blob: fc32df7f979f71ff9777c86e59314f4754f903cb [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);
47
48 memset(coal, 0, sizeof(*coal));
49
Michael Chandfb5b892016-02-26 04:00:01 -050050 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
51 /* 2 completion records per rx packet */
52 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
53 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
54 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
Michael Chanc0c050c2015-10-22 16:01:17 -040055
Michael Chandfc9c942016-02-26 04:00:03 -050056 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
57 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
58 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
59 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
60
Michael Chan51f30782016-07-01 18:46:29 -040061 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
62
Michael Chanc0c050c2015-10-22 16:01:17 -040063 return 0;
64}
65
66static int bnxt_set_coalesce(struct net_device *dev,
67 struct ethtool_coalesce *coal)
68{
69 struct bnxt *bp = netdev_priv(dev);
Michael Chan51f30782016-07-01 18:46:29 -040070 bool update_stats = false;
Michael Chanc0c050c2015-10-22 16:01:17 -040071 int rc = 0;
72
Michael Chandfb5b892016-02-26 04:00:01 -050073 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
74 /* 2 completion records per rx packet */
75 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
76 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
77 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
Michael Chanc0c050c2015-10-22 16:01:17 -040078
Michael Chandfc9c942016-02-26 04:00:03 -050079 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
80 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
81 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
82 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
83
Michael Chan51f30782016-07-01 18:46:29 -040084 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
85 u32 stats_ticks = coal->stats_block_coalesce_usecs;
86
Michael Chanadcc3312017-07-24 12:34:24 -040087 /* Allow 0, which means disable. */
88 if (stats_ticks)
89 stats_ticks = clamp_t(u32, stats_ticks,
90 BNXT_MIN_STATS_COAL_TICKS,
91 BNXT_MAX_STATS_COAL_TICKS);
Michael Chan51f30782016-07-01 18:46:29 -040092 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
93 bp->stats_coal_ticks = stats_ticks;
94 update_stats = true;
95 }
96
97 if (netif_running(dev)) {
98 if (update_stats) {
99 rc = bnxt_close_nic(bp, true, false);
100 if (!rc)
101 rc = bnxt_open_nic(bp, true, false);
102 } else {
103 rc = bnxt_hwrm_set_coal(bp);
104 }
105 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400106
107 return rc;
108}
109
110#define BNXT_NUM_STATS 21
111
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500112#define BNXT_RX_STATS_ENTRY(counter) \
113 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
114
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500115#define BNXT_TX_STATS_ENTRY(counter) \
116 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
117
118static const struct {
119 long offset;
120 char string[ETH_GSTRING_LEN];
121} bnxt_port_stats_arr[] = {
122 BNXT_RX_STATS_ENTRY(rx_64b_frames),
123 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
124 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
125 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
126 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
127 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
128 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
129 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
130 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
131 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
132 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
133 BNXT_RX_STATS_ENTRY(rx_total_frames),
134 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
135 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
136 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
137 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
138 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
139 BNXT_RX_STATS_ENTRY(rx_pause_frames),
140 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
141 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
142 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
143 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
144 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
145 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
146 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
147 BNXT_RX_STATS_ENTRY(rx_good_frames),
Michael Chanc77192f2016-12-02 21:17:18 -0500148 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
149 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
154 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
155 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500156 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
157 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
158 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
159 BNXT_RX_STATS_ENTRY(rx_bytes),
160 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
161 BNXT_RX_STATS_ENTRY(rx_runt_frames),
162
163 BNXT_TX_STATS_ENTRY(tx_64b_frames),
164 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
165 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
166 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
167 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
168 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
169 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
170 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
171 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
172 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
173 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
174 BNXT_TX_STATS_ENTRY(tx_good_frames),
175 BNXT_TX_STATS_ENTRY(tx_total_frames),
176 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
177 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
178 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
179 BNXT_TX_STATS_ENTRY(tx_pause_frames),
180 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
181 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
182 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
183 BNXT_TX_STATS_ENTRY(tx_err),
184 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
Michael Chanc77192f2016-12-02 21:17:18 -0500185 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
186 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
191 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
192 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500193 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
194 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
195 BNXT_TX_STATS_ENTRY(tx_total_collisions),
196 BNXT_TX_STATS_ENTRY(tx_bytes),
197};
198
199#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
200
Michael Chan5c8227d2017-07-24 12:34:23 -0400201static int bnxt_get_num_stats(struct bnxt *bp)
202{
203 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
204
205 if (bp->flags & BNXT_FLAG_PORT_STATS)
206 num_stats += BNXT_NUM_PORT_STATS;
207
208 return num_stats;
209}
210
Michael Chanc0c050c2015-10-22 16:01:17 -0400211static int bnxt_get_sset_count(struct net_device *dev, int sset)
212{
213 struct bnxt *bp = netdev_priv(dev);
214
215 switch (sset) {
Michael Chan5c8227d2017-07-24 12:34:23 -0400216 case ETH_SS_STATS:
217 return bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400218 case ETH_SS_TEST:
219 if (!bp->num_tests)
220 return -EOPNOTSUPP;
221 return bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400222 default:
223 return -EOPNOTSUPP;
224 }
225}
226
227static void bnxt_get_ethtool_stats(struct net_device *dev,
228 struct ethtool_stats *stats, u64 *buf)
229{
230 u32 i, j = 0;
231 struct bnxt *bp = netdev_priv(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400232 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
233
Michael Chanc0c050c2015-10-22 16:01:17 -0400234 if (!bp->bnapi)
235 return;
236
237 for (i = 0; i < bp->cp_nr_rings; i++) {
238 struct bnxt_napi *bnapi = bp->bnapi[i];
239 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
240 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
241 int k;
242
243 for (k = 0; k < stat_fields; j++, k++)
244 buf[j] = le64_to_cpu(hw_stats[k]);
245 buf[j++] = cpr->rx_l4_csum_errors;
246 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500247 if (bp->flags & BNXT_FLAG_PORT_STATS) {
248 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
249
250 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
251 buf[j] = le64_to_cpu(*(port_stats +
252 bnxt_port_stats_arr[i].offset));
253 }
254 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400255}
256
257static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
258{
259 struct bnxt *bp = netdev_priv(dev);
260 u32 i;
261
262 switch (stringset) {
263 /* The number of strings must match BNXT_NUM_STATS defined above. */
264 case ETH_SS_STATS:
265 for (i = 0; i < bp->cp_nr_rings; i++) {
266 sprintf(buf, "[%d]: rx_ucast_packets", i);
267 buf += ETH_GSTRING_LEN;
268 sprintf(buf, "[%d]: rx_mcast_packets", i);
269 buf += ETH_GSTRING_LEN;
270 sprintf(buf, "[%d]: rx_bcast_packets", i);
271 buf += ETH_GSTRING_LEN;
272 sprintf(buf, "[%d]: rx_discards", i);
273 buf += ETH_GSTRING_LEN;
274 sprintf(buf, "[%d]: rx_drops", i);
275 buf += ETH_GSTRING_LEN;
276 sprintf(buf, "[%d]: rx_ucast_bytes", i);
277 buf += ETH_GSTRING_LEN;
278 sprintf(buf, "[%d]: rx_mcast_bytes", i);
279 buf += ETH_GSTRING_LEN;
280 sprintf(buf, "[%d]: rx_bcast_bytes", i);
281 buf += ETH_GSTRING_LEN;
282 sprintf(buf, "[%d]: tx_ucast_packets", i);
283 buf += ETH_GSTRING_LEN;
284 sprintf(buf, "[%d]: tx_mcast_packets", i);
285 buf += ETH_GSTRING_LEN;
286 sprintf(buf, "[%d]: tx_bcast_packets", i);
287 buf += ETH_GSTRING_LEN;
288 sprintf(buf, "[%d]: tx_discards", i);
289 buf += ETH_GSTRING_LEN;
290 sprintf(buf, "[%d]: tx_drops", i);
291 buf += ETH_GSTRING_LEN;
292 sprintf(buf, "[%d]: tx_ucast_bytes", i);
293 buf += ETH_GSTRING_LEN;
294 sprintf(buf, "[%d]: tx_mcast_bytes", i);
295 buf += ETH_GSTRING_LEN;
296 sprintf(buf, "[%d]: tx_bcast_bytes", i);
297 buf += ETH_GSTRING_LEN;
298 sprintf(buf, "[%d]: tpa_packets", i);
299 buf += ETH_GSTRING_LEN;
300 sprintf(buf, "[%d]: tpa_bytes", i);
301 buf += ETH_GSTRING_LEN;
302 sprintf(buf, "[%d]: tpa_events", i);
303 buf += ETH_GSTRING_LEN;
304 sprintf(buf, "[%d]: tpa_aborts", i);
305 buf += ETH_GSTRING_LEN;
306 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
307 buf += ETH_GSTRING_LEN;
308 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500309 if (bp->flags & BNXT_FLAG_PORT_STATS) {
310 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
311 strcpy(buf, bnxt_port_stats_arr[i].string);
312 buf += ETH_GSTRING_LEN;
313 }
314 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400315 break;
Michael Chaneb513652017-04-04 18:14:12 -0400316 case ETH_SS_TEST:
317 if (bp->num_tests)
318 memcpy(buf, bp->test_info->string,
319 bp->num_tests * ETH_GSTRING_LEN);
320 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400321 default:
322 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
323 stringset);
324 break;
325 }
326}
327
328static void bnxt_get_ringparam(struct net_device *dev,
329 struct ethtool_ringparam *ering)
330{
331 struct bnxt *bp = netdev_priv(dev);
332
333 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
334 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
335 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
336
337 ering->rx_pending = bp->rx_ring_size;
338 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
339 ering->tx_pending = bp->tx_ring_size;
340}
341
342static int bnxt_set_ringparam(struct net_device *dev,
343 struct ethtool_ringparam *ering)
344{
345 struct bnxt *bp = netdev_priv(dev);
346
347 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
348 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
349 (ering->tx_pending <= MAX_SKB_FRAGS))
350 return -EINVAL;
351
352 if (netif_running(dev))
353 bnxt_close_nic(bp, false, false);
354
355 bp->rx_ring_size = ering->rx_pending;
356 bp->tx_ring_size = ering->tx_pending;
357 bnxt_set_ring_params(bp);
358
359 if (netif_running(dev))
360 return bnxt_open_nic(bp, false, false);
361
362 return 0;
363}
364
365static void bnxt_get_channels(struct net_device *dev,
366 struct ethtool_channels *channel)
367{
368 struct bnxt *bp = netdev_priv(dev);
369 int max_rx_rings, max_tx_rings, tcs;
370
Michael Chan6e6c5a52016-01-02 23:45:02 -0500371 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
