1 /*
2  * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #include "en.h"
34 #include "en/port.h"
35 #include "en/xsk/pool.h"
36 #include "lib/clock.h"
37 
mlx5e_ethtool_get_drvinfo(struct mlx5e_priv * priv,struct ethtool_drvinfo * drvinfo)38 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
39 			       struct ethtool_drvinfo *drvinfo)
40 {
41 	struct mlx5_core_dev *mdev = priv->mdev;
42 
43 	strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver));
44 	strlcpy(drvinfo->version, DRIVER_VERSION,
45 		sizeof(drvinfo->version));
46 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
47 		 "%d.%d.%04d (%.16s)",
48 		 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
49 		 mdev->board_id);
50 	strlcpy(drvinfo->bus_info, dev_name(mdev->device),
51 		sizeof(drvinfo->bus_info));
52 }
53 
mlx5e_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)54 static void mlx5e_get_drvinfo(struct net_device *dev,
55 			      struct ethtool_drvinfo *drvinfo)
56 {
57 	struct mlx5e_priv *priv = netdev_priv(dev);
58 
59 	mlx5e_ethtool_get_drvinfo(priv, drvinfo);
60 }
61 
62 struct ptys2ethtool_config {
63 	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
64 	__ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
65 };
66 
67 static
68 struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER];
69 static
70 struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER];
71 
72 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...)                  \
73 	({                                                              \
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]);          \
87 		}                                                       \
88 	})
89 
mlx5e_build_ptys2ethtool_map(void)90 void mlx5e_build_ptys2ethtool_map(void)
91 {
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,
170 				       ext,
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);
215 }
216 
mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev * mdev,struct ptys2ethtool_config ** arr,u32 * size)217 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,
218 					struct ptys2ethtool_config **arr,
219 					u32 *size)
220 {
221 	bool ext = mlx5e_ptys_ext_supported(mdev);
222 
223 	*arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
224 	*size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
225 		      ARRAY_SIZE(ptys2legacy_ethtool_table);
226 }
227 
228 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
229 
230 struct pflag_desc {
231 	char name[ETH_GSTRING_LEN];
232 	mlx5e_pflag_handler handler;
233 };
234 
235 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS];
236 
mlx5e_ethtool_get_sset_count(struct mlx5e_priv * priv,int sset)237 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
238 {
239 	switch (sset) {
240 	case ETH_SS_STATS:
241 		return mlx5e_stats_total_num(priv);
242 	case ETH_SS_PRIV_FLAGS:
243 		return MLX5E_NUM_PFLAGS;
244 	case ETH_SS_TEST:
245 		return mlx5e_self_test_num(priv);
246 	default:
247 		return -EOPNOTSUPP;
248 	}
249 }
250 
mlx5e_get_sset_count(struct net_device * dev,int sset)251 static int mlx5e_get_sset_count(struct net_device *dev, int sset)
252 {
253 	struct mlx5e_priv *priv = netdev_priv(dev);
254 
255 	return mlx5e_ethtool_get_sset_count(priv, sset);
256 }
257 
mlx5e_ethtool_get_strings(struct mlx5e_priv * priv,u32 stringset,u8 * data)258 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
259 {
260 	int i;
261 
262 	switch (stringset) {
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);
267 		break;
268 
269 	case ETH_SS_TEST:
270 		for (i = 0; i < mlx5e_self_test_num(priv); i++)
271 			strcpy(data + i * ETH_GSTRING_LEN,
272 			       mlx5e_self_tests[i]);
273 		break;
274 
275 	case ETH_SS_STATS:
276 		mlx5e_stats_fill_strings(priv, data);
277 		break;
278 	}
279 }
280 
mlx5e_get_strings(struct net_device * dev,u32 stringset,u8 * data)281 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data)
282 {
283 	struct mlx5e_priv *priv = netdev_priv(dev);
284 
285 	mlx5e_ethtool_get_strings(priv, stringset, data);
286 }
287 
mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv * priv,struct ethtool_stats * stats,u64 * data)288 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
289 				     struct ethtool_stats *stats, u64 *data)
290 {
291 	int idx = 0;
292 
293 	mutex_lock(&priv->state_lock);
294 	mlx5e_stats_update(priv);
295 	mutex_unlock(&priv->state_lock);
296 
297 	mlx5e_stats_fill(priv, data, idx);
298 }
299 
mlx5e_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)300 static void mlx5e_get_ethtool_stats(struct net_device *dev,
301 				    struct ethtool_stats *stats,
302 				    u64 *data)
303 {
304 	struct mlx5e_priv *priv = netdev_priv(dev);
305 
306 	mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
307 }
308 
mlx5e_ethtool_get_ringparam(struct mlx5e_priv * priv,struct ethtool_ringparam * param)309 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
310 				 struct ethtool_ringparam *param)
311 {
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;
316 }
317 
mlx5e_get_ringparam(struct net_device * dev,struct ethtool_ringparam * param)318 static void mlx5e_get_ringparam(struct net_device *dev,
319 				struct ethtool_ringparam *param)
320 {
321 	struct mlx5e_priv *priv = netdev_priv(dev);
322 
323 	mlx5e_ethtool_get_ringparam(priv, param);
324 }
325 
mlx5e_ethtool_set_ringparam(struct mlx5e_priv * priv,struct ethtool_ringparam * param)326 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
327 				struct ethtool_ringparam *param)
328 {
329 	struct mlx5e_channels new_channels = {};
330 	u8 log_rq_size;
331 	u8 log_sq_size;
332 	int err = 0;
333 
334 	if (param->rx_jumbo_pending) {
335 		netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n",
336 			    __func__);
337 		return -EINVAL;
338 	}
339 	if (param->rx_mini_pending) {
340 		netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n",
341 			    __func__);
342 		return -EINVAL;
343 	}
344 
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);
349 		return -EINVAL;
350 	}
351 
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);
356 		return -EINVAL;
357 	}
358 
359 	log_rq_size = order_base_2(param->rx_pending);
360 	log_sq_size = order_base_2(param->tx_pending);
361 
362 	if (log_rq_size == priv->channels.params.log_rq_mtu_frames &&
363 	    log_sq_size == priv->channels.params.log_sq_size)
364 		return 0;
365 
366 	mutex_lock(&priv->state_lock);
367 
368 	new_channels.params = priv->channels.params;
369 	new_channels.params.log_rq_mtu_frames = log_rq_size;
370 	new_channels.params.log_sq_size = log_sq_size;
371 
372 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
373 		priv->channels.params = new_channels.params;
374 		goto unlock;
375 	}
376 
377 	err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
378 
379 unlock:
380 	mutex_unlock(&priv->state_lock);
381 
382 	return err;
383 }
384 
mlx5e_set_ringparam(struct net_device * dev,struct ethtool_ringparam * param)385 static int mlx5e_set_ringparam(struct net_device *dev,
386 			       struct ethtool_ringparam *param)
387 {
388 	struct mlx5e_priv *priv = netdev_priv(dev);
389 
390 	return mlx5e_ethtool_set_ringparam(priv, param);
391 }
392 
mlx5e_ethtool_get_channels(struct mlx5e_priv * priv,struct ethtool_channels * ch)393 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
394 				struct ethtool_channels *ch)
395 {
396 	mutex_lock(&priv->state_lock);
397 
398 	ch->max_combined   = priv->max_nch;
399 	ch->combined_count = priv->channels.params.num_channels;
400 	if (priv->xsk.refcnt) {
401 		/* The upper half are XSK queues. */
402 		ch->max_combined *= 2;
403 		ch->combined_count *= 2;
404 	}
405 
406 	mutex_unlock(&priv->state_lock);
407 }
408 
mlx5e_get_channels(struct net_device * dev,struct ethtool_channels * ch)409 static void mlx5e_get_channels(struct net_device *dev,
410 			       struct ethtool_channels *ch)
411 {
412 	struct mlx5e_priv *priv = netdev_priv(dev);
413 
414 	mlx5e_ethtool_get_channels(priv, ch);
415 }
416 
mlx5e_ethtool_set_channels(struct mlx5e_priv * priv,struct ethtool_channels * ch)417 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
418 			       struct ethtool_channels *ch)
419 {
420 	struct mlx5e_params *cur_params = &priv->channels.params;
421 	unsigned int count = ch->combined_count;
422 	struct mlx5e_channels new_channels = {};
423 	bool arfs_enabled;
424 	int err = 0;
425 
426 	if (!count) {
427 		netdev_info(priv->netdev, "%s: combined_count=0 not supported\n",
428 			    __func__);
429 		return -EINVAL;
430 	}
431 
432 	if (cur_params->num_channels == count)
433 		return 0;
434 
435 	mutex_lock(&priv->state_lock);
436 
437 	/* Don't allow changing the number of channels if there is an active
438 	 * XSK, because the numeration of the XSK and regular RQs will change.
