bgpd: add usid behavior for bgp srv6 instructions

Until now, BGP srv6 usid instructions were not really used. Add the
support for this.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

diff --git a/bgpd/bgp_mplsvpn.c b/bgpd/bgp_mplsvpn.c
index 0260cc2c3bdde87c2e5886b991461621dad63d1a..6aae3286033f226ee444027cf1accf53a5e33d59 100644 (file)
--- a/bgpd/bgp_mplsvpn.c
+++ b/bgpd/bgp_mplsvpn.c
@@ -397,6 +397,8 @@ void vpn_leak_zebra_vrf_sid_update_per_af(struct bgp *bgp, afi_t afi)
                ctx.argument_len =
                        bgp->vpn_policy[afi]
                                .tovpn_sid_locator->argument_bits_length;
+               if (CHECK_FLAG(bgp->vpn_policy[afi].tovpn_sid_locator->flags, SRV6_LOCATOR_USID))
+                       SET_SRV6_FLV_OP(ctx.flv.flv_ops, ZEBRA_SEG6_LOCAL_FLV_OP_NEXT_CSID);
        }
        ctx.table = vrf->data.l.table_id;
        act = afi == AFI_IP ? ZEBRA_SEG6_LOCAL_ACTION_END_DT4
@@ -454,6 +456,8 @@ void vpn_leak_zebra_vrf_sid_update_per_vrf(struct bgp *bgp)
                ctx.node_len = bgp->tovpn_sid_locator->node_bits_length;
                ctx.function_len = bgp->tovpn_sid_locator->function_bits_length;
                ctx.argument_len = bgp->tovpn_sid_locator->argument_bits_length;
+               if (CHECK_FLAG(bgp->tovpn_sid_locator->flags, SRV6_LOCATOR_USID))
+                       SET_SRV6_FLV_OP(ctx.flv.flv_ops, ZEBRA_SEG6_LOCAL_FLV_OP_NEXT_CSID);
        }
        ctx.table = vrf->data.l.table_id;
        act = ZEBRA_SEG6_LOCAL_ACTION_END_DT46;