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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> | |
37 | ||
38 | #include "mlx4_en.h" | |
39 | #include "en_port.h" | |
40 | ||
c27a02cd YP |
41 | |
42 | static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv) | |
43 | { | |
44 | int i; | |
45 | ||
46 | priv->port_stats.lro_aggregated = 0; | |
47 | priv->port_stats.lro_flushed = 0; | |
48 | priv->port_stats.lro_no_desc = 0; | |
49 | ||
50 | for (i = 0; i < priv->rx_ring_num; i++) { | |
51 | priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated; | |
52 | priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed; | |
53 | priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc; | |
54 | } | |
55 | } | |
56 | ||
57 | static void | |
58 | mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) | |
59 | { | |
60 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
61 | struct mlx4_en_dev *mdev = priv->mdev; | |
62 | ||
63 | sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id); | |
64 | strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32); | |
65 | sprintf(drvinfo->fw_version, "%d.%d.%d", | |
66 | (u16) (mdev->dev->caps.fw_ver >> 32), | |
67 | (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff), | |
68 | (u16) (mdev->dev->caps.fw_ver & 0xffff)); | |
69 | strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32); | |
70 | drvinfo->n_stats = 0; | |
71 | drvinfo->regdump_len = 0; | |
72 | drvinfo->eedump_len = 0; | |
73 | } | |
74 | ||
75 | static u32 mlx4_en_get_tso(struct net_device *dev) | |
76 | { | |
77 | return (dev->features & NETIF_F_TSO) != 0; | |
78 | } | |
79 | ||
80 | static int mlx4_en_set_tso(struct net_device *dev, u32 data) | |
81 | { | |
82 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
83 | ||
84 | if (data) { | |
85 | if (!priv->mdev->LSO_support) | |
86 | return -EPERM; | |
87 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO6); | |
88 | } else | |
89 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static u32 mlx4_en_get_rx_csum(struct net_device *dev) | |
94 | { | |
95 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
96 | return priv->rx_csum; | |
97 | } | |
98 | ||
99 | static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data) | |
100 | { | |
101 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
102 | priv->rx_csum = (data != 0); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | static const char main_strings[][ETH_GSTRING_LEN] = { | |
107 | "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", | |
108 | "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", | |
109 | "rx_length_errors", "rx_over_errors", "rx_crc_errors", | |
110 | "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", | |
111 | "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", | |
112 | "tx_heartbeat_errors", "tx_window_errors", | |
113 | ||
114 | /* port statistics */ | |
115 | "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets", | |
116 | "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed", | |
117 | "rx_csum_good", "rx_csum_none", "tx_chksum_offload", | |
118 | ||
119 | /* packet statistics */ | |
120 | "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3", | |
121 | "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0", | |
122 | "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5", | |
123 | "tx_prio_6", "tx_prio_7", | |
124 | }; | |
125 | #define NUM_MAIN_STATS 21 | |
126 | #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS) | |
127 | ||
128 | static u32 mlx4_en_get_msglevel(struct net_device *dev) | |
129 | { | |
130 | return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable; | |
131 | } | |
132 | ||
133 | static void mlx4_en_set_msglevel(struct net_device *dev, u32 val) | |
134 | { | |
135 | ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val; | |
136 | } | |
137 | ||
138 | static void mlx4_en_get_wol(struct net_device *netdev, | |
