blob: 08b870d7d4669d92c6957097afce56257f27f336 [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 Chan3b6b34d2017-07-11 13:05:35 -0400438 rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, sh, tcs,
439 tx_xdp);
Michael Chand1e79252017-02-06 16:55:38 -0500440 if (rc) {
441 netdev_warn(dev, "Unable to allocate the requested rings\n");
442 return rc;
Michael Chan391be5c2016-12-29 12:13:41 -0500443 }
444
Michael Chanc0c050c2015-10-22 16:01:17 -0400445 if (netif_running(dev)) {
446 if (BNXT_PF(bp)) {
447 /* TODO CHIMP_FW: Send message to all VF's
448 * before PF unload
449 */
450 }
451 rc = bnxt_close_nic(bp, true, false);
452 if (rc) {
453 netdev_err(bp->dev, "Set channel failure rc :%x\n",
454 rc);
455 return rc;
456 }
457 }
458
Michael Chan068c9ec2016-01-02 23:45:04 -0500459 if (sh) {
460 bp->flags |= BNXT_FLAG_SHARED_RINGS;
Michael Chand1e79252017-02-06 16:55:38 -0500461 bp->rx_nr_rings = channel->combined_count;
462 bp->tx_nr_rings_per_tc = channel->combined_count;
Michael Chan068c9ec2016-01-02 23:45:04 -0500463 } else {
464 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
465 bp->rx_nr_rings = channel->rx_count;
466 bp->tx_nr_rings_per_tc = channel->tx_count;
467 }
Michael Chan5f449242017-02-06 16:55:40 -0500468 bp->tx_nr_rings_xdp = tx_xdp;
469 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
Michael Chanc0c050c2015-10-22 16:01:17 -0400470 if (tcs > 1)
Michael Chan5f449242017-02-06 16:55:40 -0500471 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
Michael Chan068c9ec2016-01-02 23:45:04 -0500472
473 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
474 bp->tx_nr_rings + bp->rx_nr_rings;
475
Michael Chanc0c050c2015-10-22 16:01:17 -0400476 bp->num_stat_ctxs = bp->cp_nr_rings;
477
Michael Chan2bcfa6f2015-12-27 18:19:24 -0500478 /* After changing number of rx channels, update NTUPLE feature. */
479 netdev_update_features(dev);
Michael Chanc0c050c2015-10-22 16:01:17 -0400480 if (netif_running(dev)) {
481 rc = bnxt_open_nic(bp, true, false);
482 if ((!rc) && BNXT_PF(bp)) {
483 /* TODO CHIMP_FW: Send message to all VF's
484 * to renable
485 */
486 }
487 }
488
489 return rc;
490}
491
492#ifdef CONFIG_RFS_ACCEL
493static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
494 u32 *rule_locs)
495{
496 int i, j = 0;
497
498 cmd->data = bp->ntp_fltr_count;
499 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
500 struct hlist_head *head;
501 struct bnxt_ntuple_filter *fltr;
502
503 head = &bp->ntp_fltr_hash_tbl[i];
504 rcu_read_lock();
505 hlist_for_each_entry_rcu(fltr, head, hash) {
506 if (j == cmd->rule_cnt)
507 break;
508 rule_locs[j++] = fltr->sw_id;
509 }
510 rcu_read_unlock();
511 if (j == cmd->rule_cnt)
512 break;
513 }
514 cmd->rule_cnt = j;
515 return 0;
516}
517
518static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
519{
520 struct ethtool_rx_flow_spec *fs =
521 (struct ethtool_rx_flow_spec *)&cmd->fs;
522 struct bnxt_ntuple_filter *fltr;
523 struct flow_keys *fkeys;
524 int i, rc = -EINVAL;
525
stephen hemmingerb721cfa2017-07-24 10:25:18 -0700526 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
Michael Chanc0c050c2015-10-22 16:01:17 -0400527 return rc;
528
529 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
530 struct hlist_head *head;
531
532 head = &bp->ntp_fltr_hash_tbl[i];
533 rcu_read_lock();
534 hlist_for_each_entry_rcu(fltr, head, hash) {
535 if (fltr->sw_id == fs->location)
536 goto fltr_found;
537 }
538 rcu_read_unlock();
539 }
540 return rc;
541
542fltr_found:
543 fkeys = &fltr->fkeys;
Michael Chandda0e742016-12-29 12:13:40 -0500544 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
545 if (fkeys->basic.ip_proto == IPPROTO_TCP)
546 fs->flow_type = TCP_V4_FLOW;
547 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
548 fs->flow_type = UDP_V4_FLOW;
549 else
550 goto fltr_err;
Michael Chanc0c050c2015-10-22 16:01:17 -0400551
Michael Chandda0e742016-12-29 12:13:40 -0500552 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
553 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400554
Michael Chandda0e742016-12-29 12:13:40 -0500555 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
556 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400557
Michael Chandda0e742016-12-29 12:13:40 -0500558 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
559 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
Michael Chanc0c050c2015-10-22 16:01:17 -0400560
Michael Chandda0e742016-12-29 12:13:40 -0500561 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
562 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
563 } else {
564 int i;
565
566 if (fkeys->basic.ip_proto == IPPROTO_TCP)
567 fs->flow_type = TCP_V6_FLOW;
568 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
569 fs->flow_type = UDP_V6_FLOW;
570 else
571 goto fltr_err;
572
573 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
574 fkeys->addrs.v6addrs.src;
575 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
576 fkeys->addrs.v6addrs.dst;
577 for (i = 0; i < 4; i++) {
578 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
579 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
580 }
581 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
582 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
583
584 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
585 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
586 }
Michael Chanc0c050c2015-10-22 16:01:17 -0400587
588 fs->ring_cookie = fltr->rxq;
589 rc = 0;
590
591fltr_err:
592 rcu_read_unlock();
593
594 return rc;
595}
Michael Chana0119522016-11-16 21:13:10 -0500596#endif
597
598static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
599{
600 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
601 return RXH_IP_SRC | RXH_IP_DST;
602 return 0;
603}
604
605static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
606{
607 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
608 return RXH_IP_SRC | RXH_IP_DST;
609 return 0;
610}
611
612static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
613{
614 cmd->data = 0;
615 switch (cmd->flow_type) {
616 case TCP_V4_FLOW:
617 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
618 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
619 RXH_L4_B_0_1 | RXH_L4_B_2_3;
620 cmd->data |= get_ethtool_ipv4_rss(bp);
621 break;
622 case UDP_V4_FLOW:
623 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
624 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
625 RXH_L4_B_0_1 | RXH_L4_B_2_3;
626 /* fall through */
627 case SCTP_V4_FLOW:
628 case AH_ESP_V4_FLOW:
629 case AH_V4_FLOW:
630 case ESP_V4_FLOW:
631 case IPV4_FLOW:
632 cmd->data |= get_ethtool_ipv4_rss(bp);
633 break;
634
635 case TCP_V6_FLOW:
636 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
637 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
638 RXH_L4_B_0_1 | RXH_L4_B_2_3;
639 cmd->data |= get_ethtool_ipv6_rss(bp);
640 break;
641 case UDP_V6_FLOW:
642 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
643 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
644 RXH_L4_B_0_1 | RXH_L4_B_2_3;
645 /* fall through */
646 case SCTP_V6_FLOW:
647 case AH_ESP_V6_FLOW:
648 case AH_V6_FLOW:
649 case ESP_V6_FLOW:
650 case IPV6_FLOW:
651 cmd->data |= get_ethtool_ipv6_rss(bp);
652 break;
653 }
654 return 0;
655}
656
657#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
658#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
659
660static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
661{
662 u32 rss_hash_cfg = bp->rss_hash_cfg;
663 int tuple, rc = 0;
664
665 if (cmd->data == RXH_4TUPLE)
666 tuple = 4;
667 else if (cmd->data == RXH_2TUPLE)
668 tuple = 2;
669 else if (!cmd->data)
670 tuple = 0;
671 else
672 return -EINVAL;
673
674 if (cmd->flow_type == TCP_V4_FLOW) {
675 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
676 if (tuple == 4)
677 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
678 } else if (cmd->flow_type == UDP_V4_FLOW) {
679 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
680 return -EINVAL;
681 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
682 if (tuple == 4)
683 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
684 } else if (cmd->flow_type == TCP_V6_FLOW) {
685 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
686 if (tuple == 4)
687 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
688 } else if (cmd->flow_type == UDP_V6_FLOW) {
689 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
690 return -EINVAL;
691 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
692 if (tuple == 4)
693 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
694 } else if (tuple == 4) {
695 return -EINVAL;
696 }
697
698 switch (cmd->flow_type) {
699 case TCP_V4_FLOW:
700 case UDP_V4_FLOW:
701 case SCTP_V4_FLOW:
702 case AH_ESP_V4_FLOW:
703 case AH_V4_FLOW:
704 case ESP_V4_FLOW:
705 case IPV4_FLOW:
706 if (tuple == 2)
707 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
708 else if (!tuple)
709 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
710 break;
711
712 case TCP_V6_FLOW:
713 case UDP_V6_FLOW:
714 case SCTP_V6_FLOW:
715 case AH_ESP_V6_FLOW:
716 case AH_V6_FLOW:
717 case ESP_V6_FLOW:
718 case IPV6_FLOW:
719 if (tuple == 2)
720 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
721 else if (!tuple)
722 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
723 break;
724 }
725
726 if (bp->rss_hash_cfg == rss_hash_cfg)
727 return 0;
728
729 bp->rss_hash_cfg = rss_hash_cfg;
730 if (netif_running(bp->dev)) {
731 bnxt_close_nic(bp, false, false);
732 rc = bnxt_open_nic(bp, false, false);
733 }
734 return rc;
735}
Michael Chanc0c050c2015-10-22 16:01:17 -0400736
