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 500834081Spwernau * Common Development and Distribution License (the "License"). 600834081Spwernau * 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 */ 217c478bd9Sstevel@tonic-gate /* 22*6e91bba0SGirish Moodalbail * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #include "defs.h" 277c478bd9Sstevel@tonic-gate #include "tables.h" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <time.h> 303173664eSapersson #include <assert.h> 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate struct phyint *phyints = NULL; 333173664eSapersson int num_of_phyints = 0; 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate static void phyint_print(struct phyint *pi); 367c478bd9Sstevel@tonic-gate static void phyint_insert(struct phyint *pi); 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate static boolean_t tmptoken_isvalid(struct in6_addr *token); 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate static void prefix_print(struct prefix *pr); 417c478bd9Sstevel@tonic-gate static void prefix_insert(struct phyint *pi, struct prefix *pr); 427c478bd9Sstevel@tonic-gate static char *prefix_print_state(int state, char *buf, int buflen); 437c478bd9Sstevel@tonic-gate static void prefix_set(struct in6_addr *prefix, struct in6_addr addr, 447c478bd9Sstevel@tonic-gate int bits); 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate static void adv_prefix_print(struct adv_prefix *adv_pr); 477c478bd9Sstevel@tonic-gate static void adv_prefix_insert(struct phyint *pi, struct adv_prefix *adv_pr); 487c478bd9Sstevel@tonic-gate static void adv_prefix_delete(struct adv_prefix *adv_pr); 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate static void router_print(struct router *dr); 517c478bd9Sstevel@tonic-gate static void router_insert(struct phyint *pi, struct router *dr); 527c478bd9Sstevel@tonic-gate static void router_delete(struct router *dr); 537c478bd9Sstevel@tonic-gate static void router_add_k(struct router *dr); 547c478bd9Sstevel@tonic-gate static void router_delete_k(struct router *dr); 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate static int rtmseq; /* rtm_seq sequence number */ 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* 1 week in ms */ 597c478bd9Sstevel@tonic-gate #define NDP_PREFIX_DEFAULT_LIFETIME (7*24*60*60*1000) 607c478bd9Sstevel@tonic-gate struct phyint * 617c478bd9Sstevel@tonic-gate phyint_lookup(char *name) 627c478bd9Sstevel@tonic-gate { 637c478bd9Sstevel@tonic-gate struct phyint *pi; 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) 667c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_lookup(%s)\n", name); 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate for (pi = phyints; pi != NULL; pi = pi->pi_next) { 697c478bd9Sstevel@tonic-gate if (strcmp(pi->pi_name, name) == 0) 707c478bd9Sstevel@tonic-gate break; 717c478bd9Sstevel@tonic-gate } 727c478bd9Sstevel@tonic-gate return (pi); 737c478bd9Sstevel@tonic-gate } 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate struct phyint * 767c478bd9Sstevel@tonic-gate phyint_lookup_on_index(uint_t ifindex) 777c478bd9Sstevel@tonic-gate { 787c478bd9Sstevel@tonic-gate struct phyint *pi; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) 817c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_lookup_on_index(%d)\n", ifindex); 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate for (pi = phyints; pi != NULL; pi = pi->pi_next) { 847c478bd9Sstevel@tonic-gate if (pi->pi_index == ifindex) 857c478bd9Sstevel@tonic-gate break; 867c478bd9Sstevel@tonic-gate } 877c478bd9Sstevel@tonic-gate return (pi); 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate struct phyint * 917c478bd9Sstevel@tonic-gate phyint_create(char *name) 927c478bd9Sstevel@tonic-gate { 937c478bd9Sstevel@tonic-gate struct phyint *pi; 947c478bd9Sstevel@tonic-gate int i; 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) 977c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_create(%s)\n", name); 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate pi = (struct phyint *)calloc(sizeof (struct phyint), 1); 1007c478bd9Sstevel@tonic-gate if (pi == NULL) { 1017c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "phyint_create: out of memory\n"); 1027c478bd9Sstevel@tonic-gate return (NULL); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate (void) strncpy(pi->pi_name, name, sizeof (pi->pi_name)); 1057c478bd9Sstevel@tonic-gate pi->pi_name[sizeof (pi->pi_name) - 1] = '\0'; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /* 1087c478bd9Sstevel@tonic-gate * Copy the defaults from the defaults array. 1097c478bd9Sstevel@tonic-gate * Do not copy the cf_notdefault fields since these have not 1107c478bd9Sstevel@tonic-gate * been explicitly set for the phyint. 1117c478bd9Sstevel@tonic-gate */ 1127c478bd9Sstevel@tonic-gate for (i = 0; i < I_IFSIZE; i++) 1137c478bd9Sstevel@tonic-gate pi->pi_config[i].cf_value = ifdefaults[i].cf_value; 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /* 1167c478bd9Sstevel@tonic-gate * TmpDesyncFactor is used to desynchronize temporary token 1177c478bd9Sstevel@tonic-gate * generation among systems; the actual preferred lifetime value 1187c478bd9Sstevel@tonic-gate * of a temporary address will be (TmpPreferredLifetime - 1197c478bd9Sstevel@tonic-gate * TmpDesyncFactor). It's a random value, with a user-configurable 1207c478bd9Sstevel@tonic-gate * maximum value. The value is constant throughout the lifetime 1217c478bd9Sstevel@tonic-gate * of the in.ndpd process, but can change if the daemon is restarted, 1227c478bd9Sstevel@tonic-gate * per RFC3041. 1237c478bd9Sstevel@tonic-gate */ 1247c478bd9Sstevel@tonic-gate if (pi->pi_TmpMaxDesyncFactor != 0) { 1257c478bd9Sstevel@tonic-gate time_t seed = time(NULL); 1267c478bd9Sstevel@tonic-gate srand((uint_t)seed); 1277c478bd9Sstevel@tonic-gate pi->pi_TmpDesyncFactor = rand() % pi->pi_TmpMaxDesyncFactor; 1287c478bd9Sstevel@tonic-gate /* we actually want [1,max], not [0,(max-1)] */ 1297c478bd9Sstevel@tonic-gate pi->pi_TmpDesyncFactor++; 1307c478bd9Sstevel@tonic-gate } 1317c478bd9Sstevel@tonic-gate pi->pi_TmpRegenCountdown = TIMER_INFINITY; 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 134*6e91bba0SGirish Moodalbail pi->pi_stateless = pi->pi_StatelessAddrConf; 135*6e91bba0SGirish Moodalbail pi->pi_stateful = pi->pi_StatefulAddrConf; 136*6e91bba0SGirish Moodalbail pi->pi_autoconf = _B_TRUE; 137*6e91bba0SGirish Moodalbail pi->pi_default_token = _B_TRUE; 1387c478bd9Sstevel@tonic-gate if (phyint_init_from_k(pi) == -1) { 1397c478bd9Sstevel@tonic-gate free(pi); 1407c478bd9Sstevel@tonic-gate return (NULL); 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate phyint_insert(pi); 1437c478bd9Sstevel@tonic-gate if (pi->pi_sock != -1) { 1447c478bd9Sstevel@tonic-gate if (poll_add(pi->pi_sock) == -1) { 1457c478bd9Sstevel@tonic-gate phyint_delete(pi); 1467c478bd9Sstevel@tonic-gate return (NULL); 1477c478bd9Sstevel@tonic-gate } 1487c478bd9Sstevel@tonic-gate } 1497c478bd9Sstevel@tonic-gate return (pi); 1507c478bd9Sstevel@tonic-gate } 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate /* Insert in linked list */ 1537c478bd9Sstevel@tonic-gate static void 1547c478bd9Sstevel@tonic-gate phyint_insert(struct phyint *pi) 1557c478bd9Sstevel@tonic-gate { 1567c478bd9Sstevel@tonic-gate /* Insert in list */ 1577c478bd9Sstevel@tonic-gate pi->pi_next = phyints; 1587c478bd9Sstevel@tonic-gate pi->pi_prev = NULL; 1597c478bd9Sstevel@tonic-gate if (phyints) 1607c478bd9Sstevel@tonic-gate phyints->pi_prev = pi; 1617c478bd9Sstevel@tonic-gate phyints = pi; 1623173664eSapersson num_of_phyints++; 1637c478bd9Sstevel@tonic-gate } 1647c478bd9Sstevel@tonic-gate 1657c478bd9Sstevel@tonic-gate /* 1667c478bd9Sstevel@tonic-gate * Initialize both the phyint data structure and the pi_sock for 1677c478bd9Sstevel@tonic-gate * sending and receving on the interface. 1687c478bd9Sstevel@tonic-gate * Extract information from the kernel (if present) and set pi_kernel_state. 1697c478bd9Sstevel@tonic-gate */ 1707c478bd9Sstevel@tonic-gate int 1717c478bd9Sstevel@tonic-gate phyint_init_from_k(struct phyint *pi) 1727c478bd9Sstevel@tonic-gate { 1737c478bd9Sstevel@tonic-gate struct ipv6_mreq v6mcastr; 1747c478bd9Sstevel@tonic-gate struct lifreq lifr; 1757c478bd9Sstevel@tonic-gate int fd; 176e11c3f44Smeem int save_errno; 1777c478bd9Sstevel@tonic-gate boolean_t newsock; 1787c478bd9Sstevel@tonic-gate uint_t ttl; 1797c478bd9Sstevel@tonic-gate struct sockaddr_in6 *sin6; 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) 1827c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_init_from_k(%s)\n", pi->pi_name); 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate start_over: 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate if (pi->pi_sock < 0) { 1877c478bd9Sstevel@tonic-gate pi->pi_sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6); 1887c478bd9Sstevel@tonic-gate if (pi->pi_sock < 0) { 1897c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: socket"); 1907c478bd9Sstevel@tonic-gate return (-1); 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate newsock = _B_TRUE; 1937c478bd9Sstevel@tonic-gate } else { 1947c478bd9Sstevel@tonic-gate newsock = _B_FALSE; 1957c478bd9Sstevel@tonic-gate } 1967c478bd9Sstevel@tonic-gate fd = pi->pi_sock; 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name)); 1997c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 2007c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFINDEX, (char *)&lifr) < 0) { 2017c478bd9Sstevel@tonic-gate if (errno == ENXIO) { 2027c478bd9Sstevel@tonic-gate if (newsock) { 2037c478bd9Sstevel@tonic-gate (void) close(pi->pi_sock); 2047c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 2057c478bd9Sstevel@tonic-gate } 2067c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) { 2077c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_init_from_k(%s): " 2087c478bd9Sstevel@tonic-gate "not exist\n", pi->pi_name); 2097c478bd9Sstevel@tonic-gate } 2107c478bd9Sstevel@tonic-gate return (0); 2117c478bd9Sstevel@tonic-gate } 2127c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCGLIFINDEX"); 2137c478bd9Sstevel@tonic-gate goto error; 2147c478bd9Sstevel@tonic-gate } 2157c478bd9Sstevel@tonic-gate 2167c478bd9Sstevel@tonic-gate if (!newsock && (pi->pi_index != lifr.lifr_index)) { 2177c478bd9Sstevel@tonic-gate /* 2187c478bd9Sstevel@tonic-gate * Interface has been re-plumbed, lets open a new socket. 2197c478bd9Sstevel@tonic-gate * This situation can occur if plumb/unplumb are happening 2207c478bd9Sstevel@tonic-gate * quite frequently. 2217c478bd9Sstevel@tonic-gate */ 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate phyint_cleanup(pi); 2247c478bd9Sstevel@tonic-gate goto start_over; 2257c478bd9Sstevel@tonic-gate } 2267c478bd9Sstevel@tonic-gate 2277c478bd9Sstevel@tonic-gate pi->pi_index = lifr.lifr_index; 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFFLAGS, (char *)&lifr) < 0) { 2307c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: ioctl (get flags)"); 2317c478bd9Sstevel@tonic-gate goto error; 2327c478bd9Sstevel@tonic-gate } 2337c478bd9Sstevel@tonic-gate pi->pi_flags = lifr.lifr_flags; 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 23669bb4bb4Scarlsonj * If the link local interface is not up yet or it's IFF_UP and the 23769bb4bb4Scarlsonj * IFF_NOLOCAL flag is set, then ignore the interface. 2387c478bd9Sstevel@tonic-gate */ 2397c478bd9Sstevel@tonic-gate if (!(pi->pi_flags & IFF_UP) || (pi->pi_flags & IFF_NOLOCAL)) { 2407c478bd9Sstevel@tonic-gate if (newsock) { 2417c478bd9Sstevel@tonic-gate (void) close(pi->pi_sock); 2427c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 2437c478bd9Sstevel@tonic-gate } 244*6e91bba0SGirish Moodalbail 2457c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) { 2467c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_init_from_k(%s): " 24769bb4bb4Scarlsonj "IFF_NOLOCAL or not IFF_UP\n", pi->pi_name); 2487c478bd9Sstevel@tonic-gate } 2497c478bd9Sstevel@tonic-gate return (0); 2507c478bd9Sstevel@tonic-gate } 2517c478bd9Sstevel@tonic-gate pi->pi_kernel_state |= PI_PRESENT; 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFMTU, (caddr_t)&lifr) < 0) { 2547c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: ioctl (get mtu)"); 2557c478bd9Sstevel@tonic-gate goto error; 2567c478bd9Sstevel@tonic-gate } 2577c478bd9Sstevel@tonic-gate pi->pi_mtu = lifr.lifr_mtu; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFADDR, (char *)&lifr) < 0) { 2607c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCGLIFADDR"); 2617c478bd9Sstevel@tonic-gate goto error; 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 2647c478bd9Sstevel@tonic-gate pi->pi_ifaddr = sin6->sin6_addr; 2657c478bd9Sstevel@tonic-gate 266*6e91bba0SGirish Moodalbail if (pi->pi_autoconf && pi->pi_default_token) { 267*6e91bba0SGirish Moodalbail if (ioctl(fd, SIOCGLIFTOKEN, (char *)&lifr) < 0) { 268*6e91bba0SGirish Moodalbail logperror_pi(pi, "phyint_init_from_k: SIOCGLIFTOKEN"); 269*6e91bba0SGirish Moodalbail goto error; 270*6e91bba0SGirish Moodalbail } 271*6e91bba0SGirish Moodalbail /* Ignore interface if the token is all zeros */ 272*6e91bba0SGirish Moodalbail sin6 = (struct sockaddr_in6 *)&lifr.lifr_token; 273*6e91bba0SGirish Moodalbail if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) { 274*6e91bba0SGirish Moodalbail logmsg(LOG_ERR, "ignoring interface %s: zero token\n", 275*6e91bba0SGirish Moodalbail pi->pi_name); 276*6e91bba0SGirish Moodalbail goto error; 277*6e91bba0SGirish Moodalbail } 278*6e91bba0SGirish Moodalbail pi->pi_token = sin6->sin6_addr; 279*6e91bba0SGirish Moodalbail pi->pi_token_length = lifr.lifr_addrlen; 2807c478bd9Sstevel@tonic-gate } 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate /* 2837c478bd9Sstevel@tonic-gate * Guess a remote token for POINTOPOINT by looking at 2847c478bd9Sstevel@tonic-gate * the link-local destination address. 2857c478bd9Sstevel@tonic-gate */ 2867c478bd9Sstevel@tonic-gate if (pi->pi_flags & IFF_POINTOPOINT) { 2877c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFDSTADDR, (char *)&lifr) < 0) { 2887c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCGLIFDSTADDR"); 2897c478bd9Sstevel@tonic-gate goto error; 2907c478bd9Sstevel@tonic-gate } 2917c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 2927c478bd9Sstevel@tonic-gate if (sin6->sin6_family != AF_INET6 || 2937c478bd9Sstevel@tonic-gate IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr) || 2947c478bd9Sstevel@tonic-gate !IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2957c478bd9Sstevel@tonic-gate pi->pi_dst_token = in6addr_any; 2967c478bd9Sstevel@tonic-gate } else { 2977c478bd9Sstevel@tonic-gate pi->pi_dst_token = sin6->sin6_addr; 2987c478bd9Sstevel@tonic-gate /* Clear link-local prefix (first 10 bits) */ 2997c478bd9Sstevel@tonic-gate pi->pi_dst_token.s6_addr[0] = 0; 3007c478bd9Sstevel@tonic-gate pi->pi_dst_token.s6_addr[1] &= 0x3f; 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate } else { 3037c478bd9Sstevel@tonic-gate pi->pi_dst_token = in6addr_any; 3047c478bd9Sstevel@tonic-gate } 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate if (newsock) { 3077c478bd9Sstevel@tonic-gate icmp6_filter_t filter; 3087c478bd9Sstevel@tonic-gate int on = 1; 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate /* Set default values */ 3117c478bd9Sstevel@tonic-gate pi->pi_LinkMTU = pi->pi_mtu; 3127c478bd9Sstevel@tonic-gate pi->pi_CurHopLimit = 0; 3137c478bd9Sstevel@tonic-gate pi->pi_BaseReachableTime = ND_REACHABLE_TIME; 3147c478bd9Sstevel@tonic-gate phyint_reach_random(pi, _B_FALSE); 3157c478bd9Sstevel@tonic-gate pi->pi_RetransTimer = ND_RETRANS_TIMER; 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* Setup socket for transmission and reception */ 3187c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, 3197c478bd9Sstevel@tonic-gate IPV6_BOUND_IF, (char *)&pi->pi_index, 3207c478bd9Sstevel@tonic-gate sizeof (pi->pi_index)) < 0) { 3217c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3227c478bd9Sstevel@tonic-gate "IPV6_BOUND_IF"); 3237c478bd9Sstevel@tonic-gate goto error; 3247c478bd9Sstevel@tonic-gate } 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate ttl = IPV6_MAX_HOPS; 3277c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, 3287c478bd9Sstevel@tonic-gate (char *)&ttl, sizeof (ttl)) < 0) { 3297c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3307c478bd9Sstevel@tonic-gate "IPV6_UNICAST_HOPS"); 3317c478bd9Sstevel@tonic-gate goto error; 3327c478bd9Sstevel@tonic-gate } 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, 3357c478bd9Sstevel@tonic-gate (char *)&ttl, sizeof (ttl)) < 0) { 3367c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3377c478bd9Sstevel@tonic-gate "IPV6_MULTICAST_HOPS"); 3387c478bd9Sstevel@tonic-gate goto error; 3397c478bd9Sstevel@tonic-gate } 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate v6mcastr.ipv6mr_multiaddr = all_nodes_mcast; 3427c478bd9Sstevel@tonic-gate v6mcastr.ipv6mr_interface = pi->pi_index; 3437c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, 3447c478bd9Sstevel@tonic-gate (char *)&v6mcastr, sizeof (v6mcastr)) < 0) { 345e11c3f44Smeem /* 346e11c3f44Smeem * One benign reason IPV6_JOIN_GROUP could fail is 347e11c3f44Smeem * when `pi' has been placed into an IPMP group and we 348e11c3f44Smeem * haven't yet processed the routing socket message 349e11c3f44Smeem * informing us of its disappearance. As such, if 350e11c3f44Smeem * it's now in a group, don't print an error. 