blob: fd1181510b65d99b07359ccae58dba43f685f262 [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
Rob Swindell3ebf6f02016-02-26 04:00:06 -050029static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
30
Michael Chanc0c050c2015-10-22 16:01:17 -040031static u32 bnxt_get_msglevel(struct net_device *dev)
32{
33 struct bnxt *bp = netdev_priv(dev);
34
35 return bp->msg_enable;
36}
37
38static void bnxt_set_msglevel(struct net_device *dev, u32 value)
39{
40 struct bnxt *bp = netdev_priv(dev);
41
42 bp->msg_enable = value;
43}
44
45static int bnxt_get_coalesce(struct net_device *dev,
46 struct ethtool_coalesce *coal)
47{
48 struct bnxt *bp = netdev_priv(dev);
49
50 memset(coal, 0, sizeof(*coal));
51
Michael Chandfb5b892016-02-26 04:00:01 -050052 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
53 /* 2 completion records per rx packet */
54 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
55 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
56 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
Michael Chanc0c050c2015-10-22 16:01:17 -040057
Michael Chandfc9c942016-02-26 04:00:03 -050058 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
59 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
60 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
61 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
62
Michael Chan51f30782016-07-01 18:46:29 -040063 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
64
Michael Chanc0c050c2015-10-22 16:01:17 -040065 return 0;
66}
67
68static int bnxt_set_coalesce(struct net_device *dev,
69 struct ethtool_coalesce *coal)
70{
71 struct bnxt *bp = netdev_priv(dev);
Michael Chan51f30782016-07-01 18:46:29 -040072 bool update_stats = false;
Michael Chanc0c050c2015-10-22 16:01:17 -040073 int rc = 0;
74
Michael Chandfb5b892016-02-26 04:00:01 -050075 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
76 /* 2 completion records per rx packet */
77 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
78 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
79 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
Michael Chanc0c050c2015-10-22 16:01:17 -040080
Michael Chandfc9c942016-02-26 04:00:03 -050081 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
82 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
83 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
84 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
85
Michael Chan51f30782016-07-01 18:46:29 -040086 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
87 u32 stats_ticks = coal->stats_block_coalesce_usecs;
88
89 stats_ticks = clamp_t(u32, stats_ticks,
90 BNXT_MIN_STATS_COAL_TICKS,
91 BNXT_MAX_STATS_COAL_TICKS);
92 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 Chanc0c050c2015-10-22 16:01:17 -0400201static int bnxt_get_sset_count(struct net_device *dev, int sset)
202{
203 struct bnxt *bp = netdev_priv(dev);
204
205 switch (sset) {
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500206 case ETH_SS_STATS: {
207 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
208
209 if (bp->flags & BNXT_FLAG_PORT_STATS)
210 num_stats += BNXT_NUM_PORT_STATS;
211
212 return num_stats;
213 }
Michael Chaneb513652017-04-04 18:14:12 -0400214 case ETH_SS_TEST:
215 if (!bp->num_tests)
216 return -EOPNOTSUPP;
217 return bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400218 default:
219 return -EOPNOTSUPP;
220 }
221}
222
223static void bnxt_get_ethtool_stats(struct net_device *dev,
224 struct ethtool_stats *stats, u64 *buf)
225{
226 u32 i, j = 0;
227 struct bnxt *bp = netdev_priv(dev);
228 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
229 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
230
231 memset(buf, 0, buf_size);
232
233 if (!bp->bnapi)
234 return;
235
236 for (i = 0; i < bp->cp_nr_rings; i++) {
237 struct bnxt_napi *bnapi = bp->bnapi[i];
238 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
239 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
240 int k;
241
242 for (k = 0; k < stat_fields; j++, k++)
243 buf[j] = le64_to_cpu(hw_stats[k]);
244 buf[j++] = cpr->rx_l4_csum_errors;
245 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500246 if (bp->flags & BNXT_FLAG_PORT_STATS) {
247 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
248
249 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
250 buf[j] = le64_to_cpu(*(port_stats +
251 bnxt_port_stats_arr[i].offset));
252 }
253 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400254}
255
256static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
257{
258 struct bnxt *bp = netdev_priv(dev);
259 u32 i;
260
261 switch (stringset) {
262 /* The number of strings must match BNXT_NUM_STATS defined above. */
263 case ETH_SS_STATS:
264 for (i = 0; i < bp->cp_nr_rings; i++) {
265 sprintf(buf, "[%d]: rx_ucast_packets", i);
266 buf += ETH_GSTRING_LEN;
267 sprintf(buf, "[%d]: rx_mcast_packets", i);
268 buf += ETH_GSTRING_LEN;
269 sprintf(buf, "[%d]: rx_bcast_packets", i);
270 buf += ETH_GSTRING_LEN;
271 sprintf(buf, "[%d]: rx_discards", i);
272 buf += ETH_GSTRING_LEN;
273 sprintf(buf, "[%d]: rx_drops", i);
274 buf += ETH_GSTRING_LEN;
275 sprintf(buf, "[%d]: rx_ucast_bytes", i);
276 buf += ETH_GSTRING_LEN;
277 sprintf(buf, "[%d]: rx_mcast_bytes", i);
278 buf += ETH_GSTRING_LEN;
279 sprintf(buf, "[%d]: rx_bcast_bytes", i);
280 buf += ETH_GSTRING_LEN;
281 sprintf(buf, "[%d]: tx_ucast_packets", i);
282 buf += ETH_GSTRING_LEN;
283 sprintf(buf, "[%d]: tx_mcast_packets", i);
284 buf += ETH_GSTRING_LEN;
285 sprintf(buf, "[%d]: tx_bcast_packets", i);
286 buf += ETH_GSTRING_LEN;
287 sprintf(buf, "[%d]: tx_discards", i);
288 buf += ETH_GSTRING_LEN;
289 sprintf(buf, "[%d]: tx_drops", i);
290 buf += ETH_GSTRING_LEN;
291 sprintf(buf, "[%d]: tx_ucast_bytes", i);
292 buf += ETH_GSTRING_LEN;
293 sprintf(buf, "[%d]: tx_mcast_bytes", i);
294 buf += ETH_GSTRING_LEN;
295 sprintf(buf, "[%d]: tx_bcast_bytes", i);
296 buf += ETH_GSTRING_LEN;
297 sprintf(buf, "[%d]: tpa_packets", i);
298 buf += ETH_GSTRING_LEN;
299 sprintf(buf, "[%d]: tpa_bytes", i);
300 buf += ETH_GSTRING_LEN;
301 sprintf(buf, "[%d]: tpa_events", i);
302 buf += ETH_GSTRING_LEN;
303 sprintf(buf, "[%d]: tpa_aborts", i);
304 buf += ETH_GSTRING_LEN;
305 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
306 buf += ETH_GSTRING_LEN;
307 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500308 if (bp->flags & BNXT_FLAG_PORT_STATS) {
309 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
310 strcpy(buf, bnxt_port_stats_arr[i].string);
311 buf += ETH_GSTRING_LEN;
312 }
313 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400314 break;
Michael Chaneb513652017-04-04 18:14:12 -0400315 case ETH_SS_TEST:
316 if (bp->num_tests)
317 memcpy(buf, bp->test_info->string,
318 bp->num_tests * ETH_GSTRING_LEN);
319 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400320 default:
321 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
322 stringset);
323 break;
324 }
325}
326
327static void bnxt_get_ringparam(struct net_device *dev,
328 struct ethtool_ringparam *ering)
329{
330 struct bnxt *bp = netdev_priv(dev);
331
332 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
333 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
334 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
335
336 ering->rx_pending = bp->rx_ring_size;
337 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
338 ering->tx_pending = bp->tx_ring_size;
339}
340
341static int bnxt_set_ringparam(struct net_device *dev,
342 struct ethtool_ringparam *ering)
343{
344 struct bnxt *bp = netdev_priv(dev);
345
346 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
347 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
348 (ering->tx_pending <= MAX_SKB_FRAGS))
349 return -EINVAL;
350
351 if (netif_running(dev))
352 bnxt_close_nic(bp, false, false);
353
354 bp->rx_ring_size = ering->rx_pending;
355 bp->tx_ring_size = ering->tx_pending;
356 bnxt_set_ring_params(bp);
357
358 if (netif_running(dev))
359 return bnxt_open_nic(bp, false, false);
360
361 return 0;
362}
363
364static void bnxt_get_channels(struct net_device *dev,
365 struct ethtool_channels *channel)
366{
367 struct bnxt *bp = netdev_priv(dev);
368 int max_rx_rings, max_tx_rings, tcs;
369
Michael Chan6e6c5a52016-01-02 23:45:02 -0500370 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
Michael Chana79a5272017-02-12 19:18:12 -0500371 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
Michael Chan068c9ec2016-01-02 23:45:04 -0500372
Satish Baddipadige18d6e4e2016-05-15 03:04:43 -0400373 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
374 max_rx_rings = 0;
375 max_tx_rings = 0;
376 }
377
Michael Chanc0c050c2015-10-22 16:01:17 -0400378 tcs = netdev_get_num_tc(dev);
379 if (tcs > 1)
380 max_tx_rings /= tcs;
381
382 channel->max_rx = max_rx_rings;
383 channel->max_tx = max_tx_rings;
384 channel->max_other = 0;
Michael Chan068c9ec2016-01-02 23:45:04 -0500385 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
386 channel->combined_count = bp->rx_nr_rings;
Prashant Sreedharan76595192016-07-18 07:15:22 -0400387 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
388 channel->combined_count--;
Michael Chan068c9ec2016-01-02 23:45:04 -0500389 } else {
Prashant Sreedharan76595192016-07-18 07:15:22 -0400390 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
391 channel->rx_count = bp->rx_nr_rings;
392 channel->tx_count = bp->tx_nr_rings_per_tc;
393 }
Michael Chan068c9ec2016-01-02 23:45:04 -0500394 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400395}
396
397static int bnxt_set_channels(struct net_device *dev,
398 struct ethtool_channels *channel)
399{
400 struct bnxt *bp = netdev_priv(dev);
Michael Chand1e79252017-02-06 16:55:38 -0500401 int req_tx_rings, req_rx_rings, tcs;
Michael Chan068c9ec2016-01-02 23:45:04 -0500402 bool sh = false;
Michael Chan5f449242017-02-06 16:55:40 -0500403 int tx_xdp = 0;
Michael Chand1e79252017-02-06 16:55:38 -0500404 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -0400405
Michael Chan068c9ec2016-01-02 23:45:04 -0500406 if (channel->other_count)
Michael Chanc0c050c2015-10-22 16:01:17 -0400407 return -EINVAL;
408
Michael Chan068c9ec2016-01-02 23:45:04 -0500409 if (!channel->combined_count &&
410 (!channel->rx_count || !channel->tx_count))
411 return -EINVAL;
412
413 if (channel->combined_count &&
414 (channel->rx_count || channel->tx_count))
415 return -EINVAL;
416
Prashant Sreedharan76595192016-07-18 07:15:22 -0400417 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
418 channel->tx_count))
419 return -EINVAL;
420
Michael Chan068c9ec2016-01-02 23:45:04 -0500421 if (channel->combined_count)
422 sh = true;
423
Michael Chanc0c050c2015-10-22 16:01:17 -0400424 tcs = netdev_get_num_tc(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400425
Michael Chan391be5c2016-12-29 12:13:41 -0500426 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
Michael Chand1e79252017-02-06 16:55:38 -0500427 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
Michael Chan5f449242017-02-06 16:55:40 -0500428 if (bp->tx_nr_rings_xdp) {