Michael Chana79a5272017-02-12 19:18:12 -0500372 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
Michael Chan068c9ec2016-01-02 23:45:04 -0500373
Satish Baddipadige18d6e4e2016-05-15 03:04:43 -0400374 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
375 max_rx_rings = 0;
376 max_tx_rings = 0;
377 }
378
Michael Chanc0c050c2015-10-22 16:01:17 -0400379 tcs = netdev_get_num_tc(dev);
380 if (tcs > 1)
381 max_tx_rings /= tcs;
382
383 channel->max_rx = max_rx_rings;
384 channel->max_tx = max_tx_rings;
385 channel->max_other = 0;
Michael Chan068c9ec2016-01-02 23:45:04 -0500386 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
387 channel->combined_count = bp->rx_nr_rings;
Prashant Sreedharan76595192016-07-18 07:15:22 -0400388 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
389 channel->combined_count--;
Michael Chan068c9ec2016-01-02 23:45:04 -0500390 } else {
Prashant Sreedharan76595192016-07-18 07:15:22 -0400391 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
392 channel->rx_count = bp->rx_nr_rings;
393 channel->tx_count = bp->tx_nr_rings_per_tc;
394 }
Michael Chan068c9ec2016-01-02 23:45:04 -0500395 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400396}
397
398static int bnxt_set_channels(struct net_device *dev,
399 struct ethtool_channels *channel)
400{
401 struct bnxt *bp = netdev_priv(dev);
Michael Chand1e79252017-02-06 16:55:38 -0500402 int req_tx_rings, req_rx_rings, tcs;
Michael Chan068c9ec2016-01-02 23:45:04 -0500403 bool sh = false;
Michael Chan5f449242017-02-06 16:55:40 -0500404 int tx_xdp = 0;
Michael Chand1e79252017-02-06 16:55:38 -0500405 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -0400406
Michael Chan068c9ec2016-01-02 23:45:04 -0500407 if (channel->other_count)
Michael Chanc0c050c2015-10-22 16:01:17 -0400408 return -EINVAL;
409
Michael Chan068c9ec2016-01-02 23:45:04 -0500410 if (!channel->combined_count &&
411 (!channel->rx_count || !channel->tx_count))
412 return -EINVAL;
413
414 if (channel->combined_count &&
415 (channel->rx_count || channel->tx_count))
416 return -EINVAL;
417
Prashant Sreedharan76595192016-07-18 07:15:22 -0400418 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
419 channel->tx_count))
420 return -EINVAL;
421
Michael Chan068c9ec2016-01-02 23:45:04 -0500422 if (channel->combined_count)
423 sh = true;
424
Michael Chanc0c050c2015-10-22 16:01:17 -0400425 tcs = netdev_get_num_tc(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400426
Michael Chan391be5c2016-12-29 12:13:41 -0500427 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
Michael Chand1e79252017-02-06 16:55:38 -0500428 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
Michael Chan5f449242017-02-06 16:55:40 -0500429 if (bp->tx_nr_rings_xdp) {
430 if (!sh) {
431 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
432 return -EINVAL;
433 }
434 tx_xdp = req_rx_rings;
435 }
Michael Chan98fdbe72017-08-28 13:40:26 -0400436 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
Michael Chand1e79252017-02-06 16:55:38 -0500437 if (rc) {
438 netdev_warn(dev, "Unable to allocate the requested rings\n");
439 return rc;
Michael Chan391be5c2016-12-29 12:13:41 -0500440 }
441
Michael Chanc0c050c2015-10-22 16:01:17 -0400442 if (netif_running(dev)) {
443 if (BNXT_PF(bp)) {
444 /* TODO CHIMP_FW: Send message to all VF's
445 * before PF unload
446 */
447 }
448 rc = bnxt_close_nic(bp, true, false);
449 if (rc) {
450 netdev_err(bp->dev, "Set channel failure rc :%x\n",
451 rc);
452 return rc;
453 }
454 }
455
Michael Chan068c9ec2016-01-02 23:45:04 -0500456 if (sh) {
457 bp->flags |= BNXT_FLAG_SHARED_RINGS;
Michael Chand1e79252017-02-06 16:55:38 -0500458 bp->rx_nr_rings = channel->combined_count;
459 bp->tx_nr_rings_per_tc = channel->combined_count;
Michael Chan068c9ec2016-01-02 23:45:04 -0500460 } else {
461 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
462 bp->rx_nr_rings = channel->rx_count;
463 bp->tx_nr_rings_per_tc = channel->tx_count;
464 }
Michael Chan5f449242017-02-06 16:55:40 -0500465 bp->tx_nr_rings_xdp = tx_xdp;
466 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
Michael Chanc0c050c2015-10-22 16:01:17 -0400467 if (tcs > 1)
Michael Chan5f449242017-02-06 16:55:40 -0500468 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
Michael Chan068c9ec2016-01-02 23:45:04 -0500469
470 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
471 bp->tx_nr_rings + bp->rx_nr_rings;
472
Michael Chanc0c050c2015-10-22 16:01:17 -0400473 bp->num_stat_ctxs = bp->cp_nr_rings;
474
Michael Chan2bcfa6f2015-12-27 18:19:24 -0500475 /* After changing number of rx channels, update NTUPLE feature. */
476 netdev_update_features(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400477 if (netif_running(dev)) {
478 rc = bnxt_open_nic(bp, true, false);
479 if ((!rc) && BNXT_PF(bp)) {
480 /* TODO CHIMP_FW: Send message to all VF's
481 * to renable
482 */
483 }
484 }
485
486 return rc;
487}
488
489#ifdef CONFIG_RFS_ACCEL
490static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
491 u32 *rule_locs)
492{
493 int i, j = 0;
494
495 cmd->data = bp->ntp_fltr_count;
496 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
497 struct hlist_head *head;
498 struct bnxt_ntuple_filter *fltr;
499
500 head = &bp->ntp_fltr_hash_tbl[i];
501 rcu_read_lock();
502 hlist_for_each_entry_rcu(fltr, head, hash) {
503 if (j == cmd->rule_cnt)
504 break;
505 rule_locs[j++] = fltr->sw_id;
506 }
507 rcu_read_unlock();
508 if (j == cmd->rule_cnt)
509 break;
510 }
511 cmd->rule_cnt = j;
512 return 0;
513}
514
515static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
516{
517 struct ethtool_rx_flow_spec *fs =
518 (struct ethtool_rx_flow_spec *)&cmd->fs;
519 struct bnxt_ntuple_filter *fltr;
520 struct flow_keys *fkeys;
521 int i, rc = -EINVAL;
522
stephen hemmingerb721cfa2017-07-24 10:25:18 -0700523 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
Michael Chanc0c050c2015-10-22 16:01:17 -0400524 return rc;
525
526 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
527 struct hlist_head *head;
528
529 head = &bp->ntp_fltr_hash_tbl[i];
530 rcu_read_lock();
531 hlist_for_each_entry_rcu(fltr, head, hash) {
532 if (fltr->sw_id == fs->location)
533 goto fltr_found;
534 }
535 rcu_read_unlock();
536 }
537 return rc;
538
539fltr_found:
540 fkeys = &fltr->fkeys;
Michael Chandda0e742016-12-29 12:13:40 -0500541 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
542 if (fkeys->basic.ip_proto == IPPROTO_TCP)
543 fs->flow_type = TCP_V4_FLOW;
544 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
545 fs->flow_type = UDP_V4_FLOW;
546 else
547 goto fltr_err;
Michael Chanc0c050c2015-10-22 16:01:17 -0400548
Michael Chandda0e742016-12-29 12:13:40 -0500549 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
550 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400551
Michael Chandda0e742016-12-29 12:13:40 -0500552 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
553 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400554
Michael Chandda0e742016-12-29 12:13:40 -0500555 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
556 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400557
Michael Chandda0e742016-12-29 12:13:40 -0500558 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
559 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
560 } else {
561 int i;
562
563 if (fkeys->basic.ip_proto == IPPROTO_TCP)
564 fs->flow_type = TCP_V6_FLOW;
565 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
566 fs->flow_type = UDP_V6_FLOW;
567 else
568 goto fltr_err;
569
570 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
571 fkeys->addrs.v6addrs.src;
572 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
573 fkeys->addrs.v6addrs.dst;
574 for (i = 0; i < 4; i++) {
575 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
576 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
577 }
578 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
579 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
580
581 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
582 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
583 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400584
585 fs->ring_cookie = fltr->rxq;
586 rc = 0;
587
588fltr_err:
589 rcu_read_unlock();
590
591 return rc;
592}
Michael Chana0119522016-11-16 21:13:10 -0500593#endif
594
595static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
596{
597 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
598 return RXH_IP_SRC | RXH_IP_DST;
599 return 0;
600}
601
602static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
603{
604 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
605 return RXH_IP_SRC | RXH_IP_DST;
606 return 0;
607}
608
609static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
610{
611 cmd->data = 0;
612 switch (cmd->flow_type) {
613 case TCP_V4_FLOW:
614 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
615 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
616 RXH_L4_B_0_1 | RXH_L4_B_2_3;
617 cmd->data |= get_ethtool_ipv4_rss(bp);
618 break;
619 case UDP_V4_FLOW:
620 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
621 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
622 RXH_L4_B_0_1 | RXH_L4_B_2_3;
623 /* fall through */
624 case SCTP_V4_FLOW:
625 case AH_ESP_V4_FLOW:
626 case AH_V4_FLOW:
627 case ESP_V4_FLOW:
628 case IPV4_FLOW:
629 cmd->data |= get_ethtool_ipv4_rss(bp);
630 break;
631
632 case TCP_V6_FLOW:
633 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
634 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
635 RXH_L4_B_0_1 | RXH_L4_B_2_3;
636 cmd->data |= get_ethtool_ipv6_rss(bp);
637 break;
638 case UDP_V6_FLOW:
639 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
640 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
641 RXH_L4_B_0_1 | RXH_L4_B_2_3;
642 /* fall through */
643 case SCTP_V6_FLOW:
644 case AH_ESP_V6_FLOW:
645 case AH_V6_FLOW:
646 case ESP_V6_FLOW:
647 case IPV6_FLOW:
648 cmd->data |= get_ethtool_ipv6_rss(bp);
649 break;
650 }
651 return 0;
652}
653
654#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
655#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
656
657static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
658{
659 u32 rss_hash_cfg = bp->rss_hash_cfg;
660 int tuple, rc = 0;
661
662 if (cmd->data == RXH_4TUPLE)
663 tuple = 4;
664 else if (cmd->data == RXH_2TUPLE)
665 tuple = 2;
666 else if (!cmd->data)
667 tuple = 0;
668 else
669 return -EINVAL;
670
671 if (cmd->flow_type == TCP_V4_FLOW) {
672 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
673 if (tuple == 4)
674 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
675 } else if (cmd->flow_type == UDP_V4_FLOW) {
676 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
677 return -EINVAL;
678 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
679 if (tuple == 4)
680 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
681 } else if (cmd->flow_type == TCP_V6_FLOW) {
682 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
683 if (tuple == 4)
684 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
685 } else if (cmd->flow_type == UDP_V6_FLOW) {
686 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
687 return -EINVAL;
688 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
689 if (tuple == 4)
690 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
691 } else if (tuple == 4) {
692 return -EINVAL;
693 }
694
695 switch (cmd->flow_type) {
696 case TCP_V4_FLOW:
697 case UDP_V4_FLOW:
698 case SCTP_V4_FLOW:
699 case AH_ESP_V4_FLOW:
700 case AH_V4_FLOW:
701 case ESP_V4_FLOW:
702 case IPV4_FLOW:
703 if (tuple == 2)
704 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
705 else if (!tuple)
706 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
707 break;
708
709 case TCP_V6_FLOW:
710 case UDP_V6_FLOW:
711 case SCTP_V6_FLOW:
712 case AH_ESP_V6_FLOW:
713 case AH_V6_FLOW:
714 case ESP_V6_FLOW:
715 case IPV6_FLOW:
716 if (tuple == 2)
717 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
718 else if (!tuple)
719 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
720 break;
721 }
722
723 if (bp->rss_hash_cfg == rss_hash_cfg)
724 return 0;
725
726 bp->rss_hash_cfg = rss_hash_cfg;
727 if (netif_running(bp->dev)) {
728 bnxt_close_nic(bp, false, false);
729 rc = bnxt_open_nic(bp, false, false);
730 }
731 return rc;
732}
Michael Chanc0c050c2015-10-22 16:01:17 -0400733
734static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
735 u32 *rule_locs)
736{
737 struct bnxt *bp = netdev_priv(dev);
738 int rc = 0;
739
740 switch (cmd->cmd) {
Michael Chana0119522016-11-16 21:13:10 -0500741#ifdef CONFIG_RFS_ACCEL
Michael Chanc0c050c2015-10-22 16:01:17 -0400742 case ETHTOOL_GRXRINGS:
743 cmd->data = bp->rx_nr_rings;
744 break;
745