737static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
738 u32 *rule_locs)
739{
740 struct bnxt *bp = netdev_priv(dev);
741 int rc = 0;
742
743 switch (cmd->cmd) {
Michael Chana0119522016-11-16 21:13:10 -0500744#ifdef CONFIG_RFS_ACCEL
Michael Chanc0c050c2015-10-22 16:01:17 -0400745 case ETHTOOL_GRXRINGS:
746 cmd->data = bp->rx_nr_rings;
747 break;
748
749 case ETHTOOL_GRXCLSRLCNT:
750 cmd->rule_cnt = bp->ntp_fltr_count;
751 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
752 break;
753
754 case ETHTOOL_GRXCLSRLALL:
755 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
756 break;
757
758 case ETHTOOL_GRXCLSRULE:
759 rc = bnxt_grxclsrule(bp, cmd);
760 break;
Michael Chana0119522016-11-16 21:13:10 -0500761#endif
762
763 case ETHTOOL_GRXFH:
764 rc = bnxt_grxfh(bp, cmd);
765 break;
Michael Chanc0c050c2015-10-22 16:01:17 -0400766
767 default:
768 rc = -EOPNOTSUPP;
769 break;
770 }
771
772 return rc;
773}
Michael Chana0119522016-11-16 21:13:10 -0500774
775static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
776{
777 struct bnxt *bp = netdev_priv(dev);
778 int rc;
779
780 switch (cmd->cmd) {
781 case ETHTOOL_SRXFH:
782 rc = bnxt_srxfh(bp, cmd);
783 break;
784
785 default:
786 rc = -EOPNOTSUPP;
787 break;
788 }
789 return rc;
790}
Michael Chanc0c050c2015-10-22 16:01:17 -0400791
792static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
793{
794 return HW_HASH_INDEX_SIZE;
795}
796
797static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
798{
799 return HW_HASH_KEY_SIZE;
800}
801
802static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
803 u8 *hfunc)
804{
805 struct bnxt *bp = netdev_priv(dev);
806 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
807 int i = 0;
808
809 if (hfunc)
810 *hfunc = ETH_RSS_HASH_TOP;
811
812 if (indir)
813 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
814 indir[i] = le16_to_cpu(vnic->rss_table[i]);
815
816 if (key)
817 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
818
819 return 0;
820}
821
822static void bnxt_get_drvinfo(struct net_device *dev,
823 struct ethtool_drvinfo *info)
824{
825 struct bnxt *bp = netdev_priv(dev);
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500826 char *pkglog;
827 char *pkgver = NULL;
Michael Chanc0c050c2015-10-22 16:01:17 -0400828
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500829 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
830 if (pkglog)
831 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
Michael Chanc0c050c2015-10-22 16:01:17 -0400832 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
833 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500834 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
835 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
836 "%s pkg %s", bp->fw_ver_str, pkgver);
837 else
838 strlcpy(info->fw_version, bp->fw_ver_str,
839 sizeof(info->fw_version));
Michael Chanc0c050c2015-10-22 16:01:17 -0400840 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
Michael Chan5c8227d2017-07-24 12:34:23 -0400841 info->n_stats = bnxt_get_num_stats(bp);
Michael Chaneb513652017-04-04 18:14:12 -0400842 info->testinfo_len = bp->num_tests;
Michael Chanc0c050c2015-10-22 16:01:17 -0400843 /* TODO CHIMP_FW: eeprom dump details */
844 info->eedump_len = 0;
845 /* TODO CHIMP FW: reg dump details */
846 info->regdump_len = 0;
Rob Swindell3ebf6f02016-02-26 04:00:06 -0500847 kfree(pkglog);
Michael Chanc0c050c2015-10-22 16:01:17 -0400848}
849
Michael Chan8e202362017-04-04 18:14:09 -0400850static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
851{
852 struct bnxt *bp = netdev_priv(dev);
853
854 wol->supported = 0;
855 wol->wolopts = 0;
856 memset(&wol->sopass, 0, sizeof(wol->sopass));
857 if (bp->flags & BNXT_FLAG_WOL_CAP) {
858 wol->supported = WAKE_MAGIC;
859 if (bp->wol)
860 wol->wolopts = WAKE_MAGIC;
861 }
862}
863
Michael Chan5282db62017-04-04 18:14:10 -0400864static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
865{
866 struct bnxt *bp = netdev_priv(dev);
867
868 if (wol->wolopts & ~WAKE_MAGIC)
869 return -EINVAL;
870
871 if (wol->wolopts & WAKE_MAGIC) {
872 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
873 return -EINVAL;
874 if (!bp->wol) {
875 if (bnxt_hwrm_alloc_wol_fltr(bp))
876 return -EBUSY;
877 bp->wol = 1;
878 }
879 } else {
880 if (bp->wol) {
881 if (bnxt_hwrm_free_wol_fltr(bp))
882 return -EBUSY;
883 bp->wol = 0;
884 }
885 }
886 return 0;
887}
888
Michael Chan170ce012016-04-05 14:08:57 -0400889u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
Michael Chanc0c050c2015-10-22 16:01:17 -0400890{
Michael Chanc0c050c2015-10-22 16:01:17 -0400891 u32 speed_mask = 0;
892
893 /* TODO: support 25GB, 40GB, 50GB with different cable type */
894 /* set the advertised speeds */
895 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
896 speed_mask |= ADVERTISED_100baseT_Full;
897 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
898 speed_mask |= ADVERTISED_1000baseT_Full;
899 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
900 speed_mask |= ADVERTISED_2500baseX_Full;
901 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
902 speed_mask |= ADVERTISED_10000baseT_Full;
Michael Chanc0c050c2015-10-22 16:01:17 -0400903 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
Michael Chan1c49c422016-02-10 17:33:48 -0500904 speed_mask |= ADVERTISED_40000baseCR4_Full;
Michael Chan27c4d572016-03-07 15:38:41 -0500905
906 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
907 speed_mask |= ADVERTISED_Pause;
908 else if (fw_pause & BNXT_LINK_PAUSE_TX)
909 speed_mask |= ADVERTISED_Asym_Pause;
910 else if (fw_pause & BNXT_LINK_PAUSE_RX)
911 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
912
Michael Chanc0c050c2015-10-22 16:01:17 -0400913 return speed_mask;
914}
915
Michael Chan00c04a92016-06-13 02:25:38 -0400916#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
917{ \
918 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
919 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
920 100baseT_Full); \
921 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
922 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
923 1000baseT_Full); \
924 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
925 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
926 10000baseT_Full); \
927 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
928 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
929 25000baseCR_Full); \
930 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
931 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
932 40000baseCR4_Full);\
933 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
934 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
935 50000baseCR2_Full);\
Deepak Khungar38a21b32017-04-21 20:11:24 -0400936 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
937 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
938 100000baseCR4_Full);\
Michael Chan00c04a92016-06-13 02:25:38 -0400939 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
940 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
941 Pause); \
942 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
943 ethtool_link_ksettings_add_link_mode( \
944 lk_ksettings, name, Asym_Pause);\
945 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
946 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
947 Asym_Pause); \
948 } \
949}
950
951#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
952{ \
953 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
954 100baseT_Full) || \
955 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
956 100baseT_Half)) \
957 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
958 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
959 1000baseT_Full) || \
960 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
961 1000baseT_Half)) \
962 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
963 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
964 10000baseT_Full)) \
965 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
966 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
967 25000baseCR_Full)) \
968 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
969 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
970 40000baseCR4_Full)) \
971 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
972 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
973 50000baseCR2_Full)) \
974 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
Deepak Khungar38a21b32017-04-21 20:11:24 -0400975 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
976 100000baseCR4_Full)) \
977 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
Michael Chan00c04a92016-06-13 02:25:38 -0400978}
979
980static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
981 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan27c4d572016-03-07 15:38:41 -0500982{
Michael Chan68515a12016-12-29 12:13:34 -0500983 u16 fw_speeds = link_info->advertising;
Michael Chan27c4d572016-03-07 15:38:41 -0500984 u8 fw_pause = 0;
985
986 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
987 fw_pause = link_info->auto_pause_setting;
988
Michael Chan00c04a92016-06-13 02:25:38 -0400989 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
Michael Chan27c4d572016-03-07 15:38:41 -0500990}
991
Michael Chan00c04a92016-06-13 02:25:38 -0400992static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
993 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan32773602016-03-07 15:38:42 -0500994{
995 u16 fw_speeds = link_info->lp_auto_link_speeds;
996 u8 fw_pause = 0;
997
998 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
999 fw_pause = link_info->lp_pause;
1000
