While vxlan doesn't need any extra tailroom, the lowerdev might need it. In
that case, copy it over to reduce the chance for additional (re)allocations
in the transmit path.
Signed-off-by: Sven Eckelmann <s...@narfation.org>
---
drivers/net/vxlan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 25b5b5a2dfea..44bb02122526 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3801,6 +3801,8 @@ static void vxlan_config_apply(struct net_device *dev,
needed_headroom = lowerdev->hard_header_len;
needed_headroom += lowerdev->needed_headroom;
+ dev->needed_tailroom = lowerdev->needed_tailroom;
+
max_mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM :
VXLAN_HEADROOM);
if (max_mtu < ETH_MIN_MTU)
--
2.29.2