746 case ETHTOOL_GRXCLSRLCNT:
747 cmd->rule_cnt = bp->ntp_fltr_count;
748 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
749 break;
750
751 case ETHTOOL_GRXCLSRLALL:
752 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
753 break;
754
755 case ETHTOOL_GRXCLSRULE:
756 rc = bnxt_grxclsrule(bp, cmd);
757 break;
Michael Chana0119522016-11-16 21:13:10 -0500758#endif
759
760 case ETHTOOL_GRXFH:
761 rc = bnxt_grxfh(bp, cmd);
762 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400763
764 default:
765 rc = -EOPNOTSUPP;
766 break;
767 }
768
769 return rc;
770}
Michael Chana0119522016-11-16 21:13:10 -0500771
772static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
773{
774 struct bnxt *bp = netdev_priv(dev);
775 int rc;
776
777 switch (cmd->cmd) {
778 case ETHTOOL_SRXFH:
779 rc = bnxt_srxfh(bp, cmd);
780 break;
781
782 default:
783 rc = -EOPNOTSUPP;
784 break;
785 }
786 return rc;
787}
Michael Chanc0c050c2015-10-22 16:01:17 -0400788
789static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
790{
791 return HW_HASH_INDEX_SIZE;
792}
793
794static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
795{
796 return HW_HASH_KEY_SIZE;
797}
798
799static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
800 u8 *hfunc)
801{
802 struct bnxt *bp = netdev_priv(dev);
803 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
804 int i = 0;
805
806 if (hfunc)
807 *hfunc = ETH_RSS_HASH_TOP;
808
809 if (indir)
810 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
811 indir[i] = le16_to_cpu(vnic->rss_table[i]);
812
813 if (key)
814 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
815
816 return 0;
817}
818
819static void bnxt_get_drvinfo(struct net_device *dev,
820 struct ethtool_drvinfo *info)
821{
822 struct bnxt *bp = netdev_priv(dev);
823
824 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
825 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
Michael Chan431aa1e2017-10-26 11:51:23 -0400826 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
Michael Chanc0c050c2015-10-22 16:01:17 -0400827 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
Michael Chan5c8227d2017-07-24 12:34:23 -0400828 info->n_stats = bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400829 info->testinfo_len = bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400830 /* TODO CHIMP_FW: eeprom dump details */
831 info->eedump_len = 0;
832 /* TODO CHIMP FW: reg dump details */
833 info->regdump_len = 0;
834}
835
Michael Chan8e202362017-04-04 18:14:09 -0400836static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
837{
838 struct bnxt *bp = netdev_priv(dev);
839
840 wol->supported = 0;
841 wol->wolopts = 0;
842 memset(&wol->sopass, 0, sizeof(wol->sopass));
843 if (bp->flags & BNXT_FLAG_WOL_CAP) {
844 wol->supported = WAKE_MAGIC;
845 if (bp->wol)
846 wol->wolopts = WAKE_MAGIC;
847 }
848}
849
Michael Chan5282db62017-04-04 18:14:10 -0400850static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
851{
852 struct bnxt *bp = netdev_priv(dev);
853
854 if (wol->wolopts & ~WAKE_MAGIC)
855 return -EINVAL;
856
857 if (wol->wolopts & WAKE_MAGIC) {
858 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
859 return -EINVAL;
860 if (!bp->wol) {
861 if (bnxt_hwrm_alloc_wol_fltr(bp))
862 return -EBUSY;
863 bp->wol = 1;
864 }
865 } else {
866 if (bp->wol) {
867 if (bnxt_hwrm_free_wol_fltr(bp))
868 return -EBUSY;
869 bp->wol = 0;
870 }
871 }
872 return 0;
873}
874
Michael Chan170ce012016-04-05 14:08:57 -0400875u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
Michael Chanc0c050c2015-10-22 16:01:17 -0400876{
Michael Chanc0c050c2015-10-22 16:01:17 -0400877 u32 speed_mask = 0;
878
879 /* TODO: support 25GB, 40GB, 50GB with different cable type */
880 /* set the advertised speeds */
881 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
882 speed_mask |= ADVERTISED_100baseT_Full;
883 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
884 speed_mask |= ADVERTISED_1000baseT_Full;
885 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
886 speed_mask |= ADVERTISED_2500baseX_Full;
887 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
888 speed_mask |= ADVERTISED_10000baseT_Full;
Michael Chanc0c050c2015-10-22 16:01:17 -0400889 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
Michael Chan1c49c422016-02-10 17:33:48 -0500890 speed_mask |= ADVERTISED_40000baseCR4_Full;
Michael Chan27c4d572016-03-07 15:38:41 -0500891
892 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
893 speed_mask |= ADVERTISED_Pause;
894 else if (fw_pause & BNXT_LINK_PAUSE_TX)
895 speed_mask |= ADVERTISED_Asym_Pause;
896 else if (fw_pause & BNXT_LINK_PAUSE_RX)
897 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
898
Michael Chanc0c050c2015-10-22 16:01:17 -0400899 return speed_mask;
900}
901
Michael Chan00c04a92016-06-13 02:25:38 -0400902#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
903{ \
904 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
905 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
906 100baseT_Full); \
907 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
908 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
909 1000baseT_Full); \
910 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
911 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
912 10000baseT_Full); \
913 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
914 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
915 25000baseCR_Full); \
916 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
917 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
918 40000baseCR4_Full);\
919 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
920 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
921 50000baseCR2_Full);\
Deepak Khungar38a21b32017-04-21 20:11:24 -0400922 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
923 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
924 100000baseCR4_Full);\
Michael Chan00c04a92016-06-13 02:25:38 -0400925 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
926 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
927 Pause); \
928 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
929 ethtool_link_ksettings_add_link_mode( \
930 lk_ksettings, name, Asym_Pause);\
931 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
932 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
933 Asym_Pause); \
934 } \
935}
936
937#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
938{ \
939 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
940 100baseT_Full) || \
941 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
942 100baseT_Half)) \
943 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
944 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
945 1000baseT_Full) || \
946 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
947 1000baseT_Half)) \
948 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
949 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
950 10000baseT_Full)) \
951 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
952 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
953 25000baseCR_Full)) \
954 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
955 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
956 40000baseCR4_Full)) \
957 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
958 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
959 50000baseCR2_Full)) \
960 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
Deepak Khungar38a21b32017-04-21 20:11:24 -0400961 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
962 100000baseCR4_Full)) \
963 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
Michael Chan00c04a92016-06-13 02:25:38 -0400964}
965
966static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
967 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan27c4d572016-03-07 15:38:41 -0500968{
Michael Chan68515a12016-12-29 12:13:34 -0500969 u16 fw_speeds = link_info->advertising;
Michael Chan27c4d572016-03-07 15:38:41 -0500970 u8 fw_pause = 0;
971
972 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
973 fw_pause = link_info->auto_pause_setting;
974
Michael Chan00c04a92016-06-13 02:25:38 -0400975 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
Michael Chan27c4d572016-03-07 15:38:41 -0500976}
977
Michael Chan00c04a92016-06-13 02:25:38 -0400978static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
979 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan32773602016-03-07 15:38:42 -0500980{
981 u16 fw_speeds = link_info->lp_auto_link_speeds;
982 u8 fw_pause = 0;
983
984 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
985 fw_pause = link_info->lp_pause;
986
Michael Chan00c04a92016-06-13 02:25:38 -0400987 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
988 lp_advertising);
Michael Chan32773602016-03-07 15:38:42 -0500989}
990
Michael Chan00c04a92016-06-13 02:25:38 -0400991static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
992 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan4b32cac2016-03-07 15:38:43 -0500993{
994 u16 fw_speeds = link_info->support_speeds;
Michael Chan4b32cac2016-03-07 15:38:43 -0500995
Michael Chan00c04a92016-06-13 02:25:38 -0400996 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
Michael Chan4b32cac2016-03-07 15:38:43 -0500997
Michael Chan00c04a92016-06-13 02:25:38 -0400998 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
999 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1000 Asym_Pause);
Michael Chan93ed8112016-06-13 02:25:37 -04001001
Michael Chan00c04a92016-06-13 02:25:38 -04001002 if (link_info->support_auto_speeds)
1003 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1004 Autoneg);
Michael Chan93ed8112016-06-13 02:25:37 -04001005}
1006
Michael Chanc0c050c2015-10-22 16:01:17 -04001007u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1008{
1009 switch (fw_link_speed) {
1010 case BNXT_LINK_SPEED_100MB:
1011 return SPEED_100;
1012 case BNXT_LINK_SPEED_1GB:
1013 return SPEED_1000;
1014 case BNXT_LINK_SPEED_2_5GB:
1015 return SPEED_2500;
1016 case BNXT_LINK_SPEED_10GB:
1017 return SPEED_10000;
1018 case BNXT_LINK_SPEED_20GB:
1019 return SPEED_20000;
1020 case BNXT_LINK_SPEED_25GB:
1021 return SPEED_25000;
1022 case BNXT_LINK_SPEED_40GB:
1023 return SPEED_40000;
1024 case BNXT_LINK_SPEED_50GB:
1025 return SPEED_50000;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001026 case BNXT_LINK_SPEED_100GB:
1027 return SPEED_100000;
Michael Chanc0c050c2015-10-22 16:01:17 -04001028 default:
1029 return SPEED_UNKNOWN;
1030 }
1031}
1032
Michael Chan00c04a92016-06-13 02:25:38 -04001033static int bnxt_get_link_ksettings(struct net_device *dev,
1034 struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001035{
1036 struct bnxt *bp = netdev_priv(dev);
1037 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001038 struct ethtool_link_settings *base = &lk_ksettings->base;
1039 u32 ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001040
Michael Chan00c04a92016-06-13 02:25:38 -04001041 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
Michael Chane2dc9b62017-10-13 21:09:30 -04001042 mutex_lock(&bp->link_lock);
Michael Chan00c04a92016-06-13 02:25:38 -04001043 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
Michael Chanc0c050c2015-10-22 16:01:17 -04001044
Michael Chan00c04a92016-06-13 02:25:38 -04001045 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
Michael Chanb7634992016-02-10 17:33:46 -05001046 if (link_info->autoneg) {
Michael Chan00c04a92016-06-13 02:25:38 -04001047 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1048 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1049 advertising, Autoneg);
1050 base->autoneg = AUTONEG_ENABLE;
Michael Chan32773602016-03-07 15:38:42 -05001051 if (link_info->phy_link_status == BNXT_LINK_LINK)
Michael Chan00c04a92016-06-13 02:25:38 -04001052 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
Michael Chan29c262f2016-04-05 14:09:03 -04001053 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1054 if (!netif_carrier_ok(dev))
Michael Chan00c04a92016-06-13 02:25:38 -04001055 base->duplex = DUPLEX_UNKNOWN;
Michael Chan29c262f2016-04-05 14:09:03 -04001056 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001057 base->duplex = DUPLEX_FULL;
Michael Chan29c262f2016-04-05 14:09:03 -04001058 else
Michael Chan00c04a92016-06-13 02:25:38 -04001059 base->duplex = DUPLEX_HALF;
Michael Chanc0c050c2015-10-22 16:01:17 -04001060 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001061 base->autoneg = AUTONEG_DISABLE;
Michael Chan29c262f2016-04-05 14:09:03 -04001062 ethtool_speed =
1063 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
Michael Chan00c04a92016-06-13 02:25:38 -04001064 base->duplex = DUPLEX_HALF;