Michael Chan00c04a92016-06-13 02:25:38 -04001001 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1002 lp_advertising);
Michael Chan32773602016-03-07 15:38:42 -05001003}
1004
Michael Chan00c04a92016-06-13 02:25:38 -04001005static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1006 struct ethtool_link_ksettings *lk_ksettings)
Michael Chan4b32cac2016-03-07 15:38:43 -05001007{
1008 u16 fw_speeds = link_info->support_speeds;
Michael Chan4b32cac2016-03-07 15:38:43 -05001009
Michael Chan00c04a92016-06-13 02:25:38 -04001010 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
Michael Chan4b32cac2016-03-07 15:38:43 -05001011
Michael Chan00c04a92016-06-13 02:25:38 -04001012 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1013 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1014 Asym_Pause);
Michael Chan93ed8112016-06-13 02:25:37 -04001015
Michael Chan00c04a92016-06-13 02:25:38 -04001016 if (link_info->support_auto_speeds)
1017 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1018 Autoneg);
Michael Chan93ed8112016-06-13 02:25:37 -04001019}
1020
Michael Chanc0c050c2015-10-22 16:01:17 -04001021u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1022{
1023 switch (fw_link_speed) {
1024 case BNXT_LINK_SPEED_100MB:
1025 return SPEED_100;
1026 case BNXT_LINK_SPEED_1GB:
1027 return SPEED_1000;
1028 case BNXT_LINK_SPEED_2_5GB:
1029 return SPEED_2500;
1030 case BNXT_LINK_SPEED_10GB:
1031 return SPEED_10000;
1032 case BNXT_LINK_SPEED_20GB:
1033 return SPEED_20000;
1034 case BNXT_LINK_SPEED_25GB:
1035 return SPEED_25000;
1036 case BNXT_LINK_SPEED_40GB:
1037 return SPEED_40000;
1038 case BNXT_LINK_SPEED_50GB:
1039 return SPEED_50000;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001040 case BNXT_LINK_SPEED_100GB:
1041 return SPEED_100000;
Michael Chanc0c050c2015-10-22 16:01:17 -04001042 default:
1043 return SPEED_UNKNOWN;
1044 }
1045}
1046
Michael Chan00c04a92016-06-13 02:25:38 -04001047static int bnxt_get_link_ksettings(struct net_device *dev,
1048 struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001049{
1050 struct bnxt *bp = netdev_priv(dev);
1051 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001052 struct ethtool_link_settings *base = &lk_ksettings->base;
1053 u32 ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001054
Michael Chan00c04a92016-06-13 02:25:38 -04001055 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1056 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
Michael Chanc0c050c2015-10-22 16:01:17 -04001057
Michael Chan00c04a92016-06-13 02:25:38 -04001058 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
Michael Chanb7634992016-02-10 17:33:46 -05001059 if (link_info->autoneg) {
Michael Chan00c04a92016-06-13 02:25:38 -04001060 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1061 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1062 advertising, Autoneg);
1063 base->autoneg = AUTONEG_ENABLE;
Michael Chan32773602016-03-07 15:38:42 -05001064 if (link_info->phy_link_status == BNXT_LINK_LINK)
Michael Chan00c04a92016-06-13 02:25:38 -04001065 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
Michael Chan29c262f2016-04-05 14:09:03 -04001066 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1067 if (!netif_carrier_ok(dev))
Michael Chan00c04a92016-06-13 02:25:38 -04001068 base->duplex = DUPLEX_UNKNOWN;
Michael Chan29c262f2016-04-05 14:09:03 -04001069 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001070 base->duplex = DUPLEX_FULL;
Michael Chan29c262f2016-04-05 14:09:03 -04001071 else
Michael Chan00c04a92016-06-13 02:25:38 -04001072 base->duplex = DUPLEX_HALF;
Michael Chanc0c050c2015-10-22 16:01:17 -04001073 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001074 base->autoneg = AUTONEG_DISABLE;
Michael Chan29c262f2016-04-05 14:09:03 -04001075 ethtool_speed =
1076 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
Michael Chan00c04a92016-06-13 02:25:38 -04001077 base->duplex = DUPLEX_HALF;
Michael Chan29c262f2016-04-05 14:09:03 -04001078 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
Michael Chan00c04a92016-06-13 02:25:38 -04001079 base->duplex = DUPLEX_FULL;
Michael Chanc0c050c2015-10-22 16:01:17 -04001080 }
Michael Chan00c04a92016-06-13 02:25:38 -04001081 base->speed = ethtool_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001082
Michael Chan00c04a92016-06-13 02:25:38 -04001083 base->port = PORT_NONE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001084 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
Michael Chan00c04a92016-06-13 02:25:38 -04001085 base->port = PORT_TP;
1086 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1087 TP);
1088 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1089 TP);
Michael Chanc0c050c2015-10-22 16:01:17 -04001090 } else {
Michael Chan00c04a92016-06-13 02:25:38 -04001091 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1092 FIBRE);
1093 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1094 FIBRE);
Michael Chanc0c050c2015-10-22 16:01:17 -04001095
1096 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
Michael Chan00c04a92016-06-13 02:25:38 -04001097 base->port = PORT_DA;
Michael Chanc0c050c2015-10-22 16:01:17 -04001098 else if (link_info->media_type ==
1099 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
Michael Chan00c04a92016-06-13 02:25:38 -04001100 base->port = PORT_FIBRE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001101 }
Michael Chan00c04a92016-06-13 02:25:38 -04001102 base->phy_address = link_info->phy_addr;
Michael Chanc0c050c2015-10-22 16:01:17 -04001103
1104 return 0;
1105}
1106
Deepak Khungar38a21b32017-04-21 20:11:24 -04001107static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
Michael Chanc0c050c2015-10-22 16:01:17 -04001108{
Michael Chan9d9cee02016-04-05 14:09:02 -04001109 struct bnxt *bp = netdev_priv(dev);
1110 struct bnxt_link_info *link_info = &bp->link_info;
1111 u16 support_spds = link_info->support_speeds;
1112 u32 fw_speed = 0;
1113
Michael Chanc0c050c2015-10-22 16:01:17 -04001114 switch (ethtool_speed) {
1115 case SPEED_100:
Michael Chan9d9cee02016-04-05 14:09:02 -04001116 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1117 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1118 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001119 case SPEED_1000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001120 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1121 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1122 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001123 case SPEED_2500:
Michael Chan9d9cee02016-04-05 14:09:02 -04001124 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1125 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1126 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001127 case SPEED_10000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001128 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1129 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1130 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001131 case SPEED_20000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001132 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1133 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1134 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001135 case SPEED_25000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001136 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1137 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1138 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001139 case SPEED_40000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001140 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1141 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1142 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001143 case SPEED_50000:
Michael Chan9d9cee02016-04-05 14:09:02 -04001144 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1145 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1146 break;
Deepak Khungar38a21b32017-04-21 20:11:24 -04001147 case SPEED_100000:
1148 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1149 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1150 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001151 default:
1152 netdev_err(dev, "unsupported speed!\n");
1153 break;
1154 }
Michael Chan9d9cee02016-04-05 14:09:02 -04001155 return fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001156}
1157
Michael Chan939f7f02016-04-05 14:08:58 -04001158u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
Michael Chanc0c050c2015-10-22 16:01:17 -04001159{
1160 u16 fw_speed_mask = 0;
1161
1162 /* only support autoneg at speed 100, 1000, and 10000 */
1163 if (advertising & (ADVERTISED_100baseT_Full |
1164 ADVERTISED_100baseT_Half)) {
1165 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1166 }
1167 if (advertising & (ADVERTISED_1000baseT_Full |
1168 ADVERTISED_1000baseT_Half)) {
1169 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1170 }
1171 if (advertising & ADVERTISED_10000baseT_Full)
1172 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1173
Michael Chan1c49c422016-02-10 17:33:48 -05001174 if (advertising & ADVERTISED_40000baseCR4_Full)
1175 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1176
Michael Chanc0c050c2015-10-22 16:01:17 -04001177 return fw_speed_mask;
1178}
1179
Michael Chan00c04a92016-06-13 02:25:38 -04001180static int bnxt_set_link_ksettings(struct net_device *dev,
1181 const struct ethtool_link_ksettings *lk_ksettings)
Michael Chanc0c050c2015-10-22 16:01:17 -04001182{
Michael Chanc0c050c2015-10-22 16:01:17 -04001183 struct bnxt *bp = netdev_priv(dev);
1184 struct bnxt_link_info *link_info = &bp->link_info;
