Lines Matching +full:sp +full:- +full:disabled +full:- +full:ports
1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1999-2000 Cisco, Inc.
5 * Copyright (c) 1999-2001 Motorola, Inc.
6 * Copyright (c) 2001-2003 Intel Corp.
7 * Copyright (c) 2001-2002 Nokia, Inc.
16 * functions--this file is the functions which populate the struct proto
21 * lksctp developers <linux-[email protected]>
31 * Inaky Perez-Gonzalez <[email protected]>
111 struct sock *sk = asoc->base.sk; in sctp_wspace()
113 return asoc->ep->sndbuf_policy ? sk->sk_sndbuf - asoc->sndbuf_used in sctp_wspace()
121 * Since it is always 1-1 between chunk and skb, and also a new skb is always
128 struct sctp_association *asoc = chunk->asoc; in sctp_set_owner_w()
129 struct sock *sk = asoc->base.sk; in sctp_set_owner_w()
134 if (chunk->shkey) in sctp_set_owner_w()
135 sctp_auth_shkey_hold(chunk->shkey); in sctp_set_owner_w()
137 skb_set_owner_w(chunk->skb, sk); in sctp_set_owner_w()
139 chunk->skb->destructor = sctp_wfree; in sctp_set_owner_w()
141 skb_shinfo(chunk->skb)->destructor_arg = chunk; in sctp_set_owner_w()
143 refcount_add(sizeof(struct sctp_chunk), &sk->sk_wmem_alloc); in sctp_set_owner_w()
144 asoc->sndbuf_used += chunk->skb->truesize + sizeof(struct sctp_chunk); in sctp_set_owner_w()
145 sk_wmem_queued_add(sk, chunk->skb->truesize + sizeof(struct sctp_chunk)); in sctp_set_owner_w()
146 sk_mem_charge(sk, chunk->skb->truesize); in sctp_set_owner_w()
151 skb_orphan(chunk->skb); in sctp_clear_owner_w()
156 msg = chunk->msg; \
159 list_for_each_entry(c, &msg->chunks, frag_list) { \
160 if ((clear && asoc->base.sk == c->skb->sk) || \
161 (!clear && asoc->base.sk != c->skb->sk)) \
173 struct sctp_outq *q = &asoc->outqueue; in sctp_for_each_tx_datachunk()
177 list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) in sctp_for_each_tx_datachunk()
178 list_for_each_entry(chunk, &t->transmitted, transmitted_list) in sctp_for_each_tx_datachunk()
181 list_for_each_entry(chunk, &q->retransmit, transmitted_list) in sctp_for_each_tx_datachunk()
184 list_for_each_entry(chunk, &q->sacked, transmitted_list) in sctp_for_each_tx_datachunk()
187 list_for_each_entry(chunk, &q->abandoned, transmitted_list) in sctp_for_each_tx_datachunk()
190 list_for_each_entry(chunk, &q->out_chunk_list, list) in sctp_for_each_tx_datachunk()
200 sctp_skb_for_each(skb, &asoc->ulpq.lobby, tmp) in sctp_for_each_rx_skb()
203 sctp_skb_for_each(skb, &asoc->ulpq.reasm, tmp) in sctp_for_each_rx_skb()
206 sctp_skb_for_each(skb, &asoc->ulpq.reasm_uo, tmp) in sctp_for_each_rx_skb()
219 return -EINVAL; in sctp_verify_addr()
222 if (!af->addr_valid(addr, sctp_sk(sk), NULL)) in sctp_verify_addr()
223 return -EINVAL; in sctp_verify_addr()
225 if (!sctp_sk(sk)->pf->send_verify(sctp_sk(sk), (addr))) in sctp_verify_addr()
226 return -EINVAL; in sctp_verify_addr()
231 /* Look up the association by its id. If this is not a UDP-style
238 /* If this is not a UDP-style socket, assoc id should be ignored. */ in sctp_id2assoc()
241 * could be a TCP-style listening socket or a socket which in sctp_id2assoc()
248 if (!list_empty(&sctp_sk(sk)->ep->asocs)) in sctp_id2assoc()
249 asoc = list_entry(sctp_sk(sk)->ep->asocs.next, in sctp_id2assoc()
254 /* Otherwise this is a UDP-style socket. */ in sctp_id2assoc()
260 if (asoc && (asoc->base.sk != sk || asoc->base.dead)) in sctp_id2assoc()
276 struct sctp_af *af = sctp_get_af_specific(addr->ss_family); in sctp_addr_id2transport()
280 if (!af || sctp_verify_addr(sk, laddr, af->sockaddr_len)) in sctp_addr_id2transport()
283 addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep, in sctp_addr_id2transport()
294 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sctp_sk(sk), in sctp_addr_id2transport()
300 /* API 3.1.2 bind() - UDP Style Syntax
305 * sd - the socket descriptor returned by socket().
306 * addr - the address structure (struct sockaddr_in or struct
308 * addr_len - the size of the address structure.
320 if (!sctp_sk(sk)->ep->base.bind_addr.port) in sctp_bind()
324 retval = -EINVAL; in sctp_bind()
343 if (!opt->pf->af_supported(addr->sa.sa_family, opt)) in sctp_sockaddr_af()
346 if (addr->sa.sa_family == AF_INET6) { in sctp_sockaddr_af()
350 if (ipv6_addr_v4mapped(&addr->v6.sin6_addr) && in sctp_sockaddr_af()
351 !opt->pf->af_supported(AF_INET, opt)) in sctp_sockaddr_af()
356 af = sctp_get_af_specific(addr->sa.sa_family); in sctp_sockaddr_af()
358 if (len < af->sockaddr_len) in sctp_sockaddr_af()
364 static void sctp_auto_asconf_init(struct sctp_sock *sp) in sctp_auto_asconf_init() argument
366 struct net *net = sock_net(&sp->inet.sk); in sctp_auto_asconf_init()
368 if (net->sctp.default_auto_asconf) { in sctp_auto_asconf_init()
369 spin_lock_bh(&net->sctp.addr_wq_lock); in sctp_auto_asconf_init()
370 list_add_tail(&sp->auto_asconf_list, &net->sctp.auto_asconf_splist); in sctp_auto_asconf_init()
371 spin_unlock_bh(&net->sctp.addr_wq_lock); in sctp_auto_asconf_init()
372 sp->do_auto_asconf = 1; in sctp_auto_asconf_init()
380 struct sctp_sock *sp = sctp_sk(sk); in sctp_do_bind() local
381 struct sctp_endpoint *ep = sp->ep; in sctp_do_bind()
382 struct sctp_bind_addr *bp = &ep->base.bind_addr; in sctp_do_bind()
388 af = sctp_sockaddr_af(sp, addr, len); in sctp_do_bind()
392 return -EINVAL; in sctp_do_bind()
395 snum = ntohs(addr->v4.sin_port); in sctp_do_bind()
398 __func__, sk, &addr->sa, bp->port, snum, len); in sctp_do_bind()
401 if (!sp->pf->bind_verify(sp, addr)) in sctp_do_bind()
402 return -EADDRNOTAVAIL; in sctp_do_bind()
405 * It's OK to allow 0 ports if we are already bound. in sctp_do_bind()
408 if (bp->port) { in sctp_do_bind()
410 snum = bp->port; in sctp_do_bind()
411 else if (snum != bp->port) { in sctp_do_bind()
413 "%d\n", __func__, snum, bp->port); in sctp_do_bind()
414 return -EINVAL; in sctp_do_bind()
419 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_do_bind()
420 return -EACCES; in sctp_do_bind()
425 if (sctp_bind_addr_match(bp, addr, sp)) in sctp_do_bind()
426 return -EINVAL; in sctp_do_bind()
432 addr->v4.sin_port = htons(snum); in sctp_do_bind()
434 return -EADDRINUSE; in sctp_do_bind()
437 if (!bp->port) { in sctp_do_bind()
438 bp->port = inet_sk(sk)->inet_num; in sctp_do_bind()
439 sctp_auto_asconf_init(sp); in sctp_do_bind()
443 * Use GFP_ATOMIC since BHs will be disabled. in sctp_do_bind()
445 ret = sctp_add_bind_addr(bp, addr, af->sockaddr_len, in sctp_do_bind()
453 inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num); in sctp_do_bind()
454 sp->pf->to_sk_saddr(addr, sk); in sctp_do_bind()
464 * ASCONF-ACK Chunk returns from the previous ASCONF Chunk before sending a
466 * time two ASCONF may be in-transit on any given association (one sent
477 if (asoc->addip_last_asconf) { in sctp_send_asconf()
478 list_add_tail(&chunk->list, &asoc->addip_chunk_list); in sctp_send_asconf()
484 retval = sctp_primitive_ASCONF(asoc->base.net, asoc, chunk); in sctp_send_asconf()
488 asoc->addip_last_asconf = chunk; in sctp_send_asconf()
523 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_bindx_add()
525 retval = -EINVAL; in sctp_bindx_add()
530 af->sockaddr_len); in sctp_bindx_add()
532 addr_buf += af->sockaddr_len; in sctp_bindx_add()
560 struct sctp_sock *sp; in sctp_send_asconf_add_ip() local
574 sp = sctp_sk(sk); in sctp_send_asconf_add_ip()
575 ep = sp->ep; in sctp_send_asconf_add_ip()
577 if (!ep->asconf_enable) in sctp_send_asconf_add_ip()
583 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_add_ip()
584 if (!asoc->peer.asconf_capable) in sctp_send_asconf_add_ip()
587 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_ADD_IP) in sctp_send_asconf_add_ip()
601 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
603 retval = -EINVAL; in sctp_send_asconf_add_ip()
610 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
618 bp = &asoc->base.bind_addr; in sctp_send_asconf_add_ip()
619 p = bp->address_list.next; in sctp_send_asconf_add_ip()
621 chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs, in sctp_send_asconf_add_ip()
624 retval = -ENOMEM; in sctp_send_asconf_add_ip()
634 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
635 memcpy(&saveaddr, addr, af->sockaddr_len); in sctp_send_asconf_add_ip()
639 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
641 if (asoc->src_out_of_asoc_ok) { in sctp_send_asconf_add_ip()
645 &asoc->peer.transport_addr_list, transports) { in sctp_send_asconf_add_ip()
646 trans->cwnd = min(4*asoc->pathmtu, max_t(__u32, in sctp_send_asconf_add_ip()
647 2*asoc->pathmtu, 4380)); in sctp_send_asconf_add_ip()
648 trans->ssthresh = asoc->peer.i.a_rwnd; in sctp_send_asconf_add_ip()
649 trans->rto = asoc->rto_initial; in sctp_send_asconf_add_ip()
651 trans->rtt = trans->srtt = trans->rttvar = 0; in sctp_send_asconf_add_ip()
654 sctp_sk(asoc->base.sk)); in sctp_send_asconf_add_ip()
675 * available, the operation will return -EBUSY.
681 struct sctp_sock *sp = sctp_sk(sk); in sctp_bindx_rem() local
682 struct sctp_endpoint *ep = sp->ep; in sctp_bindx_rem()
684 struct sctp_bind_addr *bp = &ep->base.bind_addr; in sctp_bindx_rem()
699 if (list_empty(&bp->address_list) || in sctp_bindx_rem()
700 (sctp_list_single_entry(&bp->address_list))) { in sctp_bindx_rem()
701 retval = -EBUSY; in sctp_bindx_rem()
706 af = sctp_get_af_specific(sa_addr->sa.sa_family); in sctp_bindx_rem()
708 retval = -EINVAL; in sctp_bindx_rem()
712 if (!af->addr_valid(sa_addr, sp, NULL)) { in sctp_bindx_rem()
713 retval = -EADDRNOTAVAIL; in sctp_bindx_rem()
717 if (sa_addr->v4.sin_port && in sctp_bindx_rem()
718 sa_addr->v4.sin_port != htons(bp->port)) { in sctp_bindx_rem()
719 retval = -EINVAL; in sctp_bindx_rem()
723 if (!sa_addr->v4.sin_port) in sctp_bindx_rem()
724 sa_addr->v4.sin_port = htons(bp->port); in sctp_bindx_rem()
726 /* FIXME - There is probably a need to check if sk->sk_saddr and in sctp_bindx_rem()
727 * sk->sk_rcv_addr are currently set to one of the addresses to in sctp_bindx_rem()
729 * when we are fixing the outstanding issues with multi-homing in sctp_bindx_rem()
731 * sctp_do_bind(). -daisy in sctp_bindx_rem()
735 addr_buf += af->sockaddr_len; in sctp_bindx_rem()
762 struct sctp_sock *sp; in sctp_send_asconf_del_ip() local
777 sp = sctp_sk(sk); in sctp_send_asconf_del_ip()
778 ep = sp->ep; in sctp_send_asconf_del_ip()
780 if (!ep->asconf_enable) in sctp_send_asconf_del_ip()
786 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_del_ip()
788 if (!asoc->peer.asconf_capable) in sctp_send_asconf_del_ip()
791 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_DEL_IP) in sctp_send_asconf_del_ip()
805 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
807 retval = -EINVAL; in sctp_send_asconf_del_ip()
814 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
824 bp = &asoc->base.bind_addr; in sctp_send_asconf_del_ip()
826 addrcnt, sp); in sctp_send_asconf_del_ip()
828 if (asoc->asconf_addr_del_pending) in sctp_send_asconf_del_ip()
830 asoc->asconf_addr_del_pending = in sctp_send_asconf_del_ip()
832 if (asoc->asconf_addr_del_pending == NULL) { in sctp_send_asconf_del_ip()
833 retval = -ENOMEM; in sctp_send_asconf_del_ip()
836 asoc->asconf_addr_del_pending->sa.sa_family = in sctp_send_asconf_del_ip()
837 addrs->sa_family; in sctp_send_asconf_del_ip()
838 asoc->asconf_addr_del_pending->v4.sin_port = in sctp_send_asconf_del_ip()
839 htons(bp->port); in sctp_send_asconf_del_ip()
840 if (addrs->sa_family == AF_INET) { in sctp_send_asconf_del_ip()
844 asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr; in sctp_send_asconf_del_ip()
845 } else if (addrs->sa_family == AF_INET6) { in sctp_send_asconf_del_ip()
849 asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr; in sctp_send_asconf_del_ip()
853 __func__, asoc, &asoc->asconf_addr_del_pending->sa, in sctp_send_asconf_del_ip()
854 asoc->asconf_addr_del_pending); in sctp_send_asconf_del_ip()
856 asoc->src_out_of_asoc_ok = 1; in sctp_send_asconf_del_ip()
862 return -EINVAL; in sctp_send_asconf_del_ip()
871 retval = -ENOMEM; in sctp_send_asconf_del_ip()
882 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
883 list_for_each_entry(saddr, &bp->address_list, list) { in sctp_send_asconf_del_ip()
884 if (sctp_cmp_addr_exact(&saddr->a, laddr)) in sctp_send_asconf_del_ip()
885 saddr->state = SCTP_ADDR_DEL; in sctp_send_asconf_del_ip()
887 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
894 list_for_each_entry(transport, &asoc->peer.transport_addr_list, in sctp_send_asconf_del_ip()
897 sctp_sk(asoc->base.sk)); in sctp_send_asconf_del_ip()
910 int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw) in sctp_asconf_mgmt() argument
912 struct sock *sk = sctp_opt2sk(sp); in sctp_asconf_mgmt()
917 addr = &addrw->a; in sctp_asconf_mgmt()
918 addr->v4.sin_port = htons(sp->ep->base.bind_addr.port); in sctp_asconf_mgmt()
919 af = sctp_get_af_specific(addr->sa.sa_family); in sctp_asconf_mgmt()
921 return -EINVAL; in sctp_asconf_mgmt()
922 if (sctp_verify_addr(sk, addr, af->sockaddr_len)) in sctp_asconf_mgmt()
923 return -EINVAL; in sctp_asconf_mgmt()
925 if (addrw->state == SCTP_ADDR_NEW) in sctp_asconf_mgmt()
952 * -1, and sets errno to the appropriate error code.
1014 return -EINVAL; in sctp_setsockopt_bindx()
1019 return -EINVAL; in sctp_setsockopt_bindx()
1022 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_setsockopt_bindx()
1027 if (!af || (walk_size + af->sockaddr_len) > addrs_size) in sctp_setsockopt_bindx()
1028 return -EINVAL; in sctp_setsockopt_bindx()
1030 addr_buf += af->sockaddr_len; in sctp_setsockopt_bindx()
1031 walk_size += af->sockaddr_len; in sctp_setsockopt_bindx()
1053 return -EINVAL; in sctp_setsockopt_bindx()
1074 struct sock *sk = ep->base.sk; in sctp_connect_new_asoc()
1080 return -EADDRNOTAVAIL; in sctp_connect_new_asoc()
1082 if (!ep->base.bind_addr.port) { in sctp_connect_new_asoc()
1084 return -EAGAIN; in sctp_connect_new_asoc()
1086 if (inet_port_requires_bind_service(net, ep->base.bind_addr.port) && in sctp_connect_new_asoc()
1087 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_connect_new_asoc()
1088 return -EACCES; in sctp_connect_new_asoc()
1094 return -ENOMEM; in sctp_connect_new_asoc()
1102 err = -ENOMEM; in sctp_connect_new_asoc()
1109 if (init->sinit_num_ostreams) { in sctp_connect_new_asoc()
1110 __u16 outcnt = init->sinit_num_ostreams; in sctp_connect_new_asoc()
1112 asoc->c.sinit_num_ostreams = outcnt; in sctp_connect_new_asoc()
1113 /* outcnt has been changed, need to re-init stream */ in sctp_connect_new_asoc()
1114 err = sctp_stream_init(&asoc->stream, outcnt, 0, GFP_KERNEL); in sctp_connect_new_asoc()
1119 if (init->sinit_max_instreams) in sctp_connect_new_asoc()
1120 asoc->c.sinit_max_instreams = init->sinit_max_instreams; in sctp_connect_new_asoc()
1122 if (init->sinit_max_attempts) in sctp_connect_new_asoc()
1123 asoc->max_init_attempts = init->sinit_max_attempts; in sctp_connect_new_asoc()
1125 if (init->sinit_max_init_timeo) in sctp_connect_new_asoc()
1126 asoc->max_init_timeo = in sctp_connect_new_asoc()
1127 msecs_to_jiffies(init->sinit_max_init_timeo); in sctp_connect_new_asoc()
1138 struct sctp_endpoint *ep = asoc->ep; in sctp_connect_add_peer()
1143 err = sctp_verify_addr(ep->base.sk, daddr, addr_len); in sctp_connect_add_peer()
1149 return old->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in sctp_connect_add_peer()
1150 : -EALREADY; in sctp_connect_add_peer()
1153 return -EADDRNOTAVAIL; in sctp_connect_add_peer()
1157 return -ENOMEM; in sctp_connect_add_peer()
1170 struct sctp_sock *sp = sctp_sk(sk); in __sctp_connect() local
1171 struct sctp_endpoint *ep = sp->ep; in __sctp_connect()
1182 return -EISCONN; in __sctp_connect()
1185 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1186 if (!af || af->sockaddr_len > addrs_size) in __sctp_connect()
1187 return -EINVAL; in __sctp_connect()
1189 err = sctp_verify_addr(sk, daddr, af->sockaddr_len); in __sctp_connect()
1195 return asoc->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in __sctp_connect()
1196 : -EALREADY; in __sctp_connect()
1201 asoc = transport->asoc; in __sctp_connect()
1203 addr_buf += af->sockaddr_len; in __sctp_connect()
1204 walk_size = af->sockaddr_len; in __sctp_connect()
1206 err = -EINVAL; in __sctp_connect()
1211 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1212 if (!af || af->sockaddr_len + walk_size > addrs_size) in __sctp_connect()
1215 if (asoc->peer.port != ntohs(daddr->v4.sin_port)) in __sctp_connect()
1218 err = sctp_connect_add_peer(asoc, daddr, af->sockaddr_len); in __sctp_connect()
1222 addr_buf += af->sockaddr_len; in __sctp_connect()
1223 walk_size += af->sockaddr_len; in __sctp_connect()
1240 inet_sk(sk)->inet_dport = htons(asoc->peer.port); in __sctp_connect()
1241 sp->pf->to_sk_daddr(daddr, sk); in __sctp_connect()
1242 sk->sk_err = 0; in __sctp_connect()
1245 *assoc_id = asoc->assoc_id; in __sctp_connect()
1279 * returns -1, and sets errno to the appropriate error code. The assoc_id
1286 * an endpoint that is multi-homed. Much like sctp_bindx() this call
1322 return -EINVAL; in __sctp_setsockopt_connectx()
1331 /* in-kernel sockets don't generally have a file allocated to them in __sctp_setsockopt_connectx()
1334 if (sk->sk_socket->file) in __sctp_setsockopt_connectx()
1335 flags = sk->sk_socket->file->f_flags; in __sctp_setsockopt_connectx()
1374 * We use the sctp_getaddrs_old structure so that use-space library
1377 * addrs_num structure member. That way we can re-use the existing
1402 return -EINVAL; in sctp_getsockopt_connectx3()
1404 return -EFAULT; in sctp_getsockopt_connectx3()
1413 return -EINVAL; in sctp_getsockopt_connectx3()
1415 return -EFAULT; in sctp_getsockopt_connectx3()
1424 if (err == 0 || err == -EINPROGRESS) { in sctp_getsockopt_connectx3()
1426 return -EFAULT; in sctp_getsockopt_connectx3()
1428 return -EFAULT; in sctp_getsockopt_connectx3()
1434 /* API 3.1.4 close() - UDP Style Syntax
1437 * by a UDP-style socket.