Michael Chan29c262f2016-04-05 14:09:03 -04001065 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001066 base->duplex = DUPLEX_FULL;
Michael Chanc0c050c2015-10-22 16:01:17 -04001067 }
Michael Chan00c04a92016-06-13 02:25:38 -04001068 base->speed = ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001069
Michael Chan00c04a92016-06-13 02:25:38 -04001070 base->port = PORT_NONE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001071 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
Michael Chan00c04a92016-06-13 02:25:38 -04001072 base->port = PORT_TP;
1073 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1074 TP);
1075 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1076 TP);
Michael Chanc0c050c2015-10-22 16:01:17 -04001077 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001078 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1079 FIBRE);
1080 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1081 FIBRE);
Michael Chanc0c050c2015-10-22 16:01:17 -04001082
1083 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
Michael Chan00c04a92016-06-13 02:25:38 -04001084 base->port = PORT_DA;
Michael Chanc0c050c2015-10-22 16:01:17 -04001085 else if (link_info->media_type ==
1086 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
Michael Chan00c04a92016-06-13 02:25:38 -04001087 base->port = PORT_FIBRE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001088 }
Michael Chan00c04a92016-06-13 02:25:38 -04001089 base->phy_address = link_info->phy_addr;
Michael Chane2dc9b62017-10-13 21:09:30 -04001090 mutex_unlock(&bp->link_lock);
Michael Chanc0c050c2015-10-22 16:01:17 -04001091
1092 return 0;
1093}
1094
Deepak Khungar38a21b32017-04-21 20:11:24 -04001095static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
Michael Chanc0c050c2015-10-22 16:01:17 -04001096{
Michael Chan9d9cee02016-04-05 14:09:02 -04001097 struct bnxt *bp = netdev_priv(dev);
1098 struct bnxt_link_info *link_info = &bp->link_info;
1099 u16 support_spds = link_info->support_speeds;
1100 u32 fw_speed = 0;
1101
Michael Chanc0c050c2015-10-22 16:01:17 -04001102 switch (ethtool_speed) {
1103 case SPEED_100:
Michael Chan9d9cee02016-04-05 14:09:02 -04001104 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1105 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1106 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001107 case SPEED_1000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001108 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1109 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1110 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001111 case SPEED_2500:
Michael Chan9d9cee02016-04-05 14:09:02 -04001112 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1113 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1114 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001115 case SPEED_10000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001116 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1117 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1118 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001119 case SPEED_20000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001120 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1121 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1122 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001123 case SPEED_25000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001124 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1125 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1126 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001127 case SPEED_40000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001128 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1129 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1130 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001131 case SPEED_50000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001132 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1133 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1134 break;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001135 case SPEED_100000:
1136 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1137 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1138 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001139 default:
1140 netdev_err(dev, "unsupported speed!\n");
1141 break;
1142 }
Michael Chan9d9cee02016-04-05 14:09:02 -04001143 return fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001144}
1145
Michael Chan939f7f02016-04-05 14:08:58 -04001146u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
Michael Chanc0c050c2015-10-22 16:01:17 -04001147{
1148 u16 fw_speed_mask = 0;
1149
1150 /* only support autoneg at speed 100, 1000, and 10000 */
1151 if (advertising & (ADVERTISED_100baseT_Full |
1152 ADVERTISED_100baseT_Half)) {
1153 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1154 }
1155 if (advertising & (ADVERTISED_1000baseT_Full |
1156 ADVERTISED_1000baseT_Half)) {
1157 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1158 }
1159 if (advertising & ADVERTISED_10000baseT_Full)
1160 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1161
Michael Chan1c49c422016-02-10 17:33:48 -05001162 if (advertising & ADVERTISED_40000baseCR4_Full)
1163 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1164
Michael Chanc0c050c2015-10-22 16:01:17 -04001165 return fw_speed_mask;
1166}
1167
Michael Chan00c04a92016-06-13 02:25:38 -04001168static int bnxt_set_link_ksettings(struct net_device *dev,
1169 const struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001170{
Michael Chanc0c050c2015-10-22 16:01:17 -04001171 struct bnxt *bp = netdev_priv(dev);
1172 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001173 const struct ethtool_link_settings *base = &lk_ksettings->base;
Michael Chanc0c050c2015-10-22 16:01:17 -04001174 bool set_pause = false;
Michael Chan68515a12016-12-29 12:13:34 -05001175 u16 fw_advertising = 0;
1176 u32 speed;
Michael Chan00c04a92016-06-13 02:25:38 -04001177 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001178
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001179 if (!BNXT_SINGLE_PF(bp))
Michael Chan00c04a92016-06-13 02:25:38 -04001180 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001181
Michael Chane2dc9b62017-10-13 21:09:30 -04001182 mutex_lock(&bp->link_lock);
Michael Chan00c04a92016-06-13 02:25:38 -04001183 if (base->autoneg == AUTONEG_ENABLE) {
1184 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1185 advertising);
Michael Chanc0c050c2015-10-22 16:01:17 -04001186 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1187 if (!fw_advertising)
Michael Chan93ed8112016-06-13 02:25:37 -04001188 link_info->advertising = link_info->support_auto_speeds;
Michael Chanc0c050c2015-10-22 16:01:17 -04001189 else
1190 link_info->advertising = fw_advertising;
1191 /* any change to autoneg will cause link change, therefore the
1192 * driver should put back the original pause setting in autoneg
1193 */
1194 set_pause = true;
1195 } else {
Michael Chan9d9cee02016-04-05 14:09:02 -04001196 u16 fw_speed;
Michael Chan03efbec2016-04-11 04:11:11 -04001197 u8 phy_type = link_info->phy_type;
Michael Chan9d9cee02016-04-05 14:09:02 -04001198
Michael Chan03efbec2016-04-11 04:11:11 -04001199 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1200 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1201 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1202 netdev_err(dev, "10GBase-T devices must autoneg\n");
1203 rc = -EINVAL;
1204 goto set_setting_exit;
1205 }
Michael Chan00c04a92016-06-13 02:25:38 -04001206 if (base->duplex == DUPLEX_HALF) {
Michael Chanc0c050c2015-10-22 16:01:17 -04001207 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1208 rc = -EINVAL;
1209 goto set_setting_exit;
1210 }
Michael Chan00c04a92016-06-13 02:25:38 -04001211 speed = base->speed;
Michael Chan9d9cee02016-04-05 14:09:02 -04001212 fw_speed = bnxt_get_fw_speed(dev, speed);
1213 if (!fw_speed) {
1214 rc = -EINVAL;
1215 goto set_setting_exit;
1216 }
1217 link_info->req_link_speed = fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001218 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
Michael Chanb7634992016-02-10 17:33:46 -05001219 link_info->autoneg = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001220 link_info->advertising = 0;
1221 }
1222
1223 if (netif_running(dev))
Michael Chan939f7f02016-04-05 14:08:58 -04001224 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
Michael Chanc0c050c2015-10-22 16:01:17 -04001225
1226set_setting_exit:
Michael Chane2dc9b62017-10-13 21:09:30 -04001227 mutex_unlock(&bp->link_lock);
Michael Chanc0c050c2015-10-22 16:01:17 -04001228 return rc;
1229}
1230
1231static void bnxt_get_pauseparam(struct net_device *dev,
1232 struct ethtool_pauseparam *epause)
1233{
1234 struct bnxt *bp = netdev_priv(dev);
1235 struct bnxt_link_info *link_info = &bp->link_info;
1236
1237 if (BNXT_VF(bp))
1238 return;
Michael Chanb7634992016-02-10 17:33:46 -05001239 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
Michael Chan3c02d1b2016-03-28 19:46:07 -04001240 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1241 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
Michael Chanc0c050c2015-10-22 16:01:17 -04001242}
1243
1244static int bnxt_set_pauseparam(struct net_device *dev,
1245 struct ethtool_pauseparam *epause)
1246{
1247 int rc = 0;
1248 struct bnxt *bp = netdev_priv(dev);
1249 struct bnxt_link_info *link_info = &bp->link_info;
1250
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001251 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001252 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001253
1254 if (epause->autoneg) {
Michael Chanb7634992016-02-10 17:33:46 -05001255 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1256 return -EINVAL;
1257
Michael Chanc0c050c2015-10-22 16:01:17 -04001258 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001259 if (bp->hwrm_spec_code >= 0x10201)
1260 link_info->req_flow_ctrl =
1261 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001262 } else {
1263 /* when transition from auto pause to force pause,
1264 * force a link change
1265 */
1266 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1267 link_info->force_link_chng = true;
1268 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001269 link_info->req_flow_ctrl = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001270 }
1271 if (epause->rx_pause)
1272 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001273
1274 if (epause->tx_pause)
1275 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001276
1277 if (netif_running(dev))
1278 rc = bnxt_hwrm_set_pause(bp);
1279 return rc;
1280}
1281
1282static u32 bnxt_get_link(struct net_device *dev)
1283{
1284 struct bnxt *bp = netdev_priv(dev);
1285
1286 /* TODO: handle MF, VF, driver close case */
1287 return bp->link_info.link_up;
1288}
1289
Rob Swindell5ac67d82016-09-19 03:58:03 -04001290static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1291 u16 ext, u16 *index, u32 *item_length,
1292 u32 *data_length);
1293
Michael Chanc0c050c2015-10-22 16:01:17 -04001294static int bnxt_flash_nvram(struct net_device *dev,
1295 u16 dir_type,
1296 u16 dir_ordinal,
1297 u16 dir_ext,
1298 u16 dir_attr,
1299 const u8 *data,
1300 size_t data_len)
1301{
1302 struct bnxt *bp = netdev_priv(dev);
1303 int rc;
1304 struct hwrm_nvm_write_input req = {0};
1305 dma_addr_t dma_handle;
1306 u8 *kmem;
1307
1308 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1309
1310 req.dir_type = cpu_to_le16(dir_type);
1311 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1312 req.dir_ext = cpu_to_le16(dir_ext);
1313 req.dir_attr = cpu_to_le16(dir_attr);
1314 req.dir_data_length = cpu_to_le32(data_len);
1315
1316 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1317 GFP_KERNEL);
1318 if (!kmem) {
1319 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1320 (unsigned)data_len);
1321 return -ENOMEM;
1322 }
1323 memcpy(kmem, data, data_len);
1324 req.host_src_addr = cpu_to_le64(dma_handle);
1325
1326 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1327 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1328
1329 return rc;
1330}
1331
Rob Swindelld2d63182016-01-07 19:56:58 -05001332static int bnxt_firmware_reset(struct net_device *dev,
1333 u16 dir_type)
1334{
1335 struct bnxt *bp = netdev_priv(dev);
1336 struct hwrm_fw_reset_input req = {0};
1337
1338 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1339
Rob Swindelld2d63182016-01-07 19:56:58 -05001340 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1341 /* (e.g. when firmware isn't already running) */
