Lines Matching +full:mctp +full:- +full:handling
1 // SPDX-License-Identifier: GPL-2.0
3 * Management Component Transport Protocol (MCTP) - routing
15 #include <linux/mctp.h>
22 #include <net/mctp.h>
27 #include <trace/events/mctp.h>
50 /* TODO: look up in skb->cb? */ in mctp_lookup_bind()
56 type = (*(u8 *)skb->data) & 0x7f; in mctp_lookup_bind()
58 sk_for_each_rcu(sk, &net->mctp.binds) { in mctp_lookup_bind()
61 if (msk->bind_net != MCTP_NET_ANY && msk->bind_net != cb->net) in mctp_lookup_bind()
64 if (msk->bind_type != type) in mctp_lookup_bind()
67 if (!mctp_address_matches(msk->bind_addr, mh->dest)) in mctp_lookup_bind()
79 if (!mctp_address_matches(key->local_addr, local)) in mctp_key_match()
82 if (key->peer_addr != peer) in mctp_key_match()
85 if (key->tag != tag) in mctp_key_match()
91 /* returns a key (with key->lock held, and refcounted), or NULL if no such
97 __acquires(&key->lock) in mctp_lookup_key()
105 tag = mh->flags_seq_tag & (MCTP_HDR_TAG_MASK | MCTP_HDR_FLAG_TO); in mctp_lookup_key()
108 spin_lock_irqsave(&net->mctp.keys_lock, flags); in mctp_lookup_key()
110 hlist_for_each_entry(key, &net->mctp.keys, hlist) { in mctp_lookup_key()
111 if (!mctp_key_match(key, mh->dest, peer, tag)) in mctp_lookup_key()
114 spin_lock(&key->lock); in mctp_lookup_key()
115 if (key->valid) { in mctp_lookup_key()
116 refcount_inc(&key->refs); in mctp_lookup_key()
120 spin_unlock(&key->lock); in mctp_lookup_key()
124 spin_unlock(&net->mctp.keys_lock); in mctp_lookup_key()
127 spin_unlock_irqrestore(&net->mctp.keys_lock, flags); in mctp_lookup_key()
143 key->peer_addr = peer; in mctp_key_alloc()
144 key->local_addr = local; in mctp_key_alloc()
145 key->tag = tag; in mctp_key_alloc()
146 key->sk = &msk->sk; in mctp_key_alloc()
147 key->valid = true; in mctp_key_alloc()
148 spin_lock_init(&key->lock); in mctp_key_alloc()
149 refcount_set(&key->refs, 1); in mctp_key_alloc()
150 sock_hold(key->sk); in mctp_key_alloc()
159 if (!refcount_dec_and_test(&key->refs)) in mctp_key_unref()
165 spin_lock_irqsave(&key->lock, flags); in mctp_key_unref()
166 mctp_dev_release_key(key->dev, key); in mctp_key_unref()
167 spin_unlock_irqrestore(&key->lock, flags); in mctp_key_unref()
169 sock_put(key->sk); in mctp_key_unref()
175 struct net *net = sock_net(&msk->sk); in mctp_key_add()
180 spin_lock_irqsave(&net->mctp.keys_lock, flags); in mctp_key_add()
182 if (sock_flag(&msk->sk, SOCK_DEAD)) { in mctp_key_add()
183 rc = -EINVAL; in mctp_key_add()
187 hlist_for_each_entry(tmp, &net->mctp.keys, hlist) { in mctp_key_add()
188 if (mctp_key_match(tmp, key->local_addr, key->peer_addr, in mctp_key_add()
189 key->tag)) { in mctp_key_add()
190 spin_lock(&tmp->lock); in mctp_key_add()
191 if (tmp->valid) in mctp_key_add()
192 rc = -EEXIST; in mctp_key_add()
193 spin_unlock(&tmp->lock); in mctp_key_add()
200 refcount_inc(&key->refs); in mctp_key_add()
201 key->expiry = jiffies + mctp_key_lifetime; in mctp_key_add()
202 timer_reduce(&msk->key_expiry, key->expiry); in mctp_key_add()
204 hlist_add_head(&key->hlist, &net->mctp.keys); in mctp_key_add()
205 hlist_add_head(&key->sklist, &msk->keys); in mctp_key_add()
209 spin_unlock_irqrestore(&net->mctp.keys_lock, flags); in mctp_key_add()
222 __releases(&key->lock) in __mctp_key_done_in()
227 skb = key->reasm_head; in __mctp_key_done_in()
