blob: 1801582076be4ba8be9541b2679dddb2a491557d [file] [log] [blame]
Michael Chanc0c050c2015-10-22 16:01:17 -04001/* Broadcom NetXtreme-C/E network driver.
2 *
Michael Chan11f15ed2016-04-05 14:08:55 -04003 * Copyright (c) 2014-2016 Broadcom Corporation
Michael Chan8e202362017-04-04 18:14:09 -04004 * Copyright (c) 2016-2017 Broadcom Limited
Michael Chanc0c050c2015-10-22 16:01:17 -04005 *
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
Rob Swindell3ebf6f02016-02-26 04:00:06 -050011#include <linux/ctype.h>
Michael Chan8ddc9aa2016-03-07 15:38:47 -050012#include <linux/stringify.h>
Michael Chanc0c050c2015-10-22 16:01:17 -040013#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 "bnxt_hsi.h"
20#include "bnxt.h"
Michael Chanf7dc1ea2017-04-04 18:14:13 -040021#include "bnxt_xdp.h"
Michael Chanc0c050c2015-10-22 16:01:17 -040022#include "bnxt_ethtool.h"
23#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
24#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
25#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
Rob Swindell5ac67d82016-09-19 03:58:03 -040026#define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
27#define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
Michael Chanc0c050c2015-10-22 16:01:17 -040028
29static u32 bnxt_get_msglevel(struct net_device *dev)
30{
31 struct bnxt *bp = netdev_priv(dev);
32
33 return bp->msg_enable;
34}
35
36static void bnxt_set_msglevel(struct net_device *dev, u32 value)
37{
38 struct bnxt *bp = netdev_priv(dev);
39
40 bp->msg_enable = value;
41}
42
43static int bnxt_get_coalesce(struct net_device *dev,
44 struct ethtool_coalesce *coal)
45{
46 struct bnxt *bp = netdev_priv(dev);
Michael Chan18775aa2017-10-26 11:51:27 -040047 struct bnxt_coal *hw_coal;
48 u16 mult;
Michael Chanc0c050c2015-10-22 16:01:17 -040049
50 memset(coal, 0, sizeof(*coal));
51
Andy Gospodarek6a8788f2018-01-09 16:06:20 -050052 coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
53
Michael Chan18775aa2017-10-26 11:51:27 -040054 hw_coal = &bp->rx_coal;
55 mult = hw_coal->bufs_per_record;
56 coal->rx_coalesce_usecs = hw_coal->coal_ticks;
57 coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
58 coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
59 coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
Michael Chanc0c050c2015-10-22 16:01:17 -040060
Michael Chan18775aa2017-10-26 11:51:27 -040061 hw_coal = &bp->tx_coal;
62 mult = hw_coal->bufs_per_record;
63 coal->tx_coalesce_usecs = hw_coal->coal_ticks;
64 coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
65 coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
66 coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
Michael Chandfc9c942016-02-26 04:00:03 -050067
Michael Chan51f30782016-07-01 18:46:29 -040068 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
69
Michael Chanc0c050c2015-10-22 16:01:17 -040070 return 0;
71}
72
73static int bnxt_set_coalesce(struct net_device *dev,
74 struct ethtool_coalesce *coal)
75{
76 struct bnxt *bp = netdev_priv(dev);
Michael Chan51f30782016-07-01 18:46:29 -040077 bool update_stats = false;
Michael Chan18775aa2017-10-26 11:51:27 -040078 struct bnxt_coal *hw_coal;
Michael Chanc0c050c2015-10-22 16:01:17 -040079 int rc = 0;
Michael Chan18775aa2017-10-26 11:51:27 -040080 u16 mult;
Michael Chanc0c050c2015-10-22 16:01:17 -040081
Andy Gospodarek6a8788f2018-01-09 16:06:20 -050082 if (coal->use_adaptive_rx_coalesce) {
83 bp->flags |= BNXT_FLAG_DIM;
84 } else {
85 if (bp->flags & BNXT_FLAG_DIM) {
86 bp->flags &= ~(BNXT_FLAG_DIM);
87 goto reset_coalesce;
88 }
89 }
90
Michael Chan18775aa2017-10-26 11:51:27 -040091 hw_coal = &bp->rx_coal;
92 mult = hw_coal->bufs_per_record;
93 hw_coal->coal_ticks = coal->rx_coalesce_usecs;
94 hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
95 hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
96 hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
Michael Chanc0c050c2015-10-22 16:01:17 -040097
Andy Gospodarekde4a10e2017-11-03 03:32:38 -040098 hw_coal = &bp->tx_coal;
Michael Chan18775aa2017-10-26 11:51:27 -040099 mult = hw_coal->bufs_per_record;
100 hw_coal->coal_ticks = coal->tx_coalesce_usecs;
101 hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
102 hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
103 hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
Michael Chandfc9c942016-02-26 04:00:03 -0500104
Michael Chan51f30782016-07-01 18:46:29 -0400105 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
106 u32 stats_ticks = coal->stats_block_coalesce_usecs;
107
Michael Chanadcc3312017-07-24 12:34:24 -0400108 /* Allow 0, which means disable. */
109 if (stats_ticks)
110 stats_ticks = clamp_t(u32, stats_ticks,
111 BNXT_MIN_STATS_COAL_TICKS,
112 BNXT_MAX_STATS_COAL_TICKS);
Michael Chan51f30782016-07-01 18:46:29 -0400113 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
114 bp->stats_coal_ticks = stats_ticks;
115 update_stats = true;
116 }
117
Andy Gospodarek6a8788f2018-01-09 16:06:20 -0500118reset_coalesce:
Michael Chan51f30782016-07-01 18:46:29 -0400119 if (netif_running(dev)) {
120 if (update_stats) {
121 rc = bnxt_close_nic(bp, true, false);
122 if (!rc)
123 rc = bnxt_open_nic(bp, true, false);
124 } else {
125 rc = bnxt_hwrm_set_coal(bp);
126 }
127 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400128
129 return rc;
130}
131
132#define BNXT_NUM_STATS 21
133
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500134#define BNXT_RX_STATS_ENTRY(counter) \
135 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
136
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500137#define BNXT_TX_STATS_ENTRY(counter) \
138 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
139
140static const struct {
141 long offset;
142 char string[ETH_GSTRING_LEN];
143} bnxt_port_stats_arr[] = {
144 BNXT_RX_STATS_ENTRY(rx_64b_frames),
145 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
146 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
147 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
148 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
149 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
150 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
151 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
152 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
153 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
154 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
155 BNXT_RX_STATS_ENTRY(rx_total_frames),
156 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
157 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
158 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
159 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
160 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
161 BNXT_RX_STATS_ENTRY(rx_pause_frames),
162 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
163 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
164 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
165 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
166 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
167 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
168 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
169 BNXT_RX_STATS_ENTRY(rx_good_frames),
Michael Chanc77192f2016-12-02 21:17:18 -0500170 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
171 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
172 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
173 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
174 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
175 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
176 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
177 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500178 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
179 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
180 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
181 BNXT_RX_STATS_ENTRY(rx_bytes),
182 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
183 BNXT_RX_STATS_ENTRY(rx_runt_frames),
184
185 BNXT_TX_STATS_ENTRY(tx_64b_frames),
186 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
187 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
188 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
189 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
190 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
191 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
192 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
193 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
194 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
195 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
196 BNXT_TX_STATS_ENTRY(tx_good_frames),
197 BNXT_TX_STATS_ENTRY(tx_total_frames),
198 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
199 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
200 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
201 BNXT_TX_STATS_ENTRY(tx_pause_frames),
202 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
203 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
204 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
205 BNXT_TX_STATS_ENTRY(tx_err),
206 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
Michael Chanc77192f2016-12-02 21:17:18 -0500207 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
208 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
209 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
210 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
211 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
212 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
213 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
214 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500215 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
216 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
217 BNXT_TX_STATS_ENTRY(tx_total_collisions),
218 BNXT_TX_STATS_ENTRY(tx_bytes),
219};
220
221#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
222
Michael Chan5c8227d2017-07-24 12:34:23 -0400223static int bnxt_get_num_stats(struct bnxt *bp)
224{
225 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
226
227 if (bp->flags & BNXT_FLAG_PORT_STATS)
228 num_stats += BNXT_NUM_PORT_STATS;
229
230 return num_stats;
231}
232
Michael Chanc0c050c2015-10-22 16:01:17 -0400233static int bnxt_get_sset_count(struct net_device *dev, int sset)
234{
235 struct bnxt *bp = netdev_priv(dev);
236
237 switch (sset) {
Michael Chan5c8227d2017-07-24 12:34:23 -0400238 case ETH_SS_STATS:
239 return bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400240 case ETH_SS_TEST:
241 if (!bp->num_tests)
242 return -EOPNOTSUPP;
243 return bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400244 default:
245 return -EOPNOTSUPP;
246 }
247}
248
249static void bnxt_get_ethtool_stats(struct net_device *dev,
250 struct ethtool_stats *stats, u64 *buf)
251{
252 u32 i, j = 0;
253 struct bnxt *bp = netdev_priv(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400254 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
255
Michael Chanc0c050c2015-10-22 16:01:17 -0400256 if (!bp->bnapi)
257 return;
258
259 for (i = 0; i < bp->cp_nr_rings; i++) {
260 struct bnxt_napi *bnapi = bp->bnapi[i];
261 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
262 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
263 int k;
264
265 for (k = 0; k < stat_fields; j++, k++)
266 buf[j] = le64_to_cpu(hw_stats[k]);
267 buf[j++] = cpr->rx_l4_csum_errors;
268 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500269 if (bp->flags & BNXT_FLAG_PORT_STATS) {
270 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
271
272 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
273 buf[j] = le64_to_cpu(*(port_stats +
274 bnxt_port_stats_arr[i].offset));
275 }
276 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400277}
278
279static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
280{
281 struct bnxt *bp = netdev_priv(dev);
282 u32 i;
283
284 switch (stringset) {
285 /* The number of strings must match BNXT_NUM_STATS defined above. */
286 case ETH_SS_STATS:
287 for (i = 0; i < bp->cp_nr_rings; i++) {
288 sprintf(buf, "[%d]: rx_ucast_packets", i);
289 buf += ETH_GSTRING_LEN;
290 sprintf(buf, "[%d]: rx_mcast_packets", i);
291 buf += ETH_GSTRING_LEN;
292 sprintf(buf, "[%d]: rx_bcast_packets", i);
293 buf += ETH_GSTRING_LEN;
294 sprintf(buf, "[%d]: rx_discards", i);
295 buf += ETH_GSTRING_LEN;
296 sprintf(buf, "[%d]: rx_drops", i);
297 buf += ETH_GSTRING_LEN;
298 sprintf(buf, "[%d]: rx_ucast_bytes", i);
