Staging: batman-adv: convert more files from /proc to /sys

converted files:
vis_mode, vis_data

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 29 insertions, 4 deletions

diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 818f56e..684db75 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -26,6 +26,7 @@
 #include "hash.h"
 #include "translation-table.h"
 #include "routing.h"
+#include "hard-interface.h"
 
 static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
 
@@ -205,7 +206,6 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
 	return neigh_purged;
 }
 
-
 static bool purge_orig_node(struct orig_node *orig_node)
 {
 	struct neigh_node *best_neigh_node;
@@ -224,6 +224,7 @@ static bool purge_orig_node(struct orig_node *orig_node)
 				      orig_node->hna_buff,
 				      orig_node->hna_buff_len);
 	}
+
 	return false;
 }
 
@@ -249,7 +250,8 @@ void purge_orig(struct work_struct *work)
 	start_purge_timer();
 }
 
-ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off)
+ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
+			      size_t count, loff_t off)
 {
 	HASHIT(hashit);
 	struct orig_node *orig_node;
@@ -260,12 +262,35 @@ ssize_t orig_fill_buffer_text(char *buff, size_t count, loff_t off)
 	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
 
 	rcu_read_lock();
+	if (list_empty(&if_list)) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+				       net_dev->name);
+
+		return 0;
+	}
+
+	if (((struct batman_if *)if_list.next)->if_active != IF_ACTIVE) {
+		rcu_read_unlock();
+
+		if (off == 0)
+			return sprintf(buff,
+				       "BATMAN mesh %s disabled - primary interface not active\n",
+				       net_dev->name);
+
+		return 0;
+	}
+
 	hdr_len = sprintf(buff,
-		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s] \n",
+		   "  %-14s (%s/%i) %17s [%10s]: %20s ... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)] \n",
 		   "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
 		   "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
 		   ((struct batman_if *)if_list.next)->dev,
-		   ((struct batman_if *)if_list.next)->addr_str);
+		   ((struct batman_if *)if_list.next)->addr_str,
+		   net_dev->name);
 	rcu_read_unlock();
 
 	if (off < hdr_len)