1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/stream.h> 31 #define _SUN_TPI_VERSION 2 32 #include <sys/tihdr.h> 33 #include <sys/socket.h> 34 #include <sys/xti_xtiopt.h> 35 #include <sys/xti_inet.h> 36 37 #include <inet/common.h> 38 #include <netinet/ip6.h> 39 #include <inet/ip.h> 40 /* 41 * MK_XXX Following 2 includes temporary to import ip6_rthdr_t 42 * definition. May not be needed if we fix ip6_dg_snd_attrs_t 43 * to do all extension headers in identical manner. 44 */ 45 #include <net/if.h> 46 #include <inet/ip6.h> 47 48 #include <netinet/in.h> 49 #include <netinet/tcp.h> 50 #include <netinet/udp.h> 51 #include <netinet/ip_mroute.h> 52 #include <inet/optcom.h> 53 54 extern int udp_opt_default(queue_t *q, t_scalar_t level, t_scalar_t name, 55 uchar_t *ptr); 56 extern int udp_opt_get(queue_t *q, t_scalar_t level, t_scalar_t name, 57 uchar_t *ptr); 58 extern int udp_opt_set(queue_t *q, uint_t optset_context, 59 int level, int name, uint_t inlen, uchar_t *invalp, uint_t *outlenp, 60 uchar_t *outvalp, void *thisdg_attrs, cred_t *cr, mblk_t *mblk); 61 62 /* 63 * Table of all known options handled on a UDP protocol stack. 64 * 65 * Note: This table contains options processed by both UDP and IP levels 66 * and is the superset of options that can be performed on a UDP over IP 67 * stack. 68 */ 69 opdes_t udp_opt_arr[] = { 70 71 { SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 72 { SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 73 { SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 74 }, 75 { SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 76 { SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 77 { SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 78 { SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 79 { SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 80 { SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 81 0 }, 82 { SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 83 }, 84 { IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 85 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 40, -1 /* not initialized */ }, 86 { T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 87 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 40, -1 /* not initialized */ }, 88 89 { IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 90 { T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 91 { IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 92 { IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 93 { IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 94 }, 95 { IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 96 { IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 }, 97 { IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 98 0 }, 99 { IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 100 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 101 102 { IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 103 sizeof (uchar_t), -1 /* not initialized */}, 104 105 { IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 106 sizeof (uchar_t), -1 /* not initialized */ }, 107 108 { IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 109 sizeof (struct ip_mreq), -1 /* not initialized */ }, 110 111 { IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 112 sizeof (struct ip_mreq), -1 /* not initialized */ }, 113 114 { IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 115 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 116 117 { IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 118 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 119 120 { IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 121 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, 122 123 { IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 124 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct ip_mreq_source), -1 }, 125 126 { IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 127 sizeof (ipsec_req_t), -1 /* not initialized */ }, 128 129 { IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 130 sizeof (int), 0 /* no ifindex */ }, 131 { IP_XMIT_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 132 sizeof (int), 0 /* no ifindex */ }, 133 134 { IP_DONTFAILOVER_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 135 sizeof (struct in_addr), 0 /* not initialized */ }, 136 137 { IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 138 sizeof (int), 0 }, 139 140 { MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 141 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 142 -1 /* not initialized */ }, 143 { MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 144 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 145 -1 /* not initialized */ }, 146 { MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 147 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 148 -1 /* not initialized */ }, 149 { MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 150 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 151 -1 /* not initialized */ }, 152 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 153 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 154 -1 /* not initialized */ }, 155 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 156 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 157 -1 /* not initialized */ }, 158 159 { IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 160 sizeof (int), 0 }, 161 162 { IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 163 (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */ }, 164 165 { IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 166 (OP_PASSNEXT|OP_DEF_FN), sizeof (int), -1 /* not initialized */}, 167 168 { IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 169 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 170 171 { IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 