17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 545916cd2Sjpk * Common Development and Distribution License (the "License"). 645916cd2Sjpk * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 2177c67f2fSkcpoon 227c478bd9Sstevel@tonic-gate /* 23c513743fSGeorge Shepherd * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _INET_SCTP_SCTP_IMPL_H 287c478bd9Sstevel@tonic-gate #define _INET_SCTP_SCTP_IMPL_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/inttypes.h> 317c478bd9Sstevel@tonic-gate #include <sys/taskq.h> 327c478bd9Sstevel@tonic-gate #include <sys/list.h> 337c478bd9Sstevel@tonic-gate #include <sys/strsun.h> 3445916cd2Sjpk #include <sys/zone.h> 357c478bd9Sstevel@tonic-gate #include <netinet/ip6.h> 367c478bd9Sstevel@tonic-gate #include <inet/optcom.h> 377c478bd9Sstevel@tonic-gate #include <netinet/sctp.h> 387c478bd9Sstevel@tonic-gate #include <inet/sctp_itf.h> 39f4b3ec61Sdh #include "sctp_stack.h" 40f4b3ec61Sdh 41f4b3ec61Sdh #ifdef __cplusplus 42f4b3ec61Sdh extern "C" { 43f4b3ec61Sdh #endif 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* Streams device identifying info and version */ 467c478bd9Sstevel@tonic-gate #define SCTP_DEV_IDINFO "SCTP Streams device 1.0" 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #define SSN_GT(a, b) ((int16_t)((a)-(b)) > 0) 497c478bd9Sstevel@tonic-gate #define SSN_GE(a, b) ((int16_t)((a)-(b)) >= 0) 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate /* Default buffer size and flow control wake up threshold. */ 527c478bd9Sstevel@tonic-gate #define SCTP_XMIT_LOWATER 8192 537c478bd9Sstevel@tonic-gate #define SCTP_XMIT_HIWATER 102400 547c478bd9Sstevel@tonic-gate #define SCTP_RECV_LOWATER 8192 557c478bd9Sstevel@tonic-gate #define SCTP_RECV_HIWATER 102400 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* SCTP Timer control structure */ 587c478bd9Sstevel@tonic-gate typedef struct sctpt_s { 597c478bd9Sstevel@tonic-gate pfv_t sctpt_pfv; /* The routine we are to call */ 607c478bd9Sstevel@tonic-gate struct sctp_s *sctpt_sctp; /* The parameter we are to pass in */ 617c478bd9Sstevel@tonic-gate struct sctp_faddr_s *sctpt_faddr; 627c478bd9Sstevel@tonic-gate } sctpt_t; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* 657c478bd9Sstevel@tonic-gate * Maximum number of duplicate TSNs we can report. This is currently 667c478bd9Sstevel@tonic-gate * static, and governs the size of the mblk used to hold the duplicate 677c478bd9Sstevel@tonic-gate * reports. The use of duplcate TSN reports is currently experimental, 687c478bd9Sstevel@tonic-gate * so for now a static limit should suffice. 697c478bd9Sstevel@tonic-gate */ 707c478bd9Sstevel@tonic-gate #define SCTP_DUP_MBLK_SZ 64 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #define SCTP_IS_ADDR_UNSPEC(isv4, addr) \ 737c478bd9Sstevel@tonic-gate ((isv4) ? IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) : \ 747c478bd9Sstevel@tonic-gate IN6_IS_ADDR_UNSPECIFIED(&(addr))) 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate /* 777c478bd9Sstevel@tonic-gate * SCTP parameters 787c478bd9Sstevel@tonic-gate */ 797c478bd9Sstevel@tonic-gate /* Named Dispatch Parameter Management Structure */ 807c478bd9Sstevel@tonic-gate typedef struct sctpparam_s { 817c478bd9Sstevel@tonic-gate uint32_t sctp_param_min; 827c478bd9Sstevel@tonic-gate uint32_t sctp_param_max; 837c478bd9Sstevel@tonic-gate uint32_t sctp_param_val; 847c478bd9Sstevel@tonic-gate char *sctp_param_name; 857c478bd9Sstevel@tonic-gate } sctpparam_t; 867c478bd9Sstevel@tonic-gate 87f4b3ec61Sdh #define sctps_max_init_retr sctps_params[0].sctp_param_val 88f4b3ec61Sdh #define sctps_max_init_retr_high sctps_params[0].sctp_param_max 89f4b3ec61Sdh #define sctps_max_init_retr_low sctps_params[0].sctp_param_min 90f4b3ec61Sdh #define sctps_pa_max_retr sctps_params[1].sctp_param_val 91f4b3ec61Sdh #define sctps_pa_max_retr_high sctps_params[1].sctp_param_max 92f4b3ec61Sdh #define sctps_pa_max_retr_low sctps_params[1].sctp_param_min 93f4b3ec61Sdh #define sctps_pp_max_retr sctps_params[2].sctp_param_val 94f4b3ec61Sdh #define sctps_pp_max_retr_high sctps_params[2].sctp_param_max 95f4b3ec61Sdh #define sctps_pp_max_retr_low sctps_params[2].sctp_param_min 96f4b3ec61Sdh #define sctps_cwnd_max_ sctps_params[3].sctp_param_val 97f4b3ec61Sdh #define __sctps_not_used1 sctps_params[4].sctp_param_val 98f4b3ec61Sdh #define sctps_smallest_nonpriv_port sctps_params[5].sctp_param_val 99f4b3ec61Sdh #define sctps_ipv4_ttl sctps_params[6].sctp_param_val 100f4b3ec61Sdh #define sctps_heartbeat_interval sctps_params[7].sctp_param_val 101f4b3ec61Sdh #define sctps_heartbeat_interval_high sctps_params[7].sctp_param_max 102f4b3ec61Sdh #define sctps_heartbeat_interval_low sctps_params[7].sctp_param_min 103f4b3ec61Sdh #define sctps_initial_mtu sctps_params[8].sctp_param_val 104f4b3ec61Sdh #define sctps_mtu_probe_interval sctps_params[9].sctp_param_val 105f4b3ec61Sdh #define sctps_new_secret_interval sctps_params[10].sctp_param_val 106f4b3ec61Sdh #define sctps_deferred_ack_interval sctps_params[11].sctp_param_val 107f4b3ec61Sdh #define sctps_snd_lowat_fraction sctps_params[12].sctp_param_val 108f4b3ec61Sdh #define sctps_ignore_path_mtu sctps_params[13].sctp_param_val 109f4b3ec61Sdh #define sctps_initial_ssthresh sctps_params[14].sctp_param_val 110f4b3ec61Sdh #define sctps_smallest_anon_port sctps_params[15].sctp_param_val 111f4b3ec61Sdh #define sctps_largest_anon_port sctps_params[16].sctp_param_val 112f4b3ec61Sdh #define sctps_xmit_hiwat sctps_params[17].sctp_param_val 113f4b3ec61Sdh #define sctps_xmit_lowat sctps_params[18].sctp_param_val 114f4b3ec61Sdh #define sctps_recv_hiwat sctps_params[19].sctp_param_val 115f4b3ec61Sdh #define sctps_max_buf sctps_params[20].sctp_param_val 116f4b3ec61Sdh #define sctps_rtt_updates sctps_params[21].sctp_param_val 117f4b3ec61Sdh #define sctps_ipv6_hoplimit sctps_params[22].sctp_param_val 118f4b3ec61Sdh #define sctps_rto_ming sctps_params[23].sctp_param_val 119f4b3ec61Sdh #define sctps_rto_ming_high sctps_params[23].sctp_param_max 120f4b3ec61Sdh #define sctps_rto_ming_low sctps_params[23].sctp_param_min 121f4b3ec61Sdh #define sctps_rto_maxg sctps_params[24].sctp_param_val 122f4b3ec61Sdh #define sctps_rto_maxg_high sctps_params[24].sctp_param_max 123f4b3ec61Sdh #define sctps_rto_maxg_low sctps_params[24].sctp_param_min 124f4b3ec61Sdh #define sctps_rto_initialg sctps_params[25].sctp_param_val 125f4b3ec61Sdh #define sctps_rto_initialg_high sctps_params[25].sctp_param_max 126f4b3ec61Sdh #define sctps_rto_initialg_low sctps_params[25].sctp_param_min 127f4b3ec61Sdh #define sctps_cookie_life sctps_params[26].sctp_param_val 128f4b3ec61Sdh #define sctps_cookie_life_high sctps_params[26].sctp_param_max 129f4b3ec61Sdh #define sctps_cookie_life_low sctps_params[26].sctp_param_min 130f4b3ec61Sdh #define sctps_max_in_streams sctps_params[27].sctp_param_val 131f4b3ec61Sdh #define sctps_max_in_streams_high sctps_params[27].sctp_param_max 132f4b3ec61Sdh #define sctps_max_in_streams_low sctps_params[27].sctp_param_min 133f4b3ec61Sdh #define sctps_initial_out_streams sctps_params[28].sctp_param_val 134f4b3ec61Sdh #define sctps_initial_out_streams_high sctps_params[28].sctp_param_max 135f4b3ec61Sdh #define sctps_initial_out_streams_low sctps_params[28].sctp_param_min 136f4b3ec61Sdh #define sctps_shutack_wait_bound sctps_params[29].sctp_param_val 137f4b3ec61Sdh #define sctps_maxburst sctps_params[30].sctp_param_val 138f4b3ec61Sdh #define sctps_addip_enabled sctps_params[31].sctp_param_val 139f4b3ec61Sdh #define sctps_recv_hiwat_minmss sctps_params[32].sctp_param_val 140f4b3ec61Sdh #define sctps_slow_start_initial sctps_params[33].sctp_param_val 141f4b3ec61Sdh #define sctps_slow_start_after_idle sctps_params[34].sctp_param_val 142f4b3ec61Sdh #define sctps_prsctp_enabled sctps_params[35].sctp_param_val 143f4b3ec61Sdh #define sctps_fast_rxt_thresh sctps_params[36].sctp_param_val 144f4b3ec61Sdh #define sctps_deferred_acks_max sctps_params[37].sctp_param_val 145f4b3ec61Sdh 1467c478bd9Sstevel@tonic-gate /* 1477c478bd9Sstevel@tonic-gate * sctp_wroff_xtra is the extra space in front of SCTP/IP header for link 1487c478bd9Sstevel@tonic-gate * layer header. It has to be a multiple of 4. 1497c478bd9Sstevel@tonic-gate */ 150f4b3ec61Sdh #define sctps_wroff_xtra sctps_wroff_xtra_param->sctp_param_val 1517c478bd9Sstevel@tonic-gate 15277c67f2fSkcpoon /* 15377c67f2fSkcpoon * Retransmission timer start and stop macro for a given faddr. 