On Sat, Jun 12, 2010 at 4:18 PM, Jan Engelhardt <jengelh@xxxxxxxxxx> wrote:
>
> On Saturday 2010-06-12 07:59, Changli Gao wrote:
>>--- 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 TH_FIN 0x01
>>+#define TH_SYN 0x02
>>+#define TH_RST 0x04
>>+#define TH_PUSH 0x08
>>+#define TH_ACK 0x10
>>+#define TH_URG 0x20
>>+#define TH_ECE 0x40
>>+#define TH_CWR 0x80
>
> I'd prefer something less generic, like TCPHDR_{FIN,SYN,etc}.
>
>
The same macros are definied by BSDs too. So I think it is better to
keep them the same.
--
Regards,
Changli Gao(xiaosuo@xxxxxxxxx)
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