From c2e10422033771da9f12a4a283b0bc767240a3d8 Mon Sep 17 00:00:00 2001 From: Donatas Abraitis Date: Tue, 31 Jul 2018 10:15:51 +0300 Subject: [PATCH] bgpd: Make sure default-originate works without route-map as well --- bgpd/bgp_updgrp_adv.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/bgpd/bgp_updgrp_adv.c b/bgpd/bgp_updgrp_adv.c index 1f80470f59..f44e95a50a 100644 --- a/bgpd/bgp_updgrp_adv.c +++ b/bgpd/bgp_updgrp_adv.c @@ -662,6 +662,7 @@ void subgroup_announce_route(struct update_subgroup *subgrp) void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw) { struct bgp *bgp; + struct attr attr; struct bgp_info *info, init_info; struct prefix p; struct peer *from; @@ -685,8 +686,23 @@ void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw) bgp = peer->bgp; from = bgp->peer_self; - init_info.attr = NULL; + bgp_attr_default_set(&attr, BGP_ORIGIN_IGP); + attr.local_pref = bgp->default_local_pref; + + if ((afi == AFI_IP6) || peer_cap_enhe(peer, afi, safi)) { + /* IPv6 global nexthop must be included. + */ + attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; + + /* If the peer is on shared nextwork and + * we have link-local nexthop set it. */ + if (peer->shared_network + && !IN6_IS_ADDR_UNSPECIFIED(&peer->nexthop.v6_local)) + attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL; + } + init_info.attr = &attr; info = &init_info; + bgp_attr_intern(info->attr); memset(&p, 0, sizeof(p)); p.family = afi2family(afi); @@ -709,13 +725,9 @@ void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw) if ((afi == AFI_IP6) || peer_cap_enhe(peer, afi, safi)) { - /* IPv6 global nexthop must be included. - */ tmp_info.attr->mp_nexthop_len = BGP_ATTR_NHLEN_IPV6_GLOBAL; - /* If the peer is on shared nextwork and - * we have link-local nexthop set it. */ if (peer->shared_network && !IN6_IS_ADDR_UNSPECIFIED( &peer->nexthop.v6_local)) @@ -728,6 +740,7 @@ void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw) &rn->p, RMAP_BGP, &tmp_info); info = &tmp_info; + bgp_attr_intern(info->attr); if (ret != RMAP_DENYMATCH) break; @@ -776,6 +789,7 @@ void subgroup_default_originate(struct update_subgroup *subgrp, int withdraw) BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE); } } + aspath_unintern(&info->attr->aspath); } /* -- 2.39.5