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Subject[PATCH 4.4 148/190] vxlan: dont migrate permanent fdb entries during learn
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Roopa Prabhu <roopa@cumulusnetworks.com>


[ Upstream commit e0090a9e979de5202c7d16c635dea2f005221073 ]

This patch fixes vxlan_snoop to not move permanent fdb entries
on learn events. This is consistent with the bridge fdb
handling of permanent entries.

Fixes: 26a41ae60438 ("vxlan: only migrate dynamic FDB entries")
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/vxlan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -962,7 +962,7 @@ static bool vxlan_snoop(struct net_devic
return false;

/* Don't migrate static entries, drop packets */
- if (f->state & NUD_NOARP)
+ if (f->state & (NUD_PERMANENT | NUD_NOARP))
return true;

if (net_ratelimit())

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