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Diffstat (limited to 'net/sctp/sysctl.c')
-rw-r--r--net/sctp/sysctl.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 55871b277f47..b46a416787ec 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -55,6 +55,8 @@ static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
void *buffer, size_t *lenp, loff_t *ppos);
static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
void *buffer, size_t *lenp, loff_t *ppos);
+static int proc_sctp_do_probe_interval(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
static struct ctl_table sctp_table[] = {
{
@@ -294,6 +296,13 @@ static struct ctl_table sctp_net_table[] = {
.proc_handler = proc_dointvec,
},
{
+ .procname = "plpmtud_probe_interval",
+ .data = &init_net.sctp.probe_interval,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_sctp_do_probe_interval,
+ },
+ {
.procname = "udp_port",
.data = &init_net.sctp.udp_port,
.maxlen = sizeof(int),
@@ -539,6 +548,32 @@ static int proc_sctp_do_udp_port(struct ctl_table *ctl, int write,
return ret;
}
+static int proc_sctp_do_probe_interval(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct net *net = current->nsproxy->net_ns;
+ struct ctl_table tbl;
+ int ret, new_value;
+
+ memset(&tbl, 0, sizeof(struct ctl_table));
+ tbl.maxlen = sizeof(unsigned int);
+
+ if (write)
+ tbl.data = &new_value;
+ else
+ tbl.data = &net->sctp.probe_interval;
+
+ ret = proc_dointvec(&tbl, write, buffer, lenp, ppos);
+ if (write && ret == 0) {
+ if (new_value && new_value < SCTP_PROBE_TIMER_MIN)
+ return -EINVAL;
+
+ net->sctp.probe_interval = new_value;
+ }
+
+ return ret;
+}
+
int sctp_sysctl_net_register(struct net *net)
{
struct ctl_table *table;