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",
86 const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id, in rdma_reject_msg() argument
89 if (rdma_ib_or_roce(id->device, id->port_num)) in rdma_reject_msg()
92 if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_reject_msg()
101 * rdma_is_consumer_reject - return true if the consumer rejected the connect
103 * @id: Communication identifier that received the REJECT event.
106 static bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason) in rdma_is_consumer_reject() argument
108 if (rdma_ib_or_roce(id->device, id->port_num)) in rdma_is_consumer_reject()
111 if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_is_consumer_reject()
112 return reason == -ECONNREFUSED; in rdma_is_consumer_reject()
118 const void *rdma_consumer_reject_data(struct rdma_cm_id *id, in rdma_consumer_reject_data() argument
123 if (rdma_is_consumer_reject(id, ev->status)) { in rdma_consumer_reject_data()
124 *data_len = ev->param.conn.private_data_len; in rdma_consumer_reject_data()
125 p = ev->param.conn.private_data; in rdma_consumer_reject_data()
135 * rdma_iw_cm_id() - return the iw_cm_id pointer for this cm_id.
136 * @id: Communication Identifier
138 struct iw_cm_id *rdma_iw_cm_id(struct rdma_cm_id *id) in rdma_iw_cm_id() argument
142 id_priv = container_of(id, struct rdma_id_private, id); in rdma_iw_cm_id()
143 if (id->device->node_type == RDMA_NODE_RNIC) in rdma_iw_cm_id()
144 return id_priv->cm_id.iw; in rdma_iw_cm_id()
150 * rdma_res_to_id() - return the rdma_cm_id pointer for this restrack.
158 return &id_priv->id; in rdma_res_to_id()
162 static int cma_add_one(struct ib_device *device);
163 static void cma_remove_one(struct ib_device *device, void *client_data);
200 return &pernet->tcp_ps; in cma_pernet_xa()
202 return &pernet->udp_ps; in cma_pernet_xa()
204 return &pernet->ipoib_ps; in cma_pernet_xa()
206 return &pernet->ib_ps; in cma_pernet_xa()
219 struct ib_device *device; member
263 refcount_inc(&cma_dev->refcount); in cma_dev_get()
268 if (refcount_dec_and_test(&cma_dev->refcount)) in cma_dev_put()
269 complete(&cma_dev->comp); in cma_dev_put()
281 if (filter(cma_dev->device, cookie)) { in cma_enum_devices_by_ibdev()
295 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_get_default_gid_type()
296 return -EINVAL; in cma_get_default_gid_type()
298 return cma_dev->default_gid_type[port - rdma_start_port(cma_dev->device)]; in cma_get_default_gid_type()
307 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_set_default_gid_type()
308 return -EINVAL; in cma_set_default_gid_type()
311 rdma_protocol_roce_eth_encap(cma_dev->device, port)) in cma_set_default_gid_type()
314 supported_gids = roce_gid_type_mask_support(cma_dev->device, port); in cma_set_default_gid_type()
317 return -EINVAL; in cma_set_default_gid_type()
319 cma_dev->default_gid_type[port - rdma_start_port(cma_dev->device)] = in cma_set_default_gid_type()
327 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_get_default_roce_tos()
328 return -EINVAL; in cma_get_default_roce_tos()
330 return cma_dev->default_roce_tos[port - rdma_start_port(cma_dev->device)]; in cma_get_default_roce_tos()
336 if (!rdma_is_port_valid(cma_dev->device, port)) in cma_set_default_roce_tos()
337 return -EINVAL; in cma_set_default_roce_tos()
339 cma_dev->default_roce_tos[port - rdma_start_port(cma_dev->device)] = in cma_set_default_roce_tos()
346 return cma_dev->device; in cma_get_ib_dev()
350 * Device removal can occur at anytime, so we need extra handling to
351 * serialize notifying the user of device removal with other callbacks.
373 struct rdma_id_private *id; member
400 struct ib_device *device; member
421 lockdep_assert_held(&id_priv->handler_mutex); in cma_comp_exch()
423 spin_lock_irqsave(&id_priv->lock, flags); in cma_comp_exch()
424 if ((ret = (id_priv->state == comp))) in cma_comp_exch()
425 id_priv->state = exch; in cma_comp_exch()
426 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_comp_exch()
432 return hdr->ip_version >> 4; in cma_get_ip_ver()
437 hdr->ip_version = (ip_ver << 4) | (hdr->ip_version & 0xF); in cma_set_ip_ver()
442 return (struct sockaddr *)&id_priv->id.route.addr.src_addr; in cma_src_addr()
447 return (struct sockaddr *)&id_priv->id.route.addr.dst_addr; in cma_dst_addr()
460 *(__be32 *)(mgid->raw + 12)); in cma_igmp_send()
463 *(__be32 *)(mgid->raw + 12)); in cma_igmp_send()
467 return (in_dev) ? 0 : -ENODEV; in cma_igmp_send()
474 &entry_b->id_list, struct rdma_id_private, id_list_entry); in compare_netdev_and_ip()
475 int ifindex_b = id_priv->id.route.addr.dev_addr.bound_dev_if; in compare_netdev_and_ip()
479 return (ifindex_a > ifindex_b) ? 1 : -1; in compare_netdev_and_ip()
481 if (sa->sa_family != sb->sa_family) in compare_netdev_and_ip()
482 return sa->sa_family - sb->sa_family; in compare_netdev_and_ip()
484 if (sa->sa_family == AF_INET && in compare_netdev_and_ip()
486 return memcmp(&((struct sockaddr_in *)sa)->sin_addr, in compare_netdev_and_ip()
487 &((struct sockaddr_in *)sb)->sin_addr, in compare_netdev_and_ip()
488 sizeof(((struct sockaddr_in *)sa)->sin_addr)); in compare_netdev_and_ip()
491 if (sa->sa_family == AF_INET6 && in compare_netdev_and_ip()
493 return ipv6_addr_cmp(&((struct sockaddr_in6 *)sa)->sin6_addr, in compare_netdev_and_ip()
494 &((struct sockaddr_in6 *)sb)->sin6_addr); in compare_netdev_and_ip()
497 return -1; in compare_netdev_and_ip()
509 return -ENOMEM; in cma_add_id_to_tree()
516 node_id_priv->id.route.addr.dev_addr.bound_dev_if, in cma_add_id_to_tree()
521 new = &((*new)->rb_left); in cma_add_id_to_tree()
523 new = &((*new)->rb_right); in cma_add_id_to_tree()
525 list_add_tail(&node_id_priv->id_list_entry, in cma_add_id_to_tree()
526 &this->id_list); in cma_add_id_to_tree()
532 INIT_LIST_HEAD(&node->id_list); in cma_add_id_to_tree()
533 list_add_tail(&node_id_priv->id_list_entry, &node->id_list); in cma_add_id_to_tree()
535 rb_link_node(&node->rb_node, parent, new); in cma_add_id_to_tree()
536 rb_insert_color(&node->rb_node, &id_table); in cma_add_id_to_tree()
546 struct rb_node *node = root->rb_node; in node_from_ndev_ip()
554 node = node->rb_left; in node_from_ndev_ip()
556 node = node->rb_right; in node_from_ndev_ip()
570 if (list_empty(&id_priv->id_list_entry)) in cma_remove_id_from_tree()
574 id_priv->id.route.addr.dev_addr.bound_dev_if, in cma_remove_id_from_tree()
579 list_del_init(&id_priv->id_list_entry); in cma_remove_id_from_tree()
580 if (list_empty(&data->id_list)) { in cma_remove_id_from_tree()
581 rb_erase(&data->rb_node, &id_table); in cma_remove_id_from_tree()
592 id_priv->cma_dev = cma_dev; in _cma_attach_to_dev()
593 id_priv->id.device = cma_dev->device; in _cma_attach_to_dev()
594 id_priv->id.route.addr.dev_addr.transport = in _cma_attach_to_dev()
595 rdma_node_get_transport(cma_dev->device->node_type); in _cma_attach_to_dev()
596 list_add_tail(&id_priv->device_item, &cma_dev->id_list); in _cma_attach_to_dev()
598 trace_cm_id_attach(id_priv, cma_dev->device); in _cma_attach_to_dev()
605 id_priv->gid_type = in cma_attach_to_dev()
606 cma_dev->default_gid_type[id_priv->id.port_num - in cma_attach_to_dev()
607 rdma_start_port(cma_dev->device)]; in cma_attach_to_dev()
613 list_del_init(&id_priv->device_item); in cma_release_dev()
614 cma_dev_put(id_priv->cma_dev); in cma_release_dev()
615 id_priv->cma_dev = NULL; in cma_release_dev()
616 id_priv->id.device = NULL; in cma_release_dev()
617 if (id_priv->id.route.addr.dev_addr.sgid_attr) { in cma_release_dev()
618 rdma_put_gid_attr(id_priv->id.route.addr.dev_addr.sgid_attr); in cma_release_dev()
619 id_priv->id.route.addr.dev_addr.sgid_attr = NULL; in cma_release_dev()
626 return id_priv->id.route.addr.src_addr.ss_family; in cma_family()
634 switch (id_priv->id.ps) { in cma_set_default_qkey()
637 id_priv->qkey = RDMA_UDP_QKEY; in cma_set_default_qkey()
640 ib_addr_get_mgid(&id_priv->id.route.addr.dev_addr, &rec.mgid); in cma_set_default_qkey()
641 ret = ib_sa_get_mcmember_rec(id_priv->id.device, in cma_set_default_qkey()
642 id_priv->id.port_num, &rec.mgid, in cma_set_default_qkey()
645 id_priv->qkey = be32_to_cpu(rec.qkey); in cma_set_default_qkey()
656 (id_priv->qkey && (id_priv->qkey != qkey))) in cma_set_qkey()
657 return -EINVAL; in cma_set_qkey()
659 id_priv->qkey = qkey; in cma_set_qkey()
665 dev_addr->dev_type = ARPHRD_INFINIBAND; in cma_translate_ib()
666 rdma_addr_set_sgid(dev_addr, (union ib_gid *) &sib->sib_addr); in cma_translate_ib()
667 ib_addr_set_pkey(dev_addr, ntohs(sib->sib_pkey)); in cma_translate_ib()
674 if (addr->sa_family != AF_IB) { in cma_translate_addr()
685 cma_validate_port(struct ib_device *device, u32 port, in cma_validate_port() argument
690 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_validate_port()
691 const struct ib_gid_attr *sgid_attr = ERR_PTR(-ENODEV); in cma_validate_port()
692 int bound_if_index = dev_addr->bound_dev_if; in cma_validate_port()
693 int dev_type = dev_addr->dev_type; in cma_validate_port()
697 if (!rdma_dev_access_netns(device, id_priv->id.route.addr.dev_addr.net)) in cma_validate_port()
700 if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port)) in cma_validate_port()
703 if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port)) in cma_validate_port()
707 * For drivers that do not associate more than one net device with in cma_validate_port()
713 if (rdma_protocol_iwarp(device, port)) { in cma_validate_port()
714 sgid_attr = rdma_get_gid_attr(device, port, 0); in cma_validate_port()
719 ndev = rcu_dereference(sgid_attr->ndev); in cma_validate_port()
720 if (ndev->ifindex != bound_if_index) { in cma_validate_port()
721 pdev = dev_get_by_index_rcu(dev_addr->net, bound_if_index); in cma_validate_port()
725 if (ndev->ifindex == pdev->ifindex) in cma_validate_port()
726 bound_if_index = pdev->ifindex; in cma_validate_port()
730 if (bound_if_index == pdev->ifindex) in cma_validate_port()
731 bound_if_index = ndev->ifindex; in cma_validate_port()
735 if (!net_eq(dev_net(ndev), dev_addr->net) || in cma_validate_port()
736 ndev->ifindex != bound_if_index) { in cma_validate_port()
738 sgid_attr = ERR_PTR(-ENODEV); in cma_validate_port()
744 if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) { in cma_validate_port()
745 ndev = dev_get_by_index(dev_addr->net, bound_if_index); in cma_validate_port()
752 sgid_attr = rdma_find_gid_by_port(device, gid, gid_type, port, ndev); in cma_validate_port()
761 WARN_ON(id_priv->id.route.addr.dev_addr.sgid_attr); in cma_bind_sgid_attr()
762 id_priv->id.route.addr.dev_addr.sgid_attr = sgid_attr; in cma_bind_sgid_attr()
766 * cma_acquire_dev_by_src_ip - Acquire cma device, port, gid attribute
768 * @id_priv: cm_id which should be bound to cma device
770 * cma_acquire_dev_by_src_ip() binds cm id to cma device, port and GID attribute
776 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_acquire_dev_by_src_ip()
781 int ret = -ENODEV; in cma_acquire_dev_by_src_ip()
784 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_acquire_dev_by_src_ip()
785 id_priv->id.ps == RDMA_PS_IPOIB) in cma_acquire_dev_by_src_ip()
786 return -EINVAL; in cma_acquire_dev_by_src_ip()
788 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_acquire_dev_by_src_ip()
791 memcpy(&gid, dev_addr->src_dev_addr + in cma_acquire_dev_by_src_ip()
796 rdma_for_each_port (cma_dev->device, port) { in cma_acquire_dev_by_src_ip()
797 gidp = rdma_protocol_roce(cma_dev->device, port) ? in cma_acquire_dev_by_src_ip()
799 gid_type = cma_dev->default_gid_type[port - 1]; in cma_acquire_dev_by_src_ip()
800 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_acquire_dev_by_src_ip()
803 id_priv->id.port_num = port; in cma_acquire_dev_by_src_ip()
817 * cma_ib_acquire_dev - Acquire cma device, port and SGID attribute
818 * @id_priv: cm id to bind to cma device
819 * @listen_id_priv: listener cm id to match against
822 * cma_ib_acquire_dev() acquires cma device, port and SGID attribute when
823 * rdma device matches for listen_id and incoming request. It also verifies
831 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_ib_acquire_dev()
836 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_ib_acquire_dev()
837 id_priv->id.ps == RDMA_PS_IPOIB) in cma_ib_acquire_dev()
838 return -EINVAL; in cma_ib_acquire_dev()
840 if (rdma_protocol_roce(req->device, req->port)) in cma_ib_acquire_dev()
841 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_ib_acquire_dev()
844 memcpy(&gid, dev_addr->src_dev_addr + in cma_ib_acquire_dev()
847 gid_type = listen_id_priv->cma_dev->default_gid_type[req->port - 1]; in cma_ib_acquire_dev()
848 sgid_attr = cma_validate_port(req->device, req->port, in cma_ib_acquire_dev()
853 id_priv->id.port_num = req->port; in cma_ib_acquire_dev()
856 * of cma_dev->id_list such as cma_netdev_callback() and in cma_ib_acquire_dev()
860 cma_attach_to_dev(id_priv, listen_id_priv->cma_dev); in cma_ib_acquire_dev()
862 rdma_restrack_add(&id_priv->res); in cma_ib_acquire_dev()
869 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_iw_acquire_dev()
873 int ret = -ENODEV; in cma_iw_acquire_dev()
877 if (dev_addr->dev_type != ARPHRD_INFINIBAND && in cma_iw_acquire_dev()
878 id_priv->id.ps == RDMA_PS_IPOIB) in cma_iw_acquire_dev()
879 return -EINVAL; in cma_iw_acquire_dev()
881 memcpy(&gid, dev_addr->src_dev_addr + in cma_iw_acquire_dev()
886 cma_dev = listen_id_priv->cma_dev; in cma_iw_acquire_dev()
887 port = listen_id_priv->id.port_num; in cma_iw_acquire_dev()
888 gid_type = listen_id_priv->gid_type; in cma_iw_acquire_dev()
889 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_iw_acquire_dev()
892 id_priv->id.port_num = port; in cma_iw_acquire_dev()
899 rdma_for_each_port (cma_dev->device, port) { in cma_iw_acquire_dev()
900 if (listen_id_priv->cma_dev == cma_dev && in cma_iw_acquire_dev()
901 listen_id_priv->id.port_num == port) in cma_iw_acquire_dev()
904 gid_type = cma_dev->default_gid_type[port - 1]; in cma_iw_acquire_dev()
905 sgid_attr = cma_validate_port(cma_dev->device, port, in cma_iw_acquire_dev()
908 id_priv->id.port_num = port; in cma_iw_acquire_dev()
919 rdma_restrack_add(&id_priv->res); in cma_iw_acquire_dev()
927 * Select the source IB device and address to reach the destination IB address.
