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net: ethtool: Add destination MAC address to flow steering API
[deliverable/linux.git] / drivers / net / ethernet / mellanox / mlx4 / en_ethtool.c
CommitLineData
c27a02cd
YP		 1/*
2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 *
32 */
33
34#include <linux/kernel.h>
35#include <linux/ethtool.h>
36#include <linux/netdevice.h>
af22d9de 37#include <linux/mlx4/driver.h>
c27a02cd
YP		 38
39#include "mlx4_en.h"
40#include "en_port.h"
41
82067281 42#define EN_ETHTOOL_QP_ATTACH (1ull << 63)
82067281
HHZ		 43#define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
44#define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
c27a02cd 45
79c54b6b
AV		 46static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
47{
48 int i;
49 int err = 0;
50
51 for (i = 0; i < priv->tx_ring_num; i++) {
52 priv->tx_cq[i].moder_cnt = priv->tx_frames;
53 priv->tx_cq[i].moder_time = priv->tx_usecs;
54 err = mlx4_en_set_cq_moder(priv, &priv->tx_cq[i]);
55 if (err)
56 return err;
57 }
58
59 if (priv->adaptive_rx_coal)
60 return 0;
61
62 for (i = 0; i < priv->rx_ring_num; i++) {
63 priv->rx_cq[i].moder_cnt = priv->rx_frames;
64 priv->rx_cq[i].moder_time = priv->rx_usecs;
65 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
66 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
67 if (err)
68 return err;
69 }
70
71 return err;
72}
73
c27a02cd
YP		 74static void
75mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
76{
77 struct mlx4_en_priv *priv = netdev_priv(dev);
78 struct mlx4_en_dev *mdev = priv->mdev;
79
612a94d6
RJ		 80 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
81 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
82 sizeof(drvinfo->version));
83 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
84 "%d.%d.%d",
c27a02cd
YP		 85 (u16) (mdev->dev->caps.fw_ver >> 32),
86 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
87 (u16) (mdev->dev->caps.fw_ver & 0xffff));
612a94d6
RJ		 88 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
89 sizeof(drvinfo->bus_info));
c27a02cd
YP		 90 drvinfo->n_stats = 0;
91 drvinfo->regdump_len = 0;
92 drvinfo->eedump_len = 0;
93}
94
c27a02cd
YP		 95static const char main_strings[][ETH_GSTRING_LEN] = {
96 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
97 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
98 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
99 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
100 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
101 "tx_heartbeat_errors", "tx_window_errors",
102
103 /* port statistics */
fa37a958 104 "tso_packets",
c27a02cd
YP		 105 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
106 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
107
108 /* packet statistics */
109 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
110 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
111 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
112 "tx_prio_6", "tx_prio_7",
113};
d61702f1 114#define NUM_MAIN_STATS 21
c27a02cd
YP		 115#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
116
e7c1c2c4 117static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
fd9071ec 118 "Interrupt Test",
e7c1c2c4
YP		 119 "Link Test",
120 "Speed Test",
121 "Register Test",
122 "Loopback Test",
123};
124
c27a02cd
YP		 125static u32 mlx4_en_get_msglevel(struct net_device *dev)
126{
127 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
128}
129
130static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
131{
132 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
133}
134
135static void mlx4_en_get_wol(struct net_device *netdev,
136 struct ethtool_wolinfo *wol)
137{
14c07b13
YP		 138 struct mlx4_en_priv *priv = netdev_priv(netdev);
139 int err = 0;
140 u64 config = 0;
559a9f1d 141 u64 mask;
14c07b13 142
559a9f1d
OD		 143 if ((priv->port < 1) || (priv->port > 2)) {
144 en_err(priv, "Failed to get WoL information\n");
145 return;
146 }
147
