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
33 #include <linux/ethtool_netlink.h>
37 #include "en/params.h"
39 #include "lib/clock.h"
40 #include "en/fs_ethtool.h"
42 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
43 struct ethtool_drvinfo *drvinfo)
45 struct mlx5_core_dev *mdev = priv->mdev;
48 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
49 count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
50 "%d.%d.%04d (%.16s)", fw_rev_maj(mdev),
51 fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id);
52 if (count >= sizeof(drvinfo->fw_version))
53 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
54 "%d.%d.%04d", fw_rev_maj(mdev),
55 fw_rev_min(mdev), fw_rev_sub(mdev));
57 strscpy(drvinfo->bus_info, dev_name(mdev->device),
58 sizeof(drvinfo->bus_info));
61 static void mlx5e_get_drvinfo(struct net_device *dev,
62 struct ethtool_drvinfo *drvinfo)
64 struct mlx5e_priv *priv = netdev_priv(dev);
66 mlx5e_ethtool_get_drvinfo(priv, drvinfo);
69 struct ptys2ethtool_config {
70 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
71 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
75 struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER];
77 struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER];
79 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \
81 struct ptys2ethtool_config *cfg; \
82 const unsigned int modes[] = { __VA_ARGS__ }; \
83 unsigned int i, bit, idx; \
84 cfg = &ptys2##table##_ethtool_table[reg_]; \
85 bitmap_zero(cfg->supported, \
86 __ETHTOOL_LINK_MODE_MASK_NBITS); \
87 bitmap_zero(cfg->advertised, \
88 __ETHTOOL_LINK_MODE_MASK_NBITS); \
89 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \
90 bit = modes[i] % 64; \
91 idx = modes[i] / 64; \
92 __set_bit(bit, &cfg->supported[idx]); \
93 __set_bit(bit, &cfg->advertised[idx]); \
97 void mlx5e_build_ptys2ethtool_map(void)
99 memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table));
100 memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table));
101 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy,
102 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
103 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy,
104 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
105 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy,
106 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
107 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy,
108 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
109 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy,
110 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
111 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy,
112 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
113 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy,
114 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
115 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy,
116 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
117 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy,
118 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
119 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy,
120 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
121 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy,
122 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
123 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy,
124 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
125 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy,
126 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
127 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy,
128 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
129 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy,
130 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
131 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy,
132 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
133 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy,
134 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
135 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy,
136 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
137 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy,
138 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
139 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy,
140 ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
141 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy,
142 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
143 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy,
144 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
145 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy,
146 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
147 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy,
148 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
149 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy,
150 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT);
151 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext,
152 ETHTOOL_LINK_MODE_100baseT_Full_BIT);
153 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext,
154 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
155 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
156 ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
157 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext,
158 ETHTOOL_LINK_MODE_5000baseT_Full_BIT);
159 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext,
160 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
161 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
162 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
163 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
164 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
165 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
166 ETHTOOL_LINK_MODE_10000baseER_Full_BIT);
167 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext,
168 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
169 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
170 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
171 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
172 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext,
173 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
174 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
175 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
176 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
178 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
179 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
180 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
181 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext,
182 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
183 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
184 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
185 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
186 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT);
187 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext,
188 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
189 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
190 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
191 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
192 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext,
193 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
194 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
195 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
196 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
197 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT);
198 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext,
199 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
200 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
201 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
202 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
203 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT);
204 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext,
205 ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
206 ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
207 ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
208 ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
209 ETHTOOL_LINK_MODE_100000baseCR_Full_BIT);
210 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext,
211 ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
212 ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
213 ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
214 ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
215 ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT);
216 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext,
217 ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
218 ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
219 ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
220 ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
221 ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT);
224 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
225 struct ptys2ethtool_config **arr,
228 bool ext = mlx5_ptys_ext_supported(mdev);
230 *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
231 *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
232 ARRAY_SIZE(ptys2legacy_ethtool_table);
235 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
238 char name[ETH_GSTRING_LEN];
239 mlx5e_pflag_handler handler;
242 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS];
244 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
248 return mlx5e_stats_total_num(priv);
249 case ETH_SS_PRIV_FLAGS:
250 return MLX5E_NUM_PFLAGS;
252 return mlx5e_self_test_num(priv);
258 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
260 struct mlx5e_priv *priv = netdev_priv(dev);
262 return mlx5e_ethtool_get_sset_count(priv, sset);
265 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
270 case ETH_SS_PRIV_FLAGS:
271 for (i = 0; i < MLX5E_NUM_PFLAGS; i++)
272 strcpy(data + i * ETH_GSTRING_LEN,
273 mlx5e_priv_flags[i].name);
277 mlx5e_self_test_fill_strings(priv, data);
281 mlx5e_stats_fill_strings(priv, data);
286 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
288 struct mlx5e_priv *priv = netdev_priv(dev);
290 mlx5e_ethtool_get_strings(priv, stringset, data);
293 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
294 struct ethtool_stats *stats, u64 *data)
298 mutex_lock(&priv->state_lock);
299 mlx5e_stats_update(priv);
300 mutex_unlock(&priv->state_lock);
302 mlx5e_stats_fill(priv, data, idx);
305 static void mlx5e_get_ethtool_stats(struct net_device *dev,
306 struct ethtool_stats *stats,
309 struct mlx5e_priv *priv = netdev_priv(dev);
311 mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
314 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
315 struct ethtool_ringparam *param,
316 struct kernel_ethtool_ringparam *kernel_param)
318 /* Limitation for regular RQ. XSK RQ may clamp the queue length in
319 * mlx5e_mpwqe_get_log_rq_size.
321 u8 max_log_mpwrq_pkts = mlx5e_mpwrq_max_log_rq_pkts(priv->mdev,
323 MLX5E_MPWRQ_UMR_MODE_ALIGNED);
325 param->rx_max_pending = 1 << min_t(u8, MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE,
327 param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE;
328 param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames;
329 param->tx_pending = 1 << priv->channels.params.log_sq_size;
331 kernel_param->tcp_data_split =
332 (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) ?
