WLAN subsystem: Sysctl support for key TCP/IP parameters
It has been observed that default values for some of key tcp/ip
parameters are affecting the tput/performance of the system. Hence
extending configuration capabilities to TCP/Ip stack through
sysctl interface.
Change-Id: I0c99d5b50cbe0d6496e40d391eacc12b0c62dbed
CRs-Fixed: 507581
Signed-off-by: Mahesh A Saptasagar <msapta@codeaurora.org>
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 7a7724d..3171f7f 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -36,6 +36,10 @@
static int ip_ttl_max = 255;
static int ip_ping_group_range_min[] = { 0, 0 };
static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
+static int tcp_delack_seg_min = TCP_DELACK_MIN;
+static int tcp_delack_seg_max = 60;
+static int tcp_use_userconfig_min;
+static int tcp_use_userconfig_max = 1;
/* Update system visible IP port range */
static void set_local_port_range(int range[2])
@@ -699,6 +703,25 @@
.proc_handler = proc_dointvec_minmax,
.extra1 = &zero
},
+ {
+ .procname = "tcp_delack_seg",
+ .data = &sysctl_tcp_delack_seg,
+ .maxlen = sizeof(sysctl_tcp_delack_seg),
+ .mode = 0644,
+ .proc_handler = tcp_proc_delayed_ack_control,
+ .extra1 = &tcp_delack_seg_min,
+ .extra2 = &tcp_delack_seg_max,
+ },
+ {
+ .procname = "tcp_use_userconfig",
+ .data = &sysctl_tcp_use_userconfig,
+ .maxlen = sizeof(sysctl_tcp_use_userconfig),
+ .mode = 0644,
+ .proc_handler = tcp_use_userconfig_sysctl_handler,
+ .extra1 = &tcp_use_userconfig_min,
+ .extra2 = &tcp_use_userconfig_max,
+ },
+
{ }
};