429 if (!sh) {
430 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
431 return -EINVAL;
432 }
433 tx_xdp = req_rx_rings;
434 }
435 rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs, tx_xdp);
Michael Chand1e79252017-02-06 16:55:38 -0500436 if (rc) {
437 netdev_warn(dev, "Unable to allocate the requested rings\n");
438 return rc;
Michael Chan391be5c2016-12-29 12:13:41 -0500439 }
440
Michael Chanc0c050c2015-10-22 16:01:17 -0400441 if (netif_running(dev)) {
442 if (BNXT_PF(bp)) {
443 /* TODO CHIMP_FW: Send message to all VF's
444 * before PF unload
445 */
446 }
447 rc = bnxt_close_nic(bp, true, false);
448 if (rc) {
449 netdev_err(bp->dev, "Set channel failure rc :%x\n",
450 rc);
451 return rc;
452 }
453 }
454
Michael Chan068c9ec2016-01-02 23:45:04 -0500455 if (sh) {
456 bp->flags |= BNXT_FLAG_SHARED_RINGS;
Michael Chand1e79252017-02-06 16:55:38 -0500457 bp->rx_nr_rings = channel->combined_count;
458 bp->tx_nr_rings_per_tc = channel->combined_count;
Michael Chan068c9ec2016-01-02 23:45:04 -0500459 } else {
460 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
461 bp->rx_nr_rings = channel->rx_count;
462 bp->tx_nr_rings_per_tc = channel->tx_count;
463 }
Michael Chan5f449242017-02-06 16:55:40 -0500464 bp->tx_nr_rings_xdp = tx_xdp;
465 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
Michael Chanc0c050c2015-10-22 16:01:17 -0400466 if (tcs > 1)
Michael Chan5f449242017-02-06 16:55:40 -0500467 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
Michael Chan068c9ec2016-01-02 23:45:04 -0500468
469 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
470 bp->tx_nr_rings + bp->rx_nr_rings;
471
Michael Chanc0c050c2015-10-22 16:01:17 -0400472 bp->num_stat_ctxs = bp->cp_nr_rings;
473
Michael Chan2bcfa6f2015-12-27 18:19:24 -0500474 /* After changing number of rx channels, update NTUPLE feature. */
475 netdev_update_features(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400476 if (netif_running(dev)) {
477 rc = bnxt_open_nic(bp, true, false);
478 if ((!rc) && BNXT_PF(bp)) {
479 /* TODO CHIMP_FW: Send message to all VF's
480 * to renable
481 */
482 }
483 }
484
485 return rc;
486}
487
488#ifdef CONFIG_RFS_ACCEL
489static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
490 u32 *rule_locs)
491{
492 int i, j = 0;
493
494 cmd->data = bp->ntp_fltr_count;
495 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
496 struct hlist_head *head;
497 struct bnxt_ntuple_filter *fltr;
498
499 head = &bp->ntp_fltr_hash_tbl[i];
500 rcu_read_lock();
501 hlist_for_each_entry_rcu(fltr, head, hash) {
502 if (j == cmd->rule_cnt)
503 break;
504 rule_locs[j++] = fltr->sw_id;
505 }
506 rcu_read_unlock();
507 if (j == cmd->rule_cnt)
508 break;
509 }
510 cmd->rule_cnt = j;
511 return 0;
512}
513
514static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
515{
516 struct ethtool_rx_flow_spec *fs =
517 (struct ethtool_rx_flow_spec *)&cmd->fs;
518 struct bnxt_ntuple_filter *fltr;
519 struct flow_keys *fkeys;
520 int i, rc = -EINVAL;
521
522 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
523 return rc;
524
525 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
526 struct hlist_head *head;
527
528 head = &bp->ntp_fltr_hash_tbl[i];
529 rcu_read_lock();
530 hlist_for_each_entry_rcu(fltr, head, hash) {
531 if (fltr->sw_id == fs->location)
532 goto fltr_found;
533 }
534 rcu_read_unlock();
535 }
536 return rc;
537
538fltr_found:
539 fkeys = &fltr->fkeys;
Michael Chandda0e742016-12-29 12:13:40 -0500540 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
541 if (fkeys->basic.ip_proto == IPPROTO_TCP)
542 fs->flow_type = TCP_V4_FLOW;
543 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
544 fs->flow_type = UDP_V4_FLOW;
545 else
546 goto fltr_err;
Michael Chanc0c050c2015-10-22 16:01:17 -0400547
Michael Chandda0e742016-12-29 12:13:40 -0500548 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
549 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400550
Michael Chandda0e742016-12-29 12:13:40 -0500551 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
552 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400553
Michael Chandda0e742016-12-29 12:13:40 -0500554 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
555 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400556
Michael Chandda0e742016-12-29 12:13:40 -0500557 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
558 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
559 } else {
560 int i;
561
562 if (fkeys->basic.ip_proto == IPPROTO_TCP)
563 fs->flow_type = TCP_V6_FLOW;
564 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
565 fs->flow_type = UDP_V6_FLOW;
566 else
567 goto fltr_err;
568
569 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
570 fkeys->addrs.v6addrs.src;
571 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
572 fkeys->addrs.v6addrs.dst;
573 for (i = 0; i < 4; i++) {
574 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
575 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
576 }
577 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
578 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
579
580 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
581 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
582 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400583
584 fs->ring_cookie = fltr->rxq;
585 rc = 0;
586
587fltr_err:
588 rcu_read_unlock();
589
590 return rc;
591}
Michael Chana0119522016-11-16 21:13:10 -0500592#endif
593
594static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
595{
596 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
597 return RXH_IP_SRC | RXH_IP_DST;
598 return 0;
599}
600
601static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
602{
603 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
604 return RXH_IP_SRC | RXH_IP_DST;
605 return 0;
606}
607
608static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
609{
610 cmd->data = 0;
611 switch (cmd->flow_type) {
612 case TCP_V4_FLOW:
613 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
614 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
615 RXH_L4_B_0_1 | RXH_L4_B_2_3;
616 cmd->data |= get_ethtool_ipv4_rss(bp);
617 break;
618 case UDP_V4_FLOW:
619 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
620 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
621 RXH_L4_B_0_1 | RXH_L4_B_2_3;
622 /* fall through */
623 case SCTP_V4_FLOW:
624 case AH_ESP_V4_FLOW:
625 case AH_V4_FLOW:
626 case ESP_V4_FLOW:
627 case IPV4_FLOW:
628 cmd->data |= get_ethtool_ipv4_rss(bp);
629 break;
630
631 case TCP_V6_FLOW:
632 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
633 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
634 RXH_L4_B_0_1 | RXH_L4_B_2_3;
635 cmd->data |= get_ethtool_ipv6_rss(bp);
636 break;
637 case UDP_V6_FLOW:
638 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
639 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
640 RXH_L4_B_0_1 | RXH_L4_B_2_3;
641 /* fall through */
642 case SCTP_V6_FLOW:
643 case AH_ESP_V6_FLOW:
644 case AH_V6_FLOW:
645 case ESP_V6_FLOW:
646 case IPV6_FLOW:
647 cmd->data |= get_ethtool_ipv6_rss(bp);
648 break;
649 }
650 return 0;
651}
652
653#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
654#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
655
656static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
657{
658 u32 rss_hash_cfg = bp->rss_hash_cfg;
659 int tuple, rc = 0;
660
661 if (cmd->data == RXH_4TUPLE)
662 tuple = 4;
663 else if (cmd->data == RXH_2TUPLE)
664 tuple = 2;
665 else if (!cmd->data)
666 tuple = 0;
667 else
668 return -EINVAL;
669
670 if (cmd->flow_type == TCP_V4_FLOW) {
671 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
672 if (tuple == 4)
673 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
674 } else if (cmd->flow_type == UDP_V4_FLOW) {
675 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
676 return -EINVAL;
677 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
678 if (tuple == 4)
679 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
680 } else if (cmd->flow_type == TCP_V6_FLOW) {
681 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
682 if (tuple == 4)
683 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
684 } else if (cmd->flow_type == UDP_V6_FLOW) {
685 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
686 return -EINVAL;
687 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
688 if (tuple == 4)
689 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
690 } else if (tuple == 4) {
691 return -EINVAL;
692 }
693
694 switch (cmd->flow_type) {
695 case TCP_V4_FLOW:
696 case UDP_V4_FLOW:
697 case SCTP_V4_FLOW:
698 case AH_ESP_V4_FLOW:
699 case AH_V4_FLOW:
700 case ESP_V4_FLOW:
701 case IPV4_FLOW:
702 if (tuple == 2)
703 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
704 else if (!tuple)
705 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
706 break;
707
708 case TCP_V6_FLOW:
709 case UDP_V6_FLOW:
710 case SCTP_V6_FLOW:
711 case AH_ESP_V6_FLOW:
712 case AH_V6_FLOW:
713 case ESP_V6_FLOW:
714 case IPV6_FLOW:
715 if (tuple == 2)
716 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
717 else if (!tuple)
718 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
719 break;
720 }
721
722 if (bp->rss_hash_cfg == rss_hash_cfg)
723 return 0;
724
725 bp->rss_hash_cfg = rss_hash_cfg;
726 if (netif_running(bp->dev)) {
727 bnxt_close_nic(bp, false, false);
728 rc = bnxt_open_nic(bp, false, false);
729 }
730 return rc;
731}
Michael Chanc0c050c2015-10-22 16:01:17 -0400732
733static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
734 u32 *rule_locs)
735{
736 struct bnxt *bp = netdev_priv(dev);
737 int rc = 0;
738
739 switch (cmd->cmd) {
Michael Chana0119522016-11-16 21:13:10 -0500740#ifdef CONFIG_RFS_ACCEL
Michael Chanc0c050c2015-10-22 16:01:17 -0400741 case ETHTOOL_GRXRINGS:
742 cmd->data = bp->rx_nr_rings;
743 break;
744
745 case ETHTOOL_GRXCLSRLCNT:
746 cmd->rule_cnt = bp->ntp_fltr_count;
747 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
748 break;
749
750 case ETHTOOL_GRXCLSRLALL:
751 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
752 break;
753
754 case ETHTOOL_GRXCLSRULE:
755 rc = bnxt_grxclsrule(bp, cmd);
756 break;
Michael Chana0119522016-11-16 21:13:10 -0500757#endif
758
759 case ETHTOOL_GRXFH:
760 rc = bnxt_grxfh(bp, cmd);
761 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400762
763 default:
764 rc = -EOPNOTSUPP;
765 break;
766 }
767
768 return rc;
769}
Michael Chana0119522016-11-16 21:13:10 -0500770
771static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
772{
773 struct bnxt *bp = netdev_priv(dev);
774 int rc;
775
776 switch (cmd->cmd) {
777 case ETHTOOL_SRXFH:
778 rc = bnxt_srxfh(bp, cmd);
779 break;
780
781 default:
782 rc = -EOPNOTSUPP;
783 break;
784 }
785 return rc;
786}
Michael Chanc0c050c2015-10-22 16:01:17 -0400787
788static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
789{
790 return HW_HASH_INDEX_SIZE;
791}
792
793static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
794{
795 return HW_HASH_KEY_SIZE;