333 ETHTOOL_TCP_DATA_SPLIT_ENABLED :
334 ETHTOOL_TCP_DATA_SPLIT_DISABLED;
337 static void mlx5e_get_ringparam(struct net_device *dev,
338 struct ethtool_ringparam *param,
339 struct kernel_ethtool_ringparam *kernel_param,
340 struct netlink_ext_ack *extack)
342 struct mlx5e_priv *priv = netdev_priv(dev);
344 mlx5e_ethtool_get_ringparam(priv, param, kernel_param);
347 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
348 struct ethtool_ringparam *param)
350 struct mlx5e_params new_params;
355 if (param->rx_jumbo_pending) {
356 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
360 if (param->rx_mini_pending) {
361 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
366 if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) {
367 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n",
368 __func__, param->rx_pending,
369 1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE);
373 if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) {
374 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n",
375 __func__, param->tx_pending,
376 1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE);
380 log_rq_size = order_base_2(param->rx_pending);
381 log_sq_size = order_base_2(param->tx_pending);
383 if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
384 log_sq_size == priv->channels.params.log_sq_size)
387 mutex_lock(&priv->state_lock);
389 new_params = priv->channels.params;
390 new_params.log_rq_mtu_frames = log_rq_size;
391 new_params.log_sq_size = log_sq_size;
393 err = mlx5e_validate_params(priv->mdev, &new_params);
397 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
400 mutex_unlock(&priv->state_lock);
405 static int mlx5e_set_ringparam(struct net_device *dev,
406 struct ethtool_ringparam *param,
407 struct kernel_ethtool_ringparam *kernel_param,
408 struct netlink_ext_ack *extack)
410 struct mlx5e_priv *priv = netdev_priv(dev);
412 return mlx5e_ethtool_set_ringparam(priv, param);
415 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
416 struct ethtool_channels *ch)
418 mutex_lock(&priv->state_lock);
419 ch->max_combined = priv->max_nch;
420 ch->combined_count = priv->channels.params.num_channels;
421 mutex_unlock(&priv->state_lock);
424 static void mlx5e_get_channels(struct net_device *dev,
425 struct ethtool_channels *ch)
427 struct mlx5e_priv *priv = netdev_priv(dev);
429 mlx5e_ethtool_get_channels(priv, ch);
432 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
433 struct ethtool_channels *ch)
435 struct mlx5e_params *cur_params = &priv->channels.params;
436 unsigned int count = ch->combined_count;
437 struct mlx5e_params new_params;
444 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
449 if (cur_params->num_channels == count)
452 mutex_lock(&priv->state_lock);
454 /* Don't allow changing the number of channels if HTB offload is active,
455 * because the numeration of the QoS SQs will change, while per-queue
456 * qdiscs are attached.
458 if (mlx5e_selq_is_htb_enabled(&priv->selq)) {
460 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n",
465 /* Don't allow changing the number of channels if non-default RSS contexts exist,
466 * the kernel doesn't protect against set_channels operations that break them.
468 rss_cnt = mlx5e_rx_res_rss_cnt(priv->rx_res) - 1;
471 netdev_err(priv->netdev, "%s: Non-default RSS contexts exist (%d), cannot change the number of channels\n",
476 /* Don't allow changing the number of channels if MQPRIO mode channel offload is active,
477 * because it defines a partition over the channels queues.
479 if (cur_params->mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
481 netdev_err(priv->netdev, "%s: MQPRIO mode channel offload is active, cannot change the number of channels\n",
486 new_params = *cur_params;
487 new_params.num_channels = count;
489 opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
491 arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE);
493 mlx5e_arfs_disable(priv->fs);
495 /* Switch to new channels, set new parameters and close old ones */
496 err = mlx5e_safe_switch_params(priv, &new_params,
497 mlx5e_num_channels_changed_ctx, NULL, true);
500 int err2 = mlx5e_arfs_enable(priv->fs);
503 netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
508 mutex_unlock(&priv->state_lock);
513 static int mlx5e_set_channels(struct net_device *dev,
514 struct ethtool_channels *ch)
516 struct mlx5e_priv *priv = netdev_priv(dev);
518 return mlx5e_ethtool_set_channels(priv, ch);
521 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
522 struct ethtool_coalesce *coal,
523 struct kernel_ethtool_coalesce *kernel_coal)
525 struct dim_cq_moder *rx_moder, *tx_moder;
527 if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
530 rx_moder = &priv->channels.params.rx_cq_moderation;
531 coal->rx_coalesce_usecs = rx_moder->usec;
532 coal->rx_max_coalesced_frames = rx_moder->pkts;
533 coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled;
535 tx_moder = &priv->channels.params.tx_cq_moderation;
536 coal->tx_coalesce_usecs = tx_moder->usec;
537 coal->tx_max_coalesced_frames = tx_moder->pkts;
538 coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled;
540 kernel_coal->use_cqe_mode_rx =
541 MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_BASED_MODER);
542 kernel_coal->use_cqe_mode_tx =
543 MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_CQE_BASED_MODER);
548 static int mlx5e_get_coalesce(struct net_device *netdev,
549 struct ethtool_coalesce *coal,
550 struct kernel_ethtool_coalesce *kernel_coal,
551 struct netlink_ext_ack *extack)
553 struct mlx5e_priv *priv = netdev_priv(netdev);
555 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal);
558 #define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD
559 #define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT
562 mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
564 struct mlx5_core_dev *mdev = priv->mdev;
568 for (i = 0; i < priv->channels.num; ++i) {
569 struct mlx5e_channel *c = priv->channels.c[i];
571 for (tc = 0; tc < c->num_tc; tc++) {
572 mlx5_core_modify_cq_moderation(mdev,
574 coal->tx_coalesce_usecs,
575 coal->tx_max_coalesced_frames);
581 mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
583 struct mlx5_core_dev *mdev = priv->mdev;
586 for (i = 0; i < priv->channels.num; ++i) {
587 struct mlx5e_channel *c = priv->channels.c[i];
589 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
590 coal->rx_coalesce_usecs,
591 coal->rx_max_coalesced_frames);
595 /* convert a boolean value of cq_mode to mlx5 period mode
596 * true : MLX5_CQ_PERIOD_MODE_START_FROM_CQE
597 * false : MLX5_CQ_PERIOD_MODE_START_FROM_EQE
599 static int cqe_mode_to_period_mode(bool val)
601 return val ? MLX5_CQ_PERIOD_MODE_START_FROM_CQE : MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
604 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
605 struct ethtool_coalesce *coal,
606 struct kernel_ethtool_coalesce *kernel_coal,
607 struct netlink_ext_ack *extack)
609 struct dim_cq_moder *rx_moder, *tx_moder;
610 struct mlx5_core_dev *mdev = priv->mdev;
611 struct mlx5e_params new_params;
612 bool reset_rx, reset_tx;
617 if (!MLX5_CAP_GEN(mdev, cq_moderation))
620 if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
621 coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
622 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
623 __func__, MLX5E_MAX_COAL_TIME);
627 if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
628 coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
629 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
630 __func__, MLX5E_MAX_COAL_FRAMES);
634 if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
635 !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) {
636 NL_SET_ERR_MSG_MOD(extack, "cqe_mode_rx/tx is not supported on this device");
640 mutex_lock(&priv->state_lock);
641 new_params = priv->channels.params;
643 rx_moder = &new_params.rx_cq_moderation;
644 rx_moder->usec = coal->rx_coalesce_usecs;
645 rx_moder->pkts = coal->rx_max_coalesced_frames;
646 new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
648 tx_moder = &new_params.tx_cq_moderation;
649 tx_moder->usec = coal->tx_coalesce_usecs;
650 tx_moder->pkts = coal->tx_max_coalesced_frames;
651 new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
653 reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
654 reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
656 cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_rx);
657 if (cq_period_mode != rx_moder->cq_period_mode) {
658 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode);
662 cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_tx);
663 if (cq_period_mode != tx_moder->cq_period_mode) {
664 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode);
669 u8 mode = MLX5E_GET_PFLAG(&new_params,
670 MLX5E_PFLAG_RX_CQE_BASED_MODER);
672 mlx5e_reset_rx_moderation(&new_params, mode);
675 u8 mode = MLX5E_GET_PFLAG(&new_params,
676 MLX5E_PFLAG_TX_CQE_BASED_MODER);
678 mlx5e_reset_tx_moderation(&new_params, mode);
681 /* If DIM state hasn't changed, it's possible to modify interrupt
682 * moderation parameters on the fly, even if the channels are open.
