Lines Matching +full:device +full:- +full:id
1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
4 * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved.
5 * Copyright (c) 1999-2019, Mellanox Technologies, Inc. All rights reserved.
6 * Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
65 [RDMA_CM_EVENT_DEVICE_REMOVAL] = "device removal",
84 const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id, in rdma_reject_msg() argument
87 if (rdma_ib_or_roce(id->device, id->port_num)) in rdma_reject_msg()
90 if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_reject_msg()
99 * rdma_is_consumer_reject - return true if the consumer rejected the connect
101 * @id: Communication identifier that received the REJECT event.
104 static bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason) in rdma_is_consumer_reject() argument
106 if (rdma_ib_or_roce(id->device, id->port_num)) in rdma_is_consumer_reject()
109 if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_is_consumer_reject()
110 return reason == -ECONNREFUSED; in rdma_is_consumer_reject()
116 const void *rdma_consumer_reject_data(struct rdma_cm_id *id, in rdma_consumer_reject_data() argument
121 if (rdma_is_consumer_reject(id, ev->status)) { in rdma_consumer_reject_data()
122 *data_len = ev->param.conn.private_data_len; in rdma_consumer_reject_data()
123 p = ev->param.conn.private_data; in rdma_consumer_reject_data()
133 * rdma_iw_cm_id() - return the iw_cm_id pointer for this cm_id.
134 * @id: Communication Identifier
136 struct iw_cm_id *rdma_iw_cm_id(struct rdma_cm_id *id) in rdma_iw_cm_id() argument
140 id_priv = container_of(id, struct rdma_id_private, id); in rdma_iw_cm_id()
141 if (id->device->node_type == RDMA_NODE_RNIC) in rdma_iw_cm_id()
142 return id_priv->cm_id.iw; in rdma_iw_cm_id()
148 * rdma_res_to_id() - return the rdma_cm_id pointer for this restrack.
156 return &id_priv->id; in rdma_res_to_id()
160 static int cma_add_one(struct ib_device *device);
161 static void cma_remove_one(struct ib_device *device, void *client_data);
198 return &pernet->tcp_ps; in cma_pernet_xa()
200 return &pernet->udp_ps; in cma_pernet_xa()
202 return &pernet->ipoib_ps; in cma_pernet_xa()
204 return &pernet->ib_ps; in cma_pernet_xa()
217 struct ib_device *device; member
261 refcount_inc(&cma_dev->refcount); in cma_dev_get()
266 if (refcount_dec_and_test(&cma_dev->refcount)) in cma_dev_put()
267 complete(&cma_dev->comp); in cma_dev_put()
279 if (filter(cma_dev->device, cookie)) { in cma_enum_devices_by_ibdev()
293 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_get_default_gid_type()
294 return -EINVAL; in cma_get_default_gid_type()
296 return cma_dev->default_gid_type[port - rdma_start_port(cma_dev->device)]; in cma_get_default_gid_type()
305 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_set_default_gid_type()
306 return -EINVAL; in cma_set_default_gid_type()
309 rdma_protocol_roce_eth_encap(cma_dev->device, port)) in cma_set_default_gid_type()
312 supported_gids = roce_gid_type_mask_support(cma_dev->device, port); in cma_set_default_gid_type()
315 return -EINVAL; in cma_set_default_gid_type()
317 cma_dev->default_gid_type[port - rdma_start_port(cma_dev->device)] = in cma_set_default_gid_type()
325 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_get_default_roce_tos()
326 return -EINVAL; in cma_get_default_roce_tos()
328 return cma_dev->default_roce_tos[port - rdma_start_port(cma_dev->device)]; in cma_get_default_roce_tos()
334 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_set_default_roce_tos()
335 return -EINVAL; in cma_set_default_roce_tos()
337 cma_dev->default_roce_tos[port - rdma_start_port(cma_dev->device)] = in cma_set_default_roce_tos()
344 return cma_dev->device; in cma_get_ib_dev()
348 * Device removal can occur at anytime, so we need extra handling to
349 * serialize notifying the user of device removal with other callbacks.
371 struct rdma_id_private *id; member
398 struct ib_device *device; member
419 lockdep_assert_held(&id_priv->handler_mutex); in cma_comp_exch()
421 spin_lock_irqsave(&id_priv->lock, flags); in cma_comp_exch()
422 if ((ret = (id_priv->state == comp))) in cma_comp_exch()
423 id_priv->state = exch; in cma_comp_exch()
424 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_comp_exch()
430 return hdr->ip_version >> 4; in cma_get_ip_ver()
435 hdr->ip_version = (ip_ver << 4) | (hdr->ip_version & 0xF); in cma_set_ip_ver()
440 return (struct sockaddr *)&id_priv->id.route.addr.src_addr; in cma_src_addr()
445 return (struct sockaddr *)&id_priv->id.route.addr.dst_addr; in cma_dst_addr()
458 *(__be32 *)(mgid->raw + 12)); in cma_igmp_send()
461 *(__be32 *)(mgid->raw + 12)); in cma_igmp_send()
465 return (in_dev) ? 0 : -ENODEV; in cma_igmp_send()
472 &entry_b->id_list, struct rdma_id_private, id_list_entry); in compare_netdev_and_ip()
473 int ifindex_b = id_priv->id.route.addr.dev_addr.bound_dev_if; in compare_netdev_and_ip()
477 return (ifindex_a > ifindex_b) ? 1 : -1; in compare_netdev_and_ip()
479 if (sa->sa_family != sb->sa_family) in compare_netdev_and_ip()
480 return sa->sa_family - sb->sa_family; in compare_netdev_and_ip()
482 if (sa->sa_family == AF_INET && in compare_netdev_and_ip()
484 return memcmp(&((struct sockaddr_in *)sa)->sin_addr, in compare_netdev_and_ip()
485 &((struct sockaddr_in *)sb)->sin_addr, in compare_netdev_and_ip()
486 sizeof(((struct sockaddr_in *)sa)->sin_addr)); in compare_netdev_and_ip()
489 if (sa->sa_family == AF_INET6 && in compare_netdev_and_ip()
491 return ipv6_addr_cmp(&((struct sockaddr_in6 *)sa)->sin6_addr, in compare_netdev_and_ip()
492 &((struct sockaddr_in6 *)sb)->sin6_addr); in compare_netdev_and_ip()
495 return -1; in compare_netdev_and_ip()
507 return -ENOMEM; in cma_add_id_to_tree()
514 node_id_priv->id.route.addr.dev_addr.bound_dev_if, in cma_add_id_to_tree()
519 new = &((*new)->rb_left); in cma_add_id_to_tree()
521 new = &((*new)->rb_right); in cma_add_id_to_tree()
523 list_add_tail(&node_id_priv->id_list_entry, in cma_add_id_to_tree()
524 &this->id_list); in cma_add_id_to_tree()
530 INIT_LIST_HEAD(&node->id_list); in cma_add_id_to_tree()
531 list_add_tail(&node_id_priv->id_list_entry, &node->id_list); in cma_add_id_to_tree()
533 rb_link_node(&node->rb_node, parent, new); in cma_add_id_to_tree()
534 rb_insert_color(&node->rb_node, &id_table); in cma_add_id_to_tree()
544 struct rb_node *node = root->rb_node; in node_from_ndev_ip()
552 node = node->rb_left; in node_from_ndev_ip()
554 node = node->rb_right; in node_from_ndev_ip()
568 if (list_empty(&id_priv->id_list_entry)) in cma_remove_id_from_tree()
572 id_priv->id.route.addr.dev_addr.bound_dev_if, in cma_remove_id_from_tree()
577 list_del_init(&id_priv->id_list_entry); in cma_remove_id_from_tree()
578 if (list_empty(&data->id_list)) { in cma_remove_id_from_tree()
579 rb_erase(&data->rb_node, &id_table); in cma_remove_id_from_tree()
590 id_priv->cma_dev = cma_dev; in _cma_attach_to_dev()
591 id_priv->id.device = cma_dev->device; in _cma_attach_to_dev()
592 id_priv->id.route.addr.dev_addr.transport = in _cma_attach_to_dev()
593 rdma_node_get_transport(cma_dev->device->node_type); in _cma_attach_to_dev()
594 list_add_tail(&id_priv->device_item, &cma_dev->id_list); in _cma_attach_to_dev()
596 trace_cm_id_attach(id_priv, cma_dev->device); in _cma_attach_to_dev()
603 id_priv->gid_type = in cma_attach_to_dev()
604 cma_dev->default_gid_type[id_priv->id.port_num - in cma_attach_to_dev()
605 rdma_start_port(cma_dev->device)]; in cma_attach_to_dev()
611 list_del_init(&id_priv->device_item); in cma_release_dev()
612 cma_dev_put(id_priv->cma_dev); in cma_release_dev()
613 id_priv->cma_dev = NULL; in cma_release_dev()
614 id_priv->id.device = NULL; in cma_release_dev()
615 if (id_priv->id.route.addr.dev_addr.sgid_attr) { in cma_release_dev()
616 rdma_put_gid_attr(id_priv->id.route.addr.dev_addr.sgid_attr); in cma_release_dev()
617 id_priv->id.route.addr.dev_addr.sgid_attr = NULL; in cma_release_dev()
624 return id_priv->id.route.addr.src_addr.ss_family; in cma_family()
632 switch (id_priv->id.ps) { in cma_set_default_qkey()
635 id_priv->qkey = RDMA_UDP_QKEY; in cma_set_default_qkey()
638 ib_addr_get_mgid(&id_priv->id.route.addr.dev_addr, &rec.mgid); in cma_set_default_qkey()
639 ret = ib_sa_get_mcmember_rec(id_priv->id.device, in cma_set_default_qkey()
640 id_priv->id.port_num, &rec.mgid, in cma_set_default_qkey()
643 id_priv->qkey = be32_to_cpu(rec.qkey); in cma_set_default_qkey()
654 (id_priv->qkey && (id_priv->qkey != qkey))) in cma_set_qkey()
655 return -EINVAL; in cma_set_qkey()
657 id_priv->qkey = qkey; in cma_set_qkey()
663 dev_addr->dev_type = ARPHRD_INFINIBAND; in cma_translate_ib()
664 rdma_addr_set_sgid(dev_addr, (union ib_gid *) &sib->sib_addr); in cma_translate_ib()
665 ib_addr_set_pkey(dev_addr, ntohs(sib->sib_pkey)); in cma_translate_ib()
672 if (addr->sa_family != AF_IB) { in cma_translate_addr()
683 cma_validate_port(struct ib_device *device, u32 port, in cma_validate_port() argument
688 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_validate_port()
689 const struct ib_gid_attr *sgid_attr = ERR_PTR(-ENODEV); in cma_validate_port()
690 int bound_if_index = dev_addr->bound_dev_if; in cma_validate_port()
691 int dev_type = dev_addr->dev_type; in cma_validate_port()
694 if (!rdma_dev_access_netns(device, id_priv->id.route.addr.dev_addr.net)) in cma_validate_port()
697 if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port)) in cma_validate_port()
700 if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port)) in cma_validate_port()
704 * For drivers that do not associate more than one net device with in cma_validate_port()
710 if (rdma_protocol_iwarp(device, port)) { in cma_validate_port()
711 sgid_attr = rdma_get_gid_attr(device, port, 0); in cma_validate_port()
716 ndev = rcu_dereference(sgid_attr->ndev); in cma_validate_port()
717 if (!net_eq(dev_net(ndev), dev_addr->net) || in cma_validate_port()
718 ndev->ifindex != bound_if_index) in cma_validate_port()
719 sgid_attr = ERR_PTR(-ENODEV); in cma_validate_port()
724 if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) { in cma_validate_port()
725 ndev = dev_get_by_index(dev_addr->net, bound_if_index); in cma_validate_port()
732 sgid_attr = rdma_find_gid_by_port(device, gid, gid_type, port, ndev); in cma_validate_port()
741 WARN_ON(id_priv->id.route.addr.dev_addr.sgid_attr); in cma_bind_sgid_attr()
742 id_priv->id.route.addr.dev_addr.sgid_attr = sgid_attr; in cma_bind_sgid_attr()
746 * cma_acquire_dev_by_src_ip - Acquire cma device, port, gid attribute
748 * @id_priv: cm_id which should be bound to cma device
750 * cma_acquire_dev_by_src_ip() binds cm id to cma device, port and GID attribute
756 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_acquire_dev_by_src_ip()
761 int ret = -ENODEV; in cma_acquire_dev_by_src_ip()
764 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_acquire_dev_by_src_ip()
765 id_priv->id.ps == RDMA_PS_IPOIB) in cma_acquire_dev_by_src_ip()
766 return -EINVAL; in cma_acquire_dev_by_src_ip()
768 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_acquire_dev_by_src_ip()
771 memcpy(&gid, dev_addr->src_dev_addr + in cma_acquire_dev_by_src_ip()
776 rdma_for_each_port (cma_dev->device, port) { in cma_acquire_dev_by_src_ip()
777 gidp = rdma_protocol_roce(cma_dev->device, port) ? in cma_acquire_dev_by_src_ip()
779 gid_type = cma_dev->default_gid_type[port - 1]; in cma_acquire_dev_by_src_ip()
780 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_acquire_dev_by_src_ip()
783 id_priv->id.port_num = port; in cma_acquire_dev_by_src_ip()
797 * cma_ib_acquire_dev - Acquire cma device, port and SGID attribute
798 * @id_priv: cm id to bind to cma device
799 * @listen_id_priv: listener cm id to match against
802 * cma_ib_acquire_dev() acquires cma device, port and SGID attribute when
803 * rdma device matches for listen_id and incoming request. It also verifies
811 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_ib_acquire_dev()
816 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_ib_acquire_dev()
817 id_priv->id.ps == RDMA_PS_IPOIB) in cma_ib_acquire_dev()
818 return -EINVAL; in cma_ib_acquire_dev()
820 if (rdma_protocol_roce(req->device, req->port)) in cma_ib_acquire_dev()
821 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_ib_acquire_dev()
824 memcpy(&gid, dev_addr->src_dev_addr + in cma_ib_acquire_dev()
827 gid_type = listen_id_priv->cma_dev->default_gid_type[req->port - 1]; in cma_ib_acquire_dev()
828 sgid_attr = cma_validate_port(req->device, req->port, in cma_ib_acquire_dev()
833 id_priv->id.port_num = req->port; in cma_ib_acquire_dev()
836 * of cma_dev->id_list such as cma_netdev_callback() and in cma_ib_acquire_dev()
840 cma_attach_to_dev(id_priv, listen_id_priv->cma_dev); in cma_ib_acquire_dev()
842 rdma_restrack_add(&id_priv->res); in cma_ib_acquire_dev()
849 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_iw_acquire_dev()
853 int ret = -ENODEV; in cma_iw_acquire_dev()
857 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_iw_acquire_dev()
858 id_priv->id.ps == RDMA_PS_IPOIB) in cma_iw_acquire_dev()
859 return -EINVAL; in cma_iw_acquire_dev()
861 memcpy(&gid, dev_addr->src_dev_addr + in cma_iw_acquire_dev()
866 cma_dev = listen_id_priv->cma_dev; in cma_iw_acquire_dev()
867 port = listen_id_priv->id.port_num; in cma_iw_acquire_dev()
868 gid_type = listen_id_priv->gid_type; in cma_iw_acquire_dev()
869 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_iw_acquire_dev()
872 id_priv->id.port_num = port; in cma_iw_acquire_dev()
879 rdma_for_each_port (cma_dev->device, port) { in cma_iw_acquire_dev()
880 if (listen_id_priv->cma_dev == cma_dev && in cma_iw_acquire_dev()
881 listen_id_priv->id.port_num == port) in cma_iw_acquire_dev()
884 gid_type = cma_dev->default_gid_type[port - 1]; in cma_iw_acquire_dev()
885 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_iw_acquire_dev()
888 id_priv->id.port_num = port; in cma_iw_acquire_dev()
899 rdma_restrack_add(&id_priv->res); in cma_iw_acquire_dev()
907 * Select the source IB device and address to reach the destination IB address.