299 buf += ETH_GSTRING_LEN;
300 sprintf(buf, "[%d]: rx_mcast_bytes", i);
301 buf += ETH_GSTRING_LEN;
302 sprintf(buf, "[%d]: rx_bcast_bytes", i);
303 buf += ETH_GSTRING_LEN;
304 sprintf(buf, "[%d]: tx_ucast_packets", i);
305 buf += ETH_GSTRING_LEN;
306 sprintf(buf, "[%d]: tx_mcast_packets", i);
307 buf += ETH_GSTRING_LEN;
308 sprintf(buf, "[%d]: tx_bcast_packets", i);
309 buf += ETH_GSTRING_LEN;
310 sprintf(buf, "[%d]: tx_discards", i);
311 buf += ETH_GSTRING_LEN;
312 sprintf(buf, "[%d]: tx_drops", i);
313 buf += ETH_GSTRING_LEN;
314 sprintf(buf, "[%d]: tx_ucast_bytes", i);
315 buf += ETH_GSTRING_LEN;
316 sprintf(buf, "[%d]: tx_mcast_bytes", i);
317 buf += ETH_GSTRING_LEN;
318 sprintf(buf, "[%d]: tx_bcast_bytes", i);
319 buf += ETH_GSTRING_LEN;
320 sprintf(buf, "[%d]: tpa_packets", i);
321 buf += ETH_GSTRING_LEN;
322 sprintf(buf, "[%d]: tpa_bytes", i);
323 buf += ETH_GSTRING_LEN;
324 sprintf(buf, "[%d]: tpa_events", i);
325 buf += ETH_GSTRING_LEN;
326 sprintf(buf, "[%d]: tpa_aborts", i);
327 buf += ETH_GSTRING_LEN;
328 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
329 buf += ETH_GSTRING_LEN;
330 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500331 if (bp->flags & BNXT_FLAG_PORT_STATS) {
332 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
333 strcpy(buf, bnxt_port_stats_arr[i].string);
334 buf += ETH_GSTRING_LEN;
335 }
336 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400337 break;
Michael Chaneb513652017-04-04 18:14:12 -0400338 case ETH_SS_TEST:
339 if (bp->num_tests)
340 memcpy(buf, bp->test_info->string,
341 bp->num_tests * ETH_GSTRING_LEN);
342 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400343 default:
344 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
345 stringset);
346 break;
347 }
348}
349
350static void bnxt_get_ringparam(struct net_device *dev,
351 struct ethtool_ringparam *ering)
352{
353 struct bnxt *bp = netdev_priv(dev);
354
355 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
356 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
357 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
358
359 ering->rx_pending = bp->rx_ring_size;
360 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
361 ering->tx_pending = bp->tx_ring_size;
362}
363
364static int bnxt_set_ringparam(struct net_device *dev,
365 struct ethtool_ringparam *ering)
366{
367 struct bnxt *bp = netdev_priv(dev);
368
369 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
370 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
371 (ering->tx_pending <= MAX_SKB_FRAGS))
372 return -EINVAL;
373
374 if (netif_running(dev))
375 bnxt_close_nic(bp, false, false);
376
377 bp->rx_ring_size = ering->rx_pending;
378 bp->tx_ring_size = ering->tx_pending;
379 bnxt_set_ring_params(bp);
380
381 if (netif_running(dev))
382 return bnxt_open_nic(bp, false, false);
383
384 return 0;
385}
386
387static void bnxt_get_channels(struct net_device *dev,
388 struct ethtool_channels *channel)
389{
390 struct bnxt *bp = netdev_priv(dev);
391 int max_rx_rings, max_tx_rings, tcs;
392
Michael Chan6e6c5a52016-01-02 23:45:02 -0500393 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
Michael Chana79a5272017-02-12 19:18:12 -0500394 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
Michael Chan068c9ec2016-01-02 23:45:04 -0500395
Satish Baddipadige18d6e4e2016-05-15 03:04:43 -0400396 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
397 max_rx_rings = 0;
398 max_tx_rings = 0;
399 }
400
Michael Chanc0c050c2015-10-22 16:01:17 -0400401 tcs = netdev_get_num_tc(dev);
402 if (tcs > 1)
403 max_tx_rings /= tcs;
404
405 channel->max_rx = max_rx_rings;
406 channel->max_tx = max_tx_rings;
407 channel->max_other = 0;
Michael Chan068c9ec2016-01-02 23:45:04 -0500408 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
409 channel->combined_count = bp->rx_nr_rings;
Prashant Sreedharan76595192016-07-18 07:15:22 -0400410 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
411 channel->combined_count--;
Michael Chan068c9ec2016-01-02 23:45:04 -0500412 } else {
Prashant Sreedharan76595192016-07-18 07:15:22 -0400413 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
414 channel->rx_count = bp->rx_nr_rings;
415 channel->tx_count = bp->tx_nr_rings_per_tc;
416 }
Michael Chan068c9ec2016-01-02 23:45:04 -0500417 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400418}
419
420static int bnxt_set_channels(struct net_device *dev,
421 struct ethtool_channels *channel)
422{
423 struct bnxt *bp = netdev_priv(dev);
Michael Chand1e79252017-02-06 16:55:38 -0500424 int req_tx_rings, req_rx_rings, tcs;
Michael Chan068c9ec2016-01-02 23:45:04 -0500425 bool sh = false;
Michael Chan5f449242017-02-06 16:55:40 -0500426 int tx_xdp = 0;
Michael Chand1e79252017-02-06 16:55:38 -0500427 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -0400428
Michael Chan068c9ec2016-01-02 23:45:04 -0500429 if (channel->other_count)
Michael Chanc0c050c2015-10-22 16:01:17 -0400430 return -EINVAL;
431
Michael Chan068c9ec2016-01-02 23:45:04 -0500432 if (!channel->combined_count &&
433 (!channel->rx_count || !channel->tx_count))
434 return -EINVAL;
435
436 if (channel->combined_count &&
437 (channel->rx_count || channel->tx_count))
438 return -EINVAL;
439
Prashant Sreedharan76595192016-07-18 07:15:22 -0400440 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
441 channel->tx_count))
442 return -EINVAL;
443
Michael Chan068c9ec2016-01-02 23:45:04 -0500444 if (channel->combined_count)
445 sh = true;
446
Michael Chanc0c050c2015-10-22 16:01:17 -0400447 tcs = netdev_get_num_tc(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400448
Michael Chan391be5c2016-12-29 12:13:41 -0500449 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
Michael Chand1e79252017-02-06 16:55:38 -0500450 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
Michael Chan5f449242017-02-06 16:55:40 -0500451 if (bp->tx_nr_rings_xdp) {
452 if (!sh) {
453 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
454 return -EINVAL;
455 }
456 tx_xdp = req_rx_rings;
457 }
Michael Chan98fdbe72017-08-28 13:40:26 -0400458 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
Michael Chand1e79252017-02-06 16:55:38 -0500459 if (rc) {
460 netdev_warn(dev, "Unable to allocate the requested rings\n");
461 return rc;
Michael Chan391be5c2016-12-29 12:13:41 -0500462 }
463
Michael Chanc0c050c2015-10-22 16:01:17 -0400464 if (netif_running(dev)) {
465 if (BNXT_PF(bp)) {
466 /* TODO CHIMP_FW: Send message to all VF's
467 * before PF unload
468 */
469 }
470 rc = bnxt_close_nic(bp, true, false);
471 if (rc) {
472 netdev_err(bp->dev, "Set channel failure rc :%x\n",
473 rc);
474 return rc;
475 }
476 }
477
Michael Chan068c9ec2016-01-02 23:45:04 -0500478 if (sh) {
479 bp->flags |= BNXT_FLAG_SHARED_RINGS;
Michael Chand1e79252017-02-06 16:55:38 -0500480 bp->rx_nr_rings = channel->combined_count;
481 bp->tx_nr_rings_per_tc = channel->combined_count;
Michael Chan068c9ec2016-01-02 23:45:04 -0500482 } else {
483 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
484 bp->rx_nr_rings = channel->rx_count;
485 bp->tx_nr_rings_per_tc = channel->tx_count;
486 }
Michael Chan5f449242017-02-06 16:55:40 -0500487 bp->tx_nr_rings_xdp = tx_xdp;
488 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
Michael Chanc0c050c2015-10-22 16:01:17 -0400489 if (tcs > 1)
Michael Chan5f449242017-02-06 16:55:40 -0500490 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
Michael Chan068c9ec2016-01-02 23:45:04 -0500491
492 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
493 bp->tx_nr_rings + bp->rx_nr_rings;
494
Michael Chanc0c050c2015-10-22 16:01:17 -0400495 bp->num_stat_ctxs = bp->cp_nr_rings;
496
Michael Chan2bcfa6f2015-12-27 18:19:24 -0500497 /* After changing number of rx channels, update NTUPLE feature. */
498 netdev_update_features(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400499 if (netif_running(dev)) {
500 rc = bnxt_open_nic(bp, true, false);
501 if ((!rc) && BNXT_PF(bp)) {
502 /* TODO CHIMP_FW: Send message to all VF's
503 * to renable
504 */
505 }
506 }
507
508 return rc;
509}
510
511#ifdef CONFIG_RFS_ACCEL
512static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
513 u32 *rule_locs)
514{
515 int i, j = 0;
516
517 cmd->data = bp->ntp_fltr_count;
518 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
519 struct hlist_head *head;
520 struct bnxt_ntuple_filter *fltr;
521
522 head = &bp->ntp_fltr_hash_tbl[i];
523 rcu_read_lock();
524 hlist_for_each_entry_rcu(fltr, head, hash) {
525 if (j == cmd->rule_cnt)
526 break;
527 rule_locs[j++] = fltr->sw_id;
528 }
529 rcu_read_unlock();
530 if (j == cmd->rule_cnt)
531 break;
532 }
533 cmd->rule_cnt = j;
534 return 0;
535}
536
537static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
538{
539 struct ethtool_rx_flow_spec *fs =
540 (struct ethtool_rx_flow_spec *)&cmd->fs;
541 struct bnxt_ntuple_filter *fltr;
542 struct flow_keys *fkeys;
543 int i, rc = -EINVAL;
544
stephen hemmingerb721cfa2017-07-24 10:25:18 -0700545 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
Michael Chanc0c050c2015-10-22 16:01:17 -0400546 return rc;
547
548 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
549 struct hlist_head *head;
550
551 head = &bp->ntp_fltr_hash_tbl[i];
552 rcu_read_lock();
553 hlist_for_each_entry_rcu(fltr, head, hash) {
554 if (fltr->sw_id == fs->location)
555 goto fltr_found;
556 }
557 rcu_read_unlock();
558 }
559 return rc;
560
561fltr_found:
562 fkeys = &fltr->fkeys;
Michael Chandda0e742016-12-29 12:13:40 -0500563 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
564 if (fkeys->basic.ip_proto == IPPROTO_TCP)
565 fs->flow_type = TCP_V4_FLOW;
566 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
567 fs->flow_type = UDP_V4_FLOW;
568 else
569 goto fltr_err;
Michael Chanc0c050c2015-10-22 16:01:17 -0400570
Michael Chandda0e742016-12-29 12:13:40 -0500571 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
572 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400573
Michael Chandda0e742016-12-29 12:13:40 -0500574 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
575 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400576
Michael Chandda0e742016-12-29 12:13:40 -0500577 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
578 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400579
Michael Chandda0e742016-12-29 12:13:40 -0500580 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
581 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
582 } else {
583 int i;
584
585 if (fkeys->basic.ip_proto == IPPROTO_TCP)
586 fs->flow_type = TCP_V6_FLOW;
587 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
588 fs->flow_type = UDP_V6_FLOW;
589 else
590 goto fltr_err;
591
592 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
593 fkeys->addrs.v6addrs.src;
594 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
595 fkeys->addrs.v6addrs.dst;
596 for (i = 0; i < 4; i++) {
597 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
598 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
599 }
600 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
601 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
602
603 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
604 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
605 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400606
607 fs->ring_cookie = fltr->rxq;
608 rc = 0;
609
610fltr_err:
611 rcu_read_unlock();
612
613 return rc;
614}
Michael Chana0119522016-11-16 21:13:10 -0500615#endif
616
617static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
618{
619 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
620 return RXH_IP_SRC | RXH_IP_DST;
621 return 0;
622}
623
624static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
625{
626 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
627 return RXH_IP_SRC | RXH_IP_DST;
628 return 0;
629}
630
631static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
632{
633 cmd->data = 0;
634 switch (cmd->flow_type) {
635 case TCP_V4_FLOW:
636 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
637 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
638 RXH_L4_B_0_1 | RXH_L4_B_2_3;
639 cmd->data |= get_ethtool_ipv4_rss(bp);
640 break;
641 case UDP_V4_FLOW:
642 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
643 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
644 RXH_L4_B_0_1 | RXH_L4_B_2_3;
645 /* fall through */
646 case SCTP_V4_FLOW:
647 case AH_ESP_V4_FLOW:
648 case AH_V4_FLOW:
649 case ESP_V4_FLOW:
650 case IPV4_FLOW:
651 cmd->data |= get_ethtool_ipv4_rss(bp);
652 break;
653
654 case TCP_V6_FLOW:
