From: Chirag Shah <chirag@cumulusnetworks.com>
Date: Wed, 5 Dec 2018 01:08:47 +0000 (-0800)
Subject: bgpd: set attribute change flag to evpn imported
X-Git-Tag: frr-7.1-dev~125^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=a9f8ad9fca1eebc741a2db5ed813be9a1e2c29c7;p=matthieu%2Ffrr.git

bgpd: set attribute change flag to evpn imported

EVPN route's attribute changes,
mark attribute change flag to imported unicast route.

A scenario where AS_PATH attribute have changed for an EVPN type-5
route, set attribute change
to imported route.

Ticket:CM-23008
Reviewed By:
Testing Done:
Validated via marking EVPN route with AS_PATH prepand.
At the receiving VTEP, ensure attribute change flag is set to
imported unicast route and bgp update sent to VTEPs subsequent
bgp peers with AS_PATH prepend update.

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
---

diff --git a/bgpd/bgp_evpn.c b/bgpd/bgp_evpn.c
index 7be7937786..ac5880938f 100644
--- a/bgpd/bgp_evpn.c
+++ b/bgpd/bgp_evpn.c
@@ -2498,6 +2498,7 @@ static int install_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
 					   &attr_new->mp_nexthop_global)))
 			SET_FLAG(pi->flags, BGP_PATH_IGP_CHANGED);
 
+		bgp_path_info_set_flag(rn, pi, BGP_PATH_ATTR_CHANGED);
 		/* Unintern existing, set to new. */
 		bgp_attr_unintern(&pi->attr);
 		pi->attr = attr_new;