796}
797
798static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
799 u8 *hfunc)
800{
801 struct bnxt *bp = netdev_priv(dev);
802 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
803 int i = 0;
804
805 if (hfunc)
806 *hfunc = ETH_RSS_HASH_TOP;
807
808 if (indir)
809 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
810 indir[i] = le16_to_cpu(vnic->rss_table[i]);
811
812 if (key)
813 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
814
815 return 0;
816}
817
818static void bnxt_get_drvinfo(struct net_device *dev,
819 struct ethtool_drvinfo *info)
820{
821 struct bnxt *bp = netdev_priv(dev);
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500822 char *pkglog;
823 char *pkgver = NULL;
Michael Chanc0c050c2015-10-22 16:01:17 -0400824
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500825 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
826 if (pkglog)
827 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
Michael Chanc0c050c2015-10-22 16:01:17 -0400828 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
829 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500830 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
831 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
832 "%s pkg %s", bp->fw_ver_str, pkgver);
833 else
834 strlcpy(info->fw_version, bp->fw_ver_str,
835 sizeof(info->fw_version));
Michael Chanc0c050c2015-10-22 16:01:17 -0400836 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
837 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
Michael Chaneb513652017-04-04 18:14:12 -0400838 info->testinfo_len = bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400839 /* TODO CHIMP_FW: eeprom dump details */
840 info->eedump_len = 0;
841 /* TODO CHIMP FW: reg dump details */
842 info->regdump_len = 0;
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500843 kfree(pkglog);
Michael Chanc0c050c2015-10-22 16:01:17 -0400844}
845
Michael Chan8e202362017-04-04 18:14:09 -0400846static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
847{
848 struct bnxt *bp = netdev_priv(dev);
849
850 wol->supported = 0;
851 wol->wolopts = 0;
852 memset(&wol->sopass, 0, sizeof(wol->sopass));
853 if (bp->flags & BNXT_FLAG_WOL_CAP) {
854 wol->supported = WAKE_MAGIC;
855 if (bp->wol)
856 wol->wolopts = WAKE_MAGIC;
857 }
858}
859
Michael Chan5282db62017-04-04 18:14:10 -0400860static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
861{
862 struct bnxt *bp = netdev_priv(dev);
863
864 if (wol->wolopts & ~WAKE_MAGIC)
865 return -EINVAL;
866
867 if (wol->wolopts & WAKE_MAGIC) {
868 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
869 return -EINVAL;
870 if (!bp->wol) {
871 if (bnxt_hwrm_alloc_wol_fltr(bp))
872 return -EBUSY;
873 bp->wol = 1;
874 }
875 } else {
876 if (bp->wol) {
877 if (bnxt_hwrm_free_wol_fltr(bp))
878 return -EBUSY;
879 bp->wol = 0;
880 }
881 }
882 return 0;
883}
884
Michael Chan170ce012016-04-05 14:08:57 -0400885u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
Michael Chanc0c050c2015-10-22 16:01:17 -0400886{
Michael Chanc0c050c2015-10-22 16:01:17 -0400887 u32 speed_mask = 0;
888
889 /* TODO: support 25GB, 40GB, 50GB with different cable type */
890 /* set the advertised speeds */
891 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
892 speed_mask |= ADVERTISED_100baseT_Full;
893 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
894 speed_mask |= ADVERTISED_1000baseT_Full;
895 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
896 speed_mask |= ADVERTISED_2500baseX_Full;
897 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
898 speed_mask |= ADVERTISED_10000baseT_Full;
Michael Chanc0c050c2015-10-22 16:01:17 -0400899 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
Michael Chan1c49c422016-02-10 17:33:48 -0500900 speed_mask |= ADVERTISED_40000baseCR4_Full;
Michael Chan27c4d572016-03-07 15:38:41 -0500901
902 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
903 speed_mask |= ADVERTISED_Pause;
904 else if (fw_pause & BNXT_LINK_PAUSE_TX)
905 speed_mask |= ADVERTISED_Asym_Pause;
906 else if (fw_pause & BNXT_LINK_PAUSE_RX)
907 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
908
Michael Chanc0c050c2015-10-22 16:01:17 -0400909 return speed_mask;
910}
911
Michael Chan00c04a92016-06-13 02:25:38 -0400912#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
913{ \
914 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
915 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
916 100baseT_Full); \
917 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
918 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
919 1000baseT_Full); \
920 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
921 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
922 10000baseT_Full); \
923 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
924 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
925 25000baseCR_Full); \
926 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
927 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
928 40000baseCR4_Full);\
929 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
930 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
931 50000baseCR2_Full);\
Deepak Khungar38a21b32017-04-21 20:11:24 -0400932 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
934 100000baseCR4_Full);\
Michael Chan00c04a92016-06-13 02:25:38 -0400935 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
936 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
937 Pause); \
938 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
939 ethtool_link_ksettings_add_link_mode( \
940 lk_ksettings, name, Asym_Pause);\
941 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
942 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
943 Asym_Pause); \
944 } \
945}
946
947#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
948{ \
949 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
950 100baseT_Full) || \
951 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
952 100baseT_Half)) \
953 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
954 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
955 1000baseT_Full) || \
956 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
957 1000baseT_Half)) \
958 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
959 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
960 10000baseT_Full)) \
961 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
962 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
963 25000baseCR_Full)) \
964 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
965 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
966 40000baseCR4_Full)) \
967 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
968 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
969 50000baseCR2_Full)) \
970 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
Deepak Khungar38a21b32017-04-21 20:11:24 -0400971 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
972 100000baseCR4_Full)) \
973 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
Michael Chan00c04a92016-06-13 02:25:38 -0400974}
975
976static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
977 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan27c4d572016-03-07 15:38:41 -0500978{
Michael Chan68515a12016-12-29 12:13:34 -0500979 u16 fw_speeds = link_info->advertising;
Michael Chan27c4d572016-03-07 15:38:41 -0500980 u8 fw_pause = 0;
981
982 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
983 fw_pause = link_info->auto_pause_setting;
984
Michael Chan00c04a92016-06-13 02:25:38 -0400985 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
Michael Chan27c4d572016-03-07 15:38:41 -0500986}
987
Michael Chan00c04a92016-06-13 02:25:38 -0400988static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
989 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan32773602016-03-07 15:38:42 -0500990{
991 u16 fw_speeds = link_info->lp_auto_link_speeds;
992 u8 fw_pause = 0;
993
994 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
995 fw_pause = link_info->lp_pause;
996
Michael Chan00c04a92016-06-13 02:25:38 -0400997 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
998 lp_advertising);
Michael Chan32773602016-03-07 15:38:42 -0500999}
1000
Michael Chan00c04a92016-06-13 02:25:38 -04001001static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1002 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan4b32cac2016-03-07 15:38:43 -05001003{
1004 u16 fw_speeds = link_info->support_speeds;
Michael Chan4b32cac2016-03-07 15:38:43 -05001005
Michael Chan00c04a92016-06-13 02:25:38 -04001006 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
Michael Chan4b32cac2016-03-07 15:38:43 -05001007
Michael Chan00c04a92016-06-13 02:25:38 -04001008 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1009 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1010 Asym_Pause);
Michael Chan93ed8112016-06-13 02:25:37 -04001011
Michael Chan00c04a92016-06-13 02:25:38 -04001012 if (link_info->support_auto_speeds)
1013 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1014 Autoneg);
Michael Chan93ed8112016-06-13 02:25:37 -04001015}
1016
Michael Chanc0c050c2015-10-22 16:01:17 -04001017u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1018{
1019 switch (fw_link_speed) {
1020 case BNXT_LINK_SPEED_100MB:
1021 return SPEED_100;
1022 case BNXT_LINK_SPEED_1GB:
1023 return SPEED_1000;
1024 case BNXT_LINK_SPEED_2_5GB:
1025 return SPEED_2500;
1026 case BNXT_LINK_SPEED_10GB:
1027 return SPEED_10000;
1028 case BNXT_LINK_SPEED_20GB:
1029 return SPEED_20000;
1030 case BNXT_LINK_SPEED_25GB:
1031 return SPEED_25000;
1032 case BNXT_LINK_SPEED_40GB:
1033 return SPEED_40000;
1034 case BNXT_LINK_SPEED_50GB:
1035 return SPEED_50000;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001036 case BNXT_LINK_SPEED_100GB:
1037 return SPEED_100000;
Michael Chanc0c050c2015-10-22 16:01:17 -04001038 default:
1039 return SPEED_UNKNOWN;
1040 }
1041}
1042
Michael Chan00c04a92016-06-13 02:25:38 -04001043static int bnxt_get_link_ksettings(struct net_device *dev,
1044 struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001045{
1046 struct bnxt *bp = netdev_priv(dev);
1047 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001048 struct ethtool_link_settings *base = &lk_ksettings->base;
1049 u32 ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001050
Michael Chan00c04a92016-06-13 02:25:38 -04001051 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1052 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
Michael Chanc0c050c2015-10-22 16:01:17 -04001053
Michael Chan00c04a92016-06-13 02:25:38 -04001054 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
Michael Chanb7634992016-02-10 17:33:46 -05001055 if (link_info->autoneg) {
Michael Chan00c04a92016-06-13 02:25:38 -04001056 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1057 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1058 advertising, Autoneg);
1059 base->autoneg = AUTONEG_ENABLE;
Michael Chan32773602016-03-07 15:38:42 -05001060 if (link_info->phy_link_status == BNXT_LINK_LINK)
