hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf
kernel/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
....@@ -32,6 +32,7 @@
3232
3333 #include "en.h"
3434 #include "en/port.h"
35
+#include "en/xsk/pool.h"
3536 #include "lib/clock.h"
3637
3738 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
....@@ -46,7 +47,7 @@
4647 "%d.%d.%04d (%.16s)",
4748 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev),
4849 mdev->board_id);
49
- strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
50
+ strlcpy(drvinfo->bus_info, dev_name(mdev->device),
5051 sizeof(drvinfo->bus_info));
5152 }
5253
....@@ -63,92 +64,185 @@
6364 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
6465 };
6566
66
-static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER];
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];
6771
68
-#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, ...) \
72
+#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \
6973 ({ \
7074 struct ptys2ethtool_config *cfg; \
7175 const unsigned int modes[] = { __VA_ARGS__ }; \
72
- unsigned int i; \
73
- cfg = &ptys2ethtool_table[reg_]; \
76
+ unsigned int i, bit, idx; \
77
+ cfg = &ptys2##table##_ethtool_table[reg_]; \
7478 bitmap_zero(cfg->supported, \
7579 __ETHTOOL_LINK_MODE_MASK_NBITS); \
7680 bitmap_zero(cfg->advertised, \
7781 __ETHTOOL_LINK_MODE_MASK_NBITS); \
7882 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \
79
- __set_bit(modes[i], cfg->supported); \
80
- __set_bit(modes[i], cfg->advertised); \
83
+ bit = modes[i] % 64; \
84
+ idx = modes[i] / 64; \
85
+ __set_bit(bit, &cfg->supported[idx]); \
86
+ __set_bit(bit, &cfg->advertised[idx]); \
8187 } \
8288 })
8389
8490 void mlx5e_build_ptys2ethtool_map(void)
8591 {
86
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII,
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,
8795 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
88
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX,
96
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy,
8997 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
90
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4,
98
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy,
9199 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
92
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4,
100
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy,
93101 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT);
94
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR,
102
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy,
95103 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
96
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2,
104
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy,
97105 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
98
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4,
106
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy,
99107 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT);
100
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4,
108
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy,
101109 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT);
102
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4,
110
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy,
103111 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT);
104
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR,
112
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy,
105113 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
106
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR,
114
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy,
107115 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
108
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER,
116
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy,
109117 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
110
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4,
118
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy,
111119 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT);
112
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4,
120
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy,
113121 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT);
114
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2,
122
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy,
115123 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT);
116
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4,
124
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy,
117125 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT);
118
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4,
126
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy,
119127 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT);
120
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4,
128
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy,
121129 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT);
122
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4,
130
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy,
123131 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT);
124
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T,
132
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy,
125133 ETHTOOL_LINK_MODE_10000baseT_Full_BIT);
126
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR,
134
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy,
127135 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT);
128
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR,
136
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy,
129137 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT);
130
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR,
138
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy,
131139 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT);
132
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2,
140
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy,
133141 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT);
134
- MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2,
142
+ MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy,
135143 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);
136215 }
216
+
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];
137236
138237 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
139238 {
140
- int i, num_stats = 0;
141
-
142239 switch (sset) {
143240 case ETH_SS_STATS:
144
- for (i = 0; i < mlx5e_num_stats_grps; i++)
145
- num_stats += mlx5e_stats_grps[i].get_num_stats(priv);
146
- return num_stats;
241
+ return mlx5e_stats_total_num(priv);
147242 case ETH_SS_PRIV_FLAGS:
148
- return ARRAY_SIZE(mlx5e_priv_flags);
243
+ return MLX5E_NUM_PFLAGS;
149244 case ETH_SS_TEST:
150245 return mlx5e_self_test_num(priv);
151
- /* fallthrough */
152246 default:
153247 return -EOPNOTSUPP;
154248 }
....@@ -161,22 +255,15 @@
161255 return mlx5e_ethtool_get_sset_count(priv, sset);
162256 }
163257
164
-static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, u8 *data)
165
-{
166
- int i, idx = 0;
167
-
168
- for (i = 0; i < mlx5e_num_stats_grps; i++)
169
- idx = mlx5e_stats_grps[i].fill_strings(priv, data, idx);
170
-}
171
-
172258 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data)
173259 {
174260 int i;
175261
176262 switch (stringset) {
177263 case ETH_SS_PRIV_FLAGS:
178
- for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++)
179
- strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]);
264
+ for (i = 0; i < MLX5E_NUM_PFLAGS; i++)
265
+ strcpy(data + i * ETH_GSTRING_LEN,
266
+ mlx5e_priv_flags[i].name);
180267 break;
181268
182269 case ETH_SS_TEST:
....@@ -186,7 +273,7 @@
186273 break;
187274
188275 case ETH_SS_STATS:
189
- mlx5e_fill_stats_strings(priv, data);
276
+ mlx5e_stats_fill_strings(priv, data);
190277 break;
191278 }
192279 }
....@@ -201,14 +288,13 @@
201288 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