1342 switch (dir_type) {
1343 case BNX_DIR_TYPE_CHIMP_PATCH:
1344 case BNX_DIR_TYPE_BOOTCODE:
1345 case BNX_DIR_TYPE_BOOTCODE_2:
1346 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1347 /* Self-reset ChiMP upon next PCIe reset: */
1348 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1349 break;
1350 case BNX_DIR_TYPE_APE_FW:
1351 case BNX_DIR_TYPE_APE_PATCH:
1352 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
Rob Swindell08141e02016-07-01 18:46:23 -04001353 /* Self-reset APE upon next PCIe reset: */
1354 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
Rob Swindelld2d63182016-01-07 19:56:58 -05001355 break;
1356 case BNX_DIR_TYPE_KONG_FW:
1357 case BNX_DIR_TYPE_KONG_PATCH:
1358 req.embedded_proc_type =
1359 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1360 break;
1361 case BNX_DIR_TYPE_BONO_FW:
1362 case BNX_DIR_TYPE_BONO_PATCH:
1363 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1364 break;
Vasundhara Volam49f79722017-10-26 11:51:26 -04001365 case BNXT_FW_RESET_CHIP:
1366 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1367 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1368 break;
Rob Swindelld2d63182016-01-07 19:56:58 -05001369 default:
1370 return -EINVAL;
1371 }
1372
1373 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1374}
1375
Michael Chanc0c050c2015-10-22 16:01:17 -04001376static int bnxt_flash_firmware(struct net_device *dev,
1377 u16 dir_type,
1378 const u8 *fw_data,
1379 size_t fw_size)
1380{
1381 int rc = 0;
1382 u16 code_type;
1383 u32 stored_crc;
1384 u32 calculated_crc;
1385 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1386
1387 switch (dir_type) {
1388 case BNX_DIR_TYPE_BOOTCODE:
1389 case BNX_DIR_TYPE_BOOTCODE_2:
1390 code_type = CODE_BOOT;
1391 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001392 case BNX_DIR_TYPE_CHIMP_PATCH:
1393 code_type = CODE_CHIMP_PATCH;
1394 break;
Rob Swindell2731d702015-12-27 18:19:20 -05001395 case BNX_DIR_TYPE_APE_FW:
1396 code_type = CODE_MCTP_PASSTHRU;
1397 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001398 case BNX_DIR_TYPE_APE_PATCH:
1399 code_type = CODE_APE_PATCH;
1400 break;
1401 case BNX_DIR_TYPE_KONG_FW:
1402 code_type = CODE_KONG_FW;
1403 break;
1404 case BNX_DIR_TYPE_KONG_PATCH:
1405 code_type = CODE_KONG_PATCH;
1406 break;
1407 case BNX_DIR_TYPE_BONO_FW:
1408 code_type = CODE_BONO_FW;
1409 break;
1410 case BNX_DIR_TYPE_BONO_PATCH:
1411 code_type = CODE_BONO_PATCH;
1412 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001413 default:
1414 netdev_err(dev, "Unsupported directory entry type: %u\n",
1415 dir_type);
1416 return -EINVAL;
1417 }
1418 if (fw_size < sizeof(struct bnxt_fw_header)) {
1419 netdev_err(dev, "Invalid firmware file size: %u\n",
1420 (unsigned int)fw_size);
1421 return -EINVAL;
1422 }
1423 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1424 netdev_err(dev, "Invalid firmware signature: %08X\n",
1425 le32_to_cpu(header->signature));
1426 return -EINVAL;
1427 }
1428 if (header->code_type != code_type) {
1429 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1430 code_type, header->code_type);
1431 return -EINVAL;
1432 }
1433 if (header->device != DEVICE_CUMULUS_FAMILY) {
1434 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1435 DEVICE_CUMULUS_FAMILY, header->device);
1436 return -EINVAL;
1437 }
1438 /* Confirm the CRC32 checksum of the file: */
1439 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1440 sizeof(stored_crc)));
1441 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1442 if (calculated_crc != stored_crc) {
1443 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1444 (unsigned long)stored_crc,
1445 (unsigned long)calculated_crc);
1446 return -EINVAL;
1447 }
Michael Chanc0c050c2015-10-22 16:01:17 -04001448 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1449 0, 0, fw_data, fw_size);
Rob Swindelld2d63182016-01-07 19:56:58 -05001450 if (rc == 0) /* Firmware update successful */
1451 rc = bnxt_firmware_reset(dev, dir_type);
1452
Michael Chanc0c050c2015-10-22 16:01:17 -04001453 return rc;
1454}
1455
Rob Swindell5ac67d82016-09-19 03:58:03 -04001456static int bnxt_flash_microcode(struct net_device *dev,
1457 u16 dir_type,
1458 const u8 *fw_data,
1459 size_t fw_size)
1460{
1461 struct bnxt_ucode_trailer *trailer;
1462 u32 calculated_crc;
1463 u32 stored_crc;
1464 int rc = 0;
1465
1466 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1467 netdev_err(dev, "Invalid microcode file size: %u\n",
1468 (unsigned int)fw_size);
1469 return -EINVAL;
1470 }
1471 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1472 sizeof(*trailer)));
1473 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1474 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1475 le32_to_cpu(trailer->sig));
1476 return -EINVAL;
1477 }
1478 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1479 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1480 dir_type, le16_to_cpu(trailer->dir_type));
1481 return -EINVAL;
1482 }
1483 if (le16_to_cpu(trailer->trailer_length) <
1484 sizeof(struct bnxt_ucode_trailer)) {
1485 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1486 le16_to_cpu(trailer->trailer_length));
1487 return -EINVAL;
1488 }
1489
1490 /* Confirm the CRC32 checksum of the file: */
1491 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1492 sizeof(stored_crc)));
1493 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1494 if (calculated_crc != stored_crc) {
1495 netdev_err(dev,
1496 "CRC32 (%08lX) does not match calculated: %08lX\n",
1497 (unsigned long)stored_crc,
1498 (unsigned long)calculated_crc);
1499 return -EINVAL;
1500 }
1501 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1502 0, 0, fw_data, fw_size);
1503
1504 return rc;
1505}
1506
Michael Chanc0c050c2015-10-22 16:01:17 -04001507static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1508{
1509 switch (dir_type) {
1510 case BNX_DIR_TYPE_CHIMP_PATCH:
1511 case BNX_DIR_TYPE_BOOTCODE:
1512 case BNX_DIR_TYPE_BOOTCODE_2:
1513 case BNX_DIR_TYPE_APE_FW:
1514 case BNX_DIR_TYPE_APE_PATCH:
1515 case BNX_DIR_TYPE_KONG_FW:
1516 case BNX_DIR_TYPE_KONG_PATCH:
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001517 case BNX_DIR_TYPE_BONO_FW:
1518 case BNX_DIR_TYPE_BONO_PATCH:
Michael Chanc0c050c2015-10-22 16:01:17 -04001519 return true;
1520 }
1521
1522 return false;
1523}
1524
Rob Swindell5ac67d82016-09-19 03:58:03 -04001525static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001526{
1527 switch (dir_type) {
1528 case BNX_DIR_TYPE_AVS:
1529 case BNX_DIR_TYPE_EXP_ROM_MBA:
1530 case BNX_DIR_TYPE_PCIE:
1531 case BNX_DIR_TYPE_TSCF_UCODE:
1532 case BNX_DIR_TYPE_EXT_PHY:
1533 case BNX_DIR_TYPE_CCM:
1534 case BNX_DIR_TYPE_ISCSI_BOOT:
1535 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1536 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1537 return true;
1538 }
1539
1540 return false;
1541}
1542
1543static bool bnxt_dir_type_is_executable(u16 dir_type)
1544{
1545 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
Rob Swindell5ac67d82016-09-19 03:58:03 -04001546 bnxt_dir_type_is_other_exec_format(dir_type);
Michael Chanc0c050c2015-10-22 16:01:17 -04001547}
1548
1549static int bnxt_flash_firmware_from_file(struct net_device *dev,
1550 u16 dir_type,
1551 const char *filename)
1552{
1553 const struct firmware *fw;
1554 int rc;
1555
Michael Chanc0c050c2015-10-22 16:01:17 -04001556 rc = request_firmware(&fw, filename, &dev->dev);
1557 if (rc != 0) {
1558 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1559 rc, filename);
1560 return rc;
1561 }
1562 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1563 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
Rob Swindell5ac67d82016-09-19 03:58:03 -04001564 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1565 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
Michael Chanc0c050c2015-10-22 16:01:17 -04001566 else
1567 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1568 0, 0, fw->data, fw->size);
1569 release_firmware(fw);
1570 return rc;
1571}
1572
1573static int bnxt_flash_package_from_file(struct net_device *dev,
Rob Swindell5ac67d82016-09-19 03:58:03 -04001574 char *filename, u32 install_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001575{
Rob Swindell5ac67d82016-09-19 03:58:03 -04001576 struct bnxt *bp = netdev_priv(dev);
1577 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1578 struct hwrm_nvm_install_update_input install = {0};
1579 const struct firmware *fw;
1580 u32 item_len;
1581 u16 index;
1582 int rc;
1583
1584 bnxt_hwrm_fw_set_time(bp);
1585
1586 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1587 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1588 &index, &item_len, NULL) != 0) {
1589 netdev_err(dev, "PKG update area not created in nvram\n");
1590 return -ENOBUFS;
1591 }
1592
1593 rc = request_firmware(&fw, filename, &dev->dev);
1594 if (rc != 0) {
1595 netdev_err(dev, "PKG error %d requesting file: %s\n",
1596 rc, filename);
1597 return rc;
1598 }
1599
1600 if (fw->size > item_len) {
1601 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1602 (unsigned long)fw->size);
1603 rc = -EFBIG;
1604 } else {
1605 dma_addr_t dma_handle;
1606 u8 *kmem;
1607 struct hwrm_nvm_modify_input modify = {0};
1608
1609 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1610
1611 modify.dir_idx = cpu_to_le16(index);
1612 modify.len = cpu_to_le32(fw->size);
1613
1614 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1615 &dma_handle, GFP_KERNEL);
1616 if (!kmem) {
1617 netdev_err(dev,
1618 "dma_alloc_coherent failure, length = %u\n",
1619 (unsigned int)fw->size);
1620 rc = -ENOMEM;
1621 } else {
1622 memcpy(kmem, fw->data, fw->size);
1623 modify.host_src_addr = cpu_to_le64(dma_handle);
1624
1625 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1626 FLASH_PACKAGE_TIMEOUT);
1627 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1628 dma_handle);
1629 }
1630 }
1631 release_firmware(fw);
1632 if (rc)
1633 return rc;
1634
1635 if ((install_type & 0xffff) == 0)
1636 install_type >>= 16;
1637 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1638 install.install_type = cpu_to_le32(install_type);
1639
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001640 mutex_lock(&bp->hwrm_cmd_lock);
1641 rc = _hwrm_send_message(bp, &install, sizeof(install),
1642 INSTALL_PACKAGE_TIMEOUT);
1643 if (rc) {
1644 rc = -EOPNOTSUPP;
1645 goto flash_pkg_exit;
1646 }
1647
1648 if (resp->error_code) {
1649 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1650
1651 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1652 install.flags |= cpu_to_le16(
1653 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1654 rc = _hwrm_send_message(bp, &install, sizeof(install),
1655 INSTALL_PACKAGE_TIMEOUT);
1656 if (rc) {
1657 rc = -EOPNOTSUPP;
1658 goto flash_pkg_exit;
1659 }
1660 }
1661 }
Rob Swindell5ac67d82016-09-19 03:58:03 -04001662
1663 if (resp->result) {
1664 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1665 (s8)resp->result, (int)resp->problem_item);
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001666 rc = -ENOPKG;
Rob Swindell5ac67d82016-09-19 03:58:03 -04001667 }
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001668flash_pkg_exit:
1669 mutex_unlock(&bp->hwrm_cmd_lock);
1670 return rc;
Michael Chanc0c050c2015-10-22 16:01:17 -04001671}
1672
1673static int bnxt_flash_device(struct net_device *dev,
1674 struct ethtool_flash *flash)
1675{
1676 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1677 netdev_err(dev, "flashdev not supported from a virtual function\n");
1678 return -EINVAL;
1679 }
1680
Rob Swindell5ac67d82016-09-19 03:58:03 -04001681 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1682 flash->region > 0xffff)
1683 return bnxt_flash_package_from_file(dev, flash->data,
1684 flash->region);
Michael Chanc0c050c2015-10-22 16:01:17 -04001685
1686 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1687}
1688
1689static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1690{
1691 struct bnxt *bp = netdev_priv(dev);
1692 int rc;
1693 struct hwrm_nvm_get_dir_info_input req = {0};
1694 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1695
1696 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1697
1698 mutex_lock(&bp->hwrm_cmd_lock);
1699 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1700 if (!rc) {
1701 *entries = le32_to_cpu(output->entries);
1702 *length = le32_to_cpu(output->entry_length);
1703 }
1704 mutex_unlock(&bp->hwrm_cmd_lock);
1705 return rc;
1706}
1707
1708static int bnxt_get_eeprom_len(struct net_device *dev)
1709{
1710 /* The -1 return value allows the entire 32-bit range of offsets to be
1711 * passed via the ethtool command-line utility.