228 key->reasm_head = NULL; in __mctp_key_done_in()
230 if (!key->manual_alloc) { in __mctp_key_done_in()
231 key->reasm_dead = true; in __mctp_key_done_in()
232 key->valid = false; in __mctp_key_done_in()
233 mctp_dev_release_key(key->dev, key); in __mctp_key_done_in()
235 spin_unlock_irqrestore(&key->lock, flags); in __mctp_key_done_in()
237 if (!key->manual_alloc) { in __mctp_key_done_in()
238 spin_lock_irqsave(&net->mctp.keys_lock, flags); in __mctp_key_done_in()
239 if (!hlist_unhashed(&key->hlist)) { in __mctp_key_done_in()
240 hlist_del_init(&key->hlist); in __mctp_key_done_in()
241 hlist_del_init(&key->sklist); in __mctp_key_done_in()
244 spin_unlock_irqrestore(&net->mctp.keys_lock, flags); in __mctp_key_done_in()
262 refcount_inc(&key->refs); in mctp_skb_set_flow()
263 flow->key = key; in mctp_skb_set_flow()
275 key = flow->key; in mctp_flow_prepare_output()
277 if (WARN_ON(key->dev && key->dev != dev)) in mctp_flow_prepare_output()
292 this_seq = (hdr->flags_seq_tag >> MCTP_HDR_SEQ_SHIFT) in mctp_frag_queue()
295 if (!key->reasm_head) { in mctp_frag_queue()
296 key->reasm_head = skb; in mctp_frag_queue()
297 key->reasm_tailp = &(skb_shinfo(skb)->frag_list); in mctp_frag_queue()
298 key->last_seq = this_seq; in mctp_frag_queue()
302 exp_seq = (key->last_seq + 1) & MCTP_HDR_SEQ_MASK; in mctp_frag_queue()
305 return -EINVAL; in mctp_frag_queue()
307 if (key->reasm_head->len + skb->len > mctp_message_maxlen) in mctp_frag_queue()
308 return -EINVAL; in mctp_frag_queue()
310 skb->next = NULL; in mctp_frag_queue()
311 skb->sk = NULL; in mctp_frag_queue()
312 *key->reasm_tailp = skb; in mctp_frag_queue()
313 key->reasm_tailp = &skb->next; in mctp_frag_queue()
315 key->last_seq = this_seq; in mctp_frag_queue()
317 key->reasm_head->data_len += skb->len; in mctp_frag_queue()
318 key->reasm_head->len += skb->len; in mctp_frag_queue()
319 key->reasm_head->truesize += skb->truesize; in mctp_frag_queue()
327 struct net *net = dev_net(skb->dev); in mctp_route_input()
335 rc = -EINVAL; in mctp_route_input()
337 /* we may be receiving a locally-routed packet; drop source sk in mctp_route_input()
343 if (skb->len < sizeof(struct mctp_hdr) + 1) in mctp_route_input()
350 if (mh->ver != 1) in mctp_route_input()
353 flags = mh->flags_seq_tag & (MCTP_HDR_FLAG_SOM | MCTP_HDR_FLAG_EOM); in mctp_route_input()
354 tag = mh->flags_seq_tag & (MCTP_HDR_TAG_MASK | MCTP_HDR_FLAG_TO); in mctp_route_input()
359 * we hold a ref on the key, and key->lock held. in mctp_route_input()
361 key = mctp_lookup_key(net, skb, mh->src, &f); in mctp_route_input()
365 msk = container_of(key->sk, struct mctp_sock, sk); in mctp_route_input()
369 * key for reassembly - we'll create a more specific in mctp_route_input()
374 msk = container_of(any_key->sk, in mctp_route_input()
376 spin_unlock_irqrestore(&any_key->lock, f); in mctp_route_input()
384 rc = -ENOENT; in mctp_route_input()
388 /* single-packet message? deliver to socket, clean up any in mctp_route_input()
392 sock_queue_rcv_skb(&msk->sk, skb); in mctp_route_input()
405 /* broadcast response or a bind() - create a key for further in mctp_route_input()
409 key = mctp_key_alloc(msk, mh->dest, mh->src, in mctp_route_input()
412 rc = -ENOMEM; in mctp_route_input()
431 /* we don't need to release key->lock on exit, so in mctp_route_input()
