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>

1 files changed, 8 insertions, 0 deletions

diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index b33675cbaecf..464de9d05135 100644
--- 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;