1f8829a4aSRandall Stewart /*- 251369649SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 351369649SPedro F. Giffuni * 4b1006367SRandall Stewart * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. 5807aad63SMichael Tuexen * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. 6807aad63SMichael Tuexen * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. 7f8829a4aSRandall Stewart * 8f8829a4aSRandall Stewart * Redistribution and use in source and binary forms, with or without 9f8829a4aSRandall Stewart * modification, are permitted provided that the following conditions are met: 10f8829a4aSRandall Stewart * 11f8829a4aSRandall Stewart * a) Redistributions of source code must retain the above copyright notice, 12f8829a4aSRandall Stewart * this list of conditions and the following disclaimer. 13f8829a4aSRandall Stewart * 14f8829a4aSRandall Stewart * b) Redistributions in binary form must reproduce the above copyright 15f8829a4aSRandall Stewart * notice, this list of conditions and the following disclaimer in 16f8829a4aSRandall Stewart * the documentation and/or other materials provided with the distribution. 17f8829a4aSRandall Stewart * 18f8829a4aSRandall Stewart * c) Neither the name of Cisco Systems, Inc. nor the names of its 19f8829a4aSRandall Stewart * contributors may be used to endorse or promote products derived 20f8829a4aSRandall Stewart * from this software without specific prior written permission. 21f8829a4aSRandall Stewart * 22f8829a4aSRandall Stewart * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23f8829a4aSRandall Stewart * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 24f8829a4aSRandall Stewart * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25f8829a4aSRandall Stewart * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26f8829a4aSRandall Stewart * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27f8829a4aSRandall Stewart * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28f8829a4aSRandall Stewart * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29f8829a4aSRandall Stewart * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30f8829a4aSRandall Stewart * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31f8829a4aSRandall Stewart * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32f8829a4aSRandall Stewart * THE POSSIBILITY OF SUCH DAMAGE. 33f8829a4aSRandall Stewart */ 34f8829a4aSRandall Stewart 35807aad63SMichael Tuexen #ifndef _NETINET_SCTP_UTIL_H_ 36807aad63SMichael Tuexen #define _NETINET_SCTP_UTIL_H_ 37f8829a4aSRandall Stewart 38fc14de76SRandall Stewart #if defined(_KERNEL) || defined(__Userspace__) 39f8829a4aSRandall Stewart 40cfde3ff7SRandall Stewart #define SCTP_READ_LOCK_HELD 1 41cfde3ff7SRandall Stewart #define SCTP_READ_LOCK_NOT_HELD 0 42f8829a4aSRandall Stewart 43f1f73e57SRandall Stewart #ifdef SCTP_ASOCLOG_OF_TSNS 44f1f73e57SRandall Stewart void sctp_print_out_track_log(struct sctp_tcb *stcb); 45f1f73e57SRandall Stewart #endif 46f1f73e57SRandall Stewart 47478d3f09SRandall Stewart #ifdef SCTP_MBUF_LOGGING 48f8829a4aSRandall Stewart struct mbuf *sctp_m_free(struct mbuf *m); 49f8829a4aSRandall Stewart void sctp_m_freem(struct mbuf *m); 50f8829a4aSRandall Stewart #else 51f8829a4aSRandall