diff options
| -rw-r--r-- | Documentation/networking/ip-sysctl.rst | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst index b43222ee57cf..91b7d0a1c7fd 100644 --- a/Documentation/networking/ip-sysctl.rst +++ b/Documentation/networking/ip-sysctl.rst @@ -1099,7 +1099,7 @@ tcp_limit_output_bytes - INTEGER limits the number of bytes on qdisc or device to reduce artificial RTT/cwnd and reduce bufferbloat. - Default: 1048576 (16 * 65536) + Default: 4194304 (4 MB) tcp_challenge_ack_limit - INTEGER Limits number of Challenge ACK sent per second, as recommended diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index d5b5c32115d2..6a14f9e6fef6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -3495,8 +3495,8 @@ static int __net_init tcp_sk_init(struct net *net) * which are too large can cause TCP streams to be bursty. */ net->ipv4.sysctl_tcp_tso_win_divisor = 3; - /* Default TSQ limit of 16 TSO segments */ - net->ipv4.sysctl_tcp_limit_output_bytes = 16 * 65536; + /* Default TSQ limit of 4 MB */ + net->ipv4.sysctl_tcp_limit_output_bytes = 4 << 20; /* rfc5961 challenge ack rate limiting, per net-ns, disabled by default. */ net->ipv4.sysctl_tcp_challenge_ack_limit = INT_MAX; |