655 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
656 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
657 RXH_L4_B_0_1 | RXH_L4_B_2_3;
658 cmd->data |= get_ethtool_ipv6_rss(bp);
659 break;
660 case UDP_V6_FLOW:
661 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
662 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
663 RXH_L4_B_0_1 | RXH_L4_B_2_3;
664 /* fall through */
665 case SCTP_V6_FLOW:
666 case AH_ESP_V6_FLOW:
667 case AH_V6_FLOW:
668 case ESP_V6_FLOW:
669 case IPV6_FLOW:
670 cmd->data |= get_ethtool_ipv6_rss(bp);
671 break;
672 }
673 return 0;
674}
675
676#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
677#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
678
679static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
680{
681 u32 rss_hash_cfg = bp->rss_hash_cfg;
682 int tuple, rc = 0;
683
684 if (cmd->data == RXH_4TUPLE)
685 tuple = 4;
686 else if (cmd->data == RXH_2TUPLE)
687 tuple = 2;
688 else if (!cmd->data)
689 tuple = 0;
690 else
691 return -EINVAL;
692
693 if (cmd->flow_type == TCP_V4_FLOW) {
694 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
695 if (tuple == 4)
696 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
697 } else if (cmd->flow_type == UDP_V4_FLOW) {
698 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
699 return -EINVAL;
700 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
701 if (tuple == 4)
702 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
703 } else if (cmd->flow_type == TCP_V6_FLOW) {
704 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
705 if (tuple == 4)
706 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
707 } else if (cmd->flow_type == UDP_V6_FLOW) {
708 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
709 return -EINVAL;
710 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
711 if (tuple == 4)
712 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
713 } else if (tuple == 4) {
714 return -EINVAL;
715 }
716
717 switch (cmd->flow_type) {
718 case TCP_V4_FLOW:
719 case UDP_V4_FLOW:
720 case SCTP_V4_FLOW:
721 case AH_ESP_V4_FLOW:
722 case AH_V4_FLOW:
723 case ESP_V4_FLOW:
724 case IPV4_FLOW:
725 if (tuple == 2)
726 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
727 else if (!tuple)
728 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
729 break;
730
731 case TCP_V6_FLOW:
732 case UDP_V6_FLOW:
733 case SCTP_V6_FLOW:
734 case AH_ESP_V6_FLOW:
735 case AH_V6_FLOW:
736 case ESP_V6_FLOW:
737 case IPV6_FLOW:
738 if (tuple == 2)
739 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
740 else if (!tuple)
741 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
742 break;
743 }
744
745 if (bp->rss_hash_cfg == rss_hash_cfg)
746 return 0;
747
748 bp->rss_hash_cfg = rss_hash_cfg;
749 if (netif_running(bp->dev)) {
750 bnxt_close_nic(bp, false, false);
751 rc = bnxt_open_nic(bp, false, false);
752 }
753 return rc;
754}
Michael Chanc0c050c2015-10-22 16:01:17 -0400755
756static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
757 u32 *rule_locs)
758{
759 struct bnxt *bp = netdev_priv(dev);
760 int rc = 0;
761
762 switch (cmd->cmd) {
Michael Chana0119522016-11-16 21:13:10 -0500763#ifdef CONFIG_RFS_ACCEL
Michael Chanc0c050c2015-10-22 16:01:17 -0400764 case ETHTOOL_GRXRINGS:
765 cmd->data = bp->rx_nr_rings;
766 break;
767
768 case ETHTOOL_GRXCLSRLCNT:
769 cmd->rule_cnt = bp->ntp_fltr_count;
770 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
771 break;
772
773 case ETHTOOL_GRXCLSRLALL:
774 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
775 break;
776
777 case ETHTOOL_GRXCLSRULE:
778 rc = bnxt_grxclsrule(bp, cmd);
779 break;
Michael Chana0119522016-11-16 21:13:10 -0500780#endif
781
782 case ETHTOOL_GRXFH:
783 rc = bnxt_grxfh(bp, cmd);
784 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400785
786 default:
787 rc = -EOPNOTSUPP;
788 break;
789 }
790
791 return rc;
792}
Michael Chana0119522016-11-16 21:13:10 -0500793
794static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
795{
796 struct bnxt *bp = netdev_priv(dev);
797 int rc;
798
799 switch (cmd->cmd) {
800 case ETHTOOL_SRXFH:
801 rc = bnxt_srxfh(bp, cmd);
802 break;
803
804 default:
805 rc = -EOPNOTSUPP;
806 break;
807 }
808 return rc;
809}
Michael Chanc0c050c2015-10-22 16:01:17 -0400810
811static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
812{
813 return HW_HASH_INDEX_SIZE;
814}
815
816static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
817{
818 return HW_HASH_KEY_SIZE;
819}
820
821static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
822 u8 *hfunc)
823{
824 struct bnxt *bp = netdev_priv(dev);
825 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
826 int i = 0;
827
828 if (hfunc)
829 *hfunc = ETH_RSS_HASH_TOP;
830
831 if (indir)
832 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
833 indir[i] = le16_to_cpu(vnic->rss_table[i]);
834
835 if (key)
836 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
837
838 return 0;
839}
840
841static void bnxt_get_drvinfo(struct net_device *dev,
842 struct ethtool_drvinfo *info)
843{
844 struct bnxt *bp = netdev_priv(dev);
845
846 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
847 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
Michael Chan431aa1e2017-10-26 11:51:23 -0400848 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
Michael Chanc0c050c2015-10-22 16:01:17 -0400849 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
Michael Chan5c8227d2017-07-24 12:34:23 -0400850 info->n_stats = bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400851 info->testinfo_len = bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400852 /* TODO CHIMP_FW: eeprom dump details */
853 info->eedump_len = 0;
854 /* TODO CHIMP FW: reg dump details */
855 info->regdump_len = 0;
856}
857
Michael Chan8e202362017-04-04 18:14:09 -0400858static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
859{
860 struct bnxt *bp = netdev_priv(dev);
861
862 wol->supported = 0;
863 wol->wolopts = 0;
864 memset(&wol->sopass, 0, sizeof(wol->sopass));
865 if (bp->flags & BNXT_FLAG_WOL_CAP) {
866 wol->supported = WAKE_MAGIC;
867 if (bp->wol)
868 wol->wolopts = WAKE_MAGIC;
869 }
870}
871
Michael Chan5282db62017-04-04 18:14:10 -0400872static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
873{
874 struct bnxt *bp = netdev_priv(dev);
875
876 if (wol->wolopts & ~WAKE_MAGIC)
877 return -EINVAL;
878
879 if (wol->wolopts & WAKE_MAGIC) {
880 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
881 return -EINVAL;
882 if (!bp->wol) {
883 if (bnxt_hwrm_alloc_wol_fltr(bp))
884 return -EBUSY;
885 bp->wol = 1;
886 }
887 } else {
888 if (bp->wol) {
889 if (bnxt_hwrm_free_wol_fltr(bp))
890 return -EBUSY;
891 bp->wol = 0;
892 }
893 }
894 return 0;
895}
896
Michael Chan170ce012016-04-05 14:08:57 -0400897u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
Michael Chanc0c050c2015-10-22 16:01:17 -0400898{
Michael Chanc0c050c2015-10-22 16:01:17 -0400899 u32 speed_mask = 0;
900
901 /* TODO: support 25GB, 40GB, 50GB with different cable type */
902 /* set the advertised speeds */
903 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
904 speed_mask |= ADVERTISED_100baseT_Full;
905 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
906 speed_mask |= ADVERTISED_1000baseT_Full;
907 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
908 speed_mask |= ADVERTISED_2500baseX_Full;
909 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
910 speed_mask |= ADVERTISED_10000baseT_Full;
Michael Chanc0c050c2015-10-22 16:01:17 -0400911 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
Michael Chan1c49c422016-02-10 17:33:48 -0500912 speed_mask |= ADVERTISED_40000baseCR4_Full;
Michael Chan27c4d572016-03-07 15:38:41 -0500913
914 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
915 speed_mask |= ADVERTISED_Pause;
916 else if (fw_pause & BNXT_LINK_PAUSE_TX)
917 speed_mask |= ADVERTISED_Asym_Pause;
918 else if (fw_pause & BNXT_LINK_PAUSE_RX)
919 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
920
Michael Chanc0c050c2015-10-22 16:01:17 -0400921 return speed_mask;
922}
923
Michael Chan00c04a92016-06-13 02:25:38 -0400924#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
925{ \
926 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
927 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
928 100baseT_Full); \
929 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
930 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
931 1000baseT_Full); \
932 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
934 10000baseT_Full); \
935 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
936 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
937 25000baseCR_Full); \
938 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
939 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
940 40000baseCR4_Full);\
941 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
942 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
943 50000baseCR2_Full);\
Deepak Khungar38a21b32017-04-21 20:11:24 -0400944 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
945 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
946 100000baseCR4_Full);\
Michael Chan00c04a92016-06-13 02:25:38 -0400947 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
948 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
949 Pause); \
950 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
951 ethtool_link_ksettings_add_link_mode( \
952 lk_ksettings, name, Asym_Pause);\
953 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
954 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
955 Asym_Pause); \
956 } \
957}
958
959#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
960{ \
961 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
962 100baseT_Full) || \
963 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
964 100baseT_Half)) \
965 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
966 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
967 1000baseT_Full) || \
968 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
969 1000baseT_Half)) \
970 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
971 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
972 10000baseT_Full)) \
973 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
974 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
975 25000baseCR_Full)) \
976 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
977 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
978 40000baseCR4_Full)) \
979 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
980 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
981 50000baseCR2_Full)) \
982 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
Deepak Khungar38a21b32017-04-21 20:11:24 -0400983 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
984 100000baseCR4_Full)) \
985 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
Michael Chan00c04a92016-06-13 02:25:38 -0400986}
987
988static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
989 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan27c4d572016-03-07 15:38:41 -0500990{
Michael Chan68515a12016-12-29 12:13:34 -0500991 u16 fw_speeds = link_info->advertising;
Michael Chan27c4d572016-03-07 15:38:41 -0500992 u8 fw_pause = 0;
993
994 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
995 fw_pause = link_info->auto_pause_setting;
996
Michael Chan00c04a92016-06-13 02:25:38 -0400997 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
Michael Chan27c4d572016-03-07 15:38:41 -0500998}
999
Michael Chan00c04a92016-06-13 02:25:38 -04001000static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1001 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan32773602016-03-07 15:38:42 -05001002{
1003 u16 fw_speeds = link_info->lp_auto_link_speeds;
1004 u8 fw_pause = 0;
1005
1006 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1007 fw_pause = link_info->lp_pause;
1008
Michael Chan00c04a92016-06-13 02:25:38 -04001009 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1010 lp_advertising);
Michael Chan32773602016-03-07 15:38:42 -05001011}
1012
Michael Chan00c04a92016-06-13 02:25:38 -04001013static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1014 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan4b32cac2016-03-07 15:38:43 -05001015{
1016 u16 fw_speeds = link_info->support_speeds;
Michael Chan4b32cac2016-03-07 15:38:43 -05001017
Michael Chan00c04a92016-06-13 02:25:38 -04001018 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
Michael Chan4b32cac2016-03-07 15:38:43 -05001019