439 	 */
440 	if (priv->xsk.refcnt) {
441 		err = -EINVAL;
442 		netdev_err(priv->netdev, "%s: AF_XDP is active, cannot change the number of channels\n",
443 			   __func__);
444 		goto out;
445 	}
446 
447 	new_channels.params = priv->channels.params;
448 	new_channels.params.num_channels = count;
449 
450 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
451 		*cur_params = new_channels.params;
452 		err = mlx5e_num_channels_changed(priv);
453 		goto out;
454 	}
455 
456 	arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
457 	if (arfs_enabled)
458 		mlx5e_arfs_disable(priv);
459 
460 	/* Switch to new channels, set new parameters and close old ones */
461 	err = mlx5e_safe_switch_channels(priv, &new_channels,
462 					 mlx5e_num_channels_changed_ctx, NULL);
463 
464 	if (arfs_enabled) {
465 		int err2 = mlx5e_arfs_enable(priv);
466 
467 		if (err2)
468 			netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
469 				   __func__, err2);
470 	}
471 
472 out:
473 	mutex_unlock(&priv->state_lock);
474 
475 	return err;
476 }
477 
mlx5e_set_channels(struct net_device * dev,struct ethtool_channels * ch)478 static int mlx5e_set_channels(struct net_device *dev,
479 			      struct ethtool_channels *ch)
480 {
481 	struct mlx5e_priv *priv = netdev_priv(dev);
482 
483 	return mlx5e_ethtool_set_channels(priv, ch);
484 }
485 
mlx5e_ethtool_get_coalesce(struct mlx5e_priv * priv,struct ethtool_coalesce * coal)486 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
487 			       struct ethtool_coalesce *coal)
488 {
489 	struct dim_cq_moder *rx_moder, *tx_moder;
490 
491 	if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
492 		return -EOPNOTSUPP;
493 
494 	rx_moder = &priv->channels.params.rx_cq_moderation;
495 	coal->rx_coalesce_usecs		= rx_moder->usec;
496 	coal->rx_max_coalesced_frames	= rx_moder->pkts;
497 	coal->use_adaptive_rx_coalesce	= priv->channels.params.rx_dim_enabled;
498 
499 	tx_moder = &priv->channels.params.tx_cq_moderation;
500 	coal->tx_coalesce_usecs		= tx_moder->usec;
501 	coal->tx_max_coalesced_frames	= tx_moder->pkts;
502 	coal->use_adaptive_tx_coalesce	= priv->channels.params.tx_dim_enabled;
503 
504 	return 0;
505 }
506 
mlx5e_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal)507 static int mlx5e_get_coalesce(struct net_device *netdev,
508 			      struct ethtool_coalesce *coal)
509 {
510 	struct mlx5e_priv *priv = netdev_priv(netdev);
511 
512 	return mlx5e_ethtool_get_coalesce(priv, coal);
513 }
514 
515 #define MLX5E_MAX_COAL_TIME		MLX5_MAX_CQ_PERIOD
516 #define MLX5E_MAX_COAL_FRAMES		MLX5_MAX_CQ_COUNT
517 
518 static void
mlx5e_set_priv_channels_coalesce(struct mlx5e_priv * priv,struct ethtool_coalesce * coal)519 mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
520 {
521 	struct mlx5_core_dev *mdev = priv->mdev;
522 	int tc;
523 	int i;
524 
525 	for (i = 0; i < priv->channels.num; ++i) {
526 		struct mlx5e_channel *c = priv->channels.c[i];
527 
528 		for (tc = 0; tc < c->num_tc; tc++) {
529 			mlx5_core_modify_cq_moderation(mdev,
530 						&c->sq[tc].cq.mcq,
531 						coal->tx_coalesce_usecs,
532 						coal->tx_max_coalesced_frames);
533 		}
534 
535 		mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
536 					       coal->rx_coalesce_usecs,
537 					       coal->rx_max_coalesced_frames);
538 	}
539 }
540 
mlx5e_ethtool_set_coalesce(struct mlx5e_priv * priv,struct ethtool_coalesce * coal)541 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
542 			       struct ethtool_coalesce *coal)
543 {
544 	struct dim_cq_moder *rx_moder, *tx_moder;
545 	struct mlx5_core_dev *mdev = priv->mdev;
546 	struct mlx5e_channels new_channels = {};
547 	bool reset_rx, reset_tx;
548 	int err = 0;
549 
550 	if (!MLX5_CAP_GEN(mdev, cq_moderation))
551 		return -EOPNOTSUPP;
552 
553 	if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
554 	    coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
555 		netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
556 			    __func__, MLX5E_MAX_COAL_TIME);
557 		return -ERANGE;
558 	}
559 
560 	if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
561 	    coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
562 		netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
563 			    __func__, MLX5E_MAX_COAL_FRAMES);
564 		return -ERANGE;
565 	}
566 
567 	mutex_lock(&priv->state_lock);
568 	new_channels.params = priv->channels.params;
569 
570 	rx_moder          = &new_channels.params.rx_cq_moderation;
571 	rx_moder->usec    = coal->rx_coalesce_usecs;
572 	rx_moder->pkts    = coal->rx_max_coalesced_frames;
573 	new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
574 
575 	tx_moder          = &new_channels.params.tx_cq_moderation;
576 	tx_moder->usec    = coal->tx_coalesce_usecs;
577 	tx_moder->pkts    = coal->tx_max_coalesced_frames;
578 	new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
579 
580 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
581 		priv->channels.params = new_channels.params;
582 		goto out;
583 	}
584 	/* we are opened */
585 
586 	reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
587 	reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
588 
589 	if (!reset_rx && !reset_tx) {
590 		mlx5e_set_priv_channels_coalesce(priv, coal);
591 		priv->channels.params = new_channels.params;
592 		goto out;
593 	}
594 
595 	if (reset_rx) {
596 		u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
597 					  MLX5E_PFLAG_RX_CQE_BASED_MODER);
598 
599 		mlx5e_reset_rx_moderation(&new_channels.params, mode);
600 	}
601 	if (reset_tx) {
602 		u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
603 					  MLX5E_PFLAG_TX_CQE_BASED_MODER);
604 
605 		mlx5e_reset_tx_moderation(&new_channels.params, mode);
606 	}
607 
608 	err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
609 
610 out:
611 	mutex_unlock(&priv->state_lock);
612 	return err;
613 }
614 
mlx5e_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal)615 static int mlx5e_set_coalesce(struct net_device *netdev,
616 			      struct ethtool_coalesce *coal)
617 {
618 	struct mlx5e_priv *priv    = netdev_priv(netdev);
619 
620 	return mlx5e_ethtool_set_coalesce(priv, coal);
621 }
622 
ptys2ethtool_supported_link(struct mlx5_core_dev * mdev,unsigned long * supported_modes,u32 eth_proto_cap)623 static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
624 					unsigned long *supported_modes,
625 					u32 eth_proto_cap)
626 {
627 	unsigned long proto_cap = eth_proto_cap;
628 	struct ptys2ethtool_config *table;
629 	u32 max_size;
630 	int proto;
631 
632 	mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
633 	for_each_set_bit(proto, &proto_cap, max_size)
634 		bitmap_or(supported_modes, supported_modes,
635 			  table[proto].supported,
636 			  __ETHTOOL_LINK_MODE_MASK_NBITS);
637 }
638 
ptys2ethtool_adver_link(unsigned long * advertising_modes,u32 eth_proto_cap,bool ext)639 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
640 				    u32 eth_proto_cap, bool ext)
641 {
642 	unsigned long proto_cap = eth_proto_cap;
643 	struct ptys2ethtool_config *table;
644 	u32 max_size;
645 	int proto;
646 
647 	table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
648 	max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
649 			 ARRAY_SIZE(ptys2legacy_ethtool_table);
650 
651 	for_each_set_bit(proto, &proto_cap, max_size)
652 		bitmap_or(advertising_modes, advertising_modes,
653 			  table[proto].advertised,
654 			  __ETHTOOL_LINK_MODE_MASK_NBITS);
655 }
656 
657 static const u32 pplm_fec_2_ethtool[] = {
658 	[MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
659 	[MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
660 	[MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
661 	[MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS,
662 	[MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS,
663 };
664 
pplm2ethtool_fec(u_long fec_mode,unsigned long size)665 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
666 {
667 	int mode = 0;
668 
669 	if (!fec_mode)
670 		return ETHTOOL_FEC_AUTO;
671 
672 	mode = find_first_bit(&fec_mode, size);
673 
674 	if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
675 		return pplm_fec_2_ethtool[mode];
676 
677 	return 0;
678 }
679 
680 #define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec)		\
681 	do {								\
682 		if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec)))		\
683 			__set_bit(ethtool_fec,				\
684 				  link_ksettings->link_modes.supported);\
685 	} while (0)
686 
687 static const u32 pplm_fec_2_ethtool_linkmodes[] = {
688 	[MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT,
689 	[MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT,
690 	[MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
691 	[MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
692 	[MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
693 };
694 
get_fec_supported_advertised(struct mlx5_core_dev * dev,struct ethtool_link_ksettings * link_ksettings)695 static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
696 					struct ethtool_link_ksettings *link_ksettings)
697 {
698 	unsigned long active_fec_long;
699 	u32 active_fec;
700 	u32 bitn;
701 	int err;
702 
703 	err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
704 	if (err)
