tcp_vegas.h

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/*
 * 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, s32 rtt_us);
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 */