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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2007-08-09 14:37:30 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:47:56 -0700 |
| commit | 83ae40885f33e406c87c86b0bd4b6fd31a741f12 (patch) | |
| tree | 659de08c231db85ec46f0c3bc1b86252a6561e21 /include/net/tcp.h | |
| parent | b5860bbac7be1381626f3dc8a0cb970a60fcefb4 (diff) | |
| download | linux-83ae40885f33e406c87c86b0bd4b6fd31a741f12.tar.gz linux-83ae40885f33e406c87c86b0bd4b6fd31a741f12.tar.bz2 linux-83ae40885f33e406c87c86b0bd4b6fd31a741f12.zip | |
[TCP]: Add tcp_left_out(tp) "back" to get cleaner looking lines
tp->left_out got removed but nothing came to replace it back
then (users just did addition by themselves), so add function
for users now.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 299872d461c7..39d0df6afe47 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -719,6 +719,11 @@ static inline void tcp_ca_event(struct sock *sk, const enum tcp_ca_event event) icsk->icsk_ca_ops->cwnd_event(sk, event); } +static inline unsigned int tcp_left_out(const struct tcp_sock *tp) +{ + return tp->sacked_out + tp->lost_out; +} + /* This determines how many packets are "in the network" to the best * of our knowledge. In many cases it is conservative, but where * detailed information is available from the receiver (via SACK @@ -735,8 +740,7 @@ static inline void tcp_ca_event(struct sock *sk, const enum tcp_ca_event event) */ static inline unsigned int tcp_packets_in_flight(const struct tcp_sock *tp) { - return tp->packets_out - (tp->sacked_out + tp->lost_out) + - tp->retrans_out; + return tp->packets_out - tcp_left_out(tp) + tp->retrans_out; } /* If cwnd > ssthresh, we may raise ssthresh to be half-way to cwnd. @@ -756,8 +760,7 @@ static inline __u32 tcp_current_ssthresh(const struct sock *sk) static inline void tcp_sync_left_out(struct tcp_sock *tp) { - BUG_ON(tp->rx_opt.sack_ok && - (tp->sacked_out + tp->lost_out > tp->packets_out)); + BUG_ON(tp->rx_opt.sack_ok && (tcp_left_out(tp) > tp->packets_out)); } extern void tcp_enter_cwr(struct sock *sk, const int set_ssthresh); |