2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/string.h>
35 #include <linux/etherdevice.h>
37 #include <linux/mlx4/cmd.h>
38 #include <linux/export.h>
42 static const u8 zero_gid[16]; /* automatically initialized to 0 */
44 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev)
46 return 1 << dev->oper_log_mgm_entry_size;
49 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev)
51 return 4 * (mlx4_get_mgm_entry_size(dev) / 16 - 2);
54 static int mlx4_QP_FLOW_STEERING_ATTACH(struct mlx4_dev *dev,
55 struct mlx4_cmd_mailbox *mailbox,
62 err = mlx4_cmd_imm(dev, mailbox->dma, &imm, size, 0,
63 MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
72 static int mlx4_QP_FLOW_STEERING_DETACH(struct mlx4_dev *dev, u64 regid)
76 err = mlx4_cmd(dev, regid, 0, 0,
77 MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
83 static int mlx4_READ_ENTRY(struct mlx4_dev *dev, int index,
84 struct mlx4_cmd_mailbox *mailbox)
86 return mlx4_cmd_box(dev, 0, mailbox->dma, index, 0, MLX4_CMD_READ_MCG,
87 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
90 static int mlx4_WRITE_ENTRY(struct mlx4_dev *dev, int index,
91 struct mlx4_cmd_mailbox *mailbox)
93 return mlx4_cmd(dev, mailbox->dma, index, 0, MLX4_CMD_WRITE_MCG,
94 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
97 static int mlx4_WRITE_PROMISC(struct mlx4_dev *dev, u8 port, u8 steer,
98 struct mlx4_cmd_mailbox *mailbox)
102 in_mod = (u32) port << 16 | steer << 1;
103 return mlx4_cmd(dev, mailbox->dma, in_mod, 0x1,
104 MLX4_CMD_WRITE_MCG, MLX4_CMD_TIME_CLASS_A,
108 static int mlx4_GID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
109 u16 *hash, u8 op_mod)
114 err = mlx4_cmd_imm(dev, mailbox->dma, &imm, 0, op_mod,
115 MLX4_CMD_MGID_HASH, MLX4_CMD_TIME_CLASS_A,
124 static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 port,
125 enum mlx4_steer_type steer,
128 struct mlx4_steer *s_steer;
129 struct mlx4_promisc_qp *pqp;
131 if (port < 1 || port > dev->caps.num_ports)
134 s_steer = &mlx4_priv(dev)->steer[port - 1];
136 list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) {
145 * Add new entry to steering data structure.
146 * All promisc QPs should be added as well
148 static int new_steering_entry(struct mlx4_dev *dev, u8 port,
149 enum mlx4_steer_type steer,
150 unsigned int index, u32 qpn)
152 struct mlx4_steer *s_steer;
153 struct mlx4_cmd_mailbox *mailbox;
154 struct mlx4_mgm *mgm;
156 struct mlx4_steer_index *new_entry;
157 struct mlx4_promisc_qp *pqp;
158 struct mlx4_promisc_qp *dqp = NULL;
162 if (port < 1 || port > dev->caps.num_ports)
165 s_steer = &mlx4_priv(dev)->steer[port - 1];
166 new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL);
170 INIT_LIST_HEAD(&new_entry->duplicates);
171 new_entry->index = index;
172 list_add_tail(&new_entry->list, &s_steer->steer_entries[steer]);
174 /* If the given qpn is also a promisc qp,
175 * it should be inserted to duplicates list
177 pqp = get_promisc_qp(dev, port, steer, qpn);
179 dqp = kmalloc(sizeof *dqp, GFP_KERNEL);
185 list_add_tail(&dqp->list, &new_entry->duplicates);
188 /* if no promisc qps for this vep, we are done */
189 if (list_empty(&s_steer->promisc_qps[steer]))
192 /* now need to add all the promisc qps to the new
193 * steering entry, as they should also receive the packets
194 * destined to this address */
195 mailbox = mlx4_alloc_cmd_mailbox(dev);
196 if (IS_ERR(mailbox)) {
202 err = mlx4_READ_ENTRY(dev, index, mailbox);
206 members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
207 prot = be32_to_cpu(mgm->members_count) >> 30;
208 list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) {
209 /* don't add already existing qpn */
212 if (members_count == dev->caps.num_qp_per_mgm) {
219 mgm->qp[members_count++] = cpu_to_be32(pqp->qpn & MGM_QPN_MASK);
221 /* update the qps count and update the entry with all the promisc qps*/
222 mgm->members_count = cpu_to_be32(members_count | (prot << 30));
223 err = mlx4_WRITE_ENTRY(dev, index, mailbox);
226 mlx4_free_cmd_mailbox(dev, mailbox);
231 list_del(&dqp->list);
234 list_del(&new_entry->list);
239 /* update the data structures with existing steering entry */
240 static int existing_steering_entry(struct mlx4_dev *dev, u8 port,
241 enum mlx4_steer_type steer,
242 unsigned int index, u32 qpn)
244 struct mlx4_steer *s_steer;
245 struct mlx4_steer_index *tmp_entry, *entry = NULL;
246 struct mlx4_promisc_qp *pqp;
247 struct mlx4_promisc_qp *dqp;
249 if (port < 1 || port > dev->caps.num_ports)
252 s_steer = &mlx4_priv(dev)->steer[port - 1];
254 pqp = get_promisc_qp(dev, port, steer, qpn);
256 return 0; /* nothing to do */
258 list_for_each_entry(tmp_entry, &s_steer->steer_entries[steer], list) {
259 if (tmp_entry->index == index) {