Michael Chan00c04a92016-06-13 02:25:38 -04001185 const struct ethtool_link_settings *base = &lk_ksettings->base;
Michael Chanc0c050c2015-10-22 16:01:17 -04001186 bool set_pause = false;
Michael Chan68515a12016-12-29 12:13:34 -05001187 u16 fw_advertising = 0;
1188 u32 speed;
Michael Chan00c04a92016-06-13 02:25:38 -04001189 int rc = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001190
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001191 if (!BNXT_SINGLE_PF(bp))
Michael Chan00c04a92016-06-13 02:25:38 -04001192 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001193
Michael Chan00c04a92016-06-13 02:25:38 -04001194 if (base->autoneg == AUTONEG_ENABLE) {
1195 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1196 advertising);
Michael Chanc0c050c2015-10-22 16:01:17 -04001197 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1198 if (!fw_advertising)
Michael Chan93ed8112016-06-13 02:25:37 -04001199 link_info->advertising = link_info->support_auto_speeds;
Michael Chanc0c050c2015-10-22 16:01:17 -04001200 else
1201 link_info->advertising = fw_advertising;
1202 /* any change to autoneg will cause link change, therefore the
1203 * driver should put back the original pause setting in autoneg
1204 */
1205 set_pause = true;
1206 } else {
Michael Chan9d9cee02016-04-05 14:09:02 -04001207 u16 fw_speed;
Michael Chan03efbec2016-04-11 04:11:11 -04001208 u8 phy_type = link_info->phy_type;
Michael Chan9d9cee02016-04-05 14:09:02 -04001209
Michael Chan03efbec2016-04-11 04:11:11 -04001210 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1211 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1212 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1213 netdev_err(dev, "10GBase-T devices must autoneg\n");
1214 rc = -EINVAL;
1215 goto set_setting_exit;
1216 }
Michael Chan00c04a92016-06-13 02:25:38 -04001217 if (base->duplex == DUPLEX_HALF) {
Michael Chanc0c050c2015-10-22 16:01:17 -04001218 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1219 rc = -EINVAL;
1220 goto set_setting_exit;
1221 }
Michael Chan00c04a92016-06-13 02:25:38 -04001222 speed = base->speed;
Michael Chan9d9cee02016-04-05 14:09:02 -04001223 fw_speed = bnxt_get_fw_speed(dev, speed);
1224 if (!fw_speed) {
1225 rc = -EINVAL;
1226 goto set_setting_exit;
1227 }
1228 link_info->req_link_speed = fw_speed;
Michael Chanc0c050c2015-10-22 16:01:17 -04001229 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
Michael Chanb7634992016-02-10 17:33:46 -05001230 link_info->autoneg = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001231 link_info->advertising = 0;
1232 }
1233
1234 if (netif_running(dev))
Michael Chan939f7f02016-04-05 14:08:58 -04001235 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
Michael Chanc0c050c2015-10-22 16:01:17 -04001236
1237set_setting_exit:
1238 return rc;
1239}
1240
1241static void bnxt_get_pauseparam(struct net_device *dev,
1242 struct ethtool_pauseparam *epause)
1243{
1244 struct bnxt *bp = netdev_priv(dev);
1245 struct bnxt_link_info *link_info = &bp->link_info;
1246
1247 if (BNXT_VF(bp))
1248 return;
Michael Chanb7634992016-02-10 17:33:46 -05001249 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
Michael Chan3c02d1b2016-03-28 19:46:07 -04001250 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1251 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
Michael Chanc0c050c2015-10-22 16:01:17 -04001252}
1253
1254static int bnxt_set_pauseparam(struct net_device *dev,
1255 struct ethtool_pauseparam *epause)
1256{
1257 int rc = 0;
1258 struct bnxt *bp = netdev_priv(dev);
1259 struct bnxt_link_info *link_info = &bp->link_info;
1260
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001261 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001262 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001263
1264 if (epause->autoneg) {
Michael Chanb7634992016-02-10 17:33:46 -05001265 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1266 return -EINVAL;
1267
Michael Chanc0c050c2015-10-22 16:01:17 -04001268 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001269 if (bp->hwrm_spec_code >= 0x10201)
1270 link_info->req_flow_ctrl =
1271 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
Michael Chanc0c050c2015-10-22 16:01:17 -04001272 } else {
1273 /* when transition from auto pause to force pause,
1274 * force a link change
1275 */
1276 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1277 link_info->force_link_chng = true;
1278 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
Michael Chanc9ee9512016-04-05 14:08:56 -04001279 link_info->req_flow_ctrl = 0;
Michael Chanc0c050c2015-10-22 16:01:17 -04001280 }
1281 if (epause->rx_pause)
1282 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001283
1284 if (epause->tx_pause)
1285 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
Michael Chanc0c050c2015-10-22 16:01:17 -04001286
1287 if (netif_running(dev))
1288 rc = bnxt_hwrm_set_pause(bp);
1289 return rc;
1290}
1291
1292static u32 bnxt_get_link(struct net_device *dev)
1293{
1294 struct bnxt *bp = netdev_priv(dev);
1295
1296 /* TODO: handle MF, VF, driver close case */
1297 return bp->link_info.link_up;
1298}
1299
Rob Swindell5ac67d82016-09-19 03:58:03 -04001300static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1301 u16 ext, u16 *index, u32 *item_length,
1302 u32 *data_length);
1303
Michael Chanc0c050c2015-10-22 16:01:17 -04001304static int bnxt_flash_nvram(struct net_device *dev,
1305 u16 dir_type,
1306 u16 dir_ordinal,
1307 u16 dir_ext,
1308 u16 dir_attr,
1309 const u8 *data,
1310 size_t data_len)
1311{
1312 struct bnxt *bp = netdev_priv(dev);
1313 int rc;
1314 struct hwrm_nvm_write_input req = {0};
1315 dma_addr_t dma_handle;
1316 u8 *kmem;
1317
1318 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1319
1320 req.dir_type = cpu_to_le16(dir_type);
1321 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1322 req.dir_ext = cpu_to_le16(dir_ext);
1323 req.dir_attr = cpu_to_le16(dir_attr);
1324 req.dir_data_length = cpu_to_le32(data_len);
1325
1326 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1327 GFP_KERNEL);
1328 if (!kmem) {
1329 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1330 (unsigned)data_len);
1331 return -ENOMEM;
1332 }
1333 memcpy(kmem, data, data_len);
1334 req.host_src_addr = cpu_to_le64(dma_handle);
1335
1336 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1337 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1338
1339 return rc;
1340}
1341
Rob Swindelld2d63182016-01-07 19:56:58 -05001342static int bnxt_firmware_reset(struct net_device *dev,
1343 u16 dir_type)
1344{
1345 struct bnxt *bp = netdev_priv(dev);
1346 struct hwrm_fw_reset_input req = {0};
1347
1348 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1349
1350 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1351 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1352 /* (e.g. when firmware isn't already running) */
1353 switch (dir_type) {
1354 case BNX_DIR_TYPE_CHIMP_PATCH:
1355 case BNX_DIR_TYPE_BOOTCODE:
1356 case BNX_DIR_TYPE_BOOTCODE_2:
1357 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1358 /* Self-reset ChiMP upon next PCIe reset: */
1359 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1360 break;
1361 case BNX_DIR_TYPE_APE_FW:
1362 case BNX_DIR_TYPE_APE_PATCH:
1363 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
Rob Swindell08141e02016-07-01 18:46:23 -04001364 /* Self-reset APE upon next PCIe reset: */
1365 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
Rob Swindelld2d63182016-01-07 19:56:58 -05001366 break;
1367 case BNX_DIR_TYPE_KONG_FW:
1368 case BNX_DIR_TYPE_KONG_PATCH:
1369 req.embedded_proc_type =
1370 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1371 break;
1372 case BNX_DIR_TYPE_BONO_FW:
1373 case BNX_DIR_TYPE_BONO_PATCH:
1374 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1375 break;
1376 default:
1377 return -EINVAL;
1378 }
1379
1380 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1381}
1382
Michael Chanc0c050c2015-10-22 16:01:17 -04001383static int bnxt_flash_firmware(struct net_device *dev,
1384 u16 dir_type,
1385 const u8 *fw_data,
1386 size_t fw_size)
1387{
1388 int rc = 0;
1389 u16 code_type;
1390 u32 stored_crc;
1391 u32 calculated_crc;
1392 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1393
1394 switch (dir_type) {
1395 case BNX_DIR_TYPE_BOOTCODE:
1396 case BNX_DIR_TYPE_BOOTCODE_2:
1397 code_type = CODE_BOOT;
1398 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001399 case BNX_DIR_TYPE_CHIMP_PATCH:
1400 code_type = CODE_CHIMP_PATCH;
1401 break;
Rob Swindell2731d702015-12-27 18:19:20 -05001402 case BNX_DIR_TYPE_APE_FW:
1403 code_type = CODE_MCTP_PASSTHRU;
1404 break;
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001405 case BNX_DIR_TYPE_APE_PATCH:
1406 code_type = CODE_APE_PATCH;
1407 break;
1408 case BNX_DIR_TYPE_KONG_FW:
1409 code_type = CODE_KONG_FW;
1410 break;
1411 case BNX_DIR_TYPE_KONG_PATCH:
1412 code_type = CODE_KONG_PATCH;
1413 break;
1414 case BNX_DIR_TYPE_BONO_FW:
1415 code_type = CODE_BONO_FW;
1416 break;
1417 case BNX_DIR_TYPE_BONO_PATCH:
1418 code_type = CODE_BONO_PATCH;
1419 break;
Michael Chanc0c050c2015-10-22 16:01:17 -04001420 default:
1421 netdev_err(dev, "Unsupported directory entry type: %u\n",
1422 dir_type);
1423 return -EINVAL;
1424 }
1425 if (fw_size < sizeof(struct bnxt_fw_header)) {
1426 netdev_err(dev, "Invalid firmware file size: %u\n",
1427 (unsigned int)fw_size);
1428 return -EINVAL;
1429 }
1430 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1431 netdev_err(dev, "Invalid firmware signature: %08X\n",
1432 le32_to_cpu(header->signature));
1433 return -EINVAL;
1434 }
1435 if (header->code_type != code_type) {