1712 */
1713 return -1;
1714}
1715
1716static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1717{
1718 struct bnxt *bp = netdev_priv(dev);
1719 int rc;
1720 u32 dir_entries;
1721 u32 entry_length;
1722 u8 *buf;
1723 size_t buflen;
1724 dma_addr_t dma_handle;
1725 struct hwrm_nvm_get_dir_entries_input req = {0};
1726
1727 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1728 if (rc != 0)
1729 return rc;
1730
1731 /* Insert 2 bytes of directory info (count and size of entries) */
1732 if (len < 2)
1733 return -EINVAL;
1734
1735 *data++ = dir_entries;
1736 *data++ = entry_length;
1737 len -= 2;
1738 memset(data, 0xff, len);
1739
1740 buflen = dir_entries * entry_length;
1741 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1742 GFP_KERNEL);
1743 if (!buf) {
1744 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1745 (unsigned)buflen);
1746 return -ENOMEM;
1747 }
1748 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1749 req.host_dest_addr = cpu_to_le64(dma_handle);
1750 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1751 if (rc == 0)
1752 memcpy(data, buf, len > buflen ? buflen : len);
1753 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1754 return rc;
1755}
1756
1757static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1758 u32 length, u8 *data)
1759{
1760 struct bnxt *bp = netdev_priv(dev);
1761 int rc;
1762 u8 *buf;
1763 dma_addr_t dma_handle;
1764 struct hwrm_nvm_read_input req = {0};
1765
Michael Chane0ad8fc2017-10-26 11:51:22 -04001766 if (!length)
1767 return -EINVAL;
1768
Michael Chanc0c050c2015-10-22 16:01:17 -04001769 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1770 GFP_KERNEL);
1771 if (!buf) {
1772 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1773 (unsigned)length);
1774 return -ENOMEM;
1775 }
1776 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1777 req.host_dest_addr = cpu_to_le64(dma_handle);
1778 req.dir_idx = cpu_to_le16(index);
1779 req.offset = cpu_to_le32(offset);
1780 req.len = cpu_to_le32(length);
1781
1782 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1783 if (rc == 0)
1784 memcpy(data, buf, length);
1785 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1786 return rc;
1787}
1788
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001789static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1790 u16 ext, u16 *index, u32 *item_length,
1791 u32 *data_length)
1792{
1793 struct bnxt *bp = netdev_priv(dev);
1794 int rc;
1795 struct hwrm_nvm_find_dir_entry_input req = {0};
1796 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1797
1798 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1799 req.enables = 0;
1800 req.dir_idx = 0;
1801 req.dir_type = cpu_to_le16(type);
1802 req.dir_ordinal = cpu_to_le16(ordinal);
1803 req.dir_ext = cpu_to_le16(ext);
1804 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
Michael Chancc72f3b2017-10-13 21:09:33 -04001805 mutex_lock(&bp->hwrm_cmd_lock);
1806 rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001807 if (rc == 0) {
1808 if (index)
1809 *index = le16_to_cpu(output->dir_idx);
1810 if (item_length)
1811 *item_length = le32_to_cpu(output->dir_item_length);
1812 if (data_length)
1813 *data_length = le32_to_cpu(output->dir_data_length);
1814 }
Michael Chancc72f3b2017-10-13 21:09:33 -04001815 mutex_unlock(&bp->hwrm_cmd_lock);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001816 return rc;
1817}
1818
1819static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1820{
1821 char *retval = NULL;
1822 char *p;
1823 char *value;
1824 int field = 0;
1825
1826 if (datalen < 1)
1827 return NULL;
1828 /* null-terminate the log data (removing last '\n'): */
1829 data[datalen - 1] = 0;
1830 for (p = data; *p != 0; p++) {
1831 field = 0;
1832 retval = NULL;
1833 while (*p != 0 && *p != '\n') {
1834 value = p;
1835 while (*p != 0 && *p != '\t' && *p != '\n')
1836 p++;
1837 if (field == desired_field)
1838 retval = value;
1839 if (*p != '\t')
1840 break;
1841 *p = 0;
1842 field++;
1843 p++;
1844 }
1845 if (*p == 0)
1846 break;
1847 *p = 0;
1848 }
1849 return retval;
1850}
1851
1852static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1853{
1854 u16 index = 0;
1855 u32 datalen;
1856
1857 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1858 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1859 &index, NULL, &datalen) != 0)
1860 return NULL;
1861
1862 memset(buf, 0, buflen);
1863 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1864 return NULL;
1865
1866 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1867 datalen);
1868}
1869
Michael Chanc0c050c2015-10-22 16:01:17 -04001870static int bnxt_get_eeprom(struct net_device *dev,
1871 struct ethtool_eeprom *eeprom,
1872 u8 *data)
1873{
1874 u32 index;
1875 u32 offset;
1876
1877 if (eeprom->offset == 0) /* special offset value to get directory */
1878 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1879
1880 index = eeprom->offset >> 24;
1881 offset = eeprom->offset & 0xffffff;
1882
1883 if (index == 0) {
1884 netdev_err(dev, "unsupported index value: %d\n", index);
1885 return -EINVAL;
1886 }
1887
1888 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1889}
1890
1891static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1892{
1893 struct bnxt *bp = netdev_priv(dev);
1894 struct hwrm_nvm_erase_dir_entry_input req = {0};
1895
1896 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1897 req.dir_idx = cpu_to_le16(index);
1898 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1899}
1900
1901static int bnxt_set_eeprom(struct net_device *dev,
1902 struct ethtool_eeprom *eeprom,
1903 u8 *data)
1904{
1905 struct bnxt *bp = netdev_priv(dev);
1906 u8 index, dir_op;
1907 u16 type, ext, ordinal, attr;
1908
1909 if (!BNXT_PF(bp)) {
1910 netdev_err(dev, "NVM write not supported from a virtual function\n");
1911 return -EINVAL;
1912 }
1913
1914 type = eeprom->magic >> 16;
1915
1916 if (type == 0xffff) { /* special value for directory operations */
1917 index = eeprom->magic & 0xff;
1918 dir_op = eeprom->magic >> 8;
1919 if (index == 0)
1920 return -EINVAL;
1921 switch (dir_op) {
1922 case 0x0e: /* erase */
1923 if (eeprom->offset != ~eeprom->magic)
1924 return -EINVAL;
1925 return bnxt_erase_nvram_directory(dev, index - 1);
1926 default:
1927 return -EINVAL;
1928 }
1929 }
1930
1931 /* Create or re-write an NVM item: */
1932 if (bnxt_dir_type_is_executable(type) == true)
Rob Swindell5ac67d82016-09-19 03:58:03 -04001933 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001934 ext = eeprom->magic & 0xffff;
1935 ordinal = eeprom->offset >> 16;
1936 attr = eeprom->offset & 0xffff;
1937
1938 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1939 eeprom->len);
1940}
1941
Michael Chan72b34f02016-04-05 14:08:59 -04001942static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1943{
1944 struct bnxt *bp = netdev_priv(dev);
1945 struct ethtool_eee *eee = &bp->eee;
1946 struct bnxt_link_info *link_info = &bp->link_info;
1947 u32 advertising =
1948 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1949 int rc = 0;
1950
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001951 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001952 return -EOPNOTSUPP;
Michael Chan72b34f02016-04-05 14:08:59 -04001953
1954 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1955 return -EOPNOTSUPP;
1956
1957 if (!edata->eee_enabled)
1958 goto eee_ok;
1959
1960 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1961 netdev_warn(dev, "EEE requires autoneg\n");
1962 return -EINVAL;
1963 }
1964 if (edata->tx_lpi_enabled) {
1965 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1966 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1967 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1968 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1969 return -EINVAL;
1970 } else if (!bp->lpi_tmr_hi) {
1971 edata->tx_lpi_timer = eee->tx_lpi_timer;
1972 }
1973 }
1974 if (!edata->advertised) {
1975 edata->advertised = advertising & eee->supported;
1976 } else if (edata->advertised & ~advertising) {
1977 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1978 edata->advertised, advertising);
1979 return -EINVAL;
1980 }
1981
1982 eee->advertised = edata->advertised;
1983 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1984 eee->tx_lpi_timer = edata->tx_lpi_timer;
1985eee_ok:
1986 eee->eee_enabled = edata->eee_enabled;
1987
1988 if (netif_running(dev))
1989 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1990
1991 return rc;
1992}
1993
1994static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1995{
1996 struct bnxt *bp = netdev_priv(dev);
1997
1998 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1999 return -EOPNOTSUPP;
2000
2001 *edata = bp->eee;
2002 if (!bp->eee.eee_enabled) {
2003 /* Preserve tx_lpi_timer so that the last value will be used
2004 * by default when it is re-enabled.
