Date: Sat, 2 Aug 2014 21:36:41 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r269448 - in head: lib/libc/net sys/netinet Message-ID: <201408022136.s72LafXl093551@svn.freebsd.org>
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Author: tuexen Date: Sat Aug 2 21:36:40 2014 New Revision: 269448 URL: http://svnweb.freebsd.org/changeset/base/269448 Log: Add support for the SCTP_PR_SUPPORTED socket option as specified in http://tools.ietf.org/html/draft-ietf-tsvwg-sctp-prpolicies Add also a sysctl controlling the default of the end-points. MFC after: 1 week Modified: head/lib/libc/net/sctp_sys_calls.c head/sys/netinet/sctp.h head/sys/netinet/sctp_indata.c head/sys/netinet/sctp_input.c head/sys/netinet/sctp_output.c head/sys/netinet/sctp_pcb.c head/sys/netinet/sctp_pcb.h head/sys/netinet/sctp_peeloff.c head/sys/netinet/sctp_structs.h head/sys/netinet/sctp_sysctl.c head/sys/netinet/sctp_sysctl.h head/sys/netinet/sctp_timer.c head/sys/netinet/sctp_usrreq.c head/sys/netinet/sctputil.c Modified: head/lib/libc/net/sctp_sys_calls.c ============================================================================== --- head/lib/libc/net/sctp_sys_calls.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/lib/libc/net/sctp_sys_calls.c Sat Aug 2 21:36:40 2014 (r269448) @@ -353,6 +353,9 @@ sctp_opt_info(int sd, sctp_assoc_t id, i case SCTP_ECN_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; + case SCTP_PR_SUPPORTED: + ((struct sctp_assoc_value *)arg)->assoc_id = id; + break; case SCTP_MAX_BURST: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; Modified: head/sys/netinet/sctp.h ============================================================================== --- head/sys/netinet/sctp.h Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp.h Sat Aug 2 21:36:40 2014 (r269448) @@ -122,6 +122,7 @@ struct sctp_paramhdr { #define SCTP_PEER_ADDR_THLDS 0x00000023 #define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 #define SCTP_ECN_SUPPORTED 0x00000025 +#define SCTP_PR_SUPPORTED 0x00000026 /* * read-only options Modified: head/sys/netinet/sctp_indata.c ============================================================================== --- head/sys/netinet/sctp_indata.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_indata.c Sat Aug 2 21:36:40 2014 (r269448) @@ -2960,7 +2960,7 @@ sctp_strike_gap_ack_chunks(struct sctp_t num_dests_sacked++; } } - if (stcb->asoc.peer_supports_prsctp) { + if (stcb->asoc.prsctp_supported) { (void)SCTP_GETTIME_TIMEVAL(&now); } TAILQ_FOREACH(tp1, &asoc->sent_queue, sctp_next) { @@ -2981,7 +2981,7 @@ sctp_strike_gap_ack_chunks(struct sctp_t /* done */ break; } - if (stcb->asoc.peer_supports_prsctp) { + if (stcb->asoc.prsctp_supported) { if ((PR_SCTP_TTL_ENABLED(tp1->flags)) && tp1->sent < SCTP_DATAGRAM_ACKED) { /* Is it expired? */ if (timevalcmp(&now, &tp1->rec.data.timetodrop, >)) { @@ -3235,7 +3235,7 @@ sctp_strike_gap_ack_chunks(struct sctp_t /* remove from the total flight */ sctp_total_flight_decrease(stcb, tp1); - if ((stcb->asoc.peer_supports_prsctp) && + if ((stcb->asoc.prsctp_supported) && (PR_SCTP_RTX_ENABLED(tp1->flags))) { /* * Has it been retransmitted tv_sec times? - @@ -3380,7 +3380,7 @@ sctp_try_advance_peer_ack_point(struct s struct timeval now; int now_filled = 0; - if (asoc->peer_supports_prsctp == 0) { + if (asoc->prsctp_supported == 0) { return (NULL); } TAILQ_FOREACH_SAFE(tp1, &asoc->sent_queue, sctp_next, tp2) { @@ -4042,7 +4042,7 @@ again: asoc->advanced_peer_ack_point = cumack; } /* PR-Sctp issues need to be addressed too */ - if ((asoc->peer_supports_prsctp) && (asoc->pr_sctp_cnt > 0)) { + if ((asoc->prsctp_supported) && (asoc->pr_sctp_cnt > 0)) { struct sctp_tmit_chunk *lchk; uint32_t old_adv_peer_ack_point; @@ -4479,7 +4479,7 @@ sctp_handle_sack(struct mbuf *m, int off sctp_free_bufspace(stcb, asoc, tp1, 1); sctp_m_freem(tp1->data); tp1->data = NULL; - if (asoc->peer_supports_prsctp && PR_SCTP_BUF_ENABLED(tp1->flags)) { + if (asoc->prsctp_supported && PR_SCTP_BUF_ENABLED(tp1->flags)) { asoc->sent_queue_cnt_removeable--; } } @@ -4891,7 +4891,7 @@ again: asoc->advanced_peer_ack_point = cum_ack; } /* C2. try to further move advancedPeerAckPoint ahead */ - if ((asoc->peer_supports_prsctp) && (asoc->pr_sctp_cnt > 0)) { + if ((asoc->prsctp_supported) && (asoc->pr_sctp_cnt > 0)) { struct sctp_tmit_chunk *lchk; uint32_t old_adv_peer_ack_point; Modified: head/sys/netinet/sctp_input.c ============================================================================== --- head/sys/netinet/sctp_input.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_input.c Sat Aug 2 21:36:40 2014 (r269448) @@ -1082,7 +1082,7 @@ sctp_process_unrecog_chunk(struct sctp_t sctp_asconf_cleanup(stcb, net); break; case SCTP_FORWARD_CUM_TSN: - stcb->asoc.peer_supports_prsctp = 0; + stcb->asoc.prsctp_supported = 0; break; default: SCTPDBG(SCTP_DEBUG_INPUT2, @@ -1106,7 +1106,7 @@ sctp_process_unrecog_param(struct sctp_t switch (ntohs(pbad->param_type)) { /* pr-sctp draft */ case SCTP_PRSCTP_SUPPORTED: - stcb->asoc.peer_supports_prsctp = 0; + stcb->asoc.prsctp_supported = 0; break; case SCTP_SUPPORTED_CHUNK_EXT: break; @@ -2786,6 +2786,7 @@ sctp_handle_cookie_echo(struct mbuf *m, inp->sctp_frag_point = (*inp_p)->sctp_frag_point; inp->sctp_cmt_on_off = (*inp_p)->sctp_cmt_on_off; inp->ecn_supported = (*inp_p)->ecn_supported; + inp->prsctp_supported = (*inp_p)->prsctp_supported; inp->partial_delivery_point = (*inp_p)->partial_delivery_point; inp->sctp_context = (*inp_p)->sctp_context; inp->local_strreset_support = (*inp_p)->local_strreset_support; Modified: head/sys/netinet/sctp_output.c ============================================================================== --- head/sys/netinet/sctp_output.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_output.c Sat Aug 2 21:36:40 2014 (r269448) @@ -4792,13 +4792,14 @@ sctp_send_initiate(struct sctp_inpcb *in ph->param_length = htons(parameter_len); chunk_len += parameter_len; } - /* And now tell the peer we do support PR-SCTP. */ - parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); - ph = (struct sctp_paramhdr *)(mtod(m, caddr_t)+chunk_len); - ph->param_type = htons(SCTP_PRSCTP_SUPPORTED); - ph->param_length = htons(parameter_len); - chunk_len += parameter_len; - + /* PR-SCTP supported parameter */ + if (stcb->asoc.prsctp_supported == 1) { + parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); + ph = (struct sctp_paramhdr *)(mtod(m, caddr_t)+chunk_len); + ph->param_type = htons(SCTP_PRSCTP_SUPPORTED); + ph->param_length = htons(parameter_len); + chunk_len += parameter_len; + } /* Add NAT friendly parameter. */ if (SCTP_BASE_SYSCTL(sctp_inits_include_nat_friendly)) { parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); @@ -4813,7 +4814,9 @@ sctp_send_initiate(struct sctp_inpcb *in pr_supported->ph.param_type = htons(SCTP_SUPPORTED_CHUNK_EXT); pr_supported->chunk_types[num_ext++] = SCTP_ASCONF; pr_supported->chunk_types[num_ext++] = SCTP_ASCONF_ACK; - pr_supported->chunk_types[num_ext++] = SCTP_FORWARD_CUM_TSN; + if (stcb->asoc.prsctp_supported == 1) { + pr_supported->chunk_types[num_ext++] = SCTP_FORWARD_CUM_TSN; + } pr_supported->chunk_types[num_ext++] = SCTP_PACKET_DROPPED; pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; if (!SCTP_BASE_SYSCTL(sctp_auth_disable)) { @@ -5890,13 +5893,15 @@ do_a_abort: ph->param_length = htons(parameter_len); chunk_len += parameter_len; } - /* And now tell the peer we do pr-sctp */ - parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); - ph = (struct sctp_paramhdr *)(mtod(m, caddr_t)+chunk_len); - ph->param_type = htons(SCTP_PRSCTP_SUPPORTED); - ph->param_length = htons(parameter_len); - chunk_len += parameter_len; - + /* PR-SCTP supported parameter */ + if (((asoc != NULL) && (asoc->prsctp_supported == 1)) || + ((asoc == NULL) && (inp->prsctp_supported == 1))) { + parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); + ph = (struct sctp_paramhdr *)(mtod(m, caddr_t)+chunk_len); + ph->param_type = htons(SCTP_PRSCTP_SUPPORTED); + ph->param_length = htons(parameter_len); + chunk_len += parameter_len; + } /* Add NAT friendly parameter */ if (nat_friendly) { parameter_len = (uint16_t) sizeof(struct sctp_paramhdr); @@ -5911,7 +5916,10 @@ do_a_abort: pr_supported->ph.param_type = htons(SCTP_SUPPORTED_CHUNK_EXT); pr_supported->chunk_types[num_ext++] = SCTP_ASCONF; pr_supported->chunk_types[num_ext++] = SCTP_ASCONF_ACK; - pr_supported->chunk_types[num_ext++] = SCTP_FORWARD_CUM_TSN; + if (((asoc != NULL) && (asoc->prsctp_supported == 1)) || + ((asoc == NULL) && (inp->prsctp_supported == 1))) { + pr_supported->chunk_types[num_ext++] = SCTP_FORWARD_CUM_TSN; + } pr_supported->chunk_types[num_ext++] = SCTP_PACKET_DROPPED; pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; if (!SCTP_BASE_SYSCTL(sctp_auth_disable)) { @@ -6093,7 +6101,7 @@ sctp_prune_prsctp(struct sctp_tcb *stcb, struct sctp_tmit_chunk *chk, *nchk; SCTP_TCB_LOCK_ASSERT(stcb); - if ((asoc->peer_supports_prsctp) && + if ((asoc->prsctp_supported) && (asoc->sent_queue_cnt_removeable > 0)) { TAILQ_FOREACH(chk, &asoc->sent_queue, sctp_next) { /* @@ -12948,7 +12956,7 @@ skip_preblock: continue; } /* PR-SCTP? */ - if ((asoc->peer_supports_prsctp) && (asoc->sent_queue_cnt_removeable > 0)) { + if ((asoc->prsctp_supported) && (asoc->sent_queue_cnt_removeable > 0)) { /* * This is ugly but we must assure locking * order Modified: head/sys/netinet/sctp_pcb.c ============================================================================== --- head/sys/netinet/sctp_pcb.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_pcb.c Sat Aug 2 21:36:40 2014 (r269448) @@ -2484,6 +2484,7 @@ sctp_inpcb_alloc(struct socket *so, uint inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT; inp->sctp_cmt_on_off = SCTP_BASE_SYSCTL(sctp_cmt_on_off); inp->ecn_supported = (uint8_t) SCTP_BASE_SYSCTL(sctp_ecn_enable); + inp->prsctp_supported = (uint8_t) SCTP_BASE_SYSCTL(sctp_pr_enable); /* init the small hash table we use to track asocid <-> tcb */ inp->sctp_asocidhash = SCTP_HASH_INIT(SCTP_STACK_VTAG_HASH_SIZE, &inp->hashasocidmark); if (inp->sctp_asocidhash == NULL) { @@ -6082,6 +6083,7 @@ sctp_load_addresses_from_init(struct sct uint32_t keylen; int got_random = 0, got_hmacs = 0, got_chklist = 0; uint8_t ecn_supported; + uint8_t prsctp_supported; #ifdef INET struct sockaddr_in sin; @@ -6112,6 +6114,7 @@ sctp_load_addresses_from_init(struct sct } /* Turn off ECN until we