diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
| commit | 49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch) | |
| tree | 253801ebf57e0a23856a2c7be129c2c178f62fdf /net/ipv4/tcp_vegas.h | |
| parent | 34f6d749c0a328817d5e36274e53121c1db734dc (diff) | |
| parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) | |
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'net/ipv4/tcp_vegas.h')
| -rw-r--r-- | net/ipv4/tcp_vegas.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/ipv4/tcp_vegas.h b/net/ipv4/tcp_vegas.h new file mode 100644 index 00000000000..502fa818363 --- /dev/null +++ b/net/ipv4/tcp_vegas.h @@ -0,0 +1,24 @@ +/* + * TCP Vegas congestion control interface + */ +#ifndef __TCP_VEGAS_H +#define __TCP_VEGAS_H 1 + +/* Vegas variables */ +struct vegas { + u32 beg_snd_nxt; /* right edge during last RTT */ + u32 beg_snd_una; /* left edge during last RTT */ + u32 beg_snd_cwnd; /* saves the size of the cwnd */ + u8 doing_vegas_now;/* if true, do vegas for this RTT */ + u16 cntRTT; /* # of RTTs measured within last RTT */ + u32 minRTT; /* min of RTTs measured within last RTT (in usec) */ + u32 baseRTT; /* the min of all Vegas RTT measurements seen (in usec) */ +}; + +extern void tcp_vegas_init(struct sock *sk); +extern void tcp_vegas_state(struct sock *sk, u8 ca_state); +extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last); +extern void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event); +extern void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb); + +#endif /* __TCP_VEGAS_H */ |