148 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
149 MLX4_DEV_CAP_FLAG_WOL_PORT2;
150
151 if (!(priv->mdev->dev->caps.flags & mask)) {
14c07b13
YP		 152 wol->supported = 0;
153 wol->wolopts = 0;
154 return;
155 }
156
157 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
158 if (err) {
159 en_err(priv, "Failed to get WoL information\n");
160 return;
161 }
162
163 if (config & MLX4_EN_WOL_MAGIC)
164 wol->supported = WAKE_MAGIC;
165 else
166 wol->supported = 0;
167
168 if (config & MLX4_EN_WOL_ENABLED)
169 wol->wolopts = WAKE_MAGIC;
170 else
171 wol->wolopts = 0;
172}
173
174static int mlx4_en_set_wol(struct net_device *netdev,
175 struct ethtool_wolinfo *wol)
176{
177 struct mlx4_en_priv *priv = netdev_priv(netdev);
178 u64 config = 0;
179 int err = 0;
559a9f1d
OD		 180 u64 mask;
181
182 if ((priv->port < 1) || (priv->port > 2))
183 return -EOPNOTSUPP;
184
185 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
186 MLX4_DEV_CAP_FLAG_WOL_PORT2;
14c07b13 187
559a9f1d 188 if (!(priv->mdev->dev->caps.flags & mask))
14c07b13
YP		 189 return -EOPNOTSUPP;
190
191 if (wol->supported & ~WAKE_MAGIC)
192 return -EINVAL;
193
194 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
195 if (err) {
196 en_err(priv, "Failed to get WoL info, unable to modify\n");
197 return err;
198 }
199
200 if (wol->wolopts & WAKE_MAGIC) {
201 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
202 MLX4_EN_WOL_MAGIC;
203 } else {
204 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
205 config |= MLX4_EN_WOL_DO_MODIFY;
206 }
207
208 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
209 if (err)
210 en_err(priv, "Failed to set WoL information\n");
211
212 return err;
c27a02cd
YP		 213}
214
215static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
216{
217 struct mlx4_en_priv *priv = netdev_priv(dev);
93ece0c1 218 int bit_count = hweight64(priv->stats_bitmap);
c27a02cd 219
e7c1c2c4
YP		 220 switch (sset) {
221 case ETH_SS_STATS:
93ece0c1 222 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
e7c1c2c4
YP		 223 (priv->tx_ring_num + priv->rx_ring_num) * 2;
224 case ETH_SS_TEST:
ccf86321
OG		 225 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
226 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
e7c1c2c4 227 default:
c27a02cd 228 return -EOPNOTSUPP;
e7c1c2c4 229 }
c27a02cd
YP		 230}
231
232static void mlx4_en_get_ethtool_stats(struct net_device *dev,
233 struct ethtool_stats *stats, uint64_t *data)
234{
235 struct mlx4_en_priv *priv = netdev_priv(dev);
236 int index = 0;
93ece0c1 237 int i, j = 0;
c27a02cd
YP		 238
239 spin_lock_bh(&priv->stats_lock);
240
93ece0c1
EE		 241 if (!(priv->stats_bitmap)) {
242 for (i = 0; i < NUM_MAIN_STATS; i++)
243 data[index++] =
244 ((unsigned long *) &priv->stats)[i];
245 for (i = 0; i < NUM_PORT_STATS; i++)
246 data[index++] =
247 ((unsigned long *) &priv->port_stats)[i];
248 for (i = 0; i < NUM_PKT_STATS; i++)
249 data[index++] =
250 ((unsigned long *) &priv->pkstats)[i];
251 } else {
252 for (i = 0; i < NUM_MAIN_STATS; i++) {
253 if ((priv->stats_bitmap >> j) & 1)
254 data[index++] =
255 ((unsigned long *) &priv->stats)[i];
256 j++;
257 }
258 for (i = 0; i < NUM_PORT_STATS; i++) {
259 if ((priv->stats_bitmap >> j) & 1)
260 data[index++] =
261 ((unsigned long *) &priv->port_stats)[i];
262 j++;
263 }
264 }
c27a02cd
YP		 265 for (i = 0; i < priv->tx_ring_num; i++) {
266 data[index++] = priv->tx_ring[i].packets;
267 data[index++] = priv->tx_ring[i].bytes;
268 }
269 for (i = 0; i < priv->rx_ring_num; i++) {
270 data[index++] = priv->rx_ring[i].packets;
271 data[index++] = priv->rx_ring[i].bytes;
272 }
c27a02cd
YP		 273 spin_unlock_bh(&priv->stats_lock);
274
275}
276
e7c1c2c4
YP		 277static void mlx4_en_self_test(struct net_device *dev,
278 struct ethtool_test *etest, u64 *buf)
279{
280 mlx4_en_ex_selftest(dev, &etest->flags, buf);
281}
282
c27a02cd
YP		 283static void mlx4_en_get_strings(struct net_device *dev,
284 uint32_t stringset, uint8_t *data)
285{
