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34#include <linux/kernel.h>
35#include <linux/ethtool.h>
36#include <linux/netdevice.h>
37#include <linux/mlx4/driver.h>
38#include <linux/in.h>
39#include <net/ip.h>
40
41#include "mlx4_en.h"
42#include "en_port.h"
43
44#define EN_ETHTOOL_QP_ATTACH (1ull << 63)
45#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
46#define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
47
48static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
49{
50 int i;
51 int err = 0;
52
53 for (i = 0; i < priv->tx_ring_num; i++) {
54 priv->tx_cq[i]->moder_cnt = priv->tx_frames;
55 priv->tx_cq[i]->moder_time = priv->tx_usecs;
56 if (priv->port_up) {
57 err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
58 if (err)
59 return err;
60 }
61 }
62
63 if (priv->adaptive_rx_coal)
64 return 0;
65
66 for (i = 0; i < priv->rx_ring_num; i++) {
67 priv->rx_cq[i]->moder_cnt = priv->rx_frames;
68 priv->rx_cq[i]->moder_time = priv->rx_usecs;
69 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
70 if (priv->port_up) {
71 err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
72 if (err)
73 return err;
74 }
75 }
76
77 return err;
78}
79
80static void
81mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
82{
83 struct mlx4_en_priv *priv = netdev_priv(dev);
84 struct mlx4_en_dev *mdev = priv->mdev;
85
86 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
87 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
88 sizeof(drvinfo->version));
89 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
90 "%d.%d.%d",
91 (u16) (mdev->dev->caps.fw_ver >> 32),
92 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
93 (u16) (mdev->dev->caps.fw_ver & 0xffff));
94 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
95 sizeof(drvinfo->bus_info));
96 drvinfo->n_stats = 0;
97 drvinfo->regdump_len = 0;
98 drvinfo->eedump_len = 0;
99}
100
101static const char main_strings[][ETH_GSTRING_LEN] = {
102 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
103 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
104 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
105 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
106 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
107 "tx_heartbeat_errors", "tx_window_errors",
108
109
110 "tso_packets",
111 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
112 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
113
114
115 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
116 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
117 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
118 "tx_prio_6", "tx_prio_7",
119};
120#define NUM_MAIN_STATS 21
121#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
122
123static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
124 "Interrupt Test",
125 "Link Test",
126 "Speed Test",
127 "Register Test",
128 "Loopback Test",
129};
130
131static u32 mlx4_en_get_msglevel(struct net_device *dev)
132{
133 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
134}
135
136static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
137{
138 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
139}
140
141static void mlx4_en_get_wol(struct net_device *netdev,
142 struct ethtool_wolinfo *wol)
143{
144 struct mlx4_en_priv *priv = netdev_priv(netdev);
145 int err = 0;
146 u64 config = 0;
147 u64 mask;
148
149 if ((priv->port < 1) || (priv->port > 2)) {
150 en_err(priv, "Failed to get WoL information\n");
151 return;
152 }
153
154 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
155 MLX4_DEV_CAP_FLAG_WOL_PORT2;
156
157 if (!(priv->mdev->dev->caps.flags & mask)) {
158 wol->supported = 0;
159 wol->wolopts = 0;
160 return;
161 }
162
163 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
164 if (err) {
165 en_err(priv, "Failed to get WoL information\n");
166 return;
167 }
168
