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zebra: evpn-mh bonds protodown check for set

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When we are processing a bond member's protodown we get from
the dataplane, check to make sure we haven't already queued
up a set. If we have, it's likely this is just a notification
we get from the kernel after we set protodown and before we have
processed the result in our dplane pthread.

This change is needed now that we set protodown via the dplane
pthread.

Signed-off-by: Stephen Worley <sworley@nvidia.com>
This commit is contained in:
Stephen Worley 2022-02-15 12:36:18 -05:00
parent cb5b31f5d0
commit 4b82b95488
1 changed files with 7 additions and 0 deletions
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7
zebra/if_netlink.c
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@ -872,6 +872,13 @@ static void netlink_proc_dplane_if_protodown(struct zebra_if *zif,
zif->flags &= ~ZIF_FLAG_PROTODOWN;
if (zebra_evpn_is_es_bond_member(zif->ifp)) {
/* Check it's not already being sent to the dplane first */
if (protodown && (zif->flags & ZIF_FLAG_SET_PROTODOWN))
return;
if (!protodown && (zif->flags & ZIF_FLAG_UNSET_PROTODOWN))
return;
if (IS_ZEBRA_DEBUG_EVPN_MH_ES || IS_ZEBRA_DEBUG_KERNEL)
zlog_debug(
"bond mbr %s re-instate protdown %s in the dplane",