2 * Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/sockio.h>
31 #include <machine/atomic.h>
33 #ifndef ETH_DRIVER_VERSION
34 #define ETH_DRIVER_VERSION "3.5.1"
36 #define DRIVER_RELDATE "April 2019"
38 static const char mlx5e_version[] = "mlx5en: Mellanox Ethernet driver "
39 ETH_DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
41 static int mlx5e_get_wqe_sz(struct mlx5e_priv *priv, u32 *wqe_sz, u32 *nsegs);
43 struct mlx5e_channel_param {
44 struct mlx5e_rq_param rq;
45 struct mlx5e_sq_param sq;
46 struct mlx5e_cq_param rx_cq;
47 struct mlx5e_cq_param tx_cq;
55 static const struct media mlx5e_mode_table[MLX5E_LINK_SPEEDS_NUMBER][MLX5E_LINK_MODES_NUMBER] = {
57 [MLX5E_1000BASE_CX_SGMII][MLX5E_SGMII] = {
58 .subtype = IFM_1000_CX_SGMII,
59 .baudrate = IF_Mbps(1000ULL),
61 [MLX5E_1000BASE_KX][MLX5E_KX] = {
62 .subtype = IFM_1000_KX,
63 .baudrate = IF_Mbps(1000ULL),
65 [MLX5E_10GBASE_CX4][MLX5E_CX4] = {
66 .subtype = IFM_10G_CX4,
67 .baudrate = IF_Gbps(10ULL),
69 [MLX5E_10GBASE_KX4][MLX5E_KX4] = {
70 .subtype = IFM_10G_KX4,
71 .baudrate = IF_Gbps(10ULL),
73 [MLX5E_10GBASE_KR][MLX5E_KR] = {
74 .subtype = IFM_10G_KR,
75 .baudrate = IF_Gbps(10ULL),
77 [MLX5E_20GBASE_KR2][MLX5E_KR2] = {
78 .subtype = IFM_20G_KR2,
79 .baudrate = IF_Gbps(20ULL),
81 [MLX5E_40GBASE_CR4][MLX5E_CR4] = {
82 .subtype = IFM_40G_CR4,
83 .baudrate = IF_Gbps(40ULL),
85 [MLX5E_40GBASE_KR4][MLX5E_KR4] = {
86 .subtype = IFM_40G_KR4,
87 .baudrate = IF_Gbps(40ULL),
89 [MLX5E_56GBASE_R4][MLX5E_R] = {
90 .subtype = IFM_56G_R4,
91 .baudrate = IF_Gbps(56ULL),
93 [MLX5E_10GBASE_CR][MLX5E_CR1] = {
94 .subtype = IFM_10G_CR1,
95 .baudrate = IF_Gbps(10ULL),
97 [MLX5E_10GBASE_SR][MLX5E_SR] = {
98 .subtype = IFM_10G_SR,
99 .baudrate = IF_Gbps(10ULL),
101 [MLX5E_10GBASE_ER_LR][MLX5E_ER] = {
102 .subtype = IFM_10G_ER,
103 .baudrate = IF_Gbps(10ULL),
105 [MLX5E_10GBASE_ER_LR][MLX5E_LR] = {
106 .subtype = IFM_10G_LR,
107 .baudrate = IF_Gbps(10ULL),
109 [MLX5E_40GBASE_SR4][MLX5E_SR4] = {
110 .subtype = IFM_40G_SR4,
111 .baudrate = IF_Gbps(40ULL),
113 [MLX5E_40GBASE_LR4_ER4][MLX5E_LR4] = {
114 .subtype = IFM_40G_LR4,
115 .baudrate = IF_Gbps(40ULL),
117 [MLX5E_40GBASE_LR4_ER4][MLX5E_ER4] = {
118 .subtype = IFM_40G_ER4,
119 .baudrate = IF_Gbps(40ULL),
121 [MLX5E_100GBASE_CR4][MLX5E_CR4] = {
122 .subtype = IFM_100G_CR4,
123 .baudrate = IF_Gbps(100ULL),
125 [MLX5E_100GBASE_SR4][MLX5E_SR4] = {
126 .subtype = IFM_100G_SR4,
127 .baudrate = IF_Gbps(100ULL),
129 [MLX5E_100GBASE_KR4][MLX5E_KR4] = {
130 .subtype = IFM_100G_KR4,
131 .baudrate = IF_Gbps(100ULL),
133 [MLX5E_100GBASE_LR4][MLX5E_LR4] = {
134 .subtype = IFM_100G_LR4,
135 .baudrate = IF_Gbps(100ULL),
137 [MLX5E_100BASE_TX][MLX5E_TX] = {
138 .subtype = IFM_100_TX,
139 .baudrate = IF_Mbps(100ULL),
141 [MLX5E_1000BASE_T][MLX5E_T] = {
142 .subtype = IFM_1000_T,
143 .baudrate = IF_Mbps(1000ULL),
145 [MLX5E_10GBASE_T][MLX5E_T] = {
146 .subtype = IFM_10G_T,
147 .baudrate = IF_Gbps(10ULL),
149 [MLX5E_25GBASE_CR][MLX5E_CR] = {
150 .subtype = IFM_25G_CR,
151 .baudrate = IF_Gbps(25ULL),
153 [MLX5E_25GBASE_KR][MLX5E_KR] = {
154 .subtype = IFM_25G_KR,
155 .baudrate = IF_Gbps(25ULL),
157 [MLX5E_25GBASE_SR][MLX5E_SR] = {
158 .subtype = IFM_25G_SR,
159 .baudrate = IF_Gbps(25ULL),
161 [MLX5E_50GBASE_CR2][MLX5E_CR2] = {
162 .subtype = IFM_50G_CR2,
163 .baudrate = IF_Gbps(50ULL),
165 [MLX5E_50GBASE_KR2][MLX5E_KR2] = {
166 .subtype = IFM_50G_KR2,
167 .baudrate = IF_Gbps(50ULL),
171 static const struct media mlx5e_ext_mode_table[MLX5E_EXT_LINK_SPEEDS_NUMBER][MLX5E_LINK_MODES_NUMBER] = {
172 [MLX5E_SGMII_100M][MLX5E_SGMII] = {
173 .subtype = IFM_100_SGMII,
174 .baudrate = IF_Mbps(100),
176 [MLX5E_1000BASE_X_SGMII][MLX5E_KX] = {
177 .subtype = IFM_1000_KX,
178 .baudrate = IF_Mbps(1000),
180 [MLX5E_1000BASE_X_SGMII][MLX5E_CX_SGMII] = {
181 .subtype = IFM_1000_CX_SGMII,
182 .baudrate = IF_Mbps(1000),
184 [MLX5E_1000BASE_X_SGMII][MLX5E_CX] = {
185 .subtype = IFM_1000_CX,
186 .baudrate = IF_Mbps(1000),
188 [MLX5E_1000BASE_X_SGMII][MLX5E_LX] = {
189 .subtype = IFM_1000_LX,
190 .baudrate = IF_Mbps(1000),
192 [MLX5E_1000BASE_X_SGMII][MLX5E_SX] = {
193 .subtype = IFM_1000_SX,
194 .baudrate = IF_Mbps(1000),
196 [MLX5E_1000BASE_X_SGMII][MLX5E_T] = {
197 .subtype = IFM_1000_T,
198 .baudrate = IF_Mbps(1000),
200 [MLX5E_5GBASE_R][MLX5E_T] = {
201 .subtype = IFM_5000_T,
202 .baudrate = IF_Mbps(5000),
204 [MLX5E_5GBASE_R][MLX5E_KR] = {
205 .subtype = IFM_5000_KR,
206 .baudrate = IF_Mbps(5000),
208 [MLX5E_5GBASE_R][MLX5E_KR1] = {
209 .subtype = IFM_5000_KR1,
210 .baudrate = IF_Mbps(5000),
212 [MLX5E_5GBASE_R][MLX5E_KR_S] = {
213 .subtype = IFM_5000_KR_S,
214 .baudrate = IF_Mbps(5000),
216 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_ER] = {
217 .subtype = IFM_10G_ER,
218 .baudrate = IF_Gbps(10ULL),
220 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_KR] = {
221 .subtype = IFM_10G_KR,
222 .baudrate = IF_Gbps(10ULL),
224 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_LR] = {
225 .subtype = IFM_10G_LR,
226 .baudrate = IF_Gbps(10ULL),
228 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_SR] = {
229 .subtype = IFM_10G_SR,
230 .baudrate = IF_Gbps(10ULL),
232 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_T] = {
233 .subtype = IFM_10G_T,
234 .baudrate = IF_Gbps(10ULL),
236 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_AOC] = {
237 .subtype = IFM_10G_AOC,
238 .baudrate = IF_Gbps(10ULL),
240 [MLX5E_10GBASE_XFI_XAUI_1][MLX5E_CR1] = {
241 .subtype = IFM_10G_CR1,
242 .baudrate = IF_Gbps(10ULL),
244 [MLX5E_40GBASE_XLAUI_4_XLPPI_4][MLX5E_CR4] = {
245 .subtype = IFM_40G_CR4,
246 .baudrate = IF_Gbps(40ULL),
248 [MLX5E_40GBASE_XLAUI_4_XLPPI_4][MLX5E_KR4] = {
249 .subtype = IFM_40G_KR4,
250 .baudrate = IF_Gbps(40ULL),
252 [MLX5E_40GBASE_XLAUI_4_XLPPI_4][MLX5E_LR4] = {
253 .subtype = IFM_40G_LR4,
254 .baudrate = IF_Gbps(40ULL),
256 [MLX5E_40GBASE_XLAUI_4_XLPPI_4][MLX5E_SR4] = {
257 .subtype = IFM_40G_SR4,
258 .baudrate = IF_Gbps(40ULL),
260 [MLX5E_40GBASE_XLAUI_4_XLPPI_4][MLX5E_ER4] = {
261 .subtype = IFM_40G_ER4,
262 .baudrate = IF_Gbps(40ULL),
265 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_CR] = {
266 .subtype = IFM_25G_CR,
267 .baudrate = IF_Gbps(25ULL),
269 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_KR] = {
270 .subtype = IFM_25G_KR,
271 .baudrate = IF_Gbps(25ULL),
273 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_SR] = {
274 .subtype = IFM_25G_SR,
275 .baudrate = IF_Gbps(25ULL),
277 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_ACC] = {
278 .subtype = IFM_25G_ACC,
279 .baudrate = IF_Gbps(25ULL),
281 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_AOC] = {
282 .subtype = IFM_25G_AOC,
283 .baudrate = IF_Gbps(25ULL),
285 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_CR1] = {
286 .subtype = IFM_25G_CR1,
287 .baudrate = IF_Gbps(25ULL),
289 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_CR_S] = {
290 .subtype = IFM_25G_CR_S,
291 .baudrate = IF_Gbps(25ULL),
293 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_KR1] = {
294 .subtype = IFM_5000_KR1,
295 .baudrate = IF_Gbps(25ULL),
297 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_KR_S] = {
298 .subtype = IFM_25G_KR_S,
299 .baudrate = IF_Gbps(25ULL),
301 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_LR] = {
302 .subtype = IFM_25G_LR,
303 .baudrate = IF_Gbps(25ULL),
305 [MLX5E_25GAUI_1_25GBASE_CR_KR][MLX5E_T] = {
306 .subtype = IFM_25G_T,
307 .baudrate = IF_Gbps(25ULL),
309 [MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2][MLX5E_CR2] = {
310 .subtype = IFM_50G_CR2,
311 .baudrate = IF_Gbps(50ULL),
313 [MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2][MLX5E_KR2] = {
314 .subtype = IFM_50G_KR2,
315 .baudrate = IF_Gbps(50ULL),
317 [MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2][MLX5E_SR2] = {
318 .subtype = IFM_50G_SR2,
319 .baudrate = IF_Gbps(50ULL),
321 [MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2][MLX5E_LR2] = {
322 .subtype = IFM_50G_LR2,
323 .baudrate = IF_Gbps(50ULL),
325 [MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR][MLX5E_LR] = {
326 .subtype = IFM_50G_LR,
327 .baudrate = IF_Gbps(50ULL),
329 [MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR][MLX5E_SR] = {
330 .subtype = IFM_50G_SR,
331 .baudrate = IF_Gbps(50ULL),
333 [MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR][MLX5E_CP] = {
334 .subtype = IFM_50G_CP,
335 .baudrate = IF_Gbps(50ULL),
337 [MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR][MLX5E_FR] = {
338 .subtype = IFM_50G_FR,
339 .baudrate = IF_Gbps(50ULL),
341 [MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR][MLX5E_KR_PAM4] = {
342 .subtype = IFM_50G_KR_PAM4,
343 .baudrate = IF_Gbps(50ULL),
345 [MLX5E_CAUI_4_100GBASE_CR4_KR4][MLX5E_CR4] = {
346 .subtype = IFM_100G_CR4,
347 .baudrate = IF_Gbps(100ULL),
349 [MLX5E_CAUI_4_100GBASE_CR4_KR4][MLX5E_KR4] = {
350 .subtype = IFM_100G_KR4,
351 .baudrate = IF_Gbps(100ULL),
353 [MLX5E_CAUI_4_100GBASE_CR4_KR4][MLX5E_LR4] = {
354 .subtype = IFM_100G_LR4,
355 .baudrate = IF_Gbps(100ULL),
357 [MLX5E_CAUI_4_100GBASE_CR4_KR4][MLX5E_SR4] = {
358 .subtype = IFM_100G_SR4,
359 .baudrate = IF_Gbps(100ULL),
361 [MLX5E_100GAUI_2_100GBASE_CR2_KR2][MLX5E_SR2] = {
362 .subtype = IFM_100G_SR2,
363 .baudrate = IF_Gbps(100ULL),
365 [MLX5E_100GAUI_2_100GBASE_CR2_KR2][MLX5E_CP2] = {
366 .subtype = IFM_100G_CP2,
367 .baudrate = IF_Gbps(100ULL),
369 [MLX5E_100GAUI_2_100GBASE_CR2_KR2][MLX5E_KR2_PAM4] = {
370 .subtype = IFM_100G_KR2_PAM4,
371 .baudrate = IF_Gbps(100ULL),
373 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_DR4] = {
374 .subtype = IFM_200G_DR4,
375 .baudrate = IF_Gbps(200ULL),
377 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_LR4] = {
378 .subtype = IFM_200G_LR4,
379 .baudrate = IF_Gbps(200ULL),
381 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_SR4] = {
382 .subtype = IFM_200G_SR4,
383 .baudrate = IF_Gbps(200ULL),
385 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_FR4] = {
386 .subtype = IFM_200G_FR4,
387 .baudrate = IF_Gbps(200ULL),
389 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_CR4_PAM4] = {
390 .subtype = IFM_200G_CR4_PAM4,
391 .baudrate = IF_Gbps(200ULL),
393 [MLX5E_200GAUI_4_200GBASE_CR4_KR4][MLX5E_KR4_PAM4] = {
394 .subtype = IFM_200G_KR4_PAM4,
395 .baudrate = IF_Gbps(200ULL),
399 MALLOC_DEFINE(M_MLX5EN, "MLX5EN", "MLX5 Ethernet");
402 mlx5e_update_carrier(struct mlx5e_priv *priv)
404 struct mlx5_core_dev *mdev = priv->mdev;
405 u32 out[MLX5_ST_SZ_DW(ptys_reg)];
412 struct media media_entry = {};
414 port_state = mlx5_query_vport_state(mdev,
415 MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0);
417 if (port_state == VPORT_STATE_UP) {
418 priv->media_status_last |= IFM_ACTIVE;
420 priv->media_status_last &= ~IFM_ACTIVE;
421 priv->media_active_last = IFM_ETHER;
422 if_link_state_change(priv->ifp, LINK_STATE_DOWN);
426 error = mlx5_query_port_ptys(mdev, out, sizeof(out),
429 priv->media_active_last = IFM_ETHER;
430 priv->ifp->if_baudrate = 1;
431 if_printf(priv->ifp, "%s: query port ptys failed: "
432 "0x%x\n", __func__, error);
436 ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
437 eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
440 i = ilog2(eth_proto_oper);
442 for (j = 0; j != MLX5E_LINK_MODES_NUMBER; j++) {
443 media_entry = ext ? mlx5e_ext_mode_table[i][j] :
444 mlx5e_mode_table[i][j];
445 if (media_entry.baudrate != 0)
449 if (media_entry.subtype == 0) {
450 if_printf(priv->ifp, "%s: Could not find operational "
451 "media subtype\n", __func__);
455 switch (media_entry.subtype) {
457 error = mlx5_query_pddr_range_info(mdev, 1, &is_er_type);
459 if_printf(priv->ifp, "%s: query port pddr failed: %d\n",
462 if (error != 0 || is_er_type == 0)
463 media_entry.subtype = IFM_10G_LR;
466 error = mlx5_query_pddr_range_info(mdev, 1, &is_er_type);
468 if_printf(priv->ifp, "%s: query port pddr failed: %d\n",
471 if (error == 0 && is_er_type != 0)
472 media_entry.subtype = IFM_40G_ER4;
475 priv->media_active_last = media_entry.subtype | IFM_ETHER | IFM_FDX;
476 priv->ifp->if_baudrate = media_entry.baudrate;
478 if_link_state_change(priv->ifp, LINK_STATE_UP);
482 mlx5e_media_status(struct ifnet *dev, struct ifmediareq *ifmr)
484 struct mlx5e_priv *priv = dev->if_softc;
486 ifmr->ifm_status = priv->media_status_last;
487 ifmr->ifm_active = priv->media_active_last |
488 (priv->params.rx_pauseframe_control ? IFM_ETH_RXPAUSE : 0) |
489 (priv->params.tx_pauseframe_control ? IFM_ETH_TXPAUSE : 0);
494 mlx5e_find_link_mode(u32 subtype, bool ext)
500 struct media media_entry = {};
504 subtype = IFM_10G_ER;
507 subtype = IFM_40G_LR4;
511 speeds_num = ext ? MLX5E_EXT_LINK_SPEEDS_NUMBER :
512 MLX5E_LINK_SPEEDS_NUMBER;
514 for (i = 0; i != speeds_num; i++) {
515 for (j = 0; j < MLX5E_LINK_MODES_NUMBER ; ++j) {
516 media_entry = ext ? mlx5e_ext_mode_table[i][j] :
517 mlx5e_mode_table[i][j];
518 if (media_entry.baudrate == 0)
520 if (media_entry.subtype == subtype) {
521 link_mode |= MLX5E_PROT_MASK(i);
530 mlx5e_set_port_pause_and_pfc(struct mlx5e_priv *priv)
532 return (mlx5_set_port_pause_and_pfc(priv->mdev, 1,
533 priv->params.rx_pauseframe_control,
534 priv->params.tx_pauseframe_control,
535 priv->params.rx_priority_flow_control,
536 priv->params.tx_priority_flow_control));
540 mlx5e_set_port_pfc(struct mlx5e_priv *priv)
544 if (priv->gone != 0) {
546 } else if (priv->params.rx_pauseframe_control ||
547 priv->params.tx_pauseframe_control) {
549 "Global pauseframes must be disabled before "
553 error = mlx5e_set_port_pause_and_pfc(priv);
559 mlx5e_media_change(struct ifnet *dev)
561 struct mlx5e_priv *priv = dev->if_softc;
562 struct mlx5_core_dev *mdev = priv->mdev;
565 u32 out[MLX5_ST_SZ_DW(ptys_reg)];
571 locked = PRIV_LOCKED(priv);
575 if (IFM_TYPE(priv->media.ifm_media) != IFM_ETHER) {
580 error = mlx5_query_port_ptys(mdev, out, sizeof(out),
583 if_printf(dev, "Query port media capability failed\n");
587 ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet);
588 link_mode = mlx5e_find_link_mode(IFM_SUBTYPE(priv->media.ifm_media), ext);
590 /* query supported capabilities */
591 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
592 eth_proto_capability);
594 /* check for autoselect */
595 if (IFM_SUBTYPE(priv->media.ifm_media) == IFM_AUTO) {
596 link_mode = eth_proto_cap;
597 if (link_mode == 0) {
598 if_printf(dev, "Port media capability is zero\n");
603 link_mode = link_mode & eth_proto_cap;
604 if (link_mode == 0) {
605 if_printf(dev, "Not supported link mode requested\n");
610 if (priv->media.ifm_media & (IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE)) {
611 /* check if PFC is enabled */
612 if (priv->params.rx_priority_flow_control ||
613 priv->params.tx_priority_flow_control) {
614 if_printf(dev, "PFC must be disabled before enabling global pauseframes.\n");
619 /* update pauseframe control bits */
620 priv->params.rx_pauseframe_control =
621 (priv->media.ifm_media & IFM_ETH_RXPAUSE) ? 1 : 0;