922 dgid = (union ib_gid *) &addr->sib_addr; in cma_resolve_ib_dev()
923 pkey = ntohs(addr->sib_pkey); in cma_resolve_ib_dev()
927 rdma_for_each_port (cur_dev->device, p) { in cma_resolve_ib_dev()
928 if (!rdma_cap_af_ib(cur_dev->device, p)) in cma_resolve_ib_dev()
931 if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index)) in cma_resolve_ib_dev()
934 if (ib_get_cached_port_state(cur_dev->device, p, &port_state)) in cma_resolve_ib_dev()
937 for (i = 0; i < cur_dev->device->port_data[p].immutable.gid_tbl_len; in cma_resolve_ib_dev()
939 ret = rdma_query_gid(cur_dev->device, p, i, in cma_resolve_ib_dev()
947 id_priv->id.port_num = p; in cma_resolve_ib_dev()
952 dgid->global.subnet_prefix) && in cma_resolve_ib_dev()
956 id_priv->id.port_num = p; in cma_resolve_ib_dev()
963 return -ENODEV; in cma_resolve_ib_dev()
967 rdma_restrack_add(&id_priv->res); in cma_resolve_ib_dev()
970 memcpy(&addr->sib_addr, &sgid, sizeof(sgid)); in cma_resolve_ib_dev()
971 cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr); in cma_resolve_ib_dev()
977 refcount_inc(&id_priv->refcount); in cma_id_get()
982 if (refcount_dec_and_test(&id_priv->refcount)) in cma_id_put()
983 complete(&id_priv->comp); in cma_id_put()
995 return ERR_PTR(-ENOMEM); in __rdma_create_id()
997 id_priv->state = RDMA_CM_IDLE; in __rdma_create_id()
998 id_priv->id.context = context; in __rdma_create_id()
999 id_priv->id.event_handler = event_handler; in __rdma_create_id()
1000 id_priv->id.ps = ps; in __rdma_create_id()
1001 id_priv->id.qp_type = qp_type; in __rdma_create_id()
1002 id_priv->tos_set = false; in __rdma_create_id()
1003 id_priv->timeout_set = false; in __rdma_create_id()
1004 id_priv->min_rnr_timer_set = false; in __rdma_create_id()
1005 id_priv->gid_type = IB_GID_TYPE_IB; in __rdma_create_id()
1006 spin_lock_init(&id_priv->lock); in __rdma_create_id()
1007 mutex_init(&id_priv->qp_mutex); in __rdma_create_id()
1008 init_completion(&id_priv->comp); in __rdma_create_id()
1009 refcount_set(&id_priv->refcount, 1); in __rdma_create_id()
1010 mutex_init(&id_priv->handler_mutex); in __rdma_create_id()
1011 INIT_LIST_HEAD(&id_priv->device_item); in __rdma_create_id()
1012 INIT_LIST_HEAD(&id_priv->id_list_entry); in __rdma_create_id()
1013 INIT_LIST_HEAD(&id_priv->listen_list); in __rdma_create_id()
1014 INIT_LIST_HEAD(&id_priv->mc_list); in __rdma_create_id()
1015 get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); in __rdma_create_id()
1016 id_priv->id.route.addr.dev_addr.net = get_net(net); in __rdma_create_id()
1017 id_priv->seq_num &= 0x00ffffff; in __rdma_create_id()
1019 rdma_restrack_new(&id_priv->res, RDMA_RESTRACK_CM_ID); in __rdma_create_id()
1021 rdma_restrack_parent_name(&id_priv->res, &parent->res); in __rdma_create_id()
1037 rdma_restrack_set_name(&ret->res, caller); in __rdma_create_kernel_id()
1038 return &ret->id; in __rdma_create_kernel_id()
1049 ret = __rdma_create_id(current->nsproxy->net_ns, event_handler, context, in rdma_create_user_id()
1054 rdma_restrack_set_name(&ret->res, NULL); in rdma_create_user_id()
1055 return &ret->id; in rdma_create_user_id()
1065 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_init_ud_qp()
1091 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_init_conn_qp()
1098 int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd, in rdma_create_qp() argument
1105 id_priv = container_of(id, struct rdma_id_private, id); in rdma_create_qp()
1106 if (id->device != pd->device) { in rdma_create_qp()
1107 ret = -EINVAL; in rdma_create_qp()
1111 qp_init_attr->port_num = id->port_num; in rdma_create_qp()
1118 if (id->qp_type == IB_QPT_UD) in rdma_create_qp()
1125 id->qp = qp; in rdma_create_qp()
1126 id_priv->qp_num = qp->qp_num; in rdma_create_qp()
1127 id_priv->srq = (qp->srq != NULL); in rdma_create_qp()
1138 void rdma_destroy_qp(struct rdma_cm_id *id) in rdma_destroy_qp() argument
1142 id_priv = container_of(id, struct rdma_id_private, id); in rdma_destroy_qp()
1144 mutex_lock(&id_priv->qp_mutex); in rdma_destroy_qp()
1145 ib_destroy_qp(id_priv->id.qp); in rdma_destroy_qp()
1146 id_priv->id.qp = NULL; in rdma_destroy_qp()
1147 mutex_unlock(&id_priv->qp_mutex); in rdma_destroy_qp()
1157 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_rtr()
1158 if (!id_priv->id.qp) { in cma_modify_qp_rtr()
1165 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rtr()
1169 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rtr()
1174 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rtr()
1178 BUG_ON(id_priv->cma_dev->device != id_priv->id.device); in cma_modify_qp_rtr()
1181 qp_attr.max_dest_rd_atomic = conn_param->responder_resources; in cma_modify_qp_rtr()
1182 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rtr()
1184 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_rtr()
1194 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_rts()
1195 if (!id_priv->id.qp) { in cma_modify_qp_rts()
1201 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rts()
1206 qp_attr.max_rd_atomic = conn_param->initiator_depth; in cma_modify_qp_rts()
1207 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rts()
1209 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_rts()
1218 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_err()
1219 if (!id_priv->id.qp) { in cma_modify_qp_err()
1225 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, IB_QP_STATE); in cma_modify_qp_err()
1227 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_err()
1234 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_ib_init_qp_attr()
1238 if (rdma_cap_eth_ah(id_priv->id.device, id_priv->id.port_num)) in cma_ib_init_qp_attr()
1243 ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num, in cma_ib_init_qp_attr()
1244 pkey, &qp_attr->pkey_index); in cma_ib_init_qp_attr()
1248 qp_attr->port_num = id_priv->id.port_num; in cma_ib_init_qp_attr()
1251 if (id_priv->id.qp_type == IB_QPT_UD) { in cma_ib_init_qp_attr()
1256 qp_attr->qkey = id_priv->qkey; in cma_ib_init_qp_attr()
1259 qp_attr->qp_access_flags = 0; in cma_ib_init_qp_attr()
1265 int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, in rdma_init_qp_attr() argument
1271 id_priv = container_of(id, struct rdma_id_private, id); in rdma_init_qp_attr()
1272 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_init_qp_attr()
1273 if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD)) in rdma_init_qp_attr()
1276 ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, qp_attr, in rdma_init_qp_attr()
1279 if (qp_attr->qp_state == IB_QPS_RTR) in rdma_init_qp_attr()
1280 qp_attr->rq_psn = id_priv->seq_num; in rdma_init_qp_attr()
1281 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_init_qp_attr()
1282 if (!id_priv->cm_id.iw) { in rdma_init_qp_attr()
1283 qp_attr->qp_access_flags = 0; in rdma_init_qp_attr()
1286 ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr, in rdma_init_qp_attr()
1288 qp_attr->port_num = id_priv->id.port_num; in rdma_init_qp_attr()
1291 ret = -ENOSYS; in rdma_init_qp_attr()
1294 if ((*qp_attr_mask & IB_QP_TIMEOUT) && id_priv->timeout_set) in rdma_init_qp_attr()
1295 qp_attr->timeout = id_priv->timeout; in rdma_init_qp_attr()
1297 if ((*qp_attr_mask & IB_QP_MIN_RNR_TIMER) && id_priv->min_rnr_timer_set) in rdma_init_qp_attr()
1298 qp_attr->min_rnr_timer = id_priv->min_rnr_timer; in rdma_init_qp_attr()
1306 switch (addr->sa_family) { in cma_zero_addr()
1308 return ipv4_is_zeronet(((struct sockaddr_in *)addr)->sin_addr.s_addr); in cma_zero_addr()
1310 return ipv6_addr_any(&((struct sockaddr_in6 *)addr)->sin6_addr); in cma_zero_addr()
1312 return ib_addr_any(&((struct sockaddr_ib *)addr)->sib_addr); in cma_zero_addr()
1320 switch (addr->sa_family) { in cma_loopback_addr()
1323 ((struct sockaddr_in *)addr)->sin_addr.s_addr); in cma_loopback_addr()
1326 &((struct sockaddr_in6 *)addr)->sin6_addr); in cma_loopback_addr()
1329 &((struct sockaddr_ib *)addr)->sib_addr); in cma_loopback_addr()
1342 if (src->sa_family != dst->sa_family) in cma_addr_cmp()
1343 return -1; in cma_addr_cmp()
1345 switch (src->sa_family) { in cma_addr_cmp()
1347 return ((struct sockaddr_in *)src)->sin_addr.s_addr != in cma_addr_cmp()
1348 ((struct sockaddr_in *)dst)->sin_addr.s_addr; in cma_addr_cmp()
1354 if (ipv6_addr_cmp(&src_addr6->sin6_addr, in cma_addr_cmp()
1355 &dst_addr6->sin6_addr)) in cma_addr_cmp()
1357 link_local = ipv6_addr_type(&dst_addr6->sin6_addr) & in cma_addr_cmp()
1360 return link_local ? (src_addr6->sin6_scope_id != in cma_addr_cmp()
1361 dst_addr6->sin6_scope_id) : in cma_addr_cmp()
1366 return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr, in cma_addr_cmp()
1367 &((struct sockaddr_ib *) dst)->sib_addr); in cma_addr_cmp()
1375 switch (addr->sa_family) { in cma_port()
1377 return ((struct sockaddr_in *) addr)->sin_port; in cma_port()
1379 return ((struct sockaddr_in6 *) addr)->sin6_port; in cma_port()
1382 return htons((u16) (be64_to_cpu(sib->sib_sid) & in cma_port()
1383 be64_to_cpu(sib->sib_sid_mask))); in cma_port()
1401 listen_ib = (struct sockaddr_ib *) &listen_id->route.addr.src_addr; in cma_save_ib_info()
1404 ib->sib_family = AF_IB; in cma_save_ib_info()
1406 ib->sib_pkey = path->pkey; in cma_save_ib_info()
1407 ib->sib_flowinfo = path->flow_label; in cma_save_ib_info()
1408 memcpy(&ib->sib_addr, &path->sgid, 16); in cma_save_ib_info()
1409 ib->sib_sid = path->service_id; in cma_save_ib_info()
1410 ib->sib_scope_id = 0; in cma_save_ib_info()
1412 ib->sib_pkey = listen_ib->sib_pkey; in cma_save_ib_info()
1413 ib->sib_flowinfo = listen_ib->sib_flowinfo; in cma_save_ib_info()
1414 ib->sib_addr = listen_ib->sib_addr; in cma_save_ib_info()
1415 ib->sib_sid = listen_ib->sib_sid; in cma_save_ib_info()
1416 ib->sib_scope_id = listen_ib->sib_scope_id; in cma_save_ib_info()
1418 ib->sib_sid_mask = cpu_to_be64(0xffffffffffffffffULL); in cma_save_ib_info()
1422 ib->sib_family = AF_IB; in cma_save_ib_info()
1424 ib->sib_pkey = path->pkey; in cma_save_ib_info()
1425 ib->sib_flowinfo = path->flow_label; in cma_save_ib_info()
1426 memcpy(&ib->sib_addr, &path->dgid, 16); in cma_save_ib_info()
1439 .sin_addr.s_addr = hdr->dst_addr.ip4.addr, in cma_save_ip4_info()
1447 .sin_addr.s_addr = hdr->src_addr.ip4.addr, in cma_save_ip4_info()
1448 .sin_port = hdr->port, in cma_save_ip4_info()
1461 .sin6_addr = hdr->dst_addr.ip6, in cma_save_ip6_info()
1469 .sin6_addr = hdr->src_addr.ip6, in cma_save_ip6_info()
1470 .sin6_port = hdr->port, in cma_save_ip6_info()
1488 hdr = ib_event->private_data; in cma_save_ip_info()
1489 if (hdr->cma_version != CMA_VERSION) in cma_save_ip_info()
1490 return -EINVAL; in cma_save_ip_info()
1504 return -EAFNOSUPPORT; in cma_save_ip_info()
1517 if (ib_event->event == IB_CM_REQ_RECEIVED) in cma_save_net_info()
1519 ib_event->param.req_rcvd.primary_path); in cma_save_net_info()
1520 else if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) in cma_save_net_info()
1532 &ib_event->param.req_rcvd; in cma_save_req_info()
1534 &ib_event->param.sidr_req_rcvd; in cma_save_req_info()
1536 switch (ib_event->event) { in cma_save_req_info()
1538 req->device = req_param->listen_id->device; in cma_save_req_info()
1539 req->port = req_param->port; in cma_save_req_info()
1540 memcpy(&req->local_gid, &req_param->primary_path->sgid, in cma_save_req_info()
1541 sizeof(req->local_gid)); in cma_save_req_info()
1542 req->has_gid = true; in cma_save_req_info()
1543 req->service_id = req_param->primary_path->service_id; in cma_save_req_info()
1544 req->pkey = be16_to_cpu(req_param->primary_path->pkey); in cma_save_req_info()
1545 if (req->pkey != req_param->bth_pkey) in cma_save_req_info()
1548 req_param->bth_pkey, req->pkey); in cma_save_req_info()
1551 req->device = sidr_param->listen_id->device; in cma_save_req_info()
1552 req->port = sidr_param->port; in cma_save_req_info()
1553 req->has_gid = false; in cma_save_req_info()
1554 req->service_id = sidr_param->service_id; in cma_save_req_info()
1555 req->pkey = sidr_param->pkey; in cma_save_req_info()
1556 if (req->pkey != sidr_param->bth_pkey) in cma_save_req_info()
1559 sidr_param->bth_pkey, req->pkey); in cma_save_req_info()
1562 return -EINVAL; in cma_save_req_info()
1572 __be32 daddr = dst_addr->sin_addr.s_addr, in validate_ipv4_net_dev()
1573 saddr = src_addr->sin_addr.s_addr; in validate_ipv4_net_dev()
1586 fl4.flowi4_oif = net_dev->ifindex; in validate_ipv4_net_dev()
1603 const int strict = ipv6_addr_type(&dst_addr->sin6_addr) & in validate_ipv6_net_dev()