439 if (key->reasm_head || key->reasm_dead) { in mctp_route_input()
443 rc = -EEXIST; in mctp_route_input()
452 * using the message-specific key in mctp_route_input()
456 if (!key->reasm_head) in mctp_route_input()
457 rc = -EINVAL; in mctp_route_input()
465 sock_queue_rcv_skb(key->sk, key->reasm_head); in mctp_route_input()
466 key->reasm_head = NULL; in mctp_route_input()
473 rc = -ENOENT; in mctp_route_input()
479 spin_unlock_irqrestore(&key->lock, f); in mctp_route_input()
492 return rt->mtu ?: READ_ONCE(rt->dev->dev->mtu); in mctp_route_mtu()
504 skb->protocol = htons(ETH_P_MCTP); in mctp_route_output()
506 mtu = READ_ONCE(skb->dev->mtu); in mctp_route_output()
507 if (skb->len > mtu) { in mctp_route_output()
509 return -EMSGSIZE; in mctp_route_output()
512 if (cb->ifindex) { in mctp_route_output()
514 if (cb->halen != skb->dev->addr_len) { in mctp_route_output()
517 return -EMSGSIZE; in mctp_route_output()
519 daddr = cb->haddr; in mctp_route_output()
522 if (mctp_neigh_lookup(route->dev, hdr->dest, daddr_buf) == 0) in mctp_route_output()
526 rc = dev_hard_header(skb, skb->dev, ntohs(skb->protocol), in mctp_route_output()
527 daddr, skb->dev->dev_addr, skb->len); in mctp_route_output()
530 return -EHOSTUNREACH; in mctp_route_output()
533 mctp_flow_prepare_output(skb, route->dev); in mctp_route_output()
545 if (refcount_dec_and_test(&rt->refs)) { in mctp_route_release()
546 mctp_dev_put(rt->dev); in mctp_route_release()
560 INIT_LIST_HEAD(&rt->list); in mctp_route_alloc()
561 refcount_set(&rt->refs, 1); in mctp_route_alloc()
562 rt->output = mctp_route_discard; in mctp_route_alloc()
569 return READ_ONCE(net->mctp.default_net); in mctp_default_net()
575 return -EINVAL; in mctp_default_net_set()
576 WRITE_ONCE(net->mctp.default_net, index); in mctp_default_net_set()
584 struct netns_mctp *mns = &net->mctp; in mctp_reserve_tag()
586 lockdep_assert_held(&mns->keys_lock); in mctp_reserve_tag()
588 key->expiry = jiffies + mctp_key_lifetime; in mctp_reserve_tag()
589 timer_reduce(&msk->key_expiry, key->expiry); in mctp_reserve_tag()
591 /* we hold the net->key_lock here, allowing updates to both in mctp_reserve_tag()
594 hlist_add_head_rcu(&key->hlist, &mns->keys); in mctp_reserve_tag()
595 hlist_add_head_rcu(&key->sklist, &msk->keys); in mctp_reserve_tag()
596 refcount_inc(&key->refs); in mctp_reserve_tag()
599 /* Allocate a locally-owned tag value for (saddr, daddr), and reserve
606 struct net *net = sock_net(&msk->sk); in mctp_alloc_local_tag()
607 struct netns_mctp *mns = &net->mctp; in mctp_alloc_local_tag()
619 return ERR_PTR(-ENOMEM); in mctp_alloc_local_tag()
624 spin_lock_irqsave(&mns->keys_lock, flags); in mctp_alloc_local_tag()
629 hlist_for_each_entry(tmp, &mns->keys, hlist) { in mctp_alloc_local_tag()
635 if (tmp->tag & MCTP_HDR_FLAG_TO) in mctp_alloc_local_tag()
638 if (!(mctp_address_matches(tmp->peer_addr, daddr) && in mctp_alloc_local_tag()
639 mctp_address_matches(tmp->local_addr, saddr))) in mctp_alloc_local_tag()
642 spin_lock(&tmp->lock); in mctp_alloc_local_tag()
646 if (tmp->valid) in mctp_alloc_local_tag()
647 tagbits &= ~(1 << tmp->tag); in mctp_alloc_local_tag()
648 spin_unlock(&tmp->lock); in mctp_alloc_local_tag()
655 key->tag = __ffs(tagbits); in mctp_alloc_local_tag()
659 key->manual_alloc = manual; in mctp_alloc_local_tag()
