[IPV6] SNMP: Netlink interface.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 32 insertions, 0 deletions

diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index fa3fb509f187..0dc551501519 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -207,6 +207,31 @@ static const struct file_operations snmp6_seq_fops = {
         .release = single_release,
 };
 
+static inline void
+__snmp6_fill_stats(u64 *stats, void **mib, int items, int bytes)
+{
+        int i;
+        int pad = bytes - sizeof(u64) * items;
+        BUG_ON(pad < 0);
+        stats[0] = items;
+        for (i = 1; i < items; i++)
+                stats[i] = (u64)fold_field(mib, i);
+        memset(&stats[items], 0, pad);
+}
+
+void
+snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype, int bytes)
+{
+        switch(attrtype) {
+        case IFLA_INET6_STATS:
+                __snmp6_fill_stats(stats, (void **)idev->stats.ipv6, IPSTATS_MIB_MAX, bytes);
+                break;
+        case IFLA_INET6_ICMP6STATS:
+                __snmp6_fill_stats(stats, (void **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes);
+                break;
+        }
+}
+
 int snmp6_register_dev(struct inet6_dev *idev)
 {
         struct proc_dir_entry *p;
@@ -283,6 +308,13 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
 {
         return 0;
 }
+
+void
+snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype, int bytes)
+{
+        memset(stats, 0, sizeof(bytes));
+}
+
 #endif  /* CONFIG_PROC_FS */
 
 int snmp6_alloc_dev(struct inet6_dev *idev)