get through all params */ ecn_supported = 0; + prsctp_supported = 0; TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { /* mark all addresses that we have currently on the list */ net->dest_state |= SCTP_ADDR_NOT_IN_ASSOC; @@ -6436,7 +6439,7 @@ sctp_load_addresses_from_init(struct sct stcb->asoc.peer_supports_nat = 1; } else if (ptype == SCTP_PRSCTP_SUPPORTED) { /* Peer supports pr-sctp */ - stcb->asoc.peer_supports_prsctp = 1; + prsctp_supported = 1; } else if (ptype == SCTP_SUPPORTED_CHUNK_EXT) { /* A supported extension chunk */ struct sctp_supported_chunk_types_param *pr_supported; @@ -6449,7 +6452,6 @@ sctp_load_addresses_from_init(struct sct return (-25); } stcb->asoc.peer_supports_asconf = 0; - stcb->asoc.peer_supports_prsctp = 0; stcb->asoc.peer_supports_pktdrop = 0; stcb->asoc.peer_supports_strreset = 0; stcb->asoc.peer_supports_nr_sack = 0; @@ -6463,7 +6465,7 @@ sctp_load_addresses_from_init(struct sct stcb->asoc.peer_supports_asconf = 1; break; case SCTP_FORWARD_CUM_TSN: - stcb->asoc.peer_supports_prsctp = 1; + prsctp_supported = 1; break; case SCTP_PACKET_DROPPED: stcb->asoc.peer_supports_pktdrop = 1; @@ -6613,6 +6615,7 @@ next_param: } } stcb->asoc.ecn_supported &= ecn_supported; + stcb->asoc.prsctp_supported &= prsctp_supported; /* validate authentication required parameters */ if (got_random && got_hmacs) { stcb->asoc.peer_supports_auth = 1; Modified: head/sys/netinet/sctp_pcb.h ============================================================================== --- head/sys/netinet/sctp_pcb.h Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_pcb.h Sat Aug 2 21:36:40 2014 (r269448) @@ -407,6 +407,7 @@ struct sctp_inpcb { uint8_t local_strreset_support; uint32_t sctp_cmt_on_off; uint8_t ecn_supported; + uint8_t prsctp_supported; struct sctp_nonpad_sndrcvinfo def_send; /*- * These three are here for the sosend_dgram Modified: head/sys/netinet/sctp_peeloff.c ============================================================================== --- head/sys/netinet/sctp_peeloff.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_peeloff.c Sat Aug 2 21:36:40 2014 (r269448) @@ -119,6 +119,7 @@ sctp_do_peeloff(struct socket *head, str n_inp->sctp_frag_point = inp->sctp_frag_point; n_inp->sctp_cmt_on_off = inp->sctp_cmt_on_off; n_inp->ecn_supported = inp->ecn_supported; + n_inp->prsctp_supported = inp->prsctp_supported; n_inp->partial_delivery_point = inp->partial_delivery_point; n_inp->sctp_context = inp->sctp_context; n_inp->local_strreset_support = inp->local_strreset_support; Modified: head/sys/netinet/sctp_structs.h ============================================================================== --- head/sys/netinet/sctp_structs.h Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_structs.h Sat Aug 2 21:36:40 2014 (r269448) @@ -1150,8 +1150,9 @@ struct sctp_association { * sum is updated as well. */ - /* Flag to tell if ECN is allowed */ + /* Flags whether an extension is supported or not */ uint8_t ecn_supported; + uint8_t prsctp_supported; /* Did the peer make the stream config (add out) request */ uint8_t peer_req_out; @@ -1160,8 +1161,6 @@ struct sctp_association { uint8_t peer_supports_asconf; /* EY - flag to indicate if peer can do nr_sack */ uint8_t peer_supports_nr_sack; - /* pr-sctp support flag */ - uint8_t peer_supports_prsctp; /* peer authentication support flag */ uint8_t peer_supports_auth; /* stream resets are supported by the peer */ Modified: head/sys/netinet/sctp_sysctl.c ============================================================================== --- head/sys/netinet/sctp_sysctl.