This is a note to let you know that I've just added the patch titled
gre: Use inner mac length when computing tunnel length
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
gre-use-inner-mac-length-when-computing-tunnel-length.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Fri Nov 7 11:36:50 PST 2014
From: Tom Herbert <therbert@xxxxxxxxxx>
Date: Thu, 30 Oct 2014 08:40:56 -0700
Subject: gre: Use inner mac length when computing tunnel length
From: Tom Herbert <therbert@xxxxxxxxxx>
[ Upstream commit 14051f0452a2c26a3f4791e6ad6a435e8f1945ff ]
Currently, skb_inner_network_header is used but this does not account
for Ethernet header for ETH_P_TEB. Use skb_inner_mac_header which
handles TEB and also should work with IP encapsulation in which case
inner mac and inner network headers are the same.
Tested: Ran TCP_STREAM over GRE, worked as expected.
Signed-off-by: Tom Herbert <therbert@xxxxxxxxxx>
Acked-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv4/gre_offload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -51,7 +51,7 @@ static struct sk_buff *gre_gso_segment(s
greh = (struct gre_base_hdr *)skb_transport_header(skb);
- ghl = skb_inner_network_header(skb) - skb_transport_header(skb);
+ ghl = skb_inner_mac_header(skb) - skb_transport_header(skb);
if (unlikely(ghl < sizeof(*greh)))
goto out;
Patches currently in stable-queue which might be from therbert@xxxxxxxxxx are
queue-3.17/gre-use-inner-mac-length-when-computing-tunnel-length.patch
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