15477c67f2fSkcpoon */ 15577c67f2fSkcpoon #define SCTP_FADDR_TIMER_RESTART(sctp, fp, intvl) \ 15677c67f2fSkcpoon { \ 15777c67f2fSkcpoon dprint(3, ("faddr_timer_restart: fp=%p %x:%x:%x:%x %d\n", \ 15877c67f2fSkcpoon (void *)(fp), SCTP_PRINTADDR((fp)->faddr), (int)(intvl))); \ 15977c67f2fSkcpoon sctp_timer((sctp), (fp)->timer_mp, (intvl)); \ 16077c67f2fSkcpoon (fp)->timer_running = 1; \ 16177c67f2fSkcpoon } 16277c67f2fSkcpoon 16377c67f2fSkcpoon #define SCTP_FADDR_TIMER_STOP(fp) \ 16477c67f2fSkcpoon ASSERT((fp)->timer_mp != NULL); \ 16577c67f2fSkcpoon if ((fp)->timer_running) { \ 16677c67f2fSkcpoon sctp_timer_stop((fp)->timer_mp); \ 16777c67f2fSkcpoon (fp)->timer_running = 0; \ 16877c67f2fSkcpoon } 16977c67f2fSkcpoon 1709f13099eSGeorge Shepherd /* For per endpoint association statistics */ 1719f13099eSGeorge Shepherd #define SCTP_MAX_RTO(sctp, fp) { \ 1729f13099eSGeorge Shepherd /* \ 1739f13099eSGeorge Shepherd * Record the maximum observed RTO, \ 1749f13099eSGeorge Shepherd * sctp_maxrto is zeroed elsewhere \ 1759f13099eSGeorge Shepherd * at the end of each stats request. \ 1769f13099eSGeorge Shepherd */ \ 1779f13099eSGeorge Shepherd (sctp)->sctp_maxrto = \ 1789f13099eSGeorge Shepherd MAX((sctp)->sctp_maxrto, (fp)->rto); \ 1799f13099eSGeorge Shepherd DTRACE_PROBE2(sctp__maxrto, sctp_t *, \ 1809f13099eSGeorge Shepherd sctp, struct sctp_faddr_s, fp); \ 1819f13099eSGeorge Shepherd } 1829f13099eSGeorge Shepherd 1839f13099eSGeorge Shepherd #define SCTP_CALC_RXT(sctp, fp) \ 1849f13099eSGeorge Shepherd { \ 1859f13099eSGeorge Shepherd if (((fp)->rto <<= 1) > (sctp)->sctp_rto_max) \ 1869f13099eSGeorge Shepherd (fp)->rto = (sctp)->sctp_rto_max; \ 1879f13099eSGeorge Shepherd SCTP_MAX_RTO(sctp, fp); \ 18877c67f2fSkcpoon } 18977c67f2fSkcpoon 19077c67f2fSkcpoon 1917c478bd9Sstevel@tonic-gate #define SCTP_MAX_COMBINED_HEADER_LENGTH (60 + 12) /* Maxed out ip + sctp */ 1927c478bd9Sstevel@tonic-gate #define SCTP_MAX_IP_OPTIONS_LENGTH (60 - IP_SIMPLE_HDR_LENGTH) 1937c478bd9Sstevel@tonic-gate #define SCTP_MAX_HDR_LENGTH 60 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate #define SCTP_SECRET_LEN 16 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate #define SCTP_REFHOLD(sctp) { \ 1987c478bd9Sstevel@tonic-gate mutex_enter(&(sctp)->sctp_reflock); \ 1997c478bd9Sstevel@tonic-gate (sctp)->sctp_refcnt++; \ 2007c478bd9Sstevel@tonic-gate ASSERT((sctp)->sctp_refcnt != 0); \ 2017c478bd9Sstevel@tonic-gate mutex_exit(&(sctp)->sctp_reflock); \ 2027c478bd9Sstevel@tonic-gate } 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate #define SCTP_REFRELE(sctp) { \ 2057c478bd9Sstevel@tonic-gate mutex_enter(&(sctp)->sctp_reflock); \ 2067c478bd9Sstevel@tonic-gate ASSERT((sctp)->sctp_refcnt != 0); \ 2077c478bd9Sstevel@tonic-gate if (--(sctp)->sctp_refcnt == 0) { \ 2087c478bd9Sstevel@tonic-gate mutex_exit(&(sctp)->sctp_reflock); \ 2097c478bd9Sstevel@tonic-gate CONN_DEC_REF((sctp)->sctp_connp); \ 2107c478bd9Sstevel@tonic-gate } else { \ 2117c478bd9Sstevel@tonic-gate mutex_exit(&(sctp)->sctp_reflock); \ 2127c478bd9Sstevel@tonic-gate } \ 2137c478bd9Sstevel@tonic-gate } 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate #define SCTP_PRINTADDR(a) (a).s6_addr32[0], (a).s6_addr32[1],\ 2167c478bd9Sstevel@tonic-gate (a).s6_addr32[2], (a).s6_addr32[3] 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate #define CONN2SCTP(conn) ((sctp_t *)(&((conn_t *)conn)[1])) 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate /* 2217c478bd9Sstevel@tonic-gate * Outbound data, flags and macros for per-message, per-chunk info 2227c478bd9Sstevel@tonic-gate */ 2237c478bd9Sstevel@tonic-gate typedef struct { 2247c478bd9Sstevel@tonic-gate int64_t smh_ttl; /* Time to Live */ 2257c478bd9Sstevel@tonic-gate int64_t smh_tob; /* Time of Birth */ 2267c478bd9Sstevel@tonic-gate uint32_t smh_context; 2277c478bd9Sstevel@tonic-gate uint16_t smh_sid; 2287c478bd9Sstevel@tonic-gate uint16_t smh_ssn; 2297c478bd9Sstevel@tonic-gate uint32_t smh_ppid; 2307c478bd9Sstevel@tonic-gate uint16_t smh_flags; 2317c478bd9Sstevel@tonic-gate uint32_t smh_msglen; 2327c478bd9Sstevel@tonic-gate } sctp_msg_hdr_t; 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_FLAG_SENT 0x01 2357c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_FLAG_REXMIT 0x02 2367c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_FLAG_ACKED 0x04 2377c478bd9Sstevel@tonic-gate #define SCTP_MSG_FLAG_CHUNKED 0x08 2387c478bd9Sstevel@tonic-gate #define SCTP_MSG_FLAG_ABANDONED 0x10 2397c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_FLAG_ABANDONED 0x20 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_CLEAR_FLAGS(mp) ((mp)->b_flag = 0) 2427c478bd9Sstevel@tonic-gate /* 2437c478bd9Sstevel@tonic-gate * If we are transmitting the chunk for the first time we assign the TSN and 2447c478bd9Sstevel@tonic-gate * SSN here. The reason we assign the SSN here (as opposed to doing it in 2457c478bd9Sstevel@tonic-gate * sctp_chunkify()) is that the chunk may expire, if PRSCTP is enabled, before 2467c478bd9Sstevel@tonic-gate * we get a chance to send it out. If we assign the SSN in sctp_chunkify() 2477c478bd9Sstevel@tonic-gate * and this happens, then we need to send a Forward TSN to the peer, which 2487c478bd9Sstevel@tonic-gate * will be expecting this SSN, assuming ordered. If we assign it here we 2497c478bd9Sstevel@tonic-gate * can just take out the chunk from the transmit list without having to 2507c478bd9Sstevel@tonic-gate * send a Forward TSN chunk. While assigning the SSN we use (meta)->b_cont 2517c478bd9Sstevel@tonic-gate * to determine if it needs a new SSN (i.e. the next SSN for the stream), 2527c478bd9Sstevel@tonic-gate * since (meta)->b_cont signifies the first chunk of a message (if the message 2537c478bd9Sstevel@tonic-gate * is unordered, then the SSN is 0). 2547c478bd9Sstevel@tonic-gate * 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_SENT(sctp, mp, sdc, fp, chunkdata, meta) { \ 2577c478bd9Sstevel@tonic-gate if (!SCTP_CHUNK_ISSENT(mp)) { \ 2587c478bd9Sstevel@tonic-gate sctp_msg_hdr_t *mhdr = (sctp_msg_hdr_t *)(meta)->b_rptr; \ 2597c478bd9Sstevel@tonic-gate ASSERT(!SCTP_CHUNK_ABANDONED(mp)); \ 2607c478bd9Sstevel@tonic-gate (mp)->b_flag = SCTP_CHUNK_FLAG_SENT; \ 2617c478bd9Sstevel@tonic-gate (sdc)->sdh_tsn = htonl((sctp)->sctp_ltsn++); \ 2627c478bd9Sstevel@tonic-gate if ((mhdr)->smh_flags & MSG_UNORDERED) { \ 2637c478bd9Sstevel@tonic-gate (sdc)->sdh_ssn = 0; \ 2647c478bd9Sstevel@tonic-gate SCTP_DATA_SET_UBIT(sdc); \ 2657c478bd9Sstevel@tonic-gate BUMP_LOCAL((sctp)->sctp_oudchunks); \ 2667c478bd9Sstevel@tonic-gate } else { \ 2677c478bd9Sstevel@tonic-gate BUMP_LOCAL((sctp)->sctp_odchunks); \ 2687c478bd9Sstevel@tonic-gate if ((mp) == (meta)->b_cont) { \ 2697c478bd9Sstevel@tonic-gate mhdr->smh_ssn = htons( \ 2707c478bd9Sstevel@tonic-gate (sctp)->sctp_ostrcntrs[mhdr->smh_sid]++); \ 2717c478bd9Sstevel@tonic-gate } \ 2727c478bd9Sstevel@tonic-gate (sdc)->sdh_ssn = mhdr->smh_ssn; \ 2737c478bd9Sstevel@tonic-gate } \ 2747c478bd9Sstevel@tonic-gate (sctp)->sctp_unacked += (chunkdata); \ 2757c478bd9Sstevel@tonic-gate (sctp)->sctp_unsent -= (chunkdata); \ 2767c478bd9Sstevel@tonic-gate (sctp)->sctp_frwnd -= (chunkdata); \ 2777c478bd9Sstevel@tonic-gate } else { \ 2787c478bd9Sstevel@tonic-gate if (SCTP_CHUNK_ISACKED(mp)) { \ 2797c478bd9Sstevel@tonic-gate (sctp)->sctp_unacked += (chunkdata); \ 2807c478bd9Sstevel@tonic-gate } else { \ 2817c478bd9Sstevel@tonic-gate ASSERT(SCTP_CHUNK_DEST(mp)->suna >= ((chunkdata) + \ 2827c478bd9Sstevel@tonic-gate sizeof (*sdc))); \ 2837c478bd9Sstevel@tonic-gate SCTP_CHUNK_DEST(mp)->suna -= ((chunkdata) + \ 2847c478bd9Sstevel@tonic-gate sizeof (*sdc)); \ 2857c478bd9Sstevel@tonic-gate } \ 2867c478bd9Sstevel@tonic-gate (mp)->b_flag &= ~(SCTP_CHUNK_FLAG_REXMIT | \ 2877c478bd9Sstevel@tonic-gate SCTP_CHUNK_FLAG_ACKED); \ 2887c478bd9Sstevel@tonic-gate SCTP_CHUNK_SET_SACKCNT(mp, 0); \ 2897c478bd9Sstevel@tonic-gate BUMP_LOCAL(sctp->sctp_rxtchunks); \ 2907c478bd9Sstevel@tonic-gate BUMP_LOCAL((sctp)->sctp_T3expire); \ 2917c478bd9Sstevel@tonic-gate BUMP_LOCAL((fp)->T3expire); \ 2927c478bd9Sstevel@tonic-gate } \ 2937c478bd9Sstevel@tonic-gate SCTP_SET_CHUNK_DEST(mp, fp); \ 2947c478bd9Sstevel@tonic-gate (fp)->suna += ((chunkdata) + sizeof (*sdc)); \ 2957c478bd9Sstevel@tonic-gate } 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_ISSENT(mp) ((mp)->b_flag & SCTP_CHUNK_FLAG_SENT) 2987c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_CANSEND(mp) \ 2997c478bd9Sstevel@tonic-gate (!