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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>
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@ -350,6 +350,8 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
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int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
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int tcp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
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int flags);
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ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
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size_t size, int flags);
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void tcp_release_cb(struct sock *sk);
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void tcp_wfree(struct sk_buff *skb);
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void tcp_write_timer_handler(struct sock *sk);
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@ -901,8 +901,8 @@ static int tcp_send_mss(struct sock *sk, int *size_goal, int flags)
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return mss_now;
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}
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static ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
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size_t size, int flags)
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ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
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size_t size, int flags)
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{
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struct tcp_sock *tp = tcp_sk(sk);
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int mss_now, size_goal;
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@ -1032,6 +1032,7 @@ out_err:
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}
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return sk_stream_error(sk, flags, err);
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}
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EXPORT_SYMBOL_GPL(do_tcp_sendpages);
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int tcp_sendpage(struct sock *sk, struct page *page, int offset,
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size_t size, int flags)
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@ -185,3 +185,4 @@ void tcp_rate_check_app_limited(struct sock *sk)
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tp->app_limited =
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(tp->delivered + tcp_packets_in_flight(tp)) ? : 1;
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}
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EXPORT_SYMBOL_GPL(tcp_rate_check_app_limited);
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