169 if (config & MLX4_EN_WOL_MAGIC)
170 wol->supported = WAKE_MAGIC;
171 else
172 wol->supported = 0;
173
174 if (config & MLX4_EN_WOL_ENABLED)
175 wol->wolopts = WAKE_MAGIC;
176 else
177 wol->wolopts = 0;
178}
179
180static int mlx4_en_set_wol(struct net_device *netdev,
181 struct ethtool_wolinfo *wol)
182{
183 struct mlx4_en_priv *priv = netdev_priv(netdev);
184 u64 config = 0;
185 int err = 0;
186 u64 mask;
187
188 if ((priv->port < 1) || (priv->port > 2))
189 return -EOPNOTSUPP;
190
191 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
192 MLX4_DEV_CAP_FLAG_WOL_PORT2;
193
194 if (!(priv->mdev->dev->caps.flags & mask))
195 return -EOPNOTSUPP;
196
197 if (wol->supported & ~WAKE_MAGIC)
198 return -EINVAL;
199
200 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
201 if (err) {
202 en_err(priv, "Failed to get WoL info, unable to modify\n");
203 return err;
204 }
205
206 if (wol->wolopts & WAKE_MAGIC) {
207 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
208 MLX4_EN_WOL_MAGIC;
209 } else {
210 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
211 config |= MLX4_EN_WOL_DO_MODIFY;
212 }
213
214 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
215 if (err)
216 en_err(priv, "Failed to set WoL information\n");
217
218 return err;
219}
220
221static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
222{
223 struct mlx4_en_priv *priv = netdev_priv(dev);
224 int bit_count = hweight64(priv->stats_bitmap);
225
226 switch (sset) {
227 case ETH_SS_STATS:
228 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
229 (priv->tx_ring_num * 2) +
230#ifdef CONFIG_NET_RX_BUSY_POLL
231 (priv->rx_ring_num * 5);
232#else
233 (priv->rx_ring_num * 2);
234#endif
235 case ETH_SS_TEST:
236 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
237 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
238 default:
239 return -EOPNOTSUPP;
240 }
241}
242
243static void mlx4_en_get_ethtool_stats(struct net_device *dev,
244 struct ethtool_stats *stats, uint64_t *data)
245{
246 struct mlx4_en_priv *priv = netdev_priv(dev);
247 int index = 0;
248 int i, j = 0;
249
250 spin_lock_bh(&priv->stats_lock);
251
252 if (!(priv->stats_bitmap)) {
253 for (i = 0; i < NUM_MAIN_STATS; i++)
254 data[index++] =
255 ((unsigned long *) &priv->stats)[i];
256 for (i = 0; i < NUM_PORT_STATS; i++)
257 data[index++] =
258 ((unsigned long *) &priv->port_stats)[i];
259 for (i = 0; i < NUM_PKT_STATS; i++)
260 data[index++] =
261 ((unsigned long *) &priv->pkstats)[i];
262 } else {
263 for (i = 0; i < NUM_MAIN_STATS; i++) {
264 if ((priv->stats_bitmap >> j) & 1)
265 data[index++] =
266 ((unsigned long *) &priv->stats)[i];
267 j++;
268 }
269 for (i = 0; i < NUM_PORT_STATS; i++) {
270 if ((priv->stats_bitmap >> j) & 1)
271 data[index++] =
272 ((unsigned long *) &priv->port_stats)[i];
273 j++;
274 }
275 }
276 for (i = 0; i < priv->tx_ring_num; i++) {
277 data[index++] = priv->tx_ring[i]->packets;
278 data[index++] = priv->tx_ring[i]->bytes;
279 }
280 for (i = 0; i < priv->rx_ring_num; i++) {
281 data[index++] = priv->rx_ring[i]->packets;
282 data[index++] = priv->rx_ring[i]->bytes;
283#ifdef CONFIG_NET_RX_BUSY_POLL
284 data[index++] = priv->rx_ring[i]->yields;
285 data[index++] = priv->rx_ring[i]->misses;
286 data[index++] = priv->rx_ring[i]->cleaned;
287#endif
288 }
289 spin_unlock_bh(&priv->stats_lock);
290
291}
292
293static void mlx4_en_self_test(struct net_device *dev,
294 struct ethtool_test *etest, u64 *buf)
295{
296 mlx4_en_ex_selftest(dev, &etest->flags, buf);
297}
298
299static void mlx4_en_get_strings(struct net_device *dev,
300 uint32_t stringset, uint8_t *data)
301{
302 struct mlx4_en_priv *priv = netdev_priv(dev);
303 int index = 0;
304 int i;
305
306 switch (stringset) {
307 case ETH_SS_TEST:
308 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
309 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
