udp: Record gso_segs when supporting UDP segmentation offload
authorAlexander Duyck <alexander.h.duyck@intel.com>
Mon, 7 May 2018 18:08:22 +0000 (11:08 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 9 May 2018 02:30:05 +0000 (22:30 -0400)
commitdfec0ee22c0a4488e4f4c764b2720d3096920383
tree42f86b2a8e499b72818c3f3f0a548b1342452e3f
parent53a7bdfb2a2756cce8003b90817f8a6fb4d830d9
udp: Record gso_segs when supporting UDP segmentation offload

We need to record the number of segments that will be generated when this
frame is segmented. The expectation is that if gso_size is set then
gso_segs is set as well. Without this some drivers such as ixgbe get
confused if they attempt to offload this as they record 0 segments for the
entire packet instead of the correct value.

Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/udp.c