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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2007-12-02 00:47:59 +0200
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:55:41 -0800
commitc3a05c6050a339c92e49fae0ba77dbba0d41fd99 (patch)
tree4bc4e003d522cc748aceb7478f86c043e382ad8e /net
parentede9f3b186bc3eb0fce084bdcab500efc3721a80 (diff)
downloadop-kernel-dev-c3a05c6050a339c92e49fae0ba77dbba0d41fd99.zip
op-kernel-dev-c3a05c6050a339c92e49fae0ba77dbba0d41fd99.tar.gz
[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_bic.c3
-rw-r--r--net/ipv4/tcp_cong.c2
-rw-r--r--net/ipv4/tcp_cubic.c3
-rw-r--r--net/ipv4/tcp_highspeed.c3
-rw-r--r--net/ipv4/tcp_htcp.c3
-rw-r--r--net/ipv4/tcp_hybla.c5
-rw-r--r--net/ipv4/tcp_illinois.c3
-rw-r--r--net/ipv4/tcp_input.c9
-rw-r--r--net/ipv4/tcp_lp.c4
-rw-r--r--net/ipv4/tcp_scalable.c3
-rw-r--r--net/ipv4/tcp_vegas.c7
-rw-r--r--net/ipv4/tcp_veno.c7
-rw-r--r--net/ipv4/tcp_yeah.c3
13 files changed, 22 insertions, 33 deletions
diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c
index 5dba0fc..5212ed9 100644
--- a/net/ipv4/tcp_bic.c
+++ b/net/ipv4/tcp_bic.c
@@ -136,8 +136,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
ca->cnt = 1;
}
-static void bictcp_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int data_acked)
+static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct bictcp *ca = inet_csk_ca(sk);
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 55fca18..4451750 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -324,7 +324,7 @@ EXPORT_SYMBOL_GPL(tcp_slow_start);
/* This is Jacobson's slow start and congestion avoidance.
* SIGCOMM '88, p. 328.
*/
-void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight, int flag)
+void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index 80bd084..3aa0b23 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -246,8 +246,7 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
ca->cnt = 1;
}
-static void bictcp_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int data_acked)
+static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct bictcp *ca = inet_csk_ca(sk);
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c
index 14a073d..8b6caaf 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -109,8 +109,7 @@ static void hstcp_init(struct sock *sk)
tp->snd_cwnd_clamp = min_t(u32, tp->snd_cwnd_clamp, 0xffffffff/128);
}
-static void hstcp_cong_avoid(struct sock *sk, u32 adk,
- u32 in_flight, int data_acked)
+static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct hstcp *ca = inet_csk_ca(sk);
diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 5215691..af99776 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -225,8 +225,7 @@ static u32 htcp_recalc_ssthresh(struct sock *sk)
return max((tp->snd_cwnd * ca->beta) >> 7, 2U);
}
-static void htcp_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int data_acked)
+static void htcp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct htcp *ca = inet_csk_ca(sk);
diff --git a/net/ipv4/tcp_hybla.c b/net/ipv4/tcp_hybla.c
index b3e55cf..44618b6 100644
--- a/net/ipv4/tcp_hybla.c
+++ b/net/ipv4/tcp_hybla.c
@@ -85,8 +85,7 @@ static inline u32 hybla_fraction(u32 odds)
* o Give cwnd a new value based on the model proposed
* o remember increments <1
*/
-static void hybla_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct hybla *ca = inet_csk_ca(sk);
@@ -103,7 +102,7 @@ static void hybla_cong_avoid(struct sock *sk, u32 ack,
return;
if (!ca->hybla_en)
- return tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ return tcp_reno_cong_avoid(sk, ack, in_flight);
if (ca->rho == 0)
hybla_recalc_param(sk);
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
index 5aa5f54..1eba160 100644
--- a/net/ipv4/tcp_illinois.c
+++ b/net/ipv4/tcp_illinois.c
@@ -256,8 +256,7 @@ static void tcp_illinois_state(struct sock *sk, u8 new_state)
/*
* Increase window in response to successful acknowledgment.