1605 struct rt6_info *rt = rt6_lookup(dev_net(net_dev), &dst_addr->sin6_addr, in validate_ipv6_net_dev()
1606 &src_addr->sin6_addr, net_dev->ifindex, in validate_ipv6_net_dev()
1613 ret = rt->rt6i_idev->dev == net_dev; in validate_ipv6_net_dev()
1631 switch (daddr->sa_family) { in validate_net_dev()
1633 return saddr->sa_family == AF_INET && in validate_net_dev()
1637 return saddr->sa_family == AF_INET6 && in validate_net_dev()
1651 if (ib_event->event == IB_CM_REQ_RECEIVED) in roce_get_net_dev_by_cm_event()
1652 sgid_attr = ib_event->param.req_rcvd.ppath_sgid_attr; in roce_get_net_dev_by_cm_event()
1653 else if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) in roce_get_net_dev_by_cm_event()
1654 sgid_attr = ib_event->param.sidr_req_rcvd.sgid_attr; in roce_get_net_dev_by_cm_event()
1673 (struct sockaddr *)&req->listen_addr_storage; in cma_get_net_dev()
1674 struct sockaddr *src_addr = (struct sockaddr *)&req->src_addr_storage; in cma_get_net_dev()
1676 const union ib_gid *gid = req->has_gid ? &req->local_gid : NULL; in cma_get_net_dev()
1680 req->service_id); in cma_get_net_dev()
1684 if (rdma_protocol_roce(req->device, req->port)) in cma_get_net_dev()
1687 net_dev = ib_get_net_dev_by_params(req->device, req->port, in cma_get_net_dev()
1688 req->pkey, in cma_get_net_dev()
1691 return ERR_PTR(-ENODEV); in cma_get_net_dev()
1708 if (cma_any_addr(addr) && !id_priv->afonly) in cma_match_private_data()
1711 switch (addr->sa_family) { in cma_match_private_data()
1713 ip4_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr; in cma_match_private_data()
1717 hdr->dst_addr.ip4.addr != ip4_addr) in cma_match_private_data()
1721 ip6_addr = ((struct sockaddr_in6 *)addr)->sin6_addr; in cma_match_private_data()
1725 memcmp(&hdr->dst_addr.ip6, &ip6_addr, sizeof(ip6_addr))) in cma_match_private_data()
1737 static bool cma_protocol_roce(const struct rdma_cm_id *id) in cma_protocol_roce() argument
1739 struct ib_device *device = id->device; in cma_protocol_roce() local
1740 const u32 port_num = id->port_num ?: rdma_start_port(device); in cma_protocol_roce()
1742 return rdma_protocol_roce(device, port_num); in cma_protocol_roce()
1748 (const struct sockaddr *)&req->listen_addr_storage; in cma_is_req_ipv6_ll()
1752 return (daddr->sa_family == AF_INET6 && in cma_is_req_ipv6_ll()
1753 (ipv6_addr_type(&daddr6->sin6_addr) & IPV6_ADDR_LINKLOCAL)); in cma_is_req_ipv6_ll()
1756 static bool cma_match_net_dev(const struct rdma_cm_id *id, in cma_match_net_dev() argument
1760 const struct rdma_addr *addr = &id->route.addr; in cma_match_net_dev()
1764 return (!id->port_num || id->port_num == req->port) && in cma_match_net_dev()
1765 (addr->src_addr.ss_family == AF_IB); in cma_match_net_dev()
1769 * request to any netdevice of the one or multiport rdma device. in cma_match_net_dev()
1777 if (net_eq(dev_net(net_dev), addr->dev_addr.net) && in cma_match_net_dev()
1778 (!!addr->dev_addr.bound_dev_if == in cma_match_net_dev()
1779 (addr->dev_addr.bound_dev_if == net_dev->ifindex))) in cma_match_net_dev()
1797 return ERR_PTR(-EINVAL); in cma_find_listener()
1799 hlist_for_each_entry(id_priv, &bind_list->owners, node) { in cma_find_listener()
1800 if (cma_match_private_data(id_priv, ib_event->private_data)) { in cma_find_listener()
1801 if (id_priv->id.device == cm_id->device && in cma_find_listener()
1802 cma_match_net_dev(&id_priv->id, net_dev, req)) in cma_find_listener()
1805 &id_priv->listen_list, in cma_find_listener()
1807 if (id_priv_dev->id.device == cm_id->device && in cma_find_listener()
1808 cma_match_net_dev(&id_priv_dev->id, in cma_find_listener()
1815 return ERR_PTR(-EINVAL); in cma_find_listener()
1834 if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) { in cma_ib_id_from_event()
1851 * If the device state is not IFF_UP, its properties such as ifindex in cma_ib_id_from_event()
1854 * ongoing operations on net device after device is closed using in cma_ib_id_from_event()
1865 if (((*net_dev)->flags & IFF_UP) == 0) { in cma_ib_id_from_event()
1866 id_priv = ERR_PTR(-EHOSTUNREACH); in cma_ib_id_from_event()
1871 (struct sockaddr *)&req->src_addr_storage, in cma_ib_id_from_event()
1872 (struct sockaddr *)&req->listen_addr_storage)) { in cma_ib_id_from_event()
1873 id_priv = ERR_PTR(-EHOSTUNREACH); in cma_ib_id_from_event()
1879 rdma_ps_from_service_id(req->service_id), in cma_ib_id_from_event()
1880 cma_port_from_service_id(req->service_id)); in cma_ib_id_from_event()
1899 if (rdma_cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) { in cma_cancel_route()
1900 if (id_priv->query) in cma_cancel_route()
1901 ib_sa_cancel_query(id_priv->query_id, id_priv->query); in cma_cancel_route()
1915 list_del_init(&id_priv->listen_any_item); in _cma_cancel_listens()
1917 while (!list_empty(&id_priv->listen_list)) { in _cma_cancel_listens()
1919 list_first_entry(&id_priv->listen_list, in _cma_cancel_listens()
1921 /* sync with device removal to avoid duplicate destruction */ in _cma_cancel_listens()
1922 list_del_init(&dev_id_priv->device_item); in _cma_cancel_listens()
1923 list_del_init(&dev_id_priv->listen_item); in _cma_cancel_listens()
1926 rdma_destroy_id(&dev_id_priv->id); in _cma_cancel_listens()
1951 rdma_addr_cancel(&id_priv->id.route.addr.dev_addr); in cma_cancel_operation()
1957 if (cma_any_addr(cma_src_addr(id_priv)) && !id_priv->cma_dev) in cma_cancel_operation()
1967 struct rdma_bind_list *bind_list = id_priv->bind_list; in cma_release_port()
1968 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_release_port()
1974 hlist_del(&id_priv->node); in cma_release_port()
1975 if (hlist_empty(&bind_list->owners)) { in cma_release_port()
1976 cma_ps_remove(net, bind_list->ps, bind_list->port); in cma_release_port()
1985 bool send_only = mc->join_state == BIT(SENDONLY_FULLMEMBER_JOIN); in destroy_mc()
1987 if (rdma_cap_ib_mcast(id_priv->id.device, id_priv->id.port_num)) in destroy_mc()
1988 ib_sa_free_multicast(mc->sa_mc); in destroy_mc()
1990 if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) { in destroy_mc()
1992 &id_priv->id.route.addr.dev_addr; in destroy_mc()
1995 if (dev_addr->bound_dev_if) in destroy_mc()
1996 ndev = dev_get_by_index(dev_addr->net, in destroy_mc()
1997 dev_addr->bound_dev_if); in destroy_mc()
2002 gid_type = id_priv->cma_dev->default_gid_type in destroy_mc()
2003 [id_priv->id.port_num - in destroy_mc()
2005 id_priv->cma_dev->device)]; in destroy_mc()
2006 cma_iboe_set_mgid((struct sockaddr *)&mc->addr, &mgid, in destroy_mc()
2012 cancel_work_sync(&mc->iboe_join.work); in destroy_mc()
2021 while (!list_empty(&id_priv->mc_list)) { in cma_leave_mc_groups()
2022 mc = list_first_entry(&id_priv->mc_list, struct cma_multicast, in cma_leave_mc_groups()
2024 list_del(&mc->list); in cma_leave_mc_groups()
2034 rdma_restrack_del(&id_priv->res); in _destroy_id()
2036 if (id_priv->cma_dev) { in _destroy_id()
2037 if (rdma_cap_ib_cm(id_priv->id.device, 1)) { in _destroy_id()
2038 if (id_priv->cm_id.ib) in _destroy_id()
2039 ib_destroy_cm_id(id_priv->cm_id.ib); in _destroy_id()
2040 } else if (rdma_cap_iw_cm(id_priv->id.device, 1)) { in _destroy_id()
2041 if (id_priv->cm_id.iw) in _destroy_id()
2042 iw_destroy_cm_id(id_priv->cm_id.iw); in _destroy_id()
2050 wait_for_completion(&id_priv->comp); in _destroy_id()
2052 if (id_priv->internal_id) in _destroy_id()
2053 cma_id_put(id_priv->id.context); in _destroy_id()
2055 kfree(id_priv->id.route.path_rec); in _destroy_id()
2056 kfree(id_priv->id.route.path_rec_inbound); in _destroy_id()
2057 kfree(id_priv->id.route.path_rec_outbound); in _destroy_id()
2059 put_net(id_priv->id.route.addr.dev_addr.net); in _destroy_id()
2064 * destroy an ID from within the handler_mutex. This ensures that no other
2068 __releases(&idprv->handler_mutex) in destroy_id_handler_unlock()
2081 lockdep_assert_held(&id_priv->handler_mutex); in destroy_id_handler_unlock()
2082 spin_lock_irqsave(&id_priv->lock, flags); in destroy_id_handler_unlock()
2083 state = id_priv->state; in destroy_id_handler_unlock()
2084 id_priv->state = RDMA_CM_DESTROYING; in destroy_id_handler_unlock()
2085 spin_unlock_irqrestore(&id_priv->lock, flags); in destroy_id_handler_unlock()
2086 mutex_unlock(&id_priv->handler_mutex); in destroy_id_handler_unlock()
2090 void rdma_destroy_id(struct rdma_cm_id *id) in rdma_destroy_id() argument
2093 container_of(id, struct rdma_id_private, id); in rdma_destroy_id()
2095 mutex_lock(&id_priv->handler_mutex); in rdma_destroy_id()
2113 ret = ib_send_cm_rtu(id_priv->cm_id.ib, NULL, 0); in cma_rep_recv()
2122 ib_send_cm_rej(id_priv->cm_id.ib, IB_CM_REJ_CONSUMER_DEFINED, in cma_rep_recv()
2131 event->param.conn.private_data = private_data; in cma_set_rep_event_data()
2132 event->param.conn.private_data_len = IB_CM_REP_PRIVATE_DATA_SIZE; in cma_set_rep_event_data()
2133 event->param.conn.responder_resources = rep_data->responder_resources; in cma_set_rep_event_data()
2134 event->param.conn.initiator_depth = rep_data->initiator_depth; in cma_set_rep_event_data()
2135 event->param.conn.flow_control = rep_data->flow_control; in cma_set_rep_event_data()
2136 event->param.conn.rnr_retry_count = rep_data->rnr_retry_count; in cma_set_rep_event_data()
2137 event->param.conn.srq = rep_data->srq; in cma_set_rep_event_data()
2138 event->param.conn.qp_num = rep_data->remote_qpn; in cma_set_rep_event_data()
2140 event->ece.vendor_id = rep_data->ece.vendor_id; in cma_set_rep_event_data()
2141 event->ece.attr_mod = rep_data->ece.attr_mod; in cma_set_rep_event_data()
2149 lockdep_assert_held(&id_priv->handler_mutex); in cma_cm_event_handler()
2152 ret = id_priv->id.event_handler(&id_priv->id, event); in cma_cm_event_handler()
2160 struct rdma_id_private *id_priv = cm_id->context; in cma_ib_handler()
2165 mutex_lock(&id_priv->handler_mutex); in cma_ib_handler()
2166 state = READ_ONCE(id_priv->state); in cma_ib_handler()
2167 if ((ib_event->event != IB_CM_TIMEWAIT_EXIT && in cma_ib_handler()
2169 (ib_event->event == IB_CM_TIMEWAIT_EXIT && in cma_ib_handler()
2173 switch (ib_event->event) { in cma_ib_handler()
2177 event.status = -ETIMEDOUT; in cma_ib_handler()
2181 (id_priv->id.qp_type != IB_QPT_UD)) { in cma_ib_handler()
2185 if (id_priv->id.qp) { in cma_ib_handler()
2192 cma_set_rep_event_data(&event, &ib_event->param.rep_rcvd, in cma_ib_handler()
2193 ib_event->private_data); in cma_ib_handler()
2200 event.status = -ETIMEDOUT; in cma_ib_handler()
2216 pr_debug_ratelimited("RDMA CM: REJECTED: %s\n", rdma_reject_msg(&id_priv->id, in cma_ib_handler()
2217 ib_event->param.rej_rcvd.reason)); in cma_ib_handler()
2219 event.status = ib_event->param.rej_rcvd.reason; in cma_ib_handler()
2221 event.param.conn.private_data = ib_event->private_data; in cma_ib_handler()
2226 ib_event->event); in cma_ib_handler()
2232 /* Destroy the CM ID by returning a non-zero value. */ in cma_ib_handler()
2233 id_priv->cm_id.ib = NULL; in cma_ib_handler()
2238 mutex_unlock(&id_priv->handler_mutex); in cma_ib_handler()
2249 struct rdma_cm_id *id; in cma_ib_new_conn_id() local
2251 const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; in cma_ib_new_conn_id()
2252 struct sa_path_rec *path = ib_event->param.req_rcvd.primary_path; in cma_ib_new_conn_id()
2254 ib_event->param.req_rcvd.primary_path->service_id; in cma_ib_new_conn_id()
2257 listen_id_priv = container_of(listen_id, struct rdma_id_private, id); in cma_ib_new_conn_id()
2258 id_priv = __rdma_create_id(listen_id->route.addr.dev_addr.net, in cma_ib_new_conn_id()
2259 listen_id->event_handler, listen_id->context, in cma_ib_new_conn_id()
2260 listen_id->ps, in cma_ib_new_conn_id()
2261 ib_event->param.req_rcvd.qp_type, in cma_ib_new_conn_id()
2266 id = &id_priv->id; in cma_ib_new_conn_id()
2267 if (cma_save_net_info((struct sockaddr *)&id->route.addr.src_addr, in cma_ib_new_conn_id()
2268 (struct sockaddr *)&id->route.addr.dst_addr, in cma_ib_new_conn_id()
2272 rt = &id->route; in cma_ib_new_conn_id()
2273 rt->num_pri_alt_paths = ib_event->param.req_rcvd.alternate_path ? 2 : 1; in cma_ib_new_conn_id()
2274 rt->path_rec = kmalloc_array(rt->num_pri_alt_paths, in cma_ib_new_conn_id()
2275 sizeof(*rt->path_rec), GFP_KERNEL); in cma_ib_new_conn_id()
2276 if (!rt->path_rec) in cma_ib_new_conn_id()
2279 rt->path_rec[0] = *path; in cma_ib_new_conn_id()
2280 if (rt->num_pri_alt_paths == 2) in cma_ib_new_conn_id()
2281 rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path; in cma_ib_new_conn_id()
2284 rdma_copy_src_l2_addr(&rt->addr.dev_addr, net_dev); in cma_ib_new_conn_id()
2288 rt->addr.dev_addr.dev_type = ARPHRD_INFINIBAND; in cma_ib_new_conn_id()