286 struct mlx4_en_priv *priv = netdev_priv(dev);
287 int index = 0;
288 int i;
289
e7c1c2c4
YP		 290 switch (stringset) {
291 case ETH_SS_TEST:
292 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
293 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
ccf86321 294 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
e7c1c2c4
YP		 295 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
296 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
297 break;
298
299 case ETH_SS_STATS:
300 /* Add main counters */
93ece0c1
EE		 301 if (!priv->stats_bitmap) {
302 for (i = 0; i < NUM_MAIN_STATS; i++)
303 strcpy(data + (index++) * ETH_GSTRING_LEN,
304 main_strings[i]);
305 for (i = 0; i < NUM_PORT_STATS; i++)
306 strcpy(data + (index++) * ETH_GSTRING_LEN,
307 main_strings[i +
308 NUM_MAIN_STATS]);
309 for (i = 0; i < NUM_PKT_STATS; i++)
310 strcpy(data + (index++) * ETH_GSTRING_LEN,
311 main_strings[i +
312 NUM_MAIN_STATS +
313 NUM_PORT_STATS]);
314 } else
315 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
316 if ((priv->stats_bitmap >> i) & 1) {
317 strcpy(data +
318 (index++) * ETH_GSTRING_LEN,
319 main_strings[i]);
320 }
321 if (!(priv->stats_bitmap >> i))
322 break;
323 }
e7c1c2c4
YP		 324 for (i = 0; i < priv->tx_ring_num; i++) {
325 sprintf(data + (index++) * ETH_GSTRING_LEN,
326 "tx%d_packets", i);
327 sprintf(data + (index++) * ETH_GSTRING_LEN,
328 "tx%d_bytes", i);
329 }
330 for (i = 0; i < priv->rx_ring_num; i++) {
331 sprintf(data + (index++) * ETH_GSTRING_LEN,
332 "rx%d_packets", i);
333 sprintf(data + (index++) * ETH_GSTRING_LEN,
334 "rx%d_bytes", i);
335 }
e7c1c2c4
YP		 336 break;
337 }
c27a02cd
YP		 338}
339
340static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
341{
7699517d
YP		 342 struct mlx4_en_priv *priv = netdev_priv(dev);
343 int trans_type;
344
c27a02cd
YP		 345 cmd->autoneg = AUTONEG_DISABLE;
346 cmd->supported = SUPPORTED_10000baseT_Full;
7699517d
YP		 347 cmd->advertising = ADVERTISED_10000baseT_Full;
348
349 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
350 return -ENOMEM;
351
352 trans_type = priv->port_state.transciver;
c27a02cd 353 if (netif_carrier_ok(dev)) {
70739497 354 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
c27a02cd
YP		 355 cmd->duplex = DUPLEX_FULL;
356 } else {
70739497 357 ethtool_cmd_speed_set(cmd, -1);
c27a02cd
YP		 358 cmd->duplex = -1;
359 }
7699517d
YP		 360
361 if (trans_type > 0 && trans_type <= 0xC) {
362 cmd->port = PORT_FIBRE;
363 cmd->transceiver = XCVR_EXTERNAL;
364 cmd->supported |= SUPPORTED_FIBRE;
365 cmd->advertising |= ADVERTISED_FIBRE;
366 } else if (trans_type == 0x80 || trans_type == 0) {
367 cmd->port = PORT_TP;
368 cmd->transceiver = XCVR_INTERNAL;
369 cmd->supported |= SUPPORTED_TP;
370 cmd->advertising |= ADVERTISED_TP;
371 } else {
372 cmd->port = -1;
373 cmd->transceiver = -1;
374 }
c27a02cd
YP		 375 return 0;
376}
377
378static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
379{
380 if ((cmd->autoneg == AUTONEG_ENABLE) ||
25db0338
DD		 381 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
382 (cmd->duplex != DUPLEX_FULL))
c27a02cd
YP		 383 return -EINVAL;
384
385 /* Nothing to change */
386 return 0;
387}
388
389static int mlx4_en_get_coalesce(struct net_device *dev,
390 struct ethtool_coalesce *coal)
391{
392 struct mlx4_en_priv *priv = netdev_priv(dev);
393
a19a848a
YP		 394 coal->tx_coalesce_usecs = priv->tx_usecs;
395 coal->tx_max_coalesced_frames = priv->tx_frames;
c27a02cd
YP		 396 coal->rx_coalesce_usecs = priv->rx_usecs;
397 coal->rx_max_coalesced_frames = priv->rx_frames;
398
399 coal->pkt_rate_low = priv->pkt_rate_low;
400 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
401 coal->pkt_rate_high = priv->pkt_rate_high;
402 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
403 coal->rate_sample_interval = priv->sample_interval;
404 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
405 return 0;
406}
407
408static int mlx4_en_set_coalesce(struct net_device *dev,
409 struct ethtool_coalesce *coal)
