batman-adv debug logging

index 61b6192..d738b7a 100644
@@ -112,7 +112,8 @@ static void new_aggregated_packet(unsigned char *packet_buff,
 	/* own packet should always be scheduled */
 	if (!own_packet) {
 		if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) {
-			bat_dbg(DBG_BATMAN, "batman packet queue full\n");
+			bat_dbg(DBG_BATMAN, bat_priv,
+				"batman packet queue full\n");
 			return;
 		}
 	}

205 lines not on this page · raw message

index c10fe03..dd4193c 100644
@@ -128,6 +128,9 @@ static void bit_reset_window(TYPE_OF_WORD *seq_bits)
 char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
 		    int8_t set_mark)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+
 	/* sequence number is slightly older. We already got a sequence number
 	 * higher than this one, so we just mark it. */
 

@@ -152,7 +155,7 @@ char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
 
 	if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE)
 		|| (seq_num_diff < EXPECTED_SEQNO_RANGE)) {
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"We missed a lot of packets (%i) !\n",
 			seq_num_diff - 1);
 		bit_reset_window(seq_bits);

@@ -169,7 +172,7 @@ char bit_get_packet(TYPE_OF_WORD *seq_bits, int32_t seq_num_diff,
 	if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
 		|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
 
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Other host probably restarted!\n");
 
 		bit_reset_window(seq_bits);

index 2288a96..f50bc41 100644
@@ -80,7 +80,7 @@ void gw_election(void)
 		rcu_read_unlock();
 
 		if (curr_gateway) {
-			bat_dbg(DBG_BATMAN,
+			bat_dbg(DBG_BATMAN, bat_priv,
 				"Removing selected gateway - "
 				"no gateway in range\n");
 			gw_deselect();

@@ -137,18 +137,18 @@ void gw_election(void)
 	spin_lock(&curr_gw_lock);
 	if (curr_gateway != curr_gw_tmp) {
 		if ((curr_gateway) && (!curr_gw_tmp))
-			bat_dbg(DBG_BATMAN,
+			bat_dbg(DBG_BATMAN, bat_priv,
 				"Removing selected gateway - "
 				"no gateway in range\n");
 		else if ((!curr_gateway) && (curr_gw_tmp))
-			bat_dbg(DBG_BATMAN,
+			bat_dbg(DBG_BATMAN, bat_priv,
 				"Adding route to gateway %pM "
 				"(gw_flags: %i, tq: %i)\n",
 				curr_gw_tmp->orig_node->orig,
 				curr_gw_tmp->orig_node->gw_flags,
 				curr_gw_tmp->orig_node->router->tq_avg);
 		else
-			bat_dbg(DBG_BATMAN,
+			bat_dbg(DBG_BATMAN, bat_priv,
 				"Changing route to gateway %pM "
 				"(gw_flags: %i, tq: %i)\n",
 				curr_gw_tmp->orig_node->orig,

@@ -200,7 +200,7 @@ void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node)
 	    (orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_class)))
 		return;
 
-	bat_dbg(DBG_BATMAN,
+	bat_dbg(DBG_BATMAN, bat_priv,
 		"Restarting gateway selection: better gateway found (tq curr: "
 		"%i, tq new: %i)\n",
 		gw_tq_avg, orig_tq_avg);

@@ -211,6 +211,8 @@ deselect:
 
 static void gw_node_add(struct orig_node *orig_node, uint8_t new_gwflags)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct gw_node *gw_node;
 	int down, up;
 

@@ -225,7 +227,7 @@ static void gw_node_add(struct orig_node *orig_node, uint8_t new_gwflags)
 	list_add_tail_rcu(&gw_node->list, &gw_list);
 
 	gw_srv_class_to_kbit(new_gwflags, &down, &up);
-	bat_dbg(DBG_BATMAN,
+	bat_dbg(DBG_BATMAN, bat_priv,
 		"Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n",
 		orig_node->orig, new_gwflags,
 		(down > 2048 ? down / 1024 : down),