622 priv->params.tx_pauseframe_control =
623 (priv->media.ifm_media & IFM_ETH_TXPAUSE) ? 1 : 0;
625 /* check if device is opened */
626 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
628 /* reconfigure the hardware */
629 mlx5_set_port_status(mdev, MLX5_PORT_DOWN);
630 mlx5_set_port_proto(mdev, link_mode, MLX5_PTYS_EN, ext);
631 error = -mlx5e_set_port_pause_and_pfc(priv);
633 mlx5_set_port_status(mdev, MLX5_PORT_UP);
642 mlx5e_update_carrier_work(struct work_struct *work)
644 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
645 update_carrier_work);
648 if (test_bit(MLX5E_STATE_OPENED, &priv->state))
649 mlx5e_update_carrier(priv);
653 #define MLX5E_PCIE_PERF_GET_64(a,b,c,d,e,f) \
654 s_debug->c = MLX5_GET64(mpcnt_reg, out, counter_set.f.c);
656 #define MLX5E_PCIE_PERF_GET_32(a,b,c,d,e,f) \
657 s_debug->c = MLX5_GET(mpcnt_reg, out, counter_set.f.c);
660 mlx5e_update_pcie_counters(struct mlx5e_priv *priv)
662 struct mlx5_core_dev *mdev = priv->mdev;
663 struct mlx5e_port_stats_debug *s_debug = &priv->stats.port_stats_debug;
664 const unsigned sz = MLX5_ST_SZ_BYTES(mpcnt_reg);
669 /* allocate firmware request structures */
670 in = mlx5_vzalloc(sz);
671 out = mlx5_vzalloc(sz);
672 if (in == NULL || out == NULL)
675 MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_PERFORMANCE_COUNTERS_GROUP);
676 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0);
680 MLX5E_PCIE_PERFORMANCE_COUNTERS_64(MLX5E_PCIE_PERF_GET_64)
681 MLX5E_PCIE_PERFORMANCE_COUNTERS_32(MLX5E_PCIE_PERF_GET_32)
683 MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_TIMERS_AND_STATES_COUNTERS_GROUP);
684 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0);
688 MLX5E_PCIE_TIMERS_AND_STATES_COUNTERS_32(MLX5E_PCIE_PERF_GET_32)
690 MLX5_SET(mpcnt_reg, in, grp, MLX5_PCIE_LANE_COUNTERS_GROUP);
691 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_MPCNT, 0, 0);
695 MLX5E_PCIE_LANE_COUNTERS_32(MLX5E_PCIE_PERF_GET_32)
698 /* free firmware request structures */
704 * This function reads the physical port counters from the firmware
705 * using a pre-defined layout defined by various MLX5E_PPORT_XXX()
706 * macros. The output is converted from big-endian 64-bit values into
707 * host endian ones and stored in the "priv->stats.pport" structure.
710 mlx5e_update_pport_counters(struct mlx5e_priv *priv)
712 struct mlx5_core_dev *mdev = priv->mdev;
713 struct mlx5e_pport_stats *s = &priv->stats.pport;
714 struct mlx5e_port_stats_debug *s_debug = &priv->stats.port_stats_debug;
718 unsigned sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
723 /* allocate firmware request structures */
724 in = mlx5_vzalloc(sz);
725 out = mlx5_vzalloc(sz);
726 if (in == NULL || out == NULL)
730 * Get pointer to the 64-bit counter set which is located at a
731 * fixed offset in the output firmware request structure:
733 ptr = (const uint64_t *)MLX5_ADDR_OF(ppcnt_reg, out, counter_set);
735 MLX5_SET(ppcnt_reg, in, local_port, 1);
737 /* read IEEE802_3 counter group using predefined counter layout */
738 MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP);
739 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
740 for (x = 0, y = MLX5E_PPORT_PER_PRIO_STATS_NUM;
741 x != MLX5E_PPORT_IEEE802_3_STATS_NUM; x++, y++)
742 s->arg[y] = be64toh(ptr[x]);
744 /* read RFC2819 counter group using predefined counter layout */
745 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP);
746 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
747 for (x = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM; x++, y++)
748 s->arg[y] = be64toh(ptr[x]);
750 for (y = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM +
751 MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM; x++, y++)
752 s_debug->arg[y] = be64toh(ptr[x]);
754 /* read RFC2863 counter group using predefined counter layout */
755 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP);
756 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
757 for (x = 0; x != MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM; x++, y++)
758 s_debug->arg[y] = be64toh(ptr[x]);
760 /* read physical layer stats counter group using predefined counter layout */
761 MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP);
762 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
763 for (x = 0; x != MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM; x++, y++)
764 s_debug->arg[y] = be64toh(ptr[x]);
766 /* read Extended Ethernet counter group using predefined counter layout */
767 MLX5_SET(ppcnt_reg, in, grp, MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP);
768 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
769 for (x = 0; x != MLX5E_PPORT_ETHERNET_EXTENDED_STATS_DEBUG_NUM; x++, y++)
770 s_debug->arg[y] = be64toh(ptr[x]);
772 /* read Extended Statistical Group */
773 if (MLX5_CAP_GEN(mdev, pcam_reg) &&
774 MLX5_CAP_PCAM_FEATURE(mdev, ppcnt_statistical_group) &&
775 MLX5_CAP_PCAM_FEATURE(mdev, per_lane_error_counters)) {
776 /* read Extended Statistical counter group using predefined counter layout */
777 MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_STATISTICAL_GROUP);
778 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
780 for (x = 0; x != MLX5E_PPORT_STATISTICAL_DEBUG_NUM; x++, y++)
781 s_debug->arg[y] = be64toh(ptr[x]);
784 /* read PCIE counters */
785 mlx5e_update_pcie_counters(priv);
787 /* read per-priority counters */
788 MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP);
790 /* iterate all the priorities */
791 for (y = z = 0; z != MLX5E_PPORT_PER_PRIO_STATS_NUM_PRIO; z++) {
792 MLX5_SET(ppcnt_reg, in, prio_tc, z);
793 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
795 /* read per priority stats counter group using predefined counter layout */
796 for (x = 0; x != (MLX5E_PPORT_PER_PRIO_STATS_NUM /
797 MLX5E_PPORT_PER_PRIO_STATS_NUM_PRIO); x++, y++)
798 s->arg[y] = be64toh(ptr[x]);
802 /* free firmware request structures */
808 mlx5e_grp_vnic_env_update_stats(struct mlx5e_priv *priv)
810 u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {};
811 u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
813 if (!MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard))
816 MLX5_SET(query_vnic_env_in, in, opcode,
817 MLX5_CMD_OP_QUERY_VNIC_ENV);
818 MLX5_SET(query_vnic_env_in, in, op_mod, 0);
819 MLX5_SET(query_vnic_env_in, in, other_vport, 0);
821 if (mlx5_cmd_exec(priv->mdev, in, sizeof(in), out, sizeof(out)) != 0)
824 priv->stats.vport.rx_steer_missed_packets =
825 MLX5_GET64(query_vnic_env_out, out,
826 vport_env.nic_receive_steering_discard);
830 * This function is called regularly to collect all statistics
831 * counters from the firmware. The values can be viewed through the
832 * sysctl interface. Execution is serialized using the priv's global
833 * configuration lock.
836 mlx5e_update_stats_locked(struct mlx5e_priv *priv)
838 struct mlx5_core_dev *mdev = priv->mdev;
839 struct mlx5e_vport_stats *s = &priv->stats.vport;
840 struct mlx5e_sq_stats *sq_stats;
841 struct buf_ring *sq_br;
842 #if (__FreeBSD_version < 1100000)
843 struct ifnet *ifp = priv->ifp;
846 u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)];
848 int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
851 u64 tx_queue_dropped = 0;
852 u64 tx_defragged = 0;
853 u64 tx_offload_none = 0;
856 u64 sw_lro_queued = 0;
857 u64 sw_lro_flushed = 0;
858 u64 rx_csum_none = 0;
862 u32 rx_out_of_buffer = 0;
866 out = mlx5_vzalloc(outlen);
870 /* Collect firts the SW counters and then HW for consistency */
871 for (i = 0; i < priv->params.num_channels; i++) {
872 struct mlx5e_channel *pch = priv->channel + i;
873 struct mlx5e_rq *rq = &pch->rq;
874 struct mlx5e_rq_stats *rq_stats = &pch->rq.stats;
876 /* collect stats from LRO */
877 rq_stats->sw_lro_queued = rq->lro.lro_queued;
878 rq_stats->sw_lro_flushed = rq->lro.lro_flushed;
879 sw_lro_queued += rq_stats->sw_lro_queued;
880 sw_lro_flushed += rq_stats->sw_lro_flushed;
881 lro_packets += rq_stats->lro_packets;
882 lro_bytes += rq_stats->lro_bytes;
883 rx_csum_none += rq_stats->csum_none;
884 rx_wqe_err += rq_stats->wqe_err;
885 rx_packets += rq_stats->packets;
886 rx_bytes += rq_stats->bytes;
888 for (j = 0; j < priv->num_tc; j++) {
889 sq_stats = &pch->sq[j].stats;
890 sq_br = pch->sq[j].br;
892 tso_packets += sq_stats->tso_packets;
893 tso_bytes += sq_stats->tso_bytes;
894 tx_queue_dropped += sq_stats->dropped;
896 tx_queue_dropped += sq_br->br_drops;
897 tx_defragged += sq_stats->defragged;
898 tx_offload_none += sq_stats->csum_offload_none;
902 /* update counters */
903 s->tso_packets = tso_packets;
904 s->tso_bytes = tso_bytes;
905 s->tx_queue_dropped = tx_queue_dropped;
906 s->tx_defragged = tx_defragged;
907 s->lro_packets = lro_packets;
908 s->lro_bytes = lro_bytes;
909 s->sw_lro_queued = sw_lro_queued;
910 s->sw_lro_flushed = sw_lro_flushed;
911 s->rx_csum_none = rx_csum_none;
912 s->rx_wqe_err = rx_wqe_err;
913 s->rx_packets = rx_packets;
914 s->rx_bytes = rx_bytes;
916 mlx5e_grp_vnic_env_update_stats(priv);
919 memset(in, 0, sizeof(in));
921 MLX5_SET(query_vport_counter_in, in, opcode,
922 MLX5_CMD_OP_QUERY_VPORT_COUNTER);
923 MLX5_SET(query_vport_counter_in, in, op_mod, 0);
924 MLX5_SET(query_vport_counter_in, in, other_vport, 0);
926 memset(out, 0, outlen);
928 /* get number of out-of-buffer drops first */
929 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0 &&
930 mlx5_vport_query_out_of_rx_buffer(mdev, priv->counter_set_id,
931 &rx_out_of_buffer) == 0) {
932 s->rx_out_of_buffer = rx_out_of_buffer;
935 /* get port statistics */
936 if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen) == 0) {
937 #define MLX5_GET_CTR(out, x) \
938 MLX5_GET64(query_vport_counter_out, out, x)
940 s->rx_error_packets =
941 MLX5_GET_CTR(out, received_errors.packets);
943 MLX5_GET_CTR(out, received_errors.octets);
944 s->tx_error_packets =
945 MLX5_GET_CTR(out, transmit_errors.packets);
947 MLX5_GET_CTR(out, transmit_errors.octets);
949 s->rx_unicast_packets =
950 MLX5_GET_CTR(out, received_eth_unicast.packets);
951 s->rx_unicast_bytes =
952 MLX5_GET_CTR(out, received_eth_unicast.octets);
953 s->tx_unicast_packets =
954 MLX5_GET_CTR(out, transmitted_eth_unicast.packets);
955 s->tx_unicast_bytes =
956 MLX5_GET_CTR(out, transmitted_eth_unicast.octets);
958 s->rx_multicast_packets =
959 MLX5_GET_CTR(out, received_eth_multicast.packets);
960 s->rx_multicast_bytes =
961 MLX5_GET_CTR(out, received_eth_multicast.octets);
962 s->tx_multicast_packets =
963 MLX5_GET_CTR(out, transmitted_eth_multicast.packets);
964 s->tx_multicast_bytes =
965 MLX5_GET_CTR(out, transmitted_eth_multicast.octets);
967 s->rx_broadcast_packets =
968 MLX5_GET_CTR(out, received_eth_broadcast.packets);
969 s->rx_broadcast_bytes =
970 MLX5_GET_CTR(out, received_eth_broadcast.octets);
971 s->tx_broadcast_packets =
972 MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
973 s->tx_broadcast_bytes =
974 MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
976 s->tx_packets = s->tx_unicast_packets +
977 s->tx_multicast_packets + s->tx_broadcast_packets;
978 s->tx_bytes = s->tx_unicast_bytes + s->tx_multicast_bytes +
979 s->tx_broadcast_bytes;
981 /* Update calculated offload counters */
982 s->tx_csum_offload = s->tx_packets - tx_offload_none;
983 s->rx_csum_good = s->rx_packets - s->rx_csum_none;
986 /* Get physical port counters */
987 mlx5e_update_pport_counters(priv);
989 s->tx_jumbo_packets =
990 priv->stats.port_stats_debug.tx_stat_p1519to2047octets +
991 priv->stats.port_stats_debug.tx_stat_p2048to4095octets +
992 priv->stats.port_stats_debug.tx_stat_p4096to8191octets +
993 priv->stats.port_stats_debug.tx_stat_p8192to10239octets;
995 #if (__FreeBSD_version < 1100000)
996 /* no get_counters interface in fbsd 10 */
997 ifp->if_ipackets = s->rx_packets;
998 ifp->if_ierrors = priv->stats.pport.in_range_len_errors +
999 priv->stats.pport.out_of_range_len +
1000 priv->stats.pport.too_long_errors +
1001 priv->stats.pport.check_seq_err +
1002 priv->stats.pport.alignment_err;
1003 ifp->if_iqdrops = s->rx_out_of_buffer;
1004 ifp->if_opackets = s->tx_packets;
1005 ifp->if_oerrors = priv->stats.port_stats_debug.out_discards;
1006 ifp->if_snd.ifq_drops = s->tx_queue_dropped;
1007 ifp->if_ibytes = s->rx_bytes;
1008 ifp->if_obytes = s->tx_bytes;
1009 ifp->if_collisions =
1010 priv->stats.pport.collisions;
1016 /* Update diagnostics, if any */
1017 if (priv->params_ethtool.diag_pci_enable ||
1018 priv->params_ethtool.diag_general_enable) {
1019 int error = mlx5_core_get_diagnostics_full(mdev,
1020 priv->params_ethtool.diag_pci_enable ? &priv->params_pci : NULL,
1021 priv->params_ethtool.diag_general_enable ? &priv->params_general : NULL);
1023 if_printf(priv->ifp, "Failed reading diagnostics: %d\n", error);
1028 mlx5e_update_stats_work(struct work_struct *work)
1030 struct mlx5e_priv *priv;
1032 priv = container_of(work, struct mlx5e_priv, update_stats_work);
1034 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0)
1035 mlx5e_update_stats_locked(priv);
1040 mlx5e_update_stats(void *arg)
1042 struct mlx5e_priv *priv = arg;
1044 queue_work(priv->wq, &priv->update_stats_work);
1046 callout_reset(&priv->watchdog, hz, &mlx5e_update_stats, priv);
1050 mlx5e_async_event_sub(struct mlx5e_priv *priv,
1051 enum mlx5_dev_event event)
1054 case MLX5_DEV_EVENT_PORT_UP:
1055 case MLX5_DEV_EVENT_PORT_DOWN:
1056 queue_work(priv->wq, &priv->update_carrier_work);
1065 mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv,
1066 enum mlx5_dev_event event, unsigned long param)
1068 struct mlx5e_priv *priv = vpriv;
1070 mtx_lock(&priv->async_events_mtx);
1071 if (test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state))
1072 mlx5e_async_event_sub(priv, event);
1073 mtx_unlock(&priv->async_events_mtx);
1077 mlx5e_enable_async_events(struct mlx5e_priv *priv)
1079 set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state);
1083 mlx5e_disable_async_events(struct mlx5e_priv *priv)
1085 mtx_lock(&priv->async_events_mtx);
1086 clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state);
1087 mtx_unlock(&priv->async_events_mtx);
1090 static void mlx5e_calibration_callout(void *arg);
1091 static int mlx5e_calibration_duration = 20;
1092 static int mlx5e_fast_calibration = 1;
1093 static int mlx5e_normal_calibration = 30;
1095 static SYSCTL_NODE(_hw_mlx5, OID_AUTO, calibr, CTLFLAG_RW, 0,
1096 "MLX5 timestamp calibration parameteres");
1098 SYSCTL_INT(_hw_mlx5_calibr, OID_AUTO, duration, CTLFLAG_RWTUN,
1099 &mlx5e_calibration_duration, 0,
1100 "Duration of initial calibration");
1101 SYSCTL_INT(_hw_mlx5_calibr, OID_AUTO, fast, CTLFLAG_RWTUN,
1102 &mlx5e_fast_calibration, 0,
1103 "Recalibration interval during initial calibration");
1104 SYSCTL_INT(_hw_mlx5_calibr, OID_AUTO, normal, CTLFLAG_RWTUN,
1105 &mlx5e_normal_calibration, 0,
1106 "Recalibration interval during normal operations");
1109 * Ignites the calibration process.
