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Diffstat (limited to 'net/ipv4/tcp_cong.c')
-rw-r--r--net/ipv4/tcp_cong.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index fc6d475..04dbd7a 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -6,6 +6,8 @@
* Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org>
*/
+#define pr_fmt(fmt) "TCP: " fmt
+
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
@@ -41,18 +43,17 @@ int tcp_register_congestion_control(struct tcp_congestion_ops *ca)
/* all algorithms must implement ssthresh and cong_avoid ops */
if (!ca->ssthresh || !ca->cong_avoid) {
- printk(KERN_ERR "TCP %s does not implement required ops\n",
- ca->name);
+ pr_err("%s does not implement required ops\n", ca->name);
return -EINVAL;
}
spin_lock(&tcp_cong_list_lock);
if (tcp_ca_find(ca->name)) {
- printk(KERN_NOTICE "TCP %s already registered\n", ca->name);
+ pr_notice("%s already registered\n", ca->name);
ret = -EEXIST;
} else {
list_add_tail_rcu(&ca->list, &tcp_cong_list);
- printk(KERN_INFO "TCP %s registered\n", ca->name);
+ pr_info("%s registered\n", ca->name);
}
spin_unlock(&tcp_cong_list_lock);
@@ -279,19 +280,19 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
/* RFC2861 Check whether we are limited by application or congestion window
* This is the inverse of cwnd check in tcp_tso_should_defer
*/
-int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
+bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
{
const struct tcp_sock *tp = tcp_sk(sk);
u32 left;
if (in_flight >= tp->snd_cwnd)
- return 1;
+ return true;
left = tp->snd_cwnd - in_flight;
if (sk_can_gso(sk) &&
left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd &&
left * tp->mss_cache < sk->sk_gso_max_size)
- return 1;
+ return true;
return left <= tcp_max_tso_deferred_mss(tp);
}
EXPORT_SYMBOL_GPL(tcp_is_cwnd_limited);
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