942 dgid = (union ib_gid *) &addr->sib_addr; in cma_resolve_ib_dev()
943 pkey = ntohs(addr->sib_pkey); in cma_resolve_ib_dev()
947 rdma_for_each_port (cur_dev->device, p) { in cma_resolve_ib_dev()
948 if (!rdma_cap_af_ib(cur_dev->device, p)) in cma_resolve_ib_dev()
951 if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index)) in cma_resolve_ib_dev()
954 if (ib_get_cached_port_state(cur_dev->device, p, &port_state)) in cma_resolve_ib_dev()
957 for (i = 0; i < cur_dev->device->port_data[p].immutable.gid_tbl_len; in cma_resolve_ib_dev()
959 ret = rdma_query_gid(cur_dev->device, p, i, in cma_resolve_ib_dev()
967 id_priv->id.port_num = p; in cma_resolve_ib_dev()
972 dgid->global.subnet_prefix) && in cma_resolve_ib_dev()
976 id_priv->id.port_num = p; in cma_resolve_ib_dev()
983 return -ENODEV; in cma_resolve_ib_dev()
987 rdma_restrack_add(&id_priv->res); in cma_resolve_ib_dev()
990 memcpy(&addr->sib_addr, &sgid, sizeof(sgid)); in cma_resolve_ib_dev()
991 cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr); in cma_resolve_ib_dev()
997 refcount_inc(&id_priv->refcount); in cma_id_get()
1002 if (refcount_dec_and_test(&id_priv->refcount)) in cma_id_put()
1003 complete(&id_priv->comp); in cma_id_put()
1015 return ERR_PTR(-ENOMEM); in __rdma_create_id()
1017 id_priv->state = RDMA_CM_IDLE; in __rdma_create_id()
1018 id_priv->id.context = context; in __rdma_create_id()
1019 id_priv->id.event_handler = event_handler; in __rdma_create_id()
1020 id_priv->id.ps = ps; in __rdma_create_id()
1021 id_priv->id.qp_type = qp_type; in __rdma_create_id()
1022 id_priv->tos_set = false; in __rdma_create_id()
1023 id_priv->timeout_set = false; in __rdma_create_id()
1024 id_priv->min_rnr_timer_set = false; in __rdma_create_id()
1025 id_priv->gid_type = IB_GID_TYPE_IB; in __rdma_create_id()
1026 spin_lock_init(&id_priv->lock); in __rdma_create_id()
1027 mutex_init(&id_priv->qp_mutex); in __rdma_create_id()
1028 init_completion(&id_priv->comp); in __rdma_create_id()
1029 refcount_set(&id_priv->refcount, 1); in __rdma_create_id()
1030 mutex_init(&id_priv->handler_mutex); in __rdma_create_id()
1031 INIT_LIST_HEAD(&id_priv->device_item); in __rdma_create_id()
1032 INIT_LIST_HEAD(&id_priv->id_list_entry); in __rdma_create_id()
1033 INIT_LIST_HEAD(&id_priv->listen_list); in __rdma_create_id()
1034 INIT_LIST_HEAD(&id_priv->mc_list); in __rdma_create_id()
1035 get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); in __rdma_create_id()
1036 id_priv->id.route.addr.dev_addr.net = get_net(net); in __rdma_create_id()
1037 id_priv->seq_num &= 0x00ffffff; in __rdma_create_id()
1038 INIT_WORK(&id_priv->id.net_work, cma_netevent_work_handler); in __rdma_create_id()
1040 rdma_restrack_new(&id_priv->res, RDMA_RESTRACK_CM_ID); in __rdma_create_id()
1042 rdma_restrack_parent_name(&id_priv->res, &parent->res); in __rdma_create_id()
1058 rdma_restrack_set_name(&ret->res, caller); in __rdma_create_kernel_id()
1059 return &ret->id; in __rdma_create_kernel_id()
1070 ret = __rdma_create_id(current->nsproxy->net_ns, event_handler, context, in rdma_create_user_id()
1075 rdma_restrack_set_name(&ret->res, NULL); in rdma_create_user_id()
1076 return &ret->id; in rdma_create_user_id()
1086 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_init_ud_qp()
1112 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_init_conn_qp()
1119 int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd, in rdma_create_qp() argument
1126 id_priv = container_of(id, struct rdma_id_private, id); in rdma_create_qp()
1127 if (id->device != pd->device) { in rdma_create_qp()
1128 ret = -EINVAL; in rdma_create_qp()
1132 qp_init_attr->port_num = id->port_num; in rdma_create_qp()
1139 if (id->qp_type == IB_QPT_UD) in rdma_create_qp()
1146 id->qp = qp; in rdma_create_qp()
1147 id_priv->qp_num = qp->qp_num; in rdma_create_qp()
1148 id_priv->srq = (qp->srq != NULL); in rdma_create_qp()
1159 void rdma_destroy_qp(struct rdma_cm_id *id) in rdma_destroy_qp() argument
1163 id_priv = container_of(id, struct rdma_id_private, id); in rdma_destroy_qp()
1165 mutex_lock(&id_priv->qp_mutex); in rdma_destroy_qp()
1166 ib_destroy_qp(id_priv->id.qp); in rdma_destroy_qp()
1167 id_priv->id.qp = NULL; in rdma_destroy_qp()
1168 mutex_unlock(&id_priv->qp_mutex); in rdma_destroy_qp()
1178 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_rtr()
1179 if (!id_priv->id.qp) { in cma_modify_qp_rtr()
1186 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rtr()
1190 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rtr()
1195 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rtr()
1199 BUG_ON(id_priv->cma_dev->device != id_priv->id.device); in cma_modify_qp_rtr()
1202 qp_attr.max_dest_rd_atomic = conn_param->responder_resources; in cma_modify_qp_rtr()
1203 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rtr()
1205 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_rtr()
1215 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_rts()
1216 if (!id_priv->id.qp) { in cma_modify_qp_rts()
1222 ret = rdma_init_qp_attr(&id_priv->id, &qp_attr, &qp_attr_mask); in cma_modify_qp_rts()
1227 qp_attr.max_rd_atomic = conn_param->initiator_depth; in cma_modify_qp_rts()
1228 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask); in cma_modify_qp_rts()
1230 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_rts()
1239 mutex_lock(&id_priv->qp_mutex); in cma_modify_qp_err()
1240 if (!id_priv->id.qp) { in cma_modify_qp_err()
1246 ret = ib_modify_qp(id_priv->id.qp, &qp_attr, IB_QP_STATE); in cma_modify_qp_err()
1248 mutex_unlock(&id_priv->qp_mutex); in cma_modify_qp_err()
1255 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_ib_init_qp_attr()
1259 if (rdma_cap_eth_ah(id_priv->id.device, id_priv->id.port_num)) in cma_ib_init_qp_attr()
1264 ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num, in cma_ib_init_qp_attr()
1265 pkey, &qp_attr->pkey_index); in cma_ib_init_qp_attr()
1269 qp_attr->port_num = id_priv->id.port_num; in cma_ib_init_qp_attr()
1272 if (id_priv->id.qp_type == IB_QPT_UD) { in cma_ib_init_qp_attr()
1277 qp_attr->qkey = id_priv->qkey; in cma_ib_init_qp_attr()
1280 qp_attr->qp_access_flags = 0; in cma_ib_init_qp_attr()
1286 int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, in rdma_init_qp_attr() argument
1292 id_priv = container_of(id, struct rdma_id_private, id); in rdma_init_qp_attr()
1293 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_init_qp_attr()
1294 if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD)) in rdma_init_qp_attr()
1297 ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, qp_attr, in rdma_init_qp_attr()
1300 if (qp_attr->qp_state == IB_QPS_RTR) in rdma_init_qp_attr()
1301 qp_attr->rq_psn = id_priv->seq_num; in rdma_init_qp_attr()
1302 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_init_qp_attr()
1303 if (!id_priv->cm_id.iw) { in rdma_init_qp_attr()
1304 qp_attr->qp_access_flags = 0; in rdma_init_qp_attr()
1307 ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr, in rdma_init_qp_attr()
1309 qp_attr->port_num = id_priv->id.port_num; in rdma_init_qp_attr()
1312 ret = -ENOSYS; in rdma_init_qp_attr()
1315 if ((*qp_attr_mask & IB_QP_TIMEOUT) && id_priv->timeout_set) in rdma_init_qp_attr()
1316 qp_attr->timeout = id_priv->timeout; in rdma_init_qp_attr()
1318 if ((*qp_attr_mask & IB_QP_MIN_RNR_TIMER) && id_priv->min_rnr_timer_set) in rdma_init_qp_attr()
1319 qp_attr->min_rnr_timer = id_priv->min_rnr_timer; in rdma_init_qp_attr()
1327 switch (addr->sa_family) { in cma_zero_addr()
1329 return ipv4_is_zeronet(((struct sockaddr_in *)addr)->sin_addr.s_addr); in cma_zero_addr()
1331 return ipv6_addr_any(&((struct sockaddr_in6 *)addr)->sin6_addr); in cma_zero_addr()
1333 return ib_addr_any(&((struct sockaddr_ib *)addr)->sib_addr); in cma_zero_addr()
1341 switch (addr->sa_family) { in cma_loopback_addr()
1344 ((struct sockaddr_in *)addr)->sin_addr.s_addr); in cma_loopback_addr()
1347 &((struct sockaddr_in6 *)addr)->sin6_addr); in cma_loopback_addr()
1350 &((struct sockaddr_ib *)addr)->sib_addr); in cma_loopback_addr()
1363 if (src->sa_family != dst->sa_family) in cma_addr_cmp()
1364 return -1; in cma_addr_cmp()
1366 switch (src->sa_family) { in cma_addr_cmp()
1368 return ((struct sockaddr_in *)src)->sin_addr.s_addr != in cma_addr_cmp()
1369 ((struct sockaddr_in *)dst)->sin_addr.s_addr; in cma_addr_cmp()
1375 if (ipv6_addr_cmp(&src_addr6->sin6_addr, in cma_addr_cmp()
1376 &dst_addr6->sin6_addr)) in cma_addr_cmp()
1378 link_local = ipv6_addr_type(&dst_addr6->sin6_addr) & in cma_addr_cmp()
1381 return link_local ? (src_addr6->sin6_scope_id != in cma_addr_cmp()
1382 dst_addr6->sin6_scope_id) : in cma_addr_cmp()
1387 return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr, in cma_addr_cmp()
1388 &((struct sockaddr_ib *) dst)->sib_addr); in cma_addr_cmp()
1396 switch (addr->sa_family) { in cma_port()
1398 return ((struct sockaddr_in *) addr)->sin_port; in cma_port()
1400 return ((struct sockaddr_in6 *) addr)->sin6_port; in cma_port()
1403 return htons((u16) (be64_to_cpu(sib->sib_sid) & in cma_port()
1404 be64_to_cpu(sib->sib_sid_mask))); in cma_port()
1422 listen_ib = (struct sockaddr_ib *) &listen_id->route.addr.src_addr; in cma_save_ib_info()
1425 ib->sib_family = AF_IB; in cma_save_ib_info()
1427 ib->sib_pkey = path->pkey; in cma_save_ib_info()
1428 ib->sib_flowinfo = path->flow_label; in cma_save_ib_info()
1429 memcpy(&ib->sib_addr, &path->sgid, 16); in cma_save_ib_info()
1430 ib->sib_sid = path->service_id; in cma_save_ib_info()
1431 ib->sib_scope_id = 0; in cma_save_ib_info()
1433 ib->sib_pkey = listen_ib->sib_pkey; in cma_save_ib_info()
1434 ib->sib_flowinfo = listen_ib->sib_flowinfo; in cma_save_ib_info()
1435 ib->sib_addr = listen_ib->sib_addr; in cma_save_ib_info()
1436 ib->sib_sid = listen_ib->sib_sid; in cma_save_ib_info()
1437 ib->sib_scope_id = listen_ib->sib_scope_id; in cma_save_ib_info()
1439 ib->sib_sid_mask = cpu_to_be64(0xffffffffffffffffULL); in cma_save_ib_info()
1443 ib->sib_family = AF_IB; in cma_save_ib_info()
1445 ib->sib_pkey = path->pkey; in cma_save_ib_info()
1446 ib->sib_flowinfo = path->flow_label; in cma_save_ib_info()
1447 memcpy(&ib->sib_addr, &path->dgid, 16); in cma_save_ib_info()
1460 .sin_addr.s_addr = hdr->dst_addr.ip4.addr, in cma_save_ip4_info()
1468 .sin_addr.s_addr = hdr->src_addr.ip4.addr, in cma_save_ip4_info()
1469 .sin_port = hdr->port, in cma_save_ip4_info()
1482 .sin6_addr = hdr->dst_addr.ip6, in cma_save_ip6_info()
1490 .sin6_addr = hdr->src_addr.ip6, in cma_save_ip6_info()
1491 .sin6_port = hdr->port, in cma_save_ip6_info()
1509 hdr = ib_event->private_data; in cma_save_ip_info()
1510 if (hdr->cma_version != CMA_VERSION) in cma_save_ip_info()
1511 return -EINVAL; in cma_save_ip_info()
1525 return -EAFNOSUPPORT; in cma_save_ip_info()
1538 if (ib_event->event == IB_CM_REQ_RECEIVED) in cma_save_net_info()
1540 ib_event->param.req_rcvd.primary_path); in cma_save_net_info()
1541 else if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) in cma_save_net_info()
1553 &ib_event->param.req_rcvd; in cma_save_req_info()
1555 &ib_event->param.sidr_req_rcvd; in cma_save_req_info()
1557 switch (ib_event->event) { in cma_save_req_info()
1559 req->device = req_param->listen_id->device; in cma_save_req_info()
1560 req->port = req_param->port; in cma_save_req_info()
1561 memcpy(&req->local_gid, &req_param->primary_path->sgid, in cma_save_req_info()
1562 sizeof(req->local_gid)); in cma_save_req_info()
1563 req->has_gid = true; in cma_save_req_info()
1564 req->service_id = req_param->primary_path->service_id; in cma_save_req_info()
1565 req->pkey = be16_to_cpu(req_param->primary_path->pkey); in cma_save_req_info()
1566 if (req->pkey != req_param->bth_pkey) in cma_save_req_info()
1569 req_param->bth_pkey, req->pkey); in cma_save_req_info()
1572 req->device = sidr_param->listen_id->device; in cma_save_req_info()
1573 req->port = sidr_param->port; in cma_save_req_info()
1574 req->has_gid = false; in cma_save_req_info()
1575 req->service_id = sidr_param->service_id; in cma_save_req_info()
1576 req->pkey = sidr_param->pkey; in cma_save_req_info()
1577 if (req->pkey != sidr_param->bth_pkey) in cma_save_req_info()
1580 sidr_param->bth_pkey, req->pkey); in cma_save_req_info()
1583 return -EINVAL; in cma_save_req_info()
1593 __be32 daddr = dst_addr->sin_addr.s_addr, in validate_ipv4_net_dev()
1594 saddr = src_addr->sin_addr.s_addr; in validate_ipv4_net_dev()
1607 fl4.flowi4_oif = net_dev->ifindex; in validate_ipv4_net_dev()
1624 const int strict = ipv6_addr_type(&dst_addr->sin6_addr) & in validate_ipv6_net_dev()
