From d5768d2dff2de71c78031cfd0dd141a41341e5cb Mon Sep 17 00:00:00 2001 From: Asias He Date: Wed, 29 Jun 2011 16:47:21 +0800 Subject: [PATCH] kvm tools: Add helper to return start address of TCP payload uip_tcp_payload() returns start address of TCP payload in a TCP package. Signed-off-by: Asias He Signed-off-by: Pekka Enberg --- include/kvm/uip.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/kvm/uip.h b/include/kvm/uip.h index 2ac48d7..a3fd1b0 100644 --- a/include/kvm/uip.h +++ b/include/kvm/uip.h @@ -222,6 +222,11 @@ static inline u16 uip_tcp_payloadlen(struct uip_tcp *tcp) return uip_tcp_len(tcp) - uip_tcp_hdrlen(tcp); } +static inline u8 *uip_tcp_payload(struct uip_tcp *tcp) +{ + return (u8 *)&tcp->sport + uip_tcp_hdrlen(tcp); +} + static inline u16 uip_eth_hdrlen(struct uip_eth *eth) { return sizeof(*eth);