diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c index 6fd136e077f8..8e7d709c29fb 100644 --- a/lib/libc/net/sctp_sys_calls.c +++ b/lib/libc/net/sctp_sys_calls.c @@ -356,6 +356,9 @@ sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t * size) case SCTP_PR_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; + case SCTP_RECONFIG_SUPPORTED: + ((struct sctp_assoc_value *)arg)->assoc_id = id; + break; case SCTP_NRSACK_SUPPORTED: ((struct sctp_assoc_value *)arg)->assoc_id = id; break; diff --git a/sys/netinet/sctp.h b/sys/netinet/sctp.h index da13caba72a6..324609ca5502 100644 --- a/sys/netinet/sctp.h +++ b/sys/netinet/sctp.h @@ -125,6 +125,7 @@ struct sctp_paramhdr { #define SCTP_PR_SUPPORTED 0x00000026 #define SCTP_NRSACK_SUPPORTED 0x00000027 #define SCTP_PKTDROP_SUPPORTED 0x00000028 +#define SCTP_RECONFIG_SUPPORTED 0x00000029 /* * read-only options diff --git a/sys/netinet/sctp_input.c b/sys/netinet/sctp_input.c index b7f533a60f9b..ba624ba93292 100644 --- a/sys/netinet/sctp_input.c +++ b/sys/netinet/sctp_input.c @@ -2787,6 +2787,7 @@ sctp_handle_cookie_echo(struct mbuf *m, int iphlen, int offset, 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->reconfig_supported = (*inp_p)->reconfig_supported; inp->nrsack_supported = (*inp_p)->nrsack_supported; inp->pktdrop_supported = (*inp_p)->pktdrop_supported; inp->partial_delivery_point = (*inp_p)->partial_delivery_point; @@ -5389,13 +5390,13 @@ __attribute__((noinline)) *offset = length; return (NULL); } - if (stcb->asoc.peer_supports_strreset == 0) { + if (stcb->asoc.reconfig_supported == 0) { /* * hmm, peer should have announced this, but * we will turn it on since he is sending us * a stream reset. */ - stcb->asoc.peer_supports_strreset = 1; + stcb->asoc.reconfig_supported = 1; } if (sctp_handle_stream_reset(stcb, m, *offset, ch)) { /* stop processing */ diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c index 6edabc14b560..5165f5f805c3 100644 --- a/sys/netinet/sctp_output.c +++ b/sys/netinet/sctp_output.c @@ -4820,7 +4820,9 @@ sctp_send_initiate(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int so_locked if (stcb->asoc.pktdrop_supported == 1) { pr_supported->chunk_types[num_ext++] = SCTP_PACKET_DROPPED; } - pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; + if (stcb->asoc.reconfig_supported == 1) { + pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; + } if (!SCTP_BASE_SYSCTL(sctp_auth_disable)) { pr_supported->chunk_types[num_ext++] = SCTP_AUTHENTICATION; } @@ -5926,7 +5928,10 @@ sctp_send_initiate_ack(struct sctp_inpcb *inp, struct sctp_tcb *stcb, ((asoc == NULL) && (inp->pktdrop_supported == 1))) { pr_supported->chunk_types[num_ext++] = SCTP_PACKET_DROPPED; } - pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; + if (((asoc != NULL) && (asoc->reconfig_supported == 1)) || + ((asoc == NULL) && (inp->reconfig_supported == 1))) { + pr_supported->chunk_types[num_ext++] = SCTP_STREAM_RESET; + } if (!SCTP_BASE_SYSCTL(sctp_auth_disable)) { pr_supported->chunk_types[num_ext++] = SCTP_AUTHENTICATION; } diff --git a/sys/netinet/sctp_pcb.c b/sys/netinet/sctp_pcb.c index 11f0793174fd..67ee1faf79ed 100644 --- a/sys/netinet/sctp_pcb.c +++ b/sys/netinet/sctp_pcb.c @@ -2485,6 +2485,7 @@ sctp_inpcb_alloc(struct socket *so, uint32_t vrf_id) 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); + inp->reconfig_supported = (uint8_t) SCTP_BASE_SYSCTL(sctp_reconfig_enable); inp->nrsack_supported = (uint8_t) SCTP_BASE_SYSCTL(sctp_nrsack_enable); inp->pktdrop_supported = (uint8_t) SCTP_BASE_SYSCTL(sctp_pktdrop_enable); /* init the small hash table we use to track asocid <-> tcb */ @@ -6086,6 +6087,7 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m, int got_random = 0, got_hmacs = 0, got_chklist = 0; uint8_t ecn_supported; uint8_t prsctp_supported; + uint8_t reconfig_supported; uint8_t nrsack_supported; uint8_t pktdrop_supported; @@ -6116,9 +6118,9 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m, } else { sa = src; } - /* Turn off ECN until we get through all params */ ecn_supported = 0; prsctp_supported = 0; + reconfig_supported = 0; nrsack_supported = 0; pktdrop_supported = 0; TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) { @@ -6458,7 +6460,6 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m, return (-25); } stcb->asoc.peer_supports_asconf = 0; - stcb->asoc.peer_supports_strreset = 0; stcb->asoc.peer_supports_auth = 0; pr_supported = (struct sctp_supported_chunk_types_param *)phdr; num_ent = plen - sizeof(struct sctp_paramhdr); @@ -6478,7 +6479,7 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m, nrsack_supported = 1; break; case SCTP_STREAM_RESET: - stcb->asoc.peer_supports_strreset = 1; + reconfig_supported = 1; break; case SCTP_AUTHENTICATION: stcb->asoc.peer_supports_auth = 1; @@ -6620,6 +6621,7 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m, } stcb->asoc.ecn_supported &= ecn_supported; stcb->asoc.prsctp_supported &= prsctp_supported; + stcb->asoc.reconfig_supported &= reconfig_supported; stcb->asoc.nrsack_supported &= nrsack_supported; stcb->asoc.pktdrop_supported &= pktdrop_supported; /* validate authentication required parameters */ diff --git a/sys/netinet/sctp_pcb.h b/sys/netinet/sctp_pcb.h index 30e35f843c8b..694148ad1261 100644 --- a/sys/netinet/sctp_pcb.h +++ b/sys/netinet/sctp_pcb.h @@ -408,6 +408,7 @@ struct sctp_inpcb { uint32_t sctp_cmt_on_off; uint8_t ecn_supported; uint8_t prsctp_supported; + uint8_t reconfig_supported; uint8_t nrsack_supported; uint8_t pktdrop_supported; struct sctp_nonpad_sndrcvinfo def_send; diff --git a/sys/netinet/sctp_peeloff.c b/sys/netinet/sctp_peeloff.c index 2aa691de2dde..ed4ef49145ba 100644 --- a/sys/netinet/sctp_peeloff.c +++ b/sys/netinet/sctp_peeloff.c @@ -120,6 +120,7 @@ sctp_do_peeloff(struct socket *head, struct socket *so, sctp_assoc_t assoc_id) 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->reconfig_supported = inp->reconfig_supported; n_inp->nrsack_supported = inp->nrsack_supported; n_inp->pktdrop_supported = inp->pktdrop_supported; n_inp->partial_delivery_point = inp->partial_delivery_point; diff --git a/sys/netinet/sctp_structs.h b/sys/netinet/sctp_structs.h index 29a9d89b979c..5c63f8509550 100644 --- a/sys/netinet/sctp_structs.h +++ b/sys/netinet/sctp_structs.h @@ -1153,6 +1153,7 @@ struct sctp_association { /* Flags whether an extension is supported or not */ uint8_t ecn_supported; uint8_t prsctp_supported; + uint8_t reconfig_supported; uint8_t nrsack_supported; uint8_t pktdrop_supported; @@ -1163,8 +1164,6 @@ struct sctp_association { uint8_t peer_supports_asconf; /* peer authentication support flag */ uint8_t peer_supports_auth; - /* stream resets are supported by the peer */ - uint8_t peer_supports_strreset; uint8_t local_strreset_support; uint8_t peer_supports_nat; diff --git a/sys/netinet/sctp_sysctl.c b/sys/netinet/sctp_sysctl.c index c27a3a87dd7c..8dfda5627fb9 100644 --- a/sys/netinet/sctp_sysctl.c +++ b/sys/netinet/sctp_sysctl.c @@ -55,6 +55,7 @@ sctp_init_sysctls() 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_reconfig_enable) = SCTPCTL_RECONFIG_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_nrsack_enable) = SCTPCTL_NRSACK_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_pktdrop_enable) = SCTPCTL_PKTDROP_ENABLE_DEFAULT; SCTP_BASE_SYSCTL(sctp_strict_sacks) = SCTPCTL_STRICT_SACKS_DEFAULT; @@ -602,6 +603,7 @@ sysctl_sctp_check(SYSCTL_HANDLER_ARGS) 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_reconfig_enable), SCTPCTL_RECONFIG_ENABLE_MIN, SCTPCTL_RECONFIG_ENABLE_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_nrsack_enable), SCTPCTL_NRSACK_ENABLE_MIN, SCTPCTL_NRSACK_ENABLE_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_pktdrop_enable), SCTPCTL_PKTDROP_ENABLE_MIN, SCTPCTL_PKTDROP_ENABLE_MAX); RANGECHK(SCTP_BASE_SYSCTL(sctp_strict_sacks), SCTPCTL_STRICT_SACKS_MIN, SCTPCTL_STRICT_SACKS_MAX); @@ -867,6 +869,10 @@ 