Michael Chan00c04a92016-06-13 02:25:38 -04001020 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1021 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1022 Asym_Pause);
Michael Chan93ed8112016-06-13 02:25:37 -04001023
Michael Chan00c04a92016-06-13 02:25:38 -04001024 if (link_info->support_auto_speeds)
1025 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1026 Autoneg);
Michael Chan93ed8112016-06-13 02:25:37 -04001027}
1028
Michael Chanc0c050c2015-10-22 16:01:17 -04001029u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1030{
1031 switch (fw_link_speed) {
1032 case BNXT_LINK_SPEED_100MB:
1033 return SPEED_100;
1034 case BNXT_LINK_SPEED_1GB:
1035 return SPEED_1000;
1036 case BNXT_LINK_SPEED_2_5GB:
1037 return SPEED_2500;
1038 case BNXT_LINK_SPEED_10GB:
1039 return SPEED_10000;
1040 case BNXT_LINK_SPEED_20GB:
1041 return SPEED_20000;
1042 case BNXT_LINK_SPEED_25GB:
1043 return SPEED_25000;
1044 case BNXT_LINK_SPEED_40GB:
1045 return SPEED_40000;
1046 case BNXT_LINK_SPEED_50GB:
1047 return SPEED_50000;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001048 case BNXT_LINK_SPEED_100GB:
1049 return SPEED_100000;
Michael Chanc0c050c2015-10-22 16:01:17 -04001050 default:
1051 return SPEED_UNKNOWN;
1052 }
1053}
1054
Michael Chan00c04a92016-06-13 02:25:38 -04001055static int bnxt_get_link_ksettings(struct net_device *dev,
1056 struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001057{
1058 struct bnxt *bp = netdev_priv(dev);
1059 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001060 struct ethtool_link_settings *base = &lk_ksettings->base;
1061 u32 ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001062
Michael Chan00c04a92016-06-13 02:25:38 -04001063 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
Michael Chane2dc9b62017-10-13 21:09:30 -04001064 mutex_lock(&bp->link_lock);
Michael Chan00c04a92016-06-13 02:25:38 -04001065 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
Michael Chanc0c050c2015-10-22 16:01:17 -04001066
Michael Chan00c04a92016-06-13 02:25:38 -04001067 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
Michael Chanb7634992016-02-10 17:33:46 -05001068 if (link_info->autoneg) {
Michael Chan00c04a92016-06-13 02:25:38 -04001069 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1070 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1071 advertising, Autoneg);
1072 base->autoneg = AUTONEG_ENABLE;
Michael Chan32773602016-03-07 15:38:42 -05001073 if (link_info->phy_link_status == BNXT_LINK_LINK)
Michael Chan00c04a92016-06-13 02:25:38 -04001074 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
Michael Chan29c262f2016-04-05 14:09:03 -04001075 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1076 if (!netif_carrier_ok(dev))
Michael Chan00c04a92016-06-13 02:25:38 -04001077 base->duplex = DUPLEX_UNKNOWN;
Michael Chan29c262f2016-04-05 14:09:03 -04001078 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001079 base->duplex = DUPLEX_FULL;
Michael Chan29c262f2016-04-05 14:09:03 -04001080 else
Michael Chan00c04a92016-06-13 02:25:38 -04001081 base->duplex = DUPLEX_HALF;
Michael Chanc0c050c2015-10-22 16:01:17 -04001082 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001083 base->autoneg = AUTONEG_DISABLE;
Michael Chan29c262f2016-04-05 14:09:03 -04001084 ethtool_speed =
1085 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
Michael Chan00c04a92016-06-13 02:25:38 -04001086 base->duplex = DUPLEX_HALF;
Michael Chan29c262f2016-04-05 14:09:03 -04001087 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001088 base->duplex = DUPLEX_FULL;
Michael Chanc0c050c2015-10-22 16:01:17 -04001089 }
Michael Chan00c04a92016-06-13 02:25:38 -04001090 base->speed = ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001091
Michael Chan00c04a92016-06-13 02:25:38 -04001092 base->port = PORT_NONE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001093 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
Michael Chan00c04a92016-06-13 02:25:38 -04001094 base->port = PORT_TP;
1095 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1096 TP);
1097 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1098 TP);
Michael Chanc0c050c2015-10-22 16:01:17 -04001099 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001100 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1101 FIBRE);
1102 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1103 FIBRE);
Michael Chanc0c050c2015-10-22 16:01:17 -04001104
1105 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
Michael Chan00c04a92016-06-13 02:25:38 -04001106 base->port = PORT_DA;
Michael Chanc0c050c2015-10-22 16:01:17 -04001107 else if (link_info->media_type ==
1108 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
Michael Chan00c04a92016-06-13 02:25:38 -04001109 base->port = PORT_FIBRE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001110 }
Michael Chan00c04a92016-06-13 02:25:38 -04001111 base->phy_address = link_info->phy_addr;
Michael Chane2dc9b62017-10-13 21:09:30 -04001112 mutex_unlock(&bp->link_lock);
Michael Chanc0c050c2015-10-22 16:01:17 -04001113
1114 return 0;
1115}
1116
Deepak Khungar38a21b32017-04-21 20:11:24 -04001117static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
Michael Chanc0c050c2015-10-22 16:01:17 -04001118{
Michael Chan9d9cee02016-04-05 14:09:02 -04001119 struct bnxt *bp = netdev_priv(dev);
1120 struct bnxt_link_info *link_info = &bp->link_info;
1121 u16 support_spds = link_info->support_speeds;
1122 u32 fw_speed = 0;
1123
Michael Chanc0c050c2015-10-22 16:01:17 -04001124 switch (ethtool_speed) {
1125 case SPEED_100:
Michael Chan9d9cee02016-04-05 14:09:02 -04001126 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1127 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1128 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001129 case SPEED_1000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001130 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1131 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1132 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001133 case SPEED_2500:
Michael Chan9d9cee02016-04-05 14:09:02 -04001134 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1135 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1136 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001137 case SPEED_10000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001138 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1139 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1140 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001141 case SPEED_20000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001142 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1143 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1144 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001145 case SPEED_25000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001146 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1147 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1148 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001149 case SPEED_40000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001150 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1151 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1152 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001153 case SPEED_50000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001154 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1155 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1156 break;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001157 case SPEED_100000:
1158 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1159 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1160 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001161 default:
1162 netdev_err(dev, "unsupported speed!\n");
1163 break;
1164 }
Michael Chan9d9cee02016-04-05 14:09:02 -04001165 return fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001166}
1167
Michael Chan939f7f02016-04-05 14:08:58 -04001168u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
Michael Chanc0c050c2015-10-22 16:01:17 -04001169{
1170 u16 fw_speed_mask = 0;
1171
1172 /* only support autoneg at speed 100, 1000, and 10000 */
1173 if (advertising & (ADVERTISED_100baseT_Full |
1174 ADVERTISED_100baseT_Half)) {
1175 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1176 }
1177 if (advertising & (ADVERTISED_1000baseT_Full |
1178 ADVERTISED_1000baseT_Half)) {
1179 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1180 }
1181 if (advertising & ADVERTISED_10000baseT_Full)
1182 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1183
Michael Chan1c49c422016-02-10 17:33:48 -05001184 if (advertising & ADVERTISED_40000baseCR4_Full)
1185 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1186
Michael Chanc0c050c2015-10-22 16:01:17 -04001187 return fw_speed_mask;
1188}
1189
Michael Chan00c04a92016-06-13 02:25:38 -04001190static int bnxt_set_link_ksettings(struct net_device *dev,
1191 const struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001192{
Michael Chanc0c050c2015-10-22 16:01:17 -04001193 struct bnxt *bp = netdev_priv(dev);
1194 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001195 const struct ethtool_link_settings *base = &lk_ksettings->base;
Michael Chanc0c050c2015-10-22 16:01:17 -04001196 bool set_pause = false;
Michael Chan68515a12016-12-29 12:13:34 -05001197 u16 fw_advertising = 0;
1198 u32 speed;
Michael Chan00c04a92016-06-13 02:25:38 -04001199 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001200
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001201 if (!BNXT_SINGLE_PF(bp))
Michael Chan00c04a92016-06-13 02:25:38 -04001202 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001203
Michael Chane2dc9b62017-10-13 21:09:30 -04001204 mutex_lock(&bp->link_lock);
Michael Chan00c04a92016-06-13 02:25:38 -04001205 if (base->autoneg == AUTONEG_ENABLE) {
1206 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1207 advertising);
Michael Chanc0c050c2015-10-22 16:01:17 -04001208 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1209 if (!fw_advertising)
Michael Chan93ed8112016-06-13 02:25:37 -04001210 link_info->advertising = link_info->support_auto_speeds;
Michael Chanc0c050c2015-10-22 16:01:17 -04001211 else
1212 link_info->advertising = fw_advertising;
1213 /* any change to autoneg will cause link change, therefore the
1214 * driver should put back the original pause setting in autoneg
1215 */
1216 set_pause = true;
1217 } else {
Michael Chan9d9cee02016-04-05 14:09:02 -04001218 u16 fw_speed;
Michael Chan03efbec2016-04-11 04:11:11 -04001219 u8 phy_type = link_info->phy_type;
Michael Chan9d9cee02016-04-05 14:09:02 -04001220
Michael Chan03efbec2016-04-11 04:11:11 -04001221 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1222 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1223 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1224 netdev_err(dev, "10GBase-T devices must autoneg\n");
1225 rc = -EINVAL;
1226 goto set_setting_exit;
1227 }
Michael Chan00c04a92016-06-13 02:25:38 -04001228 if (base->duplex == DUPLEX_HALF) {
Michael Chanc0c050c2015-10-22 16:01:17 -04001229 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1230 rc = -EINVAL;
1231 goto set_setting_exit;
1232 }
Michael Chan00c04a92016-06-13 02:25:38 -04001233 speed = base->speed;
Michael Chan9d9cee02016-04-05 14:09:02 -04001234 fw_speed = bnxt_get_fw_speed(dev, speed);
1235 if (!fw_speed) {
1236 rc = -EINVAL;
1237 goto set_setting_exit;
1238 }
1239 link_info->req_link_speed = fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001240 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
Michael Chanb7634992016-02-10 17:33:46 -05001241 link_info->autoneg = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001242 link_info->advertising = 0;
1243 }
1244
1245 if (netif_running(dev))
Michael Chan939f7f02016-04-05 14:08:58 -04001246 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
Michael Chanc0c050c2015-10-22 16:01:17 -04001247
1248set_setting_exit:
Michael Chane2dc9b62017-10-13 21:09:30 -04001249 mutex_unlock(&bp->link_lock);
Michael Chanc0c050c2015-10-22 16:01:17 -04001250 return rc;
1251}
1252
1253static void bnxt_get_pauseparam(struct net_device *dev,
1254 struct ethtool_pauseparam *epause)
1255{
1256 struct bnxt *bp = netdev_priv(dev);
1257 struct bnxt_link_info *link_info = &bp->link_info;
1258
1259 if (BNXT_VF(bp))
1260 return;
Michael Chanb7634992016-02-10 17:33:46 -05001261 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
Michael Chan3c02d1b2016-03-28 19:46:07 -04001262 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1263 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
