2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
35 #include "en/params.h"
36 #include "en/xsk/pool.h"
38 #include "lib/clock.h"
40 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
41 struct ethtool_drvinfo *drvinfo)
43 struct mlx5_core_dev *mdev = priv->mdev;
45 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
46 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
48 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
50 strlcpy(drvinfo->bus_info, dev_name(mdev->device),
51 sizeof(drvinfo->bus_info));
54 static void mlx5e_get_drvinfo(struct net_device *dev,
55 struct ethtool_drvinfo *drvinfo)
57 struct mlx5e_priv *priv = netdev_priv(dev);
59 mlx5e_ethtool_get_drvinfo(priv, drvinfo);
62 struct ptys2ethtool_config {
63 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
64 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
68 struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER];
70 struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER];
72 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \
74 struct ptys2ethtool_config *cfg; \
75 const unsigned int modes[] = { __VA_ARGS__ }; \
76 unsigned int i, bit, idx; \
77 cfg = &ptys2##table##_ethtool_table[reg_]; \
78 bitmap_zero(cfg->supported, \
79 __ETHTOOL_LINK_MODE_MASK_NBITS); \
80 bitmap_zero(cfg->advertised, \
81 __ETHTOOL_LINK_MODE_MASK_NBITS); \
82 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \
83 bit = modes[i] % 64; \
84 idx = modes[i] / 64; \
85 __set_bit(bit, &cfg->supported[idx]); \
86 __set_bit(bit, &cfg->advertised[idx]); \
90 void mlx5e_build_ptys2ethtool_map(void)
92 memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table));
93 memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table));
94 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy,
95 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
96 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy,
97 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
98 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy,
99 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
100 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy,
101 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
102 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy,
103 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
104 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy,
105 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
106 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy,
107 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
108 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy,
109 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
110 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy,
111 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
112 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy,
113 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
114 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy,
115 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
116 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy,
117 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
118 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy,
119 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
120 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy,
121 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
122 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy,
123 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
124 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy,
125 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
126 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy,
127 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
128 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy,
129 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
130 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy,
131 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
132 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy,
133 ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
134 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy,
135 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
136 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy,
137 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
138 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy,
139 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
140 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy,
141 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
142 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy,
143 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
144 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext,
145 ETHTOOL_LINK_MODE_100baseT_Full_BIT);
146 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext,
147 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
148 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
149 ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
150 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext,
151 ETHTOOL_LINK_MODE_5000baseT_Full_BIT);
152 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext,
153 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
154 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
155 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
156 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
157 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
158 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
159 ETHTOOL_LINK_MODE_10000baseER_Full_BIT);
160 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext,
161 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
162 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
163 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
164 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
165 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext,
166 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
167 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
168 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
169 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
171 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
172 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
173 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
174 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext,
175 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
176 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
177 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
178 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
179 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT);
180 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext,
181 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
182 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
183 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
184 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
185 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext,
186 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
187 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
188 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
189 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
190 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT);
191 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext,
192 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
193 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
194 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
195 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
196 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT);
197 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext,
198 ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
199 ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
200 ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
201 ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
202 ETHTOOL_LINK_MODE_100000baseCR_Full_BIT);
203 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext,
204 ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
205 ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
206 ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
207 ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
208 ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT);
209 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext,
210 ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
211 ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
212 ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
213 ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
214 ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT);
217 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
218 struct ptys2ethtool_config **arr,
221 bool ext = mlx5e_ptys_ext_supported(mdev);
223 *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
224 *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
225 ARRAY_SIZE(ptys2legacy_ethtool_table);
228 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
231 char name[ETH_GSTRING_LEN];
232 mlx5e_pflag_handler handler;
235 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS];
237 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
241 return mlx5e_stats_total_num(priv);
242 case ETH_SS_PRIV_FLAGS:
243 return MLX5E_NUM_PFLAGS;
245 return mlx5e_self_test_num(priv);
251 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
253 struct mlx5e_priv *priv = netdev_priv(dev);
255 return mlx5e_ethtool_get_sset_count(priv, sset);
258 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
263 case ETH_SS_PRIV_FLAGS:
264 for (i = 0; i < MLX5E_NUM_PFLAGS; i++)
265 strcpy(data + i * ETH_GSTRING_LEN,
266 mlx5e_priv_flags[i].name);
270 for (i = 0; i < mlx5e_self_test_num(priv); i++)
271 strcpy(data + i * ETH_GSTRING_LEN,
272 mlx5e_self_tests[i]);
276 mlx5e_stats_fill_strings(priv, data);
281 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
283 struct mlx5e_priv *priv = netdev_priv(dev);
285 mlx5e_ethtool_get_strings(priv, stringset, data);
288 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
289 struct ethtool_stats *stats, u64 *data)
293 mutex_lock(&priv->state_lock);
294 mlx5e_stats_update(priv);
295 mutex_unlock(&priv->state_lock);
297 mlx5e_stats_fill(priv, data, idx);
300 static void mlx5e_get_ethtool_stats(struct net_device *dev,
301 struct ethtool_stats *stats,
304 struct mlx5e_priv *priv = netdev_priv(dev);
306 mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
309 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
310 struct ethtool_ringparam *param)
312 param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE;
313 param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
314 param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames;
315 param->tx_pending = 1 << priv->channels.params.log_sq_size;
318 static void mlx5e_get_ringparam(struct net_device *dev,
319 struct ethtool_ringparam *param)
321 struct mlx5e_priv *priv = netdev_priv(dev);
323 mlx5e_ethtool_get_ringparam(priv, param);
326 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
327 struct ethtool_ringparam *param)
329 struct mlx5e_params new_params;
334 if (param->rx_jumbo_pending) {
335 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
339 if (param->rx_mini_pending) {
340 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
345 if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
346 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
347 __func__, param->rx_pending,
348 1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
352 if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
353 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
354 __func__, param->tx_pending,
355 1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
359 log_rq_size = order_base_2(param->rx_pending);
360 log_sq_size = order_base_2(param->tx_pending);
362 if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
363 log_sq_size == priv->channels.params.log_sq_size)
366 mutex_lock(&priv->state_lock);
368 new_params = priv->channels.params;
369 new_params.log_rq_mtu_frames = log_rq_size;
370 new_params.log_sq_size = log_sq_size;
372 err = mlx5e_validate_params(priv->mdev, &new_params);
376 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
379 mutex_unlock(&priv->state_lock);
384 static int mlx5e_set_ringparam(struct net_device *dev,
385 struct ethtool_ringparam *param)
387 struct mlx5e_priv *priv = netdev_priv(dev);
389 return mlx5e_ethtool_set_ringparam(priv, param);
392 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
393 struct ethtool_channels *ch)
395 mutex_lock(&priv->state_lock);
397 ch->max_combined = priv->max_nch;
398 ch->combined_count = priv->channels.params.num_channels;
399 if (priv->xsk.refcnt) {
400 /* The upper half are XSK queues. */
401 ch->max_combined *= 2;
402 ch->combined_count *= 2;
405 mutex_unlock(&priv->state_lock);
408 static void mlx5e_get_channels(struct net_device *dev,
409 struct ethtool_channels *ch)
411 struct mlx5e_priv *priv = netdev_priv(dev);
413 mlx5e_ethtool_get_channels(priv, ch);
416 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
417 struct ethtool_channels *ch)
419 struct mlx5e_params *cur_params = &priv->channels.params;
420 unsigned int count = ch->combined_count;
421 struct mlx5e_params new_params;
428 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
433 if (cur_params->num_channels == count)
436 mutex_lock(&priv->state_lock);
438 /* Don't allow changing the number of channels if there is an active
439 * XSK, because the numeration of the XSK and regular RQs will change.