684 if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
685 if (!coal->use_adaptive_rx_coalesce)
686 mlx5e_set_priv_channels_rx_coalesce(priv, coal);
687 if (!coal->use_adaptive_tx_coalesce)
688 mlx5e_set_priv_channels_tx_coalesce(priv, coal);
692 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset);
694 mutex_unlock(&priv->state_lock);
698 static int mlx5e_set_coalesce(struct net_device *netdev,
699 struct ethtool_coalesce *coal,
700 struct kernel_ethtool_coalesce *kernel_coal,
701 struct netlink_ext_ack *extack)
703 struct mlx5e_priv *priv = netdev_priv(netdev);
705 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack);
708 static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
709 unsigned long *supported_modes,
712 unsigned long proto_cap = eth_proto_cap;
713 struct ptys2ethtool_config *table;
717 mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
718 for_each_set_bit(proto, &proto_cap, max_size)
719 bitmap_or(supported_modes, supported_modes,
720 table[proto].supported,
721 __ETHTOOL_LINK_MODE_MASK_NBITS);
724 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
725 u32 eth_proto_cap, bool ext)
727 unsigned long proto_cap = eth_proto_cap;
728 struct ptys2ethtool_config *table;
732 table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
733 max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
734 ARRAY_SIZE(ptys2legacy_ethtool_table);
736 for_each_set_bit(proto, &proto_cap, max_size)
737 bitmap_or(advertising_modes, advertising_modes,
738 table[proto].advertised,
739 __ETHTOOL_LINK_MODE_MASK_NBITS);
742 static const u32 pplm_fec_2_ethtool[] = {
743 [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
744 [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
745 [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
746 [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS,
747 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS,
750 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
755 return ETHTOOL_FEC_AUTO;
757 mode = find_first_bit(&fec_mode, size);
759 if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
760 return pplm_fec_2_ethtool[mode];
765 #define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \
767 if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \
768 __set_bit(ethtool_fec, \
769 link_ksettings->link_modes.supported);\
772 static const u32 pplm_fec_2_ethtool_linkmodes[] = {
773 [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT,
774 [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT,
775 [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
776 [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
777 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
780 static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
781 struct ethtool_link_ksettings *link_ksettings)
783 unsigned long active_fec_long;
788 err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
790 return (err == -EOPNOTSUPP) ? 0 : err;
792 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC,
793 ETHTOOL_LINK_MODE_FEC_NONE_BIT);
794 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE,
795 ETHTOOL_LINK_MODE_FEC_BASER_BIT);
796 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514,
797 ETHTOOL_LINK_MODE_FEC_RS_BIT);
798 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
799 ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
801 active_fec_long = active_fec;
802 /* active fec is a bit set, find out which bit is set and
803 * advertise the corresponding ethtool bit
805 bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
806 if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
807 __set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
808 link_ksettings->link_modes.advertising);
813 static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev,
814 struct ethtool_link_ksettings *link_ksettings,
815 u32 eth_proto_cap, u8 connector_type)
817 if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) {
818 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
819 | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
820 | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
821 | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
822 | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
823 | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
824 ethtool_link_ksettings_add_link_mode(link_ksettings,
827 ethtool_link_ksettings_add_link_mode(link_ksettings,
832 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
833 | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
834 | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
835 | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
836 | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
837 ethtool_link_ksettings_add_link_mode(link_ksettings,
840 ethtool_link_ksettings_add_link_mode(link_ksettings,
847 switch (connector_type) {
849 ethtool_link_ksettings_add_link_mode(link_ksettings,
851 ethtool_link_ksettings_add_link_mode(link_ksettings,
855 ethtool_link_ksettings_add_link_mode(link_ksettings,
857 ethtool_link_ksettings_add_link_mode(link_ksettings,
861 ethtool_link_ksettings_add_link_mode(link_ksettings,
863 ethtool_link_ksettings_add_link_mode(link_ksettings,
867 ethtool_link_ksettings_add_link_mode(link_ksettings,
869 ethtool_link_ksettings_add_link_mode(link_ksettings,
872 case MLX5E_PORT_FIBRE:
873 ethtool_link_ksettings_add_link_mode(link_ksettings,
875 ethtool_link_ksettings_add_link_mode(link_ksettings,
879 ethtool_link_ksettings_add_link_mode(link_ksettings,
880 supported, Backplane);
881 ethtool_link_ksettings_add_link_mode(link_ksettings,
882 advertising, Backplane);
884 case MLX5E_PORT_NONE:
885 case MLX5E_PORT_OTHER:
891 static void get_speed_duplex(struct net_device *netdev,
892 u32 eth_proto_oper, bool force_legacy,
894 struct ethtool_link_ksettings *link_ksettings)
896 struct mlx5e_priv *priv = netdev_priv(netdev);
897 u32 speed = SPEED_UNKNOWN;
898 u8 duplex = DUPLEX_UNKNOWN;
900 if (!netif_carrier_ok(netdev))
903 speed = mlx5_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
906 speed = 100 * data_rate_oper;
908 speed = SPEED_UNKNOWN;
912 duplex = DUPLEX_FULL;
915 link_ksettings->base.speed = speed;
916 link_ksettings->base.duplex = duplex;
919 static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
920 struct ethtool_link_ksettings *link_ksettings)
922 unsigned long *supported = link_ksettings->link_modes.supported;
923 ptys2ethtool_supported_link(mdev, supported, eth_proto_cap);
925 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
928 static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause,
929 struct ethtool_link_ksettings *link_ksettings,
932 unsigned long *advertising = link_ksettings->link_modes.advertising;
933 ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
936 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
937 if (tx_pause ^ rx_pause)
938 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
941 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
942 [MLX5E_PORT_UNKNOWN] = PORT_OTHER,
943 [MLX5E_PORT_NONE] = PORT_NONE,
944 [MLX5E_PORT_TP] = PORT_TP,
945 [MLX5E_PORT_AUI] = PORT_AUI,
946 [MLX5E_PORT_BNC] = PORT_BNC,
947 [MLX5E_PORT_MII] = PORT_MII,
948 [MLX5E_PORT_FIBRE] = PORT_FIBRE,
949 [MLX5E_PORT_DA] = PORT_DA,
950 [MLX5E_PORT_OTHER] = PORT_OTHER,
953 static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type)
955 if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
956 return ptys2connector_type[connector_type];
959 (MLX5E_PROT_MASK(MLX5E_10GBASE_SR) |
960 MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) |
961 MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
962 MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
967 (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
968 MLX5E_PROT_MASK(MLX5E_10GBASE_CR) |
969 MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
974 (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
975 MLX5E_PROT_MASK(MLX5E_10GBASE_KR) |
976 MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
977 MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
984 static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
985 struct ethtool_link_ksettings *link_ksettings)
987 unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
988 bool ext = mlx5_ptys_ext_supported(mdev);
990 ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
993 int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
994 struct ethtool_link_ksettings *link_ksettings)
996 struct mlx5_core_dev *mdev = priv->mdev;
997 u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {};
1012 err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
1014 netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
1016 goto err_query_regs;
1018 ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
1019 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
1020 eth_proto_capability);
1021 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
1023 /* Fields: eth_proto_admin and ext_eth_proto_admin are
1024 * mutually exclusive. Hence try reading legacy advertising
1025 * when extended advertising is zero.
