2 * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <rdma/ib_verbs.h>
34 #include <linux/mlx5/fs.h>
38 #define IB_DEFAULT_Q_KEY 0xb1b
39 #define MLX5I_PARAMS_DEFAULT_LOG_RQ_SIZE 9
41 static int mlx5i_open(struct net_device *netdev);
42 static int mlx5i_close(struct net_device *netdev);
43 static int mlx5i_change_mtu(struct net_device *netdev, int new_mtu);
45 static const struct net_device_ops mlx5i_netdev_ops = {
46 .ndo_open = mlx5i_open,
47 .ndo_stop = mlx5i_close,
48 .ndo_get_stats64 = mlx5i_get_stats,
49 .ndo_init = mlx5i_dev_init,
50 .ndo_uninit = mlx5i_dev_cleanup,
51 .ndo_change_mtu = mlx5i_change_mtu,
52 .ndo_do_ioctl = mlx5i_ioctl,
55 /* IPoIB mlx5 netdev profile */
56 static void mlx5i_build_nic_params(struct mlx5_core_dev *mdev,
57 struct mlx5e_params *params)
59 /* Override RQ params as IPoIB supports only LINKED LIST RQ for now */
60 MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_STRIDING_RQ, false);
61 mlx5e_set_rq_type(mdev, params);
62 mlx5e_init_rq_type_params(mdev, params);
64 /* RQ size in ipoib by default is 512 */
65 params->log_rq_mtu_frames = is_kdump_kernel() ?
66 MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE :
67 MLX5I_PARAMS_DEFAULT_LOG_RQ_SIZE;
69 params->lro_en = false;
70 params->hard_mtu = MLX5_IB_GRH_BYTES + MLX5_IPOIB_HARD_LEN;
73 /* Called directly after IPoIB netdevice was created to initialize SW structs */
74 int mlx5i_init(struct mlx5_core_dev *mdev,
75 struct net_device *netdev,
76 const struct mlx5e_profile *profile,
79 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
82 err = mlx5e_netdev_init(netdev, priv, mdev, profile, ppriv);
86 mlx5e_set_netdev_mtu_boundaries(priv);
87 netdev->mtu = netdev->max_mtu;
89 mlx5e_build_nic_params(mdev, &priv->rss_params, &priv->channels.params,
90 mlx5e_get_netdev_max_channels(netdev),
92 mlx5i_build_nic_params(mdev, &priv->channels.params);
94 mlx5e_timestamp_init(priv);
97 netdev->hw_features |= NETIF_F_SG;
98 netdev->hw_features |= NETIF_F_IP_CSUM;
99 netdev->hw_features |= NETIF_F_IPV6_CSUM;
100 netdev->hw_features |= NETIF_F_GRO;
101 netdev->hw_features |= NETIF_F_TSO;
102 netdev->hw_features |= NETIF_F_TSO6;
103 netdev->hw_features |= NETIF_F_RXCSUM;
104 netdev->hw_features |= NETIF_F_RXHASH;
106 netdev->netdev_ops = &mlx5i_netdev_ops;
107 netdev->ethtool_ops = &mlx5i_ethtool_ops;
112 /* Called directly before IPoIB netdevice is destroyed to cleanup SW structs */
113 void mlx5i_cleanup(struct mlx5e_priv *priv)
115 mlx5e_netdev_cleanup(priv->netdev, priv);
118 static void mlx5i_grp_sw_update_stats(struct mlx5e_priv *priv)
120 int max_nch = mlx5e_get_netdev_max_channels(priv->netdev);
121 struct mlx5e_sw_stats s = { 0 };
124 for (i = 0; i < max_nch; i++) {
125 struct mlx5e_channel_stats *channel_stats;
126 struct mlx5e_rq_stats *rq_stats;
128 channel_stats = &priv->channel_stats[i];
129 rq_stats = &channel_stats->rq;
131 s.rx_packets += rq_stats->packets;
132 s.rx_bytes += rq_stats->bytes;
134 for (j = 0; j < priv->max_opened_tc; j++) {
135 struct mlx5e_sq_stats *sq_stats = &channel_stats->sq[j];
137 s.tx_packets += sq_stats->packets;
138 s.tx_bytes += sq_stats->bytes;
139 s.tx_queue_dropped += sq_stats->dropped;
143 memcpy(&priv->stats.sw, &s, sizeof(s));
146 void mlx5i_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
148 struct mlx5e_priv *priv = mlx5i_epriv(dev);
149 struct mlx5e_sw_stats *sstats = &priv->stats.sw;
151 mlx5i_grp_sw_update_stats(priv);
153 stats->rx_packets = sstats->rx_packets;
154 stats->rx_bytes = sstats->rx_bytes;
155 stats->tx_packets = sstats->tx_packets;