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, reconfig_enable, CTLTYPE_UINT | CTLFLAG_RW, + &SCTP_BASE_SYSCTL(sctp_reconfig_enable), 0, sysctl_sctp_check, "IU", + SCTPCTL_RECONFIG_ENABLE_DESC); + SYSCTL_VNET_PROC(_net_inet_sctp, OID_AUTO, nrsack_enable, CTLTYPE_UINT | CTLFLAG_RW, &SCTP_BASE_SYSCTL(sctp_nrsack_enable), 0, sysctl_sctp_check, "IU", SCTPCTL_NRSACK_ENABLE_DESC); diff --git a/sys/netinet/sctp_sysctl.h b/sys/netinet/sctp_sysctl.h index 741d0316c253..bcf270f36c08 100644 --- a/sys/netinet/sctp_sysctl.h +++ b/sys/netinet/sctp_sysctl.h @@ -46,6 +46,7 @@ struct sctp_sysctl { uint32_t sctp_multiple_asconfs; uint32_t sctp_ecn_enable; uint32_t sctp_pr_enable; + uint32_t sctp_reconfig_enable; uint32_t sctp_nrsack_enable; uint32_t sctp_pktdrop_enable; uint32_t sctp_fr_max_burst_default; @@ -161,8 +162,14 @@ struct sctp_sysctl { #define SCTPCTL_PR_ENABLE_MAX 1 #define SCTPCTL_PR_ENABLE_DEFAULT 1 +/* reconfig_enable: Enable SCTP RE-CONFIG */ +#define SCTPCTL_RECONFIG_ENABLE_DESC "Enable SCTP RE-CONFIG" +#define SCTPCTL_RECONFIG_ENABLE_MIN 0 +#define SCTPCTL_RECONFIG_ENABLE_MAX 1 +#define SCTPCTL_RECONFIG_ENABLE_DEFAULT 1 + /* nrsack_enable: Enable NR_SACK */ -#define SCTPCTL_NRSACK_ENABLE_DESC "Enable NR_SACK" +#define SCTPCTL_NRSACK_ENABLE_DESC "Enable SCTP NR-SACK" #define SCTPCTL_NRSACK_ENABLE_MIN 0 #define SCTPCTL_NRSACK_ENABLE_MAX 1 #define SCTPCTL_NRSACK_ENABLE_DEFAULT 0 diff --git a/sys/netinet/sctp_usrreq.c b/sys/netinet/sctp_usrreq.c index 7f2e6ee1e98b..01f5376c9a3e 100644 --- a/sys/netinet/sctp_usrreq.c +++ b/sys/netinet/sctp_usrreq.c @@ -3348,6 +3348,33 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize, } break; } + case SCTP_RECONFIG_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.reconfig_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->reconfig_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_NRSACK_SUPPORTED: { struct sctp_assoc_value *av; @@ -4274,7 +4301,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, error = ENOENT; break; } - if (stcb->asoc.peer_supports_strreset == 0) { + if (stcb->asoc.reconfig_supported == 0) { /* * Peer does not support the chunk type. */ @@ -4341,7 +4368,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, error = ENOENT; break; } - if (stcb->asoc.peer_supports_strreset == 0) { + if (stcb->asoc.reconfig_supported == 0) { /* * Peer does not support the chunk type. */ @@ -4410,7 +4437,7 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, error = ENOENT; break; } - if (stcb->asoc.peer_supports_strreset == 0) { + if (stcb->asoc.reconfig_supported == 0) { /* * Peer does not support the chunk type. */ @@ -6023,6 +6050,35 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize, } break; } + case SCTP_RECONFIG_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->reconfig_supported = 0; + } else { + inp->reconfig_supported = 1; + } + SCTP_INP_WUNLOCK(inp); + } else { + SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); + error = EINVAL; + } + } + break; + } case SCTP_NRSACK_SUPPORTED: { struct sctp_assoc_value *av; diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c index 1c831772fe48..8c2ec4864f30 100644 --- a/sys/netinet/sctputil.c +++ b/sys/netinet/sctputil.c @@ -906,6 +906,7 @@ sctp_init_asoc(struct sctp_inpcb *inp, struct sctp_tcb *stcb, asoc->sctp_cmt_on_off = inp->sctp_cmt_on_off; asoc->ecn_supported = inp->ecn_supported; asoc->prsctp_supported = inp->prsctp_supported; + asoc->reconfig_supported = inp->reconfig_supported; asoc->nrsack_supported = inp->nrsack_supported; asoc->pktdrop_supported = inp->pktdrop_supported; asoc->sctp_cmt_pf = (uint8_t) 0; @@ -2631,7 +2632,7 @@ sctp_notify_assoc_change(uint16_t state, struct sctp_tcb *stcb, sac->sac_info[i++] = SCTP_ASSOC_SUPPORTS_ASCONF; } sac->sac_info[i++] = SCTP_ASSOC_SUPPORTS_MULTIBUF; - if (stcb->asoc.peer_supports_strreset) { + if (stcb->asoc.reconfig_supported) { sac->sac_info[i++] = SCTP_ASSOC_SUPPORTS_RE_CONFIG; } sac->sac_length += i;