diff options
Diffstat (limited to 'zebra/zebra_evpn_mh.c')
| -rw-r--r-- | zebra/zebra_evpn_mh.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/zebra/zebra_evpn_mh.c b/zebra/zebra_evpn_mh.c index 1c258a04f7..cabba707a0 100644 --- a/zebra/zebra_evpn_mh.c +++ b/zebra/zebra_evpn_mh.c @@ -3867,6 +3867,47 @@ static void zebra_evpn_mh_startup_delay_timer_start(const char *rc) } } +/***************************************************************************** + * Nexthop management: nexthops associated with Type-2 routes that have + * an ES as destination are consolidated by BGP into a per-VRF nh->rmac + * mapping which is the installed as a remote neigh/fdb entry with a + * dummy (type-1) prefix referencing it. + * This handling is needed because Type-2 routes with ES as dest use NHG + * that are setup using EAD routes (i.e. such NHGs do not include the + * RMAC info). + ****************************************************************************/ +void zebra_evpn_proc_remote_nh(ZAPI_HANDLER_ARGS) +{ + struct stream *s; + vrf_id_t vrf_id; + struct ipaddr nh; + struct ethaddr rmac; + struct prefix_evpn dummy_prefix; + + s = msg; + vrf_id = stream_getl(s); + stream_get(&nh, s, sizeof(nh)); + + memset(&dummy_prefix, 0, sizeof(dummy_prefix)); + dummy_prefix.family = AF_EVPN; + dummy_prefix.prefixlen = (sizeof(struct evpn_addr) * 8); + dummy_prefix.prefix.route_type = 1; /* XXX - fixup to type-1 def */ + + if (hdr->command == ZEBRA_EVPN_REMOTE_NH_ADD) { + stream_get(&rmac, s, sizeof(rmac)); + if (IS_ZEBRA_DEBUG_EVPN_MH_ES) + zlog_debug("evpn remote nh %d %pIA rmac %pEA add", + vrf_id, &nh, &rmac); + zebra_vxlan_evpn_vrf_route_add(vrf_id, &rmac, &nh, + (struct prefix *)&dummy_prefix); + } else { + if (IS_ZEBRA_DEBUG_EVPN_MH_ES) + zlog_debug("evpn remote nh %d %pIA del", vrf_id, &nh); + zebra_vxlan_evpn_vrf_route_del(vrf_id, &nh, + (struct prefix *)&dummy_prefix); + } +} + /*****************************************************************************/ void zebra_evpn_mh_config_write(struct vty *vty) { |