156 stats->tx_bytes = sstats->tx_bytes;
157 stats->tx_dropped = sstats->tx_queue_dropped;
160 int mlx5i_init_underlay_qp(struct mlx5e_priv *priv)
162 struct mlx5_core_dev *mdev = priv->mdev;
163 struct mlx5i_priv *ipriv = priv->ppriv;
164 struct mlx5_core_qp *qp = &ipriv->qp;
165 struct mlx5_qp_context *context;
169 context = kzalloc(sizeof(*context), GFP_KERNEL);
173 context->flags = cpu_to_be32(MLX5_QP_PM_MIGRATED << 11);
174 context->pri_path.port = 1;
175 context->pri_path.pkey_index = cpu_to_be16(ipriv->pkey_index);
176 context->qkey = cpu_to_be32(IB_DEFAULT_Q_KEY);
178 ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, context, qp);
180 mlx5_core_err(mdev, "Failed to modify qp RST2INIT, err: %d\n", ret);
181 goto err_qp_modify_to_err;
183 memset(context, 0, sizeof(*context));
185 ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_INIT2RTR_QP, 0, context, qp);
187 mlx5_core_err(mdev, "Failed to modify qp INIT2RTR, err: %d\n", ret);
188 goto err_qp_modify_to_err;
191 ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, 0, context, qp);
193 mlx5_core_err(mdev, "Failed to modify qp RTR2RTS, err: %d\n", ret);
194 goto err_qp_modify_to_err;
200 err_qp_modify_to_err:
201 mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2ERR_QP, 0, &context, qp);
206 void mlx5i_uninit_underlay_qp(struct mlx5e_priv *priv)
208 struct mlx5i_priv *ipriv = priv->ppriv;
209 struct mlx5_core_dev *mdev = priv->mdev;
210 struct mlx5_qp_context context;
213 err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2RST_QP, 0, &context,
216 mlx5_core_err(mdev, "Failed to modify qp 2RST, err: %d\n", err);
219 #define MLX5_QP_ENHANCED_ULP_STATELESS_MODE 2
221 int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp)
229 inlen = MLX5_ST_SZ_BYTES(create_qp_in);
230 in = kvzalloc(inlen, GFP_KERNEL);
234 qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
235 MLX5_SET(qpc, qpc, st, MLX5_QP_ST_UD);
236 MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
237 MLX5_SET(qpc, qpc, ulp_stateless_offload_mode,
238 MLX5_QP_ENHANCED_ULP_STATELESS_MODE);
240 addr_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path);
241 MLX5_SET(ads, addr_path, vhca_port_num, 1);
242 MLX5_SET(ads, addr_path, grh, 1);
244 ret = mlx5_core_create_qp(mdev, qp, in, inlen);
246 mlx5_core_err(mdev, "Failed creating IPoIB QP err : %d\n", ret);
255 void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp)
257 mlx5_core_destroy_qp(mdev, qp);
260 static int mlx5i_init_tx(struct mlx5e_priv *priv)
262 struct mlx5i_priv *ipriv = priv->ppriv;
265 err = mlx5i_create_underlay_qp(priv->mdev, &ipriv->qp);
267 mlx5_core_warn(priv->mdev, "create underlay QP failed, %d\n", err);
271 err = mlx5e_create_tis(priv->mdev, 0 /* tc */, ipriv->qp.qpn, &priv->tisn[0]);
273 mlx5_core_warn(priv->mdev, "create tis failed, %d\n", err);
274 goto err_destroy_underlay_qp;
279 err_destroy_underlay_qp:
280 mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp);
284 static void mlx5i_cleanup_tx(struct mlx5e_priv *priv)
286 struct mlx5i_priv *ipriv = priv->ppriv;
288 mlx5e_destroy_tis(priv->mdev, priv->tisn[0]);
289 mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp);
292 static int mlx5i_create_flow_steering(struct mlx5e_priv *priv)
294 struct ttc_params ttc_params = {};
297 priv->fs.ns = mlx5_get_flow_namespace(priv->mdev,
298 MLX5_FLOW_NAMESPACE_KERNEL);
303 err = mlx5e_arfs_create_tables(priv);
305 netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
307 priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
