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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, s32 rtt_us); |
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 */ |
25 |
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