310 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
311 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
312 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
313 break;
314
315 case ETH_SS_STATS:
316
317 if (!priv->stats_bitmap) {
318 for (i = 0; i < NUM_MAIN_STATS; i++)
319 strcpy(data + (index++) * ETH_GSTRING_LEN,
320 main_strings[i]);
321 for (i = 0; i < NUM_PORT_STATS; i++)
322 strcpy(data + (index++) * ETH_GSTRING_LEN,
323 main_strings[i +
324 NUM_MAIN_STATS]);
325 for (i = 0; i < NUM_PKT_STATS; i++)
326 strcpy(data + (index++) * ETH_GSTRING_LEN,
327 main_strings[i +
328 NUM_MAIN_STATS +
329 NUM_PORT_STATS]);
330 } else
331 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
332 if ((priv->stats_bitmap >> i) & 1) {
333 strcpy(data +
334 (index++) * ETH_GSTRING_LEN,
335 main_strings[i]);
336 }
337 if (!(priv->stats_bitmap >> i))
338 break;
339 }
340 for (i = 0; i < priv->tx_ring_num; i++) {
341 sprintf(data + (index++) * ETH_GSTRING_LEN,
342 "tx%d_packets", i);
343 sprintf(data + (index++) * ETH_GSTRING_LEN,
344 "tx%d_bytes", i);
345 }
346 for (i = 0; i < priv->rx_ring_num; i++) {
347 sprintf(data + (index++) * ETH_GSTRING_LEN,
348 "rx%d_packets", i);
349 sprintf(data + (index++) * ETH_GSTRING_LEN,
350 "rx%d_bytes", i);
351#ifdef CONFIG_NET_RX_BUSY_POLL
352 sprintf(data + (index++) * ETH_GSTRING_LEN,
353 "rx%d_napi_yield", i);
354 sprintf(data + (index++) * ETH_GSTRING_LEN,
355 "rx%d_misses", i);
356 sprintf(data + (index++) * ETH_GSTRING_LEN,
357 "rx%d_cleaned", i);
358#endif
359 }
360 break;
361 }
362}
363
364static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
365{
366 struct mlx4_en_priv *priv = netdev_priv(dev);
367 int trans_type;
368
369 cmd->autoneg = AUTONEG_DISABLE;
370 cmd->supported = SUPPORTED_10000baseT_Full;
371 cmd->advertising = ADVERTISED_10000baseT_Full;
372
373 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
374 return -ENOMEM;
375
376 trans_type = priv->port_state.transciver;
377 if (netif_carrier_ok(dev)) {
378 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
379 cmd->duplex = DUPLEX_FULL;
380 } else {
381 ethtool_cmd_speed_set(cmd, -1);
382 cmd->duplex = -1;
383 }
384
385 if (trans_type > 0 && trans_type <= 0xC) {
386 cmd->port = PORT_FIBRE;
387 cmd->transceiver = XCVR_EXTERNAL;
388 cmd->supported |= SUPPORTED_FIBRE;
389 cmd->advertising |= ADVERTISED_FIBRE;
390 } else if (trans_type == 0x80 || trans_type == 0) {
391 cmd->port = PORT_TP;
392 cmd->transceiver = XCVR_INTERNAL;
393 cmd->supported |= SUPPORTED_TP;
394 cmd->advertising |= ADVERTISED_TP;
395 } else {
396 cmd->port = -1;
397 cmd->transceiver = -1;
398 }
399 return 0;
400}
401
402static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
403{
404 if ((cmd->autoneg == AUTONEG_ENABLE) ||
405 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
406 (cmd->duplex != DUPLEX_FULL))
407 return -EINVAL;
408
409
410 return 0;
411}
412
413static int mlx4_en_get_coalesce(struct net_device *dev,
414 struct ethtool_coalesce *coal)
415{
416 struct mlx4_en_priv *priv = netdev_priv(dev);
417
418 coal->tx_coalesce_usecs = priv->tx_usecs;
419 coal->tx_max_coalesced_frames = priv->tx_frames;
420 coal->rx_coalesce_usecs = priv->rx_usecs;
421 coal->rx_max_coalesced_frames = priv->rx_frames;
422
423 coal->pkt_rate_low = priv->pkt_rate_low;
424 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
425 coal->pkt_rate_high = priv->pkt_rate_high;
426 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
427 coal->rate_sample_interval = priv->sample_interval;
428 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
429 return 0;
430}
431
432static int mlx4_en_set_coalesce(struct net_device *dev,
433 struct ethtool_coalesce *coal)
434{
435 struct mlx4_en_priv *priv = netdev_priv(dev);
436
437 priv->rx_frames = (coal->rx_max_coalesced_frames ==
438 MLX4_EN_AUTO_CONF) ?
439 MLX4_EN_RX_COAL_TARGET :
440 coal->rx_max_coalesced_frames;
