diff options
| -rw-r--r-- | include/net/netns/ipv4.h | 1 | ||||
| -rw-r--r-- | include/net/tcp.h | 4 | ||||
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 14 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 1 | ||||
| -rw-r--r-- | net/ipv4/tcp_output.c | 3 |
5 files changed, 11 insertions, 12 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index de5ff4385e84..4d6ec3f6fafe 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -106,6 +106,7 @@ struct netns_ipv4 { int sysctl_tcp_retries2; int sysctl_tcp_orphan_retries; int sysctl_tcp_fin_timeout; + unsigned int sysctl_tcp_notsent_lowat; struct ping_group_range ping_group_range; diff --git a/include/net/tcp.h b/include/net/tcp.h index 3f160c2e6960..9b2cb0c8d876 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -267,7 +267,6 @@ extern int sysctl_tcp_thin_dupack; extern int sysctl_tcp_early_retrans; extern int sysctl_tcp_limit_output_bytes; extern int sysctl_tcp_challenge_ack_limit; -extern unsigned int sysctl_tcp_notsent_lowat; extern int sysctl_tcp_min_tso_segs; extern int sysctl_tcp_min_rtt_wlen; extern int sysctl_tcp_autocorking; @@ -1682,7 +1681,8 @@ void __tcp_v4_send_check(struct sk_buff *skb, __be32 saddr, __be32 daddr); static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp) { - return tp->notsent_lowat ?: sysctl_tcp_notsent_lowat; + struct net *net = sock_net((struct sock *)tp); + return tp->notsent_lowat ?: net->ipv4.sysctl_tcp_notsent_lowat; } static inline bool tcp_stream_memory_free(const struct sock *sk) diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 8bd335a2cba8..44bb59824267 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -456,13 +456,6 @@ static struct ctl_table ipv4_table[] = { .extra1 = &one, }, { - .procname = "tcp_notsent_lowat", - .data = &sysctl_tcp_notsent_lowat, - .maxlen = sizeof(sysctl_tcp_notsent_lowat), - .mode = 0644, - .proc_handler = proc_dointvec, - }, - { .procname = "tcp_rmem", .data = &sysctl_tcp_rmem, .maxlen = sizeof(sysctl_tcp_rmem), @@ -960,6 +953,13 @@ static struct ctl_table ipv4_net_table[] = { .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, + { + .procname = "tcp_notsent_lowat", + .data = &init_net.ipv4.sysctl_tcp_notsent_lowat, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, { } }; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 36c83c28d9c9..11ae706f53a1 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2395,6 +2395,7 @@ static int __net_init tcp_sk_init(struct net *net) net->ipv4.sysctl_tcp_retries2 = TCP_RETR2; net->ipv4.sysctl_tcp_orphan_retries = 0; net->ipv4.sysctl_tcp_fin_timeout = TCP_FIN_TIMEOUT; + net->ipv4.sysctl_tcp_notsent_lowat = UINT_MAX; return 0; fail: diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 7beb3f688b7a..7d2c7a400456 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -62,9 +62,6 @@ int sysctl_tcp_tso_win_divisor __read_mostly = 3; /* By default, RFC2861 behavior. */ int sysctl_tcp_slow_start_after_idle __read_mostly = 1; -unsigned int sysctl_tcp_notsent_lowat __read_mostly = UINT_MAX; -EXPORT_SYMBOL(sysctl_tcp_notsent_lowat); - static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, int push_one, gfp_t gfp); |