diff options
Diffstat (limited to 'zebra/zebra_rib.c')
| -rw-r--r-- | zebra/zebra_rib.c | 270 |
1 files changed, 122 insertions, 148 deletions
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index f247f1d2..f206205b 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -34,6 +34,7 @@ #include "workqueue.h" #include "prefix.h" #include "routemap.h" +#include "vrf.h" #include "zebra/rib.h" #include "zebra/rt.h" @@ -72,9 +73,6 @@ static const struct /* no entry/default: 150 */ }; -/* Vector for routing table. */ -static vector vrf_vector; - /* RPF lookup behaviour */ static enum multicast_mode ipv4_multicast_mode = MCAST_NO_CONFIG; @@ -112,108 +110,6 @@ _rnode_zlog(const char *_func, struct route_node *rn, int priority, _rnode_zlog(__func__, node, LOG_INFO, __VA_ARGS__) /* - * vrf_table_create - */ -static void -vrf_table_create (struct vrf *vrf, afi_t afi, safi_t safi) -{ - rib_table_info_t *info; - struct route_table *table; - - assert (!vrf->table[afi][safi]); - - table = route_table_init (); - vrf->table[afi][safi] = table; - - info = XCALLOC (MTYPE_RIB_TABLE_INFO, sizeof (*info)); - info->vrf = vrf; - info->afi = afi; - info->safi = safi; - table->info = info; -} - -/* Allocate new VRF. */ -static struct vrf * -vrf_alloc (const char *name) -{ - struct vrf *vrf; - - vrf = XCALLOC (MTYPE_VRF, sizeof (struct vrf)); - - /* Put name. */ - if (name) - vrf->name = XSTRDUP (MTYPE_VRF_NAME, name); - - /* Allocate routing table and static table. */ - vrf_table_create (vrf, AFI_IP, SAFI_UNICAST); - vrf_table_create (vrf, AFI_IP6, SAFI_UNICAST); - vrf->stable[AFI_IP][SAFI_UNICAST] = route_table_init (); - vrf->stable[AFI_IP6][SAFI_UNICAST] = route_table_init (); - vrf_table_create (vrf, AFI_IP, SAFI_MULTICAST); - vrf_table_create (vrf, AFI_IP6, SAFI_MULTICAST); - vrf->stable[AFI_IP][SAFI_MULTICAST] = route_table_init (); - vrf->stable[AFI_IP6][SAFI_MULTICAST] = route_table_init (); - - - return vrf; -} - -/* Lookup VRF by identifier. */ -struct vrf * -vrf_lookup (u_int32_t id) -{ - return vector_lookup (vrf_vector, id); -} - -/* Initialize VRF. */ -static void -vrf_init (void) -{ - struct vrf *default_table; - - /* Allocate VRF vector. */ - vrf_vector = vector_init (1); - - /* Allocate default main table. */ - default_table = vrf_alloc ("Default-IP-Routing-Table"); - - /* Default table index must be 0. */ - vector_set_index (vrf_vector, 0, default_table); -} - -/* Lookup route table. */ -struct route_table * -vrf_table (afi_t afi, safi_t safi, u_int32_t id) -{ - struct vrf *vrf; - - vrf = vrf_lookup (id); - if (! vrf) - return NULL; - - if( afi >= AFI_MAX || safi >= SAFI_MAX ) - return NULL; - - return vrf->table[afi][safi]; -} - -/* Lookup static route table. */ -struct route_table * -vrf_static_table (afi_t afi, safi_t safi, u_int32_t id) -{ - struct vrf *vrf; - - vrf = vrf_lookup (id); - if (! vrf) - return NULL; - - if( afi >= AFI_MAX || safi >= SAFI_MAX ) - return NULL; - - return vrf->stable[afi][safi]; -} - -/* * nexthop_type_to_str */ const char * @@ -473,7 +369,7 @@ nexthop_active_ipv4 (struct rib *rib, struct nexthop *nexthop, int set, p.prefix = nexthop->gate.ipv4; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); if (! table) return 0; @@ -615,7 +511,7 @@ nexthop_active_ipv6 (struct rib *rib, struct nexthop *nexthop, int set, p.prefix = nexthop->gate.ipv6; /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT); if (! table) return 0; @@ -731,7 +627,7 @@ rib_match_ipv4_safi (struct in_addr addr, safi_t safi, int skip_bgp, int recursing; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return 0; @@ -865,7 +761,7 @@ rib_lookup_ipv4 (struct prefix_ipv4 *p) int recursing; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); if (! table) return 0; @@ -922,7 +818,7 @@ rib_lookup_ipv4_route (struct prefix_ipv4 *p, union sockunion * qgate) int nexthops_active; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); if (! table) return ZEBRA_RIB_LOOKUP_ERROR; @@ -988,7 +884,7 @@ rib_match_ipv6 (struct in6_addr *addr) int recursing; /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT); if (! table) return 0; @@ -1907,7 +1803,7 @@ rib_add_ipv4 (int type, int flags, struct prefix_ipv4 *p, struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return 0; @@ -2071,10 +1967,10 @@ void rib_lookup_and_dump (struct