[PATCH 4.4 148/190] vxlan: dont migrate permanent fdb entries during learn

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

--

From: Roopa Prabhu 


[ 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 
Signed-off-by: David S. Miller 
Signed-off-by: Sasha Levin 
Signed-off-by: Greg Kroah-Hartman 
---
 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())

[PATCH 4.4 148/190] vxlan: dont migrate permanent fdb entries during learn

[Greg Kroah-Hartman]

4.4-stable review patch.  If anyone has any objections, please let me know.

--

From: Roopa Prabhu 


[ 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 
Signed-off-by: David S. Miller 
Signed-off-by: Sasha Levin 
Signed-off-by: Greg Kroah-Hartman 
---
 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())