1112 mlx5e_reset_calibration_callout(struct mlx5e_priv *priv)
1115 if (priv->clbr_done == 0)
1116 mlx5e_calibration_callout(priv);
1118 callout_reset_curcpu(&priv->tstmp_clbr, (priv->clbr_done <
1119 mlx5e_calibration_duration ? mlx5e_fast_calibration :
1120 mlx5e_normal_calibration) * hz, mlx5e_calibration_callout,
1125 mlx5e_timespec2usec(const struct timespec *ts)
1128 return ((uint64_t)ts->tv_sec * 1000000000 + ts->tv_nsec);
1132 mlx5e_hw_clock(struct mlx5e_priv *priv)
1134 struct mlx5_init_seg *iseg;
1135 uint32_t hw_h, hw_h1, hw_l;
1137 iseg = priv->mdev->iseg;
1139 hw_h = ioread32be(&iseg->internal_timer_h);
1140 hw_l = ioread32be(&iseg->internal_timer_l);
1141 hw_h1 = ioread32be(&iseg->internal_timer_h);
1142 } while (hw_h1 != hw_h);
1143 return (((uint64_t)hw_h << 32) | hw_l);
1147 * The calibration callout, it runs either in the context of the
1148 * thread which enables calibration, or in callout. It takes the
1149 * snapshot of system and adapter clocks, then advances the pointers to
1150 * the calibration point to allow rx path to read the consistent data
1154 mlx5e_calibration_callout(void *arg)
1156 struct mlx5e_priv *priv;
1157 struct mlx5e_clbr_point *next, *curr;
1162 curr = &priv->clbr_points[priv->clbr_curr];
1163 clbr_curr_next = priv->clbr_curr + 1;
1164 if (clbr_curr_next >= nitems(priv->clbr_points))
1166 next = &priv->clbr_points[clbr_curr_next];
1168 next->base_prev = curr->base_curr;
1169 next->clbr_hw_prev = curr->clbr_hw_curr;
1171 next->clbr_hw_curr = mlx5e_hw_clock(priv);
1172 if (((next->clbr_hw_curr - curr->clbr_hw_curr) >> MLX5E_TSTMP_PREC) ==
1174 if (priv->clbr_done != 0) {
1175 if_printf(priv->ifp, "HW failed tstmp frozen %#jx %#jx,"
1177 next->clbr_hw_curr, curr->clbr_hw_prev);
1178 priv->clbr_done = 0;
1180 atomic_store_rel_int(&curr->clbr_gen, 0);
1185 next->base_curr = mlx5e_timespec2usec(&ts);
1188 atomic_thread_fence_rel();
1189 priv->clbr_curr = clbr_curr_next;
1190 atomic_store_rel_int(&next->clbr_gen, ++(priv->clbr_gen));
1192 if (priv->clbr_done < mlx5e_calibration_duration)
1194 mlx5e_reset_calibration_callout(priv);
1197 static const char *mlx5e_rq_stats_desc[] = {
1198 MLX5E_RQ_STATS(MLX5E_STATS_DESC)
1202 mlx5e_create_rq(struct mlx5e_channel *c,
1203 struct mlx5e_rq_param *param,
1204 struct mlx5e_rq *rq)
1206 struct mlx5e_priv *priv = c->priv;
1207 struct mlx5_core_dev *mdev = priv->mdev;
1209 void *rqc = param->rqc;
1210 void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
1216 err = mlx5e_get_wqe_sz(priv, &wqe_sz, &nsegs);
1220 /* Create DMA descriptor TAG */
1221 if ((err = -bus_dma_tag_create(
1222 bus_get_dma_tag(mdev->pdev->dev.bsddev),
1223 1, /* any alignment */
1224 0, /* no boundary */
1225 BUS_SPACE_MAXADDR, /* lowaddr */
1226 BUS_SPACE_MAXADDR, /* highaddr */
1227 NULL, NULL, /* filter, filterarg */
1228 nsegs * MLX5E_MAX_RX_BYTES, /* maxsize */
1229 nsegs, /* nsegments */
1230 nsegs * MLX5E_MAX_RX_BYTES, /* maxsegsize */
1232 NULL, NULL, /* lockfunc, lockfuncarg */
1236 err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq,
1239 goto err_free_dma_tag;
1241 rq->wq.db = &rq->wq.db[MLX5_RCV_DBR];
1243 err = mlx5e_get_wqe_sz(priv, &rq->wqe_sz, &rq->nsegs);
1245 goto err_rq_wq_destroy;
1247 wq_sz = mlx5_wq_ll_get_size(&rq->wq);
1249 err = -tcp_lro_init_args(&rq->lro, c->tag.m_snd_tag.ifp, TCP_LRO_ENTRIES, wq_sz);
1251 goto err_rq_wq_destroy;
1253 rq->mbuf = malloc(wq_sz * sizeof(rq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO);
1254 for (i = 0; i != wq_sz; i++) {
1255 struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i);
1258 err = -bus_dmamap_create(rq->dma_tag, 0, &rq->mbuf[i].dma_map);
1261 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map);
1262 goto err_rq_mbuf_free;
1265 /* set value for constant fields */
1266 for (j = 0; j < rq->nsegs; j++)
1267 wqe->data[j].lkey = c->mkey_be;
1270 INIT_WORK(&rq->dim.work, mlx5e_dim_work);
1271 if (priv->params.rx_cq_moderation_mode < 2) {
1272 rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_DISABLED;
1274 void *cqc = container_of(param,
1275 struct mlx5e_channel_param, rq)->rx_cq.cqc;
1277 switch (MLX5_GET(cqc, cqc, cq_period_mode)) {
1278 case MLX5_CQ_PERIOD_MODE_START_FROM_EQE:
1279 rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
1281 case MLX5_CQ_PERIOD_MODE_START_FROM_CQE:
1282 rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE;
1285 rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_DISABLED;
1290 rq->ifp = c->tag.m_snd_tag.ifp;
1294 snprintf(buffer, sizeof(buffer), "rxstat%d", c->ix);
1295 mlx5e_create_stats(&rq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
1296 buffer, mlx5e_rq_stats_desc, MLX5E_RQ_STATS_NUM,
1301 free(rq->mbuf, M_MLX5EN);
1302 tcp_lro_free(&rq->lro);
1304 mlx5_wq_destroy(&rq->wq_ctrl);
1306 bus_dma_tag_destroy(rq->dma_tag);
1312 mlx5e_destroy_rq(struct mlx5e_rq *rq)
1317 /* destroy all sysctl nodes */
1318 sysctl_ctx_free(&rq->stats.ctx);
1320 /* free leftover LRO packets, if any */
1321 tcp_lro_free(&rq->lro);
1323 wq_sz = mlx5_wq_ll_get_size(&rq->wq);
1324 for (i = 0; i != wq_sz; i++) {
1325 if (rq->mbuf[i].mbuf != NULL) {
1326 bus_dmamap_unload(rq->dma_tag, rq->mbuf[i].dma_map);
1327 m_freem(rq->mbuf[i].mbuf);
1329 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map);
1331 free(rq->mbuf, M_MLX5EN);
1332 mlx5_wq_destroy(&rq->wq_ctrl);
1336 mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
1338 struct mlx5e_channel *c = rq->channel;
1339 struct mlx5e_priv *priv = c->priv;
1340 struct mlx5_core_dev *mdev = priv->mdev;
1348 inlen = MLX5_ST_SZ_BYTES(create_rq_in) +
1349 sizeof(u64) * rq->wq_ctrl.buf.npages;
1350 in = mlx5_vzalloc(inlen);
1354 rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
1355 wq = MLX5_ADDR_OF(rqc, rqc, wq);
1357 memcpy(rqc, param->rqc, sizeof(param->rqc));
1359 MLX5_SET(rqc, rqc, cqn, c->rq.cq.mcq.cqn);
1360 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
1361 MLX5_SET(rqc, rqc, flush_in_error_en, 1);
1362 if (priv->counter_set_id >= 0)
1363 MLX5_SET(rqc, rqc, counter_set_id, priv->counter_set_id);
1364 MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift -
1366 MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma);
1368 mlx5_fill_page_array(&rq->wq_ctrl.buf,
1369 (__be64 *) MLX5_ADDR_OF(wq, wq, pas));
1371 err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn);
1379 mlx5e_modify_rq(struct mlx5e_rq *rq, int curr_state, int next_state)
1381 struct mlx5e_channel *c = rq->channel;
1382 struct mlx5e_priv *priv = c->priv;
1383 struct mlx5_core_dev *mdev = priv->mdev;
1390 inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
1391 in = mlx5_vzalloc(inlen);
1395 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1397 MLX5_SET(modify_rq_in, in, rqn, rq->rqn);
1398 MLX5_SET(modify_rq_in, in, rq_state, curr_state);
1399 MLX5_SET(rqc, rqc, state, next_state);
1401 err = mlx5_core_modify_rq(mdev, in, inlen);
1409 mlx5e_disable_rq(struct mlx5e_rq *rq)
1411 struct mlx5e_channel *c = rq->channel;
1412 struct mlx5e_priv *priv = c->priv;
1413 struct mlx5_core_dev *mdev = priv->mdev;
1415 mlx5_core_destroy_rq(mdev, rq->rqn);
1419 mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq)
1421 struct mlx5e_channel *c = rq->channel;
1422 struct mlx5e_priv *priv = c->priv;
1423 struct mlx5_wq_ll *wq = &rq->wq;
1426 for (i = 0; i < 1000; i++) {
1427 if (wq->cur_sz >= priv->params.min_rx_wqes)
1432 return (-ETIMEDOUT);
1436 mlx5e_open_rq(struct mlx5e_channel *c,
1437 struct mlx5e_rq_param *param,
1438 struct mlx5e_rq *rq)
1442 err = mlx5e_create_rq(c, param, rq);
1446 err = mlx5e_enable_rq(rq, param);
1448 goto err_destroy_rq;
1450 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
1452 goto err_disable_rq;
1459 mlx5e_disable_rq(rq);
1461 mlx5e_destroy_rq(rq);
1467 mlx5e_close_rq(struct mlx5e_rq *rq)
1471 callout_stop(&rq->watchdog);
1472 mtx_unlock(&rq->mtx);
1474 callout_drain(&rq->watchdog);
1476 mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR);
1480 mlx5e_close_rq_wait(struct mlx5e_rq *rq)
1483 mlx5e_disable_rq(rq);
1484 mlx5e_close_cq(&rq->cq);
1485 cancel_work_sync(&rq->dim.work);
1486 mlx5e_destroy_rq(rq);
1490 mlx5e_free_sq_db(struct mlx5e_sq *sq)
1492 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
1495 for (x = 0; x != wq_sz; x++) {
1496 if (sq->mbuf[x].mbuf != NULL) {
1497 bus_dmamap_unload(sq->dma_tag, sq->mbuf[x].dma_map);
1498 m_freem(sq->mbuf[x].mbuf);
1500 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map);
1502 free(sq->mbuf, M_MLX5EN);
1506 mlx5e_alloc_sq_db(struct mlx5e_sq *sq)
1508 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
1512 sq->mbuf = malloc(wq_sz * sizeof(sq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO);
1514 /* Create DMA descriptor MAPs */
1515 for (x = 0; x != wq_sz; x++) {
1516 err = -bus_dmamap_create(sq->dma_tag, 0, &sq->mbuf[x].dma_map);
1519 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map);
1520 free(sq->mbuf, M_MLX5EN);
1527 static const char *mlx5e_sq_stats_desc[] = {
1528 MLX5E_SQ_STATS(MLX5E_STATS_DESC)
1532 mlx5e_update_sq_inline(struct mlx5e_sq *sq)
1534 sq->max_inline = sq->priv->params.tx_max_inline;
1535 sq->min_inline_mode = sq->priv->params.tx_min_inline_mode;
1538 * Check if trust state is DSCP or if inline mode is NONE which
1539 * indicates CX-5 or newer hardware.