@@ -236,6 +238,8 @@ static void gw_node_add(struct orig_node *orig_node, uint8_t new_gwflags)
 
 void gw_node_update(struct orig_node *orig_node, uint8_t new_gwflags)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct gw_node *gw_node;
 
 	rcu_read_lock();

@@ -243,7 +247,7 @@ void gw_node_update(struct orig_node *orig_node, uint8_t new_gwflags)
 		if (gw_node->orig_node != orig_node)
 			continue;
 
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Gateway class of originator %pM changed from "
 			"%i to %i\n",
 			orig_node->orig, gw_node->orig_node->gw_flags,

@@ -253,7 +257,7 @@ void gw_node_update(struct orig_node *orig_node, uint8_t new_gwflags)
 
 		if (new_gwflags == 0) {
 			gw_node->deleted = jiffies;
-			bat_dbg(DBG_BATMAN,
+			bat_dbg(DBG_BATMAN, bat_priv,
 				"Gateway %pM removed from gateway list\n",
 				orig_node->orig);
 

index 0773420..fe07c0e 100644
@@ -445,6 +445,8 @@ static int batman_skb_recv_finish(struct sk_buff *skb)
 int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
 	struct packet_type *ptype, struct net_device *orig_dev)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct batman_packet *batman_packet;
 	struct batman_if *batman_if;
 	struct net_device_stats *stats;

@@ -492,7 +494,7 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
 	batman_packet = (struct batman_packet *)skb->data;
 
 	if (batman_packet->version != COMPAT_VERSION) {
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Drop packet: incompatible batman version (%i)\n",
 			batman_packet->version);
 		goto err_free;

index 08cca22..484f021 100644
@@ -156,6 +156,8 @@ static ssize_t bat_socket_read(struct file *file, char __user *buf,
 static ssize_t bat_socket_write(struct file *file, const char __user *buff,
 				size_t len, loff_t *off)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct socket_client *socket_client =
 		(struct socket_client *)file->private_data;
 	struct icmp_packet_rr icmp_packet;

@@ -166,7 +168,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
 	unsigned long flags;
 
 	if (len < sizeof(struct icmp_packet)) {
-		bat_dbg(DBG_BATMAN, "batman-adv:"
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Error - can't send packet from char device: "
 			"invalid packet size\n");
 		return -EINVAL;

@@ -182,14 +184,14 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff,
 		return -EFAULT;
 
 	if (icmp_packet.packet_type != BAT_ICMP) {
-		bat_dbg(DBG_BATMAN, "batman-adv:"
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Error - can't send packet from char device: "
 			"got bogus packet type (expected: BAT_ICMP)\n");
 		return -EINVAL;
 	}
 
 	if (icmp_packet.msg_type != ECHO_REQUEST) {
-		bat_dbg(DBG_BATMAN, "batman-adv:"
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Error - can't send packet from char device: "
 			"got bogus message type (expected: ECHO_REQUEST)\n");
 		return -EINVAL;

index cb17a9c..38e48e2 100644
@@ -88,20 +88,8 @@
 			 * broadcasting / etc */
 #define DBG_ROUTES 2	/* route or hna added / changed / deleted */
 
-#ifdef CONFIG_BATMAN_ADV_DEBUG
-extern int debug;
+#define LOG_BUF_LEN 8192          /* has to be a power of 2 */
 
-extern int bat_debug_type(int type);
-#define bat_dbg(type, fmt, arg...) do {					\
-		if (bat_debug_type(type))				\
-			printk(KERN_DEBUG "batman-adv:" fmt, ## arg);	\
-	}								\
-	while (0)
-#else /* !CONFIG_BATMAN_ADV_DEBUG */
-#define bat_dbg(type, fmt, arg...) do {		\
-	}					\
-	while (0)
-#endif
 