2005 */
2006 edata->advertised = 0;
2007 edata->tx_lpi_enabled = 0;
2008 }
2009
2010 if (!bp->eee.eee_active)
2011 edata->lp_advertised = 0;
2012
2013 return 0;
2014}
2015
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002016static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2017 u16 page_number, u16 start_addr,
2018 u16 data_length, u8 *buf)
2019{
2020 struct hwrm_port_phy_i2c_read_input req = {0};
2021 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2022 int rc, byte_offset = 0;
2023
2024 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2025 req.i2c_slave_addr = i2c_addr;
2026 req.page_number = cpu_to_le16(page_number);
2027 req.port_id = cpu_to_le16(bp->pf.port_id);
2028 do {
2029 u16 xfer_size;
2030
2031 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2032 data_length -= xfer_size;
2033 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2034 req.data_length = xfer_size;
2035 req.enables = cpu_to_le32(start_addr + byte_offset ?
2036 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2037 mutex_lock(&bp->hwrm_cmd_lock);
2038 rc = _hwrm_send_message(bp, &req, sizeof(req),
2039 HWRM_CMD_TIMEOUT);
2040 if (!rc)
2041 memcpy(buf + byte_offset, output->data, xfer_size);
2042 mutex_unlock(&bp->hwrm_cmd_lock);
2043 byte_offset += xfer_size;
2044 } while (!rc && data_length > 0);
2045
2046 return rc;
2047}
2048
2049static int bnxt_get_module_info(struct net_device *dev,
2050 struct ethtool_modinfo *modinfo)
2051{
2052 struct bnxt *bp = netdev_priv(dev);
2053 struct hwrm_port_phy_i2c_read_input req = {0};
2054 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2055 int rc;
2056
2057 /* No point in going further if phy status indicates
2058 * module is not inserted or if it is powered down or
2059 * if it is of type 10GBase-T
2060 */
2061 if (bp->link_info.module_status >
2062 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2063 return -EOPNOTSUPP;
2064
2065 /* This feature is not supported in older firmware versions */
2066 if (bp->hwrm_spec_code < 0x10202)
2067 return -EOPNOTSUPP;
2068
2069 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2070 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2071 req.page_number = 0;
2072 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2073 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2074 req.port_id = cpu_to_le16(bp->pf.port_id);
2075 mutex_lock(&bp->hwrm_cmd_lock);
2076 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2077 if (!rc) {
2078 u32 module_id = le32_to_cpu(output->data[0]);
2079
2080 switch (module_id) {
2081 case SFF_MODULE_ID_SFP:
2082 modinfo->type = ETH_MODULE_SFF_8472;
2083 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2084 break;
2085 case SFF_MODULE_ID_QSFP:
2086 case SFF_MODULE_ID_QSFP_PLUS:
2087 modinfo->type = ETH_MODULE_SFF_8436;
2088 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2089 break;
2090 case SFF_MODULE_ID_QSFP28:
2091 modinfo->type = ETH_MODULE_SFF_8636;
2092 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2093 break;
2094 default:
2095 rc = -EOPNOTSUPP;
2096 break;
2097 }
2098 }
2099 mutex_unlock(&bp->hwrm_cmd_lock);
2100 return rc;
2101}
2102
2103static int bnxt_get_module_eeprom(struct net_device *dev,
2104 struct ethtool_eeprom *eeprom,
2105 u8 *data)
2106{
2107 struct bnxt *bp = netdev_priv(dev);
2108 u16 start = eeprom->offset, length = eeprom->len;
Colin Ian Kingf3ea3112016-07-08 16:42:48 +01002109 int rc = 0;
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002110
2111 memset(data, 0, eeprom->len);
2112
2113 /* Read A0 portion of the EEPROM */
2114 if (start < ETH_MODULE_SFF_8436_LEN) {
2115 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2116 length = ETH_MODULE_SFF_8436_LEN - start;
2117 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2118 start, length, data);
2119 if (rc)
2120 return rc;
2121 start += length;
2122 data += length;
2123 length = eeprom->len - length;
2124 }
2125
2126 /* Read A2 portion of the EEPROM */
2127 if (length) {
2128 start -= ETH_MODULE_SFF_8436_LEN;
2129 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2130 length, data);
2131 }
2132 return rc;
2133}
2134
Deepak Khungarae8e98a2016-09-19 03:58:08 -04002135static int bnxt_nway_reset(struct net_device *dev)
2136{
2137 int rc = 0;
2138
2139 struct bnxt *bp = netdev_priv(dev);
2140 struct bnxt_link_info *link_info = &bp->link_info;
2141
2142 if (!BNXT_SINGLE_PF(bp))
2143 return -EOPNOTSUPP;
2144
2145 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2146 return -EINVAL;
2147
2148 if (netif_running(dev))
2149 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2150
2151 return rc;
2152}
2153
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002154static int bnxt_set_phys_id(struct net_device *dev,
2155 enum ethtool_phys_id_state state)
2156{
2157 struct hwrm_port_led_cfg_input req = {0};
2158 struct bnxt *bp = netdev_priv(dev);
2159 struct bnxt_pf_info *pf = &bp->pf;
2160 struct bnxt_led_cfg *led_cfg;
2161 u8 led_state;
2162 __le16 duration;
2163 int i, rc;
2164
2165 if (!bp->num_leds || BNXT_VF(bp))
2166 return -EOPNOTSUPP;
2167
2168 if (state == ETHTOOL_ID_ACTIVE) {
2169 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2170 duration = cpu_to_le16(500);
2171 } else if (state == ETHTOOL_ID_INACTIVE) {
2172 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2173 duration = cpu_to_le16(0);
2174 } else {
2175 return -EINVAL;
2176 }
2177 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2178 req.port_id = cpu_to_le16(pf->port_id);
2179 req.num_leds = bp->num_leds;
2180 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2181 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2182 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2183 led_cfg->led_id = bp->leds[i].led_id;
2184 led_cfg->led_state = led_state;
2185 led_cfg->led_blink_on = duration;
2186 led_cfg->led_blink_off = duration;
2187 led_cfg->led_group_id = bp->leds[i].led_group_id;
2188 }
2189 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2190 if (rc)
2191 rc = -EIO;
2192 return rc;
2193}
2194
Michael Chan67fea462017-04-04 18:14:15 -04002195static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2196{
2197 struct hwrm_selftest_irq_input req = {0};
2198
2199 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2200 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2201}
2202
2203static int bnxt_test_irq(struct bnxt *bp)
2204{
2205 int i;
2206
2207 for (i = 0; i < bp->cp_nr_rings; i++) {
2208 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2209 int rc;
2210
2211 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2212 if (rc)
2213 return rc;
2214 }
2215 return 0;
2216}
2217
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002218static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2219{
2220 struct hwrm_port_mac_cfg_input req = {0};
2221
2222 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2223
2224 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2225 if (enable)
2226 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2227 else
2228 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2229 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2230}
2231
Michael Chan91725d82017-04-04 18:14:14 -04002232static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2233 struct hwrm_port_phy_cfg_input *req)
2234{
2235 struct bnxt_link_info *link_info = &bp->link_info;
2236 u16 fw_advertising = link_info->advertising;
2237 u16 fw_speed;
2238 int rc;
2239
2240 if (!link_info->autoneg)
2241 return 0;
2242
2243 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2244 if (netif_carrier_ok(bp->dev))
2245 fw_speed = bp->link_info.link_speed;
2246 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2247 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2248 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2249 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2250 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2251 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2252 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2253 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2254
2255 req->force_link_speed = cpu_to_le16(fw_speed);
2256 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2257 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2258 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2259 req->flags = 0;
2260 req->force_link_speed = cpu_to_le16(0);
2261 return rc;
2262}
2263
2264static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2265{
2266 struct hwrm_port_phy_cfg_input req = {0};
2267
2268 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2269
2270 if (enable) {
2271 bnxt_disable_an_for_lpbk(bp, &req);
2272 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2273 } else {
2274 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2275 }
2276 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2277 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2278}
2279
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002280static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2281 u32 raw_cons, int pkt_size)
2282{
2283 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2284 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2285 struct bnxt_sw_rx_bd *rx_buf;
2286 struct rx_cmp *rxcmp;
2287 u16 cp_cons, cons;
2288 u8 *data;
2289 u32 len;
2290 int i;
2291
2292 cp_cons = RING_CMP(raw_cons);
2293 rxcmp = (struct rx_cmp *)
2294 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2295 cons = rxcmp->rx_cmp_opaque;
2296 rx_buf = &rxr->rx_buf_ring[cons];
2297 data = rx_buf->data_ptr;
2298 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2299 if (len != pkt_size)
2300 return -EIO;
2301 i = ETH_ALEN;
2302 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2303 return -EIO;
2304 i += ETH_ALEN;
2305 for ( ; i < pkt_size; i++) {
2306 if (data[i] != (u8)(i & 0xff))
2307 return -EIO;
2308 }
2309 return 0;
2310}
2311
2312static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2313{
2314 struct bnxt_napi *bnapi = bp->bnapi[0];
2315 struct bnxt_cp_ring_info *cpr;
2316 struct tx_cmp *txcmp;
2317 int rc = -EIO;
2318 u32 raw_cons;
2319 u32 cons;
2320 int i;
2321
2322 cpr = &bnapi->cp_ring;
2323 raw_cons = cpr->cp_raw_cons;
2324 for (i = 0; i < 200; i++) {
2325 cons = RING_CMP(raw_cons);
2326 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2327
2328 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2329 udelay(5);
2330 continue;
2331 }
2332
2333 /* The valid test of the entry must be done first before
2334 * reading any further.
