diff options
author | Avneesh Sachdev <avneesh@opensourcerouting.org> | 2012-04-09 00:25:15 -0700 |
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committer | Avneesh Sachdev <avneesh@opensourcerouting.org> | 2012-04-09 00:25:15 -0700 |
commit | 3cf6c2b4e43f44a977d218c96c26250654ae333e (patch) | |
tree | e017cde2015fbf3ef6c250327428d7c6152aa8f7 /zebra/zebra_rib.c | |
parent | 01d7ff0a2166a422c56bd26f04fc22832a9e690b (diff) | |
parent | e96b312150d8e376c1ef463793d1929eca3618d5 (diff) |
Merge branch 'quagga' into google-bgp-multipath
Conflicts:
bgpd/bgp_route.c
Diffstat (limited to 'zebra/zebra_rib.c')
-rw-r--r-- | zebra/zebra_rib.c | 102 |
1 files changed, 76 insertions, 26 deletions
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index 12f3fa5a..f7f4d0a2 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -55,18 +55,20 @@ static const struct { int key; int distance; -} route_info[] = -{ - {ZEBRA_ROUTE_SYSTEM, 0}, - {ZEBRA_ROUTE_KERNEL, 0}, - {ZEBRA_ROUTE_CONNECT, 0}, - {ZEBRA_ROUTE_STATIC, 1}, - {ZEBRA_ROUTE_RIP, 120}, - {ZEBRA_ROUTE_RIPNG, 120}, - {ZEBRA_ROUTE_OSPF, 110}, - {ZEBRA_ROUTE_OSPF6, 110}, - {ZEBRA_ROUTE_ISIS, 115}, - {ZEBRA_ROUTE_BGP, 20 /* IBGP is 200. */} +} route_info[ZEBRA_ROUTE_MAX] = +{ + [ZEBRA_ROUTE_SYSTEM] = {ZEBRA_ROUTE_SYSTEM, 0}, + [ZEBRA_ROUTE_KERNEL] = {ZEBRA_ROUTE_KERNEL, 0}, + [ZEBRA_ROUTE_CONNECT] = {ZEBRA_ROUTE_CONNECT, 0}, + [ZEBRA_ROUTE_STATIC] = {ZEBRA_ROUTE_STATIC, 1}, + [ZEBRA_ROUTE_RIP] = {ZEBRA_ROUTE_RIP, 120}, + [ZEBRA_ROUTE_RIPNG] = {ZEBRA_ROUTE_RIPNG, 120}, + [ZEBRA_ROUTE_OSPF] = {ZEBRA_ROUTE_OSPF, 110}, + [ZEBRA_ROUTE_OSPF6] = {ZEBRA_ROUTE_OSPF6, 110}, + [ZEBRA_ROUTE_ISIS] = {ZEBRA_ROUTE_ISIS, 115}, + [ZEBRA_ROUTE_BGP] = {ZEBRA_ROUTE_BGP, 20 /* IBGP is 200. */}, + [ZEBRA_ROUTE_BABEL] = {ZEBRA_ROUTE_BABEL, 95}, + /* no entry/default: 150 */ }; /* Vector for routing table. */ @@ -89,6 +91,11 @@ vrf_alloc (const char *name) vrf->table[AFI_IP6][SAFI_UNICAST] = route_table_init (); vrf->stable[AFI_IP][SAFI_UNICAST] = route_table_init (); vrf->stable[AFI_IP6][SAFI_UNICAST] = route_table_init (); + vrf->table[AFI_IP][SAFI_MULTICAST] = route_table_init (); + vrf->table[AFI_IP6][SAFI_MULTICAST] = route_table_init (); + vrf->stable[AFI_IP][SAFI_MULTICAST] = route_table_init (); + vrf->stable[AFI_IP6][SAFI_MULTICAST] = route_table_init (); + return vrf; } @@ -1229,6 +1236,7 @@ static const u_char meta_queue_map[ZEBRA_ROUTE_MAX] = { [ZEBRA_ROUTE_ISIS] = 2, [ZEBRA_ROUTE_BGP] = 3, [ZEBRA_ROUTE_HSLS] = 4, + [ZEBRA_ROUTE_BABEL] = 2, }; /* Look into the RN and queue it into one or more priority queues, @@ -1492,7 +1500,7 @@ int rib_add_ipv4 (int type, int flags, struct prefix_ipv4 *p, struct in_addr *gate, struct in_addr *src, unsigned int ifindex, u_int32_t vrf_id, - u_int32_t metric, u_char distance) + u_int32_t metric, u_char distance, safi_t safi) { struct rib *rib; struct rib *same = NULL; @@ -1501,7 +1509,7 @@ rib_add_ipv4 (int type, int flags, struct prefix_ipv4 *p, struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = vrf_table (AFI_IP, safi, 0); if (! table) return 0; @@ -1511,7 +1519,10 @@ rib_add_ipv4 (int type, int flags, struct prefix_ipv4 *p, /* Set default distance by route type. */ if (distance == 0) { - distance = route_info[type].distance; + if ((unsigned)type >= sizeof(route_info) / sizeof(route_info[0])) + distance = 150; + else + distance = route_info[type].distance; /* iBGP distance is 200. */ if (type == ZEBRA_ROUTE_BGP && CHECK_FLAG (flags, ZEBRA_FLAG_IBGP)) @@ -1747,7 +1758,7 @@ void rib_lookup_and_pushup (struct prefix_ipv4 * p) } int -rib_add_ipv4_multipath (struct prefix_ipv4 *p, struct rib *rib) +rib_add_ipv4_multipath (struct prefix_ipv4 *p, struct rib *rib, safi_t safi) { struct route_table *table; struct route_node *rn; @@ -1755,9 +1766,10 @@ rib_add_ipv4_multipath (struct prefix_ipv4 *p, struct rib *rib) struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = vrf_table (AFI_IP, safi, 0); if (! table) return 0; + /* Make it sure prefixlen is applied to the prefix. */ apply_mask_ipv4 (p); @@ -1820,7 +1832,7 @@ rib_add_ipv4_multipath (struct prefix_ipv4 *p, struct rib *rib) /* XXX factor with rib_delete_ipv6 */ int rib_delete_ipv4 (int type, int flags, struct prefix_ipv4 *p, - struct in_addr *gate, unsigned int ifindex, u_int32_t vrf_id) + struct in_addr *gate, unsigned int ifindex, u_int32_t vrf_id, safi_t safi) { struct route_table *table; struct route_node *rn; @@ -1832,7 +1844,7 @@ rib_delete_ipv4 (int type, int flags, struct prefix_ipv4 *p, char buf2[INET_ADDRSTRLEN]; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = vrf_table (AFI_IP, safi, 0); if (! table) return 0; @@ -1879,8 +1891,10 @@ rib_delete_ipv4 (int type, int flags, struct prefix_ipv4 *p, if (rib->type != type) continue; if (rib->type == ZEBRA_ROUTE_CONNECT && (nexthop = rib->nexthop) && - nexthop->type == NEXTHOP_TYPE_IFINDEX && nexthop->ifindex == ifindex) + nexthop->type == NEXTHOP_TYPE_IFINDEX) { + if (nexthop->ifindex != ifindex) + continue; if (rib->refcnt) { rib->refcnt--; @@ -2281,7 +2295,7 @@ rib_bogus_ipv6 (int type, struct prefix_ipv6 *p, int rib_add_ipv6 (int type, int flags, struct prefix_ipv6 *p, struct in6_addr *gate, unsigned int ifindex, u_int32_t vrf_id, - u_int32_t metric, u_char distance) + u_int32_t metric, u_char distance, safi_t safi) { struct rib *rib; struct rib *same = NULL; @@ -2290,7 +2304,7 @@ rib_add_ipv6 (int type, int flags, struct prefix_ipv6 *p, struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = vrf_table (AFI_IP6, safi, 0); if (! table) return 0; @@ -2375,7 +2389,7 @@ rib_add_ipv6 (int type, int flags, struct prefix_ipv6 *p, /* XXX factor with rib_delete_ipv6 */ int rib_delete_ipv6 (int type, int flags, struct prefix_ipv6 *p, - struct in6_addr *gate, unsigned int ifindex, u_int32_t vrf_id) + struct in6_addr *gate, unsigned int ifindex, u_int32_t vrf_id, safi_t safi) { struct route_table *table; struct route_node *rn; @@ -2390,7 +2404,7 @@ rib_delete_ipv6 (int type, int flags, struct prefix_ipv6 *p, apply_mask_ipv6 (p); /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = vrf_table (AFI_IP6, safi, 0); if (! table) return 0; @@ -2427,8 +2441,10 @@ rib_delete_ipv6 (int type, int flags, struct prefix_ipv6 *p, if (rib->type != type) continue; if (rib->type == ZEBRA_ROUTE_CONNECT && (nexthop = rib->nexthop) && - nexthop->type == NEXTHOP_TYPE_IFINDEX && nexthop->ifindex == ifindex) + nexthop->type == NEXTHOP_TYPE_IFINDEX) { + if (nexthop->ifindex != ifindex) + continue; if (rib->refcnt) { rib->refcnt--; @@ -2877,7 +2893,41 @@ rib_sweep_route (void) rib_sweep_table (vrf_table (AFI_IP, SAFI_UNICAST, 0)); rib_sweep_table (vrf_table (AFI_IP6, SAFI_UNICAST, 0)); } - + +/* Remove specific by protocol routes from 'table'. */ +static unsigned long +rib_score_proto_table (u_char proto, struct route_table *table) +{ + struct route_node *rn; + struct rib *rib; + struct rib *next; + unsigned long n = 0; + + if (table) + for (rn = route_top (table); rn; rn = route_next (rn)) + for (rib = rn->info; rib; rib = next) + { + next = rib->next; + if (CHECK_FLAG (rib->status, RIB_ENTRY_REMOVED)) + continue; + if (rib->type == proto) + { + rib_delnode (rn, rib); + n++; + } + } + + return n; +} + +/* Remove specific by protocol routes. */ +unsigned long +rib_score_proto (u_char proto) +{ + return rib_score_proto_table (proto, vrf_table (AFI_IP, SAFI_UNICAST, 0)) + +rib_score_proto_table (proto, vrf_table (AFI_IP6, SAFI_UNICAST, 0)); +} + /* Close RIB and clean up kernel routes. */ static void rib_close_table (struct route_table *table) |