Stewart #define sctp_m_free m_free 52f8829a4aSRandall Stewart #define sctp_m_freem m_freem 53f8829a4aSRandall Stewart #endif 54f8829a4aSRandall Stewart 55306c2ba3SMichael Tuexen #if defined(SCTP_LOCAL_TRACE_BUF) 56c4739e2fSRandall Stewart void 57b27a6b7dSRandall Stewart sctp_log_trace(uint32_t fr, const char *str SCTP_UNUSED, uint32_t a, uint32_t b, uint32_t c, uint32_t d, uint32_t e, uint32_t f); 58c4739e2fSRandall Stewart #endif 59f8829a4aSRandall Stewart 60f8829a4aSRandall Stewart #define sctp_get_associd(stcb) ((sctp_assoc_t)stcb->asoc.assoc_id) 61f8829a4aSRandall Stewart 62f8829a4aSRandall Stewart /* 63f8829a4aSRandall Stewart * Function prototypes 64f8829a4aSRandall Stewart */ 65e92c2a8dSMichael Tuexen int32_t 66e92c2a8dSMichael Tuexen sctp_map_assoc_state(int); 67e92c2a8dSMichael Tuexen 686a27c376SRandall Stewart uint32_t 696a27c376SRandall Stewart sctp_get_ifa_hash_val(struct sockaddr *addr); 706a27c376SRandall Stewart 710053ed28SMichael Tuexen struct sctp_ifa *sctp_find_ifa_in_ep(struct sctp_inpcb *inp, struct sockaddr *addr, int hold_lock); 7242551e99SRandall Stewart 730053ed28SMichael Tuexen struct sctp_ifa *sctp_find_ifa_by_addr(struct sockaddr *addr, uint32_t vrf_id, int holds_lock); 74f8829a4aSRandall Stewart 75f8829a4aSRandall Stewart uint32_t sctp_select_initial_TSN(struct sctp_pcb *); 76f8829a4aSRandall Stewart 77830d754dSRandall Stewart uint32_t sctp_select_a_tag(struct sctp_inpcb *, uint16_t lport, uint16_t rport, int); 78f8829a4aSRandall Stewart 79c7f048abSMichael Tuexen int sctp_init_asoc(struct sctp_inpcb *, struct sctp_tcb *, uint32_t, uint32_t, uint32_t, uint16_t); 80f8829a4aSRandall Stewart 81f8829a4aSRandall Stewart void sctp_fill_random_store(struct sctp_pcb *); 82f8829a4aSRandall Stewart 838745f898SMichael Tuexen /* 848745f898SMichael Tuexen * NOTE: sctp_timer_start() will increment the reference count of any relevant 858745f898SMichael Tuexen * structure the timer is referencing, in order to prevent a race condition 868745f898SMichael Tuexen * between the timer executing and the structure being freed. 878745f898SMichael Tuexen * 888745f898SMichael Tuexen * When the timer fires or sctp_timer_stop() is called, these references are 898745f898SMichael Tuexen * removed. 908745f898SMichael Tuexen */ 91c4e848b7SRandall Stewart void 92f8829a4aSRandall Stewart sctp_timer_start(int, struct sctp_inpcb *, struct sctp_tcb *, 93f8829a4aSRandall Stewart struct sctp_nets *); 94f8829a4aSRandall Stewart 956e55db54SRandall Stewart void 96f8829a4aSRandall Stewart sctp_timer_stop(int, struct sctp_inpcb *, struct sctp_tcb *, 97a5d547adSRandall Stewart struct sctp_nets *, uint32_t); 98f8829a4aSRandall Stewart 9942551e99SRandall Stewart int 10042551e99SRandall Stewart sctp_dynamic_set_primary(struct sockaddr *sa, uint32_t vrf_id); 10142551e99SRandall Stewart 102f8829a4aSRandall Stewart void 103b1deed45SMichael Tuexen sctp_wakeup_the_read_socket(struct sctp_inpcb *inp, struct sctp_tcb *stcb, 104b1deed45SMichael Tuexen int so_locked 105b1deed45SMichael Tuexen SCTP_UNUSED 106b1deed45SMichael Tuexen ); 10744249214SRandall Stewart 10844249214SRandall Stewart void 109f8829a4aSRandall Stewart sctp_add_to_readq(struct sctp_inpcb *inp, 