 /*
  *  Vis

@@ -160,3 +148,20 @@ int choose_orig(void *data, int32_t size);
 int is_my_mac(uint8_t *addr);
 int is_bcast(uint8_t *addr);
 int is_mcast(uint8_t *addr);
+
+#ifdef CONFIG_BATMAN_ADV_DEBUG
+extern int debug;
+
+extern int bat_debug_type(int type);
+extern int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
+
+#define bat_dbg(type, bat_priv, fmt, arg...) do {		\
+		if (bat_debug_type(type))			\
+			debug_log(bat_priv, fmt, ## arg);	\
+	}							\
+	while (0)
+#else /* !CONFIG_BATMAN_ADV_DEBUG */
+#define bat_dbg(type, bat_priv, fmt, arg...) do {	\
+	}						\
+	while (0)
+#endif

index d276afd..363a412 100644
@@ -62,9 +62,12 @@ struct neigh_node *
 create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
 		uint8_t *neigh, struct batman_if *if_incoming)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct neigh_node *neigh_node;
 
-	bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n");
+	bat_dbg(DBG_BATMAN, bat_priv,
+		"Creating new last-hop neighbor of originator\n");
 
 	neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
 	if (!neigh_node)

@@ -131,7 +134,8 @@ struct orig_node *get_orig_node(uint8_t *addr)
 	if (orig_node != NULL)
 		return orig_node;
 
-	bat_dbg(DBG_BATMAN, "Creating new originator: %pM\n", addr);
+	bat_dbg(DBG_BATMAN, bat_priv,
+		"Creating new originator: %pM\n", addr);
 
 	orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
 	if (!orig_node)

@@ -184,6 +188,8 @@ free_orig_node:
 static bool purge_orig_neighbors(struct orig_node *orig_node,
 				 struct neigh_node **best_neigh_node)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct list_head *list_pos, *list_pos_tmp;
 	struct neigh_node *neigh_node;
 	bool neigh_purged = false;

@@ -201,13 +207,13 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
 
 			if (neigh_node->if_incoming->if_status ==
 							IF_TO_BE_REMOVED)
-				bat_dbg(DBG_BATMAN,
+				bat_dbg(DBG_BATMAN, bat_priv,
 					"neighbor purge: originator %pM, "
 					"neighbor: %pM, iface: %s\n",
 					orig_node->orig, neigh_node->addr,
 					neigh_node->if_incoming->dev);
 			else
-				bat_dbg(DBG_BATMAN,
+				bat_dbg(DBG_BATMAN, bat_priv,
 					"neighbor timeout: originator %pM, "
 					"neighbor: %pM, last_valid: %lu\n",
 					orig_node->orig, neigh_node->addr,

@@ -234,7 +240,7 @@ static bool purge_orig_node(struct orig_node *orig_node)
 	if (time_after(jiffies,
 		orig_node->last_valid + 2 * PURGE_TIMEOUT * HZ)) {
 
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"Originator timeout: originator %pM, last_valid %lu\n",
 			orig_node->orig, (orig_node->last_valid / HZ));
 		return true;

206 lines not on this page · raw message

index 3c0bb7d..ba032b9 100644
@@ -128,6 +128,8 @@ void send_raw_packet(unsigned char *pack_buff, int pack_buff_len,
 static void send_packet_to_if(struct forw_packet *forw_packet,
 			      struct batman_if *batman_if)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	char *fwd_str;
 	uint8_t packet_num;
 	int16_t buff_pos;

@@ -157,7 +159,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 		fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
 							    "Sending own" :
 							    "Forwarding"));
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
 			" IDF %s) on interface %s [%s]\n",
 			fwd_str, (packet_num > 0 ? "aggregated " : ""),

@@ -182,6 +184,8 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 /* send a batman packet */
 static void send_packet(struct forw_packet *forw_packet)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct batman_if *batman_if;
 	struct batman_packet *batman_packet =
 		(struct batman_packet *)(forw_packet->packet_buff);

@@ -202,7 +206,7 @@ static void send_packet(struct forw_packet *forw_packet)
 	    (forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
 
