[NET] gso: Add skb_is_gso
This patch adds the wrapper function skb_is_gso which can be used instead
of directly testing skb_shinfo(skb)->gso_size. This makes things a little
nicer and allows us to change the primary key for indicating whether an skb
is GSO (if we ever want to do that).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 85f99f6..0359a64 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1001,7 +1001,7 @@
static inline int skb_gso_ok(struct sk_buff *skb, int features)
{
- return net_gso_ok(features, skb_shinfo(skb)->gso_size ?
+ return net_gso_ok(features, skb_is_gso(skb) ?
skb_shinfo(skb)->gso_type : 0);
}
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3597b4f..0bf31b8 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1455,5 +1455,10 @@
{ }
#endif
+static inline int skb_is_gso(const struct sk_buff *skb)
+{
+ return skb_shinfo(skb)->gso_size;
+}
+
#endif /* __KERNEL__ */
#endif /* _LINUX_SKBUFF_H */