202289 struct ethtool_stats *stats, u64 *data)
203290 {
204
- int i, idx = 0;
291
+ int idx = 0;
205292
206293 mutex_lock(&priv->state_lock);
207
- mlx5e_update_stats(priv);
294
+ mlx5e_stats_update(priv);
208295 mutex_unlock(&priv->state_lock);
209296
210
- for (i = 0; i < mlx5e_num_stats_grps; i++)
211
- idx = mlx5e_stats_grps[i].fill_stats(priv, data, idx);
297
+ mlx5e_stats_fill(priv, data, idx);
212298 }
213299
214300 static void mlx5e_get_ethtool_stats(struct net_device *dev,
....@@ -288,11 +374,7 @@
288374 goto unlock;
289375 }
290376
291
- err = mlx5e_open_channels(priv, &new_channels);
292
- if (err)
293
- goto unlock;
294
-
295
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
377
+ err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
296378
297379 unlock:
298380 mutex_unlock(&priv->state_lock);
....@@ -311,8 +393,17 @@
311393 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
312394 struct ethtool_channels *ch)
313395 {
314
- ch->max_combined = priv->profile->max_nch(priv->mdev);
396
+ mutex_lock(&priv->state_lock);
397
+
398
+ ch->max_combined = priv->max_nch;
315399 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);
316407 }
317408
318409 static void mlx5e_get_channels(struct net_device *dev,
....@@ -326,6 +417,7 @@
326417 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
327418 struct ethtool_channels *ch)
328419 {
420
+ struct mlx5e_params *cur_params = &priv->channels.params;
329421 unsigned int count = ch->combined_count;
330422 struct mlx5e_channels new_channels = {};
331423 bool arfs_enabled;
....@@ -337,39 +429,50 @@
337429 return -EINVAL;
338430 }
339431
340
- if (priv->channels.params.num_channels == count)
432
+ if (cur_params->num_channels == count)
341433 return 0;
342434
343435 mutex_lock(&priv->state_lock);
344436
345
- new_channels.params = priv->channels.params;
346
- new_channels.params.num_channels = count;
347
- if (!netif_is_rxfh_configured(priv->netdev))
348
- mlx5e_build_default_indir_rqt(new_channels.params.indirection_rqt,
349
- MLX5E_INDIR_RQT_SIZE, count);
350
-
351
- if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
352
- priv->channels.params = new_channels.params;
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__);
353444 goto out;
354445 }
355446
356
- /* Create fresh channels with new parameters */
357
- err = mlx5e_open_channels(priv, &new_channels);
358
- if (err)
447
+ new_channels.params = *cur_params;
448
+ new_channels.params.num_channels = count;
449
+
450
+ if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
451
+ struct mlx5e_params old_params;
452
+
453
+ old_params = *cur_params;
454
+ *cur_params = new_channels.params;
455
+ err = mlx5e_num_channels_changed(priv);
456
+ if (err)
457
+ *cur_params = old_params;
458
+
359459 goto out;
460
+ }
360461
361462 arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE;
362463 if (arfs_enabled)
363464 mlx5e_arfs_disable(priv);
364465
365466 /* Switch to new channels, set new parameters and close old ones */
366
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
467
+ err = mlx5e_safe_switch_channels(priv, &new_channels,
468
+ mlx5e_num_channels_changed_ctx, NULL);
367469
368470 if (arfs_enabled) {
369
- err = mlx5e_arfs_enable(priv);
370
- if (err)
471
+ int err2 = mlx5e_arfs_enable(priv);
472
+
473
+ if (err2)
371474 netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
372
- __func__, err);
475
+ __func__, err2);
373476 }
374477
375478 out:
....@@ -389,7 +492,7 @@
389492 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
390493 struct ethtool_coalesce *coal)
391494 {
392
- struct net_dim_cq_moder *rx_moder, *tx_moder;
495
+ struct dim_cq_moder *rx_moder, *tx_moder;
393496
394497 if (!MLX5_CAP_GEN(priv->mdev, cq_moderation))
395498 return -EOPNOTSUPP;
....@@ -419,7 +522,7 @@
419522 #define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT
420523
421524 static void
422
-mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
525
+mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
423526 {
424527 struct mlx5_core_dev *mdev = priv->mdev;
425528 int tc;
....@@ -434,6 +537,17 @@
434537 coal->tx_coalesce_usecs,
435538 coal->tx_max_coalesced_frames);
436539 }
540
+ }
541
+}
542
+
543
+static void
544
+mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
545
+{
546
+ struct mlx5_core_dev *mdev = priv->mdev;
547
+ int i;
548
+
549
+ for (i = 0; i < priv->channels.num; ++i) {
550
+ struct mlx5e_channel *c = priv->channels.c[i];
437551
438552 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
439553 coal->rx_coalesce_usecs,
....@@ -444,11 +558,11 @@
444558 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
445559 struct ethtool_coalesce *coal)
446560 {
447
- struct net_dim_cq_moder *rx_moder, *tx_moder;
561
+ struct dim_cq_moder *rx_moder, *tx_moder;
448562 struct mlx5_core_dev *mdev = priv->mdev;
449563 struct mlx5e_channels new_channels = {};
564
+ bool reset_rx, reset_tx;
450565 int err = 0;
451
- bool reset;
452566
453567 if (!MLX5_CAP_GEN(mdev, cq_moderation))
454568 return -EOPNOTSUPP;
....@@ -480,27 +594,37 @@
480594 tx_moder->pkts = coal->tx_max_coalesced_frames;
481595 new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce;
482596
597
+ reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
598
+ reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
599
+
600
+ if (reset_rx) {
601
+ u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
602
+ MLX5E_PFLAG_RX_CQE_BASED_MODER);
603
+
604
+ mlx5e_reset_rx_moderation(&new_channels.params, mode);
605
+ }
606
+ if (reset_tx) {
607
+ u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
608
+ MLX5E_PFLAG_TX_CQE_BASED_MODER);
609
+
610
+ mlx5e_reset_tx_moderation(&new_channels.params, mode);
611
+ }
612
+
483613 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
484614 priv->channels.params = new_channels.params;
485615 goto out;
486616 }
487
- /* we are opened */
488617
489
- reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
490
- (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
491
-
492
- if (!reset) {
493
- mlx5e_set_priv_channels_coalesce(priv, coal);
618
+ if (!reset_rx && !reset_tx) {
619
+ if (!coal->use_adaptive_rx_coalesce)
620
+ mlx5e_set_priv_channels_rx_coalesce(priv, coal);
621
+ if (!coal->use_adaptive_tx_coalesce)
622
+ mlx5e_set_priv_channels_tx_coalesce(priv, coal);
494623 priv->channels.params = new_channels.params;
495624 goto out;
496625 }
497626
498
- /* open fresh channels with new coal parameters */
499
- err = mlx5e_open_channels(priv, &new_channels);
500
- if (err)
501
- goto out;
502
-
503
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
627
+ err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
504628
505629 out:
506630 mutex_unlock(&priv->state_lock);
....@@ -515,35 +639,116 @@
515639 return mlx5e_ethtool_set_coalesce(priv, coal);
516640 }
517641
518
-static void ptys2ethtool_supported_link(unsigned long *supported_modes,
642
+static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev,
643
+ unsigned long *supported_modes,
519644 u32 eth_proto_cap)
520645 {
521646 unsigned long proto_cap = eth_proto_cap;
647
+ struct ptys2ethtool_config *table;
648
+ u32 max_size;
522649 int proto;
523650
524
- for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
651
+ mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size);
652
+ for_each_set_bit(proto, &proto_cap, max_size)
525653 bitmap_or(supported_modes, supported_modes,
526
- ptys2ethtool_table[proto].supported,
654
+ table[proto].supported,
527655 __ETHTOOL_LINK_MODE_MASK_NBITS);
528656 }
529657
530658 static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
531
- u32 eth_proto_cap)
659
+ u32 eth_proto_cap, bool ext)
532660 {
533661 unsigned long proto_cap = eth_proto_cap;
662
+ struct ptys2ethtool_config *table;
663
+ u32 max_size;
534664 int proto;
535665
536
- for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
666
+ table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table;
667
+ max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) :
