summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_vegas.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/tcp_vegas.c')
-rw-r--r--net/ipv4/tcp_vegas.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 9bd443db5193..054de24efee2 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;
}