udptunnel: Add SKB_GSO_UDP_TUNNEL during gro_complete.

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commit cfdf1e1ba5 upstream.

When doing GRO processing for UDP tunnels, we never add
SKB_GSO_UDP_TUNNEL to gso_type - only the type of the inner protocol
is added (such as SKB_GSO_TCPV4). The result is that if the packet is
later resegmented we will do GSO but not treat it as a tunnel. This
results in UDP fragmentation of the outer header instead of (i.e.) TCP
segmentation of the inner header as was originally on the wire.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Ben Hutchings <ben@decadent.org.uk>
[ luis: backported to 3.16:
  - dropped changes to net/ipv4/fou.c
  - inlined call to udp_tunnel_gro_complete() in drivers/net/vxlan.c ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

...

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Jesse Gross 2014-11-10 11:45:13 -08:00 • committed by Luis Henriques

parent 2dd2c68ec5

commit e6277430fa

1 changed files with 5 additions and 0 deletions

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drivers/net/vxlan.c

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