1626 struct rt6_info *rt = rt6_lookup(dev_net(net_dev), &dst_addr->sin6_addr, in validate_ipv6_net_dev()
1627 &src_addr->sin6_addr, net_dev->ifindex, in validate_ipv6_net_dev()
1634 ret = rt->rt6i_idev->dev == net_dev; in validate_ipv6_net_dev()
1652 switch (daddr->sa_family) { in validate_net_dev()
1654 return saddr->sa_family == AF_INET && in validate_net_dev()
1658 return saddr->sa_family == AF_INET6 && in validate_net_dev()
1672 if (ib_event->event == IB_CM_REQ_RECEIVED) in roce_get_net_dev_by_cm_event()
1673 sgid_attr = ib_event->param.req_rcvd.ppath_sgid_attr; in roce_get_net_dev_by_cm_event()
1674 else if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) in roce_get_net_dev_by_cm_event()
1675 sgid_attr = ib_event->param.sidr_req_rcvd.sgid_attr; in roce_get_net_dev_by_cm_event()
1694 (struct sockaddr *)&req->listen_addr_storage; in cma_get_net_dev()
1695 struct sockaddr *src_addr = (struct sockaddr *)&req->src_addr_storage; in cma_get_net_dev()
1697 const union ib_gid *gid = req->has_gid ? &req->local_gid : NULL; in cma_get_net_dev()
1701 req->service_id); in cma_get_net_dev()
1705 if (rdma_protocol_roce(req->device, req->port)) in cma_get_net_dev()
1708 net_dev = ib_get_net_dev_by_params(req->device, req->port, in cma_get_net_dev()
1709 req->pkey, in cma_get_net_dev()
1712 return ERR_PTR(-ENODEV); in cma_get_net_dev()
1729 if (cma_any_addr(addr) && !id_priv->afonly) in cma_match_private_data()
1732 switch (addr->sa_family) { in cma_match_private_data()
1734 ip4_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr; in cma_match_private_data()
1738 hdr->dst_addr.ip4.addr != ip4_addr) in cma_match_private_data()
1742 ip6_addr = ((struct sockaddr_in6 *)addr)->sin6_addr; in cma_match_private_data()
1746 memcmp(&hdr->dst_addr.ip6, &ip6_addr, sizeof(ip6_addr))) in cma_match_private_data()
1758 static bool cma_protocol_roce(const struct rdma_cm_id *id) in cma_protocol_roce() argument
1760 struct ib_device *device = id->device; in cma_protocol_roce() local
1761 const u32 port_num = id->port_num ?: rdma_start_port(device); in cma_protocol_roce()
1763 return rdma_protocol_roce(device, port_num); in cma_protocol_roce()
1769 (const struct sockaddr *)&req->listen_addr_storage; in cma_is_req_ipv6_ll()
1773 return (daddr->sa_family == AF_INET6 && in cma_is_req_ipv6_ll()
1774 (ipv6_addr_type(&daddr6->sin6_addr) & IPV6_ADDR_LINKLOCAL)); in cma_is_req_ipv6_ll()
1777 static bool cma_match_net_dev(const struct rdma_cm_id *id, in cma_match_net_dev() argument
1781 const struct rdma_addr *addr = &id->route.addr; in cma_match_net_dev()
1785 return (!id->port_num || id->port_num == req->port) && in cma_match_net_dev()
1786 (addr->src_addr.ss_family == AF_IB); in cma_match_net_dev()
1790 * request to any netdevice of the one or multiport rdma device. in cma_match_net_dev()
1798 if (net_eq(dev_net(net_dev), addr->dev_addr.net) && in cma_match_net_dev()
1799 (!!addr->dev_addr.bound_dev_if == in cma_match_net_dev()
1800 (addr->dev_addr.bound_dev_if == net_dev->ifindex))) in cma_match_net_dev()
1818 return ERR_PTR(-EINVAL); in cma_find_listener()
1820 hlist_for_each_entry(id_priv, &bind_list->owners, node) { in cma_find_listener()
1821 if (cma_match_private_data(id_priv, ib_event->private_data)) { in cma_find_listener()
1822 if (id_priv->id.device == cm_id->device && in cma_find_listener()
1823 cma_match_net_dev(&id_priv->id, net_dev, req)) in cma_find_listener()
1826 &id_priv->listen_list, in cma_find_listener()
1828 if (id_priv_dev->id.device == cm_id->device && in cma_find_listener()
1829 cma_match_net_dev(&id_priv_dev->id, in cma_find_listener()
1836 return ERR_PTR(-EINVAL); in cma_find_listener()
1855 if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) { in cma_ib_id_from_event()
1872 * If the device state is not IFF_UP, its properties such as ifindex in cma_ib_id_from_event()
1875 * ongoing operations on net device after device is closed using in cma_ib_id_from_event()
1886 if (((*net_dev)->flags & IFF_UP) == 0) { in cma_ib_id_from_event()
1887 id_priv = ERR_PTR(-EHOSTUNREACH); in cma_ib_id_from_event()
1892 (struct sockaddr *)&req->src_addr_storage, in cma_ib_id_from_event()
1893 (struct sockaddr *)&req->listen_addr_storage)) { in cma_ib_id_from_event()
1894 id_priv = ERR_PTR(-EHOSTUNREACH); in cma_ib_id_from_event()
1900 rdma_ps_from_service_id(req->service_id), in cma_ib_id_from_event()
1901 cma_port_from_service_id(req->service_id)); in cma_ib_id_from_event()
1920 if (rdma_cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) { in cma_cancel_route()
1921 if (id_priv->query) in cma_cancel_route()
1922 ib_sa_cancel_query(id_priv->query_id, id_priv->query); in cma_cancel_route()
1936 list_del_init(&id_priv->listen_any_item); in _cma_cancel_listens()
1938 while (!list_empty(&id_priv->listen_list)) { in _cma_cancel_listens()
1940 list_first_entry(&id_priv->listen_list, in _cma_cancel_listens()
1942 /* sync with device removal to avoid duplicate destruction */ in _cma_cancel_listens()
1943 list_del_init(&dev_id_priv->device_item); in _cma_cancel_listens()
1944 list_del_init(&dev_id_priv->listen_item); in _cma_cancel_listens()
1947 rdma_destroy_id(&dev_id_priv->id); in _cma_cancel_listens()
1972 rdma_addr_cancel(&id_priv->id.route.addr.dev_addr); in cma_cancel_operation()
1978 if (cma_any_addr(cma_src_addr(id_priv)) && !id_priv->cma_dev) in cma_cancel_operation()
1988 struct rdma_bind_list *bind_list = id_priv->bind_list; in cma_release_port()
1989 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_release_port()
1995 hlist_del(&id_priv->node); in cma_release_port()
1996 if (hlist_empty(&bind_list->owners)) { in cma_release_port()
1997 cma_ps_remove(net, bind_list->ps, bind_list->port); in cma_release_port()
2006 bool send_only = mc->join_state == BIT(SENDONLY_FULLMEMBER_JOIN); in destroy_mc()
2008 if (rdma_cap_ib_mcast(id_priv->id.device, id_priv->id.port_num)) in destroy_mc()
2009 ib_sa_free_multicast(mc->sa_mc); in destroy_mc()
2011 if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) { in destroy_mc()
2013 &id_priv->id.route.addr.dev_addr; in destroy_mc()
2016 if (dev_addr->bound_dev_if) in destroy_mc()
2017 ndev = dev_get_by_index(dev_addr->net, in destroy_mc()
2018 dev_addr->bound_dev_if); in destroy_mc()
2023 gid_type = id_priv->cma_dev->default_gid_type in destroy_mc()
2024 [id_priv->id.port_num - in destroy_mc()
2026 id_priv->cma_dev->device)]; in destroy_mc()
2027 cma_iboe_set_mgid((struct sockaddr *)&mc->addr, &mgid, in destroy_mc()
2033 cancel_work_sync(&mc->iboe_join.work); in destroy_mc()
2042 while (!list_empty(&id_priv->mc_list)) { in cma_leave_mc_groups()
2043 mc = list_first_entry(&id_priv->mc_list, struct cma_multicast, in cma_leave_mc_groups()
2045 list_del(&mc->list); in cma_leave_mc_groups()
2055 rdma_restrack_del(&id_priv->res); in _destroy_id()
2057 if (id_priv->cma_dev) { in _destroy_id()
2058 if (rdma_cap_ib_cm(id_priv->id.device, 1)) { in _destroy_id()
2059 if (id_priv->cm_id.ib) in _destroy_id()
2060 ib_destroy_cm_id(id_priv->cm_id.ib); in _destroy_id()
2061 } else if (rdma_cap_iw_cm(id_priv->id.device, 1)) { in _destroy_id()
2062 if (id_priv->cm_id.iw) in _destroy_id()
2063 iw_destroy_cm_id(id_priv->cm_id.iw); in _destroy_id()
2071 wait_for_completion(&id_priv->comp); in _destroy_id()
2073 if (id_priv->internal_id) in _destroy_id()
2074 cma_id_put(id_priv->id.context); in _destroy_id()
2076 kfree(id_priv->id.route.path_rec); in _destroy_id()
2077 kfree(id_priv->id.route.path_rec_inbound); in _destroy_id()
2078 kfree(id_priv->id.route.path_rec_outbound); in _destroy_id()
2080 put_net(id_priv->id.route.addr.dev_addr.net); in _destroy_id()
2085 * destroy an ID from within the handler_mutex. This ensures that no other
2089 __releases(&idprv->handler_mutex) in destroy_id_handler_unlock()
2102 lockdep_assert_held(&id_priv->handler_mutex); in destroy_id_handler_unlock()
2103 spin_lock_irqsave(&id_priv->lock, flags); in destroy_id_handler_unlock()
2104 state = id_priv->state; in destroy_id_handler_unlock()
2105 id_priv->state = RDMA_CM_DESTROYING; in destroy_id_handler_unlock()
2106 spin_unlock_irqrestore(&id_priv->lock, flags); in destroy_id_handler_unlock()
2107 mutex_unlock(&id_priv->handler_mutex); in destroy_id_handler_unlock()
2111 void rdma_destroy_id(struct rdma_cm_id *id) in rdma_destroy_id() argument
2114 container_of(id, struct rdma_id_private, id); in rdma_destroy_id()
2116 mutex_lock(&id_priv->handler_mutex); in rdma_destroy_id()
2134 ret = ib_send_cm_rtu(id_priv->cm_id.ib, NULL, 0); in cma_rep_recv()
2143 ib_send_cm_rej(id_priv->cm_id.ib, IB_CM_REJ_CONSUMER_DEFINED, in cma_rep_recv()
2152 event->param.conn.private_data = private_data; in cma_set_rep_event_data()
2153 event->param.conn.private_data_len = IB_CM_REP_PRIVATE_DATA_SIZE; in cma_set_rep_event_data()
2154 event->param.conn.responder_resources = rep_data->responder_resources; in cma_set_rep_event_data()
2155 event->param.conn.initiator_depth = rep_data->initiator_depth; in cma_set_rep_event_data()
2156 event->param.conn.flow_control = rep_data->flow_control; in cma_set_rep_event_data()
2157 event->param.conn.rnr_retry_count = rep_data->rnr_retry_count; in cma_set_rep_event_data()
2158 event->param.conn.srq = rep_data->srq; in cma_set_rep_event_data()
2159 event->param.conn.qp_num = rep_data->remote_qpn; in cma_set_rep_event_data()
2161 event->ece.vendor_id = rep_data->ece.vendor_id; in cma_set_rep_event_data()
2162 event->ece.attr_mod = rep_data->ece.attr_mod; in cma_set_rep_event_data()
2170 lockdep_assert_held(&id_priv->handler_mutex); in cma_cm_event_handler()
2173 ret = id_priv->id.event_handler(&id_priv->id, event); in cma_cm_event_handler()
2181 struct rdma_id_private *id_priv = cm_id->context; in cma_ib_handler()
2186 mutex_lock(&id_priv->handler_mutex); in cma_ib_handler()
2187 state = READ_ONCE(id_priv->state); in cma_ib_handler()
2188 if ((ib_event->event != IB_CM_TIMEWAIT_EXIT && in cma_ib_handler()
2190 (ib_event->event == IB_CM_TIMEWAIT_EXIT && in cma_ib_handler()
2194 switch (ib_event->event) { in cma_ib_handler()
2198 event.status = -ETIMEDOUT; in cma_ib_handler()
2202 (id_priv->id.qp_type != IB_QPT_UD)) { in cma_ib_handler()
2206 if (id_priv->id.qp) { in cma_ib_handler()
2213 cma_set_rep_event_data(&event, &ib_event->param.rep_rcvd, in cma_ib_handler()
2214 ib_event->private_data); in cma_ib_handler()
2221 event.status = -ETIMEDOUT; in cma_ib_handler()
2237 pr_debug_ratelimited("RDMA CM: REJECTED: %s\n", rdma_reject_msg(&id_priv->id, in cma_ib_handler()
2238 ib_event->param.rej_rcvd.reason)); in cma_ib_handler()
2240 event.status = ib_event->param.rej_rcvd.reason; in cma_ib_handler()
2242 event.param.conn.private_data = ib_event->private_data; in cma_ib_handler()
2247 ib_event->event); in cma_ib_handler()
2253 /* Destroy the CM ID by returning a non-zero value. */ in cma_ib_handler()
2254 id_priv->cm_id.ib = NULL; in cma_ib_handler()
2259 mutex_unlock(&id_priv->handler_mutex); in cma_ib_handler()
2270 struct rdma_cm_id *id; in cma_ib_new_conn_id() local
2272 const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; in cma_ib_new_conn_id()
2273 struct sa_path_rec *path = ib_event->param.req_rcvd.primary_path; in cma_ib_new_conn_id()
2275 ib_event->param.req_rcvd.primary_path->service_id; in cma_ib_new_conn_id()
2278 listen_id_priv = container_of(listen_id, struct rdma_id_private, id); in cma_ib_new_conn_id()
2279 id_priv = __rdma_create_id(listen_id->route.addr.dev_addr.net, in cma_ib_new_conn_id()
2280 listen_id->event_handler, listen_id->context, in cma_ib_new_conn_id()
2281 listen_id->ps, in cma_ib_new_conn_id()
2282 ib_event->param.req_rcvd.qp_type, in cma_ib_new_conn_id()
2287 id = &id_priv->id; in cma_ib_new_conn_id()
2288 if (cma_save_net_info((struct sockaddr *)&id->route.addr.src_addr, in cma_ib_new_conn_id()
2289 (struct sockaddr *)&id->route.addr.dst_addr, in cma_ib_new_conn_id()
2293 rt = &id->route; in cma_ib_new_conn_id()
2294 rt->num_pri_alt_paths = ib_event->param.req_rcvd.alternate_path ? 2 : 1; in cma_ib_new_conn_id()
2295 rt->path_rec = kmalloc_array(rt->num_pri_alt_paths, in cma_ib_new_conn_id()
2296 sizeof(*rt->path_rec), GFP_KERNEL); in cma_ib_new_conn_id()
2297 if (!rt->path_rec) in cma_ib_new_conn_id()
2300 rt->path_rec[0] = *path; in cma_ib_new_conn_id()
2301 if (rt->num_pri_alt_paths == 2) in cma_ib_new_conn_id()
2302 rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path; in cma_ib_new_conn_id()
2305 rdma_copy_src_l2_addr(&rt->addr.dev_addr, net_dev); in cma_ib_new_conn_id()