Michael Chanc0c050c2015-10-22 16:01:17 -04001264}
1265
1266static int bnxt_set_pauseparam(struct net_device *dev,
1267 struct ethtool_pauseparam *epause)
1268{
1269 int rc = 0;
1270 struct bnxt *bp = netdev_priv(dev);
1271 struct bnxt_link_info *link_info = &bp->link_info;
1272
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001273 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001274 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001275
1276 if (epause->autoneg) {
Michael Chanb7634992016-02-10 17:33:46 -05001277 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1278 return -EINVAL;
1279
Michael Chanc0c050c2015-10-22 16:01:17 -04001280 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001281 if (bp->hwrm_spec_code >= 0x10201)
1282 link_info->req_flow_ctrl =
1283 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001284 } else {
1285 /* when transition from auto pause to force pause,
1286 * force a link change
1287 */
1288 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1289 link_info->force_link_chng = true;
1290 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001291 link_info->req_flow_ctrl = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001292 }
1293 if (epause->rx_pause)
1294 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001295
1296 if (epause->tx_pause)
1297 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001298
1299 if (netif_running(dev))
1300 rc = bnxt_hwrm_set_pause(bp);
1301 return rc;
1302}
1303
1304static u32 bnxt_get_link(struct net_device *dev)
1305{
1306 struct bnxt *bp = netdev_priv(dev);
1307
1308 /* TODO: handle MF, VF, driver close case */
1309 return bp->link_info.link_up;
1310}
1311
Rob Swindell5ac67d82016-09-19 03:58:03 -04001312static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1313 u16 ext, u16 *index, u32 *item_length,
1314 u32 *data_length);
1315
Michael Chanc0c050c2015-10-22 16:01:17 -04001316static int bnxt_flash_nvram(struct net_device *dev,
1317 u16 dir_type,
1318 u16 dir_ordinal,
1319 u16 dir_ext,
1320 u16 dir_attr,
1321 const u8 *data,
1322 size_t data_len)
1323{
1324 struct bnxt *bp = netdev_priv(dev);
1325 int rc;
1326 struct hwrm_nvm_write_input req = {0};
1327 dma_addr_t dma_handle;
1328 u8 *kmem;
1329
1330 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1331
1332 req.dir_type = cpu_to_le16(dir_type);
1333 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1334 req.dir_ext = cpu_to_le16(dir_ext);
1335 req.dir_attr = cpu_to_le16(dir_attr);
1336 req.dir_data_length = cpu_to_le32(data_len);
1337
1338 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1339 GFP_KERNEL);
1340 if (!kmem) {
1341 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1342 (unsigned)data_len);
1343 return -ENOMEM;
1344 }
1345 memcpy(kmem, data, data_len);
1346 req.host_src_addr = cpu_to_le64(dma_handle);
1347
1348 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1349 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1350
1351 return rc;
1352}
1353
Rob Swindelld2d63182016-01-07 19:56:58 -05001354static int bnxt_firmware_reset(struct net_device *dev,
1355 u16 dir_type)
1356{
1357 struct bnxt *bp = netdev_priv(dev);
1358 struct hwrm_fw_reset_input req = {0};
1359
1360 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1361
Rob Swindelld2d63182016-01-07 19:56:58 -05001362 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1363 /* (e.g. when firmware isn't already running) */
1364 switch (dir_type) {
1365 case BNX_DIR_TYPE_CHIMP_PATCH:
1366 case BNX_DIR_TYPE_BOOTCODE:
1367 case BNX_DIR_TYPE_BOOTCODE_2:
1368 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1369 /* Self-reset ChiMP upon next PCIe reset: */
1370 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1371 break;
1372 case BNX_DIR_TYPE_APE_FW:
1373 case BNX_DIR_TYPE_APE_PATCH:
1374 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
Rob Swindell08141e02016-07-01 18:46:23 -04001375 /* Self-reset APE upon next PCIe reset: */
1376 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
Rob Swindelld2d63182016-01-07 19:56:58 -05001377 break;
1378 case BNX_DIR_TYPE_KONG_FW:
1379 case BNX_DIR_TYPE_KONG_PATCH:
1380 req.embedded_proc_type =
1381 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1382 break;
1383 case BNX_DIR_TYPE_BONO_FW:
1384 case BNX_DIR_TYPE_BONO_PATCH:
1385 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1386 break;
Vasundhara Volam49f79722017-10-26 11:51:26 -04001387 case BNXT_FW_RESET_CHIP:
1388 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1389 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1390 break;
Scott Branden6502ad52017-11-30 11:36:00 -08001391 case BNXT_FW_RESET_AP:
1392 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
1393 break;
Rob Swindelld2d63182016-01-07 19:56:58 -05001394 default:
1395 return -EINVAL;
1396 }
1397
1398 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1399}
1400
Michael Chanc0c050c2015-10-22 16:01:17 -04001401static int bnxt_flash_firmware(struct net_device *dev,
1402 u16 dir_type,
1403 const u8 *fw_data,
1404 size_t fw_size)
1405{
1406 int rc = 0;
1407 u16 code_type;
1408 u32 stored_crc;
1409 u32 calculated_crc;
1410 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1411
1412 switch (dir_type) {
1413 case BNX_DIR_TYPE_BOOTCODE:
1414 case BNX_DIR_TYPE_BOOTCODE_2:
1415 code_type = CODE_BOOT;
1416 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001417 case BNX_DIR_TYPE_CHIMP_PATCH:
1418 code_type = CODE_CHIMP_PATCH;
1419 break;
Rob Swindell2731d702015-12-27 18:19:20 -05001420 case BNX_DIR_TYPE_APE_FW:
1421 code_type = CODE_MCTP_PASSTHRU;
1422 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001423 case BNX_DIR_TYPE_APE_PATCH:
1424 code_type = CODE_APE_PATCH;
1425 break;
1426 case BNX_DIR_TYPE_KONG_FW:
1427 code_type = CODE_KONG_FW;
1428 break;
1429 case BNX_DIR_TYPE_KONG_PATCH:
1430 code_type = CODE_KONG_PATCH;
1431 break;
1432 case BNX_DIR_TYPE_BONO_FW:
1433 code_type = CODE_BONO_FW;
1434 break;
1435 case BNX_DIR_TYPE_BONO_PATCH:
1436 code_type = CODE_BONO_PATCH;
1437 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001438 default:
1439 netdev_err(dev, "Unsupported directory entry type: %u\n",
1440 dir_type);
1441 return -EINVAL;
1442 }
1443 if (fw_size < sizeof(struct bnxt_fw_header)) {
1444 netdev_err(dev, "Invalid firmware file size: %u\n",
1445 (unsigned int)fw_size);
1446 return -EINVAL;
1447 }
1448 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1449 netdev_err(dev, "Invalid firmware signature: %08X\n",
1450 le32_to_cpu(header->signature));
1451 return -EINVAL;
1452 }
1453 if (header->code_type != code_type) {
1454 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1455 code_type, header->code_type);
1456 return -EINVAL;
1457 }
1458 if (header->device != DEVICE_CUMULUS_FAMILY) {
1459 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1460 DEVICE_CUMULUS_FAMILY, header->device);
1461 return -EINVAL;
1462 }
1463 /* Confirm the CRC32 checksum of the file: */
1464 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1465 sizeof(stored_crc)));
1466 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1467 if (calculated_crc != stored_crc) {
1468 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1469 (unsigned long)stored_crc,
1470 (unsigned long)calculated_crc);
1471 return -EINVAL;
1472 }
Michael Chanc0c050c2015-10-22 16:01:17 -04001473 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1474 0, 0, fw_data, fw_size);
Rob Swindelld2d63182016-01-07 19:56:58 -05001475 if (rc == 0) /* Firmware update successful */
1476 rc = bnxt_firmware_reset(dev, dir_type);
1477
Michael Chanc0c050c2015-10-22 16:01:17 -04001478 return rc;
1479}
1480
Rob Swindell5ac67d82016-09-19 03:58:03 -04001481static int bnxt_flash_microcode(struct net_device *dev,
1482 u16 dir_type,
1483 const u8 *fw_data,
1484 size_t fw_size)
1485{
1486 struct bnxt_ucode_trailer *trailer;
1487 u32 calculated_crc;
1488 u32 stored_crc;
1489 int rc = 0;
1490
1491 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1492 netdev_err(dev, "Invalid microcode file size: %u\n",
1493 (unsigned int)fw_size);
1494 return -EINVAL;
1495 }
1496 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1497 sizeof(*trailer)));
1498 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1499 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1500 le32_to_cpu(trailer->sig));
1501 return -EINVAL;
1502 }
1503 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1504 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1505 dir_type, le16_to_cpu(trailer->dir_type));
1506 return -EINVAL;
1507 }
1508 if (le16_to_cpu(trailer->trailer_length) <
1509 sizeof(struct bnxt_ucode_trailer)) {
1510 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1511 le16_to_cpu(trailer->trailer_length));
1512 return -EINVAL;
1513 }
1514
1515 /* Confirm the CRC32 checksum of the file: */
1516 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1517 sizeof(stored_crc)));
1518 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1519 if (calculated_crc != stored_crc) {
1520 netdev_err(dev,
1521 "CRC32 (%08lX) does not match calculated: %08lX\n",
1522 (unsigned long)stored_crc,
1523 (unsigned long)calculated_crc);
1524 return -EINVAL;
1525 }
1526 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1527 0, 0, fw_data, fw_size);
1528
1529 return rc;
1530}
1531
Michael Chanc0c050c2015-10-22 16:01:17 -04001532static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1533{
1534 switch (dir_type) {
1535 case BNX_DIR_TYPE_CHIMP_PATCH:
1536 case BNX_DIR_TYPE_BOOTCODE:
1537 case BNX_DIR_TYPE_BOOTCODE_2:
1538 case BNX_DIR_TYPE_APE_FW:
1539 case BNX_DIR_TYPE_APE_PATCH:
1540 case BNX_DIR_TYPE_KONG_FW:
1541 case BNX_DIR_TYPE_KONG_PATCH:
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001542 case BNX_DIR_TYPE_BONO_FW:
1543 case BNX_DIR_TYPE_BONO_PATCH:
Michael Chanc0c050c2015-10-22 16:01:17 -04001544 return true;
1545 }
1546
1547 return false;
1548}
1549
Rob Swindell5ac67d82016-09-19 03:58:03 -04001550static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001551{
1552 switch (dir_type) {
1553 case BNX_DIR_TYPE_AVS:
1554 case BNX_DIR_TYPE_EXP_ROM_MBA:
1555 case BNX_DIR_TYPE_PCIE:
1556 case BNX_DIR_TYPE_TSCF_UCODE:
1557 case BNX_DIR_TYPE_EXT_PHY:
1558 case BNX_DIR_TYPE_CCM:
1559 case BNX_DIR_TYPE_ISCSI_BOOT:
1560 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1561 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1562 return true;
1563 }
1564
1565 return false;
1566}
1567
1568static bool bnxt_dir_type_is_executable(u16 dir_type)
1569{
1570 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
Rob Swindell5ac67d82016-09-19 03:58:03 -04001571 bnxt_dir_type_is_other_exec_format(dir_type);
Michael Chanc0c050c2015-10-22 16:01:17 -04001572}
1573
1574static int bnxt_flash_firmware_from_file(struct net_device *dev,
1575 u16 dir_type,
1576 const char *filename)
1577{
1578 const struct firmware *fw;
1579 int rc;
1580
Michael Chanc0c050c2015-10-22 16:01:17 -04001581 rc = request_firmware(&fw, filename, &dev->dev);
1582 if (rc != 0) {
1583 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1584 rc, filename);
1585 return rc;
1586 }
1587 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1588 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
Rob Swindell5ac67d82016-09-19 03:58:03 -04001589 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1590 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
Michael Chanc0c050c2015-10-22 16:01:17 -04001591 else
1592 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1593 0, 0, fw->data, fw->size);
1594 release_firmware(fw);
1595 return rc;
1596}
1597
1598static int bnxt_flash_package_from_file(struct net_device *dev,
Rob Swindell5ac67d82016-09-19 03:58:03 -04001599 char *filename, u32 install_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001600{
Rob Swindell5ac67d82016-09-19 03:58:03 -04001601 struct bnxt *bp = netdev_priv(dev);
1602 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1603 struct hwrm_nvm_install_update_input install = {0};
1604 const struct firmware *fw;
1605 u32 item_len;
1606 u16 index;
1607 int rc;
1608
1609 bnxt_hwrm_fw_set_time(bp);
1610
1611 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1612 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1613 &index, &item_len, NULL) != 0) {
1614 netdev_err(dev, "PKG update area not created in nvram\n");
1615 return -ENOBUFS;
1616 }
1617
1618 rc = request_firmware(&fw, filename, &dev->dev);
1619 if (rc != 0) {
1620 netdev_err(dev, "PKG error %d requesting file: %s\n",
1621 rc, filename);
1622 return rc;
1623 }