110f8829a4aSRandall Stewart struct sctp_tcb *stcb, 111f8829a4aSRandall Stewart struct sctp_queued_to_read *control, 112f8829a4aSRandall Stewart struct sockbuf *sb, 113ceaad40aSRandall Stewart int end, 114cfde3ff7SRandall Stewart int inpread_locked, 11528397ac1SMichael Tuexen int so_locked); 116f8829a4aSRandall Stewart 11742551e99SRandall Stewart void sctp_iterator_worker(void); 11842551e99SRandall Stewart 119437fc91aSMichael Tuexen uint32_t sctp_get_prev_mtu(uint32_t); 1207215cc1bSMichael Tuexen uint32_t sctp_get_next_mtu(uint32_t); 121f8829a4aSRandall Stewart 122f8829a4aSRandall Stewart void 123f8829a4aSRandall Stewart sctp_timeout_handler(void *); 124f8829a4aSRandall Stewart 12544f2a327SMichael Tuexen int 126f8829a4aSRandall Stewart sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *, 1278c8e10b7SMichael Tuexen struct sctp_nets *, struct timeval *, int); 128f8829a4aSRandall Stewart 129f8829a4aSRandall Stewart uint32_t sctp_calculate_len(struct mbuf *); 130f8829a4aSRandall Stewart 131f8829a4aSRandall Stewart caddr_t sctp_m_getptr(struct mbuf *, int, int, uint8_t *); 132f8829a4aSRandall Stewart 133f8829a4aSRandall Stewart struct sctp_paramhdr * 134f8829a4aSRandall Stewart sctp_get_next_param(struct mbuf *, int, 135f8829a4aSRandall Stewart struct sctp_paramhdr *, int); 136f8829a4aSRandall Stewart 1370053ed28SMichael Tuexen struct mbuf *sctp_add_pad_tombuf(struct mbuf *, int); 138f8829a4aSRandall Stewart 1390053ed28SMichael Tuexen struct mbuf *sctp_pad_lastmbuf(struct mbuf *, int, struct mbuf *); 140f8829a4aSRandall Stewart 14128397ac1SMichael Tuexen void sctp_ulp_notify(uint32_t, struct sctp_tcb *, uint32_t, void *, int); 142f8829a4aSRandall Stewart 143f8829a4aSRandall Stewart void 144f8829a4aSRandall Stewart sctp_pull_off_control_to_new_inp(struct sctp_inpcb *old_inp, 145f8829a4aSRandall Stewart struct sctp_inpcb *new_inp, 146d06c82f1SRandall Stewart struct sctp_tcb *stcb, int waitflags); 147f8829a4aSRandall Stewart 148f8829a4aSRandall Stewart void sctp_stop_timers_for_shutdown(struct sctp_tcb *); 149f8829a4aSRandall Stewart 1505555400aSMichael Tuexen /* Stop all timers for association and remote addresses. */ 1518803350dSMichael Tuexen void sctp_stop_association_timers(struct sctp_tcb *, bool); 1525555400aSMichael Tuexen 153f5d30f7fSMichael Tuexen void sctp_report_all_outbound(struct sctp_tcb *, uint16_t, int); 154f8829a4aSRandall Stewart 1550696e120SRandall Stewart int sctp_expand_mapping_array(struct sctp_association *, uint32_t); 156f8829a4aSRandall Stewart 157ceaad40aSRandall Stewart void 158105b68b4SMichael Tuexen sctp_abort_notification(struct sctp_tcb *, bool, bool, uint16_t, 15928397ac1SMichael Tuexen struct sctp_abort_chunk *, int); 160f8829a4aSRandall Stewart 161f8829a4aSRandall Stewart /* We abort responding to an IP packet for some reason */ 162f8829a4aSRandall Stewart void 163f30ac432SMichael Tuexen sctp_abort_association(struct sctp_inpcb *, struct sctp_tcb *, struct mbuf *, 164b1754ad1SMichael Tuexen int, struct sockaddr *, struct sockaddr *, 165b1754ad1SMichael Tuexen struct sctphdr *, struct mbuf *, 166f30ac432SMichael Tuexen uint8_t, uint32_t, 167f30ac432SMichael Tuexen uint32_t, uint16_t); 16817205eccSRandall Stewart 169f8829a4aSRandall