(SCTP_CHUNK_ABANDONED(mp)) && \ 3007c478bd9Sstevel@tonic-gate (((mp)->b_flag & (SCTP_CHUNK_FLAG_REXMIT|SCTP_CHUNK_FLAG_SENT)) != \ 3017c478bd9Sstevel@tonic-gate SCTP_CHUNK_FLAG_SENT)) 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_DEST(mp) ((sctp_faddr_t *)(mp)->b_queue) 3047c478bd9Sstevel@tonic-gate #define SCTP_SET_CHUNK_DEST(mp, fp) ((mp)->b_queue = (queue_t *)fp) 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_REXMIT(mp) ((mp)->b_flag |= SCTP_CHUNK_FLAG_REXMIT) 3077c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_CLEAR_REXMIT(mp) ((mp)->b_flag &= ~SCTP_CHUNK_FLAG_REXMIT) 3087c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_WANT_REXMIT(mp) ((mp)->b_flag & SCTP_CHUNK_FLAG_REXMIT) 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_ACKED(mp) \ 3117c478bd9Sstevel@tonic-gate ((mp)->b_flag = (SCTP_CHUNK_FLAG_SENT|SCTP_CHUNK_FLAG_ACKED)) 3127c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_ISACKED(mp) ((mp)->b_flag & SCTP_CHUNK_FLAG_ACKED) 3137c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_CLEAR_ACKED(mp) ((mp)->b_flag &= ~SCTP_CHUNK_FLAG_ACKED) 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_SACKCNT(mp) ((intptr_t)((mp)->b_prev)) 3167c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_SET_SACKCNT(mp, val) ((mp)->b_prev = \ 3177c478bd9Sstevel@tonic-gate (mblk_t *)(uintptr_t)(val)) 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate #define SCTP_MSG_SET_CHUNKED(mp) ((mp)->b_flag |= SCTP_MSG_FLAG_CHUNKED) 3207c478bd9Sstevel@tonic-gate #define SCTP_MSG_CLEAR_CHUNKED(mp)((mp)->b_flag &= ~SCTP_MSG_FLAG_CHUNKED) 3217c478bd9Sstevel@tonic-gate #define SCTP_IS_MSG_CHUNKED(mp) ((mp)->b_flag & SCTP_MSG_FLAG_CHUNKED) 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate /* For PR-SCTP */ 3247c478bd9Sstevel@tonic-gate #define SCTP_ABANDON_CHUNK(mp) ((mp)->b_flag |= SCTP_CHUNK_FLAG_ABANDONED) 3257c478bd9Sstevel@tonic-gate #define SCTP_CHUNK_ABANDONED(mp) \ 3267c478bd9Sstevel@tonic-gate ((mp)->b_flag & SCTP_CHUNK_FLAG_ABANDONED) 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate #define SCTP_MSG_SET_ABANDONED(mp) \ 3297c478bd9Sstevel@tonic-gate ((mp)->b_flag |= SCTP_MSG_FLAG_ABANDONED) 3307c478bd9Sstevel@tonic-gate #define SCTP_MSG_CLEAR_ABANDONED(mp)((mp)->b_flag &= ~SCTP_MSG_FLAG_ABANDONED) 3317c478bd9Sstevel@tonic-gate #define SCTP_IS_MSG_ABANDONED(mp) ((mp)->b_flag & SCTP_MSG_FLAG_ABANDONED) 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate /* 3347c478bd9Sstevel@tonic-gate * Check if a message has expired. A message is expired if 3357c478bd9Sstevel@tonic-gate * 1. It has a non-zero time to live value and has not been sent before 3367c478bd9Sstevel@tonic-gate * that time expires. 3377c478bd9Sstevel@tonic-gate * 2. It is sent using PRSCTP and it has not been SACK'ed before 3387c478bd9Sstevel@tonic-gate * its lifetime expires. 3397c478bd9Sstevel@tonic-gate */ 3407c478bd9Sstevel@tonic-gate #define SCTP_MSG_TO_BE_ABANDONED(meta, mhdr, sctp) \ 3417c478bd9Sstevel@tonic-gate (((!SCTP_CHUNK_ISSENT((meta)->b_cont) && (mhdr)->smh_ttl > 0) || \ 3427c478bd9Sstevel@tonic-gate ((sctp)->sctp_prsctp_aware && ((mhdr)->smh_flags & MSG_PR_SCTP))) && \ 343*d3d50737SRafael Vanoni ((ddi_get_lbolt64() - (mhdr)->smh_tob) > (mhdr)->smh_ttl)) 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate /* SCTP association hash function. */ 346f4b3ec61Sdh #define SCTP_CONN_HASH(sctps, ports) \ 347f4b3ec61Sdh ((((ports) ^ ((ports) >> 16)) * 31) & \ 348f4b3ec61Sdh ((sctps)->sctps_conn_hash_size - 1)) 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate /* 3517c478bd9Sstevel@tonic-gate * Bind hash array size and hash function. The size must be a power 3527c478bd9Sstevel@tonic-gate * of 2 and lport must be in host byte order. 3537c478bd9Sstevel@tonic-gate */ 3547c478bd9Sstevel@tonic-gate #define SCTP_BIND_FANOUT_SIZE 2048 3557c478bd9Sstevel@tonic-gate #define SCTP_BIND_HASH(lport) (((lport) * 31) & (SCTP_BIND_FANOUT_SIZE - 1)) 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate /* options that SCTP negotiates during association establishment */ 3587c478bd9Sstevel@tonic-gate #define SCTP_PRSCTP_OPTION 0x01 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate /* 3617c478bd9Sstevel@tonic-gate * Listener hash array size and hash function. The size must be a power 3627c478bd9Sstevel@tonic-gate * of 2 and lport must be in host byte order. 3637c478bd9Sstevel@tonic-gate */ 3647c478bd9Sstevel@tonic-gate #define SCTP_LISTEN_FANOUT_SIZE 512 3657c478bd9Sstevel@tonic-gate #define SCTP_LISTEN_HASH(lport) (((lport) * 31) & (SCTP_LISTEN_FANOUT_SIZE - 1)) 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate typedef struct sctp_tf_s { 3687c478bd9Sstevel@tonic-gate struct sctp_s *tf_sctp; 3697c478bd9Sstevel@tonic-gate kmutex_t tf_lock; 3707c478bd9Sstevel@tonic-gate } sctp_tf_t; 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate /* Round up the value to the nearest mss. */ 3737c478bd9Sstevel@tonic-gate #define MSS_ROUNDUP(value, mss) ((((value) - 1) / (mss) + 1) * (mss)) 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate extern sin_t sctp_sin_null; /* Zero address for quick clears */ 3767c478bd9Sstevel@tonic-gate extern sin6_t sctp_sin6_null; /* Zero address for quick clears */ 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate #define SCTP_IS_DETACHED(sctp) ((sctp)->sctp_detached) 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* Data structure used to track received TSNs */ 3817c478bd9Sstevel@tonic-gate typedef struct sctp_set_s { 3827c478bd9Sstevel@tonic-gate struct sctp_set_s *next; 3837c478bd9Sstevel@tonic-gate struct sctp_set_s *prev; 3847c478bd9Sstevel@tonic-gate uint32_t begin; 3857c478bd9Sstevel@tonic-gate uint32_t end; 3867c478bd9Sstevel@tonic-gate } sctp_set_t; 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate /* Data structure used to track TSNs for PR-SCTP */ 3897c478bd9Sstevel@tonic-gate typedef struct sctp_ftsn_set_s { 3907c478bd9Sstevel@tonic-gate struct sctp_ftsn_set_s *next; 3917c478bd9Sstevel@tonic-gate ftsn_entry_t ftsn_entries; 3927c478bd9Sstevel@tonic-gate } sctp_ftsn_set_t; 3937c478bd9Sstevel@tonic-gate 3947c478bd9Sstevel@tonic-gate /* Data structure used to track incoming SCTP streams */ 3957c478bd9Sstevel@tonic-gate typedef struct sctp_instr_s { 3967c478bd9Sstevel@tonic-gate mblk_t *istr_msgs; 3977c478bd9Sstevel@tonic-gate int istr_nmsgs; 3987c478bd9Sstevel@tonic-gate uint16_t nextseq; 3997c478bd9Sstevel@tonic-gate struct sctp_s *sctp; 4007c478bd9Sstevel@tonic-gate mblk_t *istr_reass; 4017c478bd9Sstevel@tonic-gate } sctp_instr_t; 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate /* Reassembly data structure (per-stream) */ 4047c478bd9Sstevel@tonic-gate typedef struct sctp_reass_s { 4057c478bd9Sstevel@tonic-gate uint16_t ssn; 4067c478bd9Sstevel@tonic-gate uint16_t needed; 4077c478bd9Sstevel@tonic-gate uint16_t got; 4087d546a59Svi uint16_t msglen; /* len of consecutive fragments */ 4097d546a59Svi /* from the begining (B-bit) */ 4107c478bd9Sstevel@tonic-gate mblk_t *tail; 4117d546a59Svi boolean_t hasBchunk; /* If the fragment list begins with */ 4127d546a59Svi /* a B-bit set chunk */ 4137d546a59Svi uint32_t nexttsn; /* TSN of the next fragment we */ 4147d546a59Svi /* are expecting */ 4157c478bd9Sstevel@tonic-gate boolean_t partial_delivered; 4167c478bd9Sstevel@tonic-gate } sctp_reass_t; 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate /* debugging */ 4197c478bd9Sstevel@tonic-gate #undef dprint 42045916cd2Sjpk #ifdef DEBUG 4217c478bd9Sstevel@tonic-gate extern int sctpdebug; 4227c478bd9Sstevel@tonic-gate #define dprint(level, args) { if (sctpdebug > (level)) printf args; } 42345916cd2Sjpk #else 4247c478bd9Sstevel@tonic-gate #define dprint(level, args) {} 42545916cd2Sjpk #endif 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate /* Peer address tracking */ 4297c478bd9Sstevel@tonic-gate 4307c478bd9Sstevel@tonic-gate /* 4317c478bd9Sstevel@tonic-gate * States for peer addresses 4327c478bd9Sstevel@tonic-gate * 4337c478bd9Sstevel@tonic-gate * SCTP_FADDRS_UNCONFIRMED: we have not communicated with this peer address 4347c478bd9Sstevel@tonic-gate * before, mark it as unconfirmed so that we will not send data to it. 4357c478bd9Sstevel@tonic-gate * All addresses initially are in unconfirmed state and required 4367c478bd9Sstevel@tonic-gate * validation. SCTP sends a heartbeat to each of them and when it gets 4377c478bd9Sstevel@tonic-gate * back a heartbeat ACK, the address will be marked as alive. This 4387c478bd9Sstevel@tonic-gate * validation fixes a security issue with multihoming. If an attacker 4397c478bd9Sstevel@tonic-gate * establishes an association with us and tells us that it has addresses 4407c478bd9Sstevel@tonic-gate * belonging to another host A, this will prevent A from communicating 4417c478bd9Sstevel@tonic-gate * with us. This is fixed by peer address validation. In the above case, 4427c478bd9Sstevel@tonic-gate * A will respond with an abort. 4437c478bd9Sstevel@tonic-gate * 4447c478bd9Sstevel@tonic-gate * SCTP_FADDRS_ALIVE: this peer address is alive and we can communicate with 4457c478bd9Sstevel@tonic-gate * it with no problem. 