batman-adv: Provide TTVN in the mesh_info netlink msg

The TTVN is the main information for the debugging of translation table
problems. It is therefore necessary when comparing the global translation
tables.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>

diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 14360ec16513673fd7378710f7cef84762b8a70a..0c0d20bb92cee1763a9491fd28379450935ba5de 100644 (file)
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -18,6 +18,7 @@
 #include "netlink.h"
 #include "main.h"
 
+#include <linux/atomic.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
 #include <linux/genetlink.h>
@@ -121,7 +122,9 @@ batadv_netlink_mesh_info_put(struct sk_buff *msg, struct net_device *soft_iface)
            nla_put_u32(msg, BATADV_ATTR_MESH_IFINDEX, soft_iface->ifindex) ||
            nla_put_string(msg, BATADV_ATTR_MESH_IFNAME, soft_iface->name) ||
            nla_put(msg, BATADV_ATTR_MESH_ADDRESS, ETH_ALEN,
-                   soft_iface->dev_addr))
+                   soft_iface->dev_addr) ||
+           nla_put_u8(msg, BATADV_ATTR_TT_TTVN,
+                      (u8)atomic_read(&bat_priv->tt.vn)))
                goto out;
 
        primary_if = batadv_primary_if_get_selected(bat_priv);