tcp: introduce tcp_skb_timestamp_us() helper
commit2fd66ffba50716fc5ab481c48db643af3bda2276
authorEric Dumazet <edumazet@google.com>
Fri, 21 Sep 2018 15:51:47 +0000 (21 08:51 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 22 Sep 2018 02:37:59 +0000 (21 19:37 -0700)
tree0429f0bb89fa036d79e9b9d2105f89c0a3e38ca0
parent72b0094f918294e6cb8cf5c3b4520d928fbb1a57
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 <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tcp.h
net/ipv4/tcp_input.c
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_output.c
net/ipv4/tcp_rate.c
net/ipv4/tcp_recovery.c