blob: 8eff05a3e0e4b748c3a0d35661ce7b1901ddef61 [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
Michael Chanadcc3312017-07-24 12:34:24 -040089 /* Allow 0, which means disable. */
90 if (stats_ticks)
91 stats_ticks = clamp_t(u32, stats_ticks,
92 BNXT_MIN_STATS_COAL_TICKS,
93 BNXT_MAX_STATS_COAL_TICKS);
Michael Chan51f30782016-07-01 18:46:29 -040094 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
95 bp->stats_coal_ticks = stats_ticks;
96 update_stats = true;
97 }
98
99 if (netif_running(dev)) {
100 if (update_stats) {
101 rc = bnxt_close_nic(bp, true, false);
102 if (!rc)
103 rc = bnxt_open_nic(bp, true, false);
104 } else {
105 rc = bnxt_hwrm_set_coal(bp);
106 }
107 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400108
109 return rc;
110}
111
112#define BNXT_NUM_STATS 21
113
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500114#define BNXT_RX_STATS_ENTRY(counter) \
115 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
116
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500117#define BNXT_TX_STATS_ENTRY(counter) \
118 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
119
120static const struct {
121 long offset;
122 char string[ETH_GSTRING_LEN];
123} bnxt_port_stats_arr[] = {
124 BNXT_RX_STATS_ENTRY(rx_64b_frames),
125 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
126 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
127 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
128 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
129 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
130 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
131 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
132 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
133 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
134 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
135 BNXT_RX_STATS_ENTRY(rx_total_frames),
136 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
137 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
138 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
139 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
140 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
141 BNXT_RX_STATS_ENTRY(rx_pause_frames),
142 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
143 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
144 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
145 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
146 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
147 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
148 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
149 BNXT_RX_STATS_ENTRY(rx_good_frames),
Michael Chanc77192f2016-12-02 21:17:18 -0500150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
154 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
155 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
156 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
157 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500158 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
159 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
160 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
161 BNXT_RX_STATS_ENTRY(rx_bytes),
162 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
163 BNXT_RX_STATS_ENTRY(rx_runt_frames),
164
165 BNXT_TX_STATS_ENTRY(tx_64b_frames),
166 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
167 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
168 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
169 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
170 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
171 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
172 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
173 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
174 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
175 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
176 BNXT_TX_STATS_ENTRY(tx_good_frames),
177 BNXT_TX_STATS_ENTRY(tx_total_frames),
178 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
179 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
180 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
181 BNXT_TX_STATS_ENTRY(tx_pause_frames),
182 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
183 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
184 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
185 BNXT_TX_STATS_ENTRY(tx_err),
186 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
Michael Chanc77192f2016-12-02 21:17:18 -0500187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
191 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
192 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
193 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
194 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500195 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
196 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
197 BNXT_TX_STATS_ENTRY(tx_total_collisions),
198 BNXT_TX_STATS_ENTRY(tx_bytes),
199};
200
201#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
202
Michael Chan5c8227d2017-07-24 12:34:23 -0400203static int bnxt_get_num_stats(struct bnxt *bp)
204{
205 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
206
207 if (bp->flags & BNXT_FLAG_PORT_STATS)
208 num_stats += BNXT_NUM_PORT_STATS;
209
210 return num_stats;
211}
212
Michael Chanc0c050c2015-10-22 16:01:17 -0400213static int bnxt_get_sset_count(struct net_device *dev, int sset)
214{
215 struct bnxt *bp = netdev_priv(dev);
216
217 switch (sset) {
Michael Chan5c8227d2017-07-24 12:34:23 -0400218 case ETH_SS_STATS:
219 return bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400220 case ETH_SS_TEST:
221 if (!bp->num_tests)
222 return -EOPNOTSUPP;
223 return bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400224 default:
225 return -EOPNOTSUPP;
226 }
227}
228
229static void bnxt_get_ethtool_stats(struct net_device *dev,
230 struct ethtool_stats *stats, u64 *buf)
231{
232 u32 i, j = 0;
233 struct bnxt *bp = netdev_priv(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400234 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
235
Michael Chanc0c050c2015-10-22 16:01:17 -0400236 if (!bp->bnapi)
237 return;
238
239 for (i = 0; i < bp->cp_nr_rings; i++) {
240 struct bnxt_napi *bnapi = bp->bnapi[i];
241 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
242 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
243 int k;
244
245 for (k = 0; k < stat_fields; j++, k++)
246 buf[j] = le64_to_cpu(hw_stats[k]);
247 buf[j++] = cpr->rx_l4_csum_errors;
248 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500249 if (bp->flags & BNXT_FLAG_PORT_STATS) {
250 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
251
252 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
253 buf[j] = le64_to_cpu(*(port_stats +
254 bnxt_port_stats_arr[i].offset));
255 }
256 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400257}
258
259static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
260{
261 struct bnxt *bp = netdev_priv(dev);
262 u32 i;
263
264 switch (stringset) {
265 /* The number of strings must match BNXT_NUM_STATS defined above. */
266 case ETH_SS_STATS:
267 for (i = 0; i < bp->cp_nr_rings; i++) {
268 sprintf(buf, "[%d]: rx_ucast_packets", i);
269 buf += ETH_GSTRING_LEN;
270 sprintf(buf, "[%d]: rx_mcast_packets", i);
271 buf += ETH_GSTRING_LEN;
272 sprintf(buf, "[%d]: rx_bcast_packets", i);
273 buf += ETH_GSTRING_LEN;
274 sprintf(buf, "[%d]: rx_discards", i);
275 buf += ETH_GSTRING_LEN;
276 sprintf(buf, "[%d]: rx_drops", i);
277 buf += ETH_GSTRING_LEN;
278 sprintf(buf, "[%d]: rx_ucast_bytes", i);
279 buf += ETH_GSTRING_LEN;
280 sprintf(buf, "[%d]: rx_mcast_bytes", i);
281 buf += ETH_GSTRING_LEN;
282 sprintf(buf, "[%d]: rx_bcast_bytes", i);
283 buf += ETH_GSTRING_LEN;
284 sprintf(buf, "[%d]: tx_ucast_packets", i);
285 buf += ETH_GSTRING_LEN;
286 sprintf(buf, "[%d]: tx_mcast_packets", i);
287 buf += ETH_GSTRING_LEN;
288 sprintf(buf, "[%d]: tx_bcast_packets", i);
289 buf += ETH_GSTRING_LEN;
290 sprintf(buf, "[%d]: tx_discards", i);
291 buf += ETH_GSTRING_LEN;
292 sprintf(buf, "[%d]: tx_drops", i);
293 buf += ETH_GSTRING_LEN;
294 sprintf(buf, "[%d]: tx_ucast_bytes", i);
295 buf += ETH_GSTRING_LEN;
296 sprintf(buf, "[%d]: tx_mcast_bytes", i);
297 buf += ETH_GSTRING_LEN;
298 sprintf(buf, "[%d]: tx_bcast_bytes", i);
299 buf += ETH_GSTRING_LEN;
300 sprintf(buf, "[%d]: tpa_packets", i);
301 buf += ETH_GSTRING_LEN;
302 sprintf(buf, "[%d]: tpa_bytes", i);
303 buf += ETH_GSTRING_LEN;
304 sprintf(buf, "[%d]: tpa_events", i);
305 buf += ETH_GSTRING_LEN;
306 sprintf(buf, "[%d]: tpa_aborts", i);
307 buf += ETH_GSTRING_LEN;
308 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
309 buf += ETH_GSTRING_LEN;
310 }
Michael Chan8ddc9aa2016-03-07 15:38:47 -0500311 if (bp->flags & BNXT_FLAG_PORT_STATS) {
312 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
313 strcpy(buf, bnxt_port_stats_arr[i].string);
314 buf += ETH_GSTRING_LEN;
315 }
316 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400317 break;
Michael Chaneb513652017-04-04 18:14:12 -0400318 case ETH_SS_TEST:
319 if (bp->num_tests)
320 memcpy(buf, bp->test_info->string,
321 bp->num_tests * ETH_GSTRING_LEN);
322 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400323 default:
324 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
325 stringset);
326 break;
327 }
328}
329
330static void bnxt_get_ringparam(struct net_device *dev,
331 struct ethtool_ringparam *ering)
332{
333 struct bnxt *bp = netdev_priv(dev);
334
335 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
336 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
337 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
338
339 ering->rx_pending = bp->rx_ring_size;
340 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
341 ering->tx_pending = bp->tx_ring_size;
342}
343
344static int bnxt_set_ringparam(struct net_device *dev,
345 struct ethtool_ringparam *ering)
346{
347 struct bnxt *bp = netdev_priv(dev);
348
349 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
350 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
351 (ering->tx_pending <= MAX_SKB_FRAGS))
352 return -EINVAL;
353
354 if (netif_running(dev))
355 bnxt_close_nic(bp, false, false);
356
357 bp->rx_ring_size = ering->rx_pending;
358 bp->tx_ring_size = ering->tx_pending;
359 bnxt_set_ring_params(bp);
360
361 if (netif_running(dev))
362 return bnxt_open_nic(bp, false, false);
363
364 return 0;
365}
366
367static void bnxt_get_channels(struct net_device *dev,
368 struct ethtool_channels *channel)
369{
370 struct bnxt *bp = netdev_priv(dev);
371 int max_rx_rings, max_tx_rings, tcs;
372
Michael Chan6e6c5a52016-01-02 23:45:02 -0500373 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
Michael Chana79a5272017-02-12 19:18:12 -0500374 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
Michael Chan068c9ec2016-01-02 23:45:04 -0500375
Satish Baddipadige18d6e4e2016-05-15 03:04:43 -0400376 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
377 max_rx_rings = 0;
378 max_tx_rings = 0;
379 }
380
Michael Chanc0c050c2015-10-22 16:01:17 -0400381 tcs = netdev_get_num_tc(dev);
382 if (tcs > 1)
383 max_tx_rings /= tcs;
384
385 channel->max_rx = max_rx_rings;
386 channel->max_tx = max_tx_rings;
387 channel->max_other = 0;
Michael Chan068c9ec2016-01-02 23:45:04 -0500388 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
389 channel->combined_count = bp->rx_nr_rings;
Prashant Sreedharan76595192016-07-18 07:15:22 -0400390 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
391 channel->combined_count--;
Michael Chan068c9ec2016-01-02 23:45:04 -0500392 } else {