1026 * admin_ext indicates which proto_admin (ext vs. legacy)
1027 * should be read and interpreted
1030 if (ext && !eth_proto_admin) {
1031 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
1036 eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
1038 eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
1039 an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
1040 an_status = MLX5_GET(ptys_reg, out, an_status);
1041 connector_type = MLX5_GET(ptys_reg, out, connector_type);
1042 data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper);
1044 mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
1046 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
1047 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
1049 get_supported(mdev, eth_proto_cap, link_ksettings);
1050 get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
1052 get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
1053 data_rate_oper, link_ksettings);
1055 eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
1056 connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ?
1057 connector_type : MLX5E_PORT_UNKNOWN;
1058 link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type);
1059 ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin,
1061 get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
1063 if (an_status == MLX5_AN_COMPLETE)
1064 ethtool_link_ksettings_add_link_mode(link_ksettings,
1065 lp_advertising, Autoneg);
1067 link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
1069 ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
1072 err = get_fec_supported_advertised(mdev, link_ksettings);
1074 netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
1076 err = 0; /* don't fail caps query because of FEC error */
1079 if (!an_disable_admin)
1080 ethtool_link_ksettings_add_link_mode(link_ksettings,
1081 advertising, Autoneg);
1087 static int mlx5e_get_link_ksettings(struct net_device *netdev,
1088 struct ethtool_link_ksettings *link_ksettings)
1090 struct mlx5e_priv *priv = netdev_priv(netdev);
1092 return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
1095 static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
1096 const unsigned long link_modes, u8 autoneg)
1098 /* Extended link-mode has no speed limitations. */
1102 if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
1103 autoneg != AUTONEG_ENABLE) {
1104 netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
1111 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
1113 u32 i, ptys_modes = 0;
1115 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
1116 if (*ptys2legacy_ethtool_table[i].advertised == 0)
1118 if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
1120 __ETHTOOL_LINK_MODE_MASK_NBITS))
1121 ptys_modes |= MLX5E_PROT_MASK(i);
1127 static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
1129 u32 i, ptys_modes = 0;
1130 unsigned long modes[2];
1132 for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
1133 if (ptys2ext_ethtool_table[i].advertised[0] == 0 &&
1134 ptys2ext_ethtool_table[i].advertised[1] == 0)
1136 memset(modes, 0, sizeof(modes));
1137 bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
1138 link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
1140 if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
1141 modes[1] == ptys2ext_ethtool_table[i].advertised[1])
1142 ptys_modes |= MLX5E_PROT_MASK(i);
1147 static bool ext_link_mode_requested(const unsigned long *adver)
1149 #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
1150 int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
1151 __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
1153 bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
1154 return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
1157 static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
1159 bool ext_link_mode = ext_link_mode_requested(adver);
1161 return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
1164 int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1165 const struct ethtool_link_ksettings *link_ksettings)
1167 struct mlx5_core_dev *mdev = priv->mdev;
1168 struct mlx5_port_eth_proto eproto;
1169 const unsigned long *adver;
1170 bool an_changes = false;
1171 u8 an_disable_admin;
1182 u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
1184 adver = link_ksettings->link_modes.advertising;
1185 autoneg = link_ksettings->base.autoneg;
1186 speed = link_ksettings->base.speed;
1188 ext_supported = mlx5_ptys_ext_supported(mdev);
1189 ext = ext_requested(autoneg, adver, ext_supported);
1190 if (!ext_supported && ext)
1193 ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
1194 mlx5e_ethtool2ptys_adver_link;
1195 err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
1197 netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
1201 link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
1202 mlx5_port_speed2linkmodes(mdev, speed, !ext);
1204 err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
1208 link_modes = link_modes & eproto.cap;
1210 netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
1216 mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
1219 an_disable = autoneg == AUTONEG_DISABLE;
1220 an_changes = ((!an_disable && an_disable_admin) ||
1221 (an_disable && !an_disable_admin));
1223 if (!an_changes && link_modes == eproto.admin)
1226 mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
1227 mlx5_toggle_port_link(mdev);
1233 static int mlx5e_set_link_ksettings(struct net_device *netdev,
1234 const struct ethtool_link_ksettings *link_ksettings)
1236 struct mlx5e_priv *priv = netdev_priv(netdev);
1238 return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
1241 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
1243 return sizeof_field(struct mlx5e_rss_params_hash, toeplitz_hash_key);
1246 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
1248 struct mlx5e_priv *priv = netdev_priv(netdev);
1250 return mlx5e_ethtool_get_rxfh_key_size(priv);
1253 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
1255 return mlx5e_rqt_size(priv->mdev, priv->channels.params.num_channels);
1258 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
1260 struct mlx5e_priv *priv = netdev_priv(netdev);
1262 return mlx5e_ethtool_get_rxfh_indir_size(priv);
1265 int mlx5e_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh)
1267 struct mlx5e_priv *priv = netdev_priv(netdev);
1268 u32 rss_context = rxfh->rss_context;
1271 mutex_lock(&priv->state_lock);
1272 err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context,
1273 rxfh->indir, rxfh->key, &rxfh->hfunc);
1274 mutex_unlock(&priv->state_lock);
1278 int mlx5e_set_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh,
1279 struct netlink_ext_ack *extack)
1281 struct mlx5e_priv *priv = netdev_priv(dev);
1282 u32 *rss_context = &rxfh->rss_context;
1283 u8 hfunc = rxfh->hfunc;
1286 mutex_lock(&priv->state_lock);
1287 if (*rss_context && rxfh->rss_delete) {
1288 err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context);
1292 if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1293 unsigned int count = priv->channels.params.num_channels;