2309 rt->addr.dev_addr.dev_type = ARPHRD_INFINIBAND; in cma_ib_new_conn_id()
2310 rdma_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid); in cma_ib_new_conn_id()
2311 ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey)); in cma_ib_new_conn_id()
2313 ret = cma_translate_addr(cma_src_addr(id_priv), &rt->addr.dev_addr); in cma_ib_new_conn_id()
2318 rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid); in cma_ib_new_conn_id()
2320 id_priv->state = RDMA_CM_CONNECT; in cma_ib_new_conn_id()
2324 rdma_destroy_id(id); in cma_ib_new_conn_id()
2335 struct rdma_cm_id *id; in cma_ib_new_udp_id() local
2336 const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; in cma_ib_new_udp_id()
2337 struct net *net = listen_id->route.addr.dev_addr.net; in cma_ib_new_udp_id()
2340 listen_id_priv = container_of(listen_id, struct rdma_id_private, id); in cma_ib_new_udp_id()
2341 id_priv = __rdma_create_id(net, listen_id->event_handler, in cma_ib_new_udp_id()
2342 listen_id->context, listen_id->ps, IB_QPT_UD, in cma_ib_new_udp_id()
2347 id = &id_priv->id; in cma_ib_new_udp_id()
2348 if (cma_save_net_info((struct sockaddr *)&id->route.addr.src_addr, in cma_ib_new_udp_id()
2349 (struct sockaddr *)&id->route.addr.dst_addr, in cma_ib_new_udp_id()
2351 ib_event->param.sidr_req_rcvd.service_id)) in cma_ib_new_udp_id()
2355 rdma_copy_src_l2_addr(&id->route.addr.dev_addr, net_dev); in cma_ib_new_udp_id()
2359 &id->route.addr.dev_addr); in cma_ib_new_udp_id()
2365 id_priv->state = RDMA_CM_CONNECT; in cma_ib_new_udp_id()
2368 rdma_destroy_id(id); in cma_ib_new_udp_id()
2376 event->param.conn.private_data = private_data + offset; in cma_set_req_event_data()
2377 event->param.conn.private_data_len = IB_CM_REQ_PRIVATE_DATA_SIZE - offset; in cma_set_req_event_data()
2378 event->param.conn.responder_resources = req_data->responder_resources; in cma_set_req_event_data()
2379 event->param.conn.initiator_depth = req_data->initiator_depth; in cma_set_req_event_data()
2380 event->param.conn.flow_control = req_data->flow_control; in cma_set_req_event_data()
2381 event->param.conn.retry_count = req_data->retry_count; in cma_set_req_event_data()
2382 event->param.conn.rnr_retry_count = req_data->rnr_retry_count; in cma_set_req_event_data()
2383 event->param.conn.srq = req_data->srq; in cma_set_req_event_data()
2384 event->param.conn.qp_num = req_data->remote_qpn; in cma_set_req_event_data()
2386 event->ece.vendor_id = req_data->ece.vendor_id; in cma_set_req_event_data()
2387 event->ece.attr_mod = req_data->ece.attr_mod; in cma_set_req_event_data()
2390 static int cma_ib_check_req_qp_type(const struct rdma_cm_id *id, in cma_ib_check_req_qp_type() argument
2393 return (((ib_event->event == IB_CM_REQ_RECEIVED) && in cma_ib_check_req_qp_type()
2394 (ib_event->param.req_rcvd.qp_type == id->qp_type)) || in cma_ib_check_req_qp_type()
2395 ((ib_event->event == IB_CM_SIDR_REQ_RECEIVED) && in cma_ib_check_req_qp_type()
2396 (id->qp_type == IB_QPT_UD)) || in cma_ib_check_req_qp_type()
2397 (!id->qp_type)); in cma_ib_check_req_qp_type()
2414 trace_cm_req_handler(listen_id, ib_event->event); in cma_ib_req_handler()
2415 if (!cma_ib_check_req_qp_type(&listen_id->id, ib_event)) { in cma_ib_req_handler()
2416 ret = -EINVAL; in cma_ib_req_handler()
2420 mutex_lock(&listen_id->handler_mutex); in cma_ib_req_handler()
2421 if (READ_ONCE(listen_id->state) != RDMA_CM_LISTEN) { in cma_ib_req_handler()
2422 ret = -ECONNABORTED; in cma_ib_req_handler()
2428 if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) { in cma_ib_req_handler()
2429 conn_id = cma_ib_new_udp_id(&listen_id->id, ib_event, net_dev); in cma_ib_req_handler()
2430 event.param.ud.private_data = ib_event->private_data + offset; in cma_ib_req_handler()
2432 IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE - offset; in cma_ib_req_handler()
2434 conn_id = cma_ib_new_conn_id(&listen_id->id, ib_event, net_dev); in cma_ib_req_handler()
2435 cma_set_req_event_data(&event, &ib_event->param.req_rcvd, in cma_ib_req_handler()
2436 ib_event->private_data, offset); in cma_ib_req_handler()
2439 ret = -ENOMEM; in cma_ib_req_handler()
2443 mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); in cma_ib_req_handler()
2450 conn_id->cm_id.ib = cm_id; in cma_ib_req_handler()
2451 cm_id->context = conn_id; in cma_ib_req_handler()
2452 cm_id->cm_handler = cma_ib_handler; in cma_ib_req_handler()
2456 /* Destroy the CM ID by returning a non-zero value. */ in cma_ib_req_handler()
2457 conn_id->cm_id.ib = NULL; in cma_ib_req_handler()
2458 mutex_unlock(&listen_id->handler_mutex); in cma_ib_req_handler()
2463 if (READ_ONCE(conn_id->state) == RDMA_CM_CONNECT && in cma_ib_req_handler()
2464 conn_id->id.qp_type != IB_QPT_UD) { in cma_ib_req_handler()
2465 trace_cm_send_mra(cm_id->context); in cma_ib_req_handler()
2468 mutex_unlock(&conn_id->handler_mutex); in cma_ib_req_handler()
2471 mutex_unlock(&listen_id->handler_mutex); in cma_ib_req_handler()
2479 __be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_get_service_id() argument
2481 if (addr->sa_family == AF_IB) in rdma_get_service_id()
2482 return ((struct sockaddr_ib *) addr)->sib_sid; in rdma_get_service_id()
2484 return cpu_to_be64(((u64)id->ps << 16) + be16_to_cpu(cma_port(addr))); in rdma_get_service_id()
2491 struct rdma_addr *addr = &cm_id->route.addr; in rdma_read_gids()
2493 if (!cm_id->device) { in rdma_read_gids()
2501 if (rdma_protocol_roce(cm_id->device, cm_id->port_num)) { in rdma_read_gids()
2503 rdma_ip2gid((struct sockaddr *)&addr->src_addr, sgid); in rdma_read_gids()
2505 rdma_ip2gid((struct sockaddr *)&addr->dst_addr, dgid); in rdma_read_gids()
2508 rdma_addr_get_sgid(&addr->dev_addr, sgid); in rdma_read_gids()
2510 rdma_addr_get_dgid(&addr->dev_addr, dgid); in rdma_read_gids()
2517 struct rdma_id_private *id_priv = iw_id->context; in cma_iw_handler()
2520 struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; in cma_iw_handler()
2521 struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; in cma_iw_handler()
2523 mutex_lock(&id_priv->handler_mutex); in cma_iw_handler()
2524 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in cma_iw_handler()
2527 switch (iw_event->event) { in cma_iw_handler()
2536 switch (iw_event->status) { in cma_iw_handler()
2539 event.param.conn.initiator_depth = iw_event->ird; in cma_iw_handler()
2540 event.param.conn.responder_resources = iw_event->ord; in cma_iw_handler()
2542 case -ECONNRESET: in cma_iw_handler()
2543 case -ECONNREFUSED: in cma_iw_handler()
2546 case -ETIMEDOUT: in cma_iw_handler()
2556 event.param.conn.initiator_depth = iw_event->ird; in cma_iw_handler()
2557 event.param.conn.responder_resources = iw_event->ord; in cma_iw_handler()
2563 event.status = iw_event->status; in cma_iw_handler()
2564 event.param.conn.private_data = iw_event->private_data; in cma_iw_handler()
2565 event.param.conn.private_data_len = iw_event->private_data_len; in cma_iw_handler()
2568 /* Destroy the CM ID by returning a non-zero value. */ in cma_iw_handler()
2569 id_priv->cm_id.iw = NULL; in cma_iw_handler()
2575 mutex_unlock(&id_priv->handler_mutex); in cma_iw_handler()
2584 int ret = -ECONNABORTED; in iw_conn_req_handler()
2585 struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; in iw_conn_req_handler()
2586 struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; in iw_conn_req_handler()
2589 event.param.conn.private_data = iw_event->private_data; in iw_conn_req_handler()
2590 event.param.conn.private_data_len = iw_event->private_data_len; in iw_conn_req_handler()
2591 event.param.conn.initiator_depth = iw_event->ird; in iw_conn_req_handler()
2592 event.param.conn.responder_resources = iw_event->ord; in iw_conn_req_handler()
2594 listen_id = cm_id->context; in iw_conn_req_handler()
2596 mutex_lock(&listen_id->handler_mutex); in iw_conn_req_handler()
2597 if (READ_ONCE(listen_id->state) != RDMA_CM_LISTEN) in iw_conn_req_handler()
2600 /* Create a new RDMA id for the new IW CM ID */ in iw_conn_req_handler()
2601 conn_id = __rdma_create_id(listen_id->id.route.addr.dev_addr.net, in iw_conn_req_handler()
2602 listen_id->id.event_handler, in iw_conn_req_handler()
2603 listen_id->id.context, RDMA_PS_TCP, in iw_conn_req_handler()
2606 ret = -ENOMEM; in iw_conn_req_handler()
2609 mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); in iw_conn_req_handler()
2610 conn_id->state = RDMA_CM_CONNECT; in iw_conn_req_handler()
2612 ret = rdma_translate_ip(laddr, &conn_id->id.route.addr.dev_addr); in iw_conn_req_handler()
2614 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2621 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2626 conn_id->cm_id.iw = cm_id; in iw_conn_req_handler()
2627 cm_id->context = conn_id; in iw_conn_req_handler()
2628 cm_id->cm_handler = cma_iw_handler; in iw_conn_req_handler()
2635 /* User wants to destroy the CM ID */ in iw_conn_req_handler()
2636 conn_id->cm_id.iw = NULL; in iw_conn_req_handler()
2637 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2642 mutex_unlock(&conn_id->handler_mutex); in iw_conn_req_handler()
2645 mutex_unlock(&listen_id->handler_mutex); in iw_conn_req_handler()
2652 struct ib_cm_id *id; in cma_ib_listen() local
2656 svc_id = rdma_get_service_id(&id_priv->id, addr); in cma_ib_listen()
2657 id = ib_cm_insert_listen(id_priv->id.device, in cma_ib_listen()
2659 if (IS_ERR(id)) in cma_ib_listen()
2660 return PTR_ERR(id); in cma_ib_listen()
2661 id_priv->cm_id.ib = id; in cma_ib_listen()
2669 struct iw_cm_id *id; in cma_iw_listen() local
2671 id = iw_create_cm_id(id_priv->id.device, in cma_iw_listen()
2674 if (IS_ERR(id)) in cma_iw_listen()
2675 return PTR_ERR(id); in cma_iw_listen()
2677 mutex_lock(&id_priv->qp_mutex); in cma_iw_listen()
2678 id->tos = id_priv->tos; in cma_iw_listen()
2679 id->tos_set = id_priv->tos_set; in cma_iw_listen()
2680 mutex_unlock(&id_priv->qp_mutex); in cma_iw_listen()
2681 id->afonly = id_priv->afonly; in cma_iw_listen()
2682 id_priv->cm_id.iw = id; in cma_iw_listen()
2684 memcpy(&id_priv->cm_id.iw->local_addr, cma_src_addr(id_priv), in cma_iw_listen()
2687 ret = iw_cm_listen(id_priv->cm_id.iw, backlog); in cma_iw_listen()
2690 iw_destroy_cm_id(id_priv->cm_id.iw); in cma_iw_listen()
2691 id_priv->cm_id.iw = NULL; in cma_iw_listen()
2697 static int cma_listen_handler(struct rdma_cm_id *id, in cma_listen_handler() argument
2700 struct rdma_id_private *id_priv = id->context; in cma_listen_handler()
2703 if (event->event == RDMA_CM_EVENT_DEVICE_REMOVAL) in cma_listen_handler()
2704 return -1; in cma_listen_handler()
2706 id->context = id_priv->id.context; in cma_listen_handler()
2707 id->event_handler = id_priv->id.event_handler; in cma_listen_handler()
2709 return id_priv->id.event_handler(id, event); in cma_listen_handler()
2717 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_listen_on_dev()
2723 if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1)) in cma_listen_on_dev()
2728 id_priv->id.ps, id_priv->id.qp_type, id_priv); in cma_listen_on_dev()
2732 dev_id_priv->state = RDMA_CM_ADDR_BOUND; in cma_listen_on_dev()
2737 rdma_restrack_add(&dev_id_priv->res); in cma_listen_on_dev()
2739 dev_id_priv->internal_id = 1; in cma_listen_on_dev()
2740 dev_id_priv->afonly = id_priv->afonly; in cma_listen_on_dev()
2741 mutex_lock(&id_priv->qp_mutex); in cma_listen_on_dev()
2742 dev_id_priv->tos_set = id_priv->tos_set; in cma_listen_on_dev()
2743 dev_id_priv->tos = id_priv->tos; in cma_listen_on_dev()
2744 mutex_unlock(&id_priv->qp_mutex); in cma_listen_on_dev()
2746 ret = rdma_listen(&dev_id_priv->id, id_priv->backlog); in cma_listen_on_dev()
2749 list_add_tail(&dev_id_priv->listen_item, &id_priv->listen_list); in cma_listen_on_dev()
2754 dev_warn(&cma_dev->device->dev, "RDMA CMA: %s, error %d\n", __func__, ret); in cma_listen_on_dev()
2765 list_add_tail(&id_priv->listen_any_item, &listen_any_list); in cma_listen_on_all()
2771 list_del_init(&to_destroy->device_item); in cma_listen_on_all()
2782 rdma_destroy_id(&to_destroy->id); in cma_listen_on_all()
2786 void rdma_set_service_type(struct rdma_cm_id *id, int tos) in rdma_set_service_type() argument
2790 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_service_type()
2791 mutex_lock(&id_priv->qp_mutex); in rdma_set_service_type()
2792 id_priv->tos = (u8) tos; in rdma_set_service_type()
2793 id_priv->tos_set = true; in rdma_set_service_type()
2794 mutex_unlock(&id_priv->qp_mutex); in rdma_set_service_type()
2799 * rdma_set_ack_timeout() - Set the ack timeout of QP associated
2801 * @id: Communication identifier to associated with service type.