705 		return (err == -EOPNOTSUPP) ? 0 : err;
706 
707 	MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC,
708 				      ETHTOOL_LINK_MODE_FEC_NONE_BIT);
709 	MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE,
710 				      ETHTOOL_LINK_MODE_FEC_BASER_BIT);
711 	MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514,
712 				      ETHTOOL_LINK_MODE_FEC_RS_BIT);
713 	MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
714 				      ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
715 
716 	active_fec_long = active_fec;
717 	/* active fec is a bit set, find out which bit is set and
718 	 * advertise the corresponding ethtool bit
719 	 */
720 	bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
721 	if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
722 		__set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
723 			  link_ksettings->link_modes.advertising);
724 
725 	return 0;
726 }
727 
ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings * link_ksettings,u32 eth_proto_cap,u8 connector_type,bool ext)728 static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
729 						   u32 eth_proto_cap,
730 						   u8 connector_type, bool ext)
731 {
732 	if ((!connector_type && !ext) || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
733 		if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
734 				   | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
735 				   | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
736 				   | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)
737 				   | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4)
738 				   | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
739 			ethtool_link_ksettings_add_link_mode(link_ksettings,
740 							     supported,
741 							     FIBRE);
742 			ethtool_link_ksettings_add_link_mode(link_ksettings,
743 							     advertising,
744 							     FIBRE);
745 		}
746 
747 		if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4)
748 				   | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4)
749 				   | MLX5E_PROT_MASK(MLX5E_10GBASE_KR)
750 				   | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4)
751 				   | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) {
752 			ethtool_link_ksettings_add_link_mode(link_ksettings,
753 							     supported,
754 							     Backplane);
755 			ethtool_link_ksettings_add_link_mode(link_ksettings,
756 							     advertising,
757 							     Backplane);
758 		}
759 		return;
760 	}
761 
762 	switch (connector_type) {
763 	case MLX5E_PORT_TP:
764 		ethtool_link_ksettings_add_link_mode(link_ksettings,
765 						     supported, TP);
766 		ethtool_link_ksettings_add_link_mode(link_ksettings,
767 						     advertising, TP);
768 		break;
769 	case MLX5E_PORT_AUI:
770 		ethtool_link_ksettings_add_link_mode(link_ksettings,
771 						     supported, AUI);
772 		ethtool_link_ksettings_add_link_mode(link_ksettings,
773 						     advertising, AUI);
774 		break;
775 	case MLX5E_PORT_BNC:
776 		ethtool_link_ksettings_add_link_mode(link_ksettings,
777 						     supported, BNC);
778 		ethtool_link_ksettings_add_link_mode(link_ksettings,
779 						     advertising, BNC);
780 		break;
781 	case MLX5E_PORT_MII:
782 		ethtool_link_ksettings_add_link_mode(link_ksettings,
783 						     supported, MII);
784 		ethtool_link_ksettings_add_link_mode(link_ksettings,
785 						     advertising, MII);
786 		break;
787 	case MLX5E_PORT_FIBRE:
788 		ethtool_link_ksettings_add_link_mode(link_ksettings,
789 						     supported, FIBRE);
790 		ethtool_link_ksettings_add_link_mode(link_ksettings,
791 						     advertising, FIBRE);
792 		break;
793 	case MLX5E_PORT_DA:
794 		ethtool_link_ksettings_add_link_mode(link_ksettings,
795 						     supported, Backplane);
796 		ethtool_link_ksettings_add_link_mode(link_ksettings,
797 						     advertising, Backplane);
798 		break;
799 	case MLX5E_PORT_NONE:
800 	case MLX5E_PORT_OTHER:
801 	default:
802 		break;
803 	}
804 }
805 
get_speed_duplex(struct net_device * netdev,u32 eth_proto_oper,bool force_legacy,u16 data_rate_oper,struct ethtool_link_ksettings * link_ksettings)806 static void get_speed_duplex(struct net_device *netdev,
807 			     u32 eth_proto_oper, bool force_legacy,
808 			     u16 data_rate_oper,
809 			     struct ethtool_link_ksettings *link_ksettings)
810 {
811 	struct mlx5e_priv *priv = netdev_priv(netdev);
812 	u32 speed = SPEED_UNKNOWN;
813 	u8 duplex = DUPLEX_UNKNOWN;
814 
815 	if (!netif_carrier_ok(netdev))
816 		goto out;
817 
818 	speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
819 	if (!speed) {
820 		if (data_rate_oper)
821 			speed = 100 * data_rate_oper;
822 		else
823 			speed = SPEED_UNKNOWN;
824 		goto out;
825 	}
826 
827 	duplex = DUPLEX_FULL;
828 
829 out:
830 	link_ksettings->base.speed = speed;
831 	link_ksettings->base.duplex = duplex;
832 }
833 
get_supported(struct mlx5_core_dev * mdev,u32 eth_proto_cap,struct ethtool_link_ksettings * link_ksettings)834 static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
835 			  struct ethtool_link_ksettings *link_ksettings)
836 {
837 	unsigned long *supported = link_ksettings->link_modes.supported;
838 	ptys2ethtool_supported_link(mdev, supported, eth_proto_cap);
839 
840 	ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
841 }
842 
get_advertising(u32 eth_proto_cap,u8 tx_pause,u8 rx_pause,struct ethtool_link_ksettings * link_ksettings,bool ext)843 static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause,
844 			    struct ethtool_link_ksettings *link_ksettings,
845 			    bool ext)
846 {
847 	unsigned long *advertising = link_ksettings->link_modes.advertising;
848 	ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
849 
850 	if (rx_pause)
851 		ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
852 	if (tx_pause ^ rx_pause)
853 		ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
854 }
855 
856 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
857 		[MLX5E_PORT_UNKNOWN]            = PORT_OTHER,
858 		[MLX5E_PORT_NONE]               = PORT_NONE,
859 		[MLX5E_PORT_TP]                 = PORT_TP,
860 		[MLX5E_PORT_AUI]                = PORT_AUI,
861 		[MLX5E_PORT_BNC]                = PORT_BNC,
862 		[MLX5E_PORT_MII]                = PORT_MII,
863 		[MLX5E_PORT_FIBRE]              = PORT_FIBRE,
864 		[MLX5E_PORT_DA]                 = PORT_DA,
865 		[MLX5E_PORT_OTHER]              = PORT_OTHER,
866 	};
867 
get_connector_port(u32 eth_proto,u8 connector_type,bool ext)868 static u8 get_connector_port(u32 eth_proto, u8 connector_type, bool ext)
869 {
870 	if ((connector_type || ext) && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
871 		return ptys2connector_type[connector_type];
872 
873 	if (eth_proto &
874 	    (MLX5E_PROT_MASK(MLX5E_10GBASE_SR)   |
875 	     MLX5E_PROT_MASK(MLX5E_40GBASE_SR4)  |
876 	     MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
877 	     MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) {
878 		return PORT_FIBRE;
879 	}
880 
881 	if (eth_proto &
882 	    (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
883 	     MLX5E_PROT_MASK(MLX5E_10GBASE_CR)  |
884 	     MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) {
885 		return PORT_DA;
886 	}
887 
888 	if (eth_proto &
889 	    (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
890 	     MLX5E_PROT_MASK(MLX5E_10GBASE_KR)  |
891 	     MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
892 	     MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) {
893 		return PORT_NONE;
894 	}
895 
896 	return PORT_OTHER;
897 }
898 
get_lp_advertising(struct mlx5_core_dev * mdev,u32 eth_proto_lp,struct ethtool_link_ksettings * link_ksettings)899 static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
900 			       struct ethtool_link_ksettings *link_ksettings)
901 {
902 	unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
903 	bool ext = mlx5e_ptys_ext_supported(mdev);
904 
905 	ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
906 }
907 
mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv * priv,struct ethtool_link_ksettings * link_ksettings)908 int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
909 				     struct ethtool_link_ksettings *link_ksettings)
910 {
911 	struct mlx5_core_dev *mdev = priv->mdev;
912 	u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {};
913 	u32 eth_proto_admin;
914 	u8 an_disable_admin;
915 	u16 data_rate_oper;
916 	u32 eth_proto_oper;
917 	u32 eth_proto_cap;
918 	u8 connector_type;
919 	u32 rx_pause = 0;
920 	u32 tx_pause = 0;
921 	u32 eth_proto_lp;
922 	bool admin_ext;
923 	u8 an_status;
924 	bool ext;
925 	int err;
926 
927 	err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
928 	if (err) {
929 		netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
930 			   __func__, err);
931 		goto err_query_regs;
932 	}
933 	ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
934 	eth_proto_cap    = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
935 					      eth_proto_capability);
936 	eth_proto_admin  = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
937 					      eth_proto_admin);
938 	/* Fields: eth_proto_admin and ext_eth_proto_admin  are
939 	 * mutually exclusive. Hence try reading legacy advertising
940 	 * when extended advertising is zero.