Michael Chan00c04a92016-06-13 02:25:38 -04001061 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
Michael Chan29c262f2016-04-05 14:09:03 -04001062 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1063 if (!netif_carrier_ok(dev))
Michael Chan00c04a92016-06-13 02:25:38 -04001064 base->duplex = DUPLEX_UNKNOWN;
Michael Chan29c262f2016-04-05 14:09:03 -04001065 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001066 base->duplex = DUPLEX_FULL;
Michael Chan29c262f2016-04-05 14:09:03 -04001067 else
Michael Chan00c04a92016-06-13 02:25:38 -04001068 base->duplex = DUPLEX_HALF;
Michael Chanc0c050c2015-10-22 16:01:17 -04001069 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001070 base->autoneg = AUTONEG_DISABLE;
Michael Chan29c262f2016-04-05 14:09:03 -04001071 ethtool_speed =
1072 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
Michael Chan00c04a92016-06-13 02:25:38 -04001073 base->duplex = DUPLEX_HALF;
Michael Chan29c262f2016-04-05 14:09:03 -04001074 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001075 base->duplex = DUPLEX_FULL;
Michael Chanc0c050c2015-10-22 16:01:17 -04001076 }
Michael Chan00c04a92016-06-13 02:25:38 -04001077 base->speed = ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001078
Michael Chan00c04a92016-06-13 02:25:38 -04001079 base->port = PORT_NONE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001080 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
Michael Chan00c04a92016-06-13 02:25:38 -04001081 base->port = PORT_TP;
1082 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1083 TP);
1084 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1085 TP);
Michael Chanc0c050c2015-10-22 16:01:17 -04001086 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001087 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1088 FIBRE);
1089 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1090 FIBRE);
Michael Chanc0c050c2015-10-22 16:01:17 -04001091
1092 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
Michael Chan00c04a92016-06-13 02:25:38 -04001093 base->port = PORT_DA;
Michael Chanc0c050c2015-10-22 16:01:17 -04001094 else if (link_info->media_type ==
1095 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
Michael Chan00c04a92016-06-13 02:25:38 -04001096 base->port = PORT_FIBRE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001097 }
Michael Chan00c04a92016-06-13 02:25:38 -04001098 base->phy_address = link_info->phy_addr;
Michael Chanc0c050c2015-10-22 16:01:17 -04001099
1100 return 0;
1101}
1102
Deepak Khungar38a21b32017-04-21 20:11:24 -04001103static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
Michael Chanc0c050c2015-10-22 16:01:17 -04001104{
Michael Chan9d9cee02016-04-05 14:09:02 -04001105 struct bnxt *bp = netdev_priv(dev);
1106 struct bnxt_link_info *link_info = &bp->link_info;
1107 u16 support_spds = link_info->support_speeds;
1108 u32 fw_speed = 0;
1109
Michael Chanc0c050c2015-10-22 16:01:17 -04001110 switch (ethtool_speed) {
1111 case SPEED_100:
Michael Chan9d9cee02016-04-05 14:09:02 -04001112 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1113 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1114 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001115 case SPEED_1000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001116 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1117 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1118 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001119 case SPEED_2500:
Michael Chan9d9cee02016-04-05 14:09:02 -04001120 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1121 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1122 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001123 case SPEED_10000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001124 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1125 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1126 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001127 case SPEED_20000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001128 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1129 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1130 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001131 case SPEED_25000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001132 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1133 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1134 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001135 case SPEED_40000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001136 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1137 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1138 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001139 case SPEED_50000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001140 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1141 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1142 break;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001143 case SPEED_100000:
1144 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1145 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1146 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001147 default:
1148 netdev_err(dev, "unsupported speed!\n");
1149 break;
1150 }
Michael Chan9d9cee02016-04-05 14:09:02 -04001151 return fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001152}
1153
Michael Chan939f7f02016-04-05 14:08:58 -04001154u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
Michael Chanc0c050c2015-10-22 16:01:17 -04001155{
1156 u16 fw_speed_mask = 0;
1157
1158 /* only support autoneg at speed 100, 1000, and 10000 */
1159 if (advertising & (ADVERTISED_100baseT_Full |
1160 ADVERTISED_100baseT_Half)) {
1161 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1162 }
1163 if (advertising & (ADVERTISED_1000baseT_Full |
1164 ADVERTISED_1000baseT_Half)) {
1165 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1166 }
1167 if (advertising & ADVERTISED_10000baseT_Full)
1168 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1169
Michael Chan1c49c422016-02-10 17:33:48 -05001170 if (advertising & ADVERTISED_40000baseCR4_Full)
1171 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1172
Michael Chanc0c050c2015-10-22 16:01:17 -04001173 return fw_speed_mask;
1174}
1175
Michael Chan00c04a92016-06-13 02:25:38 -04001176static int bnxt_set_link_ksettings(struct net_device *dev,
1177 const struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001178{
Michael Chanc0c050c2015-10-22 16:01:17 -04001179 struct bnxt *bp = netdev_priv(dev);
1180 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001181 const struct ethtool_link_settings *base = &lk_ksettings->base;
Michael Chanc0c050c2015-10-22 16:01:17 -04001182 bool set_pause = false;
Michael Chan68515a12016-12-29 12:13:34 -05001183 u16 fw_advertising = 0;
1184 u32 speed;
Michael Chan00c04a92016-06-13 02:25:38 -04001185 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001186
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001187 if (!BNXT_SINGLE_PF(bp))
Michael Chan00c04a92016-06-13 02:25:38 -04001188 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001189
Michael Chan00c04a92016-06-13 02:25:38 -04001190 if (base->autoneg == AUTONEG_ENABLE) {
1191 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1192 advertising);
Michael Chanc0c050c2015-10-22 16:01:17 -04001193 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1194 if (!fw_advertising)
Michael Chan93ed8112016-06-13 02:25:37 -04001195 link_info->advertising = link_info->support_auto_speeds;
Michael Chanc0c050c2015-10-22 16:01:17 -04001196 else
1197 link_info->advertising = fw_advertising;
1198 /* any change to autoneg will cause link change, therefore the
1199 * driver should put back the original pause setting in autoneg
1200 */
1201 set_pause = true;
1202 } else {
Michael Chan9d9cee02016-04-05 14:09:02 -04001203 u16 fw_speed;
Michael Chan03efbec2016-04-11 04:11:11 -04001204 u8 phy_type = link_info->phy_type;
Michael Chan9d9cee02016-04-05 14:09:02 -04001205
Michael Chan03efbec2016-04-11 04:11:11 -04001206 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1207 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1208 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1209 netdev_err(dev, "10GBase-T devices must autoneg\n");
1210 rc = -EINVAL;
1211 goto set_setting_exit;
1212 }
Michael Chan00c04a92016-06-13 02:25:38 -04001213 if (base->duplex == DUPLEX_HALF) {
Michael Chanc0c050c2015-10-22 16:01:17 -04001214 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1215 rc = -EINVAL;
1216 goto set_setting_exit;
1217 }
Michael Chan00c04a92016-06-13 02:25:38 -04001218 speed = base->speed;
Michael Chan9d9cee02016-04-05 14:09:02 -04001219 fw_speed = bnxt_get_fw_speed(dev, speed);
1220 if (!fw_speed) {
1221 rc = -EINVAL;
1222 goto set_setting_exit;
1223 }
1224 link_info->req_link_speed = fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001225 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
Michael Chanb7634992016-02-10 17:33:46 -05001226 link_info->autoneg = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001227 link_info->advertising = 0;
1228 }
1229
1230 if (netif_running(dev))
Michael Chan939f7f02016-04-05 14:08:58 -04001231 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
Michael Chanc0c050c2015-10-22 16:01:17 -04001232
1233set_setting_exit:
1234 return rc;
1235}
1236
1237static void bnxt_get_pauseparam(struct net_device *dev,
1238 struct ethtool_pauseparam *epause)
1239{
1240 struct bnxt *bp = netdev_priv(dev);
1241 struct bnxt_link_info *link_info = &bp->link_info;
1242
1243 if (BNXT_VF(bp))
1244 return;
Michael Chanb7634992016-02-10 17:33:46 -05001245 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
Michael Chan3c02d1b2016-03-28 19:46:07 -04001246 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1247 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
Michael Chanc0c050c2015-10-22 16:01:17 -04001248}
1249
1250static int bnxt_set_pauseparam(struct net_device *dev,
1251 struct ethtool_pauseparam *epause)
1252{
1253 int rc = 0;
1254 struct bnxt *bp = netdev_priv(dev);
1255 struct bnxt_link_info *link_info = &bp->link_info;
1256
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001257 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001258 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001259
1260 if (epause->autoneg) {
Michael Chanb7634992016-02-10 17:33:46 -05001261 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1262 return -EINVAL;
1263
Michael Chanc0c050c2015-10-22 16:01:17 -04001264 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001265 if (bp->hwrm_spec_code >= 0x10201)
1266 link_info->req_flow_ctrl =
1267 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001268 } else {
1269 /* when transition from auto pause to force pause,
1270 * force a link change
1271 */
1272 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1273 link_info->force_link_chng = true;
1274 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001275 link_info->req_flow_ctrl = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001276 }