351e11c3f44Smeem */ 352e11c3f44Smeem save_errno = errno; 353e11c3f44Smeem (void) strlcpy(lifr.lifr_name, pi->pi_name, LIFNAMSIZ); 354e11c3f44Smeem if (ioctl(fd, SIOCGLIFGROUPNAME, &lifr) == -1 || 355e11c3f44Smeem lifr.lifr_groupname[0] == '\0') { 356e11c3f44Smeem errno = save_errno; 357e11c3f44Smeem logperror_pi(pi, "phyint_init_from_k: " 358e11c3f44Smeem "setsockopt IPV6_JOIN_GROUP"); 359e11c3f44Smeem } 3607c478bd9Sstevel@tonic-gate goto error; 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate pi->pi_state |= PI_JOINED_ALLNODES; 3637c478bd9Sstevel@tonic-gate pi->pi_kernel_state |= PI_JOINED_ALLNODES; 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate /* 3667c478bd9Sstevel@tonic-gate * Filter out so that we only receive router advertisements and 3677c478bd9Sstevel@tonic-gate * router solicitations. 3687c478bd9Sstevel@tonic-gate */ 3697c478bd9Sstevel@tonic-gate ICMP6_FILTER_SETBLOCKALL(&filter); 3707c478bd9Sstevel@tonic-gate ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filter); 3717c478bd9Sstevel@tonic-gate ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter); 3727c478bd9Sstevel@tonic-gate 3737c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_ICMPV6, ICMP6_FILTER, 3747c478bd9Sstevel@tonic-gate (char *)&filter, sizeof (filter)) < 0) { 3757c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3767c478bd9Sstevel@tonic-gate "ICMP6_FILTER"); 3777c478bd9Sstevel@tonic-gate goto error; 3787c478bd9Sstevel@tonic-gate } 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* Enable receipt of ancillary data */ 3817c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, 3827c478bd9Sstevel@tonic-gate (char *)&on, sizeof (on)) < 0) { 3837c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3847c478bd9Sstevel@tonic-gate "IPV6_RECVHOPLIMIT"); 3857c478bd9Sstevel@tonic-gate goto error; 3867c478bd9Sstevel@tonic-gate } 3877c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_RECVRTHDR, 3887c478bd9Sstevel@tonic-gate (char *)&on, sizeof (on)) < 0) { 3897c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: setsockopt " 3907c478bd9Sstevel@tonic-gate "IPV6_RECVRTHDR"); 3917c478bd9Sstevel@tonic-gate goto error; 3927c478bd9Sstevel@tonic-gate } 3937c478bd9Sstevel@tonic-gate } 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate if (pi->pi_AdvSendAdvertisements && 3967c478bd9Sstevel@tonic-gate !(pi->pi_kernel_state & PI_JOINED_ALLROUTERS)) { 3977c478bd9Sstevel@tonic-gate v6mcastr.ipv6mr_multiaddr = all_routers_mcast; 3987c478bd9Sstevel@tonic-gate v6mcastr.ipv6mr_interface = pi->pi_index; 3997c478bd9Sstevel@tonic-gate if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, 4007c478bd9Sstevel@tonic-gate (char *)&v6mcastr, sizeof (v6mcastr)) < 0) { 401e11c3f44Smeem /* 402e11c3f44Smeem * See IPV6_JOIN_GROUP comment above. 403e11c3f44Smeem */ 404e11c3f44Smeem save_errno = errno; 405e11c3f44Smeem (void) strlcpy(lifr.lifr_name, pi->pi_name, LIFNAMSIZ); 406e11c3f44Smeem if (ioctl(fd, SIOCGLIFGROUPNAME, &lifr) == -1 || 407e11c3f44Smeem lifr.lifr_groupname[0] == '\0') { 408e11c3f44Smeem errno = save_errno; 409e11c3f44Smeem logperror_pi(pi, "phyint_init_from_k: " 410e11c3f44Smeem "setsockopt IPV6_JOIN_GROUP"); 411e11c3f44Smeem } 4127c478bd9Sstevel@tonic-gate goto error; 4137c478bd9Sstevel@tonic-gate } 4147c478bd9Sstevel@tonic-gate pi->pi_state |= PI_JOINED_ALLROUTERS; 4157c478bd9Sstevel@tonic-gate pi->pi_kernel_state |= PI_JOINED_ALLROUTERS; 4167c478bd9Sstevel@tonic-gate } 4177c478bd9Sstevel@tonic-gate /* 4187c478bd9Sstevel@tonic-gate * If not already set, set the IFF_ROUTER interface flag based on 4197c478bd9Sstevel@tonic-gate * AdvSendAdvertisements. Note that this will also enable IPv6 4207c478bd9Sstevel@tonic-gate * forwarding on the interface. We don't clear IFF_ROUTER if we're 4217c478bd9Sstevel@tonic-gate * not advertising on an interface, because we could still be 4227c478bd9Sstevel@tonic-gate * forwarding on those interfaces. 4237c478bd9Sstevel@tonic-gate */ 4247c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name)); 4257c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 4267c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCGLIFFLAGS, (char *)&lifr) < 0) { 4277c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCGLIFFLAGS"); 4287c478bd9Sstevel@tonic-gate goto error; 4297c478bd9Sstevel@tonic-gate } 4307c478bd9Sstevel@tonic-gate if (!(lifr.lifr_flags & IFF_ROUTER) && pi->pi_AdvSendAdvertisements) { 4317c478bd9Sstevel@tonic-gate lifr.lifr_flags |= IFF_ROUTER; 4327c478bd9Sstevel@tonic-gate 4337c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCSLIFFLAGS, (char *)&lifr) < 0) { 4347c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCSLIFFLAGS"); 4357c478bd9Sstevel@tonic-gate goto error; 4367c478bd9Sstevel@tonic-gate } 4377c478bd9Sstevel@tonic-gate pi->pi_flags = lifr.lifr_flags; 4387c478bd9Sstevel@tonic-gate } 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate /* Set linkinfo parameters */ 4417c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name)); 4427c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 4437c478bd9Sstevel@tonic-gate lifr.lifr_ifinfo.lir_maxhops = pi->pi_CurHopLimit; 4447c478bd9Sstevel@tonic-gate lifr.lifr_ifinfo.lir_reachtime = pi->pi_ReachableTime; 4457c478bd9Sstevel@tonic-gate lifr.lifr_ifinfo.lir_reachretrans = pi->pi_RetransTimer; 44600834081Spwernau /* Setting maxmtu to 0 means that we're leaving the MTU alone */ 44700834081Spwernau lifr.lifr_ifinfo.lir_maxmtu = 0; 4487c478bd9Sstevel@tonic-gate if (ioctl(fd, SIOCSLIFLNKINFO, (char *)&lifr) < 0) { 4497c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_init_from_k: SIOCSLIFLNKINFO"); 4507c478bd9Sstevel@tonic-gate goto error; 4517c478bd9Sstevel@tonic-gate } 4527c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) { 4537c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_init_from_k(%s): done\n", 4547c478bd9Sstevel@tonic-gate pi->pi_name); 4557c478bd9Sstevel@tonic-gate } 4567c478bd9Sstevel@tonic-gate return (0); 4577c478bd9Sstevel@tonic-gate 4587c478bd9Sstevel@tonic-gate error: 4597c478bd9Sstevel@tonic-gate /* Pretend the interface does not exist in the kernel */ 4607c478bd9Sstevel@tonic-gate pi->pi_kernel_state &= ~PI_PRESENT; 4617c478bd9Sstevel@tonic-gate if (newsock) { 4627c478bd9Sstevel@tonic-gate (void) close(pi->pi_sock); 4637c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 4647c478bd9Sstevel@tonic-gate } 4657c478bd9Sstevel@tonic-gate return (-1); 4667c478bd9Sstevel@tonic-gate } 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate /* 4697c478bd9Sstevel@tonic-gate * Delete (unlink and free). 4707c478bd9Sstevel@tonic-gate * Handles delete of things that have not yet been inserted in the list. 4717c478bd9Sstevel@tonic-gate */ 4727c478bd9Sstevel@tonic-gate void 4737c478bd9Sstevel@tonic-gate phyint_delete(struct phyint *pi) 4747c478bd9Sstevel@tonic-gate { 4757c478bd9Sstevel@tonic-gate if (debug & D_PHYINT) 4767c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_delete(%s)\n", pi->pi_name); 4777c478bd9Sstevel@tonic-gate 4783173664eSapersson assert(num_of_phyints > 0); 4793173664eSapersson 4807c478bd9Sstevel@tonic-gate while (pi->pi_router_list) 4817c478bd9Sstevel@tonic-gate router_delete(pi->pi_router_list); 482*6e91bba0SGirish Moodalbail while (pi->pi_prefix_list) { 483*6e91bba0SGirish Moodalbail prefix_update_ipadm_addrobj(pi->pi_prefix_list, _B_FALSE); 4847c478bd9Sstevel@tonic-gate prefix_delete(pi->pi_prefix_list); 485*6e91bba0SGirish Moodalbail } 4867c478bd9Sstevel@tonic-gate while (pi->pi_adv_prefix_list) 4877c478bd9Sstevel@tonic-gate adv_prefix_delete(pi->pi_adv_prefix_list); 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate if (pi->pi_sock != -1) { 4907c478bd9Sstevel@tonic-gate (void) poll_remove(pi->pi_sock); 4917c478bd9Sstevel@tonic-gate if (close(pi->pi_sock) < 0) { 4927c478bd9Sstevel@tonic-gate logperror_pi(pi, "phyint_delete: close"); 4937c478bd9Sstevel@tonic-gate } 4947c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 4957c478bd9Sstevel@tonic-gate } 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate if (pi->pi_prev == NULL) { 4987c478bd9Sstevel@tonic-gate if (phyints == pi) 4997c478bd9Sstevel@tonic-gate phyints = pi->pi_next; 5007c478bd9Sstevel@tonic-gate } else { 5017c478bd9Sstevel@tonic-gate pi->pi_prev->pi_next = pi->pi_next; 5027c478bd9Sstevel@tonic-gate } 5037c478bd9Sstevel@tonic-gate if (pi->pi_next != NULL) 5047c478bd9Sstevel@tonic-gate pi->pi_next->pi_prev = pi->pi_prev; 5057c478bd9Sstevel@tonic-gate pi->pi_next = pi->pi_prev = NULL; 5067c478bd9Sstevel@tonic-gate free(pi); 5073173664eSapersson num_of_phyints--; 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 511b12d9c4eSmeem * Called with the number of milliseconds elapsed since the last call. 5127c478bd9Sstevel@tonic-gate * Determines if any timeout event has occurred and 5137c478bd9Sstevel@tonic-gate * returns the number of milliseconds until the next timeout event 514b12d9c4eSmeem * for the phyint itself (excluding prefixes and routers). 5157c478bd9Sstevel@tonic-gate * Returns TIMER_INFINITY for "never". 5167c478bd9Sstevel@tonic-gate */ 5177c478bd9Sstevel@tonic-gate uint_t 5187c478bd9Sstevel@tonic-gate phyint_timer(struct phyint *pi, uint_t elapsed) 5197c478bd9Sstevel@tonic-gate { 5207c478bd9Sstevel@tonic-gate uint_t next = TIMER_INFINITY; 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate if (pi->pi_AdvSendAdvertisements) { 5237c478bd9Sstevel@tonic-gate if (pi->pi_adv_state != NO_ADV) { 5247c478bd9Sstevel@tonic-gate int old_state = pi->pi_adv_state; 5257c478bd9Sstevel@tonic-gate 5267c478bd9Sstevel@tonic-gate if (debug & (D_STATE|D_PHYINT)) { 5277c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_timer ADV(%s) " 5287c478bd9Sstevel@tonic-gate "state %d\n", pi->pi_name, (int)old_state); 5297c478bd9Sstevel@tonic-gate } 5307c478bd9Sstevel@tonic-gate next = advertise_event(pi, ADV_TIMER, elapsed); 5317c478bd9Sstevel@tonic-gate if (debug & D_STATE) { 5327c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_timer ADV(%s) " 5337c478bd9Sstevel@tonic-gate "state %d -> %d\n", 5347c478bd9Sstevel@tonic-gate pi->pi_name, (int)old_state, 5357c478bd9Sstevel@tonic-gate (int)pi->pi_adv_state); 5367c478bd9Sstevel@tonic-gate } 5377c478bd9Sstevel@tonic-gate } 5387c478bd9Sstevel@tonic-gate } else { 5397c478bd9Sstevel@tonic-gate if (pi->pi_sol_state != NO_SOLICIT) { 5407c478bd9Sstevel@tonic-gate int old_state = pi->pi_sol_state; 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate if (debug & (D_STATE|D_PHYINT)) { 5437c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_timer SOL(%s) " 5447c478bd9Sstevel@tonic-gate "state %d\n", pi->pi_name, (int)old_state); 5457c478bd9Sstevel@tonic-gate } 5467c478bd9Sstevel@tonic-gate next = solicit_event(pi, SOL_TIMER, elapsed); 5477c478bd9Sstevel@tonic-gate if (debug & D_STATE) { 5487c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "phyint_timer SOL(%s) " 5497c478bd9Sstevel@tonic-gate "state %d -> %d\n", 5507c478bd9Sstevel@tonic-gate pi->pi_name, (int)old_state, 5517c478bd9Sstevel@tonic-gate (int)pi->pi_sol_state); 5527c478bd9Sstevel@tonic-gate } 5537c478bd9Sstevel@tonic-gate } 5547c478bd9Sstevel@tonic-gate } 5557c478bd9Sstevel@tonic-gate 5567c478bd9Sstevel@tonic-gate /* 5577c478bd9Sstevel@tonic-gate * If the phyint has been unplumbed, we don't want to call 5587c478bd9Sstevel@tonic-gate * phyint_reach_random. We will be in the NO_ADV or NO_SOLICIT state. 5597c478bd9Sstevel@tonic-gate */ 5607c478bd9Sstevel@tonic-gate if ((pi->pi_AdvSendAdvertisements && (pi->pi_adv_state != NO_ADV)) || 5617c478bd9Sstevel@tonic-gate (!pi->pi_AdvSendAdvertisements && 5627c478bd9Sstevel@tonic-gate (pi->pi_sol_state != NO_SOLICIT))) { 5637c478bd9Sstevel@tonic-gate pi->pi_reach_time_since_random += elapsed; 5647c478bd9Sstevel@tonic-gate if (pi->pi_reach_time_since_random >= MAX_REACH_RANDOM_INTERVAL) 5657c478bd9Sstevel@tonic-gate phyint_reach_random(pi, _B_TRUE); 5667c478bd9Sstevel@tonic-gate } 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate return (next); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate static void 5727c478bd9Sstevel@tonic-gate phyint_print(struct phyint *pi) 5737c478bd9Sstevel@tonic-gate { 5747c478bd9Sstevel@tonic-gate struct prefix *pr; 5757c478bd9Sstevel@tonic-gate struct adv_prefix *adv_pr; 5767c478bd9Sstevel@tonic-gate struct router *dr; 5777c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 5787c478bd9Sstevel@tonic-gate 5797c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "Phyint %s index %d state %x, kernel %x, " 5808121d73fSseb "num routers %d\n", 5818121d73fSseb pi->pi_name, pi->pi_index, pi->pi_state, pi->pi_kernel_state, 5827c478bd9Sstevel@tonic-gate pi->pi_num_k_routers); 583e11c3f44Smeem logmsg(LOG_DEBUG, "\taddress: %s flags %llx\n", 5847c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pi->pi_ifaddr, 5857c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pi->pi_flags); 586e11c3f44Smeem logmsg(LOG_DEBUG, "\tsock %d mtu %d\n", pi->pi_sock, pi->pi_mtu); 587e11c3f44Smeem logmsg(LOG_DEBUG, "\ttoken: len %d %s\n", pi->pi_token_length, 5887c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pi->pi_token, 5897c478bd9Sstevel@tonic-gate abuf, sizeof (abuf))); 5907c478bd9Sstevel@tonic-gate if (pi->pi_TmpAddrsEnabled) { 5917c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\ttmp_token: %s\n", 5927c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pi->pi_tmp_token, 593b12d9c4eSmeem abuf, sizeof (abuf))); 5947c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\ttmp config: pref %d valid %d " 5957c478bd9Sstevel@tonic-gate "maxdesync %d desync %d regen %d\n", 5967c478bd9Sstevel@tonic-gate pi->pi_TmpPreferredLifetime, pi->pi_TmpValidLifetime, 5977c478bd9Sstevel@tonic-gate pi->pi_TmpMaxDesyncFactor, pi->pi_TmpDesyncFactor, 5987c478bd9Sstevel@tonic-gate pi->pi_TmpRegenAdvance); 5997c478bd9Sstevel@tonic-gate } 6007c478bd9Sstevel@tonic-gate if (pi->pi_flags & IFF_POINTOPOINT) { 6017c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tdst_token: %s\n", 6027c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pi->pi_dst_token, 603b12d9c4eSmeem abuf, sizeof (abuf))); 6047c478bd9Sstevel@tonic-gate } 6057c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tLinkMTU %d CurHopLimit %d " 6067c478bd9Sstevel@tonic-gate "BaseReachableTime %d\n\tReachableTime %d RetransTimer %d\n", 6077c478bd9Sstevel@tonic-gate pi->pi_LinkMTU, pi->pi_CurHopLimit, pi->pi_BaseReachableTime, 6087c478bd9Sstevel@tonic-gate pi->pi_ReachableTime, pi->pi_RetransTimer); 6097c478bd9Sstevel@tonic-gate if (!pi->pi_AdvSendAdvertisements) { 6107c478bd9Sstevel@tonic-gate /* Solicit state */ 6117c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tSOLICIT: time_left %d state %d count %d\n", 6127c478bd9Sstevel@tonic-gate pi->pi_sol_time_left, pi->pi_sol_state, pi->pi_sol_count); 6137c478bd9Sstevel@tonic-gate } else { 6147c478bd9Sstevel@tonic-gate /* Advertise state */ 6157c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tADVERT: time_left %d state %d count %d " 6167c478bd9Sstevel@tonic-gate "since last %d\n", 6177c478bd9Sstevel@tonic-gate pi->pi_adv_time_left, pi->pi_adv_state, pi->pi_adv_count, 6187c478bd9Sstevel@tonic-gate pi->pi_adv_time_since_sent); 6197c478bd9Sstevel@tonic-gate print_iflist(pi->pi_config); 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) 6227c478bd9Sstevel@tonic-gate prefix_print(pr); 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate for (adv_pr = pi->pi_adv_prefix_list; adv_pr != NULL; 6257c478bd9Sstevel@tonic-gate adv_pr = adv_pr->adv_pr_next) { 6267c478bd9Sstevel@tonic-gate adv_prefix_print(adv_pr); 6277c478bd9Sstevel@tonic-gate } 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate for (dr = pi->pi_router_list; dr != NULL; dr = dr->dr_next) 6307c478bd9Sstevel@tonic-gate router_print(dr); 6317c478bd9Sstevel@tonic-gate 6327c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\n"); 6337c478bd9Sstevel@tonic-gate } 6347c478bd9Sstevel@tonic-gate 635e11c3f44Smeem 636e11c3f44Smeem /* 637e11c3f44Smeem * Store the LLA for the phyint `pi' `lifrp'. Returns 0 on success, or 638e11c3f44Smeem * -1 on failure. 