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tcp: use tcp_jiffies32 to feed probe_timestamp 

Use tcp_jiffies32 instead of tcp_time_stamp, since
tcp_time_stamp will soon be only used for 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 14:00:08 -07:00 committed by David S. Miller
parent 70eabf0e1b
commit c74df29a8d
2 changed files with 4 additions and 4 deletions
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6
net/ipv4/tcp_output.c
View File

@ -1475,7 +1475,7 @@ void tcp_mtup_init(struct sock *sk)
icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, net->ipv4.sysctl_tcp_base_mss);
icsk->icsk_mtup.probe_size = 0;
if (icsk->icsk_mtup.enabled)
icsk->icsk_mtup.probe_timestamp = tcp_time_stamp;
icsk->icsk_mtup.probe_timestamp = tcp_jiffies32;
}
EXPORT_SYMBOL(tcp_mtup_init);
@ -1987,7 +1987,7 @@ static inline void tcp_mtu_check_reprobe(struct sock *sk)
s32 delta;
interval = net->ipv4.sysctl_tcp_probe_interval;
delta = tcp_time_stamp - icsk->icsk_mtup.probe_timestamp;
delta = tcp_jiffies32 - icsk->icsk_mtup.probe_timestamp;
if (unlikely(delta >= interval * HZ)) {
int mss = tcp_current_mss(sk);
@ -1999,7 +1999,7 @@ static inline void tcp_mtu_check_reprobe(struct sock *sk)
icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss);
/* Update probe time stamp */
icsk->icsk_mtup.probe_timestamp = tcp_time_stamp;
icsk->icsk_mtup.probe_timestamp = tcp_jiffies32;
}
}

2
net/ipv4/tcp_timer.c
View File

@ -115,7 +115,7 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
if (net->ipv4.sysctl_tcp_mtu_probing) {
if (!icsk->icsk_mtup.enabled) {
icsk->icsk_mtup.enabled = 1;
icsk->icsk_mtup.probe_timestamp = tcp_time_stamp;
icsk->icsk_mtup.probe_timestamp = tcp_jiffies32;
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
} else {
struct net *net = sock_net(sk);