Commit 6cda8b74 authored Jan 17, 2019 by Eric Dumazet Committed by David S. Miller Jan 17, 2019

tcp: move app_limited init to tcp_disconnect()



If we make sure all listeners have app_limited set to ~0U,
then a clone will also inherit proper initial value.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5c701549

net/ipv4/tcp.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2609,6 +2609,9 @@ int tcp_disconnect(struct sock *sk, int flags)
		tp->sacked_out = 0;
		tp->tlp_high_seq = 0;
		tp->last_oow_ack_time = 0;
		/* There's a bubble in the pipe until at least the first ACK. */
		tp->app_limited = ~0U;


		/* Clean up fastopen related fields */
		tcp_free_fastopen_req(tp);

net/ipv4/tcp_minisocks.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -486,9 +486,6 @@ struct sock tcp_create_openreq_child(const struct sock sk,
		newsk->sk_txhash = treq->txhash;
		newtp->total_retrans = req->num_retrans;

		/* There's a bubble in the pipe until at least the first ACK. */
		newtp->app_limited = ~0U;

		tcp_init_xmit_timers(newsk);
		newtp->write_seq = newtp->pushed_seq = treq->snt_isn + 1;