1277 if (epause->rx_pause)
1278 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001279
1280 if (epause->tx_pause)
1281 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001282
1283 if (netif_running(dev))
1284 rc = bnxt_hwrm_set_pause(bp);
1285 return rc;
1286}
1287
1288static u32 bnxt_get_link(struct net_device *dev)
1289{
1290 struct bnxt *bp = netdev_priv(dev);
1291
1292 /* TODO: handle MF, VF, driver close case */
1293 return bp->link_info.link_up;
1294}
1295
Rob Swindell5ac67d82016-09-19 03:58:03 -04001296static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1297 u16 ext, u16 *index, u32 *item_length,
1298 u32 *data_length);
1299
Michael Chanc0c050c2015-10-22 16:01:17 -04001300static int bnxt_flash_nvram(struct net_device *dev,
1301 u16 dir_type,
1302 u16 dir_ordinal,
1303 u16 dir_ext,
1304 u16 dir_attr,
1305 const u8 *data,
1306 size_t data_len)
1307{
1308 struct bnxt *bp = netdev_priv(dev);
1309 int rc;
1310 struct hwrm_nvm_write_input req = {0};
1311 dma_addr_t dma_handle;
1312 u8 *kmem;
1313
1314 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1315
1316 req.dir_type = cpu_to_le16(dir_type);
1317 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1318 req.dir_ext = cpu_to_le16(dir_ext);
1319 req.dir_attr = cpu_to_le16(dir_attr);
1320 req.dir_data_length = cpu_to_le32(data_len);
1321
1322 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1323 GFP_KERNEL);
1324 if (!kmem) {
1325 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1326 (unsigned)data_len);
1327 return -ENOMEM;
1328 }
1329 memcpy(kmem, data, data_len);
1330 req.host_src_addr = cpu_to_le64(dma_handle);
1331
1332 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1333 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1334
1335 return rc;
1336}
1337
Rob Swindelld2d63182016-01-07 19:56:58 -05001338static int bnxt_firmware_reset(struct net_device *dev,
1339 u16 dir_type)
1340{
1341 struct bnxt *bp = netdev_priv(dev);
1342 struct hwrm_fw_reset_input req = {0};
1343
1344 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1345
1346 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1347 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1348 /* (e.g. when firmware isn't already running) */
1349 switch (dir_type) {
1350 case BNX_DIR_TYPE_CHIMP_PATCH:
1351 case BNX_DIR_TYPE_BOOTCODE:
1352 case BNX_DIR_TYPE_BOOTCODE_2:
1353 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1354 /* Self-reset ChiMP upon next PCIe reset: */
1355 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1356 break;
1357 case BNX_DIR_TYPE_APE_FW:
1358 case BNX_DIR_TYPE_APE_PATCH:
1359 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
Rob Swindell08141e02016-07-01 18:46:23 -04001360 /* Self-reset APE upon next PCIe reset: */
1361 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
Rob Swindelld2d63182016-01-07 19:56:58 -05001362 break;
1363 case BNX_DIR_TYPE_KONG_FW:
1364 case BNX_DIR_TYPE_KONG_PATCH:
1365 req.embedded_proc_type =
1366 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1367 break;
1368 case BNX_DIR_TYPE_BONO_FW:
1369 case BNX_DIR_TYPE_BONO_PATCH:
1370 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1371 break;
1372 default:
1373 return -EINVAL;
1374 }
1375
1376 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1377}
1378
Michael Chanc0c050c2015-10-22 16:01:17 -04001379static int bnxt_flash_firmware(struct net_device *dev,
1380 u16 dir_type,
1381 const u8 *fw_data,
1382 size_t fw_size)
1383{
1384 int rc = 0;
1385 u16 code_type;
1386 u32 stored_crc;
1387 u32 calculated_crc;
1388 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1389
1390 switch (dir_type) {
1391 case BNX_DIR_TYPE_BOOTCODE:
1392 case BNX_DIR_TYPE_BOOTCODE_2:
1393 code_type = CODE_BOOT;
1394 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001395 case BNX_DIR_TYPE_CHIMP_PATCH:
1396 code_type = CODE_CHIMP_PATCH;
1397 break;
Rob Swindell2731d702015-12-27 18:19:20 -05001398 case BNX_DIR_TYPE_APE_FW:
1399 code_type = CODE_MCTP_PASSTHRU;
1400 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001401 case BNX_DIR_TYPE_APE_PATCH:
1402 code_type = CODE_APE_PATCH;
1403 break;
1404 case BNX_DIR_TYPE_KONG_FW:
1405 code_type = CODE_KONG_FW;
1406 break;
1407 case BNX_DIR_TYPE_KONG_PATCH:
1408 code_type = CODE_KONG_PATCH;
1409 break;
1410 case BNX_DIR_TYPE_BONO_FW:
1411 code_type = CODE_BONO_FW;
1412 break;
1413 case BNX_DIR_TYPE_BONO_PATCH:
1414 code_type = CODE_BONO_PATCH;
1415 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001416 default:
1417 netdev_err(dev, "Unsupported directory entry type: %u\n",
1418 dir_type);
1419 return -EINVAL;
1420 }
1421 if (fw_size < sizeof(struct bnxt_fw_header)) {
1422 netdev_err(dev, "Invalid firmware file size: %u\n",
1423 (unsigned int)fw_size);
1424 return -EINVAL;
1425 }
1426 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1427 netdev_err(dev, "Invalid firmware signature: %08X\n",
1428 le32_to_cpu(header->signature));
1429 return -EINVAL;
1430 }
1431 if (header->code_type != code_type) {
1432 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1433 code_type, header->code_type);
1434 return -EINVAL;
1435 }
1436 if (header->device != DEVICE_CUMULUS_FAMILY) {
1437 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1438 DEVICE_CUMULUS_FAMILY, header->device);
1439 return -EINVAL;
1440 }
1441 /* Confirm the CRC32 checksum of the file: */
1442 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1443 sizeof(stored_crc)));
1444 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1445 if (calculated_crc != stored_crc) {
1446 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1447 (unsigned long)stored_crc,
1448 (unsigned long)calculated_crc);
1449 return -EINVAL;
1450 }
Michael Chanc0c050c2015-10-22 16:01:17 -04001451 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1452 0, 0, fw_data, fw_size);
Rob Swindelld2d63182016-01-07 19:56:58 -05001453 if (rc == 0) /* Firmware update successful */
1454 rc = bnxt_firmware_reset(dev, dir_type);
1455
Michael Chanc0c050c2015-10-22 16:01:17 -04001456 return rc;
1457}
1458
Rob Swindell5ac67d82016-09-19 03:58:03 -04001459static int bnxt_flash_microcode(struct net_device *dev,
1460 u16 dir_type,
1461 const u8 *fw_data,
1462 size_t fw_size)
1463{
1464 struct bnxt_ucode_trailer *trailer;
1465 u32 calculated_crc;
1466 u32 stored_crc;
1467 int rc = 0;
1468
1469 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1470 netdev_err(dev, "Invalid microcode file size: %u\n",
1471 (unsigned int)fw_size);
1472 return -EINVAL;
1473 }
1474 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1475 sizeof(*trailer)));
1476 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1477 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1478 le32_to_cpu(trailer->sig));
1479 return -EINVAL;
1480 }
1481 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1482 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1483 dir_type, le16_to_cpu(trailer->dir_type));
1484 return -EINVAL;
1485 }
1486 if (le16_to_cpu(trailer->trailer_length) <
1487 sizeof(struct bnxt_ucode_trailer)) {
1488 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1489 le16_to_cpu(trailer->trailer_length));
1490 return -EINVAL;
1491 }
1492
1493 /* Confirm the CRC32 checksum of the file: */
1494 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1495 sizeof(stored_crc)));
1496 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1497 if (calculated_crc != stored_crc) {
1498 netdev_err(dev,
1499 "CRC32 (%08lX) does not match calculated: %08lX\n",
1500 (unsigned long)stored_crc,
1501 (unsigned long)calculated_crc);
1502 return -EINVAL;
1503 }
1504 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1505 0, 0, fw_data, fw_size);
1506
1507 return rc;
1508}
1509
Michael Chanc0c050c2015-10-22 16:01:17 -04001510static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1511{
1512 switch (dir_type) {
1513 case BNX_DIR_TYPE_CHIMP_PATCH:
1514 case BNX_DIR_TYPE_BOOTCODE:
1515 case BNX_DIR_TYPE_BOOTCODE_2:
1516 case BNX_DIR_TYPE_APE_FW:
1517 case BNX_DIR_TYPE_APE_PATCH:
1518 case BNX_DIR_TYPE_KONG_FW:
1519 case BNX_DIR_TYPE_KONG_PATCH:
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001520 case BNX_DIR_TYPE_BONO_FW:
1521 case BNX_DIR_TYPE_BONO_PATCH:
Michael Chanc0c050c2015-10-22 16:01:17 -04001522 return true;
1523 }
1524
1525 return false;
1526}
1527
Rob Swindell5ac67d82016-09-19 03:58:03 -04001528static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001529{
1530 switch (dir_type) {
1531 case BNX_DIR_TYPE_AVS:
1532 case BNX_DIR_TYPE_EXP_ROM_MBA:
1533 case BNX_DIR_TYPE_PCIE:
1534 case BNX_DIR_TYPE_TSCF_UCODE:
1535 case BNX_DIR_TYPE_EXT_PHY:
1536 case BNX_DIR_TYPE_CCM:
1537 case BNX_DIR_TYPE_ISCSI_BOOT:
1538 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1539 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1540 return true;
1541 }
1542
1543 return false;
1544}
1545
1546static bool bnxt_dir_type_is_executable(u16 dir_type)
1547{
1548 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
Rob Swindell5ac67d82016-09-19 03:58:03 -04001549 bnxt_dir_type_is_other_exec_format(dir_type);
Michael Chanc0c050c2015-10-22 16:01:17 -04001550}
1551
1552static int bnxt_flash_firmware_from_file(struct net_device *dev,
1553 u16 dir_type,
1554 const char *filename)
1555{
1556 const struct firmware *fw;
1557 int rc;
1558
Michael Chanc0c050c2015-10-22 16:01:17 -04001559 rc = request_firmware(&fw, filename, &dev->dev);
1560 if (rc != 0) {
1561 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1562 rc, filename);
1563 return rc;
1564 }
1565 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1566 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
Rob Swindell5ac67d82016-09-19 03:58:03 -04001567 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1568 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
Michael Chanc0c050c2015-10-22 16:01:17 -04001569 else
1570 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1571 0, 0, fw->data, fw->size);
1572 release_firmware(fw);
1573 return rc;
1574}
1575
1576static int bnxt_flash_package_from_file(struct net_device *dev,
Rob Swindell5ac67d82016-09-19 03:58:03 -04001577 char *filename, u32 install_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001578{
Rob Swindell5ac67d82016-09-19 03:58:03 -04001579 struct bnxt *bp = netdev_priv(dev);
1580 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1581 struct hwrm_nvm_install_update_input install = {0};
1582 const struct firmware *fw;
1583 u32 item_len;
1584 u16 index;
1585 int rc;
1586
1587 bnxt_hwrm_fw_set_time(bp);
1588
1589 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1590 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1591 &index, &item_len, NULL) != 0) {
1592 netdev_err(dev, "PKG update area not created in nvram\n");
1593 return -ENOBUFS;
1594 }
1595
1596 rc = request_firmware(&fw, filename, &dev->dev);
1597 if (rc != 0) {
1598 netdev_err(dev, "PKG error %d requesting file: %s\n",
1599 rc, filename);
1600 return rc;
1601 }
1602