Prashant Sreedharan76595192016-07-18 07:15:22 -0400393 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
394 channel->rx_count = bp->rx_nr_rings;
395 channel->tx_count = bp->tx_nr_rings_per_tc;
396 }
Michael Chan068c9ec2016-01-02 23:45:04 -0500397 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400398}
399
400static int bnxt_set_channels(struct net_device *dev,
401 struct ethtool_channels *channel)
402{
403 struct bnxt *bp = netdev_priv(dev);
Michael Chand1e79252017-02-06 16:55:38 -0500404 int req_tx_rings, req_rx_rings, tcs;
Michael Chan068c9ec2016-01-02 23:45:04 -0500405 bool sh = false;
Michael Chan5f449242017-02-06 16:55:40 -0500406 int tx_xdp = 0;
Michael Chand1e79252017-02-06 16:55:38 -0500407 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -0400408
Michael Chan068c9ec2016-01-02 23:45:04 -0500409 if (channel->other_count)
Michael Chanc0c050c2015-10-22 16:01:17 -0400410 return -EINVAL;
411
Michael Chan068c9ec2016-01-02 23:45:04 -0500412 if (!channel->combined_count &&
413 (!channel->rx_count || !channel->tx_count))
414 return -EINVAL;
415
416 if (channel->combined_count &&
417 (channel->rx_count || channel->tx_count))
418 return -EINVAL;
419
Prashant Sreedharan76595192016-07-18 07:15:22 -0400420 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
421 channel->tx_count))
422 return -EINVAL;
423
Michael Chan068c9ec2016-01-02 23:45:04 -0500424 if (channel->combined_count)
425 sh = true;
426
Michael Chanc0c050c2015-10-22 16:01:17 -0400427 tcs = netdev_get_num_tc(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400428
Michael Chan391be5c2016-12-29 12:13:41 -0500429 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
Michael Chand1e79252017-02-06 16:55:38 -0500430 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
Michael Chan5f449242017-02-06 16:55:40 -0500431 if (bp->tx_nr_rings_xdp) {
432 if (!sh) {
433 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
434 return -EINVAL;
435 }
436 tx_xdp = req_rx_rings;
437 }
Michael Chan98fdbe72017-08-28 13:40:26 -0400438 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
Michael Chand1e79252017-02-06 16:55:38 -0500439 if (rc) {
440 netdev_warn(dev, "Unable to allocate the requested rings\n");
441 return rc;
Michael Chan391be5c2016-12-29 12:13:41 -0500442 }
443
Michael Chanc0c050c2015-10-22 16:01:17 -0400444 if (netif_running(dev)) {
445 if (BNXT_PF(bp)) {
446 /* TODO CHIMP_FW: Send message to all VF's
447 * before PF unload
448 */
449 }
450 rc = bnxt_close_nic(bp, true, false);
451 if (rc) {
452 netdev_err(bp->dev, "Set channel failure rc :%x\n",
453 rc);
454 return rc;
455 }
456 }
457
Michael Chan068c9ec2016-01-02 23:45:04 -0500458 if (sh) {
459 bp->flags |= BNXT_FLAG_SHARED_RINGS;
Michael Chand1e79252017-02-06 16:55:38 -0500460 bp->rx_nr_rings = channel->combined_count;
461 bp->tx_nr_rings_per_tc = channel->combined_count;
Michael Chan068c9ec2016-01-02 23:45:04 -0500462 } else {
463 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
464 bp->rx_nr_rings = channel->rx_count;
465 bp->tx_nr_rings_per_tc = channel->tx_count;
466 }
Michael Chan5f449242017-02-06 16:55:40 -0500467 bp->tx_nr_rings_xdp = tx_xdp;
468 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
Michael Chanc0c050c2015-10-22 16:01:17 -0400469 if (tcs > 1)
Michael Chan5f449242017-02-06 16:55:40 -0500470 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
Michael Chan068c9ec2016-01-02 23:45:04 -0500471
472 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
473 bp->tx_nr_rings + bp->rx_nr_rings;
474
Michael Chanc0c050c2015-10-22 16:01:17 -0400475 bp->num_stat_ctxs = bp->cp_nr_rings;
476
Michael Chan2bcfa6f2015-12-27 18:19:24 -0500477 /* After changing number of rx channels, update NTUPLE feature. */
478 netdev_update_features(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400479 if (netif_running(dev)) {
480 rc = bnxt_open_nic(bp, true, false);
481 if ((!rc) && BNXT_PF(bp)) {
482 /* TODO CHIMP_FW: Send message to all VF's
483 * to renable
484 */
485 }
486 }
487
488 return rc;
489}
490
491#ifdef CONFIG_RFS_ACCEL
492static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
493 u32 *rule_locs)
494{
495 int i, j = 0;
496
497 cmd->data = bp->ntp_fltr_count;
498 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
499 struct hlist_head *head;
500 struct bnxt_ntuple_filter *fltr;
501
502 head = &bp->ntp_fltr_hash_tbl[i];
503 rcu_read_lock();
504 hlist_for_each_entry_rcu(fltr, head, hash) {
505 if (j == cmd->rule_cnt)
506 break;
507 rule_locs[j++] = fltr->sw_id;
508 }
509 rcu_read_unlock();
510 if (j == cmd->rule_cnt)
511 break;
512 }
513 cmd->rule_cnt = j;
514 return 0;
515}
516
517static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
518{
519 struct ethtool_rx_flow_spec *fs =
520 (struct ethtool_rx_flow_spec *)&cmd->fs;
521 struct bnxt_ntuple_filter *fltr;
522 struct flow_keys *fkeys;
523 int i, rc = -EINVAL;
524
stephen hemmingerb721cfa2017-07-24 10:25:18 -0700525 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
Michael Chanc0c050c2015-10-22 16:01:17 -0400526 return rc;
527
528 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
529 struct hlist_head *head;
530
531 head = &bp->ntp_fltr_hash_tbl[i];
532 rcu_read_lock();
533 hlist_for_each_entry_rcu(fltr, head, hash) {
534 if (fltr->sw_id == fs->location)
535 goto fltr_found;
536 }
537 rcu_read_unlock();
538 }
539 return rc;
540
541fltr_found:
542 fkeys = &fltr->fkeys;
Michael Chandda0e742016-12-29 12:13:40 -0500543 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
544 if (fkeys->basic.ip_proto == IPPROTO_TCP)
545 fs->flow_type = TCP_V4_FLOW;
546 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
547 fs->flow_type = UDP_V4_FLOW;
548 else
549 goto fltr_err;
Michael Chanc0c050c2015-10-22 16:01:17 -0400550
Michael Chandda0e742016-12-29 12:13:40 -0500551 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
552 fs->m_u.tcp_ip4_spec.ip4src = 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.ip4dst = fkeys->addrs.v4addrs.dst;
555 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400556
Michael Chandda0e742016-12-29 12:13:40 -0500557 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
558 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400559
Michael Chandda0e742016-12-29 12:13:40 -0500560 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
561 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
562 } else {
563 int i;
564
565 if (fkeys->basic.ip_proto == IPPROTO_TCP)
566 fs->flow_type = TCP_V6_FLOW;
567 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
568 fs->flow_type = UDP_V6_FLOW;
569 else
570 goto fltr_err;
571
572 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
573 fkeys->addrs.v6addrs.src;
574 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
575 fkeys->addrs.v6addrs.dst;
576 for (i = 0; i < 4; i++) {
577 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
578 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
579 }
580 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
581 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
582
583 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
584 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
585 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400586
587 fs->ring_cookie = fltr->rxq;
588 rc = 0;
589
590fltr_err:
591 rcu_read_unlock();
592
593 return rc;
594}
Michael Chana0119522016-11-16 21:13:10 -0500595#endif
596
597static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
598{
599 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
600 return RXH_IP_SRC | RXH_IP_DST;
601 return 0;
602}
603
604static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
605{
606 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
607 return RXH_IP_SRC | RXH_IP_DST;
608 return 0;
609}
610
611static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
612{
613 cmd->data = 0;
614 switch (cmd->flow_type) {
615 case TCP_V4_FLOW:
616 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
617 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
618 RXH_L4_B_0_1 | RXH_L4_B_2_3;
619 cmd->data |= get_ethtool_ipv4_rss(bp);
620 break;
621 case UDP_V4_FLOW:
622 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
623 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
624 RXH_L4_B_0_1 | RXH_L4_B_2_3;
625 /* fall through */
626 case SCTP_V4_FLOW:
627 case AH_ESP_V4_FLOW:
628 case AH_V4_FLOW:
629 case ESP_V4_FLOW:
630 case IPV4_FLOW:
631 cmd->data |= get_ethtool_ipv4_rss(bp);
632 break;
633
634 case TCP_V6_FLOW:
635 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
636 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
637 RXH_L4_B_0_1 | RXH_L4_B_2_3;
638 cmd->data |= get_ethtool_ipv6_rss(bp);
639 break;
640 case UDP_V6_FLOW:
641 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
642 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
643 RXH_L4_B_0_1 | RXH_L4_B_2_3;
644 /* fall through */
645 case SCTP_V6_FLOW:
646 case AH_ESP_V6_FLOW:
647 case AH_V6_FLOW:
648 case ESP_V6_FLOW:
649 case IPV6_FLOW:
650 cmd->data |= get_ethtool_ipv6_rss(bp);
651 break;
652 }
653 return 0;
654}
655
656#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
657#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
658
659static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
660{
661 u32 rss_hash_cfg = bp->rss_hash_cfg;
662 int tuple, rc = 0;
663
664 if (cmd->data == RXH_4TUPLE)
665 tuple = 4;
666 else if (cmd->data == RXH_2TUPLE)
667 tuple = 2;
668 else if (!cmd->data)
669 tuple = 0;
670 else
671 return -EINVAL;
672
673 if (cmd->flow_type == TCP_V4_FLOW) {
674 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
675 if (tuple == 4)
676 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
677 } else if (cmd->flow_type == UDP_V4_FLOW) {
678 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
679 return -EINVAL;
680 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
681 if (tuple == 4)
682 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
683 } else if (cmd->flow_type == TCP_V6_FLOW) {
684 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
685 if (tuple == 4)
686 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
687 } else if (cmd->flow_type == UDP_V6_FLOW) {
688 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
689 return -EINVAL;
690 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
691 if (tuple == 4)
692 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
693 } else if (tuple == 4) {
694 return -EINVAL;
695 }
696
697 switch (cmd->flow_type) {
698 case TCP_V4_FLOW:
699 case UDP_V4_FLOW:
700 case SCTP_V4_FLOW:
701 case AH_ESP_V4_FLOW:
702 case AH_V4_FLOW:
703 case ESP_V4_FLOW:
704 case IPV4_FLOW:
705 if (tuple == 2)
706 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
707 else if (!tuple)
708 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
709 break;
710
711 case TCP_V6_FLOW:
712 case UDP_V6_FLOW:
713 case SCTP_V6_FLOW:
714 case AH_ESP_V6_FLOW:
715 case AH_V6_FLOW:
716 case ESP_V6_FLOW:
717 case IPV6_FLOW:
718 if (tuple == 2)
719 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
720 else if (!tuple)
721 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
722 break;
723 }
724
725 if (bp->rss_hash_cfg == rss_hash_cfg)
726 return 0;
727
728 bp->rss_hash_cfg = rss_hash_cfg;
729 if (netif_running(bp->dev)) {
730 bnxt_close_nic(bp, false, false);
731 rc = bnxt_open_nic(bp, false, false);
732 }
733 return rc;
734}
Michael Chanc0c050c2015-10-22 16:01:17 -0400735
736static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
737 u32 *rule_locs)
738{
739 struct bnxt *bp = netdev_priv(dev);
740 int rc = 0;
741
742 switch (cmd->cmd) {
Michael Chana0119522016-11-16 21:13:10 -0500743#ifdef CONFIG_RFS_ACCEL