668
+ ARRAY_SIZE(ptys2legacy_ethtool_table);
669
+
670
+ for_each_set_bit(proto, &proto_cap, max_size)
537671 bitmap_or(advertising_modes, advertising_modes,
538
- ptys2ethtool_table[proto].advertised,
672
+ table[proto].advertised,
539673 __ETHTOOL_LINK_MODE_MASK_NBITS);
540674 }
541675
542
-static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
543
- u32 eth_proto_cap,
544
- u8 connector_type)
676
+static const u32 pplm_fec_2_ethtool[] = {
677
+ [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF,
678
+ [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER,
679
+ [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS,
680
+ [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS,
681
+ [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS,
682
+};
683
+
684
+static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size)
545685 {
546
- if (!connector_type || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
686
+ int mode = 0;
687
+
688
+ if (!fec_mode)
689
+ return ETHTOOL_FEC_AUTO;
690
+
691
+ mode = find_first_bit(&fec_mode, size);
692
+
693
+ if (mode < ARRAY_SIZE(pplm_fec_2_ethtool))
694
+ return pplm_fec_2_ethtool[mode];
695
+
696
+ return 0;
697
+}
698
+
699
+#define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \
700
+ do { \
701
+ if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \
702
+ __set_bit(ethtool_fec, \
703
+ link_ksettings->link_modes.supported);\
704
+ } while (0)
705
+
706
+static const u32 pplm_fec_2_ethtool_linkmodes[] = {
707
+ [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT,
708
+ [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT,
709
+ [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
710
+ [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT,
711
+ [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
712
+};
713
+
714
+static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
715
+ struct ethtool_link_ksettings *link_ksettings)
716
+{
717
+ unsigned long active_fec_long;
718
+ u32 active_fec;
719
+ u32 bitn;
720
+ int err;
721
+
722
+ err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
723
+ if (err)
724
+ return (err == -EOPNOTSUPP) ? 0 : err;
725
+
726
+ MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC,
727
+ ETHTOOL_LINK_MODE_FEC_NONE_BIT);
728
+ MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE,
729
+ ETHTOOL_LINK_MODE_FEC_BASER_BIT);
730
+ MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514,
731
+ ETHTOOL_LINK_MODE_FEC_RS_BIT);
732
+ MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
733
+ ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
734
+
735
+ active_fec_long = active_fec;
736
+ /* active fec is a bit set, find out which bit is set and
737
+ * advertise the corresponding ethtool bit
738
+ */
739
+ bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
740
+ if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
741
+ __set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
742
+ link_ksettings->link_modes.advertising);
743
+
744
+ return 0;
745
+}
746
+
747
+static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev,
748
+ struct ethtool_link_ksettings *link_ksettings,
749
+ u32 eth_proto_cap, u8 connector_type)
750
+{
751
+ if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) {
547752 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
548753 | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
549754 | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)
....@@ -618,18 +823,23 @@
618823 }
619824
620825 static void get_speed_duplex(struct net_device *netdev,
621
- u32 eth_proto_oper,
826
+ u32 eth_proto_oper, bool force_legacy,
827
+ u16 data_rate_oper,
622828 struct ethtool_link_ksettings *link_ksettings)
623829 {
830
+ struct mlx5e_priv *priv = netdev_priv(netdev);
624831 u32 speed = SPEED_UNKNOWN;
625832 u8 duplex = DUPLEX_UNKNOWN;
626833
627834 if (!netif_carrier_ok(netdev))
628835 goto out;
629836
630
- speed = mlx5e_port_ptys2speed(eth_proto_oper);
837
+ speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy);
631838 if (!speed) {
632
- speed = SPEED_UNKNOWN;
839
+ if (data_rate_oper)
840
+ speed = 100 * data_rate_oper;
841
+ else
842
+ speed = SPEED_UNKNOWN;
633843 goto out;
634844 }
635845
....@@ -640,22 +850,22 @@
640850 link_ksettings->base.duplex = duplex;
641851 }
642852
643
-static void get_supported(u32 eth_proto_cap,
853
+static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap,
644854 struct ethtool_link_ksettings *link_ksettings)
645855 {
646856 unsigned long *supported = link_ksettings->link_modes.supported;
857
+ ptys2ethtool_supported_link(mdev, supported, eth_proto_cap);
647858
648
- ptys2ethtool_supported_link(supported, eth_proto_cap);
649859 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
650860 }
651861
652
-static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
653
- u8 rx_pause,
654
- struct ethtool_link_ksettings *link_ksettings)
862
+static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause,
863
+ struct ethtool_link_ksettings *link_ksettings,
864
+ bool ext)
655865 {
656866 unsigned long *advertising = link_ksettings->link_modes.advertising;
867
+ ptys2ethtool_adver_link(advertising, eth_proto_cap, ext);
657868
658
- ptys2ethtool_adver_link(advertising, eth_proto_cap);
659869 if (rx_pause)
660870 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
661871 if (tx_pause ^ rx_pause)
....@@ -674,9 +884,9 @@
674884 [MLX5E_PORT_OTHER] = PORT_OTHER,
675885 };
676886
677
-static u8 get_connector_port(u32 eth_proto, u8 connector_type)
887
+static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type)
678888 {
679
- if (connector_type && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
889
+ if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
680890 return ptys2connector_type[connector_type];
681891
682892 if (eth_proto &
....@@ -705,62 +915,84 @@
705915 return PORT_OTHER;
706916 }
707917
708
-static void get_lp_advertising(u32 eth_proto_lp,
918
+static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp,
709919 struct ethtool_link_ksettings *link_ksettings)
710920 {
711921 unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising;
922
+ bool ext = mlx5e_ptys_ext_supported(mdev);
712923
713
- ptys2ethtool_adver_link(lp_advertising, eth_proto_lp);
924
+ ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext);
714925 }
715926
716
-static int mlx5e_get_link_ksettings(struct net_device *netdev,
717
- struct ethtool_link_ksettings *link_ksettings)
927
+int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
928
+ struct ethtool_link_ksettings *link_ksettings)
718929 {
719
- struct mlx5e_priv *priv = netdev_priv(netdev);
720930 struct mlx5_core_dev *mdev = priv->mdev;
721
- u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
931
+ u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {};
932
+ u32 eth_proto_admin;
933
+ u8 an_disable_admin;
934
+ u16 data_rate_oper;
935
+ u32 eth_proto_oper;
936
+ u32 eth_proto_cap;
937
+ u8 connector_type;
722938 u32 rx_pause = 0;
723939 u32 tx_pause = 0;
724
- u32 eth_proto_cap;
725
- u32 eth_proto_admin;
726940 u32 eth_proto_lp;
727
- u32 eth_proto_oper;
728
- u8 an_disable_admin;
941
+ bool admin_ext;
729942 u8 an_status;
730
- u8 connector_type;
943
+ bool ext;
731944 int err;
732945
733946 err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1);
734947 if (err) {
735
- netdev_err(netdev, "%s: query port ptys failed: %d\n",
948
+ netdev_err(priv->netdev, "%s: query port ptys failed: %d\n",
736949 __func__, err);
737
- goto err_query_ptys;
950
+ goto err_query_regs;
951
+ }
952
+ ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability);
953
+ eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
954
+ eth_proto_capability);
955
+ eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
956
+ eth_proto_admin);
957
+ /* Fields: eth_proto_admin and ext_eth_proto_admin are
958
+ * mutually exclusive. Hence try reading legacy advertising
959
+ * when extended advertising is zero.