1295 err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count);
1300 err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context,
1301 rxfh->indir, rxfh->key,
1302 hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc);
1305 mutex_unlock(&priv->state_lock);
1309 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100
1310 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000
1311 #define MLX5E_PFC_PREVEN_MINOR_PRECENT 85
1312 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC 80
1313 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1314 max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1315 (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1317 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1318 u16 *pfc_prevention_tout)
1320 struct mlx5e_priv *priv = netdev_priv(netdev);
1321 struct mlx5_core_dev *mdev = priv->mdev;
1323 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1324 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1327 return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1330 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1333 struct mlx5e_priv *priv = netdev_priv(netdev);
1334 struct mlx5_core_dev *mdev = priv->mdev;
1338 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1339 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1342 critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1343 MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1346 if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1347 (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1348 critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1349 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1350 __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1351 MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1355 minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1356 return mlx5_set_port_stall_watermark(mdev, critical_tout,
1360 static int mlx5e_get_tunable(struct net_device *dev,
1361 const struct ethtool_tunable *tuna,
1367 case ETHTOOL_PFC_PREVENTION_TOUT:
1368 err = mlx5e_get_pfc_prevention_tout(dev, data);
1378 static int mlx5e_set_tunable(struct net_device *dev,
1379 const struct ethtool_tunable *tuna,
1382 struct mlx5e_priv *priv = netdev_priv(dev);
1385 mutex_lock(&priv->state_lock);
1388 case ETHTOOL_PFC_PREVENTION_TOUT:
1389 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1396 mutex_unlock(&priv->state_lock);
1400 static void mlx5e_get_pause_stats(struct net_device *netdev,
1401 struct ethtool_pause_stats *pause_stats)
1403 struct mlx5e_priv *priv = netdev_priv(netdev);
1405 mlx5e_stats_pause_get(priv, pause_stats);
1408 void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1409 struct ethtool_pauseparam *pauseparam)
1411 struct mlx5_core_dev *mdev = priv->mdev;
1414 err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1415 &pauseparam->tx_pause);
1417 netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1422 static void mlx5e_get_pauseparam(struct net_device *netdev,
1423 struct ethtool_pauseparam *pauseparam)
1425 struct mlx5e_priv *priv = netdev_priv(netdev);
1427 mlx5e_ethtool_get_pauseparam(priv, pauseparam);
1430 int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1431 struct ethtool_pauseparam *pauseparam)
1433 struct mlx5_core_dev *mdev = priv->mdev;
1436 if (!MLX5_CAP_GEN(mdev, vport_group_manager))
1439 if (pauseparam->autoneg)
1442 err = mlx5_set_port_pause(mdev,
1443 pauseparam->rx_pause ? 1 : 0,
1444 pauseparam->tx_pause ? 1 : 0);
1446 netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1453 static int mlx5e_set_pauseparam(struct net_device *netdev,
1454 struct ethtool_pauseparam *pauseparam)
1456 struct mlx5e_priv *priv = netdev_priv(netdev);
1458 return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
1461 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1462 struct ethtool_ts_info *info)
1464 struct mlx5_core_dev *mdev = priv->mdev;
1466 info->phc_index = mlx5_clock_get_ptp_index(mdev);
1468 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
1469 info->phc_index == -1)
1472 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1473 SOF_TIMESTAMPING_RX_HARDWARE |
1474 SOF_TIMESTAMPING_RAW_HARDWARE;
1476 info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1477 BIT(HWTSTAMP_TX_ON);
1479 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1480 BIT(HWTSTAMP_FILTER_ALL);
1485 static int mlx5e_get_ts_info(struct net_device *dev,
1486 struct ethtool_ts_info *info)
1488 struct mlx5e_priv *priv = netdev_priv(dev);
1490 return mlx5e_ethtool_get_ts_info(priv, info);
1493 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1497 if (MLX5_CAP_GEN(mdev, wol_g))
1500 if (MLX5_CAP_GEN(mdev, wol_s))
1501 ret |= WAKE_MAGICSECURE;
1503 if (MLX5_CAP_GEN(mdev, wol_a))
1506 if (MLX5_CAP_GEN(mdev, wol_b))
1509 if (MLX5_CAP_GEN(mdev, wol_m))
1512 if (MLX5_CAP_GEN(mdev, wol_u))
1515 if (MLX5_CAP_GEN(mdev, wol_p))
1521 static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)
1525 if (mode & MLX5_WOL_MAGIC)
1528 if (mode & MLX5_WOL_SECURED_MAGIC)
1529 ret |= WAKE_MAGICSECURE;
1531 if (mode & MLX5_WOL_ARP)
1534 if (mode & MLX5_WOL_BROADCAST)
1537 if (mode & MLX5_WOL_MULTICAST)
1540 if (mode & MLX5_WOL_UNICAST)
1543 if (mode & MLX5_WOL_PHY_ACTIVITY)
1549 static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)
1553 if (mode & WAKE_MAGIC)
1554 ret |= MLX5_WOL_MAGIC;
1556 if (mode & WAKE_MAGICSECURE)
1557 ret |= MLX5_WOL_SECURED_MAGIC;
1559 if (mode & WAKE_ARP)
1560 ret |= MLX5_WOL_ARP;
1562 if (mode & WAKE_BCAST)
1563 ret |= MLX5_WOL_BROADCAST;
1565 if (mode & WAKE_MCAST)
1566 ret |= MLX5_WOL_MULTICAST;
1568 if (mode & WAKE_UCAST)
1569 ret |= MLX5_WOL_UNICAST;
1571 if (mode & WAKE_PHY)
1572 ret |= MLX5_WOL_PHY_ACTIVITY;
1577 static void mlx5e_get_wol(struct net_device *netdev,
1578 struct ethtool_wolinfo *wol)
1580 struct mlx5e_priv *priv = netdev_priv(netdev);
1581 struct mlx5_core_dev *mdev = priv->mdev;
1585 memset(wol, 0, sizeof(*wol));
1587 wol->supported = mlx5e_get_wol_supported(mdev);
1588 if (!wol->supported)
1591 err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1595 wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1598 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1600 struct mlx5e_priv *priv = netdev_priv(netdev);
1601 struct mlx5_core_dev *mdev = priv->mdev;
1602 __u32 wol_supported = mlx5e_get_wol_supported(mdev);
1608 if (wol->wolopts & ~wol_supported)
1611 mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
1613 return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1616 static void mlx5e_get_fec_stats(struct net_device *netdev,
1617 struct ethtool_fec_stats *fec_stats)
1619 struct mlx5e_priv *priv = netdev_priv(netdev);
1621 mlx5e_stats_fec_get(priv, fec_stats);
1624 static int mlx5e_get_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;
1633 err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1638 fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
1639 sizeof(unsigned long) * BITS_PER_BYTE);
1641 if (!fecparam->active_fec)
1644 fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