941 	 * admin_ext indicates which proto_admin (ext vs. legacy)
942 	 * should be read and interpreted
943 	 */
944 	admin_ext = ext;
945 	if (ext && !eth_proto_admin) {
946 		eth_proto_admin  = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
947 						      eth_proto_admin);
948 		admin_ext = false;
949 	}
950 
951 	eth_proto_oper   = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
952 					      eth_proto_oper);
953 	eth_proto_lp	    = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
954 	an_disable_admin    = MLX5_GET(ptys_reg, out, an_disable_admin);
955 	an_status	    = MLX5_GET(ptys_reg, out, an_status);
956 	connector_type	    = MLX5_GET(ptys_reg, out, connector_type);
957 	data_rate_oper	    = MLX5_GET(ptys_reg, out, data_rate_oper);
958 
959 	mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
960 
961 	ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
962 	ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
963 
964 	get_supported(mdev, eth_proto_cap, link_ksettings);
965 	get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
966 			admin_ext);
967 	get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
968 			 data_rate_oper, link_ksettings);
969 
970 	eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
971 
972 	link_ksettings->base.port = get_connector_port(eth_proto_oper,
973 						       connector_type, ext);
974 	ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
975 					       connector_type, ext);
976 	get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
977 
978 	if (an_status == MLX5_AN_COMPLETE)
979 		ethtool_link_ksettings_add_link_mode(link_ksettings,
980 						     lp_advertising, Autoneg);
981 
982 	link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE :
983 							  AUTONEG_ENABLE;
984 	ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
985 					     Autoneg);
986 
987 	err = get_fec_supported_advertised(mdev, link_ksettings);
988 	if (err) {
989 		netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
990 			   __func__, err);
991 		err = 0; /* don't fail caps query because of FEC error */
992 	}
993 
994 	if (!an_disable_admin)
995 		ethtool_link_ksettings_add_link_mode(link_ksettings,
996 						     advertising, Autoneg);
997 
998 err_query_regs:
999 	return err;
1000 }
1001 
mlx5e_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * link_ksettings)1002 static int mlx5e_get_link_ksettings(struct net_device *netdev,
1003 				    struct ethtool_link_ksettings *link_ksettings)
1004 {
1005 	struct mlx5e_priv *priv = netdev_priv(netdev);
1006 
1007 	return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
1008 }
1009 
mlx5e_ethtool2ptys_adver_link(const unsigned long * link_modes)1010 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
1011 {
1012 	u32 i, ptys_modes = 0;
1013 
1014 	for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
1015 		if (*ptys2legacy_ethtool_table[i].advertised == 0)
1016 			continue;
1017 		if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
1018 				      link_modes,
1019 				      __ETHTOOL_LINK_MODE_MASK_NBITS))
1020 			ptys_modes |= MLX5E_PROT_MASK(i);
1021 	}
1022 
1023 	return ptys_modes;
1024 }
1025 
mlx5e_ethtool2ptys_ext_adver_link(const unsigned long * link_modes)1026 static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
1027 {
1028 	u32 i, ptys_modes = 0;
1029 	unsigned long modes[2];
1030 
1031 	for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
1032 		if (ptys2ext_ethtool_table[i].advertised[0] == 0 &&
1033 		    ptys2ext_ethtool_table[i].advertised[1] == 0)
1034 			continue;
1035 		memset(modes, 0, sizeof(modes));
1036 		bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
1037 			   link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
1038 
1039 		if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
1040 		    modes[1] == ptys2ext_ethtool_table[i].advertised[1])
1041 			ptys_modes |= MLX5E_PROT_MASK(i);
1042 	}
1043 	return ptys_modes;
1044 }
1045 
ext_link_mode_requested(const unsigned long * adver)1046 static bool ext_link_mode_requested(const unsigned long *adver)
1047 {
1048 #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
1049 	int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
1050 	__ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
1051 
1052 	bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
1053 	return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
1054 }
1055 
ext_requested(u8 autoneg,const unsigned long * adver,bool ext_supported)1056 static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
1057 {
1058 	bool ext_link_mode = ext_link_mode_requested(adver);
1059 
1060 	return  autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
1061 }
1062 
mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv * priv,const struct ethtool_link_ksettings * link_ksettings)1063 int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1064 				     const struct ethtool_link_ksettings *link_ksettings)
1065 {
1066 	struct mlx5_core_dev *mdev = priv->mdev;
1067 	struct mlx5e_port_eth_proto eproto;
1068 	const unsigned long *adver;
1069 	bool an_changes = false;
1070 	u8 an_disable_admin;
1071 	bool ext_supported;
1072 	u8 an_disable_cap;
1073 	bool an_disable;
1074 	u32 link_modes;
1075 	u8 an_status;
1076 	u8 autoneg;
1077 	u32 speed;
1078 	bool ext;
1079 	int err;
1080 
1081 	u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
1082 
1083 	adver = link_ksettings->link_modes.advertising;
1084 	autoneg = link_ksettings->base.autoneg;
1085 	speed = link_ksettings->base.speed;
1086 
1087 	ext_supported = mlx5e_ptys_ext_supported(mdev);
1088 	ext = ext_requested(autoneg, adver, ext_supported);
1089 	if (!ext_supported && ext)
1090 		return -EOPNOTSUPP;
1091 
1092 	ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
1093 				  mlx5e_ethtool2ptys_adver_link;
1094 	err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
1095 	if (err) {
1096 		netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
1097 			   __func__, err);
1098 		goto out;
1099 	}
1100 	link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
1101 		mlx5e_port_speed2linkmodes(mdev, speed, !ext);
1102 
1103 	if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
1104 	    autoneg != AUTONEG_ENABLE) {
1105 		netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n",
1106 			   __func__);
1107 		err = -EINVAL;
1108 		goto out;
1109 	}
1110 
1111 	link_modes = link_modes & eproto.cap;
1112 	if (!link_modes) {
1113 		netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
1114 			   __func__);
1115 		err = -EINVAL;
1116 		goto out;
1117 	}
1118 
1119 	mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
1120 				    &an_disable_admin);
1121 
1122 	an_disable = autoneg == AUTONEG_DISABLE;
1123 	an_changes = ((!an_disable && an_disable_admin) ||
1124 		      (an_disable && !an_disable_admin));
1125 
1126 	if (!an_changes && link_modes == eproto.admin)
1127 		goto out;
1128 
1129 	mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
1130 	mlx5_toggle_port_link(mdev);
1131 
1132 out:
1133 	return err;
1134 }
1135 
mlx5e_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * link_ksettings)1136 static int mlx5e_set_link_ksettings(struct net_device *netdev,
1137 				    const struct ethtool_link_ksettings *link_ksettings)
1138 {
1139 	struct mlx5e_priv *priv = netdev_priv(netdev);
1140 
1141 	return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
1142 }
1143 
mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv * priv)1144 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
1145 {
1146 	return sizeof(priv->rss_params.toeplitz_hash_key);
1147 }
1148 