960
+ * admin_ext indicates which proto_admin (ext vs. legacy)
961
+ * should be read and interpreted
962
+ */
963
+ admin_ext = ext;
964
+ if (ext && !eth_proto_admin) {
965
+ eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false,
966
+ eth_proto_admin);
967
+ admin_ext = false;
738968 }
739969
740
- eth_proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability);
741
- eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin);
742
- eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
743
- eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
744
- an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
745
- an_status = MLX5_GET(ptys_reg, out, an_status);
746
- connector_type = MLX5_GET(ptys_reg, out, connector_type);
970
+ eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext,
971
+ eth_proto_oper);
972
+ eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise);
973
+ an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
974
+ an_status = MLX5_GET(ptys_reg, out, an_status);
975
+ connector_type = MLX5_GET(ptys_reg, out, connector_type);
976
+ data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper);
747977
748978 mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
749979
750980 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
751981 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
752982
753
- get_supported(eth_proto_cap, link_ksettings);
754
- get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
755
- get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
983
+ get_supported(mdev, eth_proto_cap, link_ksettings);
984
+ get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings,
985
+ admin_ext);
986
+ get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext,
987
+ data_rate_oper, link_ksettings);
756988
757989 eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
758
-
759
- link_ksettings->base.port = get_connector_port(eth_proto_oper,
760
- connector_type);
761
- ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
990
+ connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ?
991
+ connector_type : MLX5E_PORT_UNKNOWN;
992
+ link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type);
993
+ ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin,
762994 connector_type);
763
- get_lp_advertising(eth_proto_lp, link_ksettings);
995
+ get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
764996
765997 if (an_status == MLX5_AN_COMPLETE)
766998 ethtool_link_ksettings_add_link_mode(link_ksettings,
....@@ -770,12 +1002,44 @@
7701002 AUTONEG_ENABLE;
7711003 ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
7721004 Autoneg);
1005
+
1006
+ err = get_fec_supported_advertised(mdev, link_ksettings);
1007
+ if (err) {
1008
+ netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n",
1009
+ __func__, err);
1010
+ err = 0; /* don't fail caps query because of FEC error */
1011
+ }
1012
+
7731013 if (!an_disable_admin)
7741014 ethtool_link_ksettings_add_link_mode(link_ksettings,
7751015 advertising, Autoneg);
7761016
777
-err_query_ptys:
1017
+err_query_regs:
7781018 return err;
1019
+}
1020
+
1021
+static int mlx5e_get_link_ksettings(struct net_device *netdev,
1022
+ struct ethtool_link_ksettings *link_ksettings)
1023
+{
1024
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1025
+
1026
+ return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings);
1027
+}
1028
+
1029
+static int mlx5e_speed_validate(struct net_device *netdev, bool ext,
1030
+ const unsigned long link_modes, u8 autoneg)
1031
+{
1032
+ /* Extended link-mode has no speed limitations. */
1033
+ if (ext)
1034
+ return 0;
1035
+
1036
+ if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) &&
1037
+ autoneg != AUTONEG_ENABLE) {
1038
+ netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n",
1039
+ __func__);
1040
+ return -EINVAL;
1041
+ }
1042
+ return 0;
7791043 }
7801044
7811045 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes)
....@@ -783,7 +1047,9 @@
7831047 u32 i, ptys_modes = 0;
7841048
7851049 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) {
786
- if (bitmap_intersects(ptys2ethtool_table[i].advertised,
1050
+ if (*ptys2legacy_ethtool_table[i].advertised == 0)
1051
+ continue;
1052
+ if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised,
7871053 link_modes,
7881054 __ETHTOOL_LINK_MODE_MASK_NBITS))
7891055 ptys_modes |= MLX5E_PROT_MASK(i);
....@@ -792,128 +1058,172 @@
7921058 return ptys_modes;
7931059 }
7941060
795
-static int mlx5e_set_link_ksettings(struct net_device *netdev,
796
- const struct ethtool_link_ksettings *link_ksettings)
1061
+static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes)
7971062 {
798
- struct mlx5e_priv *priv = netdev_priv(netdev);
1063
+ u32 i, ptys_modes = 0;
1064
+ unsigned long modes[2];
1065
+
1066
+ for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) {
1067
+ if (ptys2ext_ethtool_table[i].advertised[0] == 0 &&
1068
+ ptys2ext_ethtool_table[i].advertised[1] == 0)
1069
+ continue;
1070
+ memset(modes, 0, sizeof(modes));
1071
+ bitmap_and(modes, ptys2ext_ethtool_table[i].advertised,
1072
+ link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS);
1073
+
1074
+ if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] &&
1075
+ modes[1] == ptys2ext_ethtool_table[i].advertised[1])
1076
+ ptys_modes |= MLX5E_PROT_MASK(i);
1077
+ }
1078
+ return ptys_modes;
1079
+}
1080
+
1081
+static bool ext_link_mode_requested(const unsigned long *adver)
1082
+{
1083
+#define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT
1084
+ int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT;
1085
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,};
1086
+
1087
+ bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size);
1088
+ return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS);
1089
+}
1090
+
1091
+static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported)
1092
+{
1093
+ bool ext_link_mode = ext_link_mode_requested(adver);
1094
+
1095
+ return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported;
1096
+}
1097
+
1098
+int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1099
+ const struct ethtool_link_ksettings *link_ksettings)
1100
+{
7991101 struct mlx5_core_dev *mdev = priv->mdev;
800
- u32 eth_proto_cap, eth_proto_admin;
1102
+ struct mlx5e_port_eth_proto eproto;
1103
+ const unsigned long *adver;
8011104 bool an_changes = false;
8021105 u8 an_disable_admin;
1106
+ bool ext_supported;
8031107 u8 an_disable_cap;
8041108 bool an_disable;
8051109 u32 link_modes;
8061110 u8 an_status;
1111
+ u8 autoneg;
8071112 u32 speed;
1113
+ bool ext;
8081114 int err;
8091115
1116
+ u32 (*ethtool2ptys_adver_func)(const unsigned long *adver);
1117
+
1118
+ adver = link_ksettings->link_modes.advertising;
1119
+ autoneg = link_ksettings->base.autoneg;
8101120 speed = link_ksettings->base.speed;
8111121
812
- link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ?