1645 sizeof(unsigned long) * BITS_PER_BYTE);
1650 static int mlx5e_set_fecparam(struct net_device *netdev,
1651 struct ethtool_fecparam *fecparam)
1653 struct mlx5e_priv *priv = netdev_priv(netdev);
1654 struct mlx5_core_dev *mdev = priv->mdev;
1655 unsigned long fec_bitmap;
1660 bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE);
1661 if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1)
1664 for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1665 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1667 fec_policy |= (1 << mode);
1671 err = mlx5e_set_fec_mode(mdev, fec_policy);
1676 mlx5_toggle_port_link(mdev);
1681 static int mlx5e_set_phys_id(struct net_device *dev,
1682 enum ethtool_phys_id_state state)
1684 struct mlx5e_priv *priv = netdev_priv(dev);
1685 struct mlx5_core_dev *mdev = priv->mdev;
1686 u16 beacon_duration;
1688 if (!MLX5_CAP_GEN(mdev, beacon_led))
1692 case ETHTOOL_ID_ACTIVE:
1693 beacon_duration = MLX5_BEACON_DURATION_INF;
1695 case ETHTOOL_ID_INACTIVE:
1696 beacon_duration = MLX5_BEACON_DURATION_OFF;
1702 return mlx5_set_port_beacon(mdev, beacon_duration);
1705 static int mlx5e_get_module_info(struct net_device *netdev,
1706 struct ethtool_modinfo *modinfo)
1708 struct mlx5e_priv *priv = netdev_priv(netdev);
1709 struct mlx5_core_dev *dev = priv->mdev;
1713 size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1717 /* data[0] = identifier byte */
1719 case MLX5_MODULE_ID_QSFP:
1720 modinfo->type = ETH_MODULE_SFF_8436;
1721 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1723 case MLX5_MODULE_ID_QSFP_PLUS:
1724 case MLX5_MODULE_ID_QSFP28:
1725 /* data[1] = revision id */
1726 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1727 modinfo->type = ETH_MODULE_SFF_8636;
1728 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1730 modinfo->type = ETH_MODULE_SFF_8436;
1731 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1734 case MLX5_MODULE_ID_SFP:
1735 modinfo->type = ETH_MODULE_SFF_8472;
1736 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1739 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1747 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1748 struct ethtool_eeprom *ee,
1751 struct mlx5e_priv *priv = netdev_priv(netdev);
1752 struct mlx5_core_dev *mdev = priv->mdev;
1753 int offset = ee->offset;
1760 memset(data, 0, ee->len);
1762 while (i < ee->len) {
1763 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1770 if (size_read < 0) {
1771 netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1772 __func__, size_read);
1777 offset += size_read;
1783 static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev,
1784 const struct ethtool_module_eeprom *page_data,
1785 struct netlink_ext_ack *extack)
1787 struct mlx5e_priv *priv = netdev_priv(netdev);
1788 struct mlx5_module_eeprom_query_params query;
1789 struct mlx5_core_dev *mdev = priv->mdev;
1790 u8 *data = page_data->data;
1794 if (!page_data->length)
1797 memset(data, 0, page_data->length);
1799 query.offset = page_data->offset;
1800 query.i2c_address = page_data->i2c_address;
1801 query.bank = page_data->bank;
1802 query.page = page_data->page;
1803 while (i < page_data->length) {
1804 query.size = page_data->length - i;
1805 size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i);
1807 /* Done reading, return how many bytes was read */
1811 if (size_read == -EINVAL)
1813 if (size_read < 0) {
1814 netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n",
1815 __func__, size_read);
1820 query.offset += size_read;
1826 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1827 struct ethtool_flash *flash)
1829 struct mlx5_core_dev *mdev = priv->mdev;
1830 struct net_device *dev = priv->netdev;
1831 const struct firmware *fw;
1834 if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1837 err = request_firmware_direct(&fw, flash->data, &dev->dev);
1844 err = mlx5_firmware_flash(mdev, fw, NULL);
1845 release_firmware(fw);
1852 static int mlx5e_flash_device(struct net_device *dev,
1853 struct ethtool_flash *flash)
1855 struct mlx5e_priv *priv = netdev_priv(dev);
1857 return mlx5e_ethtool_flash_device(priv, flash);
1860 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1863 struct mlx5e_priv *priv = netdev_priv(netdev);
1864 u8 cq_period_mode, current_cq_period_mode;
1865 struct mlx5e_params new_params;
1867 if (enable && !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe))
1870 cq_period_mode = cqe_mode_to_period_mode(enable);
1872 current_cq_period_mode = is_rx_cq ?
1873 priv->channels.params.rx_cq_moderation.cq_period_mode :
1874 priv->channels.params.tx_cq_moderation.cq_period_mode;
1876 if (cq_period_mode == current_cq_period_mode)
1879 new_params = priv->channels.params;
1881 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode);
1883 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode);
1885 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1888 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1890 return set_pflag_cqe_based_moder(netdev, enable, false);
1893 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1895 return set_pflag_cqe_based_moder(netdev, enable, true);
1898 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val, bool rx_filter)
1900 bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1901 struct mlx5e_params new_params;
1904 if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1905 return new_val ? -EOPNOTSUPP : 0;
1907 if (curr_val == new_val)
1910 if (new_val && !mlx5e_profile_feature_cap(priv->profile, PTP_RX) && rx_filter) {
1911 netdev_err(priv->netdev,
1912 "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n");
1916 if (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
1917 netdev_warn(priv->netdev, "Can't set CQE compression with HW-GRO, disable it first.\n");
1921 new_params = priv->channels.params;
1922 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1924 new_params.ptp_rx = new_val;
1926 if (new_params.ptp_rx == priv->channels.params.ptp_rx)
1927 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1929 err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx,
1930 &new_params.ptp_rx, true);
1934 netdev_dbg(priv->netdev, "MLX5E: RxCqeCmprss was turned %s\n",
1935 MLX5E_GET_PFLAG(&priv->channels.params,
1936 MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1941 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1944 struct mlx5e_priv *priv = netdev_priv(netdev);
1945 struct mlx5_core_dev *mdev = priv->mdev;
1949 if (!MLX5_CAP_GEN(mdev, cqe_compression))
1952 rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE;
1953 err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter);
1957 priv->channels.params.rx_cqe_compress_def = enable;
1962 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1964 struct mlx5e_priv *priv = netdev_priv(netdev);
1965 struct mlx5_core_dev *mdev = priv->mdev;
1966 struct mlx5e_params new_params;
1970 /* Checking the regular RQ here; mlx5e_validate_xsk_param called
1971 * from mlx5e_open_xsk will check for each XSK queue, and
1972 * mlx5e_safe_switch_params will be reverted if any check fails.