Michael Chanc0c050c2015-10-22 16:01:17 -0400744 case ETHTOOL_GRXRINGS:
745 cmd->data = bp->rx_nr_rings;
746 break;
747
748 case ETHTOOL_GRXCLSRLCNT:
749 cmd->rule_cnt = bp->ntp_fltr_count;
750 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
751 break;
752
753 case ETHTOOL_GRXCLSRLALL:
754 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
755 break;
756
757 case ETHTOOL_GRXCLSRULE:
758 rc = bnxt_grxclsrule(bp, cmd);
759 break;
Michael Chana0119522016-11-16 21:13:10 -0500760#endif
761
762 case ETHTOOL_GRXFH:
763 rc = bnxt_grxfh(bp, cmd);
764 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400765
766 default:
767 rc = -EOPNOTSUPP;
768 break;
769 }
770
771 return rc;
772}
Michael Chana0119522016-11-16 21:13:10 -0500773
774static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
775{
776 struct bnxt *bp = netdev_priv(dev);
777 int rc;
778
779 switch (cmd->cmd) {
780 case ETHTOOL_SRXFH:
781 rc = bnxt_srxfh(bp, cmd);
782 break;
783
784 default:
785 rc = -EOPNOTSUPP;
786 break;
787 }
788 return rc;
789}
Michael Chanc0c050c2015-10-22 16:01:17 -0400790
791static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
792{
793 return HW_HASH_INDEX_SIZE;
794}
795
796static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
797{
798 return HW_HASH_KEY_SIZE;
799}
800
801static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
802 u8 *hfunc)
803{
804 struct bnxt *bp = netdev_priv(dev);
805 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
806 int i = 0;
807
808 if (hfunc)
809 *hfunc = ETH_RSS_HASH_TOP;
810
811 if (indir)
812 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
813 indir[i] = le16_to_cpu(vnic->rss_table[i]);
814
815 if (key)
816 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
817
818 return 0;
819}
820
821static void bnxt_get_drvinfo(struct net_device *dev,
822 struct ethtool_drvinfo *info)
823{
824 struct bnxt *bp = netdev_priv(dev);
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500825 char *pkglog;
826 char *pkgver = NULL;
Michael Chanc0c050c2015-10-22 16:01:17 -0400827
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500828 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
829 if (pkglog)
830 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
Michael Chanc0c050c2015-10-22 16:01:17 -0400831 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
832 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500833 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
834 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
835 "%s pkg %s", bp->fw_ver_str, pkgver);
836 else
837 strlcpy(info->fw_version, bp->fw_ver_str,
838 sizeof(info->fw_version));
Michael Chanc0c050c2015-10-22 16:01:17 -0400839 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
Michael Chan5c8227d2017-07-24 12:34:23 -0400840 info->n_stats = bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400841 info->testinfo_len = bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400842 /* TODO CHIMP_FW: eeprom dump details */
843 info->eedump_len = 0;
844 /* TODO CHIMP FW: reg dump details */
845 info->regdump_len = 0;
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500846 kfree(pkglog);
Michael Chanc0c050c2015-10-22 16:01:17 -0400847}
848
Michael Chan8e202362017-04-04 18:14:09 -0400849static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
850{
851 struct bnxt *bp = netdev_priv(dev);
852
853 wol->supported = 0;
854 wol->wolopts = 0;
855 memset(&wol->sopass, 0, sizeof(wol->sopass));
856 if (bp->flags & BNXT_FLAG_WOL_CAP) {
857 wol->supported = WAKE_MAGIC;
858 if (bp->wol)
859 wol->wolopts = WAKE_MAGIC;
860 }
861}
862
Michael Chan5282db62017-04-04 18:14:10 -0400863static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
864{
865 struct bnxt *bp = netdev_priv(dev);
866
867 if (wol->wolopts & ~WAKE_MAGIC)
868 return -EINVAL;
869
870 if (wol->wolopts & WAKE_MAGIC) {
871 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
872 return -EINVAL;
873 if (!bp->wol) {
874 if (bnxt_hwrm_alloc_wol_fltr(bp))
875 return -EBUSY;
876 bp->wol = 1;
877 }
878 } else {
879 if (bp->wol) {
880 if (bnxt_hwrm_free_wol_fltr(bp))
881 return -EBUSY;
882 bp->wol = 0;
883 }
884 }
885 return 0;
886}
887
Michael Chan170ce012016-04-05 14:08:57 -0400888u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
Michael Chanc0c050c2015-10-22 16:01:17 -0400889{
Michael Chanc0c050c2015-10-22 16:01:17 -0400890 u32 speed_mask = 0;
891
892 /* TODO: support 25GB, 40GB, 50GB with different cable type */
893 /* set the advertised speeds */
894 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
895 speed_mask |= ADVERTISED_100baseT_Full;
896 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
897 speed_mask |= ADVERTISED_1000baseT_Full;
898 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
899 speed_mask |= ADVERTISED_2500baseX_Full;
900 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
901 speed_mask |= ADVERTISED_10000baseT_Full;
Michael Chanc0c050c2015-10-22 16:01:17 -0400902 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
Michael Chan1c49c422016-02-10 17:33:48 -0500903 speed_mask |= ADVERTISED_40000baseCR4_Full;
Michael Chan27c4d572016-03-07 15:38:41 -0500904
905 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
906 speed_mask |= ADVERTISED_Pause;
907 else if (fw_pause & BNXT_LINK_PAUSE_TX)
908 speed_mask |= ADVERTISED_Asym_Pause;
909 else if (fw_pause & BNXT_LINK_PAUSE_RX)
910 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
911
Michael Chanc0c050c2015-10-22 16:01:17 -0400912 return speed_mask;
913}
914
Michael Chan00c04a92016-06-13 02:25:38 -0400915#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
916{ \
917 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
918 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
919 100baseT_Full); \
920 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
921 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
922 1000baseT_Full); \
923 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
924 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
925 10000baseT_Full); \
926 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
927 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
928 25000baseCR_Full); \
929 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
930 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
931 40000baseCR4_Full);\
932 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
934 50000baseCR2_Full);\
Deepak Khungar38a21b32017-04-21 20:11:24 -0400935 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
936 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
937 100000baseCR4_Full);\
Michael Chan00c04a92016-06-13 02:25:38 -0400938 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
939 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
940 Pause); \
941 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
942 ethtool_link_ksettings_add_link_mode( \
943 lk_ksettings, name, Asym_Pause);\
944 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
945 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
946 Asym_Pause); \
947 } \
948}
949
950#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
951{ \
952 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
953 100baseT_Full) || \
954 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
955 100baseT_Half)) \
956 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
957 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
958 1000baseT_Full) || \
959 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
960 1000baseT_Half)) \
961 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
962 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
963 10000baseT_Full)) \
964 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
965 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
966 25000baseCR_Full)) \
967 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
968 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
969 40000baseCR4_Full)) \
970 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
971 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
972 50000baseCR2_Full)) \
973 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
Deepak Khungar38a21b32017-04-21 20:11:24 -0400974 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
975 100000baseCR4_Full)) \
976 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
Michael Chan00c04a92016-06-13 02:25:38 -0400977}
978
979static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
980 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan27c4d572016-03-07 15:38:41 -0500981{
Michael Chan68515a12016-12-29 12:13:34 -0500982 u16 fw_speeds = link_info->advertising;
Michael Chan27c4d572016-03-07 15:38:41 -0500983 u8 fw_pause = 0;
984
985 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
986 fw_pause = link_info->auto_pause_setting;
987
Michael Chan00c04a92016-06-13 02:25:38 -0400988 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
Michael Chan27c4d572016-03-07 15:38:41 -0500989}
990
Michael Chan00c04a92016-06-13 02:25:38 -0400991static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
992 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan32773602016-03-07 15:38:42 -0500993{
994 u16 fw_speeds = link_info->lp_auto_link_speeds;
995 u8 fw_pause = 0;
996
997 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
998 fw_pause = link_info->lp_pause;
999
Michael Chan00c04a92016-06-13 02:25:38 -04001000 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1001 lp_advertising);
Michael Chan32773602016-03-07 15:38:42 -05001002}
1003
Michael Chan00c04a92016-06-13 02:25:38 -04001004static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1005 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan4b32cac2016-03-07 15:38:43 -05001006{
1007 u16 fw_speeds = link_info->support_speeds;
Michael Chan4b32cac2016-03-07 15:38:43 -05001008
Michael Chan00c04a92016-06-13 02:25:38 -04001009 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
Michael Chan4b32cac2016-03-07 15:38:43 -05001010
Michael Chan00c04a92016-06-13 02:25:38 -04001011 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1012 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1013 Asym_Pause);
Michael Chan93ed8112016-06-13 02:25:37 -04001014
Michael Chan00c04a92016-06-13 02:25:38 -04001015 if (link_info->support_auto_speeds)
1016 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1017 Autoneg);
Michael Chan93ed8112016-06-13 02:25:37 -04001018}
1019
Michael Chanc0c050c2015-10-22 16:01:17 -04001020u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1021{
1022 switch (fw_link_speed) {
1023 case BNXT_LINK_SPEED_100MB:
1024 return SPEED_100;
1025 case BNXT_LINK_SPEED_1GB:
1026 return SPEED_1000;
1027 case BNXT_LINK_SPEED_2_5GB:
1028 return SPEED_2500;
1029 case BNXT_LINK_SPEED_10GB:
1030 return SPEED_10000;
1031 case BNXT_LINK_SPEED_20GB:
1032 return SPEED_20000;
1033 case BNXT_LINK_SPEED_25GB:
1034 return SPEED_25000;
1035 case BNXT_LINK_SPEED_40GB:
1036 return SPEED_40000;
1037 case BNXT_LINK_SPEED_50GB:
1038 return SPEED_50000;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001039 case BNXT_LINK_SPEED_100GB:
1040 return SPEED_100000;
Michael Chanc0c050c2015-10-22 16:01:17 -04001041 default:
1042 return SPEED_UNKNOWN;
1043 }
1044}
1045
Michael Chan00c04a92016-06-13 02:25:38 -04001046static int bnxt_get_link_ksettings(struct net_device *dev,
1047 struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001048{
1049 struct bnxt *bp = netdev_priv(dev);
1050 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001051 struct ethtool_link_settings *base = &lk_ksettings->base;
1052 u32 ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001053
