diff options
Diffstat (limited to 'bgpd/bgp_mplsvpn.h')
| -rw-r--r-- | bgpd/bgp_mplsvpn.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bgpd/bgp_mplsvpn.h b/bgpd/bgp_mplsvpn.h index 56dd33f9b1..75c0264987 100644 --- a/bgpd/bgp_mplsvpn.h +++ b/bgpd/bgp_mplsvpn.h @@ -342,6 +342,37 @@ static inline bool is_pi_family_vpn(struct bgp_path_info *pi) is_pi_family_matching(pi, AFI_IP6, SAFI_MPLS_VPN)); } +/* + * If you are using SRv6 VPN instead of MPLS, it need to check + * the SID allocation. If the sid is not allocated, the rib + * will be invalid. + * If the SID per VRF is not available, also consider the rib as + * invalid. + */ +static inline bool is_pi_srv6_valid(struct bgp_path_info *pi, struct bgp *bgp_nexthop, afi_t afi, + safi_t safi) +{ + if (!pi->attr->srv6_l3vpn && !pi->attr->srv6_vpn) + return false; + + /* imported paths from VPN: srv6 enabled and nht reachability + * are enough to know if that path is valid + */ + if (safi == SAFI_UNICAST) + return true; + + if (bgp_nexthop->vpn_policy[afi].tovpn_sid == NULL && bgp_nexthop->tovpn_sid == NULL) + return false; + + if (bgp_nexthop->tovpn_sid_index == 0 && + !CHECK_FLAG(bgp_nexthop->vrf_flags, BGP_VRF_TOVPN_SID_AUTO) && + bgp_nexthop->vpn_policy[afi].tovpn_sid_index == 0 && + !CHECK_FLAG(bgp_nexthop->vpn_policy[afi].flags, BGP_VPN_POLICY_TOVPN_SID_AUTO)) + return false; + + return true; +} + extern void vpn_policy_routemap_event(const char *rmap_name); extern vrf_id_t get_first_vrf_for_redirect_with_rt(struct ecommunity *eckey); |