Stewart /* We choose to abort via user input */ 170f8829a4aSRandall Stewart void 171a2b42326SMichael Tuexen sctp_abort_an_association(struct sctp_inpcb *, struct sctp_tcb *, 172105b68b4SMichael Tuexen struct mbuf *, bool, int); 173f8829a4aSRandall Stewart 174f8829a4aSRandall Stewart void 175b1754ad1SMichael Tuexen sctp_handle_ootb(struct mbuf *, int, int, 176b1754ad1SMichael Tuexen struct sockaddr *, struct sockaddr *, 177b1754ad1SMichael Tuexen struct sctphdr *, struct sctp_inpcb *, 178ff1ffd74SMichael Tuexen struct mbuf *, 179d089f9b9SMichael Tuexen uint8_t, uint32_t, uint16_t, 180f30ac432SMichael Tuexen uint32_t, uint16_t); 18117205eccSRandall Stewart 182d61a0ae0SRandall Stewart int 183d61a0ae0SRandall Stewart sctp_connectx_helper_add(struct sctp_tcb *stcb, struct sockaddr *addr, 184d61a0ae0SRandall Stewart int totaddr, int *error); 18517205eccSRandall Stewart 186fc26bf71SMichael Tuexen int 187fc26bf71SMichael Tuexen sctp_connectx_helper_find(struct sctp_inpcb *, struct sockaddr *, 188fc26bf71SMichael Tuexen unsigned int, unsigned int *, unsigned int *, unsigned int); 189f8829a4aSRandall Stewart 190f8829a4aSRandall Stewart int sctp_is_there_an_abort_here(struct mbuf *, int, uint32_t *); 1915e2c2d87SRandall Stewart #ifdef INET6 192f8829a4aSRandall Stewart uint32_t sctp_is_same_scope(struct sockaddr_in6 *, struct sockaddr_in6 *); 193f42a358aSRandall Stewart 1940053ed28SMichael Tuexen struct sockaddr_in6 *sctp_recover_scope(struct sockaddr_in6 *, struct sockaddr_in6 *); 195f8829a4aSRandall Stewart 196f8829a4aSRandall Stewart #define sctp_recover_scope_mac(addr, store) do { \ 197f8829a4aSRandall Stewart if ((addr->sin6_family == AF_INET6) && \ 198f42a358aSRandall Stewart (IN6_IS_SCOPE_LINKLOCAL(&addr->sin6_addr))) { \ 199f8829a4aSRandall Stewart *store = *addr; \ 200f42a358aSRandall Stewart if (addr->sin6_scope_id == 0) { \ 201f8829a4aSRandall Stewart if (!sa6_recoverscope(store)) { \ 202f8829a4aSRandall Stewart addr = store; \ 203f8829a4aSRandall Stewart } \ 204f42a358aSRandall Stewart } else { \ 205f42a358aSRandall Stewart in6_clearscope(&addr->sin6_addr); \ 206f42a358aSRandall Stewart addr = store; \ 207f42a358aSRandall Stewart } \ 208f8829a4aSRandall Stewart } \ 209f8829a4aSRandall Stewart } while (0) 2105e2c2d87SRandall Stewart #endif 211f8829a4aSRandall Stewart 212f8829a4aSRandall Stewart int sctp_cmpaddr(struct sockaddr *, struct sockaddr *); 213f8829a4aSRandall Stewart 214f8829a4aSRandall Stewart void sctp_print_address(struct sockaddr *); 215f8829a4aSRandall Stewart 216f8829a4aSRandall Stewart int 217f8829a4aSRandall Stewart sctp_release_pr_sctp_chunk(struct sctp_tcb *, struct sctp_tmit_chunk *, 21828397ac1SMichael Tuexen uint8_t, int); 219f8829a4aSRandall Stewart 220ff1ffd74SMichael Tuexen struct mbuf *sctp_generate_cause(uint16_t, char *); 22132451da4SMichael Tuexen struct mbuf *sctp_generate_no_user_data_cause(uint32_t); 222f8829a4aSRandall Stewart 22335918f85SRandall Stewart void 22435918f85SRandall Stewart sctp_bindx_add_address(struct socket *so, struct sctp_inpcb *inp, 2257621bd5eSMichael Tuexen struct sockaddr *sa, uint32_t vrf_id, int *error, 2267621bd5eSMichael Tuexen void *p); 22735918f85SRandall Stewart void 2287621bd5eSMichael