Michael Chan00c04a92016-06-13 02:25:38 -04001054 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1055 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
Michael Chanc0c050c2015-10-22 16:01:17 -04001056
Michael Chan00c04a92016-06-13 02:25:38 -04001057 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
Michael Chanb7634992016-02-10 17:33:46 -05001058 if (link_info->autoneg) {
Michael Chan00c04a92016-06-13 02:25:38 -04001059 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1060 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1061 advertising, Autoneg);
1062 base->autoneg = AUTONEG_ENABLE;
Michael Chan32773602016-03-07 15:38:42 -05001063 if (link_info->phy_link_status == BNXT_LINK_LINK)
Michael Chan00c04a92016-06-13 02:25:38 -04001064 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
Michael Chan29c262f2016-04-05 14:09:03 -04001065 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1066 if (!netif_carrier_ok(dev))
Michael Chan00c04a92016-06-13 02:25:38 -04001067 base->duplex = DUPLEX_UNKNOWN;
Michael Chan29c262f2016-04-05 14:09:03 -04001068 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001069 base->duplex = DUPLEX_FULL;
Michael Chan29c262f2016-04-05 14:09:03 -04001070 else
Michael Chan00c04a92016-06-13 02:25:38 -04001071 base->duplex = DUPLEX_HALF;
Michael Chanc0c050c2015-10-22 16:01:17 -04001072 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001073 base->autoneg = AUTONEG_DISABLE;
Michael Chan29c262f2016-04-05 14:09:03 -04001074 ethtool_speed =
1075 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
Michael Chan00c04a92016-06-13 02:25:38 -04001076 base->duplex = DUPLEX_HALF;
Michael Chan29c262f2016-04-05 14:09:03 -04001077 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001078 base->duplex = DUPLEX_FULL;
Michael Chanc0c050c2015-10-22 16:01:17 -04001079 }
Michael Chan00c04a92016-06-13 02:25:38 -04001080 base->speed = ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001081
Michael Chan00c04a92016-06-13 02:25:38 -04001082 base->port = PORT_NONE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001083 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
Michael Chan00c04a92016-06-13 02:25:38 -04001084 base->port = PORT_TP;
1085 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1086 TP);
1087 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1088 TP);
Michael Chanc0c050c2015-10-22 16:01:17 -04001089 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001090 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1091 FIBRE);
1092 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1093 FIBRE);
Michael Chanc0c050c2015-10-22 16:01:17 -04001094
1095 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
Michael Chan00c04a92016-06-13 02:25:38 -04001096 base->port = PORT_DA;
Michael Chanc0c050c2015-10-22 16:01:17 -04001097 else if (link_info->media_type ==
1098 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
Michael Chan00c04a92016-06-13 02:25:38 -04001099 base->port = PORT_FIBRE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001100 }
Michael Chan00c04a92016-06-13 02:25:38 -04001101 base->phy_address = link_info->phy_addr;
Michael Chanc0c050c2015-10-22 16:01:17 -04001102
1103 return 0;
1104}
1105
Deepak Khungar38a21b32017-04-21 20:11:24 -04001106static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
Michael Chanc0c050c2015-10-22 16:01:17 -04001107{
Michael Chan9d9cee02016-04-05 14:09:02 -04001108 struct bnxt *bp = netdev_priv(dev);
1109 struct bnxt_link_info *link_info = &bp->link_info;
1110 u16 support_spds = link_info->support_speeds;
1111 u32 fw_speed = 0;
1112
Michael Chanc0c050c2015-10-22 16:01:17 -04001113 switch (ethtool_speed) {
1114 case SPEED_100:
Michael Chan9d9cee02016-04-05 14:09:02 -04001115 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1116 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1117 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001118 case SPEED_1000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001119 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1120 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1121 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001122 case SPEED_2500:
Michael Chan9d9cee02016-04-05 14:09:02 -04001123 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1124 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1125 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001126 case SPEED_10000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001127 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1128 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1129 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001130 case SPEED_20000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001131 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1132 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1133 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001134 case SPEED_25000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001135 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1136 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1137 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001138 case SPEED_40000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001139 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1140 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1141 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001142 case SPEED_50000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001143 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1144 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1145 break;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001146 case SPEED_100000:
1147 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1148 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1149 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001150 default:
1151 netdev_err(dev, "unsupported speed!\n");
1152 break;
1153 }
Michael Chan9d9cee02016-04-05 14:09:02 -04001154 return fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001155}
1156
Michael Chan939f7f02016-04-05 14:08:58 -04001157u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
Michael Chanc0c050c2015-10-22 16:01:17 -04001158{
1159 u16 fw_speed_mask = 0;
1160
1161 /* only support autoneg at speed 100, 1000, and 10000 */
1162 if (advertising & (ADVERTISED_100baseT_Full |
1163 ADVERTISED_100baseT_Half)) {
1164 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1165 }
1166 if (advertising & (ADVERTISED_1000baseT_Full |
1167 ADVERTISED_1000baseT_Half)) {
1168 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1169 }
1170 if (advertising & ADVERTISED_10000baseT_Full)
1171 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1172
Michael Chan1c49c422016-02-10 17:33:48 -05001173 if (advertising & ADVERTISED_40000baseCR4_Full)
1174 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1175
Michael Chanc0c050c2015-10-22 16:01:17 -04001176 return fw_speed_mask;
1177}
1178
Michael Chan00c04a92016-06-13 02:25:38 -04001179static int bnxt_set_link_ksettings(struct net_device *dev,
1180 const struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001181{
Michael Chanc0c050c2015-10-22 16:01:17 -04001182 struct bnxt *bp = netdev_priv(dev);
1183 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001184 const struct ethtool_link_settings *base = &lk_ksettings->base;
Michael Chanc0c050c2015-10-22 16:01:17 -04001185 bool set_pause = false;
Michael Chan68515a12016-12-29 12:13:34 -05001186 u16 fw_advertising = 0;
1187 u32 speed;
Michael Chan00c04a92016-06-13 02:25:38 -04001188 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001189
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001190 if (!BNXT_SINGLE_PF(bp))
Michael Chan00c04a92016-06-13 02:25:38 -04001191 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001192
Michael Chan00c04a92016-06-13 02:25:38 -04001193 if (base->autoneg == AUTONEG_ENABLE) {
1194 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1195 advertising);
Michael Chanc0c050c2015-10-22 16:01:17 -04001196 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1197 if (!fw_advertising)
Michael Chan93ed8112016-06-13 02:25:37 -04001198 link_info->advertising = link_info->support_auto_speeds;
Michael Chanc0c050c2015-10-22 16:01:17 -04001199 else
1200 link_info->advertising = fw_advertising;
1201 /* any change to autoneg will cause link change, therefore the
1202 * driver should put back the original pause setting in autoneg
1203 */
1204 set_pause = true;
1205 } else {
Michael Chan9d9cee02016-04-05 14:09:02 -04001206 u16 fw_speed;
Michael Chan03efbec2016-04-11 04:11:11 -04001207 u8 phy_type = link_info->phy_type;
Michael Chan9d9cee02016-04-05 14:09:02 -04001208
Michael Chan03efbec2016-04-11 04:11:11 -04001209 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1210 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1211 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1212 netdev_err(dev, "10GBase-T devices must autoneg\n");
1213 rc = -EINVAL;
1214 goto set_setting_exit;
1215 }
Michael Chan00c04a92016-06-13 02:25:38 -04001216 if (base->duplex == DUPLEX_HALF) {
Michael Chanc0c050c2015-10-22 16:01:17 -04001217 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1218 rc = -EINVAL;
1219 goto set_setting_exit;
1220 }
Michael Chan00c04a92016-06-13 02:25:38 -04001221 speed = base->speed;
Michael Chan9d9cee02016-04-05 14:09:02 -04001222 fw_speed = bnxt_get_fw_speed(dev, speed);
1223 if (!fw_speed) {
1224 rc = -EINVAL;
1225 goto set_setting_exit;
1226 }
1227 link_info->req_link_speed = fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001228 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
Michael Chanb7634992016-02-10 17:33:46 -05001229 link_info->autoneg = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001230 link_info->advertising = 0;
1231 }
1232
1233 if (netif_running(dev))
Michael Chan939f7f02016-04-05 14:08:58 -04001234 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
Michael Chanc0c050c2015-10-22 16:01:17 -04001235
1236set_setting_exit:
1237 return rc;
1238}
1239
1240static void bnxt_get_pauseparam(struct net_device *dev,
1241 struct ethtool_pauseparam *epause)
1242{
1243 struct bnxt *bp = netdev_priv(dev);
1244 struct bnxt_link_info *link_info = &bp->link_info;
1245
1246 if (BNXT_VF(bp))
1247 return;
Michael Chanb7634992016-02-10 17:33:46 -05001248 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
Michael Chan3c02d1b2016-03-28 19:46:07 -04001249 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1250 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
Michael Chanc0c050c2015-10-22 16:01:17 -04001251}
1252
1253static int bnxt_set_pauseparam(struct net_device *dev,
1254 struct ethtool_pauseparam *epause)
1255{
1256 int rc = 0;
1257 struct bnxt *bp = netdev_priv(dev);
1258 struct bnxt_link_info *link_info = &bp->link_info;
1259
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001260 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001261 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001262
1263 if (epause->autoneg) {
Michael Chanb7634992016-02-10 17:33:46 -05001264 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1265 return -EINVAL;
1266
Michael Chanc0c050c2015-10-22 16:01:17 -04001267 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001268 if (bp->hwrm_spec_code >= 0x10201)
1269 link_info->req_flow_ctrl =
1270 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001271 } else {
1272 /* when transition from auto pause to force pause,
1273 * force a link change
1274 */
1275 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1276 link_info->force_link_chng = true;
