[NET]: Split skb->csum

... into anonymous union of __wsum and __u32 (csum and csum_offset resp.)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index fcab543d79a..14ec16d2d9b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -274,7 +274,10 @@ struct sk_buff {
         unsigned int            len,
                                 data_len,
                                 mac_len;
-        __wsum                  csum;
+        union {
+                __wsum          csum;
+                __u32           csum_offset;
+        };
         __u32                   priority;
         __u8                    local_df:1,
                                 cloned:1,