1443 * sd - the socket descriptor of the associations to be closed.
1446 * UDP-style socket, an application should use the sendmsg() call,
1450 * If sd in the close() call is a branched-off socket representing only
1453 * 4.1.6 close() - TCP Style Syntax
1461 * sd - the socket descriptor of the association to be closed.
1468 * An application using the TCP-style socket can use this option to
1495 sk->sk_shutdown = SHUTDOWN_MASK; in sctp_close()
1498 ep = sctp_sk(sk)->ep; in sctp_close()
1501 data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue); in sctp_close()
1502 data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby); in sctp_close()
1505 list_for_each_safe(pos, temp, &ep->asocs) { in sctp_close()
1510 * it belongs to a TCP-style listening socket that is in sctp_close()
1520 if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) || in sctp_close()
1521 !skb_queue_empty(&asoc->ulpq.reasm) || in sctp_close()
1522 !skb_queue_empty(&asoc->ulpq.reasm_uo) || in sctp_close()
1523 (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) { in sctp_close()
1532 /* On a TCP-style socket, block for at most linger_time if set. */ in sctp_close()
1544 spin_lock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1554 spin_unlock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1564 if (err == -EPIPE) in sctp_error()
1565 err = sock_error(sk) ? : -EPIPE; in sctp_error()
1566 if (err == -EPIPE && !(flags & MSG_NOSIGNAL)) in sctp_error()
1571 /* API 3.1.3 sendmsg() - UDP Style Syntax
1579 * socket - the socket descriptor of the endpoint.
1580 * message - pointer to the msghdr structure which contains a single
1586 * flags - flags sent or received with the user message, see Section
1605 return -EPIPE; in sctp_sendmsg_parse()
1607 if (msg_len > sk->sk_sndbuf) in sctp_sendmsg_parse()
1608 return -EMSGSIZE; in sctp_sendmsg_parse()
1618 if (cmsgs->srinfo) { in sctp_sendmsg_parse()
1619 srinfo->sinfo_stream = cmsgs->srinfo->sinfo_stream; in sctp_sendmsg_parse()
1620 srinfo->sinfo_flags = cmsgs->srinfo->sinfo_flags; in sctp_sendmsg_parse()
1621 srinfo->sinfo_ppid = cmsgs->srinfo->sinfo_ppid; in sctp_sendmsg_parse()
1622 srinfo->sinfo_context = cmsgs->srinfo->sinfo_context; in sctp_sendmsg_parse()
1623 srinfo->sinfo_assoc_id = cmsgs->srinfo->sinfo_assoc_id; in sctp_sendmsg_parse()
1624 srinfo->sinfo_timetolive = cmsgs->srinfo->sinfo_timetolive; in sctp_sendmsg_parse()
1627 if (cmsgs->sinfo) { in sctp_sendmsg_parse()
1628 srinfo->sinfo_stream = cmsgs->sinfo->snd_sid; in sctp_sendmsg_parse()
1629 srinfo->sinfo_flags = cmsgs->sinfo->snd_flags; in sctp_sendmsg_parse()
1630 srinfo->sinfo_ppid = cmsgs->sinfo->snd_ppid; in sctp_sendmsg_parse()
1631 srinfo->sinfo_context = cmsgs->sinfo->snd_context; in sctp_sendmsg_parse()
1632 srinfo->sinfo_assoc_id = cmsgs->sinfo->snd_assoc_id; in sctp_sendmsg_parse()
1635 if (cmsgs->prinfo) { in sctp_sendmsg_parse()
1636 srinfo->sinfo_timetolive = cmsgs->prinfo->pr_value; in sctp_sendmsg_parse()
1637 SCTP_PR_SET_POLICY(srinfo->sinfo_flags, in sctp_sendmsg_parse()
1638 cmsgs->prinfo->pr_policy); in sctp_sendmsg_parse()
1641 sflags = srinfo->sinfo_flags; in sctp_sendmsg_parse()
1646 return -EINVAL; in sctp_sendmsg_parse()
1650 return -EINVAL; in sctp_sendmsg_parse()
1652 if ((sflags & SCTP_ADDR_OVER) && !msg->msg_name) in sctp_sendmsg_parse()
1653 return -EINVAL; in sctp_sendmsg_parse()
1663 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg_new_asoc()
1673 return -EINVAL; in sctp_sendmsg_new_asoc()
1677 return -EADDRNOTAVAIL; in sctp_sendmsg_new_asoc()
1679 /* Label connection socket for first association 1-to-many in sctp_sendmsg_new_asoc()
1680 * style for client sequence socket()->sendmsg(). This in sctp_sendmsg_new_asoc()
1685 af = sctp_get_af_specific(daddr->sa.sa_family); in sctp_sendmsg_new_asoc()
1687 return -EINVAL; in sctp_sendmsg_new_asoc()
1690 af->sockaddr_len); in sctp_sendmsg_new_asoc()
1694 err = sctp_connect_new_asoc(ep, daddr, cmsgs->init, tp); in sctp_sendmsg_new_asoc()
1697 asoc = (*tp)->asoc; in sctp_sendmsg_new_asoc()
1699 if (!cmsgs->addrs_msg) in sctp_sendmsg_new_asoc()
1702 if (daddr->sa.sa_family == AF_INET6) in sctp_sendmsg_new_asoc()
1703 flowinfo = daddr->v6.sin6_flowinfo; in sctp_sendmsg_new_asoc()
1706 for_each_cmsghdr(cmsg, cmsgs->addrs_msg) { in sctp_sendmsg_new_asoc()
1710 if (cmsg->cmsg_level != IPPROTO_SCTP || in sctp_sendmsg_new_asoc()
1711 (cmsg->cmsg_type != SCTP_DSTADDRV4 && in sctp_sendmsg_new_asoc()
1712 cmsg->cmsg_type != SCTP_DSTADDRV6)) in sctp_sendmsg_new_asoc()
1717 dlen = cmsg->cmsg_len - sizeof(struct cmsghdr); in sctp_sendmsg_new_asoc()
1718 if (cmsg->cmsg_type == SCTP_DSTADDRV4) { in sctp_sendmsg_new_asoc()
1720 err = -EINVAL; in sctp_sendmsg_new_asoc()
1725 daddr->v4.sin_family = AF_INET; in sctp_sendmsg_new_asoc()
1726 daddr->v4.sin_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1727 memcpy(&daddr->v4.sin_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1730 err = -EINVAL; in sctp_sendmsg_new_asoc()
1735 daddr->v6.sin6_flowinfo = flowinfo; in sctp_sendmsg_new_asoc()
1736 daddr->v6.sin6_family = AF_INET6; in sctp_sendmsg_new_asoc()
1737 daddr->v6.sin6_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1738 memcpy(&daddr->v6.sin6_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1757 struct sock *sk = asoc->base.sk; in sctp_sendmsg_check_sflags()
1761 return -EPIPE; in sctp_sendmsg_check_sflags()
1779 return -ENOMEM; in sctp_sendmsg_check_sflags()
1783 iov_iter_revert(&msg->msg_iter, msg_len); in sctp_sendmsg_check_sflags()
1796 struct sock *sk = asoc->base.sk; in sctp_sendmsg_to_asoc()
1797 struct sctp_sock *sp = sctp_sk(sk); in sctp_sendmsg_to_asoc() local
1805 if (sinfo->sinfo_stream >= asoc->stream.outcnt) { in sctp_sendmsg_to_asoc()
1806 err = -EINVAL; in sctp_sendmsg_to_asoc()
1810 if (unlikely(!SCTP_SO(&asoc->stream, sinfo->sinfo_stream)->ext)) { in sctp_sendmsg_to_asoc()
1811 err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream); in sctp_sendmsg_to_asoc()
1816 if (sp->disable_fragments && msg_len > asoc->frag_point) { in sctp_sendmsg_to_asoc()
1817 err = -EMSGSIZE; in sctp_sendmsg_to_asoc()
1821 if (asoc->pmtu_pending) { in sctp_sendmsg_to_asoc()
1822 if (sp->param_flags & SPP_PMTUD_ENABLE) in sctp_sendmsg_to_asoc()
1824 asoc->pmtu_pending = 0; in sctp_sendmsg_to_asoc()
1828 sctp_prsctp_prune(asoc, sinfo, msg_len - sctp_wspace(asoc)); in sctp_sendmsg_to_asoc()
1831 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1835 if (unlikely(sinfo->sinfo_stream >= asoc->stream.outcnt)) { in sctp_sendmsg_to_asoc()
1836 err = -EINVAL; in sctp_sendmsg_to_asoc()
1846 if (asoc->ep->intl_enable) { in sctp_sendmsg_to_asoc()
1850 err = -ESRCH; in sctp_sendmsg_to_asoc()
1860 datamsg = sctp_datamsg_from_user(asoc, sinfo, &msg->msg_iter); in sctp_sendmsg_to_asoc()
1866 asoc->force_delay = !!(msg->msg_flags & MSG_MORE); in sctp_sendmsg_to_asoc()
1868 list_for_each_entry(chunk, &datamsg->chunks, frag_list) { in sctp_sendmsg_to_asoc()
1871 chunk->transport = transport; in sctp_sendmsg_to_asoc()
1885 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1902 if (!sctp_style(sk, UDP_HIGH_BANDWIDTH) && msg->msg_name) { in sctp_sendmsg_get_daddr()
1903 int len = msg->msg_namelen; in sctp_sendmsg_get_daddr()
1908 daddr = (union sctp_addr *)msg->msg_name; in sctp_sendmsg_get_daddr()
1922 if (!cmsgs->srinfo && !cmsgs->sinfo) { in sctp_sendmsg_update_sinfo()
1923 sinfo->sinfo_stream = asoc->default_stream; in sctp_sendmsg_update_sinfo()
1924 sinfo->sinfo_ppid = asoc->default_ppid; in sctp_sendmsg_update_sinfo()
1925 sinfo->sinfo_context = asoc->default_context; in sctp_sendmsg_update_sinfo()
1926 sinfo->sinfo_assoc_id = sctp_assoc2id(asoc); in sctp_sendmsg_update_sinfo()
1928 if (!cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1929 sinfo->sinfo_flags = asoc->default_flags; in sctp_sendmsg_update_sinfo()
1932 if (!cmsgs->srinfo && !cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1933 sinfo->sinfo_timetolive = asoc->default_timetolive; in sctp_sendmsg_update_sinfo()
1935 if (cmsgs->authinfo) { in sctp_sendmsg_update_sinfo()
1939 sinfo->sinfo_tsn = 1; in sctp_sendmsg_update_sinfo()
1940 sinfo->sinfo_ssn = cmsgs->authinfo->auth_keynumber; in sctp_sendmsg_update_sinfo()
1946 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg()
1962 sflags = sinfo->sinfo_flags; in sctp_sendmsg()
1975 list_for_each_entry_safe(asoc, tmp, &ep->asocs, asocs) { in sctp_sendmsg()
1990 iov_iter_revert(&msg->msg_iter, err); in sctp_sendmsg()
2010 asoc = transport->asoc; in sctp_sendmsg()
2017 asoc = sctp_id2assoc(sk, sinfo->sinfo_assoc_id); in sctp_sendmsg()
2019 err = -EPIPE; in sctp_sendmsg()
2033 if (err < 0 && err != -ESRCH && new) in sctp_sendmsg()
2039 return sctp_error(sk, msg->msg_flags, err); in sctp_sendmsg()
2059 len -= skb_len; in sctp_skb_pull()
2064 skb->len -= (len-rlen); in sctp_skb_pull()
2065 skb->data_len -= (len-rlen); in sctp_skb_pull()
2076 /* API 3.1.3 recvmsg() - UDP Style Syntax
2081 * socket - the socket descriptor of the endpoint.
2082 * message - pointer to the msghdr structure which contains a single
2088 * flags - flags sent or received with the user message, see Section
2095 struct sctp_sock *sp = sctp_sk(sk); in sctp_recvmsg() local
2108 skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_recvmsg()
2115 err = -ENOTCONN; in sctp_recvmsg()
2126 skb_len = skb->len; in sctp_recvmsg()
2139 if (event->chunk && event->chunk->head_skb) in sctp_recvmsg()
2140 head_skb = event->chunk->head_skb; in sctp_recvmsg()
2145 msg->msg_flags |= MSG_NOTIFICATION; in sctp_recvmsg()
2146 sp->pf->event_msgname(event, msg->msg_name, addr_len); in sctp_recvmsg()
2148 sp->pf->skb_msgname(head_skb, msg->msg_name, addr_len); in sctp_recvmsg()
2152 if (sp->recvnxtinfo) in sctp_recvmsg()
2155 if (sp->recvrcvinfo) in sctp_recvmsg()
2158 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_DATA_IO_EVENT)) in sctp_recvmsg()
2168 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2172 skb_queue_head(&sk->sk_receive_queue, skb); in sctp_recvmsg()
2179 sctp_assoc_rwnd_increase(event->asoc, copied); in sctp_recvmsg()
2181 } else if ((event->msg_flags & MSG_NOTIFICATION) || in sctp_recvmsg()
2182 (event->msg_flags & MSG_EOR)) in sctp_recvmsg()
2183 msg->msg_flags |= MSG_EOR; in sctp_recvmsg()
2185 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2216 return -EINVAL; in sctp_setsockopt_disable_fragments()
2217 sctp_sk(sk)->disable_fragments = (*val == 0) ? 0 : 1; in sctp_setsockopt_disable_fragments()
2224 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_events() local
2229 return -EINVAL; in sctp_setsockopt_events()
2232 sctp_ulpevent_type_set(&sp->subscribe, SCTP_SN_TYPE_BASE + i, in sctp_setsockopt_events()
2235 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_events()
2236 asoc->subscribe = sctp_sk(sk)->subscribe; in sctp_setsockopt_events()
2242 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_SENDER_DRY_EVENT)) { in sctp_setsockopt_events()
2246 if (asoc && sctp_outq_is_empty(&asoc->outqueue)) { in sctp_setsockopt_events()
2250 return -ENOMEM; in sctp_setsockopt_events()
2252 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_setsockopt_events()
2261 * This socket option is applicable to the UDP-style socket only. When
2273 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_autoclose() local
2276 /* Applicable to UDP-style socket only */ in sctp_setsockopt_autoclose()
2278 return -EOPNOTSUPP; in sctp_setsockopt_autoclose()
2280 return -EINVAL; in sctp_setsockopt_autoclose()
2282 sp->autoclose = *optval; in sctp_setsockopt_autoclose()
2283 if (sp->autoclose > net->sctp.max_autoclose) in sctp_setsockopt_autoclose()
2284 sp->autoclose = net->sctp.max_autoclose; in sctp_setsockopt_autoclose()
2310 * spp_assoc_id - (one-to-many style socket) This is filled in the
2313 * spp_address - This specifies which address is of interest.
2314 * spp_hbinterval - This contains the value of the heartbeat interval,
2318 * spp_pathmaxrxt - This contains the maximum number of
2323 * spp_pathmtu - When Path MTU discovery is disabled the value
2329 * spp_sackdelay - When delayed sack is enabled, this value specifies
2337 * spp_flags - These flags are used to control various features
2341 * SPP_HB_ENABLE - Enable heartbeats on the
2346 * SPP_HB_DISABLE - Disable heartbeats on the
2349 * will have their heartbeats disabled. Note also
2355 * SPP_HB_DEMAND - Request a user initiated heartbeat
2358 * SPP_HB_TIME_IS_ZERO - Specify's that the time for
2362 * SPP_PMTUD_ENABLE - This field will enable PMTU
2367 * SPP_PMTUD_DISABLE - This field will disable PMTU
2375 * SPP_SACKDELAY_ENABLE - Setting this flag turns
2381 * SPP_SACKDELAY_DISABLE - Setting this flag turns
2383 * delayed sack is disabled for the entire association. Note
2399 * returned. For non-IPv6 sockets, this flag will be left
2416 * - This field is used in conjunction with the
2419 * label. This setting has precedence over any IPv6-layer
2422 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
2425 * IPv4- or IPv6- layer setting.