441 if (priv->xsk.refcnt) {
443 netdev_err(priv->netdev, "%s: AF_XDP is active, cannot change the number of channels\n",
448 /* Don't allow changing the number of channels if HTB offload is active,
449 * because the numeration of the QoS SQs will change, while per-queue
450 * qdiscs are attached.
452 if (priv->htb.maj_id) {
454 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n",
459 /* Don't allow changing the number of channels if non-default RSS contexts exist,
460 * the kernel doesn't protect against set_channels operations that break them.
462 rss_cnt = mlx5e_rx_res_rss_cnt(priv->rx_res) - 1;
465 netdev_err(priv->netdev, "%s: Non-default RSS contexts exist (%d), cannot change the number of channels\n",
470 /* Don't allow changing the number of channels if MQPRIO mode channel offload is active,
471 * because it defines a partition over the channels queues.
473 if (cur_params->mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
475 netdev_err(priv->netdev, "%s: MQPRIO mode channel offload is active, cannot change the number of channels\n",
480 new_params = *cur_params;
481 new_params.num_channels = count;
483 opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
485 arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE);
487 mlx5e_arfs_disable(priv);
489 /* Switch to new channels, set new parameters and close old ones */
490 err = mlx5e_safe_switch_params(priv, &new_params,
491 mlx5e_num_channels_changed_ctx, NULL, true);
494 int err2 = mlx5e_arfs_enable(priv);
497 netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
502 mutex_unlock(&priv->state_lock);
507 static int mlx5e_set_channels(struct net_device *dev,
508 struct ethtool_channels *ch)
510 struct mlx5e_priv *priv = netdev_priv(dev);
512 return mlx5e_ethtool_set_channels(priv, ch);
515 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
516 struct ethtool_coalesce *coal)
518 struct dim_cq_moder *rx_moder, *tx_moder;
520 if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
523 rx_moder = &priv->channels.params.rx_cq_moderation;
524 coal->rx_coalesce_usecs = rx_moder->usec;
525 coal->rx_max_coalesced_frames = rx_moder->pkts;
526 coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled;
528 tx_moder = &priv->channels.params.tx_cq_moderation;
529 coal->tx_coalesce_usecs = tx_moder->usec;
530 coal->tx_max_coalesced_frames = tx_moder->pkts;
531 coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled;
536 static int mlx5e_get_coalesce(struct net_device *netdev,
537 struct ethtool_coalesce *coal,
538 struct kernel_ethtool_coalesce *kernel_coal,
539 struct netlink_ext_ack *extack)
541 struct mlx5e_priv *priv = netdev_priv(netdev);
543 return mlx5e_ethtool_get_coalesce(priv, coal);
546 #define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD
547 #define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT
550 mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
552 struct mlx5_core_dev *mdev = priv->mdev;
556 for (i = 0; i < priv->channels.num; ++i) {
557 struct mlx5e_channel *c = priv->channels.c[i];
559 for (tc = 0; tc < c->num_tc; tc++) {
560 mlx5_core_modify_cq_moderation(mdev,
562 coal->tx_coalesce_usecs,
563 coal->tx_max_coalesced_frames);
569 mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
571 struct mlx5_core_dev *mdev = priv->mdev;
574 for (i = 0; i < priv->channels.num; ++i) {
575 struct mlx5e_channel *c = priv->channels.c[i];
577 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
578 coal->rx_coalesce_usecs,
579 coal->rx_max_coalesced_frames);
583 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
584 struct ethtool_coalesce *coal)
586 struct dim_cq_moder *rx_moder, *tx_moder;
587 struct mlx5_core_dev *mdev = priv->mdev;
588 struct mlx5e_params new_params;
589 bool reset_rx, reset_tx;
593 if (!MLX5_CAP_GEN(mdev, cq_moderation))
596 if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
597 coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
598 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
599 __func__, MLX5E_MAX_COAL_TIME);
603 if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
604 coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
605 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
606 __func__, MLX5E_MAX_COAL_FRAMES);
610 mutex_lock(&priv->state_lock);
611 new_params = priv->channels.params;
613 rx_moder = &new_params.rx_cq_moderation;
614 rx_moder->usec = coal->rx_coalesce_usecs;
615 rx_moder->pkts = coal->rx_max_coalesced_frames;
616 new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
618 tx_moder = &new_params.tx_cq_moderation;
619 tx_moder->usec = coal->tx_coalesce_usecs;
620 tx_moder->pkts = coal->tx_max_coalesced_frames;
621 new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
623 reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
624 reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
627 u8 mode = MLX5E_GET_PFLAG(&new_params,
628 MLX5E_PFLAG_RX_CQE_BASED_MODER);
630 mlx5e_reset_rx_moderation(&new_params, mode);
633 u8 mode = MLX5E_GET_PFLAG(&new_params,
634 MLX5E_PFLAG_TX_CQE_BASED_MODER);
636 mlx5e_reset_tx_moderation(&new_params, mode);
639 /* If DIM state hasn't changed, it's possible to modify interrupt
640 * moderation parameters on the fly, even if the channels are open.
