diff options
Diffstat (limited to 'sysdep')
| -rw-r--r-- | sysdep/linux/netlink.c | 78 | ||||
| -rw-r--r-- | sysdep/unix/krt.c | 9 |
2 files changed, 42 insertions, 45 deletions
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c index fdfd4885..40f6212e 100644 --- a/sysdep/linux/netlink.c +++ b/sysdep/linux/netlink.c @@ -1407,11 +1407,16 @@ HASH_DEFINE_REHASH_FN(RTH, struct krt_proto) int krt_capable(rte *e) { - rta *a = e->attrs; + eattr *ea = ea_find(e->attrs->eattrs, &ea_gen_nexthop); + if (!ea) + return 0; + + struct nexthop_adata *nhad = (void *) ea->u.ptr; + if (NEXTHOP_IS_REACHABLE(nhad)) + return 1; - switch (a->dest) + switch (nhad->dest) { - case RTD_UNICAST: case RTD_BLACKHOLE: case RTD_UNREACHABLE: case RTD_PROHIBIT: @@ -1591,7 +1596,7 @@ nl_add_rte(struct krt_proto *p, rte *e) eattr *nhea = ea_find(a->eattrs, &ea_gen_nexthop); struct nexthop_adata *nhad = nhea ? (struct nexthop_adata *) nhea->u.ptr : NULL; - if (krt_ecmp6(p) && nhad && !NEXTHOP_ONE(nhad)) + if (krt_ecmp6(p) && nhad && NEXTHOP_IS_REACHABLE(nhad) && !NEXTHOP_ONE(nhad)) { uint cnt = 0; NEXTHOP_WALK(nh, nhad) @@ -1616,7 +1621,8 @@ nl_add_rte(struct krt_proto *p, rte *e) return err; } - return nl_send_route(p, e, NL_OP_ADD, a->dest, nhad); + return nl_send_route(p, e, NL_OP_ADD, + NEXTHOP_IS_REACHABLE(nhad) ? RTD_UNICAST : nhad->dest, nhad); } static inline int @@ -1638,7 +1644,8 @@ nl_replace_rte(struct krt_proto *p, rte *e) rta *a = e->attrs; eattr *nhea = ea_find(a->eattrs, &ea_gen_nexthop); struct nexthop_adata *nhad = nhea ? (struct nexthop_adata *) nhea->u.ptr : NULL; - return nl_send_route(p, e, NL_OP_REPLACE, a->dest, nhad); + return nl_send_route(p, e, NL_OP_REPLACE, + NEXTHOP_IS_REACHABLE(nhad) ? RTD_UNICAST : nhad->dest, nhad); } @@ -1901,8 +1908,6 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h) switch (i->rtm_type) { case RTN_UNICAST: - ra->dest = RTD_UNICAST; - if (a[RTA_MULTIPATH]) { struct nexthop_adata *nh = nl_parse_multipath(s, p, n, a[RTA_MULTIPATH], i->rtm_family, krt_src); @@ -1953,15 +1958,40 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h) } } +#ifdef HAVE_MPLS_KERNEL + if ((i->rtm_family == AF_MPLS) && a[RTA_NEWDST] && !a[RTA_MULTIPATH]) + nhad.nh.labels = rta_get_mpls(a[RTA_NEWDST], nhad.nh.label); + + if (a[RTA_ENCAP] && a[RTA_ENCAP_TYPE] && !a[RTA_MULTIPATH]) + { + switch (rta_get_u16(a[RTA_ENCAP_TYPE])) + { + case LWTUNNEL_ENCAP_MPLS: + { + struct rtattr *enca[BIRD_RTA_MAX]; + nl_attr_len = RTA_PAYLOAD(a[RTA_ENCAP]); + nl_parse_attrs(RTA_DATA(a[RTA_ENCAP]), encap_mpls_want, enca, sizeof(enca)); + nhad.nh.labels = rta_get_mpls(enca[RTA_DST], nhad.nh.label); + break; + } + default: + SKIP("unknown encapsulation method %d\n", rta_get_u16(a[RTA_ENCAP_TYPE])); + break; + } + } +#endif + + /* Finalize the nexthop */ + nhad.ad.length = (void *) NEXTHOP_NEXT(&nhad.nh) - (void *) nhad.ad.data; break; case RTN_BLACKHOLE: - ra->dest = RTD_BLACKHOLE; + nhad.nhad = NEXTHOP_DEST_LITERAL(RTD_BLACKHOLE); break; case RTN_UNREACHABLE: - ra->dest = RTD_UNREACHABLE; + nhad.nhad = NEXTHOP_DEST_LITERAL(RTD_UNREACHABLE); break; case RTN_PROHIBIT: - ra->dest = RTD_PROHIBIT; + nhad.nhad = NEXTHOP_DEST_LITERAL(RTD_PROHIBIT); break; /* FIXME: What about RTN_THROW? */ default: @@ -1969,32 +1999,6 @@ nl_parse_route(struct nl_parse_state *s, struct nlmsghdr *h) return; } -#ifdef HAVE_MPLS_KERNEL - if ((i->rtm_family == AF_MPLS) && a[RTA_NEWDST] && !a[RTA_MULTIPATH]) - nhad.nh.labels = rta_get_mpls(a[RTA_NEWDST], nhad.nh.label); - - if (a[RTA_ENCAP] && a[RTA_ENCAP_TYPE] && !a[RTA_MULTIPATH]) - { - switch (rta_get_u16(a[RTA_ENCAP_TYPE])) - { - case LWTUNNEL_ENCAP_MPLS: - { - struct rtattr *enca[BIRD_RTA_MAX]; - nl_attr_len = RTA_PAYLOAD(a[RTA_ENCAP]); - nl_parse_attrs(RTA_DATA(a[RTA_ENCAP]), encap_mpls_want, enca, sizeof(enca)); - nhad.nh.labels = rta_get_mpls(enca[RTA_DST], nhad.nh.label); - break; - } - default: - SKIP("unknown encapsulation method %d\n", rta_get_u16(a[RTA_ENCAP_TYPE])); - break; - } - } -#endif - - /* Finalize the nexthop */ - nhad.ad.length = (void *) NEXTHOP_NEXT(&nhad.nh) - (void *) nhad.ad.data; - if (i->rtm_scope != def_scope) ea_set_attr(&ra->eattrs, EA_LITERAL_EMBEDDED(&ea_krt_scope, 0, i->rtm_scope)); diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c index 89e9e97e..a0789936 100644 --- a/sysdep/unix/krt.c +++ b/sysdep/unix/krt.c @@ -608,17 +608,10 @@ krt_same_dest(rte *k, rte *e) { rta *ka = k->attrs, *ea = e->attrs; - if (ka->dest != ea->dest) - return 0; - - if (ka->dest != RTD_UNICAST) - return 1; - eattr *nhea_k = ea_find(ka->eattrs, &ea_gen_nexthop); eattr *nhea_e = ea_find(ea->eattrs, &ea_gen_nexthop); - ASSUME(nhea_k && nhea_e); - return adata_same(nhea_k->u.ptr, nhea_e->u.ptr); + return (!nhea_k == !nhea_e) && adata_same(nhea_k->u.ptr, nhea_e->u.ptr); } /* |