1277 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001278 link_info->req_flow_ctrl = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001279 }
1280 if (epause->rx_pause)
1281 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001282
1283 if (epause->tx_pause)
1284 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001285
1286 if (netif_running(dev))
1287 rc = bnxt_hwrm_set_pause(bp);
1288 return rc;
1289}
1290
1291static u32 bnxt_get_link(struct net_device *dev)
1292{
1293 struct bnxt *bp = netdev_priv(dev);
1294
1295 /* TODO: handle MF, VF, driver close case */
1296 return bp->link_info.link_up;
1297}
1298
Rob Swindell5ac67d82016-09-19 03:58:03 -04001299static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1300 u16 ext, u16 *index, u32 *item_length,
1301 u32 *data_length);
1302
Michael Chanc0c050c2015-10-22 16:01:17 -04001303static int bnxt_flash_nvram(struct net_device *dev,
1304 u16 dir_type,
1305 u16 dir_ordinal,
1306 u16 dir_ext,
1307 u16 dir_attr,
1308 const u8 *data,
1309 size_t data_len)
1310{
1311 struct bnxt *bp = netdev_priv(dev);
1312 int rc;
1313 struct hwrm_nvm_write_input req = {0};
1314 dma_addr_t dma_handle;
1315 u8 *kmem;
1316
1317 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1318
1319 req.dir_type = cpu_to_le16(dir_type);
1320 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1321 req.dir_ext = cpu_to_le16(dir_ext);
1322 req.dir_attr = cpu_to_le16(dir_attr);
1323 req.dir_data_length = cpu_to_le32(data_len);
1324
1325 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1326 GFP_KERNEL);
1327 if (!kmem) {
1328 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1329 (unsigned)data_len);
1330 return -ENOMEM;
1331 }
1332 memcpy(kmem, data, data_len);
1333 req.host_src_addr = cpu_to_le64(dma_handle);
1334
1335 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1336 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1337
1338 return rc;
1339}
1340
Rob Swindelld2d63182016-01-07 19:56:58 -05001341static int bnxt_firmware_reset(struct net_device *dev,
1342 u16 dir_type)
1343{
1344 struct bnxt *bp = netdev_priv(dev);
1345 struct hwrm_fw_reset_input req = {0};
1346
1347 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1348
1349 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1350 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1351 /* (e.g. when firmware isn't already running) */
1352 switch (dir_type) {
1353 case BNX_DIR_TYPE_CHIMP_PATCH:
1354 case BNX_DIR_TYPE_BOOTCODE:
1355 case BNX_DIR_TYPE_BOOTCODE_2:
1356 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1357 /* Self-reset ChiMP upon next PCIe reset: */
1358 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1359 break;
1360 case BNX_DIR_TYPE_APE_FW:
1361 case BNX_DIR_TYPE_APE_PATCH:
1362 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
Rob Swindell08141e02016-07-01 18:46:23 -04001363 /* Self-reset APE upon next PCIe reset: */
1364 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
Rob Swindelld2d63182016-01-07 19:56:58 -05001365 break;
1366 case BNX_DIR_TYPE_KONG_FW:
1367 case BNX_DIR_TYPE_KONG_PATCH:
1368 req.embedded_proc_type =
1369 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1370 break;
1371 case BNX_DIR_TYPE_BONO_FW:
1372 case BNX_DIR_TYPE_BONO_PATCH:
1373 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1374 break;
1375 default:
1376 return -EINVAL;
1377 }
1378
1379 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1380}
1381
Michael Chanc0c050c2015-10-22 16:01:17 -04001382static int bnxt_flash_firmware(struct net_device *dev,
1383 u16 dir_type,
1384 const u8 *fw_data,
1385 size_t fw_size)
1386{
1387 int rc = 0;
1388 u16 code_type;
1389 u32 stored_crc;
1390 u32 calculated_crc;
1391 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1392
1393 switch (dir_type) {
1394 case BNX_DIR_TYPE_BOOTCODE:
1395 case BNX_DIR_TYPE_BOOTCODE_2:
1396 code_type = CODE_BOOT;
1397 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001398 case BNX_DIR_TYPE_CHIMP_PATCH:
1399 code_type = CODE_CHIMP_PATCH;
1400 break;
Rob Swindell2731d702015-12-27 18:19:20 -05001401 case BNX_DIR_TYPE_APE_FW:
1402 code_type = CODE_MCTP_PASSTHRU;
1403 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001404 case BNX_DIR_TYPE_APE_PATCH:
1405 code_type = CODE_APE_PATCH;
1406 break;
1407 case BNX_DIR_TYPE_KONG_FW:
1408 code_type = CODE_KONG_FW;
1409 break;
1410 case BNX_DIR_TYPE_KONG_PATCH:
1411 code_type = CODE_KONG_PATCH;
1412 break;
1413 case BNX_DIR_TYPE_BONO_FW:
1414 code_type = CODE_BONO_FW;
1415 break;
1416 case BNX_DIR_TYPE_BONO_PATCH:
1417 code_type = CODE_BONO_PATCH;
1418 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001419 default:
1420 netdev_err(dev, "Unsupported directory entry type: %u\n",
1421 dir_type);
1422 return -EINVAL;
1423 }
1424 if (fw_size < sizeof(struct bnxt_fw_header)) {
1425 netdev_err(dev, "Invalid firmware file size: %u\n",
1426 (unsigned int)fw_size);
1427 return -EINVAL;
1428 }
1429 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1430 netdev_err(dev, "Invalid firmware signature: %08X\n",
1431 le32_to_cpu(header->signature));
1432 return -EINVAL;
1433 }
1434 if (header->code_type != code_type) {
1435 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1436 code_type, header->code_type);
1437 return -EINVAL;
1438 }
1439 if (header->device != DEVICE_CUMULUS_FAMILY) {
1440 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1441 DEVICE_CUMULUS_FAMILY, header->device);
1442 return -EINVAL;
1443 }
1444 /* Confirm the CRC32 checksum of the file: */
1445 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1446 sizeof(stored_crc)));
1447 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1448 if (calculated_crc != stored_crc) {
1449 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1450 (unsigned long)stored_crc,
1451 (unsigned long)calculated_crc);
1452 return -EINVAL;
1453 }
Michael Chanc0c050c2015-10-22 16:01:17 -04001454 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1455 0, 0, fw_data, fw_size);
Rob Swindelld2d63182016-01-07 19:56:58 -05001456 if (rc == 0) /* Firmware update successful */
1457 rc = bnxt_firmware_reset(dev, dir_type);
1458
Michael Chanc0c050c2015-10-22 16:01:17 -04001459 return rc;
1460}
1461
Rob Swindell5ac67d82016-09-19 03:58:03 -04001462static int bnxt_flash_microcode(struct net_device *dev,
1463 u16 dir_type,
1464 const u8 *fw_data,
1465 size_t fw_size)
1466{
1467 struct bnxt_ucode_trailer *trailer;
1468 u32 calculated_crc;
1469 u32 stored_crc;
1470 int rc = 0;
1471
1472 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1473 netdev_err(dev, "Invalid microcode file size: %u\n",
1474 (unsigned int)fw_size);
1475 return -EINVAL;
1476 }
1477 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1478 sizeof(*trailer)));
1479 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1480 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1481 le32_to_cpu(trailer->sig));
1482 return -EINVAL;
1483 }
1484 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1485 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1486 dir_type, le16_to_cpu(trailer->dir_type));
1487 return -EINVAL;
1488 }
1489 if (le16_to_cpu(trailer->trailer_length) <
1490 sizeof(struct bnxt_ucode_trailer)) {
1491 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1492 le16_to_cpu(trailer->trailer_length));
1493 return -EINVAL;
1494 }
1495
1496 /* Confirm the CRC32 checksum of the file: */
1497 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1498 sizeof(stored_crc)));
1499 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1500 if (calculated_crc != stored_crc) {
1501 netdev_err(dev,
1502 "CRC32 (%08lX) does not match calculated: %08lX\n",
1503 (unsigned long)stored_crc,
1504 (unsigned long)calculated_crc);
1505 return -EINVAL;
1506 }
1507 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1508 0, 0, fw_data, fw_size);
1509
1510 return rc;
1511}
1512
Michael Chanc0c050c2015-10-22 16:01:17 -04001513static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1514{
1515 switch (dir_type) {
1516 case BNX_DIR_TYPE_CHIMP_PATCH:
1517 case BNX_DIR_TYPE_BOOTCODE:
1518 case BNX_DIR_TYPE_BOOTCODE_2:
1519 case BNX_DIR_TYPE_APE_FW:
1520 case BNX_DIR_TYPE_APE_PATCH:
1521 case BNX_DIR_TYPE_KONG_FW:
1522 case BNX_DIR_TYPE_KONG_PATCH:
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001523 case BNX_DIR_TYPE_BONO_FW:
1524 case BNX_DIR_TYPE_BONO_PATCH:
Michael Chanc0c050c2015-10-22 16:01:17 -04001525 return true;
1526 }
1527
1528 return false;
1529}
1530
Rob Swindell5ac67d82016-09-19 03:58:03 -04001531static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001532{
1533 switch (dir_type) {
1534 case BNX_DIR_TYPE_AVS:
1535 case BNX_DIR_TYPE_EXP_ROM_MBA:
1536 case BNX_DIR_TYPE_PCIE:
1537 case BNX_DIR_TYPE_TSCF_UCODE:
1538 case BNX_DIR_TYPE_EXT_PHY:
1539 case BNX_DIR_TYPE_CCM:
1540 case BNX_DIR_TYPE_ISCSI_BOOT:
1541 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1542 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1543 return true;
1544 }
1545
1546 return false;
1547}
1548
1549static bool bnxt_dir_type_is_executable(u16 dir_type)
1550{
1551 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
Rob Swindell5ac67d82016-09-19 03:58:03 -04001552 bnxt_dir_type_is_other_exec_format(dir_type);
Michael Chanc0c050c2015-10-22 16:01:17 -04001553}
1554
1555static int bnxt_flash_firmware_from_file(struct net_device *dev,
1556 u16 dir_type,
1557 const char *filename)
1558{
1559 const struct firmware *fw;
1560 int rc;
1561
Michael Chanc0c050c2015-10-22 16:01:17 -04001562 rc = request_firmware(&fw, filename, &dev->dev);
1563 if (rc != 0) {
1564 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1565 rc, filename);
1566 return rc;
1567 }
1568 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1569 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
Rob Swindell5ac67d82016-09-19 03:58:03 -04001570 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1571 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
Michael Chanc0c050c2015-10-22 16:01:17 -04001572 else
1573 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1574 0, 0, fw->data, fw->size);
1575 release_firmware(fw);
1576 return rc;
1577}
1578
1579static int bnxt_flash_package_from_file(struct net_device *dev,
Rob Swindell5ac67d82016-09-19 03:58:03 -04001580 char *filename, u32 install_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001581{
Rob Swindell5ac67d82016-09-19 03:58:03 -04001582 struct bnxt *bp = netdev_priv(dev);
1583 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1584 struct hwrm_nvm_install_update_input install = {0};
1585 const struct firmware *fw;
1586 u32 item_len;
1587 u16 index;
1588 int rc;
1589
1590 bnxt_hwrm_fw_set_time(bp);
1591
1592 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1593 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1594 &index, &item_len, NULL) != 0) {
1595 netdev_err(dev, "PKG update area not created in nvram\n");
1596 return -ENOBUFS;
1597 }
1598
1599 rc = request_firmware(&fw, filename, &dev->dev);
1600 if (rc != 0) {
1601 netdev_err(dev, "PKG error %d requesting file: %s\n",
1602 rc, filename);
1603 return rc;
1604 }
1605
1606 if (fw->size > item_len) {
1607 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1608 (unsigned long)fw->size);
1609 rc = -EFBIG;
1610 } else {
1611 dma_addr_t dma_handle;
1612 u8 *kmem;
1613 struct hwrm_nvm_modify_input modify = {0};
1614
1615 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1616
1617 modify.dir_idx = cpu_to_le16(index);
1618 modify.len = cpu_to_le32(fw->size);
1619
1620 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1621 &dma_handle, GFP_KERNEL);
1622 if (!kmem) {
1623 netdev_err(dev,
1624 "dma_alloc_coherent failure, length = %u\n",
