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31 * $KAME: in6_rmx.c,v 1.11 2001/07/26 06:53:16 jinmei Exp $
35 * Copyright 1994, 1995 Massachusetts Institute of Technology
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64 #include <sys/cdefs.h>
65 #include <sys/param.h>
66 #include <sys/systm.h>
67 #include <sys/kernel.h>
69 #include <sys/queue.h>
70 #include <sys/socket.h>
71 #include <sys/socketvar.h>
73 #include <sys/rwlock.h>
74 #include <sys/syslog.h>
75 #include <sys/callout.h>
78 #include <net/if_var.h>
79 #include <net/if_private.h>
80 #include <net/route.h>
81 #include <net/route/route_ctl.h>
82 #include <net/route/route_var.h>
83 #include <net/route/nhop.h>
85 #include <netinet/in.h>
86 #include <netinet/ip_var.h>
87 #include <netinet/in_var.h>
89 #include <netinet/ip6.h>
90 #include <netinet6/ip6_var.h>
92 #include <netinet/icmp6.h>
93 #include <netinet6/nd6.h>
96 rib6_set_nh_pfxflags(u_int fibnum, const struct sockaddr *addr, const struct sockaddr *mask,
97 struct nhop_object *nh)
99 const struct sockaddr_in6 *mask6 = (const struct sockaddr_in6 *)mask;
102 nhop_set_pxtype_flag(nh, NHF_HOST);
103 else if (IN6_IS_ADDR_UNSPECIFIED(&mask6->sin6_addr))
104 nhop_set_pxtype_flag(nh, NHF_DEFAULT);
106 nhop_set_pxtype_flag(nh, 0);
112 rib6_augment_nh(u_int fibnum, struct nhop_object *nh)
116 * inherit interface MTU if not set or
117 * check if MTU is too large.
119 if (nh->nh_mtu == 0) {
120 nh->nh_mtu = IN6_LINKMTU(nh->nh_ifp);
121 } else if (nh->nh_mtu > IN6_LINKMTU(nh->nh_ifp))
122 nh->nh_mtu = IN6_LINKMTU(nh->nh_ifp);
124 /* Set nexthop type */
125 if (nhop_get_type(nh) == 0) {
127 if (nh->nh_flags & NHF_GATEWAY)
128 nh_type = NH_TYPE_IPV6_ETHER_NHOP;
130 nh_type = NH_TYPE_IPV6_ETHER_RSLV;
132 nhop_set_type(nh, nh_type);
139 * Initialize our routing tree.
143 in6_inithead(uint32_t fibnum)
146 struct rib_subscription *rs __diagused;
148 rh = rt_table_init(offsetof(struct sockaddr_in6, sin6_addr) << 3,
153 rh->rnh_set_nh_pfxflags = rib6_set_nh_pfxflags;
154 rh->rnh_augment_nh = rib6_augment_nh;
156 rs = rib_subscribe_internal(rh, nd6_subscription_cb, NULL,
157 RIB_NOTIFY_IMMEDIATE, true);
158 KASSERT(rs != NULL, ("Unable to subscribe to fib %u\n", fibnum));
165 in6_detachhead(struct rib_head *rh)
168 rt_table_destroy(rh);