660 *tagp = key->tag; in mctp_alloc_local_tag()
663 spin_unlock_irqrestore(&mns->keys_lock, flags); in mctp_alloc_local_tag()
667 return ERR_PTR(-EBUSY); in mctp_alloc_local_tag()
677 struct net *net = sock_net(&msk->sk); in mctp_lookup_prealloc_tag()
678 struct netns_mctp *mns = &net->mctp; in mctp_lookup_prealloc_tag()
685 spin_lock_irqsave(&mns->keys_lock, flags); in mctp_lookup_prealloc_tag()
687 hlist_for_each_entry(tmp, &mns->keys, hlist) { in mctp_lookup_prealloc_tag()
688 if (tmp->tag != req_tag) in mctp_lookup_prealloc_tag()
691 if (!mctp_address_matches(tmp->peer_addr, daddr)) in mctp_lookup_prealloc_tag()
694 if (!tmp->manual_alloc) in mctp_lookup_prealloc_tag()
697 spin_lock(&tmp->lock); in mctp_lookup_prealloc_tag()
698 if (tmp->valid) { in mctp_lookup_prealloc_tag()
700 refcount_inc(&key->refs); in mctp_lookup_prealloc_tag()
701 spin_unlock(&tmp->lock); in mctp_lookup_prealloc_tag()
704 spin_unlock(&tmp->lock); in mctp_lookup_prealloc_tag()
706 spin_unlock_irqrestore(&mns->keys_lock, flags); in mctp_lookup_prealloc_tag()
709 return ERR_PTR(-ENOENT); in mctp_lookup_prealloc_tag()
712 *tagp = key->tag; in mctp_lookup_prealloc_tag()
721 return READ_ONCE(rt->dev->net) == net && in mctp_rt_match_eid()
722 rt->min <= eid && rt->max >= eid; in mctp_rt_match_eid()
730 return rt1->dev->net == rt2->dev->net && in mctp_rt_compare_exact()
731 rt1->min == rt2->min && in mctp_rt_compare_exact()
732 rt1->max == rt2->max; in mctp_rt_compare_exact()
742 list_for_each_entry_rcu(tmp, &net->mctp.routes, list) { in mctp_route_lookup()
745 if (refcount_inc_not_zero(&tmp->refs)) { in mctp_route_lookup()
764 list_for_each_entry_rcu(tmp, &net->mctp.routes, list) { in mctp_route_lookup_null()
765 if (tmp->dev->dev == dev && tmp->type == RTN_LOCAL && in mctp_route_lookup_null()
766 refcount_inc_not_zero(&tmp->refs)) { in mctp_route_lookup_null()
793 return -EMSGSIZE; in mctp_do_fragment_route()
802 for (pos = 0; pos < skb->len;) { in mctp_do_fragment_route()
804 size = min(mtu - hlen, skb->len - pos); in mctp_do_fragment_route()
808 rc = -ENOMEM; in mctp_do_fragment_route()
813 skb2->protocol = skb->protocol; in mctp_do_fragment_route()
814 skb2->priority = skb->priority; in mctp_do_fragment_route()
815 skb2->dev = skb->dev; in mctp_do_fragment_route()
816 memcpy(skb2->cb, skb->cb, sizeof(skb2->cb)); in mctp_do_fragment_route()
818 if (skb->sk) in mctp_do_fragment_route()
819 skb_set_owner_w(skb2, skb->sk); in mctp_do_fragment_route()
825 skb2->transport_header = skb2->network_header + hlen; in mctp_do_fragment_route()
829 hdr2->ver = hdr->ver; in mctp_do_fragment_route()
830 hdr2->dest = hdr->dest; in mctp_do_fragment_route()
831 hdr2->src = hdr->src; in mctp_do_fragment_route()
832 hdr2->flags_seq_tag = tag & in mctp_do_fragment_route()
836 hdr2->flags_seq_tag |= MCTP_HDR_FLAG_SOM; in mctp_do_fragment_route()
838 if (pos + size == skb->len) in mctp_do_fragment_route()
839 hdr2->flags_seq_tag |= MCTP_HDR_FLAG_EOM; in mctp_do_fragment_route()
841 hdr2->flags_seq_tag |= seq << MCTP_HDR_SEQ_SHIFT; in mctp_do_fragment_route()
846 /* we need to copy the extensions, for MCTP flow data */ in mctp_do_fragment_route()
850 rc = rt->output(rt, skb2); in mctp_do_fragment_route()
877 rc = -ENODEV; in mctp_local_output()
881 if (WARN_ON(!rt->dev)) in mctp_local_output()