Tuexen sctp_bindx_delete_address(struct sctp_inpcb *inp, struct sockaddr *sa, 22935918f85SRandall Stewart uint32_t vrf_id, int *error); 230f8829a4aSRandall Stewart 2311b649582SRandall Stewart int sctp_local_addr_count(struct sctp_tcb *stcb); 2321b649582SRandall Stewart 233f8829a4aSRandall Stewart void 234f8829a4aSRandall Stewart sctp_free_bufspace(struct sctp_tcb *, struct sctp_association *, 23580fefe0aSRandall Stewart struct sctp_tmit_chunk *, int); 236f8829a4aSRandall Stewart 237f8829a4aSRandall Stewart #define sctp_free_spbufspace(stcb, asoc, sp) \ 238f8829a4aSRandall Stewart do { \ 239f8829a4aSRandall Stewart if (sp->data != NULL) { \ 240f8829a4aSRandall Stewart if ((asoc)->total_output_queue_size >= sp->length) { \ 241ad81507eSRandall Stewart atomic_subtract_int(&(asoc)->total_output_queue_size, sp->length); \ 242f8829a4aSRandall Stewart } else { \ 243f8829a4aSRandall Stewart (asoc)->total_output_queue_size = 0; \ 244f8829a4aSRandall Stewart } \ 245f8829a4aSRandall Stewart if (stcb->sctp_socket && ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \ 246f8829a4aSRandall Stewart (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \ 247c6207881SMichael Tuexen SCTP_SB_DECR(&stcb->sctp_socket->so_snd, sp->length); \ 248f8829a4aSRandall Stewart } \ 249f8829a4aSRandall Stewart } \ 250f8829a4aSRandall Stewart } while (0) 251f8829a4aSRandall Stewart 252f8829a4aSRandall Stewart #define sctp_snd_sb_alloc(stcb, sz) \ 253f8829a4aSRandall Stewart do { \ 254f8829a4aSRandall Stewart atomic_add_int(&stcb->asoc.total_output_queue_size,sz); \ 255f8829a4aSRandall Stewart if ((stcb->sctp_socket != NULL) && \ 256f8829a4aSRandall Stewart ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || \ 257f8829a4aSRandall Stewart (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) { \ 258c6207881SMichael Tuexen SCTP_SB_INCR(&stcb->sctp_socket->so_snd, sz); \ 259f8829a4aSRandall Stewart } \ 260f8829a4aSRandall Stewart } while (0) 261f8829a4aSRandall Stewart 262ea5eba11SMichael Tuexen /* functions to start/stop udp tunneling */ 263c54a18d2SRandall Stewart void sctp_over_udp_stop(void); 264c54a18d2SRandall Stewart int sctp_over_udp_start(void); 265f8829a4aSRandall Stewart 266f8829a4aSRandall Stewart int 267f8829a4aSRandall Stewart sctp_soreceive(struct socket *so, struct sockaddr **psa, 268f8829a4aSRandall Stewart struct uio *uio, 269f8829a4aSRandall Stewart struct mbuf **mp0, 270f8829a4aSRandall Stewart struct mbuf **controlp, 271f8829a4aSRandall Stewart int *flagsp); 272f8829a4aSRandall Stewart 273f8829a4aSRandall Stewart void 274f8829a4aSRandall Stewart sctp_misc_ints(uint8_t from, uint32_t a, uint32_t b, uint32_t c, uint32_t d); 275f8829a4aSRandall Stewart 276f8829a4aSRandall Stewart void 277f8829a4aSRandall Stewart sctp_wakeup_log(struct sctp_tcb *stcb, 278f8829a4aSRandall Stewart uint32_t wake_cnt, int from); 279f8829a4aSRandall Stewart 2806a91f103SRandall Stewart void sctp_log_strm_del_alt(struct sctp_tcb *stcb, uint32_t, uint16_t, uint16_t, int); 281f8829a4aSRandall Stewart 282f8829a4aSRandall Stewart void sctp_log_nagle_event(struct sctp_tcb *stcb, int action); 283f8829a4aSRandall Stewart 2844be807c4SMichael Tuexen #ifdef SCTP_MBUF_LOGGING 285f8829a4aSRandall