Export do_tcp_sendpages and tcp_rate_check_app_limited, since tls will need to
sendpages while the socket is already locked.
tcp_sendpage is exported, but requires the socket lock to not be held already.
Signed-off-by: Aviad Yehezkel <aviadye@xxxxxxxxxxxx>
Signed-off-by: Ilya Lesokhin <ilyal@xxxxxxxxxxxx>
Signed-off-by: Boris Pismenny <borisp@xxxxxxxxxxxx>
Signed-off-by: Dave Watson <davejwatson@xxxxxx>
---
include/net/tcp.h | 2 ++
net/ipv4/tcp.c | 5 +++--
net/ipv4/tcp_rate.c | 1 +
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index b439f46..e17ec28 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -350,6 +350,8 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
int tcp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
int flags);
+ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
+ size_t size, int flags);
void tcp_release_cb(struct sock *sk);
void tcp_wfree(struct sk_buff *skb);
void tcp_write_timer_handler(struct sock *sk);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b06ee30..11e4ee2 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -901,8 +901,8 @@ static int tcp_send_mss(struct sock *sk, int *size_goal, int flags)
return mss_now;
}
-static ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
- size_t size, int flags)
+ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
+ size_t size, int flags)
{
struct tcp_sock *tp = tcp_sk(sk);
int mss_now, size_goal;
@@ -1032,6 +1032,7 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
}
return sk_stream_error(sk, flags, err);
}
+EXPORT_SYMBOL_GPL(do_tcp_sendpages);
int tcp_sendpage(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c
index ad99569..3330a37 100644
--- a/net/ipv4/tcp_rate.c
+++ b/net/ipv4/tcp_rate.c
@@ -185,3 +185,4 @@ void tcp_rate_check_app_limited(struct sock *sk)
tp->app_limited =
(tp->delivered + tcp_packets_in_flight(tp)) ? : 1;
}
+EXPORT_SYMBOL_GPL(tcp_rate_check_app_limited);
--
2.9.3