2430 struct sctp_sock *sp, in sctp_apply_peer_addr_params() argument
2437 if (params->spp_flags & SPP_HB_DEMAND && trans) { in sctp_apply_peer_addr_params()
2438 error = sctp_primitive_REQUESTHEARTBEAT(trans->asoc->base.net, in sctp_apply_peer_addr_params()
2439 trans->asoc, trans); in sctp_apply_peer_addr_params()
2448 if (params->spp_flags & SPP_HB_ENABLE) { in sctp_apply_peer_addr_params()
2450 /* Re-zero the interval if the SPP_HB_TIME_IS_ZERO is in sctp_apply_peer_addr_params()
2454 if (params->spp_flags & SPP_HB_TIME_IS_ZERO) in sctp_apply_peer_addr_params()
2455 params->spp_hbinterval = 0; in sctp_apply_peer_addr_params()
2457 if (params->spp_hbinterval || in sctp_apply_peer_addr_params()
2458 (params->spp_flags & SPP_HB_TIME_IS_ZERO)) { in sctp_apply_peer_addr_params()
2460 trans->hbinterval = in sctp_apply_peer_addr_params()
2461 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2464 asoc->hbinterval = in sctp_apply_peer_addr_params()
2465 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2467 sp->hbinterval = params->spp_hbinterval; in sctp_apply_peer_addr_params()
2474 trans->param_flags = in sctp_apply_peer_addr_params()
2475 (trans->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2477 asoc->param_flags = in sctp_apply_peer_addr_params()
2478 (asoc->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2480 sp->param_flags = in sctp_apply_peer_addr_params()
2481 (sp->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2485 /* When Path MTU discovery is disabled the value specified here will in sctp_apply_peer_addr_params()
2490 if ((params->spp_flags & SPP_PMTUD_DISABLE) && params->spp_pathmtu) { in sctp_apply_peer_addr_params()
2492 trans->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2495 sctp_assoc_set_pmtu(asoc, params->spp_pathmtu); in sctp_apply_peer_addr_params()
2497 sp->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2503 int update = (trans->param_flags & SPP_PMTUD_DISABLE) && in sctp_apply_peer_addr_params()
2504 (params->spp_flags & SPP_PMTUD_ENABLE); in sctp_apply_peer_addr_params()
2505 trans->param_flags = in sctp_apply_peer_addr_params()
2506 (trans->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2508 sctp_transport_pmtu(trans, sctp_opt2sk(sp)); in sctp_apply_peer_addr_params()
2513 asoc->param_flags = in sctp_apply_peer_addr_params()
2514 (asoc->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2516 sp->param_flags = in sctp_apply_peer_addr_params()
2517 (sp->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2525 if ((params->spp_flags & SPP_SACKDELAY_ENABLE) && params->spp_sackdelay) { in sctp_apply_peer_addr_params()
2527 trans->sackdelay = in sctp_apply_peer_addr_params()
2528 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2530 asoc->sackdelay = in sctp_apply_peer_addr_params()
2531 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2533 sp->sackdelay = params->spp_sackdelay; in sctp_apply_peer_addr_params()
2539 trans->param_flags = in sctp_apply_peer_addr_params()
2540 (trans->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2543 asoc->param_flags = in sctp_apply_peer_addr_params()
2544 (asoc->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2547 sp->param_flags = in sctp_apply_peer_addr_params()
2548 (sp->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2556 if (params->spp_pathmaxrxt) { in sctp_apply_peer_addr_params()
2558 trans->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2560 asoc->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2562 sp->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2566 if (params->spp_flags & SPP_IPV6_FLOWLABEL) { in sctp_apply_peer_addr_params()
2568 if (trans->ipaddr.sa.sa_family == AF_INET6) { in sctp_apply_peer_addr_params()
2569 trans->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2571 trans->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2576 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2578 if (t->ipaddr.sa.sa_family != AF_INET6) in sctp_apply_peer_addr_params()
2580 t->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2582 t->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2584 asoc->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2586 asoc->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2587 } else if (sctp_opt2sk(sp)->sk_family == AF_INET6) { in sctp_apply_peer_addr_params()
2588 sp->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2590 sp->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2594 if (params->spp_flags & SPP_DSCP) { in sctp_apply_peer_addr_params()
2596 trans->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2597 trans->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2601 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2603 t->dscp = params->spp_dscp & in sctp_apply_peer_addr_params()
2605 t->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2607 asoc->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2608 asoc->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2610 sp->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2611 sp->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2624 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_peer_addr_params() local
2630 if (params->spp_flags & (SPP_DSCP | SPP_IPV6_FLOWLABEL)) in sctp_setsockopt_peer_addr_params()
2631 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2633 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2637 hb_change = params->spp_flags & SPP_HB; in sctp_setsockopt_peer_addr_params()
2638 pmtud_change = params->spp_flags & SPP_PMTUD; in sctp_setsockopt_peer_addr_params()
2639 sackdelay_change = params->spp_flags & SPP_SACKDELAY; in sctp_setsockopt_peer_addr_params()
2644 params->spp_sackdelay > 500 || in sctp_setsockopt_peer_addr_params()
2645 (params->spp_pathmtu && in sctp_setsockopt_peer_addr_params()
2646 params->spp_pathmtu < SCTP_DEFAULT_MINSEGMENT)) in sctp_setsockopt_peer_addr_params()
2647 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2652 if (!sctp_is_any(sk, (union sctp_addr *)¶ms->spp_address)) { in sctp_setsockopt_peer_addr_params()
2653 trans = sctp_addr_id2transport(sk, ¶ms->spp_address, in sctp_setsockopt_peer_addr_params()
2654 params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2656 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2663 asoc = sctp_id2assoc(sk, params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2664 if (!asoc && params->spp_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_peer_addr_params()
2666 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2671 if (params->spp_flags & SPP_HB_DEMAND && !trans && !asoc) in sctp_setsockopt_peer_addr_params()
2672 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2675 error = sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2686 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_peer_addr_params()
2688 sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2712 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2713 asoc->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2714 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2715 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2717 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2718 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2719 sctp_spp_sackdelay_disable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2720 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2721 asoc->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2722 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2723 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2726 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_apply_asoc_delayed_ack()
2728 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2729 trans->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2730 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2731 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2733 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2734 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2735 sctp_spp_sackdelay_disable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2736 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2737 trans->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2738 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2739 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2752 * values. If the assoc_id field is non-zero, then the set or get
2764 * sack_assoc_id - This parameter, indicates which association the user
2769 * sack_delay - This parameter contains the number of milliseconds that
2774 * sack_freq - This parameter contains the number of packets that must
2782 struct sctp_sock *sp = sctp_sk(sk); in __sctp_setsockopt_delayed_ack() local
2786 if (params->sack_delay > 500) in __sctp_setsockopt_delayed_ack()
2787 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2793 asoc = sctp_id2assoc(sk, params->sack_assoc_id); in __sctp_setsockopt_delayed_ack()
2794 if (!asoc && params->sack_assoc_id > SCTP_ALL_ASSOC && in __sctp_setsockopt_delayed_ack()
2796 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2805 params->sack_assoc_id = SCTP_FUTURE_ASSOC; in __sctp_setsockopt_delayed_ack()
2807 if (params->sack_assoc_id == SCTP_FUTURE_ASSOC || in __sctp_setsockopt_delayed_ack()
2808 params->sack_assoc_id == SCTP_ALL_ASSOC) { in __sctp_setsockopt_delayed_ack()
2809 if (params->sack_delay) { in __sctp_setsockopt_delayed_ack()
2810 sp->sackdelay = params->sack_delay; in __sctp_setsockopt_delayed_ack()
2811 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2812 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2814 if (params->sack_freq == 1) { in __sctp_setsockopt_delayed_ack()
2815 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2816 sctp_spp_sackdelay_disable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2817 } else if (params->sack_freq > 1) { in __sctp_setsockopt_delayed_ack()
2818 sp->sackfreq = params->sack_freq; in __sctp_setsockopt_delayed_ack()
2819 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2820 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2824 if (params->sack_assoc_id == SCTP_CURRENT_ASSOC || in __sctp_setsockopt_delayed_ack()
2825 params->sack_assoc_id == SCTP_ALL_ASSOC) in __sctp_setsockopt_delayed_ack()
2826 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in __sctp_setsockopt_delayed_ack()
2844 current->comm, task_pid_nr(current)); in sctp_setsockopt_delayed_ack()
2846 p.sack_assoc_id = v->assoc_id; in sctp_setsockopt_delayed_ack()
2847 p.sack_delay = v->assoc_value; in sctp_setsockopt_delayed_ack()
2848 p.sack_freq = v->assoc_value ? 0 : 1; in sctp_setsockopt_delayed_ack()
2853 return -EINVAL; in sctp_setsockopt_delayed_ack()
2854 if (params->sack_delay == 0 && params->sack_freq == 0) in sctp_setsockopt_delayed_ack()
2866 * socket (for UDP-style sockets only future associations are effected
2867 * by the change). With TCP-style sockets, this option is inherited by
2873 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_initmsg() local
2876 return -EINVAL; in sctp_setsockopt_initmsg()
2878 if (sinit->sinit_num_ostreams) in sctp_setsockopt_initmsg()
2879 sp->initmsg.sinit_num_ostreams = sinit->sinit_num_ostreams; in sctp_setsockopt_initmsg()
2880 if (sinit->sinit_max_instreams) in sctp_setsockopt_initmsg()
2881 sp->initmsg.sinit_max_instreams = sinit->sinit_max_instreams; in sctp_setsockopt_initmsg()
2882 if (sinit->sinit_max_attempts) in sctp_setsockopt_initmsg()
2883 sp->initmsg.sinit_max_attempts = sinit->sinit_max_attempts; in sctp_setsockopt_initmsg()
2884 if (sinit->sinit_max_init_timeo) in sctp_setsockopt_initmsg()
2885 sp->initmsg.sinit_max_init_timeo = sinit->sinit_max_init_timeo; in sctp_setsockopt_initmsg()
2908 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_send_param() local
2912 return -EINVAL; in sctp_setsockopt_default_send_param()
2913 if (info->sinfo_flags & in sctp_setsockopt_default_send_param()
2916 return -EINVAL; in sctp_setsockopt_default_send_param()
2918 asoc = sctp_id2assoc(sk, info->sinfo_assoc_id); in sctp_setsockopt_default_send_param()
2919 if (!asoc && info->sinfo_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_send_param()
2921 return -EINVAL; in sctp_setsockopt_default_send_param()
2924 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2925 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2926 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2927 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2928 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2934 info->sinfo_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_send_param()
2936 if (info->sinfo_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_send_param()
2937 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2938 sp->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2939 sp->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2940 sp->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2941 sp->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2942 sp->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2945 if (info->sinfo_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_send_param()
2946 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2947 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_send_param()
2948 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2949 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2950 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2951 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2952 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2966 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_sndinfo() local
2970 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2971 if (info->snd_flags & in sctp_setsockopt_default_sndinfo()
2974 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2976 asoc = sctp_id2assoc(sk, info->snd_assoc_id); in sctp_setsockopt_default_sndinfo()
2977 if (!asoc && info->snd_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_sndinfo()
2979 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2982 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2983 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2984 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2985 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
2991 info->snd_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_sndinfo()
2993 if (info->snd_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_sndinfo()
2994 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
2995 sp->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2996 sp->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2997 sp->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2998 sp->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
3001 if (info->snd_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_sndinfo()
3002 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
3003 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_sndinfo()
3004 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
3005 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
3006 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
3007 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
3028 return -EINVAL; in sctp_setsockopt_primary_addr()
3031 af = sctp_get_af_specific(prim->ssp_addr.ss_family); in sctp_setsockopt_primary_addr()
3033 return -EINVAL; in sctp_setsockopt_primary_addr()
3036 (struct sockaddr *)&prim->ssp_addr, in sctp_setsockopt_primary_addr()
3037 af->sockaddr_len); in sctp_setsockopt_primary_addr()
3041 trans = sctp_addr_id2transport(sk, &prim->ssp_addr, prim->ssp_assoc_id); in sctp_setsockopt_primary_addr()
3043 return -EINVAL; in sctp_setsockopt_primary_addr()
3045 sctp_assoc_set_primary(trans->asoc, trans); in sctp_setsockopt_primary_addr()
3053 * Turn on/off any Nagle-like algorithm. This means that packets are
3062 return -EINVAL; in sctp_setsockopt_nodelay()
3063 sctp_sk(sk)->nodelay = (*val == 0) ? 0 : 1; in sctp_setsockopt_nodelay()
3085 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_rtoinfo() local
3088 return -EINVAL; in sctp_setsockopt_rtoinfo()
3090 asoc = sctp_id2assoc(sk, rtoinfo->srto_assoc_id); in sctp_setsockopt_rtoinfo()
3093 if (!asoc && rtoinfo->srto_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_rtoinfo()
3095 return -EINVAL; in sctp_setsockopt_rtoinfo()
3097 rto_max = rtoinfo->srto_max; in sctp_setsockopt_rtoinfo()
3098 rto_min = rtoinfo->srto_min; in sctp_setsockopt_rtoinfo()
3103 rto_max = asoc ? asoc->rto_max : sp->rtoinfo.srto_max; in sctp_setsockopt_rtoinfo()
3108 rto_min = asoc ? asoc->rto_min : sp->rtoinfo.srto_min; in sctp_setsockopt_rtoinfo()
3111 return -EINVAL; in sctp_setsockopt_rtoinfo()
3114 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3115 asoc->rto_initial = in sctp_setsockopt_rtoinfo()
3116 msecs_to_jiffies(rtoinfo->srto_initial); in sctp_setsockopt_rtoinfo()
3117 asoc->rto_max = rto_max; in sctp_setsockopt_rtoinfo()
3118 asoc->rto_min = rto_min; in sctp_setsockopt_rtoinfo()
3120 /* If there is no association or the association-id = 0 in sctp_setsockopt_rtoinfo()
3123 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3124 sp->rtoinfo.srto_initial = rtoinfo->srto_initial; in sctp_setsockopt_rtoinfo()
3125 sp->rtoinfo.srto_max = rto_max; in sctp_setsockopt_rtoinfo()
3126 sp->rtoinfo.srto_min = rto_min; in sctp_setsockopt_rtoinfo()
3151 return -EINVAL; in sctp_setsockopt_associnfo()
3153 asoc = sctp_id2assoc(sk, assocparams->sasoc_assoc_id); in sctp_setsockopt_associnfo()
3155 if (!asoc && assocparams->sasoc_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_associnfo()
3157 return -EINVAL; in sctp_setsockopt_associnfo()
3161 if (assocparams->sasoc_asocmaxrxt != 0) { in sctp_setsockopt_associnfo()
3166 list_for_each_entry(peer_addr, &asoc->peer.transport_addr_list, in sctp_setsockopt_associnfo()
3168 path_sum += peer_addr->pathmaxrxt; in sctp_setsockopt_associnfo()
3178 assocparams->sasoc_asocmaxrxt > path_sum) in sctp_setsockopt_associnfo()
3179 return -EINVAL; in sctp_setsockopt_associnfo()
3181 asoc->max_retrans = assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3184 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3185 asoc->cookie_life = in sctp_setsockopt_associnfo()
3186 ms_to_ktime(assocparams->sasoc_cookie_life); in sctp_setsockopt_associnfo()
3189 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_associnfo() local
3191 if (assocparams->sasoc_asocmaxrxt != 0) in sctp_setsockopt_associnfo()
3192 sp->assocparams.sasoc_asocmaxrxt = in sctp_setsockopt_associnfo()
3193 assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3194 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3195 sp->assocparams.sasoc_cookie_life = in sctp_setsockopt_associnfo()
3196 assocparams->sasoc_cookie_life; in sctp_setsockopt_associnfo()
3214 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_mappedv4() local
3217 return -EINVAL; in sctp_setsockopt_mappedv4()
3219 sp->v4mapped = 1; in sctp_setsockopt_mappedv4()
3221 sp->v4mapped = 0; in sctp_setsockopt_mappedv4()
3246 * assoc_id: This parameter is ignored for one-to-one style sockets.
