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tcp: rename tcp_skb_timestamp()

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This helper returns a 32bit TCP TSval from skb->tstamp.

As we are going to support usec or ms units soon, rename it
to tcp_skb_timestamp_ts() and add a boolean to select the unit.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2023-10-20 12:57:41 +00:00
committed by David S. Miller
parent 16cf647774
commit d1a02ed66f
4 changed files with 16 additions and 12 deletions
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4
net/ipv4/tcp_timer.c
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@@ -479,7 +479,7 @@ static bool tcp_rtx_probe0_timed_out(const struct sock *sk,
return false;
rtx_delta = (u32)msecs_to_jiffies(tcp_time_stamp(tp) -
(tp->retrans_stamp ?: tcp_skb_timestamp(skb)));
(tp->retrans_stamp ?: tcp_skb_timestamp_ts(false, skb)));
return rtx_delta > timeout;
}
@@ -534,7 +534,7 @@ void tcp_retransmit_timer(struct sock *sk)
struct inet_sock *inet = inet_sk(sk);
u32 rtx_delta;
rtx_delta = tcp_time_stamp(tp) - (tp->retrans_stamp ?: tcp_skb_timestamp(skb));
rtx_delta = tcp_time_stamp(tp) - (tp->retrans_stamp ?: tcp_skb_timestamp_ts(false, skb));
if (sk->sk_family == AF_INET) {
net_dbg_ratelimited("Probing zero-window on %pI4:%u/%u, seq=%u:%u, recv %ums ago, lasting %ums\n",
&inet->inet_daddr, ntohs(inet->inet_dport),