310 mlx5e_set_ttc_basic_params(priv, &ttc_params);
311 mlx5e_set_inner_ttc_ft_params(&ttc_params);
312 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
313 ttc_params.indir_tirn[tt] = priv->inner_indir_tir[tt].tirn;
315 err = mlx5e_create_inner_ttc_table(priv, &ttc_params, &priv->fs.inner_ttc);
317 netdev_err(priv->netdev, "Failed to create inner ttc table, err=%d\n",
319 goto err_destroy_arfs_tables;
322 mlx5e_set_ttc_ft_params(&ttc_params);
323 for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
324 ttc_params.indir_tirn[tt] = priv->indir_tir[tt].tirn;
326 err = mlx5e_create_ttc_table(priv, &ttc_params, &priv->fs.ttc);
328 netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n",
330 goto err_destroy_inner_ttc_table;
335 err_destroy_inner_ttc_table:
336 mlx5e_destroy_inner_ttc_table(priv, &priv->fs.inner_ttc);
337 err_destroy_arfs_tables:
338 mlx5e_arfs_destroy_tables(priv);
343 static void mlx5i_destroy_flow_steering(struct mlx5e_priv *priv)
345 mlx5e_destroy_ttc_table(priv, &priv->fs.ttc);
346 mlx5e_destroy_inner_ttc_table(priv, &priv->fs.inner_ttc);
347 mlx5e_arfs_destroy_tables(priv);
350 static int mlx5i_init_rx(struct mlx5e_priv *priv)
352 struct mlx5_core_dev *mdev = priv->mdev;
355 mlx5e_create_q_counters(priv);
357 err = mlx5e_open_drop_rq(priv, &priv->drop_rq);
359 mlx5_core_err(mdev, "open drop rq failed, %d\n", err);
360 goto err_destroy_q_counters;
363 err = mlx5e_create_indirect_rqt(priv);
365 goto err_close_drop_rq;
367 err = mlx5e_create_direct_rqts(priv);
369 goto err_destroy_indirect_rqts;
371 err = mlx5e_create_indirect_tirs(priv, true);
373 goto err_destroy_direct_rqts;
375 err = mlx5e_create_direct_tirs(priv);
377 goto err_destroy_indirect_tirs;
379 err = mlx5i_create_flow_steering(priv);
381 goto err_destroy_direct_tirs;
385 err_destroy_direct_tirs:
386 mlx5e_destroy_direct_tirs(priv);
387 err_destroy_indirect_tirs:
388 mlx5e_destroy_indirect_tirs(priv, true);
389 err_destroy_direct_rqts:
390 mlx5e_destroy_direct_rqts(priv);
391 err_destroy_indirect_rqts:
392 mlx5e_destroy_rqt(priv, &priv->indir_rqt);
394 mlx5e_close_drop_rq(&priv->drop_rq);
395 err_destroy_q_counters:
396 mlx5e_destroy_q_counters(priv);
400 static void mlx5i_cleanup_rx(struct mlx5e_priv *priv)
402 mlx5i_destroy_flow_steering(priv);
403 mlx5e_destroy_direct_tirs(priv);
404 mlx5e_destroy_indirect_tirs(priv, true);
405 mlx5e_destroy_direct_rqts(priv);
406 mlx5e_destroy_rqt(priv, &priv->indir_rqt);
407 mlx5e_close_drop_rq(&priv->drop_rq);
408 mlx5e_destroy_q_counters(priv);
411 static const struct mlx5e_profile mlx5i_nic_profile = {
413 .cleanup = mlx5i_cleanup,
414 .init_tx = mlx5i_init_tx,
415 .cleanup_tx = mlx5i_cleanup_tx,
416 .init_rx = mlx5i_init_rx,
417 .cleanup_rx = mlx5i_cleanup_rx,
418 .enable = NULL, /* mlx5i_enable */
419 .disable = NULL, /* mlx5i_disable */
420 .update_stats = NULL, /* mlx5i_update_stats */
421 .update_carrier = NULL, /* no HW update in IB link */
422 .rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe,
423 .rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */
424 .max_tc = MLX5I_MAX_NUM_TC,
427 /* mlx5i netdev NDos */
429 static int mlx5i_change_mtu(struct net_device *netdev, int new_mtu)
431 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
432 struct mlx5e_channels new_channels = {};
433 struct mlx5e_params *params;
436 mutex_lock(&priv->state_lock);
438 params = &priv->channels.params;
440 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
441 params->sw_mtu = new_mtu;
442 netdev->mtu = params->sw_mtu;
446 new_channels.params = *params;
