From ad5ad69e6b48a7e5cc0391cc57c9e8a93a0c969c Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 16 May 2017 14:00:11 -0700 Subject: [PATCH] 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: Eric Dumazet Acked-by: Soheil Hassas Yeganeh Signed-off-by: David S. Miller --- net/ipv4/tcp_westwood.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c index 9775453b8d17..bec9cafbe3f9 100644 --- a/net/ipv4/tcp_westwood.c +++ b/net/ipv4/tcp_westwood.c @@ -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; } } -- 2.20.1