 		/* FIXME: what about aggregated packets ? */
-		bat_dbg(DBG_BATMAN,
+		bat_dbg(DBG_BATMAN, bat_priv,
 			"%s packet (originator %pM, seqno %d, TTL %d) "
 			"on interface %s [%s]\n",
 			(forw_packet->own ? "Sending own" : "Forwarding"),

@@ -321,7 +325,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	unsigned long send_time;
 
 	if (batman_packet->ttl <= 1) {
-		bat_dbg(DBG_BATMAN, "ttl exceeded\n");
+		bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
 		return;
 	}
 

@@ -350,7 +354,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	/* apply hop penalty */
 	batman_packet->tq = hop_penalty(batman_packet->tq);
 
-	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, "
+	bat_dbg(DBG_BATMAN, bat_priv,
+		"Forwarding packet: tq_orig: %i, tq_avg: %i, "
 		"tq_forw: %i, ttl_orig: %i, ttl_forw: %i\n",
 		in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
 		batman_packet->ttl);

@@ -414,7 +419,7 @@ int add_bcast_packet_to_list(struct sk_buff *skb)
 	struct bat_priv *bat_priv = netdev_priv(soft_device);
 
 	if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
-		bat_dbg(DBG_BATMAN, "bcast packet queue full\n");
+		bat_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
 		goto out;
 	}
 

@@ -530,15 +535,19 @@ out:
 
 void purge_outstanding_packets(struct batman_if *batman_if)
 {
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct forw_packet *forw_packet;
 	struct hlist_node *tmp_node, *safe_tmp_node;
 	unsigned long flags;
 
 	if (batman_if)
-		bat_dbg(DBG_BATMAN, "purge_outstanding_packets(): %s\n",
+		bat_dbg(DBG_BATMAN, bat_priv,
+			"purge_outstanding_packets(): %s\n",
 			batman_if->dev);
 	else
-		bat_dbg(DBG_BATMAN, "purge_outstanding_packets()\n");
+		bat_dbg(DBG_BATMAN, bat_priv,
+			"purge_outstanding_packets()\n");
 
 	/* free bcast list */
 	spin_lock_irqsave(&forw_bcast_list_lock, flags);

index b969fe7..1223609 100644
@@ -61,6 +61,8 @@ int hna_local_init(void)
 
 void hna_local_add(uint8_t *addr)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct hna_local_entry *hna_local_entry;
 	struct hna_global_entry *hna_global_entry;
 	struct hashtable_t *swaphash;

@@ -81,15 +83,15 @@ void hna_local_add(uint8_t *addr)
 	   MAC-flooding. */
 	if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
 	    (num_hna + 1 > 255)) {
-		bat_dbg(DBG_ROUTES,
+		bat_dbg(DBG_ROUTES, bat_priv,
 			"Can't add new local hna entry (%pM): "
 			"number of local hna entries exceeds packet size\n",
 			addr);
 		return;
 	}
 
-	bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM\n",
-		addr);
+	bat_dbg(DBG_ROUTES, bat_priv,
+		"Creating new local hna entry: %pM\n", addr);
 
 	hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
 	if (!hna_local_entry)

@@ -224,7 +226,9 @@ static void _hna_local_del(void *data)
 static void hna_local_del(struct hna_local_entry *hna_local_entry,
 			  char *message)
 {
-	bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s\n",
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+	bat_dbg(DBG_ROUTES, bat_priv, "Deleting local hna entry (%pM): %s\n",
 		hna_local_entry->addr, message);
 
 	hash_remove(hna_local_hash, hna_local_entry->addr);

@@ -294,6 +298,8 @@ int hna_global_init(void)
 void hna_global_add_orig(struct orig_node *orig_node,
 			 unsigned char *hna_buff, int hna_buff_len)
 {
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
 	struct hna_global_entry *hna_global_entry;
 	struct hna_local_entry *hna_local_entry;
 	struct hashtable_t *swaphash;

@@ -320,7 +326,7 @@ void hna_global_add_orig(struct orig_node *orig_node,
 
 			memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
 
-			bat_dbg(DBG_ROUTES,
+			bat_dbg(DBG_ROUTES, bat_priv,
 				"Creating new global hna entry: "
 				"%pM (via %pM)\n",
 				hna_global_entry->addr, orig_node->orig);