264 if (unlikely(!entry)) {
265 mlx4_warn(dev, "Steering entry at index %x is not registered\n", index);
269 /* the given qpn is listed as a promisc qpn
270 * we need to add it as a duplicate to this entry
271 * for future references */
272 list_for_each_entry(dqp, &entry->duplicates, list) {
274 return 0; /* qp is already duplicated */
277 /* add the qp as a duplicate on this index */
278 dqp = kmalloc(sizeof *dqp, GFP_KERNEL);
282 list_add_tail(&dqp->list, &entry->duplicates);
287 /* Check whether a qpn is a duplicate on steering entry
288 * If so, it should not be removed from mgm */
289 static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port,
290 enum mlx4_steer_type steer,
291 unsigned int index, u32 qpn)
293 struct mlx4_steer *s_steer;
294 struct mlx4_steer_index *tmp_entry, *entry = NULL;
295 struct mlx4_promisc_qp *dqp, *tmp_dqp;
297 if (port < 1 || port > dev->caps.num_ports)
300 s_steer = &mlx4_priv(dev)->steer[port - 1];
302 /* if qp is not promisc, it cannot be duplicated */
303 if (!get_promisc_qp(dev, port, steer, qpn))
306 /* The qp is promisc qp so it is a duplicate on this index
307 * Find the index entry, and remove the duplicate */
308 list_for_each_entry(tmp_entry, &s_steer->steer_entries[steer], list) {
309 if (tmp_entry->index == index) {
314 if (unlikely(!entry)) {
315 mlx4_warn(dev, "Steering entry for index %x is not registered\n", index);
318 list_for_each_entry_safe(dqp, tmp_dqp, &entry->duplicates, list) {
319 if (dqp->qpn == qpn) {
320 list_del(&dqp->list);
327 /* Returns true if all the QPs != tqpn contained in this entry
328 * are Promisc QPs. Returns false otherwise.
330 static bool promisc_steering_entry(struct mlx4_dev *dev, u8 port,
331 enum mlx4_steer_type steer,
332 unsigned int index, u32 tqpn,
335 struct mlx4_cmd_mailbox *mailbox;
336 struct mlx4_mgm *mgm;
341 if (port < 1 || port > dev->caps.num_ports)
344 mailbox = mlx4_alloc_cmd_mailbox(dev);
349 if (mlx4_READ_ENTRY(dev, index, mailbox))
351 m_count = be32_to_cpu(mgm->members_count) & 0xffffff;
353 *members_count = m_count;
355 for (i = 0; i < m_count; i++) {
356 u32 qpn = be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK;
357 if (!get_promisc_qp(dev, port, steer, qpn) && qpn != tqpn) {
358 /* the qp is not promisc, the entry can't be removed */
364 mlx4_free_cmd_mailbox(dev, mailbox);
368 /* IF a steering entry contains only promisc QPs, it can be removed. */
369 static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port,
370 enum mlx4_steer_type steer,
371 unsigned int index, u32 tqpn)
373 struct mlx4_steer *s_steer;
374 struct mlx4_steer_index *entry = NULL, *tmp_entry;
378 if (port < 1 || port > dev->caps.num_ports)
381 s_steer = &mlx4_priv(dev)->steer[port - 1];
383 if (!promisc_steering_entry(dev, port, steer, index,
384 tqpn, &members_count))
387 /* All the qps currently registered for this entry are promiscuous,
388 * Checking for duplicates */
390 list_for_each_entry_safe(entry, tmp_entry, &s_steer->steer_entries[steer], list) {
391 if (entry->index == index) {
392 if (list_empty(&entry->duplicates) ||
393 members_count == 1) {
394 struct mlx4_promisc_qp *pqp, *tmp_pqp;
395 /* If there is only 1 entry in duplicates then
396 * this is the QP we want to delete, going over
397 * the list and deleting the entry.
399 list_del(&entry->list);
400 list_for_each_entry_safe(pqp, tmp_pqp,
403 list_del(&pqp->list);
408 /* This entry contains duplicates so it shouldn't be removed */
419 static int add_promisc_qp(struct mlx4_dev *dev, u8 port,
420 enum mlx4_steer_type steer, u32 qpn)
422 struct mlx4_steer *s_steer;
423 struct mlx4_cmd_mailbox *mailbox;
424 struct mlx4_mgm *mgm;
425 struct mlx4_steer_index *entry;
426 struct mlx4_promisc_qp *pqp;
427 struct mlx4_promisc_qp *dqp;
433 struct mlx4_priv *priv = mlx4_priv(dev);
435 if (port < 1 || port > dev->caps.num_ports)
438 s_steer = &mlx4_priv(dev)->steer[port - 1];
440 mutex_lock(&priv->mcg_table.mutex);
442 if (get_promisc_qp(dev, port, steer, qpn)) {
443 err = 0; /* Noting to do, already exists */
447 pqp = kmalloc(sizeof *pqp, GFP_KERNEL);
454 mailbox = mlx4_alloc_cmd_mailbox(dev);
455 if (IS_ERR(mailbox)) {
461 if (!(mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER)) {
462 /* The promisc QP needs to be added for each one of the steering
463 * entries. If it already exists, needs to be added as
464 * a duplicate for this entry.
466 list_for_each_entry(entry,
467 &s_steer->steer_entries[steer],
469 err = mlx4_READ_ENTRY(dev, entry->index, mailbox);
473 members_count = be32_to_cpu(mgm->members_count) &
475 prot = be32_to_cpu(mgm->members_count) >> 30;
477 for (i = 0; i < members_count; i++) {
478 if ((be32_to_cpu(mgm->qp[i]) &
479 MGM_QPN_MASK) == qpn) {
480 /* Entry already exists.
