diff options
Diffstat (limited to 'net/ipv4/tcp_vegas.h')
| -rw-r--r-- | net/ipv4/tcp_vegas.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/ipv4/tcp_vegas.h b/net/ipv4/tcp_vegas.h new file mode 100644 index 000000000..ef9da5306 --- /dev/null +++ b/net/ipv4/tcp_vegas.h @@ -0,0 +1,25 @@ +/* + * 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) */ +}; + +void tcp_vegas_init(struct sock *sk); +void tcp_vegas_state(struct sock *sk, u8 ca_state); +void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, s32 rtt_us); +void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event); +size_t tcp_vegas_get_info(struct sock *sk, u32 ext, int *attr, + union tcp_cc_info *info); + +#endif /* __TCP_VEGAS_H */ |