639e11c3f44Smeem * 640e11c3f44Smeem * Note that we do not cache the hardware address since there's no reliable 641e11c3f44Smeem * mechanism to determine when it's become stale. 642e11c3f44Smeem */ 643e11c3f44Smeem int 644e11c3f44Smeem phyint_get_lla(struct phyint *pi, struct lifreq *lifrp) 645e11c3f44Smeem { 646e11c3f44Smeem struct sockaddr_in6 *sin6; 647e11c3f44Smeem 648e11c3f44Smeem /* If this phyint doesn't have a link-layer address, bail */ 649e11c3f44Smeem if (!(pi->pi_flags & IFF_MULTICAST) || 650e11c3f44Smeem (pi->pi_flags & IFF_POINTOPOINT)) { 651e11c3f44Smeem return (-1); 652e11c3f44Smeem } 653e11c3f44Smeem 654e11c3f44Smeem (void) strlcpy(lifrp->lifr_name, pi->pi_name, LIFNAMSIZ); 655e11c3f44Smeem sin6 = (struct sockaddr_in6 *)&(lifrp->lifr_nd.lnr_addr); 656e11c3f44Smeem sin6->sin6_family = AF_INET6; 657e11c3f44Smeem sin6->sin6_addr = pi->pi_ifaddr; 658e11c3f44Smeem if (ioctl(pi->pi_sock, SIOCLIFGETND, lifrp) < 0) { 659e11c3f44Smeem /* 660e11c3f44Smeem * For IPMP interfaces, don't report ESRCH errors since that 661e11c3f44Smeem * merely indicates that there are no active interfaces in the 662e11c3f44Smeem * IPMP group (and thus there's no working hardware address), 663e11c3f44Smeem * and the packet will thus never make it out anyway. 664e11c3f44Smeem */ 665e11c3f44Smeem if (!(pi->pi_flags & IFF_IPMP) || errno != ESRCH) 666e11c3f44Smeem logperror_pi(pi, "phyint_get_lla: SIOCLIFGETND"); 667e11c3f44Smeem return (-1); 668e11c3f44Smeem } 669e11c3f44Smeem return (0); 670e11c3f44Smeem } 671e11c3f44Smeem 6727c478bd9Sstevel@tonic-gate /* 6737c478bd9Sstevel@tonic-gate * Randomize pi->pi_ReachableTime. 6747c478bd9Sstevel@tonic-gate * Done periodically when there are no RAs and at a maximum frequency when 6757c478bd9Sstevel@tonic-gate * RA's arrive. 6767c478bd9Sstevel@tonic-gate * Assumes that caller has determined that it is time to generate 6777c478bd9Sstevel@tonic-gate * a new random ReachableTime. 6787c478bd9Sstevel@tonic-gate */ 6797c478bd9Sstevel@tonic-gate void 6807c478bd9Sstevel@tonic-gate phyint_reach_random(struct phyint *pi, boolean_t set_needed) 6817c478bd9Sstevel@tonic-gate { 682e11c3f44Smeem struct lifreq lifr; 683e11c3f44Smeem 6847c478bd9Sstevel@tonic-gate pi->pi_ReachableTime = GET_RANDOM( 6857c478bd9Sstevel@tonic-gate (int)(ND_MIN_RANDOM_FACTOR * pi->pi_BaseReachableTime), 6867c478bd9Sstevel@tonic-gate (int)(ND_MAX_RANDOM_FACTOR * pi->pi_BaseReachableTime)); 6877c478bd9Sstevel@tonic-gate if (set_needed) { 688e11c3f44Smeem bzero(&lifr, sizeof (lifr)); 689e11c3f44Smeem (void) strlcpy(lifr.lifr_name, pi->pi_name, LIFNAMSIZ); 6907c478bd9Sstevel@tonic-gate lifr.lifr_ifinfo.lir_reachtime = pi->pi_ReachableTime; 6917c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFLNKINFO, (char *)&lifr) < 0) { 6927c478bd9Sstevel@tonic-gate logperror_pi(pi, 6937c478bd9Sstevel@tonic-gate "phyint_reach_random: SIOCSLIFLNKINFO"); 6947c478bd9Sstevel@tonic-gate return; 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate pi->pi_reach_time_since_random = 0; 6987c478bd9Sstevel@tonic-gate } 6997c478bd9Sstevel@tonic-gate 7007c478bd9Sstevel@tonic-gate /* 7017c478bd9Sstevel@tonic-gate * Validate a temporary token against a list of known bad values. 7027c478bd9Sstevel@tonic-gate * Currently assumes that token is 8 bytes long! Current known 7037c478bd9Sstevel@tonic-gate * bad values include 0, reserved anycast tokens (RFC 2526), tokens 7047c478bd9Sstevel@tonic-gate * used by ISATAP (draft-ietf-ngtrans-isatap-N), any token already 7057c478bd9Sstevel@tonic-gate * assigned to this interface, or any token for which the global 7067c478bd9Sstevel@tonic-gate * bit is set. 7077c478bd9Sstevel@tonic-gate * 7087c478bd9Sstevel@tonic-gate * Called by tmptoken_create(). 7097c478bd9Sstevel@tonic-gate * 7107c478bd9Sstevel@tonic-gate * Return _B_TRUE if token is valid (no match), _B_FALSE if not. 7117c478bd9Sstevel@tonic-gate */ 7127c478bd9Sstevel@tonic-gate static boolean_t 7137c478bd9Sstevel@tonic-gate tmptoken_isvalid(struct in6_addr *token) 7147c478bd9Sstevel@tonic-gate { 7157c478bd9Sstevel@tonic-gate struct phyint *pi; 7167c478bd9Sstevel@tonic-gate struct in6_addr mask; 7177c478bd9Sstevel@tonic-gate struct in6_addr isatap = { 0, 0, 0, 0, 0, 0, 0, 0, \ 7187c478bd9Sstevel@tonic-gate 0, 0, 0x5e, 0xfe, 0, 0, 0, 0 }; 7197c478bd9Sstevel@tonic-gate struct in6_addr anycast = { 0, 0, 0, 0, \ 7207c478bd9Sstevel@tonic-gate 0, 0, 0, 0, \ 7217c478bd9Sstevel@tonic-gate 0xfd, 0xff, 0xff, 0xff, \ 7227c478bd9Sstevel@tonic-gate 0xff, 0xff, 0xff, 0x80 }; 7237c478bd9Sstevel@tonic-gate 7247c478bd9Sstevel@tonic-gate if (IN6_IS_ADDR_UNSPECIFIED(token)) 7257c478bd9Sstevel@tonic-gate return (_B_FALSE); 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate if (token->s6_addr[8] & 0x2) 7287c478bd9Sstevel@tonic-gate return (_B_FALSE); 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate (void) memcpy(&mask, token, sizeof (mask)); 7317c478bd9Sstevel@tonic-gate mask._S6_un._S6_u32[3] = 0; 7327c478bd9Sstevel@tonic-gate if (IN6_ARE_ADDR_EQUAL(&isatap, token)) 7337c478bd9Sstevel@tonic-gate return (_B_FALSE); 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate mask._S6_un._S6_u32[3] = token->_S6_un._S6_u32[3] & 0xffffff80; 7367c478bd9Sstevel@tonic-gate if (IN6_ARE_ADDR_EQUAL(&anycast, token)) 7377c478bd9Sstevel@tonic-gate return (_B_FALSE); 7387c478bd9Sstevel@tonic-gate 7397c478bd9Sstevel@tonic-gate for (pi = phyints; pi != NULL; pi = pi->pi_next) { 7407c478bd9Sstevel@tonic-gate if (((pi->pi_token_length == TMP_TOKEN_BITS) && 7417c478bd9Sstevel@tonic-gate IN6_ARE_ADDR_EQUAL(&pi->pi_token, token)) || 7427c478bd9Sstevel@tonic-gate IN6_ARE_ADDR_EQUAL(&pi->pi_tmp_token, token)) 7437c478bd9Sstevel@tonic-gate return (_B_FALSE); 7447c478bd9Sstevel@tonic-gate } 7457c478bd9Sstevel@tonic-gate 7467c478bd9Sstevel@tonic-gate /* none of our tests failed, must be a good one! */ 7477c478bd9Sstevel@tonic-gate return (_B_TRUE); 7487c478bd9Sstevel@tonic-gate } 7497c478bd9Sstevel@tonic-gate 7507c478bd9Sstevel@tonic-gate /* 7517c478bd9Sstevel@tonic-gate * Generate a temporary token and set up its timer 7527c478bd9Sstevel@tonic-gate * 7537c478bd9Sstevel@tonic-gate * Called from incoming_prefix_addrconf_process() (when token is first 7547c478bd9Sstevel@tonic-gate * needed) and from tmptoken_timer() (when current token expires). 7557c478bd9Sstevel@tonic-gate * 7567c478bd9Sstevel@tonic-gate * Returns _B_TRUE if a token was successfully generated, _B_FALSE if not. 7577c478bd9Sstevel@tonic-gate */ 7587c478bd9Sstevel@tonic-gate boolean_t 7597c478bd9Sstevel@tonic-gate tmptoken_create(struct phyint *pi) 7607c478bd9Sstevel@tonic-gate { 7617c478bd9Sstevel@tonic-gate int fd, i = 0, max_tries = 15; 7627c478bd9Sstevel@tonic-gate struct in6_addr token; 7637c478bd9Sstevel@tonic-gate uint32_t *tokenp = &(token._S6_un._S6_u32[2]); 7647c478bd9Sstevel@tonic-gate char buf[INET6_ADDRSTRLEN]; 7657c478bd9Sstevel@tonic-gate 7667c478bd9Sstevel@tonic-gate if ((fd = open("/dev/urandom", O_RDONLY)) == -1) { 7677c478bd9Sstevel@tonic-gate perror("open /dev/urandom"); 7687c478bd9Sstevel@tonic-gate goto no_token; 7697c478bd9Sstevel@tonic-gate } 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate bzero((char *)&token, sizeof (token)); 7727c478bd9Sstevel@tonic-gate do { 7737c478bd9Sstevel@tonic-gate if (read(fd, (void *)tokenp, TMP_TOKEN_BYTES) == -1) { 7747c478bd9Sstevel@tonic-gate perror("read /dev/urandom"); 7757c478bd9Sstevel@tonic-gate (void) close(fd); 7767c478bd9Sstevel@tonic-gate goto no_token; 7777c478bd9Sstevel@tonic-gate } 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate /* 7807c478bd9Sstevel@tonic-gate * Assume EUI-64 formatting, and thus 64-bit 7817c478bd9Sstevel@tonic-gate * token len; need to clear global bit. 7827c478bd9Sstevel@tonic-gate */ 7837c478bd9Sstevel@tonic-gate token.s6_addr[8] &= 0xfd; 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate i++; 7867c478bd9Sstevel@tonic-gate 7877c478bd9Sstevel@tonic-gate } while (!tmptoken_isvalid(&token) && i < max_tries); 7887c478bd9Sstevel@tonic-gate 7897c478bd9Sstevel@tonic-gate (void) close(fd); 7907c478bd9Sstevel@tonic-gate 7917c478bd9Sstevel@tonic-gate if (i == max_tries) { 7927c478bd9Sstevel@tonic-gate no_token: 7937c478bd9Sstevel@tonic-gate logmsg(LOG_WARNING, "tmptoken_create(%s): failed to create " 7947c478bd9Sstevel@tonic-gate "token; disabling temporary addresses on %s\n", 7957c478bd9Sstevel@tonic-gate pi->pi_name, pi->pi_name); 7967c478bd9Sstevel@tonic-gate pi->pi_TmpAddrsEnabled = 0; 7977c478bd9Sstevel@tonic-gate return (_B_FALSE); 7987c478bd9Sstevel@tonic-gate } 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate pi->pi_tmp_token = token; 8017c478bd9Sstevel@tonic-gate 8027c478bd9Sstevel@tonic-gate if (debug & D_TMP) 8037c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "tmptoken_create(%s): created temporary " 8047c478bd9Sstevel@tonic-gate "token %s\n", pi->pi_name, 8057c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, &pi->pi_tmp_token, buf, sizeof (buf))); 8067c478bd9Sstevel@tonic-gate 8077c478bd9Sstevel@tonic-gate pi->pi_TmpRegenCountdown = (pi->pi_TmpPreferredLifetime - 8087c478bd9Sstevel@tonic-gate pi->pi_TmpDesyncFactor - pi->pi_TmpRegenAdvance) * MILLISEC; 8097c478bd9Sstevel@tonic-gate if (pi->pi_TmpRegenCountdown != 0) 8107c478bd9Sstevel@tonic-gate timer_schedule(pi->pi_TmpRegenCountdown); 8117c478bd9Sstevel@tonic-gate 8127c478bd9Sstevel@tonic-gate return (_B_TRUE); 8137c478bd9Sstevel@tonic-gate } 8147c478bd9Sstevel@tonic-gate 8157c478bd9Sstevel@tonic-gate /* 8167c478bd9Sstevel@tonic-gate * Delete a temporary token. This is outside the normal timeout process, 8177c478bd9Sstevel@tonic-gate * so mark any existing addresses based on this token DEPRECATED and set 8187c478bd9Sstevel@tonic-gate * their preferred lifetime to 0. Don't tamper with valid lifetime, that 8197c478bd9Sstevel@tonic-gate * will be used to eventually remove the address. Also reset the current 8207c478bd9Sstevel@tonic-gate * pi_tmp_token value to 0. 8217c478bd9Sstevel@tonic-gate * 8227c478bd9Sstevel@tonic-gate * Called from incoming_prefix_addrconf_process() if DAD fails on a temp 8237c478bd9Sstevel@tonic-gate * addr. 8247c478bd9Sstevel@tonic-gate */ 8257c478bd9Sstevel@tonic-gate void 8267c478bd9Sstevel@tonic-gate tmptoken_delete(struct phyint *pi) 8277c478bd9Sstevel@tonic-gate { 8287c478bd9Sstevel@tonic-gate struct prefix *pr; 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) { 8317c478bd9Sstevel@tonic-gate if (!(pr->pr_flags & IFF_TEMPORARY) || 8327c478bd9Sstevel@tonic-gate (pr->pr_flags & IFF_DEPRECATED) || 8337c478bd9Sstevel@tonic-gate (!token_equal(pr->pr_address, pi->pi_tmp_token, 8347c478bd9Sstevel@tonic-gate TMP_TOKEN_BITS))) { 8357c478bd9Sstevel@tonic-gate continue; 8367c478bd9Sstevel@tonic-gate } 8377c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime = 0; 8387c478bd9Sstevel@tonic-gate pr->pr_state |= PR_DEPRECATED; 8397c478bd9Sstevel@tonic-gate prefix_update_k(pr); 8407c478bd9Sstevel@tonic-gate } 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate (void) memset(&pi->pi_tmp_token, 0, sizeof (pi->pi_tmp_token)); 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate /* 8467c478bd9Sstevel@tonic-gate * Called from run_timeouts() with the number of milliseconds elapsed 8477c478bd9Sstevel@tonic-gate * since the last call. Determines if any timeout event has occurred 8487c478bd9Sstevel@tonic-gate * and returns the number of milliseconds until the next timeout event 8497c478bd9Sstevel@tonic-gate * for the tmp token. Returns TIMER_INFINITY for "never". 8507c478bd9Sstevel@tonic-gate */ 8517c478bd9Sstevel@tonic-gate uint_t 8527c478bd9Sstevel@tonic-gate tmptoken_timer(struct phyint *pi, uint_t elapsed) 8537c478bd9Sstevel@tonic-gate { 8547c478bd9Sstevel@tonic-gate struct nd_opt_prefix_info opt; 8557c478bd9Sstevel@tonic-gate struct sockaddr_in6 sin6; 8567c478bd9Sstevel@tonic-gate struct prefix *pr, *newpr; 8577c478bd9Sstevel@tonic-gate 8587c478bd9Sstevel@tonic-gate if (debug & D_TMP) { 8597c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "tmptoken_timer(%s, %d) regencountdown %d\n", 8607c478bd9Sstevel@tonic-gate pi->pi_name, (int)elapsed, pi->pi_TmpRegenCountdown); 8617c478bd9Sstevel@tonic-gate } 8627c478bd9Sstevel@tonic-gate if (!pi->pi_TmpAddrsEnabled || 8637c478bd9Sstevel@tonic-gate (pi->pi_TmpRegenCountdown == TIMER_INFINITY)) 8647c478bd9Sstevel@tonic-gate return (TIMER_INFINITY); 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate if (pi->pi_TmpRegenCountdown > elapsed) { 8677c478bd9Sstevel@tonic-gate pi->pi_TmpRegenCountdown -= elapsed; 8687c478bd9Sstevel@tonic-gate return (pi->pi_TmpRegenCountdown); 8697c478bd9Sstevel@tonic-gate } 8707c478bd9Sstevel@tonic-gate 8717c478bd9Sstevel@tonic-gate /* 8727c478bd9Sstevel@tonic-gate * Tmp token timer has expired. Start by generating a new token. 8737c478bd9Sstevel@tonic-gate * If we can't get a new token, tmp addrs are disabled on this 8747c478bd9Sstevel@tonic-gate * interface, so there's no need to continue, or to set a timer. 8757c478bd9Sstevel@tonic-gate */ 8767c478bd9Sstevel@tonic-gate if (!tmptoken_create(pi)) 8777c478bd9Sstevel@tonic-gate return (TIMER_INFINITY); 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate /* 8807c478bd9Sstevel@tonic-gate * Now that we have a new token, walk the list of prefixes to 8817c478bd9Sstevel@tonic-gate * find which ones need a corresponding tmp addr generated. 8827c478bd9Sstevel@tonic-gate */ 8837c478bd9Sstevel@tonic-gate for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) { 8847c478bd9Sstevel@tonic-gate 8857c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_AUTO) || pr->pr_state & PR_STATIC || 8867c478bd9Sstevel@tonic-gate pr->pr_state & PR_DEPRECATED || 8877c478bd9Sstevel@tonic-gate pr->pr_flags & IFF_TEMPORARY) 8887c478bd9Sstevel@tonic-gate continue; 8897c478bd9Sstevel@tonic-gate 8907c478bd9Sstevel@tonic-gate newpr = prefix_create(pi, pr->pr_prefix, pr->pr_prefix_len, 8917c478bd9Sstevel@tonic-gate IFF_TEMPORARY); 8927c478bd9Sstevel@tonic-gate if (newpr == NULL) { 8937c478bd9Sstevel@tonic-gate char pbuf[INET6_ADDRSTRLEN]; 8947c478bd9Sstevel@tonic-gate char tbuf[INET6_ADDRSTRLEN]; 8957c478bd9Sstevel@tonic-gate (void) inet_ntop(AF_INET6, &pr->pr_prefix, pbuf, 8967c478bd9Sstevel@tonic-gate sizeof (pbuf)); 8977c478bd9Sstevel@tonic-gate (void) inet_ntop(AF_INET6, &pi->pi_tmp_token, tbuf, 8987c478bd9Sstevel@tonic-gate sizeof (tbuf)); 8997c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "can't create new tmp addr " 9007c478bd9Sstevel@tonic-gate "(%s, %s, %s)\n", pi->pi_name, pbuf, tbuf); 9017c478bd9Sstevel@tonic-gate continue; 9027c478bd9Sstevel@tonic-gate } 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate /* 9057c478bd9Sstevel@tonic-gate * We want to use incoming_prefix_*_process() functions to 9067c478bd9Sstevel@tonic-gate * set up the new tmp addr, so cobble together a prefix 9077c478bd9Sstevel@tonic-gate * info option struct based on the existing prefix to pass 9087c478bd9Sstevel@tonic-gate * in. The lifetimes will be based on the current time 9097c478bd9Sstevel@tonic-gate * remaining. 