441 priv->rx_usecs = (coal->rx_coalesce_usecs ==
442 MLX4_EN_AUTO_CONF) ?
443 MLX4_EN_RX_COAL_TIME :
444 coal->rx_coalesce_usecs;
445
446
447 if (coal->tx_coalesce_usecs != priv->tx_usecs ||
448 coal->tx_max_coalesced_frames != priv->tx_frames) {
449 priv->tx_usecs = coal->tx_coalesce_usecs;
450 priv->tx_frames = coal->tx_max_coalesced_frames;
451 }
452
453
454 priv->pkt_rate_low = coal->pkt_rate_low;
455 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
456 priv->pkt_rate_high = coal->pkt_rate_high;
457 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
458 priv->sample_interval = coal->rate_sample_interval;
459 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
460
461 return mlx4_en_moderation_update(priv);
462}
463
464static int mlx4_en_set_pauseparam(struct net_device *dev,
465 struct ethtool_pauseparam *pause)
466{
467 struct mlx4_en_priv *priv = netdev_priv(dev);
468 struct mlx4_en_dev *mdev = priv->mdev;
469 int err;
470
471 priv->prof->tx_pause = pause->tx_pause != 0;
472 priv->prof->rx_pause = pause->rx_pause != 0;
473 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
474 priv->rx_skb_size + ETH_FCS_LEN,
475 priv->prof->tx_pause,
476 priv->prof->tx_ppp,
477 priv->prof->rx_pause,
478 priv->prof->rx_ppp);
479 if (err)
480 en_err(priv, "Failed setting pause params\n");
481
482 return err;
483}
484
485static void mlx4_en_get_pauseparam(struct net_device *dev,
486 struct ethtool_pauseparam *pause)
487{
488 struct mlx4_en_priv *priv = netdev_priv(dev);
489
490 pause->tx_pause = priv->prof->tx_pause;
491 pause->rx_pause = priv->prof->rx_pause;
492}
493
494static int mlx4_en_set_ringparam(struct net_device *dev,
495 struct ethtool_ringparam *param)
496{
497 struct mlx4_en_priv *priv = netdev_priv(dev);
498 struct mlx4_en_dev *mdev = priv->mdev;
499 u32 rx_size, tx_size;
500 int port_up = 0;
501 int err = 0;
502
503 if (param->rx_jumbo_pending || param->rx_mini_pending)
504 return -EINVAL;
505
506 rx_size = roundup_pow_of_two(param->rx_pending);
507 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
508 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
509 tx_size = roundup_pow_of_two(param->tx_pending);
510 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
511 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
512
513 if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
514 priv->rx_ring[0]->size) &&
515 tx_size == priv->tx_ring[0]->size)
516 return 0;
517
518 mutex_lock(&mdev->state_lock);
519 if (priv->port_up) {
520 port_up = 1;
521 mlx4_en_stop_port(dev, 1);
522 }
523
524 mlx4_en_free_resources(priv);
525
526 priv->prof->tx_ring_size = tx_size;
527 priv->prof->rx_ring_size = rx_size;
528
529 err = mlx4_en_alloc_resources(priv);
530 if (err) {
531 en_err(priv, "Failed reallocating port resources\n");
532 goto out;
533 }
534 if (port_up) {
535 err = mlx4_en_start_port(dev);
536 if (err)
537 en_err(priv, "Failed starting port\n");
538 }
539
540 err = mlx4_en_moderation_update(priv);
541
542out:
543 mutex_unlock(&mdev->state_lock);
544 return err;
545}
546
547static void mlx4_en_get_ringparam(struct net_device *dev,
548 struct ethtool_ringparam *param)
549{
550 struct mlx4_en_priv *priv = netdev_priv(dev);
551
552 memset(param, 0, sizeof(*param));
553 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
554 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
555 param->rx_pending = priv->port_up ?