1603 if (fw->size > item_len) {
1604 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1605 (unsigned long)fw->size);
1606 rc = -EFBIG;
1607 } else {
1608 dma_addr_t dma_handle;
1609 u8 *kmem;
1610 struct hwrm_nvm_modify_input modify = {0};
1611
1612 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1613
1614 modify.dir_idx = cpu_to_le16(index);
1615 modify.len = cpu_to_le32(fw->size);
1616
1617 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1618 &dma_handle, GFP_KERNEL);
1619 if (!kmem) {
1620 netdev_err(dev,
1621 "dma_alloc_coherent failure, length = %u\n",
1622 (unsigned int)fw->size);
1623 rc = -ENOMEM;
1624 } else {
1625 memcpy(kmem, fw->data, fw->size);
1626 modify.host_src_addr = cpu_to_le64(dma_handle);
1627
1628 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1629 FLASH_PACKAGE_TIMEOUT);
1630 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1631 dma_handle);
1632 }
1633 }
1634 release_firmware(fw);
1635 if (rc)
1636 return rc;
1637
1638 if ((install_type & 0xffff) == 0)
1639 install_type >>= 16;
1640 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1641 install.install_type = cpu_to_le32(install_type);
1642
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001643 mutex_lock(&bp->hwrm_cmd_lock);
1644 rc = _hwrm_send_message(bp, &install, sizeof(install),
1645 INSTALL_PACKAGE_TIMEOUT);
1646 if (rc) {
1647 rc = -EOPNOTSUPP;
1648 goto flash_pkg_exit;
1649 }
1650
1651 if (resp->error_code) {
1652 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1653
1654 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1655 install.flags |= cpu_to_le16(
1656 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1657 rc = _hwrm_send_message(bp, &install, sizeof(install),
1658 INSTALL_PACKAGE_TIMEOUT);
1659 if (rc) {
1660 rc = -EOPNOTSUPP;
1661 goto flash_pkg_exit;
1662 }
1663 }
1664 }
Rob Swindell5ac67d82016-09-19 03:58:03 -04001665
1666 if (resp->result) {
1667 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1668 (s8)resp->result, (int)resp->problem_item);
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001669 rc = -ENOPKG;
Rob Swindell5ac67d82016-09-19 03:58:03 -04001670 }
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001671flash_pkg_exit:
1672 mutex_unlock(&bp->hwrm_cmd_lock);
1673 return rc;
Michael Chanc0c050c2015-10-22 16:01:17 -04001674}
1675
1676static int bnxt_flash_device(struct net_device *dev,
1677 struct ethtool_flash *flash)
1678{
1679 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1680 netdev_err(dev, "flashdev not supported from a virtual function\n");
1681 return -EINVAL;
1682 }
1683
Rob Swindell5ac67d82016-09-19 03:58:03 -04001684 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1685 flash->region > 0xffff)
1686 return bnxt_flash_package_from_file(dev, flash->data,
1687 flash->region);
Michael Chanc0c050c2015-10-22 16:01:17 -04001688
1689 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1690}
1691
1692static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1693{
1694 struct bnxt *bp = netdev_priv(dev);
1695 int rc;
1696 struct hwrm_nvm_get_dir_info_input req = {0};
1697 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1698
1699 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1700
1701 mutex_lock(&bp->hwrm_cmd_lock);
1702 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1703 if (!rc) {
1704 *entries = le32_to_cpu(output->entries);
1705 *length = le32_to_cpu(output->entry_length);
1706 }
1707 mutex_unlock(&bp->hwrm_cmd_lock);
1708 return rc;
1709}
1710
1711static int bnxt_get_eeprom_len(struct net_device *dev)
1712{
1713 /* The -1 return value allows the entire 32-bit range of offsets to be
1714 * passed via the ethtool command-line utility.
1715 */
1716 return -1;
1717}
1718
1719static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1720{
1721 struct bnxt *bp = netdev_priv(dev);
1722 int rc;
1723 u32 dir_entries;
1724 u32 entry_length;
1725 u8 *buf;
1726 size_t buflen;
1727 dma_addr_t dma_handle;
1728 struct hwrm_nvm_get_dir_entries_input req = {0};
1729
1730 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1731 if (rc != 0)
1732 return rc;
1733
1734 /* Insert 2 bytes of directory info (count and size of entries) */
1735 if (len < 2)
1736 return -EINVAL;
1737
1738 *data++ = dir_entries;
1739 *data++ = entry_length;
1740 len -= 2;
1741 memset(data, 0xff, len);
1742
1743 buflen = dir_entries * entry_length;
1744 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1745 GFP_KERNEL);
1746 if (!buf) {
1747 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1748 (unsigned)buflen);
1749 return -ENOMEM;
1750 }
1751 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1752 req.host_dest_addr = cpu_to_le64(dma_handle);
1753 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1754 if (rc == 0)
1755 memcpy(data, buf, len > buflen ? buflen : len);
1756 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1757 return rc;
1758}
1759
1760static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1761 u32 length, u8 *data)
1762{
1763 struct bnxt *bp = netdev_priv(dev);
1764 int rc;
1765 u8 *buf;
1766 dma_addr_t dma_handle;
1767 struct hwrm_nvm_read_input req = {0};
1768
1769 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 Chan90e209212016-02-26 04:00:08 -05001805 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001806 if (rc == 0) {
1807 if (index)
1808 *index = le16_to_cpu(output->dir_idx);
1809 if (item_length)
1810 *item_length = le32_to_cpu(output->dir_item_length);
1811 if (data_length)
1812 *data_length = le32_to_cpu(output->dir_data_length);
1813 }
1814 return rc;
1815}
1816
1817static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1818{
1819 char *retval = NULL;
1820 char *p;
1821 char *value;
1822 int field = 0;
1823
1824 if (datalen < 1)
1825 return NULL;
1826 /* null-terminate the log data (removing last '\n'): */
1827 data[datalen - 1] = 0;
1828 for (p = data; *p != 0; p++) {
1829 field = 0;
1830 retval = NULL;
1831 while (*p != 0 && *p != '\n') {
1832 value = p;
1833 while (*p != 0 && *p != '\t' && *p != '\n')
1834 p++;
1835 if (field == desired_field)
1836 retval = value;
1837 if (*p != '\t')
1838 break;
1839 *p = 0;
1840 field++;
1841 p++;
1842 }
1843 if (*p == 0)
1844 break;
1845 *p = 0;
1846 }
1847 return retval;
1848}
1849
1850static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1851{
1852 u16 index = 0;
1853 u32 datalen;
1854
1855 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1856 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1857 &index, NULL, &datalen) != 0)
1858 return NULL;
1859
1860 memset(buf, 0, buflen);
1861 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1862 return NULL;
1863
1864 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1865 datalen);
1866}
1867
Michael Chanc0c050c2015-10-22 16:01:17 -04001868static int bnxt_get_eeprom(struct net_device *dev,
1869 struct ethtool_eeprom *eeprom,
1870 u8 *data)
1871{
1872 u32 index;
1873 u32 offset;
1874
1875 if (eeprom->offset == 0) /* special offset value to get directory */
1876 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1877
1878 index = eeprom->offset >> 24;
1879 offset = eeprom->offset & 0xffffff;
1880
1881 if (index == 0) {
1882 netdev_err(dev, "unsupported index value: %d\n", index);
1883 return -EINVAL;
1884 }
1885
1886 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1887}
1888
1889static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1890{
1891 struct bnxt *bp = netdev_priv(dev);
1892 struct hwrm_nvm_erase_dir_entry_input req = {0};
1893
1894 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1895 req.dir_idx = cpu_to_le16(index);
1896 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1897}
1898
1899static int bnxt_set_eeprom(struct net_device *dev,
1900 struct ethtool_eeprom *eeprom,
1901 u8 *data)
1902{
1903 struct bnxt *bp = netdev_priv(dev);
1904 u8 index, dir_op;
1905 u16 type, ext, ordinal, attr;
1906
1907 if (!BNXT_PF(bp)) {
1908 netdev_err(dev, "NVM write not supported from a virtual function\n");
1909 return -EINVAL;
1910 }
1911
1912 type = eeprom->magic >> 16;
1913
1914 if (type == 0xffff) { /* special value for directory operations */
1915 index = eeprom->magic & 0xff;
1916 dir_op = eeprom->magic >> 8;
1917 if (index == 0)
1918 return -EINVAL;
1919 switch (dir_op) {
1920 case 0x0e: /* erase */
1921 if (eeprom->offset != ~eeprom->magic)
1922 return -EINVAL;
1923 return bnxt_erase_nvram_directory(dev, index - 1);
1924 default:
1925 return -EINVAL;
1926 }
1927 }
1928
1929 /* Create or re-write an NVM item: */
1930 if (bnxt_dir_type_is_executable(type) == true)
Rob Swindell5ac67d82016-09-19 03:58:03 -04001931 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001932 ext = eeprom->magic & 0xffff;
1933 ordinal = eeprom->offset >> 16;
1934 attr = eeprom->offset & 0xffff;
1935
1936 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1937 eeprom->len);
1938}
1939
Michael Chan72b34f02016-04-05 14:08:59 -04001940static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1941{
1942 struct bnxt *bp = netdev_priv(dev);
1943 struct ethtool_eee *eee = &bp->eee;
1944 struct bnxt_link_info *link_info = &bp->link_info;
1945 u32 advertising =
1946 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1947 int rc = 0;
1948
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001949 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001950 return -EOPNOTSUPP;
Michael Chan72b34f02016-04-05 14:08:59 -04001951
1952 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1953 return -EOPNOTSUPP;
1954
1955 if (!edata->eee_enabled)
1956 goto eee_ok;
1957
1958 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1959 netdev_warn(dev, "EEE requires autoneg\n");
1960 return -EINVAL;
1961 }
1962 if (edata->tx_lpi_enabled) {
1963 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1964 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1965 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1966 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1967 return -EINVAL;
1968 } else if (!bp->lpi_tmr_hi) {
1969 edata->tx_lpi_timer = eee->tx_lpi_timer;
1970 }
1971 }
1972 if (!edata->advertised) {
1973 edata->advertised = advertising & eee->supported;
1974 } else if (edata->advertised & ~advertising) {
1975 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1976 edata->advertised, advertising);
1977 return -EINVAL;
1978 }
1979
1980 eee->advertised = edata->advertised;
1981 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1982 eee->tx_lpi_timer = edata->tx_lpi_timer;
1983eee_ok:
1984 eee->eee_enabled = edata->eee_enabled;
1985
1986 if (netif_running(dev))
1987 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1988
1989 return rc;
1990}
1991
1992static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1993{
1994 struct bnxt *bp = netdev_priv(dev);
1995
1996 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1997 return -EOPNOTSUPP;
1998
1999 *edata = bp->eee;
2000 if (!bp->eee.eee_enabled) {
2001 /* Preserve tx_lpi_timer so that the last value will be used
2002 * by default when it is re-enabled.
