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authorLinus Lüssing <linus.luessing@c0d3.blue>2016-05-10 18:41:27 +0200
committerSimon Wunderlich <sw@simonwunderlich.de>2016-06-30 10:29:43 +0200
commit4e3e823b5a503235630921287f130e1d8d22d200 (patch)
tree07ea04a60825b9a1796a21041dab9ae9f2fb0feb /net/batman-adv/debugfs.c
parentbatman-adv: Adding logging of mcast flag changes (diff)
downloadlinux-4e3e823b5a503235630921287f130e1d8d22d200.tar.xz
linux-4e3e823b5a503235630921287f130e1d8d22d200.zip
batman-adv: Add debugfs table for mcast flags
This patch adds a debugfs table with originators and their according multicast flags to help users figure out why multicast optimizations might be enabled or disabled for them. Tested-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/batman-adv/debugfs.c')
-rw-r--r--net/batman-adv/debugfs.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
index 952900466d88..f187a8ff2184 100644
--- a/net/batman-adv/debugfs.c
+++ b/net/batman-adv/debugfs.c
@@ -48,6 +48,7 @@
#include "distributed-arp-table.h"
#include "gateway_client.h"
#include "icmp_socket.h"
+#include "multicast.h"
#include "network-coding.h"
#include "originator.h"
#include "translation-table.h"
@@ -363,6 +364,22 @@ static int batadv_nc_nodes_open(struct inode *inode, struct file *file)
}
#endif
+#ifdef CONFIG_BATMAN_ADV_MCAST
+/**
+ * batadv_mcast_flags_open - prepare file handler for reads from mcast_flags
+ * @inode: inode which was opened
+ * @file: file handle to be initialized
+ *
+ * Return: 0 on success or negative error number in case of failure
+ */
+static int batadv_mcast_flags_open(struct inode *inode, struct file *file)
+{
+ struct net_device *net_dev = (struct net_device *)inode->i_private;
+
+ return single_open(file, batadv_mcast_flags_seq_print_text, net_dev);
+}
+#endif
+
#define BATADV_DEBUGINFO(_name, _mode, _open) \
struct batadv_debuginfo batadv_debuginfo_##_name = { \
.attr = { \
@@ -407,6 +424,9 @@ static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
#ifdef CONFIG_BATMAN_ADV_NC
static BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open);
#endif
+#ifdef CONFIG_BATMAN_ADV_MCAST
+static BATADV_DEBUGINFO(mcast_flags, S_IRUGO, batadv_mcast_flags_open);
+#endif
static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
&batadv_debuginfo_neighbors,
@@ -424,6 +444,9 @@ static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
#ifdef CONFIG_BATMAN_ADV_NC
&batadv_debuginfo_nc_nodes,
#endif
+#ifdef CONFIG_BATMAN_ADV_MCAST
+ &batadv_debuginfo_mcast_flags,
+#endif
NULL,
};