642 if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
643 if (!coal->use_adaptive_rx_coalesce)
644 mlx5e_set_priv_channels_rx_coalesce(priv, coal);
645 if (!coal->use_adaptive_tx_coalesce)
646 mlx5e_set_priv_channels_tx_coalesce(priv, coal);
650 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset);
652 mutex_unlock(&priv->state_lock);
656 static int mlx5e_set_coalesce(struct net_device *netdev,
657 struct ethtool_coalesce *coal,
658 struct kernel_ethtool_coalesce *kernel_coal,
659 struct netlink_ext_ack *extack)
661 struct mlx5e_priv *priv = netdev_priv(netdev);
663 return mlx5e_ethtool_set_coalesce(priv, coal);
666 static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
667 unsigned long *supported_modes,
670 unsigned long proto_cap = eth_proto_cap;
671 struct ptys2ethtool_config *table;
675 mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
676 for_each_set_bit(proto, &proto_cap, max_size)
677 bitmap_or(supported_modes, supported_modes,
678 table[proto].supported,
679 __ETHTOOL_LINK_MODE_MASK_NBITS);
682 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
683 u32 eth_proto_cap, bool ext)
685 unsigned long proto_cap = eth_proto_cap;
686 struct ptys2ethtool_config *table;
690 table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
691 max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
692 ARRAY_SIZE(ptys2legacy_ethtool_table);
694 for_each_set_bit(proto, &proto_cap, max_size)
695 bitmap_or(advertising_modes, advertising_modes,
696 table[proto].advertised,
697 __ETHTOOL_LINK_MODE_MASK_NBITS);
700 static const u32 pplm_fec_2_ethtool[] = {
701 [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
702 [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
703 [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
704 [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS,
705 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS,
708 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
713 return ETHTOOL_FEC_AUTO;
715 mode = find_first_bit(&fec_mode, size);
717 if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
718 return pplm_fec_2_ethtool[mode];
723 #define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \
725 if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \
726 __set_bit(ethtool_fec, \
727 link_ksettings->link_modes.supported);\
730 static const u32 pplm_fec_2_ethtool_linkmodes[] = {
731 [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT,
732 [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT,
733 [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
734 [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
735 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
738 static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
739 struct ethtool_link_ksettings *link_ksettings)
741 unsigned long active_fec_long;
746 err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
748 return (err == -EOPNOTSUPP) ? 0 : err;
750 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC,
751 ETHTOOL_LINK_MODE_FEC_NONE_BIT);
752 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE,
753 ETHTOOL_LINK_MODE_FEC_BASER_BIT);
754 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514,
755 ETHTOOL_LINK_MODE_FEC_RS_BIT);
756 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
757 ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
759 active_fec_long = active_fec;
760 /* active fec is a bit set, find out which bit is set and
761 * advertise the corresponding ethtool bit
763 bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
764 if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
765 __set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
766 link_ksettings->link_modes.advertising);
771 static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev,
772 struct ethtool_link_ksettings *link_ksettings,
773 u32 eth_proto_cap, u8 connector_type)
775 if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) {
776 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
777 | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
778 | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
779 | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
780 | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
781 | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
782 ethtool_link_ksettings_add_link_mode(link_ksettings,
785 ethtool_link_ksettings_add_link_mode(link_ksettings,
790 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
791 | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
792 | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
793 | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
794 | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
795 ethtool_link_ksettings_add_link_mode(link_ksettings,
798 ethtool_link_ksettings_add_link_mode(link_ksettings,
805 switch (connector_type) {
807 ethtool_link_ksettings_add_link_mode(link_ksettings,
809 ethtool_link_ksettings_add_link_mode(link_ksettings,
813 ethtool_link_ksettings_add_link_mode(link_ksettings,
815 ethtool_link_ksettings_add_link_mode(link_ksettings,
819 ethtool_link_ksettings_add_link_mode(link_ksettings,
821 ethtool_link_ksettings_add_link_mode(link_ksettings,
825 ethtool_link_ksettings_add_link_mode(link_ksettings,
827 ethtool_link_ksettings_add_link_mode(link_ksettings,
830 case MLX5E_PORT_FIBRE:
831 ethtool_link_ksettings_add_link_mode(link_ksettings,
833 ethtool_link_ksettings_add_link_mode(link_ksettings,
837 ethtool_link_ksettings_add_link_mode(link_ksettings,
838 supported, Backplane);
839 ethtool_link_ksettings_add_link_mode(link_ksettings,
840 advertising, Backplane);
842 case MLX5E_PORT_NONE:
843 case MLX5E_PORT_OTHER:
849 static void get_speed_duplex(struct net_device *netdev,
850 u32 eth_proto_oper, bool force_legacy,
852 struct ethtool_link_ksettings *link_ksettings)
854 struct mlx5e_priv *priv = netdev_priv(netdev);
855 u32 speed = SPEED_UNKNOWN;
856 u8 duplex = DUPLEX_UNKNOWN;
858 if (!netif_carrier_ok(netdev))
861 speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
864 speed = 100 * data_rate_oper;
866 speed = SPEED_UNKNOWN;
870 duplex = DUPLEX_FULL;
873 link_ksettings->base.speed = speed;
874 link_ksettings->base.duplex = duplex;
877 static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
878 struct ethtool_link_ksettings *link_ksettings)
880 unsigned long *supported = link_ksettings->link_modes.supported;
881 ptys2ethtool_supported_link(mdev, supported, eth_proto_cap);
883 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
886 static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause,
887 struct ethtool_link_ksettings *link_ksettings,
890 unsigned long *advertising = link_ksettings->link_modes.advertising;
891 ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
894 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
895 if (tx_pause ^ rx_pause)
896 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
899 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
900 [MLX5E_PORT_UNKNOWN] = PORT_OTHER,
901 [MLX5E_PORT_NONE] = PORT_NONE,
902 [MLX5E_PORT_TP] = PORT_TP,
903 [MLX5E_PORT_AUI] = PORT_AUI,
904 [MLX5E_PORT_BNC] = PORT_BNC,
905 [MLX5E_PORT_MII] = PORT_MII,
906 [MLX5E_PORT_FIBRE] = PORT_FIBRE,
907 [MLX5E_PORT_DA] = PORT_DA,
908 [MLX5E_PORT_OTHER] = PORT_OTHER,
911 static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type)
913 if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
914 return ptys2connector_type[connector_type];
917 (MLX5E_PROT_MASK(MLX5E_10GBASE_SR) |
918 MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) |
919 MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
920 MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
925 (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
926 MLX5E_PROT_MASK(MLX5E_10GBASE_CR) |
927 MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
932 (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
933 MLX5E_PROT_MASK(MLX5E_10GBASE_KR) |
934 MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
935 MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
942 static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
943 struct ethtool_link_ksettings *link_ksettings)
945 unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
946 bool ext = mlx5e_ptys_ext_supported(mdev);
948 ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
951 int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
952 struct ethtool_link_ksettings *link_ksettings)
954 struct mlx5_core_dev *mdev = priv->mdev;
955 u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {};
970 err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
972 netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
976 ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
977 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
978 eth_proto_capability);
979 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
981 /* Fields: eth_proto_admin and ext_eth_proto_admin are
982 * mutually exclusive. Hence try reading legacy advertising
983 * when extended advertising is zero.