447 new_channels.params.sw_mtu = new_mtu;
449 err = mlx5e_safe_switch_channels(priv, &new_channels, NULL);
453 netdev->mtu = new_channels.params.sw_mtu;
456 mutex_unlock(&priv->state_lock);
460 int mlx5i_dev_init(struct net_device *dev)
462 struct mlx5e_priv *priv = mlx5i_epriv(dev);
463 struct mlx5i_priv *ipriv = priv->ppriv;
465 /* Set dev address using underlay QP */
466 dev->dev_addr[1] = (ipriv->qp.qpn >> 16) & 0xff;
467 dev->dev_addr[2] = (ipriv->qp.qpn >> 8) & 0xff;
468 dev->dev_addr[3] = (ipriv->qp.qpn) & 0xff;
470 /* Add QPN to net-device mapping to HT */
471 mlx5i_pkey_add_qpn(dev ,ipriv->qp.qpn);
476 int mlx5i_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
478 struct mlx5e_priv *priv = mlx5i_epriv(dev);
482 return mlx5e_hwstamp_set(priv, ifr);
484 return mlx5e_hwstamp_get(priv, ifr);
490 void mlx5i_dev_cleanup(struct net_device *dev)
492 struct mlx5e_priv *priv = mlx5i_epriv(dev);
493 struct mlx5i_priv *ipriv = priv->ppriv;
495 mlx5i_uninit_underlay_qp(priv);
497 /* Delete QPN to net-device mapping from HT */
498 mlx5i_pkey_del_qpn(dev, ipriv->qp.qpn);
501 static int mlx5i_open(struct net_device *netdev)
503 struct mlx5e_priv *epriv = mlx5i_epriv(netdev);
504 struct mlx5i_priv *ipriv = epriv->ppriv;
505 struct mlx5_core_dev *mdev = epriv->mdev;
508 mutex_lock(&epriv->state_lock);
510 set_bit(MLX5E_STATE_OPENED, &epriv->state);
512 err = mlx5i_init_underlay_qp(epriv);
514 mlx5_core_warn(mdev, "prepare underlay qp state failed, %d\n", err);
515 goto err_clear_state_opened_flag;
518 err = mlx5_fs_add_rx_underlay_qpn(mdev, ipriv->qp.qpn);
520 mlx5_core_warn(mdev, "attach underlay qp to ft failed, %d\n", err);
524 err = mlx5e_open_channels(epriv, &epriv->channels);
526 goto err_remove_fs_underlay_qp;
528 mlx5e_refresh_tirs(epriv, false);
529 mlx5e_activate_priv_channels(epriv);
531 mutex_unlock(&epriv->state_lock);
534 err_remove_fs_underlay_qp:
535 mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
537 mlx5i_uninit_underlay_qp(epriv);
538 err_clear_state_opened_flag:
539 clear_bit(MLX5E_STATE_OPENED, &epriv->state);
540 mutex_unlock(&epriv->state_lock);
544 static int mlx5i_close(struct net_device *netdev)
546 struct mlx5e_priv *epriv = mlx5i_epriv(netdev);
547 struct mlx5i_priv *ipriv = epriv->ppriv;
548 struct mlx5_core_dev *mdev = epriv->mdev;
550 /* May already be CLOSED in case a previous configuration operation
551 * (e.g RX/TX queue size change) that involves close&open failed.
553 mutex_lock(&epriv->state_lock);
555 if (!test_bit(MLX5E_STATE_OPENED, &epriv->state))
558 clear_bit(MLX5E_STATE_OPENED, &epriv->state);
560 netif_carrier_off(epriv->netdev);
561 mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
562 mlx5e_deactivate_priv_channels(epriv);
563 mlx5e_close_channels(&epriv->channels);
564 mlx5i_uninit_underlay_qp(epriv);
566 mutex_unlock(&epriv->state_lock);
570 /* IPoIB RDMA netdev callbacks */
571 static int mlx5i_attach_mcast(struct net_device *netdev, struct ib_device *hca,
572 union ib_gid *gid, u16 lid, int set_qkey,
575 struct mlx5e_priv *epriv = mlx5i_epriv(netdev);
576 struct mlx5_core_dev *mdev = epriv->mdev;
577 struct mlx5i_priv *ipriv = epriv->ppriv;
580 mlx5_core_dbg(mdev, "attaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw);
581 err = mlx5_core_attach_mcg(mdev, gid, ipriv->qp.qpn);
583 mlx5_core_warn(mdev, "failed attaching QPN 0x%x, MGID %pI6\n",
584 ipriv->qp.qpn, gid->raw);
587 mlx5_core_dbg(mdev, "%s setting qkey 0x%x\n",
595 static int mlx5i_detach_mcast(struct net_device *netdev, struct ib_device *hca,