410{
411 struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd
YP		 412
413 priv->rx_frames = (coal->rx_max_coalesced_frames ==
414 MLX4_EN_AUTO_CONF) ?
3db36fb2 415 MLX4_EN_RX_COAL_TARGET :
c27a02cd
YP		 416 coal->rx_max_coalesced_frames;
417 priv->rx_usecs = (coal->rx_coalesce_usecs ==
418 MLX4_EN_AUTO_CONF) ?
419 MLX4_EN_RX_COAL_TIME :
420 coal->rx_coalesce_usecs;
421
a19a848a
YP		 422 /* Setting TX coalescing parameters */
423 if (coal->tx_coalesce_usecs != priv->tx_usecs ||
424 coal->tx_max_coalesced_frames != priv->tx_frames) {
425 priv->tx_usecs = coal->tx_coalesce_usecs;
426 priv->tx_frames = coal->tx_max_coalesced_frames;
a19a848a
YP		 427 }
428
c27a02cd
YP		 429 /* Set adaptive coalescing params */
430 priv->pkt_rate_low = coal->pkt_rate_low;
431 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
432 priv->pkt_rate_high = coal->pkt_rate_high;
433 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
434 priv->sample_interval = coal->rate_sample_interval;
435 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
c27a02cd 436
79c54b6b 437 return mlx4_en_moderation_update(priv);
c27a02cd
YP		 438}
439
440static int mlx4_en_set_pauseparam(struct net_device *dev,
441 struct ethtool_pauseparam *pause)
442{
443 struct mlx4_en_priv *priv = netdev_priv(dev);
444 struct mlx4_en_dev *mdev = priv->mdev;
445 int err;
446
d53b93f2
YP		 447 priv->prof->tx_pause = pause->tx_pause != 0;
448 priv->prof->rx_pause = pause->rx_pause != 0;
c27a02cd
YP		 449 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
450 priv->rx_skb_size + ETH_FCS_LEN,
d53b93f2
YP		 451 priv->prof->tx_pause,
452 priv->prof->tx_ppp,
453 priv->prof->rx_pause,
454 priv->prof->rx_ppp);
c27a02cd 455 if (err)
453a6082 456 en_err(priv, "Failed setting pause params\n");
c27a02cd
YP		 457
458 return err;
459}
460
461static void mlx4_en_get_pauseparam(struct net_device *dev,
462 struct ethtool_pauseparam *pause)
463{
464 struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd 465
d53b93f2
YP		 466 pause->tx_pause = priv->prof->tx_pause;
467 pause->rx_pause = priv->prof->rx_pause;
c27a02cd
YP		 468}
469
18cc42a3
YP		 470static int mlx4_en_set_ringparam(struct net_device *dev,
471 struct ethtool_ringparam *param)
472{
473 struct mlx4_en_priv *priv = netdev_priv(dev);
474 struct mlx4_en_dev *mdev = priv->mdev;
475 u32 rx_size, tx_size;
476 int port_up = 0;
477 int err = 0;
478
479 if (param->rx_jumbo_pending || param->rx_mini_pending)
480 return -EINVAL;
481
482 rx_size = roundup_pow_of_two(param->rx_pending);
483 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
bd531e36 484 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
18cc42a3
YP		 485 tx_size = roundup_pow_of_two(param->tx_pending);
486 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
bd531e36 487 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
18cc42a3 488
bc081cec
YP		 489 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
490 priv->rx_ring[0].size) &&
491 tx_size == priv->tx_ring[0].size)
18cc42a3
YP		 492 return 0;
493
494 mutex_lock(&mdev->state_lock);
495 if (priv->port_up) {
496 port_up = 1;
497 mlx4_en_stop_port(dev);
498 }
499
fe0af03c 500 mlx4_en_free_resources(priv);
18cc42a3
YP		 501
502 priv->prof->tx_ring_size = tx_size;
503 priv->prof->rx_ring_size = rx_size;
504
505 err = mlx4_en_alloc_resources(priv);
506 if (err) {
453a6082 507 en_err(priv, "Failed reallocating port resources\n");
18cc42a3
YP		 508 goto out;
509 }
510 if (port_up) {
511 err = mlx4_en_start_port(dev);
512 if (err)
453a6082 513 en_err(priv, "Failed starting port\n");
18cc42a3
YP		 514 }
515
79c54b6b 516 err = mlx4_en_moderation_update(priv);
6b4d8d9f 517
18cc42a3
YP		 518out:
519 mutex_unlock(&mdev->state_lock);
520 return err;
521}
522
c27a02cd
YP		 523static void mlx4_en_get_ringparam(struct net_device *dev,
524 struct ethtool_ringparam *param)
525{
526 struct mlx4_en_priv *priv = netdev_priv(dev);
c27a02cd
YP		 527
528 memset(param, 0, sizeof(*param));
bd531e36
YP		 529 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
530 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
bc081cec
YP		 531 param->rx_pending = priv->port_up ?