1541 if (sq->priv->params_ethtool.trust_state != MLX5_QPTS_TRUST_PCP ||
1542 sq->min_inline_mode == MLX5_INLINE_MODE_NONE) {
1543 if (MLX5_CAP_ETH(sq->priv->mdev, wqe_vlan_insert))
1544 sq->min_insert_caps = MLX5E_INSERT_VLAN | MLX5E_INSERT_NON_VLAN;
1546 sq->min_insert_caps = MLX5E_INSERT_NON_VLAN;
1548 sq->min_insert_caps = 0;
1553 mlx5e_refresh_sq_inline_sub(struct mlx5e_priv *priv, struct mlx5e_channel *c)
1557 for (i = 0; i != c->num_tc; i++) {
1558 mtx_lock(&c->sq[i].lock);
1559 mlx5e_update_sq_inline(&c->sq[i]);
1560 mtx_unlock(&c->sq[i].lock);
1565 mlx5e_refresh_sq_inline(struct mlx5e_priv *priv)
1569 /* check if channels are closed */
1570 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
1573 for (i = 0; i < priv->params.num_channels; i++)
1574 mlx5e_refresh_sq_inline_sub(priv, &priv->channel[i]);
1578 mlx5e_create_sq(struct mlx5e_channel *c,
1580 struct mlx5e_sq_param *param,
1581 struct mlx5e_sq *sq)
1583 struct mlx5e_priv *priv = c->priv;
1584 struct mlx5_core_dev *mdev = priv->mdev;
1586 void *sqc = param->sqc;
1587 void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq);
1590 /* Create DMA descriptor TAG */
1591 if ((err = -bus_dma_tag_create(
1592 bus_get_dma_tag(mdev->pdev->dev.bsddev),
1593 1, /* any alignment */
1594 0, /* no boundary */
1595 BUS_SPACE_MAXADDR, /* lowaddr */
1596 BUS_SPACE_MAXADDR, /* highaddr */
1597 NULL, NULL, /* filter, filterarg */
1598 MLX5E_MAX_TX_PAYLOAD_SIZE, /* maxsize */
1599 MLX5E_MAX_TX_MBUF_FRAGS, /* nsegments */
1600 MLX5E_MAX_TX_MBUF_SIZE, /* maxsegsize */
1602 NULL, NULL, /* lockfunc, lockfuncarg */
1606 err = mlx5_alloc_map_uar(mdev, &sq->uar);
1608 goto err_free_dma_tag;
1610 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq,
1613 goto err_unmap_free_uar;
1615 sq->wq.db = &sq->wq.db[MLX5_SND_DBR];
1616 sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2;
1618 err = mlx5e_alloc_sq_db(sq);
1620 goto err_sq_wq_destroy;
1622 sq->mkey_be = c->mkey_be;
1623 sq->ifp = priv->ifp;
1627 mlx5e_update_sq_inline(sq);
1629 snprintf(buffer, sizeof(buffer), "txstat%dtc%d", c->ix, tc);
1630 mlx5e_create_stats(&sq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
1631 buffer, mlx5e_sq_stats_desc, MLX5E_SQ_STATS_NUM,
1637 mlx5_wq_destroy(&sq->wq_ctrl);
1640 mlx5_unmap_free_uar(mdev, &sq->uar);
1643 bus_dma_tag_destroy(sq->dma_tag);
1649 mlx5e_destroy_sq(struct mlx5e_sq *sq)
1651 /* destroy all sysctl nodes */
1652 sysctl_ctx_free(&sq->stats.ctx);
1654 mlx5e_free_sq_db(sq);
1655 mlx5_wq_destroy(&sq->wq_ctrl);
1656 mlx5_unmap_free_uar(sq->priv->mdev, &sq->uar);
1660 mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param,
1669 inlen = MLX5_ST_SZ_BYTES(create_sq_in) +
1670 sizeof(u64) * sq->wq_ctrl.buf.npages;
1671 in = mlx5_vzalloc(inlen);
1675 sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
1676 wq = MLX5_ADDR_OF(sqc, sqc, wq);
1678 memcpy(sqc, param->sqc, sizeof(param->sqc));
1680 MLX5_SET(sqc, sqc, tis_num_0, tis_num);
1681 MLX5_SET(sqc, sqc, cqn, sq->cq.mcq.cqn);
1682 MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
1683 MLX5_SET(sqc, sqc, tis_lst_sz, 1);
1684 MLX5_SET(sqc, sqc, flush_in_error_en, 1);
1686 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
1687 MLX5_SET(wq, wq, uar_page, sq->uar.index);
1688 MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift -
1690 MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma);
1692 mlx5_fill_page_array(&sq->wq_ctrl.buf,
1693 (__be64 *) MLX5_ADDR_OF(wq, wq, pas));
1695 err = mlx5_core_create_sq(sq->priv->mdev, in, inlen, &sq->sqn);
1703 mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state)
1710 inlen = MLX5_ST_SZ_BYTES(modify_sq_in);
1711 in = mlx5_vzalloc(inlen);
1715 sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1717 MLX5_SET(modify_sq_in, in, sqn, sq->sqn);
1718 MLX5_SET(modify_sq_in, in, sq_state, curr_state);
1719 MLX5_SET(sqc, sqc, state, next_state);
1721 err = mlx5_core_modify_sq(sq->priv->mdev, in, inlen);
1729 mlx5e_disable_sq(struct mlx5e_sq *sq)
1732 mlx5_core_destroy_sq(sq->priv->mdev, sq->sqn);
1736 mlx5e_open_sq(struct mlx5e_channel *c,
1738 struct mlx5e_sq_param *param,
1739 struct mlx5e_sq *sq)
1743 err = mlx5e_create_sq(c, tc, param, sq);
1747 err = mlx5e_enable_sq(sq, param, c->priv->tisn[tc]);
1749 goto err_destroy_sq;
1751 err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY);
1753 goto err_disable_sq;
1755 WRITE_ONCE(sq->running, 1);
1760 mlx5e_disable_sq(sq);
1762 mlx5e_destroy_sq(sq);
1768 mlx5e_sq_send_nops_locked(struct mlx5e_sq *sq, int can_sleep)
1770 /* fill up remainder with NOPs */
1771 while (sq->cev_counter != 0) {
1772 while (!mlx5e_sq_has_room_for(sq, 1)) {
1773 if (can_sleep != 0) {
1774 mtx_unlock(&sq->lock);
1776 mtx_lock(&sq->lock);
1781 /* send a single NOP */
1782 mlx5e_send_nop(sq, 1);
1783 atomic_thread_fence_rel();
1786 /* Check if we need to write the doorbell */
1787 if (likely(sq->doorbell.d64 != 0)) {
1788 mlx5e_tx_notify_hw(sq, sq->doorbell.d32, 0);
1789 sq->doorbell.d64 = 0;
1794 mlx5e_sq_cev_timeout(void *arg)
1796 struct mlx5e_sq *sq = arg;
1798 mtx_assert(&sq->lock, MA_OWNED);
1800 /* check next state */
1801 switch (sq->cev_next_state) {
1802 case MLX5E_CEV_STATE_SEND_NOPS:
1803 /* fill TX ring with NOPs, if any */
1804 mlx5e_sq_send_nops_locked(sq, 0);
1806 /* check if completed */
1807 if (sq->cev_counter == 0) {
1808 sq->cev_next_state = MLX5E_CEV_STATE_INITIAL;
1813 /* send NOPs on next timeout */
1814 sq->cev_next_state = MLX5E_CEV_STATE_SEND_NOPS;
1819 callout_reset_curcpu(&sq->cev_callout, hz, mlx5e_sq_cev_timeout, sq);
1823 mlx5e_drain_sq(struct mlx5e_sq *sq)
1826 struct mlx5_core_dev *mdev= sq->priv->mdev;
1829 * Check if already stopped.
1831 * NOTE: Serialization of this function is managed by the
1832 * caller ensuring the priv's state lock is locked or in case
1833 * of rate limit support, a single thread manages drain and
1834 * resume of SQs. The "running" variable can therefore safely
1835 * be read without any locks.
1837 if (READ_ONCE(sq->running) == 0)
1840 /* don't put more packets into the SQ */
1841 WRITE_ONCE(sq->running, 0);
1843 /* serialize access to DMA rings */
1844 mtx_lock(&sq->lock);
1846 /* teardown event factor timer, if any */
1847 sq->cev_next_state = MLX5E_CEV_STATE_HOLD_NOPS;
1848 callout_stop(&sq->cev_callout);
1850 /* send dummy NOPs in order to flush the transmit ring */
1851 mlx5e_sq_send_nops_locked(sq, 1);
1852 mtx_unlock(&sq->lock);
1854 /* make sure it is safe to free the callout */
1855 callout_drain(&sq->cev_callout);
1857 /* wait till SQ is empty or link is down */
1858 mtx_lock(&sq->lock);
1859 while (sq->cc != sq->pc &&
1860 (sq->priv->media_status_last & IFM_ACTIVE) != 0 &&
1861 mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) {
1862 mtx_unlock(&sq->lock);
1864 sq->cq.mcq.comp(&sq->cq.mcq);
1865 mtx_lock(&sq->lock);
1867 mtx_unlock(&sq->lock);
1869 /* error out remaining requests */
1870 error = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR);
1873 "mlx5e_modify_sq() from RDY to ERR failed: %d\n", error);
1876 /* wait till SQ is empty */
1877 mtx_lock(&sq->lock);
1878 while (sq->cc != sq->pc &&
1879 mdev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) {
1880 mtx_unlock(&sq->lock);
1882 sq->cq.mcq.comp(&sq->cq.mcq);
1883 mtx_lock(&sq->lock);
1885 mtx_unlock(&sq->lock);
1889 mlx5e_close_sq_wait(struct mlx5e_sq *sq)
1893 mlx5e_disable_sq(sq);
1894 mlx5e_destroy_sq(sq);
1898 mlx5e_create_cq(struct mlx5e_priv *priv,
1899 struct mlx5e_cq_param *param,
1900 struct mlx5e_cq *cq,
1901 mlx5e_cq_comp_t *comp,
1904 struct mlx5_core_dev *mdev = priv->mdev;
1905 struct mlx5_core_cq *mcq = &cq->mcq;
1911 param->wq.buf_numa_node = 0;
1912 param->wq.db_numa_node = 0;
1914 err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq,
1919 mlx5_vector2eqn(mdev, eq_ix, &eqn_not_used, &irqn);
1922 mcq->set_ci_db = cq->wq_ctrl.db.db;
1923 mcq->arm_db = cq->wq_ctrl.db.db + 1;
1924 *mcq->set_ci_db = 0;
1926 mcq->vector = eq_ix;
1928 mcq->event = mlx5e_cq_error_event;
1930 mcq->uar = &priv->cq_uar;
1932 for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) {
1933 struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i);
1944 mlx5e_destroy_cq(struct mlx5e_cq *cq)
1946 mlx5_wq_destroy(&cq->wq_ctrl);
1950 mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param, int eq_ix)
1952 struct mlx5_core_cq *mcq = &cq->mcq;
1960 inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
1961 sizeof(u64) * cq->wq_ctrl.buf.npages;
1962 in = mlx5_vzalloc(inlen);
1966 cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1968 memcpy(cqc, param->cqc, sizeof(param->cqc));
1970 mlx5_fill_page_array(&cq->wq_ctrl.buf,
1971 (__be64 *) MLX5_ADDR_OF(create_cq_in, in, pas));
1973 mlx5_vector2eqn(cq->priv->mdev, eq_ix, &eqn, &irqn_not_used);
1975 MLX5_SET(cqc, cqc, c_eqn, eqn);
1976 MLX5_SET(cqc, cqc, uar_page, mcq->uar->index);
1977 MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift -
1979 MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma);
1981 err = mlx5_core_create_cq(cq->priv->mdev, mcq, in, inlen);
1988 mlx5e_cq_arm(cq, MLX5_GET_DOORBELL_LOCK(&cq->priv->doorbell_lock));
1994 mlx5e_disable_cq(struct mlx5e_cq *cq)
1997 mlx5_core_destroy_cq(cq->priv->mdev, &cq->mcq);
2001 mlx5e_open_cq(struct mlx5e_priv *priv,
2002 struct mlx5e_cq_param *param,
2003 struct mlx5e_cq *cq,
2004 mlx5e_cq_comp_t *comp,
2009 err = mlx5e_create_cq(priv, param, cq, comp, eq_ix);
2013 err = mlx5e_enable_cq(cq, param, eq_ix);
2015 goto err_destroy_cq;
2020 mlx5e_destroy_cq(cq);
2026 mlx5e_close_cq(struct mlx5e_cq *cq)
2028 mlx5e_disable_cq(cq);
2029 mlx5e_destroy_cq(cq);
2033 mlx5e_open_tx_cqs(struct mlx5e_channel *c,
2034 struct mlx5e_channel_param *cparam)
2039 for (tc = 0; tc < c->num_tc; tc++) {
2040 /* open completion queue */
2041 err = mlx5e_open_cq(c->priv, &cparam->tx_cq, &c->sq[tc].cq,
2042 &mlx5e_tx_cq_comp, c->ix);
2044 goto err_close_tx_cqs;
2049 for (tc--; tc >= 0; tc--)
2050 mlx5e_close_cq(&c->sq[tc].cq);
2056 mlx5e_close_tx_cqs(struct mlx5e_channel *c)
2060 for (tc = 0; tc < c->num_tc; tc++)
2061 mlx5e_close_cq(&c->sq[tc].cq);
2065 mlx5e_open_sqs(struct mlx5e_channel *c,
2066 struct mlx5e_channel_param *cparam)
2071 for (tc = 0; tc < c->num_tc; tc++) {
2072 err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]);
2080 for (tc--; tc >= 0; tc--)
2081 mlx5e_close_sq_wait(&c->sq[tc]);
2087 mlx5e_close_sqs_wait(struct mlx5e_channel *c)
2091 for (tc = 0; tc < c->num_tc; tc++)
2092 mlx5e_close_sq_wait(&c->sq[tc]);
2096 mlx5e_chan_mtx_init(struct mlx5e_channel *c)
2100 mtx_init(&c->rq.mtx, "mlx5rx", MTX_NETWORK_LOCK, MTX_DEF);
2102 callout_init_mtx(&c->rq.watchdog, &c->rq.mtx, 0);
2104 for (tc = 0; tc < c->num_tc; tc++) {
2105 struct mlx5e_sq *sq = c->sq + tc;
2107 mtx_init(&sq->lock, "mlx5tx",
2108 MTX_NETWORK_LOCK " TX", MTX_DEF);
2109 mtx_init(&sq->comp_lock, "mlx5comp",
2110 MTX_NETWORK_LOCK " TX", MTX_DEF);
2112 callout_init_mtx(&sq->cev_callout, &sq->lock, 0);
2114 sq->cev_factor = c->priv->params_ethtool.tx_completion_fact;
2116 /* ensure the TX completion event factor is not zero */
2117 if (sq->cev_factor == 0)
2123 mlx5e_chan_mtx_destroy(struct mlx5e_channel *c)
2127 mtx_destroy(&c->rq.mtx);
2129 for (tc = 0; tc < c->num_tc; tc++) {
2130 mtx_destroy(&c->sq[tc].lock);
2131 mtx_destroy(&c->sq[tc].comp_lock);
2136 mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
2137 struct mlx5e_channel_param *cparam,
2138 struct mlx5e_channel *c)
2142 memset(c, 0, sizeof(*c));
2146 /* setup send tag */
2147 c->tag.m_snd_tag.ifp = priv->ifp;
2148 c->tag.type = IF_SND_TAG_TYPE_UNLIMITED;
2149 c->mkey_be = cpu_to_be32(priv->mr.key);
2150 c->num_tc = priv->num_tc;
2153 mlx5e_chan_mtx_init(c);
2155 /* open transmit completion queue */
2156 err = mlx5e_open_tx_cqs(c, cparam);
2160 /* open receive completion queue */
2161 err = mlx5e_open_cq(c->priv, &cparam->rx_cq, &c->rq.cq,
2162 &mlx5e_rx_cq_comp, c->ix);
2164 goto err_close_tx_cqs;
2166 err = mlx5e_open_sqs(c, cparam);
2168 goto err_close_rx_cq;
2170 err = mlx5e_open_rq(c, &cparam->rq, &c->rq);
2174 /* poll receive queue initially */
2175 c->rq.cq.mcq.comp(&c->rq.cq.mcq);
2180 mlx5e_close_sqs_wait(c);
2183 mlx5e_close_cq(&c->rq.cq);
2186 mlx5e_close_tx_cqs(c);
2189 /* destroy mutexes */
2190 mlx5e_chan_mtx_destroy(c);
2195 mlx5e_close_channel(struct mlx5e_channel *c)
2197 mlx5e_close_rq(&c->rq);
2201 mlx5e_close_channel_wait(struct mlx5e_channel *c)
2203 mlx5e_close_rq_wait(&c->rq);
2204 mlx5e_close_sqs_wait(c);
2205 mlx5e_close_tx_cqs(c);
2206 /* destroy mutexes */
2207 mlx5e_chan_mtx_destroy(c);
2211 mlx5e_get_wqe_sz(struct mlx5e_priv *priv, u32 *wqe_sz, u32 *nsegs)
2215 r = priv->params.hw_lro_en ? priv->params.lro_wqe_sz :
2216 MLX5E_SW2MB_MTU(priv->ifp->if_mtu);
2217 if (r > MJUM16BYTES)
2222 else if (r > MJUMPAGESIZE)
2224 else if (r > MCLBYTES)
2230 * n + 1 must be a power of two, because stride size must be.
