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tcp md5sig: Remove redundant protocol argument. 

Protocol is always TCP, so remove useless protocol argument.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-04-17 12:48:12 +09:00
parent 7d5d5525bd
commit 076fb72233
4 changed files with 16 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/tcp.h
View File

@ -1123,7 +1123,6 @@ extern int tcp_v4_calc_md5_hash(char *md5_hash,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th,
int protocol,
unsigned int tcplen);
extern struct tcp_md5sig_key *tcp_v4_md5_lookup(struct sock *sk,
struct sock *addr_sk);
@ -1373,7 +1372,6 @@ struct tcp_sock_af_ops {
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th,
int protocol,
unsigned int len);
int (*md5_add) (struct sock *sk,
struct sock *addr_sk,

20
net/ipv4/tcp_ipv4.c
View File

@ -95,8 +95,7 @@ static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
__be32 addr);
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
unsigned int tcplen);
struct tcphdr *th, unsigned int tcplen);
#endif
struct inet_hashinfo __cacheline_aligned tcp_hashinfo = {
@ -586,8 +585,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
&rep.th, IPPROTO_TCP,
arg.iov[0].iov_len);
&rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
@ -680,8 +678,7 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
key,
ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr,
&rep.th, IPPROTO_TCP,
arg.iov[0].iov_len);
&rep.th, arg.iov[0].iov_len);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,
@ -1006,7 +1003,7 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char __user *optval,
static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
__be32 saddr, __be32 daddr,
struct tcphdr *th, int protocol,
struct tcphdr *th,
unsigned int tcplen)
{
struct scatterlist sg[4];
@ -1039,7 +1036,7 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
bp->saddr = saddr;
bp->daddr = daddr;
bp->pad = 0;
bp->protocol = protocol;
bp->protocol = IPPROTO_TCP;
bp->len = htons(tcplen);
sg_init_table(sg, 4);
@ -1099,7 +1096,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th, int protocol,
struct tcphdr *th,
unsigned int tcplen)
{
__be32 saddr, daddr;
@ -1115,7 +1112,7 @@ int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
}
return tcp_v4_do_calc_md5_hash(md5_hash, key,
saddr, daddr,
th, protocol, tcplen);
th, tcplen);
}
EXPORT_SYMBOL(tcp_v4_calc_md5_hash);
@ -1166,8 +1163,7 @@ static int tcp_v4_inbound_md5_hash(struct sock *sk, struct sk_buff *skb)
genhash = tcp_v4_do_calc_md5_hash(newhash,
hash_expected,
iph->saddr, iph->daddr,
th, sk->sk_protocol,
skb->len);
th, skb->len);
if (genhash || memcmp(hash_location, newhash, 16) != 0) {
if (net_ratelimit()) {

3
net/ipv4/tcp_output.c
View File

@ -607,7 +607,6 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
md5,
sk, NULL, NULL,
tcp_hdr(skb),
sk->sk_protocol,
skb->len);
}
#endif
@ -2266,7 +2265,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
tp->af_specific->calc_md5_hash(md5_hash_location,
md5,
NULL, dst, req,
tcp_hdr(skb), sk->sk_protocol,
tcp_hdr(skb),
skb->len);
}
#endif

17
net/ipv6/tcp_ipv6.c
View File

@ -736,8 +736,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct in6_addr *saddr,
struct in6_addr *daddr,
struct tcphdr *th, int protocol,
unsigned int tcplen)
struct tcphdr *th, unsigned int tcplen)
{
struct scatterlist sg[4];
__u16 data_len;
@ -761,7 +760,7 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
ipv6_addr_copy(&bp->saddr, saddr);
ipv6_addr_copy(&bp->daddr, daddr);
bp->len = htonl(tcplen);
bp->protocol = htonl(protocol);
bp->protocol = htonl(IPPROTO_TCP);
sg_init_table(sg, 4);
@ -821,8 +820,7 @@ static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
struct sock *sk,
struct dst_entry *dst,
struct request_sock *req,
struct tcphdr *th, int protocol,
unsigned int tcplen)
struct tcphdr *th, unsigned int tcplen)
{
struct in6_addr *saddr, *daddr;
@ -835,7 +833,7 @@ static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
}
return tcp_v6_do_calc_md5_hash(md5_hash, key,
saddr, daddr,
th, protocol, tcplen);
th, tcplen);
}
static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
@ -879,8 +877,7 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
genhash = tcp_v6_do_calc_md5_hash(newhash,
hash_expected,
&ip6h->saddr, &ip6h->daddr,
th, sk->sk_protocol,
skb->len);
th, skb->len);
if (genhash || memcmp(hash_location, newhash, 16) != 0) {
if (net_ratelimit()) {
printk(KERN_INFO "MD5 Hash %s for "
@ -1020,7 +1017,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
tcp_v6_do_calc_md5_hash((__u8 *)&opt[1], key,
&ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr,
t1, IPPROTO_TCP, tot_len);
t1, tot_len);
}
#endif
@ -1126,7 +1123,7 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
tcp_v6_do_calc_md5_hash((__u8 *)topt, key,
&ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr,
t1, IPPROTO_TCP, tot_len);
t1, tot_len);
}
#endif