596 union ib_gid *gid, u16 lid)
598 struct mlx5e_priv *epriv = mlx5i_epriv(netdev);
599 struct mlx5_core_dev *mdev = epriv->mdev;
600 struct mlx5i_priv *ipriv = epriv->ppriv;
603 mlx5_core_dbg(mdev, "detaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw);
605 err = mlx5_core_detach_mcg(mdev, gid, ipriv->qp.qpn);
607 mlx5_core_dbg(mdev, "failed detaching QPN 0x%x, MGID %pI6\n",
608 ipriv->qp.qpn, gid->raw);
613 static int mlx5i_xmit(struct net_device *dev, struct sk_buff *skb,
614 struct ib_ah *address, u32 dqpn)
616 struct mlx5e_priv *epriv = mlx5i_epriv(dev);
617 struct mlx5e_txqsq *sq = epriv->txq2sq[skb_get_queue_mapping(skb)];
618 struct mlx5_ib_ah *mah = to_mah(address);
619 struct mlx5i_priv *ipriv = epriv->ppriv;
621 return mlx5i_sq_xmit(sq, skb, &mah->av, dqpn, ipriv->qkey);
624 static void mlx5i_set_pkey_index(struct net_device *netdev, int id)
626 struct mlx5i_priv *ipriv = netdev_priv(netdev);
628 ipriv->pkey_index = (u16)id;
631 static int mlx5i_check_required_hca_cap(struct mlx5_core_dev *mdev)
633 if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_IB)
636 if (!MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads)) {
637 mlx5_core_warn(mdev, "IPoIB enhanced offloads are not supported\n");
644 static void mlx5_rdma_netdev_free(struct net_device *netdev)
646 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
647 struct mlx5i_priv *ipriv = priv->ppriv;
648 const struct mlx5e_profile *profile = priv->profile;
650 mlx5e_detach_netdev(priv);
651 profile->cleanup(priv);
653 if (!ipriv->sub_interface) {
654 mlx5i_pkey_qpn_ht_cleanup(netdev);
655 mlx5e_destroy_mdev_resources(priv->mdev);
659 static bool mlx5_is_sub_interface(struct mlx5_core_dev *mdev)
661 return mdev->mlx5e_res.pdn != 0;
664 static const struct mlx5e_profile *mlx5_get_profile(struct mlx5_core_dev *mdev)
666 if (mlx5_is_sub_interface(mdev))
667 return mlx5i_pkey_get_profile();
668 return &mlx5i_nic_profile;
671 static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u8 port_num,
672 struct net_device *netdev, void *param)
674 struct mlx5_core_dev *mdev = (struct mlx5_core_dev *)param;
675 const struct mlx5e_profile *prof = mlx5_get_profile(mdev);
676 struct mlx5i_priv *ipriv;
677 struct mlx5e_priv *epriv;
678 struct rdma_netdev *rn;
681 ipriv = netdev_priv(netdev);
682 epriv = mlx5i_epriv(netdev);
684 ipriv->sub_interface = mlx5_is_sub_interface(mdev);
685 if (!ipriv->sub_interface) {
686 err = mlx5i_pkey_qpn_ht_init(netdev);
688 mlx5_core_warn(mdev, "allocate qpn_to_netdev ht failed\n");
692 /* This should only be called once per mdev */
693 err = mlx5e_create_mdev_resources(mdev);
698 prof->init(mdev, netdev, prof, ipriv);
700 mlx5e_attach_netdev(epriv);
701 netif_carrier_off(netdev);
703 /* set rdma_netdev func pointers */
706 rn->send = mlx5i_xmit;
707 rn->attach_mcast = mlx5i_attach_mcast;
708 rn->detach_mcast = mlx5i_detach_mcast;
709 rn->set_id = mlx5i_set_pkey_index;
711 netdev->priv_destructor = mlx5_rdma_netdev_free;
712 netdev->needs_free_netdev = 1;
717 mlx5i_pkey_qpn_ht_cleanup(netdev);
721 int mlx5_rdma_rn_get_params(struct mlx5_core_dev *mdev,
722 struct ib_device *device,
723 struct rdma_netdev_alloc_params *params)
728 rc = mlx5i_check_required_hca_cap(mdev);
732 nch = mlx5e_get_max_num_channels(mdev);
734 *params = (struct rdma_netdev_alloc_params){
735 .sizeof_priv = sizeof(struct mlx5i_priv) +
736 sizeof(struct mlx5e_priv),
737 .txqs = nch * MLX5E_MAX_NUM_TC,
740 .initialize_rdma_netdev = mlx5_rdma_setup_rn,
745 EXPORT_SYMBOL(mlx5_rdma_rn_get_params);