@@ -429,7 +435,10 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset)
 static void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
 				 char *message)
 {
-	bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s\n",
+	/* FIXME: each orig_node->batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+	bat_dbg(DBG_ROUTES, bat_priv,
+		"Deleting global hna entry %pM (via %pM): %s\n",
 		hna_global_entry->addr, hna_global_entry->orig_node->orig,
 		message);
 

index 75930cf..2009815 100644
@@ -20,9 +20,6 @@
  */
 
 
-
-
-
 #ifndef TYPES_H
 #define TYPES_H
 

@@ -127,6 +124,7 @@ struct bat_priv {
 	atomic_t bcast_queue_left;
 	atomic_t batman_queue_left;
 	char num_ifaces;
+	struct debug_log *debug_log;
 	struct batman_if *primary_if;
 	struct kobject *mesh_obj;
 	struct dentry *debug_dir;

@@ -184,4 +182,11 @@ struct if_list_entry {
 	struct hlist_node list;
 };
 
+struct debug_log {
+	char log_buff[LOG_BUF_LEN];
+	unsigned long log_start;
+	unsigned long log_end;
+	spinlock_t lock;
+	wait_queue_head_t queue_wait;
+};
 #endif

index 0e877fa..c57355a 100644
@@ -101,3 +101,46 @@ int handle_debug_table(int argc, char **argv, char *file_path, void table_usage(
 	debugfs_make_path(DEBUG_BATIF_PATH "/", full_path, sizeof(full_path));
 	return read_file(full_path, file_path, read_opt);
 }
+
+static void log_usage(void)
+{
+	printf("Usage: batctl [options] log \n");
+	printf("options:\n");
+	printf(" \t -h print this help\n");
+	printf(" \t -n don't replace mac addresses with bat-host names\n");
+}
+
+int log_print(int argc, char **argv)
+{
+	int optchar, res, read_opt = USE_BAT_HOSTS | LOG_MODE;
+	char full_path[MAX_PATH+1];
+	char *debugfs_mnt;
+
+	while ((optchar = getopt(argc, argv, "hn")) != -1) {
+		switch (optchar) {
+		case 'h':
+			log_usage();
+			return EXIT_SUCCESS;
+		case 'n':
+			read_opt &= ~USE_BAT_HOSTS;
+			break;
+		default:
+			log_usage();
+			return EXIT_FAILURE;
+		}
+	}
+
+	debugfs_mnt = debugfs_mount(NULL);
+	if (!debugfs_mnt) {
+		printf("Error - can't mount or find debugfs\n");
+		return EXIT_FAILURE;
+	}
+
+	debugfs_make_path(DEBUG_BATIF_PATH "/", full_path, sizeof(full_path));
+	res = read_file(full_path, DEBUG_LOG, read_opt);
+
+	if ((res != EXIT_SUCCESS) && (errno == ENOENT))
+		printf("To read the debug log you need to compile the module with debugging enabled (see the README)\n");
+
+	return res;
+}

index 8b03b10..bc6d16c 100644
@@ -26,9 +26,11 @@
 #define DEBUG_TRANSTABLE_GLOBAL "transtable_global"
 #define DEBUG_GATEWAYS "gateways"
 #define DEBUG_VIS_DATA "vis_data"
+#define DEBUG_LOG "log"
 
 void originators_usage(void);
 void trans_local_usage(void);
 void trans_global_usage(void);
 void gateways_usage(void);
 int handle_debug_table(int argc, char **argv, char *file_path, void table_usage(void));
+int log_print(int argc, char **argv);

index 7be9511..9b697b3 100644
@@ -99,24 +99,6 @@ char *get_name_by_macstr(char *mac_str, int read_opt)
 	return get_name_by_macaddr(mac_addr, read_opt);
 }
 
