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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-04-24 07:28:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 07:29:46 +0200 |
| commit | 7752237e9f07b316f81aebdc43f0d7c9a4ba0acf (patch) | |
| tree | 6ec702ab8a81b123947cfcfae4b10cea0c27dc15 /net/ipv4/tcp_vegas.h | |
| parent | [TCP]: Congestion control API update. (diff) | |
| download | linux-7752237e9f07b316f81aebdc43f0d7c9a4ba0acf.tar.xz linux-7752237e9f07b316f81aebdc43f0d7c9a4ba0acf.zip | |
[TCP] TCP YEAH: Use vegas dont copy it.
Rather than using a copy of vegas code, the YEAH code should just have
it exported so there is common code.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 000000000000..502fa8183634 --- /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 */ |