diff options
| author | Michal Tesar <mtesar@redhat.com> | 2013-07-19 14:09:01 +0200 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2014-05-19 07:53:48 +0200 |
| commit | b7c9e4ee1068391f547f3eaf0b6646115e300bb5 (patch) | |
| tree | b0246a0e4d8c997c71ce0a992d54a08496a35b8d /net | |
| parent | 8c46d377c799adb4c8dbfed9cd1156d228298ff9 (diff) | |
sysctl net: Keep tcp_syn_retries inside the boundary
[ Upstream commit 651e92716aaae60fc41b9652f54cb6803896e0da ]
Limit the min/max value passed to the
/proc/sys/net/ipv4/tcp_syn_retries.
Signed-off-by: Michal Tesar <mtesar@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 2dcf04d9b005..910fa546f820 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -23,6 +23,8 @@ static int zero; static int tcp_retr1_max = 255; +static int tcp_syn_retries_min = 1; +static int tcp_syn_retries_max = MAX_TCP_SYNCNT; static int ip_local_port_range_min[] = { 1, 1 }; static int ip_local_port_range_max[] = { 65535, 65535 }; @@ -237,7 +239,9 @@ static struct ctl_table ipv4_table[] = { .data = &ipv4_config.no_pmtu_disc, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &tcp_syn_retries_min, + .extra2 = &tcp_syn_retries_max }, { .ctl_name = NET_IPV4_NONLOCAL_BIND, |