From e3b5616a347603a521fe3ac46f3194a60900e3a7 Mon Sep 17 00:00:00 2001
From: Dave Watson <davejwatson@fb.com>
Date: Wed, 14 Jun 2017 11:37:26 -0700
Subject: tcp: export do_tcp_sendpages and tcp_rate_check_app_limited functions
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@mellanox.com>
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/tcp.c | 5 +++--
net/ipv4/tcp_rate.c | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
(limited to 'net')
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b06ee3086a0e..11e4ee281aa0 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 @@ out_err:
}
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 ad99569d4c1e..3330a370d306 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);
--
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