1625 (unsigned int)fw->size);
1626 rc = -ENOMEM;
1627 } else {
1628 memcpy(kmem, fw->data, fw->size);
1629 modify.host_src_addr = cpu_to_le64(dma_handle);
1630
1631 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1632 FLASH_PACKAGE_TIMEOUT);
1633 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1634 dma_handle);
1635 }
1636 }
1637 release_firmware(fw);
1638 if (rc)
1639 return rc;
1640
1641 if ((install_type & 0xffff) == 0)
1642 install_type >>= 16;
1643 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1644 install.install_type = cpu_to_le32(install_type);
1645
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001646 mutex_lock(&bp->hwrm_cmd_lock);
1647 rc = _hwrm_send_message(bp, &install, sizeof(install),
1648 INSTALL_PACKAGE_TIMEOUT);
1649 if (rc) {
1650 rc = -EOPNOTSUPP;
1651 goto flash_pkg_exit;
1652 }
1653
1654 if (resp->error_code) {
1655 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1656
1657 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1658 install.flags |= cpu_to_le16(
1659 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1660 rc = _hwrm_send_message(bp, &install, sizeof(install),
1661 INSTALL_PACKAGE_TIMEOUT);
1662 if (rc) {
1663 rc = -EOPNOTSUPP;
1664 goto flash_pkg_exit;
1665 }
1666 }
1667 }
Rob Swindell5ac67d82016-09-19 03:58:03 -04001668
1669 if (resp->result) {
1670 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1671 (s8)resp->result, (int)resp->problem_item);
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001672 rc = -ENOPKG;
Rob Swindell5ac67d82016-09-19 03:58:03 -04001673 }
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001674flash_pkg_exit:
1675 mutex_unlock(&bp->hwrm_cmd_lock);
1676 return rc;
Michael Chanc0c050c2015-10-22 16:01:17 -04001677}
1678
1679static int bnxt_flash_device(struct net_device *dev,
1680 struct ethtool_flash *flash)
1681{
1682 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1683 netdev_err(dev, "flashdev not supported from a virtual function\n");
1684 return -EINVAL;
1685 }
1686
Rob Swindell5ac67d82016-09-19 03:58:03 -04001687 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1688 flash->region > 0xffff)
1689 return bnxt_flash_package_from_file(dev, flash->data,
1690 flash->region);
Michael Chanc0c050c2015-10-22 16:01:17 -04001691
1692 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1693}
1694
1695static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1696{
1697 struct bnxt *bp = netdev_priv(dev);
1698 int rc;
1699 struct hwrm_nvm_get_dir_info_input req = {0};
1700 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1701
1702 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1703
1704 mutex_lock(&bp->hwrm_cmd_lock);
1705 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1706 if (!rc) {
1707 *entries = le32_to_cpu(output->entries);
1708 *length = le32_to_cpu(output->entry_length);
1709 }
1710 mutex_unlock(&bp->hwrm_cmd_lock);
1711 return rc;
1712}
1713
1714static int bnxt_get_eeprom_len(struct net_device *dev)
1715{
1716 /* The -1 return value allows the entire 32-bit range of offsets to be
1717 * passed via the ethtool command-line utility.
1718 */
1719 return -1;
1720}
1721
1722static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1723{
1724 struct bnxt *bp = netdev_priv(dev);
1725 int rc;
1726 u32 dir_entries;
1727 u32 entry_length;
1728 u8 *buf;
1729 size_t buflen;
1730 dma_addr_t dma_handle;
1731 struct hwrm_nvm_get_dir_entries_input req = {0};
1732
1733 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1734 if (rc != 0)
1735 return rc;
1736
1737 /* Insert 2 bytes of directory info (count and size of entries) */
1738 if (len < 2)
1739 return -EINVAL;
1740
1741 *data++ = dir_entries;
1742 *data++ = entry_length;
1743 len -= 2;
1744 memset(data, 0xff, len);
1745
1746 buflen = dir_entries * entry_length;
1747 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1748 GFP_KERNEL);
1749 if (!buf) {
1750 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1751 (unsigned)buflen);
1752 return -ENOMEM;
1753 }
1754 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1755 req.host_dest_addr = cpu_to_le64(dma_handle);
1756 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1757 if (rc == 0)
1758 memcpy(data, buf, len > buflen ? buflen : len);
1759 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1760 return rc;
1761}
1762
1763static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1764 u32 length, u8 *data)
1765{
1766 struct bnxt *bp = netdev_priv(dev);
1767 int rc;
1768 u8 *buf;
1769 dma_addr_t dma_handle;
1770 struct hwrm_nvm_read_input req = {0};
1771
1772 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1773 GFP_KERNEL);
1774 if (!buf) {
1775 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1776 (unsigned)length);
1777 return -ENOMEM;
1778 }
1779 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1780 req.host_dest_addr = cpu_to_le64(dma_handle);
1781 req.dir_idx = cpu_to_le16(index);
1782 req.offset = cpu_to_le32(offset);
1783 req.len = cpu_to_le32(length);
1784
1785 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1786 if (rc == 0)
1787 memcpy(data, buf, length);
1788 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1789 return rc;
1790}
1791
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001792static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1793 u16 ext, u16 *index, u32 *item_length,
1794 u32 *data_length)
1795{
1796 struct bnxt *bp = netdev_priv(dev);
1797 int rc;
1798 struct hwrm_nvm_find_dir_entry_input req = {0};
1799 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1800
1801 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1802 req.enables = 0;
1803 req.dir_idx = 0;
1804 req.dir_type = cpu_to_le16(type);
1805 req.dir_ordinal = cpu_to_le16(ordinal);
1806 req.dir_ext = cpu_to_le16(ext);
1807 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
Michael Chan90e209212016-02-26 04:00:08 -05001808 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001809 if (rc == 0) {
1810 if (index)
1811 *index = le16_to_cpu(output->dir_idx);
1812 if (item_length)
1813 *item_length = le32_to_cpu(output->dir_item_length);
1814 if (data_length)
1815 *data_length = le32_to_cpu(output->dir_data_length);
1816 }
1817 return rc;
1818}
1819
1820static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1821{
1822 char *retval = NULL;
1823 char *p;
1824 char *value;
1825 int field = 0;
1826
1827 if (datalen < 1)
1828 return NULL;
1829 /* null-terminate the log data (removing last '\n'): */
1830 data[datalen - 1] = 0;
1831 for (p = data; *p != 0; p++) {
1832 field = 0;
1833 retval = NULL;
1834 while (*p != 0 && *p != '\n') {
1835 value = p;
1836 while (*p != 0 && *p != '\t' && *p != '\n')
1837 p++;
1838 if (field == desired_field)
1839 retval = value;
1840 if (*p != '\t')
1841 break;
1842 *p = 0;
1843 field++;
1844 p++;
1845 }
1846 if (*p == 0)
1847 break;
1848 *p = 0;
1849 }
1850 return retval;
1851}
1852
1853static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1854{
1855 u16 index = 0;
1856 u32 datalen;
1857
1858 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1859 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1860 &index, NULL, &datalen) != 0)
1861 return NULL;
1862
1863 memset(buf, 0, buflen);
1864 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1865 return NULL;
1866
1867 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1868 datalen);
1869}
1870
Michael Chanc0c050c2015-10-22 16:01:17 -04001871static int bnxt_get_eeprom(struct net_device *dev,
1872 struct ethtool_eeprom *eeprom,
1873 u8 *data)
1874{
1875 u32 index;
1876 u32 offset;
1877
1878 if (eeprom->offset == 0) /* special offset value to get directory */
1879 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1880
1881 index = eeprom->offset >> 24;
1882 offset = eeprom->offset & 0xffffff;
1883
1884 if (index == 0) {
1885 netdev_err(dev, "unsupported index value: %d\n", index);
1886 return -EINVAL;
1887 }
1888
1889 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1890}
1891
1892static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1893{
1894 struct bnxt *bp = netdev_priv(dev);
1895 struct hwrm_nvm_erase_dir_entry_input req = {0};
1896
1897 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1898 req.dir_idx = cpu_to_le16(index);
1899 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1900}
1901
1902static int bnxt_set_eeprom(struct net_device *dev,
1903 struct ethtool_eeprom *eeprom,
1904 u8 *data)
1905{
1906 struct bnxt *bp = netdev_priv(dev);
1907 u8 index, dir_op;
1908 u16 type, ext, ordinal, attr;
1909
1910 if (!BNXT_PF(bp)) {
1911 netdev_err(dev, "NVM write not supported from a virtual function\n");
1912 return -EINVAL;
1913 }
1914
1915 type = eeprom->magic >> 16;
1916
1917 if (type == 0xffff) { /* special value for directory operations */
1918 index = eeprom->magic & 0xff;
1919 dir_op = eeprom->magic >> 8;
1920 if (index == 0)
1921 return -EINVAL;
1922 switch (dir_op) {
1923 case 0x0e: /* erase */
1924 if (eeprom->offset != ~eeprom->magic)
1925 return -EINVAL;
1926 return bnxt_erase_nvram_directory(dev, index - 1);
1927 default:
1928 return -EINVAL;
1929 }
1930 }
1931
1932 /* Create or re-write an NVM item: */
1933 if (bnxt_dir_type_is_executable(type) == true)
Rob Swindell5ac67d82016-09-19 03:58:03 -04001934 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001935 ext = eeprom->magic & 0xffff;
1936 ordinal = eeprom->offset >> 16;
1937 attr = eeprom->offset & 0xffff;
1938
1939 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1940 eeprom->len);
1941}
1942
Michael Chan72b34f02016-04-05 14:08:59 -04001943static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1944{
1945 struct bnxt *bp = netdev_priv(dev);
1946 struct ethtool_eee *eee = &bp->eee;
1947 struct bnxt_link_info *link_info = &bp->link_info;
1948 u32 advertising =
1949 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1950 int rc = 0;
1951
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001952 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001953 return -EOPNOTSUPP;
Michael Chan72b34f02016-04-05 14:08:59 -04001954
1955 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1956 return -EOPNOTSUPP;
1957
1958 if (!edata->eee_enabled)
1959 goto eee_ok;
1960
1961 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1962 netdev_warn(dev, "EEE requires autoneg\n");
1963 return -EINVAL;
1964 }
1965 if (edata->tx_lpi_enabled) {
1966 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1967 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1968 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1969 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1970 return -EINVAL;
1971 } else if (!bp->lpi_tmr_hi) {
1972 edata->tx_lpi_timer = eee->tx_lpi_timer;
1973 }
1974 }
1975 if (!edata->advertised) {
1976 edata->advertised = advertising & eee->supported;
1977 } else if (edata->advertised & ~advertising) {
1978 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1979 edata->advertised, advertising);
1980 return -EINVAL;
1981 }
1982
1983 eee->advertised = edata->advertised;
1984 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1985 eee->tx_lpi_timer = edata->tx_lpi_timer;
1986eee_ok:
1987 eee->eee_enabled = edata->eee_enabled;
1988
1989 if (netif_running(dev))
1990 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1991
1992 return rc;
1993}
1994
1995static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1996{
1997 struct bnxt *bp = netdev_priv(dev);
1998
1999 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2000 return -EOPNOTSUPP;
2001
2002 *edata = bp->eee;
2003 if (!bp->eee.eee_enabled) {
2004 /* Preserve tx_lpi_timer so that the last value will be used
2005 * by default when it is re-enabled.
