diff options
| author | Eric Dumazet <[email protected]> | 2018-09-21 15:51:47 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2018-09-22 02:37:59 +0000 |
| commit | 2fd66ffba50716fc5ab481c48db643af3bda2276 (patch) | |
| tree | 0429f0bb89fa036d79e9b9d2105f89c0a3e38ca0 /net/ipv4/tcp_ipv4.c | |
| parent | tcp: switch tcp_clock_ns() to CLOCK_TAI base (diff) | |
| download | kernel-2fd66ffba50716fc5ab481c48db643af3bda2276.tar.gz kernel-2fd66ffba50716fc5ab481c48db643af3bda2276.zip | |
tcp: introduce tcp_skb_timestamp_us() helper
There are few places where TCP reads skb->skb_mstamp expecting
a value in usec unit.
skb->tstamp (aka skb->skb_mstamp) will soon store CLOCK_TAI nsec value.
Add tcp_skb_timestamp_us() to provide proper conversion when needed.
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 09547ef9c4c6..1f2496e8620d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -544,7 +544,7 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) BUG_ON(!skb); tcp_mstamp_refresh(tp); - delta_us = (u32)(tp->tcp_mstamp - skb->skb_mstamp); + delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb)); remaining = icsk->icsk_rto - usecs_to_jiffies(delta_us); |