1624
1625 if (fw->size > item_len) {
1626 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1627 (unsigned long)fw->size);
1628 rc = -EFBIG;
1629 } else {
1630 dma_addr_t dma_handle;
1631 u8 *kmem;
1632 struct hwrm_nvm_modify_input modify = {0};
1633
1634 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1635
1636 modify.dir_idx = cpu_to_le16(index);
1637 modify.len = cpu_to_le32(fw->size);
1638
1639 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1640 &dma_handle, GFP_KERNEL);
1641 if (!kmem) {
1642 netdev_err(dev,
1643 "dma_alloc_coherent failure, length = %u\n",
1644 (unsigned int)fw->size);
1645 rc = -ENOMEM;
1646 } else {
1647 memcpy(kmem, fw->data, fw->size);
1648 modify.host_src_addr = cpu_to_le64(dma_handle);
1649
1650 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1651 FLASH_PACKAGE_TIMEOUT);
1652 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1653 dma_handle);
1654 }
1655 }
1656 release_firmware(fw);
1657 if (rc)
1658 return rc;
1659
1660 if ((install_type & 0xffff) == 0)
1661 install_type >>= 16;
1662 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1663 install.install_type = cpu_to_le32(install_type);
1664
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001665 mutex_lock(&bp->hwrm_cmd_lock);
1666 rc = _hwrm_send_message(bp, &install, sizeof(install),
1667 INSTALL_PACKAGE_TIMEOUT);
1668 if (rc) {
1669 rc = -EOPNOTSUPP;
1670 goto flash_pkg_exit;
1671 }
1672
1673 if (resp->error_code) {
1674 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1675
1676 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1677 install.flags |= cpu_to_le16(
1678 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1679 rc = _hwrm_send_message(bp, &install, sizeof(install),
1680 INSTALL_PACKAGE_TIMEOUT);
1681 if (rc) {
1682 rc = -EOPNOTSUPP;
1683 goto flash_pkg_exit;
1684 }
1685 }
1686 }
Rob Swindell5ac67d82016-09-19 03:58:03 -04001687
1688 if (resp->result) {
1689 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1690 (s8)resp->result, (int)resp->problem_item);
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001691 rc = -ENOPKG;
Rob Swindell5ac67d82016-09-19 03:58:03 -04001692 }
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001693flash_pkg_exit:
1694 mutex_unlock(&bp->hwrm_cmd_lock);
1695 return rc;
Michael Chanc0c050c2015-10-22 16:01:17 -04001696}
1697
1698static int bnxt_flash_device(struct net_device *dev,
1699 struct ethtool_flash *flash)
1700{
1701 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1702 netdev_err(dev, "flashdev not supported from a virtual function\n");
1703 return -EINVAL;
1704 }
1705
Rob Swindell5ac67d82016-09-19 03:58:03 -04001706 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1707 flash->region > 0xffff)
1708 return bnxt_flash_package_from_file(dev, flash->data,
1709 flash->region);
Michael Chanc0c050c2015-10-22 16:01:17 -04001710
1711 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1712}
1713
1714static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1715{
1716 struct bnxt *bp = netdev_priv(dev);
1717 int rc;
1718 struct hwrm_nvm_get_dir_info_input req = {0};
1719 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1720
1721 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1722
1723 mutex_lock(&bp->hwrm_cmd_lock);
1724 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1725 if (!rc) {
1726 *entries = le32_to_cpu(output->entries);
1727 *length = le32_to_cpu(output->entry_length);
1728 }
1729 mutex_unlock(&bp->hwrm_cmd_lock);
1730 return rc;
1731}
1732
1733static int bnxt_get_eeprom_len(struct net_device *dev)
1734{
1735 /* The -1 return value allows the entire 32-bit range of offsets to be
1736 * passed via the ethtool command-line utility.
1737 */
1738 return -1;
1739}
1740
1741static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1742{
1743 struct bnxt *bp = netdev_priv(dev);
1744 int rc;
1745 u32 dir_entries;
1746 u32 entry_length;
1747 u8 *buf;
1748 size_t buflen;
1749 dma_addr_t dma_handle;
1750 struct hwrm_nvm_get_dir_entries_input req = {0};
1751
1752 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1753 if (rc != 0)
1754 return rc;
1755
1756 /* Insert 2 bytes of directory info (count and size of entries) */
1757 if (len < 2)
1758 return -EINVAL;
1759
1760 *data++ = dir_entries;
1761 *data++ = entry_length;
1762 len -= 2;
1763 memset(data, 0xff, len);
1764
1765 buflen = dir_entries * entry_length;
1766 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1767 GFP_KERNEL);
1768 if (!buf) {
1769 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1770 (unsigned)buflen);
1771 return -ENOMEM;
1772 }
1773 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1774 req.host_dest_addr = cpu_to_le64(dma_handle);
1775 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1776 if (rc == 0)
1777 memcpy(data, buf, len > buflen ? buflen : len);
1778 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1779 return rc;
1780}
1781
1782static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1783 u32 length, u8 *data)
1784{
1785 struct bnxt *bp = netdev_priv(dev);
1786 int rc;
1787 u8 *buf;
1788 dma_addr_t dma_handle;
1789 struct hwrm_nvm_read_input req = {0};
1790
Michael Chane0ad8fc2017-10-26 11:51:22 -04001791 if (!length)
1792 return -EINVAL;
1793
Michael Chanc0c050c2015-10-22 16:01:17 -04001794 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1795 GFP_KERNEL);
1796 if (!buf) {
1797 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1798 (unsigned)length);
1799 return -ENOMEM;
1800 }
1801 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1802 req.host_dest_addr = cpu_to_le64(dma_handle);
1803 req.dir_idx = cpu_to_le16(index);
1804 req.offset = cpu_to_le32(offset);
1805 req.len = cpu_to_le32(length);
1806
1807 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1808 if (rc == 0)
1809 memcpy(data, buf, length);
1810 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1811 return rc;
1812}
1813
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001814static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1815 u16 ext, u16 *index, u32 *item_length,
1816 u32 *data_length)
1817{
1818 struct bnxt *bp = netdev_priv(dev);
1819 int rc;
1820 struct hwrm_nvm_find_dir_entry_input req = {0};
1821 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1822
1823 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1824 req.enables = 0;
1825 req.dir_idx = 0;
1826 req.dir_type = cpu_to_le16(type);
1827 req.dir_ordinal = cpu_to_le16(ordinal);
1828 req.dir_ext = cpu_to_le16(ext);
1829 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
Michael Chancc72f3b2017-10-13 21:09:33 -04001830 mutex_lock(&bp->hwrm_cmd_lock);
1831 rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001832 if (rc == 0) {
1833 if (index)
1834 *index = le16_to_cpu(output->dir_idx);
1835 if (item_length)
1836 *item_length = le32_to_cpu(output->dir_item_length);
1837 if (data_length)
1838 *data_length = le32_to_cpu(output->dir_data_length);
1839 }
Michael Chancc72f3b2017-10-13 21:09:33 -04001840 mutex_unlock(&bp->hwrm_cmd_lock);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001841 return rc;
1842}
1843
1844static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1845{
1846 char *retval = NULL;
1847 char *p;
1848 char *value;
1849 int field = 0;
1850
1851 if (datalen < 1)
1852 return NULL;
1853 /* null-terminate the log data (removing last '\n'): */
1854 data[datalen - 1] = 0;
1855 for (p = data; *p != 0; p++) {
1856 field = 0;
1857 retval = NULL;
1858 while (*p != 0 && *p != '\n') {
1859 value = p;
1860 while (*p != 0 && *p != '\t' && *p != '\n')
1861 p++;
1862 if (field == desired_field)
1863 retval = value;
1864 if (*p != '\t')
1865 break;
1866 *p = 0;
1867 field++;
1868 p++;
1869 }
1870 if (*p == 0)
1871 break;
1872 *p = 0;
1873 }
1874 return retval;
1875}
1876
1877static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1878{
1879 u16 index = 0;
1880 u32 datalen;
1881
1882 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1883 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1884 &index, NULL, &datalen) != 0)
1885 return NULL;
1886
1887 memset(buf, 0, buflen);
1888 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1889 return NULL;
1890
1891 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1892 datalen);
1893}
1894
Michael Chanc0c050c2015-10-22 16:01:17 -04001895static int bnxt_get_eeprom(struct net_device *dev,
1896 struct ethtool_eeprom *eeprom,
1897 u8 *data)
1898{
1899 u32 index;
1900 u32 offset;
1901
1902 if (eeprom->offset == 0) /* special offset value to get directory */
1903 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1904
1905 index = eeprom->offset >> 24;
1906 offset = eeprom->offset & 0xffffff;
1907
1908 if (index == 0) {
1909 netdev_err(dev, "unsupported index value: %d\n", index);
1910 return -EINVAL;
1911 }
1912
1913 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1914}
1915
1916static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1917{
1918 struct bnxt *bp = netdev_priv(dev);
1919 struct hwrm_nvm_erase_dir_entry_input req = {0};
1920
1921 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1922 req.dir_idx = cpu_to_le16(index);
1923 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1924}
1925
1926static int bnxt_set_eeprom(struct net_device *dev,
1927 struct ethtool_eeprom *eeprom,
1928 u8 *data)
1929{
1930 struct bnxt *bp = netdev_priv(dev);
1931 u8 index, dir_op;
1932 u16 type, ext, ordinal, attr;
1933
1934 if (!BNXT_PF(bp)) {
1935 netdev_err(dev, "NVM write not supported from a virtual function\n");
1936 return -EINVAL;
1937 }
1938
1939 type = eeprom->magic >> 16;
1940
1941 if (type == 0xffff) { /* special value for directory operations */
1942 index = eeprom->magic & 0xff;
1943 dir_op = eeprom->magic >> 8;
1944 if (index == 0)
1945 return -EINVAL;
1946 switch (dir_op) {
1947 case 0x0e: /* erase */
1948 if (eeprom->offset != ~eeprom->magic)
1949 return -EINVAL;
1950 return bnxt_erase_nvram_directory(dev, index - 1);
1951 default:
1952 return -EINVAL;
1953 }
1954 }
1955
1956 /* Create or re-write an NVM item: */
1957 if (bnxt_dir_type_is_executable(type) == true)
Rob Swindell5ac67d82016-09-19 03:58:03 -04001958 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001959 ext = eeprom->magic & 0xffff;
1960 ordinal = eeprom->offset >> 16;
1961 attr = eeprom->offset & 0xffff;
1962
1963 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1964 eeprom->len);
1965}
1966
Michael Chan72b34f02016-04-05 14:08:59 -04001967static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1968{
1969 struct bnxt *bp = netdev_priv(dev);
1970 struct ethtool_eee *eee = &bp->eee;
1971 struct bnxt_link_info *link_info = &bp->link_info;
1972 u32 advertising =
1973 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1974 int rc = 0;
1975
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001976 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001977 return -EOPNOTSUPP;
Michael Chan72b34f02016-04-05 14:08:59 -04001978
1979 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1980 return -EOPNOTSUPP;
1981
1982 if (!edata->eee_enabled)
1983 goto eee_ok;
1984
1985 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1986 netdev_warn(dev, "EEE requires autoneg\n");
1987 return -EINVAL;
1988 }
1989 if (edata->tx_lpi_enabled) {
1990 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1991 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1992 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1993 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1994 return -EINVAL;
1995 } else if (!bp->lpi_tmr_hi) {
1996 edata->tx_lpi_timer = eee->tx_lpi_timer;
1997 }
1998 }
1999 if (!edata->advertised) {
2000 edata->advertised = advertising & eee->supported;
2001 } else if (edata->advertised & ~advertising) {
2002 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2003 edata->advertised, advertising);
2004 return -EINVAL;
2005 }
2006
2007 eee->advertised = edata->advertised;
2008 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2009 eee->tx_lpi_timer = edata->tx_lpi_timer;
2010eee_ok:
2011 eee->eee_enabled = edata->eee_enabled;
2012
2013 if (netif_running(dev))
2014 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2015
2016 return rc;
2017}
2018
2019static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2020{
2021 struct bnxt *bp = netdev_priv(dev);
2022
2023 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2024 return -EOPNOTSUPP;
2025
2026 *edata = bp->eee;
2027 if (!bp->eee.eee_enabled) {
2028 /* Preserve tx_lpi_timer so that the last value will be used
2029 * by default when it is re-enabled.