2006 */
2007 edata->advertised = 0;
2008 edata->tx_lpi_enabled = 0;
2009 }
2010
2011 if (!bp->eee.eee_active)
2012 edata->lp_advertised = 0;
2013
2014 return 0;
2015}
2016
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002017static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2018 u16 page_number, u16 start_addr,
2019 u16 data_length, u8 *buf)
2020{
2021 struct hwrm_port_phy_i2c_read_input req = {0};
2022 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2023 int rc, byte_offset = 0;
2024
2025 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2026 req.i2c_slave_addr = i2c_addr;
2027 req.page_number = cpu_to_le16(page_number);
2028 req.port_id = cpu_to_le16(bp->pf.port_id);
2029 do {
2030 u16 xfer_size;
2031
2032 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2033 data_length -= xfer_size;
2034 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2035 req.data_length = xfer_size;
2036 req.enables = cpu_to_le32(start_addr + byte_offset ?
2037 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2038 mutex_lock(&bp->hwrm_cmd_lock);
2039 rc = _hwrm_send_message(bp, &req, sizeof(req),
2040 HWRM_CMD_TIMEOUT);
2041 if (!rc)
2042 memcpy(buf + byte_offset, output->data, xfer_size);
2043 mutex_unlock(&bp->hwrm_cmd_lock);
2044 byte_offset += xfer_size;
2045 } while (!rc && data_length > 0);
2046
2047 return rc;
2048}
2049
2050static int bnxt_get_module_info(struct net_device *dev,
2051 struct ethtool_modinfo *modinfo)
2052{
2053 struct bnxt *bp = netdev_priv(dev);
2054 struct hwrm_port_phy_i2c_read_input req = {0};
2055 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2056 int rc;
2057
2058 /* No point in going further if phy status indicates
2059 * module is not inserted or if it is powered down or
2060 * if it is of type 10GBase-T
2061 */
2062 if (bp->link_info.module_status >
2063 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2064 return -EOPNOTSUPP;
2065
2066 /* This feature is not supported in older firmware versions */
2067 if (bp->hwrm_spec_code < 0x10202)
2068 return -EOPNOTSUPP;
2069
2070 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2071 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2072 req.page_number = 0;
2073 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2074 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2075 req.port_id = cpu_to_le16(bp->pf.port_id);
2076 mutex_lock(&bp->hwrm_cmd_lock);
2077 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2078 if (!rc) {
2079 u32 module_id = le32_to_cpu(output->data[0]);
2080
2081 switch (module_id) {
2082 case SFF_MODULE_ID_SFP:
2083 modinfo->type = ETH_MODULE_SFF_8472;
2084 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2085 break;
2086 case SFF_MODULE_ID_QSFP:
2087 case SFF_MODULE_ID_QSFP_PLUS:
2088 modinfo->type = ETH_MODULE_SFF_8436;
2089 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2090 break;
2091 case SFF_MODULE_ID_QSFP28:
2092 modinfo->type = ETH_MODULE_SFF_8636;
2093 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2094 break;
2095 default:
2096 rc = -EOPNOTSUPP;
2097 break;
2098 }
2099 }
2100 mutex_unlock(&bp->hwrm_cmd_lock);
2101 return rc;
2102}
2103
2104static int bnxt_get_module_eeprom(struct net_device *dev,
2105 struct ethtool_eeprom *eeprom,
2106 u8 *data)
2107{
2108 struct bnxt *bp = netdev_priv(dev);
2109 u16 start = eeprom->offset, length = eeprom->len;
Colin Ian Kingf3ea3112016-07-08 16:42:48 +01002110 int rc = 0;
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002111
2112 memset(data, 0, eeprom->len);
2113
2114 /* Read A0 portion of the EEPROM */
2115 if (start < ETH_MODULE_SFF_8436_LEN) {
2116 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2117 length = ETH_MODULE_SFF_8436_LEN - start;
2118 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2119 start, length, data);
2120 if (rc)
2121 return rc;
2122 start += length;
2123 data += length;
2124 length = eeprom->len - length;
2125 }
2126
2127 /* Read A2 portion of the EEPROM */
2128 if (length) {
2129 start -= ETH_MODULE_SFF_8436_LEN;
2130 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2131 length, data);
2132 }
2133 return rc;
2134}
2135
Deepak Khungarae8e98a2016-09-19 03:58:08 -04002136static int bnxt_nway_reset(struct net_device *dev)
2137{
2138 int rc = 0;
2139
2140 struct bnxt *bp = netdev_priv(dev);
2141 struct bnxt_link_info *link_info = &bp->link_info;
2142
2143 if (!BNXT_SINGLE_PF(bp))
2144 return -EOPNOTSUPP;
2145
2146 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2147 return -EINVAL;
2148
2149 if (netif_running(dev))
2150 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2151
2152 return rc;
2153}
2154
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002155static int bnxt_set_phys_id(struct net_device *dev,
2156 enum ethtool_phys_id_state state)
2157{
2158 struct hwrm_port_led_cfg_input req = {0};
2159 struct bnxt *bp = netdev_priv(dev);
2160 struct bnxt_pf_info *pf = &bp->pf;
2161 struct bnxt_led_cfg *led_cfg;
2162 u8 led_state;
2163 __le16 duration;
2164 int i, rc;
2165
2166 if (!bp->num_leds || BNXT_VF(bp))
2167 return -EOPNOTSUPP;
2168
2169 if (state == ETHTOOL_ID_ACTIVE) {
2170 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2171 duration = cpu_to_le16(500);
2172 } else if (state == ETHTOOL_ID_INACTIVE) {
2173 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2174 duration = cpu_to_le16(0);
2175 } else {
2176 return -EINVAL;
2177 }
2178 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2179 req.port_id = cpu_to_le16(pf->port_id);
2180 req.num_leds = bp->num_leds;
2181 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2182 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2183 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2184 led_cfg->led_id = bp->leds[i].led_id;
2185 led_cfg->led_state = led_state;
2186 led_cfg->led_blink_on = duration;
2187 led_cfg->led_blink_off = duration;
2188 led_cfg->led_group_id = bp->leds[i].led_group_id;
2189 }
2190 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2191 if (rc)
2192 rc = -EIO;
2193 return rc;
2194}
2195
Michael Chan67fea462017-04-04 18:14:15 -04002196static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2197{
2198 struct hwrm_selftest_irq_input req = {0};
2199
2200 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2201 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2202}
2203
2204static int bnxt_test_irq(struct bnxt *bp)
2205{
2206 int i;
2207
2208 for (i = 0; i < bp->cp_nr_rings; i++) {
2209 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2210 int rc;
2211
2212 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2213 if (rc)
2214 return rc;
2215 }
2216 return 0;
2217}
2218
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002219static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2220{
2221 struct hwrm_port_mac_cfg_input req = {0};
2222
2223 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2224
2225 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2226 if (enable)
2227 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2228 else
2229 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2230 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2231}
2232
Michael Chan91725d82017-04-04 18:14:14 -04002233static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2234 struct hwrm_port_phy_cfg_input *req)
2235{
2236 struct bnxt_link_info *link_info = &bp->link_info;
2237 u16 fw_advertising = link_info->advertising;
2238 u16 fw_speed;
2239 int rc;
2240
2241 if (!link_info->autoneg)
2242 return 0;
2243
2244 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2245 if (netif_carrier_ok(bp->dev))
2246 fw_speed = bp->link_info.link_speed;
2247 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2248 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2249 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2250 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2251 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2252 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2253 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2254 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2255
2256 req->force_link_speed = cpu_to_le16(fw_speed);
2257 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2258 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2259 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2260 req->flags = 0;
2261 req->force_link_speed = cpu_to_le16(0);
2262 return rc;
2263}
2264
2265static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2266{
2267 struct hwrm_port_phy_cfg_input req = {0};
2268
2269 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2270
2271 if (enable) {
2272 bnxt_disable_an_for_lpbk(bp, &req);
2273 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2274 } else {
2275 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2276 }
2277 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2278 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2279}
2280
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002281static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2282 u32 raw_cons, int pkt_size)
2283{
2284 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2285 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2286 struct bnxt_sw_rx_bd *rx_buf;
2287 struct rx_cmp *rxcmp;
2288 u16 cp_cons, cons;
2289 u8 *data;
2290 u32 len;
2291 int i;
2292
2293 cp_cons = RING_CMP(raw_cons);
2294 rxcmp = (struct rx_cmp *)
2295 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2296 cons = rxcmp->rx_cmp_opaque;
2297 rx_buf = &rxr->rx_buf_ring[cons];
2298 data = rx_buf->data_ptr;
2299 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2300 if (len != pkt_size)
2301 return -EIO;
2302 i = ETH_ALEN;
2303 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2304 return -EIO;
2305 i += ETH_ALEN;
2306 for ( ; i < pkt_size; i++) {
2307 if (data[i] != (u8)(i & 0xff))
2308 return -EIO;
2309 }
2310 return 0;
2311}
2312
2313static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2314{
2315 struct bnxt_napi *bnapi = bp->bnapi[0];
2316 struct bnxt_cp_ring_info *cpr;
2317 struct tx_cmp *txcmp;
2318 int rc = -EIO;
2319 u32 raw_cons;
2320 u32 cons;
2321 int i;
2322
2323 cpr = &bnapi->cp_ring;
2324 raw_cons = cpr->cp_raw_cons;
2325 for (i = 0; i < 200; i++) {
2326 cons = RING_CMP(raw_cons);
2327 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2328
2329 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2330 udelay(5);
2331 continue;
2332 }
2333
2334 /* The valid test of the entry must be done first before
2335 * reading any further.