483 dqp = kmalloc(sizeof(*dqp), GFP_KERNEL);
489 list_add_tail(&dqp->list,
495 /* Need to add the qpn to mgm */
497 dev->caps.num_qp_per_mgm) {
502 mgm->qp[members_count++] =
503 cpu_to_be32(qpn & MGM_QPN_MASK);
505 cpu_to_be32(members_count |
507 err = mlx4_WRITE_ENTRY(dev, entry->index,
515 /* add the new qpn to list of promisc qps */
516 list_add_tail(&pqp->list, &s_steer->promisc_qps[steer]);
517 /* now need to add all the promisc qps to default entry */
518 memset(mgm, 0, sizeof *mgm);
520 list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list) {
521 if (members_count == dev->caps.num_qp_per_mgm) {
526 mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK);
528 mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30);
530 err = mlx4_WRITE_PROMISC(dev, port, steer, mailbox);
534 mlx4_free_cmd_mailbox(dev, mailbox);
535 mutex_unlock(&priv->mcg_table.mutex);
539 list_del(&pqp->list);
541 mlx4_free_cmd_mailbox(dev, mailbox);
545 mutex_unlock(&priv->mcg_table.mutex);
549 static int remove_promisc_qp(struct mlx4_dev *dev, u8 port,
550 enum mlx4_steer_type steer, u32 qpn)
552 struct mlx4_priv *priv = mlx4_priv(dev);
553 struct mlx4_steer *s_steer;
554 struct mlx4_cmd_mailbox *mailbox;
555 struct mlx4_mgm *mgm;
556 struct mlx4_steer_index *entry, *tmp_entry;
557 struct mlx4_promisc_qp *pqp;
558 struct mlx4_promisc_qp *dqp;
561 bool back_to_list = false;
565 if (port < 1 || port > dev->caps.num_ports)
568 s_steer = &mlx4_priv(dev)->steer[port - 1];
569 mutex_lock(&priv->mcg_table.mutex);
571 pqp = get_promisc_qp(dev, port, steer, qpn);
572 if (unlikely(!pqp)) {
573 mlx4_warn(dev, "QP %x is not promiscuous QP\n", qpn);
579 /*remove from list of promisc qps */
580 list_del(&pqp->list);
582 /* set the default entry not to include the removed one */
583 mailbox = mlx4_alloc_cmd_mailbox(dev);
584 if (IS_ERR(mailbox)) {
591 list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list)
592 mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK);
593 mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30);
595 err = mlx4_WRITE_PROMISC(dev, port, steer, mailbox);
599 if (!(mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER)) {
600 /* Remove the QP from all the steering entries */
601 list_for_each_entry_safe(entry, tmp_entry,
602 &s_steer->steer_entries[steer],
605 list_for_each_entry(dqp, &entry->duplicates, list) {
606 if (dqp->qpn == qpn) {
612 /* A duplicate, no need to change the MGM,
613 * only update the duplicates list
615 list_del(&dqp->list);
620 err = mlx4_READ_ENTRY(dev,
626 be32_to_cpu(mgm->members_count) &
628 if (!members_count) {
629 mlx4_warn(dev, "QP %06x wasn't found in entry %x mcount=0. deleting entry...\n",
631 list_del(&entry->list);
636 for (i = 0; i < members_count; ++i)
637 if ((be32_to_cpu(mgm->qp[i]) &
638 MGM_QPN_MASK) == qpn) {
644 mlx4_err(dev, "QP %06x wasn't found in entry %d\n",
650 /* Copy the last QP in this MGM
653 mgm->qp[loc] = mgm->qp[members_count - 1];
654 mgm->qp[members_count - 1] = 0;
656 cpu_to_be32(--members_count |
657 (MLX4_PROT_ETH << 30));
659 err = mlx4_WRITE_ENTRY(dev,
669 mlx4_free_cmd_mailbox(dev, mailbox);
672 list_add_tail(&pqp->list, &s_steer->promisc_qps[steer]);
676 mutex_unlock(&priv->mcg_table.mutex);
681 * Caller must hold MCG table semaphore. gid and mgm parameters must
682 * be properly aligned for command interface.
684 * Returns 0 unless a firmware command error occurs.
686 * If GID is found in MGM or MGM is empty, *index = *hash, *prev = -1
687 * and *mgm holds MGM entry.
689 * if GID is found in AMGM, *index = index in AMGM, *prev = index of
690 * previous entry in hash chain and *mgm holds AMGM entry.
692 * If no AMGM exists for given gid, *index = -1, *prev = index of last
693 * entry in hash chain and *mgm holds end of hash chain.
695 static int find_entry(struct mlx4_dev *dev, u8 port,
696 u8 *gid, enum mlx4_protocol prot,
697 struct mlx4_cmd_mailbox *mgm_mailbox,
698 int *prev, int *index)
700 struct mlx4_cmd_mailbox *mailbox;
701 struct mlx4_mgm *mgm = mgm_mailbox->buf;
705 u8 op_mod = (prot == MLX4_PROT_ETH) ?
