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-rw-r--r--net/ipv6/sysctl_net_ipv6.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 262f791f1b9b..966c42af92f4 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -16,14 +16,31 @@
#include <net/ipv6.h>
#include <net/addrconf.h>
#include <net/inet_frag.h>
+#include <net/netevent.h>
#ifdef CONFIG_NETLABEL
#include <net/calipso.h>
#endif
+static int zero;
static int one = 1;
static int auto_flowlabels_min;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
+static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
+{
+ struct net *net;
+ int ret;
+
+ net = container_of(table->data, struct net,
+ ipv6.sysctl.multipath_hash_policy);
+ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ if (write && ret == 0)
+ call_netevent_notifiers(NETEVENT_IPV6_MPATH_HASH_UPDATE, net);
+
+ return ret;
+}
static struct ctl_table ipv6_table_template[] = {
{
@@ -126,6 +143,15 @@ static struct ctl_table ipv6_table_template[] = {
.mode = 0644,
.proc_handler = proc_dointvec
},
+ {
+ .procname = "fib_multipath_hash_policy",
+ .data = &init_net.ipv6.sysctl.multipath_hash_policy,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_rt6_multipath_hash_policy,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
{ }
};
@@ -190,6 +216,7 @@ static int __net_init ipv6_sysctl_net_init(struct net *net)
ipv6_table[11].data = &net->ipv6.sysctl.max_hbh_opts_cnt;
ipv6_table[12].data = &net->ipv6.sysctl.max_dst_opts_len;
ipv6_table[13].data = &net->ipv6.sysctl.max_hbh_opts_len;
+ ipv6_table[14].data = &net->ipv6.sysctl.multipath_hash_policy,
ipv6_route_table = ipv6_route_sysctl_init(net);
if (!ipv6_route_table)