1436 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1437 code_type, header->code_type);
1438 return -EINVAL;
1439 }
1440 if (header->device != DEVICE_CUMULUS_FAMILY) {
1441 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1442 DEVICE_CUMULUS_FAMILY, header->device);
1443 return -EINVAL;
1444 }
1445 /* Confirm the CRC32 checksum of the file: */
1446 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1447 sizeof(stored_crc)));
1448 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1449 if (calculated_crc != stored_crc) {
1450 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1451 (unsigned long)stored_crc,
1452 (unsigned long)calculated_crc);
1453 return -EINVAL;
1454 }
Michael Chanc0c050c2015-10-22 16:01:17 -04001455 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1456 0, 0, fw_data, fw_size);
Rob Swindelld2d63182016-01-07 19:56:58 -05001457 if (rc == 0) /* Firmware update successful */
1458 rc = bnxt_firmware_reset(dev, dir_type);
1459
Michael Chanc0c050c2015-10-22 16:01:17 -04001460 return rc;
1461}
1462
Rob Swindell5ac67d82016-09-19 03:58:03 -04001463static int bnxt_flash_microcode(struct net_device *dev,
1464 u16 dir_type,
1465 const u8 *fw_data,
1466 size_t fw_size)
1467{
1468 struct bnxt_ucode_trailer *trailer;
1469 u32 calculated_crc;
1470 u32 stored_crc;
1471 int rc = 0;
1472
1473 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1474 netdev_err(dev, "Invalid microcode file size: %u\n",
1475 (unsigned int)fw_size);
1476 return -EINVAL;
1477 }
1478 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1479 sizeof(*trailer)));
1480 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1481 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1482 le32_to_cpu(trailer->sig));
1483 return -EINVAL;
1484 }
1485 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1486 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1487 dir_type, le16_to_cpu(trailer->dir_type));
1488 return -EINVAL;
1489 }
1490 if (le16_to_cpu(trailer->trailer_length) <
1491 sizeof(struct bnxt_ucode_trailer)) {
1492 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1493 le16_to_cpu(trailer->trailer_length));
1494 return -EINVAL;
1495 }
1496
1497 /* Confirm the CRC32 checksum of the file: */
1498 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1499 sizeof(stored_crc)));
1500 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1501 if (calculated_crc != stored_crc) {
1502 netdev_err(dev,
1503 "CRC32 (%08lX) does not match calculated: %08lX\n",
1504 (unsigned long)stored_crc,
1505 (unsigned long)calculated_crc);
1506 return -EINVAL;
1507 }
1508 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1509 0, 0, fw_data, fw_size);
1510
1511 return rc;
1512}
1513
Michael Chanc0c050c2015-10-22 16:01:17 -04001514static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1515{
1516 switch (dir_type) {
1517 case BNX_DIR_TYPE_CHIMP_PATCH:
1518 case BNX_DIR_TYPE_BOOTCODE:
1519 case BNX_DIR_TYPE_BOOTCODE_2:
1520 case BNX_DIR_TYPE_APE_FW:
1521 case BNX_DIR_TYPE_APE_PATCH:
1522 case BNX_DIR_TYPE_KONG_FW:
1523 case BNX_DIR_TYPE_KONG_PATCH:
Rob Swindell93e0b4f2016-07-01 18:46:24 -04001524 case BNX_DIR_TYPE_BONO_FW:
1525 case BNX_DIR_TYPE_BONO_PATCH:
Michael Chanc0c050c2015-10-22 16:01:17 -04001526 return true;
1527 }
1528
1529 return false;
1530}
1531
Rob Swindell5ac67d82016-09-19 03:58:03 -04001532static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001533{
1534 switch (dir_type) {
1535 case BNX_DIR_TYPE_AVS:
1536 case BNX_DIR_TYPE_EXP_ROM_MBA:
1537 case BNX_DIR_TYPE_PCIE:
1538 case BNX_DIR_TYPE_TSCF_UCODE:
1539 case BNX_DIR_TYPE_EXT_PHY:
1540 case BNX_DIR_TYPE_CCM:
1541 case BNX_DIR_TYPE_ISCSI_BOOT:
1542 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1543 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1544 return true;
1545 }
1546
1547 return false;
1548}
1549
1550static bool bnxt_dir_type_is_executable(u16 dir_type)
1551{
1552 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
Rob Swindell5ac67d82016-09-19 03:58:03 -04001553 bnxt_dir_type_is_other_exec_format(dir_type);
Michael Chanc0c050c2015-10-22 16:01:17 -04001554}
1555
1556static int bnxt_flash_firmware_from_file(struct net_device *dev,
1557 u16 dir_type,
1558 const char *filename)
1559{
1560 const struct firmware *fw;
1561 int rc;
1562
Michael Chanc0c050c2015-10-22 16:01:17 -04001563 rc = request_firmware(&fw, filename, &dev->dev);
1564 if (rc != 0) {
1565 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1566 rc, filename);
1567 return rc;
1568 }
1569 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1570 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
Rob Swindell5ac67d82016-09-19 03:58:03 -04001571 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1572 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
Michael Chanc0c050c2015-10-22 16:01:17 -04001573 else
1574 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1575 0, 0, fw->data, fw->size);
1576 release_firmware(fw);
1577 return rc;
1578}
1579
1580static int bnxt_flash_package_from_file(struct net_device *dev,
Rob Swindell5ac67d82016-09-19 03:58:03 -04001581 char *filename, u32 install_type)
Michael Chanc0c050c2015-10-22 16:01:17 -04001582{
Rob Swindell5ac67d82016-09-19 03:58:03 -04001583 struct bnxt *bp = netdev_priv(dev);
1584 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1585 struct hwrm_nvm_install_update_input install = {0};
1586 const struct firmware *fw;
1587 u32 item_len;
1588 u16 index;
1589 int rc;
1590
1591 bnxt_hwrm_fw_set_time(bp);
1592
1593 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1594 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1595 &index, &item_len, NULL) != 0) {
1596 netdev_err(dev, "PKG update area not created in nvram\n");
1597 return -ENOBUFS;
1598 }
1599
1600 rc = request_firmware(&fw, filename, &dev->dev);
1601 if (rc != 0) {
1602 netdev_err(dev, "PKG error %d requesting file: %s\n",
1603 rc, filename);
1604 return rc;
1605 }
1606
1607 if (fw->size > item_len) {
1608 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1609 (unsigned long)fw->size);
1610 rc = -EFBIG;
1611 } else {
1612 dma_addr_t dma_handle;
1613 u8 *kmem;
1614 struct hwrm_nvm_modify_input modify = {0};
1615
1616 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1617
1618 modify.dir_idx = cpu_to_le16(index);
1619 modify.len = cpu_to_le32(fw->size);
1620
1621 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1622 &dma_handle, GFP_KERNEL);
1623 if (!kmem) {
1624 netdev_err(dev,
1625 "dma_alloc_coherent failure, length = %u\n",
1626 (unsigned int)fw->size);
1627 rc = -ENOMEM;
1628 } else {
1629 memcpy(kmem, fw->data, fw->size);
1630 modify.host_src_addr = cpu_to_le64(dma_handle);
1631
1632 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1633 FLASH_PACKAGE_TIMEOUT);
1634 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1635 dma_handle);
1636 }
1637 }
1638 release_firmware(fw);
1639 if (rc)
1640 return rc;
1641
1642 if ((install_type & 0xffff) == 0)
1643 install_type >>= 16;
1644 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1645 install.install_type = cpu_to_le32(install_type);
1646
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001647 mutex_lock(&bp->hwrm_cmd_lock);
1648 rc = _hwrm_send_message(bp, &install, sizeof(install),
1649 INSTALL_PACKAGE_TIMEOUT);
1650 if (rc) {
1651 rc = -EOPNOTSUPP;
1652 goto flash_pkg_exit;
1653 }
1654
1655 if (resp->error_code) {
1656 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1657
1658 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1659 install.flags |= cpu_to_le16(
1660 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1661 rc = _hwrm_send_message(bp, &install, sizeof(install),
1662 INSTALL_PACKAGE_TIMEOUT);
1663 if (rc) {
1664 rc = -EOPNOTSUPP;
1665 goto flash_pkg_exit;
1666 }
1667 }
1668 }
Rob Swindell5ac67d82016-09-19 03:58:03 -04001669
1670 if (resp->result) {
1671 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1672 (s8)resp->result, (int)resp->problem_item);
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001673 rc = -ENOPKG;
Rob Swindell5ac67d82016-09-19 03:58:03 -04001674 }
Kshitij Sonicb4d1d62017-02-12 19:18:11 -05001675flash_pkg_exit:
1676 mutex_unlock(&bp->hwrm_cmd_lock);
1677 return rc;
Michael Chanc0c050c2015-10-22 16:01:17 -04001678}
1679
1680static int bnxt_flash_device(struct net_device *dev,
1681 struct ethtool_flash *flash)
1682{
1683 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1684 netdev_err(dev, "flashdev not supported from a virtual function\n");
1685 return -EINVAL;
1686 }
1687
Rob Swindell5ac67d82016-09-19 03:58:03 -04001688 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1689 flash->region > 0xffff)
1690 return bnxt_flash_package_from_file(dev, flash->data,
1691 flash->region);
Michael Chanc0c050c2015-10-22 16:01:17 -04001692
1693 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1694}
1695
1696static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1697{
1698 struct bnxt *bp = netdev_priv(dev);
1699 int rc;
1700 struct hwrm_nvm_get_dir_info_input req = {0};
1701 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1702
1703 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1704
1705 mutex_lock(&bp->hwrm_cmd_lock);
1706 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1707 if (!rc) {
1708 *entries = le32_to_cpu(output->entries);
1709 *length = le32_to_cpu(output->entry_length);
1710 }
1711 mutex_unlock(&bp->hwrm_cmd_lock);
1712 return rc;
1713}
1714
1715static int bnxt_get_eeprom_len(struct net_device *dev)
1716{
1717 /* The -1 return value allows the entire 32-bit range of offsets to be
1718 * passed via the ethtool command-line utility.