706 !!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) : 0;
708 mailbox = mlx4_alloc_cmd_mailbox(dev);
713 memcpy(mgid, gid, 16);
715 err = mlx4_GID_HASH(dev, mailbox, &hash, op_mod);
716 mlx4_free_cmd_mailbox(dev, mailbox);
721 mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, hash);
727 err = mlx4_READ_ENTRY(dev, *index, mgm_mailbox);
731 if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) {
732 if (*index != hash) {
733 mlx4_err(dev, "Found zero MGID in AMGM\n");
739 if (!memcmp(mgm->gid, gid, 16) &&
740 be32_to_cpu(mgm->members_count) >> 30 == prot)
744 *index = be32_to_cpu(mgm->next_gid_index) >> 6;
751 static const u8 __promisc_mode[] = {
752 [MLX4_FS_REGULAR] = 0x0,
753 [MLX4_FS_ALL_DEFAULT] = 0x1,
754 [MLX4_FS_MC_DEFAULT] = 0x3,
755 [MLX4_FS_UC_SNIFFER] = 0x4,
756 [MLX4_FS_MC_SNIFFER] = 0x5,
759 int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
760 enum mlx4_net_trans_promisc_mode flow_type)
762 if (flow_type >= MLX4_FS_MODE_NUM) {
763 mlx4_err(dev, "Invalid flow type. type = %d\n", flow_type);
766 return __promisc_mode[flow_type];
768 EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_mode);
770 static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl,
771 struct mlx4_net_trans_rule_hw_ctrl *hw)
775 flags = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0;
776 flags |= ctrl->exclusive ? (1 << 2) : 0;
777 flags |= ctrl->allow_loopback ? (1 << 3) : 0;
780 hw->type = __promisc_mode[ctrl->promisc_mode];
781 hw->prio = cpu_to_be16(ctrl->priority);
782 hw->port = ctrl->port;
783 hw->qpn = cpu_to_be32(ctrl->qpn);
786 const u16 __sw_id_hw[] = {
787 [MLX4_NET_TRANS_RULE_ID_ETH] = 0xE001,
788 [MLX4_NET_TRANS_RULE_ID_IB] = 0xE005,
789 [MLX4_NET_TRANS_RULE_ID_IPV6] = 0xE003,
790 [MLX4_NET_TRANS_RULE_ID_IPV4] = 0xE002,
791 [MLX4_NET_TRANS_RULE_ID_TCP] = 0xE004,
792 [MLX4_NET_TRANS_RULE_ID_UDP] = 0xE006,
793 [MLX4_NET_TRANS_RULE_ID_VXLAN] = 0xE008
796 int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
797 enum mlx4_net_trans_rule_id id)
799 if (id >= MLX4_NET_TRANS_RULE_NUM) {
800 mlx4_err(dev, "Invalid network rule id. id = %d\n", id);
803 return __sw_id_hw[id];
805 EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_id);
807 static const int __rule_hw_sz[] = {
808 [MLX4_NET_TRANS_RULE_ID_ETH] =
809 sizeof(struct mlx4_net_trans_rule_hw_eth),
810 [MLX4_NET_TRANS_RULE_ID_IB] =
811 sizeof(struct mlx4_net_trans_rule_hw_ib),
812 [MLX4_NET_TRANS_RULE_ID_IPV6] = 0,
813 [MLX4_NET_TRANS_RULE_ID_IPV4] =
814 sizeof(struct mlx4_net_trans_rule_hw_ipv4),
815 [MLX4_NET_TRANS_RULE_ID_TCP] =
816 sizeof(struct mlx4_net_trans_rule_hw_tcp_udp),
817 [MLX4_NET_TRANS_RULE_ID_UDP] =
818 sizeof(struct mlx4_net_trans_rule_hw_tcp_udp),
819 [MLX4_NET_TRANS_RULE_ID_VXLAN] =
820 sizeof(struct mlx4_net_trans_rule_hw_vxlan)
823 int mlx4_hw_rule_sz(struct mlx4_dev *dev,
824 enum mlx4_net_trans_rule_id id)
826 if (id >= MLX4_NET_TRANS_RULE_NUM) {
827 mlx4_err(dev, "Invalid network rule id. id = %d\n", id);
831 return __rule_hw_sz[id];
833 EXPORT_SYMBOL_GPL(mlx4_hw_rule_sz);
835 static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec,
836 struct _rule_hw *rule_hw)
838 if (mlx4_hw_rule_sz(dev, spec->id) < 0)
840 memset(rule_hw, 0, mlx4_hw_rule_sz(dev, spec->id));
841 rule_hw->id = cpu_to_be16(__sw_id_hw[spec->id]);
842 rule_hw->size = mlx4_hw_rule_sz(dev, spec->id) >> 2;
845 case MLX4_NET_TRANS_RULE_ID_ETH:
846 memcpy(rule_hw->eth.dst_mac, spec->eth.dst_mac, ETH_ALEN);
847 memcpy(rule_hw->eth.dst_mac_msk, spec->eth.dst_mac_msk,
849 memcpy(rule_hw->eth.src_mac, spec->eth.src_mac, ETH_ALEN);
850 memcpy(rule_hw->eth.src_mac_msk, spec->eth.src_mac_msk,
852 if (spec->eth.ether_type_enable) {
853 rule_hw->eth.ether_type_enable = 1;
854 rule_hw->eth.ether_type = spec->eth.ether_type;
856 rule_hw->eth.vlan_tag = spec->eth.vlan_id;
857 rule_hw->eth.vlan_tag_msk = spec->eth.vlan_id_msk;
860 case MLX4_NET_TRANS_RULE_ID_IB:
861 rule_hw->ib.l3_qpn = spec->ib.l3_qpn;
862 rule_hw->ib.qpn_mask = spec->ib.qpn_msk;
863 memcpy(&rule_hw->ib.dst_gid, &spec->ib.dst_gid, 16);
864 memcpy(&rule_hw->ib.dst_gid_msk, &spec->ib.dst_gid_msk, 16);
867 case MLX4_NET_TRANS_RULE_ID_IPV6:
870 case MLX4_NET_TRANS_RULE_ID_IPV4:
871 rule_hw->ipv4.src_ip = spec->ipv4.src_ip;
872 rule_hw->ipv4.src_ip_msk = spec->ipv4.src_ip_msk;
873 rule_hw->ipv4.dst_ip = spec->ipv4.dst_ip;
874 rule_hw->ipv4.dst_ip_msk = spec->ipv4.dst_ip_msk;
877 case MLX4_NET_TRANS_RULE_ID_TCP:
878 case MLX4_NET_TRANS_RULE_ID_UDP:
879 rule_hw->tcp_udp.dst_port = spec->tcp_udp.dst_port;
880 rule_hw->tcp_udp.dst_port_msk = spec->tcp_udp.dst_port_msk;
881 rule_hw->tcp_udp.src_port = spec->tcp_udp.src_port;
882 rule_hw->tcp_udp.src_port_msk = spec->tcp_udp.src_port_msk;
885 case MLX4_NET_TRANS_RULE_ID_VXLAN:
887 cpu_to_be32(be32_to_cpu(spec->vxlan.vni) << 8);
888 rule_hw->vxlan.vni_mask =
889 cpu_to_be32(be32_to_cpu(spec->vxlan.vni_mask) << 8);
896 return __rule_hw_sz[spec->id];
899 static void mlx4_err_rule(struct mlx4_dev *dev, char *str,
900 struct mlx4_net_trans_rule *rule)
903 struct mlx4_spec_list *cur;
907 mlx4_err(dev, "%s", str);
908 len += snprintf(buf + len, BUF_SIZE - len,
909 "port = %d prio = 0x%x qp = 0x%x ",
910 rule->port, rule->priority, rule->qpn);
912 list_for_each_entry(cur, &rule->list, list) {
914 case MLX4_NET_TRANS_RULE_ID_ETH:
915 len += snprintf(buf + len, BUF_SIZE - len,
916 "dmac = %pM ", &cur->eth.dst_mac);
917 if (cur->eth.ether_type)
918 len += snprintf(buf + len, BUF_SIZE - len,
920 be16_to_cpu(cur->eth.ether_type));
921 if (cur->eth.vlan_id)
922 len += snprintf(buf + len, BUF_SIZE - len,
924 be16_to_cpu(cur->eth.vlan_id));
927 case MLX4_NET_TRANS_RULE_ID_IPV4:
928 if (cur->ipv4.src_ip)
929 len += snprintf(buf + len, BUF_SIZE - len,
932 if (cur->ipv4.dst_ip)
933 len += snprintf(buf + len, BUF_SIZE - len,
938 case MLX4_NET_TRANS_RULE_ID_TCP:
939 case MLX4_NET_TRANS_RULE_ID_UDP:
940 if (cur->tcp_udp.src_port)
941 len += snprintf(buf + len, BUF_SIZE - len,
943 be16_to_cpu(cur->tcp_udp.src_port));
944 if (cur->tcp_udp.dst_port)
945 len += snprintf(buf + len, BUF_SIZE - len,
947 be16_to_cpu(cur->tcp_udp.dst_port));
950 case MLX4_NET_TRANS_RULE_ID_IB:
951 len += snprintf(buf + len, BUF_SIZE - len,
952 "dst-gid = %pI6\n", cur->ib.dst_gid);
953 len += snprintf(buf + len, BUF_SIZE - len,
954 "dst-gid-mask = %pI6\n",
955 cur->ib.dst_gid_msk);
958 case MLX4_NET_TRANS_RULE_ID_IPV6:
965 len += snprintf(buf + len, BUF_SIZE - len, "\n");
966 mlx4_err(dev, "%s", buf);
969 mlx4_err(dev, "Network rule error message was truncated, print buffer is too small\n");
972 int mlx4_flow_attach(struct mlx4_dev *dev,
973 struct mlx4_net_trans_rule *rule, u64 *reg_id)
975 struct mlx4_cmd_mailbox *mailbox;
976 struct mlx4_spec_list *cur;
980 mailbox = mlx4_alloc_cmd_mailbox(dev);
982 return PTR_ERR(mailbox);
984 trans_rule_ctrl_to_hw(rule, mailbox->buf);
986 size += sizeof(struct mlx4_net_trans_rule_hw_ctrl);
988 list_for_each_entry(cur, &rule->list, list) {
989 ret = parse_trans_rule(dev, cur, mailbox->buf + size);
991 mlx4_free_cmd_mailbox(dev, mailbox);
997 ret = mlx4_QP_FLOW_STEERING_ATTACH(dev, mailbox, size >> 2, reg_id);
1000 "mcg table is full. Fail to register network rule\n",
1003 mlx4_err_rule(dev, "Fail to register network rule\n", rule);
1005 mlx4_free_cmd_mailbox(dev, mailbox);
1009 EXPORT_SYMBOL_GPL(mlx4_flow_attach);
1011 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id)
1015 err = mlx4_QP_FLOW_STEERING_DETACH(dev, reg_id);
1017 mlx4_err(dev, "Fail to detach network rule. registration id = 0x%llx\n",
1021 EXPORT_SYMBOL_GPL(mlx4_flow_detach);
1023 int mlx4_tunnel_steer_add(struct mlx4_dev *dev, unsigned char *addr,
1024 int port, int qpn, u16 prio, u64 *reg_id)
1027 struct mlx4_spec_list spec_eth_outer = { {NULL} };
1028 struct mlx4_spec_list spec_vxlan = { {NULL} };
1029 struct mlx4_spec_list spec_eth_inner = { {NULL} };
1031 struct mlx4_net_trans_rule rule = {
1032 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1034 .allow_loopback = 1,
1035 .promisc_mode = MLX4_FS_REGULAR,
1038 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16);
1042 rule.priority = prio;
1043 INIT_LIST_HEAD(&rule.list);
1045 spec_eth_outer.id = MLX4_NET_TRANS_RULE_ID_ETH;
1046 memcpy(spec_eth_outer.eth.dst_mac, addr, ETH_ALEN);
1047 memcpy(spec_eth_outer.eth.dst_mac_msk, &mac_mask, ETH_ALEN);
1049 spec_vxlan.id = MLX4_NET_TRANS_RULE_ID_VXLAN; /* any vxlan header */