984 * admin_ext indicates which proto_admin (ext vs. legacy)
985 * should be read and interpreted
988 if (ext && !eth_proto_admin) {
989 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
994 eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
996 eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
997 an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
998 an_status = MLX5_GET(ptys_reg, out, an_status);
999 connector_type = MLX5_GET(ptys_reg, out, connector_type);
1000 data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper);
1002 mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
1004 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
1005 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
1007 get_supported(mdev, eth_proto_cap, link_ksettings);
1008 get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
1010 get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
1011 data_rate_oper, link_ksettings);
1013 eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
1014 connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ?
1015 connector_type : MLX5E_PORT_UNKNOWN;
1016 link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type);
1017 ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin,
1019 get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
1021 if (an_status == MLX5_AN_COMPLETE)
1022 ethtool_link_ksettings_add_link_mode(link_ksettings,
1023 lp_advertising, Autoneg);
1025 link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
1027 ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
1030 err = get_fec_supported_advertised(mdev, link_ksettings);
1032 netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
1034 err = 0; /* don't fail caps query because of FEC error */
1037 if (!an_disable_admin)
1038 ethtool_link_ksettings_add_link_mode(link_ksettings,
1039 advertising, Autoneg);
1045 static int mlx5e_get_link_ksettings(struct net_device *netdev,
1046 struct ethtool_link_ksettings *link_ksettings)
1048 struct mlx5e_priv *priv = netdev_priv(netdev);
1050 return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
1053 static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
1054 const unsigned long link_modes, u8 autoneg)
1056 /* Extended link-mode has no speed limitations. */
1060 if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
1061 autoneg != AUTONEG_ENABLE) {
1062 netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
1069 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
1071 u32 i, ptys_modes = 0;
1073 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
1074 if (*ptys2legacy_ethtool_table[i].advertised == 0)
1076 if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
1078 __ETHTOOL_LINK_MODE_MASK_NBITS))
1079 ptys_modes |= MLX5E_PROT_MASK(i);
1085 static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
1087 u32 i, ptys_modes = 0;
1088 unsigned long modes[2];
1090 for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
1091 if (ptys2ext_ethtool_table[i].advertised[0] == 0 &&
1092 ptys2ext_ethtool_table[i].advertised[1] == 0)
1094 memset(modes, 0, sizeof(modes));
1095 bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
1096 link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
1098 if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
1099 modes[1] == ptys2ext_ethtool_table[i].advertised[1])
1100 ptys_modes |= MLX5E_PROT_MASK(i);
1105 static bool ext_link_mode_requested(const unsigned long *adver)
1107 #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
1108 int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
1109 __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
1111 bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
1112 return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
1115 static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
1117 bool ext_link_mode = ext_link_mode_requested(adver);
1119 return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
1122 int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1123 const struct ethtool_link_ksettings *link_ksettings)
1125 struct mlx5_core_dev *mdev = priv->mdev;
1126 struct mlx5e_port_eth_proto eproto;
1127 const unsigned long *adver;
1128 bool an_changes = false;
1129 u8 an_disable_admin;
1140 u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
1142 adver = link_ksettings->link_modes.advertising;
1143 autoneg = link_ksettings->base.autoneg;
1144 speed = link_ksettings->base.speed;
1146 ext_supported = mlx5e_ptys_ext_supported(mdev);
1147 ext = ext_requested(autoneg, adver, ext_supported);
1148 if (!ext_supported && ext)
1151 ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
1152 mlx5e_ethtool2ptys_adver_link;
1153 err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
1155 netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
1159 link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
1160 mlx5e_port_speed2linkmodes(mdev, speed, !ext);
1162 err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
1166 link_modes = link_modes & eproto.cap;
1168 netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
1174 mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
1177 an_disable = autoneg == AUTONEG_DISABLE;
1178 an_changes = ((!an_disable && an_disable_admin) ||
1179 (an_disable && !an_disable_admin));
1181 if (!an_changes && link_modes == eproto.admin)
1184 mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
1185 mlx5_toggle_port_link(mdev);
1191 static int mlx5e_set_link_ksettings(struct net_device *netdev,
1192 const struct ethtool_link_ksettings *link_ksettings)
1194 struct mlx5e_priv *priv = netdev_priv(netdev);
1196 return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
1199 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
1201 return sizeof_field(struct mlx5e_rss_params_hash, toeplitz_hash_key);
1204 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
1206 struct mlx5e_priv *priv = netdev_priv(netdev);
1208 return mlx5e_ethtool_get_rxfh_key_size(priv);
1211 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
1213 return MLX5E_INDIR_RQT_SIZE;
1216 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
1218 struct mlx5e_priv *priv = netdev_priv(netdev);
1220 return mlx5e_ethtool_get_rxfh_indir_size(priv);
1223 static int mlx5e_get_rxfh_context(struct net_device *dev, u32 *indir,
1224 u8 *key, u8 *hfunc, u32 rss_context)
1226 struct mlx5e_priv *priv = netdev_priv(dev);
1229 mutex_lock(&priv->state_lock);
1230 err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, indir, key, hfunc);