813
- mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) :
814
- mlx5e_port_speed2linkmodes(speed);
1122
+ ext_supported = mlx5e_ptys_ext_supported(mdev);
1123
+ ext = ext_requested(autoneg, adver, ext_supported);
1124
+ if (!ext_supported && ext)
1125
+ return -EOPNOTSUPP;
8151126
816
- err = mlx5_query_port_proto_cap(mdev, &eth_proto_cap, MLX5_PTYS_EN);
1127
+ ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link :
1128
+ mlx5e_ethtool2ptys_adver_link;
1129
+ err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
8171130 if (err) {
818
- netdev_err(netdev, "%s: query port eth proto cap failed: %d\n",
1131
+ netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n",
8191132 __func__, err);
8201133 goto out;
8211134 }
1135
+ link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) :
1136
+ mlx5e_port_speed2linkmodes(mdev, speed, !ext);
8221137
823
- link_modes = link_modes & eth_proto_cap;
1138
+ err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg);
1139
+ if (err)
1140
+ goto out;
1141
+
1142
+ link_modes = link_modes & eproto.cap;
8241143 if (!link_modes) {
825
- netdev_err(netdev, "%s: Not supported link mode(s) requested",
1144
+ netdev_err(priv->netdev, "%s: Not supported link mode(s) requested",
8261145 __func__);
8271146 err = -EINVAL;
8281147 goto out;
8291148 }
8301149
831
- err = mlx5_query_port_proto_admin(mdev, &eth_proto_admin, MLX5_PTYS_EN);
832
- if (err) {
833
- netdev_err(netdev, "%s: query port eth proto admin failed: %d\n",
834
- __func__, err);
835
- goto out;
836
- }
1150
+ mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap,
1151
+ &an_disable_admin);
8371152
838
- mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status,
839
- &an_disable_cap, &an_disable_admin);
840
-
841
- an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE;
1153
+ an_disable = autoneg == AUTONEG_DISABLE;
8421154 an_changes = ((!an_disable && an_disable_admin) ||
8431155 (an_disable && !an_disable_admin));
8441156
845
- if (!an_changes && link_modes == eth_proto_admin)
1157
+ if (!an_changes && link_modes == eproto.admin)
8461158 goto out;
8471159
848
- mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN);
1160
+ mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext);
8491161 mlx5_toggle_port_link(mdev);
8501162
8511163 out:
8521164 return err;
8531165 }
8541166
1167
+static int mlx5e_set_link_ksettings(struct net_device *netdev,
1168
+ const struct ethtool_link_ksettings *link_ksettings)
1169
+{
1170
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1171
+
1172
+ return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings);
1173
+}
1174
+
1175
+u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
1176
+{
1177
+ return sizeof(priv->rss_params.toeplitz_hash_key);
1178
+}
1179
+
8551180 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
8561181 {
8571182 struct mlx5e_priv *priv = netdev_priv(netdev);
8581183
859
- return sizeof(priv->channels.params.toeplitz_hash_key);
1184
+ return mlx5e_ethtool_get_rxfh_key_size(priv);
8601185 }
8611186
862
-static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
1187
+u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv)
8631188 {
8641189 return MLX5E_INDIR_RQT_SIZE;
8651190 }
8661191
867
-static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
868
- u8 *hfunc)
1192
+static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev)
8691193 {
8701194 struct mlx5e_priv *priv = netdev_priv(netdev);
8711195
1196
+ return mlx5e_ethtool_get_rxfh_indir_size(priv);
1197
+}
1198
+
1199
+int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1200
+ u8 *hfunc)
1201
+{
1202
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1203
+ struct mlx5e_rss_params *rss = &priv->rss_params;
1204
+
8721205 if (indir)
873
- memcpy(indir, priv->channels.params.indirection_rqt,
874
- sizeof(priv->channels.params.indirection_rqt));
1206
+ memcpy(indir, rss->indirection_rqt,
1207
+ sizeof(rss->indirection_rqt));
8751208
8761209 if (key)
877
- memcpy(key, priv->channels.params.toeplitz_hash_key,
878
- sizeof(priv->channels.params.toeplitz_hash_key));
1210
+ memcpy(key, rss->toeplitz_hash_key,
1211
+ sizeof(rss->toeplitz_hash_key));
8791212
8801213 if (hfunc)
881
- *hfunc = priv->channels.params.rss_hfunc;
1214
+ *hfunc = rss->hfunc;
8821215
8831216 return 0;
8841217 }
8851218
886
-static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
887
-{
888
- void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
889
- struct mlx5_core_dev *mdev = priv->mdev;
890
- int ctxlen = MLX5_ST_SZ_BYTES(tirc);
891
- int tt;
892
-
893
- MLX5_SET(modify_tir_in, in, bitmask.hash, 1);
894
-
895
- for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
896
- memset(tirc, 0, ctxlen);
897
- mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false);
898
- mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
899
- }
900
-
901
- if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
902
- return;
903
-
904
- for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
905
- memset(tirc, 0, ctxlen);
906
- mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, true);
907
- mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in, inlen);
908
- }
909
-}
910
-
911
-static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
912
- const u8 *key, const u8 hfunc)
1219
+int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
1220
+ const u8 *key, const u8 hfunc)
9131221 {
9141222 struct mlx5e_priv *priv = netdev_priv(dev);
1223
+ struct mlx5e_rss_params *rss = &priv->rss_params;
9151224 int inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
916
- bool hash_changed = false;
1225
+ bool refresh_tirs = false;
1226
+ bool refresh_rqt = false;
9171227 void *in;
9181228
9191229 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) &&
....@@ -927,41 +1237,41 @@
9271237
9281238 mutex_lock(&priv->state_lock);
9291239
930
- if (hfunc != ETH_RSS_HASH_NO_CHANGE &&
931
- hfunc != priv->channels.params.rss_hfunc) {
932
- priv->channels.params.rss_hfunc = hfunc;
933
- hash_changed = true;
1240
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) {
1241
+ rss->hfunc = hfunc;
1242
+ refresh_rqt = true;
1243
+ refresh_tirs = true;
