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tcp: replace misc tcp_time_stamp to tcp_jiffies32

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After this patch, all uses of tcp_time_stamp will require
a change when we introduce 1 ms and/or 1 us TCP TS option.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-05-16 14:00:13 -07:00 committed by David S. Miller
parent 46bf466f08
commit ac9517fcf3
5 changed files with 6 additions and 6 deletions
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2
net/ipv4/tcp.c
View File

@ -386,7 +386,7 @@ void tcp_init_sock(struct sock *sk)
icsk->icsk_rto = TCP_TIMEOUT_INIT;
tp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
minmax_reset(&tp->rtt_min, tcp_time_stamp, ~0U);
minmax_reset(&tp->rtt_min, tcp_jiffies32, ~0U);
/* So many TCP implementations out there (incorrectly) count the
* initial SYN frame in their delayed-ACK and congestion control

2
net/ipv4/tcp_htcp.c
View File

@ -104,7 +104,7 @@ static void measure_achieved_throughput(struct sock *sk,
const struct inet_connection_sock *icsk = inet_csk(sk);
const struct tcp_sock *tp = tcp_sk(sk);
struct htcp *ca = inet_csk_ca(sk);
u32 now = tcp_time_stamp;
u32 now = tcp_jiffies32;
if (icsk->icsk_ca_state == TCP_CA_Open)
ca->pkts_acked = sample->pkts_acked;

2
net/ipv4/tcp_input.c
View File

@ -2911,7 +2911,7 @@ static void tcp_update_rtt_min(struct sock *sk, u32 rtt_us)
struct tcp_sock *tp = tcp_sk(sk);
u32 wlen = sysctl_tcp_min_rtt_wlen * HZ;
minmax_running_min(&tp->rtt_min, wlen, tcp_time_stamp,
minmax_running_min(&tp->rtt_min, wlen, tcp_jiffies32,
rtt_us ? : jiffies_to_usecs(1));
}

2
net/ipv4/tcp_minisocks.c
View File

@ -445,7 +445,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk,
newtp->srtt_us = 0;
newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT);
minmax_reset(&newtp->rtt_min, tcp_time_stamp, ~0U);
minmax_reset(&newtp->rtt_min, tcp_jiffies32, ~0U);
newicsk->icsk_rto = TCP_TIMEOUT_INIT;
newicsk->icsk_ack.lrcvtime = tcp_jiffies32;

4
net/ipv4/tcp_output.c
View File

@ -2418,10 +2418,10 @@ bool tcp_schedule_loss_probe(struct sock *sk)
timeout = max_t(u32, timeout, msecs_to_jiffies(10));
/* If RTO is shorter, just schedule TLP in its place. */
tlp_time_stamp = tcp_time_stamp + timeout;
tlp_time_stamp = tcp_jiffies32 + timeout;
rto_time_stamp = (u32)inet_csk(sk)->icsk_timeout;
if ((s32)(tlp_time_stamp - rto_time_stamp) > 0) {
s32 delta = rto_time_stamp - tcp_time_stamp;
s32 delta = rto_time_stamp - tcp_jiffies32;
if (delta > 0)
timeout = delta;
}