9107c478bd9Sstevel@tonic-gate * 9117c478bd9Sstevel@tonic-gate * The "from" param is only used for messages; pass in 9127c478bd9Sstevel@tonic-gate * ::0 for that. 9137c478bd9Sstevel@tonic-gate */ 9147c478bd9Sstevel@tonic-gate opt.nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION; 9157c478bd9Sstevel@tonic-gate opt.nd_opt_pi_len = sizeof (opt) / 8; 9167c478bd9Sstevel@tonic-gate opt.nd_opt_pi_prefix_len = pr->pr_prefix_len; 9177c478bd9Sstevel@tonic-gate opt.nd_opt_pi_flags_reserved = ND_OPT_PI_FLAG_AUTO; 9187c478bd9Sstevel@tonic-gate opt.nd_opt_pi_valid_time = 9197c478bd9Sstevel@tonic-gate htonl(pr->pr_ValidLifetime / 1000); 9207c478bd9Sstevel@tonic-gate opt.nd_opt_pi_preferred_time = 9217c478bd9Sstevel@tonic-gate htonl(pr->pr_PreferredLifetime / 1000); 9227c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_ONLINK) 9237c478bd9Sstevel@tonic-gate opt.nd_opt_pi_flags_reserved &= ND_OPT_PI_FLAG_ONLINK; 9247c478bd9Sstevel@tonic-gate opt.nd_opt_pi_prefix = pr->pr_prefix; 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate (void) memset(&sin6, 0, sizeof (sin6)); 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate if (!incoming_prefix_addrconf_process(pi, newpr, 9297c478bd9Sstevel@tonic-gate (uchar_t *)&opt, &sin6, _B_FALSE, _B_TRUE)) { 9307c478bd9Sstevel@tonic-gate char pbuf[INET6_ADDRSTRLEN]; 9317c478bd9Sstevel@tonic-gate char tbuf[INET6_ADDRSTRLEN]; 9327c478bd9Sstevel@tonic-gate (void) inet_ntop(AF_INET6, &pr->pr_prefix, pbuf, 9337c478bd9Sstevel@tonic-gate sizeof (pbuf)); 9347c478bd9Sstevel@tonic-gate (void) inet_ntop(AF_INET6, &pi->pi_tmp_token, tbuf, 9357c478bd9Sstevel@tonic-gate sizeof (tbuf)); 9367c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "can't create new tmp addr " 9377c478bd9Sstevel@tonic-gate "(%s, %s, %s)\n", pi->pi_name, pbuf, tbuf); 9387c478bd9Sstevel@tonic-gate continue; 9397c478bd9Sstevel@tonic-gate } 9407c478bd9Sstevel@tonic-gate 9417c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_ONLINK) { 9427c478bd9Sstevel@tonic-gate incoming_prefix_onlink_process(newpr, (uchar_t *)&opt); 9437c478bd9Sstevel@tonic-gate } 9447c478bd9Sstevel@tonic-gate } 9457c478bd9Sstevel@tonic-gate 9467c478bd9Sstevel@tonic-gate /* 9477c478bd9Sstevel@tonic-gate * appropriate timers were scheduled when 9487c478bd9Sstevel@tonic-gate * the token and addresses were created. 9497c478bd9Sstevel@tonic-gate */ 9507c478bd9Sstevel@tonic-gate return (TIMER_INFINITY); 9517c478bd9Sstevel@tonic-gate } 9527c478bd9Sstevel@tonic-gate 9537c478bd9Sstevel@tonic-gate /* 9547c478bd9Sstevel@tonic-gate * tlen specifies the token length in bits. Compares the lower 9557c478bd9Sstevel@tonic-gate * tlen bits of the two addresses provided and returns _B_TRUE if 9567c478bd9Sstevel@tonic-gate * they match, _B_FALSE if not. Also returns _B_FALSE for invalid 9577c478bd9Sstevel@tonic-gate * values of tlen. 9587c478bd9Sstevel@tonic-gate */ 9597c478bd9Sstevel@tonic-gate boolean_t 9607c478bd9Sstevel@tonic-gate token_equal(struct in6_addr t1, struct in6_addr t2, int tlen) 9617c478bd9Sstevel@tonic-gate { 9627c478bd9Sstevel@tonic-gate uchar_t mask; 9637c478bd9Sstevel@tonic-gate int j, abytes, tbytes, tbits; 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate if (tlen < 0 || tlen > IPV6_ABITS) 9667c478bd9Sstevel@tonic-gate return (_B_FALSE); 9677c478bd9Sstevel@tonic-gate 9687c478bd9Sstevel@tonic-gate abytes = IPV6_ABITS >> 3; 9697c478bd9Sstevel@tonic-gate tbytes = tlen >> 3; 9707c478bd9Sstevel@tonic-gate tbits = tlen & 7; 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate for (j = abytes - 1; j >= abytes - tbytes; j--) 9737c478bd9Sstevel@tonic-gate if (t1.s6_addr[j] != t2.s6_addr[j]) 9747c478bd9Sstevel@tonic-gate return (_B_FALSE); 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate if (tbits == 0) 9777c478bd9Sstevel@tonic-gate return (_B_TRUE); 9787c478bd9Sstevel@tonic-gate 9797c478bd9Sstevel@tonic-gate /* We only care about the tbits rightmost bits */ 9807c478bd9Sstevel@tonic-gate mask = 0xff >> (8 - tbits); 9817c478bd9Sstevel@tonic-gate if ((t1.s6_addr[j] & mask) != (t2.s6_addr[j] & mask)) 9827c478bd9Sstevel@tonic-gate return (_B_FALSE); 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate return (_B_TRUE); 9857c478bd9Sstevel@tonic-gate } 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate /* 9887c478bd9Sstevel@tonic-gate * Lookup prefix structure that matches the prefix and prefix length. 9897c478bd9Sstevel@tonic-gate * Assumes that the bits after prefixlen might not be zero. 9907c478bd9Sstevel@tonic-gate */ 9917c478bd9Sstevel@tonic-gate static struct prefix * 9927c478bd9Sstevel@tonic-gate prefix_lookup(struct phyint *pi, struct in6_addr prefix, int prefixlen) 9937c478bd9Sstevel@tonic-gate { 9947c478bd9Sstevel@tonic-gate struct prefix *pr; 9957c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 9987c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_lookup(%s, %s/%u)\n", pi->pi_name, 9997c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&prefix, 10007c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), prefixlen); 10017c478bd9Sstevel@tonic-gate } 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) { 10047c478bd9Sstevel@tonic-gate if (pr->pr_prefix_len == prefixlen && 10057c478bd9Sstevel@tonic-gate prefix_equal(prefix, pr->pr_prefix, prefixlen)) 10067c478bd9Sstevel@tonic-gate return (pr); 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate return (NULL); 10097c478bd9Sstevel@tonic-gate } 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate /* 10127c478bd9Sstevel@tonic-gate * Compare two prefixes that have the same prefix length. 10137c478bd9Sstevel@tonic-gate * Fails if the prefix length is unreasonable. 10147c478bd9Sstevel@tonic-gate */ 10157c478bd9Sstevel@tonic-gate boolean_t 10167c478bd9Sstevel@tonic-gate prefix_equal(struct in6_addr p1, struct in6_addr p2, int plen) 10177c478bd9Sstevel@tonic-gate { 10187c478bd9Sstevel@tonic-gate uchar_t mask; 10197c478bd9Sstevel@tonic-gate int j, pbytes, pbits; 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate if (plen < 0 || plen > IPV6_ABITS) 10227c478bd9Sstevel@tonic-gate return (_B_FALSE); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate pbytes = plen >> 3; 10257c478bd9Sstevel@tonic-gate pbits = plen & 7; 10267c478bd9Sstevel@tonic-gate 10277c478bd9Sstevel@tonic-gate for (j = 0; j < pbytes; j++) 10287c478bd9Sstevel@tonic-gate if (p1.s6_addr[j] != p2.s6_addr[j]) 10297c478bd9Sstevel@tonic-gate return (_B_FALSE); 10307c478bd9Sstevel@tonic-gate 10317c478bd9Sstevel@tonic-gate if (pbits == 0) 10327c478bd9Sstevel@tonic-gate return (_B_TRUE); 10337c478bd9Sstevel@tonic-gate 10347c478bd9Sstevel@tonic-gate /* Make the N leftmost bits one */ 10357c478bd9Sstevel@tonic-gate mask = 0xff << (8 - pbits); 10367c478bd9Sstevel@tonic-gate if ((p1.s6_addr[j] & mask) != (p2.s6_addr[j] & mask)) 10377c478bd9Sstevel@tonic-gate return (_B_FALSE); 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate return (_B_TRUE); 10407c478bd9Sstevel@tonic-gate } 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate /* 10437c478bd9Sstevel@tonic-gate * Set a prefix from an address and a prefix length. 10447c478bd9Sstevel@tonic-gate * Force all the bits after the prefix length to be zero. 10457c478bd9Sstevel@tonic-gate */ 10467c478bd9Sstevel@tonic-gate void 10477c478bd9Sstevel@tonic-gate prefix_set(struct in6_addr *prefix, struct in6_addr addr, int prefix_len) 10487c478bd9Sstevel@tonic-gate { 10497c478bd9Sstevel@tonic-gate uchar_t mask; 10507c478bd9Sstevel@tonic-gate int j; 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate if (prefix_len < 0 || prefix_len > IPV6_ABITS) 10537c478bd9Sstevel@tonic-gate return; 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate bzero((char *)prefix, sizeof (*prefix)); 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate for (j = 0; prefix_len > 8; prefix_len -= 8, j++) 10587c478bd9Sstevel@tonic-gate prefix->s6_addr[j] = addr.s6_addr[j]; 10597c478bd9Sstevel@tonic-gate 10607c478bd9Sstevel@tonic-gate /* Make the N leftmost bits one */ 10617c478bd9Sstevel@tonic-gate mask = 0xff << (8 - prefix_len); 10627c478bd9Sstevel@tonic-gate prefix->s6_addr[j] = addr.s6_addr[j] & mask; 10637c478bd9Sstevel@tonic-gate } 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate /* 10667c478bd9Sstevel@tonic-gate * Lookup a prefix based on the kernel's interface name. 10677c478bd9Sstevel@tonic-gate */ 10687c478bd9Sstevel@tonic-gate struct prefix * 10697c478bd9Sstevel@tonic-gate prefix_lookup_name(struct phyint *pi, char *name) 10707c478bd9Sstevel@tonic-gate { 10717c478bd9Sstevel@tonic-gate struct prefix *pr; 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 10747c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_lookup_name(%s, %s)\n", 10757c478bd9Sstevel@tonic-gate pi->pi_name, name); 10767c478bd9Sstevel@tonic-gate } 10777c478bd9Sstevel@tonic-gate if (name[0] == '\0') 10787c478bd9Sstevel@tonic-gate return (NULL); 10797c478bd9Sstevel@tonic-gate 10807c478bd9Sstevel@tonic-gate for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) { 10817c478bd9Sstevel@tonic-gate if (strcmp(name, pr->pr_name) == 0) 10827c478bd9Sstevel@tonic-gate return (pr); 10837c478bd9Sstevel@tonic-gate } 10847c478bd9Sstevel@tonic-gate return (NULL); 10857c478bd9Sstevel@tonic-gate } 10867c478bd9Sstevel@tonic-gate 10877c478bd9Sstevel@tonic-gate /* 10887c478bd9Sstevel@tonic-gate * Search the phyints list to make sure that this new prefix does 10897c478bd9Sstevel@tonic-gate * not already exist in any other physical interfaces that have 10907c478bd9Sstevel@tonic-gate * the same address as this one 10917c478bd9Sstevel@tonic-gate */ 10927c478bd9Sstevel@tonic-gate struct prefix * 10937c478bd9Sstevel@tonic-gate prefix_lookup_addr_match(struct prefix *pr) 10947c478bd9Sstevel@tonic-gate { 10957c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 10967c478bd9Sstevel@tonic-gate struct phyint *pi; 10977c478bd9Sstevel@tonic-gate struct prefix *otherpr = NULL; 10987c478bd9Sstevel@tonic-gate struct in6_addr prefix; 10997c478bd9Sstevel@tonic-gate int prefixlen; 11007c478bd9Sstevel@tonic-gate 11017c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 11027c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_lookup_addr_match(%s/%u)\n", 11037c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_address, 11047c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len); 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate prefix = pr->pr_prefix; 11077c478bd9Sstevel@tonic-gate prefixlen = pr->pr_prefix_len; 11087c478bd9Sstevel@tonic-gate for (pi = phyints; pi != NULL; pi = pi->pi_next) { 11097c478bd9Sstevel@tonic-gate otherpr = prefix_lookup(pi, prefix, prefixlen); 11107c478bd9Sstevel@tonic-gate if (otherpr == pr) 11117c478bd9Sstevel@tonic-gate continue; 11127c478bd9Sstevel@tonic-gate if (otherpr != NULL && (otherpr->pr_state & PR_AUTO) && 11137c478bd9Sstevel@tonic-gate IN6_ARE_ADDR_EQUAL(&pr->pr_address, 11147c478bd9Sstevel@tonic-gate &otherpr->pr_address)) 11157c478bd9Sstevel@tonic-gate return (otherpr); 11167c478bd9Sstevel@tonic-gate } 11177c478bd9Sstevel@tonic-gate return (NULL); 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate 11207c478bd9Sstevel@tonic-gate /* 11217c478bd9Sstevel@tonic-gate * Initialize a new prefix without setting lifetimes etc. 11227c478bd9Sstevel@tonic-gate */ 11237c478bd9Sstevel@tonic-gate struct prefix * 11247c478bd9Sstevel@tonic-gate prefix_create(struct phyint *pi, struct in6_addr prefix, int prefixlen, 11257c478bd9Sstevel@tonic-gate uint64_t flags) 11267c478bd9Sstevel@tonic-gate { 11277c478bd9Sstevel@tonic-gate struct prefix *pr; 11287c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 11297c478bd9Sstevel@tonic-gate 11307c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 11317c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_create(%s, %s/%u, 0x%llx)\n", 11327c478bd9Sstevel@tonic-gate pi->pi_name, inet_ntop(AF_INET6, (void *)&prefix, 11337c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), prefixlen, flags); 11347c478bd9Sstevel@tonic-gate } 11357c478bd9Sstevel@tonic-gate pr = (struct prefix *)calloc(sizeof (struct prefix), 1); 11367c478bd9Sstevel@tonic-gate if (pr == NULL) { 11377c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "prefix_create: out of memory\n"); 11387c478bd9Sstevel@tonic-gate return (NULL); 11397c478bd9Sstevel@tonic-gate } 11407c478bd9Sstevel@tonic-gate /* 11417c478bd9Sstevel@tonic-gate * The prefix might have non-zero bits after the prefix len bits. 11427c478bd9Sstevel@tonic-gate * Force them to be zero. 11437c478bd9Sstevel@tonic-gate */ 11447c478bd9Sstevel@tonic-gate prefix_set(&pr->pr_prefix, prefix, prefixlen); 11457c478bd9Sstevel@tonic-gate pr->pr_prefix_len = prefixlen; 11467c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime = PREFIX_INFINITY; 11477c478bd9Sstevel@tonic-gate pr->pr_ValidLifetime = PREFIX_INFINITY; 11487c478bd9Sstevel@tonic-gate pr->pr_OnLinkLifetime = PREFIX_INFINITY; 11497c478bd9Sstevel@tonic-gate pr->pr_kernel_state = 0; 11507c478bd9Sstevel@tonic-gate pr->pr_flags |= flags; 11517c478bd9Sstevel@tonic-gate prefix_insert(pi, pr); 11527c478bd9Sstevel@tonic-gate return (pr); 11537c478bd9Sstevel@tonic-gate } 11547c478bd9Sstevel@tonic-gate 11557c478bd9Sstevel@tonic-gate /* 11567c478bd9Sstevel@tonic-gate * Create a new named prefix. Caller should use prefix_init_from_k 11577c478bd9Sstevel@tonic-gate * to initialize the content. 11587c478bd9Sstevel@tonic-gate */ 11597c478bd9Sstevel@tonic-gate struct prefix * 11607c478bd9Sstevel@tonic-gate prefix_create_name(struct phyint *pi, char *name) 11617c478bd9Sstevel@tonic-gate { 11627c478bd9Sstevel@tonic-gate struct prefix *pr; 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 11657c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_create_name(%s, %s)\n", 11667c478bd9Sstevel@tonic-gate pi->pi_name, name); 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate pr = (struct prefix *)calloc(sizeof (struct prefix), 1); 11697c478bd9Sstevel@tonic-gate if (pr == NULL) { 11707c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "prefix_create_name: out of memory\n"); 11717c478bd9Sstevel@tonic-gate return (NULL); 11727c478bd9Sstevel@tonic-gate } 11737c478bd9Sstevel@tonic-gate (void) strncpy(pr->pr_name, name, sizeof (pr->pr_name)); 11747c478bd9Sstevel@tonic-gate pr->pr_name[sizeof (pr->pr_name) - 1] = '\0'; 11757c478bd9Sstevel@tonic-gate prefix_insert(pi, pr); 11767c478bd9Sstevel@tonic-gate return (pr); 11777c478bd9Sstevel@tonic-gate } 11787c478bd9Sstevel@tonic-gate 11797c478bd9Sstevel@tonic-gate /* Insert in linked list */ 11807c478bd9Sstevel@tonic-gate static void 11817c478bd9Sstevel@tonic-gate prefix_insert(struct phyint *pi, struct prefix *pr) 11827c478bd9Sstevel@tonic-gate { 11837c478bd9Sstevel@tonic-gate pr->pr_next = pi->pi_prefix_list; 11847c478bd9Sstevel@tonic-gate pr->pr_prev = NULL; 11857c478bd9Sstevel@tonic-gate if (pi->pi_prefix_list != NULL) 11867c478bd9Sstevel@tonic-gate pi->pi_prefix_list->pr_prev = pr; 11877c478bd9Sstevel@tonic-gate pi->pi_prefix_list = pr; 11887c478bd9Sstevel@tonic-gate pr->pr_physical = pi; 11897c478bd9Sstevel@tonic-gate } 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate /* 11927c478bd9Sstevel@tonic-gate * Initialize the prefix from the content of the kernel. 11937c478bd9Sstevel@tonic-gate * If IFF_ADDRCONF is set we treat it as PR_AUTO (i.e. an addrconf 1194d04ccbb3Scarlsonj * prefix). However, we cannot derive the lifetime from 1195d04ccbb3Scarlsonj * the kernel, thus it is set to 1 week. 11967c478bd9Sstevel@tonic-gate * Ignore the prefix if the interface is not IFF_UP. 1197d04ccbb3Scarlsonj * If it's from DHCPv6, then we set the netmask. 11987c478bd9Sstevel@tonic-gate */ 11997c478bd9Sstevel@tonic-gate int 12007c478bd9Sstevel@tonic-gate prefix_init_from_k(struct prefix *pr) 12017c478bd9Sstevel@tonic-gate { 12027c478bd9Sstevel@tonic-gate struct lifreq lifr; 12037c478bd9Sstevel@tonic-gate struct sockaddr_in6 *sin6; 12047c478bd9Sstevel@tonic-gate int sock = pr->pr_physical->pi_sock; 12057c478bd9Sstevel@tonic-gate 12067c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, sizeof (lifr.lifr_name)); 12077c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 12087c478bd9Sstevel@tonic-gate if (ioctl(sock, SIOCGLIFADDR, (char *)&lifr) < 0) { 12097c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_init_from_k: ioctl (get addr)"); 12107c478bd9Sstevel@tonic-gate goto error; 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate if (lifr.lifr_addr.ss_family != AF_INET6) { 12137c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "ignoring interface %s: not AF_INET6\n", 12147c478bd9Sstevel@tonic-gate pr->pr_name); 12157c478bd9Sstevel@tonic-gate goto error; 12167c478bd9Sstevel@tonic-gate } 12177c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 12187c478bd9Sstevel@tonic-gate pr->pr_address = sin6->sin6_addr; 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate if (ioctl(sock, SIOCGLIFFLAGS, (char *)&lifr) < 0) { 12217c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_init_from_k: ioctl (get flags)"); 12227c478bd9Sstevel@tonic-gate goto error; 12237c478bd9Sstevel@tonic-gate } 12247c478bd9Sstevel@tonic-gate pr->pr_flags = lifr.lifr_flags; 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate /* 1227d04ccbb3Scarlsonj * If this is a DHCPv6 interface, then we control the netmask. 