2335 */
2336 dma_rmb();
2337 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2338 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2339 raw_cons = NEXT_RAW_CMP(raw_cons);
2340 raw_cons = NEXT_RAW_CMP(raw_cons);
2341 break;
2342 }
2343 raw_cons = NEXT_RAW_CMP(raw_cons);
2344 }
2345 cpr->cp_raw_cons = raw_cons;
2346 return rc;
2347}
2348
2349static int bnxt_run_loopback(struct bnxt *bp)
2350{
2351 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2352 int pkt_size, i = 0;
2353 struct sk_buff *skb;
2354 dma_addr_t map;
2355 u8 *data;
2356 int rc;
2357
2358 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2359 skb = netdev_alloc_skb(bp->dev, pkt_size);
2360 if (!skb)
2361 return -ENOMEM;
2362 data = skb_put(skb, pkt_size);
2363 eth_broadcast_addr(data);
2364 i += ETH_ALEN;
2365 ether_addr_copy(&data[i], bp->dev->dev_addr);
2366 i += ETH_ALEN;
2367 for ( ; i < pkt_size; i++)
2368 data[i] = (u8)(i & 0xff);
2369
2370 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2371 PCI_DMA_TODEVICE);
2372 if (dma_mapping_error(&bp->pdev->dev, map)) {
2373 dev_kfree_skb(skb);
2374 return -EIO;
2375 }
2376 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2377
2378 /* Sync BD data before updating doorbell */
2379 wmb();
2380
Michael Chan434c9752017-05-29 19:06:08 -04002381 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002382 rc = bnxt_poll_loopback(bp, pkt_size);
2383
2384 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2385 dev_kfree_skb(skb);
2386 return rc;
2387}
2388
Michael Chaneb513652017-04-04 18:14:12 -04002389static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2390{
2391 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2392 struct hwrm_selftest_exec_input req = {0};
2393 int rc;
2394
2395 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2396 mutex_lock(&bp->hwrm_cmd_lock);
2397 resp->test_success = 0;
2398 req.flags = test_mask;
2399 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2400 *test_results = resp->test_success;
2401 mutex_unlock(&bp->hwrm_cmd_lock);
2402 return rc;
2403}
2404
Michael Chan67fea462017-04-04 18:14:15 -04002405#define BNXT_DRV_TESTS 3
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002406#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
Michael Chan91725d82017-04-04 18:14:14 -04002407#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
Michael Chan67fea462017-04-04 18:14:15 -04002408#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
Michael Chaneb513652017-04-04 18:14:12 -04002409
2410static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2411 u64 *buf)
2412{
2413 struct bnxt *bp = netdev_priv(dev);
2414 bool offline = false;
2415 u8 test_results = 0;
2416 u8 test_mask = 0;
2417 int rc, i;
2418
2419 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2420 return;
2421 memset(buf, 0, sizeof(u64) * bp->num_tests);
2422 if (!netif_running(dev)) {
2423 etest->flags |= ETH_TEST_FL_FAILED;
2424 return;
2425 }
2426
2427 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2428 if (bp->pf.active_vfs) {
2429 etest->flags |= ETH_TEST_FL_FAILED;
2430 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2431 return;
2432 }
2433 offline = true;
2434 }
2435
2436 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2437 u8 bit_val = 1 << i;
2438
2439 if (!(bp->test_info->offline_mask & bit_val))
2440 test_mask |= bit_val;
2441 else if (offline)
2442 test_mask |= bit_val;
2443 }
2444 if (!offline) {
2445 bnxt_run_fw_tests(bp, test_mask, &test_results);
2446 } else {
2447 rc = bnxt_close_nic(bp, false, false);
2448 if (rc)
2449 return;
2450 bnxt_run_fw_tests(bp, test_mask, &test_results);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002451
2452 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2453 bnxt_hwrm_mac_loopback(bp, true);
2454 msleep(250);
2455 rc = bnxt_half_open_nic(bp);
2456 if (rc) {
2457 bnxt_hwrm_mac_loopback(bp, false);
2458 etest->flags |= ETH_TEST_FL_FAILED;
2459 return;
2460 }
2461 if (bnxt_run_loopback(bp))
2462 etest->flags |= ETH_TEST_FL_FAILED;
2463 else
2464 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2465
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002466 bnxt_hwrm_mac_loopback(bp, false);
Michael Chan91725d82017-04-04 18:14:14 -04002467 bnxt_hwrm_phy_loopback(bp, true);
2468 msleep(1000);
2469 if (bnxt_run_loopback(bp)) {
2470 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2471 etest->flags |= ETH_TEST_FL_FAILED;
2472 }
2473 bnxt_hwrm_phy_loopback(bp, false);
2474 bnxt_half_close_nic(bp);
Michael Chaneb513652017-04-04 18:14:12 -04002475 bnxt_open_nic(bp, false, true);
2476 }
Michael Chan67fea462017-04-04 18:14:15 -04002477 if (bnxt_test_irq(bp)) {
2478 buf[BNXT_IRQ_TEST_IDX] = 1;
2479 etest->flags |= ETH_TEST_FL_FAILED;
2480 }
Michael Chaneb513652017-04-04 18:14:12 -04002481 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2482 u8 bit_val = 1 << i;
2483
2484 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2485 buf[i] = 1;
2486 etest->flags |= ETH_TEST_FL_FAILED;
2487 }
2488 }
2489}
2490
Vasundhara Volam49f79722017-10-26 11:51:26 -04002491static int bnxt_reset(struct net_device *dev, u32 *flags)
2492{
2493 struct bnxt *bp = netdev_priv(dev);
2494 int rc = 0;
2495
2496 if (!BNXT_PF(bp)) {
2497 netdev_err(dev, "Reset is not supported from a VF\n");
2498 return -EOPNOTSUPP;
2499 }
2500
2501 if (pci_vfs_assigned(bp->pdev)) {
2502 netdev_err(dev,
2503 "Reset not allowed when VFs are assigned to VMs\n");
2504 return -EBUSY;
2505 }
2506
2507 if (*flags == ETH_RESET_ALL) {
2508 /* This feature is not supported in older firmware versions */
2509 if (bp->hwrm_spec_code < 0x10803)
2510 return -EOPNOTSUPP;
2511
2512 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2513 if (!rc)
2514 netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
2515 } else {
2516 rc = -EINVAL;
2517 }
2518
2519 return rc;
2520}
2521
Michael Chaneb513652017-04-04 18:14:12 -04002522void bnxt_ethtool_init(struct bnxt *bp)
2523{
2524 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2525 struct hwrm_selftest_qlist_input req = {0};
2526 struct bnxt_test_info *test_info;
Michael Chan431aa1e2017-10-26 11:51:23 -04002527 struct net_device *dev = bp->dev;
2528 char *pkglog;
Michael Chaneb513652017-04-04 18:14:12 -04002529 int i, rc;
2530
Michael Chan431aa1e2017-10-26 11:51:23 -04002531 pkglog = kzalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
2532 if (pkglog) {
2533 char *pkgver;
2534 int len;
2535
2536 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
2537 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2538 len = strlen(bp->fw_ver_str);
2539 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2540 "/pkg %s", pkgver);
2541 }
2542 kfree(pkglog);
2543 }
Michael Chaneb513652017-04-04 18:14:12 -04002544 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2545 return;
2546
2547 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2548 mutex_lock(&bp->hwrm_cmd_lock);
2549 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2550 if (rc)
2551 goto ethtool_init_exit;
2552
2553 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2554 if (!test_info)
2555 goto ethtool_init_exit;
2556
2557 bp->test_info = test_info;
2558 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2559 if (bp->num_tests > BNXT_MAX_TEST)
2560 bp->num_tests = BNXT_MAX_TEST;
2561
2562 test_info->offline_mask = resp->offline_tests;
2563 test_info->timeout = le16_to_cpu(resp->test_timeout);
2564 if (!test_info->timeout)
2565 test_info->timeout = HWRM_CMD_TIMEOUT;
2566 for (i = 0; i < bp->num_tests; i++) {
2567 char *str = test_info->string[i];
2568 char *fw_str = resp->test0_name + i * 32;
2569
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002570 if (i == BNXT_MACLPBK_TEST_IDX) {
2571 strcpy(str, "Mac loopback test (offline)");
Michael Chan91725d82017-04-04 18:14:14 -04002572 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2573 strcpy(str, "Phy loopback test (offline)");
Michael Chan67fea462017-04-04 18:14:15 -04002574 } else if (i == BNXT_IRQ_TEST_IDX) {
2575 strcpy(str, "Interrupt_test (offline)");
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002576 } else {
2577 strlcpy(str, fw_str, ETH_GSTRING_LEN);
2578 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2579 if (test_info->offline_mask & (1 << i))
2580 strncat(str, " (offline)",
2581 ETH_GSTRING_LEN - strlen(str));
2582 else
2583 strncat(str, " (online)",
2584 ETH_GSTRING_LEN - strlen(str));
2585 }
Michael Chaneb513652017-04-04 18:14:12 -04002586 }
2587
2588ethtool_init_exit:
2589 mutex_unlock(&bp->hwrm_cmd_lock);
2590}
2591
2592void bnxt_ethtool_free(struct bnxt *bp)
2593{
2594 kfree(bp->test_info);
2595 bp->test_info = NULL;
2596}
2597
Michael Chanc0c050c2015-10-22 16:01:17 -04002598const struct ethtool_ops bnxt_ethtool_ops = {
Michael Chan00c04a92016-06-13 02:25:38 -04002599 .get_link_ksettings = bnxt_get_link_ksettings,
2600 .set_link_ksettings = bnxt_set_link_ksettings,
Michael Chanc0c050c2015-10-22 16:01:17 -04002601 .get_pauseparam = bnxt_get_pauseparam,
2602 .set_pauseparam = bnxt_set_pauseparam,
2603 .get_drvinfo = bnxt_get_drvinfo,
Michael Chan8e202362017-04-04 18:14:09 -04002604 .get_wol = bnxt_get_wol,
Michael Chan5282db62017-04-04 18:14:10 -04002605 .set_wol = bnxt_set_wol,
Michael Chanc0c050c2015-10-22 16:01:17 -04002606 .get_coalesce = bnxt_get_coalesce,
2607 .set_coalesce = bnxt_set_coalesce,
2608 .get_msglevel = bnxt_get_msglevel,
2609 .set_msglevel = bnxt_set_msglevel,
2610 .get_sset_count = bnxt_get_sset_count,
2611 .get_strings = bnxt_get_strings,
2612 .get_ethtool_stats = bnxt_get_ethtool_stats,
2613 .set_ringparam = bnxt_set_ringparam,
2614 .get_ringparam = bnxt_get_ringparam,
2615 .get_channels = bnxt_get_channels,
2616 .set_channels = bnxt_set_channels,
Michael Chanc0c050c2015-10-22 16:01:17 -04002617 .get_rxnfc = bnxt_get_rxnfc,
Michael Chana0119522016-11-16 21:13:10 -05002618 .set_rxnfc = bnxt_set_rxnfc,
Michael Chanc0c050c2015-10-22 16:01:17 -04002619 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2620 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2621 .get_rxfh = bnxt_get_rxfh,
2622 .flash_device = bnxt_flash_device,
2623 .get_eeprom_len = bnxt_get_eeprom_len,
2624 .get_eeprom = bnxt_get_eeprom,
2625 .set_eeprom = bnxt_set_eeprom,
2626 .get_link = bnxt_get_link,
Michael Chan72b34f02016-04-05 14:08:59 -04002627 .get_eee = bnxt_get_eee,
2628 .set_eee = bnxt_set_eee,
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002629 .get_module_info = bnxt_get_module_info,
2630 .get_module_eeprom = bnxt_get_module_eeprom,
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002631 .nway_reset = bnxt_nway_reset,
2632 .set_phys_id = bnxt_set_phys_id,
Michael Chaneb513652017-04-04 18:14:12 -04002633 .self_test = bnxt_self_test,
Vasundhara Volam49f79722017-10-26 11:51:26 -04002634 .reset = bnxt_reset,
Michael Chanc0c050c2015-10-22 16:01:17 -04002635};