Commit d0a7ebbc authored Jul 10, 2014 by Amritha Nambiar Committed by David S. Miller Jul 11, 2014

GRE: enable offloads for GRE



To get offloads to work with Generic Routing Encapsulation (GRE), the
outer transport header has to be reset after skb_push is done. This
patch has the support for this fix and hence GRE offloading.

Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Signed-off-by: Joseph Gasparakis <joseph.gasparakis@intel.com>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 19eeb2f9

net/ipv4/gre_demux.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -68,6 +68,7 @@ void gre_build_header(struct sk_buff skb, const struct tnl_ptk_info tpi,

		skb_push(skb, hdr_len);

		skb_reset_transport_header(skb);
		greh = (struct gre_base_hdr *)skb->data;
		greh->flags = tnl_flags_to_gre_flags(tpi->flags);
		greh->protocol = tpi->proto;