139 | struct ethtool_wolinfo *wol) | |
140 | { | |
141 | wol->supported = 0; | |
142 | wol->wolopts = 0; | |
c27a02cd YP |
143 | } |
144 | ||
145 | static int mlx4_en_get_sset_count(struct net_device *dev, int sset) | |
146 | { | |
147 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
148 | ||
149 | if (sset != ETH_SS_STATS) | |
150 | return -EOPNOTSUPP; | |
151 | ||
152 | return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2; | |
153 | } | |
154 | ||
155 | static void mlx4_en_get_ethtool_stats(struct net_device *dev, | |
156 | struct ethtool_stats *stats, uint64_t *data) | |
157 | { | |
158 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
159 | int index = 0; | |
160 | int i; | |
161 | ||
162 | spin_lock_bh(&priv->stats_lock); | |
163 | ||
164 | mlx4_en_update_lro_stats(priv); | |
165 | ||
166 | for (i = 0; i < NUM_MAIN_STATS; i++) | |
167 | data[index++] = ((unsigned long *) &priv->stats)[i]; | |
168 | for (i = 0; i < NUM_PORT_STATS; i++) | |
169 | data[index++] = ((unsigned long *) &priv->port_stats)[i]; | |
170 | for (i = 0; i < priv->tx_ring_num; i++) { | |
171 | data[index++] = priv->tx_ring[i].packets; | |
172 | data[index++] = priv->tx_ring[i].bytes; | |
173 | } | |
174 | for (i = 0; i < priv->rx_ring_num; i++) { | |
175 | data[index++] = priv->rx_ring[i].packets; | |
176 | data[index++] = priv->rx_ring[i].bytes; | |
177 | } | |
178 | for (i = 0; i < NUM_PKT_STATS; i++) | |
179 | data[index++] = ((unsigned long *) &priv->pkstats)[i]; | |
180 | spin_unlock_bh(&priv->stats_lock); | |
181 | ||
182 | } | |
183 | ||
184 | static void mlx4_en_get_strings(struct net_device *dev, | |
185 | uint32_t stringset, uint8_t *data) | |
186 | { | |
187 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
188 | int index = 0; | |
189 | int i; | |
190 | ||
191 | if (stringset != ETH_SS_STATS) | |
192 | return; | |
193 | ||
194 | /* Add main counters */ | |
195 | for (i = 0; i < NUM_MAIN_STATS; i++) | |
196 | strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]); | |
197 | for (i = 0; i < NUM_PORT_STATS; i++) | |
198 | strcpy(data + (index++) * ETH_GSTRING_LEN, | |
199 | main_strings[i + NUM_MAIN_STATS]); | |
200 | for (i = 0; i < priv->tx_ring_num; i++) { | |
201 | sprintf(data + (index++) * ETH_GSTRING_LEN, | |
202 | "tx%d_packets", i); | |
203 | sprintf(data + (index++) * ETH_GSTRING_LEN, | |
204 | "tx%d_bytes", i); | |
205 | } | |
206 | for (i = 0; i < priv->rx_ring_num; i++) { | |
207 | sprintf(data + (index++) * ETH_GSTRING_LEN, | |
208 | "rx%d_packets", i); | |
209 | sprintf(data + (index++) * ETH_GSTRING_LEN, | |
210 | "rx%d_bytes", i); | |
211 | } | |
212 | for (i = 0; i < NUM_PKT_STATS; i++) | |
213 | strcpy(data + (index++) * ETH_GSTRING_LEN, | |
214 | main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]); | |
215 | } | |
216 | ||
217 | static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
218 | { | |
219 | cmd->autoneg = AUTONEG_DISABLE; | |
220 | cmd->supported = SUPPORTED_10000baseT_Full; | |
86669530 | 221 | cmd->advertising = ADVERTISED_1000baseT_Full; |
c27a02cd YP |
222 | if (netif_carrier_ok(dev)) { |
223 | cmd->speed = SPEED_10000; | |
224 | cmd->duplex = DUPLEX_FULL; | |
225 | } else { | |
226 | cmd->speed = -1; | |
227 | cmd->duplex = -1; | |
228 | } | |
229 | return 0; | |
230 | } | |
231 | ||
232 | static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
233 | { | |
234 | if ((cmd->autoneg == AUTONEG_ENABLE) || | |
235 | (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL)) | |
236 | return -EINVAL; | |
237 | ||
238 | /* Nothing to change */ | |
239 | return 0; | |
240 | } | |
241 | ||
242 | static int mlx4_en_get_coalesce(struct net_device *dev, | |
243 | struct ethtool_coalesce *coal) | |
244 | { | |
245 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
246 | ||
247 | coal->tx_coalesce_usecs = 0; | |
248 | coal->tx_max_coalesced_frames = 0; | |
249 | coal->rx_coalesce_usecs = priv->rx_usecs; | |