9341244 }
9351245
9361246 if (indir) {
937
- memcpy(priv->channels.params.indirection_rqt, indir,
938
- sizeof(priv->channels.params.indirection_rqt));
939
-
940
- if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
941
- u32 rqtn = priv->indir_rqt.rqtn;
942
- struct mlx5e_redirect_rqt_param rrp = {
943
- .is_rss = true,
944
- {
945
- .rss = {
946
- .hfunc = priv->channels.params.rss_hfunc,
947
- .channels = &priv->channels,
948
- },
949
- },
950
- };
951
-
952
- mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
953
- }
1247
+ memcpy(rss->indirection_rqt, indir,
1248
+ sizeof(rss->indirection_rqt));
1249
+ refresh_rqt = true;
9541250 }
9551251
9561252 if (key) {
957
- memcpy(priv->channels.params.toeplitz_hash_key, key,
958
- sizeof(priv->channels.params.toeplitz_hash_key));
959
- hash_changed = hash_changed ||
960
- priv->channels.params.rss_hfunc == ETH_RSS_HASH_TOP;
1253
+ memcpy(rss->toeplitz_hash_key, key,
1254
+ sizeof(rss->toeplitz_hash_key));
1255
+ refresh_tirs = refresh_tirs || rss->hfunc == ETH_RSS_HASH_TOP;
9611256 }
9621257
963
- if (hash_changed)
964
- mlx5e_modify_tirs_hash(priv, in, inlen);
1258
+ if (refresh_rqt && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1259
+ struct mlx5e_redirect_rqt_param rrp = {
1260
+ .is_rss = true,
1261
+ {
1262
+ .rss = {
1263
+ .hfunc = rss->hfunc,
1264
+ .channels = &priv->channels,
1265
+ },
1266
+ },
1267
+ };
1268
+ u32 rqtn = priv->indir_rqt.rqtn;
1269
+
1270
+ mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp);
1271
+ }
1272
+
1273
+ if (refresh_tirs)
1274
+ mlx5e_modify_tirs_hash(priv, in);
9651275
9661276 mutex_unlock(&priv->state_lock);
9671277
....@@ -1061,25 +1371,39 @@
10611371 return err;
10621372 }
10631373
1064
-static void mlx5e_get_pauseparam(struct net_device *netdev,
1065
- struct ethtool_pauseparam *pauseparam)
1374
+static void mlx5e_get_pause_stats(struct net_device *netdev,
1375
+ struct ethtool_pause_stats *pause_stats)
10661376 {
1067
- struct mlx5e_priv *priv = netdev_priv(netdev);
1377
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1378
+
1379
+ mlx5e_stats_pause_get(priv, pause_stats);
1380
+}
1381
+
1382
+void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1383
+ struct ethtool_pauseparam *pauseparam)
1384
+{
10681385 struct mlx5_core_dev *mdev = priv->mdev;
10691386 int err;
10701387
10711388 err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause,
10721389 &pauseparam->tx_pause);
10731390 if (err) {
1074
- netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
1391
+ netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n",
10751392 __func__, err);
10761393 }
10771394 }
10781395
1079
-static int mlx5e_set_pauseparam(struct net_device *netdev,
1080
- struct ethtool_pauseparam *pauseparam)
1396
+static void mlx5e_get_pauseparam(struct net_device *netdev,
1397
+ struct ethtool_pauseparam *pauseparam)
10811398 {
1082
- struct mlx5e_priv *priv = netdev_priv(netdev);
1399
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1400
+
1401
+ mlx5e_ethtool_get_pauseparam(priv, pauseparam);
1402
+}
1403
+
1404
+int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1405
+ struct ethtool_pauseparam *pauseparam)
1406
+{
10831407 struct mlx5_core_dev *mdev = priv->mdev;
10841408 int err;
10851409
....@@ -1093,11 +1417,19 @@
10931417 pauseparam->rx_pause ? 1 : 0,
10941418 pauseparam->tx_pause ? 1 : 0);
10951419 if (err) {
1096
- netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
1420
+ netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n",
10971421 __func__, err);
10981422 }
10991423
11001424 return err;
1425
+}
1426
+
1427
+static int mlx5e_set_pauseparam(struct net_device *netdev,
1428
+ struct ethtool_pauseparam *pauseparam)
1429
+{
1430
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1431
+
1432
+ return mlx5e_ethtool_set_pauseparam(priv, pauseparam);
11011433 }
11021434
11031435 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
....@@ -1160,7 +1492,7 @@
11601492 return ret;
11611493 }
11621494
1163
-static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode)
1495
+static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode)
11641496 {
11651497 __u32 ret = 0;
11661498
....@@ -1188,7 +1520,7 @@
11881520 return ret;
11891521 }
11901522
1191
-static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode)
1523
+static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode)
11921524 {
11931525 u8 ret = 0;
11941526
....@@ -1234,7 +1566,7 @@
12341566 if (err)
12351567 return;
12361568
1237
- wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
1569
+ wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode);
12381570 }
12391571
12401572 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
....@@ -1250,9 +1582,66 @@
12501582 if (wol->wolopts & ~wol_supported)
12511583 return -EINVAL;
12521584
1253
- mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts);
1585
+ mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts);
12541586
12551587 return mlx5_set_port_wol(mdev, mlx5_wol_mode);
1588
+}
1589
+
1590
+static int mlx5e_get_fecparam(struct net_device *netdev,
1591
+ struct ethtool_fecparam *fecparam)
1592
+{
1593
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1594
+ struct mlx5_core_dev *mdev = priv->mdev;
1595
+ u16 fec_configured;
1596
+ u32 fec_active;
1597
+ int err;
1598
+
1599
+ err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
1600
+
1601
+ if (err)
1602
+ return err;
1603
+
1604
+ fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
1605
+ sizeof(unsigned long) * BITS_PER_BYTE);
1606
+
1607
+ if (!fecparam->active_fec)
1608
+ return -EOPNOTSUPP;
1609
+
1610
+ fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
1611
+ sizeof(unsigned long) * BITS_PER_BYTE);
1612
+
1613
+ return 0;
1614
+}
1615
+
1616
+static int mlx5e_set_fecparam(struct net_device *netdev,
1617
+ struct ethtool_fecparam *fecparam)
1618
+{
1619
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1620
+ struct mlx5_core_dev *mdev = priv->mdev;
1621
+ unsigned long fec_bitmap;
1622
+ u16 fec_policy = 0;
1623
+ int mode;
1624
+ int err;
1625
+
1626
+ bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE);
1627