1719 */
1720 return -1;
1721}
1722
1723static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1724{
1725 struct bnxt *bp = netdev_priv(dev);
1726 int rc;
1727 u32 dir_entries;
1728 u32 entry_length;
1729 u8 *buf;
1730 size_t buflen;
1731 dma_addr_t dma_handle;
1732 struct hwrm_nvm_get_dir_entries_input req = {0};
1733
1734 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1735 if (rc != 0)
1736 return rc;
1737
1738 /* Insert 2 bytes of directory info (count and size of entries) */
1739 if (len < 2)
1740 return -EINVAL;
1741
1742 *data++ = dir_entries;
1743 *data++ = entry_length;
1744 len -= 2;
1745 memset(data, 0xff, len);
1746
1747 buflen = dir_entries * entry_length;
1748 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1749 GFP_KERNEL);
1750 if (!buf) {
1751 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1752 (unsigned)buflen);
1753 return -ENOMEM;
1754 }
1755 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1756 req.host_dest_addr = cpu_to_le64(dma_handle);
1757 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1758 if (rc == 0)
1759 memcpy(data, buf, len > buflen ? buflen : len);
1760 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1761 return rc;
1762}
1763
1764static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1765 u32 length, u8 *data)
1766{
1767 struct bnxt *bp = netdev_priv(dev);
1768 int rc;
1769 u8 *buf;
1770 dma_addr_t dma_handle;
1771 struct hwrm_nvm_read_input req = {0};
1772
1773 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1774 GFP_KERNEL);
1775 if (!buf) {
1776 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1777 (unsigned)length);
1778 return -ENOMEM;
1779 }
1780 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1781 req.host_dest_addr = cpu_to_le64(dma_handle);
1782 req.dir_idx = cpu_to_le16(index);
1783 req.offset = cpu_to_le32(offset);
1784 req.len = cpu_to_le32(length);
1785
1786 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1787 if (rc == 0)
1788 memcpy(data, buf, length);
1789 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1790 return rc;
1791}
1792
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001793static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1794 u16 ext, u16 *index, u32 *item_length,
1795 u32 *data_length)
1796{
1797 struct bnxt *bp = netdev_priv(dev);
1798 int rc;
1799 struct hwrm_nvm_find_dir_entry_input req = {0};
1800 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1801
1802 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1803 req.enables = 0;
1804 req.dir_idx = 0;
1805 req.dir_type = cpu_to_le16(type);
1806 req.dir_ordinal = cpu_to_le16(ordinal);
1807 req.dir_ext = cpu_to_le16(ext);
1808 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
Michael Chan90e209212016-02-26 04:00:08 -05001809 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
Rob Swindell3ebf6f02016-02-26 04:00:06 -05001810 if (rc == 0) {
1811 if (index)
1812 *index = le16_to_cpu(output->dir_idx);
1813 if (item_length)
1814 *item_length = le32_to_cpu(output->dir_item_length);
1815 if (data_length)
1816 *data_length = le32_to_cpu(output->dir_data_length);
1817 }
1818 return rc;
1819}
1820
1821static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1822{
1823 char *retval = NULL;
1824 char *p;
1825 char *value;
1826 int field = 0;
1827
1828 if (datalen < 1)
1829 return NULL;
1830 /* null-terminate the log data (removing last '\n'): */
1831 data[datalen - 1] = 0;
1832 for (p = data; *p != 0; p++) {
1833 field = 0;
1834 retval = NULL;
1835 while (*p != 0 && *p != '\n') {
1836 value = p;
1837 while (*p != 0 && *p != '\t' && *p != '\n')
1838 p++;
1839 if (field == desired_field)
1840 retval = value;
1841 if (*p != '\t')
1842 break;
1843 *p = 0;
1844 field++;
1845 p++;
1846 }
1847 if (*p == 0)
1848 break;
1849 *p = 0;
1850 }
1851 return retval;
1852}
1853
1854static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1855{
1856 u16 index = 0;
1857 u32 datalen;
1858
1859 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1860 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1861 &index, NULL, &datalen) != 0)
1862 return NULL;
1863
1864 memset(buf, 0, buflen);
1865 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1866 return NULL;
1867
1868 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1869 datalen);
1870}
1871
Michael Chanc0c050c2015-10-22 16:01:17 -04001872static int bnxt_get_eeprom(struct net_device *dev,
1873 struct ethtool_eeprom *eeprom,
1874 u8 *data)
1875{
1876 u32 index;
1877 u32 offset;
1878
1879 if (eeprom->offset == 0) /* special offset value to get directory */
1880 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1881
1882 index = eeprom->offset >> 24;
1883 offset = eeprom->offset & 0xffffff;
1884
1885 if (index == 0) {
1886 netdev_err(dev, "unsupported index value: %d\n", index);
1887 return -EINVAL;
1888 }
1889
1890 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1891}
1892
1893static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1894{
1895 struct bnxt *bp = netdev_priv(dev);
1896 struct hwrm_nvm_erase_dir_entry_input req = {0};
1897
1898 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1899 req.dir_idx = cpu_to_le16(index);
1900 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1901}
1902
1903static int bnxt_set_eeprom(struct net_device *dev,
1904 struct ethtool_eeprom *eeprom,
1905 u8 *data)
1906{
1907 struct bnxt *bp = netdev_priv(dev);
1908 u8 index, dir_op;
1909 u16 type, ext, ordinal, attr;
1910
1911 if (!BNXT_PF(bp)) {
1912 netdev_err(dev, "NVM write not supported from a virtual function\n");
1913 return -EINVAL;
1914 }
1915
1916 type = eeprom->magic >> 16;
1917
1918 if (type == 0xffff) { /* special value for directory operations */
1919 index = eeprom->magic & 0xff;
1920 dir_op = eeprom->magic >> 8;
1921 if (index == 0)
1922 return -EINVAL;
1923 switch (dir_op) {
1924 case 0x0e: /* erase */
1925 if (eeprom->offset != ~eeprom->magic)
1926 return -EINVAL;
1927 return bnxt_erase_nvram_directory(dev, index - 1);
1928 default:
1929 return -EINVAL;
1930 }
1931 }
1932
1933 /* Create or re-write an NVM item: */
1934 if (bnxt_dir_type_is_executable(type) == true)
Rob Swindell5ac67d82016-09-19 03:58:03 -04001935 return -EOPNOTSUPP;
Michael Chanc0c050c2015-10-22 16:01:17 -04001936 ext = eeprom->magic & 0xffff;
1937 ordinal = eeprom->offset >> 16;
1938 attr = eeprom->offset & 0xffff;
1939
1940 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1941 eeprom->len);
1942}
1943
Michael Chan72b34f02016-04-05 14:08:59 -04001944static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1945{
1946 struct bnxt *bp = netdev_priv(dev);
1947 struct ethtool_eee *eee = &bp->eee;
1948 struct bnxt_link_info *link_info = &bp->link_info;
1949 u32 advertising =
1950 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1951 int rc = 0;
1952
Satish Baddipadige567b2ab2016-06-13 02:25:31 -04001953 if (!BNXT_SINGLE_PF(bp))
Michael Chan75362a32016-07-01 18:46:19 -04001954 return -EOPNOTSUPP;
Michael Chan72b34f02016-04-05 14:08:59 -04001955
1956 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1957 return -EOPNOTSUPP;
1958
1959 if (!edata->eee_enabled)
1960 goto eee_ok;
1961
1962 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1963 netdev_warn(dev, "EEE requires autoneg\n");
1964 return -EINVAL;
1965 }
1966 if (edata->tx_lpi_enabled) {
1967 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1968 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1969 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1970 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1971 return -EINVAL;
1972 } else if (!bp->lpi_tmr_hi) {
1973 edata->tx_lpi_timer = eee->tx_lpi_timer;
1974 }
1975 }
1976 if (!edata->advertised) {
1977 edata->advertised = advertising & eee->supported;
1978 } else if (edata->advertised & ~advertising) {
1979 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1980 edata->advertised, advertising);
1981 return -EINVAL;
1982 }
1983
1984 eee->advertised = edata->advertised;
1985 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1986 eee->tx_lpi_timer = edata->tx_lpi_timer;
1987eee_ok:
1988 eee->eee_enabled = edata->eee_enabled;
1989
1990 if (netif_running(dev))
1991 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1992
1993 return rc;
1994}
1995
1996static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1997{
1998 struct bnxt *bp = netdev_priv(dev);
1999
2000 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2001 return -EOPNOTSUPP;
2002
2003 *edata = bp->eee;
2004 if (!bp->eee.eee_enabled) {
2005 /* Preserve tx_lpi_timer so that the last value will be used
2006 * by default when it is re-enabled.
2007 */
2008 edata->advertised = 0;
2009 edata->tx_lpi_enabled = 0;
2010 }
2011
2012 if (!bp->eee.eee_active)
2013 edata->lp_advertised = 0;
2014
2015 return 0;
2016}
2017
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002018static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2019 u16 page_number, u16 start_addr,
2020 u16 data_length, u8 *buf)
2021{
2022 struct hwrm_port_phy_i2c_read_input req = {0};
2023 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2024 int rc, byte_offset = 0;
2025
2026 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2027 req.i2c_slave_addr = i2c_addr;
2028 req.page_number = cpu_to_le16(page_number);
2029 req.port_id = cpu_to_le16(bp->pf.port_id);
2030 do {
2031 u16 xfer_size;
2032
2033 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2034 data_length -= xfer_size;
2035 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2036 req.data_length = xfer_size;
2037 req.enables = cpu_to_le32(start_addr + byte_offset ?