250 | coal->rx_max_coalesced_frames = priv->rx_frames; | |
251 | ||
252 | coal->pkt_rate_low = priv->pkt_rate_low; | |
253 | coal->rx_coalesce_usecs_low = priv->rx_usecs_low; | |
254 | coal->pkt_rate_high = priv->pkt_rate_high; | |
255 | coal->rx_coalesce_usecs_high = priv->rx_usecs_high; | |
256 | coal->rate_sample_interval = priv->sample_interval; | |
257 | coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; | |
258 | return 0; | |
259 | } | |
260 | ||
261 | static int mlx4_en_set_coalesce(struct net_device *dev, | |
262 | struct ethtool_coalesce *coal) | |
263 | { | |
264 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
265 | int err, i; | |
266 | ||
267 | priv->rx_frames = (coal->rx_max_coalesced_frames == | |
268 | MLX4_EN_AUTO_CONF) ? | |
3db36fb2 | 269 | MLX4_EN_RX_COAL_TARGET : |
c27a02cd YP |
270 | coal->rx_max_coalesced_frames; |
271 | priv->rx_usecs = (coal->rx_coalesce_usecs == | |
272 | MLX4_EN_AUTO_CONF) ? | |
273 | MLX4_EN_RX_COAL_TIME : | |
274 | coal->rx_coalesce_usecs; | |
275 | ||
276 | /* Set adaptive coalescing params */ | |
277 | priv->pkt_rate_low = coal->pkt_rate_low; | |
278 | priv->rx_usecs_low = coal->rx_coalesce_usecs_low; | |
279 | priv->pkt_rate_high = coal->pkt_rate_high; | |
280 | priv->rx_usecs_high = coal->rx_coalesce_usecs_high; | |
281 | priv->sample_interval = coal->rate_sample_interval; | |
282 | priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; | |
283 | priv->last_moder_time = MLX4_EN_AUTO_CONF; | |
284 | if (priv->adaptive_rx_coal) | |
285 | return 0; | |
286 | ||
287 | for (i = 0; i < priv->rx_ring_num; i++) { | |
288 | priv->rx_cq[i].moder_cnt = priv->rx_frames; | |
289 | priv->rx_cq[i].moder_time = priv->rx_usecs; | |
290 | err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); | |
291 | if (err) | |
292 | return err; | |
293 | } | |
294 | return 0; | |
295 | } | |
296 | ||
297 | static int mlx4_en_set_pauseparam(struct net_device *dev, | |
298 | struct ethtool_pauseparam *pause) | |
299 | { | |
300 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
301 | struct mlx4_en_dev *mdev = priv->mdev; | |
302 | int err; | |
303 | ||
d53b93f2 YP |
304 | priv->prof->tx_pause = pause->tx_pause != 0; |
305 | priv->prof->rx_pause = pause->rx_pause != 0; | |
c27a02cd YP |
306 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, |
307 | priv->rx_skb_size + ETH_FCS_LEN, | |
d53b93f2 YP |
308 | priv->prof->tx_pause, |
309 | priv->prof->tx_ppp, | |
310 | priv->prof->rx_pause, | |
311 | priv->prof->rx_ppp); | |
c27a02cd | 312 | if (err) |
453a6082 | 313 | en_err(priv, "Failed setting pause params\n"); |
c27a02cd YP |
314 | |
315 | return err; | |
316 | } | |
317 | ||
318 | static void mlx4_en_get_pauseparam(struct net_device *dev, | |
319 | struct ethtool_pauseparam *pause) | |
320 | { | |
321 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
c27a02cd | 322 | |
d53b93f2 YP |
323 | pause->tx_pause = priv->prof->tx_pause; |
324 | pause->rx_pause = priv->prof->rx_pause; | |
c27a02cd YP |
325 | } |
326 | ||
18cc42a3 YP |
327 | static int mlx4_en_set_ringparam(struct net_device *dev, |
328 | struct ethtool_ringparam *param) | |
329 | { | |
330 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
331 | struct mlx4_en_dev *mdev = priv->mdev; | |
332 | u32 rx_size, tx_size; | |
333 | int port_up = 0; | |
334 | int err = 0; | |
335 | ||
336 | if (param->rx_jumbo_pending || param->rx_mini_pending) | |
337 | return -EINVAL; | |
338 | ||
339 | rx_size = roundup_pow_of_two(param->rx_pending); | |
340 | rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); | |
bd531e36 | 341 | rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); |
18cc42a3 YP |
342 | tx_size = roundup_pow_of_two(param->tx_pending); |
343 | tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); | |
bd531e36 | 344 | tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); |
18cc42a3 YP |
345 | |