1231 mutex_unlock(&priv->state_lock);
1235 static int mlx5e_set_rxfh_context(struct net_device *dev, const u32 *indir,
1236 const u8 *key, const u8 hfunc,
1237 u32 *rss_context, bool delete)
1239 struct mlx5e_priv *priv = netdev_priv(dev);
1242 mutex_lock(&priv->state_lock);
1244 err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context);
1248 if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1249 unsigned int count = priv->channels.params.num_channels;
1251 err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count);
1256 err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, indir, key,
1257 hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc);
1260 mutex_unlock(&priv->state_lock);
1264 int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1267 return mlx5e_get_rxfh_context(netdev, indir, key, hfunc, 0);
1270 int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1271 const u8 *key, const u8 hfunc)
1273 struct mlx5e_priv *priv = netdev_priv(dev);
1276 mutex_lock(&priv->state_lock);
1277 err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, 0, indir, key,
1278 hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc);
1279 mutex_unlock(&priv->state_lock);
1283 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100
1284 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000
1285 #define MLX5E_PFC_PREVEN_MINOR_PRECENT 85
1286 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC 80
1287 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1288 max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1289 (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1291 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1292 u16 *pfc_prevention_tout)
1294 struct mlx5e_priv *priv = netdev_priv(netdev);
1295 struct mlx5_core_dev *mdev = priv->mdev;
1297 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1298 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1301 return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1304 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1307 struct mlx5e_priv *priv = netdev_priv(netdev);
1308 struct mlx5_core_dev *mdev = priv->mdev;
1312 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1313 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1316 critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1317 MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1320 if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1321 (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1322 critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1323 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1324 __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1325 MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1329 minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1330 return mlx5_set_port_stall_watermark(mdev, critical_tout,
1334 static int mlx5e_get_tunable(struct net_device *dev,
1335 const struct ethtool_tunable *tuna,
1341 case ETHTOOL_PFC_PREVENTION_TOUT:
1342 err = mlx5e_get_pfc_prevention_tout(dev, data);
1352 static int mlx5e_set_tunable(struct net_device *dev,
1353 const struct ethtool_tunable *tuna,
1356 struct mlx5e_priv *priv = netdev_priv(dev);
1359 mutex_lock(&priv->state_lock);
1362 case ETHTOOL_PFC_PREVENTION_TOUT:
1363 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1370 mutex_unlock(&priv->state_lock);
1374 static void mlx5e_get_pause_stats(struct net_device *netdev,
1375 struct ethtool_pause_stats *pause_stats)
1377 struct mlx5e_priv *priv = netdev_priv(netdev);
1379 mlx5e_stats_pause_get(priv, pause_stats);
1382 void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1383 struct ethtool_pauseparam *pauseparam)
1385 struct mlx5_core_dev *mdev = priv->mdev;
1388 err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1389 &pauseparam->tx_pause);
1391 netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1396 static void mlx5e_get_pauseparam(struct net_device *netdev,
1397 struct ethtool_pauseparam *pauseparam)
1399 struct mlx5e_priv *priv = netdev_priv(netdev);
1401 mlx5e_ethtool_get_pauseparam(priv, pauseparam);
1404 int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1405 struct ethtool_pauseparam *pauseparam)
1407 struct mlx5_core_dev *mdev = priv->mdev;
1410 if (!MLX5_CAP_GEN(mdev, vport_group_manager))
1413 if (pauseparam->autoneg)
1416 err = mlx5_set_port_pause(mdev,
1417 pauseparam->rx_pause ? 1 : 0,
1418 pauseparam->tx_pause ? 1 : 0);
1420 netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1427 static int mlx5e_set_pauseparam(struct net_device *netdev,
1428 struct ethtool_pauseparam *pauseparam)
1430 struct mlx5e_priv *priv = netdev_priv(netdev);
1432 return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
1435 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1436 struct ethtool_ts_info *info)
1438 struct mlx5_core_dev *mdev = priv->mdev;
1440 info->phc_index = mlx5_clock_get_ptp_index(mdev);
1442 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
1443 info->phc_index == -1)
1446 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1447 SOF_TIMESTAMPING_RX_HARDWARE |
1448 SOF_TIMESTAMPING_RAW_HARDWARE;
1450 info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1451 BIT(HWTSTAMP_TX_ON);
1453 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1454 BIT(HWTSTAMP_FILTER_ALL);
1459 static int mlx5e_get_ts_info(struct net_device *dev,
1460 struct ethtool_ts_info *info)
1462 struct mlx5e_priv *priv = netdev_priv(dev);
1464 return mlx5e_ethtool_get_ts_info(priv, info);
1467 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1471 if (MLX5_CAP_GEN(mdev, wol_g))
1474 if (MLX5_CAP_GEN(mdev, wol_s))
1475 ret |= WAKE_MAGICSECURE;
1477 if (MLX5_CAP_GEN(mdev, wol_a))
1480 if (MLX5_CAP_GEN(mdev, wol_b))
1483 if (MLX5_CAP_GEN(mdev, wol_m))
1486 if (MLX5_CAP_GEN(mdev, wol_u))
1489 if (MLX5_CAP_GEN(mdev, wol_p))
1495 static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)
1499 if (mode & MLX5_WOL_MAGIC)
1502 if (mode & MLX5_WOL_SECURED_MAGIC)
1503 ret |= WAKE_MAGICSECURE;
1505 if (mode & MLX5_WOL_ARP)
1508 if (mode & MLX5_WOL_BROADCAST)
1511 if (mode & MLX5_WOL_MULTICAST)
1514 if (mode & MLX5_WOL_UNICAST)
1517 if (mode & MLX5_WOL_PHY_ACTIVITY)
1523 static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)
1527 if (mode & WAKE_MAGIC)
1528 ret |= MLX5_WOL_MAGIC;
1530 if (mode & WAKE_MAGICSECURE)
1531 ret |= MLX5_WOL_SECURED_MAGIC;
1533 if (mode & WAKE_ARP)
1534 ret |= MLX5_WOL_ARP;
1536 if (mode & WAKE_BCAST)
