ipv6: Implement different admin modes for automatic flow labels

[cascardo/linux.git] / net / ipv6 / sysctl_net_ipv6.c

diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index db48aeb..45243bb 100644 (file)
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -17,6 +17,9 @@
 #include <net/inet_frag.h>
 
 static int one = 1;
+static int auto_flowlabels_min;
+static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
+
 
 static struct ctl_table ipv6_table_template[] = {
        {
@@ -45,7 +48,9 @@ static struct ctl_table ipv6_table_template[] = {
                .data           = &init_net.ipv6.sysctl.auto_flowlabels,
                .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = &auto_flowlabels_min,
+               .extra2         = &auto_flowlabels_max
        },
        {
                .procname       = "fwmark_reflect",