2289 rdma_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid); in cma_ib_new_conn_id()
2290 ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey)); in cma_ib_new_conn_id()
2292 ret = cma_translate_addr(cma_src_addr(id_priv), &rt->addr.dev_addr); in cma_ib_new_conn_id()
2297 rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid); in cma_ib_new_conn_id()
2299 id_priv->state = RDMA_CM_CONNECT; in cma_ib_new_conn_id()
2303 rdma_destroy_id(id); in cma_ib_new_conn_id()
2314 struct rdma_cm_id *id; in cma_ib_new_udp_id() local
2315 const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; in cma_ib_new_udp_id()
2316 struct net *net = listen_id->route.addr.dev_addr.net; in cma_ib_new_udp_id()
2319 listen_id_priv = container_of(listen_id, struct rdma_id_private, id); in cma_ib_new_udp_id()
2320 id_priv = __rdma_create_id(net, listen_id->event_handler, in cma_ib_new_udp_id()
2321 listen_id->context, listen_id->ps, IB_QPT_UD, in cma_ib_new_udp_id()
2326 id = &id_priv->id; in cma_ib_new_udp_id()
2327 if (cma_save_net_info((struct sockaddr *)&id->route.addr.src_addr, in cma_ib_new_udp_id()
2328 (struct sockaddr *)&id->route.addr.dst_addr, in cma_ib_new_udp_id()
2330 ib_event->param.sidr_req_rcvd.service_id)) in cma_ib_new_udp_id()
2334 rdma_copy_src_l2_addr(&id->route.addr.dev_addr, net_dev); in cma_ib_new_udp_id()
2338 &id->route.addr.dev_addr); in cma_ib_new_udp_id()
2344 id_priv->state = RDMA_CM_CONNECT; in cma_ib_new_udp_id()
2347 rdma_destroy_id(id); in cma_ib_new_udp_id()
2355 event->param.conn.private_data = private_data + offset; in cma_set_req_event_data()
2356 event->param.conn.private_data_len = IB_CM_REQ_PRIVATE_DATA_SIZE - offset; in cma_set_req_event_data()
2357 event->param.conn.responder_resources = req_data->responder_resources; in cma_set_req_event_data()
2358 event->param.conn.initiator_depth = req_data->initiator_depth; in cma_set_req_event_data()
2359 event->param.conn.flow_control = req_data->flow_control; in cma_set_req_event_data()
2360 event->param.conn.retry_count = req_data->retry_count; in cma_set_req_event_data()
2361 event->param.conn.rnr_retry_count = req_data->rnr_retry_count; in cma_set_req_event_data()
2362 event->param.conn.srq = req_data->srq; in cma_set_req_event_data()
2363 event->param.conn.qp_num = req_data->remote_qpn; in cma_set_req_event_data()
2365 event->ece.vendor_id = req_data->ece.vendor_id; in cma_set_req_event_data()
2366 event->ece.attr_mod = req_data->ece.attr_mod; in cma_set_req_event_data()
2369 static int cma_ib_check_req_qp_type(const struct rdma_cm_id *id, in cma_ib_check_req_qp_type() argument
2372 return (((ib_event->event == IB_CM_REQ_RECEIVED) && in cma_ib_check_req_qp_type()
2373 (ib_event->param.req_rcvd.qp_type == id->qp_type)) || in cma_ib_check_req_qp_type()
2374 ((ib_event->event == IB_CM_SIDR_REQ_RECEIVED) && in cma_ib_check_req_qp_type()
2375 (id->qp_type == IB_QPT_UD)) || in cma_ib_check_req_qp_type()
2376 (!id->qp_type)); in cma_ib_check_req_qp_type()
2393 trace_cm_req_handler(listen_id, ib_event->event); in cma_ib_req_handler()
2394 if (!cma_ib_check_req_qp_type(&listen_id->id, ib_event)) { in cma_ib_req_handler()
2395 ret = -EINVAL; in cma_ib_req_handler()
2399 mutex_lock(&listen_id->handler_mutex); in cma_ib_req_handler()
2400 if (READ_ONCE(listen_id->state) != RDMA_CM_LISTEN) { in cma_ib_req_handler()
2401 ret = -ECONNABORTED; in cma_ib_req_handler()
2407 if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) { in cma_ib_req_handler()
2408 conn_id = cma_ib_new_udp_id(&listen_id->id, ib_event, net_dev); in cma_ib_req_handler()
2409 event.param.ud.private_data = ib_event->private_data + offset; in cma_ib_req_handler()
2411 IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE - offset; in cma_ib_req_handler()
2413 conn_id = cma_ib_new_conn_id(&listen_id->id, ib_event, net_dev); in cma_ib_req_handler()
2414 cma_set_req_event_data(&event, &ib_event->param.req_rcvd, in cma_ib_req_handler()
2415 ib_event->private_data, offset); in cma_ib_req_handler()
2418 ret = -ENOMEM; in cma_ib_req_handler()
2422 mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); in cma_ib_req_handler()
2429 conn_id->cm_id.ib = cm_id; in cma_ib_req_handler()
2430 cm_id->context = conn_id; in cma_ib_req_handler()
2431 cm_id->cm_handler = cma_ib_handler; in cma_ib_req_handler()
2435 /* Destroy the CM ID by returning a non-zero value. */ in cma_ib_req_handler()
2436 conn_id->cm_id.ib = NULL; in cma_ib_req_handler()
2437 mutex_unlock(&listen_id->handler_mutex); in cma_ib_req_handler()
2442 if (READ_ONCE(conn_id->state) == RDMA_CM_CONNECT && in cma_ib_req_handler()
2443 conn_id->id.qp_type != IB_QPT_UD) { in cma_ib_req_handler()
2444 trace_cm_send_mra(cm_id->context); in cma_ib_req_handler()
2447 mutex_unlock(&conn_id->handler_mutex); in cma_ib_req_handler()
2450 mutex_unlock(&listen_id->handler_mutex); in cma_ib_req_handler()
2458 __be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_get_service_id() argument
2460 if (addr->sa_family == AF_IB) in rdma_get_service_id()
2461 return ((struct sockaddr_ib *) addr)->sib_sid; in rdma_get_service_id()
2463 return cpu_to_be64(((u64)id->ps << 16) + be16_to_cpu(cma_port(addr))); in rdma_get_service_id()
2470 struct rdma_addr *addr = &cm_id->route.addr; in rdma_read_gids()
2472 if (!cm_id->device) { in rdma_read_gids()
2480 if (rdma_protocol_roce(cm_id->device, cm_id->port_num)) { in rdma_read_gids()
2482 rdma_ip2gid((struct sockaddr *)&addr->src_addr, sgid); in rdma_read_gids()
2484 rdma_ip2gid((struct sockaddr *)&addr->dst_addr, dgid); in rdma_read_gids()
2487 rdma_addr_get_sgid(&addr->dev_addr, sgid); in rdma_read_gids()
2489 rdma_addr_get_dgid(&addr->dev_addr, dgid); in rdma_read_gids()
2496 struct rdma_id_private *id_priv = iw_id->context; in cma_iw_handler()
2499 struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; in cma_iw_handler()
2500 struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; in cma_iw_handler()
2502 mutex_lock(&id_priv->handler_mutex); in cma_iw_handler()
2503 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in cma_iw_handler()
2506 switch (iw_event->event) { in cma_iw_handler()
2515 switch (iw_event->status) { in cma_iw_handler()
2518 event.param.conn.initiator_depth = iw_event->ird; in cma_iw_handler()
2519 event.param.conn.responder_resources = iw_event->ord; in cma_iw_handler()
2521 case -ECONNRESET: in cma_iw_handler()
2522 case -ECONNREFUSED: in cma_iw_handler()
2525 case -ETIMEDOUT: in cma_iw_handler()
2535 event.param.conn.initiator_depth = iw_event->ird; in cma_iw_handler()
2536 event.param.conn.responder_resources = iw_event->ord; in cma_iw_handler()
2542 event.status = iw_event->status; in cma_iw_handler()
2543 event.param.conn.private_data = iw_event->private_data; in cma_iw_handler()
2544 event.param.conn.private_data_len = iw_event->private_data_len; in cma_iw_handler()
2547 /* Destroy the CM ID by returning a non-zero value. */ in cma_iw_handler()
2548 id_priv->cm_id.iw = NULL; in cma_iw_handler()
2554 mutex_unlock(&id_priv->handler_mutex); in cma_iw_handler()
2563 int ret = -ECONNABORTED; in iw_conn_req_handler()
2564 struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; in iw_conn_req_handler()
2565 struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; in iw_conn_req_handler()
2568 event.param.conn.private_data = iw_event->private_data; in iw_conn_req_handler()
2569 event.param.conn.private_data_len = iw_event->private_data_len; in iw_conn_req_handler()
2570 event.param.conn.initiator_depth = iw_event->ird; in iw_conn_req_handler()
2571 event.param.conn.responder_resources = iw_event->ord; in iw_conn_req_handler()
2573 listen_id = cm_id->context; in iw_conn_req_handler()
2575 mutex_lock(&listen_id->handler_mutex); in iw_conn_req_handler()
2576 if (READ_ONCE(listen_id->state) != RDMA_CM_LISTEN) in iw_conn_req_handler()
2579 /* Create a new RDMA id for the new IW CM ID */ in iw_conn_req_handler()
2580 conn_id = __rdma_create_id(listen_id->id.route.addr.dev_addr.net, in iw_conn_req_handler()
2581 listen_id->id.event_handler, in iw_conn_req_handler()
2582 listen_id->id.context, RDMA_PS_TCP, in iw_conn_req_handler()
2585 ret = -ENOMEM; in iw_conn_req_handler()
2588 mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); in iw_conn_req_handler()
2589 conn_id->state = RDMA_CM_CONNECT; in iw_conn_req_handler()
2591 ret = rdma_translate_ip(laddr, &conn_id->id.route.addr.dev_addr); in iw_conn_req_handler()
2593 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2600 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2605 conn_id->cm_id.iw = cm_id; in iw_conn_req_handler()
2606 cm_id->context = conn_id; in iw_conn_req_handler()
2607 cm_id->cm_handler = cma_iw_handler; in iw_conn_req_handler()
2614 /* User wants to destroy the CM ID */ in iw_conn_req_handler()
2615 conn_id->cm_id.iw = NULL; in iw_conn_req_handler()
2616 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2621 mutex_unlock(&conn_id->handler_mutex); in iw_conn_req_handler()
2624 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2631 struct ib_cm_id *id; in cma_ib_listen() local
2635 svc_id = rdma_get_service_id(&id_priv->id, addr); in cma_ib_listen()
2636 id = ib_cm_insert_listen(id_priv->id.device, in cma_ib_listen()
2638 if (IS_ERR(id)) in cma_ib_listen()
2639 return PTR_ERR(id); in cma_ib_listen()
2640 id_priv->cm_id.ib = id; in cma_ib_listen()
2648 struct iw_cm_id *id; in cma_iw_listen() local
2650 id = iw_create_cm_id(id_priv->id.device, in cma_iw_listen()
2653 if (IS_ERR(id)) in cma_iw_listen()
2654 return PTR_ERR(id); in cma_iw_listen()
2656 mutex_lock(&id_priv->qp_mutex); in cma_iw_listen()
2657 id->tos = id_priv->tos; in cma_iw_listen()
2658 id->tos_set = id_priv->tos_set; in cma_iw_listen()
2659 mutex_unlock(&id_priv->qp_mutex); in cma_iw_listen()
2660 id->afonly = id_priv->afonly; in cma_iw_listen()
2661 id_priv->cm_id.iw = id; in cma_iw_listen()
2663 memcpy(&id_priv->cm_id.iw->local_addr, cma_src_addr(id_priv), in cma_iw_listen()
2666 ret = iw_cm_listen(id_priv->cm_id.iw, backlog); in cma_iw_listen()
2669 iw_destroy_cm_id(id_priv->cm_id.iw); in cma_iw_listen()
2670 id_priv->cm_id.iw = NULL; in cma_iw_listen()
2676 static int cma_listen_handler(struct rdma_cm_id *id, in cma_listen_handler() argument
2679 struct rdma_id_private *id_priv = id->context; in cma_listen_handler()
2682 if (event->event == RDMA_CM_EVENT_DEVICE_REMOVAL) in cma_listen_handler()
2683 return -1; in cma_listen_handler()
2685 id->context = id_priv->id.context; in cma_listen_handler()
2686 id->event_handler = id_priv->id.event_handler; in cma_listen_handler()
2688 return id_priv->id.event_handler(id, event); in cma_listen_handler()
2696 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_listen_on_dev()
2702 if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1)) in cma_listen_on_dev()
2707 id_priv->id.ps, id_priv->id.qp_type, id_priv); in cma_listen_on_dev()
2711 dev_id_priv->state = RDMA_CM_ADDR_BOUND; in cma_listen_on_dev()
2716 rdma_restrack_add(&dev_id_priv->res); in cma_listen_on_dev()
2718 dev_id_priv->internal_id = 1; in cma_listen_on_dev()
2719 dev_id_priv->afonly = id_priv->afonly; in cma_listen_on_dev()
2720 mutex_lock(&id_priv->qp_mutex); in cma_listen_on_dev()
2721 dev_id_priv->tos_set = id_priv->tos_set; in cma_listen_on_dev()
2722 dev_id_priv->tos = id_priv->tos; in cma_listen_on_dev()
2723 mutex_unlock(&id_priv->qp_mutex); in cma_listen_on_dev()
2725 ret = rdma_listen(&dev_id_priv->id, id_priv->backlog); in cma_listen_on_dev()
2728 list_add_tail(&dev_id_priv->listen_item, &id_priv->listen_list); in cma_listen_on_dev()
2733 dev_warn(&cma_dev->device->dev, "RDMA CMA: %s, error %d\n", __func__, ret); in cma_listen_on_dev()
2744 list_add_tail(&id_priv->listen_any_item, &listen_any_list); in cma_listen_on_all()
2750 list_del_init(&to_destroy->device_item); in cma_listen_on_all()
2761 rdma_destroy_id(&to_destroy->id); in cma_listen_on_all()
2765 void rdma_set_service_type(struct rdma_cm_id *id, int tos) in rdma_set_service_type() argument
2769 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_service_type()
2770 mutex_lock(&id_priv->qp_mutex); in rdma_set_service_type()
2771 id_priv->tos = (u8) tos; in rdma_set_service_type()
2772 id_priv->tos_set = true; in rdma_set_service_type()
2773 mutex_unlock(&id_priv->qp_mutex); in rdma_set_service_type()
2778 * rdma_set_ack_timeout() - Set the ack timeout of QP associated
2780 * @id: Communication identifier to associated with service type.