556 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
557 param->tx_pending = priv->tx_ring[0]->size;
558}
559
560static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
561{
562 struct mlx4_en_priv *priv = netdev_priv(dev);
563
564 return priv->rx_ring_num;
565}
566
567static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
568{
569 struct mlx4_en_priv *priv = netdev_priv(dev);
570 struct mlx4_en_rss_map *rss_map = &priv->rss_map;
571 int rss_rings;
572 size_t n = priv->rx_ring_num;
573 int err = 0;
574
575 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
576
577 while (n--) {
578 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
579 rss_map->base_qpn;
580 }
581
582 return err;
583}
584
585static int mlx4_en_set_rxfh_indir(struct net_device *dev,
586 const u32 *ring_index)
587{
588 struct mlx4_en_priv *priv = netdev_priv(dev);
589 struct mlx4_en_dev *mdev = priv->mdev;
590 int port_up = 0;
591 int err = 0;
592 int i;
593 int rss_rings = 0;
594
595
596
597
598 for (i = 0; i < priv->rx_ring_num; i++) {
599 if (i > 0 && !ring_index[i] && !rss_rings)
600 rss_rings = i;
601
602 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
603 return -EINVAL;
604 }
605
606 if (!rss_rings)
607 rss_rings = priv->rx_ring_num;
608
609
610 if (!is_power_of_2(rss_rings))
611 return -EINVAL;
612
613 mutex_lock(&mdev->state_lock);
614 if (priv->port_up) {
615 port_up = 1;
616 mlx4_en_stop_port(dev, 1);
617 }
618
619 priv->prof->rss_rings = rss_rings;
620
621 if (port_up) {
622 err = mlx4_en_start_port(dev);
623 if (err)
624 en_err(priv, "Failed starting port\n");
625 }
626
627 mutex_unlock(&mdev->state_lock);
628 return err;
629}
630
631#define all_zeros_or_all_ones(field) \
632 ((field) == 0 || (field) == (__force typeof(field))-1)
633
634static int mlx4_en_validate_flow(struct net_device *dev,
635 struct ethtool_rxnfc *cmd)
636{
637 struct ethtool_usrip4_spec *l3_mask;
638 struct ethtool_tcpip4_spec *l4_mask;
639 struct ethhdr *eth_mask;
640
641 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
642 return -EINVAL;
643
644 if (cmd->fs.flow_type & FLOW_MAC_EXT) {
645
646 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
647 return -EINVAL;
648 }
649
650 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
651 case TCP_V4_FLOW:
652 case UDP_V4_FLOW:
653 if (cmd->fs.m_u.tcp_ip4_spec.tos)
654 return -EINVAL;
655 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
656
657 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
658 !all_zeros_or_all_ones(l4_mask->ip4dst) ||
659 !all_zeros_or_all_ones(l4_mask->psrc) ||
660 !all_zeros_or_all_ones(l4_mask->pdst))
661 return -EINVAL;
662 break;
663 case IP_USER_FLOW:
664 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
665 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
666 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
667 (!l3_mask->ip4src && !l3_mask->ip4dst) ||
668 !all_zeros_or_all_ones(l3_mask->ip4src) ||
669 !all_zeros_or_all_ones(l3_mask->ip4dst))
670 return -EINVAL;
671 break;
672 case ETHER_FLOW:
673 eth_mask = &cmd->fs.m_u.ether_spec;
674
675 if (!is_zero_ether_addr(eth_mask->h_source))
676 return -EINVAL;
677
678
679 if (!is_broadcast_ether_addr(eth_mask->h_dest))
680 return -EINVAL;
681
682 if (!all_zeros_or_all_ones(eth_mask->h_proto))
683 return -EINVAL;
684 break;
685 default:
686 return -EINVAL;
687 }
688
689 if ((cmd->fs.flow_type & FLOW_EXT)) {
690 if (cmd->fs.m_ext.vlan_etype ||
691 !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
692 0 ||
693 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
694 cpu_to_be16(VLAN_VID_MASK)))
695 return -EINVAL;
696
697 if (cmd->fs.m_ext.vlan_tci) {
698 if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
699 return -EINVAL;
700
701 }
702 }
703
704 return 0;
705}
706
707static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
708 struct list_head *rule_list_h,
709 struct mlx4_spec_list *spec_l2,
710 unsigned char *mac)
711{
712 int err = 0;
713 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
714
715 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
716 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
717 memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
718
719 if ((cmd->fs.flow_type & FLOW_EXT) &&
720 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
721 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
722 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
723 }
724
725 list_add_tail(&spec_l2->list, rule_list_h);
726
727 return err;
728}
729
730static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
731 struct ethtool_rxnfc *cmd,
732 struct list_head *rule_list_h,
733 struct mlx4_spec_list *spec_l2,
734 __be32 ipv4_dst)
735{
736#ifdef CONFIG_INET
737 unsigned char mac[ETH_ALEN];
738
739 if (!ipv4_is_multicast(ipv4_dst)) {
740 if (cmd->fs.flow_type & FLOW_MAC_EXT)
741 memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
742 else
743 memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
744 } else {
745 ip_eth_mc_map(ipv4_dst, mac);
746 }
747
748 return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
749#else
750 return -EINVAL;
751#endif
752}
753
754static int add_ip_rule(struct mlx4_en_priv *priv,
755 struct ethtool_rxnfc *cmd,
756 struct list_head *list_h)
757{
758 int err;
759 struct mlx4_spec_list *spec_l2 = NULL;
760 struct mlx4_spec_list *spec_l3 = NULL;
761 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
762
763 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
764 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
765 if (!spec_l2 || !spec_l3) {
766 err = -ENOMEM;
767 goto free_spec;
768 }
769
770 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
771 cmd->fs.h_u.
