1/* 2 * TCP Vegas congestion control interface 3 */ 4#ifndef __TCP_VEGAS_H 5#define __TCP_VEGAS_H 1 6 7/* Vegas variables */ 8struct 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 18extern void tcp_vegas_init(struct sock *sk); 19extern void tcp_vegas_state(struct sock *sk, u8 ca_state); 20extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last); 21extern void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event); 22extern void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb); 23 24#endif /* __TCP_VEGAS_H */ 25