proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-06-13 15:40:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

bgpd: add PMSI_TUNNEL_ATTRIBUTE to EVPN IMET routes

Browse Source 
Signed-off-by: Dario Wiesner <dario.wiesner@gmail.com>
This commit is contained in:
Dario Wiesner 2018-01-04 12:34:24 +01:00
parent 3cace9de56
commit a21bd7a3b9
3 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
bgpd/bgp_attr.c
View File

@ -74,6 +74,7 @@ static const struct message attr_str[] = {
{BGP_ATTR_AS4_PATH, "AS4_PATH"},
{BGP_ATTR_AS4_AGGREGATOR, "AS4_AGGREGATOR"},
{BGP_ATTR_AS_PATHLIMIT, "AS_PATHLIMIT"},
{BGP_ATTR_PMSI_TUNNEL, "PMSI_TUNNEL_ATTRIBUTE"},
{BGP_ATTR_ENCAP, "ENCAP"},
#if ENABLE_BGP_VNC
{BGP_ATTR_VNC, "VNC"},
@ -1034,6 +1035,8 @@ const u_int8_t attr_flags_values[] = {
BGP_ATTR_FLAG_OPTIONAL | BGP_ATTR_FLAG_TRANS,
[BGP_ATTR_AS4_AGGREGATOR] =
BGP_ATTR_FLAG_OPTIONAL | BGP_ATTR_FLAG_TRANS,
[BGP_ATTR_PMSI_TUNNEL] =
BGP_ATTR_FLAG_OPTIONAL | BGP_ATTR_FLAG_TRANS,
[BGP_ATTR_LARGE_COMMUNITIES] =
BGP_ATTR_FLAG_OPTIONAL | BGP_ATTR_FLAG_TRANS,
[BGP_ATTR_PREFIX_SID] =
@ -3246,6 +3249,17 @@ bgp_size_t bgp_packet_attribute(struct bgp *bgp, struct peer *peer,
#endif
}
/* PMSI Tunnel */
if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL)) {
stream_putc(s, BGP_ATTR_FLAG_OPTIONAL | BGP_ATTR_FLAG_TRANS);
stream_putc(s, BGP_ATTR_PMSI_TUNNEL);
stream_putc(s, 9); // Length
stream_putc(s, 0); // Flags
stream_putc(s, 6); // Tunnel type: Ingress Replication (6)
stream_put(s, &(attr->label), BGP_LABEL_BYTES); // MPLS Label / VXLAN VNI
stream_put_ipv4(s, attr->nexthop.s_addr); // Unicast tunnel endpoint IP address
}
/* Unknown transit attribute. */
if (attr->transit)
stream_put(s, attr->transit->val, attr->transit->length);

2
bgpd/bgp_evpn.c
View File

@ -834,6 +834,8 @@ static int update_evpn_route(struct bgp *bgp, struct bgpevpn *vpn,
attr.mp_nexthop_global_in = vpn->originator_ip;
attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4;
attr.sticky = CHECK_FLAG(flags, ZEBRA_MAC_TYPE_STICKY) ? 1 : 0;
attr.flag |= ATTR_FLAG_BIT(BGP_ATTR_PMSI_TUNNEL);
vni2label(vpn->vni, &(attr.label));
/* Set up RT and ENCAP extended community. */
build_evpn_route_extcomm(vpn, &attr);

1
bgpd/bgpd.h
View File

@ -1020,6 +1020,7 @@ struct bgp_nlri {
#define BGP_ATTR_AS4_PATH 17
#define BGP_ATTR_AS4_AGGREGATOR 18
#define BGP_ATTR_AS_PATHLIMIT 21
#define BGP_ATTR_PMSI_TUNNEL 22
#define BGP_ATTR_ENCAP 23
#define BGP_ATTR_LARGE_COMMUNITIES 32
#define BGP_ATTR_PREFIX_SID 40