772 usr_ip4_spec.ip4dst);
773 if (err)
774 goto free_spec;
775 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
776 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
777 if (l3_mask->ip4src)
778 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
779 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
780 if (l3_mask->ip4dst)
781 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
782 list_add_tail(&spec_l3->list, list_h);
783
784 return 0;
785
786free_spec:
787 kfree(spec_l2);
788 kfree(spec_l3);
789 return err;
790}
791
792static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
793 struct ethtool_rxnfc *cmd,
794 struct list_head *list_h, int proto)
795{
796 int err;
797 struct mlx4_spec_list *spec_l2 = NULL;
798 struct mlx4_spec_list *spec_l3 = NULL;
799 struct mlx4_spec_list *spec_l4 = NULL;
800 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
801
802 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
803 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
804 spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
805 if (!spec_l2 || !spec_l3 || !spec_l4) {
806 err = -ENOMEM;
807 goto free_spec;
808 }
809
810 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
811
812 if (proto == TCP_V4_FLOW) {
813 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
814 spec_l2,
815 cmd->fs.h_u.
816 tcp_ip4_spec.ip4dst);
817 if (err)
818 goto free_spec;
819 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
820 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
821 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
822 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
823 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
824 } else {
825 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
826 spec_l2,
827 cmd->fs.h_u.
828 udp_ip4_spec.ip4dst);
829 if (err)
830 goto free_spec;
831 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
832 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
833 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
834 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
835 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
836 }
837
838 if (l4_mask->ip4src)
839 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
840 if (l4_mask->ip4dst)
841 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
842
843 if (l4_mask->psrc)
844 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
845 if (l4_mask->pdst)
846 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
847
848 list_add_tail(&spec_l3->list, list_h);
849 list_add_tail(&spec_l4->list, list_h);
850
851 return 0;
852
853free_spec:
854 kfree(spec_l2);
855 kfree(spec_l3);
856 kfree(spec_l4);
857 return err;
858}
859
860static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
861 struct ethtool_rxnfc *cmd,
862 struct list_head *rule_list_h)
863{
864 int err;
865 struct ethhdr *eth_spec;
866 struct mlx4_spec_list *spec_l2;
867 struct mlx4_en_priv *priv = netdev_priv(dev);
868
869 err = mlx4_en_validate_flow(dev, cmd);
870 if (err)
871 return err;
872
873 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
874 case ETHER_FLOW:
875 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
876 if (!spec_l2)
877 return -ENOMEM;
878
879 eth_spec = &cmd->fs.h_u.ether_spec;
880 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
881 ð_spec->h_dest[0]);
882 spec_l2->eth.ether_type = eth_spec->h_proto;
883 if (eth_spec->h_proto)
884 spec_l2->eth.ether_type_enable = 1;
885 break;
886 case IP_USER_FLOW:
887 err = add_ip_rule(priv, cmd, rule_list_h);
888 break;
889 case TCP_V4_FLOW:
890 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
891 break;
892 case UDP_V4_FLOW:
893 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
894 break;
895 }
896
897 return err;
898}
899
900static int mlx4_en_flow_replace(struct net_device *dev,
901 struct ethtool_rxnfc *cmd)
902{
903 int err;
904 struct mlx4_en_priv *priv = netdev_priv(dev);
905 struct ethtool_flow_id *loc_rule;
906 struct mlx4_spec_list *spec, *tmp_spec;
907 u32 qpn;
908 u64 reg_id;
909
910 struct mlx4_net_trans_rule rule = {
911 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
912 .exclusive = 0,
913 .allow_loopback = 1,
914 .promisc_mode = MLX4_FS_REGULAR,
915 };
916
917 rule.port = priv->port;
918 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
919 INIT_LIST_HEAD(&rule.list);
920
921
922 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