4467c478bd9Sstevel@tonic-gate * 4477c478bd9Sstevel@tonic-gate * SCTP_FADDRS_DOWN: we have exceeded the retransmission limit to this 4487c478bd9Sstevel@tonic-gate * peer address. Once an address is marked down, we will only send 4497c478bd9Sstevel@tonic-gate * a heartbeat to it every hb_interval in case it becomes alive now. 4507c478bd9Sstevel@tonic-gate * 4517c478bd9Sstevel@tonic-gate * SCTP_FADDRS_UNREACH: there is no suitable source address to send to 4527c478bd9Sstevel@tonic-gate * this peer address. For example, the peer address is v6 but we only 4537c478bd9Sstevel@tonic-gate * have v4 addresses. It is marked unreachable until there is an 4547c478bd9Sstevel@tonic-gate * address configuration change. At that time, mark these addresses 4557c478bd9Sstevel@tonic-gate * as unconfirmed and try again to see if those unreachable addresses 4567c478bd9Sstevel@tonic-gate * are OK as we may have more source addresses. 4577c478bd9Sstevel@tonic-gate */ 4587c478bd9Sstevel@tonic-gate typedef enum { 4597c478bd9Sstevel@tonic-gate SCTP_FADDRS_UNREACH, 4607c478bd9Sstevel@tonic-gate SCTP_FADDRS_DOWN, 4617c478bd9Sstevel@tonic-gate SCTP_FADDRS_ALIVE, 4627c478bd9Sstevel@tonic-gate SCTP_FADDRS_UNCONFIRMED 4637c478bd9Sstevel@tonic-gate } faddr_state_t; 4647c478bd9Sstevel@tonic-gate 4657c478bd9Sstevel@tonic-gate typedef struct sctp_faddr_s { 4667c478bd9Sstevel@tonic-gate struct sctp_faddr_s *next; 4677c478bd9Sstevel@tonic-gate faddr_state_t state; 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate in6_addr_t faddr; 4707c478bd9Sstevel@tonic-gate in6_addr_t saddr; 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate int64_t hb_expiry; /* time to retransmit heartbeat */ 4737c478bd9Sstevel@tonic-gate uint32_t hb_interval; /* the heartbeat interval */ 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate int rto; /* RTO in tick */ 4767c478bd9Sstevel@tonic-gate int srtt; /* Smoothed RTT in tick */ 4777c478bd9Sstevel@tonic-gate int rttvar; /* RTT variance in tick */ 4787c478bd9Sstevel@tonic-gate uint32_t rtt_updates; 4797c478bd9Sstevel@tonic-gate int strikes; 4807c478bd9Sstevel@tonic-gate int max_retr; 4817c478bd9Sstevel@tonic-gate uint32_t sfa_pmss; 4827c478bd9Sstevel@tonic-gate uint32_t cwnd; 4837c478bd9Sstevel@tonic-gate uint32_t ssthresh; 4847c478bd9Sstevel@tonic-gate uint32_t suna; /* sent - unack'ed */ 4857c478bd9Sstevel@tonic-gate uint32_t pba; /* partial bytes acked */ 4867c478bd9Sstevel@tonic-gate uint32_t acked; 4877c478bd9Sstevel@tonic-gate int64_t lastactive; 4887c478bd9Sstevel@tonic-gate mblk_t *timer_mp; /* retransmission timer control */ 4897c478bd9Sstevel@tonic-gate uint32_t 4907c478bd9Sstevel@tonic-gate hb_pending : 1, 4917c478bd9Sstevel@tonic-gate timer_running : 1, 4927c478bd9Sstevel@tonic-gate df : 1, 4937c478bd9Sstevel@tonic-gate pmtu_discovered : 1, 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate rc_timer_running : 1, 496c31292eeSkcpoon isv4 : 1, 497c31292eeSkcpoon hb_enabled : 1; 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate mblk_t *rc_timer_mp; /* reliable control chunk timer */ 500bd670b35SErik Nordmark ip_xmit_attr_t *ixa; /* Transmit attributes */ 5017c478bd9Sstevel@tonic-gate uint32_t T3expire; /* # of times T3 timer expired */ 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate uint64_t hb_secret; /* per addr "secret" in heartbeat */ 50412f47623Skcpoon uint32_t rxt_unacked; /* # unack'ed retransmitted bytes */ 5057c478bd9Sstevel@tonic-gate } sctp_faddr_t; 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* Flags to indicate supported address type in the PARM_SUP_ADDRS. */ 5087c478bd9Sstevel@tonic-gate #define PARM_SUPP_V6 0x1 5097c478bd9Sstevel@tonic-gate #define PARM_SUPP_V4 0x2 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate /* 5127c478bd9Sstevel@tonic-gate * Set heartbeat interval plus jitter. The jitter is supposed to be random, 5137c478bd9Sstevel@tonic-gate * up to +/- 50% of the RTO. We use gethrtime() here for performance reason 5147c478bd9Sstevel@tonic-gate * as the jitter does not really need to be "very" random. 5157c478bd9Sstevel@tonic-gate */ 5167c478bd9Sstevel@tonic-gate #define SET_HB_INTVL(fp) \ 5177c478bd9Sstevel@tonic-gate ((fp)->hb_interval + (fp)->rto + ((fp)->rto >> 1) - \ 518c31292eeSkcpoon (uint_t)gethrtime() % (fp)->rto) 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate #define SCTP_IPIF_HASH 16 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate typedef struct sctp_ipif_hash_s { 5237c478bd9Sstevel@tonic-gate list_t sctp_ipif_list; 5247c478bd9Sstevel@tonic-gate int ipif_count; 5257c478bd9Sstevel@tonic-gate } sctp_ipif_hash_t; 5267c478bd9Sstevel@tonic-gate 52712f47623Skcpoon 52812f47623Skcpoon /* 52912f47623Skcpoon * Initialize cwnd according to RFC 3390. def_max_init_cwnd is 53012f47623Skcpoon * either sctp_slow_start_initial or sctp_slow_start_after idle 53112f47623Skcpoon * depending on the caller. 53212f47623Skcpoon */ 53312f47623Skcpoon #define SET_CWND(fp, mss, def_max_init_cwnd) \ 53412f47623Skcpoon { \ 53512f47623Skcpoon (fp)->cwnd = MIN(def_max_init_cwnd * (mss), \ 53612f47623Skcpoon MIN(4 * (mss), MAX(2 * (mss), 4380 / (mss) * (mss)))); \ 53712f47623Skcpoon } 53812f47623Skcpoon 53912f47623Skcpoon 5407c478bd9Sstevel@tonic-gate struct sctp_s; 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate /* 5437c478bd9Sstevel@tonic-gate * Control structure for each open SCTP stream, 5447c478bd9Sstevel@tonic-gate * defined only within the kernel or for a kmem user. 5457c478bd9Sstevel@tonic-gate * NOTE: sctp_reinit_values MUST have a line for each field in this structure! 5467c478bd9Sstevel@tonic-gate */ 5477c478bd9Sstevel@tonic-gate #if (defined(_KERNEL) || defined(_KMEMUSER)) 5487c478bd9Sstevel@tonic-gate 5497c478bd9Sstevel@tonic-gate typedef struct sctp_s { 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate /* 5527c478bd9Sstevel@tonic-gate * The following is shared with (and duplicated) in IP, so if you 5537c478bd9Sstevel@tonic-gate * make changes, make sure you also change things in ip_sctp.c. 5547c478bd9Sstevel@tonic-gate */ 5557c478bd9Sstevel@tonic-gate struct sctp_s *sctp_conn_hash_next; 5567c478bd9Sstevel@tonic-gate struct sctp_s *sctp_conn_hash_prev; 5577c478bd9Sstevel@tonic-gate 5587c478bd9Sstevel@tonic-gate struct sctp_s *sctp_listen_hash_next; 5597c478bd9Sstevel@tonic-gate struct sctp_s *sctp_listen_hash_prev; 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate sctp_tf_t *sctp_listen_tfp; /* Ptr to tf */ 5627c478bd9Sstevel@tonic-gate sctp_tf_t *sctp_conn_tfp; /* Ptr to tf */ 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate /* Global list of sctp */ 5657c478bd9Sstevel@tonic-gate list_node_t sctp_list; 5667c478bd9Sstevel@tonic-gate 5677c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_faddrs; 5681d8c4025Svi int sctp_nfaddrs; 5697c478bd9Sstevel@tonic-gate sctp_ipif_hash_t sctp_saddrs[SCTP_IPIF_HASH]; 5707c478bd9Sstevel@tonic-gate int sctp_nsaddrs; 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate kmutex_t sctp_lock; 5737c478bd9Sstevel@tonic-gate kcondvar_t sctp_cv; 5747c478bd9Sstevel@tonic-gate boolean_t sctp_running; 5757c478bd9Sstevel@tonic-gate 5760f1702c5SYu Xiangning #define sctp_ulpd sctp_connp->conn_upper_handle 5770f1702c5SYu Xiangning #define sctp_upcalls sctp_connp->conn_upcalls 5787c478bd9Sstevel@tonic-gate 5790f1702c5SYu Xiangning #define sctp_ulp_newconn sctp_upcalls->su_newconn 5800f1702c5SYu Xiangning #define sctp_ulp_connected sctp_upcalls->su_connected 5810f1702c5SYu Xiangning #define sctp_ulp_disconnected sctp_upcalls->su_disconnected 5820f1702c5SYu Xiangning #define sctp_ulp_opctl sctp_upcalls->su_opctl 5830f1702c5SYu Xiangning #define sctp_ulp_recv sctp_upcalls->su_recv 5840f1702c5SYu Xiangning #define sctp_ulp_xmitted sctp_upcalls->su_txq_full 5850f1702c5SYu Xiangning #define sctp_ulp_prop sctp_upcalls->su_set_proto_props 5867c478bd9Sstevel@tonic-gate 5877c478bd9Sstevel@tonic-gate int32_t sctp_state; 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate conn_t *sctp_connp; /* conn_t stuff */ 590f4b3ec61Sdh sctp_stack_t *sctp_sctps; 591f4b3ec61Sdh 5927c478bd9Sstevel@tonic-gate /* Peer address tracking */ 5937c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_lastfaddr; /* last faddr in list */ 5947c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_primary; /* primary faddr */ 5957c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_current; /* current faddr */ 5967c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_lastdata; /* last data seen from this */ 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate /* Outbound data tracking */ 5997c478bd9Sstevel@tonic-gate mblk_t *sctp_xmit_head; 6007c478bd9Sstevel@tonic-gate mblk_t *sctp_xmit_tail; 6017c478bd9Sstevel@tonic-gate mblk_t *sctp_xmit_unsent; 6027c478bd9Sstevel@tonic-gate mblk_t *sctp_xmit_unsent_tail; 6037c478bd9Sstevel@tonic-gate mblk_t *sctp_xmit_unacked; 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate int32_t sctp_unacked; /* # of unacked bytes */ 6067c478bd9Sstevel@tonic-gate int32_t sctp_unsent; /* # of unsent bytes in hand */ 6077c478bd9Sstevel@tonic-gate 6087c478bd9Sstevel@tonic-gate uint32_t sctp_ltsn; /* Local instance TSN */ 6097c478bd9Sstevel@tonic-gate uint32_t sctp_lastack_rxd; /* Last rx'd cumtsn */ 6107c478bd9Sstevel@tonic-gate uint32_t sctp_recovery_tsn; /* Exit from fast recovery */ 6117c478bd9Sstevel@tonic-gate uint32_t sctp_adv_pap; /* Adv. Peer Ack Point */ 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate uint16_t sctp_num_ostr; 6147c478bd9Sstevel@tonic-gate uint16_t *sctp_ostrcntrs; 6157c478bd9Sstevel@tonic-gate 616121e5416Skcpoon mblk_t *sctp_pad_mp; /* pad unaligned data chunks */ 617121e5416Skcpoon 6187c478bd9Sstevel@tonic-gate /* sendmsg() default parameters */ 6197c478bd9Sstevel@tonic-gate uint16_t sctp_def_stream; /* default stream id */ 6207c478bd9Sstevel@tonic-gate uint16_t sctp_def_flags; /* default xmit flags */ 6217c478bd9Sstevel@tonic-gate uint32_t sctp_def_ppid; /* default payload id */ 6227c478bd9Sstevel@tonic-gate uint32_t sctp_def_context; /* default context */ 6237c478bd9Sstevel@tonic-gate uint32_t sctp_def_timetolive; /* default msg TTL */ 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* Inbound data tracking */ 6267c478bd9Sstevel@tonic-gate sctp_set_t *sctp_sack_info; /* Sack tracking */ 6277c478bd9Sstevel@tonic-gate mblk_t *sctp_ack_mp; /* Delayed ACK timer block */ 6287c478bd9Sstevel@tonic-gate sctp_instr_t *sctp_instr; /* Instream trackers */ 6297c478bd9Sstevel@tonic-gate mblk_t *sctp_uo_frags; /* Un-ordered msg. fragments */ 6307c478bd9Sstevel@tonic-gate uint32_t sctp_ftsn; /* Peer's TSN */ 6317c478bd9Sstevel@tonic-gate uint32_t sctp_lastacked; /* last cumtsn SACKd */ 6327c478bd9Sstevel@tonic-gate uint16_t sctp_num_istr; /* No. of instreams */ 6337c478bd9Sstevel@tonic-gate int32_t sctp_istr_nmsgs; /* No. of chunks in instreams */ 6347c478bd9Sstevel@tonic-gate int32_t sctp_sack_gaps; /* No. of received gaps */ 6357c478bd9Sstevel@tonic-gate int32_t sctp_sack_toggle; /* SACK every other pkt */ 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate /* RTT calculation */ 6387c478bd9Sstevel@tonic-gate uint32_t sctp_rtt_tsn; 6397c478bd9Sstevel@tonic-gate int64_t sctp_out_time; 6407c478bd9Sstevel@tonic-gate 64135e12f9cSGeorge Shepherd /* Stats can be reset by snmp users kstat, netstat and snmp agents */ 6427c478bd9Sstevel@tonic-gate uint64_t sctp_opkts; /* sent pkts */ 6437c478bd9Sstevel@tonic-gate uint64_t sctp_obchunks; /* sent control chunks */ 6447c478bd9Sstevel@tonic-gate uint64_t sctp_odchunks; /* sent ordered data chunks */ 6457c478bd9Sstevel@tonic-gate uint64_t sctp_oudchunks; /* sent unord data chunks */ 6467c478bd9Sstevel@tonic-gate uint64_t sctp_rxtchunks; /* retransmitted chunks */ 6477c478bd9Sstevel@tonic-gate uint64_t sctp_ipkts; /* recv pkts */ 6487c478bd9Sstevel@tonic-gate uint64_t sctp_ibchunks; /* recv control chunks */ 6497c478bd9Sstevel@tonic-gate uint64_t sctp_idchunks; /* recv ordered data chunks */ 6507c478bd9Sstevel@tonic-gate uint64_t sctp_iudchunks; /* recv unord data chunks */ 6517c478bd9Sstevel@tonic-gate uint64_t sctp_fragdmsgs; 6527c478bd9Sstevel@tonic-gate uint64_t sctp_reassmsgs; 6537c478bd9Sstevel@tonic-gate uint32_t sctp_T1expire; /* # of times T1timer expired */ 6547c478bd9Sstevel@tonic-gate uint32_t sctp_T2expire; /* # of times T2timer expired */ 6557c478bd9Sstevel@tonic-gate uint32_t sctp_T3expire; /* # of times T3timer expired */ 6567c478bd9Sstevel@tonic-gate uint32_t sctp_assoc_start_time; /* time when assoc was est. */ 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate uint32_t sctp_frwnd; /* Peer RWND */ 6597c478bd9Sstevel@tonic-gate uint32_t sctp_cwnd_max; 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate /* Inbound flow control */ 6627c478bd9Sstevel@tonic-gate int32_t sctp_rwnd; /* Current receive window */ 6631d8c4025Svi int32_t sctp_irwnd; /* Initial receive window */ 6647c478bd9Sstevel@tonic-gate int32_t sctp_rxqueued; /* No. of bytes in RX q's */ 6657c478bd9Sstevel@tonic-gate 6667c478bd9Sstevel@tonic-gate /* Pre-initialized composite headers */ 667bd670b35SErik Nordmark uchar_t *sctp_iphc; /* v4 sctp/ip hdr template buffer */ 668bd670b35SErik Nordmark uchar_t *sctp_iphc6; /* v6 sctp/ip hdr template buffer */ 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate int32_t sctp_iphc_len; /* actual allocated v4 buffer size */ 6717c478bd9Sstevel@tonic-gate int32_t sctp_iphc6_len; /* actual allocated v6 buffer size */ 6727c478bd9Sstevel@tonic-gate 6737c478bd9Sstevel@tonic-gate int32_t sctp_hdr_len; /* len of combined SCTP/IP v4 hdr */ 6747c478bd9Sstevel@tonic-gate int32_t sctp_hdr6_len; /* len of combined SCTP/IP v6 hdr */ 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate ipha_t *sctp_ipha; /* IPv4 header in the buffer */ 6777c478bd9Sstevel@tonic-gate ip6_t *sctp_ip6h; /* IPv6 header in the buffer */ 6787c478bd9Sstevel@tonic-gate 6797c478bd9Sstevel@tonic-gate int32_t sctp_ip_hdr_len; /* Byte len of our current v4 hdr */ 6807c478bd9Sstevel@tonic-gate int32_t sctp_ip_hdr6_len; /* Byte len of our current v6 hdr */ 6817c478bd9Sstevel@tonic-gate 6827c478bd9Sstevel@tonic-gate sctp_hdr_t *sctp_sctph; /* sctp header in combined v4 hdr */ 6837c478bd9Sstevel@tonic-gate sctp_hdr_t *sctp_sctph6; /* sctp header in combined v6 hdr */ 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate uint32_t sctp_lvtag; /* local SCTP instance verf tag */ 6867c478bd9Sstevel@tonic-gate uint32_t sctp_fvtag; /* Peer's SCTP verf tag */ 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate /* Path MTU Discovery */ 6897c478bd9Sstevel@tonic-gate int64_t sctp_last_mtu_probe; 6907c478bd9Sstevel@tonic-gate clock_t sctp_mtu_probe_intvl; 6917c478bd9Sstevel@tonic-gate uint32_t sctp_mss; /* Max send size (not TCP MSS!) */ 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate /* structs sctp_bits, sctp_events are for clearing all bits at once */ 6947c478bd9Sstevel@tonic-gate struct { 6957c478bd9Sstevel@tonic-gate uint32_t 6967c478bd9Sstevel@tonic-gate 6977c478bd9Sstevel@tonic-gate sctp_understands_asconf : 1, /* Peer handles ASCONF chunks */ 6987c478bd9Sstevel@tonic-gate sctp_cchunk_pend : 1, /* Control chunk in flight. */ 6997c478bd9Sstevel@tonic-gate sctp_lingering : 1, /* Lingering in close */ 7007c478bd9Sstevel@tonic-gate sctp_loopback: 1, /* src and dst are the same machine */ 7017c478bd9Sstevel@tonic-gate 702bd670b35SErik Nordmark sctp_force_sack : 1, 7037c478bd9Sstevel@tonic-gate sctp_ack_timer_running: 1, /* Delayed ACK timer running */ 7047c478bd9Sstevel@tonic-gate sctp_hwcksum : 1, /* The NIC is capable of hwcksum */ 7057c478bd9Sstevel@tonic-gate sctp_understands_addip : 1, 7067c478bd9Sstevel@tonic-gate 7077c478bd9Sstevel@tonic-gate sctp_bound_to_all : 1, 7087c478bd9Sstevel@tonic-gate sctp_cansleep : 1, /* itf routines can sleep */ 7097c478bd9Sstevel@tonic-gate sctp_detached : 1, /* If we're detached from a stream */ 710558fbd03Skcpoon sctp_send_adaptation : 1, /* send adaptation layer ind */ 7117c478bd9Sstevel@tonic-gate 712558fbd03Skcpoon sctp_recv_adaptation : 1, /* recv adaptation layer ind */ 7137c478bd9Sstevel@tonic-gate sctp_ndelay : 1, /* turn off Nagle */ 7147c478bd9Sstevel@tonic-gate sctp_condemned : 1, /* this sctp is about to disappear */ 7157c478bd9Sstevel@tonic-gate sctp_chk_fast_rexmit : 1, /* check for fast rexmit message */ 716f551bb10Svi 717f551bb10Svi sctp_prsctp_aware : 1, /* is peer PR-SCTP aware? */ 71845916cd2Sjpk sctp_linklocal : 1, /* is linklocal assoc. */ 71977c67f2fSkcpoon sctp_rexmitting : 1, /* SCTP is retransmitting */ 720769b977dSvi sctp_zero_win_probe : 1, /* doing zero win probe */ 72177c67f2fSkcpoon 7220f1702c5SYu Xiangning sctp_txq_full : 1, /* the tx queue is full */ 723c31292eeSkcpoon sctp_ulp_discon_done : 1, /* ulp_disconnecting done */ 7240f1702c5SYu Xiangning sctp_dummy : 6; 7257c478bd9Sstevel@tonic-gate } sctp_bits; 7267c478bd9Sstevel@tonic-gate struct { 7277c478bd9Sstevel@tonic-gate uint32_t 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate sctp_recvsndrcvinfo : 1, 7307c478bd9Sstevel@tonic-gate sctp_recvassocevnt : 1, 7317c478bd9Sstevel@tonic-gate sctp_recvpathevnt : 1, 7327c478bd9Sstevel@tonic-gate sctp_recvsendfailevnt : 1, 7337c478bd9Sstevel@tonic-gate 7347c478bd9Sstevel@tonic-gate sctp_recvpeererr : 1, 7357c478bd9Sstevel@tonic-gate sctp_recvshutdownevnt : 1, 7367c478bd9Sstevel@tonic-gate sctp_recvpdevnt : 1, 7377c478bd9Sstevel@tonic-gate sctp_recvalevnt : 1; 7387c478bd9Sstevel@tonic-gate } sctp_events; 7397c478bd9Sstevel@tonic-gate #define sctp_priv_stream sctp_bits.sctp_priv_stream 7407c478bd9Sstevel@tonic-gate #define sctp_understands_asconf sctp_bits.sctp_understands_asconf 