2813 int rdma_set_ack_timeout(struct rdma_cm_id *id, u8 timeout) in rdma_set_ack_timeout() argument
2817 if (id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_INI) in rdma_set_ack_timeout()
2818 return -EINVAL; in rdma_set_ack_timeout()
2820 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_ack_timeout()
2821 mutex_lock(&id_priv->qp_mutex); in rdma_set_ack_timeout()
2822 id_priv->timeout = timeout; in rdma_set_ack_timeout()
2823 id_priv->timeout_set = true; in rdma_set_ack_timeout()
2824 mutex_unlock(&id_priv->qp_mutex); in rdma_set_ack_timeout()
2831 * rdma_set_min_rnr_timer() - Set the minimum RNR Retry timer of the
2833 * @id: Communication identifier to associated with service type.
2834 * @min_rnr_timer: 5-bit value encoded as Table 45: "Encoding for RNR NAK
2848 int rdma_set_min_rnr_timer(struct rdma_cm_id *id, u8 min_rnr_timer) in rdma_set_min_rnr_timer() argument
2852 /* It is a five-bit value */ in rdma_set_min_rnr_timer()
2854 return -EINVAL; in rdma_set_min_rnr_timer()
2856 if (WARN_ON(id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_TGT)) in rdma_set_min_rnr_timer()
2857 return -EINVAL; in rdma_set_min_rnr_timer()
2859 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_min_rnr_timer()
2860 mutex_lock(&id_priv->qp_mutex); in rdma_set_min_rnr_timer()
2861 id_priv->min_rnr_timer = min_rnr_timer; in rdma_set_min_rnr_timer()
2862 id_priv->min_rnr_timer_set = true; in rdma_set_min_rnr_timer()
2863 mutex_unlock(&id_priv->qp_mutex); in rdma_set_min_rnr_timer()
2872 struct rdma_route *route = &work->id->id.route; in route_set_path_rec_inbound()
2874 if (!route->path_rec_inbound) { in route_set_path_rec_inbound()
2875 route->path_rec_inbound = in route_set_path_rec_inbound()
2876 kzalloc(sizeof(*route->path_rec_inbound), GFP_KERNEL); in route_set_path_rec_inbound()
2877 if (!route->path_rec_inbound) in route_set_path_rec_inbound()
2878 return -ENOMEM; in route_set_path_rec_inbound()
2881 *route->path_rec_inbound = *path_rec; in route_set_path_rec_inbound()
2888 struct rdma_route *route = &work->id->id.route; in route_set_path_rec_outbound()
2890 if (!route->path_rec_outbound) { in route_set_path_rec_outbound()
2891 route->path_rec_outbound = in route_set_path_rec_outbound()
2892 kzalloc(sizeof(*route->path_rec_outbound), GFP_KERNEL); in route_set_path_rec_outbound()
2893 if (!route->path_rec_outbound) in route_set_path_rec_outbound()
2894 return -ENOMEM; in route_set_path_rec_outbound()
2897 *route->path_rec_outbound = *path_rec; in route_set_path_rec_outbound()
2908 route = &work->id->id.route; in cma_query_handler()
2915 *route->path_rec = path_rec[i]; in cma_query_handler()
2922 status = -EINVAL; in cma_query_handler()
2928 route->num_pri_alt_paths = 1; in cma_query_handler()
2929 queue_work(cma_wq, &work->work); in cma_query_handler()
2933 work->old_state = RDMA_CM_ROUTE_QUERY; in cma_query_handler()
2934 work->new_state = RDMA_CM_ADDR_RESOLVED; in cma_query_handler()
2935 work->event.event = RDMA_CM_EVENT_ROUTE_ERROR; in cma_query_handler()
2936 work->event.status = status; in cma_query_handler()
2939 queue_work(cma_wq, &work->work); in cma_query_handler()
2945 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_query_ib_route()
2953 if (rdma_cap_opa_ah(id_priv->id.device, id_priv->id.port_num)) in cma_query_ib_route()
2962 path_rec.service_id = rdma_get_service_id(&id_priv->id, in cma_query_ib_route()
2971 path_rec.qos_class = cpu_to_be16((u16) id_priv->tos); in cma_query_ib_route()
2976 path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20); in cma_query_ib_route()
2981 path_rec.traffic_class = (u8) (be32_to_cpu(sib->sib_flowinfo) >> 20); in cma_query_ib_route()
2986 id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device, in cma_query_ib_route()
2987 id_priv->id.port_num, &path_rec, in cma_query_ib_route()
2990 work, &id_priv->query); in cma_query_ib_route()
2992 return (id_priv->query_id < 0) ? id_priv->query_id : 0; in cma_query_ib_route()
2999 struct rdma_cm_event *event = &mc->iboe_join.event; in cma_iboe_join_work_handler()
3000 struct rdma_id_private *id_priv = mc->id_priv; in cma_iboe_join_work_handler()
3003 mutex_lock(&id_priv->handler_mutex); in cma_iboe_join_work_handler()
3004 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_iboe_join_work_handler()
3005 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_iboe_join_work_handler()
3012 mutex_unlock(&id_priv->handler_mutex); in cma_iboe_join_work_handler()
3013 if (event->event == RDMA_CM_EVENT_MULTICAST_JOIN) in cma_iboe_join_work_handler()
3014 rdma_destroy_ah_attr(&event->param.ud.ah_attr); in cma_iboe_join_work_handler()
3020 struct rdma_id_private *id_priv = work->id; in cma_work_handler()
3022 mutex_lock(&id_priv->handler_mutex); in cma_work_handler()
3023 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_work_handler()
3024 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_work_handler()
3026 if (work->old_state != 0 || work->new_state != 0) { in cma_work_handler()
3027 if (!cma_comp_exch(id_priv, work->old_state, work->new_state)) in cma_work_handler()
3031 if (cma_cm_event_handler(id_priv, &work->event)) { in cma_work_handler()
3038 mutex_unlock(&id_priv->handler_mutex); in cma_work_handler()
3041 if (work->event.event == RDMA_CM_EVENT_MULTICAST_JOIN) in cma_work_handler()
3042 rdma_destroy_ah_attr(&work->event.param.ud.ah_attr); in cma_work_handler()
3049 work->id = id_priv; in cma_init_resolve_route_work()
3050 INIT_WORK(&work->work, cma_work_handler); in cma_init_resolve_route_work()
3051 work->old_state = RDMA_CM_ROUTE_QUERY; in cma_init_resolve_route_work()
3052 work->new_state = RDMA_CM_ROUTE_RESOLVED; in cma_init_resolve_route_work()
3053 work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; in cma_init_resolve_route_work()
3062 work->id = id_priv; in enqueue_resolve_addr_work()
3063 INIT_WORK(&work->work, cma_work_handler); in enqueue_resolve_addr_work()
3064 work->old_state = RDMA_CM_ADDR_QUERY; in enqueue_resolve_addr_work()
3065 work->new_state = RDMA_CM_ADDR_RESOLVED; in enqueue_resolve_addr_work()
3066 work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED; in enqueue_resolve_addr_work()
3068 queue_work(cma_wq, &work->work); in enqueue_resolve_addr_work()
3074 struct rdma_route *route = &id_priv->id.route; in cma_resolve_ib_route()
3080 return -ENOMEM; in cma_resolve_ib_route()
3084 if (!route->path_rec) in cma_resolve_ib_route()
3085 route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL); in cma_resolve_ib_route()
3086 if (!route->path_rec) { in cma_resolve_ib_route()
3087 ret = -ENOMEM; in cma_resolve_ib_route()
3097 kfree(route->path_rec); in cma_resolve_ib_route()
3098 route->path_rec = NULL; in cma_resolve_ib_route()
3126 struct rdma_route *route = &id_priv->id.route; in cma_iboe_set_path_rec_l2_fields()
3128 struct rdma_addr *addr = &route->addr; in cma_iboe_set_path_rec_l2_fields()
3132 if (!addr->dev_addr.bound_dev_if) in cma_iboe_set_path_rec_l2_fields()
3135 ndev = dev_get_by_index(addr->dev_addr.net, in cma_iboe_set_path_rec_l2_fields()
3136 addr->dev_addr.bound_dev_if); in cma_iboe_set_path_rec_l2_fields()
3140 supported_gids = roce_gid_type_mask_support(id_priv->id.device, in cma_iboe_set_path_rec_l2_fields()
3141 id_priv->id.port_num); in cma_iboe_set_path_rec_l2_fields()
3142 gid_type = cma_route_gid_type(addr->dev_addr.network, in cma_iboe_set_path_rec_l2_fields()
3144 id_priv->gid_type); in cma_iboe_set_path_rec_l2_fields()
3146 if (gid_type < ib_network_to_gid_type(addr->dev_addr.network)) in cma_iboe_set_path_rec_l2_fields()
3147 gid_type = ib_network_to_gid_type(addr->dev_addr.network); in cma_iboe_set_path_rec_l2_fields()
3148 route->path_rec->rec_type = sa_conv_gid_to_pathrec_type(gid_type); in cma_iboe_set_path_rec_l2_fields()
3150 route->path_rec->roce.route_resolved = true; in cma_iboe_set_path_rec_l2_fields()
3151 sa_path_set_dmac(route->path_rec, addr->dev_addr.dst_dev_addr); in cma_iboe_set_path_rec_l2_fields()
3155 int rdma_set_ib_path(struct rdma_cm_id *id, in rdma_set_ib_path() argument
3162 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_ib_path()
3165 return -EINVAL; in rdma_set_ib_path()
3167 id->route.path_rec = kmemdup(path_rec, sizeof(*path_rec), in rdma_set_ib_path()
3169 if (!id->route.path_rec) { in rdma_set_ib_path()
3170 ret = -ENOMEM; in rdma_set_ib_path()
3174 if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_set_ib_path()
3177 ret = -ENODEV; in rdma_set_ib_path()
3183 id->route.num_pri_alt_paths = 1; in rdma_set_ib_path()
3187 kfree(id->route.path_rec); in rdma_set_ib_path()
3188 id->route.path_rec = NULL; in rdma_set_ib_path()
3201 return -ENOMEM; in cma_resolve_iw_route()
3204 queue_work(cma_wq, &work->work); in cma_resolve_iw_route()
3213 if (dev->num_tc) in get_vlan_ndev_tc()
3229 struct iboe_prio_tc_map *map = (struct iboe_prio_tc_map *)priv->data; in get_lower_vlan_dev_tc()
3232 map->output_tc = get_vlan_ndev_tc(dev, map->input_prio); in get_lower_vlan_dev_tc()
3233 else if (dev->num_tc) in get_lower_vlan_dev_tc()
3234 map->output_tc = netdev_get_prio_tc_map(dev, map->input_prio); in get_lower_vlan_dev_tc()
3236 map->output_tc = 0; in get_lower_vlan_dev_tc()
3237 /* We are interested only in first level VLAN device, so always in get_lower_vlan_dev_tc()
3240 map->found = true; in get_lower_vlan_dev_tc()
3250 /* If VLAN device, get it directly from the VLAN netdev */ in iboe_tos_to_sl()
3261 /* If map is found from lower device, use it; Otherwise in iboe_tos_to_sl()
3266 else if (ndev->num_tc) in iboe_tos_to_sl()
3279 fl = be32_to_cpu(addr6->sin6_flowinfo) & IB_GRH_FLOWLABEL_MASK; in cma_get_roce_udp_flow_label()
3292 struct rdma_route *route = &id_priv->id.route; in cma_resolve_iboe_route()
3293 struct rdma_addr *addr = &route->addr; in cma_resolve_iboe_route()
3298 u8 default_roce_tos = id_priv->cma_dev->default_roce_tos[id_priv->id.port_num - in cma_resolve_iboe_route()
3299 rdma_start_port(id_priv->cma_dev->device)]; in cma_resolve_iboe_route()
3302 mutex_lock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3303 tos = id_priv->tos_set ? id_priv->tos : default_roce_tos; in cma_resolve_iboe_route()
3304 mutex_unlock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3308 return -ENOMEM; in cma_resolve_iboe_route()
3310 route->path_rec = kzalloc(sizeof *route->path_rec, GFP_KERNEL); in cma_resolve_iboe_route()
3311 if (!route->path_rec) { in cma_resolve_iboe_route()
3312 ret = -ENOMEM; in cma_resolve_iboe_route()
3316 route->num_pri_alt_paths = 1; in cma_resolve_iboe_route()
3320 ret = -ENODEV; in cma_resolve_iboe_route()
3324 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_resolve_iboe_route()
3325 &route->path_rec->sgid); in cma_resolve_iboe_route()
3326 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.dst_addr, in cma_resolve_iboe_route()
3327 &route->path_rec->dgid); in cma_resolve_iboe_route()
3329 if (((struct sockaddr *)&id_priv->id.route.addr.dst_addr)->sa_family != AF_IB) in cma_resolve_iboe_route()
3330 /* TODO: get the hoplimit from the inet/inet6 device */ in cma_resolve_iboe_route()
3331 route->path_rec->hop_limit = addr->dev_addr.hoplimit; in cma_resolve_iboe_route()
3333 route->path_rec->hop_limit = 1; in cma_resolve_iboe_route()
3334 route->path_rec->reversible = 1; in cma_resolve_iboe_route()
3335 route->path_rec->pkey = cpu_to_be16(0xffff); in cma_resolve_iboe_route()
3336 route->path_rec->mtu_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3337 route->path_rec->sl = iboe_tos_to_sl(ndev, tos); in cma_resolve_iboe_route()
3338 route->path_rec->traffic_class = tos; in cma_resolve_iboe_route()
3339 route->path_rec->mtu = iboe_get_mtu(ndev->mtu); in cma_resolve_iboe_route()
3340 route->path_rec->rate_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3341 route->path_rec->rate = IB_RATE_PORT_CURRENT; in cma_resolve_iboe_route()
3343 route->path_rec->packet_life_time_selector = IB_SA_EQ; in cma_resolve_iboe_route()
3351 mutex_lock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3352 if (id_priv->timeout_set && id_priv->timeout) in cma_resolve_iboe_route()
3353 route->path_rec->packet_life_time = id_priv->timeout - 1; in cma_resolve_iboe_route()
3355 route->path_rec->packet_life_time = CMA_IBOE_PACKET_LIFETIME; in cma_resolve_iboe_route()
3356 mutex_unlock(&id_priv->qp_mutex); in cma_resolve_iboe_route()
3358 if (!route->path_rec->mtu) { in cma_resolve_iboe_route()
3359 ret = -EINVAL; in cma_resolve_iboe_route()
3363 if (rdma_protocol_roce_udp_encap(id_priv->id.device, in cma_resolve_iboe_route()
3364 id_priv->id.port_num)) in cma_resolve_iboe_route()
3365 route->path_rec->flow_label = in cma_resolve_iboe_route()
3369 queue_work(cma_wq, &work->work); in cma_resolve_iboe_route()
3374 kfree(route->path_rec); in cma_resolve_iboe_route()
