udp_opt_data.c revision 11134:8aa0c4ca6639
1284990Scy/* 2284990Scy * CDDL HEADER START 3284990Scy * 4284990Scy * The contents of this file are subject to the terms of the 5284990Scy * Common Development and Distribution License (the "License"). 6284990Scy * You may not use this file except in compliance with the License. 7284990Scy * 8284990Scy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9284990Scy * or http://www.opensolaris.org/os/licensing. 10284990Scy * See the License for the specific language governing permissions 11284990Scy * and limitations under the License. 12284990Scy * 13284990Scy * When distributing Covered Code, include this CDDL HEADER in each 14284990Scy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15284990Scy * If applicable, add the following below this CDDL HEADER, with the 16284990Scy * fields enclosed by brackets "[]" replaced with your own identifying 17284990Scy * information: Portions Copyright [yyyy] [name of copyright owner] 18284990Scy * 19284990Scy * CDDL HEADER END 20284990Scy */ 21284990Scy/* 22284990Scy * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23284990Scy * Use is subject to license terms. 24284990Scy */ 25284990Scy 26284990Scy#include <sys/types.h> 27284990Scy#include <sys/stream.h> 28284990Scy#define _SUN_TPI_VERSION 2 29284990Scy#include <sys/tihdr.h> 30284990Scy#include <sys/socket.h> 31284990Scy#include <sys/xti_xtiopt.h> 32284990Scy#include <sys/xti_inet.h> 33284990Scy 34284990Scy#include <inet/common.h> 35284990Scy#include <netinet/ip6.h> 36284990Scy#include <inet/ip.h> 37284990Scy#include <inet/udp_impl.h> 38284990Scy/* 39284990Scy * MK_XXX Following 2 includes temporary to import ip6_rthdr_t 40284990Scy * definition. May not be needed if we fix ip6_dg_snd_attrs_t 41284990Scy * to do all extension headers in identical manner. 42284990Scy */ 43284990Scy#include <net/if.h> 44284990Scy#include <inet/ip6.h> 45284990Scy 46284990Scy#include <netinet/in.h> 47284990Scy#include <netinet/udp.h> 48284990Scy#include <inet/optcom.h> 49284990Scy 50284990Scy/* 51284990Scy * Table of all known options handled on a UDP protocol stack. 52284990Scy * 53284990Scy * Note: This table contains options processed by both UDP and IP levels 54284990Scy * and is the superset of options that can be performed on a UDP over IP 55284990Scy * stack. 56 */ 57opdes_t udp_opt_arr[] = { 58 59{ SO_DEBUG, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 60{ SO_DONTROUTE, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 61{ SO_USELOOPBACK, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 62 }, 63{ SO_BROADCAST, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 64{ SO_REUSEADDR, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 65{ SO_TYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 66{ SO_SNDBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 67{ SO_RCVBUF, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 68{ SO_SNDTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 69 sizeof (struct timeval), 0 }, 70{ SO_RCVTIMEO, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, 71 sizeof (struct timeval), 0 }, 72{ SO_DGRAM_ERRIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 73 0 }, 74{ SO_RECVUCRED, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 75 }, 76{ SO_ALLZONES, SOL_SOCKET, OA_R, OA_RW, OP_CONFIG, 0, sizeof (int), 77 0 }, 78{ SO_VRRP, SOL_SOCKET, OA_RW, OA_RW, OP_CONFIG, 0, sizeof (int), 0 }, 79{ SO_TIMESTAMP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 80 }, 81{ SO_ANON_MLP, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 82 0 }, 83{ SO_MAC_EXEMPT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 84 0 }, 85{ SO_MAC_IMPLICIT, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 86 0 }, 87/* 88 * The maximum size reported here depends on the maximum value for 89 * ucredsize; unfortunately, we can't add ucredsize here so we need 90 * to estimate here. Before it was 512 or 384 + NGROUPS_UMAX * sizeof (gid_t); 91 * as we're changing NGROUPS_UMAX we now codify this here using NGROUPS_UMAX. 92 */ 93{ SCM_UCRED, SOL_SOCKET, OA_W, OA_W, OP_NP, OP_VARLEN|OP_NODEFAULT, 94 384 + NGROUPS_UMAX * sizeof (gid_t), 0 }, 95{ SO_EXCLBIND, SOL_SOCKET, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 96{ SO_DOMAIN, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 97{ SO_PROTOTYPE, SOL_SOCKET, OA_R, OA_R, OP_NP, 0, sizeof (int), 0 }, 98 99{ IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 100 (OP_VARLEN|OP_NODEFAULT), 101 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 102{ T_IP_OPTIONS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 103 (OP_VARLEN|OP_NODEFAULT), 104 IP_MAX_OPT_LENGTH + IP_ADDR_LEN, -1 /* not initialized */ }, 105 106{ IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 107{ T_IP_TOS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 