3247 * For one-to-many style sockets this parameter indicates which
3257 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxseg() local
3267 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxseg()
3271 assoc_id = params->assoc_id; in sctp_setsockopt_maxseg()
3272 val = params->assoc_value; in sctp_setsockopt_maxseg()
3274 return -EINVAL; in sctp_setsockopt_maxseg()
3280 return -EINVAL; in sctp_setsockopt_maxseg()
3284 __u16 datasize = asoc ? sctp_datachk_len(&asoc->stream) : in sctp_setsockopt_maxseg()
3287 min_len = sctp_min_frag_point(sp, datasize); in sctp_setsockopt_maxseg()
3288 max_len = SCTP_MAX_CHUNK_LEN - datasize; in sctp_setsockopt_maxseg()
3291 return -EINVAL; in sctp_setsockopt_maxseg()
3295 asoc->user_frag = val; in sctp_setsockopt_maxseg()
3298 sp->user_frag = val; in sctp_setsockopt_maxseg()
3317 struct sctp_sock *sp; in sctp_setsockopt_peer_primary_addr() local
3323 sp = sctp_sk(sk); in sctp_setsockopt_peer_primary_addr()
3325 if (!sp->ep->asconf_enable) in sctp_setsockopt_peer_primary_addr()
3326 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3329 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3331 asoc = sctp_id2assoc(sk, prim->sspp_assoc_id); in sctp_setsockopt_peer_primary_addr()
3333 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3335 if (!asoc->peer.asconf_capable) in sctp_setsockopt_peer_primary_addr()
3336 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3338 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_SET_PRIMARY) in sctp_setsockopt_peer_primary_addr()
3339 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3342 return -ENOTCONN; in sctp_setsockopt_peer_primary_addr()
3344 af = sctp_get_af_specific(prim->sspp_addr.ss_family); in sctp_setsockopt_peer_primary_addr()
3346 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3348 if (!af->addr_valid((union sctp_addr *)&prim->sspp_addr, sp, NULL)) in sctp_setsockopt_peer_primary_addr()
3349 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3351 if (!sctp_assoc_lookup_laddr(asoc, (union sctp_addr *)&prim->sspp_addr)) in sctp_setsockopt_peer_primary_addr()
3352 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3356 (struct sockaddr *)&prim->sspp_addr, in sctp_setsockopt_peer_primary_addr()
3357 af->sockaddr_len); in sctp_setsockopt_peer_primary_addr()
3363 (union sctp_addr *)&prim->sspp_addr); in sctp_setsockopt_peer_primary_addr()
3365 return -ENOMEM; in sctp_setsockopt_peer_primary_addr()
3379 return -EINVAL; in sctp_setsockopt_adaptation_layer()
3381 sctp_sk(sk)->adaptation_ind = adapt->ssb_adaptation_ind; in sctp_setsockopt_adaptation_layer()
3394 * one-2-many model for an application to keep some reference to an
3404 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_context() local
3408 return -EINVAL; in sctp_setsockopt_context()
3410 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_context()
3411 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_context()
3413 return -EINVAL; in sctp_setsockopt_context()
3416 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3422 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_context()
3424 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_context()
3425 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3426 sp->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3428 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_context()
3429 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3430 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_context()
3431 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3451 * This option takes a boolean value. A non-zero value indicates that
3464 return -EINVAL; in sctp_setsockopt_fragment_interleave()
3466 sctp_sk(sk)->frag_interleave = !!*val; in sctp_setsockopt_fragment_interleave()
3468 if (!sctp_sk(sk)->frag_interleave) in sctp_setsockopt_fragment_interleave()
3469 sctp_sk(sk)->ep->intl_enable = 0; in sctp_setsockopt_fragment_interleave()
3495 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3500 if (*val > (sk->sk_rcvbuf >> 1)) in sctp_setsockopt_partial_delivery_point()
3501 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3503 sctp_sk(sk)->pd_point = *val; in sctp_setsockopt_partial_delivery_point()
3523 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxburst() local
3533 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxburst()
3537 assoc_id = params->assoc_id; in sctp_setsockopt_maxburst()
3538 assoc_value = params->assoc_value; in sctp_setsockopt_maxburst()
3540 return -EINVAL; in sctp_setsockopt_maxburst()
3544 return -EINVAL; in sctp_setsockopt_maxburst()
3547 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3556 sp->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3559 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_maxburst()
3560 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3576 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_chunk()
3578 if (!ep->auth_enable) in sctp_setsockopt_auth_chunk()
3579 return -EACCES; in sctp_setsockopt_auth_chunk()
3582 return -EINVAL; in sctp_setsockopt_auth_chunk()
3584 switch (val->sauth_chunk) { in sctp_setsockopt_auth_chunk()
3589 return -EINVAL; in sctp_setsockopt_auth_chunk()
3593 return sctp_auth_ep_add_chunkid(ep, val->sauth_chunk); in sctp_setsockopt_auth_chunk()
3606 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_hmac_ident()
3609 if (!ep->auth_enable) in sctp_setsockopt_hmac_ident()
3610 return -EACCES; in sctp_setsockopt_hmac_ident()
3613 return -EINVAL; in sctp_setsockopt_hmac_ident()
3617 idents = hmacs->shmac_num_idents; in sctp_setsockopt_hmac_ident()
3619 (idents * sizeof(u16)) > (optlen - sizeof(struct sctp_hmacalgo))) in sctp_setsockopt_hmac_ident()
3620 return -EINVAL; in sctp_setsockopt_hmac_ident()
3635 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_key()
3637 int ret = -EINVAL; in sctp_setsockopt_auth_key()
3640 return -EINVAL; in sctp_setsockopt_auth_key()
3641 /* authkey->sca_keylength is u16, so optlen can't be bigger than in sctp_setsockopt_auth_key()
3646 if (authkey->sca_keylength > optlen - sizeof(*authkey)) in sctp_setsockopt_auth_key()
3649 asoc = sctp_id2assoc(sk, authkey->sca_assoc_id); in sctp_setsockopt_auth_key()
3650 if (!asoc && authkey->sca_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_auth_key()
3660 authkey->sca_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_auth_key()
3662 if (authkey->sca_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_auth_key()
3663 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3671 if (authkey->sca_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_auth_key()
3672 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3673 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_auth_key()
3696 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_active_key()
3701 return -EINVAL; in sctp_setsockopt_active_key()
3703 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_active_key()
3704 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_active_key()
3706 return -EINVAL; in sctp_setsockopt_active_key()
3709 return sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3712 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_active_key()
3714 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_active_key()
3715 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3716 ret = sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3721 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_active_key()
3722 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3723 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_active_key()
3725 val->scact_keynumber); in sctp_setsockopt_active_key()
3744 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_del_key()
3749 return -EINVAL; in sctp_setsockopt_del_key()
3751 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_del_key()
3752 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_del_key()
3754 return -EINVAL; in sctp_setsockopt_del_key()
3757 return sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3760 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_del_key()
3762 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_del_key()
3763 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3764 ret = sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3769 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_del_key()
3770 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3771 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_del_key()
3773 val->scact_keynumber); in sctp_setsockopt_del_key()
3792 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_deactivate_key()
3797 return -EINVAL; in sctp_setsockopt_deactivate_key()
3799 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_deactivate_key()
3800 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_deactivate_key()
3802 return -EINVAL; in sctp_setsockopt_deactivate_key()
3805 return sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3808 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_deactivate_key()
3810 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_deactivate_key()
3811 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3812 ret = sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3817 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_deactivate_key()
3818 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3819 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_deactivate_key()
3821 val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3840 * This option expects an integer boolean flag, where a non-zero value turns on
3848 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_auto_asconf() local
3851 return -EINVAL; in sctp_setsockopt_auto_asconf()
3853 return -EINVAL; in sctp_setsockopt_auto_asconf()
3854 if ((*val && sp->do_auto_asconf) || (!*val && !sp->do_auto_asconf)) in sctp_setsockopt_auto_asconf()
3857 spin_lock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3858 if (*val == 0 && sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3859 list_del(&sp->auto_asconf_list); in sctp_setsockopt_auto_asconf()
3860 sp->do_auto_asconf = 0; in sctp_setsockopt_auto_asconf()
3861 } else if (*val && !sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3862 list_add_tail(&sp->auto_asconf_list, in sctp_setsockopt_auto_asconf()
3863 &sock_net(sk)->sctp.auto_asconf_splist); in sctp_setsockopt_auto_asconf()
3864 sp->do_auto_asconf = 1; in sctp_setsockopt_auto_asconf()
3866 spin_unlock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3875 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
3887 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3889 if (v2 && val->spt_pathpfthld > val->spt_pathcpthld) in sctp_setsockopt_paddr_thresholds()
3890 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3892 if (!sctp_is_any(sk, (const union sctp_addr *)&val->spt_address)) { in sctp_setsockopt_paddr_thresholds()
3893 trans = sctp_addr_id2transport(sk, &val->spt_address, in sctp_setsockopt_paddr_thresholds()
3894 val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3896 return -ENOENT; in sctp_setsockopt_paddr_thresholds()
3898 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3899 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3901 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3902 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3907 asoc = sctp_id2assoc(sk, val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3908 if (!asoc && val->spt_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_paddr_thresholds()
3910 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3913 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_paddr_thresholds()
3915 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3916 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3918 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3919 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3922 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3923 asoc->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3925 asoc->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3926 asoc->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3928 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_paddr_thresholds() local
3930 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3931 sp->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3933 sp->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3934 sp->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3944 return -EINVAL; in sctp_setsockopt_recvrcvinfo()
3946 sctp_sk(sk)->recvrcvinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvrcvinfo()
3955 return -EINVAL; in sctp_setsockopt_recvnxtinfo()
3957 sctp_sk(sk)->recvnxtinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvnxtinfo()
3969 return -EINVAL; in sctp_setsockopt_pr_supported()
3971 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pr_supported()
3972 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pr_supported()
3974 return -EINVAL; in sctp_setsockopt_pr_supported()
3976 sctp_sk(sk)->ep->prsctp_enable = !!params->assoc_value; in sctp_setsockopt_pr_supported()
3985 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_prinfo() local
3987 int retval = -EINVAL; in sctp_setsockopt_default_prinfo()
3992 if (info->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_setsockopt_default_prinfo()
3995 if (info->pr_policy == SCTP_PR_SCTP_NONE) in sctp_setsockopt_default_prinfo()
3996 info->pr_value = 0; in sctp_setsockopt_default_prinfo()
3998 asoc = sctp_id2assoc(sk, info->pr_assoc_id); in sctp_setsockopt_default_prinfo()
3999 if (!asoc && info->pr_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_prinfo()
4006 SCTP_PR_SET_POLICY(asoc->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
4007 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4012 info->pr_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_prinfo()
4014 if (info->pr_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_prinfo()
4015 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4016 SCTP_PR_SET_POLICY(sp->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
4017 sp->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4020 if (info->pr_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_prinfo()
4021 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4022 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_prinfo()
4023 SCTP_PR_SET_POLICY(asoc->default_flags, in sctp_setsockopt_default_prinfo()
4024 info->pr_policy); in sctp_setsockopt_default_prinfo()
4025 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4038 int retval = -EINVAL; in sctp_setsockopt_reconfig_supported()
4043 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_reconfig_supported()
4044 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_reconfig_supported()
4048 sctp_sk(sk)->ep->reconf_enable = !!params->assoc_value; in sctp_setsockopt_reconfig_supported()
4060 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_enable_strreset()
4062 int retval = -EINVAL; in sctp_setsockopt_enable_strreset()
4067 if (params->assoc_value & (~SCTP_ENABLE_STRRESET_MASK)) in sctp_setsockopt_enable_strreset()
4070 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_enable_strreset()
4071 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_enable_strreset()
4078 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4083 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_enable_strreset()
4085 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_enable_strreset()
4086 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4087 ep->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4089 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_enable_strreset()
4090 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4091 list_for_each_entry(asoc, &ep->asocs, asocs) in sctp_setsockopt_enable_strreset()
4092 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4105 return -EINVAL; in sctp_setsockopt_reset_streams()
4110 if (params->srs_number_streams * sizeof(__u16) > in sctp_setsockopt_reset_streams()
4111 optlen - sizeof(*params)) in sctp_setsockopt_reset_streams()
4112 return -EINVAL; in sctp_setsockopt_reset_streams()
4114 asoc = sctp_id2assoc(sk, params->srs_assoc_id); in sctp_setsockopt_reset_streams()
4116 return -EINVAL; in sctp_setsockopt_reset_streams()
4127 return -EINVAL; in sctp_setsockopt_reset_assoc()
4131 return -EINVAL; in sctp_setsockopt_reset_assoc()
4143 return -EINVAL; in sctp_setsockopt_add_streams()
4145 asoc = sctp_id2assoc(sk, params->sas_assoc_id); in sctp_setsockopt_add_streams()
4147 return -EINVAL; in sctp_setsockopt_add_streams()
4156 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_scheduler() local
4161 return -EINVAL; in sctp_setsockopt_scheduler()
4163 if (params->assoc_value > SCTP_SS_MAX) in sctp_setsockopt_scheduler()
4164 return -EINVAL; in sctp_setsockopt_scheduler()
4166 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler()
4167 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_scheduler()
4169 return -EINVAL; in sctp_setsockopt_scheduler()
4172 return sctp_sched_set_sched(asoc, params->assoc_value); in sctp_setsockopt_scheduler()
4175 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_scheduler()
4177 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_scheduler()
4178 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_scheduler()
4179 sp->default_ss = params->assoc_value; in sctp_setsockopt_scheduler()
4181 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_scheduler()
4182 params->assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_scheduler()
4183 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_scheduler()
4185 params->assoc_value); in sctp_setsockopt_scheduler()
4200 int retval = -EINVAL; in sctp_setsockopt_scheduler_value()
4205 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler_value()
4206 if (!asoc && params->assoc_id != SCTP_CURRENT_ASSOC && in sctp_setsockopt_scheduler_value()
4211 retval = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4212 params->stream_value, GFP_KERNEL); in sctp_setsockopt_scheduler_value()
4218 list_for_each_entry(asoc, &sctp_sk(sk)->ep->asocs, asocs) { in sctp_setsockopt_scheduler_value()
4219 int ret = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4220 params->stream_value, in sctp_setsockopt_scheduler_value()
4234 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_interleaving_supported() local
4238 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4240 asoc = sctp_id2assoc(sk, p->assoc_id); in sctp_setsockopt_interleaving_supported()
4241 if (!asoc && p->assoc_id != SCTP_FUTURE_ASSOC && sctp_style(sk, UDP)) in sctp_setsockopt_interleaving_supported()
4242 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4244 if (!sock_net(sk)->sctp.intl_enable || !sp->frag_interleave) { in sctp_setsockopt_interleaving_supported()
4245 return -EPERM; in sctp_setsockopt_interleaving_supported()
4248 sp->ep->intl_enable = !!p->assoc_value; in sctp_setsockopt_interleaving_supported()
4256 return -EOPNOTSUPP; in sctp_setsockopt_reuse_port()
4258 if (sctp_sk(sk)->ep->base.bind_addr.port) in sctp_setsockopt_reuse_port()
4259 return -EFAULT; in sctp_setsockopt_reuse_port()
4262 return -EINVAL; in sctp_setsockopt_reuse_port()
4264 sctp_sk(sk)->reuse = !!*val; in sctp_setsockopt_reuse_port()
4274 sctp_ulpevent_type_set(&asoc->subscribe, param->se_type, param->se_on); in sctp_assoc_ulpevent_type_set()
4276 if (param->se_type == SCTP_SENDER_DRY_EVENT && param->se_on) { in sctp_assoc_ulpevent_type_set()
4277 if (sctp_outq_is_empty(&asoc->outqueue)) { in sctp_assoc_ulpevent_type_set()
4281 return -ENOMEM; in sctp_assoc_ulpevent_type_set()
4283 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_assoc_ulpevent_type_set()
4293 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_event() local
4298 return -EINVAL; in sctp_setsockopt_event()
4300 if (param->se_type < SCTP_SN_TYPE_BASE || in sctp_setsockopt_event()
4301 param->se_type > SCTP_SN_TYPE_MAX) in sctp_setsockopt_event()
4302 return -EINVAL; in sctp_setsockopt_event()
4304 asoc = sctp_id2assoc(sk, param->se_assoc_id); in sctp_setsockopt_event()
4305 if (!asoc && param->se_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_event()
4307 return -EINVAL; in sctp_setsockopt_event()
4313 param->se_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_event()
4315 if (param->se_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_event()
4316 param->se_assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_event()
4317 sctp_ulpevent_type_set(&sp->subscribe, in sctp_setsockopt_event()
4318 param->se_type, param->se_on); in sctp_setsockopt_event()
4320 if (param->se_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_event()
4321 param->se_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_event()
4322 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_event()
4339 int retval = -EINVAL; in sctp_setsockopt_asconf_supported()
4344 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_asconf_supported()
4345 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_asconf_supported()
4349 ep = sctp_sk(sk)->ep; in sctp_setsockopt_asconf_supported()
4350 ep->asconf_enable = !!params->assoc_value; in sctp_setsockopt_asconf_supported()
4352 if (ep->asconf_enable && ep->auth_enable) { in sctp_setsockopt_asconf_supported()
4369 int retval = -EINVAL; in sctp_setsockopt_auth_supported()
4374 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_auth_supported()
4375 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_auth_supported()
4379 ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_supported()
4380 if (params->assoc_value) { in sctp_setsockopt_auth_supported()
4384 if (ep->asconf_enable) { in sctp_setsockopt_auth_supported()
4390 ep->auth_enable = !!params->assoc_value; in sctp_setsockopt_auth_supported()
4402 int retval = -EINVAL; in sctp_setsockopt_ecn_supported()
4407 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_ecn_supported()
4408 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_ecn_supported()
4412 sctp_sk(sk)->ep->ecn_enable = !!params->assoc_value; in sctp_setsockopt_ecn_supported()
4424 int retval = -EINVAL; in sctp_setsockopt_pf_expose()
4429 if (params->assoc_value > SCTP_PF_EXPOSE_MAX) in sctp_setsockopt_pf_expose()
4432 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pf_expose()
4433 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pf_expose()
4438 asoc->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4440 sctp_sk(sk)->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4456 return -EINVAL; in sctp_setsockopt_encap_port()
4461 encap_port = (__force __be16)encap->sue_port; in sctp_setsockopt_encap_port()
4462 if (!sctp_is_any(sk, (union sctp_addr *)&encap->sue_address)) { in sctp_setsockopt_encap_port()
4463 t = sctp_addr_id2transport(sk, &encap->sue_address, in sctp_setsockopt_encap_port()
4464 encap->sue_assoc_id); in sctp_setsockopt_encap_port()
4466 return -EINVAL; in sctp_setsockopt_encap_port()
4468 t->encap_port = encap_port; in sctp_setsockopt_encap_port()
4476 asoc = sctp_id2assoc(sk, encap->sue_assoc_id); in sctp_setsockopt_encap_port()
4477 if (!asoc && encap->sue_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_encap_port()
4479 return -EINVAL; in sctp_setsockopt_encap_port()
4485 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_setsockopt_encap_port()
4487 t->encap_port = encap_port; in sctp_setsockopt_encap_port()
4489 asoc->encap_port = encap_port; in sctp_setsockopt_encap_port()
4493 sctp_sk(sk)->encap_port = encap_port; in sctp_setsockopt_encap_port()
4506 return -EINVAL; in sctp_setsockopt_probe_interval()
4508 probe_interval = params->spi_interval; in sctp_setsockopt_probe_interval()
4510 return -EINVAL; in sctp_setsockopt_probe_interval()
4515 if (!sctp_is_any(sk, (union sctp_addr *)¶ms->spi_address)) { in sctp_setsockopt_probe_interval()
4516 t = sctp_addr_id2transport(sk, ¶ms->spi_address, in sctp_setsockopt_probe_interval()
4517 params->spi_assoc_id); in sctp_setsockopt_probe_interval()
4519 return -EINVAL; in sctp_setsockopt_probe_interval()
4521 t->probe_interval = msecs_to_jiffies(probe_interval); in sctp_setsockopt_probe_interval()
4530 asoc = sctp_id2assoc(sk, params->spi_assoc_id); in sctp_setsockopt_probe_interval()
4531 if (!asoc && params->spi_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_probe_interval()
4533 return -EINVAL; in sctp_setsockopt_probe_interval()
4539 list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) { in sctp_setsockopt_probe_interval()
4540 t->probe_interval = msecs_to_jiffies(probe_interval); in sctp_setsockopt_probe_interval()
4544 asoc->probe_interval = msecs_to_jiffies(probe_interval); in sctp_setsockopt_probe_interval()
4548 sctp_sk(sk)->probe_interval = probe_interval; in sctp_setsockopt_probe_interval()
4565 * sd - the socket descript.
4566 * level - set to IPPROTO_SCTP for all SCTP options.
4567 * optname - the option name.
4568 * optval - the buffer to store the value of the option.
4569 * optlen - the size of the buffer.
