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sys/net/route/route_helpers.c
| Show First 20 Lines • Show All 403 Lines • ▼ Show 20 Lines | case RTM_CHANGE: | ||||
| if (!NH_IS_NHGRP(rc->rc_nh_old) && !NH_IS_NHGRP(rc->rc_nh_new)) | if (!NH_IS_NHGRP(rc->rc_nh_old) && !NH_IS_NHGRP(rc->rc_nh_new)) | ||||
| return; | return; | ||||
| decompose_change_notification(rc, cb, cbdata); | decompose_change_notification(rc, cb, cbdata); | ||||
| break; | break; | ||||
| } | } | ||||
| } | } | ||||
| #endif | #endif | ||||
| union sockaddr_union { | |||||
| struct sockaddr sa; | |||||
| struct sockaddr_in sin; | |||||
| struct sockaddr_in6 sin6; | |||||
| char _buf[32]; | |||||
| }; | |||||
| /* | |||||
| * Creates nexhops suitable for using as a default route nhop. | |||||
| * Helper for the various kernel subsystems adding/changing default route. | |||||
| */ | |||||
| int | |||||
| rib_add_default_route(uint32_t fibnum, int family, struct ifnet *ifp, | |||||
| struct sockaddr *gw, struct rib_cmd_info *rc) | |||||
| { | |||||
| struct route_nhop_data rnd = { .rnd_weight = RT_DEFAULT_WEIGHT }; | |||||
| union sockaddr_union saun = {}; | |||||
| struct sockaddr *dst = &saun.sa; | |||||
| int error; | |||||
| switch (family) { | |||||
| #ifdef INET | |||||
| case AF_INET: | |||||
| saun.sin.sin_family = AF_INET; | |||||
| saun.sin.sin_len = sizeof(struct sockaddr_in); | |||||
| break; | |||||
| #endif | |||||
| #ifdef INET6 | |||||
| case AF_INET6: | |||||
| saun.sin6.sin6_family = AF_INET6; | |||||
| saun.sin6.sin6_len = sizeof(struct sockaddr_in6); | |||||
| break; | |||||
| #endif | |||||
| default: | |||||
| return (EAFNOSUPPORT); | |||||
| } | |||||
| struct ifaddr *ifa = ifaof_ifpforaddr(gw, ifp); | |||||
| if (ifa == NULL) | |||||
| return (ENOENT); | |||||
| struct nhop_object *nh = nhop_alloc(fibnum, family); | |||||
| if (nh == NULL) | |||||
| return (ENOMEM); | |||||
| nhop_set_gw(nh, gw, true); | |||||
| nhop_set_transmit_ifp(nh, ifp); | |||||
| nhop_set_src(nh, ifa); | |||||
| nhop_set_pxtype_flag(nh, NHF_DEFAULT); | |||||
| rnd.rnd_nhop = nhop_get_nhop(nh, &error); | |||||
| if (error == 0) | |||||
| error = rib_add_route_px(fibnum, dst, 0, &rnd, RTM_F_CREATE, rc); | |||||
| return (error); | |||||
| } | |||||
| #ifdef INET | #ifdef INET | ||||
| /* | /* | ||||
| * Checks if the found key in the trie contains (<=) a prefix covering | * Checks if the found key in the trie contains (<=) a prefix covering | ||||
| * @paddr/@plen. | * @paddr/@plen. | ||||
| * Returns the most specific rtentry matching the condition or NULL. | * Returns the most specific rtentry matching the condition or NULL. | ||||
| */ | */ | ||||
| static struct rtentry * | static struct rtentry * | ||||
| get_inet_parent_prefix(uint32_t fibnum, struct in_addr addr, int plen) | get_inet_parent_prefix(uint32_t fibnum, struct in_addr addr, int plen) | ||||
| ▲ Show 20 Lines • Show All 205 Lines • Show Last 20 Lines | |||||