923 qpn = priv->drop_qp.qpn;
924 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
925 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
926 } else {
927 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
928 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
929 cmd->fs.ring_cookie);
930 return -EINVAL;
931 }
932 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
933 if (!qpn) {
934 en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
935 cmd->fs.ring_cookie);
936 return -EINVAL;
937 }
938 }
939 rule.qpn = qpn;
940 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
941 if (err)
942 goto out_free_list;
943
944 loc_rule = &priv->ethtool_rules[cmd->fs.location];
945 if (loc_rule->id) {
946 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
947 if (err) {
948 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
949 cmd->fs.location, loc_rule->id);
950 goto out_free_list;
951 }
952 loc_rule->id = 0;
953 memset(&loc_rule->flow_spec, 0,
954 sizeof(struct ethtool_rx_flow_spec));
955 list_del(&loc_rule->list);
956 }
957 err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id);
958 if (err) {
959 en_err(priv, "Fail to attach network rule at location %d.\n",
960 cmd->fs.location);
961 goto out_free_list;
962 }
963 loc_rule->id = reg_id;
964 memcpy(&loc_rule->flow_spec, &cmd->fs,
965 sizeof(struct ethtool_rx_flow_spec));
966 list_add_tail(&loc_rule->list, &priv->ethtool_list);
967
968out_free_list:
969 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
970 list_del(&spec->list);
971 kfree(spec);
972 }
973 return err;
974}
975
976static int mlx4_en_flow_detach(struct net_device *dev,
977 struct ethtool_rxnfc *cmd)
978{
979 int err = 0;
980 struct ethtool_flow_id *rule;
981 struct mlx4_en_priv *priv = netdev_priv(dev);
982
983 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
984 return -EINVAL;
985
986 rule = &priv->ethtool_rules[cmd->fs.location];
987 if (!rule->id) {
988 err = -ENOENT;
989 goto out;
990 }
991
992 err = mlx4_flow_detach(priv->mdev->dev, rule->id);
993 if (err) {
994 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
995 cmd->fs.location, rule->id);
996 goto out;
997 }
998 rule->id = 0;
999 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1000 list_del(&rule->list);
1001out:
1002 return err;
1003
1004}
1005
1006static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1007 int loc)
1008{
1009 int err = 0;
1010 struct ethtool_flow_id *rule;
1011 struct mlx4_en_priv *priv = netdev_priv(dev);
1012
1013 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1014 return -EINVAL;
1015
1016 rule = &priv->ethtool_rules[loc];
1017 if (rule->id)
1018 memcpy(&cmd->fs, &rule->flow_spec,
1019 sizeof(struct ethtool_rx_flow_spec));
1020 else
1021 err = -ENOENT;
1022
1023 return err;
1024}
1025
1026static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1027{
1028
1029 int i, res = 0;
1030 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1031 if (priv->ethtool_rules[i].id)
1032 res++;
1033 }
1034 return res;
1035
1036}
1037
1038static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1039 u32 *rule_locs)
1040{
1041 struct mlx4_en_priv *priv = netdev_priv(dev);
1042 struct mlx4_en_dev *mdev = priv->mdev;
1043 int err = 0;
1044 int i = 0, priority = 0;
1045
1046 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1047 cmd->cmd == ETHTOOL_GRXCLSRULE ||
1048 cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1049 (mdev->dev->caps.steering_mode !=
1050 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1051 return -EINVAL;
1052
1053 switch (cmd->cmd) {
1054 case ETHTOOL_GRXRINGS:
1055 cmd->data = priv->rx_ring_num;
1056 break;
1057 case ETHTOOL_GRXCLSRLCNT:
1058 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1059 break;
1060 case ETHTOOL_GRXCLSRULE:
1061 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1062 break;
1063 case ETHTOOL_GRXCLSRLALL:
1064 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1065 err = mlx4_en_get_flow(dev, cmd, i);
1066 if (!err)
1067 rule_locs[priority++] = i;
1068 i++;
1069 }
1070 err = 0;
1071 break;
1072 default:
1073 err = -EOPNOTSUPP;
1074 break;
1075 }
1076
1077 return err;
1078}
1079
1080static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1081{
1082 int err = 0;
1083 struct mlx4_en_priv *priv = netdev_priv(dev);
1084 struct mlx4_en_dev *mdev = priv->mdev;
1085
1086 if (mdev->dev->caps.steering_mode !=
