1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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
41
42static 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
57static void
58mlx4_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
75static u32 mlx4_en_get_tso(struct net_device *dev)
76{
77 return (dev->features & NETIF_F_TSO) != 0;
78}
79
80static 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
93static 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
99static 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
106static 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
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
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
128static u32 mlx4_en_get_msglevel(struct net_device *dev)
129{
130 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
131}
132
133static 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
138static void mlx4_en_get_wol(struct net_device *netdev,
139 struct ethtool_wolinfo *wol)
140{
141 wol->supported = 0;
142 wol->wolopts = 0;
143
144 return;
145}
146
147static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
148{
149 struct mlx4_en_priv *priv = netdev_priv(dev);
150
151 if (sset != ETH_SS_STATS)
152 return -EOPNOTSUPP;
153
154 return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
155}
156
157static void mlx4_en_get_ethtool_stats(struct net_device *dev,
158 struct ethtool_stats *stats, uint64_t *data)
159{
160 struct mlx4_en_priv *priv = netdev_priv(dev);
161 int index = 0;
162 int i;
163
164 spin_lock_bh(&priv->stats_lock);
165
166 mlx4_en_update_lro_stats(priv);
167
168 for (i = 0; i < NUM_MAIN_STATS; i++)
169 data[index++] = ((unsigned long *) &priv->stats)[i];
170 for (i = 0; i < NUM_PORT_STATS; i++)
171 data[index++] = ((unsigned long *) &priv->port_stats)[i];
172 for (i = 0; i < priv->tx_ring_num; i++) {
173 data[index++] = priv->tx_ring[i].packets;
174 data[index++] = priv->tx_ring[i].bytes;
175 }
176 for (i = 0; i < priv->rx_ring_num; i++) {
177 data[index++] = priv->rx_ring[i].packets;
178 data[index++] = priv->rx_ring[i].bytes;
179 }
180 for (i = 0; i < NUM_PKT_STATS; i++)
181 data[index++] = ((unsigned long *) &priv->pkstats)[i];
182 spin_unlock_bh(&priv->stats_lock);
183
184}
185
186static void mlx4_en_get_strings(struct net_device *dev,
187 uint32_t stringset, uint8_t *data)
188{
189 struct mlx4_en_priv *priv = netdev_priv(dev);
190 int index = 0;
191 int i;
192
193 if (stringset != ETH_SS_STATS)
194 return;
195
196
197 for (i = 0; i < NUM_MAIN_STATS; i++)
198 strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
199 for (i = 0; i < NUM_PORT_STATS; i++)
200 strcpy(data + (index++) * ETH_GSTRING_LEN,
201 main_strings[i + NUM_MAIN_STATS]);
202 for (i = 0; i < priv->tx_ring_num; i++) {
203 sprintf(data + (index++) * ETH_GSTRING_LEN,
204 "tx%d_packets", i);
205 sprintf(data + (index++) * ETH_GSTRING_LEN,
206 "tx%d_bytes", i);
207 }
208 for (i = 0; i < priv->rx_ring_num; i++) {
209 sprintf(data + (index++) * ETH_GSTRING_LEN,
210 "rx%d_packets", i);
211 sprintf(data + (index++) * ETH_GSTRING_LEN,
212 "rx%d_bytes", i);
213 }
214 for (i = 0; i < NUM_PKT_STATS; i++)
215 strcpy(data + (index++) * ETH_GSTRING_LEN,
216 main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
217}
218
219static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
220{
221 cmd->autoneg = AUTONEG_DISABLE;
222 cmd->supported = SUPPORTED_10000baseT_Full;
223 cmd->advertising = ADVERTISED_1000baseT_Full;
224 if (netif_carrier_ok(dev)) {
225 cmd->speed = SPEED_10000;
226 cmd->duplex = DUPLEX_FULL;
227 } else {
228 cmd->speed = -1;
229 cmd->duplex = -1;
230 }
231 return 0;
232}
233
234static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
235{
236 if ((cmd->autoneg == AUTONEG_ENABLE) ||
237 (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL))
238 return -EINVAL;
239
240
241 return 0;
242}
243
244static int mlx4_en_get_coalesce(struct net_device *dev,
245 struct ethtool_coalesce *coal)
246{
247 struct mlx4_en_priv *priv = netdev_priv(dev);
248
249 coal->tx_coalesce_usecs = 0;
250 coal->tx_max_coalesced_frames = 0;
251 coal->rx_coalesce_usecs = priv->rx_usecs;
252 coal->rx_max_coalesced_frames = priv->rx_frames;
253
254 coal->pkt_rate_low = priv->pkt_rate_low;
255 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
256 coal->pkt_rate_high = priv->pkt_rate_high;
257 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
258 coal->rate_sample_interval = priv->sample_interval;
259 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
260 return 0;
261}
262
263static int mlx4_en_set_coalesce(struct net_device *dev,
264 struct ethtool_coalesce *coal)
265{
266 struct mlx4_en_priv *priv = netdev_priv(dev);
267 int err, i;
268
269 priv->rx_frames = (coal->rx_max_coalesced_frames ==
270 MLX4_EN_AUTO_CONF) ?
271 MLX4_EN_RX_COAL_TARGET :
272 coal->rx_max_coalesced_frames;