532 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
533 param->tx_pending = priv->tx_ring[0].size;
c27a02cd
YP		 534}
535
93d3e367
YP		 536static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
537{
538 struct mlx4_en_priv *priv = netdev_priv(dev);
539
540 return priv->rx_ring_num;
541}
542
543static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
544{
545 struct mlx4_en_priv *priv = netdev_priv(dev);
546 struct mlx4_en_rss_map *rss_map = &priv->rss_map;
547 int rss_rings;
548 size_t n = priv->rx_ring_num;
549 int err = 0;
550
551 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
552
553 while (n--) {
554 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
555 rss_map->base_qpn;
556 }
557
558 return err;
559}
560
561static int mlx4_en_set_rxfh_indir(struct net_device *dev,
562 const u32 *ring_index)
563{
564 struct mlx4_en_priv *priv = netdev_priv(dev);
565 struct mlx4_en_dev *mdev = priv->mdev;
566 int port_up = 0;
567 int err = 0;
568 int i;
569 int rss_rings = 0;
570
571 /* Calculate RSS table size and make sure flows are spread evenly
572 * between rings
573 */
574 for (i = 0; i < priv->rx_ring_num; i++) {
575 if (i > 0 && !ring_index[i] && !rss_rings)
576 rss_rings = i;
577
578 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
579 return -EINVAL;
580 }
581
582 if (!rss_rings)
583 rss_rings = priv->rx_ring_num;
584
585 /* RSS table size must be an order of 2 */
586 if (!is_power_of_2(rss_rings))
587 return -EINVAL;
588
589 mutex_lock(&mdev->state_lock);
590 if (priv->port_up) {
591 port_up = 1;
592 mlx4_en_stop_port(dev);
593 }
594
595 priv->prof->rss_rings = rss_rings;
596
597 if (port_up) {
598 err = mlx4_en_start_port(dev);
599 if (err)
600 en_err(priv, "Failed starting port\n");
601 }
602
603 mutex_unlock(&mdev->state_lock);
604 return err;
605}
606
82067281
HHZ		 607#define all_zeros_or_all_ones(field) \
608 ((field) == 0 || (field) == (__force typeof(field))-1)
609
610static int mlx4_en_validate_flow(struct net_device *dev,
611 struct ethtool_rxnfc *cmd)
612{
613 struct ethtool_usrip4_spec *l3_mask;
614 struct ethtool_tcpip4_spec *l4_mask;
615 struct ethhdr *eth_mask;
616 u64 full_mac = ~0ull;
617 u64 zero_mac = 0;
618
619 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
620 return -EINVAL;
621
622 switch (cmd->fs.flow_type & ~FLOW_EXT) {
623 case TCP_V4_FLOW:
624 case UDP_V4_FLOW:
625 if (cmd->fs.m_u.tcp_ip4_spec.tos)
626 return -EINVAL;
627 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
628 /* don't allow mask which isn't all 0 or 1 */
629 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
630 !all_zeros_or_all_ones(l4_mask->ip4dst) ||
631 !all_zeros_or_all_ones(l4_mask->psrc) ||
632 !all_zeros_or_all_ones(l4_mask->pdst))
633 return -EINVAL;
634 break;
635 case IP_USER_FLOW:
636 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
637 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
638 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
639 (!l3_mask->ip4src && !l3_mask->ip4dst) ||
640 !all_zeros_or_all_ones(l3_mask->ip4src) ||
641 !all_zeros_or_all_ones(l3_mask->ip4dst))
642 return -EINVAL;
643 break;
644 case ETHER_FLOW:
645 eth_mask = &cmd->fs.m_u.ether_spec;
646 /* source mac mask must not be set */
647 if (memcmp(eth_mask->h_source, &zero_mac, ETH_ALEN))
648 return -EINVAL;
649
650 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
651 if (memcmp(eth_mask->h_dest, &full_mac, ETH_ALEN))
652 return -EINVAL;
653
654 if (!all_zeros_or_all_ones(eth_mask->h_proto))
655 return -EINVAL;
656 break;
657 default:
658 return -EINVAL;
659 }
660
661 if ((cmd->fs.flow_type & FLOW_EXT)) {
662 if (cmd->fs.m_ext.vlan_etype ||
663 !(cmd->fs.m_ext.vlan_tci == 0 ||
664 cmd->fs.m_ext.vlan_tci == cpu_to_be16(0xfff)))
665 return -EINVAL;
666 }
667
668 return 0;
669}
670
671static int add_ip_rule(struct mlx4_en_priv *priv,
672 struct ethtool_rxnfc *cmd,
673 struct list_head *list_h)
674{
675 struct mlx4_spec_list *spec_l3;
676 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
677
678 spec_l3 = kzalloc(sizeof *spec_l3, GFP_KERNEL);
679 if (!spec_l3) {
680 en_err(priv, "Fail to alloc ethtool rule.\n");
681 return -ENOMEM;
682 }
683