mlx5e_get_rxfh_key_size(struct net_device * netdev)1149 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
1150 {
1151 	struct mlx5e_priv *priv = netdev_priv(netdev);
1152 
1153 	return mlx5e_ethtool_get_rxfh_key_size(priv);
1154 }
1155 
mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv * priv)1156 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
1157 {
1158 	return MLX5E_INDIR_RQT_SIZE;
1159 }
1160 
mlx5e_get_rxfh_indir_size(struct net_device * netdev)1161 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
1162 {
1163 	struct mlx5e_priv *priv = netdev_priv(netdev);
1164 
1165 	return mlx5e_ethtool_get_rxfh_indir_size(priv);
1166 }
1167 
mlx5e_get_rxfh(struct net_device * netdev,u32 * indir,u8 * key,u8 * hfunc)1168 int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1169 		   u8 *hfunc)
1170 {
1171 	struct mlx5e_priv *priv = netdev_priv(netdev);
1172 	struct mlx5e_rss_params *rss = &priv->rss_params;
1173 
1174 	if (indir)
1175 		memcpy(indir, rss->indirection_rqt,
1176 		       sizeof(rss->indirection_rqt));
1177 
1178 	if (key)
1179 		memcpy(key, rss->toeplitz_hash_key,
1180 		       sizeof(rss->toeplitz_hash_key));
1181 
1182 	if (hfunc)
1183 		*hfunc = rss->hfunc;
1184 
1185 	return 0;
1186 }
1187 
mlx5e_set_rxfh(struct net_device * dev,const u32 * indir,const u8 * key,const u8 hfunc)1188 int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1189 		   const u8 *key, const u8 hfunc)
1190 {
1191 	struct mlx5e_priv *priv = netdev_priv(dev);
1192 	struct mlx5e_rss_params *rss = &priv->rss_params;
1193 	int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
1194 	bool refresh_tirs = false;
1195 	bool refresh_rqt = false;
1196 	void *in;
1197 
1198 	if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
1199 	    (hfunc != ETH_RSS_HASH_XOR) &&
1200 	    (hfunc != ETH_RSS_HASH_TOP))
1201 		return -EINVAL;
1202 
1203 	in = kvzalloc(inlen, GFP_KERNEL);
1204 	if (!in)
1205 		return -ENOMEM;
1206 
1207 	mutex_lock(&priv->state_lock);
1208 
1209 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) {
1210 		rss->hfunc = hfunc;
1211 		refresh_rqt = true;
1212 		refresh_tirs = true;
1213 	}
1214 
1215 	if (indir) {
1216 		memcpy(rss->indirection_rqt, indir,
1217 		       sizeof(rss->indirection_rqt));
1218 		refresh_rqt = true;
1219 	}
1220 
1221 	if (key) {
1222 		memcpy(rss->toeplitz_hash_key, key,
1223 		       sizeof(rss->toeplitz_hash_key));
1224 		refresh_tirs = refresh_tirs || rss->hfunc == ETH_RSS_HASH_TOP;
1225 	}
1226 
1227 	if (refresh_rqt && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1228 		struct mlx5e_redirect_rqt_param rrp = {
1229 			.is_rss = true,
1230 			{
1231 				.rss = {
1232 					.hfunc = rss->hfunc,
1233 					.channels  = &priv->channels,
1234 				},
1235 			},
1236 		};
1237 		u32 rqtn = priv->indir_rqt.rqtn;
1238 
1239 		mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
1240 	}
1241 
1242 	if (refresh_tirs)
1243 		mlx5e_modify_tirs_hash(priv, in);
1244 
1245 	mutex_unlock(&priv->state_lock);
1246 
1247 	kvfree(in);
1248 
1249 	return 0;
1250 }
1251 
1252 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC		100
1253 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC		8000
1254 #define MLX5E_PFC_PREVEN_MINOR_PRECENT		85
1255 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC		80
1256 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \
1257 	max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \
1258 	      (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100)
1259 
mlx5e_get_pfc_prevention_tout(struct net_device * netdev,u16 * pfc_prevention_tout)1260 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev,
1261 					 u16 *pfc_prevention_tout)
1262 {
1263 	struct mlx5e_priv *priv    = netdev_priv(netdev);
1264 	struct mlx5_core_dev *mdev = priv->mdev;
1265 
1266 	if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1267 	    !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1268 		return -EOPNOTSUPP;
1269 
1270 	return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL);
1271 }
1272 
mlx5e_set_pfc_prevention_tout(struct net_device * netdev,u16 pfc_preven)1273 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev,
1274 					 u16 pfc_preven)
1275 {
1276 	struct mlx5e_priv *priv = netdev_priv(netdev);
1277 	struct mlx5_core_dev *mdev = priv->mdev;
1278 	u16 critical_tout;
1279 	u16 minor;
1280 
1281 	if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) ||
1282 	    !MLX5_CAP_DEBUG((priv)->mdev, stall_detect))
1283 		return -EOPNOTSUPP;
1284 
1285 	critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ?
1286 			MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC :
1287 			pfc_preven;
1288 
1289 	if (critical_tout != PFC_STORM_PREVENTION_DISABLE &&
1290 	    (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC ||
1291 	     critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) {
1292 		netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n",
1293 			    __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC,
1294 			    MLX5E_PFC_PREVEN_TOUT_MAX_MSEC);
1295 		return -EINVAL;
1296 	}
1297 
1298 	minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout);
1299 	return mlx5_set_port_stall_watermark(mdev, critical_tout,
1300 					     minor);
1301 }
1302 
mlx5e_get_tunable(struct net_device * dev,const struct ethtool_tunable * tuna,void * data)1303 static int mlx5e_get_tunable(struct net_device *dev,
1304 			     const struct ethtool_tunable *tuna,
1305 			     void *data)
1306 {
1307 	int err;
1308 
1309 	switch (tuna->id) {
1310 	case ETHTOOL_PFC_PREVENTION_TOUT:
1311 		err = mlx5e_get_pfc_prevention_tout(dev, data);
1312 		break;
1313 	default:
1314 		err = -EINVAL;
1315 		break;
1316 	}
1317 
1318 	return err;
1319 }
1320 
mlx5e_set_tunable(struct net_device * dev,const struct ethtool_tunable * tuna,const void * data)1321 static int mlx5e_set_tunable(struct net_device *dev,
1322 			     const struct ethtool_tunable *tuna,
1323 			     const void *data)
1324 {
1325 	struct mlx5e_priv *priv = netdev_priv(dev);
1326 	int err;
1327 
1328 	mutex_lock(&priv->state_lock);
1329 
1330 	switch (tuna->id) {
1331 	case ETHTOOL_PFC_PREVENTION_TOUT:
1332 		err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data);
1333 		break;
1334 	default:
1335 		err = -EINVAL;
1336 		break;
1337 	}
1338 
1339 	mutex_unlock(&priv->state_lock);
1340 	return err;
1341 }
1342 
mlx5e_get_pause_stats(struct net_device * netdev,struct ethtool_pause_stats * pause_stats)1343 static void mlx5e_get_pause_stats(struct net_device *netdev,
1344 				  struct ethtool_pause_stats *pause_stats)
1345 {
1346 	struct mlx5e_priv *priv = netdev_priv(netdev);
1347 
1348 	mlx5e_stats_pause_get(priv, pause_stats);
1349 }
1350 
mlx5e_ethtool_get_pauseparam(struct mlx5e_priv * priv,struct ethtool_pauseparam * pauseparam)1351 void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1352 				  struct ethtool_pauseparam *pauseparam)
1353 {
1354 	struct mlx5_core_dev *mdev = priv->mdev;
1355 	int err;
1356 
1357 	err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
1358 				    &pauseparam->tx_pause);
1359 	if (err) {
1360 		netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1361 			   __func__, err);
1362 	}
1363 }
1364 
mlx5e_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pauseparam)1365 static void mlx5e_get_pauseparam(struct net_device *netdev,
1366 				 struct ethtool_pauseparam *pauseparam)
1367 {
1368 	struct mlx5e_priv *priv = netdev_priv(netdev);
1369 
1370 	mlx5e_ethtool_get_pauseparam(priv, pauseparam);
1371 }
1372 
mlx5e_ethtool_set_pauseparam(struct mlx5e_priv * priv,struct ethtool_pauseparam * pauseparam)1373 int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1374 				 struct ethtool_pauseparam *pauseparam)
