From 5a616c08ce089e25dc0e8da920727af4d11279bf Mon Sep 17 00:00:00 2001 From: "G.Balaji" Date: Sat, 26 Nov 2011 21:58:42 +0400 Subject: bgpd: IPv4 MP-BGP Routes addition and deletion This patch contains the following: 1. Addition of IPv4 SAFI_MULTICAST BGP routes into the BGP Multicast RIB. 2. Deletion of IPv4 SAFI_MULTICAST BGP routes from the BGP Multicast RIB. --- bgpd/bgp_route.c | 16 ++++++++-------- bgpd/bgp_zebra.c | 6 ++++-- bgpd/bgp_zebra.h | 4 ++-- lib/zclient.c | 1 + lib/zclient.h | 2 ++ 5 files changed, 17 insertions(+), 12 deletions(-) diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index 68d05484..3e5e9c2f 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -1491,7 +1491,7 @@ bgp_process_main (struct work_queue *wq, void *data) if (! CHECK_FLAG (old_select->flags, BGP_INFO_ATTR_CHANGED)) { if (CHECK_FLAG (old_select->flags, BGP_INFO_IGP_CHANGED)) - bgp_zebra_announce (p, old_select, bgp); + bgp_zebra_announce (p, old_select, bgp, safi); UNSET_FLAG (rn->flags, BGP_NODE_PROCESS_SCHEDULED); return WQ_SUCCESS; @@ -1514,20 +1514,20 @@ bgp_process_main (struct work_queue *wq, void *data) } /* FIB update. */ - if (safi == SAFI_UNICAST && ! bgp->name && - ! bgp_option_check (BGP_OPT_NO_FIB)) + if ((safi == SAFI_UNICAST || safi == SAFI_MULTICAST) && (! bgp->name && + ! bgp_option_check (BGP_OPT_NO_FIB))) { if (new_select && new_select->type == ZEBRA_ROUTE_BGP && new_select->sub_type == BGP_ROUTE_NORMAL) - bgp_zebra_announce (p, new_select, bgp); + bgp_zebra_announce (p, new_select, bgp, safi); else { /* Withdraw the route from the kernel. */ if (old_select && old_select->type == ZEBRA_ROUTE_BGP && old_select->sub_type == BGP_ROUTE_NORMAL) - bgp_zebra_withdraw (p, old_select); + bgp_zebra_withdraw (p, old_select, safi); } } @@ -1810,7 +1810,7 @@ bgp_update_rsclient (struct peer *rsclient, afi_t afi, safi_t safi, bgp_attr_unintern (&attr_new2); /* IPv4 unicast next hop check. */ - if (afi == AFI_IP && safi == SAFI_UNICAST) + if ((afi == AFI_IP) && ((safi == SAFI_UNICAST) || safi == SAFI_MULTICAST)) { /* Next hop must not be 0.0.0.0 nor Class D/E address. */ if (new_attr.nexthop.s_addr == 0 @@ -2934,7 +2934,7 @@ bgp_cleanup_routes (void) if (CHECK_FLAG (ri->flags, BGP_INFO_SELECTED) && ri->type == ZEBRA_ROUTE_BGP && ri->sub_type == BGP_ROUTE_NORMAL) - bgp_zebra_withdraw (&rn->p, ri); + bgp_zebra_withdraw (&rn->p, ri,SAFI_UNICAST); table = bgp->rib[AFI_IP6][SAFI_UNICAST]; @@ -2943,7 +2943,7 @@ bgp_cleanup_routes (void) if (CHECK_FLAG (ri->flags, BGP_INFO_SELECTED) && ri->type == ZEBRA_ROUTE_BGP && ri->sub_type == BGP_ROUTE_NORMAL) - bgp_zebra_withdraw (&rn->p, ri); + bgp_zebra_withdraw (&rn->p, ri,SAFI_UNICAST); } } diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c index 76c519cb..baf76fb0 100644 --- a/bgpd/bgp_zebra.c +++ b/bgpd/bgp_zebra.c @@ -643,7 +643,7 @@ bgp_nexthop_set (union sockunion *local, union sockunion *remote, } void -bgp_zebra_announce (struct prefix *p, struct bgp_info *info, struct bgp *bgp) +bgp_zebra_announce (struct prefix *p, struct bgp_info *info, struct bgp *bgp, safi_t safi) { int flags; u_char distance; @@ -678,6 +678,7 @@ bgp_zebra_announce (struct prefix *p, struct bgp_info *info, struct bgp *bgp) api.type = ZEBRA_ROUTE_BGP; api.message = 0; + api.safi = safi; SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); api.nexthop_num = 1; api.nexthop = &nexthop; @@ -778,7 +779,7 @@ bgp_zebra_announce (struct prefix *p, struct bgp_info *info, struct bgp *bgp) } void -bgp_zebra_withdraw (struct prefix *p, struct bgp_info *info) +bgp_zebra_withdraw (struct prefix *p, struct bgp_info *info, safi_t safi) { int flags; struct peer *peer; @@ -812,6 +813,7 @@ bgp_zebra_withdraw (struct prefix *p, struct bgp_info *info) api.type = ZEBRA_ROUTE_BGP; api.message = 0; + api.safi = safi; SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); api.nexthop_num = 1; api.nexthop = &nexthop; diff --git a/bgpd/bgp_zebra.h b/bgpd/bgp_zebra.h index bd953864..1351333f 100644 --- a/bgpd/bgp_zebra.h +++ b/bgpd/bgp_zebra.h @@ -25,8 +25,8 @@ extern void bgp_zebra_init (void); extern int bgp_if_update_all (void); extern int bgp_config_write_redistribute (struct vty *, struct bgp *, afi_t, safi_t, int *); -extern void bgp_zebra_announce (struct prefix *, struct bgp_info *, struct bgp *); -extern void bgp_zebra_withdraw (struct prefix *, struct bgp_info *); +extern void bgp_zebra_announce (struct prefix *, struct bgp_info *, struct bgp *, safi_t); +extern void bgp_zebra_withdraw (struct prefix *, struct bgp_info *, safi_t); extern int bgp_redistribute_set (struct bgp *, afi_t, int); extern int bgp_redistribute_rmap_set (struct bgp *, afi_t, int, const char *); diff --git a/lib/zclient.c b/lib/zclient.c index 12d113e7..0c3461e7 100644 --- a/lib/zclient.c +++ b/lib/zclient.c @@ -476,6 +476,7 @@ zapi_ipv4_route (u_char cmd, struct zclient *zclient, struct prefix_ipv4 *p, stream_putc (s, api->type); stream_putc (s, api->flags); stream_putc (s, api->message); + stream_putw (s, api->safi); /* Put prefix information. */ psize = PSIZE (p->prefixlen); diff --git a/lib/zclient.h b/lib/zclient.h index 5c3db382..8b3e71af 100644 --- a/lib/zclient.h +++ b/lib/zclient.h @@ -108,6 +108,8 @@ struct zapi_ipv4 u_char message; + safi_t safi; + u_char nexthop_num; struct in_addr **nexthop; -- cgit v1.2.1