346 | if (rx_size == priv->prof->rx_ring_size && | |
347 | tx_size == priv->prof->tx_ring_size) | |
348 | return 0; | |
349 | ||
350 | mutex_lock(&mdev->state_lock); | |
351 | if (priv->port_up) { | |
352 | port_up = 1; | |
353 | mlx4_en_stop_port(dev); | |
354 | } | |
355 | ||
356 | mlx4_en_free_resources(priv); | |
357 | ||
358 | priv->prof->tx_ring_size = tx_size; | |
359 | priv->prof->rx_ring_size = rx_size; | |
360 | ||
361 | err = mlx4_en_alloc_resources(priv); | |
362 | if (err) { | |
453a6082 | 363 | en_err(priv, "Failed reallocating port resources\n"); |
18cc42a3 YP |
364 | goto out; |
365 | } | |
366 | if (port_up) { | |
367 | err = mlx4_en_start_port(dev); | |
368 | if (err) | |
453a6082 | 369 | en_err(priv, "Failed starting port\n"); |
18cc42a3 YP |
370 | } |
371 | ||
372 | out: | |
373 | mutex_unlock(&mdev->state_lock); | |
374 | return err; | |
375 | } | |
376 | ||
c27a02cd YP |
377 | static void mlx4_en_get_ringparam(struct net_device *dev, |
378 | struct ethtool_ringparam *param) | |
379 | { | |
380 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
381 | struct mlx4_en_dev *mdev = priv->mdev; | |
382 | ||
383 | memset(param, 0, sizeof(*param)); | |
bd531e36 YP |
384 | param->rx_max_pending = MLX4_EN_MAX_RX_SIZE; |
385 | param->tx_max_pending = MLX4_EN_MAX_TX_SIZE; | |
c27a02cd YP |
386 | param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size; |
387 | param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size; | |
388 | } | |
389 | ||
d2ef8590 AW |
390 | static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data) |
391 | { | |
392 | struct mlx4_en_priv *priv = netdev_priv(dev); | |
393 | struct mlx4_en_dev *mdev = priv->mdev; | |
394 | int rc = 0; | |
395 | int changed = 0; | |
396 | ||
397 | if (data & ~ETH_FLAG_LRO) | |
398 | return -EOPNOTSUPP; | |
399 | ||
400 | if (data & ETH_FLAG_LRO) { | |
d2ef8590 AW |
401 | if (!(dev->features & NETIF_F_LRO)) |
402 | changed = 1; | |
403 | } else if (dev->features & NETIF_F_LRO) { | |
404 | changed = 1; | |
405 | } | |
406 | ||
407 | if (changed) { | |
408 | if (netif_running(dev)) { | |
409 | mutex_lock(&mdev->state_lock); | |
410 | mlx4_en_stop_port(dev); | |
411 | } | |
412 | dev->features ^= NETIF_F_LRO; | |
413 | if (netif_running(dev)) { | |
414 | rc = mlx4_en_start_port(dev); | |
415 | if (rc) | |
416 | en_err(priv, "Failed to restart port\n"); | |
417 | mutex_unlock(&mdev->state_lock); | |
418 | } | |
419 | } | |
420 | ||
421 | return rc; | |
422 | } | |
423 | ||
c27a02cd YP |
424 | const struct ethtool_ops mlx4_en_ethtool_ops = { |
425 | .get_drvinfo = mlx4_en_get_drvinfo, | |
426 | .get_settings = mlx4_en_get_settings, | |
427 | .set_settings = mlx4_en_set_settings, | |
428 | #ifdef NETIF_F_TSO | |
429 | .get_tso = mlx4_en_get_tso, | |
430 | .set_tso = mlx4_en_set_tso, | |
431 | #endif | |
432 | .get_sg = ethtool_op_get_sg, | |
433 | .set_sg = ethtool_op_set_sg, | |
434 | .get_link = ethtool_op_get_link, | |
435 | .get_rx_csum = mlx4_en_get_rx_csum, | |
436 | .set_rx_csum = mlx4_en_set_rx_csum, | |
437 | .get_tx_csum = ethtool_op_get_tx_csum, | |
438 | .set_tx_csum = ethtool_op_set_tx_ipv6_csum, | |
439 | .get_strings = mlx4_en_get_strings, | |
440 | .get_sset_count = mlx4_en_get_sset_count, | |
441 | .get_ethtool_stats = mlx4_en_get_ethtool_stats, | |
442 | .get_wol = mlx4_en_get_wol, | |
443 | .get_msglevel = mlx4_en_get_msglevel, | |
444 | .set_msglevel = mlx4_en_set_msglevel, | |
445 | .get_coalesce = mlx4_en_get_coalesce, | |
446 | .set_coalesce = mlx4_en_set_coalesce, | |
447 | .get_pauseparam = mlx4_en_get_pauseparam, | |
448 | .set_pauseparam = mlx4_en_set_pauseparam, | |
449 | .get_ringparam = mlx4_en_get_ringparam, | |
18cc42a3 | 450 | .set_ringparam = mlx4_en_set_ringparam, |
c27a02cd | 451 | .get_flags = ethtool_op_get_flags, |
d2ef8590 | 452 | .set_flags = mlx4_ethtool_op_set_flags, |
c27a02cd YP |
453 | }; |
454 | ||
455 | ||
456 | ||
457 | ||
458 |