prefix_ipv4 * p) char prefix_buf[INET_ADDRSTRLEN]; /* Lookup table. */ - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); if (! table) { - zlog_err ("%s: vrf_table() returned NULL", __func__); + zlog_err ("%s: zebra_vrf_table() returned NULL", __func__); return; } @@ -2120,9 +2016,9 @@ void rib_lookup_and_pushup (struct prefix_ipv4 * p) struct rib *rib; unsigned changed = 0; - if (NULL == (table = vrf_table (AFI_IP, SAFI_UNICAST, 0))) + if (NULL == (table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT))) { - zlog_err ("%s: vrf_table() returned NULL", __func__); + zlog_err ("%s: zebra_vrf_table() returned NULL", __func__); return; } @@ -2169,7 +2065,7 @@ rib_add_ipv4_multipath (struct prefix_ipv4 *p, struct rib *rib, safi_t safi) struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return 0; @@ -2248,7 +2144,7 @@ rib_delete_ipv4 (int type, int flags, struct prefix_ipv4 *p, char buf2[INET_ADDRSTRLEN]; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return 0; @@ -2380,7 +2276,7 @@ static_install_ipv4 (safi_t safi, struct prefix *p, struct static_ipv4 *si) struct route_table *table; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return; @@ -2473,7 +2369,7 @@ static_uninstall_ipv4 (safi_t safi, struct prefix *p, struct static_ipv4 *si) struct route_table *table; /* Lookup table. */ - table = vrf_table (AFI_IP, safi, 0); + table = zebra_vrf_table (AFI_IP, safi, VRF_DEFAULT); if (! table) return; @@ -2538,7 +2434,7 @@ static_add_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate, struct route_table *stable; /* Lookup table. */ - stable = vrf_static_table (AFI_IP, safi, vrf_id); + stable = zebra_vrf_static_table (AFI_IP, safi, vrf_id); if (! stable) return -1; @@ -2629,7 +2525,7 @@ static_delete_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate, struct route_table *stable; /* Lookup table. */ - stable = vrf_static_table (AFI_IP, safi, vrf_id); + stable = zebra_vrf_static_table (AFI_IP, safi, vrf_id); if (! stable) return -1; @@ -2695,7 +2591,7 @@ rib_add_ipv6 (int type, int flags, struct prefix_ipv6 *p, struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP6, safi, 0); + table = zebra_vrf_table (AFI_IP6, safi, VRF_DEFAULT); if (! table) return 0; @@ -2806,7 +2702,7 @@ rib_delete_ipv6 (int type, int flags, struct prefix_ipv6 *p, apply_mask_ipv6 (p); /* Lookup table. */ - table = vrf_table (AFI_IP6, safi, 0); + table = zebra_vrf_table (AFI_IP6, safi, VRF_DEFAULT); if (! table) return 0; @@ -2923,7 +2819,7 @@ static_install_ipv6 (struct prefix *p, struct static_ipv6 *si) struct route_node *rn; /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT); if (! table) return; @@ -3018,7 +2914,7 @@ static_uninstall_ipv6 (struct prefix *p, struct static_ipv6 *si) struct nexthop *nexthop; /* Lookup table. */ - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT); if (! table) return; @@ -3084,7 +2980,7 @@ static_add_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate, struct route_table *stable; /* Lookup table. */ - stable = vrf_static_table (AFI_IP6, SAFI_UNICAST, vrf_id); + stable = zebra_vrf_static_table (AFI_IP6, SAFI_UNICAST, vrf_id); if (! stable) return -1; @@ -3169,7 +3065,7 @@ static_delete_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate, struct route_table *stable; /* Lookup table. */ - stable = vrf_static_table (AFI_IP6, SAFI_UNICAST, vrf_id); + stable = zebra_vrf_static_table (AFI_IP6, SAFI_UNICAST, vrf_id); if (! stable) return -1; @@ -3220,13 +3116,13 @@ rib_update (void) struct route_node *rn; struct route_table *table; - table = vrf_table (AFI_IP, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); if (table) for (rn = route_top (table); rn; rn = route_next (rn)) if (rnode_to_ribs (rn)) rib_queue_add (&zebrad, rn); - table = vrf_table (AFI_IP6, SAFI_UNICAST, 0); + table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT); if (table) for (rn = route_top (table); rn; rn = route_next (rn)) if (rnode_to_ribs (rn)) @@ -3259,8 +3155,8 @@ rib_weed_table (struct route_table *table) void rib_weed_tables (void) { - rib_weed_table (vrf_table (AFI_IP, SAFI_UNICAST, 0)); - rib_weed_table (vrf_table (AFI_IP6, SAFI_UNICAST, 0)); + rib_weed_table (zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT)); + rib_weed_table (zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT)); } /* Delete