1537 ret |= MLX5_WOL_BROADCAST;
1539 if (mode & WAKE_MCAST)
1540 ret |= MLX5_WOL_MULTICAST;
1542 if (mode & WAKE_UCAST)
1543 ret |= MLX5_WOL_UNICAST;
1545 if (mode & WAKE_PHY)
1546 ret |= MLX5_WOL_PHY_ACTIVITY;
1551 static void mlx5e_get_wol(struct net_device *netdev,
1552 struct ethtool_wolinfo *wol)
1554 struct mlx5e_priv *priv = netdev_priv(netdev);
1555 struct mlx5_core_dev *mdev = priv->mdev;
1559 memset(wol, 0, sizeof(*wol));
1561 wol->supported = mlx5e_get_wol_supported(mdev);
1562 if (!wol->supported)
1565 err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1569 wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1572 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1574 struct mlx5e_priv *priv = netdev_priv(netdev);
1575 struct mlx5_core_dev *mdev = priv->mdev;
1576 __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1582 if (wol->wolopts & ~wol_supported)
1585 mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
1587 return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1590 static void mlx5e_get_fec_stats(struct net_device *netdev,
1591 struct ethtool_fec_stats *fec_stats)
1593 struct mlx5e_priv *priv = netdev_priv(netdev);
1595 mlx5e_stats_fec_get(priv, fec_stats);
1598 static int mlx5e_get_fecparam(struct net_device *netdev,
1599 struct ethtool_fecparam *fecparam)
1601 struct mlx5e_priv *priv = netdev_priv(netdev);
1602 struct mlx5_core_dev *mdev = priv->mdev;
1607 err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1612 fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
1613 sizeof(unsigned long) * BITS_PER_BYTE);
1615 if (!fecparam->active_fec)
1618 fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
1619 sizeof(unsigned long) * BITS_PER_BYTE);
1624 static int mlx5e_set_fecparam(struct net_device *netdev,
1625 struct ethtool_fecparam *fecparam)
1627 struct mlx5e_priv *priv = netdev_priv(netdev);
1628 struct mlx5_core_dev *mdev = priv->mdev;
1629 unsigned long fec_bitmap;
1634 bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE);
1635 if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1)
1638 for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1639 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1641 fec_policy |= (1 << mode);
1645 err = mlx5e_set_fec_mode(mdev, fec_policy);
1650 mlx5_toggle_port_link(mdev);
1655 static u32 mlx5e_get_msglevel(struct net_device *dev)
1657 return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
1660 static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
1662 ((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
1665 static int mlx5e_set_phys_id(struct net_device *dev,
1666 enum ethtool_phys_id_state state)
1668 struct mlx5e_priv *priv = netdev_priv(dev);
1669 struct mlx5_core_dev *mdev = priv->mdev;
1670 u16 beacon_duration;
1672 if (!MLX5_CAP_GEN(mdev, beacon_led))
1676 case ETHTOOL_ID_ACTIVE:
1677 beacon_duration = MLX5_BEACON_DURATION_INF;
1679 case ETHTOOL_ID_INACTIVE:
1680 beacon_duration = MLX5_BEACON_DURATION_OFF;
1686 return mlx5_set_port_beacon(mdev, beacon_duration);
1689 static int mlx5e_get_module_info(struct net_device *netdev,
1690 struct ethtool_modinfo *modinfo)
1692 struct mlx5e_priv *priv = netdev_priv(netdev);
1693 struct mlx5_core_dev *dev = priv->mdev;
1697 size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1701 /* data[0] = identifier byte */
1703 case MLX5_MODULE_ID_QSFP:
1704 modinfo->type = ETH_MODULE_SFF_8436;
1705 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1707 case MLX5_MODULE_ID_QSFP_PLUS:
1708 case MLX5_MODULE_ID_QSFP28:
1709 /* data[1] = revision id */
1710 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1711 modinfo->type = ETH_MODULE_SFF_8636;
1712 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1714 modinfo->type = ETH_MODULE_SFF_8436;
1715 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1718 case MLX5_MODULE_ID_SFP:
1719 modinfo->type = ETH_MODULE_SFF_8472;
1720 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1723 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1731 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1732 struct ethtool_eeprom *ee,
1735 struct mlx5e_priv *priv = netdev_priv(netdev);
1736 struct mlx5_core_dev *mdev = priv->mdev;
1737 int offset = ee->offset;
1744 memset(data, 0, ee->len);
1746 while (i < ee->len) {
1747 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1754 if (size_read < 0) {
1755 netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1756 __func__, size_read);
1761 offset += size_read;
1767 static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev,
1768 const struct ethtool_module_eeprom *page_data,
1769 struct netlink_ext_ack *extack)
1771 struct mlx5e_priv *priv = netdev_priv(netdev);
1772 struct mlx5_module_eeprom_query_params query;
1773 struct mlx5_core_dev *mdev = priv->mdev;
1774 u8 *data = page_data->data;
1778 if (!page_data->length)
1781 memset(data, 0, page_data->length);
1783 query.offset = page_data->offset;
1784 query.i2c_address = page_data->i2c_address;
1785 query.bank = page_data->bank;
1786 query.page = page_data->page;
1787 while (i < page_data->length) {
1788 query.size = page_data->length - i;
1789 size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i);
1791 /* Done reading, return how many bytes was read */
1795 if (size_read == -EINVAL)
1797 if (size_read < 0) {
1798 netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n",
1799 __func__, size_read);
1804 query.offset += size_read;
1810 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1811 struct ethtool_flash *flash)
1813 struct mlx5_core_dev *mdev = priv->mdev;
1814 struct net_device *dev = priv->netdev;
1815 const struct firmware *fw;
1818 if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1821 err = request_firmware_direct(&fw, flash->data, &dev->dev);
1828 err = mlx5_firmware_flash(mdev, fw, NULL);
1829 release_firmware(fw);
1836 static int mlx5e_flash_device(struct net_device *dev,
1837 struct ethtool_flash *flash)
1839 struct mlx5e_priv *priv = netdev_priv(dev);
1841 return mlx5e_ethtool_flash_device(priv, flash);
1844 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1847 struct mlx5e_priv *priv = netdev_priv(netdev);
1848 struct mlx5_core_dev *mdev = priv->mdev;
1849 struct mlx5e_params new_params;
1851 u8 cq_period_mode, current_cq_period_mode;
1853 cq_period_mode = enable ?
1854 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1855 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1856 current_cq_period_mode = is_rx_cq ?