1375 {
1376 	struct mlx5_core_dev *mdev = priv->mdev;
1377 	int err;
1378 
1379 	if (!MLX5_CAP_GEN(mdev, vport_group_manager))
1380 		return -EOPNOTSUPP;
1381 
1382 	if (pauseparam->autoneg)
1383 		return -EINVAL;
1384 
1385 	err = mlx5_set_port_pause(mdev,
1386 				  pauseparam->rx_pause ? 1 : 0,
1387 				  pauseparam->tx_pause ? 1 : 0);
1388 	if (err) {
1389 		netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1390 			   __func__, err);
1391 	}
1392 
1393 	return err;
1394 }
1395 
mlx5e_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pauseparam)1396 static int mlx5e_set_pauseparam(struct net_device *netdev,
1397 				struct ethtool_pauseparam *pauseparam)
1398 {
1399 	struct mlx5e_priv *priv = netdev_priv(netdev);
1400 
1401 	return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
1402 }
1403 
mlx5e_ethtool_get_ts_info(struct mlx5e_priv * priv,struct ethtool_ts_info * info)1404 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1405 			      struct ethtool_ts_info *info)
1406 {
1407 	struct mlx5_core_dev *mdev = priv->mdev;
1408 
1409 	info->phc_index = mlx5_clock_get_ptp_index(mdev);
1410 
1411 	if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) ||
1412 	    info->phc_index == -1)
1413 		return 0;
1414 
1415 	info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1416 				SOF_TIMESTAMPING_RX_HARDWARE |
1417 				SOF_TIMESTAMPING_RAW_HARDWARE;
1418 
1419 	info->tx_types = BIT(HWTSTAMP_TX_OFF) |
1420 			 BIT(HWTSTAMP_TX_ON);
1421 
1422 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1423 			   BIT(HWTSTAMP_FILTER_ALL);
1424 
1425 	return 0;
1426 }
1427 
mlx5e_get_ts_info(struct net_device * dev,struct ethtool_ts_info * info)1428 static int mlx5e_get_ts_info(struct net_device *dev,
1429 			     struct ethtool_ts_info *info)
1430 {
1431 	struct mlx5e_priv *priv = netdev_priv(dev);
1432 
1433 	return mlx5e_ethtool_get_ts_info(priv, info);
1434 }
1435 
mlx5e_get_wol_supported(struct mlx5_core_dev * mdev)1436 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev)
1437 {
1438 	__u32 ret = 0;
1439 
1440 	if (MLX5_CAP_GEN(mdev, wol_g))
1441 		ret |= WAKE_MAGIC;
1442 
1443 	if (MLX5_CAP_GEN(mdev, wol_s))
1444 		ret |= WAKE_MAGICSECURE;
1445 
1446 	if (MLX5_CAP_GEN(mdev, wol_a))
1447 		ret |= WAKE_ARP;
1448 
1449 	if (MLX5_CAP_GEN(mdev, wol_b))
1450 		ret |= WAKE_BCAST;
1451 
1452 	if (MLX5_CAP_GEN(mdev, wol_m))
1453 		ret |= WAKE_MCAST;
1454 
1455 	if (MLX5_CAP_GEN(mdev, wol_u))
1456 		ret |= WAKE_UCAST;
1457 
1458 	if (MLX5_CAP_GEN(mdev, wol_p))
1459 		ret |= WAKE_PHY;
1460 
1461 	return ret;
1462 }
1463 
mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)1464 static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)
1465 {
1466 	__u32 ret = 0;
1467 
1468 	if (mode & MLX5_WOL_MAGIC)
1469 		ret |= WAKE_MAGIC;
1470 
1471 	if (mode & MLX5_WOL_SECURED_MAGIC)
1472 		ret |= WAKE_MAGICSECURE;
1473 
1474 	if (mode & MLX5_WOL_ARP)
1475 		ret |= WAKE_ARP;
1476 
1477 	if (mode & MLX5_WOL_BROADCAST)
1478 		ret |= WAKE_BCAST;
1479 
1480 	if (mode & MLX5_WOL_MULTICAST)
1481 		ret |= WAKE_MCAST;
1482 
1483 	if (mode & MLX5_WOL_UNICAST)
1484 		ret |= WAKE_UCAST;
1485 
1486 	if (mode & MLX5_WOL_PHY_ACTIVITY)
1487 		ret |= WAKE_PHY;
1488 
1489 	return ret;
1490 }
1491 
mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)1492 static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)
1493 {
1494 	u8 ret = 0;
1495 
1496 	if (mode & WAKE_MAGIC)
1497 		ret |= MLX5_WOL_MAGIC;
1498 
1499 	if (mode & WAKE_MAGICSECURE)
1500 		ret |= MLX5_WOL_SECURED_MAGIC;
1501 
1502 	if (mode & WAKE_ARP)
1503 		ret |= MLX5_WOL_ARP;
1504 
1505 	if (mode & WAKE_BCAST)
1506 		ret |= MLX5_WOL_BROADCAST;
1507 
1508 	if (mode & WAKE_MCAST)
1509 		ret |= MLX5_WOL_MULTICAST;
1510 
1511 	if (mode & WAKE_UCAST)
1512 		ret |= MLX5_WOL_UNICAST;
1513 
1514 	if (mode & WAKE_PHY)
1515 		ret |= MLX5_WOL_PHY_ACTIVITY;
1516 
1517 	return ret;
1518 }
1519 
mlx5e_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1520 static void mlx5e_get_wol(struct net_device *netdev,
1521 			  struct ethtool_wolinfo *wol)
1522 {
1523 	struct mlx5e_priv *priv = netdev_priv(netdev);
1524 	struct mlx5_core_dev *mdev = priv->mdev;
1525 	u8 mlx5_wol_mode;
1526 	int err;
1527 
1528 	memset(wol, 0, sizeof(*wol));
1529 
1530 	wol->supported = mlx5e_get_wol_supported(mdev);
1531 	if (!wol->supported)
1532 		return;
1533 
1534 	err = mlx5_query_port_wol(mdev, &mlx5_wol_mode);
1535 	if (err)
1536 		return;
1537 
1538 	wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1539 }
1540 
mlx5e_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)1541 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1542 {
1543 	struct mlx5e_priv *priv = netdev_priv(netdev);
1544 	struct mlx5_core_dev *mdev = priv->mdev;
1545 	__u32 wol_supported = mlx5e_get_wol_supported(mdev);
1546 	u32 mlx5_wol_mode;
1547 
1548 	if (!wol_supported)
1549 		return -EOPNOTSUPP;
1550 
1551 	if (wol->wolopts & ~wol_supported)
1552 		return -EINVAL;
1553 
1554 	mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
1555 
1556 	return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1557 }
1558 
mlx5e_get_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1559 static int mlx5e_get_fecparam(struct net_device *netdev,
1560 			      struct ethtool_fecparam *fecparam)
1561 {
1562 	struct mlx5e_priv *priv = netdev_priv(netdev);
1563 	struct mlx5_core_dev *mdev = priv->mdev;
1564 	u16 fec_configured;
1565 	u32 fec_active;
1566 	int err;
1567 
1568 	err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1569 
1570 	if (err)
1571 		return err;
1572 
1573 	fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
1574 						sizeof(unsigned long) * BITS_PER_BYTE);
1575 
1576 	if (!fecparam->active_fec)
1577 		return -EOPNOTSUPP;
1578 
1579 	fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
1580 					 sizeof(unsigned long) * BITS_PER_BYTE);
1581 
1582 	return 0;
1583 }
1584 
mlx5e_set_fecparam(struct net_device * netdev,struct ethtool_fecparam * fecparam)1585 static int mlx5e_set_fecparam(struct net_device *netdev,
1586 			      struct ethtool_fecparam *fecparam)
1587 {
1588 	struct mlx5e_priv *priv = netdev_priv(netdev);
1589 	struct mlx5_core_dev *mdev = priv->mdev;
1590 	u16 fec_policy = 0;
1591 	int mode;
1592 	int err;
1593 
1594 	if (bitmap_weight((unsigned long *)&fecparam->fec,
1595 			  ETHTOOL_FEC_LLRS_BIT + 1) > 1)
1596 		return -EOPNOTSUPP;
1597 
1598 	for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1599 		if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1600 			continue;
1601 		fec_policy |= (1 << mode);
1602 		break;
1603 	}
1604 
1605 	err = mlx5e_set_fec_mode(mdev, fec_policy);
1606 
1607 	if (err)
1608 		return err;
1609 
1610 	mlx5_toggle_port_link(mdev);
1611 
1612 	return 0;
1613 }
1614 
mlx5e_get_msglevel(struct net_device * dev)1615 static u32 mlx5e_get_msglevel(struct net_device *dev)
1616 {
1617 	return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel;
1618 }
1619 
mlx5e_set_msglevel(struct net_device * dev,u32 val)1620 static void mlx5e_set_msglevel(struct net_device *dev, u32 val)
1621 {
1622 	((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val;
1623 }
1624 
mlx5e_set_phys_id(struct net_device * dev,enum ethtool_phys_id_state state)1625 static int mlx5e_set_phys_id(struct net_device *dev,
1626 			     enum ethtool_phys_id_state state)
1627 {
1628 	struct mlx5e_priv *priv = netdev_priv(dev);
1629 	struct mlx5_core_dev *mdev = priv->mdev;
1630 	u16 beacon_duration;
1631 
1632 	if (!MLX5_CAP_GEN(mdev, beacon_led))
1633 		return -EOPNOTSUPP;
1634 
1635 	switch (state) {
1636 	case ETHTOOL_ID_ACTIVE:
