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Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4475b3bb494d..97c8f5620c43 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1044,7 +1044,8 @@ void tcp_free_fastopen_req(struct tcp_sock *tp)
1044 } 1044 }
1045} 1045}
1046 1046
1047static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *size) 1047static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
1048 int *copied, size_t size)
1048{ 1049{
1049 struct tcp_sock *tp = tcp_sk(sk); 1050 struct tcp_sock *tp = tcp_sk(sk);
1050 int err, flags; 1051 int err, flags;
@@ -1059,11 +1060,12 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *size)
1059 if (unlikely(tp->fastopen_req == NULL)) 1060 if (unlikely(tp->fastopen_req == NULL))
1060 return -ENOBUFS; 1061 return -ENOBUFS;
1061 tp->fastopen_req->data = msg; 1062 tp->fastopen_req->data = msg;
1063 tp->fastopen_req->size = size;
1062 1064
1063 flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0; 1065 flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0;
1064 err = __inet_stream_connect(sk->sk_socket, msg->msg_name, 1066 err = __inet_stream_connect(sk->sk_socket, msg->msg_name,
1065 msg->msg_namelen, flags); 1067 msg->msg_namelen, flags);
1066 *size = tp->fastopen_req->copied; 1068 *copied = tp->fastopen_req->copied;
1067 tcp_free_fastopen_req(tp); 1069 tcp_free_fastopen_req(tp);
1068 return err; 1070 return err;
1069} 1071}
@@ -1083,7 +1085,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
1083 1085
1084 flags = msg->msg_flags; 1086 flags = msg->msg_flags;
1085 if (flags & MSG_FASTOPEN) { 1087 if (flags & MSG_FASTOPEN) {
1086 err = tcp_sendmsg_fastopen(sk, msg, &copied_syn); 1088 err = tcp_sendmsg_fastopen(sk, msg, &copied_syn, size);
1087 if (err == -EINPROGRESS && copied_syn > 0) 1089 if (err == -EINPROGRESS && copied_syn > 0)
1088 goto out; 1090 goto out;
1089 else if (err) 1091 else if (err)
@@ -2229,7 +2231,7 @@ adjudge_to_death:
2229 /* This is a (useful) BSD violating of the RFC. There is a 2231 /* This is a (useful) BSD violating of the RFC. There is a
2230 * problem with TCP as specified in that the other end could 2232 * problem with TCP as specified in that the other end could
2231 * keep a socket open forever with no application left this end. 2233 * keep a socket open forever with no application left this end.
2232 * We use a 3 minute timeout (about the same as BSD) then kill 2234 * We use a 1 minute timeout (about the same as BSD) then kill
2233 * our end. If they send after that then tough - BUT: long enough 2235 * our end. If they send after that then tough - BUT: long enough
2234 * that we won't make the old 4*rto = almost no time - whoops 2236 * that we won't make the old 4*rto = almost no time - whoops
2235 * reset mistake. 2237 * reset mistake.