2038 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2039 mutex_lock(&bp->hwrm_cmd_lock);
2040 rc = _hwrm_send_message(bp, &req, sizeof(req),
2041 HWRM_CMD_TIMEOUT);
2042 if (!rc)
2043 memcpy(buf + byte_offset, output->data, xfer_size);
2044 mutex_unlock(&bp->hwrm_cmd_lock);
2045 byte_offset += xfer_size;
2046 } while (!rc && data_length > 0);
2047
2048 return rc;
2049}
2050
2051static int bnxt_get_module_info(struct net_device *dev,
2052 struct ethtool_modinfo *modinfo)
2053{
2054 struct bnxt *bp = netdev_priv(dev);
2055 struct hwrm_port_phy_i2c_read_input req = {0};
2056 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2057 int rc;
2058
2059 /* No point in going further if phy status indicates
2060 * module is not inserted or if it is powered down or
2061 * if it is of type 10GBase-T
2062 */
2063 if (bp->link_info.module_status >
2064 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2065 return -EOPNOTSUPP;
2066
2067 /* This feature is not supported in older firmware versions */
2068 if (bp->hwrm_spec_code < 0x10202)
2069 return -EOPNOTSUPP;
2070
2071 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2072 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2073 req.page_number = 0;
2074 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2075 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2076 req.port_id = cpu_to_le16(bp->pf.port_id);
2077 mutex_lock(&bp->hwrm_cmd_lock);
2078 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2079 if (!rc) {
2080 u32 module_id = le32_to_cpu(output->data[0]);
2081
2082 switch (module_id) {
2083 case SFF_MODULE_ID_SFP:
2084 modinfo->type = ETH_MODULE_SFF_8472;
2085 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2086 break;
2087 case SFF_MODULE_ID_QSFP:
2088 case SFF_MODULE_ID_QSFP_PLUS:
2089 modinfo->type = ETH_MODULE_SFF_8436;
2090 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2091 break;
2092 case SFF_MODULE_ID_QSFP28:
2093 modinfo->type = ETH_MODULE_SFF_8636;
2094 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2095 break;
2096 default:
2097 rc = -EOPNOTSUPP;
2098 break;
2099 }
2100 }
2101 mutex_unlock(&bp->hwrm_cmd_lock);
2102 return rc;
2103}
2104
2105static int bnxt_get_module_eeprom(struct net_device *dev,
2106 struct ethtool_eeprom *eeprom,
2107 u8 *data)
2108{
2109 struct bnxt *bp = netdev_priv(dev);
2110 u16 start = eeprom->offset, length = eeprom->len;
Colin Ian Kingf3ea3112016-07-08 16:42:48 +01002111 int rc = 0;
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002112
2113 memset(data, 0, eeprom->len);
2114
2115 /* Read A0 portion of the EEPROM */
2116 if (start < ETH_MODULE_SFF_8436_LEN) {
2117 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2118 length = ETH_MODULE_SFF_8436_LEN - start;
2119 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2120 start, length, data);
2121 if (rc)
2122 return rc;
2123 start += length;
2124 data += length;
2125 length = eeprom->len - length;
2126 }
2127
2128 /* Read A2 portion of the EEPROM */
2129 if (length) {
2130 start -= ETH_MODULE_SFF_8436_LEN;
2131 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2132 length, data);
2133 }
2134 return rc;
2135}
2136
Deepak Khungarae8e98a2016-09-19 03:58:08 -04002137static int bnxt_nway_reset(struct net_device *dev)
2138{
2139 int rc = 0;
2140
2141 struct bnxt *bp = netdev_priv(dev);
2142 struct bnxt_link_info *link_info = &bp->link_info;
2143
2144 if (!BNXT_SINGLE_PF(bp))
2145 return -EOPNOTSUPP;
2146
2147 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2148 return -EINVAL;
2149
2150 if (netif_running(dev))
2151 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2152
2153 return rc;
2154}
2155
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002156static int bnxt_set_phys_id(struct net_device *dev,
2157 enum ethtool_phys_id_state state)
2158{
2159 struct hwrm_port_led_cfg_input req = {0};
2160 struct bnxt *bp = netdev_priv(dev);
2161 struct bnxt_pf_info *pf = &bp->pf;
2162 struct bnxt_led_cfg *led_cfg;
2163 u8 led_state;
2164 __le16 duration;
2165 int i, rc;
2166
2167 if (!bp->num_leds || BNXT_VF(bp))
2168 return -EOPNOTSUPP;
2169
2170 if (state == ETHTOOL_ID_ACTIVE) {
2171 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2172 duration = cpu_to_le16(500);
2173 } else if (state == ETHTOOL_ID_INACTIVE) {
2174 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2175 duration = cpu_to_le16(0);
2176 } else {
2177 return -EINVAL;
2178 }
2179 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2180 req.port_id = cpu_to_le16(pf->port_id);
2181 req.num_leds = bp->num_leds;
2182 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2183 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2184 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2185 led_cfg->led_id = bp->leds[i].led_id;
2186 led_cfg->led_state = led_state;
2187 led_cfg->led_blink_on = duration;
2188 led_cfg->led_blink_off = duration;
2189 led_cfg->led_group_id = bp->leds[i].led_group_id;
2190 }
2191 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2192 if (rc)
2193 rc = -EIO;
2194 return rc;
2195}
2196
Michael Chan67fea462017-04-04 18:14:15 -04002197static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2198{
2199 struct hwrm_selftest_irq_input req = {0};
2200
2201 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2202 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2203}
2204
2205static int bnxt_test_irq(struct bnxt *bp)
2206{
2207 int i;
2208
2209 for (i = 0; i < bp->cp_nr_rings; i++) {
2210 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2211 int rc;
2212
2213 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2214 if (rc)
2215 return rc;
2216 }
2217 return 0;
2218}
2219
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002220static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2221{
2222 struct hwrm_port_mac_cfg_input req = {0};
2223
2224 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2225
2226 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2227 if (enable)
2228 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2229 else
2230 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2231 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2232}
2233
Michael Chan91725d82017-04-04 18:14:14 -04002234static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2235 struct hwrm_port_phy_cfg_input *req)
2236{
2237 struct bnxt_link_info *link_info = &bp->link_info;
2238 u16 fw_advertising = link_info->advertising;
2239 u16 fw_speed;
2240 int rc;
2241
2242 if (!link_info->autoneg)
2243 return 0;
2244
2245 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2246 if (netif_carrier_ok(bp->dev))
2247 fw_speed = bp->link_info.link_speed;
2248 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2249 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2250 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2251 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2252 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2253 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2254 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2255 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2256
2257 req->force_link_speed = cpu_to_le16(fw_speed);
2258 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2259 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2260 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2261 req->flags = 0;
2262 req->force_link_speed = cpu_to_le16(0);
2263 return rc;
2264}
2265
2266static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
2267{
2268 struct hwrm_port_phy_cfg_input req = {0};
2269
2270 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2271
2272 if (enable) {
2273 bnxt_disable_an_for_lpbk(bp, &req);
2274 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2275 } else {
2276 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2277 }
2278 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2279 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2280}
2281
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002282static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
2283 u32 raw_cons, int pkt_size)
2284{
2285 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2286 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
2287 struct bnxt_sw_rx_bd *rx_buf;
2288 struct rx_cmp *rxcmp;
2289 u16 cp_cons, cons;
2290 u8 *data;
2291 u32 len;
2292 int i;
2293
2294 cp_cons = RING_CMP(raw_cons);
2295 rxcmp = (struct rx_cmp *)
2296 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2297 cons = rxcmp->rx_cmp_opaque;
2298 rx_buf = &rxr->rx_buf_ring[cons];
2299 data = rx_buf->data_ptr;
2300 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2301 if (len != pkt_size)
2302 return -EIO;
2303 i = ETH_ALEN;
2304 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2305 return -EIO;
2306 i += ETH_ALEN;
2307 for ( ; i < pkt_size; i++) {
2308 if (data[i] != (u8)(i & 0xff))
2309 return -EIO;
2310 }
2311 return 0;
2312}
2313
2314static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
2315{
2316 struct bnxt_napi *bnapi = bp->bnapi[0];
2317 struct bnxt_cp_ring_info *cpr;
2318 struct tx_cmp *txcmp;
2319 int rc = -EIO;
2320 u32 raw_cons;
2321 u32 cons;
2322 int i;
2323
2324 cpr = &bnapi->cp_ring;
2325 raw_cons = cpr->cp_raw_cons;
2326 for (i = 0; i < 200; i++) {
2327 cons = RING_CMP(raw_cons);
2328 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2329
2330 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2331 udelay(5);
2332 continue;
2333 }
2334
2335 /* The valid test of the entry must be done first before
2336 * reading any further.
