sctputil.h revision 1.2
1 /* $KAME: sctputil.h,v 1.15 2005/03/06 16:04:19 itojun Exp $ */ 2 /* $NetBSD: sctputil.h,v 1.2 2016/05/22 23:04:27 rjs Exp $ */ 3 4 #ifndef __SCTPUTIL_H__ 5 #define __SCTPUTIL_H__ 6 7 /* 8 * Copyright (C) 2002, 2003, 2004 Cisco Systems Inc, 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the project nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #if defined(_KERNEL) 37 38 #ifdef SCTP_MBUF_DEBUG 39 #define sctp_m_freem(m) do { \ 40 printf("m_freem(%p) m->nxtpkt:%p at %s[%d]\n", \ 41 (m), (m)->m_next, __FILE__, __LINE__); \ 42 m_freem(m); \ 43 } while (0); 44 #else 45 #define sctp_m_freem m_freem 46 #endif 47 48 #define sctp_m_copym m_copym 49 50 /* 51 * Zone(pool) allocation routines: MUST be defined for each OS 52 * zone = zone/pool pointer 53 * name = string name of the zone/pool 54 * size = size of each zone/pool element 55 * number = number of elements in zone/pool 56 */ 57 #if defined(__FreeBSD__) 58 #if __FreeBSD_version >= 500000 59 #include <vm/uma.h> 60 #else 61 #include <vm/vm_zone.h> 62 #endif 63 #elif defined(__NetBSD__) || defined(__OpenBSD__) 64 #include <sys/pool.h> 65 #endif 66 67 /* SCTP_ZONE_INIT: initialize the zone */ 68 #if defined(__FreeBSD__) 69 #if __FreeBSD_version >= 500000 70 #define UMA_ZFLAG_FULL 0x0020 71 #define SCTP_ZONE_INIT(zone, name, size, number) { \ 72 zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\ 73 UMA_ZFLAG_FULL); \ 74 uma_zone_set_max(zone, number); \ 75 } 76 #else 77 #define SCTP_ZONE_INIT(zone, name, size, number) \ 78 zone = zinit(name, size, number, ZONE_INTERRUPT, 0); 79 #endif 80 #elif defined(__APPLE__) 81 #define SCTP_ZONE_INIT(zone, name, size, number) \ 82 zone = (void *)zinit(size, number * size, number, name); 83 #elif defined(__OpenBSD__) || defined(__NetBSD__) 84 #define SCTP_ZONE_INIT(zone, name, size, number) \ 85 pool_init(&(zone), size, 0, 0, 0, name, NULL, IPL_NET); 86 #else 87 /* don't know this OS! */ 88 force_comile_error; 89 #endif 90 91 /* SCTP_ZONE_GET: allocate element from the zone */ 92 #if defined(__FreeBSD__) 93 #if __FreeBSD_version >= 500000 94 #define SCTP_ZONE_GET(zone) \ 95 uma_zalloc(zone, M_NOWAIT); 96 #else 97 #define SCTP_ZONE_GET(zone) \ 98 zalloci(zone); 99 #endif 100 #elif defined(__APPLE__) 101 #define SCTP_ZONE_GET(zone) \ 102 zalloc(zone); 103 #elif defined(__NetBSD__) || defined(__OpenBSD__) 104 #define SCTP_ZONE_GET(zone) \ 105 pool_get(&zone, PR_NOWAIT); 106 #else 107 /* don't know this OS! */ 108 force_comile_error; 109 #endif 110 111 /* SCTP_ZONE_FREE: free element from the zone */ 112 #if defined(__FreeBSD__) 113 #if __FreeBSD_version >= 500000 114 #define SCTP_ZONE_FREE(zone, element) \ 115 uma_zfree(zone, element); 116 #else 117 #define SCTP_ZONE_FREE(zone, element) \ 118 zfreei(zone, element); 119 #endif 120 #elif defined(__APPLE__) 121 #define SCTP_ZONE_FREE(zone, element) \ 122 zfree(zone, element); 123 #elif defined(__NetBSD__) || defined(__OpenBSD__) 124 #define SCTP_ZONE_FREE(zone, element) \ 125 pool_put(&zone, element); 126 #else 127 /* don't know this OS! */ 128 force_comile_error; 129 #endif 130 131 #define sctp_get_associd(stcb) ((sctp_assoc_t)stcb->asoc.my_vtag) 132 133 /* 134 * Function prototypes 135 */ 136 struct ifaddr *sctp_find_ifa_by_addr(struct sockaddr *sa); 137 138 u_int32_t sctp_select_initial_TSN(struct sctp_pcb *); 139 140 u_int32_t sctp_select_a_tag(struct sctp_inpcb *); 141 142 int sctp_init_asoc(struct sctp_inpcb *, struct sctp_association *, int, uint32_t); 143 144 void sctp_fill_random_store(struct sctp_pcb *); 145 146 int sctp_timer_start(int, struct sctp_inpcb *, struct sctp_tcb *, 147 struct sctp_nets *); 148 149 int sctp_timer_stop(int, struct sctp_inpcb *, struct sctp_tcb *, 150 struct sctp_nets *); 151 152 u_int32_t sctp_calculate_sum(struct mbuf *, int32_t *, u_int32_t); 153 154 void sctp_mtu_size_reset(struct sctp_inpcb *, struct sctp_association *, 155 u_long); 156 157 int find_next_best_mtu(int); 158 159 u_int32_t sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *, 160 struct sctp_nets *, struct timeval *); 161 162 u_int32_t sctp_calculate_len(struct mbuf *); 163 164 void *sctp_m_getptr(struct mbuf *, int, int, u_int8_t *); 165 166 struct sctp_paramhdr *sctp_get_next_param(struct mbuf *, int, 167 struct sctp_paramhdr *, int); 168 169 int