-static int check_proc_dir(char *dir)
-{
-	struct stat st;
-
-	if (stat("/proc/", &st) != 0) {
-		printf("Error - the folder '/proc' was not found on the system\n");
-		printf("Please make sure that the proc filesystem is properly mounted\n");
-		return EXIT_FAILURE;
-	}
-
-	if (stat(dir, &st) == 0)
-		return EXIT_SUCCESS;
-
-	printf("Error - the folder '%s' was not found within the proc filesystem\n", dir);
-	printf("Please make sure that the batman-adv kernel module is loaded\n");
-	return EXIT_FAILURE;
-}
-
 static int check_sys_dir(char *dir)
 {
 	struct stat st;

@@ -148,10 +130,7 @@ int read_file(char *dir, char *fname, int read_opt)
 	if (read_opt & USE_BAT_HOSTS)
 		bat_hosts_init();
 
-	if (strstr(dir, "/proc/")) {
-		if (check_proc_dir(dir) != EXIT_SUCCESS)
-			goto out;
-	} else if (strstr(dir, "/sys/")) {
+	if (strstr(dir, "/sys/")) {
 		if (check_sys_dir(dir) != EXIT_SUCCESS)
 			goto out;
 	}

@@ -178,12 +157,6 @@ read:
 		if (read_opt & USE_READ_BUFF)
 			break;
 
-		if (read_opt & LOG_MODE) {
-			/* omit log lines which don't start with the correct tag */
-			if (strncmp(line_ptr, BATMAN_ADV_TAG, strlen(BATMAN_ADV_TAG)) != 0)
-				continue;
-		}
-
 		if (!(read_opt & USE_BAT_HOSTS)) {
 			printf("%s", line_ptr);
 			continue;

@@ -267,10 +240,7 @@ int write_file(char *dir, char *fname, char *arg1, char *arg2)
 	char full_path[500];
 	ssize_t write_len;
 
-	if (strstr(dir, "/proc/")) {
-		if (check_proc_dir(dir) != EXIT_SUCCESS)
-			goto out;
-	} else if (strstr(dir, "/sys/")) {
+	if (strstr(dir, "/sys/")) {
 		if (check_sys_dir(dir) != EXIT_SUCCESS)
 			goto out;
 	}

index 9137424..2d1543f 100644
@@ -169,46 +169,6 @@ err:
 	return EXIT_FAILURE;
 }
 
-static void log_usage(void)
-{
-	printf("Usage: batctl [options] log [logfile]\n");
-	printf("Note: if no logfile was specified stdin is read");
-	printf("options:\n");
-	printf(" \t -h print this help\n");
-	printf(" \t -n don't replace mac addresses with bat-host names\n");
-	printf(" \t -w watch mode - read the log file continuously\n");
-}
-
-int log_print(int argc, char **argv)
-{
-	int optchar, read_opt = USE_BAT_HOSTS | LOG_MODE;
-	int found_args = 1;
-
-	while ((optchar = getopt(argc, argv, "hnw")) != -1) {
-		switch (optchar) {
-		case 'h':
-			log_usage();
-			return EXIT_SUCCESS;
-		case 'n':
-			read_opt &= ~USE_BAT_HOSTS;
-			found_args += 1;
-			break;
-		case 'w':
-			read_opt |= CONT_READ;
-			found_args += 1;
-			break;
-		default:
-			log_usage();
-			return EXIT_FAILURE;
-		}
-	}
-
-	if (argc > found_args)
-		return read_file("", argv[found_args], read_opt);
-	else
-		return read_file("", "/proc/self/fd/0", read_opt);
-}
-
 static void log_level_usage(void)
 {
 	printf("Usage: batctl [options] loglevel [level]\n");

index 3bbe030..ded6a41 100644
@@ -41,7 +41,6 @@ void bonding_usage(void);
 void gw_mode_usage(void);
 void vis_mode_usage(void);
 void orig_interval_usage(void);
-int log_print(int argc, char **argv);
 int interface(int argc, char **argv);
 int handle_loglevel(int argc, char **argv);
 int handle_sys_setting(int argc, char **argv, char *file_path,