273 priv->rx_usecs = (coal->rx_coalesce_usecs ==
274 MLX4_EN_AUTO_CONF) ?
275 MLX4_EN_RX_COAL_TIME :
276 coal->rx_coalesce_usecs;
277
278
279 priv->pkt_rate_low = coal->pkt_rate_low;
280 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
281 priv->pkt_rate_high = coal->pkt_rate_high;
282 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
283 priv->sample_interval = coal->rate_sample_interval;
284 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
285 priv->last_moder_time = MLX4_EN_AUTO_CONF;
286 if (priv->adaptive_rx_coal)
287 return 0;
288
289 for (i = 0; i < priv->rx_ring_num; i++) {
290 priv->rx_cq[i].moder_cnt = priv->rx_frames;
291 priv->rx_cq[i].moder_time = priv->rx_usecs;
292 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
293 if (err)
294 return err;
295 }
296 return 0;
297}
298
299static int mlx4_en_set_pauseparam(struct net_device *dev,
300 struct ethtool_pauseparam *pause)
301{
302 struct mlx4_en_priv *priv = netdev_priv(dev);
303 struct mlx4_en_dev *mdev = priv->mdev;
304 int err;
305
306 priv->prof->tx_pause = pause->tx_pause != 0;
307 priv->prof->rx_pause = pause->rx_pause != 0;
308 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
309 priv->rx_skb_size + ETH_FCS_LEN,
310 priv->prof->tx_pause,
311 priv->prof->tx_ppp,
312 priv->prof->rx_pause,
313 priv->prof->rx_ppp);
314 if (err)
315 en_err(priv, "Failed setting pause params\n");
316
317 return err;
318}
319
320static void mlx4_en_get_pauseparam(struct net_device *dev,
321 struct ethtool_pauseparam *pause)
322{
323 struct mlx4_en_priv *priv = netdev_priv(dev);
324
325 pause->tx_pause = priv->prof->tx_pause;
326 pause->rx_pause = priv->prof->rx_pause;
327}
328
329static int mlx4_en_set_ringparam(struct net_device *dev,
330 struct ethtool_ringparam *param)
331{
332 struct mlx4_en_priv *priv = netdev_priv(dev);
333 struct mlx4_en_dev *mdev = priv->mdev;
334 u32 rx_size, tx_size;
335 int port_up = 0;
336 int err = 0;
337
338 if (param->rx_jumbo_pending || param->rx_mini_pending)
339 return -EINVAL;
340
341 rx_size = roundup_pow_of_two(param->rx_pending);
342 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
343 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
344 tx_size = roundup_pow_of_two(param->tx_pending);
345 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
346 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
347
348 if (rx_size == priv->prof->rx_ring_size &&
349 tx_size == priv->prof->tx_ring_size)
350 return 0;
351
352 mutex_lock(&mdev->state_lock);
353 if (priv->port_up) {
354 port_up = 1;
355 mlx4_en_stop_port(dev);
356 }
357
358 mlx4_en_free_resources(priv);
359
360 priv->prof->tx_ring_size = tx_size;
361 priv->prof->rx_ring_size = rx_size;
362
363 err = mlx4_en_alloc_resources(priv);
364 if (err) {
365 en_err(priv, "Failed reallocating port resources\n");
366 goto out;
367 }
368 if (port_up) {
369 err = mlx4_en_start_port(dev);
370 if (err)
371 en_err(priv, "Failed starting port\n");
372 }
373
374out:
375 mutex_unlock(&mdev->state_lock);
376 return err;
377}
378
379static void mlx4_en_get_ringparam(struct net_device *dev,
380 struct ethtool_ringparam *param)
381{
382 struct mlx4_en_priv *priv = netdev_priv(dev);
383 struct mlx4_en_dev *mdev = priv->mdev;
384
385 memset(param, 0, sizeof(*param));
386 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
387 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
388 param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
389 param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
390}
391
392const struct ethtool_ops mlx4_en_ethtool_ops = {
393 .get_drvinfo = mlx4_en_get_drvinfo,
394 .get_settings = mlx4_en_get_settings,
395 .set_settings = mlx4_en_set_settings,
396#ifdef NETIF_F_TSO
397 .get_tso = mlx4_en_get_tso,
398 .set_tso = mlx4_en_set_tso,
399#endif
400 .get_sg = ethtool_op_get_sg,
401 .set_sg = ethtool_op_set_sg,
402 .get_link = ethtool_op_get_link,
403 .get_rx_csum = mlx4_en_get_rx_csum,
404 .set_rx_csum = mlx4_en_set_rx_csum,
405 .get_tx_csum = ethtool_op_get_tx_csum,
406 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
407 .get_strings = mlx4_en_get_strings,
408 .get_sset_count = mlx4_en_get_sset_count,
409 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
410 .get_wol = mlx4_en_get_wol,
411 .get_msglevel = mlx4_en_get_msglevel,
412 .set_msglevel = mlx4_en_set_msglevel,
413 .get_coalesce = mlx4_en_get_coalesce,
414 .set_coalesce = mlx4_en_set_coalesce,
415 .get_pauseparam = mlx4_en_get_pauseparam,
416 .set_pauseparam = mlx4_en_set_pauseparam,
417 .get_ringparam = mlx4_en_get_ringparam,
418 .set_ringparam = mlx4_en_set_ringparam,
419 .get_flags = ethtool_op_get_flags,
420 .set_flags = ethtool_op_set_flags,
421};
422
423
424
425
426
427