+ if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1)
1628
+ return -EOPNOTSUPP;
1629
+
1630
+ for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
1631
+ if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
1632
+ continue;
1633
+ fec_policy |= (1 << mode);
1634
+ break;
1635
+ }
1636
+
1637
+ err = mlx5e_set_fec_mode(mdev, fec_policy);
1638
+
1639
+ if (err)
1640
+ return err;
1641
+
1642
+ mlx5_toggle_port_link(mdev);
1643
+
1644
+ return 0;
12561645 }
12571646
12581647 static u32 mlx5e_get_msglevel(struct net_device *dev)
....@@ -1295,7 +1684,7 @@
12951684 struct mlx5e_priv *priv = netdev_priv(netdev);
12961685 struct mlx5_core_dev *dev = priv->mdev;
12971686 int size_read = 0;
1298
- u8 data[4];
1687
+ u8 data[4] = {0};
12991688
13001689 size_read = mlx5_query_module_eeprom(dev, 0, 2, data);
13011690 if (size_read < 2)
....@@ -1305,17 +1694,17 @@
13051694 switch (data[0]) {
13061695 case MLX5_MODULE_ID_QSFP:
13071696 modinfo->type = ETH_MODULE_SFF_8436;
1308
- modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1697
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
13091698 break;
13101699 case MLX5_MODULE_ID_QSFP_PLUS:
13111700 case MLX5_MODULE_ID_QSFP28:
13121701 /* data[1] = revision id */
13131702 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) {
13141703 modinfo->type = ETH_MODULE_SFF_8636;
1315
- modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1704
+ modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
13161705 } else {
13171706 modinfo->type = ETH_MODULE_SFF_8436;
1318
- modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1707
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
13191708 }
13201709 break;
13211710 case MLX5_MODULE_ID_SFP:
....@@ -1367,7 +1756,39 @@
13671756 return 0;
13681757 }
13691758
1370
-typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable);
1759
+int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1760
+ struct ethtool_flash *flash)
1761
+{
1762
+ struct mlx5_core_dev *mdev = priv->mdev;
1763
+ struct net_device *dev = priv->netdev;
1764
+ const struct firmware *fw;
1765
+ int err;
1766
+
1767
+ if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1768
+ return -EOPNOTSUPP;
1769
+
1770
+ err = request_firmware_direct(&fw, flash->data, &dev->dev);
1771
+ if (err)
1772
+ return err;
1773
+
1774
+ dev_hold(dev);
1775
+ rtnl_unlock();
1776
+
1777
+ err = mlx5_firmware_flash(mdev, fw, NULL);
1778
+ release_firmware(fw);
1779
+
1780
+ rtnl_lock();
1781
+ dev_put(dev);
1782
+ return err;
1783
+}
1784
+
1785
+static int mlx5e_flash_device(struct net_device *dev,
1786
+ struct ethtool_flash *flash)
1787
+{
1788
+ struct mlx5e_priv *priv = netdev_priv(dev);
1789
+
1790
+ return mlx5e_ethtool_flash_device(priv, flash);
1791
+}
13711792
13721793 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
13731794 bool is_rx_cq)
....@@ -1377,7 +1798,6 @@
13771798 struct mlx5e_channels new_channels = {};
13781799 bool mode_changed;
13791800 u8 cq_period_mode, current_cq_period_mode;
1380
- int err = 0;
13811801
13821802 cq_period_mode = enable ?
13831803 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
....@@ -1405,12 +1825,7 @@
14051825 return 0;
14061826 }
14071827
1408
- err = mlx5e_open_channels(priv, &new_channels);
1409
- if (err)
1410
- return err;
1411
-
1412
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1413
- return 0;
1828
+ return mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
14141829 }
14151830
14161831 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable)
....@@ -1443,11 +1858,10 @@
14431858 return 0;
14441859 }
14451860
1446
- err = mlx5e_open_channels(priv, &new_channels);
1861
+ err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
14471862 if (err)
14481863 return err;
14491864
1450
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
14511865 mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
14521866 MLX5E_GET_PFLAG(&priv->channels.params,
14531867 MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
....@@ -1484,7 +1898,6 @@
14841898 struct mlx5e_priv *priv = netdev_priv(netdev);
14851899 struct mlx5_core_dev *mdev = priv->mdev;
14861900 struct mlx5e_channels new_channels = {};
1487
- int err;
14881901
14891902 if (enable) {
14901903 if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
....@@ -1506,12 +1919,7 @@
15061919 return 0;
15071920 }
15081921
1509
- err = mlx5e_open_channels(priv, &new_channels);
1510
- if (err)
1511
- return err;
1512
-
1513
- mlx5e_switch_priv_channels(priv, &new_channels, NULL);
1514
- return 0;
1922
+ return mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
15151923 }
15161924
15171925 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable)
....@@ -1536,23 +1944,65 @@
15361944 return 0;
15371945 }
15381946
1539
-static int mlx5e_handle_pflag(struct net_device *netdev,
1540
- u32 wanted_flags,
1541
- enum mlx5e_priv_flag flag,
1542
- mlx5e_pflag_handler pflag_handler)
1947
+static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable)
15431948 {
15441949 struct mlx5e_priv *priv = netdev_priv(netdev);
1545
- bool enable = !!(wanted_flags & flag);
1950
+ struct mlx5_core_dev *mdev = priv->mdev;
1951
+ struct mlx5e_channels new_channels = {};
1952
+ int err;
1953
+
1954
+ if (enable && !MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe))
1955
+ return -EOPNOTSUPP;
1956
+
1957
+ new_channels.params = priv->channels.params;
1958
+
1959
+ MLX5E_SET_PFLAG(&new_channels.params, flag, enable);
1960
+
1961
+ if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
1962
+ priv->channels.params = new_channels.params;
1963
+ return 0;
1964
+ }
1965
+
1966
+ err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
1967
+ return err;
1968
+}
1969
+
1970
+static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable)
1971
+{
1972
+ return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable);
1973
+}
1974
+
1975
+static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable)
1976
+{
1977
+ return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable);
1978
+}
1979
+
1980
+static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = {
1981
+ { "rx_cqe_moder", set_pflag_rx_cqe_based_moder },
