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    Subject[PATCH AUTOSEL for 4.4 022/162] vxlan: dont migrate permanent fdb entries during learn
    Date
    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>
    ---
    drivers/net/vxlan.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
    index e4ff1e45c02e..c41378214ede 100644
    --- a/drivers/net/vxlan.c
    +++ b/drivers/net/vxlan.c
    @@ -962,7 +962,7 @@ static bool vxlan_snoop(struct net_device *dev,
    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())
    --
    2.15.1
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