2231 * Stride size is 16 * (n + 1), as the first segment is
2234 for (n = howmany(r, MLX5E_MAX_RX_BYTES); !powerof2(n + 1); n++)
2237 if (n > MLX5E_MAX_BUSDMA_RX_SEGS)
2246 mlx5e_build_rq_param(struct mlx5e_priv *priv,
2247 struct mlx5e_rq_param *param)
2249 void *rqc = param->rqc;
2250 void *wq = MLX5_ADDR_OF(rqc, rqc, wq);
2253 mlx5e_get_wqe_sz(priv, &wqe_sz, &nsegs);
2254 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST);
2255 MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN);
2256 MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe) +
2257 nsegs * sizeof(struct mlx5_wqe_data_seg)));
2258 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size);
2259 MLX5_SET(wq, wq, pd, priv->pdn);
2261 param->wq.buf_numa_node = 0;
2262 param->wq.db_numa_node = 0;
2263 param->wq.linear = 1;
2267 mlx5e_build_sq_param(struct mlx5e_priv *priv,
2268 struct mlx5e_sq_param *param)
2270 void *sqc = param->sqc;
2271 void *wq = MLX5_ADDR_OF(sqc, sqc, wq);
2273 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size);
2274 MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB));
2275 MLX5_SET(wq, wq, pd, priv->pdn);
2277 param->wq.buf_numa_node = 0;
2278 param->wq.db_numa_node = 0;
2279 param->wq.linear = 1;
2283 mlx5e_build_common_cq_param(struct mlx5e_priv *priv,
2284 struct mlx5e_cq_param *param)
2286 void *cqc = param->cqc;
2288 MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index);
2292 mlx5e_get_default_profile(struct mlx5e_priv *priv, int mode, struct net_dim_cq_moder *ptr)
2295 *ptr = net_dim_get_profile(mode, MLX5E_DIM_DEFAULT_PROFILE);
2297 /* apply LRO restrictions */
2298 if (priv->params.hw_lro_en &&
2299 ptr->pkts > MLX5E_DIM_MAX_RX_CQ_MODERATION_PKTS_WITH_LRO) {
2300 ptr->pkts = MLX5E_DIM_MAX_RX_CQ_MODERATION_PKTS_WITH_LRO;
2305 mlx5e_build_rx_cq_param(struct mlx5e_priv *priv,
2306 struct mlx5e_cq_param *param)
2308 struct net_dim_cq_moder curr;
2309 void *cqc = param->cqc;
2312 * We use MLX5_CQE_FORMAT_HASH because the RX hash mini CQE
2313 * format is more beneficial for FreeBSD use case.
2315 * Adding support for MLX5_CQE_FORMAT_CSUM will require changes
2316 * in mlx5e_decompress_cqe.
2318 if (priv->params.cqe_zipping_en) {
2319 MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_HASH);
2320 MLX5_SET(cqc, cqc, cqe_compression_en, 1);
2323 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_rq_size);
2325 switch (priv->params.rx_cq_moderation_mode) {
2327 MLX5_SET(cqc, cqc, cq_period, priv->params.rx_cq_moderation_usec);
2328 MLX5_SET(cqc, cqc, cq_max_count, priv->params.rx_cq_moderation_pkts);
2329 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2332 MLX5_SET(cqc, cqc, cq_period, priv->params.rx_cq_moderation_usec);
2333 MLX5_SET(cqc, cqc, cq_max_count, priv->params.rx_cq_moderation_pkts);
2334 if (MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe))
2335 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
2337 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2340 mlx5e_get_default_profile(priv, NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE, &curr);
2341 MLX5_SET(cqc, cqc, cq_period, curr.usec);
2342 MLX5_SET(cqc, cqc, cq_max_count, curr.pkts);
2343 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2346 mlx5e_get_default_profile(priv, NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE, &curr);
2347 MLX5_SET(cqc, cqc, cq_period, curr.usec);
2348 MLX5_SET(cqc, cqc, cq_max_count, curr.pkts);
2349 if (MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe))
2350 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
2352 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2358 mlx5e_dim_build_cq_param(priv, param);
2360 mlx5e_build_common_cq_param(priv, param);
2364 mlx5e_build_tx_cq_param(struct mlx5e_priv *priv,
2365 struct mlx5e_cq_param *param)
2367 void *cqc = param->cqc;
2369 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size);
2370 MLX5_SET(cqc, cqc, cq_period, priv->params.tx_cq_moderation_usec);
2371 MLX5_SET(cqc, cqc, cq_max_count, priv->params.tx_cq_moderation_pkts);
2373 switch (priv->params.tx_cq_moderation_mode) {
2375 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2378 if (MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe))
2379 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
2381 MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
2385 mlx5e_build_common_cq_param(priv, param);
2389 mlx5e_build_channel_param(struct mlx5e_priv *priv,
2390 struct mlx5e_channel_param *cparam)
2392 memset(cparam, 0, sizeof(*cparam));
2394 mlx5e_build_rq_param(priv, &cparam->rq);
2395 mlx5e_build_sq_param(priv, &cparam->sq);
2396 mlx5e_build_rx_cq_param(priv, &cparam->rx_cq);
2397 mlx5e_build_tx_cq_param(priv, &cparam->tx_cq);
2401 mlx5e_open_channels(struct mlx5e_priv *priv)
2403 struct mlx5e_channel_param cparam;
2408 mlx5e_build_channel_param(priv, &cparam);
2409 for (i = 0; i < priv->params.num_channels; i++) {
2410 err = mlx5e_open_channel(priv, i, &cparam, &priv->channel[i]);
2412 goto err_close_channels;
2415 for (j = 0; j < priv->params.num_channels; j++) {
2416 err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j].rq);
2418 goto err_close_channels;
2424 mlx5e_close_channel(&priv->channel[i]);
2425 mlx5e_close_channel_wait(&priv->channel[i]);
2431 mlx5e_close_channels(struct mlx5e_priv *priv)
2435 for (i = 0; i < priv->params.num_channels; i++)
2436 mlx5e_close_channel(&priv->channel[i]);
2437 for (i = 0; i < priv->params.num_channels; i++)
2438 mlx5e_close_channel_wait(&priv->channel[i]);
2442 mlx5e_refresh_sq_params(struct mlx5e_priv *priv, struct mlx5e_sq *sq)
2445 if (MLX5_CAP_GEN(priv->mdev, cq_period_mode_modify)) {
2448 switch (priv->params.tx_cq_moderation_mode) {
2451 cq_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
2454 cq_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE;
2458 return (mlx5_core_modify_cq_moderation_mode(priv->mdev, &sq->cq.mcq,
2459 priv->params.tx_cq_moderation_usec,
2460 priv->params.tx_cq_moderation_pkts,
2464 return (mlx5_core_modify_cq_moderation(priv->mdev, &sq->cq.mcq,
2465 priv->params.tx_cq_moderation_usec,
2466 priv->params.tx_cq_moderation_pkts));
2470 mlx5e_refresh_rq_params(struct mlx5e_priv *priv, struct mlx5e_rq *rq)
2473 if (MLX5_CAP_GEN(priv->mdev, cq_period_mode_modify)) {
2478 switch (priv->params.rx_cq_moderation_mode) {
2481 cq_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
2482 dim_mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
2485 cq_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE;
2486 dim_mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE;
2490 /* tear down dynamic interrupt moderation */
2492 rq->dim.mode = NET_DIM_CQ_PERIOD_MODE_DISABLED;
2493 mtx_unlock(&rq->mtx);
2495 /* wait for dynamic interrupt moderation work task, if any */
2496 cancel_work_sync(&rq->dim.work);
2498 if (priv->params.rx_cq_moderation_mode >= 2) {
2499 struct net_dim_cq_moder curr;
2501 mlx5e_get_default_profile(priv, dim_mode, &curr);
2503 retval = mlx5_core_modify_cq_moderation_mode(priv->mdev, &rq->cq.mcq,
2504 curr.usec, curr.pkts, cq_mode);
2506 /* set dynamic interrupt moderation mode and zero defaults */
2508 rq->dim.mode = dim_mode;
2510 rq->dim.profile_ix = MLX5E_DIM_DEFAULT_PROFILE;
2511 mtx_unlock(&rq->mtx);
2513 retval = mlx5_core_modify_cq_moderation_mode(priv->mdev, &rq->cq.mcq,
2514 priv->params.rx_cq_moderation_usec,
2515 priv->params.rx_cq_moderation_pkts,
2521 return (mlx5_core_modify_cq_moderation(priv->mdev, &rq->cq.mcq,
2522 priv->params.rx_cq_moderation_usec,
2523 priv->params.rx_cq_moderation_pkts));
2527 mlx5e_refresh_channel_params_sub(struct mlx5e_priv *priv, struct mlx5e_channel *c)
2532 err = mlx5e_refresh_rq_params(priv, &c->rq);
2536 for (i = 0; i != c->num_tc; i++) {
2537 err = mlx5e_refresh_sq_params(priv, &c->sq[i]);
2546 mlx5e_refresh_channel_params(struct mlx5e_priv *priv)
2550 /* check if channels are closed */
2551 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
2554 for (i = 0; i < priv->params.num_channels; i++) {
2557 err = mlx5e_refresh_channel_params_sub(priv, &priv->channel[i]);
2565 mlx5e_open_tis(struct mlx5e_priv *priv, int tc)
2567 struct mlx5_core_dev *mdev = priv->mdev;
2568 u32 in[MLX5_ST_SZ_DW(create_tis_in)];
2569 void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
2571 memset(in, 0, sizeof(in));
2573 MLX5_SET(tisc, tisc, prio, tc);
2574 MLX5_SET(tisc, tisc, transport_domain, priv->tdn);
2576 return (mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]));
2580 mlx5e_close_tis(struct mlx5e_priv *priv, int tc)
2582 mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]);
2586 mlx5e_open_tises(struct mlx5e_priv *priv)
2588 int num_tc = priv->num_tc;
2592 for (tc = 0; tc < num_tc; tc++) {
2593 err = mlx5e_open_tis(priv, tc);
2595 goto err_close_tises;
2601 for (tc--; tc >= 0; tc--)
2602 mlx5e_close_tis(priv, tc);
2608 mlx5e_close_tises(struct mlx5e_priv *priv)
2610 int num_tc = priv->num_tc;
2613 for (tc = 0; tc < num_tc; tc++)
2614 mlx5e_close_tis(priv, tc);
2618 mlx5e_open_rqt(struct mlx5e_priv *priv)
2620 struct mlx5_core_dev *mdev = priv->mdev;
2622 u32 out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
2629 sz = 1 << priv->params.rx_hash_log_tbl_sz;
2631 inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz;
2632 in = mlx5_vzalloc(inlen);
2635 rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
2637 MLX5_SET(rqtc, rqtc, rqt_actual_size, sz);
2638 MLX5_SET(rqtc, rqtc, rqt_max_size, sz);
2640 for (i = 0; i < sz; i++) {
2643 ix = rss_get_indirection_to_bucket(ix);
2645 /* ensure we don't overflow */
2646 ix %= priv->params.num_channels;
2648 /* apply receive side scaling stride, if any */
2649 ix -= ix % (int)priv->params.channels_rsss;
2651 MLX5_SET(rqtc, rqtc, rq_num[i], priv->channel[ix].rq.rqn);
2654 MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
2656 err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
2658 priv->rqtn = MLX5_GET(create_rqt_out, out, rqtn);
2666 mlx5e_close_rqt(struct mlx5e_priv *priv)
2668 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {0};
2669 u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {0};
2671 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
2672 MLX5_SET(destroy_rqt_in, in, rqtn, priv->rqtn);
2674 mlx5_cmd_exec(priv->mdev, in, sizeof(in), out, sizeof(out));
2678 mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 * tirc, int tt)
2680 void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer);
2683 MLX5_SET(tirc, tirc, transport_domain, priv->tdn);
2685 #define ROUGH_MAX_L2_L3_HDR_SZ 256
2687 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
2688 MLX5_HASH_FIELD_SEL_DST_IP)
2690 #define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\
2691 MLX5_HASH_FIELD_SEL_DST_IP |\
2692 MLX5_HASH_FIELD_SEL_L4_SPORT |\
2693 MLX5_HASH_FIELD_SEL_L4_DPORT)
2695 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
2696 MLX5_HASH_FIELD_SEL_DST_IP |\
2697 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
2699 if (priv->params.hw_lro_en) {
2700 MLX5_SET(tirc, tirc, lro_enable_mask,
2701 MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO |
2702 MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO);
2703 MLX5_SET(tirc, tirc, lro_max_msg_sz,
2704 (priv->params.lro_wqe_sz -
2705 ROUGH_MAX_L2_L3_HDR_SZ) >> 8);
2706 /* TODO: add the option to choose timer value dynamically */
2707 MLX5_SET(tirc, tirc, lro_timeout_period_usecs,
2708 MLX5_CAP_ETH(priv->mdev,
2709 lro_timer_supported_periods[2]));
2712 /* setup parameters for hashing TIR type, if any */
2715 MLX5_SET(tirc, tirc, disp_type,
2716 MLX5_TIRC_DISP_TYPE_DIRECT);
2717 MLX5_SET(tirc, tirc, inline_rqn,
2718 priv->channel[0].rq.rqn);
2721 MLX5_SET(tirc, tirc, disp_type,
2722 MLX5_TIRC_DISP_TYPE_INDIRECT);
2723 MLX5_SET(tirc, tirc, indirect_table,
2725 MLX5_SET(tirc, tirc, rx_hash_fn,
2726 MLX5_TIRC_RX_HASH_FN_HASH_TOEPLITZ);
2727 hkey = (__be32 *) MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key);
2730 * The FreeBSD RSS implementation does currently not
2731 * support symmetric Toeplitz hashes:
2733 MLX5_SET(tirc, tirc, rx_hash_symmetric, 0);
2734 rss_getkey((uint8_t *)hkey);
2736 MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);
2737 hkey[0] = cpu_to_be32(0xD181C62C);
2738 hkey[1] = cpu_to_be32(0xF7F4DB5B);
2739 hkey[2] = cpu_to_be32(0x1983A2FC);
2740 hkey[3] = cpu_to_be32(0x943E1ADB);
2741 hkey[4] = cpu_to_be32(0xD9389E6B);
2742 hkey[5] = cpu_to_be32(0xD1039C2C);
2743 hkey[6] = cpu_to_be32(0xA74499AD);
2744 hkey[7] = cpu_to_be32(0x593D56D9);
2745 hkey[8] = cpu_to_be32(0xF3253C06);
2746 hkey[9] = cpu_to_be32(0x2ADC1FFC);
2752 case MLX5E_TT_IPV4_TCP:
2753 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2754 MLX5_L3_PROT_TYPE_IPV4);
2755 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
2756 MLX5_L4_PROT_TYPE_TCP);
2758 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV4)) {
2759 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2763 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2767 case MLX5E_TT_IPV6_TCP:
2768 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2769 MLX5_L3_PROT_TYPE_IPV6);
2770 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
2771 MLX5_L4_PROT_TYPE_TCP);
2773 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV6)) {
2774 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2778 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2782 case MLX5E_TT_IPV4_UDP:
2783 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2784 MLX5_L3_PROT_TYPE_IPV4);
2785 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
2786 MLX5_L4_PROT_TYPE_UDP);
2788 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV4)) {
2789 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2793 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2797 case MLX5E_TT_IPV6_UDP:
2798 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2799 MLX5_L3_PROT_TYPE_IPV6);
2800 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
2801 MLX5_L4_PROT_TYPE_UDP);
2803 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV6)) {
2804 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2808 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2812 case MLX5E_TT_IPV4_IPSEC_AH:
2813 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2814 MLX5_L3_PROT_TYPE_IPV4);
2815 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2816 MLX5_HASH_IP_IPSEC_SPI);
2819 case MLX5E_TT_IPV6_IPSEC_AH:
2820 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2821 MLX5_L3_PROT_TYPE_IPV6);
2822 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2823 MLX5_HASH_IP_IPSEC_SPI);
2826 case MLX5E_TT_IPV4_IPSEC_ESP:
2827 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2828 MLX5_L3_PROT_TYPE_IPV4);
2829 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2830 MLX5_HASH_IP_IPSEC_SPI);
2833 case MLX5E_TT_IPV6_IPSEC_ESP:
2834 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2835 MLX5_L3_PROT_TYPE_IPV6);
2836 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2837 MLX5_HASH_IP_IPSEC_SPI);
2841 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2842 MLX5_L3_PROT_TYPE_IPV4);
2843 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2848 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
2849 MLX5_L3_PROT_TYPE_IPV6);
2850 MLX5_SET(rx_hash_field_select, hfso, selected_fields,
2860 mlx5e_open_tir(struct mlx5e_priv *priv, int tt)
2862 struct mlx5_core_dev *mdev = priv->mdev;
2868 inlen = MLX5_ST_SZ_BYTES(create_tir_in);
2869 in = mlx5_vzalloc(inlen);
2872 tirc = MLX5_ADDR_OF(create_tir_in, in, tir_context);
2874 mlx5e_build_tir_ctx(priv, tirc, tt);
2876 err = mlx5_core_create_tir(mdev, in, inlen, &priv->tirn[tt]);
2884 mlx5e_close_tir(struct mlx5e_priv *priv, int tt)
2886 mlx5_core_destroy_tir(priv->mdev, priv->tirn[tt]);
2890 mlx5e_open_tirs(struct mlx5e_priv *priv)
2895 for (i = 0; i < MLX5E_NUM_TT; i++) {
2896 err = mlx5e_open_tir(priv, i);
2898 goto err_close_tirs;
2904 for (i--; i >= 0; i--)
2905 mlx5e_close_tir(priv, i);
2911 mlx5e_close_tirs(struct mlx5e_priv *priv)
2915 for (i = 0; i < MLX5E_NUM_TT; i++)
2916 mlx5e_close_tir(priv, i);
2920 * SW MTU does not include headers,
2921 * HW MTU includes all headers and checksums.