684 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
685 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
686 if (l3_mask->ip4src)
687 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
688 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
689 if (l3_mask->ip4dst)
690 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
691 list_add_tail(&spec_l3->list, list_h);
692
693 return 0;
694}
695
696static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
697 struct ethtool_rxnfc *cmd,
698 struct list_head *list_h, int proto)
699{
700 struct mlx4_spec_list *spec_l3;
701 struct mlx4_spec_list *spec_l4;
702 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
703
704 spec_l3 = kzalloc(sizeof *spec_l3, GFP_KERNEL);
705 spec_l4 = kzalloc(sizeof *spec_l4, GFP_KERNEL);
706 if (!spec_l4 || !spec_l3) {
707 en_err(priv, "Fail to alloc ethtool rule.\n");
708 kfree(spec_l3);
709 kfree(spec_l4);
710 return -ENOMEM;
711 }
712
713 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
714
715 if (proto == TCP_V4_FLOW) {
716 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
717 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
718 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
719 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
720 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
721 } else {
722 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
723 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
724 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
725 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
726 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
727 }
728
729 if (l4_mask->ip4src)
730 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
731 if (l4_mask->ip4dst)
732 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
733
734 if (l4_mask->psrc)
735 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
736 if (l4_mask->pdst)
737 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
738
739 list_add_tail(&spec_l3->list, list_h);
740 list_add_tail(&spec_l4->list, list_h);
741
742 return 0;
743}
744
745static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
746 struct ethtool_rxnfc *cmd,
747 struct list_head *rule_list_h)
748{
749 int err;
750 u64 mac;
751 __be64 be_mac;
752 struct ethhdr *eth_spec;
753 struct mlx4_en_priv *priv = netdev_priv(dev);
754 struct mlx4_spec_list *spec_l2;
af22d9de 755 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
82067281
HHZ		 756
757 err = mlx4_en_validate_flow(dev, cmd);
758 if (err)
759 return err;
760
761 spec_l2 = kzalloc(sizeof *spec_l2, GFP_KERNEL);
762 if (!spec_l2)
763 return -ENOMEM;
764
af22d9de 765 mac = priv->mac & MLX4_MAC_MASK;
82067281
HHZ		 766 be_mac = cpu_to_be64(mac << 16);
767
768 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
769 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
770 if ((cmd->fs.flow_type & ~FLOW_EXT) != ETHER_FLOW)
771 memcpy(spec_l2->eth.dst_mac, &be_mac, ETH_ALEN);
772
773 if ((cmd->fs.flow_type & FLOW_EXT) && cmd->fs.m_ext.vlan_tci) {
774 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
775 spec_l2->eth.vlan_id_msk = cpu_to_be16(0xfff);
776 }
777
778 list_add_tail(&spec_l2->list, rule_list_h);
779
780 switch (cmd->fs.flow_type & ~FLOW_EXT) {
781 case ETHER_FLOW:
782 eth_spec = &cmd->fs.h_u.ether_spec;
783 memcpy(&spec_l2->eth.dst_mac, eth_spec->h_dest, ETH_ALEN);
784 spec_l2->eth.ether_type = eth_spec->h_proto;
785 if (eth_spec->h_proto)
786 spec_l2->eth.ether_type_enable = 1;
787 break;
788 case IP_USER_FLOW:
789 err = add_ip_rule(priv, cmd, rule_list_h);
790 break;
791 case TCP_V4_FLOW:
792 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
793 break;
794 case UDP_V4_FLOW:
795 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
796 break;
797 }
798
799 return err;
800}
801
802static int mlx4_en_flow_replace(struct net_device *dev,
803 struct ethtool_rxnfc *cmd)
804{
805 int err;
806 struct mlx4_en_priv *priv = netdev_priv(dev);
807 struct ethtool_flow_id *loc_rule;
808 struct mlx4_spec_list *spec, *tmp_spec;
809 u32 qpn;
810 u64 reg_id;
811
812 struct mlx4_net_trans_rule rule = {
813 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
