diff options
| author | Philippe Guibert <philippe.guibert@6wind.com> | 2022-07-01 14:50:40 +0200 |
|---|---|---|
| committer | Philippe Guibert <philippe.guibert@6wind.com> | 2022-07-18 08:57:19 +0200 |
| commit | a486300b2679ff80a13d800ed76e1236edfcaa2b (patch) | |
| tree | 86d6b6c5483616c5a10a95191f20f17c9a745bb4 /bgpd/bgp_mplsvpn.h | |
| parent | 1004137bf3ac8c71fdddba6c1a4dc1f37646ac40 (diff) | |
bgpd: implement retain route-target all behaviour
A new command is available under SAFI_MPLS_VPN:
With this command, the BGP vpnvx prefixes received are
not kept, if there are no VRF interested in importing
those vpn entries.
A soft refresh is performed if there is a change of
configuration: retain cmd, vrf import settings, or
route-map change.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
Diffstat (limited to 'bgpd/bgp_mplsvpn.h')
| -rw-r--r-- | bgpd/bgp_mplsvpn.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/bgpd/bgp_mplsvpn.h b/bgpd/bgp_mplsvpn.h index fcabb16435..8b081807df 100644 --- a/bgpd/bgp_mplsvpn.h +++ b/bgpd/bgp_mplsvpn.h @@ -25,6 +25,7 @@ #include "bgpd/bgp_route.h" #include "bgpd/bgp_rd.h" #include "bgpd/bgp_zebra.h" +#include "bgpd/bgp_vty.h" #define MPLS_LABEL_IS_SPECIAL(label) ((label) <= MPLS_LABEL_EXTENSION) #define MPLS_LABEL_IS_NULL(label) \ @@ -70,7 +71,7 @@ extern void vpn_leak_to_vrf_withdraw_all(struct bgp *to_bgp, afi_t afi); extern void vpn_leak_to_vrf_update_all(struct bgp *to_bgp, struct bgp *from_bgp, afi_t afi); -extern void vpn_leak_to_vrf_update(struct bgp *from_bgp, +extern bool vpn_leak_to_vrf_update(struct bgp *from_bgp, struct bgp_path_info *path_vpn); extern void vpn_leak_to_vrf_withdraw(struct bgp *from_bgp, @@ -233,8 +234,14 @@ static inline void vpn_leak_postchange(enum vpn_policy_direction direction, if (!bgp_vpn) return; - if (direction == BGP_VPN_POLICY_DIR_FROMVPN) - vpn_leak_to_vrf_update_all(bgp_vrf, bgp_vpn, afi); + if (direction == BGP_VPN_POLICY_DIR_FROMVPN) { + /* trigger a flush to re-sync with ADJ-RIB-in */ + if (!CHECK_FLAG(bgp_vpn->af_flags[afi][SAFI_MPLS_VPN], + BGP_VPNVX_RETAIN_ROUTE_TARGET_ALL)) + bgp_clear_soft_in(bgp_vpn, afi, SAFI_MPLS_VPN); + else + vpn_leak_to_vrf_update_all(bgp_vrf, bgp_vpn, afi); + } if (direction == BGP_VPN_POLICY_DIR_TOVPN) { if (bgp_vrf->vpn_policy[afi].tovpn_label != |