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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-05-10 11:43:46 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-05-10 11:43:46 -0700
commit2a267e7c41aa88215de2b542de797d03d16ecdfd (patch)
treeb949270835e304c8b60a40cde1b2c2e19c13b33a /include/linux/ip.h
parent0981949da8f7498b96c6e0ae60680865ca283bf1 (diff)
parente93c9c99a629c61837d5a7fc2120cd2b6c70dbdd (diff)
downloadcachepc-linux-2a267e7c41aa88215de2b542de797d03d16ecdfd.tar.gz
cachepc-linux-2a267e7c41aa88215de2b542de797d03d16ecdfd.zip
Merge tag 'v5.1' into next
Sync up with mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/ip.h')
-rw-r--r--include/linux/ip.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ip.h b/include/linux/ip.h
index 492bc6513533..482b7b7c9f30 100644
--- a/include/linux/ip.h
+++ b/include/linux/ip.h
@@ -34,4 +34,9 @@ static inline struct iphdr *ipip_hdr(const struct sk_buff *skb)
{
return (struct iphdr *)skb_transport_header(skb);
}
+
+static inline unsigned int ip_transport_len(const struct sk_buff *skb)
+{
+ return ntohs(ip_hdr(skb)->tot_len) - skb_network_header_len(skb);
+}
#endif /* _LINUX_IP_H */