7417c478bd9Sstevel@tonic-gate #define sctp_cchunk_pend sctp_bits.sctp_cchunk_pend 7427c478bd9Sstevel@tonic-gate #define sctp_lingering sctp_bits.sctp_lingering 7437c478bd9Sstevel@tonic-gate #define sctp_loopback sctp_bits.sctp_loopback 7447c478bd9Sstevel@tonic-gate #define sctp_force_sack sctp_bits.sctp_force_sack 7457c478bd9Sstevel@tonic-gate #define sctp_ack_timer_running sctp_bits.sctp_ack_timer_running 7467c478bd9Sstevel@tonic-gate #define sctp_hwcksum sctp_bits.sctp_hwcksum 7477c478bd9Sstevel@tonic-gate #define sctp_understands_addip sctp_bits.sctp_understands_addip 7487c478bd9Sstevel@tonic-gate #define sctp_bound_to_all sctp_bits.sctp_bound_to_all 7497c478bd9Sstevel@tonic-gate #define sctp_cansleep sctp_bits.sctp_cansleep 7507c478bd9Sstevel@tonic-gate #define sctp_detached sctp_bits.sctp_detached 751558fbd03Skcpoon #define sctp_send_adaptation sctp_bits.sctp_send_adaptation 752558fbd03Skcpoon #define sctp_recv_adaptation sctp_bits.sctp_recv_adaptation 7537c478bd9Sstevel@tonic-gate #define sctp_ndelay sctp_bits.sctp_ndelay 7547c478bd9Sstevel@tonic-gate #define sctp_condemned sctp_bits.sctp_condemned 7557c478bd9Sstevel@tonic-gate #define sctp_chk_fast_rexmit sctp_bits.sctp_chk_fast_rexmit 7567c478bd9Sstevel@tonic-gate #define sctp_prsctp_aware sctp_bits.sctp_prsctp_aware 757f551bb10Svi #define sctp_linklocal sctp_bits.sctp_linklocal 75877c67f2fSkcpoon #define sctp_rexmitting sctp_bits.sctp_rexmitting 759769b977dSvi #define sctp_zero_win_probe sctp_bits.sctp_zero_win_probe 7600f1702c5SYu Xiangning #define sctp_txq_full sctp_bits.sctp_txq_full 761c31292eeSkcpoon #define sctp_ulp_discon_done sctp_bits.sctp_ulp_discon_done 7627c478bd9Sstevel@tonic-gate 7637c478bd9Sstevel@tonic-gate #define sctp_recvsndrcvinfo sctp_events.sctp_recvsndrcvinfo 7647c478bd9Sstevel@tonic-gate #define sctp_recvassocevnt sctp_events.sctp_recvassocevnt 7657c478bd9Sstevel@tonic-gate #define sctp_recvpathevnt sctp_events.sctp_recvpathevnt 7667c478bd9Sstevel@tonic-gate #define sctp_recvsendfailevnt sctp_events.sctp_recvsendfailevnt 7677c478bd9Sstevel@tonic-gate #define sctp_recvpeererr sctp_events.sctp_recvpeererr 7687c478bd9Sstevel@tonic-gate #define sctp_recvshutdownevnt sctp_events.sctp_recvshutdownevnt 7697c478bd9Sstevel@tonic-gate #define sctp_recvpdevnt sctp_events.sctp_recvpdevnt 7707c478bd9Sstevel@tonic-gate #define sctp_recvalevnt sctp_events.sctp_recvalevnt 7717c478bd9Sstevel@tonic-gate 7727c478bd9Sstevel@tonic-gate /* Retransmit info */ 7737c478bd9Sstevel@tonic-gate mblk_t *sctp_cookie_mp; /* cookie chunk, if rxt needed */ 7747c478bd9Sstevel@tonic-gate int32_t sctp_strikes; /* Total number of assoc strikes */ 7757c478bd9Sstevel@tonic-gate int32_t sctp_max_init_rxt; 7767c478bd9Sstevel@tonic-gate int32_t sctp_pa_max_rxt; /* Max per-assoc retransmit cnt */ 7777c478bd9Sstevel@tonic-gate int32_t sctp_pp_max_rxt; /* Max per-path retransmit cnt */ 7787c478bd9Sstevel@tonic-gate uint32_t sctp_rto_max; 7797c478bd9Sstevel@tonic-gate uint32_t sctp_init_rto_max; 7807c478bd9Sstevel@tonic-gate uint32_t sctp_rto_min; 7817c478bd9Sstevel@tonic-gate uint32_t sctp_rto_initial; 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate int64_t sctp_last_secret_update; 7847c478bd9Sstevel@tonic-gate uint8_t sctp_secret[SCTP_SECRET_LEN]; /* for cookie auth */ 7857c478bd9Sstevel@tonic-gate uint8_t sctp_old_secret[SCTP_SECRET_LEN]; 78612f47623Skcpoon uint32_t sctp_cookie_lifetime; /* cookie lifetime in tick */ 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate /* Bind hash tables */ 7897c478bd9Sstevel@tonic-gate kmutex_t *sctp_bind_lockp; /* Ptr to tf_lock */ 7907c478bd9Sstevel@tonic-gate struct sctp_s *sctp_bind_hash; 7917c478bd9Sstevel@tonic-gate struct sctp_s **sctp_ptpbhn; 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate /* Shutdown / cleanup */ 7947c478bd9Sstevel@tonic-gate sctp_faddr_t *sctp_shutdown_faddr; /* rotate faddr during shutd */ 7957c478bd9Sstevel@tonic-gate int32_t sctp_client_errno; /* How the client screwed up */ 7967c478bd9Sstevel@tonic-gate kmutex_t sctp_reflock; /* Protects sctp_refcnt & timer mp */ 7977c478bd9Sstevel@tonic-gate ushort_t sctp_refcnt; /* No. of pending upstream msg */ 7987c478bd9Sstevel@tonic-gate mblk_t *sctp_timer_mp; /* List of fired timers. */ 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate mblk_t *sctp_heartbeat_mp; /* Timer block for heartbeats */ 8017c478bd9Sstevel@tonic-gate uint32_t sctp_hb_interval; /* Default hb_interval */ 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate int32_t sctp_autoclose; /* Auto disconnect in ticks */ 8047c478bd9Sstevel@tonic-gate int64_t sctp_active; /* Last time data/sack on this conn */ 805558fbd03Skcpoon uint32_t sctp_tx_adaptation_code; /* TX adaptation code */ 806558fbd03Skcpoon uint32_t sctp_rx_adaptation_code; /* RX adaptation code */ 8077c478bd9Sstevel@tonic-gate 8087c478bd9Sstevel@tonic-gate /* Reliable control chunks */ 8097c478bd9Sstevel@tonic-gate mblk_t *sctp_cxmit_list; /* Xmit list for control chunks */ 8107c478bd9Sstevel@tonic-gate uint32_t sctp_lcsn; /* Our serial number */ 8117c478bd9Sstevel@tonic-gate uint32_t sctp_fcsn; /* Peer serial number */ 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* Per association receive queue */ 8147c478bd9Sstevel@tonic-gate kmutex_t sctp_recvq_lock; 8157c478bd9Sstevel@tonic-gate mblk_t *sctp_recvq; 8167c478bd9Sstevel@tonic-gate mblk_t *sctp_recvq_tail; 8177c478bd9Sstevel@tonic-gate taskq_t *sctp_recvq_tq; 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate /* IPv6 ancillary data */ 8207c478bd9Sstevel@tonic-gate uint_t sctp_recvifindex; /* last rcvd IPV6_RCVPKTINFO */ 8217c478bd9Sstevel@tonic-gate uint_t sctp_recvhops; /* " IPV6_RECVHOPLIMIT */ 822bd670b35SErik Nordmark uint_t sctp_recvtclass; /* " IPV6_RECVTCLASS */ 8237c478bd9Sstevel@tonic-gate ip6_hbh_t *sctp_hopopts; /* " IPV6_RECVHOPOPTS */ 8247c478bd9Sstevel@tonic-gate ip6_dest_t *sctp_dstopts; /* " IPV6_RECVDSTOPTS */ 825bd670b35SErik Nordmark ip6_dest_t *sctp_rthdrdstopts; /* " IPV6_RECVRTHDRDSTOPTS */ 8267c478bd9Sstevel@tonic-gate ip6_rthdr_t *sctp_rthdr; /* " IPV6_RECVRTHDR */ 8277c478bd9Sstevel@tonic-gate uint_t sctp_hopoptslen; 8287c478bd9Sstevel@tonic-gate uint_t sctp_dstoptslen; 829bd670b35SErik Nordmark uint_t sctp_rthdrdstoptslen; 8307c478bd9Sstevel@tonic-gate uint_t sctp_rthdrlen; 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate /* Stats */ 8337c478bd9Sstevel@tonic-gate uint64_t sctp_msgcount; 8347c478bd9Sstevel@tonic-gate uint64_t sctp_prsctpdrop; 83545916cd2Sjpk 83645916cd2Sjpk uint_t sctp_v4label_len; /* length of cached v4 label */ 83745916cd2Sjpk uint_t sctp_v6label_len; /* length of cached v6 label */ 83877c67f2fSkcpoon uint32_t sctp_rxt_nxttsn; /* Next TSN to be rexmitted */ 83977c67f2fSkcpoon uint32_t sctp_rxt_maxtsn; /* Max TSN sent at time out */ 8407d546a59Svi 8417d546a59Svi int sctp_pd_point; /* Partial delivery point */ 8427f093707Skcpoon mblk_t *sctp_err_chunks; /* Error chunks */ 8437f093707Skcpoon uint32_t sctp_err_len; /* Total error chunks length */ 844de8c4a14SErik Nordmark 8459f13099eSGeorge Shepherd /* additional source data for per endpoint association statistics */ 8469f13099eSGeorge Shepherd uint64_t sctp_outseqtsns; /* TSN rx > expected TSN */ 8479f13099eSGeorge Shepherd uint64_t sctp_osacks; /* total sacks sent */ 8489f13099eSGeorge Shepherd uint64_t sctp_isacks; /* total sacks received */ 8499f13099eSGeorge Shepherd uint64_t sctp_idupchunks; /* rx dups, ord or unord */ 8509f13099eSGeorge Shepherd uint64_t sctp_gapcnt; /* total gap acks rx */ 85135e12f9cSGeorge Shepherd /* 85235e12f9cSGeorge Shepherd * Add the current data from the counters which are reset by snmp 85335e12f9cSGeorge Shepherd * to these cumulative counters to use in per endpoint statistics. 85435e12f9cSGeorge Shepherd */ 85535e12f9cSGeorge Shepherd uint64_t sctp_cum_obchunks; /* sent control chunks */ 85635e12f9cSGeorge Shepherd uint64_t sctp_cum_odchunks; /* sent ordered data chunks */ 85735e12f9cSGeorge Shepherd uint64_t sctp_cum_oudchunks; /* sent unord data chunks */ 85835e12f9cSGeorge Shepherd uint64_t sctp_cum_rxtchunks; /* retransmitted chunks */ 85935e12f9cSGeorge Shepherd uint64_t sctp_cum_ibchunks; /* recv control chunks */ 86035e12f9cSGeorge Shepherd uint64_t sctp_cum_idchunks; /* recv ordered data chunks */ 86135e12f9cSGeorge Shepherd uint64_t sctp_cum_iudchunks; /* recv unord data chunks */ 8629f13099eSGeorge Shepherd 8639f13099eSGeorge Shepherd /* 8649f13099eSGeorge Shepherd * When non-zero, this is the maximum observed RTO since assoc stats 8659f13099eSGeorge Shepherd * were last requested. When zero, no RTO update has occurred since 8669f13099eSGeorge Shepherd * the previous user request for stats on this endpoint. 