1857 priv->channels.params.rx_cq_moderation.cq_period_mode :
1858 priv->channels.params.tx_cq_moderation.cq_period_mode;
1859 mode_changed = cq_period_mode != current_cq_period_mode;
1861 if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1862 !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1868 new_params = priv->channels.params;
1870 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode);
1872 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode);
1874 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1877 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1879 return set_pflag_cqe_based_moder(netdev, enable, false);
1882 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1884 return set_pflag_cqe_based_moder(netdev, enable, true);
1887 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val, bool rx_filter)
1889 bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1890 struct mlx5e_params new_params;
1893 if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1894 return new_val ? -EOPNOTSUPP : 0;
1896 if (curr_val == new_val)
1899 if (new_val && !priv->profile->rx_ptp_support && rx_filter) {
1900 netdev_err(priv->netdev,
1901 "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n");
1905 new_params = priv->channels.params;
1906 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1908 new_params.ptp_rx = new_val;
1910 if (new_params.ptp_rx == priv->channels.params.ptp_rx)
1911 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1913 err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx,
1914 &new_params.ptp_rx, true);
1918 mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
1919 MLX5E_GET_PFLAG(&priv->channels.params,
1920 MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1925 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1928 struct mlx5e_priv *priv = netdev_priv(netdev);
1929 struct mlx5_core_dev *mdev = priv->mdev;
1933 if (!MLX5_CAP_GEN(mdev, cqe_compression))
1936 rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE;
1937 err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter);
1941 priv->channels.params.rx_cqe_compress_def = enable;
1946 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1948 struct mlx5e_priv *priv = netdev_priv(netdev);
1949 struct mlx5_core_dev *mdev = priv->mdev;
1950 struct mlx5e_params new_params;
1953 if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
1955 if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
1957 } else if (priv->channels.params.lro_en) {
1958 netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
1962 new_params = priv->channels.params;
1964 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1965 mlx5e_set_rq_type(mdev, &new_params);
1967 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1970 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
1972 struct mlx5e_priv *priv = netdev_priv(netdev);
1973 struct mlx5e_channels *channels = &priv->channels;
1974 struct mlx5e_channel *c;
1977 if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
1978 priv->channels.params.xdp_prog)
1981 for (i = 0; i < channels->num; i++) {
1984 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1986 __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1992 static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable)
1994 struct mlx5e_priv *priv = netdev_priv(netdev);
1995 struct mlx5_core_dev *mdev = priv->mdev;
1996 struct mlx5e_params new_params;
1998 if (enable && !mlx5e_tx_mpwqe_supported(mdev))
2001 new_params = priv->channels.params;
2003 MLX5E_SET_PFLAG(&new_params, flag, enable);
2005 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
2008 static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
2010 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
2013 static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable)
2015 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable);
2018 static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable)
2020 struct mlx5e_priv *priv = netdev_priv(netdev);
2021 struct mlx5_core_dev *mdev = priv->mdev;
2022 struct mlx5e_params new_params;
2025 if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn))
2028 /* Don't allow changing the PTP state if HTB offload is active, because
2029 * the numeration of the QoS SQs will change, while per-queue qdiscs are
2032 if (priv->htb.maj_id) {
2033 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n",
2038 new_params = priv->channels.params;
2039 /* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is
2040 * active, since it defines explicitly which TC accepts the packet.
2041 * This conflicts with TX-port-TS hijacking the PTP traffic to a specific
2044 if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
2045 netdev_err(priv->netdev,
2046 "%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n",
2050 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable);
2051 /* No need to verify SQ stop room as
2052 * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both
2053 * has the same log_sq_size.
2056 err = mlx5e_safe_switch_params(priv, &new_params,
2057 mlx5e_num_channels_changed_ctx, NULL, true);
2059 priv->tx_ptp_opened = true;
2064 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
2065 { "rx_cqe_moder", set_pflag_rx_cqe_based_moder },
2066 { "tx_cqe_moder", set_pflag_tx_cqe_based_moder },
2067 { "rx_cqe_compress", set_pflag_rx_cqe_compress },
2068 { "rx_striding_rq", set_pflag_rx_striding_rq },
2069 { "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
2070 { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe },
2071 { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe },
2072 { "tx_port_ts", set_pflag_tx_port_ts },
2075 static int mlx5e_handle_pflag(struct net_device *netdev,
2077 enum mlx5e_priv_flag flag)
2079 struct mlx5e_priv *priv = netdev_priv(netdev);
2080 bool enable = !!(wanted_flags & BIT(flag));
2081 u32 changes = wanted_flags ^ priv->channels.params.pflags;
2084 if (!(changes & BIT(flag)))
2087 err = mlx5e_priv_flags[flag].handler(netdev, enable);
2089 netdev_err(netdev, "%s private flag '%s' failed err %d\n",
2090 enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err);
2094 MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
2098 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
2100 struct mlx5e_priv *priv = netdev_priv(netdev);
2101 enum mlx5e_priv_flag pflag;
2104 mutex_lock(&priv->state_lock);
2106 for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
2107 err = mlx5e_handle_pflag(netdev, pflags, pflag);
2112 mutex_unlock(&priv->state_lock);
2114 /* Need to fix some features.. */
2115 netdev_update_features(netdev);
2120 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
2122 struct mlx5e_priv *priv = netdev_priv(netdev);
2124 return priv->channels.params.pflags;
2127 int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2130 struct mlx5e_priv *priv = netdev_priv(dev);
2132 /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
2133 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
2134 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
2135 * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
2137 if (info->cmd == ETHTOOL_GRXRINGS) {
2138 info->data = priv->channels.params.num_channels;
2142 return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs);
2145 int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2147 return mlx5e_ethtool_set_rxnfc(dev, cmd);
2150 static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode)
2152 struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page;
2153 u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {};
2154 u32 out[MLX5_ST_SZ_DW(pddr_reg)];
2157 MLX5_SET(pddr_reg, in, local_port, 1);
2158 MLX5_SET(pddr_reg, in, page_select,
2159 MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE);
2161 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data);
2162 MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page,
2163 group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR);
2164 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
2165 sizeof(out), MLX5_REG_PDDR, 0, 0);
2169 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data);
2170 *status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page,
2175 struct mlx5e_ethtool_link_ext_state_opcode_mapping {
2177 enum ethtool_link_ext_state link_ext_state;
2178 u8 link_ext_substate;
2181 static const struct mlx5e_ethtool_link_ext_state_opcode_mapping
2182 mlx5e_link_ext_state_opcode_map[] = {
2183 /* States relating to the autonegotiation or issues therein */