2792 int rdma_set_ack_timeout(struct rdma_cm_id *id, u8 timeout) in rdma_set_ack_timeout() argument
2796 if (id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_INI) in rdma_set_ack_timeout()
2797 return -EINVAL; in rdma_set_ack_timeout()
2799 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_ack_timeout()
2800 mutex_lock(&id_priv->qp_mutex); in rdma_set_ack_timeout()
2801 id_priv->timeout = timeout; in rdma_set_ack_timeout()
2802 id_priv->timeout_set = true; in rdma_set_ack_timeout()
2803 mutex_unlock(&id_priv->qp_mutex); in rdma_set_ack_timeout()
2810 * rdma_set_min_rnr_timer() - Set the minimum RNR Retry timer of the
2812 * @id: Communication identifier to associated with service type.
2813 * @min_rnr_timer: 5-bit value encoded as Table 45: "Encoding for RNR NAK
2827 int rdma_set_min_rnr_timer(struct rdma_cm_id *id, u8 min_rnr_timer) in rdma_set_min_rnr_timer() argument
2831 /* It is a five-bit value */ in rdma_set_min_rnr_timer()
2833 return -EINVAL; in rdma_set_min_rnr_timer()
2835 if (WARN_ON(id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_TGT)) in rdma_set_min_rnr_timer()
2836 return -EINVAL; in rdma_set_min_rnr_timer()
2838 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_min_rnr_timer()
2839 mutex_lock(&id_priv->qp_mutex); in rdma_set_min_rnr_timer()
2840 id_priv->min_rnr_timer = min_rnr_timer; in rdma_set_min_rnr_timer()
2841 id_priv->min_rnr_timer_set = true; in rdma_set_min_rnr_timer()
2842 mutex_unlock(&id_priv->qp_mutex); in rdma_set_min_rnr_timer()
2851 struct rdma_route *route = &work->id->id.route; in route_set_path_rec_inbound()
2853 if (!route->path_rec_inbound) { in route_set_path_rec_inbound()
2854 route->path_rec_inbound = in route_set_path_rec_inbound()
2855 kzalloc(sizeof(*route->path_rec_inbound), GFP_KERNEL); in route_set_path_rec_inbound()
2856 if (!route->path_rec_inbound) in route_set_path_rec_inbound()
2857 return -ENOMEM; in route_set_path_rec_inbound()
2860 *route->path_rec_inbound = *path_rec; in route_set_path_rec_inbound()
2867 struct rdma_route *route = &work->id->id.route; in route_set_path_rec_outbound()
2869 if (!route->path_rec_outbound) { in route_set_path_rec_outbound()
2870 route->path_rec_outbound = in route_set_path_rec_outbound()
2871 kzalloc(sizeof(*route->path_rec_outbound), GFP_KERNEL); in route_set_path_rec_outbound()
2872 if (!route->path_rec_outbound) in route_set_path_rec_outbound()
2873 return -ENOMEM; in route_set_path_rec_outbound()
2876 *route->path_rec_outbound = *path_rec; in route_set_path_rec_outbound()
2887 route = &work->id->id.route; in cma_query_handler()
2894 *route->path_rec = path_rec[i]; in cma_query_handler()
2901 status = -EINVAL; in cma_query_handler()
2907 route->num_pri_alt_paths = 1; in cma_query_handler()
2908 queue_work(cma_wq, &work->work); in cma_query_handler()
2912 work->old_state = RDMA_CM_ROUTE_QUERY; in cma_query_handler()
2913 work->new_state = RDMA_CM_ADDR_RESOLVED; in cma_query_handler()
2914 work->event.event = RDMA_CM_EVENT_ROUTE_ERROR; in cma_query_handler()
2915 work->event.status = status; in cma_query_handler()
2918 queue_work(cma_wq, &work->work); in cma_query_handler()
2924 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_query_ib_route()
2932 if (rdma_cap_opa_ah(id_priv->id.device, id_priv->id.port_num)) in cma_query_ib_route()
2941 path_rec.service_id = rdma_get_service_id(&id_priv->id, in cma_query_ib_route()
2950 path_rec.qos_class = cpu_to_be16((u16) id_priv->tos); in cma_query_ib_route()
2955 path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20); in cma_query_ib_route()
2960 path_rec.traffic_class = (u8) (be32_to_cpu(sib->sib_flowinfo) >> 20); in cma_query_ib_route()
2965 id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device, in cma_query_ib_route()
2966 id_priv->id.port_num, &path_rec, in cma_query_ib_route()
2969 work, &id_priv->query); in cma_query_ib_route()
2971 return (id_priv->query_id < 0) ? id_priv->query_id : 0; in cma_query_ib_route()
2978 struct rdma_cm_event *event = &mc->iboe_join.event; in cma_iboe_join_work_handler()
2979 struct rdma_id_private *id_priv = mc->id_priv; in cma_iboe_join_work_handler()
2982 mutex_lock(&id_priv->handler_mutex); in cma_iboe_join_work_handler()
2983 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_iboe_join_work_handler()
2984 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_iboe_join_work_handler()
2991 mutex_unlock(&id_priv->handler_mutex); in cma_iboe_join_work_handler()
2992 if (event->event == RDMA_CM_EVENT_MULTICAST_JOIN) in cma_iboe_join_work_handler()
2993 rdma_destroy_ah_attr(&event->param.ud.ah_attr); in cma_iboe_join_work_handler()
2999 struct rdma_id_private *id_priv = work->id; in cma_work_handler()
3001 mutex_lock(&id_priv->handler_mutex); in cma_work_handler()
3002 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_work_handler()
3003 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_work_handler()
3005 if (work->old_state != 0 || work->new_state != 0) { in cma_work_handler()
3006 if (!cma_comp_exch(id_priv, work->old_state, work->new_state)) in cma_work_handler()
3010 if (cma_cm_event_handler(id_priv, &work->event)) { in cma_work_handler()
3017 mutex_unlock(&id_priv->handler_mutex); in cma_work_handler()
3020 if (work->event.event == RDMA_CM_EVENT_MULTICAST_JOIN) in cma_work_handler()
3021 rdma_destroy_ah_attr(&work->event.param.ud.ah_attr); in cma_work_handler()
3028 work->id = id_priv; in cma_init_resolve_route_work()
3029 INIT_WORK(&work->work, cma_work_handler); in cma_init_resolve_route_work()
3030 work->old_state = RDMA_CM_ROUTE_QUERY; in cma_init_resolve_route_work()
3031 work->new_state = RDMA_CM_ROUTE_RESOLVED; in cma_init_resolve_route_work()
3032 work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; in cma_init_resolve_route_work()
3041 work->id = id_priv; in enqueue_resolve_addr_work()
3042 INIT_WORK(&work->work, cma_work_handler); in enqueue_resolve_addr_work()
3043 work->old_state = RDMA_CM_ADDR_QUERY; in enqueue_resolve_addr_work()
3044 work->new_state = RDMA_CM_ADDR_RESOLVED; in enqueue_resolve_addr_work()
3045 work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED; in enqueue_resolve_addr_work()
3047 queue_work(cma_wq, &work->work); in enqueue_resolve_addr_work()
3053 struct rdma_route *route = &id_priv->id.route; in cma_resolve_ib_route()
3059 return -ENOMEM; in cma_resolve_ib_route()
3063 if (!route->path_rec) in cma_resolve_ib_route()
3064 route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL); in cma_resolve_ib_route()
3065 if (!route->path_rec) { in cma_resolve_ib_route()
3066 ret = -ENOMEM; in cma_resolve_ib_route()
3076 kfree(route->path_rec); in cma_resolve_ib_route()
3077 route->path_rec = NULL; in cma_resolve_ib_route()
3105 struct rdma_route *route = &id_priv->id.route; in cma_iboe_set_path_rec_l2_fields()
3107 struct rdma_addr *addr = &route->addr; in cma_iboe_set_path_rec_l2_fields()
3111 if (!addr->dev_addr.bound_dev_if) in cma_iboe_set_path_rec_l2_fields()
3114 ndev = dev_get_by_index(addr->dev_addr.net, in cma_iboe_set_path_rec_l2_fields()
3115 addr->dev_addr.bound_dev_if); in cma_iboe_set_path_rec_l2_fields()
3119 supported_gids = roce_gid_type_mask_support(id_priv->id.device, in cma_iboe_set_path_rec_l2_fields()
3120 id_priv->id.port_num); in cma_iboe_set_path_rec_l2_fields()
3121 gid_type = cma_route_gid_type(addr->dev_addr.network, in cma_iboe_set_path_rec_l2_fields()
3123 id_priv->gid_type); in cma_iboe_set_path_rec_l2_fields()
3125 if (gid_type < ib_network_to_gid_type(addr->dev_addr.network)) in cma_iboe_set_path_rec_l2_fields()
3126 gid_type = ib_network_to_gid_type(addr->dev_addr.network); in cma_iboe_set_path_rec_l2_fields()
3127 route->path_rec->rec_type = sa_conv_gid_to_pathrec_type(gid_type); in cma_iboe_set_path_rec_l2_fields()
3129 route->path_rec->roce.route_resolved = true; in cma_iboe_set_path_rec_l2_fields()
3130 sa_path_set_dmac(route->path_rec, addr->dev_addr.dst_dev_addr); in cma_iboe_set_path_rec_l2_fields()
3134 int rdma_set_ib_path(struct rdma_cm_id *id, in rdma_set_ib_path() argument
3141 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_ib_path()
3144 return -EINVAL; in rdma_set_ib_path()
3146 id->route.path_rec = kmemdup(path_rec, sizeof(*path_rec), in rdma_set_ib_path()
3148 if (!id->route.path_rec) { in rdma_set_ib_path()
3149 ret = -ENOMEM; in rdma_set_ib_path()
3153 if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_set_ib_path()
3156 ret = -ENODEV; in rdma_set_ib_path()
3162 id->route.num_pri_alt_paths = 1; in rdma_set_ib_path()
3166 kfree(id->route.path_rec); in rdma_set_ib_path()
3167 id->route.path_rec = NULL; in rdma_set_ib_path()
3180 return -ENOMEM; in cma_resolve_iw_route()
3183 queue_work(cma_wq, &work->work); in cma_resolve_iw_route()
3192 if (dev->num_tc) in get_vlan_ndev_tc()
3208 struct iboe_prio_tc_map *map = (struct iboe_prio_tc_map *)priv->data; in get_lower_vlan_dev_tc()
3211 map->output_tc = get_vlan_ndev_tc(dev, map->input_prio); in get_lower_vlan_dev_tc()
3212 else if (dev->num_tc) in get_lower_vlan_dev_tc()
3213 map->output_tc = netdev_get_prio_tc_map(dev, map->input_prio); in get_lower_vlan_dev_tc()
3215 map->output_tc = 0; in get_lower_vlan_dev_tc()
3216 /* We are interested only in first level VLAN device, so always in get_lower_vlan_dev_tc()
3219 map->found = true; in get_lower_vlan_dev_tc()
3229 /* If VLAN device, get it directly from the VLAN netdev */ in iboe_tos_to_sl()
3240 /* If map is found from lower device, use it; Otherwise in iboe_tos_to_sl()
3245 else if (ndev->num_tc) in iboe_tos_to_sl()
3258 fl = be32_to_cpu(addr6->sin6_flowinfo) & IB_GRH_FLOWLABEL_MASK; in cma_get_roce_udp_flow_label()
3271 struct rdma_route *route = &id_priv->id.route; in cma_resolve_iboe_route()
3272 struct rdma_addr *addr = &route->addr; in cma_resolve_iboe_route()
3277 u8 default_roce_tos = id_priv->cma_dev->default_roce_tos[id_priv->id.port_num - in cma_resolve_iboe_route()
3278 rdma_start_port(id_priv->cma_dev->device)]; in cma_resolve_iboe_route()
3281 mutex_lock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3282 tos = id_priv->tos_set ? id_priv->tos : default_roce_tos; in cma_resolve_iboe_route()
3283 mutex_unlock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3287 return -ENOMEM; in cma_resolve_iboe_route()
3289 route->path_rec = kzalloc(sizeof *route->path_rec, GFP_KERNEL); in cma_resolve_iboe_route()
3290 if (!route->path_rec) { in cma_resolve_iboe_route()
3291 ret = -ENOMEM; in cma_resolve_iboe_route()
3295 route->num_pri_alt_paths = 1; in cma_resolve_iboe_route()
3299 ret = -ENODEV; in cma_resolve_iboe_route()
3303 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_resolve_iboe_route()
3304 &route->path_rec->sgid); in cma_resolve_iboe_route()
3305 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.dst_addr, in cma_resolve_iboe_route()
3306 &route->path_rec->dgid); in cma_resolve_iboe_route()
3308 if (((struct sockaddr *)&id_priv->id.route.addr.dst_addr)->sa_family != AF_IB) in cma_resolve_iboe_route()
3309 /* TODO: get the hoplimit from the inet/inet6 device */ in cma_resolve_iboe_route()
3310 route->path_rec->hop_limit = addr->dev_addr.hoplimit; in cma_resolve_iboe_route()
3312 route->path_rec->hop_limit = 1; in cma_resolve_iboe_route()
3313 route->path_rec->reversible = 1; in cma_resolve_iboe_route()
3314 route->path_rec->pkey = cpu_to_be16(0xffff); in cma_resolve_iboe_route()
3315 route->path_rec->mtu_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3316 route->path_rec->sl = iboe_tos_to_sl(ndev, tos); in cma_resolve_iboe_route()
3317 route->path_rec->traffic_class = tos; in cma_resolve_iboe_route()
3318 route->path_rec->mtu = iboe_get_mtu(ndev->mtu); in cma_resolve_iboe_route()
3319 route->path_rec->rate_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3320 route->path_rec->rate = IB_RATE_PORT_CURRENT; in cma_resolve_iboe_route()
3322 route->path_rec->packet_life_time_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3330 mutex_lock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3331 if (id_priv->timeout_set && id_priv->timeout) in cma_resolve_iboe_route()
3332 route->path_rec->packet_life_time = id_priv->timeout - 1; in cma_resolve_iboe_route()
3334 route->path_rec->packet_life_time = CMA_IBOE_PACKET_LIFETIME; in cma_resolve_iboe_route()
3335 mutex_unlock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3337 if (!route->path_rec->mtu) { in cma_resolve_iboe_route()
3338 ret = -EINVAL; in cma_resolve_iboe_route()
3342 if (rdma_protocol_roce_udp_encap(id_priv->id.device, in cma_resolve_iboe_route()
3343 id_priv->id.port_num)) in cma_resolve_iboe_route()
3344 route->path_rec->flow_label = in cma_resolve_iboe_route()
3348 queue_work(cma_wq, &work->work); in cma_resolve_iboe_route()
3353 kfree(route->path_rec); in cma_resolve_iboe_route()
