diff options
Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r-- | include/linux/tcp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 18a468d..244ae0d 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -178,6 +178,16 @@ struct tcp_md5sig { #include <net/inet_connection_sock.h> #include <net/inet_timewait_sock.h> +static inline unsigned int tcp_hdrlen(const struct sk_buff *skb) +{ + return skb->h.th->doff * 4; +} + +static inline unsigned int tcp_optlen(const struct sk_buff *skb) +{ + return (skb->h.th->doff - 5) * 4; +} + /* This defines a selective acknowledgement block. */ struct tcp_sack_block_wire { __be32 start_seq; |