12287c478bd9Sstevel@tonic-gate */ 1229d04ccbb3Scarlsonj if (lifr.lifr_flags & IFF_DHCPRUNNING) { 1230d04ccbb3Scarlsonj struct phyint *pi = pr->pr_physical; 1231d04ccbb3Scarlsonj struct prefix *pr2; 1232d04ccbb3Scarlsonj 1233d04ccbb3Scarlsonj pr->pr_prefix_len = IPV6_ABITS; 1234d04ccbb3Scarlsonj if (!(lifr.lifr_flags & IFF_UP) || 1235d04ccbb3Scarlsonj IN6_IS_ADDR_UNSPECIFIED(&pr->pr_address) || 1236d04ccbb3Scarlsonj IN6_IS_ADDR_LINKLOCAL(&pr->pr_address)) { 1237d04ccbb3Scarlsonj if (debug & D_DHCP) 1238d04ccbb3Scarlsonj logmsg(LOG_DEBUG, "prefix_init_from_k: " 1239d04ccbb3Scarlsonj "ignoring DHCP %s not ready\n", 1240d04ccbb3Scarlsonj pr->pr_name); 1241d04ccbb3Scarlsonj return (0); 1242d04ccbb3Scarlsonj } 12437c478bd9Sstevel@tonic-gate 1244d04ccbb3Scarlsonj for (pr2 = pi->pi_prefix_list; pr2 != NULL; 1245d04ccbb3Scarlsonj pr2 = pr2->pr_next) { 1246d04ccbb3Scarlsonj /* 1247d04ccbb3Scarlsonj * Examine any non-static (autoconfigured) prefixes as 1248d04ccbb3Scarlsonj * well as existing DHCP-controlled prefixes for valid 1249d04ccbb3Scarlsonj * prefix length information. 1250d04ccbb3Scarlsonj */ 1251d04ccbb3Scarlsonj if (pr2->pr_prefix_len != IPV6_ABITS && 1252d04ccbb3Scarlsonj (!(pr2->pr_state & PR_STATIC) || 1253d04ccbb3Scarlsonj (pr2->pr_flags & IFF_DHCPRUNNING)) && 1254d04ccbb3Scarlsonj prefix_equal(pr->pr_prefix, pr2->pr_prefix, 1255d04ccbb3Scarlsonj pr2->pr_prefix_len)) { 1256d04ccbb3Scarlsonj pr->pr_prefix_len = pr2->pr_prefix_len; 1257d04ccbb3Scarlsonj break; 1258d04ccbb3Scarlsonj } 1259d04ccbb3Scarlsonj } 1260d04ccbb3Scarlsonj if (pr2 == NULL) { 1261d04ccbb3Scarlsonj if (debug & D_DHCP) 1262d04ccbb3Scarlsonj logmsg(LOG_DEBUG, "prefix_init_from_k: no " 1263d04ccbb3Scarlsonj "saved mask for DHCP %s; need to " 1264d04ccbb3Scarlsonj "resolicit\n", pr->pr_name); 1265d04ccbb3Scarlsonj (void) check_to_solicit(pi, RESTART_INIT_SOLICIT); 1266d04ccbb3Scarlsonj } else { 1267d04ccbb3Scarlsonj if (debug & D_DHCP) 1268d04ccbb3Scarlsonj logmsg(LOG_DEBUG, "prefix_init_from_k: using " 1269d04ccbb3Scarlsonj "%s mask for DHCP %s\n", 1270d04ccbb3Scarlsonj pr2->pr_name[0] == '\0' ? "saved" : 1271d04ccbb3Scarlsonj pr2->pr_name, pr->pr_name); 1272d04ccbb3Scarlsonj prefix_update_dhcp(pr); 1273d04ccbb3Scarlsonj } 1274*6e91bba0SGirish Moodalbail /* 1275*6e91bba0SGirish Moodalbail * If this interface was created using ipadm, store the 1276*6e91bba0SGirish Moodalbail * addrobj for the DHCPv6 interface in ipmgmtd daemon's 1277*6e91bba0SGirish Moodalbail * in-memory aobjmap. 1278*6e91bba0SGirish Moodalbail */ 1279*6e91bba0SGirish Moodalbail prefix_update_ipadm_addrobj(pr, _B_TRUE); 1280d04ccbb3Scarlsonj } else { 1281d04ccbb3Scarlsonj if (ioctl(sock, SIOCGLIFSUBNET, (char *)&lifr) < 0) { 1282d04ccbb3Scarlsonj logperror_pr(pr, 1283d04ccbb3Scarlsonj "prefix_init_from_k: ioctl (get subnet)"); 1284d04ccbb3Scarlsonj goto error; 1285d04ccbb3Scarlsonj } 1286d04ccbb3Scarlsonj if (lifr.lifr_subnet.ss_family != AF_INET6) { 1287d04ccbb3Scarlsonj logmsg(LOG_ERR, 1288d04ccbb3Scarlsonj "ignoring interface %s: not AF_INET6\n", 1289d04ccbb3Scarlsonj pr->pr_name); 1290d04ccbb3Scarlsonj goto error; 1291d04ccbb3Scarlsonj } 1292d04ccbb3Scarlsonj /* 1293d04ccbb3Scarlsonj * Guard against the prefix having non-zero bits after the 1294d04ccbb3Scarlsonj * prefix len bits. 1295d04ccbb3Scarlsonj */ 1296d04ccbb3Scarlsonj sin6 = (struct sockaddr_in6 *)&lifr.lifr_subnet; 1297d04ccbb3Scarlsonj pr->pr_prefix_len = lifr.lifr_addrlen; 1298d04ccbb3Scarlsonj prefix_set(&pr->pr_prefix, sin6->sin6_addr, pr->pr_prefix_len); 1299d04ccbb3Scarlsonj 1300d04ccbb3Scarlsonj if (pr->pr_prefix_len != IPV6_ABITS && 1301d04ccbb3Scarlsonj (pr->pr_flags & IFF_UP) && 1302d04ccbb3Scarlsonj IN6_ARE_ADDR_EQUAL(&pr->pr_address, &pr->pr_prefix)) { 1303d04ccbb3Scarlsonj char abuf[INET6_ADDRSTRLEN]; 1304d04ccbb3Scarlsonj 1305b12d9c4eSmeem logmsg(LOG_ERR, "ignoring interface %s: it appears to " 1306d04ccbb3Scarlsonj "be configured with an invalid interface id " 1307d04ccbb3Scarlsonj "(%s/%u)\n", 1308d04ccbb3Scarlsonj pr->pr_name, 1309d04ccbb3Scarlsonj inet_ntop(AF_INET6, (void *)&pr->pr_address, 1310d04ccbb3Scarlsonj abuf, sizeof (abuf)), pr->pr_prefix_len); 1311d04ccbb3Scarlsonj goto error; 1312d04ccbb3Scarlsonj } 13137c478bd9Sstevel@tonic-gate } 13147c478bd9Sstevel@tonic-gate pr->pr_kernel_state = 0; 13157c478bd9Sstevel@tonic-gate if (pr->pr_prefix_len != IPV6_ABITS) 13167c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_ONLINK; 1317d04ccbb3Scarlsonj if (!(pr->pr_flags & (IFF_NOLOCAL | IFF_DHCPRUNNING))) 13187c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_AUTO; 13197c478bd9Sstevel@tonic-gate if ((pr->pr_flags & IFF_DEPRECATED) && (pr->pr_kernel_state & PR_AUTO)) 13207c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_DEPRECATED; 13217c478bd9Sstevel@tonic-gate if (!(pr->pr_flags & IFF_ADDRCONF)) { 13227c478bd9Sstevel@tonic-gate /* Prevent ndpd from stepping on this prefix */ 13237c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_STATIC; 13247c478bd9Sstevel@tonic-gate } 13257c478bd9Sstevel@tonic-gate pr->pr_state = pr->pr_kernel_state; 13267c478bd9Sstevel@tonic-gate /* Adjust pr_prefix_len based if PR_AUTO is set */ 13277c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_AUTO) { 13287c478bd9Sstevel@tonic-gate pr->pr_prefix_len = 13297c478bd9Sstevel@tonic-gate IPV6_ABITS - pr->pr_physical->pi_token_length; 13307c478bd9Sstevel@tonic-gate prefix_set(&pr->pr_prefix, pr->pr_prefix, pr->pr_prefix_len); 13317c478bd9Sstevel@tonic-gate } 13327c478bd9Sstevel@tonic-gate 13337c478bd9Sstevel@tonic-gate /* Can't extract lifetimes from the kernel - use 1 week */ 13347c478bd9Sstevel@tonic-gate pr->pr_ValidLifetime = NDP_PREFIX_DEFAULT_LIFETIME; 13357c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime = NDP_PREFIX_DEFAULT_LIFETIME; 13367c478bd9Sstevel@tonic-gate pr->pr_OnLinkLifetime = NDP_PREFIX_DEFAULT_LIFETIME; 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate /* 13397c478bd9Sstevel@tonic-gate * If this is a temp addr, the creation time needs to be set. 13407c478bd9Sstevel@tonic-gate * Though it won't be entirely accurate, the current time is 13417c478bd9Sstevel@tonic-gate * an okay approximation. 13427c478bd9Sstevel@tonic-gate */ 13437c478bd9Sstevel@tonic-gate if (pr->pr_flags & IFF_TEMPORARY) 13447c478bd9Sstevel@tonic-gate pr->pr_CreateTime = getcurrenttime() / MILLISEC; 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate if (pr->pr_kernel_state == 0) 13477c478bd9Sstevel@tonic-gate pr->pr_name[0] = '\0'; 13487c478bd9Sstevel@tonic-gate return (0); 13497c478bd9Sstevel@tonic-gate 13507c478bd9Sstevel@tonic-gate error: 13517c478bd9Sstevel@tonic-gate /* Pretend that the prefix does not exist in the kernel */ 13527c478bd9Sstevel@tonic-gate pr->pr_kernel_state = 0; 13537c478bd9Sstevel@tonic-gate pr->pr_name[0] = '\0'; 13547c478bd9Sstevel@tonic-gate return (-1); 13557c478bd9Sstevel@tonic-gate } 13567c478bd9Sstevel@tonic-gate 13577c478bd9Sstevel@tonic-gate /* 13587c478bd9Sstevel@tonic-gate * Delete (unlink and free) and remove from kernel if the prefix 13597c478bd9Sstevel@tonic-gate * was added by in.ndpd (i.e. PR_STATIC is not set). 13607c478bd9Sstevel@tonic-gate * Handles delete of things that have not yet been inserted in the list 13617c478bd9Sstevel@tonic-gate * i.e. pr_physical is NULL. 1362*6e91bba0SGirish Moodalbail * Removes the ipadm addrobj created for the prefix. 13637c478bd9Sstevel@tonic-gate */ 13647c478bd9Sstevel@tonic-gate void 13657c478bd9Sstevel@tonic-gate prefix_delete(struct prefix *pr) 13667c478bd9Sstevel@tonic-gate { 13677c478bd9Sstevel@tonic-gate struct phyint *pi; 13687c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 13697c478bd9Sstevel@tonic-gate 13707c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 13717c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_delete(%s, %s, %s/%u)\n", 13727c478bd9Sstevel@tonic-gate pr->pr_physical->pi_name, pr->pr_name, 13737c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, 13747c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len); 13757c478bd9Sstevel@tonic-gate } 1376*6e91bba0SGirish Moodalbail pi = pr->pr_physical; 1377*6e91bba0SGirish Moodalbail 13787c478bd9Sstevel@tonic-gate /* Remove non-static prefixes from the kernel. */ 13797c478bd9Sstevel@tonic-gate pr->pr_state &= PR_STATIC; 13807c478bd9Sstevel@tonic-gate if (pr->pr_kernel_state != pr->pr_state) 13817c478bd9Sstevel@tonic-gate prefix_update_k(pr); 13827c478bd9Sstevel@tonic-gate 13837c478bd9Sstevel@tonic-gate if (pr->pr_prev == NULL) { 13847c478bd9Sstevel@tonic-gate if (pi != NULL) 13857c478bd9Sstevel@tonic-gate pi->pi_prefix_list = pr->pr_next; 13867c478bd9Sstevel@tonic-gate } else { 13877c478bd9Sstevel@tonic-gate pr->pr_prev->pr_next = pr->pr_next; 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate if (pr->pr_next != NULL) 13907c478bd9Sstevel@tonic-gate pr->pr_next->pr_prev = pr->pr_prev; 13917c478bd9Sstevel@tonic-gate pr->pr_next = pr->pr_prev = NULL; 1392*6e91bba0SGirish Moodalbail 13937c478bd9Sstevel@tonic-gate free(pr); 13947c478bd9Sstevel@tonic-gate } 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate /* 13977c478bd9Sstevel@tonic-gate * Toggle one or more IFF_ flags for a prefix. Turn on 'onflags' and 13987c478bd9Sstevel@tonic-gate * turn off 'offflags'. 13997c478bd9Sstevel@tonic-gate */ 14007c478bd9Sstevel@tonic-gate static int 14017c478bd9Sstevel@tonic-gate prefix_modify_flags(struct prefix *pr, uint64_t onflags, uint64_t offflags) 14027c478bd9Sstevel@tonic-gate { 14037c478bd9Sstevel@tonic-gate struct lifreq lifr; 14047c478bd9Sstevel@tonic-gate struct phyint *pi = pr->pr_physical; 14057c478bd9Sstevel@tonic-gate uint64_t old_flags; 14067c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 14077c478bd9Sstevel@tonic-gate 14087c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 14097c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_modify_flags(%s, %s, %s/%u) " 14107c478bd9Sstevel@tonic-gate "flags %llx on %llx off %llx\n", 14117c478bd9Sstevel@tonic-gate pr->pr_physical->pi_name, 14127c478bd9Sstevel@tonic-gate pr->pr_name, 14137c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, 14147c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len, 14157c478bd9Sstevel@tonic-gate pr->pr_flags, onflags, offflags); 14167c478bd9Sstevel@tonic-gate } 14177c478bd9Sstevel@tonic-gate /* Assumes that only the PR_STATIC link-local matches the pi_name */ 14187c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_STATIC) && 14197c478bd9Sstevel@tonic-gate strcmp(pr->pr_name, pi->pi_name) == 0) { 14207c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "prefix_modify_flags(%s, on %llx, off %llx): " 14217c478bd9Sstevel@tonic-gate "name matches interface name\n", 14227c478bd9Sstevel@tonic-gate pi->pi_name, onflags, offflags); 14237c478bd9Sstevel@tonic-gate return (-1); 14247c478bd9Sstevel@tonic-gate } 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, sizeof (lifr.lifr_name)); 14277c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 14287c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCGLIFFLAGS, (char *)&lifr) < 0) { 1429e11c3f44Smeem if (errno != ENXIO) { 1430e11c3f44Smeem logperror_pr(pr, "prefix_modify_flags: SIOCGLIFFLAGS"); 1431e11c3f44Smeem logmsg(LOG_ERR, "prefix_modify_flags(%s, %s) old 0x%llx" 1432e11c3f44Smeem " on 0x%llx off 0x%llx\n", pr->pr_physical->pi_name, 1433e11c3f44Smeem pr->pr_name, pr->pr_flags, onflags, offflags); 1434e11c3f44Smeem } 14357c478bd9Sstevel@tonic-gate return (-1); 14367c478bd9Sstevel@tonic-gate } 14377c478bd9Sstevel@tonic-gate old_flags = lifr.lifr_flags; 14387c478bd9Sstevel@tonic-gate lifr.lifr_flags |= onflags; 14397c478bd9Sstevel@tonic-gate lifr.lifr_flags &= ~offflags; 14407c478bd9Sstevel@tonic-gate pr->pr_flags = lifr.lifr_flags; 14417c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFFLAGS, (char *)&lifr) < 0) { 1442e11c3f44Smeem if (errno != ENXIO) { 1443e11c3f44Smeem logperror_pr(pr, "prefix_modify_flags: SIOCSLIFFLAGS"); 1444e11c3f44Smeem logmsg(LOG_ERR, "prefix_modify_flags(%s, %s) old 0x%llx" 1445e11c3f44Smeem " new 0x%llx on 0x%llx off 0x%llx\n", 1446e11c3f44Smeem pr->pr_physical->pi_name, pr->pr_name, 1447e11c3f44Smeem old_flags, lifr.lifr_flags, onflags, offflags); 1448e11c3f44Smeem } 14497c478bd9Sstevel@tonic-gate return (-1); 14507c478bd9Sstevel@tonic-gate } 14517c478bd9Sstevel@tonic-gate return (0); 1452d04ccbb3Scarlsonj } 1453d04ccbb3Scarlsonj 1454d04ccbb3Scarlsonj /* 1455d04ccbb3Scarlsonj * Update the subnet mask for this interface under DHCPv6 control. 1456d04ccbb3Scarlsonj */ 1457d04ccbb3Scarlsonj void 1458d04ccbb3Scarlsonj prefix_update_dhcp(struct prefix *pr) 1459d04ccbb3Scarlsonj { 1460d04ccbb3Scarlsonj struct lifreq lifr; 1461d04ccbb3Scarlsonj 1462d04ccbb3Scarlsonj (void) memset(&lifr, 0, sizeof (lifr)); 1463d04ccbb3Scarlsonj (void) strlcpy(lifr.lifr_name, pr->pr_name, sizeof (lifr.lifr_name)); 1464d04ccbb3Scarlsonj lifr.lifr_addr.ss_family = AF_INET6; 1465d04ccbb3Scarlsonj prefix_set(&((struct sockaddr_in6 *)&lifr.lifr_addr)->sin6_addr, 1466d04ccbb3Scarlsonj pr->pr_address, pr->pr_prefix_len); 1467d04ccbb3Scarlsonj lifr.lifr_addrlen = pr->pr_prefix_len; 1468d04ccbb3Scarlsonj /* 1469d04ccbb3Scarlsonj * Ignore ENXIO, as the dhcpagent process is responsible for plumbing 1470d04ccbb3Scarlsonj * and unplumbing these. 1471d04ccbb3Scarlsonj */ 1472d04ccbb3Scarlsonj if (ioctl(pr->pr_physical->pi_sock, SIOCSLIFSUBNET, (char *)&lifr) == 1473d04ccbb3Scarlsonj -1 && errno != ENXIO) 1474d04ccbb3Scarlsonj logperror_pr(pr, "prefix_update_dhcp: ioctl (set subnet)"); 14757c478bd9Sstevel@tonic-gate } 14767c478bd9Sstevel@tonic-gate 14777c478bd9Sstevel@tonic-gate /* 14787c478bd9Sstevel@tonic-gate * Make the kernel state match what is in the prefix structure. 14797c478bd9Sstevel@tonic-gate * This includes creating the prefix (allocating a new interface name) 14807c478bd9Sstevel@tonic-gate * as well as setting the local address and on-link subnet prefix 14817c478bd9Sstevel@tonic-gate * and controlling the IFF_ADDRCONF and IFF_DEPRECATED flags. 14827c478bd9Sstevel@tonic-gate */ 14837c478bd9Sstevel@tonic-gate void 14847c478bd9Sstevel@tonic-gate prefix_update_k(struct prefix *pr) 14857c478bd9Sstevel@tonic-gate { 14867c478bd9Sstevel@tonic-gate struct lifreq lifr; 14877c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 14887c478bd9Sstevel@tonic-gate char buf1[PREFIX_STATESTRLEN], buf2[PREFIX_STATESTRLEN]; 14897c478bd9Sstevel@tonic-gate struct phyint *pi = pr->pr_physical; 14907c478bd9Sstevel@tonic-gate struct sockaddr_in6 *sin6; 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 14937c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s, %s, %s/%u) " 14947c478bd9Sstevel@tonic-gate "from %s to %s\n", pr->pr_physical->pi_name, pr->pr_name, 14957c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, 14967c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len, 14977c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_kernel_state, buf1, 14987c478bd9Sstevel@tonic-gate sizeof (buf1)), 14997c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_state, buf2, sizeof (buf2))); 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate 15027c478bd9Sstevel@tonic-gate if (pr->pr_kernel_state == pr->pr_state) 15037c478bd9Sstevel@tonic-gate return; /* No changes */ 15047c478bd9Sstevel@tonic-gate 15057c478bd9Sstevel@tonic-gate /* Skip static prefixes */ 15067c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_STATIC) 15077c478bd9Sstevel@tonic-gate return; 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate if (pr->pr_kernel_state == 0) { 15107c478bd9Sstevel@tonic-gate uint64_t onflags; 15117c478bd9Sstevel@tonic-gate /* 15127c478bd9Sstevel@tonic-gate * Create a new logical interface name and store in pr_name. 15137c478bd9Sstevel@tonic-gate * Set IFF_ADDRCONF. Do not set an address (yet). 