2924 mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu)
2926 struct mlx5e_priv *priv = ifp->if_softc;
2927 struct mlx5_core_dev *mdev = priv->mdev;
2931 hw_mtu = MLX5E_SW2HW_MTU(sw_mtu);
2933 err = mlx5_set_port_mtu(mdev, hw_mtu);
2935 if_printf(ifp, "%s: mlx5_set_port_mtu failed setting %d, err=%d\n",
2936 __func__, sw_mtu, err);
2940 /* Update vport context MTU */
2941 err = mlx5_set_vport_mtu(mdev, hw_mtu);
2943 if_printf(ifp, "%s: Failed updating vport context with MTU size, err=%d\n",
2947 ifp->if_mtu = sw_mtu;
2949 err = mlx5_query_vport_mtu(mdev, &hw_mtu);
2950 if (err || !hw_mtu) {
2951 /* fallback to port oper mtu */
2952 err = mlx5_query_port_oper_mtu(mdev, &hw_mtu);
2955 if_printf(ifp, "Query port MTU, after setting new "
2956 "MTU value, failed\n");
2958 } else if (MLX5E_HW2SW_MTU(hw_mtu) < sw_mtu) {
2960 if_printf(ifp, "Port MTU %d is smaller than "
2961 "ifp mtu %d\n", hw_mtu, sw_mtu);
2962 } else if (MLX5E_HW2SW_MTU(hw_mtu) > sw_mtu) {
2964 if_printf(ifp, "Port MTU %d is bigger than "
2965 "ifp mtu %d\n", hw_mtu, sw_mtu);
2967 priv->params_ethtool.hw_mtu = hw_mtu;
2973 mlx5e_open_locked(struct ifnet *ifp)
2975 struct mlx5e_priv *priv = ifp->if_softc;
2979 /* check if already opened */
2980 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0)
2984 if (rss_getnumbuckets() > priv->params.num_channels) {
2985 if_printf(ifp, "NOTE: There are more RSS buckets(%u) than "
2986 "channels(%u) available\n", rss_getnumbuckets(),
2987 priv->params.num_channels);
2990 err = mlx5e_open_tises(priv);
2992 if_printf(ifp, "%s: mlx5e_open_tises failed, %d\n",
2996 err = mlx5_vport_alloc_q_counter(priv->mdev,
2997 MLX5_INTERFACE_PROTOCOL_ETH, &set_id);
2999 if_printf(priv->ifp,
3000 "%s: mlx5_vport_alloc_q_counter failed: %d\n",
3002 goto err_close_tises;
3004 /* store counter set ID */
3005 priv->counter_set_id = set_id;
3007 err = mlx5e_open_channels(priv);
3009 if_printf(ifp, "%s: mlx5e_open_channels failed, %d\n",
3011 goto err_dalloc_q_counter;
3013 err = mlx5e_open_rqt(priv);
3015 if_printf(ifp, "%s: mlx5e_open_rqt failed, %d\n",
3017 goto err_close_channels;
3019 err = mlx5e_open_tirs(priv);
3021 if_printf(ifp, "%s: mlx5e_open_tir failed, %d\n",
3023 goto err_close_rqls;
3025 err = mlx5e_open_flow_table(priv);
3027 if_printf(ifp, "%s: mlx5e_open_flow_table failed, %d\n",
3029 goto err_close_tirs;
3031 err = mlx5e_add_all_vlan_rules(priv);
3033 if_printf(ifp, "%s: mlx5e_add_all_vlan_rules failed, %d\n",
3035 goto err_close_flow_table;
3037 set_bit(MLX5E_STATE_OPENED, &priv->state);
3039 mlx5e_update_carrier(priv);
3040 mlx5e_set_rx_mode_core(priv);
3044 err_close_flow_table:
3045 mlx5e_close_flow_table(priv);
3048 mlx5e_close_tirs(priv);
3051 mlx5e_close_rqt(priv);
3054 mlx5e_close_channels(priv);
3056 err_dalloc_q_counter:
3057 mlx5_vport_dealloc_q_counter(priv->mdev,
3058 MLX5_INTERFACE_PROTOCOL_ETH, priv->counter_set_id);
3061 mlx5e_close_tises(priv);
3067 mlx5e_open(void *arg)
3069 struct mlx5e_priv *priv = arg;
3072 if (mlx5_set_port_status(priv->mdev, MLX5_PORT_UP))
3073 if_printf(priv->ifp,
3074 "%s: Setting port status to up failed\n",
3077 mlx5e_open_locked(priv->ifp);
3078 priv->ifp->if_drv_flags |= IFF_DRV_RUNNING;
3083 mlx5e_close_locked(struct ifnet *ifp)
3085 struct mlx5e_priv *priv = ifp->if_softc;
3087 /* check if already closed */
3088 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
3091 clear_bit(MLX5E_STATE_OPENED, &priv->state);
3093 mlx5e_set_rx_mode_core(priv);
3094 mlx5e_del_all_vlan_rules(priv);
3095 if_link_state_change(priv->ifp, LINK_STATE_DOWN);
3096 mlx5e_close_flow_table(priv);
3097 mlx5e_close_tirs(priv);
3098 mlx5e_close_rqt(priv);
3099 mlx5e_close_channels(priv);
3100 mlx5_vport_dealloc_q_counter(priv->mdev,
3101 MLX5_INTERFACE_PROTOCOL_ETH, priv->counter_set_id);
3102 mlx5e_close_tises(priv);
3107 #if (__FreeBSD_version >= 1100000)
3109 mlx5e_get_counter(struct ifnet *ifp, ift_counter cnt)
3111 struct mlx5e_priv *priv = ifp->if_softc;
3114 /* PRIV_LOCK(priv); XXX not allowed */
3116 case IFCOUNTER_IPACKETS:
3117 retval = priv->stats.vport.rx_packets;
3119 case IFCOUNTER_IERRORS:
3120 retval = priv->stats.pport.in_range_len_errors +
3121 priv->stats.pport.out_of_range_len +
3122 priv->stats.pport.too_long_errors +
3123 priv->stats.pport.check_seq_err +
3124 priv->stats.pport.alignment_err;
3126 case IFCOUNTER_IQDROPS:
3127 retval = priv->stats.vport.rx_out_of_buffer;
3129 case IFCOUNTER_OPACKETS:
3130 retval = priv->stats.vport.tx_packets;
3132 case IFCOUNTER_OERRORS:
3133 retval = priv->stats.port_stats_debug.out_discards;
3135 case IFCOUNTER_IBYTES:
3136 retval = priv->stats.vport.rx_bytes;
3138 case IFCOUNTER_OBYTES:
3139 retval = priv->stats.vport.tx_bytes;
3141 case IFCOUNTER_IMCASTS:
3142 retval = priv->stats.vport.rx_multicast_packets;
3144 case IFCOUNTER_OMCASTS:
3145 retval = priv->stats.vport.tx_multicast_packets;
3147 case IFCOUNTER_OQDROPS:
3148 retval = priv->stats.vport.tx_queue_dropped;
3150 case IFCOUNTER_COLLISIONS:
3151 retval = priv->stats.pport.collisions;
3154 retval = if_get_counter_default(ifp, cnt);
3157 /* PRIV_UNLOCK(priv); XXX not allowed */
3163 mlx5e_set_rx_mode(struct ifnet *ifp)
3165 struct mlx5e_priv *priv = ifp->if_softc;
3167 queue_work(priv->wq, &priv->set_rx_mode_work);
3171 mlx5e_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
3173 struct mlx5e_priv *priv;
3175 struct ifi2creq i2c;
3184 priv = ifp->if_softc;
3186 /* check if detaching */
3187 if (priv == NULL || priv->gone != 0)
3192 ifr = (struct ifreq *)data;
3195 mlx5_query_port_max_mtu(priv->mdev, &max_mtu);
3197 if (ifr->ifr_mtu >= MLX5E_MTU_MIN &&
3198 ifr->ifr_mtu <= MIN(MLX5E_MTU_MAX, max_mtu)) {
3201 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
3203 mlx5e_close_locked(ifp);
3206 mlx5e_set_dev_port_mtu(ifp, ifr->ifr_mtu);
3209 mlx5e_open_locked(ifp);
3212 if_printf(ifp, "Invalid MTU value. Min val: %d, Max val: %d\n",
3213 MLX5E_MTU_MIN, MIN(MLX5E_MTU_MAX, max_mtu));
3218 if ((ifp->if_flags & IFF_UP) &&
3219 (ifp->if_drv_flags & IFF_DRV_RUNNING)) {
3220 mlx5e_set_rx_mode(ifp);
3224 if (ifp->if_flags & IFF_UP) {
3225 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
3226 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
3227 mlx5e_open_locked(ifp);
3228 ifp->if_drv_flags |= IFF_DRV_RUNNING;
3229 mlx5_set_port_status(priv->mdev, MLX5_PORT_UP);
3232 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3233 mlx5_set_port_status(priv->mdev,
3235 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0)
3236 mlx5e_close_locked(ifp);
3237 mlx5e_update_carrier(priv);
3238 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
3245 mlx5e_set_rx_mode(ifp);
3250 ifr = (struct ifreq *)data;
3251 error = ifmedia_ioctl(ifp, ifr, &priv->media, command);
3254 ifr = (struct ifreq *)data;
3256 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
3258 if (mask & IFCAP_TXCSUM) {
3259 ifp->if_capenable ^= IFCAP_TXCSUM;
3260 ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
3262 if (IFCAP_TSO4 & ifp->if_capenable &&
3263 !(IFCAP_TXCSUM & ifp->if_capenable)) {
3264 ifp->if_capenable &= ~IFCAP_TSO4;
3265 ifp->if_hwassist &= ~CSUM_IP_TSO;
3267 "tso4 disabled due to -txcsum.\n");
3270 if (mask & IFCAP_TXCSUM_IPV6) {
3271 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6;
3272 ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
3274 if (IFCAP_TSO6 & ifp->if_capenable &&
3275 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
3276 ifp->if_capenable &= ~IFCAP_TSO6;
3277 ifp->if_hwassist &= ~CSUM_IP6_TSO;
3279 "tso6 disabled due to -txcsum6.\n");
3282 if (mask & IFCAP_RXCSUM)
3283 ifp->if_capenable ^= IFCAP_RXCSUM;
3284 if (mask & IFCAP_RXCSUM_IPV6)
3285 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6;
3286 if (mask & IFCAP_TSO4) {
3287 if (!(IFCAP_TSO4 & ifp->if_capenable) &&
3288 !(IFCAP_TXCSUM & ifp->if_capenable)) {
3289 if_printf(ifp, "enable txcsum first.\n");
3293 ifp->if_capenable ^= IFCAP_TSO4;
3294 ifp->if_hwassist ^= CSUM_IP_TSO;
3296 if (mask & IFCAP_TSO6) {
3297 if (!(IFCAP_TSO6 & ifp->if_capenable) &&
3298 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
3299 if_printf(ifp, "enable txcsum6 first.\n");
3303 ifp->if_capenable ^= IFCAP_TSO6;
3304 ifp->if_hwassist ^= CSUM_IP6_TSO;
3306 if (mask & IFCAP_VLAN_HWFILTER) {
3307 if (ifp->if_capenable & IFCAP_VLAN_HWFILTER)
3308 mlx5e_disable_vlan_filter(priv);
3310 mlx5e_enable_vlan_filter(priv);
3312 ifp->if_capenable ^= IFCAP_VLAN_HWFILTER;
3314 if (mask & IFCAP_VLAN_HWTAGGING)
3315 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
3316 if (mask & IFCAP_WOL_MAGIC)
3317 ifp->if_capenable ^= IFCAP_WOL_MAGIC;
3319 VLAN_CAPABILITIES(ifp);
3320 /* turn off LRO means also turn of HW LRO - if it's on */
3321 if (mask & IFCAP_LRO) {
3322 int was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
3323 bool need_restart = false;
3325 ifp->if_capenable ^= IFCAP_LRO;
3327 /* figure out if updating HW LRO is needed */
3328 if (!(ifp->if_capenable & IFCAP_LRO)) {
3329 if (priv->params.hw_lro_en) {
3330 priv->params.hw_lro_en = false;
3331 need_restart = true;
3334 if (priv->params.hw_lro_en == false &&
3335 priv->params_ethtool.hw_lro != 0) {
3336 priv->params.hw_lro_en = true;
3337 need_restart = true;
3340 if (was_opened && need_restart) {
3341 mlx5e_close_locked(ifp);
3342 mlx5e_open_locked(ifp);
3345 if (mask & IFCAP_HWRXTSTMP) {
3346 ifp->if_capenable ^= IFCAP_HWRXTSTMP;
3347 if (ifp->if_capenable & IFCAP_HWRXTSTMP) {
3348 if (priv->clbr_done == 0)
3349 mlx5e_reset_calibration_callout(priv);
3351 callout_drain(&priv->tstmp_clbr);
3352 priv->clbr_done = 0;
3360 ifr = (struct ifreq *)data;
3363 * Copy from the user-space address ifr_data to the
3364 * kernel-space address i2c
3366 error = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c));
3370 if (i2c.len > sizeof(i2c.data)) {
3376 /* Get module_num which is required for the query_eeprom */
3377 error = mlx5_query_module_num(priv->mdev, &module_num);
3379 if_printf(ifp, "Query module num failed, eeprom "
3380 "reading is not supported\n");
3384 /* Check if module is present before doing an access */
3385 module_status = mlx5_query_module_status(priv->mdev, module_num);
3386 if (module_status != MLX5_MODULE_STATUS_PLUGGED_ENABLED &&
3387 module_status != MLX5_MODULE_STATUS_PLUGGED_DISABLED) {
3392 * Currently 0XA0 and 0xA2 are the only addresses permitted.