2003 */
2004 edata->advertised = 0;
2005 edata->tx_lpi_enabled = 0;
2006 }
2007
2008 if (!bp->eee.eee_active)
2009 edata->lp_advertised = 0;
2010
2011 return 0;
2012}
2013
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002014static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2015 u16 page_number, u16 start_addr,
2016 u16 data_length, u8 *buf)
2017{
2018 struct hwrm_port_phy_i2c_read_input req = {0};
2019 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2020 int rc, byte_offset = 0;
2021
2022 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2023 req.i2c_slave_addr = i2c_addr;
2024 req.page_number = cpu_to_le16(page_number);
2025 req.port_id = cpu_to_le16(bp->pf.port_id);
2026 do {
2027 u16 xfer_size;
2028
2029 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2030 data_length -= xfer_size;
2031 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2032 req.data_length = xfer_size;
2033 req.enables = cpu_to_le32(start_addr + byte_offset ?
2034 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2035 mutex_lock(&bp->hwrm_cmd_lock);
2036 rc = _hwrm_send_message(bp, &req, sizeof(req),
2037 HWRM_CMD_TIMEOUT);
2038 if (!rc)
2039 memcpy(buf + byte_offset, output->data, xfer_size);
2040 mutex_unlock(&bp->hwrm_cmd_lock);
2041 byte_offset += xfer_size;
2042 } while (!rc && data_length > 0);
2043
2044 return rc;
2045}
2046
2047static int bnxt_get_module_info(struct net_device *dev,
2048 struct ethtool_modinfo *modinfo)
2049{
2050 struct bnxt *bp = netdev_priv(dev);
2051 struct hwrm_port_phy_i2c_read_input req = {0};
2052 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2053 int rc;
2054
2055 /* No point in going further if phy status indicates
2056 * module is not inserted or if it is powered down or
2057 * if it is of type 10GBase-T
2058 */
2059 if (bp->link_info.module_status >
2060 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2061 return -EOPNOTSUPP;
2062
2063 /* This feature is not supported in older firmware versions */
2064 if (bp->hwrm_spec_code < 0x10202)
2065 return -EOPNOTSUPP;
2066
2067 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2068 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2069 req.page_number = 0;
2070 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2071 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2072 req.port_id = cpu_to_le16(bp->pf.port_id);
2073 mutex_lock(&bp->hwrm_cmd_lock);
2074 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2075 if (!rc) {
2076 u32 module_id = le32_to_cpu(output->data[0]);
2077
2078 switch (module_id) {
2079 case SFF_MODULE_ID_SFP:
2080 modinfo->type = ETH_MODULE_SFF_8472;
2081 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2082 break;
2083 case SFF_MODULE_ID_QSFP:
2084 case SFF_MODULE_ID_QSFP_PLUS:
2085 modinfo->type = ETH_MODULE_SFF_8436;
2086 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2087 break;
2088 case SFF_MODULE_ID_QSFP28:
2089 modinfo->type = ETH_MODULE_SFF_8636;
2090 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2091 break;
2092 default:
2093 rc = -EOPNOTSUPP;
2094 break;
2095 }
2096 }
2097 mutex_unlock(&bp->hwrm_cmd_lock);
2098 return rc;
2099}
2100
2101static int bnxt_get_module_eeprom(struct net_device *dev,
2102 struct ethtool_eeprom *eeprom,
2103 u8 *data)
2104{
2105 struct bnxt *bp = netdev_priv(dev);
2106 u16 start = eeprom->offset, length = eeprom->len;
Colin Ian Kingf3ea3112016-07-08 16:42:48 +01002107 int rc = 0;
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002108
2109 memset(data, 0, eeprom->len);
2110
2111 /* Read A0 portion of the EEPROM */
2112 if (start < ETH_MODULE_SFF_8436_LEN) {
2113 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2114 length = ETH_MODULE_SFF_8436_LEN - start;
2115 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2116 start, length, data);
2117 if (rc)
2118 return rc;
2119 start += length;
2120 data += length;
2121 length = eeprom->len - length;
2122 }
2123
2124 /* Read A2 portion of the EEPROM */
2125 if (length) {
2126 start -= ETH_MODULE_SFF_8436_LEN;
2127 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2128 length, data);
2129 }
2130 return rc;
2131}
2132
Deepak Khungarae8e98a2016-09-19 03:58:08 -04002133static int bnxt_nway_reset(struct net_device *dev)
2134{
2135 int rc = 0;
2136
2137 struct bnxt *bp = netdev_priv(dev);
2138 struct bnxt_link_info *link_info = &bp->link_info;
2139
2140 if (!BNXT_SINGLE_PF(bp))
2141 return -EOPNOTSUPP;
2142
2143 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2144 return -EINVAL;
2145
2146 if (netif_running(dev))
2147 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2148
2149 return rc;
2150}
2151
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002152static int bnxt_set_phys_id(struct net_device *dev,
2153 enum ethtool_phys_id_state state)
2154{
2155 struct hwrm_port_led_cfg_input req = {0};
2156 struct bnxt *bp = netdev_priv(dev);
2157 struct bnxt_pf_info *pf = &bp->pf;
2158 struct bnxt_led_cfg *led_cfg;
2159 u8 led_state;
2160 __le16 duration;
2161 int i, rc;
2162
2163 if (!bp->num_leds || BNXT_VF(bp))
2164 return -EOPNOTSUPP;
2165
2166 if (state == ETHTOOL_ID_ACTIVE) {
2167 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2168 duration = cpu_to_le16(500);
2169 } else if (state == ETHTOOL_ID_INACTIVE) {
2170 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2171 duration = cpu_to_le16(0);
2172 } else {
2173 return -EINVAL;
2174 }
2175 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2176 req.port_id = cpu_to_le16(pf->port_id);
2177 req.num_leds = bp->num_leds;
2178 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2179 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2180 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2181 led_cfg->led_id = bp->leds[i].led_id;
2182 led_cfg->led_state = led_state;
2183 led_cfg->led_blink_on = duration;
2184 led_cfg->led_blink_off = duration;
2185 led_cfg->led_group_id = bp->leds[i].led_group_id;
2186 }
2187 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2188 if (rc)
2189 rc = -EIO;
2190 return rc;
2191}
2192
Michael Chan67fea462017-04-04 18:14:15 -04002193static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2194{
2195 struct hwrm_selftest_irq_input req = {0};
2196
2197 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2198 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2199}
2200
2201static int bnxt_test_irq(struct bnxt *bp)
2202{
2203 int i;
2204
2205 for (i = 0; i < bp->cp_nr_rings; i++) {
2206 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2207 int rc;
2208
2209 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2210 if (rc)
2211 return rc;
2212 }
2213 return 0;
2214}
2215
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002216static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2217{
2218 struct hwrm_port_mac_cfg_input req = {0};
2219
2220 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2221
2222 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2223 if (enable)
2224 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2225 else
2226 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2227 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2228}
2229
Michael Chan91725d82017-04-04 18:14:14 -04002230static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2231 struct hwrm_port_phy_cfg_input *req)
2232{
2233 struct bnxt_link_info *link_info = &bp->link_info;
2234 u16 fw_advertising = link_info->advertising;
2235 u16 fw_speed;
2236 int rc;
2237
2238 if (!link_info->autoneg)
2239 return 0;
2240
2241 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2242 if (netif_carrier_ok(bp->dev))
2243 fw_speed = bp->link_info.link_speed;
2244 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2245 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2246 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2247 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2248 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2249 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2250 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2251 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2252
2253 req->force_link_speed = cpu_to_le16(fw_speed);
2254 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2255 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2256 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2257 req->flags = 0;
2258 req->force_link_speed = cpu_to_le16(0);
2259 return rc;
2260}
2261
2262static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2263{
2264 struct hwrm_port_phy_cfg_input req = {0};
2265
2266 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2267
2268 if (enable) {
2269 bnxt_disable_an_for_lpbk(bp, &req);
2270 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2271 } else {
2272 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2273 }
2274 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2275 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2276}
2277
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002278static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2279 u32 raw_cons, int pkt_size)
2280{
2281 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2282 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2283 struct bnxt_sw_rx_bd *rx_buf;
2284 struct rx_cmp *rxcmp;
2285 u16 cp_cons, cons;
2286 u8 *data;
2287 u32 len;
2288 int i;
2289
2290 cp_cons = RING_CMP(raw_cons);
2291 rxcmp = (struct rx_cmp *)
2292 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2293 cons = rxcmp->rx_cmp_opaque;
2294 rx_buf = &rxr->rx_buf_ring[cons];
2295 data = rx_buf->data_ptr;
2296 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2297 if (len != pkt_size)
2298 return -EIO;
2299 i = ETH_ALEN;
2300 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2301 return -EIO;
2302 i += ETH_ALEN;
2303 for ( ; i < pkt_size; i++) {
2304 if (data[i] != (u8)(i & 0xff))
2305 return -EIO;
2306 }
2307 return 0;
2308}
2309
2310static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2311{
2312 struct bnxt_napi *bnapi = bp->bnapi[0];
2313 struct bnxt_cp_ring_info *cpr;
2314 struct tx_cmp *txcmp;
2315 int rc = -EIO;
2316 u32 raw_cons;
2317 u32 cons;
2318 int i;
2319
2320 cpr = &bnapi->cp_ring;
2321 raw_cons = cpr->cp_raw_cons;
2322 for (i = 0; i < 200; i++) {
2323 cons = RING_CMP(raw_cons);
2324 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2325
2326 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2327 udelay(5);
2328 continue;
2329 }
2330
2331 /* The valid test of the entry must be done first before
2332 * reading any further.