3354 route->path_rec = NULL; in cma_resolve_iboe_route()
3355 route->num_pri_alt_paths = 0; in cma_resolve_iboe_route()
3361 int rdma_resolve_route(struct rdma_cm_id *id, unsigned long timeout_ms) in rdma_resolve_route() argument
3367 return -EINVAL; in rdma_resolve_route()
3369 id_priv = container_of(id, struct rdma_id_private, id); in rdma_resolve_route()
3371 return -EINVAL; in rdma_resolve_route()
3374 if (rdma_cap_ib_sa(id->device, id->port_num)) in rdma_resolve_route()
3376 else if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_resolve_route()
3381 else if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_resolve_route()
3384 ret = -ENOSYS; in rdma_resolve_route()
3399 switch (addr->sa_family) { in cma_set_loopback()
3401 ((struct sockaddr_in *) addr)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); in cma_set_loopback()
3404 ipv6_addr_set(&((struct sockaddr_in6 *) addr)->sin6_addr, in cma_set_loopback()
3408 ib_addr_set(&((struct sockaddr_ib *) addr)->sib_addr, in cma_set_loopback()
3427 !rdma_cap_ib_cm(cur_dev->device, 1)) in cma_bind_loopback()
3433 rdma_for_each_port (cur_dev->device, p) { in cma_bind_loopback()
3434 if (!ib_get_cached_port_state(cur_dev->device, p, &port_state) && in cma_bind_loopback()
3443 ret = -ENODEV; in cma_bind_loopback()
3450 ret = rdma_query_gid(cma_dev->device, p, 0, &gid); in cma_bind_loopback()
3454 ret = ib_get_cached_pkey(cma_dev->device, p, 0, &pkey); in cma_bind_loopback()
3458 id_priv->id.route.addr.dev_addr.dev_type = in cma_bind_loopback()
3459 (rdma_protocol_ib(cma_dev->device, p)) ? in cma_bind_loopback()
3462 rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_bind_loopback()
3463 ib_addr_set_pkey(&id_priv->id.route.addr.dev_addr, pkey); in cma_bind_loopback()
3464 id_priv->id.port_num = p; in cma_bind_loopback()
3466 rdma_restrack_add(&id_priv->res); in cma_bind_loopback()
3481 mutex_lock(&id_priv->handler_mutex); in addr_handler()
3488 * matching rdma device, old address can be restored back, which helps in addr_handler()
3494 if (!status && !id_priv->cma_dev) { in addr_handler()
3497 pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to acquire device. status %d\n", in addr_handler()
3499 rdma_restrack_add(&id_priv->res); in addr_handler()
3520 mutex_unlock(&id_priv->handler_mutex); in addr_handler()
3531 return -ENOMEM; in cma_resolve_loopback()
3533 if (!id_priv->cma_dev) { in cma_resolve_loopback()
3539 rdma_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_resolve_loopback()
3540 rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_resolve_loopback()
3556 return -ENOMEM; in cma_resolve_ib_addr()
3558 if (!id_priv->cma_dev) { in cma_resolve_ib_addr()
3564 rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, (union ib_gid *) in cma_resolve_ib_addr()
3565 &(((struct sockaddr_ib *) &id_priv->id.route.addr.dst_addr)->sib_addr)); in cma_resolve_ib_addr()
3574 int rdma_set_reuseaddr(struct rdma_cm_id *id, int reuse) in rdma_set_reuseaddr() argument
3580 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_reuseaddr()
3581 spin_lock_irqsave(&id_priv->lock, flags); in rdma_set_reuseaddr()
3582 if ((reuse && id_priv->state != RDMA_CM_LISTEN) || in rdma_set_reuseaddr()
3583 id_priv->state == RDMA_CM_IDLE) { in rdma_set_reuseaddr()
3584 id_priv->reuseaddr = reuse; in rdma_set_reuseaddr()
3587 ret = -EINVAL; in rdma_set_reuseaddr()
3589 spin_unlock_irqrestore(&id_priv->lock, flags); in rdma_set_reuseaddr()
3594 int rdma_set_afonly(struct rdma_cm_id *id, int afonly) in rdma_set_afonly() argument
3600 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_afonly()
3601 spin_lock_irqsave(&id_priv->lock, flags); in rdma_set_afonly()
3602 if (id_priv->state == RDMA_CM_IDLE || id_priv->state == RDMA_CM_ADDR_BOUND) { in rdma_set_afonly()
3603 id_priv->options |= (1 << CMA_OPTION_AFONLY); in rdma_set_afonly()
3604 id_priv->afonly = afonly; in rdma_set_afonly()
3607 ret = -EINVAL; in rdma_set_afonly()
3609 spin_unlock_irqrestore(&id_priv->lock, flags); in rdma_set_afonly()
3625 port = htons(bind_list->port); in cma_bind_port()
3627 switch (addr->sa_family) { in cma_bind_port()
3629 ((struct sockaddr_in *) addr)->sin_port = port; in cma_bind_port()
3632 ((struct sockaddr_in6 *) addr)->sin6_port = port; in cma_bind_port()
3636 sid = be64_to_cpu(sib->sib_sid); in cma_bind_port()
3637 mask = be64_to_cpu(sib->sib_sid_mask); in cma_bind_port()
3638 sib->sib_sid = cpu_to_be64((sid & mask) | (u64) ntohs(port)); in cma_bind_port()
3639 sib->sib_sid_mask = cpu_to_be64(~0ULL); in cma_bind_port()
3642 id_priv->bind_list = bind_list; in cma_bind_port()
3643 hlist_add_head(&id_priv->node, &bind_list->owners); in cma_bind_port()
3656 return -ENOMEM; in cma_alloc_port()
3658 ret = cma_ps_alloc(id_priv->id.route.addr.dev_addr.net, ps, bind_list, in cma_alloc_port()
3663 bind_list->ps = ps; in cma_alloc_port()
3664 bind_list->port = snum; in cma_alloc_port()
3669 return ret == -ENOSPC ? -EADDRNOTAVAIL : ret; in cma_alloc_port()
3682 hlist_for_each_entry(cur_id, &bind_list->owners, node) { in cma_port_is_unique()
3690 /* different dest port -> unique */ in cma_port_is_unique()
3696 /* different src address -> unique */ in cma_port_is_unique()
3702 /* different dst address -> unique */ in cma_port_is_unique()
3708 return -EADDRNOTAVAIL; in cma_port_is_unique()
3719 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_alloc_any_port()
3724 remaining = (high - low) + 1; in cma_alloc_any_port()
3725 rover = get_random_u32_inclusive(low, remaining + low - 1); in cma_alloc_any_port()
3742 * re-using same port immediately after it is closed. in cma_alloc_any_port()
3746 if (ret != -EADDRNOTAVAIL) in cma_alloc_any_port()
3749 if (--remaining) { in cma_alloc_any_port()
3755 return -EADDRNOTAVAIL; in cma_alloc_any_port()
3773 hlist_for_each_entry(cur_id, &bind_list->owners, node) { in cma_check_port()
3777 if (reuseaddr && cur_id->reuseaddr) in cma_check_port()
3781 if (id_priv->afonly && cur_id->afonly && in cma_check_port()
3782 (addr->sa_family != cur_addr->sa_family)) in cma_check_port()
3786 return -EADDRNOTAVAIL; in cma_check_port()
3789 return -EADDRINUSE; in cma_check_port()
3805 return -EACCES; in cma_use_port()
3807 bind_list = cma_ps_find(id_priv->id.route.addr.dev_addr.net, ps, snum); in cma_use_port()
3811 ret = cma_check_port(bind_list, id_priv, id_priv->reuseaddr); in cma_use_port()
3821 switch (id_priv->id.ps) { in cma_select_inet_ps()
3826 return id_priv->id.ps; in cma_select_inet_ps()
3841 mask = be64_to_cpu(sib->sib_sid_mask) & RDMA_IB_IP_PS_MASK; in cma_select_ib_ps()
3842 sid = be64_to_cpu(sib->sib_sid) & mask; in cma_select_ib_ps()
3844 if ((id_priv->id.ps == RDMA_PS_IB) && (sid == (RDMA_IB_IP_PS_IB & mask))) { in cma_select_ib_ps()
3847 } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_TCP)) && in cma_select_ib_ps()
3851 } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_UDP)) && in cma_select_ib_ps()
3858 sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct sockaddr *) sib))); in cma_select_ib_ps()
3859 sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK | in cma_select_ib_ps()
3860 be64_to_cpu(sib->sib_sid_mask)); in cma_select_ib_ps()
3875 return -EPROTONOSUPPORT; in cma_get_port()
3893 if (addr->sa_family != AF_INET6) in cma_check_linklocal()
3898 if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)) in cma_check_linklocal()
3901 if (!sin6->sin6_scope_id) in cma_check_linklocal()
3902 return -EINVAL; in cma_check_linklocal()
3904 dev_addr->bound_dev_if = sin6->sin6_scope_id; in cma_check_linklocal()
3909 int rdma_listen(struct rdma_cm_id *id, int backlog) in rdma_listen() argument
3912 container_of(id, struct rdma_id_private, id); in rdma_listen()
3922 ret = rdma_bind_addr(id, (struct sockaddr *)&any_in); in rdma_listen()
3927 return -EINVAL; in rdma_listen()
3931 * Once the ID reaches RDMA_CM_LISTEN it is not allowed to be reusable in rdma_listen()
3934 if (id_priv->reuseaddr) { in rdma_listen()
3936 ret = cma_check_port(id_priv->bind_list, id_priv, 0); in rdma_listen()
3938 id_priv->reuseaddr = 0; in rdma_listen()
3944 id_priv->backlog = backlog; in rdma_listen()
3945 if (id_priv->cma_dev) { in rdma_listen()
3946 if (rdma_cap_ib_cm(id->device, 1)) { in rdma_listen()
3950 } else if (rdma_cap_iw_cm(id->device, 1)) { in rdma_listen()
3955 ret = -ENOSYS; in rdma_listen()
3966 id_priv->backlog = 0; in rdma_listen()
3982 if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6 && in rdma_bind_addr_dst()
3983 addr->sa_family != AF_IB) in rdma_bind_addr_dst()
3984 return -EAFNOSUPPORT; in rdma_bind_addr_dst()
3987 return -EINVAL; in rdma_bind_addr_dst()
3989 ret = cma_check_linklocal(&id_priv->id.route.addr.dev_addr, addr); in rdma_bind_addr_dst()
3995 ret = cma_translate_addr(addr, &id_priv->id.route.addr.dev_addr); in rdma_bind_addr_dst()
4004 if (!(id_priv->options & (1 << CMA_OPTION_AFONLY))) { in rdma_bind_addr_dst()
4005 if (addr->sa_family == AF_INET) in rdma_bind_addr_dst()
4006 id_priv->afonly = 1; in rdma_bind_addr_dst()
4008 else if (addr->sa_family == AF_INET6) { in rdma_bind_addr_dst()
4009 struct net *net = id_priv->id.route.addr.dev_addr.net; in rdma_bind_addr_dst()
4011 id_priv->afonly = net->ipv6.sysctl.bindv6only; in rdma_bind_addr_dst()
4018 id_daddr->sa_family = addr->sa_family; in rdma_bind_addr_dst()
4025 rdma_restrack_add(&id_priv->res); in rdma_bind_addr_dst()
4028 if (id_priv->cma_dev) in rdma_bind_addr_dst()
4035 static int cma_bind_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, in cma_bind_addr() argument
4039 container_of(id, struct rdma_id_private, id); in cma_bind_addr()
4042 if (src_addr && src_addr->sa_family) in cma_bind_addr()
4048 zero_sock.ss_family = dst_addr->sa_family; in cma_bind_addr()
4049 if (IS_ENABLED(CONFIG_IPV6) && dst_addr->sa_family == AF_INET6) { in cma_bind_addr()
4055 src_addr6->sin6_scope_id = dst_addr6->sin6_scope_id; in cma_bind_addr()
4056 if (ipv6_addr_type(&dst_addr6->sin6_addr) & IPV6_ADDR_LINKLOCAL) in cma_bind_addr()
4057 id->route.addr.dev_addr.bound_dev_if = in cma_bind_addr()
4058 dst_addr6->sin6_scope_id; in cma_bind_addr()
4059 } else if (dst_addr->sa_family == AF_IB) { in cma_bind_addr()
4060 ((struct sockaddr_ib *)&zero_sock)->sib_pkey = in cma_bind_addr()
4061 ((struct sockaddr_ib *)dst_addr)->sib_pkey; in cma_bind_addr()
4069 * calls made by ULP, a previously bound ID will not be re-bound and src_addr is
4080 ret = cma_bind_addr(&id_priv->id, src_addr, dst_addr); in resolve_prepare_src()
4085 return -EINVAL; in resolve_prepare_src()
4091 if (cma_family(id_priv) != dst_addr->sa_family) { in resolve_prepare_src()
4092 ret = -EINVAL; in resolve_prepare_src()
4102 int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, in rdma_resolve_addr() argument
4106 container_of(id, struct rdma_id_private, id); in rdma_resolve_addr()
4116 if (dst_addr->sa_family == AF_IB) { in rdma_resolve_addr()
4130 if (id_priv->used_resolve_ip) in rdma_resolve_addr()
4131 rdma_addr_cancel(&id->route.addr.dev_addr); in rdma_resolve_addr()
4133 id_priv->used_resolve_ip = 1; in rdma_resolve_addr()
4135 &id->route.addr.dev_addr, in rdma_resolve_addr()
4150 int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_bind_addr() argument
4153 container_of(id, struct rdma_id_private, id); in rdma_bind_addr()
4164 cma_hdr->cma_version = CMA_VERSION; in cma_format_hdr()
4172 cma_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr; in cma_format_hdr()
4173 cma_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr; in cma_format_hdr()
4174 cma_hdr->port = src4->sin_port; in cma_format_hdr()
4182 cma_hdr->src_addr.ip6 = src6->sin6_addr; in cma_format_hdr()
4183 cma_hdr->dst_addr.ip6 = dst6->sin6_addr; in cma_format_hdr()
4184 cma_hdr->port = src6->sin6_port; in cma_format_hdr()
4192 struct rdma_id_private *id_priv = cm_id->context; in cma_sidr_rep_handler()
4195 &ib_event->param.sidr_rep_rcvd; in cma_sidr_rep_handler()
4198 mutex_lock(&id_priv->handler_mutex); in cma_sidr_rep_handler()
4199 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in cma_sidr_rep_handler()
4202 switch (ib_event->event) { in cma_sidr_rep_handler()
4205 event.status = -ETIMEDOUT; in cma_sidr_rep_handler()
4208 event.param.ud.private_data = ib_event->private_data; in cma_sidr_rep_handler()
4210 if (rep->status != IB_SIDR_SUCCESS) { in cma_sidr_rep_handler()
4212 event.status = ib_event->param.sidr_rep_rcvd.status; in cma_sidr_rep_handler()
4217 ret = cma_set_qkey(id_priv, rep->qkey); in cma_sidr_rep_handler()
4224 ib_init_ah_attr_from_path(id_priv->id.device, in cma_sidr_rep_handler()
4225 id_priv->id.port_num, in cma_sidr_rep_handler()
4226 id_priv->id.route.path_rec, in cma_sidr_rep_handler()
4228 rep->sgid_attr); in cma_sidr_rep_handler()
4229 event.param.ud.qp_num = rep->qpn; in cma_sidr_rep_handler()