Stewart void 286f8829a4aSRandall Stewart sctp_log_mb(struct mbuf *m, int from); 287f8829a4aSRandall Stewart 288f8829a4aSRandall Stewart void 2894be807c4SMichael Tuexen sctp_log_mbc(struct mbuf *m, int from); 2904be807c4SMichael Tuexen #endif 2914be807c4SMichael Tuexen 2924be807c4SMichael Tuexen void 293f8829a4aSRandall Stewart sctp_sblog(struct sockbuf *sb, 294f8829a4aSRandall Stewart struct sctp_tcb *stcb, int from, int incr); 295f8829a4aSRandall Stewart 296f8829a4aSRandall Stewart void 297f8829a4aSRandall Stewart sctp_log_strm_del(struct sctp_queued_to_read *control, 298f8829a4aSRandall Stewart struct sctp_queued_to_read *poschk, 299f8829a4aSRandall Stewart int from); 300f8829a4aSRandall Stewart void sctp_log_cwnd(struct sctp_tcb *stcb, struct sctp_nets *, int, uint8_t); 301f8829a4aSRandall Stewart void rto_logging(struct sctp_nets *net, int from); 302f8829a4aSRandall Stewart 303f8829a4aSRandall Stewart void sctp_log_closing(struct sctp_inpcb *inp, struct sctp_tcb *stcb, int16_t loc); 304f8829a4aSRandall Stewart 305f8829a4aSRandall Stewart void sctp_log_lock(struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint8_t from); 306f8829a4aSRandall Stewart void sctp_log_maxburst(struct sctp_tcb *stcb, struct sctp_nets *, int, int, uint8_t); 30758e6eeefSMichael Tuexen void sctp_log_block(uint8_t, struct sctp_association *, ssize_t); 308f8829a4aSRandall Stewart void sctp_log_rwnd(uint8_t, uint32_t, uint32_t, uint32_t); 309f8829a4aSRandall Stewart void sctp_log_rwnd_set(uint8_t, uint32_t, uint32_t, uint32_t, uint32_t); 31042551e99SRandall Stewart int sctp_fill_stat_log(void *, size_t *); 311f8829a4aSRandall Stewart void sctp_log_fr(uint32_t, uint32_t, uint32_t, int); 312f8829a4aSRandall Stewart void sctp_log_sack(uint32_t, uint32_t, uint32_t, uint16_t, uint16_t, int); 313f8829a4aSRandall Stewart void sctp_log_map(uint32_t, uint32_t, uint32_t, int); 3140e13104dSRandall Stewart void sctp_print_mapping_array(struct sctp_association *asoc); 315f8829a4aSRandall Stewart void sctp_clr_stat_log(void); 316f8829a4aSRandall Stewart 317f8829a4aSRandall Stewart #ifdef SCTP_AUDITING_ENABLED 318f8829a4aSRandall Stewart void 319f8829a4aSRandall Stewart sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *, 320f8829a4aSRandall Stewart struct sctp_nets *); 321f8829a4aSRandall Stewart void sctp_audit_log(uint8_t, uint8_t); 322f8829a4aSRandall Stewart 323f8829a4aSRandall Stewart #endif 32410e0318aSMichael Tuexen uint32_t sctp_min_mtu(uint32_t, uint32_t, uint32_t); 32510e0318aSMichael Tuexen void sctp_hc_set_mtu(union sctp_sockstore *, uint16_t, uint32_t); 32610e0318aSMichael Tuexen uint32_t sctp_hc_get_mtu(union sctp_sockstore *, uint16_t); 3271a0b0216SMichael Tuexen void sctp_set_state(struct sctp_tcb *, int); 3281a0b0216SMichael Tuexen void sctp_add_substate(struct sctp_tcb *, int); 32925ec3553SMichael Tuexen uint32_t sctp_ticks_to_msecs(uint32_t); 33025ec3553SMichael Tuexen uint32_t sctp_msecs_to_ticks(uint32_t); 33125ec3553SMichael Tuexen uint32_t sctp_ticks_to_secs(uint32_t); 33225ec3553SMichael Tuexen uint32_t sctp_secs_to_ticks(uint32_t); 33325ec3553SMichael Tuexen 334f8829a4aSRandall Stewart #endif /* _KERNEL */ 335f8829a4aSRandall Stewart #endif 336