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| author | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
| commit | 02bbd06e489a9f56910973535152d3ec47f3fdcc (patch) | |
| tree | 93a9a4d687da4d423c92cc4a82001f3792c0b259 /net/ipv4/sysctl_net_ipv4.c | |
| parent | 34f6d2c9d12a97271d55c7b204443b2da9e6c29e (diff) | |
| parent | 3d0f8b944b0ab4ec79d8d0b93d8038971095337a (diff) | |
Merge branch 'android-4.4' of https://android.googlesource.com/kernel/common
* android-4.4: (475 commits)
android: base-cfg: Add CONFIG_IP_MULTICAST
android: recommended.cfg: enable taskstats
ANDROID: android: base-cfg: disable CONFIG_SYSVIPC
android: configs: base: enable configfs gadget functions
android: add CONFIG_DEBUG_RODATA to recommended config
android: configs: remove CONFIG_BATTERY_ANDROID=y
android: configs: base: enable IPV6
android: configs: Enable SELinux and its dependencies.
android: base-cfg: disable ALARM_DEV
android: base-cfg: turn off /dev/mem and /dev/kmem
android: base-cfg: enable ARMV8_DEPRECATED and subfeatures
android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN)
android: base-cfg: disable LOGGER
android: base-cfg: enable DM_VERITY (used for secureboot)
android: configs: add systrace support to recommended configs
android: configs: update 3.10 options
android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER
android: configs: add IPV6 ROUTE INFO
android: configs: add TIMER_STATS back, helps with sysrq t.
android: configs: Add HIDRAW to recommended set
...
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index a0bd7a55193e..b1784c897e6c 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -152,6 +152,21 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write, return ret; } +/* Validate changes from /proc interface. */ +static int proc_tcp_default_init_rwnd(struct ctl_table *ctl, int write, + void __user *buffer, + size_t *lenp, loff_t *ppos) +{ + int old_value = *(int *)ctl->data; + int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); + int new_value = *(int *)ctl->data; + + if (write && ret == 0 && (new_value < 3 || new_value > 100)) + *(int *)ctl->data = old_value; + + return ret; +} + static int proc_tcp_congestion_control(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -761,6 +776,13 @@ static struct ctl_table ipv4_table[] = { .proc_handler = proc_dointvec_ms_jiffies, }, { + .procname = "tcp_default_init_rwnd", + .data = &sysctl_tcp_default_init_rwnd, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_tcp_default_init_rwnd + }, + { .procname = "icmp_msgs_per_sec", .data = &sysctl_icmp_msgs_per_sec, .maxlen = sizeof(int), |