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Merge pull request #7482 from AnuradhaKaruppiah/evpn-sticky-fix

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zebra: Set NUD_NOARP on sticky MAC entries in addition to NTF_STICKY
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Mark Stapp 2020-11-10 15:13:10 -05:00 committed by GitHub
commit 3adb21ea4e
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1 changed files with 6 additions and 2 deletions
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8
zebra/rt_netlink.c
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@ -3179,10 +3179,14 @@ ssize_t netlink_macfdb_update_ctx(struct zebra_dplane_ctx *ctx, void *data,
update_flags = dplane_ctx_mac_get_update_flags(ctx); update_flags = dplane_ctx_mac_get_update_flags(ctx);
if (update_flags & DPLANE_MAC_REMOTE) { if (update_flags & DPLANE_MAC_REMOTE) {
flags |= NTF_SELF; flags |= NTF_SELF;
if (dplane_ctx_mac_is_sticky(ctx)) if (dplane_ctx_mac_is_sticky(ctx)) {
/* NUD_NOARP prevents the entry from expiring */
state |= NUD_NOARP;
/* sticky the entry from moving */
flags |= NTF_STICKY; flags |= NTF_STICKY;
else } else {
flags |= NTF_EXT_LEARNED; flags |= NTF_EXT_LEARNED;
}
/* if it was static-local previously we need to clear the /* if it was static-local previously we need to clear the
* notify flags on replace with remote * notify flags on replace with remote
*/ */