4230 event.param.ud.qkey = rep->qkey; in cma_sidr_rep_handler()
4236 ib_event->event); in cma_sidr_rep_handler()
4244 /* Destroy the CM ID by returning a non-zero value. */ in cma_sidr_rep_handler()
4245 id_priv->cm_id.ib = NULL; in cma_sidr_rep_handler()
4250 mutex_unlock(&id_priv->handler_mutex); in cma_sidr_rep_handler()
4258 struct ib_cm_id *id; in cma_resolve_ib_udp() local
4265 if (check_add_overflow(offset, conn_param->private_data_len, &req.private_data_len)) in cma_resolve_ib_udp()
4266 return -EINVAL; in cma_resolve_ib_udp()
4271 return -ENOMEM; in cma_resolve_ib_udp()
4276 if (conn_param->private_data && conn_param->private_data_len) in cma_resolve_ib_udp()
4277 memcpy(private_data + offset, conn_param->private_data, in cma_resolve_ib_udp()
4278 conn_param->private_data_len); in cma_resolve_ib_udp()
4287 id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler, in cma_resolve_ib_udp()
4289 if (IS_ERR(id)) { in cma_resolve_ib_udp()
4290 ret = PTR_ERR(id); in cma_resolve_ib_udp()
4293 id_priv->cm_id.ib = id; in cma_resolve_ib_udp()
4295 req.path = id_priv->id.route.path_rec; in cma_resolve_ib_udp()
4296 req.sgid_attr = id_priv->id.route.addr.dev_addr.sgid_attr; in cma_resolve_ib_udp()
4297 req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv)); in cma_resolve_ib_udp()
4298 req.timeout_ms = 1 << (CMA_CM_RESPONSE_TIMEOUT - 8); in cma_resolve_ib_udp()
4302 ret = ib_send_cm_sidr_req(id_priv->cm_id.ib, &req); in cma_resolve_ib_udp()
4304 ib_destroy_cm_id(id_priv->cm_id.ib); in cma_resolve_ib_udp()
4305 id_priv->cm_id.ib = NULL; in cma_resolve_ib_udp()
4318 struct ib_cm_id *id; in cma_connect_ib() local
4324 if (check_add_overflow(offset, conn_param->private_data_len, &req.private_data_len)) in cma_connect_ib()
4325 return -EINVAL; in cma_connect_ib()
4330 return -ENOMEM; in cma_connect_ib()
4335 if (conn_param->private_data && conn_param->private_data_len) in cma_connect_ib()
4336 memcpy(private_data + offset, conn_param->private_data, in cma_connect_ib()
4337 conn_param->private_data_len); in cma_connect_ib()
4339 id = ib_create_cm_id(id_priv->id.device, cma_ib_handler, id_priv); in cma_connect_ib()
4340 if (IS_ERR(id)) { in cma_connect_ib()
4341 ret = PTR_ERR(id); in cma_connect_ib()
4344 id_priv->cm_id.ib = id; in cma_connect_ib()
4346 route = &id_priv->id.route; in cma_connect_ib()
4354 req.primary_path = &route->path_rec[0]; in cma_connect_ib()
4355 req.primary_path_inbound = route->path_rec_inbound; in cma_connect_ib()
4356 req.primary_path_outbound = route->path_rec_outbound; in cma_connect_ib()
4357 if (route->num_pri_alt_paths == 2) in cma_connect_ib()
4358 req.alternate_path = &route->path_rec[1]; in cma_connect_ib()
4360 req.ppath_sgid_attr = id_priv->id.route.addr.dev_addr.sgid_attr; in cma_connect_ib()
4362 req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv)); in cma_connect_ib()
4363 req.qp_num = id_priv->qp_num; in cma_connect_ib()
4364 req.qp_type = id_priv->id.qp_type; in cma_connect_ib()
4365 req.starting_psn = id_priv->seq_num; in cma_connect_ib()
4366 req.responder_resources = conn_param->responder_resources; in cma_connect_ib()
4367 req.initiator_depth = conn_param->initiator_depth; in cma_connect_ib()
4368 req.flow_control = conn_param->flow_control; in cma_connect_ib()
4369 req.retry_count = min_t(u8, 7, conn_param->retry_count); in cma_connect_ib()
4370 req.rnr_retry_count = min_t(u8, 7, conn_param->rnr_retry_count); in cma_connect_ib()
4374 req.srq = id_priv->srq ? 1 : 0; in cma_connect_ib()
4375 req.ece.vendor_id = id_priv->ece.vendor_id; in cma_connect_ib()
4376 req.ece.attr_mod = id_priv->ece.attr_mod; in cma_connect_ib()
4379 ret = ib_send_cm_req(id_priv->cm_id.ib, &req); in cma_connect_ib()
4381 if (ret && !IS_ERR(id)) { in cma_connect_ib()
4382 ib_destroy_cm_id(id); in cma_connect_ib()
4383 id_priv->cm_id.ib = NULL; in cma_connect_ib()
4397 cm_id = iw_create_cm_id(id_priv->id.device, cma_iw_handler, id_priv); in cma_connect_iw()
4401 mutex_lock(&id_priv->qp_mutex); in cma_connect_iw()
4402 cm_id->tos = id_priv->tos; in cma_connect_iw()
4403 cm_id->tos_set = id_priv->tos_set; in cma_connect_iw()
4404 mutex_unlock(&id_priv->qp_mutex); in cma_connect_iw()
4406 id_priv->cm_id.iw = cm_id; in cma_connect_iw()
4408 memcpy(&cm_id->local_addr, cma_src_addr(id_priv), in cma_connect_iw()
4410 memcpy(&cm_id->remote_addr, cma_dst_addr(id_priv), in cma_connect_iw()
4418 iw_param.ord = conn_param->initiator_depth; in cma_connect_iw()
4419 iw_param.ird = conn_param->responder_resources; in cma_connect_iw()
4420 iw_param.private_data = conn_param->private_data; in cma_connect_iw()
4421 iw_param.private_data_len = conn_param->private_data_len; in cma_connect_iw()
4422 iw_param.qpn = id_priv->id.qp ? id_priv->qp_num : conn_param->qp_num; in cma_connect_iw()
4425 iw_param.qpn = id_priv->qp_num; in cma_connect_iw()
4431 id_priv->cm_id.iw = NULL; in cma_connect_iw()
4437 * rdma_connect_locked - Initiate an active connection request.
4438 * @id: Connection identifier to connect.
4444 int rdma_connect_locked(struct rdma_cm_id *id, in rdma_connect_locked() argument
4448 container_of(id, struct rdma_id_private, id); in rdma_connect_locked()
4452 return -EINVAL; in rdma_connect_locked()
4454 if (!id->qp) { in rdma_connect_locked()
4455 id_priv->qp_num = conn_param->qp_num; in rdma_connect_locked()
4456 id_priv->srq = conn_param->srq; in rdma_connect_locked()
4459 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_connect_locked()
4460 if (id->qp_type == IB_QPT_UD) in rdma_connect_locked()
4464 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_connect_locked()
4467 ret = -ENOSYS; in rdma_connect_locked()
4479 * rdma_connect - Initiate an active connection request.
4480 * @id: Connection identifier to connect.
4490 int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) in rdma_connect() argument
4493 container_of(id, struct rdma_id_private, id); in rdma_connect()
4496 mutex_lock(&id_priv->handler_mutex); in rdma_connect()
4497 ret = rdma_connect_locked(id, conn_param); in rdma_connect()
4498 mutex_unlock(&id_priv->handler_mutex); in rdma_connect()
4504 * rdma_connect_ece - Initiate an active connection request with ECE data.
4505 * @id: Connection identifier to connect.
4511 int rdma_connect_ece(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, in rdma_connect_ece() argument
4515 container_of(id, struct rdma_id_private, id); in rdma_connect_ece()
4517 id_priv->ece.vendor_id = ece->vendor_id; in rdma_connect_ece()
4518 id_priv->ece.attr_mod = ece->attr_mod; in rdma_connect_ece()
4520 return rdma_connect(id, conn_param); in rdma_connect_ece()
4539 rep.qp_num = id_priv->qp_num; in cma_accept_ib()
4540 rep.starting_psn = id_priv->seq_num; in cma_accept_ib()
4541 rep.private_data = conn_param->private_data; in cma_accept_ib()
4542 rep.private_data_len = conn_param->private_data_len; in cma_accept_ib()
4543 rep.responder_resources = conn_param->responder_resources; in cma_accept_ib()
4544 rep.initiator_depth = conn_param->initiator_depth; in cma_accept_ib()
4546 rep.flow_control = conn_param->flow_control; in cma_accept_ib()
4547 rep.rnr_retry_count = min_t(u8, 7, conn_param->rnr_retry_count); in cma_accept_ib()
4548 rep.srq = id_priv->srq ? 1 : 0; in cma_accept_ib()
4549 rep.ece.vendor_id = id_priv->ece.vendor_id; in cma_accept_ib()
4550 rep.ece.attr_mod = id_priv->ece.attr_mod; in cma_accept_ib()
4553 ret = ib_send_cm_rep(id_priv->cm_id.ib, &rep); in cma_accept_ib()
4565 return -EINVAL; in cma_accept_iw()
4571 iw_param.ord = conn_param->initiator_depth; in cma_accept_iw()
4572 iw_param.ird = conn_param->responder_resources; in cma_accept_iw()
4573 iw_param.private_data = conn_param->private_data; in cma_accept_iw()
4574 iw_param.private_data_len = conn_param->private_data_len; in cma_accept_iw()
4575 if (id_priv->id.qp) in cma_accept_iw()
4576 iw_param.qpn = id_priv->qp_num; in cma_accept_iw()
4578 iw_param.qpn = conn_param->qp_num; in cma_accept_iw()
4580 return iw_cm_accept(id_priv->cm_id.iw, &iw_param); in cma_accept_iw()
4599 rep.qp_num = id_priv->qp_num; in cma_send_sidr_rep()
4600 rep.qkey = id_priv->qkey; in cma_send_sidr_rep()
4602 rep.ece.vendor_id = id_priv->ece.vendor_id; in cma_send_sidr_rep()
4603 rep.ece.attr_mod = id_priv->ece.attr_mod; in cma_send_sidr_rep()
4610 return ib_send_cm_sidr_rep(id_priv->cm_id.ib, &rep); in cma_send_sidr_rep()
4614 * rdma_accept - Called to accept a connection request or response.
4615 * @id: Connection identifier associated with the request.
4625 * state of the qp associated with the id is modified to error, such that any
4631 int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) in rdma_accept() argument
4634 container_of(id, struct rdma_id_private, id); in rdma_accept()
4637 lockdep_assert_held(&id_priv->handler_mutex); in rdma_accept()
4639 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in rdma_accept()
4640 return -EINVAL; in rdma_accept()
4642 if (!id->qp && conn_param) { in rdma_accept()
4643 id_priv->qp_num = conn_param->qp_num; in rdma_accept()
4644 id_priv->srq = conn_param->srq; in rdma_accept()
4647 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_accept()
4648 if (id->qp_type == IB_QPT_UD) { in rdma_accept()
4651 conn_param->qkey, in rdma_accept()
4652 conn_param->private_data, in rdma_accept()
4653 conn_param->private_data_len); in rdma_accept()
4663 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_accept()
4666 ret = -ENOSYS; in rdma_accept()
4674 rdma_reject(id, NULL, 0, IB_CM_REJ_CONSUMER_DEFINED); in rdma_accept()
4679 int rdma_accept_ece(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, in rdma_accept_ece() argument
4683 container_of(id, struct rdma_id_private, id); in rdma_accept_ece()
4685 id_priv->ece.vendor_id = ece->vendor_id; in rdma_accept_ece()
4686 id_priv->ece.attr_mod = ece->attr_mod; in rdma_accept_ece()
4688 return rdma_accept(id, conn_param); in rdma_accept_ece()
4692 void rdma_lock_handler(struct rdma_cm_id *id) in rdma_lock_handler() argument
4695 container_of(id, struct rdma_id_private, id); in rdma_lock_handler()
4697 mutex_lock(&id_priv->handler_mutex); in rdma_lock_handler()
4701 void rdma_unlock_handler(struct rdma_cm_id *id) in rdma_unlock_handler() argument
4704 container_of(id, struct rdma_id_private, id); in rdma_unlock_handler()
4706 mutex_unlock(&id_priv->handler_mutex); in rdma_unlock_handler()
4710 int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event) in rdma_notify() argument
4715 id_priv = container_of(id, struct rdma_id_private, id); in rdma_notify()
4716 if (!id_priv->cm_id.ib) in rdma_notify()
4717 return -EINVAL; in rdma_notify()
4719 switch (id->device->node_type) { in rdma_notify()
4721 ret = ib_cm_notify(id_priv->cm_id.ib, event); in rdma_notify()
4731 int rdma_reject(struct rdma_cm_id *id, const void *private_data, in rdma_reject() argument
4737 id_priv = container_of(id, struct rdma_id_private, id); in rdma_reject()
4738 if (!id_priv->cm_id.ib) in rdma_reject()
4739 return -EINVAL; in rdma_reject()
4741 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_reject()
4742 if (id->qp_type == IB_QPT_UD) { in rdma_reject()
4747 ret = ib_send_cm_rej(id_priv->cm_id.ib, reason, NULL, 0, in rdma_reject()
4750 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_reject()
4751 ret = iw_cm_reject(id_priv->cm_id.iw, in rdma_reject()
4754 ret = -ENOSYS; in rdma_reject()
4761 int rdma_disconnect(struct rdma_cm_id *id) in rdma_disconnect() argument
4766 id_priv = container_of(id, struct rdma_id_private, id); in rdma_disconnect()
4767 if (!id_priv->cm_id.ib) in rdma_disconnect()
4768 return -EINVAL; in rdma_disconnect()
4770 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_disconnect()
4776 if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0)) { in rdma_disconnect()
4777 if (!ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0)) in rdma_disconnect()
4782 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_disconnect()
4783 ret = iw_cm_disconnect(id_priv->cm_id.iw, 0); in rdma_disconnect()
4785 ret = -EINVAL; in rdma_disconnect()
4805 event->status = status; in cma_make_mc_event()
4806 event->param.ud.private_data = mc->context; in cma_make_mc_event()
4808 event->event = RDMA_CM_EVENT_MULTICAST_ERROR; in cma_make_mc_event()
4812 dev_addr = &id_priv->id.route.addr.dev_addr; in cma_make_mc_event()
4813 ndev = dev_get_by_index(dev_addr->net, dev_addr->bound_dev_if); in cma_make_mc_event()
4815 id_priv->cma_dev in cma_make_mc_event()
4816 ->default_gid_type[id_priv->id.port_num - in cma_make_mc_event()
4818 id_priv->cma_dev->device)]; in cma_make_mc_event()
4820 event->event = RDMA_CM_EVENT_MULTICAST_JOIN; in cma_make_mc_event()
4821 if (ib_init_ah_from_mcmember(id_priv->id.device, id_priv->id.port_num, in cma_make_mc_event()