2333 */
2334 dma_rmb();
2335 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2336 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2337 raw_cons = NEXT_RAW_CMP(raw_cons);
2338 raw_cons = NEXT_RAW_CMP(raw_cons);
2339 break;
2340 }
2341 raw_cons = NEXT_RAW_CMP(raw_cons);
2342 }
2343 cpr->cp_raw_cons = raw_cons;
2344 return rc;
2345}
2346
2347static int bnxt_run_loopback(struct bnxt *bp)
2348{
2349 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2350 int pkt_size, i = 0;
2351 struct sk_buff *skb;
2352 dma_addr_t map;
2353 u8 *data;
2354 int rc;
2355
2356 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2357 skb = netdev_alloc_skb(bp->dev, pkt_size);
2358 if (!skb)
2359 return -ENOMEM;
2360 data = skb_put(skb, pkt_size);
2361 eth_broadcast_addr(data);
2362 i += ETH_ALEN;
2363 ether_addr_copy(&data[i], bp->dev->dev_addr);
2364 i += ETH_ALEN;
2365 for ( ; i < pkt_size; i++)
2366 data[i] = (u8)(i & 0xff);
2367
2368 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2369 PCI_DMA_TODEVICE);
2370 if (dma_mapping_error(&bp->pdev->dev, map)) {
2371 dev_kfree_skb(skb);
2372 return -EIO;
2373 }
2374 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2375
2376 /* Sync BD data before updating doorbell */
2377 wmb();
2378
Michael Chan434c9752017-05-29 19:06:08 -04002379 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002380 rc = bnxt_poll_loopback(bp, pkt_size);
2381
2382 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2383 dev_kfree_skb(skb);
2384 return rc;
2385}
2386
Michael Chaneb513652017-04-04 18:14:12 -04002387static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2388{
2389 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2390 struct hwrm_selftest_exec_input req = {0};
2391 int rc;
2392
2393 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2394 mutex_lock(&bp->hwrm_cmd_lock);
2395 resp->test_success = 0;
2396 req.flags = test_mask;
2397 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2398 *test_results = resp->test_success;
2399 mutex_unlock(&bp->hwrm_cmd_lock);
2400 return rc;
2401}
2402
Michael Chan67fea462017-04-04 18:14:15 -04002403#define BNXT_DRV_TESTS 3
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002404#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
Michael Chan91725d82017-04-04 18:14:14 -04002405#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
Michael Chan67fea462017-04-04 18:14:15 -04002406#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
Michael Chaneb513652017-04-04 18:14:12 -04002407
2408static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2409 u64 *buf)
2410{
2411 struct bnxt *bp = netdev_priv(dev);
2412 bool offline = false;
2413 u8 test_results = 0;
2414 u8 test_mask = 0;
2415 int rc, i;
2416
2417 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2418 return;
2419 memset(buf, 0, sizeof(u64) * bp->num_tests);
2420 if (!netif_running(dev)) {
2421 etest->flags |= ETH_TEST_FL_FAILED;
2422 return;
2423 }
2424
2425 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2426 if (bp->pf.active_vfs) {
2427 etest->flags |= ETH_TEST_FL_FAILED;
2428 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2429 return;
2430 }
2431 offline = true;
2432 }
2433
2434 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2435 u8 bit_val = 1 << i;
2436
2437 if (!(bp->test_info->offline_mask & bit_val))
2438 test_mask |= bit_val;
2439 else if (offline)
2440 test_mask |= bit_val;
2441 }
2442 if (!offline) {
2443 bnxt_run_fw_tests(bp, test_mask, &test_results);
2444 } else {
2445 rc = bnxt_close_nic(bp, false, false);
2446 if (rc)
2447 return;
2448 bnxt_run_fw_tests(bp, test_mask, &test_results);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002449
2450 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2451 bnxt_hwrm_mac_loopback(bp, true);
2452 msleep(250);
2453 rc = bnxt_half_open_nic(bp);
2454 if (rc) {
2455 bnxt_hwrm_mac_loopback(bp, false);
2456 etest->flags |= ETH_TEST_FL_FAILED;
2457 return;
2458 }
2459 if (bnxt_run_loopback(bp))
2460 etest->flags |= ETH_TEST_FL_FAILED;
2461 else
2462 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2463
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002464 bnxt_hwrm_mac_loopback(bp, false);
Michael Chan91725d82017-04-04 18:14:14 -04002465 bnxt_hwrm_phy_loopback(bp, true);
2466 msleep(1000);
2467 if (bnxt_run_loopback(bp)) {
2468 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2469 etest->flags |= ETH_TEST_FL_FAILED;
2470 }
2471 bnxt_hwrm_phy_loopback(bp, false);
2472 bnxt_half_close_nic(bp);
Michael Chaneb513652017-04-04 18:14:12 -04002473 bnxt_open_nic(bp, false, true);
2474 }
Michael Chan67fea462017-04-04 18:14:15 -04002475 if (bnxt_test_irq(bp)) {
2476 buf[BNXT_IRQ_TEST_IDX] = 1;
2477 etest->flags |= ETH_TEST_FL_FAILED;
2478 }
Michael Chaneb513652017-04-04 18:14:12 -04002479 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2480 u8 bit_val = 1 << i;
2481
2482 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2483 buf[i] = 1;
2484 etest->flags |= ETH_TEST_FL_FAILED;
2485 }
2486 }
2487}
2488
2489void bnxt_ethtool_init(struct bnxt *bp)
2490{
2491 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2492 struct hwrm_selftest_qlist_input req = {0};
2493 struct bnxt_test_info *test_info;
2494 int i, rc;
2495
2496 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2497 return;
2498
2499 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2500 mutex_lock(&bp->hwrm_cmd_lock);
2501 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2502 if (rc)
2503 goto ethtool_init_exit;
2504
2505 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2506 if (!test_info)
2507 goto ethtool_init_exit;
2508
2509 bp->test_info = test_info;
2510 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2511 if (bp->num_tests > BNXT_MAX_TEST)
2512 bp->num_tests = BNXT_MAX_TEST;
2513
2514 test_info->offline_mask = resp->offline_tests;
2515 test_info->timeout = le16_to_cpu(resp->test_timeout);
2516 if (!test_info->timeout)
2517 test_info->timeout = HWRM_CMD_TIMEOUT;
2518 for (i = 0; i < bp->num_tests; i++) {
2519 char *str = test_info->string[i];
2520 char *fw_str = resp->test0_name + i * 32;
2521
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002522 if (i == BNXT_MACLPBK_TEST_IDX) {
2523 strcpy(str, "Mac loopback test (offline)");
Michael Chan91725d82017-04-04 18:14:14 -04002524 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2525 strcpy(str, "Phy loopback test (offline)");
Michael Chan67fea462017-04-04 18:14:15 -04002526 } else if (i == BNXT_IRQ_TEST_IDX) {
2527 strcpy(str, "Interrupt_test (offline)");
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002528 } else {
2529 strlcpy(str, fw_str, ETH_GSTRING_LEN);
2530 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2531 if (test_info->offline_mask & (1 << i))
2532 strncat(str, " (offline)",
2533 ETH_GSTRING_LEN - strlen(str));
2534 else
2535 strncat(str, " (online)",
2536 ETH_GSTRING_LEN - strlen(str));
2537 }
Michael Chaneb513652017-04-04 18:14:12 -04002538 }
2539
2540ethtool_init_exit:
2541 mutex_unlock(&bp->hwrm_cmd_lock);
2542}
2543
2544void bnxt_ethtool_free(struct bnxt *bp)
2545{
2546 kfree(bp->test_info);
2547 bp->test_info = NULL;
2548}
2549
Michael Chanc0c050c2015-10-22 16:01:17 -04002550const struct ethtool_ops bnxt_ethtool_ops = {
Michael Chan00c04a92016-06-13 02:25:38 -04002551 .get_link_ksettings = bnxt_get_link_ksettings,
2552 .set_link_ksettings = bnxt_set_link_ksettings,
Michael Chanc0c050c2015-10-22 16:01:17 -04002553 .get_pauseparam = bnxt_get_pauseparam,
2554 .set_pauseparam = bnxt_set_pauseparam,
2555 .get_drvinfo = bnxt_get_drvinfo,
Michael Chan8e202362017-04-04 18:14:09 -04002556 .get_wol = bnxt_get_wol,
Michael Chan5282db62017-04-04 18:14:10 -04002557 .set_wol = bnxt_set_wol,
Michael Chanc0c050c2015-10-22 16:01:17 -04002558 .get_coalesce = bnxt_get_coalesce,
2559 .set_coalesce = bnxt_set_coalesce,
2560 .get_msglevel = bnxt_get_msglevel,
2561 .set_msglevel = bnxt_set_msglevel,
2562 .get_sset_count = bnxt_get_sset_count,
2563 .get_strings = bnxt_get_strings,
2564 .get_ethtool_stats = bnxt_get_ethtool_stats,
2565 .set_ringparam = bnxt_set_ringparam,
2566 .get_ringparam = bnxt_get_ringparam,
2567 .get_channels = bnxt_get_channels,
2568 .set_channels = bnxt_set_channels,
Michael Chanc0c050c2015-10-22 16:01:17 -04002569 .get_rxnfc = bnxt_get_rxnfc,
Michael Chana0119522016-11-16 21:13:10 -05002570 .set_rxnfc = bnxt_set_rxnfc,
Michael Chanc0c050c2015-10-22 16:01:17 -04002571 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2572 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2573 .get_rxfh = bnxt_get_rxfh,
2574 .flash_device = bnxt_flash_device,
2575 .get_eeprom_len = bnxt_get_eeprom_len,
2576 .get_eeprom = bnxt_get_eeprom,
2577 .set_eeprom = bnxt_set_eeprom,
2578 .get_link = bnxt_get_link,
Michael Chan72b34f02016-04-05 14:08:59 -04002579 .get_eee = bnxt_get_eee,
2580 .set_eee = bnxt_set_eee,
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002581 .get_module_info = bnxt_get_module_info,
2582 .get_module_eeprom = bnxt_get_module_eeprom,
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002583 .nway_reset = bnxt_nway_reset,
2584 .set_phys_id = bnxt_set_phys_id,
Michael Chaneb513652017-04-04 18:14:12 -04002585 .self_test = bnxt_self_test,
Michael Chanc0c050c2015-10-22 16:01:17 -04002586};