1637 		beacon_duration = MLX5_BEACON_DURATION_INF;
1638 		break;
1639 	case ETHTOOL_ID_INACTIVE:
1640 		beacon_duration = MLX5_BEACON_DURATION_OFF;
1641 		break;
1642 	default:
1643 		return -EOPNOTSUPP;
1644 	}
1645 
1646 	return mlx5_set_port_beacon(mdev, beacon_duration);
1647 }
1648 
mlx5e_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1649 static int mlx5e_get_module_info(struct net_device *netdev,
1650 				 struct ethtool_modinfo *modinfo)
1651 {
1652 	struct mlx5e_priv *priv = netdev_priv(netdev);
1653 	struct mlx5_core_dev *dev = priv->mdev;
1654 	int size_read = 0;
1655 	u8 data[4] = {0};
1656 
1657 	size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
1658 	if (size_read < 2)
1659 		return -EIO;
1660 
1661 	/* data[0] = identifier byte */
1662 	switch (data[0]) {
1663 	case MLX5_MODULE_ID_QSFP:
1664 		modinfo->type       = ETH_MODULE_SFF_8436;
1665 		modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1666 		break;
1667 	case MLX5_MODULE_ID_QSFP_PLUS:
1668 	case MLX5_MODULE_ID_QSFP28:
1669 		/* data[1] = revision id */
1670 		if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
1671 			modinfo->type       = ETH_MODULE_SFF_8636;
1672 			modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1673 		} else {
1674 			modinfo->type       = ETH_MODULE_SFF_8436;
1675 			modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1676 		}
1677 		break;
1678 	case MLX5_MODULE_ID_SFP:
1679 		modinfo->type       = ETH_MODULE_SFF_8472;
1680 		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1681 		break;
1682 	default:
1683 		netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
1684 			   __func__, data[0]);
1685 		return -EINVAL;
1686 	}
1687 
1688 	return 0;
1689 }
1690 
mlx5e_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * ee,u8 * data)1691 static int mlx5e_get_module_eeprom(struct net_device *netdev,
1692 				   struct ethtool_eeprom *ee,
1693 				   u8 *data)
1694 {
1695 	struct mlx5e_priv *priv = netdev_priv(netdev);
1696 	struct mlx5_core_dev *mdev = priv->mdev;
1697 	int offset = ee->offset;
1698 	int size_read;
1699 	int i = 0;
1700 
1701 	if (!ee->len)
1702 		return -EINVAL;
1703 
1704 	memset(data, 0, ee->len);
1705 
1706 	while (i < ee->len) {
1707 		size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i,
1708 						     data + i);
1709 
1710 		if (!size_read)
1711 			/* Done reading */
1712 			return 0;
1713 
1714 		if (size_read < 0) {
1715 			netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n",
1716 				   __func__, size_read);
1717 			return 0;
1718 		}
1719 
1720 		i += size_read;
1721 		offset += size_read;
1722 	}
1723 
1724 	return 0;
1725 }
1726 
mlx5e_ethtool_flash_device(struct mlx5e_priv * priv,struct ethtool_flash * flash)1727 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1728 			       struct ethtool_flash *flash)
1729 {
1730 	struct mlx5_core_dev *mdev = priv->mdev;
1731 	struct net_device *dev = priv->netdev;
1732 	const struct firmware *fw;
1733 	int err;
1734 
1735 	if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1736 		return -EOPNOTSUPP;
1737 
1738 	err = request_firmware_direct(&fw, flash->data, &dev->dev);
1739 	if (err)
1740 		return err;
1741 
1742 	dev_hold(dev);
1743 	rtnl_unlock();
1744 
1745 	err = mlx5_firmware_flash(mdev, fw, NULL);
1746 	release_firmware(fw);
1747 
1748 	rtnl_lock();
1749 	dev_put(dev);
1750 	return err;
1751 }
1752 
mlx5e_flash_device(struct net_device * dev,struct ethtool_flash * flash)1753 static int mlx5e_flash_device(struct net_device *dev,
1754 			      struct ethtool_flash *flash)
1755 {
1756 	struct mlx5e_priv *priv = netdev_priv(dev);
1757 
1758 	return mlx5e_ethtool_flash_device(priv, flash);
1759 }
1760 
set_pflag_cqe_based_moder(struct net_device * netdev,bool enable,bool is_rx_cq)1761 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
1762 				     bool is_rx_cq)
1763 {
1764 	struct mlx5e_priv *priv = netdev_priv(netdev);
1765 	struct mlx5_core_dev *mdev = priv->mdev;
1766 	struct mlx5e_channels new_channels = {};
1767 	bool mode_changed;
1768 	u8 cq_period_mode, current_cq_period_mode;
1769 
1770 	cq_period_mode = enable ?
1771 		MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
1772 		MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
1773 	current_cq_period_mode = is_rx_cq ?
1774 		priv->channels.params.rx_cq_moderation.cq_period_mode :
1775 		priv->channels.params.tx_cq_moderation.cq_period_mode;
1776 	mode_changed = cq_period_mode != current_cq_period_mode;
1777 
1778 	if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE &&
1779 	    !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe))
1780 		return -EOPNOTSUPP;
1781 
1782 	if (!mode_changed)
1783 		return 0;
1784 
1785 	new_channels.params = priv->channels.params;
1786 	if (is_rx_cq)
1787 		mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode);
1788 	else
1789 		mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode);
1790 
1791 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1792 		priv->channels.params = new_channels.params;
1793 		return 0;
1794 	}
1795 
1796 	return mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
1797 }
1798 
set_pflag_tx_cqe_based_moder(struct net_device * netdev,bool enable)1799 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
1800 {
1801 	return set_pflag_cqe_based_moder(netdev, enable, false);
1802 }
1803 
set_pflag_rx_cqe_based_moder(struct net_device * netdev,bool enable)1804 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable)
1805 {
1806 	return set_pflag_cqe_based_moder(netdev, enable, true);
1807 }
1808 
mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv * priv,bool new_val)1809 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val)
1810 {
1811 	bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS);
1812 	struct mlx5e_channels new_channels = {};
1813 	int err = 0;
1814 
1815 	if (!MLX5_CAP_GEN(priv->mdev, cqe_compression))
1816 		return new_val ? -EOPNOTSUPP : 0;
1817 
1818 	if (curr_val == new_val)
1819 		return 0;
1820 
1821 	new_channels.params = priv->channels.params;
1822 	MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
1823 
1824 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1825 		priv->channels.params = new_channels.params;
1826 		return 0;
1827 	}
1828 
1829 	err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
1830 	if (err)
1831 		return err;
1832 
1833 	mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
1834 		  MLX5E_GET_PFLAG(&priv->channels.params,
1835 				  MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
1836 
1837 	return 0;
1838 }
1839 
set_pflag_rx_cqe_compress(struct net_device * netdev,bool enable)1840 static int set_pflag_rx_cqe_compress(struct net_device *netdev,
1841 				     bool enable)
1842 {
1843 	struct mlx5e_priv *priv = netdev_priv(netdev);
1844 	struct mlx5_core_dev *mdev = priv->mdev;
1845 
1846 	if (!MLX5_CAP_GEN(mdev, cqe_compression))
1847 		return -EOPNOTSUPP;
1848 
1849 	if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) {
1850 		netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n");
1851 		return -EINVAL;
1852 	}
1853 
1854 	mlx5e_modify_rx_cqe_compression_locked(priv, enable);
1855 	priv->channels.params.rx_cqe_compress_def = enable;
1856 
1857 	return 0;
1858 }
1859 
set_pflag_rx_striding_rq(struct net_device * netdev,bool enable)1860 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable)
1861 {
1862 	struct mlx5e_priv *priv = netdev_priv(netdev);
1863 	struct mlx5_core_dev *mdev = priv->mdev;
1864 	struct mlx5e_channels new_channels = {};
1865 
1866 	if (enable) {
1867 		if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
1868 			return -EOPNOTSUPP;