15147c478bd9Sstevel@tonic-gate */ 15157c478bd9Sstevel@tonic-gate if (pr->pr_name[0] != '\0') { 15167c478bd9Sstevel@tonic-gate /* Name already set! */ 15177c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "prefix_update_k(%s, %s, %s/%u) " 15187c478bd9Sstevel@tonic-gate "from %s to %s name is already allocated\n", 15197c478bd9Sstevel@tonic-gate pr->pr_physical->pi_name, pr->pr_name, 15207c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, 15217c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len, 15227c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_kernel_state, buf1, 15237c478bd9Sstevel@tonic-gate sizeof (buf1)), 15247c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_state, buf2, 15257c478bd9Sstevel@tonic-gate sizeof (buf2))); 15267c478bd9Sstevel@tonic-gate return; 15277c478bd9Sstevel@tonic-gate } 15287c478bd9Sstevel@tonic-gate 15297c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pi->pi_name, 15307c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 15317c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 15327c478bd9Sstevel@tonic-gate lifr.lifr_addr.ss_family = AF_UNSPEC; 15337c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCLIFADDIF, (char *)&lifr) < 0) { 15347c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCLIFADDIF"); 15357c478bd9Sstevel@tonic-gate return; 15367c478bd9Sstevel@tonic-gate } 15377c478bd9Sstevel@tonic-gate (void) strncpy(pr->pr_name, lifr.lifr_name, 15387c478bd9Sstevel@tonic-gate sizeof (pr->pr_name)); 15397c478bd9Sstevel@tonic-gate pr->pr_name[sizeof (pr->pr_name) - 1] = '\0'; 15407c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 15417c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k: new name %s\n", 15427c478bd9Sstevel@tonic-gate pr->pr_name); 15437c478bd9Sstevel@tonic-gate } 15447c478bd9Sstevel@tonic-gate /* 15457c478bd9Sstevel@tonic-gate * The IFF_TEMPORARY flag might have already been set; if 15467c478bd9Sstevel@tonic-gate * so, it needs to be or'd into the flags we're turning on. 15477c478bd9Sstevel@tonic-gate * But be careful, we might be re-creating a manually 15487c478bd9Sstevel@tonic-gate * removed interface, in which case we don't want to try 15497c478bd9Sstevel@tonic-gate * to set *all* the flags we might have in our copy of the 15507c478bd9Sstevel@tonic-gate * flags yet. 15517c478bd9Sstevel@tonic-gate */ 15527c478bd9Sstevel@tonic-gate onflags = IFF_ADDRCONF; 15537c478bd9Sstevel@tonic-gate if (pr->pr_flags & IFF_TEMPORARY) 15547c478bd9Sstevel@tonic-gate onflags |= IFF_TEMPORARY; 15557c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, onflags, 0) == -1) 15567c478bd9Sstevel@tonic-gate return; 15577c478bd9Sstevel@tonic-gate } 15587c478bd9Sstevel@tonic-gate if ((pr->pr_state & (PR_ONLINK|PR_AUTO)) == 0) { 15597c478bd9Sstevel@tonic-gate /* Remove the interface */ 15607c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, 0, IFF_UP|IFF_DEPRECATED) == -1) 15617c478bd9Sstevel@tonic-gate return; 15627c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, 15637c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 15647c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 15657c478bd9Sstevel@tonic-gate 15667c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 15677c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k: remove name %s\n", 15687c478bd9Sstevel@tonic-gate pr->pr_name); 15697c478bd9Sstevel@tonic-gate } 15707c478bd9Sstevel@tonic-gate 15717c478bd9Sstevel@tonic-gate /* 15727c478bd9Sstevel@tonic-gate * Assumes that only the PR_STATIC link-local matches 15737c478bd9Sstevel@tonic-gate * the pi_name 15747c478bd9Sstevel@tonic-gate */ 15757c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_STATIC) && 15767c478bd9Sstevel@tonic-gate strcmp(pr->pr_name, pi->pi_name) == 0) { 15777c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "prefix_update_k(%s): " 15787c478bd9Sstevel@tonic-gate "name matches if\n", pi->pi_name); 15797c478bd9Sstevel@tonic-gate return; 15807c478bd9Sstevel@tonic-gate } 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate /* Remove logical interface based on pr_name */ 15837c478bd9Sstevel@tonic-gate lifr.lifr_addr.ss_family = AF_UNSPEC; 1584e11c3f44Smeem if (ioctl(pi->pi_sock, SIOCLIFREMOVEIF, (char *)&lifr) < 0 && 1585e11c3f44Smeem errno != ENXIO) { 15867c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCLIFREMOVEIF"); 15877c478bd9Sstevel@tonic-gate } 15887c478bd9Sstevel@tonic-gate pr->pr_kernel_state = 0; 15897c478bd9Sstevel@tonic-gate pr->pr_name[0] = '\0'; 15907c478bd9Sstevel@tonic-gate return; 15917c478bd9Sstevel@tonic-gate } 15927c478bd9Sstevel@tonic-gate if ((pr->pr_state & PR_AUTO) && !(pr->pr_kernel_state & PR_AUTO)) { 15937c478bd9Sstevel@tonic-gate /* 15947c478bd9Sstevel@tonic-gate * Set local address and set the prefix length to 128. 15957c478bd9Sstevel@tonic-gate * Turn off IFF_NOLOCAL in case it was set. 15967c478bd9Sstevel@tonic-gate * Turn on IFF_UP. 15977c478bd9Sstevel@tonic-gate */ 15987c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, 15997c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 16007c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 16017c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 16027c478bd9Sstevel@tonic-gate bzero(sin6, sizeof (struct sockaddr_in6)); 16037c478bd9Sstevel@tonic-gate sin6->sin6_family = AF_INET6; 16047c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_address; 16057c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 16067c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) set addr %s " 16077c478bd9Sstevel@tonic-gate "for PR_AUTO on\n", 16087c478bd9Sstevel@tonic-gate pr->pr_name, 16097c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_address, 1610b12d9c4eSmeem abuf, sizeof (abuf))); 16117c478bd9Sstevel@tonic-gate } 16127c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFADDR, (char *)&lifr) < 0) { 16137c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCSLIFADDR"); 16147c478bd9Sstevel@tonic-gate return; 16157c478bd9Sstevel@tonic-gate } 1616*6e91bba0SGirish Moodalbail /* 1617*6e91bba0SGirish Moodalbail * If this interface was created using ipadm, store the 1618*6e91bba0SGirish Moodalbail * addrobj for the prefix in ipmgmtd daemon's aobjmap. 1619*6e91bba0SGirish Moodalbail */ 1620*6e91bba0SGirish Moodalbail prefix_update_ipadm_addrobj(pr, _B_TRUE); 16217c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_ONLINK) { 16227c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_prefix; 16237c478bd9Sstevel@tonic-gate lifr.lifr_addrlen = pr->pr_prefix_len; 16247c478bd9Sstevel@tonic-gate } else { 16257c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_address; 16267c478bd9Sstevel@tonic-gate lifr.lifr_addrlen = IPV6_ABITS; 16277c478bd9Sstevel@tonic-gate } 16287c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 16297c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) set subnet " 16307c478bd9Sstevel@tonic-gate "%s/%u for PR_AUTO on\n", pr->pr_name, 16317c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 1632b12d9c4eSmeem abuf, sizeof (abuf)), lifr.lifr_addrlen); 16337c478bd9Sstevel@tonic-gate } 16347c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFSUBNET, (char *)&lifr) < 0) { 16357c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCSLIFSUBNET"); 16367c478bd9Sstevel@tonic-gate return; 16377c478bd9Sstevel@tonic-gate } 16387c478bd9Sstevel@tonic-gate /* 16397c478bd9Sstevel@tonic-gate * For ptp interfaces, create a destination based on 16407c478bd9Sstevel@tonic-gate * prefix and prefix len together with the remote token 16417c478bd9Sstevel@tonic-gate * extracted from the remote pt-pt address. This is used by 16427c478bd9Sstevel@tonic-gate * ip to choose a proper source for outgoing packets. 16437c478bd9Sstevel@tonic-gate */ 16447c478bd9Sstevel@tonic-gate if (pi->pi_flags & IFF_POINTOPOINT) { 16457c478bd9Sstevel@tonic-gate int i; 16467c478bd9Sstevel@tonic-gate 16477c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 16487c478bd9Sstevel@tonic-gate bzero(sin6, sizeof (struct sockaddr_in6)); 16497c478bd9Sstevel@tonic-gate sin6->sin6_family = AF_INET6; 16507c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_prefix; 16517c478bd9Sstevel@tonic-gate for (i = 0; i < 16; i++) { 16527c478bd9Sstevel@tonic-gate sin6->sin6_addr.s6_addr[i] |= 16537c478bd9Sstevel@tonic-gate pi->pi_dst_token.s6_addr[i]; 16547c478bd9Sstevel@tonic-gate } 16557c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 16567c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) " 16577c478bd9Sstevel@tonic-gate "set dstaddr %s for PR_AUTO on\n", 16587c478bd9Sstevel@tonic-gate pr->pr_name, inet_ntop(AF_INET6, 16597c478bd9Sstevel@tonic-gate (void *)&sin6->sin6_addr, 16607c478bd9Sstevel@tonic-gate abuf, sizeof (abuf))); 16617c478bd9Sstevel@tonic-gate } 16627c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFDSTADDR, 16637c478bd9Sstevel@tonic-gate (char *)&lifr) < 0) { 16647c478bd9Sstevel@tonic-gate logperror_pr(pr, 16657c478bd9Sstevel@tonic-gate "prefix_update_k: SIOCSLIFDSTADDR"); 16667c478bd9Sstevel@tonic-gate return; 16677c478bd9Sstevel@tonic-gate } 16687c478bd9Sstevel@tonic-gate } 16697c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, IFF_UP, IFF_NOLOCAL) == -1) 16707c478bd9Sstevel@tonic-gate return; 16717c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_AUTO; 16727c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_ONLINK) 16737c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_ONLINK; 16747c478bd9Sstevel@tonic-gate else 16757c478bd9Sstevel@tonic-gate pr->pr_kernel_state &= ~PR_ONLINK; 16767c478bd9Sstevel@tonic-gate } 16777c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_AUTO) && (pr->pr_kernel_state & PR_AUTO)) { 16787c478bd9Sstevel@tonic-gate /* Turn on IFF_NOLOCAL and set the local address to all zero */ 16797c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, IFF_NOLOCAL, 0) == -1) 16807c478bd9Sstevel@tonic-gate return; 16817c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, 16827c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 16837c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 16847c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 16857c478bd9Sstevel@tonic-gate bzero(sin6, sizeof (struct sockaddr_in6)); 16867c478bd9Sstevel@tonic-gate sin6->sin6_family = AF_INET6; 16877c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 16887c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) set addr %s " 16897c478bd9Sstevel@tonic-gate "for PR_AUTO off\n", pr->pr_name, 16907c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 1691b12d9c4eSmeem abuf, sizeof (abuf))); 16927c478bd9Sstevel@tonic-gate } 16937c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFADDR, (char *)&lifr) < 0) { 16947c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCSLIFADDR"); 16957c478bd9Sstevel@tonic-gate return; 16967c478bd9Sstevel@tonic-gate } 16977c478bd9Sstevel@tonic-gate pr->pr_kernel_state &= ~PR_AUTO; 16987c478bd9Sstevel@tonic-gate } 16997c478bd9Sstevel@tonic-gate if ((pr->pr_state & PR_DEPRECATED) && 17007c478bd9Sstevel@tonic-gate !(pr->pr_kernel_state & PR_DEPRECATED) && 17017c478bd9Sstevel@tonic-gate (pr->pr_kernel_state & PR_AUTO)) { 17027c478bd9Sstevel@tonic-gate /* Only applies if PR_AUTO */ 17037c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, IFF_DEPRECATED, 0) == -1) 17047c478bd9Sstevel@tonic-gate return; 17057c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_DEPRECATED; 17067c478bd9Sstevel@tonic-gate } 17077c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_DEPRECATED) && 17087c478bd9Sstevel@tonic-gate (pr->pr_kernel_state & PR_DEPRECATED)) { 17097c478bd9Sstevel@tonic-gate if (prefix_modify_flags(pr, 0, IFF_DEPRECATED) == -1) 17107c478bd9Sstevel@tonic-gate return; 17117c478bd9Sstevel@tonic-gate pr->pr_kernel_state &= ~PR_DEPRECATED; 17127c478bd9Sstevel@tonic-gate } 17137c478bd9Sstevel@tonic-gate if ((pr->pr_state & PR_ONLINK) && !(pr->pr_kernel_state & PR_ONLINK)) { 17147c478bd9Sstevel@tonic-gate /* Set the subnet and set IFF_UP */ 17157c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, 17167c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 17177c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 17187c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 17197c478bd9Sstevel@tonic-gate bzero(sin6, sizeof (struct sockaddr_in6)); 17207c478bd9Sstevel@tonic-gate sin6->sin6_family = AF_INET6; 17217c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_prefix; 17227c478bd9Sstevel@tonic-gate lifr.lifr_addrlen = pr->pr_prefix_len; 17237c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 17247c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) set subnet " 17257c478bd9Sstevel@tonic-gate "%s/%d for PR_ONLINK on\n", pr->pr_name, 17267c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 1727b12d9c4eSmeem abuf, sizeof (abuf)), lifr.lifr_addrlen); 17287c478bd9Sstevel@tonic-gate } 17297c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFSUBNET, (char *)&lifr) < 0) { 17307c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCSLIFSUBNET"); 17317c478bd9Sstevel@tonic-gate return; 17327c478bd9Sstevel@tonic-gate } 1733686c2681Scarlsonj /* 1734686c2681Scarlsonj * If we've previously marked the interface "up" while 1735686c2681Scarlsonj * processing the PR_AUTO flag -- via incoming_prefix_addrconf 1736686c2681Scarlsonj * -- then there's no need to set it "up" again. We're done; 1737686c2681Scarlsonj * just set PR_ONLINK to indicate that we've set the subnet. 1738686c2681Scarlsonj */ 1739686c2681Scarlsonj if (!(pr->pr_state & PR_AUTO) && 1740686c2681Scarlsonj prefix_modify_flags(pr, IFF_UP | IFF_NOLOCAL, 0) == -1) 17417c478bd9Sstevel@tonic-gate return; 17427c478bd9Sstevel@tonic-gate pr->pr_kernel_state |= PR_ONLINK; 17437c478bd9Sstevel@tonic-gate } 17447c478bd9Sstevel@tonic-gate if (!(pr->pr_state & PR_ONLINK) && (pr->pr_kernel_state & PR_ONLINK)) { 17457c478bd9Sstevel@tonic-gate /* Set the prefixlen to 128 */ 17467c478bd9Sstevel@tonic-gate (void) strncpy(lifr.lifr_name, pr->pr_name, 17477c478bd9Sstevel@tonic-gate sizeof (lifr.lifr_name)); 17487c478bd9Sstevel@tonic-gate lifr.lifr_name[sizeof (lifr.lifr_name) - 1] = '\0'; 17497c478bd9Sstevel@tonic-gate sin6 = (struct sockaddr_in6 *)&lifr.lifr_addr; 17507c478bd9Sstevel@tonic-gate bzero(sin6, sizeof (struct sockaddr_in6)); 17517c478bd9Sstevel@tonic-gate sin6->sin6_family = AF_INET6; 17527c478bd9Sstevel@tonic-gate sin6->sin6_addr = pr->pr_address; 17537c478bd9Sstevel@tonic-gate lifr.lifr_addrlen = IPV6_ABITS; 17547c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 17557c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_update_k(%s) set subnet " 17567c478bd9Sstevel@tonic-gate "%s/%d for PR_ONLINK off\n", pr->pr_name, 17577c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&sin6->sin6_addr, 1758b12d9c4eSmeem abuf, sizeof (abuf)), lifr.lifr_addrlen); 17597c478bd9Sstevel@tonic-gate } 17607c478bd9Sstevel@tonic-gate if (ioctl(pi->pi_sock, SIOCSLIFSUBNET, (char *)&lifr) < 0) { 17617c478bd9Sstevel@tonic-gate logperror_pr(pr, "prefix_update_k: SIOCSLIFSUBNET"); 17627c478bd9Sstevel@tonic-gate return; 17637c478bd9Sstevel@tonic-gate } 17647c478bd9Sstevel@tonic-gate pr->pr_kernel_state &= ~PR_ONLINK; 17657c478bd9Sstevel@tonic-gate } 17667c478bd9Sstevel@tonic-gate } 17677c478bd9Sstevel@tonic-gate 17687c478bd9Sstevel@tonic-gate /* 17697c478bd9Sstevel@tonic-gate * Called with the number of millseconds elapsed since the last call. 17707c478bd9Sstevel@tonic-gate * Determines if any timeout event has occurred and 17717c478bd9Sstevel@tonic-gate * returns the number of milliseconds until the next timeout event. 17727c478bd9Sstevel@tonic-gate * Returns TIMER_INFINITY for "never". 