2030 */
2031 edata->advertised = 0;
2032 edata->tx_lpi_enabled = 0;
2033 }
2034
2035 if (!bp->eee.eee_active)
2036 edata->lp_advertised = 0;
2037
2038 return 0;
2039}
2040
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002041static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2042 u16 page_number, u16 start_addr,
2043 u16 data_length, u8 *buf)
2044{
2045 struct hwrm_port_phy_i2c_read_input req = {0};
2046 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2047 int rc, byte_offset = 0;
2048
2049 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2050 req.i2c_slave_addr = i2c_addr;
2051 req.page_number = cpu_to_le16(page_number);
2052 req.port_id = cpu_to_le16(bp->pf.port_id);
2053 do {
2054 u16 xfer_size;
2055
2056 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2057 data_length -= xfer_size;
2058 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2059 req.data_length = xfer_size;
2060 req.enables = cpu_to_le32(start_addr + byte_offset ?
2061 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2062 mutex_lock(&bp->hwrm_cmd_lock);
2063 rc = _hwrm_send_message(bp, &req, sizeof(req),
2064 HWRM_CMD_TIMEOUT);
2065 if (!rc)
2066 memcpy(buf + byte_offset, output->data, xfer_size);
2067 mutex_unlock(&bp->hwrm_cmd_lock);
2068 byte_offset += xfer_size;
2069 } while (!rc && data_length > 0);
2070
2071 return rc;
2072}
2073
2074static int bnxt_get_module_info(struct net_device *dev,
2075 struct ethtool_modinfo *modinfo)
2076{
2077 struct bnxt *bp = netdev_priv(dev);
2078 struct hwrm_port_phy_i2c_read_input req = {0};
2079 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2080 int rc;
2081
2082 /* No point in going further if phy status indicates
2083 * module is not inserted or if it is powered down or
2084 * if it is of type 10GBase-T
2085 */
2086 if (bp->link_info.module_status >
2087 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2088 return -EOPNOTSUPP;
2089
2090 /* This feature is not supported in older firmware versions */
2091 if (bp->hwrm_spec_code < 0x10202)
2092 return -EOPNOTSUPP;
2093
2094 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2095 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2096 req.page_number = 0;
2097 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2098 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2099 req.port_id = cpu_to_le16(bp->pf.port_id);
2100 mutex_lock(&bp->hwrm_cmd_lock);
2101 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2102 if (!rc) {
2103 u32 module_id = le32_to_cpu(output->data[0]);
2104
2105 switch (module_id) {
2106 case SFF_MODULE_ID_SFP:
2107 modinfo->type = ETH_MODULE_SFF_8472;
2108 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2109 break;
2110 case SFF_MODULE_ID_QSFP:
2111 case SFF_MODULE_ID_QSFP_PLUS:
2112 modinfo->type = ETH_MODULE_SFF_8436;
2113 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2114 break;
2115 case SFF_MODULE_ID_QSFP28:
2116 modinfo->type = ETH_MODULE_SFF_8636;
2117 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2118 break;
2119 default:
2120 rc = -EOPNOTSUPP;
2121 break;
2122 }
2123 }
2124 mutex_unlock(&bp->hwrm_cmd_lock);
2125 return rc;
2126}
2127
2128static int bnxt_get_module_eeprom(struct net_device *dev,
2129 struct ethtool_eeprom *eeprom,
2130 u8 *data)
2131{
2132 struct bnxt *bp = netdev_priv(dev);
2133 u16 start = eeprom->offset, length = eeprom->len;
Colin Ian Kingf3ea3112016-07-08 16:42:48 +01002134 int rc = 0;
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002135
2136 memset(data, 0, eeprom->len);
2137
2138 /* Read A0 portion of the EEPROM */
2139 if (start < ETH_MODULE_SFF_8436_LEN) {
2140 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2141 length = ETH_MODULE_SFF_8436_LEN - start;
2142 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2143 start, length, data);
2144 if (rc)
2145 return rc;
2146 start += length;
2147 data += length;
2148 length = eeprom->len - length;
2149 }
2150
2151 /* Read A2 portion of the EEPROM */
2152 if (length) {
2153 start -= ETH_MODULE_SFF_8436_LEN;
Christophe JAILLETdea521a2017-11-21 20:46:49 +01002154 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2155 start, length, data);
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002156 }
2157 return rc;
2158}
2159
Deepak Khungarae8e98a2016-09-19 03:58:08 -04002160static int bnxt_nway_reset(struct net_device *dev)
2161{
2162 int rc = 0;
2163
2164 struct bnxt *bp = netdev_priv(dev);
2165 struct bnxt_link_info *link_info = &bp->link_info;
2166
2167 if (!BNXT_SINGLE_PF(bp))
2168 return -EOPNOTSUPP;
2169
2170 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2171 return -EINVAL;
2172
2173 if (netif_running(dev))
2174 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2175
2176 return rc;
2177}
2178
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002179static int bnxt_set_phys_id(struct net_device *dev,
2180 enum ethtool_phys_id_state state)
2181{
2182 struct hwrm_port_led_cfg_input req = {0};
2183 struct bnxt *bp = netdev_priv(dev);
2184 struct bnxt_pf_info *pf = &bp->pf;
2185 struct bnxt_led_cfg *led_cfg;
2186 u8 led_state;
2187 __le16 duration;
2188 int i, rc;
2189
2190 if (!bp->num_leds || BNXT_VF(bp))
2191 return -EOPNOTSUPP;
2192
2193 if (state == ETHTOOL_ID_ACTIVE) {
2194 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2195 duration = cpu_to_le16(500);
2196 } else if (state == ETHTOOL_ID_INACTIVE) {
2197 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2198 duration = cpu_to_le16(0);
2199 } else {
2200 return -EINVAL;
2201 }
2202 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2203 req.port_id = cpu_to_le16(pf->port_id);
2204 req.num_leds = bp->num_leds;
2205 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2206 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2207 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2208 led_cfg->led_id = bp->leds[i].led_id;
2209 led_cfg->led_state = led_state;
2210 led_cfg->led_blink_on = duration;
2211 led_cfg->led_blink_off = duration;
2212 led_cfg->led_group_id = bp->leds[i].led_group_id;
2213 }
2214 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2215 if (rc)
2216 rc = -EIO;
2217 return rc;
2218}
2219
Michael Chan67fea462017-04-04 18:14:15 -04002220static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2221{
2222 struct hwrm_selftest_irq_input req = {0};
2223
2224 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2225 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2226}
2227
2228static int bnxt_test_irq(struct bnxt *bp)
2229{
2230 int i;
2231
2232 for (i = 0; i < bp->cp_nr_rings; i++) {
2233 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2234 int rc;
2235
2236 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2237 if (rc)
2238 return rc;
2239 }
2240 return 0;
2241}
2242
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002243static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2244{
2245 struct hwrm_port_mac_cfg_input req = {0};
2246
2247 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2248
2249 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2250 if (enable)
2251 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2252 else
2253 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2254 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2255}
2256
Michael Chan91725d82017-04-04 18:14:14 -04002257static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2258 struct hwrm_port_phy_cfg_input *req)
2259{
2260 struct bnxt_link_info *link_info = &bp->link_info;
2261 u16 fw_advertising = link_info->advertising;
2262 u16 fw_speed;
2263 int rc;
2264
2265 if (!link_info->autoneg)
2266 return 0;
2267
2268 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2269 if (netif_carrier_ok(bp->dev))
2270 fw_speed = bp->link_info.link_speed;
2271 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2272 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2273 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2274 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2275 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2276 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2277 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2278 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2279
2280 req->force_link_speed = cpu_to_le16(fw_speed);
2281 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2282 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2283 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2284 req->flags = 0;
2285 req->force_link_speed = cpu_to_le16(0);
2286 return rc;
2287}
2288
2289static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2290{
2291 struct hwrm_port_phy_cfg_input req = {0};
2292
2293 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2294
2295 if (enable) {
2296 bnxt_disable_an_for_lpbk(bp, &req);
2297 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2298 } else {
2299 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2300 }
2301 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2302 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2303}
2304
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002305static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2306 u32 raw_cons, int pkt_size)
2307{
2308 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2309 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2310 struct bnxt_sw_rx_bd *rx_buf;
2311 struct rx_cmp *rxcmp;
2312 u16 cp_cons, cons;
2313 u8 *data;
2314 u32 len;
2315 int i;
2316
2317 cp_cons = RING_CMP(raw_cons);
2318 rxcmp = (struct rx_cmp *)
2319 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2320 cons = rxcmp->rx_cmp_opaque;
2321 rx_buf = &rxr->rx_buf_ring[cons];
2322 data = rx_buf->data_ptr;
2323 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2324 if (len != pkt_size)
2325 return -EIO;
2326 i = ETH_ALEN;
2327 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2328 return -EIO;
2329 i += ETH_ALEN;
2330 for ( ; i < pkt_size; i++) {
2331 if (data[i] != (u8)(i & 0xff))
2332 return -EIO;
2333 }
2334 return 0;
2335}
2336
2337static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2338{
2339 struct bnxt_napi *bnapi = bp->bnapi[0];
2340 struct bnxt_cp_ring_info *cpr;
2341 struct tx_cmp *txcmp;
2342 int rc = -EIO;
2343 u32 raw_cons;
2344 u32 cons;
2345 int i;
2346
2347 cpr = &bnapi->cp_ring;
2348 raw_cons = cpr->cp_raw_cons;
2349 for (i = 0; i < 200; i++) {
2350 cons = RING_CMP(raw_cons);
2351 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2352
2353 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2354 udelay(5);
2355 continue;
2356 }
2357
2358 /* The valid test of the entry must be done first before
2359 * reading any further.