3393 * The internal conversion is as follows:
3395 if (i2c.dev_addr == 0xA0)
3396 read_addr = MLX5E_I2C_ADDR_LOW;
3397 else if (i2c.dev_addr == 0xA2)
3398 read_addr = MLX5E_I2C_ADDR_HIGH;
3400 if_printf(ifp, "Query eeprom failed, "
3401 "Invalid Address: %X\n", i2c.dev_addr);
3405 error = mlx5_query_eeprom(priv->mdev,
3406 read_addr, MLX5E_EEPROM_LOW_PAGE,
3407 (uint32_t)i2c.offset, (uint32_t)i2c.len, module_num,
3408 (uint32_t *)i2c.data, &size_read);
3410 if_printf(ifp, "Query eeprom failed, eeprom "
3411 "reading is not supported\n");
3416 if (i2c.len > MLX5_EEPROM_MAX_BYTES) {
3417 error = mlx5_query_eeprom(priv->mdev,
3418 read_addr, MLX5E_EEPROM_LOW_PAGE,
3419 (uint32_t)(i2c.offset + size_read),
3420 (uint32_t)(i2c.len - size_read), module_num,
3421 (uint32_t *)(i2c.data + size_read), &size_read);
3424 if_printf(ifp, "Query eeprom failed, eeprom "
3425 "reading is not supported\n");
3430 error = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c));
3436 error = ether_ioctl(ifp, command, data);
3443 mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev)
3446 * TODO: uncoment once FW really sets all these bits if
3447 * (!mdev->caps.eth.rss_ind_tbl_cap || !mdev->caps.eth.csum_cap ||
3448 * !mdev->caps.eth.max_lso_cap || !mdev->caps.eth.vlan_cap ||
3449 * !(mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_SCQE_BRK_MOD)) return
3453 /* TODO: add more must-to-have features */
3455 if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
3462 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev)
3464 uint32_t bf_buf_size = (1U << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2U;
3466 bf_buf_size -= sizeof(struct mlx5e_tx_wqe) - 2;
3468 /* verify against driver hardware limit */
3469 if (bf_buf_size > MLX5E_MAX_TX_INLINE)
3470 bf_buf_size = MLX5E_MAX_TX_INLINE;
3472 return (bf_buf_size);
3476 mlx5e_build_ifp_priv(struct mlx5_core_dev *mdev,
3477 struct mlx5e_priv *priv,
3478 int num_comp_vectors)
3483 * TODO: Consider link speed for setting "log_sq_size",
3484 * "log_rq_size" and "cq_moderation_xxx":
3486 priv->params.log_sq_size =
3487 MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
3488 priv->params.log_rq_size =
3489 MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE;
3490 priv->params.rx_cq_moderation_usec =
3491 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
3492 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE :
3493 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC;
3494 priv->params.rx_cq_moderation_mode =
3495 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? 1 : 0;
3496 priv->params.rx_cq_moderation_pkts =
3497 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS;
3498 priv->params.tx_cq_moderation_usec =
3499 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC;
3500 priv->params.tx_cq_moderation_pkts =
3501 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS;
3502 priv->params.min_rx_wqes =
3503 MLX5E_PARAMS_DEFAULT_MIN_RX_WQES;
3504 priv->params.rx_hash_log_tbl_sz =
3505 (order_base_2(num_comp_vectors) >
3506 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ) ?
3507 order_base_2(num_comp_vectors) :
3508 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ;
3509 priv->params.num_tc = 1;
3510 priv->params.default_vlan_prio = 0;
3511 priv->counter_set_id = -1;
3512 priv->params.tx_max_inline = mlx5e_get_max_inline_cap(mdev);
3514 err = mlx5_query_min_inline(mdev, &priv->params.tx_min_inline_mode);
3519 * hw lro is currently defaulted to off. when it won't anymore we
3520 * will consider the HW capability: "!!MLX5_CAP_ETH(mdev, lro_cap)"
3522 priv->params.hw_lro_en = false;
3523 priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
3526 * CQE zipping is currently defaulted to off. when it won't
3527 * anymore we will consider the HW capability:
3528 * "!!MLX5_CAP_GEN(mdev, cqe_compression)"
3530 priv->params.cqe_zipping_en = false;
3533 priv->params.num_channels = num_comp_vectors;
3534 priv->params.channels_rsss = 1;
3535 priv->order_base_2_num_channels = order_base_2(num_comp_vectors);
3536 priv->queue_mapping_channel_mask =
3537 roundup_pow_of_two(num_comp_vectors) - 1;
3538 priv->num_tc = priv->params.num_tc;
3539 priv->default_vlan_prio = priv->params.default_vlan_prio;
3541 INIT_WORK(&priv->update_stats_work, mlx5e_update_stats_work);
3542 INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work);
3543 INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work);
3549 mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn,
3550 struct mlx5_core_mr *mkey)
3552 struct ifnet *ifp = priv->ifp;
3553 struct mlx5_core_dev *mdev = priv->mdev;
3554 int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
3559 in = mlx5_vzalloc(inlen);
3561 if_printf(ifp, "%s: failed to allocate inbox\n", __func__);
3565 mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
3566 MLX5_SET(mkc, mkc, access_mode, MLX5_ACCESS_MODE_PA);
3567 MLX5_SET(mkc, mkc, lw, 1);
3568 MLX5_SET(mkc, mkc, lr, 1);
3570 MLX5_SET(mkc, mkc, pd, pdn);
3571 MLX5_SET(mkc, mkc, length64, 1);
3572 MLX5_SET(mkc, mkc, qpn, 0xffffff);
3574 err = mlx5_core_create_mkey(mdev, mkey, in, inlen);
3576 if_printf(ifp, "%s: mlx5_core_create_mkey failed, %d\n",
3583 static const char *mlx5e_vport_stats_desc[] = {
3584 MLX5E_VPORT_STATS(MLX5E_STATS_DESC)
3587 static const char *mlx5e_pport_stats_desc[] = {
3588 MLX5E_PPORT_STATS(MLX5E_STATS_DESC)
3592 mlx5e_priv_mtx_init(struct mlx5e_priv *priv)
3594 mtx_init(&priv->async_events_mtx, "mlx5async", MTX_NETWORK_LOCK, MTX_DEF);
3595 sx_init(&priv->state_lock, "mlx5state");
3596 callout_init_mtx(&priv->watchdog, &priv->async_events_mtx, 0);
3597 MLX5_INIT_DOORBELL_LOCK(&priv->doorbell_lock);
3601 mlx5e_priv_mtx_destroy(struct mlx5e_priv *priv)
3603 mtx_destroy(&priv->async_events_mtx);
3604 sx_destroy(&priv->state_lock);
3608 sysctl_firmware(SYSCTL_HANDLER_ARGS)
3611 * %d.%d%.d the string format.
3612 * fw_rev_{maj,min,sub} return u16, 2^16 = 65536.
3613 * We need at most 5 chars to store that.
3614 * It also has: two "." and NULL at the end, which means we need 18
3615 * (5*3 + 3) chars at most.
3618 struct mlx5e_priv *priv = arg1;
3621 snprintf(fw, sizeof(fw), "%d.%d.%d", fw_rev_maj(priv->mdev), fw_rev_min(priv->mdev),
3622 fw_rev_sub(priv->mdev));
3623 error = sysctl_handle_string(oidp, fw, sizeof(fw), req);
3628 mlx5e_disable_tx_dma(struct mlx5e_channel *ch)
3632 for (i = 0; i < ch->num_tc; i++)
3633 mlx5e_drain_sq(&ch->sq[i]);
3637 mlx5e_reset_sq_doorbell_record(struct mlx5e_sq *sq)
3640 sq->doorbell.d32[0] = cpu_to_be32(MLX5_OPCODE_NOP);
3641 sq->doorbell.d32[1] = cpu_to_be32(sq->sqn << 8);
3642 mlx5e_tx_notify_hw(sq, sq->doorbell.d32, 0);
3643 sq->doorbell.d64 = 0;
3647 mlx5e_resume_sq(struct mlx5e_sq *sq)
3651 /* check if already enabled */
3652 if (READ_ONCE(sq->running) != 0)
3655 err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_ERR,
3656 MLX5_SQC_STATE_RST);
3659 "mlx5e_modify_sq() from ERR to RST failed: %d\n", err);
3665 /* reset doorbell prior to moving from RST to RDY */
3666 mlx5e_reset_sq_doorbell_record(sq);
3668 err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST,
3669 MLX5_SQC_STATE_RDY);
3672 "mlx5e_modify_sq() from RST to RDY failed: %d\n", err);
3675 sq->cev_next_state = MLX5E_CEV_STATE_INITIAL;
3676 WRITE_ONCE(sq->running, 1);
3680 mlx5e_enable_tx_dma(struct mlx5e_channel *ch)
3684 for (i = 0; i < ch->num_tc; i++)
3685 mlx5e_resume_sq(&ch->sq[i]);
3689 mlx5e_disable_rx_dma(struct mlx5e_channel *ch)
3691 struct mlx5e_rq *rq = &ch->rq;
3696 callout_stop(&rq->watchdog);
3697 mtx_unlock(&rq->mtx);
3699 callout_drain(&rq->watchdog);
3701 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR);
3704 "mlx5e_modify_rq() from RDY to RST failed: %d\n", err);
3707 while (!mlx5_wq_ll_is_empty(&rq->wq)) {
3709 rq->cq.mcq.comp(&rq->cq.mcq);
3713 * Transitioning into RST state will allow the FW to track less ERR state queues,
3714 * thus reducing the recv queue flushing time
3716 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_ERR, MLX5_RQC_STATE_RST);
3719 "mlx5e_modify_rq() from ERR to RST failed: %d\n", err);
3724 mlx5e_enable_rx_dma(struct mlx5e_channel *ch)
3726 struct mlx5e_rq *rq = &ch->rq;
3730 mlx5_wq_ll_update_db_record(&rq->wq);
3731 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
3734 "mlx5e_modify_rq() from RST to RDY failed: %d\n", err);
3739 rq->cq.mcq.comp(&rq->cq.mcq);
3743 mlx5e_modify_tx_dma(struct mlx5e_priv *priv, uint8_t value)
3747 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
3750 for (i = 0; i < priv->params.num_channels; i++) {
3752 mlx5e_disable_tx_dma(&priv->channel[i]);
3754 mlx5e_enable_tx_dma(&priv->channel[i]);
3759 mlx5e_modify_rx_dma(struct mlx5e_priv *priv, uint8_t value)
3763 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
3766 for (i = 0; i < priv->params.num_channels; i++) {
3768 mlx5e_disable_rx_dma(&priv->channel[i]);
3770 mlx5e_enable_rx_dma(&priv->channel[i]);
3775 mlx5e_add_hw_stats(struct mlx5e_priv *priv)
3777 SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw),
3778 OID_AUTO, "fw_version", CTLTYPE_STRING | CTLFLAG_RD, priv, 0,
3779 sysctl_firmware, "A", "HCA firmware version");
3781 SYSCTL_ADD_STRING(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw),
3782 OID_AUTO, "board_id", CTLFLAG_RD, priv->mdev->board_id, 0,
3787 mlx5e_sysctl_tx_priority_flow_control(SYSCTL_HANDLER_ARGS)
3789 struct mlx5e_priv *priv = arg1;
3790 uint8_t temp[MLX5E_MAX_PRIORITY];
3797 tx_pfc = priv->params.tx_priority_flow_control;
3799 for (i = 0; i != MLX5E_MAX_PRIORITY; i++)
3800 temp[i] = (tx_pfc >> i) & 1;
3802 err = SYSCTL_OUT(req, temp, MLX5E_MAX_PRIORITY);
3803 if (err || !req->newptr)
3805 err = SYSCTL_IN(req, temp, MLX5E_MAX_PRIORITY);
3809 priv->params.tx_priority_flow_control = 0;
3811 /* range check input value */
3812 for (i = 0; i != MLX5E_MAX_PRIORITY; i++) {
3817 priv->params.tx_priority_flow_control |= (temp[i] << i);
3820 /* check if update is required */
3821 if (tx_pfc != priv->params.tx_priority_flow_control)
3822 err = -mlx5e_set_port_pfc(priv);
3825 priv->params.tx_priority_flow_control= tx_pfc;
3832 mlx5e_sysctl_rx_priority_flow_control(SYSCTL_HANDLER_ARGS)
3834 struct mlx5e_priv *priv = arg1;
3835 uint8_t temp[MLX5E_MAX_PRIORITY];
3842 rx_pfc = priv->params.rx_priority_flow_control;
3844 for (i = 0; i != MLX5E_MAX_PRIORITY; i++)
3845 temp[i] = (rx_pfc >> i) & 1;
3847 err = SYSCTL_OUT(req, temp, MLX5E_MAX_PRIORITY);
3848 if (err || !req->newptr)
3850 err = SYSCTL_IN(req, temp, MLX5E_MAX_PRIORITY);
3854 priv->params.rx_priority_flow_control = 0;
3856 /* range check input value */
3857 for (i = 0; i != MLX5E_MAX_PRIORITY; i++) {
3862 priv->params.rx_priority_flow_control |= (temp[i] << i);
3865 /* check if update is required */
3866 if (rx_pfc != priv->params.rx_priority_flow_control)
3867 err = -mlx5e_set_port_pfc(priv);
3870 priv->params.rx_priority_flow_control= rx_pfc;
3877 mlx5e_setup_pauseframes(struct mlx5e_priv *priv)
3879 #if (__FreeBSD_version < 1100000)
3884 /* enable pauseframes by default */
3885 priv->params.tx_pauseframe_control = 1;
3886 priv->params.rx_pauseframe_control = 1;
3888 /* disable ports flow control, PFC, by default */
3889 priv->params.tx_priority_flow_control = 0;
3890 priv->params.rx_priority_flow_control = 0;
3892 #if (__FreeBSD_version < 1100000)
3893 /* compute path for sysctl */
3894 snprintf(path, sizeof(path), "dev.mce.%d.tx_pauseframe_control",
3895 device_get_unit(priv->mdev->pdev->dev.bsddev));
3897 /* try to fetch tunable, if any */
3898 TUNABLE_INT_FETCH(path, &priv->params.tx_pauseframe_control);
3900 /* compute path for sysctl */
3901 snprintf(path, sizeof(path), "dev.mce.%d.rx_pauseframe_control",
3902 device_get_unit(priv->mdev->pdev->dev.bsddev));
3904 /* try to fetch tunable, if any */
3905 TUNABLE_INT_FETCH(path, &priv->params.rx_pauseframe_control);
3908 /* register pauseframe SYSCTLs */
3909 SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
3910 OID_AUTO, "tx_pauseframe_control", CTLFLAG_RDTUN,
3911 &priv->params.tx_pauseframe_control, 0,
3912 "Set to enable TX pause frames. Clear to disable.");
3914 SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
3915 OID_AUTO, "rx_pauseframe_control", CTLFLAG_RDTUN,
3916 &priv->params.rx_pauseframe_control, 0,
3917 "Set to enable RX pause frames. Clear to disable.");
3919 /* register priority flow control, PFC, SYSCTLs */
3920 SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
3921 OID_AUTO, "tx_priority_flow_control", CTLTYPE_U8 | CTLFLAG_RWTUN |
3922 CTLFLAG_MPSAFE, priv, 0, &mlx5e_sysctl_tx_priority_flow_control, "CU",
3923 "Set to enable TX ports flow control frames for priorities 0..7. Clear to disable.");
3925 SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
3926 OID_AUTO, "rx_priority_flow_control", CTLTYPE_U8 | CTLFLAG_RWTUN |
3927 CTLFLAG_MPSAFE, priv, 0, &mlx5e_sysctl_rx_priority_flow_control, "CU",
3928 "Set to enable RX ports flow control frames for priorities 0..7. Clear to disable.");
3933 priv->params.tx_pauseframe_control =
3934 priv->params.tx_pauseframe_control ? 1 : 0;
3935 priv->params.rx_pauseframe_control =
3936 priv->params.rx_pauseframe_control ? 1 : 0;
3938 /* update firmware */
3939 error = mlx5e_set_port_pause_and_pfc(priv);
3940 if (error == -EINVAL) {
3941 if_printf(priv->ifp,
3942 "Global pauseframes must be disabled before enabling PFC.\n");
3943 priv->params.rx_priority_flow_control = 0;
3944 priv->params.tx_priority_flow_control = 0;
3946 /* update firmware */
3947 (void) mlx5e_set_port_pause_and_pfc(priv);
3953 mlx5e_ul_snd_tag_alloc(struct ifnet *ifp,
3954 union if_snd_tag_alloc_params *params,
3955 struct m_snd_tag **ppmt)
3957 struct mlx5e_priv *priv;
3958 struct mlx5e_channel *pch;
3960 priv = ifp->if_softc;
3962 if (unlikely(priv->gone || params->hdr.flowtype == M_HASHTYPE_NONE)) {
3963 return (EOPNOTSUPP);
3965 /* keep this code synced with mlx5e_select_queue() */
3966 u32 ch = priv->params.num_channels;
3970 if (rss_hash2bucket(params->hdr.flowid,
3971 params->hdr.flowtype, &temp) == 0)
3975 ch = (params->hdr.flowid % 128) % ch;
3978 * NOTE: The channels array is only freed at detach
3979 * and it safe to return a pointer to the send tag
3980 * inside the channels structure as long as we
3981 * reference the priv.