*/
-static void tcp_illinois_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void tcp_illinois_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct illinois *ca = inet_csk_ca(sk);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d313dea..cb44118 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2710,11 +2710,10 @@ static inline void tcp_ack_update_rtt(struct sock *sk, const int flag,
tcp_ack_no_tstamp(sk, seq_rtt, flag);
}
-static void tcp_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int good)
+static void tcp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
const struct inet_connection_sock *icsk = inet_csk(sk);
- icsk->icsk_ca_ops->cong_avoid(sk, ack, in_flight, good);
+ icsk->icsk_ca_ops->cong_avoid(sk, ack, in_flight);
tcp_sk(sk)->snd_cwnd_stamp = tcp_time_stamp;
}
@@ -3238,11 +3237,11 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
/* Advance CWND, if state allows this. */
if ((flag & FLAG_DATA_ACKED) && !frto_cwnd &&
tcp_may_raise_cwnd(sk, flag))
- tcp_cong_avoid(sk, ack, prior_in_flight, 0);
+ tcp_cong_avoid(sk, ack, prior_in_flight);
tcp_fastretrans_alert(sk, prior_packets - tp->packets_out, flag);
} else {
if ((flag & FLAG_DATA_ACKED) && !frto_cwnd)
- tcp_cong_avoid(sk, ack, prior_in_flight, 1);
+ tcp_cong_avoid(sk, ack, prior_in_flight);
}
if ((flag & FLAG_FORWARD_PROGRESS) || !(flag&FLAG_NOT_DUP))
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index e7f5ef9..ce3c41f 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -115,12 +115,12 @@ static void tcp_lp_init(struct sock *sk)
* Will only call newReno CA when away from inference.
* From TCP-LP's paper, this will be handled in additive increasement.
*/
-static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight, int flag)
+static void tcp_lp_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct lp *lp = inet_csk_ca(sk);
if (!(lp->flag & LP_WITHIN_INF))
- tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ tcp_reno_cong_avoid(sk, ack, in_flight);
}
/**
diff --git a/net/ipv4/tcp_scalable.c b/net/ipv4/tcp_scalable.c
index be27a33..2747ec7 100644
--- a/net/ipv4/tcp_scalable.c
+++ b/net/ipv4/tcp_scalable.c
@@ -15,8 +15,7 @@
#define TCP_SCALABLE_AI_CNT 50U
#define TCP_SCALABLE_MD_SCALE 3
-static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 007304e..be24d6e 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -162,14 +162,13 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
}
EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
-static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct vegas *vegas = inet_csk_ca(sk);
if (!vegas->doing_vegas_now)
- return tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ return tcp_reno_cong_avoid(sk, ack, in_flight);
/* The key players are v_beg_snd_una and v_beg_snd_nxt.
*
@@ -228,7 +227,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack,
/* We don't have enough RTT samples to do the Vegas
* calculation, so we'll behave like Reno.
*/
- tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ tcp_reno_cong_avoid(sk, ack, in_flight);
} else {
u32 rtt, target_cwnd, diff;
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 8fb2aee..d16689e 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -114,14 +114,13 @@ static void tcp_veno_cwnd_event(struct sock *sk, enum tcp_ca_event event)
tcp_veno_init(sk);
}
-static void tcp_veno_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void tcp_veno_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct veno *veno = inet_csk_ca(sk);
if (!veno->doing_veno_now)
- return tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ return tcp_reno_cong_avoid(sk, ack, in_flight);
/* limited by applications */
if (!tcp_is_cwnd_limited(sk, in_flight))
@@ -132,7 +131,7 @@ static void tcp_veno_cong_avoid(struct sock *sk, u32 ack,
/* We don't have enough rtt samples to do the Veno
* calculation, so we'll behave like Reno.
*/
- tcp_reno_cong_avoid(sk, ack, in_flight, flag);
+ tcp_reno_cong_avoid(sk, ack, in_flight);
} else {
u32 rtt, target_cwnd;
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index c107fba7..e03b101 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -69,8 +69,7 @@ static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked, s32 rtt_us)
tcp_vegas_pkts_acked(sk, pkts_acked, rtt_us);
}
-static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack,
- u32 in_flight, int flag)
+static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
struct yeah *yeah = inet_csk_ca(sk);
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