108{ IP_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 109{ IP_RECVOPTS, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 110{ IP_RECVDSTADDR, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 111 }, 112{ IP_RECVIF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 113{ IP_RECVSLLA, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 114{ IP_RECVTTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 115 0 }, 116{ IP_MULTICAST_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 117 sizeof (struct in_addr), 0 /* INADDR_ANY */ }, 118 119{ IP_MULTICAST_LOOP, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 120 sizeof (uchar_t), -1 /* not initialized */}, 121 122{ IP_MULTICAST_TTL, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 123 sizeof (uchar_t), -1 /* not initialized */ }, 124 125{ IP_ADD_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 126 sizeof (struct ip_mreq), -1 /* not initialized */ }, 127 128{ IP_DROP_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 129 sizeof (struct ip_mreq), -1 /* not initialized */ }, 130 131{ IP_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 132 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 133 134{ IP_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, OP_NODEFAULT, 135 sizeof (struct ip_mreq_source), -1 /* not initialized */ }, 136 137{ IP_ADD_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 138 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 139 140{ IP_DROP_SOURCE_MEMBERSHIP, IPPROTO_IP, OA_X, OA_X, OP_NP, 141 OP_NODEFAULT, sizeof (struct ip_mreq_source), -1 }, 142 143{ IP_SEC_OPT, IPPROTO_IP, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 144 sizeof (ipsec_req_t), -1 /* not initialized */ }, 145 146{ IP_BOUND_IF, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, 147 sizeof (int), 0 /* no ifindex */ }, 148 149{ IP_DHCPINIT_IF, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 150 sizeof (int), 0 }, 151 152{ IP_UNSPEC_SRC, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, 153 sizeof (int), 0 }, 154 155{ IP_BROADCAST_TTL, IPPROTO_IP, OA_R, OA_RW, OP_RAW, 0, sizeof (uchar_t), 156 0 /* disabled */ }, 157 158{ IP_PKTINFO, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 159 (OP_NODEFAULT|OP_VARLEN), 160 sizeof (struct in_pktinfo), -1 /* not initialized */ }, 161{ IP_NEXTHOP, IPPROTO_IP, OA_R, OA_RW, OP_CONFIG, 0, 162 sizeof (in_addr_t), -1 /* not initialized */ }, 163 164{ IP_DONTFRAG, IPPROTO_IP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 }, 165 166{ MCAST_JOIN_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 167 OP_NODEFAULT, sizeof (struct group_req), 168 -1 /* not initialized */ }, 169{ MCAST_LEAVE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 170 OP_NODEFAULT, sizeof (struct group_req), 171 -1 /* not initialized */ }, 172{ MCAST_BLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 173 OP_NODEFAULT, sizeof (struct group_source_req), 174 -1 /* not initialized */ }, 175{ MCAST_UNBLOCK_SOURCE, IPPROTO_IP, OA_X, OA_X, OP_NP, 176 OP_NODEFAULT, sizeof (struct group_source_req), 177 -1 /* not initialized */ }, 178{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 179 OP_NODEFAULT, sizeof (struct group_source_req), 180 -1 /* not initialized */ }, 181{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IP, OA_X, OA_X, OP_NP, 182 OP_NODEFAULT, sizeof (struct group_source_req), 183 -1 /* not initialized */ }, 184 185{ IPV6_MULTICAST_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 186 sizeof (int), 0 }, 187 188{ IPV6_MULTICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 189 OP_DEF_FN, sizeof (int), -1 /* not initialized */ }, 190 191{ IPV6_MULTICAST_LOOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 192 OP_DEF_FN, sizeof (int), -1 /* not initialized */}, 193 194{ IPV6_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, OP_NODEFAULT, 195 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 196 197{ IPV6_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 198 OP_NODEFAULT, 199 sizeof (struct ipv6_mreq), -1 /* not initialized */ }, 200 201{ IPV6_UNICAST_HOPS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_DEF_FN, 202 sizeof (int), -1 /* not initialized */ }, 203 204{ IPV6_BOUND_IF, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 205 sizeof (int), 0 /* no ifindex */ }, 206 207{ IPV6_UNSPEC_SRC, IPPROTO_IPV6, OA_R, OA_RW, OP_RAW, 0, 208 sizeof (int), 0 }, 209 210{ IPV6_PKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 211 (OP_NODEFAULT|OP_VARLEN), 212 sizeof (struct in6_pktinfo), -1 /* not initialized */ }, 213{ IPV6_HOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 214 OP_NODEFAULT, 215 sizeof (int), -1 /* not initialized */ }, 216{ IPV6_NEXTHOP, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 217 (OP_NODEFAULT|OP_VARLEN), 218 sizeof (sin6_t), -1 /* not initialized */ }, 219{ IPV6_HOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 220 (OP_VARLEN|OP_NODEFAULT), 221 MAX_EHDR_LEN, -1 /* not initialized */ }, 222{ IPV6_DSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 223 (OP_VARLEN|OP_NODEFAULT), 224 MAX_EHDR_LEN, -1 /* not initialized */ }, 225{ IPV6_RTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 226 (OP_VARLEN|OP_NODEFAULT), 227 MAX_EHDR_LEN, -1 /* not initialized */ }, 228{ IPV6_RTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 229 (OP_VARLEN|OP_NODEFAULT), 230 MAX_EHDR_LEN, -1 /* not initialized */ }, 231{ IPV6_TCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 232 OP_NODEFAULT, 233 sizeof (int), -1 /* not initialized */ }, 234{ IPV6_PATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 235 OP_NODEFAULT, 236 sizeof (struct ip6_mtuinfo), -1 }, 237{ IPV6_DONTFRAG, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 238 sizeof (int), 0 }, 239{ IPV6_USE_MIN_MTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 240 sizeof (int), 0 }, 241{ IPV6_V6ONLY, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 242 sizeof (int), 0 }, 243 244{ IPV6_RECVPKTINFO, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 245 sizeof (int), 0 }, 246{ IPV6_RECVHOPLIMIT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 247 sizeof (int), 0 }, 248{ IPV6_RECVHOPOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 249 sizeof (int), 0 }, 250{ _OLD_IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 251 sizeof (int), 0 }, 252{ IPV6_RECVDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 253 sizeof (int), 0 }, 254{ IPV6_RECVRTHDR, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 255 sizeof (int), 0 }, 256{ IPV6_RECVRTHDRDSTOPTS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 257 sizeof (int), 0 }, 258{ IPV6_RECVPATHMTU, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 259 0, sizeof (int), 0 }, 260{ IPV6_RECVTCLASS, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 261 sizeof (int), 0 }, 262 263{ IPV6_SEC_OPT, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, OP_NODEFAULT, 264 sizeof (ipsec_req_t), -1 /* not initialized */ }, 265{ IPV6_SRC_PREFERENCES, IPPROTO_IPV6, OA_RW, OA_RW, OP_NP, 0, 266 sizeof (uint32_t), IPV6_PREFER_SRC_DEFAULT }, 267 268{ MCAST_JOIN_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 269 OP_NODEFAULT, sizeof (struct group_req), 270 -1 /* not initialized */ }, 271{ MCAST_LEAVE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 272 OP_NODEFAULT, sizeof (struct group_req), 273 -1 /* not initialized */ }, 274{ MCAST_BLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 275 OP_NODEFAULT, sizeof (struct group_source_req), 276 -1 /* not initialized */ }, 277{ MCAST_UNBLOCK_SOURCE, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 278 OP_NODEFAULT, sizeof (struct group_source_req), 279 -1 /* not initialized */ }, 280{ MCAST_JOIN_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 281 OP_NODEFAULT, sizeof (struct group_source_req), 282 -1 /* not initialized */ }, 283{ MCAST_LEAVE_SOURCE_GROUP, IPPROTO_IPV6, OA_X, OA_X, OP_NP, 284 OP_NODEFAULT, sizeof (struct group_source_req), 285 -1 /* not initialized */ }, 286 287{ UDP_ANONPRIVBIND, IPPROTO_UDP, OA_R, OA_RW, OP_PRIVPORT, 0, 288 sizeof (int), 0 }, 289{ UDP_EXCLBIND, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 290 }, 291{ UDP_RCVHDR, IPPROTO_UDP, OA_RW, OA_RW, OP_NP, 0, sizeof (int), 0 292 }, 293{ UDP_NAT_T_ENDPOINT, IPPROTO_UDP, OA_RW, OA_RW, OP_PRIVPORT, 0, sizeof (int), 294 0 }, 295}; 296 297/* 298 * Table of all supported levels 299 * Note: Some levels (e.g. XTI_GENERIC) may be valid but may not have 300 * any supported options so we need this info separately. 301 * 302 * This is needed only for topmost tpi providers and is used only by 303 * XTI interfaces. 304 */ 305optlevel_t udp_valid_levels_arr[] = { 306 XTI_GENERIC, 307 SOL_SOCKET, 308 IPPROTO_UDP, 309 IPPROTO_IP, 310 IPPROTO_IPV6 311}; 312 313#define UDP_VALID_LEVELS_CNT A_CNT(udp_valid_levels_arr) 314#define UDP_OPT_ARR_CNT A_CNT(udp_opt_arr) 315 316uint_t udp_max_optsize; /* initialized when UDP driver is loaded */ 317 318/* 319 * Initialize option database object for UDP 320 * 321 * This object represents database of options to search passed to 322 * {sock,tpi}optcom_req() interface routine to take care of option 323 * management and associated methods. 324 */ 325 326optdb_obj_t udp_opt_obj = { 327 udp_opt_default, /* UDP default value function pointer */ 328 udp_tpi_opt_get, /* UDP get function pointer */ 329 udp_tpi_opt_set, /* UDP set function pointer */ 330 UDP_OPT_ARR_CNT, /* UDP option database count of entries */ 331 udp_opt_arr, /* UDP option database */ 332 UDP_VALID_LEVELS_CNT, /* UDP valid level count of entries */ 333 udp_valid_levels_arr /* UDP valid level array */ 334}; 335