sctp_add_pad_tombuf(struct mbuf *, int); 170 171 int sctp_pad_lastmbuf(struct mbuf *, int); 172 173 void sctp_ulp_notify(u_int32_t, struct sctp_tcb *, u_int32_t, void *); 174 175 void sctp_report_all_outbound(struct sctp_tcb *); 176 177 int sctp_expand_mapping_array(struct sctp_association *); 178 179 void sctp_abort_notification(struct sctp_tcb *, int); 180 181 /* We abort responding to an IP packet for some reason */ 182 void sctp_abort_association(struct sctp_inpcb *, struct sctp_tcb *, 183 struct mbuf *, int, struct sctphdr *, struct mbuf *); 184 185 /* We choose to abort via user input */ 186 void sctp_abort_an_association(struct sctp_inpcb *, struct sctp_tcb *, int, 187 struct mbuf *); 188 189 void sctp_handle_ootb(struct mbuf *, int, int, struct sctphdr *, 190 struct sctp_inpcb *, struct mbuf *); 191 192 int sctp_is_there_an_abort_here(struct mbuf *, int, int *); 193 uint32_t sctp_is_same_scope(const struct sockaddr_in6 *, 194 const struct sockaddr_in6 *); 195 const struct sockaddr_in6 *sctp_recover_scope(const struct sockaddr_in6 *, 196 struct sockaddr_in6 *); 197 198 int sctp_cmpaddr(const struct sockaddr *, const struct sockaddr *); 199 200 void sctp_print_address(const struct sockaddr *); 201 void sctp_print_address_pkt(struct ip *, struct sctphdr *); 202 203 int sbappendaddr_nocheck(struct sockbuf *, const struct sockaddr *, 204 struct mbuf *, struct mbuf *, u_int32_t, struct sctp_inpcb *); 205 206 207 int sctp_release_pr_sctp_chunk(struct sctp_tcb *, struct sctp_tmit_chunk *, 208 int, struct sctpchunk_listhead *); 209 210 struct mbuf *sctp_generate_invmanparam(int); 211 212 /* 213 * this is an evil layer violation that I think is a hack.. but I stand 214 * alone on the tsvwg in this thought... everyone else considers it part 215 * of the sockets layer (along with all of the peeloff code :<) 216 */ 217 u_int32_t sctp_get_first_vtag_from_sb(struct socket *); 218 219 220 void sctp_grub_through_socket_buffer(struct sctp_inpcb *, struct socket *, 221 struct socket *, struct sctp_tcb *); 222 223 void sctp_free_bufspace(struct sctp_tcb *, struct sctp_association *, 224 struct sctp_tmit_chunk *); 225 226 #ifdef SCTP_STAT_LOGGING 227 void sctp_log_strm_del_alt(u_int32_t, u_int16_t, int); 228 229 void sctp_log_strm_del(struct sctp_tmit_chunk *, struct sctp_tmit_chunk *, int); 230 void sctp_log_cwnd(struct sctp_nets *, int, uint8_t); 231 void sctp_log_maxburst(struct sctp_nets *, int, int, uint8_t); 232 void sctp_log_block(uint8_t, struct socket *, struct sctp_association *); 233 void sctp_log_rwnd(uint8_t, u_int32_t, u_int32_t, u_int32_t ); 234 void sctp_log_mbcnt(uint8_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); 235 void sctp_log_rwnd_set(uint8_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t); 236 int sctp_fill_stat_log(struct mbuf *); 237 void sctp_log_fr(uint32_t, uint32_t, uint32_t, int); 238 void sctp_log_map(uint32_t, uint32_t, uint32_t, int); 239 240 void sctp_clr_stat_log(void); 241 242 #endif 243 244 #ifdef SCTP_AUDITING_ENABLED 245 void sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *, 246 struct sctp_nets *); 247 void sctp_audit_log(u_int8_t, u_int8_t); 248 249 #endif 250 251 #ifdef SCTP_BASE_FREEBSD 252 /* Note: these are in <sys/time.h>, but not in kernel space */ 253 #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 254 #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 255 #define timercmp(tvp, uvp, cmp) \ 256 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 257 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 258 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 259 #define timeradd(tvp, uvp, vvp) \ 260 do { \ 261 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 262 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 263 if ((vvp)->tv_usec >= 1000000) { \ 264 (vvp)->tv_sec++; \ 265 (vvp)->tv_usec -= 1000000; \ 266 } \ 267 } while (/* CONSTCOND */ 0) 268 #define timersub(tvp, uvp, vvp) \ 269 do { \ 270 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 271 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 272 if ((vvp)->tv_usec < 0) { \ 273 (vvp)->tv_sec--; \ 274 (vvp)->tv_usec += 1000000; \ 275 } \ 276 } while (/* CONSTCOND */ 0) 277 #endif /* SCTP_BASE_FREEBSD */ 278 279 #endif /* _KERNEL */ 280 #endif 281
Indexes created Mon Sep 22 13:09:51 GMT 2025