1050 spec_eth_inner.id = MLX4_NET_TRANS_RULE_ID_ETH; /* any inner eth header */
1052 list_add_tail(&spec_eth_outer.list, &rule.list);
1053 list_add_tail(&spec_vxlan.list, &rule.list);
1054 list_add_tail(&spec_eth_inner.list, &rule.list);
1056 err = mlx4_flow_attach(dev, &rule, reg_id);
1059 EXPORT_SYMBOL(mlx4_tunnel_steer_add);
1061 int mlx4_FLOW_STEERING_IB_UC_QP_RANGE(struct mlx4_dev *dev, u32 min_range_qpn,
1067 in_param = ((u64) min_range_qpn) << 32;
1068 in_param |= ((u64) max_range_qpn) & 0xFFFFFFFF;
1070 err = mlx4_cmd(dev, in_param, 0, 0,
1071 MLX4_FLOW_STEERING_IB_UC_QP_RANGE,
1072 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
1076 EXPORT_SYMBOL_GPL(mlx4_FLOW_STEERING_IB_UC_QP_RANGE);
1078 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1079 int block_mcast_loopback, enum mlx4_protocol prot,
1080 enum mlx4_steer_type steer)
1082 struct mlx4_priv *priv = mlx4_priv(dev);
1083 struct mlx4_cmd_mailbox *mailbox;
1084 struct mlx4_mgm *mgm;
1093 mailbox = mlx4_alloc_cmd_mailbox(dev);
1094 if (IS_ERR(mailbox))
1095 return PTR_ERR(mailbox);
1098 mutex_lock(&priv->mcg_table.mutex);
1099 err = find_entry(dev, port, gid, prot,
1100 mailbox, &prev, &index);
1105 if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) {
1107 memcpy(mgm->gid, gid, 16);
1112 index = mlx4_bitmap_alloc(&priv->mcg_table.bitmap);
1114 mlx4_err(dev, "No AMGM entries left\n");
1118 index += dev->caps.num_mgms;
1121 memset(mgm, 0, sizeof *mgm);
1122 memcpy(mgm->gid, gid, 16);
1125 members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
1126 if (members_count == dev->caps.num_qp_per_mgm) {
1127 mlx4_err(dev, "MGM at index %x is full\n", index);
1132 for (i = 0; i < members_count; ++i)
1133 if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qp->qpn) {
1134 mlx4_dbg(dev, "QP %06x already a member of MGM\n", qp->qpn);
1139 if (block_mcast_loopback)
1140 mgm->qp[members_count++] = cpu_to_be32((qp->qpn & MGM_QPN_MASK) |
1141 (1U << MGM_BLCK_LB_BIT));
1143 mgm->qp[members_count++] = cpu_to_be32(qp->qpn & MGM_QPN_MASK);
1145 mgm->members_count = cpu_to_be32(members_count | (u32) prot << 30);
1147 err = mlx4_WRITE_ENTRY(dev, index, mailbox);
1154 err = mlx4_READ_ENTRY(dev, prev, mailbox);
1158 mgm->next_gid_index = cpu_to_be32(index << 6);
1160 err = mlx4_WRITE_ENTRY(dev, prev, mailbox);
1165 if (prot == MLX4_PROT_ETH) {
1166 /* manage the steering entry for promisc mode */
1168 new_steering_entry(dev, port, steer, index, qp->qpn);
1170 existing_steering_entry(dev, port, steer,
1173 if (err && link && index != -1) {
1174 if (index < dev->caps.num_mgms)
1175 mlx4_warn(dev, "Got AMGM index %d < %d\n",
1176 index, dev->caps.num_mgms);
1178 mlx4_bitmap_free(&priv->mcg_table.bitmap,
1179 index - dev->caps.num_mgms, MLX4_USE_RR);
1181 mutex_unlock(&priv->mcg_table.mutex);
1183 mlx4_free_cmd_mailbox(dev, mailbox);
1187 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1188 enum mlx4_protocol prot, enum mlx4_steer_type steer)
1190 struct mlx4_priv *priv = mlx4_priv(dev);
1191 struct mlx4_cmd_mailbox *mailbox;
1192 struct mlx4_mgm *mgm;
1198 bool removed_entry = false;
1200 mailbox = mlx4_alloc_cmd_mailbox(dev);
1201 if (IS_ERR(mailbox))
1202 return PTR_ERR(mailbox);
1205 mutex_lock(&priv->mcg_table.mutex);
1207 err = find_entry(dev, port, gid, prot,
1208 mailbox, &prev, &index);
1213 mlx4_err(dev, "MGID %pI6 not found\n", gid);
1218 /* If this QP is also a promisc QP, it shouldn't be removed only if
1219 * at least one none promisc QP is also attached to this MCG
1221 if (prot == MLX4_PROT_ETH &&
1222 check_duplicate_entry(dev, port, steer, index, qp->qpn) &&
1223 !promisc_steering_entry(dev, port, steer, index, qp->qpn, NULL))
1226 members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
1227 for (i = 0; i < members_count; ++i)
1228 if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qp->qpn) {
1234 mlx4_err(dev, "QP %06x not found in MGM\n", qp->qpn);
1239 /* copy the last QP in this MGM over removed QP */
1240 mgm->qp[loc] = mgm->qp[members_count - 1];
1241 mgm->qp[members_count - 1] = 0;
1242 mgm->members_count = cpu_to_be32(--members_count | (u32) prot << 30);
1244 if (prot == MLX4_PROT_ETH)
1245 removed_entry = can_remove_steering_entry(dev, port, steer,
