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tcp: switch internal pacing timer to CLOCK_TAI

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Next patch will use tcp_wstamp_ns to feed internal
TCP pacing timer, so switch to CLOCK_TAI to share same base.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2018-09-21 08:51:51 -07:00 committed by David S. Miller
parent d3edd06ea8
commit fd2bca2aa7
2 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
net/ipv4/tcp_output.c
View file

@ -1007,7 +1007,7 @@ static void tcp_internal_pacing(struct sock *sk, const struct sk_buff *skb)
len_ns = (u64)skb->len * NSEC_PER_SEC; len_ns = (u64)skb->len * NSEC_PER_SEC;
do_div(len_ns, rate); do_div(len_ns, rate);
hrtimer_start(&tcp_sk(sk)->pacing_timer, hrtimer_start(&tcp_sk(sk)->pacing_timer,
ktime_add_ns(ktime_get(), len_ns), ktime_add_ns(ktime_get_tai_ns(), len_ns),
HRTIMER_MODE_ABS_PINNED_SOFT); HRTIMER_MODE_ABS_PINNED_SOFT);
sock_hold(sk); sock_hold(sk);
} }

2
net/ipv4/tcp_timer.c
View file

@ -758,7 +758,7 @@ void tcp_init_xmit_timers(struct sock *sk)
{ {
inet_csk_init_xmit_timers(sk, &tcp_write_timer, &tcp_delack_timer, inet_csk_init_xmit_timers(sk, &tcp_write_timer, &tcp_delack_timer,
&tcp_keepalive_timer); &tcp_keepalive_timer);
hrtimer_init(&tcp_sk(sk)->pacing_timer, CLOCK_MONOTONIC, hrtimer_init(&tcp_sk(sk)->pacing_timer, CLOCK_TAI,
HRTIMER_MODE_ABS_PINNED_SOFT); HRTIMER_MODE_ABS_PINNED_SOFT);
tcp_sk(sk)->pacing_timer.function = tcp_pace_kick; tcp_sk(sk)->pacing_timer.function = tcp_pace_kick;