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tcp md5sig: Share most of hash calcucaltion bits between IPv4 and IPv6.

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We can share most part of the hash calculation code because
the only difference between IPv4 and IPv6 is their pseudo headers.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki
2008-04-17 13:19:16 +09:00
parent 076fb72233
commit 8d26d76dd4
4 changed files with 86 additions and 96 deletions
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7
include/net/tcp.h
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@@ -1117,6 +1117,13 @@ struct tcp_md5sig_pool {
#define TCP_MD5SIG_MAXKEYS (~(u32)0) /* really?! */
/* - functions */
extern int tcp_calc_md5_hash(char *md5_hash,
struct tcp_md5sig_key *key,
int bplen,
struct tcphdr *th,
unsigned int tcplen,
struct tcp_md5sig_pool *hp);
extern int tcp_v4_calc_md5_hash(char *md5_hash,
struct tcp_md5sig_key *key,
struct sock *sk,