diff options
| author |   Yuchung Cheng <ycheng@google.com> | 2018-05-16 16:40:16 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-05-17 15:41:29 -0400 |
| commit | b8fef65a8a76c2f887c56bf8e9684ff04e8d3b9f (patch) | |
| tree | c6126e6ae98c561fa0d1a77593c367d779737771 /net/ipv4/tcp_input.c | |
| parent | tcp: separate loss marking and state update on RTO (diff) | |
| download | linux-dev-b8fef65a8a76c2f887c56bf8e9684ff04e8d3b9f.tar.xz linux-dev-b8fef65a8a76c2f887c56bf8e9684ff04e8d3b9f.zip | |
tcp: new helper tcp_rack_skb_timeout
Create and export a new helper tcp_rack_skb_timeout and move tcp_is_rack
to prepare the final RTO change.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp_input.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 1ccc97b368c7..ba8a8e3464aa 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1917,6 +1917,11 @@ static inline void tcp_init_undo(struct tcp_sock *tp) tp->undo_retrans = tp->retrans_out ? : -1; } +static bool tcp_is_rack(const struct sock *sk) +{ + return sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_LOSS_DETECTION; +} + /* If we detect SACK reneging, forget all SACK information * and reset tags completely, otherwise preserve SACKs. If receiver * dropped its ofo queue, we will know this due to reneging detection. @@ -2031,11 +2036,6 @@ static inline int tcp_dupack_heuristics(const struct tcp_sock *tp) return tp->sacked_out + 1; } -static bool tcp_is_rack(const struct sock *sk) -{ - return sock_net(sk)->ipv4.sysctl_tcp_recovery & TCP_RACK_LOSS_DETECTION; -} - /* Linux NewReno/SACK/ECN state machine. * -------------------------------------- * |