3983 pch = priv->channel + ch;
3985 /* check if send queue is not running */
3986 if (unlikely(pch->sq[0].running == 0))
3988 mlx5e_ref_channel(priv);
3989 *ppmt = &pch->tag.m_snd_tag;
3995 mlx5e_ul_snd_tag_query(struct m_snd_tag *pmt, union if_snd_tag_query_params *params)
3997 struct mlx5e_channel *pch =
3998 container_of(pmt, struct mlx5e_channel, tag.m_snd_tag);
4000 params->unlimited.max_rate = -1ULL;
4001 params->unlimited.queue_level = mlx5e_sq_queue_level(&pch->sq[0]);
4006 mlx5e_ul_snd_tag_free(struct m_snd_tag *pmt)
4008 struct mlx5e_channel *pch =
4009 container_of(pmt, struct mlx5e_channel, tag.m_snd_tag);
4011 mlx5e_unref_channel(pch->priv);
4015 mlx5e_snd_tag_alloc(struct ifnet *ifp,
4016 union if_snd_tag_alloc_params *params,
4017 struct m_snd_tag **ppmt)
4020 switch (params->hdr.type) {
4022 case IF_SND_TAG_TYPE_RATE_LIMIT:
4023 return (mlx5e_rl_snd_tag_alloc(ifp, params, ppmt));
4025 case IF_SND_TAG_TYPE_UNLIMITED:
4026 return (mlx5e_ul_snd_tag_alloc(ifp, params, ppmt));
4028 return (EOPNOTSUPP);
4033 mlx5e_snd_tag_modify(struct m_snd_tag *pmt, union if_snd_tag_modify_params *params)
4035 struct mlx5e_snd_tag *tag =
4036 container_of(pmt, struct mlx5e_snd_tag, m_snd_tag);
4038 switch (tag->type) {
4040 case IF_SND_TAG_TYPE_RATE_LIMIT:
4041 return (mlx5e_rl_snd_tag_modify(pmt, params));
4043 case IF_SND_TAG_TYPE_UNLIMITED:
4045 return (EOPNOTSUPP);
4050 mlx5e_snd_tag_query(struct m_snd_tag *pmt, union if_snd_tag_query_params *params)
4052 struct mlx5e_snd_tag *tag =
4053 container_of(pmt, struct mlx5e_snd_tag, m_snd_tag);
4055 switch (tag->type) {
4057 case IF_SND_TAG_TYPE_RATE_LIMIT:
4058 return (mlx5e_rl_snd_tag_query(pmt, params));
4060 case IF_SND_TAG_TYPE_UNLIMITED:
4061 return (mlx5e_ul_snd_tag_query(pmt, params));
4063 return (EOPNOTSUPP);
4068 mlx5e_snd_tag_free(struct m_snd_tag *pmt)
4070 struct mlx5e_snd_tag *tag =
4071 container_of(pmt, struct mlx5e_snd_tag, m_snd_tag);
4073 switch (tag->type) {
4075 case IF_SND_TAG_TYPE_RATE_LIMIT:
4076 mlx5e_rl_snd_tag_free(pmt);
4079 case IF_SND_TAG_TYPE_UNLIMITED:
4080 mlx5e_ul_snd_tag_free(pmt);
4088 mlx5e_create_ifp(struct mlx5_core_dev *mdev)
4091 struct mlx5e_priv *priv;
4092 u8 dev_addr[ETHER_ADDR_LEN] __aligned(4);
4094 struct sysctl_oid_list *child;
4095 int ncv = mdev->priv.eq_table.num_comp_vectors;
4097 struct pfil_head_args pa;
4101 u32 out[MLX5_ST_SZ_DW(ptys_reg)];
4104 struct media media_entry = {};
4106 if (mlx5e_check_required_hca_cap(mdev)) {
4107 mlx5_core_dbg(mdev, "mlx5e_check_required_hca_cap() failed\n");
4111 * Try to allocate the priv and make room for worst-case
4112 * number of channel structures:
4114 priv = malloc(sizeof(*priv) +
4115 (sizeof(priv->channel[0]) * mdev->priv.eq_table.num_comp_vectors),
4116 M_MLX5EN, M_WAITOK | M_ZERO);
4117 mlx5e_priv_mtx_init(priv);
4119 ifp = priv->ifp = if_alloc_dev(IFT_ETHER, mdev->pdev->dev.bsddev);
4121 mlx5_core_err(mdev, "if_alloc() failed\n");
4124 ifp->if_softc = priv;
4125 if_initname(ifp, "mce", device_get_unit(mdev->pdev->dev.bsddev));
4126 ifp->if_mtu = ETHERMTU;
4127 ifp->if_init = mlx5e_open;
4128 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
4129 ifp->if_ioctl = mlx5e_ioctl;
4130 ifp->if_transmit = mlx5e_xmit;
4131 ifp->if_qflush = if_qflush;
4132 #if (__FreeBSD_version >= 1100000)
4133 ifp->if_get_counter = mlx5e_get_counter;
4135 ifp->if_snd.ifq_maxlen = ifqmaxlen;
4137 * Set driver features
4139 ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
4140 ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
4141 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
4142 ifp->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
4143 ifp->if_capabilities |= IFCAP_LRO;
4144 ifp->if_capabilities |= IFCAP_TSO | IFCAP_VLAN_HWTSO;
4145 ifp->if_capabilities |= IFCAP_HWSTATS | IFCAP_HWRXTSTMP;
4146 ifp->if_capabilities |= IFCAP_TXRTLMT;
4147 ifp->if_snd_tag_alloc = mlx5e_snd_tag_alloc;
4148 ifp->if_snd_tag_free = mlx5e_snd_tag_free;
4149 ifp->if_snd_tag_modify = mlx5e_snd_tag_modify;
4150 ifp->if_snd_tag_query = mlx5e_snd_tag_query;
4152 /* set TSO limits so that we don't have to drop TX packets */
4153 ifp->if_hw_tsomax = MLX5E_MAX_TX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN);
4154 ifp->if_hw_tsomaxsegcount = MLX5E_MAX_TX_MBUF_FRAGS - 1 /* hdr */;
4155 ifp->if_hw_tsomaxsegsize = MLX5E_MAX_TX_MBUF_SIZE;
4157 ifp->if_capenable = ifp->if_capabilities;
4158 ifp->if_hwassist = 0;
4159 if (ifp->if_capenable & IFCAP_TSO)
4160 ifp->if_hwassist |= CSUM_TSO;
4161 if (ifp->if_capenable & IFCAP_TXCSUM)
4162 ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
4163 if (ifp->if_capenable & IFCAP_TXCSUM_IPV6)
4164 ifp->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
4166 /* ifnet sysctl tree */
4167 sysctl_ctx_init(&priv->sysctl_ctx);
4168 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_dev),
4169 OID_AUTO, ifp->if_dname, CTLFLAG_RD, 0, "MLX5 ethernet - interface name");
4170 if (priv->sysctl_ifnet == NULL) {
4171 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n");
4172 goto err_free_sysctl;
4174 snprintf(unit, sizeof(unit), "%d", ifp->if_dunit);
4175 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
4176 OID_AUTO, unit, CTLFLAG_RD, 0, "MLX5 ethernet - interface unit");
4177 if (priv->sysctl_ifnet == NULL) {
4178 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n");
4179 goto err_free_sysctl;
4182 /* HW sysctl tree */
4183 child = SYSCTL_CHILDREN(device_get_sysctl_tree(mdev->pdev->dev.bsddev));
4184 priv->sysctl_hw = SYSCTL_ADD_NODE(&priv->sysctl_ctx, child,
4185 OID_AUTO, "hw", CTLFLAG_RD, 0, "MLX5 ethernet dev hw");
4186 if (priv->sysctl_hw == NULL) {
4187 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n");
4188 goto err_free_sysctl;
4191 err = mlx5e_build_ifp_priv(mdev, priv, ncv);
4193 mlx5_core_err(mdev, "mlx5e_build_ifp_priv() failed (%d)\n", err);
4194 goto err_free_sysctl;
4197 /* reuse mlx5core's watchdog workqueue */
4198 priv->wq = mdev->priv.health.wq_watchdog;
4200 err = mlx5_alloc_map_uar(mdev, &priv->cq_uar);
4202 if_printf(ifp, "%s: mlx5_alloc_map_uar failed, %d\n",
4206 err = mlx5_core_alloc_pd(mdev, &priv->pdn);
4208 if_printf(ifp, "%s: mlx5_core_alloc_pd failed, %d\n",
4210 goto err_unmap_free_uar;
4212 err = mlx5_alloc_transport_domain(mdev, &priv->tdn);
4214 if_printf(ifp, "%s: mlx5_alloc_transport_domain failed, %d\n",
4216 goto err_dealloc_pd;
4218 err = mlx5e_create_mkey(priv, priv->pdn, &priv->mr);
4220 if_printf(ifp, "%s: mlx5e_create_mkey failed, %d\n",
4222 goto err_dealloc_transport_domain;
4224 mlx5_query_nic_vport_mac_address(priv->mdev, 0, dev_addr);
4226 /* check if we should generate a random MAC address */
4227 if (MLX5_CAP_GEN(priv->mdev, vport_group_manager) == 0 &&
4228 is_zero_ether_addr(dev_addr)) {
4229 random_ether_addr(dev_addr);
4230 if_printf(ifp, "Assigned random MAC address\n");
4233 err = mlx5e_rl_init(priv);
4235 if_printf(ifp, "%s: mlx5e_rl_init failed, %d\n",
4237 goto err_create_mkey;
4241 /* set default MTU */
4242 mlx5e_set_dev_port_mtu(ifp, ifp->if_mtu);
4244 /* Set default media status */
4245 priv->media_status_last = IFM_AVALID;
4246 priv->media_active_last = IFM_ETHER | IFM_AUTO |
4247 IFM_ETH_RXPAUSE | IFM_FDX;
4249 /* setup default pauseframes configuration */
4250 mlx5e_setup_pauseframes(priv);
4252 /* Setup supported medias */
4253 //TODO: If we failed to query ptys is it ok to proceed??
4254 if (!mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1)) {
4255 ext = MLX5_CAP_PCAM_FEATURE(mdev,
4256 ptys_extended_ethernet);
4257 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext,
4258 eth_proto_capability);
4259 if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
4260 connector_type = MLX5_GET(ptys_reg, out,
4264 if_printf(ifp, "%s: Query port media capability failed,"
4265 " %d\n", __func__, err);
4268 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK,
4269 mlx5e_media_change, mlx5e_media_status);
4271 speeds_num = ext ? MLX5E_EXT_LINK_SPEEDS_NUMBER : MLX5E_LINK_SPEEDS_NUMBER;
4272 for (i = 0; i != speeds_num; i++) {
4273 for (j = 0; j < MLX5E_LINK_MODES_NUMBER ; ++j) {
4274 media_entry = ext ? mlx5e_ext_mode_table[i][j] :
4275 mlx5e_mode_table[i][j];
4276 if (media_entry.baudrate == 0)
4278 if (MLX5E_PROT_MASK(i) & eth_proto_cap) {
4279 ifmedia_add(&priv->media,
4280 media_entry.subtype |
4281 IFM_ETHER, 0, NULL);
4282 ifmedia_add(&priv->media,
4283 media_entry.subtype |
4284 IFM_ETHER | IFM_FDX |
4285 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL);
4290 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL);
4291 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX |
4292 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL);
4294 /* Set autoselect by default */
4295 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX |
4296 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE);
4297 ether_ifattach(ifp, dev_addr);
4299 /* Register for VLAN events */
4300 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
4301 mlx5e_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST);
4302 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
4303 mlx5e_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST);
4305 /* Link is down by default */
4306 if_link_state_change(ifp, LINK_STATE_DOWN);
4308 mlx5e_enable_async_events(priv);
4310 mlx5e_add_hw_stats(priv);
4312 mlx5e_create_stats(&priv->stats.vport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
4313 "vstats", mlx5e_vport_stats_desc, MLX5E_VPORT_STATS_NUM,
4314 priv->stats.vport.arg);
4316 mlx5e_create_stats(&priv->stats.pport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
4317 "pstats", mlx5e_pport_stats_desc, MLX5E_PPORT_STATS_NUM,
4318 priv->stats.pport.arg);
4320 mlx5e_create_ethtool(priv);
4322 mtx_lock(&priv->async_events_mtx);
4323 mlx5e_update_stats(priv);
4324 mtx_unlock(&priv->async_events_mtx);
4326 SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet),
4327 OID_AUTO, "rx_clbr_done", CTLFLAG_RD,
4328 &priv->clbr_done, 0,
4329 "RX timestamps calibration state");
4330 callout_init(&priv->tstmp_clbr, CALLOUT_DIRECT);
4331 mlx5e_reset_calibration_callout(priv);
4333 pa.pa_version = PFIL_VERSION;
4334 pa.pa_flags = PFIL_IN;
4335 pa.pa_type = PFIL_TYPE_ETHERNET;
4336 pa.pa_headname = ifp->if_xname;
4337 priv->pfil = pfil_head_register(&pa);
4343 mlx5_core_destroy_mkey(priv->mdev, &priv->mr);
4345 err_dealloc_transport_domain:
4346 mlx5_dealloc_transport_domain(mdev, priv->tdn);
4349 mlx5_core_dealloc_pd(mdev, priv->pdn);
4352 mlx5_unmap_free_uar(mdev, &priv->cq_uar);
4355 flush_workqueue(priv->wq);
4358 sysctl_ctx_free(&priv->sysctl_ctx);
4359 if (priv->sysctl_debug)
4360 sysctl_ctx_free(&priv->stats.port_stats_debug.ctx);
4364 mlx5e_priv_mtx_destroy(priv);
4365 free(priv, M_MLX5EN);
4370 mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vpriv)
4372 struct mlx5e_priv *priv = vpriv;
4373 struct ifnet *ifp = priv->ifp;
4375 /* don't allow more IOCTLs */
4378 /* XXX wait a bit to allow IOCTL handlers to complete */
4383 * The kernel can have reference(s) via the m_snd_tag's into
4384 * the ratelimit channels, and these must go away before
4387 while (READ_ONCE(priv->rl.stats.tx_active_connections) != 0) {
4388 if_printf(priv->ifp, "Waiting for all ratelimit connections "
4393 /* stop watchdog timer */
4394 callout_drain(&priv->watchdog);
4396 callout_drain(&priv->tstmp_clbr);
4398 if (priv->vlan_attach != NULL)
4399 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach);
4400 if (priv->vlan_detach != NULL)
4401 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach);
4403 /* make sure device gets closed */
4405 mlx5e_close_locked(ifp);
4408 /* wait for all unlimited send tags to go away */
4409 while (priv->channel_refs != 0) {
4410 if_printf(priv->ifp, "Waiting for all unlimited connections "
4415 /* deregister pfil */
4416 if (priv->pfil != NULL) {
4417 pfil_head_unregister(priv->pfil);
4421 /* unregister device */
4422 ifmedia_removeall(&priv->media);
4423 ether_ifdetach(ifp);
4427 mlx5e_rl_cleanup(priv);
4429 /* destroy all remaining sysctl nodes */
4430 sysctl_ctx_free(&priv->stats.vport.ctx);
4431 sysctl_ctx_free(&priv->stats.pport.ctx);
4432 if (priv->sysctl_debug)
4433 sysctl_ctx_free(&priv->stats.port_stats_debug.ctx);
4434 sysctl_ctx_free(&priv->sysctl_ctx);
4436 mlx5_core_destroy_mkey(priv->mdev, &priv->mr);
4437 mlx5_dealloc_transport_domain(priv->mdev, priv->tdn);
4438 mlx5_core_dealloc_pd(priv->mdev, priv->pdn);
4439 mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar);
4440 mlx5e_disable_async_events(priv);
4441 flush_workqueue(priv->wq);
4442 mlx5e_priv_mtx_destroy(priv);
4443 free(priv, M_MLX5EN);
4447 mlx5e_get_ifp(void *vpriv)
4449 struct mlx5e_priv *priv = vpriv;
4454 static struct mlx5_interface mlx5e_interface = {
4455 .add = mlx5e_create_ifp,
4456 .remove = mlx5e_destroy_ifp,
4457 .event = mlx5e_async_event,
4458 .protocol = MLX5_INTERFACE_PROTOCOL_ETH,
4459 .get_dev = mlx5e_get_ifp,
4465 mlx5_register_interface(&mlx5e_interface);
4471 mlx5_unregister_interface(&mlx5e_interface);
4475 mlx5e_show_version(void __unused *arg)
4478 printf("%s", mlx5e_version);
4480 SYSINIT(mlx5e_show_version, SI_SUB_DRIVERS, SI_ORDER_ANY, mlx5e_show_version, NULL);
4482 module_init_order(mlx5e_init, SI_ORDER_THIRD);
4483 module_exit_order(mlx5e_cleanup, SI_ORDER_THIRD);
4485 #if (__FreeBSD_version >= 1100000)
4486 MODULE_DEPEND(mlx5en, linuxkpi, 1, 1, 1);
4488 MODULE_DEPEND(mlx5en, mlx5, 1, 1, 1);
4489 MODULE_VERSION(mlx5en, 1);