batman-adv: Provide bla group in the mesh_info netlink msg

The bridge loop avoidange is the main information for the debugging of of
bridge loop detection problems. It is therefore necessary when comparing
the bla claim 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 b33675cbaecfe3d7330214131837b89b49639964..464de9d05135e2a3f4749a09b3b5f255cb5aa2fd 100644 (file)
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -19,6 +19,7 @@
 #include "main.h"
 
 #include <linux/atomic.h>
+#include <linux/byteorder/generic.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
 #include <linux/genetlink.h>
@@ -42,6 +43,7 @@
 #include "gateway_client.h"
 #include "hard-interface.h"
 #include "originator.h"
+#include "packet.h"
 #include "soft-interface.h"
 #include "tp_meter.h"
 #include "translation-table.h"
@@ -141,6 +143,12 @@ batadv_netlink_mesh_info_put(struct sk_buff *msg, struct net_device *soft_iface)
                       (u8)atomic_read(&bat_priv->tt.vn)))
                goto out;
 
+#ifdef CONFIG_BATMAN_ADV_BLA
+       if (nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
+                       ntohs(bat_priv->bla.claim_dest.group)))
+               goto out;
+#endif
+
        primary_if = batadv_primary_if_get_selected(bat_priv);
        if (primary_if && primary_if->if_status == BATADV_IF_ACTIVE) {
                hard_iface = primary_if->net_dev;