aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4/tcp_output.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 8e08b409c71e..f8f6129160dd 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -973,17 +973,6 @@ enum hrtimer_restart tcp_pace_kick(struct hrtimer *timer)
973 return HRTIMER_NORESTART; 973 return HRTIMER_NORESTART;
974} 974}
975 975
976/* BBR congestion control needs pacing.
977 * Same remark for SO_MAX_PACING_RATE.
978 * sch_fq packet scheduler is efficiently handling pacing,
979 * but is not always installed/used.
980 * Return true if TCP stack should pace packets itself.
981 */
982static bool tcp_needs_internal_pacing(const struct sock *sk)
983{
984 return smp_load_acquire(&sk->sk_pacing_status) == SK_PACING_NEEDED;
985}
986
987static void tcp_internal_pacing(struct sock *sk, const struct sk_buff *skb) 976static void tcp_internal_pacing(struct sock *sk, const struct sk_buff *skb)
988{ 977{
989 u64 len_ns; 978 u64 len_ns;
@@ -995,9 +984,6 @@ static void tcp_internal_pacing(struct sock *sk, const struct sk_buff *skb)
995 if (!rate || rate == ~0U) 984 if (!rate || rate == ~0U)
996 return; 985 return;
997 986
998 /* Should account for header sizes as sch_fq does,
999 * but lets make things simple.
1000 */
1001 len_ns = (u64)skb->len * NSEC_PER_SEC; 987 len_ns = (u64)skb->len * NSEC_PER_SEC;
1002 do_div(len_ns, rate); 988 do_div(len_ns, rate);
1003 hrtimer_start(&tcp_sk(sk)->pacing_timer, 989 hrtimer_start(&tcp_sk(sk)->pacing_timer,