4583 * are at all well-founded. in sctp_setsockopt()
4586 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_setsockopt()
4588 return af->setsockopt(sk, level, optname, optval, optlen); in sctp_setsockopt()
4782 retval = -ENOPROTOOPT; in sctp_setsockopt()
4791 /* API 3.1.6 connect() - UDP Style Syntax
4811 int err = -EINVAL; in sctp_connect()
4818 af = sctp_get_af_specific(addr->sa_family); in sctp_connect()
4819 if (af && addr_len >= af->sockaddr_len) in sctp_connect()
4820 err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL); in sctp_connect()
4829 if (addr_len < sizeof(uaddr->sa_family)) in sctp_inet_connect()
4830 return -EINVAL; in sctp_inet_connect()
4832 if (uaddr->sa_family == AF_UNSPEC) in sctp_inet_connect()
4833 return -EOPNOTSUPP; in sctp_inet_connect()
4835 return sctp_connect(sock->sk, uaddr, addr_len, flags); in sctp_inet_connect()
4842 return -EOPNOTSUPP; in sctp_disconnect()
4844 sk->sk_shutdown |= RCV_SHUTDOWN; in sctp_disconnect()
4848 /* 4.1.4 accept() - TCP Style Syntax
4857 struct sctp_sock *sp; in sctp_accept() local
4866 sp = sctp_sk(sk); in sctp_accept()
4867 ep = sp->ep; in sctp_accept()
4870 error = -EOPNOTSUPP; in sctp_accept()
4875 (sk->sk_shutdown & RCV_SHUTDOWN)) { in sctp_accept()
4876 error = -EINVAL; in sctp_accept()
4880 timeo = sock_rcvtimeo(sk, arg->flags & O_NONBLOCK); in sctp_accept()
4889 asoc = list_entry(ep->asocs.next, struct sctp_association, asocs); in sctp_accept()
4891 newsk = sp->pf->create_accept_sk(sk, asoc, arg->kern); in sctp_accept()
4893 error = -ENOMEM; in sctp_accept()
4908 arg->err = error; in sctp_accept()
4915 int rc = -ENOTCONN; in sctp_ioctl()
4920 * SEQPACKET-style sockets in LISTENING state are valid, for in sctp_ioctl()
4921 * SCTP, so only discard TCP-style sockets in LISTENING state. in sctp_ioctl()
4931 skb = skb_peek(&sk->sk_receive_queue); in sctp_ioctl()
4937 *karg = skb->len; in sctp_ioctl()
4943 rc = -ENOIOCTLCMD; in sctp_ioctl()
4952 * initialized the SCTP-specific portion of the sock.
4953 * The sock structure should already be zero-filled memory.
4958 struct sctp_sock *sp; in sctp_init_sock() local
4962 sp = sctp_sk(sk); in sctp_init_sock()
4965 switch (sk->sk_type) { in sctp_init_sock()
4967 sp->type = SCTP_SOCKET_UDP; in sctp_init_sock()
4970 sp->type = SCTP_SOCKET_TCP; in sctp_init_sock()
4973 return -ESOCKTNOSUPPORT; in sctp_init_sock()
4976 sk->sk_gso_type = SKB_GSO_SCTP; in sctp_init_sock()
4981 sp->default_stream = 0; in sctp_init_sock()
4982 sp->default_ppid = 0; in sctp_init_sock()
4983 sp->default_flags = 0; in sctp_init_sock()
4984 sp->default_context = 0; in sctp_init_sock()
4985 sp->default_timetolive = 0; in sctp_init_sock()
4987 sp->default_rcv_context = 0; in sctp_init_sock()
4988 sp->max_burst = net->sctp.max_burst; in sctp_init_sock()
4990 sp->sctp_hmac_alg = net->sctp.sctp_hmac_alg; in sctp_init_sock()
4996 sp->initmsg.sinit_num_ostreams = sctp_max_outstreams; in sctp_init_sock()
4997 sp->initmsg.sinit_max_instreams = sctp_max_instreams; in sctp_init_sock()
4998 sp->initmsg.sinit_max_attempts = net->sctp.max_retrans_init; in sctp_init_sock()
4999 sp->initmsg.sinit_max_init_timeo = net->sctp.rto_max; in sctp_init_sock()
5004 sp->rtoinfo.srto_initial = net->sctp.rto_initial; in sctp_init_sock()
5005 sp->rtoinfo.srto_max = net->sctp.rto_max; in sctp_init_sock()
5006 sp->rtoinfo.srto_min = net->sctp.rto_min; in sctp_init_sock()
5011 sp->assocparams.sasoc_asocmaxrxt = net->sctp.max_retrans_association; in sctp_init_sock()
5012 sp->assocparams.sasoc_number_peer_destinations = 0; in sctp_init_sock()
5013 sp->assocparams.sasoc_peer_rwnd = 0; in sctp_init_sock()
5014 sp->assocparams.sasoc_local_rwnd = 0; in sctp_init_sock()
5015 sp->assocparams.sasoc_cookie_life = net->sctp.valid_cookie_life; in sctp_init_sock()
5020 sp->subscribe = 0; in sctp_init_sock()
5025 sp->hbinterval = net->sctp.hb_interval; in sctp_init_sock()
5026 sp->udp_port = htons(net->sctp.udp_port); in sctp_init_sock()
5027 sp->encap_port = htons(net->sctp.encap_port); in sctp_init_sock()
5028 sp->pathmaxrxt = net->sctp.max_retrans_path; in sctp_init_sock()
5029 sp->pf_retrans = net->sctp.pf_retrans; in sctp_init_sock()
5030 sp->ps_retrans = net->sctp.ps_retrans; in sctp_init_sock()
5031 sp->pf_expose = net->sctp.pf_expose; in sctp_init_sock()
5032 sp->pathmtu = 0; /* allow default discovery */ in sctp_init_sock()
5033 sp->sackdelay = net->sctp.sack_timeout; in sctp_init_sock()
5034 sp->sackfreq = 2; in sctp_init_sock()
5035 sp->param_flags = SPP_HB_ENABLE | in sctp_init_sock()
5038 sp->default_ss = SCTP_SS_DEFAULT; in sctp_init_sock()
5043 sp->disable_fragments = 0; in sctp_init_sock()
5046 sp->nodelay = 0; in sctp_init_sock()
5048 sp->recvrcvinfo = 0; in sctp_init_sock()
5049 sp->recvnxtinfo = 0; in sctp_init_sock()
5052 sp->v4mapped = 1; in sctp_init_sock()
5054 /* Auto-close idle associations after the configured in sctp_init_sock()
5057 * for UDP-style sockets only. in sctp_init_sock()
5059 sp->autoclose = 0; in sctp_init_sock()
5062 sp->user_frag = 0; in sctp_init_sock()
5064 sp->adaptation_ind = 0; in sctp_init_sock()
5066 sp->pf = sctp_get_pf_specific(sk->sk_family); in sctp_init_sock()
5069 atomic_set(&sp->pd_mode, 0); in sctp_init_sock()
5070 skb_queue_head_init(&sp->pd_lobby); in sctp_init_sock()
5071 sp->frag_interleave = 0; in sctp_init_sock()
5072 sp->probe_interval = net->sctp.probe_interval; in sctp_init_sock()
5076 * be useful for storing pre-connect address information. in sctp_init_sock()
5078 sp->ep = sctp_endpoint_new(sk, GFP_KERNEL); in sctp_init_sock()
5079 if (!sp->ep) in sctp_init_sock()
5080 return -ENOMEM; in sctp_init_sock()
5082 sp->hmac = NULL; in sctp_init_sock()
5084 sk->sk_destruct = sctp_destruct_sock; in sctp_init_sock()
5089 sock_prot_inuse_add(net, sk->sk_prot, 1); in sctp_init_sock()
5095 * sock_net(sk)->sctp.addr_wq_lock held if sp->do_auto_asconf is true
5099 struct sctp_sock *sp; in sctp_destroy_sock() local
5104 sp = sctp_sk(sk); in sctp_destroy_sock()
5108 if (sp->ep == NULL) in sctp_destroy_sock()
5111 if (sp->do_auto_asconf) { in sctp_destroy_sock()
5112 sp->do_auto_asconf = 0; in sctp_destroy_sock()
5113 list_del(&sp->auto_asconf_list); in sctp_destroy_sock()
5115 sctp_endpoint_free(sp->ep); in sctp_destroy_sock()
5117 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); in sctp_destroy_sock()
5123 struct sctp_sock *sp = sctp_sk(sk); in sctp_destruct_common() local
5126 crypto_free_shash(sp->hmac); in sctp_destruct_common()
5135 /* API 4.1.7 shutdown() - TCP Style Syntax
5138 * sd - the socket descriptor of the association to be closed.
5139 * how - Specifies the type of shutdown. The values are
5159 ep = sctp_sk(sk)->ep; in sctp_shutdown()
5160 if (how & SEND_SHUTDOWN && !list_empty(&ep->asocs)) { in sctp_shutdown()
5164 asoc = list_entry(ep->asocs.next, in sctp_shutdown()
5179 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_sctp_info() local
5181 info->sctpi_s_autoclose = sp->autoclose; in sctp_get_sctp_info()
5182 info->sctpi_s_adaptation_ind = sp->adaptation_ind; in sctp_get_sctp_info()
5183 info->sctpi_s_pd_point = sp->pd_point; in sctp_get_sctp_info()
5184 info->sctpi_s_nodelay = sp->nodelay; in sctp_get_sctp_info()
5185 info->sctpi_s_disable_fragments = sp->disable_fragments; in sctp_get_sctp_info()
5186 info->sctpi_s_v4mapped = sp->v4mapped; in sctp_get_sctp_info()
5187 info->sctpi_s_frag_interleave = sp->frag_interleave; in sctp_get_sctp_info()
5188 info->sctpi_s_type = sp->type; in sctp_get_sctp_info()
5193 info->sctpi_tag = asoc->c.my_vtag; in sctp_get_sctp_info()
5194 info->sctpi_state = asoc->state; in sctp_get_sctp_info()
5195 info->sctpi_rwnd = asoc->a_rwnd; in sctp_get_sctp_info()
5196 info->sctpi_unackdata = asoc->unack_data; in sctp_get_sctp_info()
5197 info->sctpi_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_get_sctp_info()
5198 info->sctpi_instrms = asoc->stream.incnt; in sctp_get_sctp_info()
5199 info->sctpi_outstrms = asoc->stream.outcnt; in sctp_get_sctp_info()
5200 list_for_each(pos, &asoc->base.inqueue.in_chunk_list) in sctp_get_sctp_info()
5201 info->sctpi_inqueue++; in sctp_get_sctp_info()
5202 list_for_each(pos, &asoc->outqueue.out_chunk_list) in sctp_get_sctp_info()
5203 info->sctpi_outqueue++; in sctp_get_sctp_info()
5204 info->sctpi_overall_error = asoc->overall_error_count; in sctp_get_sctp_info()
5205 info->sctpi_max_burst = asoc->max_burst; in sctp_get_sctp_info()
5206 info->sctpi_maxseg = asoc->frag_point; in sctp_get_sctp_info()
5207 info->sctpi_peer_rwnd = asoc->peer.rwnd; in sctp_get_sctp_info()
5208 info->sctpi_peer_tag = asoc->c.peer_vtag; in sctp_get_sctp_info()
5210 mask = asoc->peer.intl_capable << 1; in sctp_get_sctp_info()
5211 mask = (mask | asoc->peer.ecn_capable) << 1; in sctp_get_sctp_info()
5212 mask = (mask | asoc->peer.ipv4_address) << 1; in sctp_get_sctp_info()
5213 mask = (mask | asoc->peer.ipv6_address) << 1; in sctp_get_sctp_info()
5214 mask = (mask | asoc->peer.reconf_capable) << 1; in sctp_get_sctp_info()
5215 mask = (mask | asoc->peer.asconf_capable) << 1; in sctp_get_sctp_info()
5216 mask = (mask | asoc->peer.prsctp_capable) << 1; in sctp_get_sctp_info()
5217 mask = (mask | asoc->peer.auth_capable); in sctp_get_sctp_info()
5218 info->sctpi_peer_capable = mask; in sctp_get_sctp_info()
5219 mask = asoc->peer.sack_needed << 1; in sctp_get_sctp_info()
5220 mask = (mask | asoc->peer.sack_generation) << 1; in sctp_get_sctp_info()
5221 mask = (mask | asoc->peer.zero_window_announced); in sctp_get_sctp_info()
5222 info->sctpi_peer_sack = mask; in sctp_get_sctp_info()
5224 info->sctpi_isacks = asoc->stats.isacks; in sctp_get_sctp_info()
5225 info->sctpi_osacks = asoc->stats.osacks; in sctp_get_sctp_info()
5226 info->sctpi_opackets = asoc->stats.opackets; in sctp_get_sctp_info()
5227 info->sctpi_ipackets = asoc->stats.ipackets; in sctp_get_sctp_info()
5228 info->sctpi_rtxchunks = asoc->stats.rtxchunks; in sctp_get_sctp_info()
5229 info->sctpi_outofseqtsns = asoc->stats.outofseqtsns; in sctp_get_sctp_info()
5230 info->sctpi_idupchunks = asoc->stats.idupchunks; in sctp_get_sctp_info()
5231 info->sctpi_gapcnt = asoc->stats.gapcnt; in sctp_get_sctp_info()
5232 info->sctpi_ouodchunks = asoc->stats.ouodchunks; in sctp_get_sctp_info()
5233 info->sctpi_iuodchunks = asoc->stats.iuodchunks; in sctp_get_sctp_info()
5234 info->sctpi_oodchunks = asoc->stats.oodchunks; in sctp_get_sctp_info()
5235 info->sctpi_iodchunks = asoc->stats.iodchunks; in sctp_get_sctp_info()
5236 info->sctpi_octrlchunks = asoc->stats.octrlchunks; in sctp_get_sctp_info()
5237 info->sctpi_ictrlchunks = asoc->stats.ictrlchunks; in sctp_get_sctp_info()
5239 prim = asoc->peer.primary_path; in sctp_get_sctp_info()
5240 memcpy(&info->sctpi_p_address, &prim->ipaddr, sizeof(prim->ipaddr)); in sctp_get_sctp_info()
5241 info->sctpi_p_state = prim->state; in sctp_get_sctp_info()
5242 info->sctpi_p_cwnd = prim->cwnd; in sctp_get_sctp_info()
5243 info->sctpi_p_srtt = prim->srtt; in sctp_get_sctp_info()
5244 info->sctpi_p_rto = jiffies_to_msecs(prim->rto); in sctp_get_sctp_info()
5245 info->sctpi_p_hbinterval = prim->hbinterval; in sctp_get_sctp_info()
5246 info->sctpi_p_pathmaxrxt = prim->pathmaxrxt; in sctp_get_sctp_info()
5247 info->sctpi_p_sackdelay = jiffies_to_msecs(prim->sackdelay); in sctp_get_sctp_info()
5248 info->sctpi_p_ssthresh = prim->ssthresh; in sctp_get_sctp_info()
5249 info->sctpi_p_partial_bytes_acked = prim->partial_bytes_acked; in sctp_get_sctp_info()
5250 info->sctpi_p_flight_size = prim->flight_size; in sctp_get_sctp_info()
5251 info->sctpi_p_error = prim->error_count; in sctp_get_sctp_info()
5279 if (PTR_ERR(t) == -EAGAIN) in sctp_transport_get_next()
5287 if (net_eq(t->asoc->base.net, net) && in sctp_transport_get_next()
5288 t->asoc->peer.primary_path == t) in sctp_transport_get_next()
5307 if (!--pos) in sctp_transport_get_idx()
5324 read_lock_bh(&head->lock); in sctp_for_each_endpoint()
5325 sctp_for_each_hentry(ep, &head->chain) { in sctp_for_each_endpoint()
5330 read_unlock_bh(&head->lock); in sctp_for_each_endpoint()
5343 int err = -ENOENT; in sctp_transport_lookup_process()
5351 ep = transport->asoc->ep; in sctp_transport_lookup_process()
5380 ep = tsp->asoc->ep; in sctp_transport_traverse_process()
5412 * receipt. This information is read-only.
5425 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5431 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5438 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5442 transport = asoc->peer.primary_path; in sctp_getsockopt_sctp_status()
5446 status.sstat_rwnd = asoc->peer.rwnd; in sctp_getsockopt_sctp_status()
5447 status.sstat_unackdata = asoc->unack_data; in sctp_getsockopt_sctp_status()
5449 status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_getsockopt_sctp_status()
5450 status.sstat_instrms = asoc->stream.incnt; in sctp_getsockopt_sctp_status()
5451 status.sstat_outstrms = asoc->stream.outcnt; in sctp_getsockopt_sctp_status()
5452 status.sstat_fragmentation_point = asoc->frag_point; in sctp_getsockopt_sctp_status()
5453 status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_sctp_status()
5454 memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr, in sctp_getsockopt_sctp_status()
5455 transport->af_specific->sockaddr_len); in sctp_getsockopt_sctp_status()
5456 /* Map ipv4 address into v4-mapped-on-v6 address. */ in sctp_getsockopt_sctp_status()
5457 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sctp_sk(sk), in sctp_getsockopt_sctp_status()
5459 status.sstat_primary.spinfo_state = transport->state; in sctp_getsockopt_sctp_status()
5460 status.sstat_primary.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_sctp_status()
5461 status.sstat_primary.spinfo_srtt = transport->srtt; in sctp_getsockopt_sctp_status()
5462 status.sstat_primary.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_sctp_status()
5463 status.sstat_primary.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_sctp_status()
5469 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5478 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5492 * read-only.
5503 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5509 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5516 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5520 if (transport->state == SCTP_PF && in sctp_getsockopt_peer_addr_info()
5521 transport->asoc->pf_expose == SCTP_PF_EXPOSE_DISABLE) { in sctp_getsockopt_peer_addr_info()
5522 retval = -EACCES; in sctp_getsockopt_peer_addr_info()
5526 pinfo.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_peer_addr_info()
5527 pinfo.spinfo_state = transport->state; in sctp_getsockopt_peer_addr_info()
5528 pinfo.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_peer_addr_info()
5529 pinfo.spinfo_srtt = transport->srtt; in sctp_getsockopt_peer_addr_info()
5530 pinfo.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_peer_addr_info()
5531 pinfo.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_peer_addr_info()
5537 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5542 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5563 return -EINVAL; in sctp_getsockopt_disable_fragments()
5566 val = (sctp_sk(sk)->disable_fragments == 1); in sctp_getsockopt_disable_fragments()
5568 return -EFAULT; in sctp_getsockopt_disable_fragments()
5570 return -EFAULT; in sctp_getsockopt_disable_fragments()
5587 return -EINVAL; in sctp_getsockopt_events()
5591 return -EFAULT; in sctp_getsockopt_events()
5594 sn_type[i] = sctp_ulpevent_type_enabled(sctp_sk(sk)->subscribe, in sctp_getsockopt_events()
5598 return -EFAULT; in sctp_getsockopt_events()
5605 * This socket option is applicable to the UDP-style socket only. When
5616 /* Applicable to UDP-style socket only */ in sctp_getsockopt_autoclose()
5618 return -EOPNOTSUPP; in sctp_getsockopt_autoclose()
5620 return -EINVAL; in sctp_getsockopt_autoclose()
5623 return -EFAULT; in sctp_getsockopt_autoclose()
5624 if (put_user(sctp_sk(sk)->autoclose, (int __user *)optval)) in sctp_getsockopt_autoclose()
5625 return -EFAULT; in sctp_getsockopt_autoclose()
5633 struct sctp_sock *sp = sctp_sk(sk); in sctp_do_peeloff() local
5638 if (!net_eq(current->nsproxy->net_ns, sock_net(sk))) in sctp_do_peeloff()
5639 return -EINVAL; in sctp_do_peeloff()
5642 return -EINVAL; in sctp_do_peeloff()
5644 /* An association cannot be branched off from an already peeled-off in sctp_do_peeloff()
5648 return -EINVAL; in sctp_do_peeloff()
5651 err = sock_create(sk->sk_family, SOCK_SEQPACKET, IPPROTO_SCTP, &sock); in sctp_do_peeloff()
5655 sctp_copy_sock(sock->sk, sk, asoc); in sctp_do_peeloff()
5657 /* Make peeled-off sockets more like 1-1 accepted sockets. in sctp_do_peeloff()
5661 sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sock->sk); in sctp_do_peeloff()
5662 sp->pf->copy_ip_options(sk, sock->sk); in sctp_do_peeloff()
5667 err = sctp_sock_migrate(sk, sock->sk, asoc, in sctp_do_peeloff()
5686 retval = sctp_do_peeloff(sk, peeloff->associd, &newsock); in sctp_getsockopt_peeloff_common()
5705 pr_debug("%s: sk:%p, newsk:%p, sd:%d\n", __func__, sk, newsock->sk, in sctp_getsockopt_peeloff_common()
5708 peeloff->sd = retval; in sctp_getsockopt_peeloff_common()
5711 (*newfile)->f_flags |= O_NONBLOCK; in sctp_getsockopt_peeloff_common()
5723 return -EINVAL; in sctp_getsockopt_peeloff()
5726 return -EFAULT; in sctp_getsockopt_peeloff()
5736 return -EFAULT; in sctp_getsockopt_peeloff()
5742 return -EFAULT; in sctp_getsockopt_peeloff()
5757 return -EINVAL; in sctp_getsockopt_peeloff_flags()
5760 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5771 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5777 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5803 * spp_assoc_id - (one-to-many style socket) This is filled in the
5806 * spp_address - This specifies which address is of interest.