2336 */
2337 dma_rmb();
2338 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2339 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2340 raw_cons = NEXT_RAW_CMP(raw_cons);
2341 raw_cons = NEXT_RAW_CMP(raw_cons);
2342 break;
2343 }
2344 raw_cons = NEXT_RAW_CMP(raw_cons);
2345 }
2346 cpr->cp_raw_cons = raw_cons;
2347 return rc;
2348}
2349
2350static int bnxt_run_loopback(struct bnxt *bp)
2351{
2352 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2353 int pkt_size, i = 0;
2354 struct sk_buff *skb;
2355 dma_addr_t map;
2356 u8 *data;
2357 int rc;
2358
2359 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2360 skb = netdev_alloc_skb(bp->dev, pkt_size);
2361 if (!skb)
2362 return -ENOMEM;
2363 data = skb_put(skb, pkt_size);
2364 eth_broadcast_addr(data);
2365 i += ETH_ALEN;
2366 ether_addr_copy(&data[i], bp->dev->dev_addr);
2367 i += ETH_ALEN;
2368 for ( ; i < pkt_size; i++)
2369 data[i] = (u8)(i & 0xff);
2370
2371 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2372 PCI_DMA_TODEVICE);
2373 if (dma_mapping_error(&bp->pdev->dev, map)) {
2374 dev_kfree_skb(skb);
2375 return -EIO;
2376 }
2377 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2378
2379 /* Sync BD data before updating doorbell */
2380 wmb();
2381
Michael Chan434c9752017-05-29 19:06:08 -04002382 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002383 rc = bnxt_poll_loopback(bp, pkt_size);
2384
2385 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2386 dev_kfree_skb(skb);
2387 return rc;
2388}
2389
Michael Chaneb513652017-04-04 18:14:12 -04002390static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2391{
2392 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2393 struct hwrm_selftest_exec_input req = {0};
2394 int rc;
2395
2396 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2397 mutex_lock(&bp->hwrm_cmd_lock);
2398 resp->test_success = 0;
2399 req.flags = test_mask;
2400 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2401 *test_results = resp->test_success;
2402 mutex_unlock(&bp->hwrm_cmd_lock);
2403 return rc;
2404}
2405
Michael Chan67fea462017-04-04 18:14:15 -04002406#define BNXT_DRV_TESTS 3
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002407#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
Michael Chan91725d82017-04-04 18:14:14 -04002408#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
Michael Chan67fea462017-04-04 18:14:15 -04002409#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
Michael Chaneb513652017-04-04 18:14:12 -04002410
2411static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2412 u64 *buf)
2413{
2414 struct bnxt *bp = netdev_priv(dev);
2415 bool offline = false;
2416 u8 test_results = 0;
2417 u8 test_mask = 0;
2418 int rc, i;
2419
2420 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2421 return;
2422 memset(buf, 0, sizeof(u64) * bp->num_tests);
2423 if (!netif_running(dev)) {
2424 etest->flags |= ETH_TEST_FL_FAILED;
2425 return;
2426 }
2427
2428 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2429 if (bp->pf.active_vfs) {
2430 etest->flags |= ETH_TEST_FL_FAILED;
2431 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2432 return;
2433 }
2434 offline = true;
2435 }
2436
2437 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2438 u8 bit_val = 1 << i;
2439
2440 if (!(bp->test_info->offline_mask & bit_val))
2441 test_mask |= bit_val;
2442 else if (offline)
2443 test_mask |= bit_val;
2444 }
2445 if (!offline) {
2446 bnxt_run_fw_tests(bp, test_mask, &test_results);
2447 } else {
2448 rc = bnxt_close_nic(bp, false, false);
2449 if (rc)
2450 return;
2451 bnxt_run_fw_tests(bp, test_mask, &test_results);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002452
2453 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2454 bnxt_hwrm_mac_loopback(bp, true);
2455 msleep(250);
2456 rc = bnxt_half_open_nic(bp);
2457 if (rc) {
2458 bnxt_hwrm_mac_loopback(bp, false);
2459 etest->flags |= ETH_TEST_FL_FAILED;
2460 return;
2461 }
2462 if (bnxt_run_loopback(bp))
2463 etest->flags |= ETH_TEST_FL_FAILED;
2464 else
2465 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2466
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002467 bnxt_hwrm_mac_loopback(bp, false);
Michael Chan91725d82017-04-04 18:14:14 -04002468 bnxt_hwrm_phy_loopback(bp, true);
2469 msleep(1000);
2470 if (bnxt_run_loopback(bp)) {
2471 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2472 etest->flags |= ETH_TEST_FL_FAILED;
2473 }
2474 bnxt_hwrm_phy_loopback(bp, false);
2475 bnxt_half_close_nic(bp);
Michael Chaneb513652017-04-04 18:14:12 -04002476 bnxt_open_nic(bp, false, true);
2477 }
Michael Chan67fea462017-04-04 18:14:15 -04002478 if (bnxt_test_irq(bp)) {
2479 buf[BNXT_IRQ_TEST_IDX] = 1;
2480 etest->flags |= ETH_TEST_FL_FAILED;
2481 }
Michael Chaneb513652017-04-04 18:14:12 -04002482 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2483 u8 bit_val = 1 << i;
2484
2485 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2486 buf[i] = 1;
2487 etest->flags |= ETH_TEST_FL_FAILED;
2488 }
2489 }
2490}
2491
2492void bnxt_ethtool_init(struct bnxt *bp)
2493{
2494 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2495 struct hwrm_selftest_qlist_input req = {0};
2496 struct bnxt_test_info *test_info;
2497 int i, rc;
2498
2499 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2500 return;
2501
2502 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2503 mutex_lock(&bp->hwrm_cmd_lock);
2504 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2505 if (rc)
2506 goto ethtool_init_exit;
2507
2508 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2509 if (!test_info)
2510 goto ethtool_init_exit;
2511
2512 bp->test_info = test_info;
2513 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2514 if (bp->num_tests > BNXT_MAX_TEST)
2515 bp->num_tests = BNXT_MAX_TEST;
2516
2517 test_info->offline_mask = resp->offline_tests;
2518 test_info->timeout = le16_to_cpu(resp->test_timeout);
2519 if (!test_info->timeout)
2520 test_info->timeout = HWRM_CMD_TIMEOUT;
2521 for (i = 0; i < bp->num_tests; i++) {
2522 char *str = test_info->string[i];
2523 char *fw_str = resp->test0_name + i * 32;
2524
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002525 if (i == BNXT_MACLPBK_TEST_IDX) {
2526 strcpy(str, "Mac loopback test (offline)");
Michael Chan91725d82017-04-04 18:14:14 -04002527 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2528 strcpy(str, "Phy loopback test (offline)");
Michael Chan67fea462017-04-04 18:14:15 -04002529 } else if (i == BNXT_IRQ_TEST_IDX) {
2530 strcpy(str, "Interrupt_test (offline)");
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002531 } else {
2532 strlcpy(str, fw_str, ETH_GSTRING_LEN);
2533 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2534 if (test_info->offline_mask & (1 << i))
2535 strncat(str, " (offline)",
2536 ETH_GSTRING_LEN - strlen(str));
2537 else
2538 strncat(str, " (online)",
2539 ETH_GSTRING_LEN - strlen(str));
2540 }
Michael Chaneb513652017-04-04 18:14:12 -04002541 }
2542
2543ethtool_init_exit:
2544 mutex_unlock(&bp->hwrm_cmd_lock);
2545}
2546
2547void bnxt_ethtool_free(struct bnxt *bp)
2548{
2549 kfree(bp->test_info);
2550 bp->test_info = NULL;
2551}
2552
Michael Chanc0c050c2015-10-22 16:01:17 -04002553const struct ethtool_ops bnxt_ethtool_ops = {
Michael Chan00c04a92016-06-13 02:25:38 -04002554 .get_link_ksettings = bnxt_get_link_ksettings,
2555 .set_link_ksettings = bnxt_set_link_ksettings,
Michael Chanc0c050c2015-10-22 16:01:17 -04002556 .get_pauseparam = bnxt_get_pauseparam,
2557 .set_pauseparam = bnxt_set_pauseparam,
2558 .get_drvinfo = bnxt_get_drvinfo,
Michael Chan8e202362017-04-04 18:14:09 -04002559 .get_wol = bnxt_get_wol,
Michael Chan5282db62017-04-04 18:14:10 -04002560 .set_wol = bnxt_set_wol,
Michael Chanc0c050c2015-10-22 16:01:17 -04002561 .get_coalesce = bnxt_get_coalesce,
2562 .set_coalesce = bnxt_set_coalesce,
2563 .get_msglevel = bnxt_get_msglevel,
2564 .set_msglevel = bnxt_set_msglevel,
2565 .get_sset_count = bnxt_get_sset_count,
2566 .get_strings = bnxt_get_strings,
2567 .get_ethtool_stats = bnxt_get_ethtool_stats,
2568 .set_ringparam = bnxt_set_ringparam,
2569 .get_ringparam = bnxt_get_ringparam,
2570 .get_channels = bnxt_get_channels,
2571 .set_channels = bnxt_set_channels,
Michael Chanc0c050c2015-10-22 16:01:17 -04002572 .get_rxnfc = bnxt_get_rxnfc,
Michael Chana0119522016-11-16 21:13:10 -05002573 .set_rxnfc = bnxt_set_rxnfc,
Michael Chanc0c050c2015-10-22 16:01:17 -04002574 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2575 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2576 .get_rxfh = bnxt_get_rxfh,
2577 .flash_device = bnxt_flash_device,
2578 .get_eeprom_len = bnxt_get_eeprom_len,
2579 .get_eeprom = bnxt_get_eeprom,
2580 .set_eeprom = bnxt_set_eeprom,
2581 .get_link = bnxt_get_link,
Michael Chan72b34f02016-04-05 14:08:59 -04002582 .get_eee = bnxt_get_eee,
2583 .set_eee = bnxt_set_eee,
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002584 .get_module_info = bnxt_get_module_info,
2585 .get_module_eeprom = bnxt_get_module_eeprom,
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002586 .nway_reset = bnxt_nway_reset,
2587 .set_phys_id = bnxt_set_phys_id,
Michael Chaneb513652017-04-04 18:14:12 -04002588 .self_test = bnxt_self_test,
Michael Chanc0c050c2015-10-22 16:01:17 -04002589};