1982
+ { "tx_cqe_moder", set_pflag_tx_cqe_based_moder },
1983
+ { "rx_cqe_compress", set_pflag_rx_cqe_compress },
1984
+ { "rx_striding_rq", set_pflag_rx_striding_rq },
1985
+ { "rx_no_csum_complete", set_pflag_rx_no_csum_complete },
1986
+ { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe },
1987
+ { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe },
1988
+};
1989
+
1990
+static int mlx5e_handle_pflag(struct net_device *netdev,
1991
+ u32 wanted_flags,
1992
+ enum mlx5e_priv_flag flag)
1993
+{
1994
+ struct mlx5e_priv *priv = netdev_priv(netdev);
1995
+ bool enable = !!(wanted_flags & BIT(flag));
15461996 u32 changes = wanted_flags ^ priv->channels.params.pflags;
15471997 int err;
15481998
1549
- if (!(changes & flag))
1999
+ if (!(changes & BIT(flag)))
15502000 return 0;
15512001
1552
- err = pflag_handler(netdev, enable);
2002
+ err = mlx5e_priv_flags[flag].handler(netdev, enable);
15532003 if (err) {
1554
- netdev_err(netdev, "%s private flag 0x%x failed err %d\n",
1555
- enable ? "Enable" : "Disable", flag, err);
2004
+ netdev_err(netdev, "%s private flag '%s' failed err %d\n",
2005
+ enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err);
15562006 return err;
15572007 }
15582008
....@@ -1563,38 +2013,17 @@
15632013 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags)
15642014 {
15652015 struct mlx5e_priv *priv = netdev_priv(netdev);
2016
+ enum mlx5e_priv_flag pflag;
15662017 int err;
15672018
15682019 mutex_lock(&priv->state_lock);
1569
- err = mlx5e_handle_pflag(netdev, pflags,
1570
- MLX5E_PFLAG_RX_CQE_BASED_MODER,
1571
- set_pflag_rx_cqe_based_moder);
1572
- if (err)
1573
- goto out;
15742020
1575
- err = mlx5e_handle_pflag(netdev, pflags,
1576
- MLX5E_PFLAG_TX_CQE_BASED_MODER,
1577
- set_pflag_tx_cqe_based_moder);
1578
- if (err)
1579
- goto out;
2021
+ for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) {
2022
+ err = mlx5e_handle_pflag(netdev, pflags, pflag);
2023
+ if (err)
2024
+ break;
2025
+ }
15802026
1581
- err = mlx5e_handle_pflag(netdev, pflags,
1582
- MLX5E_PFLAG_RX_CQE_COMPRESS,
1583
- set_pflag_rx_cqe_compress);
1584
- if (err)
1585
- goto out;
1586
-
1587
- err = mlx5e_handle_pflag(netdev, pflags,
1588
- MLX5E_PFLAG_RX_STRIDING_RQ,
1589
- set_pflag_rx_striding_rq);
1590
- if (err)
1591
- goto out;
1592
-
1593
- err = mlx5e_handle_pflag(netdev, pflags,
1594
- MLX5E_PFLAG_RX_NO_CSUM_COMPLETE,
1595
- set_pflag_rx_no_csum_complete);
1596
-
1597
-out:
15982027 mutex_unlock(&priv->state_lock);
15992028
16002029 /* Need to fix some features.. */
....@@ -1610,57 +2039,33 @@
16102039 return priv->channels.params.pflags;
16112040 }
16122041
1613
-int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1614
- struct ethtool_flash *flash)
1615
-{
1616
- struct mlx5_core_dev *mdev = priv->mdev;
1617
- struct net_device *dev = priv->netdev;
1618
- const struct firmware *fw;
1619
- int err;
1620
-
1621
- if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
1622
- return -EOPNOTSUPP;
1623
-
1624
- err = request_firmware_direct(&fw, flash->data, &dev->dev);
1625
- if (err)
1626
- return err;
1627
-
1628
- dev_hold(dev);
1629
- rtnl_unlock();
1630
-
1631
- err = mlx5_firmware_flash(mdev, fw);
1632
- release_firmware(fw);
1633
-
1634
- rtnl_lock();
1635
- dev_put(dev);
1636
- return err;
1637
-}
1638
-
1639
-static int mlx5e_flash_device(struct net_device *dev,
1640
- struct ethtool_flash *flash)
2042
+int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2043
+ u32 *rule_locs)
16412044 {
16422045 struct mlx5e_priv *priv = netdev_priv(dev);
16432046
1644
- return mlx5e_ethtool_flash_device(priv, flash);
2047
+ /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
2048
+ * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
2049
+ * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
2050
+ * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
2051
+ */
2052
+ if (info->cmd == ETHTOOL_GRXRINGS) {
2053
+ info->data = priv->channels.params.num_channels;
2054
+ return 0;
2055
+ }
2056
+
2057
+ return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs);
16452058 }
16462059
1647
-#ifndef CONFIG_MLX5_EN_RXNFC
1648
-/* When CONFIG_MLX5_EN_RXNFC=n we only support ETHTOOL_GRXRINGS
1649
- * otherwise this function will be defined from en_fs_ethtool.c
1650
- */
1651
-static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u32 *rule_locs)
2060
+int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
16522061 {
1653
- struct mlx5e_priv *priv = netdev_priv(dev);
1654
-
1655
- if (info->cmd != ETHTOOL_GRXRINGS)
1656
- return -EOPNOTSUPP;
1657
- /* ring_count is needed by ethtool -x */
1658
- info->data = priv->channels.params.num_channels;
1659
- return 0;
2062
+ return mlx5e_ethtool_set_rxnfc(dev, cmd);
16602063 }
1661
-#endif
16622064
16632065 const struct ethtool_ops mlx5e_ethtool_ops = {
2066
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2067
+ ETHTOOL_COALESCE_MAX_FRAMES |
2068
+ ETHTOOL_COALESCE_USE_ADAPTIVE,
16642069 .get_drvinfo = mlx5e_get_drvinfo,
16652070 .get_link = ethtool_op_get_link,
16662071 .get_strings = mlx5e_get_strings,
....@@ -1679,12 +2084,10 @@
16792084 .get_rxfh = mlx5e_get_rxfh,
16802085 .set_rxfh = mlx5e_set_rxfh,
16812086 .get_rxnfc = mlx5e_get_rxnfc,
1682
-#ifdef CONFIG_MLX5_EN_RXNFC
16832087 .set_rxnfc = mlx5e_set_rxnfc,
1684
-#endif
1685
- .flash_device = mlx5e_flash_device,
16862088 .get_tunable = mlx5e_get_tunable,
16872089 .set_tunable = mlx5e_set_tunable,
2090
+ .get_pause_stats = mlx5e_get_pause_stats,
16882091 .get_pauseparam = mlx5e_get_pauseparam,
16892092 .set_pauseparam = mlx5e_set_pauseparam,
16902093 .get_ts_info = mlx5e_get_ts_info,
....@@ -1693,9 +2096,12 @@
16932096 .set_wol = mlx5e_set_wol,
16942097 .get_module_info = mlx5e_get_module_info,
16952098 .get_module_eeprom = mlx5e_get_module_eeprom,
2099
+ .flash_device = mlx5e_flash_device,
16962100 .get_priv_flags = mlx5e_get_priv_flags,
16972101 .set_priv_flags = mlx5e_set_priv_flags,
16982102 .self_test = mlx5e_self_test,
16992103 .get_msglevel = mlx5e_get_msglevel,
17002104 .set_msglevel = mlx5e_set_msglevel,
2105
+ .get_fecparam = mlx5e_get_fecparam,
2106
+ .set_fecparam = mlx5e_set_fecparam,
17012107 };