2337 */
2338 dma_rmb();
2339 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2340 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
2341 raw_cons = NEXT_RAW_CMP(raw_cons);
2342 raw_cons = NEXT_RAW_CMP(raw_cons);
2343 break;
2344 }
2345 raw_cons = NEXT_RAW_CMP(raw_cons);
2346 }
2347 cpr->cp_raw_cons = raw_cons;
2348 return rc;
2349}
2350
2351static int bnxt_run_loopback(struct bnxt *bp)
2352{
2353 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2354 int pkt_size, i = 0;
2355 struct sk_buff *skb;
2356 dma_addr_t map;
2357 u8 *data;
2358 int rc;
2359
2360 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2361 skb = netdev_alloc_skb(bp->dev, pkt_size);
2362 if (!skb)
2363 return -ENOMEM;
2364 data = skb_put(skb, pkt_size);
2365 eth_broadcast_addr(data);
2366 i += ETH_ALEN;
2367 ether_addr_copy(&data[i], bp->dev->dev_addr);
2368 i += ETH_ALEN;
2369 for ( ; i < pkt_size; i++)
2370 data[i] = (u8)(i & 0xff);
2371
2372 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2373 PCI_DMA_TODEVICE);
2374 if (dma_mapping_error(&bp->pdev->dev, map)) {
2375 dev_kfree_skb(skb);
2376 return -EIO;
2377 }
2378 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
2379
2380 /* Sync BD data before updating doorbell */
2381 wmb();
2382
Michael Chan434c9752017-05-29 19:06:08 -04002383 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002384 rc = bnxt_poll_loopback(bp, pkt_size);
2385
2386 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2387 dev_kfree_skb(skb);
2388 return rc;
2389}
2390
Michael Chaneb513652017-04-04 18:14:12 -04002391static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2392{
2393 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2394 struct hwrm_selftest_exec_input req = {0};
2395 int rc;
2396
2397 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2398 mutex_lock(&bp->hwrm_cmd_lock);
2399 resp->test_success = 0;
2400 req.flags = test_mask;
2401 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2402 *test_results = resp->test_success;
2403 mutex_unlock(&bp->hwrm_cmd_lock);
2404 return rc;
2405}
2406
Michael Chan67fea462017-04-04 18:14:15 -04002407#define BNXT_DRV_TESTS 3
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002408#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
Michael Chan91725d82017-04-04 18:14:14 -04002409#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
Michael Chan67fea462017-04-04 18:14:15 -04002410#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
Michael Chaneb513652017-04-04 18:14:12 -04002411
2412static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2413 u64 *buf)
2414{
2415 struct bnxt *bp = netdev_priv(dev);
2416 bool offline = false;
2417 u8 test_results = 0;
2418 u8 test_mask = 0;
2419 int rc, i;
2420
2421 if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2422 return;
2423 memset(buf, 0, sizeof(u64) * bp->num_tests);
2424 if (!netif_running(dev)) {
2425 etest->flags |= ETH_TEST_FL_FAILED;
2426 return;
2427 }
2428
2429 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2430 if (bp->pf.active_vfs) {
2431 etest->flags |= ETH_TEST_FL_FAILED;
2432 netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2433 return;
2434 }
2435 offline = true;
2436 }
2437
2438 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2439 u8 bit_val = 1 << i;
2440
2441 if (!(bp->test_info->offline_mask & bit_val))
2442 test_mask |= bit_val;
2443 else if (offline)
2444 test_mask |= bit_val;
2445 }
2446 if (!offline) {
2447 bnxt_run_fw_tests(bp, test_mask, &test_results);
2448 } else {
2449 rc = bnxt_close_nic(bp, false, false);
2450 if (rc)
2451 return;
2452 bnxt_run_fw_tests(bp, test_mask, &test_results);
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002453
2454 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2455 bnxt_hwrm_mac_loopback(bp, true);
2456 msleep(250);
2457 rc = bnxt_half_open_nic(bp);
2458 if (rc) {
2459 bnxt_hwrm_mac_loopback(bp, false);
2460 etest->flags |= ETH_TEST_FL_FAILED;
2461 return;
2462 }
2463 if (bnxt_run_loopback(bp))
2464 etest->flags |= ETH_TEST_FL_FAILED;
2465 else
2466 buf[BNXT_MACLPBK_TEST_IDX] = 0;
2467
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002468 bnxt_hwrm_mac_loopback(bp, false);
Michael Chan91725d82017-04-04 18:14:14 -04002469 bnxt_hwrm_phy_loopback(bp, true);
2470 msleep(1000);
2471 if (bnxt_run_loopback(bp)) {
2472 buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2473 etest->flags |= ETH_TEST_FL_FAILED;
2474 }
2475 bnxt_hwrm_phy_loopback(bp, false);
2476 bnxt_half_close_nic(bp);
Michael Chaneb513652017-04-04 18:14:12 -04002477 bnxt_open_nic(bp, false, true);
2478 }
Michael Chan67fea462017-04-04 18:14:15 -04002479 if (bnxt_test_irq(bp)) {
2480 buf[BNXT_IRQ_TEST_IDX] = 1;
2481 etest->flags |= ETH_TEST_FL_FAILED;
2482 }
Michael Chaneb513652017-04-04 18:14:12 -04002483 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2484 u8 bit_val = 1 << i;
2485
2486 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2487 buf[i] = 1;
2488 etest->flags |= ETH_TEST_FL_FAILED;
2489 }
2490 }
2491}
2492
2493void bnxt_ethtool_init(struct bnxt *bp)
2494{
2495 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
2496 struct hwrm_selftest_qlist_input req = {0};
2497 struct bnxt_test_info *test_info;
2498 int i, rc;
2499
2500 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
2501 return;
2502
2503 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
2504 mutex_lock(&bp->hwrm_cmd_lock);
2505 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2506 if (rc)
2507 goto ethtool_init_exit;
2508
2509 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
2510 if (!test_info)
2511 goto ethtool_init_exit;
2512
2513 bp->test_info = test_info;
2514 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
2515 if (bp->num_tests > BNXT_MAX_TEST)
2516 bp->num_tests = BNXT_MAX_TEST;
2517
2518 test_info->offline_mask = resp->offline_tests;
2519 test_info->timeout = le16_to_cpu(resp->test_timeout);
2520 if (!test_info->timeout)
2521 test_info->timeout = HWRM_CMD_TIMEOUT;
2522 for (i = 0; i < bp->num_tests; i++) {
2523 char *str = test_info->string[i];
2524 char *fw_str = resp->test0_name + i * 32;
2525
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002526 if (i == BNXT_MACLPBK_TEST_IDX) {
2527 strcpy(str, "Mac loopback test (offline)");
Michael Chan91725d82017-04-04 18:14:14 -04002528 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
2529 strcpy(str, "Phy loopback test (offline)");
Michael Chan67fea462017-04-04 18:14:15 -04002530 } else if (i == BNXT_IRQ_TEST_IDX) {
2531 strcpy(str, "Interrupt_test (offline)");
Michael Chanf7dc1ea2017-04-04 18:14:13 -04002532 } else {
2533 strlcpy(str, fw_str, ETH_GSTRING_LEN);
2534 strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
2535 if (test_info->offline_mask & (1 << i))
2536 strncat(str, " (offline)",
2537 ETH_GSTRING_LEN - strlen(str));
2538 else
2539 strncat(str, " (online)",
2540 ETH_GSTRING_LEN - strlen(str));
2541 }
Michael Chaneb513652017-04-04 18:14:12 -04002542 }
2543
2544ethtool_init_exit:
2545 mutex_unlock(&bp->hwrm_cmd_lock);
2546}
2547
2548void bnxt_ethtool_free(struct bnxt *bp)
2549{
2550 kfree(bp->test_info);
2551 bp->test_info = NULL;
2552}
2553
Michael Chanc0c050c2015-10-22 16:01:17 -04002554const struct ethtool_ops bnxt_ethtool_ops = {
Michael Chan00c04a92016-06-13 02:25:38 -04002555 .get_link_ksettings = bnxt_get_link_ksettings,
2556 .set_link_ksettings = bnxt_set_link_ksettings,
Michael Chanc0c050c2015-10-22 16:01:17 -04002557 .get_pauseparam = bnxt_get_pauseparam,
2558 .set_pauseparam = bnxt_set_pauseparam,
2559 .get_drvinfo = bnxt_get_drvinfo,
Michael Chan8e202362017-04-04 18:14:09 -04002560 .get_wol = bnxt_get_wol,
Michael Chan5282db62017-04-04 18:14:10 -04002561 .set_wol = bnxt_set_wol,
Michael Chanc0c050c2015-10-22 16:01:17 -04002562 .get_coalesce = bnxt_get_coalesce,
2563 .set_coalesce = bnxt_set_coalesce,
2564 .get_msglevel = bnxt_get_msglevel,
2565 .set_msglevel = bnxt_set_msglevel,
2566 .get_sset_count = bnxt_get_sset_count,
2567 .get_strings = bnxt_get_strings,
2568 .get_ethtool_stats = bnxt_get_ethtool_stats,
2569 .set_ringparam = bnxt_set_ringparam,
2570 .get_ringparam = bnxt_get_ringparam,
2571 .get_channels = bnxt_get_channels,
2572 .set_channels = bnxt_set_channels,
Michael Chanc0c050c2015-10-22 16:01:17 -04002573 .get_rxnfc = bnxt_get_rxnfc,
Michael Chana0119522016-11-16 21:13:10 -05002574 .set_rxnfc = bnxt_set_rxnfc,
Michael Chanc0c050c2015-10-22 16:01:17 -04002575 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2576 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2577 .get_rxfh = bnxt_get_rxfh,
2578 .flash_device = bnxt_flash_device,
2579 .get_eeprom_len = bnxt_get_eeprom_len,
2580 .get_eeprom = bnxt_get_eeprom,
2581 .set_eeprom = bnxt_set_eeprom,
2582 .get_link = bnxt_get_link,
Michael Chan72b34f02016-04-05 14:08:59 -04002583 .get_eee = bnxt_get_eee,
2584 .set_eee = bnxt_set_eee,
Ajit Khaparde42ee18f2016-05-15 03:04:44 -04002585 .get_module_info = bnxt_get_module_info,
2586 .get_module_eeprom = bnxt_get_module_eeprom,
Michael Chan5ad2cbe2017-01-13 01:32:03 -05002587 .nway_reset = bnxt_nway_reset,
2588 .set_phys_id = bnxt_set_phys_id,
Michael Chaneb513652017-04-04 18:14:12 -04002589 .self_test = bnxt_self_test,
Michael Chanc0c050c2015-10-22 16:01:17 -04002590};