3375 route->path_rec = NULL; in cma_resolve_iboe_route()
3376 route->num_pri_alt_paths = 0; in cma_resolve_iboe_route()
3382 int rdma_resolve_route(struct rdma_cm_id *id, unsigned long timeout_ms) in rdma_resolve_route() argument
3388 return -EINVAL; in rdma_resolve_route()
3390 id_priv = container_of(id, struct rdma_id_private, id); in rdma_resolve_route()
3392 return -EINVAL; in rdma_resolve_route()
3395 if (rdma_cap_ib_sa(id->device, id->port_num)) in rdma_resolve_route()
3397 else if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_resolve_route()
3402 else if (rdma_protocol_iwarp(id->device, id->port_num)) in rdma_resolve_route()
3405 ret = -ENOSYS; in rdma_resolve_route()
3420 switch (addr->sa_family) { in cma_set_loopback()
3422 ((struct sockaddr_in *) addr)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); in cma_set_loopback()
3425 ipv6_addr_set(&((struct sockaddr_in6 *) addr)->sin6_addr, in cma_set_loopback()
3429 ib_addr_set(&((struct sockaddr_ib *) addr)->sib_addr, in cma_set_loopback()
3448 !rdma_cap_ib_cm(cur_dev->device, 1)) in cma_bind_loopback()
3454 rdma_for_each_port (cur_dev->device, p) { in cma_bind_loopback()
3455 if (!ib_get_cached_port_state(cur_dev->device, p, &port_state) && in cma_bind_loopback()
3464 ret = -ENODEV; in cma_bind_loopback()
3471 ret = rdma_query_gid(cma_dev->device, p, 0, &gid); in cma_bind_loopback()
3475 ret = ib_get_cached_pkey(cma_dev->device, p, 0, &pkey); in cma_bind_loopback()
3479 id_priv->id.route.addr.dev_addr.dev_type = in cma_bind_loopback()
3480 (rdma_protocol_ib(cma_dev->device, p)) ? in cma_bind_loopback()
3483 rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_bind_loopback()
3484 ib_addr_set_pkey(&id_priv->id.route.addr.dev_addr, pkey); in cma_bind_loopback()
3485 id_priv->id.port_num = p; in cma_bind_loopback()
3487 rdma_restrack_add(&id_priv->res); in cma_bind_loopback()
3502 mutex_lock(&id_priv->handler_mutex); in addr_handler()
3509 * matching rdma device, old address can be restored back, which helps in addr_handler()
3515 if (!status && !id_priv->cma_dev) { in addr_handler()
3518 pr_debug_ratelimited("RDMA CM: ADDR_ERROR: failed to acquire device. status %d\n", in addr_handler()
3520 rdma_restrack_add(&id_priv->res); in addr_handler()
3541 mutex_unlock(&id_priv->handler_mutex); in addr_handler()
3552 return -ENOMEM; in cma_resolve_loopback()
3554 if (!id_priv->cma_dev) { in cma_resolve_loopback()
3560 rdma_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_resolve_loopback()
3561 rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid); in cma_resolve_loopback()
3577 return -ENOMEM; in cma_resolve_ib_addr()
3579 if (!id_priv->cma_dev) { in cma_resolve_ib_addr()
3585 rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, (union ib_gid *) in cma_resolve_ib_addr()
3586 &(((struct sockaddr_ib *) &id_priv->id.route.addr.dst_addr)->sib_addr)); in cma_resolve_ib_addr()
3595 int rdma_set_reuseaddr(struct rdma_cm_id *id, int reuse) in rdma_set_reuseaddr() argument
3601 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_reuseaddr()
3602 spin_lock_irqsave(&id_priv->lock, flags); in rdma_set_reuseaddr()
3603 if ((reuse && id_priv->state != RDMA_CM_LISTEN) || in rdma_set_reuseaddr()
3604 id_priv->state == RDMA_CM_IDLE) { in rdma_set_reuseaddr()
3605 id_priv->reuseaddr = reuse; in rdma_set_reuseaddr()
3608 ret = -EINVAL; in rdma_set_reuseaddr()
3610 spin_unlock_irqrestore(&id_priv->lock, flags); in rdma_set_reuseaddr()
3615 int rdma_set_afonly(struct rdma_cm_id *id, int afonly) in rdma_set_afonly() argument
3621 id_priv = container_of(id, struct rdma_id_private, id); in rdma_set_afonly()
3622 spin_lock_irqsave(&id_priv->lock, flags); in rdma_set_afonly()
3623 if (id_priv->state == RDMA_CM_IDLE || id_priv->state == RDMA_CM_ADDR_BOUND) { in rdma_set_afonly()
3624 id_priv->options |= (1 << CMA_OPTION_AFONLY); in rdma_set_afonly()
3625 id_priv->afonly = afonly; in rdma_set_afonly()
3628 ret = -EINVAL; in rdma_set_afonly()
3630 spin_unlock_irqrestore(&id_priv->lock, flags); in rdma_set_afonly()
3646 port = htons(bind_list->port); in cma_bind_port()
3648 switch (addr->sa_family) { in cma_bind_port()
3650 ((struct sockaddr_in *) addr)->sin_port = port; in cma_bind_port()
3653 ((struct sockaddr_in6 *) addr)->sin6_port = port; in cma_bind_port()
3657 sid = be64_to_cpu(sib->sib_sid); in cma_bind_port()
3658 mask = be64_to_cpu(sib->sib_sid_mask); in cma_bind_port()
3659 sib->sib_sid = cpu_to_be64((sid & mask) | (u64) ntohs(port)); in cma_bind_port()
3660 sib->sib_sid_mask = cpu_to_be64(~0ULL); in cma_bind_port()
3663 id_priv->bind_list = bind_list; in cma_bind_port()
3664 hlist_add_head(&id_priv->node, &bind_list->owners); in cma_bind_port()
3677 return -ENOMEM; in cma_alloc_port()
3679 ret = cma_ps_alloc(id_priv->id.route.addr.dev_addr.net, ps, bind_list, in cma_alloc_port()
3684 bind_list->ps = ps; in cma_alloc_port()
3685 bind_list->port = snum; in cma_alloc_port()
3690 return ret == -ENOSPC ? -EADDRNOTAVAIL : ret; in cma_alloc_port()
3703 hlist_for_each_entry(cur_id, &bind_list->owners, node) { in cma_port_is_unique()
3711 /* different dest port -> unique */ in cma_port_is_unique()
3717 /* different src address -> unique */ in cma_port_is_unique()
3723 /* different dst address -> unique */ in cma_port_is_unique()
3729 return -EADDRNOTAVAIL; in cma_port_is_unique()
3740 struct net *net = id_priv->id.route.addr.dev_addr.net; in cma_alloc_any_port()
3745 remaining = (high - low) + 1; in cma_alloc_any_port()
3746 rover = get_random_u32_inclusive(low, remaining + low - 1); in cma_alloc_any_port()
3763 * re-using same port immediately after it is closed. in cma_alloc_any_port()
3767 if (ret != -EADDRNOTAVAIL) in cma_alloc_any_port()
3770 if (--remaining) { in cma_alloc_any_port()
3776 return -EADDRNOTAVAIL; in cma_alloc_any_port()
3794 hlist_for_each_entry(cur_id, &bind_list->owners, node) { in cma_check_port()
3798 if (reuseaddr && cur_id->reuseaddr) in cma_check_port()
3802 if (id_priv->afonly && cur_id->afonly && in cma_check_port()
3803 (addr->sa_family != cur_addr->sa_family)) in cma_check_port()
3807 return -EADDRNOTAVAIL; in cma_check_port()
3810 return -EADDRINUSE; in cma_check_port()
3826 return -EACCES; in cma_use_port()
3828 bind_list = cma_ps_find(id_priv->id.route.addr.dev_addr.net, ps, snum); in cma_use_port()
3832 ret = cma_check_port(bind_list, id_priv, id_priv->reuseaddr); in cma_use_port()
3842 switch (id_priv->id.ps) { in cma_select_inet_ps()
3847 return id_priv->id.ps; in cma_select_inet_ps()
3862 mask = be64_to_cpu(sib->sib_sid_mask) & RDMA_IB_IP_PS_MASK; in cma_select_ib_ps()
3863 sid = be64_to_cpu(sib->sib_sid) & mask; in cma_select_ib_ps()
3865 if ((id_priv->id.ps == RDMA_PS_IB) && (sid == (RDMA_IB_IP_PS_IB & mask))) { in cma_select_ib_ps()
3868 } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_TCP)) && in cma_select_ib_ps()
3872 } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_UDP)) && in cma_select_ib_ps()
3879 sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct sockaddr *) sib))); in cma_select_ib_ps()
3880 sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK | in cma_select_ib_ps()
3881 be64_to_cpu(sib->sib_sid_mask)); in cma_select_ib_ps()
3896 return -EPROTONOSUPPORT; in cma_get_port()
3914 if (addr->sa_family != AF_INET6) in cma_check_linklocal()
3919 if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)) in cma_check_linklocal()
3922 if (!sin6->sin6_scope_id) in cma_check_linklocal()
3923 return -EINVAL; in cma_check_linklocal()
3925 dev_addr->bound_dev_if = sin6->sin6_scope_id; in cma_check_linklocal()
3930 int rdma_listen(struct rdma_cm_id *id, int backlog) in rdma_listen() argument
3933 container_of(id, struct rdma_id_private, id); in rdma_listen()
3943 ret = rdma_bind_addr(id, (struct sockaddr *)&any_in); in rdma_listen()
3948 return -EINVAL; in rdma_listen()
3952 * Once the ID reaches RDMA_CM_LISTEN it is not allowed to be reusable in rdma_listen()
3955 if (id_priv->reuseaddr) { in rdma_listen()
3957 ret = cma_check_port(id_priv->bind_list, id_priv, 0); in rdma_listen()
3959 id_priv->reuseaddr = 0; in rdma_listen()
3965 id_priv->backlog = backlog; in rdma_listen()
3966 if (id_priv->cma_dev) { in rdma_listen()
3967 if (rdma_cap_ib_cm(id->device, 1)) { in rdma_listen()
3971 } else if (rdma_cap_iw_cm(id->device, 1)) { in rdma_listen()
3976 ret = -ENOSYS; in rdma_listen()
3987 id_priv->backlog = 0; in rdma_listen()
4003 if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6 && in rdma_bind_addr_dst()
4004 addr->sa_family != AF_IB) in rdma_bind_addr_dst()
4005 return -EAFNOSUPPORT; in rdma_bind_addr_dst()
4008 return -EINVAL; in rdma_bind_addr_dst()
4010 ret = cma_check_linklocal(&id_priv->id.route.addr.dev_addr, addr); in rdma_bind_addr_dst()
4016 ret = cma_translate_addr(addr, &id_priv->id.route.addr.dev_addr); in rdma_bind_addr_dst()
4025 if (!(id_priv->options & (1 << CMA_OPTION_AFONLY))) { in rdma_bind_addr_dst()
4026 if (addr->sa_family == AF_INET) in rdma_bind_addr_dst()
4027 id_priv->afonly = 1; in rdma_bind_addr_dst()
4029 else if (addr->sa_family == AF_INET6) { in rdma_bind_addr_dst()
4030 struct net *net = id_priv->id.route.addr.dev_addr.net; in rdma_bind_addr_dst()
4032 id_priv->afonly = net->ipv6.sysctl.bindv6only; in rdma_bind_addr_dst()
4039 id_daddr->sa_family = addr->sa_family; in rdma_bind_addr_dst()
4046 rdma_restrack_add(&id_priv->res); in rdma_bind_addr_dst()
4049 if (id_priv->cma_dev) in rdma_bind_addr_dst()
4056 static int cma_bind_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, in cma_bind_addr() argument
4060 container_of(id, struct rdma_id_private, id); in cma_bind_addr()
4063 if (src_addr && src_addr->sa_family) in cma_bind_addr()
4069 zero_sock.ss_family = dst_addr->sa_family; in cma_bind_addr()
4070 if (IS_ENABLED(CONFIG_IPV6) && dst_addr->sa_family == AF_INET6) { in cma_bind_addr()
4076 src_addr6->sin6_scope_id = dst_addr6->sin6_scope_id; in cma_bind_addr()
4077 if (ipv6_addr_type(&dst_addr6->sin6_addr) & IPV6_ADDR_LINKLOCAL) in cma_bind_addr()
4078 id->route.addr.dev_addr.bound_dev_if = in cma_bind_addr()
4079 dst_addr6->sin6_scope_id; in cma_bind_addr()
4080 } else if (dst_addr->sa_family == AF_IB) { in cma_bind_addr()
4081 ((struct sockaddr_ib *)&zero_sock)->sib_pkey = in cma_bind_addr()
4082 ((struct sockaddr_ib *)dst_addr)->sib_pkey; in cma_bind_addr()
4090 * calls made by ULP, a previously bound ID will not be re-bound and src_addr is
4101 ret = cma_bind_addr(&id_priv->id, src_addr, dst_addr); in resolve_prepare_src()
4106 return -EINVAL; in resolve_prepare_src()
4112 if (cma_family(id_priv) != dst_addr->sa_family) { in resolve_prepare_src()
4113 ret = -EINVAL; in resolve_prepare_src()
4123 int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, in rdma_resolve_addr() argument
4127 container_of(id, struct rdma_id_private, id); in rdma_resolve_addr()
4137 if (dst_addr->sa_family == AF_IB) { in rdma_resolve_addr()
4151 if (id_priv->used_resolve_ip) in rdma_resolve_addr()
4152 rdma_addr_cancel(&id->route.addr.dev_addr); in rdma_resolve_addr()
4154 id_priv->used_resolve_ip = 1; in rdma_resolve_addr()
4156 &id->route.addr.dev_addr, in rdma_resolve_addr()
4171 int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_bind_addr() argument
4174 container_of(id, struct rdma_id_private, id); in rdma_bind_addr()
4185 cma_hdr->cma_version = CMA_VERSION; in cma_format_hdr()
4193 cma_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr; in cma_format_hdr()
4194 cma_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr; in cma_format_hdr()
4195 cma_hdr->port = src4->sin_port; in cma_format_hdr()
4203 cma_hdr->src_addr.ip6 = src6->sin6_addr; in cma_format_hdr()
4204 cma_hdr->dst_addr.ip6 = dst6->sin6_addr; in cma_format_hdr()
4205 cma_hdr->port = src6->sin6_port; in cma_format_hdr()
4213 struct rdma_id_private *id_priv = cm_id->context; in cma_sidr_rep_handler()
4216 &ib_event->param.sidr_rep_rcvd; in cma_sidr_rep_handler()
4219 mutex_lock(&id_priv->handler_mutex); in cma_sidr_rep_handler()
4220 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in cma_sidr_rep_handler()
4223 switch (ib_event->event) { in cma_sidr_rep_handler()
4226 event.status = -ETIMEDOUT; in cma_sidr_rep_handler()
4229 event.param.ud.private_data = ib_event->private_data; in cma_sidr_rep_handler()
4231 if (rep->status != IB_SIDR_SUCCESS) { in cma_sidr_rep_handler()
4233 event.status = ib_event->param.sidr_rep_rcvd.status; in cma_sidr_rep_handler()
4238 ret = cma_set_qkey(id_priv, rep->qkey); in cma_sidr_rep_handler()
4245 ib_init_ah_attr_from_path(id_priv->id.device, in cma_sidr_rep_handler()
4246 id_priv->id.port_num, in cma_sidr_rep_handler()
4247 id_priv->id.route.path_rec, in cma_sidr_rep_handler()
4249 rep->sgid_attr); in cma_sidr_rep_handler()
