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| author | Eric Dumazet <edumazet@google.com> | 2014-09-05 15:33:33 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-05 17:49:33 -0700 |
| commit | 7faee5c0d514162853a343d93e4a0b6bb8bfec21 (patch) | |
| tree | ebaba03f755dfbe9d942fbe610ce3aecd1b0fc33 /net/ipv4/tcp_input.c | |
| parent | 04317dafd11dd7b0ec19b85f098414abae6ed5f7 (diff) | |
| download | lwn-7faee5c0d514162853a343d93e4a0b6bb8bfec21.tar.gz lwn-7faee5c0d514162853a343d93e4a0b6bb8bfec21.zip | |
tcp: remove TCP_SKB_CB(skb)->when
After commit 740b0f1841f6 ("tcp: switch rtt estimations to usec resolution"),
we no longer need to maintain timestamps in two different fields.
TCP_SKB_CB(skb)->when can be removed, as same information sits in skb_mstamp.stamp_jiffies
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9c8b9f1dcf69..f97003ad0af5 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2967,7 +2967,8 @@ void tcp_rearm_rto(struct sock *sk) if (icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS || icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) { struct sk_buff *skb = tcp_write_queue_head(sk); - const u32 rto_time_stamp = TCP_SKB_CB(skb)->when + rto; + const u32 rto_time_stamp = + tcp_skb_timestamp(skb) + rto; s32 delta = (s32)(rto_time_stamp - tcp_time_stamp); /* delta may not be positive if the socket is locked * when the retrans timer fires and is rescheduled. |