5807 * spp_hbinterval - This contains the value of the heartbeat interval,
5811 * spp_pathmaxrxt - This contains the maximum number of
5816 * spp_pathmtu - When Path MTU discovery is disabled the value
5822 * spp_sackdelay - When delayed sack is enabled, this value specifies
5830 * spp_flags - These flags are used to control various features
5834 * SPP_HB_ENABLE - Enable heartbeats on the
5839 * SPP_HB_DISABLE - Disable heartbeats on the
5842 * will have their heartbeats disabled. Note also
5848 * SPP_HB_DEMAND - Request a user initiated heartbeat
5851 * SPP_PMTUD_ENABLE - This field will enable PMTU
5856 * SPP_PMTUD_DISABLE - This field will disable PMTU
5864 * SPP_SACKDELAY_ENABLE - Setting this flag turns
5870 * SPP_SACKDELAY_DISABLE - Setting this flag turns
5872 * delayed sack is disabled for the entire association. Note
5888 * returned. For non-IPv6 sockets, this flag will be left
5905 * - This field is used in conjunction with the
5908 * label. This setting has precedence over any IPv6-layer
5911 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
5914 * IPv4- or IPv6- layer setting.
5922 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addr_params() local
5931 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5934 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5944 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5956 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5961 params.spp_hbinterval = jiffies_to_msecs(trans->hbinterval); in sctp_getsockopt_peer_addr_params()
5962 params.spp_pathmtu = trans->pathmtu; in sctp_getsockopt_peer_addr_params()
5963 params.spp_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5964 params.spp_sackdelay = jiffies_to_msecs(trans->sackdelay); in sctp_getsockopt_peer_addr_params()
5966 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5967 params.spp_flags = trans->param_flags; in sctp_getsockopt_peer_addr_params()
5968 if (trans->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5969 params.spp_ipv6_flowlabel = trans->flowlabel & in sctp_getsockopt_peer_addr_params()
5973 if (trans->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5974 params.spp_dscp = trans->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5979 params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval); in sctp_getsockopt_peer_addr_params()
5980 params.spp_pathmtu = asoc->pathmtu; in sctp_getsockopt_peer_addr_params()
5981 params.spp_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5982 params.spp_sackdelay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_peer_addr_params()
5984 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5985 params.spp_flags = asoc->param_flags; in sctp_getsockopt_peer_addr_params()
5986 if (asoc->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5987 params.spp_ipv6_flowlabel = asoc->flowlabel & in sctp_getsockopt_peer_addr_params()
5991 if (asoc->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5992 params.spp_dscp = asoc->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5997 params.spp_hbinterval = sp->hbinterval; in sctp_getsockopt_peer_addr_params()
5998 params.spp_pathmtu = sp->pathmtu; in sctp_getsockopt_peer_addr_params()
5999 params.spp_sackdelay = sp->sackdelay; in sctp_getsockopt_peer_addr_params()
6000 params.spp_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
6002 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
6003 params.spp_flags = sp->param_flags; in sctp_getsockopt_peer_addr_params()
6004 if (sp->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
6005 params.spp_ipv6_flowlabel = sp->flowlabel & in sctp_getsockopt_peer_addr_params()
6009 if (sp->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
6010 params.spp_dscp = sp->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
6016 return -EFAULT; in sctp_getsockopt_peer_addr_params()
6019 return -EFAULT; in sctp_getsockopt_peer_addr_params()
6032 * values. If the assoc_id field is non-zero, then the set or get
6044 * sack_assoc_id - This parameter, indicates which association the user
6049 * sack_delay - This parameter contains the number of milliseconds that
6054 * sack_freq - This parameter contains the number of packets that must
6065 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_delayed_ack() local
6071 return -EFAULT; in sctp_getsockopt_delayed_ack()
6077 current->comm, task_pid_nr(current)); in sctp_getsockopt_delayed_ack()
6079 return -EFAULT; in sctp_getsockopt_delayed_ack()
6081 return -EINVAL; in sctp_getsockopt_delayed_ack()
6090 return -EINVAL; in sctp_getsockopt_delayed_ack()
6094 if (asoc->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
6095 params.sack_delay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_delayed_ack()
6096 params.sack_freq = asoc->sackfreq; in sctp_getsockopt_delayed_ack()
6104 if (sp->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
6105 params.sack_delay = sp->sackdelay; in sctp_getsockopt_delayed_ack()
6106 params.sack_freq = sp->sackfreq; in sctp_getsockopt_delayed_ack()
6114 return -EFAULT; in sctp_getsockopt_delayed_ack()
6117 return -EFAULT; in sctp_getsockopt_delayed_ack()
6129 * socket (for UDP-style sockets only future associations are effected
6130 * by the change). With TCP-style sockets, this option is inherited by
6136 return -EINVAL; in sctp_getsockopt_initmsg()
6139 return -EFAULT; in sctp_getsockopt_initmsg()
6140 if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len)) in sctp_getsockopt_initmsg()
6141 return -EFAULT; in sctp_getsockopt_initmsg()
6155 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addrs() local
6161 return -EINVAL; in sctp_getsockopt_peer_addrs()
6164 return -EFAULT; in sctp_getsockopt_peer_addrs()
6166 /* For UDP-style sockets, id specifies the association to query. */ in sctp_getsockopt_peer_addrs()
6169 return -EINVAL; in sctp_getsockopt_peer_addrs()
6172 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_peer_addrs()
6174 list_for_each_entry(from, &asoc->peer.transport_addr_list, in sctp_getsockopt_peer_addrs()
6176 memcpy(&temp, &from->ipaddr, sizeof(temp)); in sctp_getsockopt_peer_addrs()
6177 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_peer_addrs()
6178 ->addr_to_user(sp, &temp); in sctp_getsockopt_peer_addrs()
6180 return -ENOMEM; in sctp_getsockopt_peer_addrs()
6182 return -EFAULT; in sctp_getsockopt_peer_addrs()
6185 space_left -= addrlen; in sctp_getsockopt_peer_addrs()
6188 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) in sctp_getsockopt_peer_addrs()
6189 return -EFAULT; in sctp_getsockopt_peer_addrs()
6190 bytes_copied = ((char __user *)to) - optval; in sctp_getsockopt_peer_addrs()
6192 return -EFAULT; in sctp_getsockopt_peer_addrs()
6207 list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) { in sctp_copy_laddrs()
6208 if (!addr->valid) in sctp_copy_laddrs()
6211 if ((PF_INET == sk->sk_family) && in sctp_copy_laddrs()
6212 (AF_INET6 == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6214 if ((PF_INET6 == sk->sk_family) && in sctp_copy_laddrs()
6216 (AF_INET == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6218 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_copy_laddrs()
6222 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_copy_laddrs()
6223 ->addr_to_user(sctp_sk(sk), &temp); in sctp_copy_laddrs()
6226 cnt = -ENOMEM; in sctp_copy_laddrs()
6233 space_left -= addrlen; in sctp_copy_laddrs()
6252 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_local_addrs() local
6261 return -EINVAL; in sctp_getsockopt_local_addrs()
6264 return -EFAULT; in sctp_getsockopt_local_addrs()
6267 * For UDP-style sockets, id specifies the association to query. in sctp_getsockopt_local_addrs()
6273 bp = &sctp_sk(sk)->ep->base.bind_addr; in sctp_getsockopt_local_addrs()
6277 return -EINVAL; in sctp_getsockopt_local_addrs()
6278 bp = &asoc->base.bind_addr; in sctp_getsockopt_local_addrs()
6282 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_local_addrs()
6286 return -ENOMEM; in sctp_getsockopt_local_addrs()
6291 if (sctp_list_single_entry(&bp->address_list)) { in sctp_getsockopt_local_addrs()
6292 addr = list_entry(bp->address_list.next, in sctp_getsockopt_local_addrs()
6294 if (sctp_is_any(sk, &addr->a)) { in sctp_getsockopt_local_addrs()
6295 cnt = sctp_copy_laddrs(sk, bp->port, addrs, in sctp_getsockopt_local_addrs()
6310 list_for_each_entry(addr, &bp->address_list, list) { in sctp_getsockopt_local_addrs()
6311 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_getsockopt_local_addrs()
6312 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_local_addrs()
6313 ->addr_to_user(sp, &temp); in sctp_getsockopt_local_addrs()
6315 err = -ENOMEM; /*fixme: right error?*/ in sctp_getsockopt_local_addrs()
6322 space_left -= addrlen; in sctp_getsockopt_local_addrs()
6327 err = -EFAULT; in sctp_getsockopt_local_addrs()
6330 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) { in sctp_getsockopt_local_addrs()
6331 err = -EFAULT; in sctp_getsockopt_local_addrs()
6338 err = -EFAULT; in sctp_getsockopt_local_addrs()
6355 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_primary_addr() local
6358 return -EINVAL; in sctp_getsockopt_primary_addr()
6363 return -EFAULT; in sctp_getsockopt_primary_addr()
6367 return -EINVAL; in sctp_getsockopt_primary_addr()
6369 if (!asoc->peer.primary_path) in sctp_getsockopt_primary_addr()
6370 return -ENOTCONN; in sctp_getsockopt_primary_addr()
6372 memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr, in sctp_getsockopt_primary_addr()
6373 asoc->peer.primary_path->af_specific->sockaddr_len); in sctp_getsockopt_primary_addr()
6375 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sp, in sctp_getsockopt_primary_addr()
6379 return -EFAULT; in sctp_getsockopt_primary_addr()
6381 return -EFAULT; in sctp_getsockopt_primary_addr()
6390 * Indication parameter for all future INIT and INIT-ACK exchanges.
6398 return -EINVAL; in sctp_getsockopt_adaptation_layer()
6402 adaptation.ssb_adaptation_ind = sctp_sk(sk)->adaptation_ind; in sctp_getsockopt_adaptation_layer()
6405 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6407 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6435 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_send_param() local
6440 return -EINVAL; in sctp_getsockopt_default_send_param()
6445 return -EFAULT; in sctp_getsockopt_default_send_param()
6450 return -EINVAL; in sctp_getsockopt_default_send_param()
6453 info.sinfo_stream = asoc->default_stream; in sctp_getsockopt_default_send_param()
6454 info.sinfo_flags = asoc->default_flags; in sctp_getsockopt_default_send_param()
6455 info.sinfo_ppid = asoc->default_ppid; in sctp_getsockopt_default_send_param()
6456 info.sinfo_context = asoc->default_context; in sctp_getsockopt_default_send_param()
6457 info.sinfo_timetolive = asoc->default_timetolive; in sctp_getsockopt_default_send_param()
6459 info.sinfo_stream = sp->default_stream; in sctp_getsockopt_default_send_param()
6460 info.sinfo_flags = sp->default_flags; in sctp_getsockopt_default_send_param()
6461 info.sinfo_ppid = sp->default_ppid; in sctp_getsockopt_default_send_param()
6462 info.sinfo_context = sp->default_context; in sctp_getsockopt_default_send_param()
6463 info.sinfo_timetolive = sp->default_timetolive; in sctp_getsockopt_default_send_param()
6467 return -EFAULT; in sctp_getsockopt_default_send_param()
6469 return -EFAULT; in sctp_getsockopt_default_send_param()
6481 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_sndinfo() local
6486 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6491 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6496 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6499 info.snd_sid = asoc->default_stream; in sctp_getsockopt_default_sndinfo()
6500 info.snd_flags = asoc->default_flags; in sctp_getsockopt_default_sndinfo()
6501 info.snd_ppid = asoc->default_ppid; in sctp_getsockopt_default_sndinfo()
6502 info.snd_context = asoc->default_context; in sctp_getsockopt_default_sndinfo()
6504 info.snd_sid = sp->default_stream; in sctp_getsockopt_default_sndinfo()
6505 info.snd_flags = sp->default_flags; in sctp_getsockopt_default_sndinfo()
6506 info.snd_ppid = sp->default_ppid; in sctp_getsockopt_default_sndinfo()
6507 info.snd_context = sp->default_context; in sctp_getsockopt_default_sndinfo()
6511 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6513 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6522 * Turn on/off any Nagle-like algorithm. This means that packets are
6534 return -EINVAL; in sctp_getsockopt_nodelay()
6537 val = (sctp_sk(sk)->nodelay == 1); in sctp_getsockopt_nodelay()
6539 return -EFAULT; in sctp_getsockopt_nodelay()
6541 return -EFAULT; in sctp_getsockopt_nodelay()
6564 return -EINVAL; in sctp_getsockopt_rtoinfo()
6569 return -EFAULT; in sctp_getsockopt_rtoinfo()
6575 return -EINVAL; in sctp_getsockopt_rtoinfo()
6579 rtoinfo.srto_initial = jiffies_to_msecs(asoc->rto_initial); in sctp_getsockopt_rtoinfo()
6580 rtoinfo.srto_max = jiffies_to_msecs(asoc->rto_max); in sctp_getsockopt_rtoinfo()
6581 rtoinfo.srto_min = jiffies_to_msecs(asoc->rto_min); in sctp_getsockopt_rtoinfo()
6584 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_rtoinfo() local
6586 rtoinfo.srto_initial = sp->rtoinfo.srto_initial; in sctp_getsockopt_rtoinfo()
6587 rtoinfo.srto_max = sp->rtoinfo.srto_max; in sctp_getsockopt_rtoinfo()
6588 rtoinfo.srto_min = sp->rtoinfo.srto_min; in sctp_getsockopt_rtoinfo()
6592 return -EFAULT; in sctp_getsockopt_rtoinfo()
6595 return -EFAULT; in sctp_getsockopt_rtoinfo()
6622 return -EINVAL; in sctp_getsockopt_associnfo()
6627 return -EFAULT; in sctp_getsockopt_associnfo()
6633 return -EINVAL; in sctp_getsockopt_associnfo()
6637 assocparams.sasoc_asocmaxrxt = asoc->max_retrans; in sctp_getsockopt_associnfo()
6638 assocparams.sasoc_peer_rwnd = asoc->peer.rwnd; in sctp_getsockopt_associnfo()
6639 assocparams.sasoc_local_rwnd = asoc->a_rwnd; in sctp_getsockopt_associnfo()
6640 assocparams.sasoc_cookie_life = ktime_to_ms(asoc->cookie_life); in sctp_getsockopt_associnfo()
6642 list_for_each(pos, &asoc->peer.transport_addr_list) { in sctp_getsockopt_associnfo()
6649 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_associnfo() local
6651 assocparams.sasoc_asocmaxrxt = sp->assocparams.sasoc_asocmaxrxt; in sctp_getsockopt_associnfo()
6652 assocparams.sasoc_peer_rwnd = sp->assocparams.sasoc_peer_rwnd; in sctp_getsockopt_associnfo()
6653 assocparams.sasoc_local_rwnd = sp->assocparams.sasoc_local_rwnd; in sctp_getsockopt_associnfo()
6655 sp->assocparams.sasoc_cookie_life; in sctp_getsockopt_associnfo()
6657 sp->assocparams. in sctp_getsockopt_associnfo()
6662 return -EFAULT; in sctp_getsockopt_associnfo()
6665 return -EFAULT; in sctp_getsockopt_associnfo()
6684 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_mappedv4() local
6687 return -EINVAL; in sctp_getsockopt_mappedv4()
6690 val = sp->v4mapped; in sctp_getsockopt_mappedv4()
6692 return -EFAULT; in sctp_getsockopt_mappedv4()
6694 return -EFAULT; in sctp_getsockopt_mappedv4()
6710 return -EINVAL; in sctp_getsockopt_context()
6715 return -EFAULT; in sctp_getsockopt_context()
6720 return -EINVAL; in sctp_getsockopt_context()
6722 params.assoc_value = asoc ? asoc->default_rcv_context in sctp_getsockopt_context()
6723 : sctp_sk(sk)->default_rcv_context; in sctp_getsockopt_context()
6726 return -EFAULT; in sctp_getsockopt_context()
6728 return -EFAULT; in sctp_getsockopt_context()
6753 * assoc_id: This parameter is ignored for one-to-one style sockets.