2360 */
2361 dma_rmb();
2362 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2363 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2364 raw_cons = NEXT_RAW_CMP(raw_cons);
2365 raw_cons = NEXT_RAW_CMP(raw_cons);
2366 break;
2367 }
2368 raw_cons = NEXT_RAW_CMP(raw_cons);
2369 }
2370 cpr->cp_raw_cons = raw_cons;
2371 return rc;
2372}
2373
2374static int bnxt_run_loopback(struct bnxt *bp)
2375{
2376 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2377 int pkt_size, i = 0;
2378 struct sk_buff *skb;
2379 dma_addr_t map;
2380 u8 *data;
2381 int rc;
2382
2383 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2384 skb = netdev_alloc_skb(bp->dev, pkt_size);
2385 if (!skb)
2386 return -ENOMEM;
2387 data = skb_put(skb, pkt_size);
2388 eth_broadcast_addr(data);
2389 i += ETH_ALEN;
2390 ether_addr_copy(&data[i], bp->dev->dev_addr);
2391 i += ETH_ALEN;
2392 for ( ; i < pkt_size; i++)
2393 data[i] = (u8)(i & 0xff);
2394
2395 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2396 PCI_DMA_TODEVICE);
2397 if (dma_mapping_error(&bp->pdev->dev, map)) {
2398 dev_kfree_skb(skb);
2399 return -EIO;
2400 }
2401 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2402
2403 /* Sync BD data before updating doorbell */
2404 wmb();
2405
Michael Chan434c9752017-05-29 19:06:08 -04002406 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002407 rc = bnxt_poll_loopback(bp, pkt_size);
2408
2409 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2410 dev_kfree_skb(skb);
2411 return rc;
2412}
2413
Michael Chaneb513652017-04-04 18:14:12 -04002414static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2415{
2416 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2417 struct hwrm_selftest_exec_input req = {0};
2418 int rc;
2419
2420 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2421 mutex_lock(&bp->hwrm_cmd_lock);
2422 resp->test_success = 0;
2423 req.flags = test_mask;
2424 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2425 *test_results = resp->test_success;
2426 mutex_unlock(&bp->hwrm_cmd_lock);
2427 return rc;
2428}
2429
Michael Chan67fea462017-04-04 18:14:15 -04002430#define BNXT_DRV_TESTS 3
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002431#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
Michael Chan91725d82017-04-04 18:14:14 -04002432#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
Michael Chan67fea462017-04-04 18:14:15 -04002433#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
Michael Chaneb513652017-04-04 18:14:12 -04002434
2435static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2436 u64 *buf)
2437{
2438 struct bnxt *bp = netdev_priv(dev);
2439 bool offline = false;
2440 u8 test_results = 0;
2441 u8 test_mask = 0;
2442 int rc, i;
2443
2444 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2445 return;
2446 memset(buf, 0, sizeof(u64) * bp->num_tests);
2447 if (!netif_running(dev)) {
2448 etest->flags |= ETH_TEST_FL_FAILED;
2449 return;
2450 }
2451
2452 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2453 if (bp->pf.active_vfs) {
2454 etest->flags |= ETH_TEST_FL_FAILED;
2455 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2456 return;
2457 }
2458 offline = true;
2459 }
2460
2461 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2462 u8 bit_val = 1 << i;
2463
2464 if (!(bp->test_info->offline_mask & bit_val))
2465 test_mask |= bit_val;
2466 else if (offline)
2467 test_mask |= bit_val;
2468 }
2469 if (!offline) {
2470 bnxt_run_fw_tests(bp, test_mask, &test_results);
2471 } else {
2472 rc = bnxt_close_nic(bp, false, false);
2473 if (rc)
2474 return;
2475 bnxt_run_fw_tests(bp, test_mask, &test_results);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002476
2477 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2478 bnxt_hwrm_mac_loopback(bp, true);
2479 msleep(250);
2480 rc = bnxt_half_open_nic(bp);
2481 if (rc) {
2482 bnxt_hwrm_mac_loopback(bp, false);
2483 etest->flags |= ETH_TEST_FL_FAILED;
2484 return;
2485 }
2486 if (bnxt_run_loopback(bp))
2487 etest->flags |= ETH_TEST_FL_FAILED;
2488 else
2489 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2490
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002491 bnxt_hwrm_mac_loopback(bp, false);
Michael Chan91725d82017-04-04 18:14:14 -04002492 bnxt_hwrm_phy_loopback(bp, true);
2493 msleep(1000);
2494 if (bnxt_run_loopback(bp)) {
2495 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2496 etest->flags |= ETH_TEST_FL_FAILED;
2497 }
2498 bnxt_hwrm_phy_loopback(bp, false);
2499 bnxt_half_close_nic(bp);
Michael Chaneb513652017-04-04 18:14:12 -04002500 bnxt_open_nic(bp, false, true);
2501 }
Michael Chan67fea462017-04-04 18:14:15 -04002502 if (bnxt_test_irq(bp)) {
2503 buf[BNXT_IRQ_TEST_IDX] = 1;
2504 etest->flags |= ETH_TEST_FL_FAILED;
2505 }
Michael Chaneb513652017-04-04 18:14:12 -04002506 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2507 u8 bit_val = 1 << i;
2508
2509 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2510 buf[i] = 1;
2511 etest->flags |= ETH_TEST_FL_FAILED;
2512 }
2513 }
2514}
2515
Vasundhara Volam49f79722017-10-26 11:51:26 -04002516static int bnxt_reset(struct net_device *dev, u32 *flags)
2517{
2518 struct bnxt *bp = netdev_priv(dev);
2519 int rc = 0;
2520
2521 if (!BNXT_PF(bp)) {
2522 netdev_err(dev, "Reset is not supported from a VF\n");
2523 return -EOPNOTSUPP;
2524 }
2525
2526 if (pci_vfs_assigned(bp->pdev)) {
2527 netdev_err(dev,
2528 "Reset not allowed when VFs are assigned to VMs\n");
2529 return -EBUSY;
2530 }
2531
2532 if (*flags == ETH_RESET_ALL) {
2533 /* This feature is not supported in older firmware versions */
2534 if (bp->hwrm_spec_code < 0x10803)
2535 return -EOPNOTSUPP;
2536
2537 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2538 if (!rc)
2539 netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
Scott Branden6502ad52017-11-30 11:36:00 -08002540 } else if (*flags == ETH_RESET_AP) {
2541 /* This feature is not supported in older firmware versions */
2542 if (bp->hwrm_spec_code < 0x10803)
2543 return -EOPNOTSUPP;
2544
2545 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
2546 if (!rc)
2547 netdev_info(dev, "Reset Application Processor request successful.\n");
Vasundhara Volam49f79722017-10-26 11:51:26 -04002548 } else {
2549 rc = -EINVAL;
2550 }
2551
2552 return rc;
2553}
2554
Michael Chaneb513652017-04-04 18:14:12 -04002555void bnxt_ethtool_init(struct bnxt *bp)
2556{
2557 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2558 struct hwrm_selftest_qlist_input req = {0};
2559 struct bnxt_test_info *test_info;
Michael Chan431aa1e2017-10-26 11:51:23 -04002560 struct net_device *dev = bp->dev;
2561 char *pkglog;
Michael Chaneb513652017-04-04 18:14:12 -04002562 int i, rc;
2563
Michael Chan431aa1e2017-10-26 11:51:23 -04002564 pkglog = kzalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
2565 if (pkglog) {
2566 char *pkgver;
2567 int len;
2568
2569 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
2570 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2571 len = strlen(bp->fw_ver_str);
2572 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2573 "/pkg %s", pkgver);
2574 }
2575 kfree(pkglog);
2576 }
Michael Chaneb513652017-04-04 18:14:12 -04002577 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2578 return;
2579
2580 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2581 mutex_lock(&bp->hwrm_cmd_lock);
2582 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2583 if (rc)
2584 goto ethtool_init_exit;
2585
2586 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2587 if (!test_info)
2588 goto ethtool_init_exit;
2589
2590 bp->test_info = test_info;
2591 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2592 if (bp->num_tests > BNXT_MAX_TEST)
2593 bp->num_tests = BNXT_MAX_TEST;
2594
2595 test_info->offline_mask = resp->offline_tests;
2596 test_info->timeout = le16_to_cpu(resp->test_timeout);
2597 if (!test_info->timeout)
2598 test_info->timeout = HWRM_CMD_TIMEOUT;
2599 for (i = 0; i < bp->num_tests; i++) {
2600 char *str = test_info->string[i];
2601 char *fw_str = resp->test0_name + i * 32;
2602
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002603 if (i == BNXT_MACLPBK_TEST_IDX) {
2604 strcpy(str, "Mac loopback test (offline)");
Michael Chan91725d82017-04-04 18:14:14 -04002605 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2606 strcpy(str, "Phy loopback test (offline)");
Michael Chan67fea462017-04-04 18:14:15 -04002607 } else if (i == BNXT_IRQ_TEST_IDX) {
2608 strcpy(str, "Interrupt_test (offline)");
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002609 } else {
2610 strlcpy(str, fw_str, ETH_GSTRING_LEN);
2611 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2612 if (test_info->offline_mask & (1 << i))
2613 strncat(str, " (offline)",
2614 ETH_GSTRING_LEN - strlen(str));
2615 else
2616 strncat(str, " (online)",
2617 ETH_GSTRING_LEN - strlen(str));
2618 }
Michael Chaneb513652017-04-04 18:14:12 -04002619 }
2620
2621ethtool_init_exit:
2622 mutex_unlock(&bp->hwrm_cmd_lock);
2623}
2624
2625void bnxt_ethtool_free(struct bnxt *bp)
2626{
2627 kfree(bp->test_info);
2628 bp->test_info = NULL;
2629}
2630
Michael Chanc0c050c2015-10-22 16:01:17 -04002631const struct ethtool_ops bnxt_ethtool_ops = {
Michael Chan00c04a92016-06-13 02:25:38 -04002632 .get_link_ksettings = bnxt_get_link_ksettings,
2633 .set_link_ksettings = bnxt_set_link_ksettings,
Michael Chanc0c050c2015-10-22 16:01:17 -04002634 .get_pauseparam = bnxt_get_pauseparam,
2635 .set_pauseparam = bnxt_set_pauseparam,
2636 .get_drvinfo = bnxt_get_drvinfo,
Michael Chan8e202362017-04-04 18:14:09 -04002637 .get_wol = bnxt_get_wol,
Michael Chan5282db62017-04-04 18:14:10 -04002638 .set_wol = bnxt_set_wol,
Michael Chanc0c050c2015-10-22 16:01:17 -04002639 .get_coalesce = bnxt_get_coalesce,
2640 .set_coalesce = bnxt_set_coalesce,
2641 .get_msglevel = bnxt_get_msglevel,
2642 .set_msglevel = bnxt_set_msglevel,
2643 .get_sset_count = bnxt_get_sset_count,
2644 .get_strings = bnxt_get_strings,
2645 .get_ethtool_stats = bnxt_get_ethtool_stats,
2646 .set_ringparam = bnxt_set_ringparam,
2647 .get_ringparam = bnxt_get_ringparam,
2648 .get_channels = bnxt_get_channels,
2649 .set_channels = bnxt_set_channels,
Michael Chanc0c050c2015-10-22 16:01:17 -04002650 .get_rxnfc = bnxt_get_rxnfc,
Michael Chana0119522016-11-16 21:13:10 -05002651 .set_rxnfc = bnxt_set_rxnfc,
Michael Chanc0c050c2015-10-22 16:01:17 -04002652 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2653 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2654 .get_rxfh = bnxt_get_rxfh,
2655 .flash_device = bnxt_flash_device,
2656 .get_eeprom_len = bnxt_get_eeprom_len,
2657 .get_eeprom = bnxt_get_eeprom,
2658 .set_eeprom = bnxt_set_eeprom,
2659 .get_link = bnxt_get_link,
Michael Chan72b34f02016-04-05 14:08:59 -04002660 .get_eee = bnxt_get_eee,
2661 .set_eee = bnxt_set_eee,
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002662 .get_module_info = bnxt_get_module_info,
2663 .get_module_eeprom = bnxt_get_module_eeprom,
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002664 .nway_reset = bnxt_nway_reset,
2665 .set_phys_id = bnxt_set_phys_id,
Michael Chaneb513652017-04-04 18:14:12 -04002666 .self_test = bnxt_self_test,
Vasundhara Volam49f79722017-10-26 11:51:26 -04002667 .reset = bnxt_reset,
Michael Chanc0c050c2015-10-22 16:01:17 -04002668};