8679f13099eSGeorge Shepherd */ 8689f13099eSGeorge Shepherd int sctp_maxrto; 8699f13099eSGeorge Shepherd /* 8709f13099eSGeorge Shepherd * The stored value of sctp_maxrto passed to user during the previous 8719f13099eSGeorge Shepherd * user request for stats on this endpoint. 8729f13099eSGeorge Shepherd */ 8739f13099eSGeorge Shepherd int sctp_prev_maxrto; 8747c478bd9Sstevel@tonic-gate } sctp_t; 8757c478bd9Sstevel@tonic-gate 8760f1702c5SYu Xiangning #define SCTP_TXQ_LEN(sctp) ((sctp)->sctp_unsent + (sctp)->sctp_unacked) 8770f1702c5SYu Xiangning #define SCTP_TXQ_UPDATE(sctp) \ 8780f1702c5SYu Xiangning if ((sctp)->sctp_txq_full && SCTP_TXQ_LEN(sctp) <= \ 879bd670b35SErik Nordmark (sctp)->sctp_connp->conn_sndlowat) { \ 8800f1702c5SYu Xiangning (sctp)->sctp_txq_full = 0; \ 8810f1702c5SYu Xiangning (sctp)->sctp_ulp_xmitted((sctp)->sctp_ulpd, \ 8820f1702c5SYu Xiangning B_FALSE); \ 8830f1702c5SYu Xiangning } 8840f1702c5SYu Xiangning 8857c478bd9Sstevel@tonic-gate #endif /* (defined(_KERNEL) || defined(_KMEMUSER)) */ 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate extern void sctp_ack_timer(sctp_t *); 888558fbd03Skcpoon extern size_t sctp_adaptation_code_param(sctp_t *, uchar_t *); 889558fbd03Skcpoon extern void sctp_adaptation_event(sctp_t *); 8907f093707Skcpoon extern void sctp_add_err(sctp_t *, uint16_t, void *, size_t, 8917f093707Skcpoon sctp_faddr_t *); 89277c67f2fSkcpoon extern int sctp_add_faddr(sctp_t *, in6_addr_t *, int, boolean_t); 8937c478bd9Sstevel@tonic-gate extern boolean_t sctp_add_ftsn_set(sctp_ftsn_set_t **, sctp_faddr_t *, mblk_t *, 8947c478bd9Sstevel@tonic-gate uint_t *, uint32_t *); 895bd670b35SErik Nordmark extern void sctp_add_recvq(sctp_t *, mblk_t *, boolean_t, 896bd670b35SErik Nordmark ip_recv_attr_t *); 897c513743fSGeorge Shepherd extern void sctp_add_unrec_parm(sctp_parm_hdr_t *, mblk_t **, boolean_t); 89812f47623Skcpoon extern size_t sctp_addr_params(sctp_t *, int, uchar_t *, boolean_t); 899df19b344Svi extern mblk_t *sctp_add_proto_hdr(sctp_t *, sctp_faddr_t *, mblk_t *, int, 900df19b344Svi int *); 9017c478bd9Sstevel@tonic-gate extern void sctp_addr_req(sctp_t *, mblk_t *); 9027c478bd9Sstevel@tonic-gate extern sctp_t *sctp_addrlist2sctp(mblk_t *, sctp_hdr_t *, sctp_chunk_hdr_t *, 903e35d2278Svi zoneid_t, sctp_stack_t *); 9047c478bd9Sstevel@tonic-gate extern void sctp_check_adv_ack_pt(sctp_t *, mblk_t *, mblk_t *); 9057c478bd9Sstevel@tonic-gate extern void sctp_assoc_event(sctp_t *, uint16_t, uint16_t, 9067c478bd9Sstevel@tonic-gate sctp_chunk_hdr_t *); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate extern void sctp_bind_hash_insert(sctp_tf_t *, sctp_t *, int); 9097c478bd9Sstevel@tonic-gate extern void sctp_bind_hash_remove(sctp_t *); 91045916cd2Sjpk extern int sctp_bindi(sctp_t *, in_port_t, boolean_t, int, in_port_t *); 9111d8c4025Svi extern int sctp_bind_add(sctp_t *, const void *, uint32_t, boolean_t, 9121d8c4025Svi in_port_t); 9137c478bd9Sstevel@tonic-gate extern int sctp_bind_del(sctp_t *, const void *, uint32_t, boolean_t); 914bd670b35SErik Nordmark extern int sctp_build_hdrs(sctp_t *, int); 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate extern int sctp_check_abandoned_msg(sctp_t *, mblk_t *); 9177c478bd9Sstevel@tonic-gate extern void sctp_clean_death(sctp_t *, int); 9187c478bd9Sstevel@tonic-gate extern void sctp_close_eager(sctp_t *); 9197c478bd9Sstevel@tonic-gate extern int sctp_compare_faddrsets(sctp_faddr_t *, sctp_faddr_t *); 9207c478bd9Sstevel@tonic-gate extern void sctp_congest_reset(sctp_t *); 9217c478bd9Sstevel@tonic-gate extern void sctp_conn_hash_insert(sctp_tf_t *, sctp_t *, int); 9227c478bd9Sstevel@tonic-gate extern void sctp_conn_hash_remove(sctp_t *); 923121e5416Skcpoon extern void sctp_conn_init(conn_t *); 924e35d2278Svi extern sctp_t *sctp_conn_match(in6_addr_t *, in6_addr_t *, uint32_t, 925bd670b35SErik Nordmark zoneid_t, iaflags_t, sctp_stack_t *); 9267c478bd9Sstevel@tonic-gate extern sctp_t *sctp_conn_request(sctp_t *, mblk_t *, uint_t, uint_t, 927bd670b35SErik Nordmark sctp_init_chunk_t *, ip_recv_attr_t *); 9287c478bd9Sstevel@tonic-gate extern uint32_t sctp_cumack(sctp_t *, uint32_t, mblk_t **); 9297c478bd9Sstevel@tonic-gate extern sctp_t *sctp_create_eager(sctp_t *); 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate extern void sctp_dispatch_rput(queue_t *, sctp_t *, sctp_hdr_t *, mblk_t *, 9327c478bd9Sstevel@tonic-gate uint_t, uint_t, in6_addr_t); 9337c478bd9Sstevel@tonic-gate extern char *sctp_display(sctp_t *, char *); 934f4b3ec61Sdh extern void sctp_display_all(sctp_stack_t *); 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate extern void sctp_error_event(sctp_t *, sctp_chunk_hdr_t *); 9377c478bd9Sstevel@tonic-gate 9387c478bd9Sstevel@tonic-gate extern void sctp_faddr_alive(sctp_t *, sctp_faddr_t *); 9397c478bd9Sstevel@tonic-gate extern int sctp_faddr_dead(sctp_t *, sctp_faddr_t *, int); 94045916cd2Sjpk extern void sctp_faddr_fini(void); 94145916cd2Sjpk extern void sctp_faddr_init(void); 9427c478bd9Sstevel@tonic-gate extern void sctp_fast_rexmit(sctp_t *); 9437c478bd9Sstevel@tonic-gate extern void sctp_fill_sack(sctp_t *, unsigned char *, int); 9447c478bd9Sstevel@tonic-gate extern void sctp_free_faddr_timers(sctp_t *); 9457c478bd9Sstevel@tonic-gate extern void sctp_free_ftsn_set(sctp_ftsn_set_t *); 9467c478bd9Sstevel@tonic-gate extern void sctp_free_msg(mblk_t *); 9477c478bd9Sstevel@tonic-gate extern void sctp_free_reass(sctp_instr_t *); 9487c478bd9Sstevel@tonic-gate extern void sctp_free_set(sctp_set_t *); 9497c478bd9Sstevel@tonic-gate extern void sctp_ftsn_sets_fini(void); 9507c478bd9Sstevel@tonic-gate extern void sctp_ftsn_sets_init(void); 9517c478bd9Sstevel@tonic-gate 9521d8c4025Svi extern int sctp_get_addrlist(sctp_t *, const void *, uint32_t *, 9531d8c4025Svi uchar_t **, int *, size_t *); 9547c478bd9Sstevel@tonic-gate extern int sctp_get_addrparams(sctp_t *, sctp_t *, mblk_t *, 9557c478bd9Sstevel@tonic-gate sctp_chunk_hdr_t *, uint_t *); 956bd670b35SErik Nordmark extern void sctp_get_dest(sctp_t *, sctp_faddr_t *); 9571d8c4025Svi extern void sctp_get_faddr_list(sctp_t *, uchar_t *, size_t); 9587c478bd9Sstevel@tonic-gate extern mblk_t *sctp_get_first_sent(sctp_t *); 9597c478bd9Sstevel@tonic-gate extern mblk_t *sctp_get_msg_to_send(sctp_t *, mblk_t **, mblk_t *, int *, 9607c478bd9Sstevel@tonic-gate int32_t, uint32_t, sctp_faddr_t *); 9611d8c4025Svi extern void sctp_get_saddr_list(sctp_t *, uchar_t *, size_t); 9627c478bd9Sstevel@tonic-gate 9637c478bd9Sstevel@tonic-gate extern int sctp_handle_error(sctp_t *, sctp_hdr_t *, sctp_chunk_hdr_t *, 964bd670b35SErik Nordmark mblk_t *, ip_recv_attr_t *); 965f4b3ec61Sdh extern void sctp_hash_destroy(sctp_stack_t *); 966f4b3ec61Sdh extern void sctp_hash_init(sctp_stack_t *); 9677c478bd9Sstevel@tonic-gate extern void sctp_heartbeat_timer(sctp_t *); 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate extern void sctp_icmp_error(sctp_t *, mblk_t *); 970f4b3ec61Sdh extern void sctp_inc_taskq(sctp_stack_t *); 9717c478bd9Sstevel@tonic-gate extern void sctp_info_req(sctp_t *, mblk_t *); 972bd670b35SErik Nordmark extern mblk_t *sctp_init_mp(sctp_t *, sctp_faddr_t *); 9737c478bd9Sstevel@tonic-gate extern boolean_t sctp_initialize_params(sctp_t *, sctp_init_chunk_t *, 9747c478bd9Sstevel@tonic-gate sctp_init_chunk_t *); 9757c478bd9Sstevel@tonic-gate extern uint32_t sctp_init2vtag(sctp_chunk_hdr_t *); 9767c478bd9Sstevel@tonic-gate extern void sctp_intf_event(sctp_t *, in6_addr_t, int, int); 977bd670b35SErik Nordmark extern void sctp_input_data(sctp_t *, mblk_t *, ip_recv_attr_t *); 9787c478bd9Sstevel@tonic-gate extern void sctp_instream_cleanup(sctp_t *, boolean_t); 9797c478bd9Sstevel@tonic-gate extern int sctp_is_a_faddr_clean(sctp_t *); 9807c478bd9Sstevel@tonic-gate 981f4b3ec61Sdh extern void *sctp_kstat_init(netstackid_t); 982f4b3ec61Sdh extern void sctp_kstat_fini(netstackid_t, kstat_t *); 983f4b3ec61Sdh extern void *sctp_kstat2_init(netstackid_t, sctp_kstat_t *); 984f4b3ec61Sdh extern void sctp_kstat2_fini(netstackid_t, kstat_t *); 9857c478bd9Sstevel@tonic-gate 9867c478bd9Sstevel@tonic-gate extern ssize_t sctp_link_abort(mblk_t *, uint16_t, char *, size_t, int, 9877c478bd9Sstevel@tonic-gate boolean_t); 9887c478bd9Sstevel@tonic-gate extern void sctp_listen_hash_insert(sctp_tf_t *, sctp_t *); 9897c478bd9Sstevel@tonic-gate extern void sctp_listen_hash_remove(sctp_t *); 9907c478bd9Sstevel@tonic-gate extern sctp_t *sctp_lookup(sctp_t *, in6_addr_t *, sctp_tf_t *, uint32_t *, 9917c478bd9Sstevel@tonic-gate int); 9927c478bd9Sstevel@tonic-gate extern sctp_faddr_t *sctp_lookup_faddr(sctp_t *, in6_addr_t *); 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate extern mblk_t *sctp_make_err(sctp_t *, uint16_t, void *, size_t); 9957c478bd9Sstevel@tonic-gate extern