6754 * For one-to-many style sockets this parameter indicates which
6771 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxseg()
6776 return -EFAULT; in sctp_getsockopt_maxseg()
6778 return -EINVAL; in sctp_getsockopt_maxseg()
6783 return -EINVAL; in sctp_getsockopt_maxseg()
6786 params.assoc_value = asoc->frag_point; in sctp_getsockopt_maxseg()
6788 params.assoc_value = sctp_sk(sk)->user_frag; in sctp_getsockopt_maxseg()
6791 return -EFAULT; in sctp_getsockopt_maxseg()
6794 return -EFAULT; in sctp_getsockopt_maxseg()
6797 return -EFAULT; in sctp_getsockopt_maxseg()
6813 return -EINVAL; in sctp_getsockopt_fragment_interleave()
6817 val = sctp_sk(sk)->frag_interleave; in sctp_getsockopt_fragment_interleave()
6819 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6821 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6837 return -EINVAL; in sctp_getsockopt_partial_delivery_point()
6841 val = sctp_sk(sk)->pd_point; in sctp_getsockopt_partial_delivery_point()
6843 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6845 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6866 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxburst()
6871 return -EFAULT; in sctp_getsockopt_maxburst()
6873 return -EINVAL; in sctp_getsockopt_maxburst()
6878 return -EINVAL; in sctp_getsockopt_maxburst()
6880 params.assoc_value = asoc ? asoc->max_burst : sctp_sk(sk)->max_burst; in sctp_getsockopt_maxburst()
6884 return -EFAULT; in sctp_getsockopt_maxburst()
6887 return -EFAULT; in sctp_getsockopt_maxburst()
6897 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_hmac_ident()
6904 if (!ep->auth_enable) in sctp_getsockopt_hmac_ident()
6905 return -EACCES; in sctp_getsockopt_hmac_ident()
6907 hmacs = ep->auth_hmacs_list; in sctp_getsockopt_hmac_ident()
6908 data_len = ntohs(hmacs->param_hdr.length) - in sctp_getsockopt_hmac_ident()
6912 return -EINVAL; in sctp_getsockopt_hmac_ident()
6918 return -EFAULT; in sctp_getsockopt_hmac_ident()
6919 if (put_user(num_idents, &p->shmac_num_idents)) in sctp_getsockopt_hmac_ident()
6920 return -EFAULT; in sctp_getsockopt_hmac_ident()
6922 __u16 hmacid = ntohs(hmacs->hmac_ids[i]); in sctp_getsockopt_hmac_ident()
6924 if (copy_to_user(&p->shmac_idents[i], &hmacid, sizeof(__u16))) in sctp_getsockopt_hmac_ident()
6925 return -EFAULT; in sctp_getsockopt_hmac_ident()
6933 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_active_key()
6938 return -EINVAL; in sctp_getsockopt_active_key()
6942 return -EFAULT; in sctp_getsockopt_active_key()
6946 return -EINVAL; in sctp_getsockopt_active_key()
6949 if (!asoc->peer.auth_capable) in sctp_getsockopt_active_key()
6950 return -EACCES; in sctp_getsockopt_active_key()
6951 val.scact_keynumber = asoc->active_key_id; in sctp_getsockopt_active_key()
6953 if (!ep->auth_enable) in sctp_getsockopt_active_key()
6954 return -EACCES; in sctp_getsockopt_active_key()
6955 val.scact_keynumber = ep->active_key_id; in sctp_getsockopt_active_key()
6959 return -EFAULT; in sctp_getsockopt_active_key()
6961 return -EFAULT; in sctp_getsockopt_active_key()
6977 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6980 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6982 to = p->gauth_chunks; in sctp_getsockopt_peer_auth_chunks()
6985 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6987 if (!asoc->peer.auth_capable) in sctp_getsockopt_peer_auth_chunks()
6988 return -EACCES; in sctp_getsockopt_peer_auth_chunks()
6990 ch = asoc->peer.peer_chunks; in sctp_getsockopt_peer_auth_chunks()
6995 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_peer_auth_chunks()
6997 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6999 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_peer_auth_chunks()
7000 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
7004 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
7005 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_peer_auth_chunks()
7006 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
7013 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_local_auth_chunks()
7022 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
7025 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
7027 to = p->gauth_chunks; in sctp_getsockopt_local_auth_chunks()
7031 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
7034 if (!asoc->peer.auth_capable) in sctp_getsockopt_local_auth_chunks()
7035 return -EACCES; in sctp_getsockopt_local_auth_chunks()
7036 ch = (struct sctp_chunks_param *)asoc->c.auth_chunks; in sctp_getsockopt_local_auth_chunks()
7038 if (!ep->auth_enable) in sctp_getsockopt_local_auth_chunks()
7039 return -EACCES; in sctp_getsockopt_local_auth_chunks()
7040 ch = ep->auth_chunk_list; in sctp_getsockopt_local_auth_chunks()
7045 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_local_auth_chunks()
7047 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
7049 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_local_auth_chunks()
7050 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
7054 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
7055 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_local_auth_chunks()
7056 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
7064 * to a one-to-many style socket. The option value is an uint32_t.
7069 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_number() local
7074 return -EOPNOTSUPP; in sctp_getsockopt_assoc_number()
7077 return -EINVAL; in sctp_getsockopt_assoc_number()
7081 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_number()
7086 return -EFAULT; in sctp_getsockopt_assoc_number()
7088 return -EFAULT; in sctp_getsockopt_assoc_number()
7103 return -EINVAL; in sctp_getsockopt_auto_asconf()
7106 if (sctp_sk(sk)->do_auto_asconf && sctp_is_ep_boundall(sk)) in sctp_getsockopt_auto_asconf()
7109 return -EFAULT; in sctp_getsockopt_auto_asconf()
7111 return -EFAULT; in sctp_getsockopt_auto_asconf()
7120 * the SCTP associations handled by a one-to-many style socket.
7125 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_ids() local
7132 return -EOPNOTSUPP; in sctp_getsockopt_assoc_ids()
7135 return -EINVAL; in sctp_getsockopt_assoc_ids()
7137 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7143 return -EINVAL; in sctp_getsockopt_assoc_ids()
7148 return -ENOMEM; in sctp_getsockopt_assoc_ids()
7150 ids->gaids_number_of_ids = num; in sctp_getsockopt_assoc_ids()
7152 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7153 ids->gaids_assoc_id[num++] = asoc->assoc_id; in sctp_getsockopt_assoc_ids()
7158 return -EFAULT; in sctp_getsockopt_assoc_ids()
7170 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
7183 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7186 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7192 return -ENOENT; in sctp_getsockopt_paddr_thresholds()
7194 val.spt_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7195 val.spt_pathpfthld = trans->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7196 val.spt_pathcpthld = trans->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7204 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7207 val.spt_pathpfthld = asoc->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7208 val.spt_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7209 val.spt_pathcpthld = asoc->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7211 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_paddr_thresholds() local
7213 val.spt_pathpfthld = sp->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7214 val.spt_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7215 val.spt_pathcpthld = sp->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7220 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7240 return -EINVAL; in sctp_getsockopt_assoc_stats()
7246 return -EFAULT; in sctp_getsockopt_assoc_stats()
7250 return -EINVAL; in sctp_getsockopt_assoc_stats()
7252 sas.sas_rtxchunks = asoc->stats.rtxchunks; in sctp_getsockopt_assoc_stats()
7253 sas.sas_gapcnt = asoc->stats.gapcnt; in sctp_getsockopt_assoc_stats()
7254 sas.sas_outofseqtsns = asoc->stats.outofseqtsns; in sctp_getsockopt_assoc_stats()
7255 sas.sas_osacks = asoc->stats.osacks; in sctp_getsockopt_assoc_stats()
7256 sas.sas_isacks = asoc->stats.isacks; in sctp_getsockopt_assoc_stats()
7257 sas.sas_octrlchunks = asoc->stats.octrlchunks; in sctp_getsockopt_assoc_stats()
7258 sas.sas_ictrlchunks = asoc->stats.ictrlchunks; in sctp_getsockopt_assoc_stats()
7259 sas.sas_oodchunks = asoc->stats.oodchunks; in sctp_getsockopt_assoc_stats()
7260 sas.sas_iodchunks = asoc->stats.iodchunks; in sctp_getsockopt_assoc_stats()
7261 sas.sas_ouodchunks = asoc->stats.ouodchunks; in sctp_getsockopt_assoc_stats()
7262 sas.sas_iuodchunks = asoc->stats.iuodchunks; in sctp_getsockopt_assoc_stats()
7263 sas.sas_idupchunks = asoc->stats.idupchunks; in sctp_getsockopt_assoc_stats()
7264 sas.sas_opackets = asoc->stats.opackets; in sctp_getsockopt_assoc_stats()
7265 sas.sas_ipackets = asoc->stats.ipackets; in sctp_getsockopt_assoc_stats()
7271 sas.sas_maxrto = asoc->stats.max_obs_rto; in sctp_getsockopt_assoc_stats()
7272 memcpy(&sas.sas_obs_rto_ipaddr, &asoc->stats.obs_rto_ipaddr, in sctp_getsockopt_assoc_stats()
7276 asoc->stats.max_obs_rto = asoc->rto_min; in sctp_getsockopt_assoc_stats()
7279 return -EFAULT; in sctp_getsockopt_assoc_stats()
7284 return -EFAULT; in sctp_getsockopt_assoc_stats()
7296 return -EINVAL; in sctp_getsockopt_recvrcvinfo()
7299 if (sctp_sk(sk)->recvrcvinfo) in sctp_getsockopt_recvrcvinfo()
7302 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7304 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7316 return -EINVAL; in sctp_getsockopt_recvnxtinfo()
7319 if (sctp_sk(sk)->recvnxtinfo) in sctp_getsockopt_recvnxtinfo()
7322 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7324 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7335 int retval = -EFAULT; in sctp_getsockopt_pr_supported()
7338 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7349 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7353 params.assoc_value = asoc ? asoc->peer.prsctp_capable in sctp_getsockopt_pr_supported()
7354 : sctp_sk(sk)->ep->prsctp_enable; in sctp_getsockopt_pr_supported()
7374 int retval = -EFAULT; in sctp_getsockopt_default_prinfo()
7377 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7388 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7393 info.pr_policy = SCTP_PR_POLICY(asoc->default_flags); in sctp_getsockopt_default_prinfo()
7394 info.pr_value = asoc->default_timetolive; in sctp_getsockopt_default_prinfo()
7396 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_prinfo() local
7398 info.pr_policy = SCTP_PR_POLICY(sp->default_flags); in sctp_getsockopt_default_prinfo()
7399 info.pr_value = sp->default_timetolive; in sctp_getsockopt_default_prinfo()
7421 int retval = -EINVAL; in sctp_getsockopt_pr_assocstatus()
7428 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7446 asoc->abandoned_unsent[policy]; in sctp_getsockopt_pr_assocstatus()
7448 asoc->abandoned_sent[policy]; in sctp_getsockopt_pr_assocstatus()
7452 asoc->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7454 asoc->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7458 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7463 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7480 int retval = -EINVAL; in sctp_getsockopt_pr_streamstatus()
7488 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7498 if (!asoc || params.sprstat_sid >= asoc->stream.outcnt) in sctp_getsockopt_pr_streamstatus()
7501 streamoute = SCTP_SO(&asoc->stream, params.sprstat_sid)->ext; in sctp_getsockopt_pr_streamstatus()
7515 streamoute->abandoned_unsent[policy]; in sctp_getsockopt_pr_streamstatus()
7517 streamoute->abandoned_sent[policy]; in sctp_getsockopt_pr_streamstatus()
7521 streamoute->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7523 streamoute->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7527 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7543 int retval = -EFAULT; in sctp_getsockopt_reconfig_supported()
7546 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7557 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7561 params.assoc_value = asoc ? asoc->peer.reconf_capable in sctp_getsockopt_reconfig_supported()
7562 : sctp_sk(sk)->ep->reconf_enable; in sctp_getsockopt_reconfig_supported()
7582 int retval = -EFAULT; in sctp_getsockopt_enable_strreset()
7585 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7596 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7600 params.assoc_value = asoc ? asoc->strreset_enable in sctp_getsockopt_enable_strreset()
7601 : sctp_sk(sk)->ep->strreset_enable; in sctp_getsockopt_enable_strreset()
7621 int retval = -EFAULT; in sctp_getsockopt_scheduler()
7624 retval = -EINVAL; in sctp_getsockopt_scheduler()
7635 retval = -EINVAL; in sctp_getsockopt_scheduler()
7640 : sctp_sk(sk)->default_ss; in sctp_getsockopt_scheduler()
7660 int retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7663 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7673 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7683 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7688 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7702 int retval = -EFAULT; in sctp_getsockopt_interleaving_supported()
7705 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7716 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7720 params.assoc_value = asoc ? asoc->peer.intl_capable in sctp_getsockopt_interleaving_supported()
7721 : sctp_sk(sk)->ep->intl_enable; in sctp_getsockopt_interleaving_supported()
7742 return -EINVAL; in sctp_getsockopt_reuse_port()
7745 val = sctp_sk(sk)->reuse; in sctp_getsockopt_reuse_port()
7747 return -EFAULT; in sctp_getsockopt_reuse_port()
7750 return -EFAULT; in sctp_getsockopt_reuse_port()
7763 return -EINVAL; in sctp_getsockopt_event()
7767 return -EFAULT; in sctp_getsockopt_event()
7771 return -EINVAL; in sctp_getsockopt_event()
7776 return -EINVAL; in sctp_getsockopt_event()
7778 subscribe = asoc ? asoc->subscribe : sctp_sk(sk)->subscribe; in sctp_getsockopt_event()
7782 return -EFAULT; in sctp_getsockopt_event()
7785 return -EFAULT; in sctp_getsockopt_event()
7796 int retval = -EFAULT; in sctp_getsockopt_asconf_supported()
7799 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7810 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7814 params.assoc_value = asoc ? asoc->peer.asconf_capable in sctp_getsockopt_asconf_supported()
7815 : sctp_sk(sk)->ep->asconf_enable; in sctp_getsockopt_asconf_supported()
7835 int retval = -EFAULT; in sctp_getsockopt_auth_supported()
7838 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7849 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7853 params.assoc_value = asoc ? asoc->peer.auth_capable in sctp_getsockopt_auth_supported()
7854 : sctp_sk(sk)->ep->auth_enable; in sctp_getsockopt_auth_supported()
7874 int retval = -EFAULT; in sctp_getsockopt_ecn_supported()
7877 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7888 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7892 params.assoc_value = asoc ? asoc->peer.ecn_capable in sctp_getsockopt_ecn_supported()
7893 : sctp_sk(sk)->ep->ecn_enable; in sctp_getsockopt_ecn_supported()
7913 int retval = -EFAULT; in sctp_getsockopt_pf_expose()
7916 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7927 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7931 params.assoc_value = asoc ? asoc->pf_expose in sctp_getsockopt_pf_expose()
7932 : sctp_sk(sk)->pf_expose; in sctp_getsockopt_pf_expose()
7955 return -EINVAL; in sctp_getsockopt_encap_port()
7959 return -EFAULT; in sctp_getsockopt_encap_port()
7969 return -EINVAL; in sctp_getsockopt_encap_port()
7972 encap_port = t->encap_port; in sctp_getsockopt_encap_port()
7984 return -EINVAL; in sctp_getsockopt_encap_port()
7988 encap_port = asoc->encap_port; in sctp_getsockopt_encap_port()
7992 encap_port = sctp_sk(sk)->encap_port; in sctp_getsockopt_encap_port()
7997 return -EFAULT; in sctp_getsockopt_encap_port()
8000 return -EFAULT; in sctp_getsockopt_encap_port()
8015 return -EINVAL; in sctp_getsockopt_probe_interval()
8019 return -EFAULT; in sctp_getsockopt_probe_interval()
8029 return -EINVAL; in sctp_getsockopt_probe_interval()
8032 probe_interval = jiffies_to_msecs(t->probe_interval); in sctp_getsockopt_probe_interval()
8044 return -EINVAL; in sctp_getsockopt_probe_interval()
8048 probe_interval = jiffies_to_msecs(asoc->probe_interval); in sctp_getsockopt_probe_interval()
8052 probe_interval = sctp_sk(sk)->probe_interval; in sctp_getsockopt_probe_interval()
8057 return -EFAULT; in sctp_getsockopt_probe_interval()
8060 return -EFAULT; in sctp_getsockopt_probe_interval()
8077 * are at all well-founded. in sctp_getsockopt()
8080 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_getsockopt()
8082 retval = af->getsockopt(sk, level, optname, optval, optlen); in sctp_getsockopt()
8087 return -EFAULT; in sctp_getsockopt()
8090 return -EINVAL; in sctp_getsockopt()
8188 retval = -EOPNOTSUPP; in sctp_getsockopt()
8292 retval = -ENOPROTOOPT; in sctp_getsockopt()
8333 * would expect from a hash function, all the ports in a given list have
8335 * expecting that, right?); so each list has a set of ports, with a
8344 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_port_local() local
8345 bool reuse = (sk->sk_reuse || sp->reuse); in sctp_get_port_local()
8353 snum = ntohs(addr->v4.sin_port); in sctp_get_port_local()
8363 remaining = (high - low) + 1; in sctp_get_port_local()
8374 spin_lock_bh(&head->lock); in sctp_get_port_local()
8375 sctp_for_each_hentry(pp, &head->chain) in sctp_get_port_local()
8376 if ((pp->port == rover) && in sctp_get_port_local()
8377 net_eq(net, pp->net)) in sctp_get_port_local()
8381 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8383 } while (--remaining > 0); in sctp_get_port_local()
8391 * hash table list entry) is non-NULL and we hold it's in sctp_get_port_local()
8399 * to the port number (snum) - we detect that with the in sctp_get_port_local()
8403 spin_lock_bh(&head->lock); in sctp_get_port_local()
8404 sctp_for_each_hentry(pp, &head->chain) { in sctp_get_port_local()
8405 if ((pp->port == snum) && net_eq(pp->net, net)) in sctp_get_port_local()
