[PATCH net-next 6/9] tcp: switch internal pacing timer to CLOCK_TAI

[Eric Dumazet]

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 <eduma...@google.com>
---
 net/ipv4/tcp_output.c | 2 +-
 net/ipv4/tcp_timer.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 
957f7a0e21c06cae9f0d3bed57017bbc0a36c880..a87068fa9b1aa582310df6371966fd2d6461edb8
 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -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;
        do_div(len_ns, rate);
        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);
        sock_hold(sk);
 }
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 
61023d50cd604d5e19464a32c33b65d29c75c81e..4f661e178da8465203266ff4dfa3e8743e60ff82
 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -758,7 +758,7 @@ void tcp_init_xmit_timers(struct sock *sk)
 {
        inet_csk_init_xmit_timers(sk, &tcp_write_timer, &tcp_delack_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);
        tcp_sk(sk)->pacing_timer.function = tcp_pace_kick;
 
-- 
2.19.0.444.g18242da7ef-goog