4822 &multicast->rec, ndev, gid_type, in cma_make_mc_event()
4823 &event->param.ud.ah_attr)) { in cma_make_mc_event()
4824 event->event = RDMA_CM_EVENT_MULTICAST_ERROR; in cma_make_mc_event()
4828 event->param.ud.qp_num = 0xFFFFFF; in cma_make_mc_event()
4829 event->param.ud.qkey = id_priv->qkey; in cma_make_mc_event()
4837 struct cma_multicast *mc = multicast->context; in cma_ib_mc_handler()
4838 struct rdma_id_private *id_priv = mc->id_priv; in cma_ib_mc_handler()
4842 mutex_lock(&id_priv->handler_mutex); in cma_ib_mc_handler()
4843 if (READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL || in cma_ib_mc_handler()
4844 READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING) in cma_ib_mc_handler()
4847 ret = cma_set_qkey(id_priv, be32_to_cpu(multicast->rec.qkey)); in cma_ib_mc_handler()
4856 mutex_unlock(&id_priv->handler_mutex); in cma_ib_mc_handler()
4864 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_set_mgid()
4870 } else if ((addr->sa_family == AF_INET6) && in cma_set_mgid()
4871 ((be32_to_cpu(sin6->sin6_addr.s6_addr32[0]) & 0xFFF0FFFF) == in cma_set_mgid()
4874 memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); in cma_set_mgid()
4875 } else if (addr->sa_family == AF_IB) { in cma_set_mgid()
4876 memcpy(mgid, &((struct sockaddr_ib *) addr)->sib_addr, sizeof *mgid); in cma_set_mgid()
4877 } else if (addr->sa_family == AF_INET6) { in cma_set_mgid()
4878 ipv6_ib_mc_map(&sin6->sin6_addr, dev_addr->broadcast, mc_map); in cma_set_mgid()
4879 if (id_priv->id.ps == RDMA_PS_UDP) in cma_set_mgid()
4883 ip_ib_mc_map(sin->sin_addr.s_addr, dev_addr->broadcast, mc_map); in cma_set_mgid()
4884 if (id_priv->id.ps == RDMA_PS_UDP) in cma_set_mgid()
4894 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_join_ib_multicast()
4899 ret = ib_sa_get_mcmember_rec(id_priv->id.device, id_priv->id.port_num, in cma_join_ib_multicast()
4904 if (!id_priv->qkey) { in cma_join_ib_multicast()
4910 cma_set_mgid(id_priv, (struct sockaddr *) &mc->addr, &rec.mgid); in cma_join_ib_multicast()
4911 rec.qkey = cpu_to_be32(id_priv->qkey); in cma_join_ib_multicast()
4914 rec.join_state = mc->join_state; in cma_join_ib_multicast()
4922 if (id_priv->id.ps == RDMA_PS_IPOIB) in cma_join_ib_multicast()
4929 mc->sa_mc = ib_sa_join_multicast(&sa_client, id_priv->id.device, in cma_join_ib_multicast()
4930 id_priv->id.port_num, &rec, comp_mask, in cma_join_ib_multicast()
4932 return PTR_ERR_OR_ZERO(mc->sa_mc); in cma_join_ib_multicast()
4943 } else if (addr->sa_family == AF_INET6) { in cma_iboe_set_mgid()
4944 memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); in cma_iboe_set_mgid()
4946 mgid->raw[0] = in cma_iboe_set_mgid()
4948 mgid->raw[1] = in cma_iboe_set_mgid()
4950 mgid->raw[2] = 0; in cma_iboe_set_mgid()
4951 mgid->raw[3] = 0; in cma_iboe_set_mgid()
4952 mgid->raw[4] = 0; in cma_iboe_set_mgid()
4953 mgid->raw[5] = 0; in cma_iboe_set_mgid()
4954 mgid->raw[6] = 0; in cma_iboe_set_mgid()
4955 mgid->raw[7] = 0; in cma_iboe_set_mgid()
4956 mgid->raw[8] = 0; in cma_iboe_set_mgid()
4957 mgid->raw[9] = 0; in cma_iboe_set_mgid()
4958 mgid->raw[10] = 0xff; in cma_iboe_set_mgid()
4959 mgid->raw[11] = 0xff; in cma_iboe_set_mgid()
4960 *(__be32 *)(&mgid->raw[12]) = sin->sin_addr.s_addr; in cma_iboe_set_mgid()
4967 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_iboe_join_multicast()
4969 struct sockaddr *addr = (struct sockaddr *)&mc->addr; in cma_iboe_join_multicast()
4975 send_only = mc->join_state == BIT(SENDONLY_FULLMEMBER_JOIN); in cma_iboe_join_multicast()
4978 return -EINVAL; in cma_iboe_join_multicast()
4980 gid_type = id_priv->cma_dev->default_gid_type[id_priv->id.port_num - in cma_iboe_join_multicast()
4981 rdma_start_port(id_priv->cma_dev->device)]; in cma_iboe_join_multicast()
4985 if (dev_addr->bound_dev_if) in cma_iboe_join_multicast()
4986 ndev = dev_get_by_index(dev_addr->net, dev_addr->bound_dev_if); in cma_iboe_join_multicast()
4988 return -ENODEV; in cma_iboe_join_multicast()
4992 ib.rec.mtu = iboe_get_mtu(ndev->mtu); in cma_iboe_join_multicast()
4994 if (addr->sa_family == AF_INET) { in cma_iboe_join_multicast()
5004 err = -ENOTSUPP; in cma_iboe_join_multicast()
5008 return err ?: -EINVAL; in cma_iboe_join_multicast()
5010 if (!id_priv->qkey) in cma_iboe_join_multicast()
5013 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_iboe_join_multicast()
5015 INIT_WORK(&mc->iboe_join.work, cma_iboe_join_work_handler); in cma_iboe_join_multicast()
5016 cma_make_mc_event(0, id_priv, &ib, &mc->iboe_join.event, mc); in cma_iboe_join_multicast()
5017 queue_work(cma_wq, &mc->iboe_join.work); in cma_iboe_join_multicast()
5021 int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, in rdma_join_multicast() argument
5025 container_of(id, struct rdma_id_private, id); in rdma_join_multicast()
5030 if (WARN_ON(id->qp)) in rdma_join_multicast()
5031 return -EINVAL; in rdma_join_multicast()
5034 if (!id->device || (READ_ONCE(id_priv->state) != RDMA_CM_ADDR_BOUND && in rdma_join_multicast()
5035 READ_ONCE(id_priv->state) != RDMA_CM_ADDR_RESOLVED)) in rdma_join_multicast()
5036 return -EINVAL; in rdma_join_multicast()
5038 if (id_priv->id.qp_type != IB_QPT_UD) in rdma_join_multicast()
5039 return -EINVAL; in rdma_join_multicast()
5043 return -ENOMEM; in rdma_join_multicast()
5045 memcpy(&mc->addr, addr, rdma_addr_size(addr)); in rdma_join_multicast()
5046 mc->context = context; in rdma_join_multicast()
5047 mc->id_priv = id_priv; in rdma_join_multicast()
5048 mc->join_state = join_state; in rdma_join_multicast()
5050 if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_join_multicast()
5054 } else if (rdma_cap_ib_mcast(id->device, id->port_num)) { in rdma_join_multicast()
5059 ret = -ENOSYS; in rdma_join_multicast()
5063 spin_lock(&id_priv->lock); in rdma_join_multicast()
5064 list_add(&mc->list, &id_priv->mc_list); in rdma_join_multicast()
5065 spin_unlock(&id_priv->lock); in rdma_join_multicast()
5074 void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_leave_multicast() argument
5079 id_priv = container_of(id, struct rdma_id_private, id); in rdma_leave_multicast()
5080 spin_lock_irq(&id_priv->lock); in rdma_leave_multicast()
5081 list_for_each_entry(mc, &id_priv->mc_list, list) { in rdma_leave_multicast()
5082 if (memcmp(&mc->addr, addr, rdma_addr_size(addr)) != 0) in rdma_leave_multicast()
5084 list_del(&mc->list); in rdma_leave_multicast()
5085 spin_unlock_irq(&id_priv->lock); in rdma_leave_multicast()
5087 WARN_ON(id_priv->cma_dev->device != id->device); in rdma_leave_multicast()
5091 spin_unlock_irq(&id_priv->lock); in rdma_leave_multicast()
5100 dev_addr = &id_priv->id.route.addr.dev_addr; in cma_netdev_change()
5102 if ((dev_addr->bound_dev_if == ndev->ifindex) && in cma_netdev_change()
5103 (net_eq(dev_net(ndev), dev_addr->net)) && in cma_netdev_change()
5104 memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len)) { in cma_netdev_change()
5105 pr_info("RDMA CM addr change for ndev %s used by id %p\n", in cma_netdev_change()
5106 ndev->name, &id_priv->id); in cma_netdev_change()
5109 return -ENOMEM; in cma_netdev_change()
5111 INIT_WORK(&work->work, cma_work_handler); in cma_netdev_change()
5112 work->id = id_priv; in cma_netdev_change()
5113 work->event.event = RDMA_CM_EVENT_ADDR_CHANGE; in cma_netdev_change()
5115 queue_work(cma_wq, &work->work); in cma_netdev_change()
5137 list_for_each_entry(id_priv, &cma_dev->id_list, device_item) { in cma_netdev_callback()
5151 container_of(_work, struct rdma_id_private, id.net_work); in cma_netevent_work_handler()
5154 mutex_lock(&id_priv->handler_mutex); in cma_netevent_work_handler()
5156 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_netevent_work_handler()
5157 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_netevent_work_handler()
5161 event.status = -ETIMEDOUT; in cma_netevent_work_handler()
5164 __acquire(&id_priv->handler_mutex); in cma_netevent_work_handler()
5165 id_priv->cm_id.ib = NULL; in cma_netevent_work_handler()
5172 mutex_unlock(&id_priv->handler_mutex); in cma_netevent_work_handler()
5188 if (neigh->tbl->family == AF_INET6) { in cma_netevent_callback()
5192 neigh_sock_6.sin6_addr = *(struct in6_addr *)neigh->primary_key; in cma_netevent_callback()
5193 ips_node = node_from_ndev_ip(&id_table, neigh->dev->ifindex, in cma_netevent_callback()
5195 } else if (neigh->tbl->family == AF_INET) { in cma_netevent_callback()
5199 neigh_sock_4.sin_addr.s_addr = *(__be32 *)(neigh->primary_key); in cma_netevent_callback()
5200 ips_node = node_from_ndev_ip(&id_table, neigh->dev->ifindex, in cma_netevent_callback()
5208 list_for_each_entry(current_id, &ips_node->id_list, id_list_entry) { in cma_netevent_callback()
5209 if (!memcmp(current_id->id.route.addr.dev_addr.dst_dev_addr, in cma_netevent_callback()
5210 neigh->ha, ETH_ALEN)) in cma_netevent_callback()
5212 INIT_WORK(¤t_id->id.net_work, cma_netevent_work_handler); in cma_netevent_callback()
5214 queue_work(cma_wq, ¤t_id->id.net_work); in cma_netevent_callback()
5235 mutex_lock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5236 /* Record that we want to remove the device */ in cma_send_device_removal_put()
5237 spin_lock_irqsave(&id_priv->lock, flags); in cma_send_device_removal_put()
5238 state = id_priv->state; in cma_send_device_removal_put()
5240 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_send_device_removal_put()
5241 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5245 id_priv->state = RDMA_CM_DEVICE_REMOVAL; in cma_send_device_removal_put()
5246 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_send_device_removal_put()
5254 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5259 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5272 while (!list_empty(&cma_dev->id_list)) { in cma_process_remove()
5274 &cma_dev->id_list, struct rdma_id_private, device_item); in cma_process_remove()
5276 list_del_init(&id_priv->listen_item); in cma_process_remove()
5277 list_del_init(&id_priv->device_item); in cma_process_remove()
5288 wait_for_completion(&cma_dev->comp); in cma_process_remove()
5291 static bool cma_supported(struct ib_device *device) in cma_supported() argument
5295 rdma_for_each_port(device, i) { in cma_supported()
5296 if (rdma_cap_ib_cm(device, i) || rdma_cap_iw_cm(device, i)) in cma_supported()
5302 static int cma_add_one(struct ib_device *device) in cma_add_one() argument
5311 if (!cma_supported(device)) in cma_add_one()
5312 return -EOPNOTSUPP; in cma_add_one()
5316 return -ENOMEM; in cma_add_one()
5318 cma_dev->device = device; in cma_add_one()
5319 cma_dev->default_gid_type = kcalloc(device->phys_port_cnt, in cma_add_one()
5320 sizeof(*cma_dev->default_gid_type), in cma_add_one()
5322 if (!cma_dev->default_gid_type) { in cma_add_one()
5323 ret = -ENOMEM; in cma_add_one()
5327 cma_dev->default_roce_tos = kcalloc(device->phys_port_cnt, in cma_add_one()
5328 sizeof(*cma_dev->default_roce_tos), in cma_add_one()
5330 if (!cma_dev->default_roce_tos) { in cma_add_one()
5331 ret = -ENOMEM; in cma_add_one()
5335 rdma_for_each_port (device, i) { in cma_add_one()
5336 supported_gids = roce_gid_type_mask_support(device, i); in cma_add_one()
5339 cma_dev->default_gid_type[i - rdma_start_port(device)] = in cma_add_one()
5342 cma_dev->default_gid_type[i - rdma_start_port(device)] = in cma_add_one()
5344 cma_dev->default_roce_tos[i - rdma_start_port(device)] = 0; in cma_add_one()
5347 init_completion(&cma_dev->comp); in cma_add_one()
5348 refcount_set(&cma_dev->refcount, 1); in cma_add_one()
5349 INIT_LIST_HEAD(&cma_dev->id_list); in cma_add_one()
5350 ib_set_client_data(device, &cma_client, cma_dev); in cma_add_one()
5353 list_add_tail(&cma_dev->list, &dev_list); in cma_add_one()
5361 trace_cm_add_one(device); in cma_add_one()
5365 list_del(&cma_dev->list); in cma_add_one()
5370 kfree(cma_dev->default_roce_tos); in cma_add_one()
5372 kfree(cma_dev->default_gid_type); in cma_add_one()
5379 static void cma_remove_one(struct ib_device *device, void *client_data) in cma_remove_one() argument
5383 trace_cm_remove_one(device); in cma_remove_one()
5386 list_del(&cma_dev->list); in cma_remove_one()
5390 kfree(cma_dev->default_roce_tos); in cma_remove_one()
5391 kfree(cma_dev->default_gid_type); in cma_remove_one()
5399 xa_init(&pernet->tcp_ps); in cma_init_net()
5400 xa_init(&pernet->udp_ps); in cma_init_net()
5401 xa_init(&pernet->ipoib_ps); in cma_init_net()
5402 xa_init(&pernet->ib_ps); in cma_init_net()
5411 WARN_ON(!xa_empty(&pernet->tcp_ps)); in cma_exit_net()
5412 WARN_ON(!xa_empty(&pernet->udp_ps)); in cma_exit_net()
5413 WARN_ON(!xa_empty(&pernet->ipoib_ps)); in cma_exit_net()
5414 WARN_ON(!xa_empty(&pernet->ib_ps)); in cma_exit_net()
5420 .id = &cma_pernet_id,
5443 return -ENOMEM; in cma_init()