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-rw-r--r--include/linux/tcp.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 244ae0dacf4a..911d937fb4c1 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -178,14 +178,19 @@ struct tcp_md5sig {
178#include <net/inet_connection_sock.h> 178#include <net/inet_connection_sock.h>
179#include <net/inet_timewait_sock.h> 179#include <net/inet_timewait_sock.h>
180 180
181static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
182{
183 return (struct tcphdr *)skb->h.raw;
184}
185
181static inline unsigned int tcp_hdrlen(const struct sk_buff *skb) 186static inline unsigned int tcp_hdrlen(const struct sk_buff *skb)
182{ 187{
183 return skb->h.th->doff * 4; 188 return tcp_hdr(skb)->doff * 4;
184} 189}
185 190
186static inline unsigned int tcp_optlen(const struct sk_buff *skb) 191static inline unsigned int tcp_optlen(const struct sk_buff *skb)
187{ 192{
188 return (skb->h.th->doff - 5) * 4; 193 return (tcp_hdr(skb)->doff - 5) * 4;
189} 194}
190 195
191/* This defines a selective acknowledgement block. */ 196/* This defines a selective acknowledgement block. */