1087 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1088 return -EINVAL;
1089
1090 switch (cmd->cmd) {
1091 case ETHTOOL_SRXCLSRLINS:
1092 err = mlx4_en_flow_replace(dev, cmd);
1093 break;
1094 case ETHTOOL_SRXCLSRLDEL:
1095 err = mlx4_en_flow_detach(dev, cmd);
1096 break;
1097 default:
1098 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1099 return -EINVAL;
1100 }
1101
1102 return err;
1103}
1104
1105static void mlx4_en_get_channels(struct net_device *dev,
1106 struct ethtool_channels *channel)
1107{
1108 struct mlx4_en_priv *priv = netdev_priv(dev);
1109
1110 memset(channel, 0, sizeof(*channel));
1111
1112 channel->max_rx = MAX_RX_RINGS;
1113 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1114
1115 channel->rx_count = priv->rx_ring_num;
1116 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1117}
1118
1119static int mlx4_en_set_channels(struct net_device *dev,
1120 struct ethtool_channels *channel)
1121{
1122 struct mlx4_en_priv *priv = netdev_priv(dev);
1123 struct mlx4_en_dev *mdev = priv->mdev;
1124 int port_up;
1125 int err = 0;
1126
1127 if (channel->other_count || channel->combined_count ||
1128 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1129 channel->rx_count > MAX_RX_RINGS ||
1130 !channel->tx_count || !channel->rx_count)
1131 return -EINVAL;
1132
1133 mutex_lock(&mdev->state_lock);
1134 if (priv->port_up) {
1135 port_up = 1;
1136 mlx4_en_stop_port(dev, 1);
1137 }
1138
1139 mlx4_en_free_resources(priv);
1140
1141 priv->num_tx_rings_p_up = channel->tx_count;
1142 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1143 priv->rx_ring_num = channel->rx_count;
1144
1145 err = mlx4_en_alloc_resources(priv);
1146 if (err) {
1147 en_err(priv, "Failed reallocating port resources\n");
1148 goto out;
1149 }
1150
1151 netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1152 netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1153
1154 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1155
1156 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1157 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1158
1159 if (port_up) {
1160 err = mlx4_en_start_port(dev);
1161 if (err)
1162 en_err(priv, "Failed starting port\n");
1163 }
1164
1165 err = mlx4_en_moderation_update(priv);
1166
1167out:
1168 mutex_unlock(&mdev->state_lock);
1169 return err;
1170}
1171
1172static int mlx4_en_get_ts_info(struct net_device *dev,
1173 struct ethtool_ts_info *info)
1174{
1175 struct mlx4_en_priv *priv = netdev_priv(dev);
1176 struct mlx4_en_dev *mdev = priv->mdev;
1177 int ret;
1178
1179 ret = ethtool_op_get_ts_info(dev, info);
1180 if (ret)
1181 return ret;
1182
1183 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1184 info->so_timestamping |=
1185 SOF_TIMESTAMPING_TX_HARDWARE |
1186 SOF_TIMESTAMPING_RX_HARDWARE |
1187 SOF_TIMESTAMPING_RAW_HARDWARE;
1188
1189 info->tx_types =
1190 (1 << HWTSTAMP_TX_OFF) |
1191 (1 << HWTSTAMP_TX_ON);
1192
1193 info->rx_filters =
1194 (1 << HWTSTAMP_FILTER_NONE) |
1195 (1 << HWTSTAMP_FILTER_ALL);
1196
1197 if (mdev->ptp_clock)
1198 info->phc_index = ptp_clock_index(mdev->ptp_clock);
1199 }
1200
1201 return ret;
1202}
1203
1204const struct ethtool_ops mlx4_en_ethtool_ops = {
1205 .get_drvinfo = mlx4_en_get_drvinfo,
1206 .get_settings = mlx4_en_get_settings,
1207 .set_settings = mlx4_en_set_settings,
1208 .get_link = ethtool_op_get_link,
1209 .get_strings = mlx4_en_get_strings,
1210 .get_sset_count = mlx4_en_get_sset_count,
1211 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1212 .self_test = mlx4_en_self_test,
1213 .get_wol = mlx4_en_get_wol,
1214 .set_wol = mlx4_en_set_wol,
1215 .get_msglevel = mlx4_en_get_msglevel,
1216 .set_msglevel = mlx4_en_set_msglevel,
1217 .get_coalesce = mlx4_en_get_coalesce,
1218 .set_coalesce = mlx4_en_set_coalesce,
1219 .get_pauseparam = mlx4_en_get_pauseparam,
1220 .set_pauseparam = mlx4_en_set_pauseparam,
1221 .get_ringparam = mlx4_en_get_ringparam,
1222 .set_ringparam = mlx4_en_set_ringparam,
1223 .get_rxnfc = mlx4_en_get_rxnfc,
1224 .set_rxnfc = mlx4_en_set_rxnfc,
1225 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1226 .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1227 .set_rxfh_indir = mlx4_en_set_rxfh_indir,
1228 .get_channels = mlx4_en_get_channels,
1229 .set_channels = mlx4_en_set_channels,
1230 .get_ts_info = mlx4_en_get_ts_info,
1231};
1232
1233
1234
1235
1236
1237
