopback test (offline)");
3341 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3342 strcpy(str, "Ext loopback test (offline)");
3343 } else if (i == BNXT_IRQ_TEST_IDX) {
3344 strcpy(str, "Interrupt_test (offline)");
3345 } else {
3346 strlcpy(str, fw_str, ETH_GSTRING_LEN);
3347 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3348 if (test_info->offline_mask & (1 << i))
3349 strncat(str, " (offline)",
3350 ETH_GSTRING_LEN - strlen(str));
3351 else
3352 strncat(str, " (online)",
3353 ETH_GSTRING_LEN - strlen(str));
3354 }
3355 }
3356
3357 ethtool_init_exit:
3358 mutex_unlock(&bp->hwrm_cmd_lock);
3359 }
3360
3361 void bnxt_ethtool_free(struct bnxt *bp)
3362 {
3363 kfree(bp->test_info);
3364 bp->test_info = NULL;
3365 }
3366
3367 const struct ethtool_ops bnxt_ethtool_ops = {
3368 .get_link_ksettings = bnxt_get_link_ksettings,
3369 .set_link_ksettings = bnxt_set_link_ksettings,
3370 .get_pauseparam = bnxt_get_pauseparam,
3371 .set_pauseparam = bnxt_set_pauseparam,
3372 .get_drvinfo = bnxt_get_drvinfo,
3373 .get_wol = bnxt_get_wol,
3374 .set_wol = bnxt_set_wol,
3375 .get_coalesce = bnxt_get_coalesce,
3376 .set_coalesce = bnxt_set_coalesce,
3377 .get_msglevel = bnxt_get_msglevel,
3378 .set_msglevel = bnxt_set_msglevel,
3379 .get_sset_count = bnxt_get_sset_count,
3380 .get_strings = bnxt_get_strings,
3381 .get_ethtool_stats = bnxt_get_ethtool_stats,
3382 .set_ringparam = bnxt_set_ringparam,
3383 .get_ringparam = bnxt_get_ringparam,
3384 .get_channels = bnxt_get_channels,
3385 .set_channels = bnxt_set_channels,
3386 .get_rxnfc = bnxt_get_rxnfc,
3387 .set_rxnfc = bnxt_set_rxnfc,
3388 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
3389 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
3390 .get_rxfh = bnxt_get_rxfh,
3391 .flash_device = bnxt_flash_device,
3392 .get_eeprom_len = bnxt_get_eeprom_len,
3393 .get_eeprom = bnxt_get_eeprom,
3394 .set_eeprom = bnxt_set_eeprom,
3395 .get_link = bnxt_get_link,
3396 .get_eee = bnxt_get_eee,
3397 .set_eee = bnxt_set_eee,
3398 .get_module_info = bnxt_get_module_info,
3399 .get_module_eeprom = bnxt_get_module_eeprom,
3400 .nway_reset = bnxt_nway_reset,
3401 .set_phys_id = bnxt_set_phys_id,
3402 .self_test = bnxt_self_test,
3403 .reset = bnxt_reset,
3404 .get_dump_flag = bnxt_get_dump_flag,
3405 .get_dump_data = bnxt_get_dump_data,
3406 };
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