1974 int err = mlx5e_mpwrq_validate_regular(mdev, &priv->channels.params);
1978 } else if (priv->channels.params.packet_merge.type != MLX5E_PACKET_MERGE_NONE) {
1979 netdev_warn(netdev, "Can't set legacy RQ with HW-GRO/LRO, disable them first\n");
1983 new_params = priv->channels.params;
1985 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1986 mlx5e_set_rq_type(mdev, &new_params);
1988 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
1992 /* update XDP supported features */
1993 mlx5e_set_xdp_feature(netdev);
1998 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
2000 struct mlx5e_priv *priv = netdev_priv(netdev);
2001 struct mlx5e_channels *channels = &priv->channels;
2002 struct mlx5e_channel *c;
2005 if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
2006 priv->channels.params.xdp_prog)
2009 for (i = 0; i < channels->num; i++) {
2012 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
2014 __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
2020 static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable)
2022 struct mlx5e_priv *priv = netdev_priv(netdev);
2023 struct mlx5_core_dev *mdev = priv->mdev;
2024 struct mlx5e_params new_params;
2026 if (enable && !mlx5e_tx_mpwqe_supported(mdev))
2029 new_params = priv->channels.params;
2031 MLX5E_SET_PFLAG(&new_params, flag, enable);
2033 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true);
2036 static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
2038 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
2041 static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable)
2043 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable);
2046 static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable)
2048 struct mlx5e_priv *priv = netdev_priv(netdev);
2049 struct mlx5_core_dev *mdev = priv->mdev;
2050 struct mlx5e_params new_params;
2053 if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn) ||
2054 !MLX5_CAP_GEN_2(mdev, ts_cqe_metadata_size2wqe_counter))
2057 /* Don't allow changing the PTP state if HTB offload is active, because
2058 * the numeration of the QoS SQs will change, while per-queue qdiscs are
2061 if (mlx5e_selq_is_htb_enabled(&priv->selq)) {
2062 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n",
2067 new_params = priv->channels.params;
2068 /* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is
2069 * active, since it defines explicitly which TC accepts the packet.
2070 * This conflicts with TX-port-TS hijacking the PTP traffic to a specific
2073 if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) {
2074 netdev_err(priv->netdev,
2075 "%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n",
2079 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable);
2080 /* No need to verify SQ stop room as
2081 * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both
2082 * has the same log_sq_size.
2085 err = mlx5e_safe_switch_params(priv, &new_params,
2086 mlx5e_num_channels_changed_ctx, NULL, true);
2088 priv->tx_ptp_opened = true;
2093 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
2094 { "rx_cqe_moder", set_pflag_rx_cqe_based_moder },
2095 { "tx_cqe_moder", set_pflag_tx_cqe_based_moder },
2096 { "rx_cqe_compress", set_pflag_rx_cqe_compress },
2097 { "rx_striding_rq", set_pflag_rx_striding_rq },
2098 { "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
2099 { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe },
2100 { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe },
2101 { "tx_port_ts", set_pflag_tx_port_ts },
2104 static int mlx5e_handle_pflag(struct net_device *netdev,
2106 enum mlx5e_priv_flag flag)
2108 struct mlx5e_priv *priv = netdev_priv(netdev);
2109 bool enable = !!(wanted_flags & BIT(flag));
2110 u32 changes = wanted_flags ^ priv->channels.params.pflags;
2113 if (!(changes & BIT(flag)))
2116 err = mlx5e_priv_flags[flag].handler(netdev, enable);
2118 netdev_err(netdev, "%s private flag '%s' failed err %d\n",
2119 enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err);
2123 MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
2127 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
2129 struct mlx5e_priv *priv = netdev_priv(netdev);
2130 enum mlx5e_priv_flag pflag;
2133 mutex_lock(&priv->state_lock);
2135 for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
2136 err = mlx5e_handle_pflag(netdev, pflags, pflag);
2141 mutex_unlock(&priv->state_lock);
2143 /* Need to fix some features.. */
2144 netdev_update_features(netdev);
2149 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
2151 struct mlx5e_priv *priv = netdev_priv(netdev);
2153 return priv->channels.params.pflags;
2156 static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2159 struct mlx5e_priv *priv = netdev_priv(dev);
2161 /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
2162 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
2163 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
2164 * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
2166 if (info->cmd == ETHTOOL_GRXRINGS) {
2167 info->data = priv->channels.params.num_channels;
2171 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs);
2174 static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2176 struct mlx5e_priv *priv = netdev_priv(dev);
2178 return mlx5e_ethtool_set_rxnfc(priv, cmd);
2181 static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode)
2183 struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page;
2184 u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {};
2185 u32 out[MLX5_ST_SZ_DW(pddr_reg)];
2188 MLX5_SET(pddr_reg, in, local_port, 1);
2189 MLX5_SET(pddr_reg, in, page_select,
2190 MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE);
2192 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data);
2193 MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page,
2194 group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR);
2195 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
2196 sizeof(out), MLX5_REG_PDDR, 0, 0);
2200 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data);
2201 *status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page,
2206 struct mlx5e_ethtool_link_ext_state_opcode_mapping {
2208 enum ethtool_link_ext_state link_ext_state;
2209 u8 link_ext_substate;
2212 static const struct mlx5e_ethtool_link_ext_state_opcode_mapping
2213 mlx5e_link_ext_state_opcode_map[] = {
2214 /* States relating to the autonegotiation or issues therein */
2215 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2216 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED},
2217 {3, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2218 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
2219 {4, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2220 ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED},
2221 {36, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2222 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE},
2223 {38, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2224 ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE},
2225 {39, ETHTOOL_LINK_EXT_STATE_AUTONEG,
2226 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
2228 /* Failure during link training */
2229 {5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2230 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED},
2231 {6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2232 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
2233 {7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2234 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
