The first two patches are to fix some issues for mtu and needed_headroom length calculation from the gre and erspan tunnel header. The last path tries to avoid arithmetic operation for every packet when checking for erspan truncate.
William Tu (3): ip_gre: fix mtu and headroom size ip_gre: fix erspan tunnel mtu calculation ip_gre: cache the device mtu hard_header_len calc include/net/erspan.h | 1 + include/net/ip_tunnels.h | 1 + net/ipv4/ip_gre.c | 23 +++++++++++------------ net/ipv4/ip_tunnel.c | 3 +++ 4 files changed, 16 insertions(+), 12 deletions(-) -- 2.7.4
