diff options
| author | Changli Gao <xiaosuo@gmail.com> | 2010-06-12 14:01:43 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-15 11:56:19 -0700 |
| commit | a3433f35a55f7604742cae620c6dc6edfc70db6a (patch) | |
| tree | 4ce6d169e402c03a48319a9db4055cc31df00d42 /include/net/tcp.h | |
| parent | f350a0a87374418635689471606454abc7beaa3a (diff) | |
tcp: unify tcp flag macros
unify tcp flag macros: TCPHDR_FIN, TCPHDR_SYN, TCPHDR_RST, TCPHDR_PSH,
TCPHDR_ACK, TCPHDR_URG, TCPHDR_ECE and TCPHDR_CWR. TCBCB_FLAG_* are replaced
with the corresponding TCPHDR_*.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
include/net/tcp.h | 24 ++++++-------
net/ipv4/tcp.c | 8 ++--
net/ipv4/tcp_input.c | 2 -
net/ipv4/tcp_output.c | 59 ++++++++++++++++-----------------
net/netfilter/nf_conntrack_proto_tcp.c | 32 ++++++-----------
net/netfilter/xt_TCPMSS.c | 4 --
6 files changed, 58 insertions(+), 71 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 57316648441..9e68e25c8b8 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -602,6 +602,17 @@ extern u32 __tcp_select_window(struct sock *sk); */ #define tcp_time_stamp ((__u32)(jiffies)) +#define tcp_flag_byte(th) (((u_int8_t *)th)[13]) + +#define TCPHDR_FIN 0x01 +#define TCPHDR_SYN 0x02 +#define TCPHDR_RST 0x04 +#define TCPHDR_PSH 0x08 +#define TCPHDR_ACK 0x10 +#define TCPHDR_URG 0x20 +#define TCPHDR_ECE 0x40 +#define TCPHDR_CWR 0x80 + /* This is what the send packet queuing engine uses to pass * TCP per-packet control information to the transmission * code. We also store the host-order sequence numbers in @@ -620,19 +631,6 @@ struct tcp_skb_cb { __u32 end_seq; /* SEQ + FIN + SYN + datalen */ __u32 when; /* used to compute rtt's */ __u8 flags; /* TCP header flags. */ - - /* NOTE: These must match up to the flags byte in a - * real TCP header. - */ -#define TCPCB_FLAG_FIN 0x01 -#define TCPCB_FLAG_SYN 0x02 -#define TCPCB_FLAG_RST 0x04 -#define TCPCB_FLAG_PSH 0x08 -#define TCPCB_FLAG_ACK 0x10 -#define TCPCB_FLAG_URG 0x20 -#define TCPCB_FLAG_ECE 0x40 -#define TCPCB_FLAG_CWR 0x80 - __u8 sacked; /* State flags for SACK/FACK. */ #define TCPCB_SACKED_ACKED 0x01 /* SKB ACK'd by a SACK block */ #define TCPCB_SACKED_RETRANS 0x02 /* SKB retransmitted */ |