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Commit ad5ad69e authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

tcp_westwood: use tcp_jiffies32 instead of tcp_time_stamp 



This CC does not need 1 ms tcp_time_stamp and can use
the jiffy based 'timestamp'.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarSoheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 594208af

net/ipv4/tcp_westwood.c

+3 −3
Original line number Diff line number Diff line
@@ -68,7 +68,7 @@ static void tcp_westwood_init(struct sock *sk) 
	w->cumul_ack = 0;

	w->reset_rtt_min = 1;

	w->rtt_min = w->rtt = TCP_WESTWOOD_INIT_RTT;

	w->rtt_win_sx = tcp_time_stamp;

	w->rtt_win_sx = tcp_jiffies32;

	w->snd_una = tcp_sk(sk)->snd_una;

	w->first_ack = 1;

}
@@ -116,7 +116,7 @@ static void tcp_westwood_pkts_acked(struct sock *sk, 
static void westwood_update_window(struct sock *sk)

{

	struct westwood *w = inet_csk_ca(sk);

	s32 delta = tcp_time_stamp - w->rtt_win_sx;

	s32 delta = tcp_jiffies32 - w->rtt_win_sx;



	/* Initialize w->snd_una with the first acked sequence number in order

	 * to fix mismatch between tp->snd_una and w->snd_una for the first
@@ -140,7 +140,7 @@ static void westwood_update_window(struct sock *sk) 
		westwood_filter(w, delta);



		w->bk = 0;

		w->rtt_win_sx = tcp_time_stamp;

		w->rtt_win_sx = tcp_jiffies32;

	}

}