814 .exclusive = 0,
815 .allow_loopback = 1,
816 .promisc_mode = MLX4_FS_PROMISC_NONE,
817 };
818
819 rule.port = priv->port;
820 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
821 INIT_LIST_HEAD(&rule.list);
822
823 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
824 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
cabdc8ee 825 qpn = priv->drop_qp.qpn;
82067281
HHZ		 826 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
827 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
828 } else {
829 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
830 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
831 cmd->fs.ring_cookie);
832 return -EINVAL;
833 }
834 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
835 if (!qpn) {
836 en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
837 cmd->fs.ring_cookie);
838 return -EINVAL;
839 }
840 }
841 rule.qpn = qpn;
842 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
843 if (err)
844 goto out_free_list;
845
846 loc_rule = &priv->ethtool_rules[cmd->fs.location];
847 if (loc_rule->id) {
848 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
849 if (err) {
850 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
851 cmd->fs.location, loc_rule->id);
852 goto out_free_list;
853 }
854 loc_rule->id = 0;
855 memset(&loc_rule->flow_spec, 0,
856 sizeof(struct ethtool_rx_flow_spec));
857 }
858 err = mlx4_flow_attach(priv->mdev->dev, &rule, &reg_id);
859 if (err) {
860 en_err(priv, "Fail to attach network rule at location %d.\n",
861 cmd->fs.location);
862 goto out_free_list;
863 }
864 loc_rule->id = reg_id;
865 memcpy(&loc_rule->flow_spec, &cmd->fs,
866 sizeof(struct ethtool_rx_flow_spec));
867
868out_free_list:
869 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
870 list_del(&spec->list);
871 kfree(spec);
872 }
873 return err;
874}
875
876static int mlx4_en_flow_detach(struct net_device *dev,
877 struct ethtool_rxnfc *cmd)
878{
879 int err = 0;
880 struct ethtool_flow_id *rule;
881 struct mlx4_en_priv *priv = netdev_priv(dev);
882
883 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
884 return -EINVAL;
885
886 rule = &priv->ethtool_rules[cmd->fs.location];
887 if (!rule->id) {
888 err = -ENOENT;
889 goto out;
890 }
891
892 err = mlx4_flow_detach(priv->mdev->dev, rule->id);
893 if (err) {
894 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
895 cmd->fs.location, rule->id);
896 goto out;
897 }
898 rule->id = 0;
899 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
900out:
901 return err;
902
903}
904
905static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
906 int loc)
907{
908 int err = 0;
909 struct ethtool_flow_id *rule;
910 struct mlx4_en_priv *priv = netdev_priv(dev);
911
912 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
913 return -EINVAL;
914
915 rule = &priv->ethtool_rules[loc];
916 if (rule->id)
917 memcpy(&cmd->fs, &rule->flow_spec,
918 sizeof(struct ethtool_rx_flow_spec));
919 else
920 err = -ENOENT;
921
922 return err;
923}
924
925static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
926{
927
928 int i, res = 0;
929 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
930 if (priv->ethtool_rules[i].id)
931 res++;
932 }
933 return res;
934
935}
936
93d3e367
YP		 937static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
938 u32 *rule_locs)
939{
940 struct mlx4_en_priv *priv = netdev_priv(dev);
82067281 941 struct mlx4_en_dev *mdev = priv->mdev;
93d3e367 942 int err = 0;
82067281
HHZ		 943 int i = 0, priority = 0;
944
945 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
946 cmd->cmd == ETHTOOL_GRXCLSRULE ||
947 cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
948 mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED)
949 return -EINVAL;
93d3e367
YP		 950
951 switch (cmd->cmd) {
952 case ETHTOOL_GRXRINGS:
953 cmd->data = priv->rx_ring_num;
954 break;
82067281
HHZ		 955 case ETHTOOL_GRXCLSRLCNT:
956 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
957 break;
958 case ETHTOOL_GRXCLSRULE:
959 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
960 break;
961 case ETHTOOL_GRXCLSRLALL:
962 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