1869 		if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params))
1870 			return -EINVAL;
1871 	} else if (priv->channels.params.lro_en) {
1872 		netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n");
1873 		return -EINVAL;
1874 	}
1875 
1876 	new_channels.params = priv->channels.params;
1877 
1878 	MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable);
1879 	mlx5e_set_rq_type(mdev, &new_channels.params);
1880 
1881 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1882 		priv->channels.params = new_channels.params;
1883 		return 0;
1884 	}
1885 
1886 	return mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
1887 }
1888 
set_pflag_rx_no_csum_complete(struct net_device * netdev,bool enable)1889 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
1890 {
1891 	struct mlx5e_priv *priv = netdev_priv(netdev);
1892 	struct mlx5e_channels *channels = &priv->channels;
1893 	struct mlx5e_channel *c;
1894 	int i;
1895 
1896 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state) ||
1897 	    priv->channels.params.xdp_prog)
1898 		return 0;
1899 
1900 	for (i = 0; i < channels->num; i++) {
1901 		c = channels->c[i];
1902 		if (enable)
1903 			__set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1904 		else
1905 			__clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state);
1906 	}
1907 
1908 	return 0;
1909 }
1910 
set_pflag_tx_mpwqe_common(struct net_device * netdev,u32 flag,bool enable)1911 static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable)
1912 {
1913 	struct mlx5e_priv *priv = netdev_priv(netdev);
1914 	struct mlx5_core_dev *mdev = priv->mdev;
1915 	struct mlx5e_channels new_channels = {};
1916 	int err;
1917 
1918 	if (enable && !MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe))
1919 		return -EOPNOTSUPP;
1920 
1921 	new_channels.params = priv->channels.params;
1922 
1923 	MLX5E_SET_PFLAG(&new_channels.params, flag, enable);
1924 
1925 	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1926 		priv->channels.params = new_channels.params;
1927 		return 0;
1928 	}
1929 
1930 	err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
1931 	return err;
1932 }
1933 
set_pflag_xdp_tx_mpwqe(struct net_device * netdev,bool enable)1934 static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
1935 {
1936 	return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
1937 }
1938 
set_pflag_skb_tx_mpwqe(struct net_device * netdev,bool enable)1939 static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable)
1940 {
1941 	return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable);
1942 }
1943 
1944 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
1945 	{ "rx_cqe_moder",        set_pflag_rx_cqe_based_moder },
1946 	{ "tx_cqe_moder",        set_pflag_tx_cqe_based_moder },
1947 	{ "rx_cqe_compress",     set_pflag_rx_cqe_compress },
1948 	{ "rx_striding_rq",      set_pflag_rx_striding_rq },
1949 	{ "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
1950 	{ "xdp_tx_mpwqe",        set_pflag_xdp_tx_mpwqe },
1951 	{ "skb_tx_mpwqe",        set_pflag_skb_tx_mpwqe },
1952 };
1953 
mlx5e_handle_pflag(struct net_device * netdev,u32 wanted_flags,enum mlx5e_priv_flag flag)1954 static int mlx5e_handle_pflag(struct net_device *netdev,
1955 			      u32 wanted_flags,
1956 			      enum mlx5e_priv_flag flag)
1957 {
1958 	struct mlx5e_priv *priv = netdev_priv(netdev);
1959 	bool enable = !!(wanted_flags & BIT(flag));
1960 	u32 changes = wanted_flags ^ priv->channels.params.pflags;
1961 	int err;
1962 
1963 	if (!(changes & BIT(flag)))
1964 		return 0;
1965 
1966 	err = mlx5e_priv_flags[flag].handler(netdev, enable);
1967 	if (err) {
1968 		netdev_err(netdev, "%s private flag '%s' failed err %d\n",
1969 			   enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err);
1970 		return err;
1971 	}
1972 
1973 	MLX5E_SET_PFLAG(&priv->channels.params, flag, enable);
1974 	return 0;
1975 }
1976 
mlx5e_set_priv_flags(struct net_device * netdev,u32 pflags)1977 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
1978 {
1979 	struct mlx5e_priv *priv = netdev_priv(netdev);
1980 	enum mlx5e_priv_flag pflag;
1981 	int err;
1982 
1983 	mutex_lock(&priv->state_lock);
1984 
1985 	for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
1986 		err = mlx5e_handle_pflag(netdev, pflags, pflag);
1987 		if (err)
1988 			break;
1989 	}
1990 
1991 	mutex_unlock(&priv->state_lock);
1992 
1993 	/* Need to fix some features.. */
1994 	netdev_update_features(netdev);
1995 
1996 	return err;
1997 }
1998 
mlx5e_get_priv_flags(struct net_device * netdev)1999 static u32 mlx5e_get_priv_flags(struct net_device *netdev)
2000 {
2001 	struct mlx5e_priv *priv = netdev_priv(netdev);
2002 
2003 	return priv->channels.params.pflags;
2004 }
2005 
mlx5e_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * info,u32 * rule_locs)2006 int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2007 		    u32 *rule_locs)
2008 {
2009 	struct mlx5e_priv *priv = netdev_priv(dev);
2010 
2011 	/* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
2012 	 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
2013 	 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
2014 	 * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
2015 	 */
2016 	if (info->cmd == ETHTOOL_GRXRINGS) {
2017 		info->data = priv->channels.params.num_channels;
2018 		return 0;
2019 	}
2020 
2021 	return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs);
2022 }
2023 
mlx5e_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd)2024 int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2025 {
2026 	return mlx5e_ethtool_set_rxnfc(dev, cmd);
2027 }
2028 
2029 const struct ethtool_ops mlx5e_ethtool_ops = {
2030 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2031 				     ETHTOOL_COALESCE_MAX_FRAMES |
2032 				     ETHTOOL_COALESCE_USE_ADAPTIVE,
2033 	.get_drvinfo       = mlx5e_get_drvinfo,
2034 	.get_link          = ethtool_op_get_link,
2035 	.get_strings       = mlx5e_get_strings,
2036 	.get_sset_count    = mlx5e_get_sset_count,
2037 	.get_ethtool_stats = mlx5e_get_ethtool_stats,
2038 	.get_ringparam     = mlx5e_get_ringparam,
2039 	.set_ringparam     = mlx5e_set_ringparam,
2040 	.get_channels      = mlx5e_get_channels,
2041 	.set_channels      = mlx5e_set_channels,
2042 	.get_coalesce      = mlx5e_get_coalesce,
2043 	.set_coalesce      = mlx5e_set_coalesce,
2044 	.get_link_ksettings  = mlx5e_get_link_ksettings,
2045 	.set_link_ksettings  = mlx5e_set_link_ksettings,
2046 	.get_rxfh_key_size   = mlx5e_get_rxfh_key_size,
2047 	.get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
2048 	.get_rxfh          = mlx5e_get_rxfh,
2049 	.set_rxfh          = mlx5e_set_rxfh,
2050 	.get_rxnfc         = mlx5e_get_rxnfc,
2051 	.set_rxnfc         = mlx5e_set_rxnfc,
2052 	.get_tunable       = mlx5e_get_tunable,
2053 	.set_tunable       = mlx5e_set_tunable,
2054 	.get_pause_stats   = mlx5e_get_pause_stats,
2055 	.get_pauseparam    = mlx5e_get_pauseparam,
2056 	.set_pauseparam    = mlx5e_set_pauseparam,
2057 	.get_ts_info       = mlx5e_get_ts_info,
2058 	.set_phys_id       = mlx5e_set_phys_id,
2059 	.get_wol	   = mlx5e_get_wol,
2060 	.set_wol	   = mlx5e_set_wol,
2061 	.get_module_info   = mlx5e_get_module_info,
2062 	.get_module_eeprom = mlx5e_get_module_eeprom,
2063 	.flash_device      = mlx5e_flash_device,
2064 	.get_priv_flags    = mlx5e_get_priv_flags,
2065 	.set_priv_flags    = mlx5e_set_priv_flags,
2066 	.self_test         = mlx5e_self_test,
2067 	.get_msglevel      = mlx5e_get_msglevel,
2068 	.set_msglevel      = mlx5e_set_msglevel,
2069 	.get_fecparam      = mlx5e_get_fecparam,
2070 	.set_fecparam      = mlx5e_set_fecparam,
2071 };
2072