2184 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2185 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED},
2186 {3, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2187 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
2188 {4, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2189 ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED},
2190 {36, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2191 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE},
2192 {38, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2193 ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE},
2194 {39, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2195 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
2197 /* Failure during link training */
2198 {5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2199 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED},
2200 {6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2201 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
2202 {7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2203 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
2204 {8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0},
2205 {14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2206 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
2208 /* Logical mismatch in physical coding sublayer or forward error correction sublayer */
2209 {9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2210 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
2211 {10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2212 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK},
2213 {11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2214 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS},
2215 {12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2216 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
2217 {13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2218 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
2220 /* Signal integrity issues */
2221 {15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0},
2222 {17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2223 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
2224 {42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2225 ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE},
2227 /* No cable connected */
2228 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
2230 /* Failure is related to cable, e.g., unsupported cable */
2231 {16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2232 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2233 {20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2234 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2235 {29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2236 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2237 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2238 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2239 {1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2240 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2241 {1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0},
2243 /* Failure is related to EEPROM, e.g., failure during reading or parsing the data */
2244 {1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
2246 /* Failure during calibration algorithm */
2247 {23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0},
2249 /* The hardware is not able to provide the power required from cable or module */
2250 {1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0},
2252 /* The module is overheated */
2253 {1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0},
2257 mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping
2258 link_ext_state_mapping,
2259 struct ethtool_link_ext_state_info *link_ext_state_info)
2261 switch (link_ext_state_mapping.link_ext_state) {
2262 case ETHTOOL_LINK_EXT_STATE_AUTONEG:
2263 link_ext_state_info->autoneg =
2264 link_ext_state_mapping.link_ext_substate;
2266 case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE:
2267 link_ext_state_info->link_training =
2268 link_ext_state_mapping.link_ext_substate;
2270 case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH:
2271 link_ext_state_info->link_logical_mismatch =
2272 link_ext_state_mapping.link_ext_substate;
2274 case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY:
2275 link_ext_state_info->bad_signal_integrity =
2276 link_ext_state_mapping.link_ext_substate;
2278 case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE:
2279 link_ext_state_info->cable_issue =
2280 link_ext_state_mapping.link_ext_substate;
2286 link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state;
2290 mlx5e_get_link_ext_state(struct net_device *dev,
2291 struct ethtool_link_ext_state_info *link_ext_state_info)
2293 struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping;
2294 struct mlx5e_priv *priv = netdev_priv(dev);
2295 u32 status_opcode = 0;
2298 /* Exit without data if the interface state is OK, since no extended data is
2299 * available in such case
2301 if (netif_carrier_ok(dev))
2304 if (query_port_status_opcode(priv->mdev, &status_opcode) ||
2308 for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) {
2309 link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i];
2310 if (link_ext_state_mapping.status_opcode == status_opcode) {
2311 mlx5e_set_link_ext_state(link_ext_state_mapping,
2312 link_ext_state_info);
2320 static void mlx5e_get_eth_phy_stats(struct net_device *netdev,
2321 struct ethtool_eth_phy_stats *phy_stats)
2323 struct mlx5e_priv *priv = netdev_priv(netdev);
2325 mlx5e_stats_eth_phy_get(priv, phy_stats);
2328 static void mlx5e_get_eth_mac_stats(struct net_device *netdev,
2329 struct ethtool_eth_mac_stats *mac_stats)
2331 struct mlx5e_priv *priv = netdev_priv(netdev);
2333 mlx5e_stats_eth_mac_get(priv, mac_stats);
2336 static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev,
2337 struct ethtool_eth_ctrl_stats *ctrl_stats)
2339 struct mlx5e_priv *priv = netdev_priv(netdev);
2341 mlx5e_stats_eth_ctrl_get(priv, ctrl_stats);
2344 static void mlx5e_get_rmon_stats(struct net_device *netdev,
2345 struct ethtool_rmon_stats *rmon_stats,
2346 const struct ethtool_rmon_hist_range **ranges)
2348 struct mlx5e_priv *priv = netdev_priv(netdev);
2350 mlx5e_stats_rmon_get(priv, rmon_stats, ranges);
2353 const struct ethtool_ops mlx5e_ethtool_ops = {
2354 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2355 ETHTOOL_COALESCE_MAX_FRAMES |
2356 ETHTOOL_COALESCE_USE_ADAPTIVE,
2357 .get_drvinfo = mlx5e_get_drvinfo,
2358 .get_link = ethtool_op_get_link,
2359 .get_link_ext_state = mlx5e_get_link_ext_state,
2360 .get_strings = mlx5e_get_strings,
2361 .get_sset_count = mlx5e_get_sset_count,
2362 .get_ethtool_stats = mlx5e_get_ethtool_stats,
2363 .get_ringparam = mlx5e_get_ringparam,
2364 .set_ringparam = mlx5e_set_ringparam,
2365 .get_channels = mlx5e_get_channels,
2366 .set_channels = mlx5e_set_channels,
2367 .get_coalesce = mlx5e_get_coalesce,
2368 .set_coalesce = mlx5e_set_coalesce,
2369 .get_link_ksettings = mlx5e_get_link_ksettings,
2370 .set_link_ksettings = mlx5e_set_link_ksettings,
2371 .get_rxfh_key_size = mlx5e_get_rxfh_key_size,
2372 .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
2373 .get_rxfh = mlx5e_get_rxfh,
2374 .set_rxfh = mlx5e_set_rxfh,
2375 .get_rxfh_context = mlx5e_get_rxfh_context,
2376 .set_rxfh_context = mlx5e_set_rxfh_context,
2377 .get_rxnfc = mlx5e_get_rxnfc,
2378 .set_rxnfc = mlx5e_set_rxnfc,
2379 .get_tunable = mlx5e_get_tunable,
2380 .set_tunable = mlx5e_set_tunable,
2381 .get_pause_stats = mlx5e_get_pause_stats,
2382 .get_pauseparam = mlx5e_get_pauseparam,
2383 .set_pauseparam = mlx5e_set_pauseparam,
2384 .get_ts_info = mlx5e_get_ts_info,
2385 .set_phys_id = mlx5e_set_phys_id,
2386 .get_wol = mlx5e_get_wol,
2387 .set_wol = mlx5e_set_wol,
2388 .get_module_info = mlx5e_get_module_info,
2389 .get_module_eeprom = mlx5e_get_module_eeprom,
2390 .get_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page,
2391 .flash_device = mlx5e_flash_device,
2392 .get_priv_flags = mlx5e_get_priv_flags,
2393 .set_priv_flags = mlx5e_set_priv_flags,
2394 .self_test = mlx5e_self_test,
2395 .get_msglevel = mlx5e_get_msglevel,
2396 .set_msglevel = mlx5e_set_msglevel,
2397 .get_fec_stats = mlx5e_get_fec_stats,
2398 .get_fecparam = mlx5e_get_fecparam,
2399 .set_fecparam = mlx5e_set_fecparam,
2400 .get_eth_phy_stats = mlx5e_get_eth_phy_stats,
2401 .get_eth_mac_stats = mlx5e_get_eth_mac_stats,
2402 .get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats,
2403 .get_rmon_stats = mlx5e_get_rmon_stats,