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authorDavid S. Miller <davem@davemloft.net>2013-12-18 16:42:06 -0500
committerDavid S. Miller <davem@davemloft.net>2013-12-18 16:42:06 -0500
commit143c9054949436cb05e468439dc5e46231f33d09 (patch)
treec2e972d8188fb1b36368e9acb5b6b59466c9d903 /net/sctp/sysctl.c
parent0b6807034791160d5e584138943d2daea765436d (diff)
parent35eecf052250f663f07a4cded7d3503fd1b50729 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/intel/i40e/i40e_main.c drivers/net/macvtap.c Both minor merge hassles, simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/sysctl.c')
-rw-r--r--net/sctp/sysctl.c76
1 files changed, 67 insertions, 9 deletions
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 80b17b5df6bb..9dd5ac084663 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -55,11 +55,16 @@ extern long sysctl_sctp_mem[3];
extern int sysctl_sctp_rmem[3];
extern int sysctl_sctp_wmem[3];
-static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
- int write,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos);
+static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos);
+static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp,
-
loff_t *ppos);
+
static struct ctl_table sctp_table[] = {
{
.procname = "sctp_mem",
@@ -101,17 +106,17 @@ static struct ctl_table sctp_net_table[] = {
.data = &init_net.sctp.rto_min,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = proc_sctp_do_rto_min,
.extra1 = &one,
- .extra2 = &timer_max
+ .extra2 = &init_net.sctp.rto_max
},
{
.procname = "rto_max",
.data = &init_net.sctp.rto_max,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
+ .proc_handler = proc_sctp_do_rto_max,
+ .extra1 = &init_net.sctp.rto_min,
.extra2 = &timer_max
},
{
@@ -293,8 +298,7 @@ static struct ctl_table sctp_net_table[] = {
{ /* sentinel */ }
};
-static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
- int write,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
@@ -341,6 +345,60 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
return ret;
}
+static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
+{
+ struct net *net = current->nsproxy->net_ns;
+ int new_value;
+ struct ctl_table tbl;
+ unsigned int min = *(unsigned int *) ctl->extra1;
+ unsigned int max = *(unsigned int *) ctl->extra2;
+ int ret;
+
+ memset(&tbl, 0, sizeof(struct ctl_table));
+ tbl.maxlen = sizeof(unsigned int);
+
+ if (write)
+ tbl.data = &new_value;
+ else
+ tbl.data = &net->sctp.rto_min;
+ ret = proc_dointvec(&tbl, write, buffer, lenp, ppos);
+ if (write) {
+ if (ret || new_value > max || new_value < min)
+ return -EINVAL;
+ net->sctp.rto_min = new_value;
+ }
+ return ret;
+}
+
+static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
+{
+ struct net *net = current->nsproxy->net_ns;
+ int new_value;
+ struct ctl_table tbl;
+ unsigned int min = *(unsigned int *) ctl->extra1;
+ unsigned int max = *(unsigned int *) ctl->extra2;
+ int ret;
+
+ memset(&tbl, 0, sizeof(struct ctl_table));
+ tbl.maxlen = sizeof(unsigned int);
+
+ if (write)
+ tbl.data = &new_value;
+ else
+ tbl.data = &net->sctp.rto_max;
+ ret = proc_dointvec(&tbl, write, buffer, lenp, ppos);
+ if (write) {
+ if (ret || new_value > max || new_value < min)
+ return -EINVAL;
+ net->sctp.rto_max = new_value;
+ }
+ return ret;
+}
+
int sctp_sysctl_net_register(struct net *net)
{
struct ctl_table *table;