diff options
Diffstat (limited to 'net/ipv4/tcp_vegas.c')
| -rw-r--r-- | net/ipv4/tcp_vegas.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index 9bd443db519..054de24efee 100644 --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -82,9 +82,10 @@ struct vegas { * Instead we must wait until the completion of an RTT during * which we actually receive ACKs. */ -static inline void vegas_enable(struct tcp_sock *tp) +static inline void vegas_enable(struct sock *sk) { - struct vegas *vegas = tcp_ca(tp); + const struct tcp_sock *tp = tcp_sk(sk); + struct vegas *vegas = inet_csk_ca(sk); /* Begin taking Vegas samples next time we send something. */ vegas->doing_vegas_now = 1; @@ -97,19 +98,19 @@ static inline void vegas_enable(struct tcp_sock *tp) } /* Stop taking Vegas samples for now. */ -static inline void vegas_disable(struct tcp_sock *tp) +static inline void vegas_disable(struct sock *sk) { - struct vegas *vegas = tcp_ca(tp); + struct vegas *vegas = inet_csk_ca(sk); vegas->doing_vegas_now = 0; } -static void tcp_vegas_init(struct tcp_sock *tp) +static void tcp_vegas_init(struct sock *sk) { - struct vegas *vegas = tcp_ca(tp); + struct vegas *vegas = inet_csk_ca(sk); vegas->baseRTT = 0x7fffffff; - vegas_enable(tp); + vegas_enable(sk); } /* Do RTT sampling needed for Vegas. @@ -120,9 +121,9 @@ static void tcp_vegas_init(struct tcp_sock *tp) * o min-filter RTT samples from a much longer window (forever for now) * to find the propagation delay (baseRTT) */ -static void tcp_vegas_rtt_calc(struct tcp_sock *tp, u32 usrtt) +static void tcp_vegas_rtt_calc(struct sock *sk, u32 usrtt) { - struct vegas *vegas = tcp_ca(tp); + struct vegas *vegas = inet_csk_ca(sk); u32 vrtt = usrtt + 1; /* Never allow zero rtt or baseRTT */ /* Filter to find propagation delay: */ @@ -136,13 +137,13 @@ static void tcp_vegas_rtt_calc(struct tcp_sock *tp, u32 usrtt) vegas->cntRTT++; } -static void tcp_vegas_state(struct tcp_sock *tp, u8 ca_state) +static void tcp_vegas_state(struct sock *sk, u8 ca_state) { if (ca_state == TCP_CA_Open) - vegas_enable(tp); + vegas_enable(sk); else - vegas_disable(tp); + vegas_disable(sk); } /* @@ -154,20 +155,21 @@ static void tcp_vegas_state(struct tcp_sock *tp, u8 ca_state) * packets, _then_ we can make Vegas calculations * again. */ -static void tcp_vegas_cwnd_event(struct tcp_sock *tp, enum tcp_ca_event event) +static void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event) { if (event == CA_EVENT_CWND_RESTART || event == CA_EVENT_TX_START) - tcp_vegas_init(tp); + tcp_vegas_init(sk); } -static void tcp_vegas_cong_avoid(struct tcp_sock *tp, u32 ack, +static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 seq_rtt, u32 in_flight, int flag) { - struct vegas *vegas = tcp_ca(tp); + struct tcp_sock *tp = tcp_sk(sk); + struct vegas *vegas = inet_csk_ca(sk); if (!vegas->doing_vegas_now) - return tcp_reno_cong_avoid(tp, ack, seq_rtt, in_flight, flag); + return tcp_reno_cong_avoid(sk, ack, seq_rtt, in_flight, flag); /* The key players are v_beg_snd_una and v_beg_snd_nxt. * @@ -219,7 +221,7 @@ static void tcp_vegas_cong_avoid(struct tcp_sock *tp, u32 ack, * but that's not too awful, since we're taking the min, * rather than averaging. */ - tcp_vegas_rtt_calc(tp, seq_rtt*1000); + tcp_vegas_rtt_calc(sk, seq_rtt * 1000); /* We do the Vegas calculations only if we got enough RTT * samples that we can be reasonably sure that we got @@ -359,10 +361,10 @@ static void tcp_vegas_cong_avoid(struct tcp_sock *tp, u32 ack, } /* Extract info for Tcp socket info provided via netlink. */ -static void tcp_vegas_get_info(struct tcp_sock *tp, u32 ext, +static void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb) { - const struct vegas *ca = tcp_ca(tp); + const struct vegas *ca = inet_csk_ca(sk); if (ext & (1<<(TCPDIAG_VEGASINFO-1))) { struct tcpvegas_info *info; @@ -393,7 +395,7 @@ static struct tcp_congestion_ops tcp_vegas = { static int __init tcp_vegas_register(void) { - BUG_ON(sizeof(struct vegas) > TCP_CA_PRIV_SIZE); + BUG_ON(sizeof(struct vegas) > ICSK_CA_PRIV_SIZE); tcp_register_congestion_control(&tcp_vegas); return 0; } |