17737c478bd9Sstevel@tonic-gate */ 17747c478bd9Sstevel@tonic-gate uint_t 17757c478bd9Sstevel@tonic-gate prefix_timer(struct prefix *pr, uint_t elapsed) 17767c478bd9Sstevel@tonic-gate { 17777c478bd9Sstevel@tonic-gate uint_t next = TIMER_INFINITY; 17787c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 17797c478bd9Sstevel@tonic-gate 17807c478bd9Sstevel@tonic-gate if (debug & (D_PREFIX|D_TMP)) { 17817c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "prefix_timer(%s, %s/%u, %d) " 17827c478bd9Sstevel@tonic-gate "valid %d pref %d onlink %d\n", 17837c478bd9Sstevel@tonic-gate pr->pr_name, 17847c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, 17857c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), pr->pr_prefix_len, 17867c478bd9Sstevel@tonic-gate elapsed, pr->pr_ValidLifetime, pr->pr_PreferredLifetime, 17877c478bd9Sstevel@tonic-gate pr->pr_OnLinkLifetime); 17887c478bd9Sstevel@tonic-gate } 17897c478bd9Sstevel@tonic-gate 17907c478bd9Sstevel@tonic-gate /* Exclude static prefixes */ 17917c478bd9Sstevel@tonic-gate if (pr->pr_state & PR_STATIC) 17927c478bd9Sstevel@tonic-gate return (next); 17937c478bd9Sstevel@tonic-gate 17947c478bd9Sstevel@tonic-gate if (pr->pr_AutonomousFlag && 17957c478bd9Sstevel@tonic-gate (pr->pr_PreferredLifetime != PREFIX_INFINITY)) { 17967c478bd9Sstevel@tonic-gate if (pr->pr_PreferredLifetime <= elapsed) { 17977c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime = 0; 17987c478bd9Sstevel@tonic-gate } else { 17997c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime -= elapsed; 18007c478bd9Sstevel@tonic-gate if (pr->pr_PreferredLifetime < next) 18017c478bd9Sstevel@tonic-gate next = pr->pr_PreferredLifetime; 18027c478bd9Sstevel@tonic-gate } 18037c478bd9Sstevel@tonic-gate } 18047c478bd9Sstevel@tonic-gate if (pr->pr_AutonomousFlag && 18057c478bd9Sstevel@tonic-gate (pr->pr_ValidLifetime != PREFIX_INFINITY)) { 18067c478bd9Sstevel@tonic-gate if (pr->pr_ValidLifetime <= elapsed) { 18077c478bd9Sstevel@tonic-gate pr->pr_ValidLifetime = 0; 18087c478bd9Sstevel@tonic-gate } else { 18097c478bd9Sstevel@tonic-gate pr->pr_ValidLifetime -= elapsed; 18107c478bd9Sstevel@tonic-gate if (pr->pr_ValidLifetime < next) 18117c478bd9Sstevel@tonic-gate next = pr->pr_ValidLifetime; 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate } 18147c478bd9Sstevel@tonic-gate if (pr->pr_OnLinkFlag && 18157c478bd9Sstevel@tonic-gate (pr->pr_OnLinkLifetime != PREFIX_INFINITY)) { 18167c478bd9Sstevel@tonic-gate if (pr->pr_OnLinkLifetime <= elapsed) { 18177c478bd9Sstevel@tonic-gate pr->pr_OnLinkLifetime = 0; 18187c478bd9Sstevel@tonic-gate } else { 18197c478bd9Sstevel@tonic-gate pr->pr_OnLinkLifetime -= elapsed; 18207c478bd9Sstevel@tonic-gate if (pr->pr_OnLinkLifetime < next) 18217c478bd9Sstevel@tonic-gate next = pr->pr_OnLinkLifetime; 18227c478bd9Sstevel@tonic-gate } 18237c478bd9Sstevel@tonic-gate } 18247c478bd9Sstevel@tonic-gate if (pr->pr_AutonomousFlag && pr->pr_ValidLifetime == 0) 18257c478bd9Sstevel@tonic-gate pr->pr_state &= ~(PR_AUTO|PR_DEPRECATED); 18267c478bd9Sstevel@tonic-gate if (pr->pr_AutonomousFlag && pr->pr_PreferredLifetime == 0 && 18277c478bd9Sstevel@tonic-gate (pr->pr_state & PR_AUTO)) { 18287c478bd9Sstevel@tonic-gate pr->pr_state |= PR_DEPRECATED; 18297c478bd9Sstevel@tonic-gate if (debug & D_TMP) 18307c478bd9Sstevel@tonic-gate logmsg(LOG_WARNING, "prefix_timer: deprecated " 18317c478bd9Sstevel@tonic-gate "prefix(%s)\n", pr->pr_name); 18327c478bd9Sstevel@tonic-gate } 18337c478bd9Sstevel@tonic-gate if (pr->pr_OnLinkFlag && pr->pr_OnLinkLifetime == 0) 18347c478bd9Sstevel@tonic-gate pr->pr_state &= ~PR_ONLINK; 18357c478bd9Sstevel@tonic-gate 18367c478bd9Sstevel@tonic-gate if (pr->pr_state != pr->pr_kernel_state) { 18377c478bd9Sstevel@tonic-gate /* Might cause prefix to be deleted! */ 18387c478bd9Sstevel@tonic-gate 18397c478bd9Sstevel@tonic-gate /* Log a message when an addrconf prefix goes away */ 18407c478bd9Sstevel@tonic-gate if ((pr->pr_kernel_state & PR_AUTO) && 18417c478bd9Sstevel@tonic-gate !(pr->pr_state & PR_AUTO)) { 18427c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate logmsg(LOG_WARNING, 18457c478bd9Sstevel@tonic-gate "Address removed due to timeout %s\n", 18467c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_address, 18477c478bd9Sstevel@tonic-gate abuf, sizeof (abuf))); 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate prefix_update_k(pr); 18507c478bd9Sstevel@tonic-gate } 18517c478bd9Sstevel@tonic-gate 18527c478bd9Sstevel@tonic-gate return (next); 18537c478bd9Sstevel@tonic-gate } 18547c478bd9Sstevel@tonic-gate 18557c478bd9Sstevel@tonic-gate static char * 18567c478bd9Sstevel@tonic-gate prefix_print_state(int state, char *buf, int buflen) 18577c478bd9Sstevel@tonic-gate { 18587c478bd9Sstevel@tonic-gate char *cp; 18597c478bd9Sstevel@tonic-gate int cplen = buflen; 18607c478bd9Sstevel@tonic-gate 18617c478bd9Sstevel@tonic-gate cp = buf; 18627c478bd9Sstevel@tonic-gate cp[0] = '\0'; 18637c478bd9Sstevel@tonic-gate 18647c478bd9Sstevel@tonic-gate if (state & PR_ONLINK) { 18657c478bd9Sstevel@tonic-gate if (strlcat(cp, "ONLINK ", cplen) >= cplen) 18667c478bd9Sstevel@tonic-gate return (buf); 18677c478bd9Sstevel@tonic-gate cp += strlen(cp); 18687c478bd9Sstevel@tonic-gate cplen = buflen - (cp - buf); 18697c478bd9Sstevel@tonic-gate } 18707c478bd9Sstevel@tonic-gate if (state & PR_AUTO) { 18717c478bd9Sstevel@tonic-gate if (strlcat(cp, "AUTO ", cplen) >= cplen) 18727c478bd9Sstevel@tonic-gate return (buf); 18737c478bd9Sstevel@tonic-gate cp += strlen(cp); 18747c478bd9Sstevel@tonic-gate cplen = buflen - (cp - buf); 18757c478bd9Sstevel@tonic-gate } 18767c478bd9Sstevel@tonic-gate if (state & PR_DEPRECATED) { 18777c478bd9Sstevel@tonic-gate if (strlcat(cp, "DEPRECATED ", cplen) >= cplen) 18787c478bd9Sstevel@tonic-gate return (buf); 18797c478bd9Sstevel@tonic-gate cp += strlen(cp); 18807c478bd9Sstevel@tonic-gate cplen = buflen - (cp - buf); 18817c478bd9Sstevel@tonic-gate } 18827c478bd9Sstevel@tonic-gate if (state & PR_STATIC) { 18837c478bd9Sstevel@tonic-gate if (strlcat(cp, "STATIC ", cplen) >= cplen) 18847c478bd9Sstevel@tonic-gate return (buf); 18857c478bd9Sstevel@tonic-gate cp += strlen(cp); 18867c478bd9Sstevel@tonic-gate cplen = buflen - (cp - buf); 18877c478bd9Sstevel@tonic-gate } 18887c478bd9Sstevel@tonic-gate return (buf); 18897c478bd9Sstevel@tonic-gate } 18907c478bd9Sstevel@tonic-gate 18917c478bd9Sstevel@tonic-gate static void 18927c478bd9Sstevel@tonic-gate prefix_print(struct prefix *pr) 18937c478bd9Sstevel@tonic-gate { 18947c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 18957c478bd9Sstevel@tonic-gate char buf1[PREFIX_STATESTRLEN], buf2[PREFIX_STATESTRLEN]; 18967c478bd9Sstevel@tonic-gate 18977c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "Prefix name: %s prefix %s/%u state %s " 18987c478bd9Sstevel@tonic-gate "kernel_state %s\n", pr->pr_name, 18997c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_prefix, abuf, sizeof (abuf)), 19007c478bd9Sstevel@tonic-gate pr->pr_prefix_len, 19017c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_state, buf2, sizeof (buf2)), 19027c478bd9Sstevel@tonic-gate prefix_print_state(pr->pr_kernel_state, buf1, sizeof (buf1))); 19037c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tAddress: %s flags %llx in_use %d\n", 19047c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&pr->pr_address, abuf, sizeof (abuf)), 19057c478bd9Sstevel@tonic-gate pr->pr_flags, pr->pr_in_use); 19067c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tValidLifetime %u PreferredLifetime %u " 19077c478bd9Sstevel@tonic-gate "OnLinkLifetime %u\n", pr->pr_ValidLifetime, 19087c478bd9Sstevel@tonic-gate pr->pr_PreferredLifetime, pr->pr_OnLinkLifetime); 19097c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\tOnLink %d Auto %d\n", 19107c478bd9Sstevel@tonic-gate pr->pr_OnLinkFlag, pr->pr_AutonomousFlag); 19117c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "\n"); 19127c478bd9Sstevel@tonic-gate } 19137c478bd9Sstevel@tonic-gate 19147c478bd9Sstevel@tonic-gate /* 19157c478bd9Sstevel@tonic-gate * Lookup advertisement prefix structure that matches the prefix and 19167c478bd9Sstevel@tonic-gate * prefix length. 19177c478bd9Sstevel@tonic-gate * Assumes that the bits after prefixlen might not be zero. 19187c478bd9Sstevel@tonic-gate */ 19197c478bd9Sstevel@tonic-gate struct adv_prefix * 19207c478bd9Sstevel@tonic-gate adv_prefix_lookup(struct phyint *pi, struct in6_addr prefix, int prefixlen) 19217c478bd9Sstevel@tonic-gate { 19227c478bd9Sstevel@tonic-gate struct adv_prefix *adv_pr; 19237c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 19247c478bd9Sstevel@tonic-gate 19257c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 19267c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "adv_prefix_lookup(%s, %s/%u)\n", 19277c478bd9Sstevel@tonic-gate pi->pi_name, inet_ntop(AF_INET6, (void *)&prefix, 19287c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), prefixlen); 19297c478bd9Sstevel@tonic-gate } 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate for (adv_pr = pi->pi_adv_prefix_list; adv_pr != NULL; 19327c478bd9Sstevel@tonic-gate adv_pr = adv_pr->adv_pr_next) { 19337c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_prefix_len == prefixlen && 19347c478bd9Sstevel@tonic-gate prefix_equal(prefix, adv_pr->adv_pr_prefix, prefixlen)) 19357c478bd9Sstevel@tonic-gate return (adv_pr); 19367c478bd9Sstevel@tonic-gate } 19377c478bd9Sstevel@tonic-gate return (NULL); 19387c478bd9Sstevel@tonic-gate } 19397c478bd9Sstevel@tonic-gate 19407c478bd9Sstevel@tonic-gate /* 19417c478bd9Sstevel@tonic-gate * Initialize a new advertisement prefix. 19427c478bd9Sstevel@tonic-gate */ 19437c478bd9Sstevel@tonic-gate struct adv_prefix * 19447c478bd9Sstevel@tonic-gate adv_prefix_create(struct phyint *pi, struct in6_addr prefix, int prefixlen) 19457c478bd9Sstevel@tonic-gate { 19467c478bd9Sstevel@tonic-gate struct adv_prefix *adv_pr; 19477c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 19487c478bd9Sstevel@tonic-gate 19497c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 19507c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "adv_prefix_create(%s, %s/%u)\n", 19517c478bd9Sstevel@tonic-gate pi->pi_name, inet_ntop(AF_INET6, (void *)&prefix, 19527c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), prefixlen); 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate adv_pr = (struct adv_prefix *)calloc(sizeof (struct adv_prefix), 1); 19557c478bd9Sstevel@tonic-gate if (adv_pr == NULL) { 19567c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "adv_prefix_create: calloc\n"); 19577c478bd9Sstevel@tonic-gate return (NULL); 19587c478bd9Sstevel@tonic-gate } 19597c478bd9Sstevel@tonic-gate /* 19607c478bd9Sstevel@tonic-gate * The prefix might have non-zero bits after the prefix len bits. 19617c478bd9Sstevel@tonic-gate * Force them to be zero. 19627c478bd9Sstevel@tonic-gate */ 19637c478bd9Sstevel@tonic-gate prefix_set(&adv_pr->adv_pr_prefix, prefix, prefixlen); 19647c478bd9Sstevel@tonic-gate adv_pr->adv_pr_prefix_len = prefixlen; 19657c478bd9Sstevel@tonic-gate adv_prefix_insert(pi, adv_pr); 19667c478bd9Sstevel@tonic-gate return (adv_pr); 19677c478bd9Sstevel@tonic-gate } 19687c478bd9Sstevel@tonic-gate 19697c478bd9Sstevel@tonic-gate /* Insert in linked list */ 19707c478bd9Sstevel@tonic-gate static void 19717c478bd9Sstevel@tonic-gate adv_prefix_insert(struct phyint *pi, struct adv_prefix *adv_pr) 19727c478bd9Sstevel@tonic-gate { 19737c478bd9Sstevel@tonic-gate adv_pr->adv_pr_next = pi->pi_adv_prefix_list; 19747c478bd9Sstevel@tonic-gate adv_pr->adv_pr_prev = NULL; 19757c478bd9Sstevel@tonic-gate if (pi->pi_adv_prefix_list != NULL) 19767c478bd9Sstevel@tonic-gate pi->pi_adv_prefix_list->adv_pr_prev = adv_pr; 19777c478bd9Sstevel@tonic-gate pi->pi_adv_prefix_list = adv_pr; 19787c478bd9Sstevel@tonic-gate adv_pr->adv_pr_physical = pi; 19797c478bd9Sstevel@tonic-gate } 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate /* 19827c478bd9Sstevel@tonic-gate * Delete (unlink and free) from our tables. There should be 19837c478bd9Sstevel@tonic-gate * a corresponding "struct prefix *" which will clean up the kernel 19847c478bd9Sstevel@tonic-gate * if necessary. adv_prefix is just used for sending out advertisements. 19857c478bd9Sstevel@tonic-gate */ 19867c478bd9Sstevel@tonic-gate static void 19877c478bd9Sstevel@tonic-gate adv_prefix_delete(struct adv_prefix *adv_pr) 19887c478bd9Sstevel@tonic-gate { 19897c478bd9Sstevel@tonic-gate struct phyint *pi; 19907c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 19917c478bd9Sstevel@tonic-gate 19927c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 19937c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "adv_prefix_delete(%s, %s/%u)\n", 19947c478bd9Sstevel@tonic-gate adv_pr->adv_pr_physical->pi_name, 19957c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&adv_pr->adv_pr_prefix, 19967c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), adv_pr->adv_pr_prefix_len); 19977c478bd9Sstevel@tonic-gate } 19987c478bd9Sstevel@tonic-gate pi = adv_pr->adv_pr_physical; 19997c478bd9Sstevel@tonic-gate 20007c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_prev == NULL) { 20017c478bd9Sstevel@tonic-gate if (pi != NULL) 20027c478bd9Sstevel@tonic-gate pi->pi_adv_prefix_list = adv_pr->adv_pr_next; 20037c478bd9Sstevel@tonic-gate } else { 20047c478bd9Sstevel@tonic-gate adv_pr->adv_pr_prev->adv_pr_next = adv_pr->adv_pr_next; 20057c478bd9Sstevel@tonic-gate } 20067c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_next != NULL) 20077c478bd9Sstevel@tonic-gate adv_pr->adv_pr_next->adv_pr_prev = adv_pr->adv_pr_prev; 20087c478bd9Sstevel@tonic-gate adv_pr->adv_pr_next = adv_pr->adv_pr_prev = NULL; 20097c478bd9Sstevel@tonic-gate free(adv_pr); 20107c478bd9Sstevel@tonic-gate } 20117c478bd9Sstevel@tonic-gate 20127c478bd9Sstevel@tonic-gate /* 20137c478bd9Sstevel@tonic-gate * Called with the number of millseconds elapsed since the last call. 20147c478bd9Sstevel@tonic-gate * Determines if any timeout event has occurred and 20157c478bd9Sstevel@tonic-gate * returns the number of milliseconds until the next timeout event. 20167c478bd9Sstevel@tonic-gate * Returns TIMER_INFINITY for "never". 20177c478bd9Sstevel@tonic-gate */ 20187c478bd9Sstevel@tonic-gate uint_t 20197c478bd9Sstevel@tonic-gate adv_prefix_timer(struct adv_prefix *adv_pr, uint_t elapsed) 20207c478bd9Sstevel@tonic-gate { 20217c478bd9Sstevel@tonic-gate int seconds_elapsed = (elapsed + 500) / 1000; /* Rounded */ 20227c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 20237c478bd9Sstevel@tonic-gate 20247c478bd9Sstevel@tonic-gate if (debug & D_PREFIX) { 20257c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "adv_prefix_timer(%s, %s/%u, %d)\n", 20267c478bd9Sstevel@tonic-gate adv_pr->adv_pr_physical->pi_name, 20277c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&adv_pr->adv_pr_prefix, 20287c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), adv_pr->adv_pr_prefix_len, 20297c478bd9Sstevel@tonic-gate elapsed); 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate /* Decrement Expire time left for real-time lifetimes */ 20337c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_AdvValidRealTime) { 20347c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_AdvValidExpiration > seconds_elapsed) 20357c478bd9Sstevel@tonic-gate adv_pr->adv_pr_AdvValidExpiration -= seconds_elapsed; 20367c478bd9Sstevel@tonic-gate else 20377c478bd9Sstevel@tonic-gate adv_pr->adv_pr_AdvValidExpiration = 0; 20387c478bd9Sstevel@tonic-gate } 20397c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_AdvPreferredRealTime) { 20407c478bd9Sstevel@tonic-gate if (adv_pr->adv_pr_AdvPreferredExpiration > seconds_elapsed) { 20417c478bd9Sstevel@tonic-gate adv_pr->adv_pr_AdvPreferredExpiration -= 20427c478bd9Sstevel@tonic-gate seconds_elapsed; 20437c478bd9Sstevel@tonic-gate } else { 20447c478bd9Sstevel@tonic-gate adv_pr->adv_pr_AdvPreferredExpiration = 0; 20457c478bd9Sstevel@tonic-gate } 20467c478bd9Sstevel@tonic-gate } 20477c478bd9Sstevel@tonic-gate return (TIMER_INFINITY); 20487c478bd9Sstevel@tonic-gate } 20497c478bd9Sstevel@tonic-gate 20507c478bd9Sstevel@tonic-gate static void 20517c478bd9Sstevel@tonic-gate adv_prefix_print(struct adv_prefix *adv_pr) 20527c478bd9Sstevel@tonic-gate { 20537c478bd9Sstevel@tonic-gate print_prefixlist(adv_pr->adv_pr_config); 20547c478bd9Sstevel@tonic-gate } 20557c478bd9Sstevel@tonic-gate 20567c478bd9Sstevel@tonic-gate /* Lookup router on its link-local IPv6 address */ 20577c478bd9Sstevel@tonic-gate struct router * 20587c478bd9Sstevel@tonic-gate router_lookup(struct phyint *pi, struct in6_addr addr) 20597c478bd9Sstevel@tonic-gate { 20607c478bd9Sstevel@tonic-gate struct router *dr; 20617c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 20627c478bd9Sstevel@tonic-gate 20637c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 20647c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_lookup(%s, %s)\n", pi->pi_name, 20657c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&addr, 20667c478bd9Sstevel@tonic-gate abuf, sizeof (abuf))); 20677c478bd9Sstevel@tonic-gate } 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate for (dr = pi->pi_router_list; dr != NULL; dr = dr->dr_next) { 20707c478bd9Sstevel@tonic-gate if (bcmp((char *)&addr, (char *)&dr->dr_address, 20717c478bd9Sstevel@tonic-gate sizeof (addr)) == 0) 20727c478bd9Sstevel@tonic-gate return (dr); 20737c478bd9Sstevel@tonic-gate } 20747c478bd9Sstevel@tonic-gate return (NULL); 20757c478bd9Sstevel@tonic-gate } 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate /* 20787c478bd9Sstevel@tonic-gate * Create a default router entry. 20797c478bd9Sstevel@tonic-gate * The lifetime parameter is in seconds. 