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_sysctl.c Sat Aug 2 21:36:40 2014 (r269448) @@ -54,6 +54,7 @@ sctp_init_sysctls() SCTP_BASE_SYSCTL(sctp_auto_asconf) = SCTPCTL_AUTOASCONF_DEFAULT; SCTP_BASE_SYSCTL(sctp_multiple_asconfs) = SCTPCTL_MULTIPLEASCONFS_DEFAULT; SCTP_BASE_SYSCTL(sctp_ecn_enable) = SCTPCTL_ECN_ENABLE_DEFAULT; + SCTP_BASE_SYSCTL(sctp_pr_enable) = SCTPCTL_PR_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; SCTP_BASE_SYSCTL(sctp_peer_chunk_oh) = SCTPCTL_PEER_CHKOH_DEFAULT; SCTP_BASE_SYSCTL(sctp_max_burst_default) = SCTPCTL_MAXBURST_DEFAULT; @@ -600,6 +601,7 @@ sysctl_sctp_check(SYSCTL_HANDLER_ARGS) RANGECHK(SCTP_BASE_SYSCTL(sctp_recvspace), SCTPCTL_RECVSPACE_MIN, SCTPCTL_RECVSPACE_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_auto_asconf), SCTPCTL_AUTOASCONF_MIN, SCTPCTL_AUTOASCONF_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_ecn_enable), SCTPCTL_ECN_ENABLE_MIN, SCTPCTL_ECN_ENABLE_MAX); + RANGECHK(SCTP_BASE_SYSCTL(sctp_pr_enable), SCTPCTL_PR_ENABLE_MIN, SCTPCTL_PR_ENABLE_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_peer_chunk_oh), SCTPCTL_PEER_CHKOH_MIN, SCTPCTL_PEER_CHKOH_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_max_burst_default), SCTPCTL_MAXBURST_MIN, SCTPCTL_MAXBURST_MAX); @@ -861,6 +863,10 @@ SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUT &SCTP_BASE_SYSCTL(sctp_ecn_enable), 0, sysctl_sctp_check, "IU", SCTPCTL_ECN_ENABLE_DESC); +SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, pr_enable, CTLTYPE_UINT | CTLFLAG_RW, + &SCTP_BASE_SYSCTL(sctp_pr_enable), 0, sysctl_sctp_check, "IU", + SCTPCTL_PR_ENABLE_DESC); + SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, strict_sacks, CTLTYPE_UINT | CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_strict_sacks), 0, sysctl_sctp_check, "IU", SCTPCTL_STRICT_SACKS_DESC); Modified: head/sys/netinet/sctp_sysctl.h ============================================================================== --- head/sys/netinet/sctp_sysctl.h Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_sysctl.h Sat Aug 2 21:36:40 2014 (r269448) @@ -45,6 +45,7 @@ struct sctp_sysctl { uint32_t sctp_auto_asconf; uint32_t sctp_multiple_asconfs; uint32_t sctp_ecn_enable; + uint32_t sctp_pr_enable; uint32_t sctp_fr_max_burst_default; uint32_t sctp_strict_sacks; uint32_t sctp_peer_chunk_oh; @@ -154,6 +155,12 @@ struct sctp_sysctl { #define SCTPCTL_ECN_ENABLE_MAX 1 #define SCTPCTL_ECN_ENABLE_DEFAULT 1 +/* pr_enable: Enable PR-SCTP */ +#define SCTPCTL_PR_ENABLE_DESC "Enable PR-SCTP" +#define SCTPCTL_PR_ENABLE_MIN 0 +#define SCTPCTL_PR_ENABLE_MAX 1 +#define SCTPCTL_PR_ENABLE_DEFAULT 1 + /* strict_sacks: Enable SCTP Strict SACK checking */ #define SCTPCTL_STRICT_SACKS_DESC "Enable SCTP Strict SACK checking" #define SCTPCTL_STRICT_SACKS_MIN 0 Modified: head/sys/netinet/sctp_timer.c ============================================================================== --- head/sys/netinet/sctp_timer.