1247 if (members_count && (prot != MLX4_PROT_ETH || !removed_entry)) {
1248 err = mlx4_WRITE_ENTRY(dev, index, mailbox);
1252 /* We are going to delete the entry, members count should be 0 */
1253 mgm->members_count = cpu_to_be32((u32) prot << 30);
1256 /* Remove entry from MGM */
1257 int amgm_index = be32_to_cpu(mgm->next_gid_index) >> 6;
1259 err = mlx4_READ_ENTRY(dev, amgm_index, mailbox);
1263 memset(mgm->gid, 0, 16);
1265 err = mlx4_WRITE_ENTRY(dev, index, mailbox);
1270 if (amgm_index < dev->caps.num_mgms)
1271 mlx4_warn(dev, "MGM entry %d had AMGM index %d < %d\n",
1272 index, amgm_index, dev->caps.num_mgms);
1274 mlx4_bitmap_free(&priv->mcg_table.bitmap,
1275 amgm_index - dev->caps.num_mgms, MLX4_USE_RR);
1278 /* Remove entry from AMGM */
1279 int cur_next_index = be32_to_cpu(mgm->next_gid_index) >> 6;
1280 err = mlx4_READ_ENTRY(dev, prev, mailbox);
1284 mgm->next_gid_index = cpu_to_be32(cur_next_index << 6);
1286 err = mlx4_WRITE_ENTRY(dev, prev, mailbox);
1290 if (index < dev->caps.num_mgms)
1291 mlx4_warn(dev, "entry %d had next AMGM index %d < %d\n",
1292 prev, index, dev->caps.num_mgms);
1294 mlx4_bitmap_free(&priv->mcg_table.bitmap,
1295 index - dev->caps.num_mgms, MLX4_USE_RR);
1299 mutex_unlock(&priv->mcg_table.mutex);
1301 mlx4_free_cmd_mailbox(dev, mailbox);
1305 static int mlx4_QP_ATTACH(struct mlx4_dev *dev, struct mlx4_qp *qp,
1306 u8 gid[16], u8 attach, u8 block_loopback,
1307 enum mlx4_protocol prot)
1309 struct mlx4_cmd_mailbox *mailbox;
1313 if (!mlx4_is_mfunc(dev))
1316 mailbox = mlx4_alloc_cmd_mailbox(dev);
1317 if (IS_ERR(mailbox))
1318 return PTR_ERR(mailbox);
1320 memcpy(mailbox->buf, gid, 16);
1322 qpn |= (prot << 28);
1323 if (attach && block_loopback)
1326 err = mlx4_cmd(dev, mailbox->dma, qpn, attach,
1327 MLX4_CMD_QP_ATTACH, MLX4_CMD_TIME_CLASS_A,
1330 mlx4_free_cmd_mailbox(dev, mailbox);
1334 int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1335 u8 gid[16], u8 port,
1336 int block_mcast_loopback,
1337 enum mlx4_protocol prot, u64 *reg_id)
1339 struct mlx4_spec_list spec = { {NULL} };
1340 __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16);
1342 struct mlx4_net_trans_rule rule = {
1343 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
1345 .promisc_mode = MLX4_FS_REGULAR,
1346 .priority = MLX4_DOMAIN_NIC,
1349 rule.allow_loopback = !block_mcast_loopback;
1352 INIT_LIST_HEAD(&rule.list);
1356 spec.id = MLX4_NET_TRANS_RULE_ID_ETH;
1357 memcpy(spec.eth.dst_mac, &gid[10], ETH_ALEN);
1358 memcpy(spec.eth.dst_mac_msk, &mac_mask, ETH_ALEN);
1361 case MLX4_PROT_IB_IPV6:
1362 spec.id = MLX4_NET_TRANS_RULE_ID_IB;
1363 memcpy(spec.ib.dst_gid, gid, 16);
1364 memset(&spec.ib.dst_gid_msk, 0xff, 16);
1369 list_add_tail(&spec.list, &rule.list);
1371 return mlx4_flow_attach(dev, &rule, reg_id);
1374 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1375 u8 port, int block_mcast_loopback,
1376 enum mlx4_protocol prot, u64 *reg_id)
1378 switch (dev->caps.steering_mode) {
1379 case MLX4_STEERING_MODE_A0:
1380 if (prot == MLX4_PROT_ETH)
1383 case MLX4_STEERING_MODE_B0:
1384 if (prot == MLX4_PROT_ETH)
1385 gid[7] |= (MLX4_MC_STEER << 1);
1387 if (mlx4_is_mfunc(dev))
1388 return mlx4_QP_ATTACH(dev, qp, gid, 1,
1389 block_mcast_loopback, prot);
1390 return mlx4_qp_attach_common(dev, qp, gid,
1391 block_mcast_loopback, prot,
1394 case MLX4_STEERING_MODE_DEVICE_MANAGED:
1395 return mlx4_trans_to_dmfs_attach(dev, qp, gid, port,
1396 block_mcast_loopback,
1402 EXPORT_SYMBOL_GPL(mlx4_multicast_attach);
1404 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1405 enum mlx4_protocol prot, u64 reg_id)
1407 switch (dev->caps.steering_mode) {
1408 case MLX4_STEERING_MODE_A0:
1409 if (prot == MLX4_PROT_ETH)
1412 case MLX4_STEERING_MODE_B0:
1413 if (prot == MLX4_PROT_ETH)
1414 gid[7] |= (MLX4_MC_STEER << 1);
1416 if (mlx4_is_mfunc(dev))
1417 return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot);
1419 return mlx4_qp_detach_common(dev, qp, gid, prot,
1422 case MLX4_STEERING_MODE_DEVICE_MANAGED:
1423 return mlx4_flow_detach(dev, reg_id);
1429 EXPORT_SYMBOL_GPL(mlx4_multicast_detach);
1431 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port,
1432 u32 qpn, enum mlx4_net_trans_promisc_mode mode)