963 err = mlx4_en_get_flow(dev, cmd, i);
964 if (!err)
965 rule_locs[priority++] = i;
966 i++;
967 }
968 err = 0;
969 break;
93d3e367
YP		 970 default:
971 err = -EOPNOTSUPP;
972 break;
973 }
974
975 return err;
976}
977
82067281
HHZ		 978static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
979{
980 int err = 0;
981 struct mlx4_en_priv *priv = netdev_priv(dev);
982 struct mlx4_en_dev *mdev = priv->mdev;
983
984 if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED)
985 return -EINVAL;
986
987 switch (cmd->cmd) {
988 case ETHTOOL_SRXCLSRLINS:
989 err = mlx4_en_flow_replace(dev, cmd);
990 break;
991 case ETHTOOL_SRXCLSRLDEL:
992 err = mlx4_en_flow_detach(dev, cmd);
993 break;
994 default:
995 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
996 return -EINVAL;
997 }
998
999 return err;
1000}
1001
d317966b
AV		 1002static void mlx4_en_get_channels(struct net_device *dev,
1003 struct ethtool_channels *channel)
1004{
1005 struct mlx4_en_priv *priv = netdev_priv(dev);
1006
1007 memset(channel, 0, sizeof(*channel));
1008
1009 channel->max_rx = MAX_RX_RINGS;
1010 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1011
1012 channel->rx_count = priv->rx_ring_num;
1013 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1014}
1015
1016static int mlx4_en_set_channels(struct net_device *dev,
1017 struct ethtool_channels *channel)
1018{
1019 struct mlx4_en_priv *priv = netdev_priv(dev);
1020 struct mlx4_en_dev *mdev = priv->mdev;
1021 int port_up;
1022 int err = 0;
1023
1024 if (channel->other_count || channel->combined_count ||
1025 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1026 channel->rx_count > MAX_RX_RINGS ||
1027 !channel->tx_count || !channel->rx_count)
1028 return -EINVAL;
1029
1030 mutex_lock(&mdev->state_lock);
1031 if (priv->port_up) {
1032 port_up = 1;
1033 mlx4_en_stop_port(dev);
1034 }
1035
1036 mlx4_en_free_resources(priv);
1037
1038 priv->num_tx_rings_p_up = channel->tx_count;
1039 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1040 priv->rx_ring_num = channel->rx_count;
1041
1042 err = mlx4_en_alloc_resources(priv);
1043 if (err) {
1044 en_err(priv, "Failed reallocating port resources\n");
1045 goto out;
1046 }
1047
1048 netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1049 netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1050
1051 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1052
1053 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1054 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1055
1056 if (port_up) {
1057 err = mlx4_en_start_port(dev);
1058 if (err)
1059 en_err(priv, "Failed starting port\n");
1060 }
1061
1062 err = mlx4_en_moderation_update(priv);
1063
1064out:
1065 mutex_unlock(&mdev->state_lock);
1066 return err;
1067}
1068
c27a02cd
YP		 1069const struct ethtool_ops mlx4_en_ethtool_ops = {
1070 .get_drvinfo = mlx4_en_get_drvinfo,
1071 .get_settings = mlx4_en_get_settings,
1072 .set_settings = mlx4_en_set_settings,
c27a02cd 1073 .get_link = ethtool_op_get_link,
c27a02cd
YP		 1074 .get_strings = mlx4_en_get_strings,
1075 .get_sset_count = mlx4_en_get_sset_count,
1076 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
e7c1c2c4 1077 .self_test = mlx4_en_self_test,
c27a02cd 1078 .get_wol = mlx4_en_get_wol,
14c07b13 1079 .set_wol = mlx4_en_set_wol,
c27a02cd
YP		 1080 .get_msglevel = mlx4_en_get_msglevel,
1081 .set_msglevel = mlx4_en_set_msglevel,
1082 .get_coalesce = mlx4_en_get_coalesce,
1083 .set_coalesce = mlx4_en_set_coalesce,
1084 .get_pauseparam = mlx4_en_get_pauseparam,
1085 .set_pauseparam = mlx4_en_set_pauseparam,
1086 .get_ringparam = mlx4_en_get_ringparam,
18cc42a3 1087 .set_ringparam = mlx4_en_set_ringparam,
93d3e367 1088 .get_rxnfc = mlx4_en_get_rxnfc,
82067281 1089 .set_rxnfc = mlx4_en_set_rxnfc,
93d3e367
YP		 1090 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1091 .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1092 .set_rxfh_indir = mlx4_en_set_rxfh_indir,
d317966b
AV		 1093 .get_channels = mlx4_en_get_channels,
1094 .set_channels = mlx4_en_set_channels,
c27a02cd
YP		 1095};
1096
1097
1098
1099
1100
Linux kernel - Deliverables
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