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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>
This commit is contained in:
Dave Watson 2017-06-14 11:37:26 -07:00 committed by David S. Miller
parent 734942cc4e
commit e3b5616a34
3 changed files with 6 additions and 2 deletions

View File

@ -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);

View File

@ -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)

View File

@ -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);