20807c478bd9Sstevel@tonic-gate */ 20817c478bd9Sstevel@tonic-gate struct router * 20827c478bd9Sstevel@tonic-gate router_create(struct phyint *pi, struct in6_addr addr, uint_t lifetime) 20837c478bd9Sstevel@tonic-gate { 20847c478bd9Sstevel@tonic-gate struct router *dr; 20857c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 20887c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_create(%s, %s, %u)\n", pi->pi_name, 20897c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&addr, 20907c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), lifetime); 20917c478bd9Sstevel@tonic-gate } 20927c478bd9Sstevel@tonic-gate 20937c478bd9Sstevel@tonic-gate dr = (struct router *)calloc(sizeof (struct router), 1); 20947c478bd9Sstevel@tonic-gate if (dr == NULL) { 20957c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "router_create: out of memory\n"); 20967c478bd9Sstevel@tonic-gate return (NULL); 20977c478bd9Sstevel@tonic-gate } 20987c478bd9Sstevel@tonic-gate dr->dr_address = addr; 20997c478bd9Sstevel@tonic-gate dr->dr_lifetime = lifetime; 21007c478bd9Sstevel@tonic-gate router_insert(pi, dr); 21018121d73fSseb if (dr->dr_lifetime != 0) 21027c478bd9Sstevel@tonic-gate router_add_k(dr); 21037c478bd9Sstevel@tonic-gate return (dr); 21047c478bd9Sstevel@tonic-gate } 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate /* Insert in linked list */ 21077c478bd9Sstevel@tonic-gate static void 21087c478bd9Sstevel@tonic-gate router_insert(struct phyint *pi, struct router *dr) 21097c478bd9Sstevel@tonic-gate { 21107c478bd9Sstevel@tonic-gate dr->dr_next = pi->pi_router_list; 21117c478bd9Sstevel@tonic-gate dr->dr_prev = NULL; 21127c478bd9Sstevel@tonic-gate if (pi->pi_router_list != NULL) 21137c478bd9Sstevel@tonic-gate pi->pi_router_list->dr_prev = dr; 21147c478bd9Sstevel@tonic-gate pi->pi_router_list = dr; 21157c478bd9Sstevel@tonic-gate dr->dr_physical = pi; 21167c478bd9Sstevel@tonic-gate } 21177c478bd9Sstevel@tonic-gate 21187c478bd9Sstevel@tonic-gate /* 21197c478bd9Sstevel@tonic-gate * Delete (unlink and free). 21207c478bd9Sstevel@tonic-gate * Handles delete of things that have not yet been inserted in the list 21217c478bd9Sstevel@tonic-gate * i.e. dr_physical is NULL. 21227c478bd9Sstevel@tonic-gate */ 21237c478bd9Sstevel@tonic-gate static void 21247c478bd9Sstevel@tonic-gate router_delete(struct router *dr) 21257c478bd9Sstevel@tonic-gate { 21267c478bd9Sstevel@tonic-gate struct phyint *pi; 21277c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 21287c478bd9Sstevel@tonic-gate 21297c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 21307c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_delete(%s, %s, %u)\n", 21317c478bd9Sstevel@tonic-gate dr->dr_physical->pi_name, 21327c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 21337c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_lifetime); 21347c478bd9Sstevel@tonic-gate } 21357c478bd9Sstevel@tonic-gate pi = dr->dr_physical; 21368121d73fSseb if (dr->dr_inkernel && (pi->pi_kernel_state & PI_PRESENT)) 21378121d73fSseb router_delete_k(dr); 21387c478bd9Sstevel@tonic-gate 21397c478bd9Sstevel@tonic-gate if (dr->dr_prev == NULL) { 21407c478bd9Sstevel@tonic-gate if (pi != NULL) 21417c478bd9Sstevel@tonic-gate pi->pi_router_list = dr->dr_next; 21427c478bd9Sstevel@tonic-gate } else { 21437c478bd9Sstevel@tonic-gate dr->dr_prev->dr_next = dr->dr_next; 21447c478bd9Sstevel@tonic-gate } 21457c478bd9Sstevel@tonic-gate if (dr->dr_next != NULL) 21467c478bd9Sstevel@tonic-gate dr->dr_next->dr_prev = dr->dr_prev; 21477c478bd9Sstevel@tonic-gate dr->dr_next = dr->dr_prev = NULL; 21487c478bd9Sstevel@tonic-gate free(dr); 21497c478bd9Sstevel@tonic-gate } 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate /* 21527c478bd9Sstevel@tonic-gate * Update the kernel to match dr_lifetime 21537c478bd9Sstevel@tonic-gate */ 21547c478bd9Sstevel@tonic-gate void 21557c478bd9Sstevel@tonic-gate router_update_k(struct router *dr) 21567c478bd9Sstevel@tonic-gate { 21577c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 21587c478bd9Sstevel@tonic-gate 21597c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 21607c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_update_k(%s, %s, %u)\n", 21617c478bd9Sstevel@tonic-gate dr->dr_physical->pi_name, 21627c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 21637c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_lifetime); 21647c478bd9Sstevel@tonic-gate } 21657c478bd9Sstevel@tonic-gate 21667c478bd9Sstevel@tonic-gate if (dr->dr_lifetime == 0 && dr->dr_inkernel) { 21677c478bd9Sstevel@tonic-gate /* Log a message when last router goes away */ 21687c478bd9Sstevel@tonic-gate if (dr->dr_physical->pi_num_k_routers == 1) { 21697c478bd9Sstevel@tonic-gate logmsg(LOG_WARNING, 21707c478bd9Sstevel@tonic-gate "Last default router (%s) removed on %s\n", 21717c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 21727c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_physical->pi_name); 21737c478bd9Sstevel@tonic-gate } 21747c478bd9Sstevel@tonic-gate router_delete(dr); 21758121d73fSseb } else if (dr->dr_lifetime != 0 && !dr->dr_inkernel) 21767c478bd9Sstevel@tonic-gate router_add_k(dr); 21777c478bd9Sstevel@tonic-gate } 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate /* 21807c478bd9Sstevel@tonic-gate * Called with the number of millseconds elapsed since the last call. 21817c478bd9Sstevel@tonic-gate * Determines if any timeout event has occurred and 21827c478bd9Sstevel@tonic-gate * returns the number of milliseconds until the next timeout event. 21837c478bd9Sstevel@tonic-gate * Returns TIMER_INFINITY for "never". 21847c478bd9Sstevel@tonic-gate */ 21857c478bd9Sstevel@tonic-gate uint_t 21867c478bd9Sstevel@tonic-gate router_timer(struct router *dr, uint_t elapsed) 21877c478bd9Sstevel@tonic-gate { 21887c478bd9Sstevel@tonic-gate uint_t next = TIMER_INFINITY; 21897c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 21927c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_timer(%s, %s, %u, %d)\n", 21937c478bd9Sstevel@tonic-gate dr->dr_physical->pi_name, 21947c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 21957c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_lifetime, elapsed); 21967c478bd9Sstevel@tonic-gate } 21977c478bd9Sstevel@tonic-gate if (dr->dr_lifetime <= elapsed) { 21987c478bd9Sstevel@tonic-gate dr->dr_lifetime = 0; 21997c478bd9Sstevel@tonic-gate } else { 22007c478bd9Sstevel@tonic-gate dr->dr_lifetime -= elapsed; 22017c478bd9Sstevel@tonic-gate if (dr->dr_lifetime < next) 22027c478bd9Sstevel@tonic-gate next = dr->dr_lifetime; 22037c478bd9Sstevel@tonic-gate } 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate if (dr->dr_lifetime == 0) { 22067c478bd9Sstevel@tonic-gate /* Log a message when last router goes away */ 22077c478bd9Sstevel@tonic-gate if (dr->dr_physical->pi_num_k_routers == 1) { 22087c478bd9Sstevel@tonic-gate logmsg(LOG_WARNING, 22097c478bd9Sstevel@tonic-gate "Last default router (%s) timed out on %s\n", 22107c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 22117c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_physical->pi_name); 22127c478bd9Sstevel@tonic-gate } 22137c478bd9Sstevel@tonic-gate router_delete(dr); 22147c478bd9Sstevel@tonic-gate } 22157c478bd9Sstevel@tonic-gate return (next); 22167c478bd9Sstevel@tonic-gate } 22177c478bd9Sstevel@tonic-gate 22187c478bd9Sstevel@tonic-gate /* 22197c478bd9Sstevel@tonic-gate * Add a default route to the kernel (unless the lifetime is zero) 22207c478bd9Sstevel@tonic-gate * Handles onlink default routes. 22217c478bd9Sstevel@tonic-gate */ 22227c478bd9Sstevel@tonic-gate static void 22237c478bd9Sstevel@tonic-gate router_add_k(struct router *dr) 22247c478bd9Sstevel@tonic-gate { 22257c478bd9Sstevel@tonic-gate struct phyint *pi = dr->dr_physical; 22267c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 22277c478bd9Sstevel@tonic-gate int rlen; 22287c478bd9Sstevel@tonic-gate 22297c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 22307c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_add_k(%s, %s, %u)\n", 22317c478bd9Sstevel@tonic-gate dr->dr_physical->pi_name, 22327c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 22337c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_lifetime); 22347c478bd9Sstevel@tonic-gate } 22357c478bd9Sstevel@tonic-gate 22367c478bd9Sstevel@tonic-gate rta_gateway->sin6_addr = dr->dr_address; 22377c478bd9Sstevel@tonic-gate 22387c478bd9Sstevel@tonic-gate rta_ifp->sdl_index = if_nametoindex(pi->pi_name); 22397c478bd9Sstevel@tonic-gate if (rta_ifp->sdl_index == 0) { 22407c478bd9Sstevel@tonic-gate logperror_pi(pi, "router_add_k: if_nametoindex"); 22417c478bd9Sstevel@tonic-gate return; 22427c478bd9Sstevel@tonic-gate } 22437c478bd9Sstevel@tonic-gate 22448121d73fSseb rt_msg->rtm_flags = RTF_GATEWAY; 22457c478bd9Sstevel@tonic-gate rt_msg->rtm_type = RTM_ADD; 22467c478bd9Sstevel@tonic-gate rt_msg->rtm_seq = ++rtmseq; 22477c478bd9Sstevel@tonic-gate rlen = write(rtsock, rt_msg, rt_msg->rtm_msglen); 22487c478bd9Sstevel@tonic-gate if (rlen < 0) { 22497c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 22507c478bd9Sstevel@tonic-gate logperror_pi(pi, "router_add_k: RTM_ADD"); 22517c478bd9Sstevel@tonic-gate return; 22527c478bd9Sstevel@tonic-gate } 22537c478bd9Sstevel@tonic-gate } else if (rlen < rt_msg->rtm_msglen) { 22547c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "router_add_k: write to routing socket got " 22557c478bd9Sstevel@tonic-gate "only %d for rlen (interface %s)\n", rlen, pi->pi_name); 22567c478bd9Sstevel@tonic-gate return; 22577c478bd9Sstevel@tonic-gate } 22587c478bd9Sstevel@tonic-gate dr->dr_inkernel = _B_TRUE; 22598121d73fSseb pi->pi_num_k_routers++; 22607c478bd9Sstevel@tonic-gate } 22617c478bd9Sstevel@tonic-gate 22627c478bd9Sstevel@tonic-gate /* 22637c478bd9Sstevel@tonic-gate * Delete a route from the kernel. 22647c478bd9Sstevel@tonic-gate * Handles onlink default routes. 22657c478bd9Sstevel@tonic-gate */ 22667c478bd9Sstevel@tonic-gate static void 22677c478bd9Sstevel@tonic-gate router_delete_k(struct router *dr) 22687c478bd9Sstevel@tonic-gate { 22697c478bd9Sstevel@tonic-gate struct phyint *pi = dr->dr_physical; 22707c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 22717c478bd9Sstevel@tonic-gate int rlen; 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate if (debug & D_ROUTER) { 22747c478bd9Sstevel@tonic-gate logmsg(LOG_DEBUG, "router_delete_k(%s, %s, %u)\n", 22757c478bd9Sstevel@tonic-gate dr->dr_physical->pi_name, 22767c478bd9Sstevel@tonic-gate inet_ntop(AF_INET6, (void *)&dr->dr_address, 22777c478bd9Sstevel@tonic-gate abuf, sizeof (abuf)), dr->dr_lifetime); 22787c478bd9Sstevel@tonic-gate } 22797c478bd9Sstevel@tonic-gate 22807c478bd9Sstevel@tonic-gate rta_gateway->sin6_addr = dr->dr_address; 22817c478bd9Sstevel@tonic-gate 22827c478bd9Sstevel@tonic-gate rta_ifp->sdl_index = if_nametoindex(pi->pi_name); 22837c478bd9Sstevel@tonic-gate if (rta_ifp->sdl_index == 0) { 22847c478bd9Sstevel@tonic-gate logperror_pi(pi, "router_delete_k: if_nametoindex"); 22857c478bd9Sstevel@tonic-gate return; 22867c478bd9Sstevel@tonic-gate } 22877c478bd9Sstevel@tonic-gate 22888121d73fSseb rt_msg->rtm_flags = RTF_GATEWAY; 22897c478bd9Sstevel@tonic-gate rt_msg->rtm_type = RTM_DELETE; 22907c478bd9Sstevel@tonic-gate rt_msg->rtm_seq = ++rtmseq; 22917c478bd9Sstevel@tonic-gate rlen = write(rtsock, rt_msg, rt_msg->rtm_msglen); 22927c478bd9Sstevel@tonic-gate if (rlen < 0) { 22937c478bd9Sstevel@tonic-gate if (errno != ESRCH) { 22947c478bd9Sstevel@tonic-gate logperror_pi(pi, "router_delete_k: RTM_DELETE"); 22957c478bd9Sstevel@tonic-gate } 22967c478bd9Sstevel@tonic-gate } else if (rlen < rt_msg->rtm_msglen) { 22977c478bd9Sstevel@tonic-gate logmsg(LOG_ERR, "router_delete_k: write to routing socket got " 22987c478bd9Sstevel@tonic-gate "only %d for rlen (interface %s)\n", rlen, pi->pi_name); 22997c478bd9Sstevel@tonic-gate } 23007c478bd9Sstevel@tonic-gate dr->dr_inkernel = _B_FALSE; 23018121d73fSseb pi->pi_num_k_routers--; 23027c478bd9Sstevel@tonic-gate } 23037c478bd9Sstevel@tonic-gate 23047c478bd9Sstevel@tonic-gate static void 23057c478bd9Sstevel@tonic-gate router_print(struct router *dr) 23067c478bd9Sstevel@tonic-gate { 23077c478bd9Sstevel@tonic-gate char abuf[INET6_ADDRSTRLEN]; 23087c478bd9Sstevel@tonic-gate 23098121d73fSseb logmsg(LOG_DEBUG, "Router %s on %s inkernel %d lifetime %u\n", 23108121d73fSseb inet_ntop(AF_INET6, (void *)&dr->dr_address, abuf, sizeof (abuf)), 23118121d73fSseb dr->dr_physical->pi_name, dr->dr_inkernel, dr->dr_lifetime); 23127c478bd9Sstevel@tonic-gate } 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate void 23157c478bd9Sstevel@tonic-gate phyint_print_all(void) 23167c478bd9Sstevel@tonic-gate { 23177c478bd9Sstevel@tonic-gate struct phyint *pi; 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate for (pi = phyints; pi != NULL; pi = pi->pi_next) { 23207c478bd9Sstevel@tonic-gate phyint_print(pi); 23217c478bd9Sstevel@tonic-gate } 23227c478bd9Sstevel@tonic-gate } 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate void 2325e11c3f44Smeem phyint_cleanup(struct phyint *pi) 23267c478bd9Sstevel@tonic-gate { 23277c478bd9Sstevel@tonic-gate pi->pi_state = 0; 23287c478bd9Sstevel@tonic-gate pi->pi_kernel_state = 0; 23297c478bd9Sstevel@tonic-gate 23307c478bd9Sstevel@tonic-gate if (pi->pi_AdvSendAdvertisements) { 23317c478bd9Sstevel@tonic-gate check_to_advertise(pi, ADV_OFF); 23327c478bd9Sstevel@tonic-gate } else { 23337c478bd9Sstevel@tonic-gate check_to_solicit(pi, SOLICIT_OFF); 23347c478bd9Sstevel@tonic-gate } 23357c478bd9Sstevel@tonic-gate 23367c478bd9Sstevel@tonic-gate while (pi->pi_router_list) 23377c478bd9Sstevel@tonic-gate router_delete(pi->pi_router_list); 23387c478bd9Sstevel@tonic-gate (void) poll_remove(pi->pi_sock); 23397c478bd9Sstevel@tonic-gate (void) close(pi->pi_sock); 23407c478bd9Sstevel@tonic-gate pi->pi_sock = -1; 2341*6e91bba0SGirish Moodalbail pi->pi_stateless = pi->pi_StatelessAddrConf; 2342*6e91bba0SGirish Moodalbail pi->pi_stateful = pi->pi_StatefulAddrConf; 2343*6e91bba0SGirish Moodalbail pi->pi_ipadm_aobjname[0] = '\0'; 2344*6e91bba0SGirish Moodalbail } 2345*6e91bba0SGirish Moodalbail 2346*6e91bba0SGirish Moodalbail /* 2347*6e91bba0SGirish Moodalbail * Sets/removes the ipadm address object name for the given prefix. 2348*6e91bba0SGirish Moodalbail */ 2349*6e91bba0SGirish Moodalbail void 2350*6e91bba0SGirish Moodalbail prefix_update_ipadm_addrobj(struct prefix *pr, boolean_t add) 2351*6e91bba0SGirish Moodalbail { 2352*6e91bba0SGirish Moodalbail struct phyint *pi = pr->pr_physical; 2353*6e91bba0SGirish Moodalbail int lnum = 0; 2354*6e91bba0SGirish Moodalbail char *cp; 2355*6e91bba0SGirish Moodalbail ipadm_handle_t iph; 2356*6e91bba0SGirish Moodalbail ipadm_status_t status; 2357*6e91bba0SGirish Moodalbail 2358*6e91bba0SGirish Moodalbail /* 2359*6e91bba0SGirish Moodalbail * If ipadm was used to autoconfigure this interface, 2360*6e91bba0SGirish Moodalbail * pi_ipadm_aobjname will contain the address object name 2361*6e91bba0SGirish Moodalbail * that is used to identify the addresses. Use the same 2362*6e91bba0SGirish Moodalbail * address object name for this prefix. 2363*6e91bba0SGirish Moodalbail */ 2364*6e91bba0SGirish Moodalbail if (pi->pi_ipadm_aobjname[0] == '\0' || 2365*6e91bba0SGirish Moodalbail pr->pr_name[0] == '\0' || IN6_IS_ADDR_LINKLOCAL(&pr->pr_address) || 2366*6e91bba0SGirish Moodalbail (!(pr->pr_flags & IFF_ADDRCONF) && 2367*6e91bba0SGirish Moodalbail !(pr->pr_flags & IFF_DHCPRUNNING))) { 2368*6e91bba0SGirish Moodalbail return; 2369*6e91bba0SGirish Moodalbail } 2370*6e91bba0SGirish Moodalbail if ((status = ipadm_open(&iph, 0)) != IPADM_SUCCESS) { 2371*6e91bba0SGirish Moodalbail logmsg(LOG_ERR, "Could not open handle to libipadm: %s\n", 2372*6e91bba0SGirish Moodalbail ipadm_status2str(status)); 2373*6e91bba0SGirish Moodalbail return; 2374*6e91bba0SGirish Moodalbail } 2375*6e91bba0SGirish Moodalbail cp = strrchr(pr->pr_name, ':'); 2376*6e91bba0SGirish Moodalbail if (cp != NULL) 2377*6e91bba0SGirish Moodalbail lnum = atoi(++cp); 2378*6e91bba0SGirish Moodalbail if (add) { 2379*6e91bba0SGirish Moodalbail status = ipadm_add_aobjname(iph, pi->pi_name, AF_INET6, 2380*6e91bba0SGirish Moodalbail pi->pi_ipadm_aobjname, IPADM_ADDR_IPV6_ADDRCONF, lnum); 2381*6e91bba0SGirish Moodalbail } else { 2382*6e91bba0SGirish Moodalbail status = ipadm_delete_aobjname(iph, pi->pi_name, AF_INET6, 2383*6e91bba0SGirish Moodalbail pi->pi_ipadm_aobjname, IPADM_ADDR_IPV6_ADDRCONF, lnum); 2384*6e91bba0SGirish Moodalbail } 2385*6e91bba0SGirish Moodalbail /* Ignore the error if the ipmgmtd daemon is not running */ 2386*6e91bba0SGirish Moodalbail if (status != IPADM_SUCCESS && status != IPADM_IPC_ERROR) { 2387*6e91bba0SGirish Moodalbail logmsg(LOG_ERR, "ipadm error in %s '%s' : %s\n", 2388*6e91bba0SGirish Moodalbail (add ? "adding" : "deleting"), pi->pi_ipadm_aobjname, 2389*6e91bba0SGirish Moodalbail ipadm_status2str(status)); 2390*6e91bba0SGirish Moodalbail } 2391*6e91bba0SGirish Moodalbail ipadm_close(iph); 23927c478bd9Sstevel@tonic-gate } 2393