884 } else if (cb->ifindex) { in mctp_local_output()
891 dev = dev_get_by_index_rcu(sock_net(sk), cb->ifindex); in mctp_local_output()
896 rt->dev = __mctp_dev_get(dev); in mctp_local_output()
899 if (!rt->dev) in mctp_local_output()
902 /* establish temporary route - we set up enough to keep in mctp_local_output()
905 rt->output = mctp_route_output; in mctp_local_output()
906 rt->mtu = 0; in mctp_local_output()
909 rc = -EINVAL; in mctp_local_output()
913 spin_lock_irqsave(&rt->dev->addrs_lock, flags); in mctp_local_output()
914 if (rt->dev->num_addrs == 0) { in mctp_local_output()
915 rc = -EHOSTUNREACH; in mctp_local_output()
918 saddr = rt->dev->addrs[0]; in mctp_local_output()
921 spin_unlock_irqrestore(&rt->dev->addrs_lock, flags); in mctp_local_output()
947 skb->protocol = htons(ETH_P_MCTP); in mctp_local_output()
948 skb->priority = 0; in mctp_local_output()
952 skb->dev = rt->dev->dev; in mctp_local_output()
954 /* cb->net will have been set on initial ingress */ in mctp_local_output()
955 cb->src = saddr; in mctp_local_output()
959 hdr->ver = 1; in mctp_local_output()
960 hdr->dest = daddr; in mctp_local_output()
961 hdr->src = saddr; in mctp_local_output()
965 if (skb->len + sizeof(struct mctp_hdr) <= mtu) { in mctp_local_output()
966 hdr->flags_seq_tag = MCTP_HDR_FLAG_SOM | in mctp_local_output()
968 rc = rt->output(rt, skb); in mctp_local_output()
993 struct net *net = dev_net(mdev->dev); in mctp_route_add()
997 return -EINVAL; in mctp_route_add()
1000 return -EINVAL; in mctp_route_add()
1010 return -EINVAL; in mctp_route_add()
1015 return -ENOMEM; in mctp_route_add()
1017 rt->min = daddr_start; in mctp_route_add()
1018 rt->max = daddr_start + daddr_extent; in mctp_route_add()
1019 rt->mtu = mtu; in mctp_route_add()
1020 rt->dev = mdev; in mctp_route_add()
1021 mctp_dev_hold(rt->dev); in mctp_route_add()
1022 rt->type = type; in mctp_route_add()
1023 rt->output = rtfn; in mctp_route_add()
1027 list_for_each_entry(ert, &net->mctp.routes, list) { in mctp_route_add()
1030 return -EEXIST; in mctp_route_add()
1034 list_add_rcu(&rt->list, &net->mctp.routes); in mctp_route_add()
1042 struct net *net = dev_net(mdev->dev); in mctp_route_remove()
1048 return -EINVAL; in mctp_route_remove()
1055 list_for_each_entry_safe(rt, tmp, &net->mctp.routes, list) { in mctp_route_remove()
1056 if (rt->dev == mdev && in mctp_route_remove()
1057 rt->min == daddr_start && rt->max == daddr_end && in mctp_route_remove()
1058 rt->type == type) { in mctp_route_remove()
1059 list_del_rcu(&rt->list); in mctp_route_remove()
1066 return dropped ? 0 : -ENOENT; in mctp_route_remove()
1082 struct net *net = dev_net(mdev->dev); in mctp_route_remove_dev()
1086 list_for_each_entry_safe(rt, tmp, &net->mctp.routes, list) { in mctp_route_remove_dev()
1087 if (rt->dev == mdev) { in mctp_route_remove_dev()
1088 list_del_rcu(&rt->list); in mctp_route_remove_dev()
1095 /* Incoming packet-handling */
1111 /* basic non-data sanity checks */ in mctp_pkttype_receive()
1123 if (mh->ver < MCTP_VER_MIN || mh->ver > MCTP_VER_MAX) in mctp_pkttype_receive()
1129 if (!(mctp_address_unicast(mh->src) || mctp_address_null(mh->src))) in mctp_pkttype_receive()
1133 if (!(mctp_address_unicast(mh->dest) || mctp_address_null(mh->dest) || in mctp_pkttype_receive()