self installed routes after zebra is relaunched. */ @@ -3293,8 +3189,8 @@ rib_sweep_table (struct route_table *table) void rib_sweep_route (void) { - rib_sweep_table (vrf_table (AFI_IP, SAFI_UNICAST, 0)); - rib_sweep_table (vrf_table (AFI_IP6, SAFI_UNICAST, 0)); + rib_sweep_table (zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT)); + rib_sweep_table (zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT)); } /* Remove specific by protocol routes from 'table'. */ @@ -3326,8 +3222,8 @@ rib_score_proto_table (u_char proto, struct route_table *table) 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)); + return rib_score_proto_table (proto, zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT)) + +rib_score_proto_table (proto, zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT)); } /* Close RIB and clean up kernel routes. */ @@ -3357,8 +3253,8 @@ rib_close_table (struct route_table *table) void rib_close (void) { - rib_close_table (vrf_table (AFI_IP, SAFI_UNICAST, 0)); - rib_close_table (vrf_table (AFI_IP6, SAFI_UNICAST, 0)); + rib_close_table (zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT)); + rib_close_table (zebra_vrf_table (AFI_IP6, SAFI_UNICAST, VRF_DEFAULT)); } /* Routing information base initialize. */ @@ -3366,8 +3262,6 @@ void rib_init (void) { rib_queue_init (&zebrad); - /* VRF initialization. */ - vrf_init (); } /* @@ -3378,15 +3272,19 @@ rib_init (void) * Returns TRUE if a vrf id was found, FALSE otherwise. */ static inline int -vrf_id_get_next (uint32_t id, uint32_t *next_id_p) +vrf_id_get_next (vrf_id_t vrf_id, vrf_id_t *next_id_p) { - while (++id < vector_active (vrf_vector)) + vrf_iter_t iter = vrf_iterator (vrf_id); + struct zebra_vrf *zvrf = vrf_iter2info (iter); + + /* The same one ? Then find out the next. */ + if (zvrf && (zvrf->vrf_id == vrf_id)) + zvrf = vrf_iter2info (vrf_next (iter)); + + if (zvrf) { - if (vrf_lookup (id)) - { - *next_id_p = id; - return 1; - } + *next_id_p = zvrf->vrf_id; + return 1; } return 0; @@ -3434,7 +3332,7 @@ rib_tables_iter_next (rib_tables_iter_t *iter) while (iter->afi_safi_ix < (int) ZEBRA_NUM_OF (afi_safis)) { - table = vrf_table (afi_safis[iter->afi_safi_ix].afi, + table = zebra_vrf_table (afi_safis[iter->afi_safi_ix].afi, afi_safis[iter->afi_safi_ix].safi, iter->vrf_id); if (table) @@ -3472,3 +3370,79 @@ rib_tables_iter_next (rib_tables_iter_t *iter) return table; } + +/* + * Create a routing table for the specific AFI/SAFI in the given VRF. + */ +static void +zebra_vrf_table_create (struct zebra_vrf *zvrf, afi_t afi, safi_t safi) +{ + rib_table_info_t *info; + struct route_table *table; + + assert (!zvrf->table[afi][safi]); + + table = route_table_init (); + zvrf->table[afi][safi] = table; + + info = XCALLOC (MTYPE_RIB_TABLE_INFO, sizeof (*info)); + info->zvrf = zvrf; + info->afi = afi; + info->safi = safi; + table->info = info; +} + +/* Allocate new zebra VRF. */ +struct zebra_vrf * +zebra_vrf_alloc (vrf_id_t vrf_id) +{ + struct zebra_vrf *zvrf; + + zvrf = XCALLOC (MTYPE_ZEBRA_VRF, sizeof (struct zebra_vrf)); + + /* Allocate routing table and static table. */ + zebra_vrf_table_create (zvrf, AFI_IP, SAFI_UNICAST); + zebra_vrf_table_create (zvrf, AFI_IP6, SAFI_UNICAST); + zvrf->stable[AFI_IP][SAFI_UNICAST] = route_table_init (); + zvrf->stable[AFI_IP6][SAFI_UNICAST] = route_table_init (); + zebra_vrf_table_create (zvrf, AFI_IP, SAFI_MULTICAST); + zebra_vrf_table_create (zvrf, AFI_IP6, SAFI_MULTICAST); + zvrf->stable[AFI_IP][SAFI_MULTICAST] = route_table_init (); + zvrf->stable[AFI_IP6][SAFI_MULTICAST] = route_table_init (); + + /* Set VRF ID */ + zvrf->vrf_id = vrf_id; + + return zvrf; +} + +/* Lookup the routing table in an enabled VRF. */ +struct route_table * +zebra_vrf_table (afi_t afi, safi_t safi, vrf_id_t vrf_id) +{ + struct zebra_vrf *zvrf = vrf_info_lookup (vrf_id); + + if (!zvrf) + return NULL; + + if (afi >= AFI_MAX || safi >= SAFI_MAX) + return NULL; + + return zvrf->table[afi][safi]; +} + +/* Lookup the static routing table in a VRF. */ +struct route_table * +zebra_vrf_static_table (afi_t afi, safi_t safi, vrf_id_t vrf_id) +{ + struct zebra_vrf *zvrf = vrf_info_lookup (vrf_id); + + if (!zvrf) + return NULL; + + if (afi >= AFI_MAX || safi >= SAFI_MAX) + return NULL; + + return zvrf->stable[afi][safi]; +} + |