4250 event.param.ud.qp_num = rep->qpn; in cma_sidr_rep_handler()
4251 event.param.ud.qkey = rep->qkey; in cma_sidr_rep_handler()
4257 ib_event->event); in cma_sidr_rep_handler()
4265 /* Destroy the CM ID by returning a non-zero value. */ in cma_sidr_rep_handler()
4266 id_priv->cm_id.ib = NULL; in cma_sidr_rep_handler()
4271 mutex_unlock(&id_priv->handler_mutex); in cma_sidr_rep_handler()
4279 struct ib_cm_id *id; in cma_resolve_ib_udp() local
4286 if (check_add_overflow(offset, conn_param->private_data_len, &req.private_data_len)) in cma_resolve_ib_udp()
4287 return -EINVAL; in cma_resolve_ib_udp()
4292 return -ENOMEM; in cma_resolve_ib_udp()
4297 if (conn_param->private_data && conn_param->private_data_len) in cma_resolve_ib_udp()
4298 memcpy(private_data + offset, conn_param->private_data, in cma_resolve_ib_udp()
4299 conn_param->private_data_len); in cma_resolve_ib_udp()
4308 id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler, in cma_resolve_ib_udp()
4310 if (IS_ERR(id)) { in cma_resolve_ib_udp()
4311 ret = PTR_ERR(id); in cma_resolve_ib_udp()
4314 id_priv->cm_id.ib = id; in cma_resolve_ib_udp()
4316 req.path = id_priv->id.route.path_rec; in cma_resolve_ib_udp()
4317 req.sgid_attr = id_priv->id.route.addr.dev_addr.sgid_attr; in cma_resolve_ib_udp()
4318 req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv)); in cma_resolve_ib_udp()
4319 req.timeout_ms = 1 << (CMA_CM_RESPONSE_TIMEOUT - 8); in cma_resolve_ib_udp()
4323 ret = ib_send_cm_sidr_req(id_priv->cm_id.ib, &req); in cma_resolve_ib_udp()
4325 ib_destroy_cm_id(id_priv->cm_id.ib); in cma_resolve_ib_udp()
4326 id_priv->cm_id.ib = NULL; in cma_resolve_ib_udp()
4339 struct ib_cm_id *id; in cma_connect_ib() local
4345 if (check_add_overflow(offset, conn_param->private_data_len, &req.private_data_len)) in cma_connect_ib()
4346 return -EINVAL; in cma_connect_ib()
4351 return -ENOMEM; in cma_connect_ib()
4356 if (conn_param->private_data && conn_param->private_data_len) in cma_connect_ib()
4357 memcpy(private_data + offset, conn_param->private_data, in cma_connect_ib()
4358 conn_param->private_data_len); in cma_connect_ib()
4360 id = ib_create_cm_id(id_priv->id.device, cma_ib_handler, id_priv); in cma_connect_ib()
4361 if (IS_ERR(id)) { in cma_connect_ib()
4362 ret = PTR_ERR(id); in cma_connect_ib()
4365 id_priv->cm_id.ib = id; in cma_connect_ib()
4367 route = &id_priv->id.route; in cma_connect_ib()
4375 req.primary_path = &route->path_rec[0]; in cma_connect_ib()
4376 req.primary_path_inbound = route->path_rec_inbound; in cma_connect_ib()
4377 req.primary_path_outbound = route->path_rec_outbound; in cma_connect_ib()
4378 if (route->num_pri_alt_paths == 2) in cma_connect_ib()
4379 req.alternate_path = &route->path_rec[1]; in cma_connect_ib()
4381 req.ppath_sgid_attr = id_priv->id.route.addr.dev_addr.sgid_attr; in cma_connect_ib()
4383 req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv)); in cma_connect_ib()
4384 req.qp_num = id_priv->qp_num; in cma_connect_ib()
4385 req.qp_type = id_priv->id.qp_type; in cma_connect_ib()
4386 req.starting_psn = id_priv->seq_num; in cma_connect_ib()
4387 req.responder_resources = conn_param->responder_resources; in cma_connect_ib()
4388 req.initiator_depth = conn_param->initiator_depth; in cma_connect_ib()
4389 req.flow_control = conn_param->flow_control; in cma_connect_ib()
4390 req.retry_count = min_t(u8, 7, conn_param->retry_count); in cma_connect_ib()
4391 req.rnr_retry_count = min_t(u8, 7, conn_param->rnr_retry_count); in cma_connect_ib()
4395 req.srq = id_priv->srq ? 1 : 0; in cma_connect_ib()
4396 req.ece.vendor_id = id_priv->ece.vendor_id; in cma_connect_ib()
4397 req.ece.attr_mod = id_priv->ece.attr_mod; in cma_connect_ib()
4400 ret = ib_send_cm_req(id_priv->cm_id.ib, &req); in cma_connect_ib()
4402 if (ret && !IS_ERR(id)) { in cma_connect_ib()
4403 ib_destroy_cm_id(id); in cma_connect_ib()
4404 id_priv->cm_id.ib = NULL; in cma_connect_ib()
4418 cm_id = iw_create_cm_id(id_priv->id.device, cma_iw_handler, id_priv); in cma_connect_iw()
4422 mutex_lock(&id_priv->qp_mutex); in cma_connect_iw()
4423 cm_id->tos = id_priv->tos; in cma_connect_iw()
4424 cm_id->tos_set = id_priv->tos_set; in cma_connect_iw()
4425 mutex_unlock(&id_priv->qp_mutex); in cma_connect_iw()
4427 id_priv->cm_id.iw = cm_id; in cma_connect_iw()
4429 memcpy(&cm_id->local_addr, cma_src_addr(id_priv), in cma_connect_iw()
4431 memcpy(&cm_id->remote_addr, cma_dst_addr(id_priv), in cma_connect_iw()
4439 iw_param.ord = conn_param->initiator_depth; in cma_connect_iw()
4440 iw_param.ird = conn_param->responder_resources; in cma_connect_iw()
4441 iw_param.private_data = conn_param->private_data; in cma_connect_iw()
4442 iw_param.private_data_len = conn_param->private_data_len; in cma_connect_iw()
4443 iw_param.qpn = id_priv->id.qp ? id_priv->qp_num : conn_param->qp_num; in cma_connect_iw()
4446 iw_param.qpn = id_priv->qp_num; in cma_connect_iw()
4452 id_priv->cm_id.iw = NULL; in cma_connect_iw()
4458 * rdma_connect_locked - Initiate an active connection request.
4459 * @id: Connection identifier to connect.
4465 int rdma_connect_locked(struct rdma_cm_id *id, in rdma_connect_locked() argument
4469 container_of(id, struct rdma_id_private, id); in rdma_connect_locked()
4473 return -EINVAL; in rdma_connect_locked()
4475 if (!id->qp) { in rdma_connect_locked()
4476 id_priv->qp_num = conn_param->qp_num; in rdma_connect_locked()
4477 id_priv->srq = conn_param->srq; in rdma_connect_locked()
4480 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_connect_locked()
4481 if (id->qp_type == IB_QPT_UD) in rdma_connect_locked()
4485 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_connect_locked()
4488 ret = -ENOSYS; in rdma_connect_locked()
4500 * rdma_connect - Initiate an active connection request.
4501 * @id: Connection identifier to connect.
4511 int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) in rdma_connect() argument
4514 container_of(id, struct rdma_id_private, id); in rdma_connect()
4517 mutex_lock(&id_priv->handler_mutex); in rdma_connect()
4518 ret = rdma_connect_locked(id, conn_param); in rdma_connect()
4519 mutex_unlock(&id_priv->handler_mutex); in rdma_connect()
4525 * rdma_connect_ece - Initiate an active connection request with ECE data.
4526 * @id: Connection identifier to connect.
4532 int rdma_connect_ece(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, in rdma_connect_ece() argument
4536 container_of(id, struct rdma_id_private, id); in rdma_connect_ece()
4538 id_priv->ece.vendor_id = ece->vendor_id; in rdma_connect_ece()
4539 id_priv->ece.attr_mod = ece->attr_mod; in rdma_connect_ece()
4541 return rdma_connect(id, conn_param); in rdma_connect_ece()
4560 rep.qp_num = id_priv->qp_num; in cma_accept_ib()
4561 rep.starting_psn = id_priv->seq_num; in cma_accept_ib()
4562 rep.private_data = conn_param->private_data; in cma_accept_ib()
4563 rep.private_data_len = conn_param->private_data_len; in cma_accept_ib()
4564 rep.responder_resources = conn_param->responder_resources; in cma_accept_ib()
4565 rep.initiator_depth = conn_param->initiator_depth; in cma_accept_ib()
4567 rep.flow_control = conn_param->flow_control; in cma_accept_ib()
4568 rep.rnr_retry_count = min_t(u8, 7, conn_param->rnr_retry_count); in cma_accept_ib()
4569 rep.srq = id_priv->srq ? 1 : 0; in cma_accept_ib()
4570 rep.ece.vendor_id = id_priv->ece.vendor_id; in cma_accept_ib()
4571 rep.ece.attr_mod = id_priv->ece.attr_mod; in cma_accept_ib()
4574 ret = ib_send_cm_rep(id_priv->cm_id.ib, &rep); in cma_accept_ib()
4586 return -EINVAL; in cma_accept_iw()
4592 iw_param.ord = conn_param->initiator_depth; in cma_accept_iw()
4593 iw_param.ird = conn_param->responder_resources; in cma_accept_iw()
4594 iw_param.private_data = conn_param->private_data; in cma_accept_iw()
4595 iw_param.private_data_len = conn_param->private_data_len; in cma_accept_iw()
4596 if (id_priv->id.qp) in cma_accept_iw()
4597 iw_param.qpn = id_priv->qp_num; in cma_accept_iw()
4599 iw_param.qpn = conn_param->qp_num; in cma_accept_iw()
4601 return iw_cm_accept(id_priv->cm_id.iw, &iw_param); in cma_accept_iw()
4620 rep.qp_num = id_priv->qp_num; in cma_send_sidr_rep()
4621 rep.qkey = id_priv->qkey; in cma_send_sidr_rep()
4623 rep.ece.vendor_id = id_priv->ece.vendor_id; in cma_send_sidr_rep()
4624 rep.ece.attr_mod = id_priv->ece.attr_mod; in cma_send_sidr_rep()
4631 return ib_send_cm_sidr_rep(id_priv->cm_id.ib, &rep); in cma_send_sidr_rep()
4635 * rdma_accept - Called to accept a connection request or response.
4636 * @id: Connection identifier associated with the request.
4646 * state of the qp associated with the id is modified to error, such that any
4652 int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) in rdma_accept() argument
4655 container_of(id, struct rdma_id_private, id); in rdma_accept()
4658 lockdep_assert_held(&id_priv->handler_mutex); in rdma_accept()
4660 if (READ_ONCE(id_priv->state) != RDMA_CM_CONNECT) in rdma_accept()
4661 return -EINVAL; in rdma_accept()
4663 if (!id->qp && conn_param) { in rdma_accept()
4664 id_priv->qp_num = conn_param->qp_num; in rdma_accept()
4665 id_priv->srq = conn_param->srq; in rdma_accept()
4668 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_accept()
4669 if (id->qp_type == IB_QPT_UD) { in rdma_accept()
4672 conn_param->qkey, in rdma_accept()
4673 conn_param->private_data, in rdma_accept()
4674 conn_param->private_data_len); in rdma_accept()
4684 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_accept()
4687 ret = -ENOSYS; in rdma_accept()
4695 rdma_reject(id, NULL, 0, IB_CM_REJ_CONSUMER_DEFINED); in rdma_accept()
4700 int rdma_accept_ece(struct rdma_cm_id *id, struct rdma_conn_param *conn_param, in rdma_accept_ece() argument
4704 container_of(id, struct rdma_id_private, id); in rdma_accept_ece()
4706 id_priv->ece.vendor_id = ece->vendor_id; in rdma_accept_ece()
4707 id_priv->ece.attr_mod = ece->attr_mod; in rdma_accept_ece()
4709 return rdma_accept(id, conn_param); in rdma_accept_ece()
4713 void rdma_lock_handler(struct rdma_cm_id *id) in rdma_lock_handler() argument
4716 container_of(id, struct rdma_id_private, id); in rdma_lock_handler()
4718 mutex_lock(&id_priv->handler_mutex); in rdma_lock_handler()
4722 void rdma_unlock_handler(struct rdma_cm_id *id) in rdma_unlock_handler() argument
4725 container_of(id, struct rdma_id_private, id); in rdma_unlock_handler()
4727 mutex_unlock(&id_priv->handler_mutex); in rdma_unlock_handler()
4731 int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event) in rdma_notify() argument
4736 id_priv = container_of(id, struct rdma_id_private, id); in rdma_notify()
4737 if (!id_priv->cm_id.ib) in rdma_notify()
4738 return -EINVAL; in rdma_notify()
4740 switch (id->device->node_type) { in rdma_notify()
4742 ret = ib_cm_notify(id_priv->cm_id.ib, event); in rdma_notify()
4752 int rdma_reject(struct rdma_cm_id *id, const void *private_data, in rdma_reject() argument
4758 id_priv = container_of(id, struct rdma_id_private, id); in rdma_reject()
4759 if (!id_priv->cm_id.ib) in rdma_reject()
4760 return -EINVAL; in rdma_reject()
4762 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_reject()
4763 if (id->qp_type == IB_QPT_UD) { in rdma_reject()
4768 ret = ib_send_cm_rej(id_priv->cm_id.ib, reason, NULL, 0, in rdma_reject()
4771 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_reject()
4772 ret = iw_cm_reject(id_priv->cm_id.iw, in rdma_reject()
4775 ret = -ENOSYS; in rdma_reject()
4782 int rdma_disconnect(struct rdma_cm_id *id) in rdma_disconnect() argument
4787 id_priv = container_of(id, struct rdma_id_private, id); in rdma_disconnect()
4788 if (!id_priv->cm_id.ib) in rdma_disconnect()
4789 return -EINVAL; in rdma_disconnect()
4791 if (rdma_cap_ib_cm(id->device, id->port_num)) { in rdma_disconnect()
4797 if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0)) { in rdma_disconnect()
4798 if (!ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0)) in rdma_disconnect()
4803 } else if (rdma_cap_iw_cm(id->device, id->port_num)) { in rdma_disconnect()
4804 ret = iw_cm_disconnect(id_priv->cm_id.iw, 0); in rdma_disconnect()
4806 ret = -EINVAL; in rdma_disconnect()
4826 event->status = status; in cma_make_mc_event()
4827 event->param.ud.private_data = mc->context; in cma_make_mc_event()
4829 event->event = RDMA_CM_EVENT_MULTICAST_ERROR; in cma_make_mc_event()
4833 dev_addr = &id_priv->id.route.addr.dev_addr; in cma_make_mc_event()
4834 ndev = dev_get_by_index(dev_addr->net, dev_addr->bound_dev_if); in cma_make_mc_event()
4836 id_priv->cma_dev in cma_make_mc_event()
4837 ->default_gid_type[id_priv->id.port_num - in cma_make_mc_event()
4839 id_priv->cma_dev->device)]; in cma_make_mc_event()
4841 event->event = RDMA_CM_EVENT_MULTICAST_JOIN; in cma_make_mc_event()
4842 if (ib_init_ah_from_mcmember(id_priv->id.device, id_priv->id.port_num, in cma_make_mc_event()