1434 struct mlx4_net_trans_rule rule;
1438 case MLX4_FS_ALL_DEFAULT:
1439 regid_p = &dev->regid_promisc_array[port];
1441 case MLX4_FS_MC_DEFAULT:
1442 regid_p = &dev->regid_allmulti_array[port];
1451 rule.promisc_mode = mode;
1454 INIT_LIST_HEAD(&rule.list);
1455 mlx4_err(dev, "going promisc on %x\n", port);
1457 return mlx4_flow_attach(dev, &rule, regid_p);
1459 EXPORT_SYMBOL_GPL(mlx4_flow_steer_promisc_add);
1461 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
1462 enum mlx4_net_trans_promisc_mode mode)
1468 case MLX4_FS_ALL_DEFAULT:
1469 regid_p = &dev->regid_promisc_array[port];
1471 case MLX4_FS_MC_DEFAULT:
1472 regid_p = &dev->regid_allmulti_array[port];
1481 ret = mlx4_flow_detach(dev, *regid_p);
1487 EXPORT_SYMBOL_GPL(mlx4_flow_steer_promisc_remove);
1489 int mlx4_unicast_attach(struct mlx4_dev *dev,
1490 struct mlx4_qp *qp, u8 gid[16],
1491 int block_mcast_loopback, enum mlx4_protocol prot)
1493 if (prot == MLX4_PROT_ETH)
1494 gid[7] |= (MLX4_UC_STEER << 1);
1496 if (mlx4_is_mfunc(dev))
1497 return mlx4_QP_ATTACH(dev, qp, gid, 1,
1498 block_mcast_loopback, prot);
1500 return mlx4_qp_attach_common(dev, qp, gid, block_mcast_loopback,
1501 prot, MLX4_UC_STEER);
1503 EXPORT_SYMBOL_GPL(mlx4_unicast_attach);
1505 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1506 u8 gid[16], enum mlx4_protocol prot)
1508 if (prot == MLX4_PROT_ETH)
1509 gid[7] |= (MLX4_UC_STEER << 1);
1511 if (mlx4_is_mfunc(dev))
1512 return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot);
1514 return mlx4_qp_detach_common(dev, qp, gid, prot, MLX4_UC_STEER);
1516 EXPORT_SYMBOL_GPL(mlx4_unicast_detach);
1518 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1519 struct mlx4_vhcr *vhcr,
1520 struct mlx4_cmd_mailbox *inbox,
1521 struct mlx4_cmd_mailbox *outbox,
1522 struct mlx4_cmd_info *cmd)
1524 u32 qpn = (u32) vhcr->in_param & 0xffffffff;
1525 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_param >> 62);
1526 enum mlx4_steer_type steer = vhcr->in_modifier;
1531 /* Promiscuous unicast is not allowed in mfunc */
1532 if (mlx4_is_mfunc(dev) && steer == MLX4_UC_STEER)
1535 if (vhcr->op_modifier)
1536 return add_promisc_qp(dev, port, steer, qpn);
1538 return remove_promisc_qp(dev, port, steer, qpn);
1541 static int mlx4_PROMISC(struct mlx4_dev *dev, u32 qpn,
1542 enum mlx4_steer_type steer, u8 add, u8 port)
1544 return mlx4_cmd(dev, (u64) qpn | (u64) port << 62, (u32) steer, add,
1545 MLX4_CMD_PROMISC, MLX4_CMD_TIME_CLASS_A,
1549 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
1551 if (mlx4_is_mfunc(dev))
1552 return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 1, port);
1554 return add_promisc_qp(dev, port, MLX4_MC_STEER, qpn);
1556 EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_add);
1558 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
1560 if (mlx4_is_mfunc(dev))
1561 return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 0, port);
1563 return remove_promisc_qp(dev, port, MLX4_MC_STEER, qpn);
1565 EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove);
1567 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
1569 if (mlx4_is_mfunc(dev))
1570 return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 1, port);
1572 return add_promisc_qp(dev, port, MLX4_UC_STEER, qpn);
1574 EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add);
1576 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
1578 if (mlx4_is_mfunc(dev))
1579 return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 0, port);
1581 return remove_promisc_qp(dev, port, MLX4_UC_STEER, qpn);
1583 EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_remove);
1585 int mlx4_init_mcg_table(struct mlx4_dev *dev)
1587 struct mlx4_priv *priv = mlx4_priv(dev);
1590 /* No need for mcg_table when fw managed the mcg table*/
1591 if (dev->caps.steering_mode ==
1592 MLX4_STEERING_MODE_DEVICE_MANAGED)
1594 err = mlx4_bitmap_init(&priv->mcg_table.bitmap, dev->caps.num_amgms,
1595 dev->caps.num_amgms - 1, 0, 0);
1599 mutex_init(&priv->mcg_table.mutex);
1604 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev)
1606 if (dev->caps.steering_mode !=
1607 MLX4_STEERING_MODE_DEVICE_MANAGED)
1608 mlx4_bitmap_cleanup(&mlx4_priv(dev)->mcg_table.bitmap);