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authorEric Dumazet <edumazet@google.com>2015-03-22 10:22:19 -0700
committerDavid S. Miller <davem@davemloft.net>2015-03-23 16:52:25 -0400
commit42cb80a2353f42913ae78074ffa1f1b4a49e5436 (patch)
tree9e56ac0332e4da25abce1e03aac9503ba62341b0
parent2b41fab70fc001d2acd89c0477d32feb8265bb32 (diff)
downloadlinux-42cb80a2353f42913ae78074ffa1f1b4a49e5436.tar.bz2
inet: remove sk_listener parameter from syn_ack_timeout()
It is not needed, and req->sk_listener points to the listener anyway. request_sock argument can be const. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/dccp.h2
-rw-r--r--include/net/request_sock.h3
-rw-r--r--include/net/tcp.h2
-rw-r--r--net/dccp/ipv4.c2
-rw-r--r--net/ipv4/inet_connection_sock.c2
-rw-r--r--net/ipv4/tcp_timer.c8
6 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index 439ff698000a..3dca24d3ac67 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -317,6 +317,6 @@ static inline const char *dccp_role(const struct sock *sk)
return NULL;
}
-extern void dccp_syn_ack_timeout(struct sock *sk, struct request_sock *req);
+extern void dccp_syn_ack_timeout(const struct request_sock *req);
#endif /* _LINUX_DCCP_H */
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 6a91261d9b7b..8603c350fad0 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -39,8 +39,7 @@ struct request_sock_ops {
void (*send_reset)(struct sock *sk,
struct sk_buff *skb);
void (*destructor)(struct request_sock *req);
- void (*syn_ack_timeout)(struct sock *sk,
- struct request_sock *req);
+ void (*syn_ack_timeout)(const struct request_sock *req);
};
int inet_rtx_syn_ack(struct sock *parent, struct request_sock *req);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 082fd79132b7..1876262afd59 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -433,7 +433,7 @@ int compat_tcp_getsockopt(struct sock *sk, int level, int optname,
int compat_tcp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen);
void tcp_set_keepalive(struct sock *sk, int val);
-void tcp_syn_ack_timeout(struct sock *sk, struct request_sock *req);
+void tcp_syn_ack_timeout(const struct request_sock *req);
int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
int flags, int *addr_len);
void tcp_parse_options(const struct sk_buff *skb,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 25a9615b3b88..1f7161e05403 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -576,7 +576,7 @@ static void dccp_v4_reqsk_destructor(struct request_sock *req)
kfree(inet_rsk(req)->opt);
}
-void dccp_syn_ack_timeout(struct sock *sk, struct request_sock *req)
+void dccp_syn_ack_timeout(const struct request_sock *req)
{
}
EXPORT_SYMBOL(dccp_syn_ack_timeout);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 7d011e825c48..a12b973164d0 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -615,7 +615,7 @@ static void reqsk_timer_handler(unsigned long data)
max_retries = defer_accept;
syn_ack_recalc(req, thresh, max_retries, defer_accept,
&expire, &resend);
- req->rsk_ops->syn_ack_timeout(sk_listener, req);
+ req->rsk_ops->syn_ack_timeout(req);
if (!expire &&
(!resend ||
!inet_rtx_syn_ack(sk_listener, req) ||
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 3daa6b5d766d..2568fd282873 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -327,7 +327,7 @@ static void tcp_fastopen_synack_timer(struct sock *sk)
struct request_sock *req;
req = tcp_sk(sk)->fastopen_rsk;
- req->rsk_ops->syn_ack_timeout(sk, req);
+ req->rsk_ops->syn_ack_timeout(req);
if (req->num_timeout >= max_retries) {
tcp_write_err(sk);
@@ -539,9 +539,11 @@ static void tcp_write_timer(unsigned long data)
sock_put(sk);
}
-void tcp_syn_ack_timeout(struct sock *sk, struct request_sock *req)
+void tcp_syn_ack_timeout(const struct request_sock *req)
{
- NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPTIMEOUTS);
+ struct net *net = read_pnet(&inet_rsk(req)->ireq_net);
+
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPTIMEOUTS);
}
EXPORT_SYMBOL(tcp_syn_ack_timeout);