diff options
Diffstat (limited to 'zebra/zapi_msg.c')
| -rw-r--r-- | zebra/zapi_msg.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/zebra/zapi_msg.c b/zebra/zapi_msg.c index 22a6bf496b..75e2f59b98 100644 --- a/zebra/zapi_msg.c +++ b/zebra/zapi_msg.c @@ -3438,12 +3438,14 @@ static inline void zebra_gre_source_set(ZAPI_HANDLER_ARGS) vrf_id_t vrf_id = zvrf->vrf->vrf_id; struct zebra_if *zif, *gre_zif; struct zebra_l2info_gre *gre_info; + unsigned int mtu; s = msg; STREAM_GETL(s, idx); ifp = if_lookup_by_index(idx, vrf_id); STREAM_GETL(s, link_idx); STREAM_GETL(s, link_vrf_id); + STREAM_GETL(s, mtu); ifp_link = if_lookup_by_index(link_idx, link_vrf_id); if (!ifp_link || !ifp) { @@ -3464,11 +3466,14 @@ static inline void zebra_gre_source_set(ZAPI_HANDLER_ARGS) if (!gre_info) return; - /* if gre link already set */ - if (gre_zif->link && gre_zif->link == ifp_link) + if (!mtu) + mtu = ifp->mtu; + + /* if gre link already set or mtu did not change, do not set it */ + if (gre_zif->link && gre_zif->link == ifp_link && mtu == ifp->mtu) return; - dplane_gre_set(ifp, ifp_link); + dplane_gre_set(ifp, ifp_link, mtu); stream_failure: return; |