1134 mctp_address_broadcast(mh->dest))) in mctp_pkttype_receive()
1137 /* MCTP drivers must populate halen/haddr */ in mctp_pkttype_receive()
1138 if (dev->type == ARPHRD_MCTP) { in mctp_pkttype_receive()
1142 cb->halen = 0; in mctp_pkttype_receive()
1144 cb->net = READ_ONCE(mdev->net); in mctp_pkttype_receive()
1145 cb->ifindex = dev->ifindex; in mctp_pkttype_receive()
1147 rt = mctp_route_lookup(net, cb->net, mh->dest); in mctp_pkttype_receive()
1150 if (!rt && mh->dest == MCTP_ADDR_NULL && skb->pkt_type == PACKET_HOST) in mctp_pkttype_receive()
1156 rt->output(rt, skb); in mctp_pkttype_receive()
1189 struct net *net = sock_net(skb->sk); in mctp_route_nlparse()
1203 return -EINVAL; in mctp_route_nlparse()
1209 return -EINVAL; in mctp_route_nlparse()
1214 if ((*rtm)->rtm_family != AF_MCTP) { in mctp_route_nlparse()
1216 return -EINVAL; in mctp_route_nlparse()
1222 return -ENODEV; in mctp_route_nlparse()
1226 return -ENODEV; in mctp_route_nlparse()
1228 if (dev->flags & IFF_LOOPBACK) { in mctp_route_nlparse()
1230 return -EINVAL; in mctp_route_nlparse()
1256 if (rtm->rtm_type != RTN_UNICAST) { in mctp_newroute()
1258 return -EINVAL; in mctp_newroute()
1271 rc = mctp_route_add(mdev, daddr_start, rtm->rtm_dst_len, mtu, in mctp_newroute()
1272 rtm->rtm_type); in mctp_newroute()
1291 if (rtm->rtm_type != RTN_UNICAST) in mctp_delroute()
1292 return -EINVAL; in mctp_delroute()
1294 rc = mctp_route_remove(mdev, daddr_start, rtm->rtm_dst_len, RTN_UNICAST); in mctp_delroute()
1307 return -EMSGSIZE; in mctp_fill_rtinfo()
1310 hdr->rtm_family = AF_MCTP; in mctp_fill_rtinfo()
1315 hdr->rtm_dst_len = rt->max - rt->min; in mctp_fill_rtinfo()
1316 hdr->rtm_src_len = 0; in mctp_fill_rtinfo()
1317 hdr->rtm_tos = 0; in mctp_fill_rtinfo()
1318 hdr->rtm_table = RT_TABLE_DEFAULT; in mctp_fill_rtinfo()
1319 hdr->rtm_protocol = RTPROT_STATIC; /* everything is user-defined */ in mctp_fill_rtinfo()
1320 hdr->rtm_scope = RT_SCOPE_LINK; /* TODO: scope in mctp_route? */ in mctp_fill_rtinfo()
1321 hdr->rtm_type = rt->type; in mctp_fill_rtinfo()
1323 if (nla_put_u8(skb, RTA_DST, rt->min)) in mctp_fill_rtinfo()
1330 if (rt->mtu) { in mctp_fill_rtinfo()
1331 if (nla_put_u32(skb, RTAX_MTU, rt->mtu)) in mctp_fill_rtinfo()
1337 if (rt->dev) { in mctp_fill_rtinfo()
1338 if (nla_put_u32(skb, RTA_OIF, rt->dev->dev->ifindex)) in mctp_fill_rtinfo()
1350 return -EMSGSIZE; in mctp_fill_rtinfo()
1355 struct net *net = sock_net(skb->sk); in mctp_dump_rtinfo()
1360 * cb->strict_check in mctp_dump_rtinfo()
1364 s_idx = cb->args[0]; in mctp_dump_rtinfo()
1368 list_for_each_entry_rcu(rt, &net->mctp.routes, list) { in mctp_dump_rtinfo()
1372 NETLINK_CB(cb->skb).portid, in mctp_dump_rtinfo()
1373 cb->nlh->nlmsg_seq, in mctp_dump_rtinfo()
1379 cb->args[0] = idx; in mctp_dump_rtinfo()
1381 return skb->len; in mctp_dump_rtinfo()
1387 struct netns_mctp *ns = &net->mctp; in mctp_routes_net_init()
1389 INIT_LIST_HEAD(&ns->routes); in mctp_routes_net_init()
1390 INIT_HLIST_HEAD(&ns->binds); in mctp_routes_net_init()
1391 mutex_init(&ns->bind_lock); in mctp_routes_net_init()
1392 INIT_HLIST_HEAD(&ns->keys); in mctp_routes_net_init()
1393 spin_lock_init(&ns->keys_lock); in mctp_routes_net_init()
1403 list_for_each_entry_rcu(rt, &net->mctp.routes, list) in mctp_routes_net_exit()
1437 #include "test/route-test.c"