172 (OP_PASSNEXT|OP_NODEFAULT), 173 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 174 175 { IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_DEF_FN), 176 sizeof (int), -1 /* not initialized */ }, 177 178 { IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 179 sizeof (int), 0 /* no ifindex */ }, 180 181 { IPV6_BOUND_PIF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 182 sizeof (int), 0 /* no ifindex */ }, 183 184 { IPV6_DONTFAILOVER_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 185 sizeof (int), 0 /* no ifindex */ }, 186 187 { IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, OP_PASSNEXT, 188 sizeof (int), 0 }, 189 190 { IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 191 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 192 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 193 { IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 194 (OP_PASSNEXT|OP_NODEFAULT), 195 sizeof (int), -1 /* not initialized */ }, 196 { IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 197 (OP_PASSNEXT|OP_NODEFAULT|OP_VARLEN), 198 sizeof (sin6_t), -1 /* not initialized */ }, 199 { IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 200 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 201 MAX_EHDR_LEN, -1 /* not initialized */ }, 202 { IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 203 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 204 MAX_EHDR_LEN, -1 /* not initialized */ }, 205 { IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 206 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 207 MAX_EHDR_LEN, -1 /* not initialized */ }, 208 { IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 209 (OP_PASSNEXT|OP_VARLEN|OP_NODEFAULT), 210 MAX_EHDR_LEN, -1 /* not initialized */ }, 211 { IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 212 (OP_PASSNEXT|OP_NODEFAULT), 213 sizeof (int), -1 /* not initialized */ }, 214 { IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 215 (OP_PASSNEXT|OP_NODEFAULT), 216 sizeof (int), -1 /* not initialized */ }, 217 { IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 218 sizeof (int), 0 }, 219 { IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 220 sizeof (int), 0 }, 221 { IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 222 sizeof (int), 0 }, 223 224 { IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 225 sizeof (int), 0 }, 226 { IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 227 sizeof (int), 0 }, 228 { IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 229 sizeof (int), 0 }, 230 { _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 231 sizeof (int), 0 }, 232 { IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 233 sizeof (int), 0 }, 234 { IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 235 sizeof (int), 0 }, 236 { IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 237 sizeof (int), 0 }, 238 { IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 239 OP_PASSNEXT, sizeof (int), 0 }, 240 { IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 241 sizeof (int), 0 }, 242 243 { IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, (OP_PASSNEXT|OP_NODEFAULT), 244 sizeof (ipsec_req_t), -1 /* not initialized */ }, 245 { IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, 246 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 247 248 { MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 249 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 250 -1 /* not initialized */ }, 251 { MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 252 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_req), 253 -1 /* not initialized */ }, 254 { MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 255 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 256 -1 /* not initialized */ }, 257 { MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 258 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 259 -1 /* not initialized */ }, 260 { MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 261 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 262 -1 /* not initialized */ }, 263 { MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 264 (OP_PASSNEXT|OP_NODEFAULT), sizeof (struct group_source_req), 265 -1 /* not initialized */ }, 266 267 { UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, OP_PASSNEXT, 268 sizeof (int), 0 }, 269 { UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, OP_PASSNEXT, sizeof (int), 0 270 }, 271 { UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 272 }, 273 }; 274 275 /* 276 * Table of all supported levels 277 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 278 * any supported options so we need this info separately. 279 * 280 * This is needed only for topmost tpi providers and is used only by 281 * XTI interfaces. 282 */ 283 optlevel_t udp_valid_levels_arr[] = { 284 XTI_GENERIC, 285 SOL_SOCKET, 286 IPPROTO_UDP, 287 IPPROTO_IP, 288 IPPROTO_IPV6 289 }; 290 291 #define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr) 292 #define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr) 293 294 uint_t udp_max_optsize; /* initialized when UDP driver is loaded */ 295 296 /* 297 * Initialize option database object for UDP 298 * 299 * This object represents database of options to search passed to 300 * {sock,tpi}optcom_req() interface routine to take care of option 301 * management and associated methods. 302 */ 303 304 optdb_obj_t udp_opt_obj = { 305 udp_opt_default, /* UDP default value function pointer */ 306 udp_opt_get, /* UDP get function pointer */ 307 udp_opt_set, /* UDP set function pointer */ 308 B_TRUE, /* UDP is tpi provider */ 309 UDP_OPT_ARR_CNT, /* UDP option database count of entries */ 310 udp_opt_arr, /* UDP option database */ 311 UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */ 312 udp_valid_levels_arr /* UDP valid level array */ 313 }; 314