projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7752237e SH |
1 | /* |
| 2 | * TCP Vegas congestion control interface | |
| 3 | */ | |
| 4 | #ifndef __TCP_VEGAS_H | |
| 5 | #define __TCP_VEGAS_H 1 | |
| 6 | ||
| 7 | /* Vegas variables */ | |
| 8 | struct vegas { | |
| 9 | u32 beg_snd_nxt; /* right edge during last RTT */ | |
| 10 | u32 beg_snd_una; /* left edge during last RTT */ | |
| 11 | u32 beg_snd_cwnd; /* saves the size of the cwnd */ | |
| 12 | u8 doing_vegas_now;/* if true, do vegas for this RTT */ | |
| 13 | u16 cntRTT; /* # of RTTs measured within last RTT */ | |
| 14 | u32 minRTT; /* min of RTTs measured within last RTT (in usec) */ | |
| 15 | u32 baseRTT; /* the min of all Vegas RTT measurements seen (in usec) */ | |
| 16 | }; | |
| 17 | ||
| 18 | extern void tcp_vegas_init(struct sock *sk); | |
| 19 | extern void tcp_vegas_state(struct sock *sk, u8 ca_state); | |
| 20 | extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last); | |
| 21 | extern void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event); | |
| 22 | extern void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb); | |
| 23 | ||
| 24 | #endif /* __TCP_VEGAS_H */ |