8412 if (!hlist_empty(&pp->owner)) { in sctp_get_port_local()
8413 /* We had a port hash table hit - there is an in sctp_get_port_local()
8415 * used by other socket (pp->owner not empty); that other in sctp_get_port_local()
8422 if ((pp->fastreuse && reuse && in sctp_get_port_local()
8423 sk->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8424 (pp->fastreuseport && sk->sk_reuseport && in sctp_get_port_local()
8425 uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8429 * (pp->port) [via the pointers bind_next and in sctp_get_port_local()
8430 * bind_pprev in the struct sock *sk2 (pp->sk)]. On each one, in sctp_get_port_local()
8438 sk_for_each_bound(sk2, &pp->owner) { in sctp_get_port_local()
8439 int bound_dev_if2 = READ_ONCE(sk2->sk_bound_dev_if); in sctp_get_port_local()
8441 struct sctp_endpoint *ep2 = sp2->ep; in sctp_get_port_local()
8444 (reuse && (sk2->sk_reuse || sp2->reuse) && in sctp_get_port_local()
8445 sk2->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8446 (sk->sk_reuseport && sk2->sk_reuseport && in sctp_get_port_local()
8450 if ((!sk->sk_bound_dev_if || !bound_dev_if2 || in sctp_get_port_local()
8451 sk->sk_bound_dev_if == bound_dev_if2) && in sctp_get_port_local()
8452 sctp_bind_addr_conflict(&ep2->base.bind_addr, in sctp_get_port_local()
8453 addr, sp2, sp)) { in sctp_get_port_local()
8468 * if sk->sk_reuse is too (that is, if the caller requested in sctp_get_port_local()
8469 * SO_REUSEADDR on this socket -sk-). in sctp_get_port_local()
8471 if (hlist_empty(&pp->owner)) { in sctp_get_port_local()
8472 if (reuse && sk->sk_state != SCTP_SS_LISTENING) in sctp_get_port_local()
8473 pp->fastreuse = 1; in sctp_get_port_local()
8475 pp->fastreuse = 0; in sctp_get_port_local()
8477 if (sk->sk_reuseport) { in sctp_get_port_local()
8478 pp->fastreuseport = 1; in sctp_get_port_local()
8479 pp->fastuid = uid; in sctp_get_port_local()
8481 pp->fastreuseport = 0; in sctp_get_port_local()
8484 if (pp->fastreuse && in sctp_get_port_local()
8485 (!reuse || sk->sk_state == SCTP_SS_LISTENING)) in sctp_get_port_local()
8486 pp->fastreuse = 0; in sctp_get_port_local()
8488 if (pp->fastreuseport && in sctp_get_port_local()
8489 (!sk->sk_reuseport || !uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8490 pp->fastreuseport = 0; in sctp_get_port_local()
8498 if (!sp->bind_hash) { in sctp_get_port_local()
8499 inet_sk(sk)->inet_num = snum; in sctp_get_port_local()
8500 sk_add_bind_node(sk, &pp->owner); in sctp_get_port_local()
8501 sp->bind_hash = pp; in sctp_get_port_local()
8506 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8516 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_get_port()
8519 af->from_sk(&addr, sk); in sctp_get_port()
8522 /* Note: sk->sk_num gets filled in if ephemeral port request. */ in sctp_get_port()
8531 struct sctp_sock *sp = sctp_sk(sk); in sctp_listen_start() local
8532 struct sctp_endpoint *ep = sp->ep; in sctp_listen_start()
8538 if (!sp->hmac && sp->sctp_hmac_alg) { in sctp_listen_start()
8539 sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg); in sctp_listen_start()
8543 sp->sctp_hmac_alg, PTR_ERR(tfm)); in sctp_listen_start()
8544 return -ENOSYS; in sctp_listen_start()
8546 sctp_sk(sk)->hmac = tfm; in sctp_listen_start()
8561 if (!ep->base.bind_addr.port) { in sctp_listen_start()
8563 err = -EAGAIN; in sctp_listen_start()
8567 if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { in sctp_listen_start()
8568 err = -EADDRINUSE; in sctp_listen_start()
8573 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_listen_start()
8600 struct sock *sk = sock->sk; in sctp_inet_listen()
8601 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_inet_listen()
8602 int err = -EINVAL; in sctp_inet_listen()
8609 /* Peeled-off sockets are not allowed to listen(). */ in sctp_inet_listen()
8613 if (sock->state != SS_UNCONNECTED) in sctp_inet_listen()
8626 sk->sk_state = SCTP_SS_CLOSED; in sctp_inet_listen()
8627 if (sk->sk_reuse || sctp_sk(sk)->reuse) in sctp_inet_listen()
8628 sctp_sk(sk)->bind_hash->fastreuse = 1; in sctp_inet_listen()
8634 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_inet_listen()
8662 struct sock *sk = sock->sk; in sctp_poll()
8663 struct sctp_sock *sp = sctp_sk(sk); in sctp_poll() local
8670 /* A TCP-style listening socket becomes readable when the accept queue in sctp_poll()
8674 return (!list_empty(&sp->ep->asocs)) ? in sctp_poll()
8680 if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) in sctp_poll()
8683 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_poll()
8685 if (sk->sk_shutdown == SHUTDOWN_MASK) in sctp_poll()
8688 /* Is it readable? Reconsider this code with TCP-style support. */ in sctp_poll()
8689 if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_poll()
8727 pp->port = snum; in sctp_bucket_create()
8728 pp->fastreuse = 0; in sctp_bucket_create()
8729 INIT_HLIST_HEAD(&pp->owner); in sctp_bucket_create()
8730 pp->net = net; in sctp_bucket_create()
8731 hlist_add_head(&pp->node, &head->chain); in sctp_bucket_create()
8736 /* Caller must hold hashbucket lock for this tb with local BH disabled */
8739 if (pp && hlist_empty(&pp->owner)) { in sctp_bucket_destroy()
8740 __hlist_del(&pp->node); in sctp_bucket_destroy()
8751 inet_sk(sk)->inet_num)]; in __sctp_put_port()
8754 spin_lock(&head->lock); in __sctp_put_port()
8755 pp = sctp_sk(sk)->bind_hash; in __sctp_put_port()
8757 sctp_sk(sk)->bind_hash = NULL; in __sctp_put_port()
8758 inet_sk(sk)->inet_num = 0; in __sctp_put_port()
8760 spin_unlock(&head->lock); in __sctp_put_port()
8783 af = sctp_sk(sk)->pf->af; in sctp_autobind()
8785 port = htons(inet_sk(sk)->inet_num); in sctp_autobind()
8786 af->inaddr_any(&autoaddr, port); in sctp_autobind()
8788 return sctp_do_bind(sk, &autoaddr, af->sockaddr_len); in sctp_autobind()
8800 * Historically Berkeley-derived implementations have passed only one object
8805 * |<--------------------------- msg_controllen -------------------------->|
8808 * |<----- ancillary data object ----->|<----- ancillary data object ----->|
8810 * |<---------- CMSG_SPACE() --------->|<---------- CMSG_SPACE() --------->|
8813 * |<---------- cmsg_len ---------->| |<--------- cmsg_len ----------->| |
8815 * |<--------- CMSG_LEN() --------->| |<-------- CMSG_LEN() ---------->| |
8818 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8823 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8837 return -EINVAL; in sctp_msghdr_parse()
8840 if (cmsg->cmsg_level != IPPROTO_SCTP) in sctp_msghdr_parse()
8844 switch (cmsg->cmsg_type) { in sctp_msghdr_parse()
8856 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8859 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_initmsg))) in sctp_msghdr_parse()
8860 return -EINVAL; in sctp_msghdr_parse()
8862 cmsgs->init = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8874 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8877 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) in sctp_msghdr_parse()
8878 return -EINVAL; in sctp_msghdr_parse()
8880 cmsgs->srinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8882 if (cmsgs->srinfo->sinfo_flags & in sctp_msghdr_parse()
8886 return -EINVAL; in sctp_msghdr_parse()
8898 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8901 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndinfo))) in sctp_msghdr_parse()
8902 return -EINVAL; in sctp_msghdr_parse()
8904 cmsgs->sinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8906 if (cmsgs->sinfo->snd_flags & in sctp_msghdr_parse()
8910 return -EINVAL; in sctp_msghdr_parse()
8914 * 5.3.7 SCTP PR-SCTP Information Structure (SCTP_PRINFO) in sctp_msghdr_parse()
8919 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8922 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_prinfo))) in sctp_msghdr_parse()
8923 return -EINVAL; in sctp_msghdr_parse()
8925 cmsgs->prinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8926 if (cmsgs->prinfo->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_msghdr_parse()
8927 return -EINVAL; in sctp_msghdr_parse()
8929 if (cmsgs->prinfo->pr_policy == SCTP_PR_SCTP_NONE) in sctp_msghdr_parse()
8930 cmsgs->prinfo->pr_value = 0; in sctp_msghdr_parse()
8939 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8942 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_authinfo))) in sctp_msghdr_parse()
8943 return -EINVAL; in sctp_msghdr_parse()
8945 cmsgs->authinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8955 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8957 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8960 cmsgs->addrs_msg = my_msg; in sctp_msghdr_parse()
8963 return -EINVAL; in sctp_msghdr_parse()
8987 if (!skb_queue_empty(&sk->sk_receive_queue)) in sctp_wait_for_packet()
8991 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_packet()
8997 error = -ENOTCONN; in sctp_wait_for_packet()
9000 if (list_empty(&sctp_sk(sk)->ep->asocs) && !sctp_sstate(sk, LISTENING)) in sctp_wait_for_packet()
9053 skb = skb_peek(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
9055 refcount_inc(&skb->users); in sctp_skb_recv_datagram()
9057 skb = __skb_dequeue(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
9063 /* Caller is allowed not to check sk->sk_err before calling. */ in sctp_skb_recv_datagram()
9068 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_skb_recv_datagram()
9073 error = -EAGAIN; in sctp_skb_recv_datagram()
9088 struct sock *sk = asoc->base.sk; in __sctp_write_space()
9093 if (waitqueue_active(&asoc->wait)) in __sctp_write_space()
9094 wake_up_interruptible(&asoc->wait); in __sctp_write_space()
9100 wq = rcu_dereference(sk->sk_wq); in __sctp_write_space()
9102 if (waitqueue_active(&wq->wait)) in __sctp_write_space()
9103 wake_up_interruptible(&wq->wait); in __sctp_write_space()
9109 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) in __sctp_write_space()
9124 if (asoc->ep->sndbuf_policy) in sctp_wake_up_waiters()
9130 if (asoc->base.dead) in sctp_wake_up_waiters()
9146 if (&tmp->asocs == &((sctp_sk(sk))->ep->asocs)) in sctp_wake_up_waiters()
9162 struct sctp_chunk *chunk = skb_shinfo(skb)->destructor_arg; in sctp_wfree()
9163 struct sctp_association *asoc = chunk->asoc; in sctp_wfree()
9164 struct sock *sk = asoc->base.sk; in sctp_wfree()
9166 sk_mem_uncharge(sk, skb->truesize); in sctp_wfree()
9167 sk_wmem_queued_add(sk, -(skb->truesize + sizeof(struct sctp_chunk))); in sctp_wfree()
9168 asoc->sndbuf_used -= skb->truesize + sizeof(struct sctp_chunk); in sctp_wfree()
9170 &sk->sk_wmem_alloc)); in sctp_wfree()
9172 if (chunk->shkey) { in sctp_wfree()
9173 struct sctp_shared_key *shkey = chunk->shkey; in sctp_wfree()
9179 if (shkey->deactivated && !list_empty(&shkey->key_list) && in sctp_wfree()
9180 refcount_read(&shkey->refcnt) == 2) { in sctp_wfree()
9183 ev = sctp_ulpevent_make_authkey(asoc, shkey->key_id, in sctp_wfree()
9187 asoc->stream.si->enqueue_event(&asoc->ulpq, ev); in sctp_wfree()
9189 sctp_auth_shkey_release(chunk->shkey); in sctp_wfree()
9205 struct sock *sk = skb->sk; in sctp_sock_rfree()
9208 atomic_sub(event->rmem_len, &sk->sk_rmem_alloc); in sctp_sock_rfree()
9213 sk_mem_uncharge(sk, event->rmem_len); in sctp_sock_rfree()
9222 struct sock *sk = asoc->base.sk; in sctp_wait_for_sndbuf()
9237 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_sndbuf()
9239 if (asoc->base.dead) in sctp_wait_for_sndbuf()
9241 if ((!*timeo_p) || (transport && transport->dead)) in sctp_wait_for_sndbuf()
9243 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING) in sctp_wait_for_sndbuf()
9257 if (sk != asoc->base.sk) in sctp_wait_for_sndbuf()
9264 finish_wait(&asoc->wait, &wait); in sctp_wait_for_sndbuf()
9274 err = -ESRCH; in sctp_wait_for_sndbuf()
9278 err = -EPIPE; in sctp_wait_for_sndbuf()
9286 err = -EAGAIN; in sctp_wait_for_sndbuf()
9297 wq = rcu_dereference(sk->sk_wq); in sctp_data_ready()
9299 wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | in sctp_data_ready()
9311 list_for_each_entry(asoc, &((sctp_sk(sk))->ep->asocs), asocs) { in sctp_write_space()
9319 * associations on the same socket. For a UDP-style socket with
9323 * would cause an unwanted block under certain circumstances. For the 1-1
9324 * UDP-style sockets or TCP-style sockets, this code should work.
9325 * - Daisy
9329 return READ_ONCE(sk->sk_sndbuf) > READ_ONCE(sk->sk_wmem_queued); in sctp_writeable()
9337 struct sock *sk = asoc->base.sk; in sctp_wait_for_connect()
9348 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_connect()
9352 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_connect()
9354 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING || in sctp_wait_for_connect()
9355 asoc->base.dead) in sctp_wait_for_connect()
9374 finish_wait(&asoc->wait, &wait); in sctp_wait_for_connect()
9382 if (asoc->init_err_counter + 1 > asoc->max_init_attempts) in sctp_wait_for_connect()
9383 err = -ETIMEDOUT; in sctp_wait_for_connect()
9385 err = -ECONNREFUSED; in sctp_wait_for_connect()
9393 err = -EINPROGRESS; in sctp_wait_for_connect()
9403 ep = sctp_sk(sk)->ep; in sctp_wait_for_accept()
9410 if (list_empty(&ep->asocs)) { in sctp_wait_for_accept()
9416 err = -EINVAL; in sctp_wait_for_accept()
9418 (sk->sk_shutdown & RCV_SHUTDOWN)) in sctp_wait_for_accept()
9422 if (!list_empty(&ep->asocs)) in sctp_wait_for_accept()
9429 err = -EAGAIN; in sctp_wait_for_accept()
9445 if (list_empty(&sctp_sk(sk)->ep->asocs)) in sctp_wait_for_close()
9459 if (!skb->data_len) in sctp_skb_set_owner_r_frag()
9475 struct sctp_sock *sp = sctp_sk(sk); in sctp_copy_sock() local
9477 newsk->sk_type = sk->sk_type; in sctp_copy_sock()
9478 newsk->sk_bound_dev_if = sk->sk_bound_dev_if; in sctp_copy_sock()
9479 newsk->sk_flags = sk->sk_flags; in sctp_copy_sock()
9480 newsk->sk_tsflags = sk->sk_tsflags; in sctp_copy_sock()
9481 newsk->sk_no_check_tx = sk->sk_no_check_tx; in sctp_copy_sock()
9482 newsk->sk_no_check_rx = sk->sk_no_check_rx; in sctp_copy_sock()
9483 newsk->sk_reuse = sk->sk_reuse; in sctp_copy_sock()
9484 sctp_sk(newsk)->reuse = sp->reuse; in sctp_copy_sock()
9486 newsk->sk_shutdown = sk->sk_shutdown; in sctp_copy_sock()
9487 newsk->sk_destruct = sk->sk_destruct; in sctp_copy_sock()
9488 newsk->sk_family = sk->sk_family; in sctp_copy_sock()
9489 newsk->sk_protocol = IPPROTO_SCTP; in sctp_copy_sock()
9490 newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv; in sctp_copy_sock()
9491 newsk->sk_sndbuf = sk->sk_sndbuf; in sctp_copy_sock()
9492 newsk->sk_rcvbuf = sk->sk_rcvbuf; in sctp_copy_sock()
9493 newsk->sk_lingertime = sk->sk_lingertime; in sctp_copy_sock()
9494 newsk->sk_rcvtimeo = sk->sk_rcvtimeo; in sctp_copy_sock()
9495 newsk->sk_sndtimeo = sk->sk_sndtimeo; in sctp_copy_sock()
9496 newsk->sk_rxhash = sk->sk_rxhash; in sctp_copy_sock()
9503 newinet->inet_sport = inet->inet_sport; in sctp_copy_sock()
9504 newinet->inet_saddr = inet->inet_saddr; in sctp_copy_sock()
9505 newinet->inet_rcv_saddr = inet->inet_rcv_saddr; in sctp_copy_sock()
9506 newinet->inet_dport = htons(asoc->peer.port); in sctp_copy_sock()
9507 newinet->pmtudisc = inet->pmtudisc; in sctp_copy_sock()
9508 atomic_set(&newinet->inet_id, get_random_u16()); in sctp_copy_sock()
9510 newinet->uc_ttl = inet->uc_ttl; in sctp_copy_sock()
9512 newinet->mc_ttl = 1; in sctp_copy_sock()
9513 newinet->mc_index = 0; in sctp_copy_sock()
9514 newinet->mc_list = NULL; in sctp_copy_sock()
9516 if (newsk->sk_flags & SK_FLAGS_TIMESTAMP) in sctp_copy_sock()
9530 ancestor_size += sk_from->sk_prot->obj_size; in sctp_copy_descendant()
9531 ancestor_size -= offsetof(struct sctp_sock, pd_lobby); in sctp_copy_descendant()
9545 struct sctp_endpoint *newep = newsp->ep; in sctp_sock_migrate()
9554 newsk->sk_sndbuf = oldsk->sk_sndbuf; in sctp_sock_migrate()
9555 newsk->sk_rcvbuf = oldsk->sk_rcvbuf; in sctp_sock_migrate()
9562 newsp->ep = newep; in sctp_sock_migrate()
9563 newsp->hmac = NULL; in sctp_sock_migrate()
9567 inet_sk(oldsk)->inet_num)]; in sctp_sock_migrate()
9568 spin_lock_bh(&head->lock); in sctp_sock_migrate()
9569 pp = sctp_sk(oldsk)->bind_hash; in sctp_sock_migrate()
9570 sk_add_bind_node(newsk, &pp->owner); in sctp_sock_migrate()
9571 sctp_sk(newsk)->bind_hash = pp; in sctp_sock_migrate()
9572 inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num; in sctp_sock_migrate()
9573 spin_unlock_bh(&head->lock); in sctp_sock_migrate()
9578 err = sctp_bind_addr_dup(&newsp->ep->base.bind_addr, in sctp_sock_migrate()
9579 &oldsp->ep->base.bind_addr, GFP_KERNEL); in sctp_sock_migrate()
9584 * that net->sctp.auth_enable has been changed to 0 by users and in sctp_sock_migrate()
9587 if (oldsp->ep->auth_hmacs) { in sctp_sock_migrate()
9588 err = sctp_auth_init_hmacs(newsp->ep, GFP_KERNEL); in sctp_sock_migrate()
9598 sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) { in sctp_sock_migrate()
9600 if (event->asoc == assoc) { in sctp_sock_migrate()
9601 __skb_unlink(skb, &oldsk->sk_receive_queue); in sctp_sock_migrate()
9602 __skb_queue_tail(&newsk->sk_receive_queue, skb); in sctp_sock_migrate()
9611 * 3) Peeling off non-partial delivery; move pd_lobby to receive_queue. in sctp_sock_migrate()
9613 atomic_set(&sctp_sk(newsk)->pd_mode, assoc->ulpq.pd_mode); in sctp_sock_migrate()
9615 if (atomic_read(&sctp_sk(oldsk)->pd_mode)) { in sctp_sock_migrate()
9619 if (assoc->ulpq.pd_mode) { in sctp_sock_migrate()
9620 queue = &newsp->pd_lobby; in sctp_sock_migrate()
9622 queue = &newsk->sk_receive_queue; in sctp_sock_migrate()
9627 sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) { in sctp_sock_migrate()
9629 if (event->asoc == assoc) { in sctp_sock_migrate()
9630 __skb_unlink(skb, &oldsp->pd_lobby); in sctp_sock_migrate()
9639 if (assoc->ulpq.pd_mode) in sctp_sock_migrate()
9647 * original UDP-style socket or created with the accept() call on a in sctp_sock_migrate()
9648 * TCP-style socket.. in sctp_sock_migrate()
9650 newsp->type = type; in sctp_sock_migrate()
9652 /* Mark the new socket "in-use" by the user so that any packets in sctp_sock_migrate()
9655 * backlog processing on the old socket and new-packet processing in sctp_sock_migrate()
9671 newsk->sk_shutdown |= RCV_SHUTDOWN; in sctp_sock_migrate()
9706 .usersize = offsetof(struct sctp_sock, initmsg) -
9734 sk->sk_destruct = sctp_v6_destruct_sock; in sctp_v6_init_sock()
9763 .usersize = offsetof(struct sctp6_sock, sctp.initmsg) -