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_timer.c Sat Aug 2 21:36:40 2014 (r269448) @@ -445,7 +445,7 @@ sctp_recover_sent_list(struct sctp_tcb * sctp_free_bufspace(stcb, asoc, chk, 1); sctp_m_freem(chk->data); chk->data = NULL; - if (asoc->peer_supports_prsctp && PR_SCTP_BUF_ENABLED(chk->flags)) { + if (asoc->prsctp_supported && PR_SCTP_BUF_ENABLED(chk->flags)) { asoc->sent_queue_cnt_removeable--; } } @@ -600,7 +600,7 @@ start_again: continue; } } - if (stcb->asoc.peer_supports_prsctp && PR_SCTP_TTL_ENABLED(chk->flags)) { + if (stcb->asoc.prsctp_supported && PR_SCTP_TTL_ENABLED(chk->flags)) { /* Is it expired? */ if (timevalcmp(&now, &chk->rec.data.timetodrop, >)) { /* Yes so drop it */ @@ -614,7 +614,7 @@ start_again: continue; } } - if (stcb->asoc.peer_supports_prsctp && PR_SCTP_RTX_ENABLED(chk->flags)) { + if (stcb->asoc.prsctp_supported && PR_SCTP_RTX_ENABLED(chk->flags)) { /* Has it been retransmitted tv_sec times? */ if (chk->snd_count > chk->rec.data.timetodrop.tv_sec) { if (chk->data) { @@ -957,7 +957,7 @@ sctp_t3rxt_timer(struct sctp_inpcb *inp, sctp_timer_start(SCTP_TIMER_TYPE_SEND, inp, stcb, net); return (0); } - if (stcb->asoc.peer_supports_prsctp) { + if (stcb->asoc.prsctp_supported) { struct sctp_tmit_chunk *lchk; lchk = sctp_try_advance_peer_ack_point(stcb, &stcb->asoc); Modified: head/sys/netinet/sctp_usrreq.c ============================================================================== --- head/sys/netinet/sctp_usrreq.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctp_usrreq.c Sat Aug 2 21:36:40 2014 (r269448) @@ -3321,6 +3321,33 @@ flags_out: } break; } + case SCTP_PR_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + av->assoc_value = stcb->asoc.prsctp_supported; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + (av->assoc_id == SCTP_FUTURE_ASSOC)) { + SCTP_INP_RLOCK(inp); + av->assoc_value = inp->prsctp_supported; + SCTP_INP_RUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + if (error == 0) { + *optsize = sizeof(struct sctp_assoc_value); + } + break; + } case SCTP_ENABLE_STREAM_RESET: { struct sctp_assoc_value *av; @@ -5913,6 +5940,35 @@ sctp_setopt(struct socket *so, int optna } break; } + case SCTP_PR_SUPPORTED: + { + struct sctp_assoc_value *av; + + SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize); + SCTP_FIND_STCB(inp, stcb, av->assoc_id); + + if (stcb) { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + SCTP_TCB_UNLOCK(stcb); + } else { + if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || + (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || + (av->assoc_id == SCTP_FUTURE_ASSOC)) { + SCTP_INP_WLOCK(inp); + if (av->assoc_value == 0) { + inp->prsctp_supported = 0; + } else { + inp->prsctp_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } default: SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT); error = ENOPROTOOPT; Modified: head/sys/netinet/sctputil.c ============================================================================== --- head/sys/netinet/sctputil.c Sat Aug 2 21:01:58 2014 (r269447) +++ head/sys/netinet/sctputil.c Sat Aug 2 21:36:40 2014 (r269448) @@ -905,6 +905,7 @@ sctp_init_asoc(struct sctp_inpcb *inp, s asoc->cookie_life = inp->sctp_ep.def_cookie_life; asoc->sctp_cmt_on_off = inp->sctp_cmt_on_off; asoc->ecn_supported = inp->ecn_supported; + asoc->prsctp_supported = inp->prsctp_supported; asoc->sctp_nr_sack_on_off = (uint8_t) SCTP_BASE_SYSCTL(sctp_nr_sack_on_off); asoc->sctp_cmt_pf = (uint8_t) 0; asoc->sctp_frag_point = inp->sctp_frag_point; @@ -2620,7 +2621,7 @@ sctp_notify_assoc_change(uint16_t state, if (notif_len > sizeof(struct sctp_assoc_change)) { if ((state == SCTP_COMM_UP) || (state == SCTP_RESTART)) { i = 0; - if (stcb->asoc.peer_supports_prsctp) { + if (stcb->asoc.prsctp_supported) { sac->sac_info[i++] = SCTP_ASSOC_SUPPORTS_PR; } if (stcb->asoc.peer_supports_auth) {
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