4843 &multicast->rec, ndev, gid_type, in cma_make_mc_event()
4844 &event->param.ud.ah_attr)) { in cma_make_mc_event()
4845 event->event = RDMA_CM_EVENT_MULTICAST_ERROR; in cma_make_mc_event()
4849 event->param.ud.qp_num = 0xFFFFFF; in cma_make_mc_event()
4850 event->param.ud.qkey = id_priv->qkey; in cma_make_mc_event()
4858 struct cma_multicast *mc = multicast->context; in cma_ib_mc_handler()
4859 struct rdma_id_private *id_priv = mc->id_priv; in cma_ib_mc_handler()
4863 mutex_lock(&id_priv->handler_mutex); in cma_ib_mc_handler()
4864 if (READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL || in cma_ib_mc_handler()
4865 READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING) in cma_ib_mc_handler()
4868 ret = cma_set_qkey(id_priv, be32_to_cpu(multicast->rec.qkey)); in cma_ib_mc_handler()
4877 mutex_unlock(&id_priv->handler_mutex); in cma_ib_mc_handler()
4885 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_set_mgid()
4891 } else if ((addr->sa_family == AF_INET6) && in cma_set_mgid()
4892 ((be32_to_cpu(sin6->sin6_addr.s6_addr32[0]) & 0xFFF0FFFF) == in cma_set_mgid()
4895 memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); in cma_set_mgid()
4896 } else if (addr->sa_family == AF_IB) { in cma_set_mgid()
4897 memcpy(mgid, &((struct sockaddr_ib *) addr)->sib_addr, sizeof *mgid); in cma_set_mgid()
4898 } else if (addr->sa_family == AF_INET6) { in cma_set_mgid()
4899 ipv6_ib_mc_map(&sin6->sin6_addr, dev_addr->broadcast, mc_map); in cma_set_mgid()
4900 if (id_priv->id.ps == RDMA_PS_UDP) in cma_set_mgid()
4904 ip_ib_mc_map(sin->sin_addr.s_addr, dev_addr->broadcast, mc_map); in cma_set_mgid()
4905 if (id_priv->id.ps == RDMA_PS_UDP) in cma_set_mgid()
4915 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_join_ib_multicast()
4920 ret = ib_sa_get_mcmember_rec(id_priv->id.device, id_priv->id.port_num, in cma_join_ib_multicast()
4925 if (!id_priv->qkey) { in cma_join_ib_multicast()
4931 cma_set_mgid(id_priv, (struct sockaddr *) &mc->addr, &rec.mgid); in cma_join_ib_multicast()
4932 rec.qkey = cpu_to_be32(id_priv->qkey); in cma_join_ib_multicast()
4935 rec.join_state = mc->join_state; in cma_join_ib_multicast()
4943 if (id_priv->id.ps == RDMA_PS_IPOIB) in cma_join_ib_multicast()
4950 mc->sa_mc = ib_sa_join_multicast(&sa_client, id_priv->id.device, in cma_join_ib_multicast()
4951 id_priv->id.port_num, &rec, comp_mask, in cma_join_ib_multicast()
4953 return PTR_ERR_OR_ZERO(mc->sa_mc); in cma_join_ib_multicast()
4964 } else if (addr->sa_family == AF_INET6) { in cma_iboe_set_mgid()
4965 memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); in cma_iboe_set_mgid()
4967 mgid->raw[0] = in cma_iboe_set_mgid()
4969 mgid->raw[1] = in cma_iboe_set_mgid()
4971 mgid->raw[2] = 0; in cma_iboe_set_mgid()
4972 mgid->raw[3] = 0; in cma_iboe_set_mgid()
4973 mgid->raw[4] = 0; in cma_iboe_set_mgid()
4974 mgid->raw[5] = 0; in cma_iboe_set_mgid()
4975 mgid->raw[6] = 0; in cma_iboe_set_mgid()
4976 mgid->raw[7] = 0; in cma_iboe_set_mgid()
4977 mgid->raw[8] = 0; in cma_iboe_set_mgid()
4978 mgid->raw[9] = 0; in cma_iboe_set_mgid()
4979 mgid->raw[10] = 0xff; in cma_iboe_set_mgid()
4980 mgid->raw[11] = 0xff; in cma_iboe_set_mgid()
4981 *(__be32 *)(&mgid->raw[12]) = sin->sin_addr.s_addr; in cma_iboe_set_mgid()
4988 struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr; in cma_iboe_join_multicast()
4990 struct sockaddr *addr = (struct sockaddr *)&mc->addr; in cma_iboe_join_multicast()
4996 send_only = mc->join_state == BIT(SENDONLY_FULLMEMBER_JOIN); in cma_iboe_join_multicast()
4999 return -EINVAL; in cma_iboe_join_multicast()
5001 gid_type = id_priv->cma_dev->default_gid_type[id_priv->id.port_num - in cma_iboe_join_multicast()
5002 rdma_start_port(id_priv->cma_dev->device)]; in cma_iboe_join_multicast()
5006 if (dev_addr->bound_dev_if) in cma_iboe_join_multicast()
5007 ndev = dev_get_by_index(dev_addr->net, dev_addr->bound_dev_if); in cma_iboe_join_multicast()
5009 return -ENODEV; in cma_iboe_join_multicast()
5013 ib.rec.mtu = iboe_get_mtu(ndev->mtu); in cma_iboe_join_multicast()
5015 if (addr->sa_family == AF_INET) { in cma_iboe_join_multicast()
5025 err = -ENOTSUPP; in cma_iboe_join_multicast()
5029 return err ?: -EINVAL; in cma_iboe_join_multicast()
5031 if (!id_priv->qkey) in cma_iboe_join_multicast()
5034 rdma_ip2gid((struct sockaddr *)&id_priv->id.route.addr.src_addr, in cma_iboe_join_multicast()
5036 INIT_WORK(&mc->iboe_join.work, cma_iboe_join_work_handler); in cma_iboe_join_multicast()
5037 cma_make_mc_event(0, id_priv, &ib, &mc->iboe_join.event, mc); in cma_iboe_join_multicast()
5038 queue_work(cma_wq, &mc->iboe_join.work); in cma_iboe_join_multicast()
5042 int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, in rdma_join_multicast() argument
5046 container_of(id, struct rdma_id_private, id); in rdma_join_multicast()
5051 if (WARN_ON(id->qp)) in rdma_join_multicast()
5052 return -EINVAL; in rdma_join_multicast()
5055 if (!id->device || (READ_ONCE(id_priv->state) != RDMA_CM_ADDR_BOUND && in rdma_join_multicast()
5056 READ_ONCE(id_priv->state) != RDMA_CM_ADDR_RESOLVED)) in rdma_join_multicast()
5057 return -EINVAL; in rdma_join_multicast()
5059 if (id_priv->id.qp_type != IB_QPT_UD) in rdma_join_multicast()
5060 return -EINVAL; in rdma_join_multicast()
5064 return -ENOMEM; in rdma_join_multicast()
5066 memcpy(&mc->addr, addr, rdma_addr_size(addr)); in rdma_join_multicast()
5067 mc->context = context; in rdma_join_multicast()
5068 mc->id_priv = id_priv; in rdma_join_multicast()
5069 mc->join_state = join_state; in rdma_join_multicast()
5071 if (rdma_protocol_roce(id->device, id->port_num)) { in rdma_join_multicast()
5075 } else if (rdma_cap_ib_mcast(id->device, id->port_num)) { in rdma_join_multicast()
5080 ret = -ENOSYS; in rdma_join_multicast()
5084 spin_lock(&id_priv->lock); in rdma_join_multicast()
5085 list_add(&mc->list, &id_priv->mc_list); in rdma_join_multicast()
5086 spin_unlock(&id_priv->lock); in rdma_join_multicast()
5095 void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr) in rdma_leave_multicast() argument
5100 id_priv = container_of(id, struct rdma_id_private, id); in rdma_leave_multicast()
5101 spin_lock_irq(&id_priv->lock); in rdma_leave_multicast()
5102 list_for_each_entry(mc, &id_priv->mc_list, list) { in rdma_leave_multicast()
5103 if (memcmp(&mc->addr, addr, rdma_addr_size(addr)) != 0) in rdma_leave_multicast()
5105 list_del(&mc->list); in rdma_leave_multicast()
5106 spin_unlock_irq(&id_priv->lock); in rdma_leave_multicast()
5108 WARN_ON(id_priv->cma_dev->device != id->device); in rdma_leave_multicast()
5112 spin_unlock_irq(&id_priv->lock); in rdma_leave_multicast()
5121 dev_addr = &id_priv->id.route.addr.dev_addr; in cma_netdev_change()
5123 if ((dev_addr->bound_dev_if == ndev->ifindex) && in cma_netdev_change()
5124 (net_eq(dev_net(ndev), dev_addr->net)) && in cma_netdev_change()
5125 memcmp(dev_addr->src_dev_addr, ndev->dev_addr, ndev->addr_len)) { in cma_netdev_change()
5126 pr_info("RDMA CM addr change for ndev %s used by id %p\n", in cma_netdev_change()
5127 ndev->name, &id_priv->id); in cma_netdev_change()
5130 return -ENOMEM; in cma_netdev_change()
5132 INIT_WORK(&work->work, cma_work_handler); in cma_netdev_change()
5133 work->id = id_priv; in cma_netdev_change()
5134 work->event.event = RDMA_CM_EVENT_ADDR_CHANGE; in cma_netdev_change()
5136 queue_work(cma_wq, &work->work); in cma_netdev_change()
5158 list_for_each_entry(id_priv, &cma_dev->id_list, device_item) { in cma_netdev_callback()
5172 container_of(_work, struct rdma_id_private, id.net_work); in cma_netevent_work_handler()
5175 mutex_lock(&id_priv->handler_mutex); in cma_netevent_work_handler()
5177 if (READ_ONCE(id_priv->state) == RDMA_CM_DESTROYING || in cma_netevent_work_handler()
5178 READ_ONCE(id_priv->state) == RDMA_CM_DEVICE_REMOVAL) in cma_netevent_work_handler()
5182 event.status = -ETIMEDOUT; in cma_netevent_work_handler()
5185 __acquire(&id_priv->handler_mutex); in cma_netevent_work_handler()
5186 id_priv->cm_id.ib = NULL; in cma_netevent_work_handler()
5193 mutex_unlock(&id_priv->handler_mutex); in cma_netevent_work_handler()
5209 if (neigh->tbl->family == AF_INET6) { in cma_netevent_callback()
5213 neigh_sock_6.sin6_addr = *(struct in6_addr *)neigh->primary_key; in cma_netevent_callback()
5214 ips_node = node_from_ndev_ip(&id_table, neigh->dev->ifindex, in cma_netevent_callback()
5216 } else if (neigh->tbl->family == AF_INET) { in cma_netevent_callback()
5220 neigh_sock_4.sin_addr.s_addr = *(__be32 *)(neigh->primary_key); in cma_netevent_callback()
5221 ips_node = node_from_ndev_ip(&id_table, neigh->dev->ifindex, in cma_netevent_callback()
5229 list_for_each_entry(current_id, &ips_node->id_list, id_list_entry) { in cma_netevent_callback()
5230 if (!memcmp(current_id->id.route.addr.dev_addr.dst_dev_addr, in cma_netevent_callback()
5231 neigh->ha, ETH_ALEN)) in cma_netevent_callback()
5234 queue_work(cma_wq, ¤t_id->id.net_work); in cma_netevent_callback()
5255 mutex_lock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5256 /* Record that we want to remove the device */ in cma_send_device_removal_put()
5257 spin_lock_irqsave(&id_priv->lock, flags); in cma_send_device_removal_put()
5258 state = id_priv->state; in cma_send_device_removal_put()
5260 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_send_device_removal_put()
5261 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5265 id_priv->state = RDMA_CM_DEVICE_REMOVAL; in cma_send_device_removal_put()
5266 spin_unlock_irqrestore(&id_priv->lock, flags); in cma_send_device_removal_put()
5274 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5279 mutex_unlock(&id_priv->handler_mutex); in cma_send_device_removal_put()
5292 while (!list_empty(&cma_dev->id_list)) { in cma_process_remove()
5294 &cma_dev->id_list, struct rdma_id_private, device_item); in cma_process_remove()
5296 list_del_init(&id_priv->listen_item); in cma_process_remove()
5297 list_del_init(&id_priv->device_item); in cma_process_remove()
5308 wait_for_completion(&cma_dev->comp); in cma_process_remove()
5311 static bool cma_supported(struct ib_device *device) in cma_supported() argument
5315 rdma_for_each_port(device, i) { in cma_supported()
5316 if (rdma_cap_ib_cm(device, i) || rdma_cap_iw_cm(device, i)) in cma_supported()
5322 static int cma_add_one(struct ib_device *device) in cma_add_one() argument
5331 if (!cma_supported(device)) in cma_add_one()
5332 return -EOPNOTSUPP; in cma_add_one()
5336 return -ENOMEM; in cma_add_one()
5338 cma_dev->device = device; in cma_add_one()
5339 cma_dev->default_gid_type = kcalloc(device->phys_port_cnt, in cma_add_one()
5340 sizeof(*cma_dev->default_gid_type), in cma_add_one()
5342 if (!cma_dev->default_gid_type) { in cma_add_one()
5343 ret = -ENOMEM; in cma_add_one()
5347 cma_dev->default_roce_tos = kcalloc(device->phys_port_cnt, in cma_add_one()
5348 sizeof(*cma_dev->default_roce_tos), in cma_add_one()
5350 if (!cma_dev->default_roce_tos) { in cma_add_one()
5351 ret = -ENOMEM; in cma_add_one()
5355 rdma_for_each_port (device, i) { in cma_add_one()
5356 supported_gids = roce_gid_type_mask_support(device, i); in cma_add_one()
5359 cma_dev->default_gid_type[i - rdma_start_port(device)] = in cma_add_one()
5362 cma_dev->default_gid_type[i - rdma_start_port(device)] = in cma_add_one()
5364 cma_dev->default_roce_tos[i - rdma_start_port(device)] = 0; in cma_add_one()
5367 init_completion(&cma_dev->comp); in cma_add_one()
5368 refcount_set(&cma_dev->refcount, 1); in cma_add_one()
5369 INIT_LIST_HEAD(&cma_dev->id_list); in cma_add_one()
5370 ib_set_client_data(device, &cma_client, cma_dev); in cma_add_one()
5373 list_add_tail(&cma_dev->list, &dev_list); in cma_add_one()
5381 trace_cm_add_one(device); in cma_add_one()
5385 list_del(&cma_dev->list); in cma_add_one()
5390 kfree(cma_dev->default_roce_tos); in cma_add_one()
5392 kfree(cma_dev->default_gid_type); in cma_add_one()
5399 static void cma_remove_one(struct ib_device *device, void *client_data) in cma_remove_one() argument
5403 trace_cm_remove_one(device); in cma_remove_one()
5406 list_del(&cma_dev->list); in cma_remove_one()
5410 kfree(cma_dev->default_roce_tos); in cma_remove_one()
5411 kfree(cma_dev->default_gid_type); in cma_remove_one()
5419 xa_init(&pernet->tcp_ps); in cma_init_net()
5420 xa_init(&pernet->udp_ps); in cma_init_net()
5421 xa_init(&pernet->ipoib_ps); in cma_init_net()
5422 xa_init(&pernet->ib_ps); in cma_init_net()
5431 WARN_ON(!xa_empty(&pernet->tcp_ps)); in cma_exit_net()
5432 WARN_ON(!xa_empty(&pernet->udp_ps)); in cma_exit_net()
5433 WARN_ON(!xa_empty(&pernet->ipoib_ps)); in cma_exit_net()
5434 WARN_ON(!xa_empty(&pernet->ib_ps)); in cma_exit_net()
5440 .id = &cma_pernet_id,
5463 return -ENOMEM; in cma_init()