mblk_t *sctp_make_ftsn_chunk(sctp_t *, sctp_faddr_t *, 9967c478bd9Sstevel@tonic-gate sctp_ftsn_set_t *, uint_t, uint32_t); 9977c478bd9Sstevel@tonic-gate extern void sctp_make_ftsns(sctp_t *, mblk_t *, mblk_t *, mblk_t **, 9987c478bd9Sstevel@tonic-gate sctp_faddr_t *, uint32_t *); 9997c478bd9Sstevel@tonic-gate extern mblk_t *sctp_make_mp(sctp_t *, sctp_faddr_t *, int); 10007c478bd9Sstevel@tonic-gate extern mblk_t *sctp_make_sack(sctp_t *, sctp_faddr_t *, mblk_t *); 10017c478bd9Sstevel@tonic-gate extern void sctp_maxpsz_set(sctp_t *); 10027c478bd9Sstevel@tonic-gate extern void sctp_move_faddr_timers(queue_t *, sctp_t *); 10037c478bd9Sstevel@tonic-gate 1004f4b3ec61Sdh extern void sctp_nd_free(sctp_stack_t *); 10057c478bd9Sstevel@tonic-gate extern int sctp_nd_getset(queue_t *, MBLKP); 1006f4b3ec61Sdh extern boolean_t sctp_nd_init(sctp_stack_t *); 10077c478bd9Sstevel@tonic-gate extern sctp_parm_hdr_t *sctp_next_parm(sctp_parm_hdr_t *, ssize_t *); 10087c478bd9Sstevel@tonic-gate 1009bd670b35SErik Nordmark extern void sctp_ootb_shutdown_ack(mblk_t *, uint_t, ip_recv_attr_t *, 1010bd670b35SErik Nordmark ip_stack_t *); 10117c478bd9Sstevel@tonic-gate extern size_t sctp_options_param(const sctp_t *, void *, int); 10127c478bd9Sstevel@tonic-gate extern size_t sctp_options_param_len(const sctp_t *, int); 101312f47623Skcpoon extern void sctp_output(sctp_t *, uint_t); 10147c478bd9Sstevel@tonic-gate 1015f4b3ec61Sdh extern boolean_t sctp_param_register(IDP *, sctpparam_t *, int, sctp_stack_t *); 10167c478bd9Sstevel@tonic-gate extern void sctp_partial_delivery_event(sctp_t *); 10177c478bd9Sstevel@tonic-gate extern int sctp_process_cookie(sctp_t *, sctp_chunk_hdr_t *, mblk_t *, 1018bd670b35SErik Nordmark sctp_init_chunk_t **, sctp_hdr_t *, int *, in6_addr_t *, 1019bd670b35SErik Nordmark ip_recv_attr_t *); 10207f093707Skcpoon extern void sctp_process_err(sctp_t *); 10217c478bd9Sstevel@tonic-gate extern void sctp_process_heartbeat(sctp_t *, sctp_chunk_hdr_t *); 10227c478bd9Sstevel@tonic-gate extern void sctp_process_timer(sctp_t *); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate extern void sctp_redo_faddr_srcs(sctp_t *); 10257c478bd9Sstevel@tonic-gate extern void sctp_regift_xmitlist(sctp_t *); 10267c478bd9Sstevel@tonic-gate extern void sctp_return_heartbeat(sctp_t *, sctp_chunk_hdr_t *, mblk_t *); 10277c478bd9Sstevel@tonic-gate extern void sctp_rexmit(sctp_t *, sctp_faddr_t *); 1028769b977dSvi extern mblk_t *sctp_rexmit_packet(sctp_t *, mblk_t **, mblk_t **, 1029769b977dSvi sctp_faddr_t *, uint_t *); 10307c478bd9Sstevel@tonic-gate extern void sctp_rexmit_timer(sctp_t *, sctp_faddr_t *); 10317c478bd9Sstevel@tonic-gate extern sctp_faddr_t *sctp_rotate_faddr(sctp_t *, sctp_faddr_t *); 10327c478bd9Sstevel@tonic-gate 10337f093707Skcpoon extern boolean_t sctp_sack(sctp_t *, mblk_t *); 10347c478bd9Sstevel@tonic-gate extern int sctp_secure_restart_check(mblk_t *, sctp_chunk_hdr_t *, 1035bd670b35SErik Nordmark uint32_t, int, sctp_stack_t *, ip_recv_attr_t *); 10367c478bd9Sstevel@tonic-gate extern void sctp_send_abort(sctp_t *, uint32_t, uint16_t, char *, size_t, 1037bd670b35SErik Nordmark mblk_t *, int, boolean_t, ip_recv_attr_t *); 1038bd670b35SErik Nordmark extern void sctp_ootb_send_abort(uint32_t, uint16_t, char *, size_t, 1039bd670b35SErik Nordmark const mblk_t *, int, boolean_t, ip_recv_attr_t *, 1040bd670b35SErik Nordmark ip_stack_t *); 10417c478bd9Sstevel@tonic-gate extern void sctp_send_cookie_ack(sctp_t *); 1042bd670b35SErik Nordmark extern void sctp_send_cookie_echo(sctp_t *, sctp_chunk_hdr_t *, mblk_t *, 1043bd670b35SErik Nordmark ip_recv_attr_t *); 1044d7ab25acSkp extern void sctp_send_initack(sctp_t *, sctp_hdr_t *, sctp_chunk_hdr_t *, 1045bd670b35SErik Nordmark mblk_t *, ip_recv_attr_t *); 10467c478bd9Sstevel@tonic-gate extern void sctp_send_shutdown(sctp_t *, int); 10477c478bd9Sstevel@tonic-gate extern void sctp_send_heartbeat(sctp_t *, sctp_faddr_t *); 10487c478bd9Sstevel@tonic-gate extern void sctp_sendfail_event(sctp_t *, mblk_t *, int, boolean_t); 104977c67f2fSkcpoon extern void sctp_set_faddr_current(sctp_t *, sctp_faddr_t *); 105077c67f2fSkcpoon extern int sctp_set_hdraddrs(sctp_t *); 1051769b977dSvi extern void sctp_set_saddr(sctp_t *, sctp_faddr_t *); 105245916cd2Sjpk extern void sctp_sets_init(void); 105345916cd2Sjpk extern void sctp_sets_fini(void); 10547c478bd9Sstevel@tonic-gate extern void sctp_shutdown_event(sctp_t *); 10557c478bd9Sstevel@tonic-gate extern void sctp_stop_faddr_timers(sctp_t *); 105677c67f2fSkcpoon extern int sctp_shutdown_received(sctp_t *, sctp_chunk_hdr_t *, boolean_t, 105777c67f2fSkcpoon boolean_t, sctp_faddr_t *); 10587c478bd9Sstevel@tonic-gate extern void sctp_shutdown_complete(sctp_t *); 10597c478bd9Sstevel@tonic-gate extern void sctp_set_if_mtu(sctp_t *); 1060bd670b35SErik Nordmark extern void sctp_set_iplen(sctp_t *, mblk_t *, ip_xmit_attr_t *); 10617c478bd9Sstevel@tonic-gate extern void sctp_set_ulp_prop(sctp_t *); 106277c67f2fSkcpoon extern void sctp_ss_rexmit(sctp_t *); 10637c478bd9Sstevel@tonic-gate extern size_t sctp_supaddr_param_len(sctp_t *); 10647c478bd9Sstevel@tonic-gate extern size_t sctp_supaddr_param(sctp_t *, uchar_t *); 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate extern void sctp_timer(sctp_t *, mblk_t *, clock_t); 1067121e5416Skcpoon extern mblk_t *sctp_timer_alloc(sctp_t *, pfv_t, int); 10687c478bd9Sstevel@tonic-gate extern void sctp_timer_call(sctp_t *sctp, mblk_t *); 10697c478bd9Sstevel@tonic-gate extern void sctp_timer_free(mblk_t *); 10707c478bd9Sstevel@tonic-gate extern void sctp_timer_stop(mblk_t *); 10717c478bd9Sstevel@tonic-gate extern void sctp_unlink_faddr(sctp_t *, sctp_faddr_t *); 10727c478bd9Sstevel@tonic-gate 1073bd670b35SErik Nordmark extern void sctp_update_dce(sctp_t *sctp); 1074f4b3ec61Sdh extern in_port_t sctp_update_next_port(in_port_t, zone_t *zone, sctp_stack_t *); 10757c478bd9Sstevel@tonic-gate extern void sctp_update_rtt(sctp_t *, sctp_faddr_t *, clock_t); 1076e6f13f86SKacheong Poon extern void sctp_user_abort(sctp_t *, mblk_t *); 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate extern void sctp_validate_peer(sctp_t *); 10797c478bd9Sstevel@tonic-gate 10807c478bd9Sstevel@tonic-gate extern void sctp_wput_ioctl(queue_t *, mblk_t *); 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate extern int sctp_xmit_list_clean(sctp_t *, ssize_t); 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate extern void sctp_zap_addrs(sctp_t *); 10857c478bd9Sstevel@tonic-gate extern void sctp_zap_faddrs(sctp_t *, int); 10867c478bd9Sstevel@tonic-gate 10871d8c4025Svi /* Contract private interface between SCTP and Clustering - PSARC/2005/602 */ 10881d8c4025Svi 10891d8c4025Svi extern void (*cl_sctp_listen)(sa_family_t, uchar_t *, uint_t, in_port_t); 10901d8c4025Svi extern void (*cl_sctp_unlisten)(sa_family_t, uchar_t *, uint_t, in_port_t); 10911d8c4025Svi extern void (*cl_sctp_connect)(sa_family_t, uchar_t *, uint_t, in_port_t, 10921d8c4025Svi uchar_t *, uint_t, in_port_t, boolean_t, cl_sctp_handle_t); 10931d8c4025Svi extern void (*cl_sctp_disconnect)(sa_family_t, cl_sctp_handle_t); 10941d8c4025Svi extern void (*cl_sctp_assoc_change)(sa_family_t, uchar_t *, size_t, uint_t, 10951d8c4025Svi uchar_t *, size_t, uint_t, int, cl_sctp_handle_t); 10961d8c4025Svi extern void (*cl_sctp_check_addrs)(sa_family_t, in_port_t, uchar_t **, 10971d8c4025Svi size_t, uint_t *, boolean_t); 10981d8c4025Svi 10997c478bd9Sstevel@tonic-gate #define RUN_SCTP(sctp) \ 11007c478bd9Sstevel@tonic-gate { \ 11017c478bd9Sstevel@tonic-gate mutex_enter(&(sctp)->sctp_lock); \ 11027c478bd9Sstevel@tonic-gate while ((sctp)->sctp_running) \ 11037c478bd9Sstevel@tonic-gate cv_wait(&(sctp)->sctp_cv, &(sctp)->sctp_lock); \ 11047c478bd9Sstevel@tonic-gate (sctp)->sctp_running = B_TRUE; \ 11057c478bd9Sstevel@tonic-gate mutex_exit(&(sctp)->sctp_lock); \ 11067c478bd9Sstevel@tonic-gate } 11077c478bd9Sstevel@tonic-gate 11087c478bd9Sstevel@tonic-gate /* Wake up recvq taskq */ 11097c478bd9Sstevel@tonic-gate #define WAKE_SCTP(sctp) \ 11107c478bd9Sstevel@tonic-gate { \ 11117c478bd9Sstevel@tonic-gate mutex_enter(&(sctp)->sctp_lock); \ 11127c478bd9Sstevel@tonic-gate if ((sctp)->sctp_timer_mp != NULL) \ 11137c478bd9Sstevel@tonic-gate sctp_process_timer(sctp); \ 11147c478bd9Sstevel@tonic-gate (sctp)->sctp_running = B_FALSE; \ 11157c478bd9Sstevel@tonic-gate cv_broadcast(&(sctp)->sctp_cv); \ 11167c478bd9Sstevel@tonic-gate mutex_exit(&(sctp)->sctp_lock); \ 11177c478bd9Sstevel@tonic-gate } 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate #ifdef __cplusplus 11207c478bd9Sstevel@tonic-gate } 11217c478bd9Sstevel@tonic-gate #endif 11227c478bd9Sstevel@tonic-gate 11237c478bd9Sstevel@tonic-gate #endif /* _INET_SCTP_SCTP_IMPL_H */ 1124