2235 {8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0},
2236 {14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
2237 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
2239 /* Logical mismatch in physical coding sublayer or forward error correction sublayer */
2240 {9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2241 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
2242 {10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2243 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK},
2244 {11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2245 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS},
2246 {12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2247 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
2248 {13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
2249 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
2251 /* Signal integrity issues */
2252 {15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0},
2253 {17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2254 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
2255 {42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
2256 ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE},
2258 /* No cable connected */
2259 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
2261 /* Failure is related to cable, e.g., unsupported cable */
2262 {16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2263 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2264 {20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2265 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2266 {29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2267 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2268 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2269 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2270 {1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
2271 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
2272 {1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0},
2274 /* Failure is related to EEPROM, e.g., failure during reading or parsing the data */
2275 {1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
2277 /* Failure during calibration algorithm */
2278 {23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0},
2280 /* The hardware is not able to provide the power required from cable or module */
2281 {1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0},
2283 /* The module is overheated */
2284 {1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0},
2288 mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping
2289 link_ext_state_mapping,
2290 struct ethtool_link_ext_state_info *link_ext_state_info)
2292 switch (link_ext_state_mapping.link_ext_state) {
2293 case ETHTOOL_LINK_EXT_STATE_AUTONEG:
2294 link_ext_state_info->autoneg =
2295 link_ext_state_mapping.link_ext_substate;
2297 case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE:
2298 link_ext_state_info->link_training =
2299 link_ext_state_mapping.link_ext_substate;
2301 case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH:
2302 link_ext_state_info->link_logical_mismatch =
2303 link_ext_state_mapping.link_ext_substate;
2305 case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY:
2306 link_ext_state_info->bad_signal_integrity =
2307 link_ext_state_mapping.link_ext_substate;
2309 case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE:
2310 link_ext_state_info->cable_issue =
2311 link_ext_state_mapping.link_ext_substate;
2317 link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state;
2321 mlx5e_get_link_ext_state(struct net_device *dev,
2322 struct ethtool_link_ext_state_info *link_ext_state_info)
2324 struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping;
2325 struct mlx5e_priv *priv = netdev_priv(dev);
2326 u32 status_opcode = 0;
2329 /* Exit without data if the interface state is OK, since no extended data is
2330 * available in such case
2332 if (netif_carrier_ok(dev))
2335 if (query_port_status_opcode(priv->mdev, &status_opcode) ||
2339 for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) {
2340 link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i];
2341 if (link_ext_state_mapping.status_opcode == status_opcode) {
2342 mlx5e_set_link_ext_state(link_ext_state_mapping,
2343 link_ext_state_info);
2351 static void mlx5e_get_eth_phy_stats(struct net_device *netdev,
2352 struct ethtool_eth_phy_stats *phy_stats)
2354 struct mlx5e_priv *priv = netdev_priv(netdev);
2356 mlx5e_stats_eth_phy_get(priv, phy_stats);
2359 static void mlx5e_get_eth_mac_stats(struct net_device *netdev,
2360 struct ethtool_eth_mac_stats *mac_stats)
2362 struct mlx5e_priv *priv = netdev_priv(netdev);
2364 mlx5e_stats_eth_mac_get(priv, mac_stats);
2367 static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev,
2368 struct ethtool_eth_ctrl_stats *ctrl_stats)
2370 struct mlx5e_priv *priv = netdev_priv(netdev);
2372 mlx5e_stats_eth_ctrl_get(priv, ctrl_stats);
2375 static void mlx5e_get_rmon_stats(struct net_device *netdev,
2376 struct ethtool_rmon_stats *rmon_stats,
2377 const struct ethtool_rmon_hist_range **ranges)
2379 struct mlx5e_priv *priv = netdev_priv(netdev);
2381 mlx5e_stats_rmon_get(priv, rmon_stats, ranges);
2384 const struct ethtool_ops mlx5e_ethtool_ops = {
2385 .cap_rss_ctx_supported = true,
2386 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2387 ETHTOOL_COALESCE_MAX_FRAMES |
2388 ETHTOOL_COALESCE_USE_ADAPTIVE |
2389 ETHTOOL_COALESCE_USE_CQE,
2390 .get_drvinfo = mlx5e_get_drvinfo,
2391 .get_link = ethtool_op_get_link,
2392 .get_link_ext_state = mlx5e_get_link_ext_state,
2393 .get_strings = mlx5e_get_strings,
2394 .get_sset_count = mlx5e_get_sset_count,
2395 .get_ethtool_stats = mlx5e_get_ethtool_stats,
2396 .get_ringparam = mlx5e_get_ringparam,
2397 .set_ringparam = mlx5e_set_ringparam,
2398 .get_channels = mlx5e_get_channels,
2399 .set_channels = mlx5e_set_channels,
2400 .get_coalesce = mlx5e_get_coalesce,
2401 .set_coalesce = mlx5e_set_coalesce,
2402 .get_link_ksettings = mlx5e_get_link_ksettings,
2403 .set_link_ksettings = mlx5e_set_link_ksettings,
2404 .get_rxfh_key_size = mlx5e_get_rxfh_key_size,
2405 .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
2406 .get_rxfh = mlx5e_get_rxfh,
2407 .set_rxfh = mlx5e_set_rxfh,
2408 .get_rxnfc = mlx5e_get_rxnfc,
2409 .set_rxnfc = mlx5e_set_rxnfc,
2410 .get_tunable = mlx5e_get_tunable,
2411 .set_tunable = mlx5e_set_tunable,
2412 .get_pause_stats = mlx5e_get_pause_stats,
2413 .get_pauseparam = mlx5e_get_pauseparam,
2414 .set_pauseparam = mlx5e_set_pauseparam,
2415 .get_ts_info = mlx5e_get_ts_info,
2416 .set_phys_id = mlx5e_set_phys_id,
2417 .get_wol = mlx5e_get_wol,
2418 .set_wol = mlx5e_set_wol,
2419 .get_module_info = mlx5e_get_module_info,
2420 .get_module_eeprom = mlx5e_get_module_eeprom,
2421 .get_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page,
2422 .flash_device = mlx5e_flash_device,
2423 .get_priv_flags = mlx5e_get_priv_flags,
2424 .set_priv_flags = mlx5e_set_priv_flags,
2425 .self_test = mlx5e_self_test,
2426 .get_fec_stats = mlx5e_get_fec_stats,
2427 .get_fecparam = mlx5e_get_fecparam,
2428 .set_fecparam = mlx5e_set_fecparam,
2429 .get_eth_phy_stats = mlx5e_get_eth_phy_stats,
2430 .get_eth_mac_stats = mlx5e_get_eth_mac_stats,
2431 .get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats,
2432 .get_rmon_stats = mlx5e_get_rmon_stats,
2433 .get_link_ext_stats = mlx5e_get_link_ext_stats