diff options
Diffstat (limited to 'zebra/zebra_l2.c')
| -rw-r--r-- | zebra/zebra_l2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/zebra/zebra_l2.c b/zebra/zebra_l2.c index c3fbff2723..71fac556e1 100644 --- a/zebra/zebra_l2.c +++ b/zebra/zebra_l2.c @@ -290,6 +290,32 @@ void zebra_l2_vlanif_update(struct interface *ifp, } /* + * Update L2 info for a GRE interface. This is called upon interface + * addition as well as update. Upon add/update, need to inform + * clients about GRE information. + */ +void zebra_l2_greif_add_update(struct interface *ifp, + struct zebra_l2info_gre *gre_info, int add) +{ + struct zebra_if *zif; + struct in_addr old_vtep_ip; + + zif = ifp->info; + assert(zif); + + if (add) { + memcpy(&zif->l2info.gre, gre_info, sizeof(*gre_info)); + return; + } + + old_vtep_ip = zif->l2info.gre.vtep_ip; + if (IPV4_ADDR_SAME(&old_vtep_ip, &gre_info->vtep_ip)) + return; + + zif->l2info.gre.vtep_ip = gre_info->vtep_ip; +} + +/* * Update L2 info for a VxLAN interface. This is called upon interface * addition as well as update. Upon add, need to invoke the VNI create * function. Upon update, the params of interest are the local tunnel |