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authorMarek Lindner <lindner_marek@yahoo.de>2012-08-03 17:15:46 +0200
committerAntonio Quartulli <ordex@autistici.org>2012-10-29 09:42:29 +0100
commit30da63a6af1dbf60e6d989faa4b984b1c6c9dfaf (patch)
tree6c596e108d2e0e65fe5914f71eef978076459b43 /net/batman-adv/main.c
parentf03a13a7167caeb550b3c424da1be691bfbe54ff (diff)
downloadlinux-30da63a6af1dbf60e6d989faa4b984b1c6c9dfaf.tar.bz2
batman-adv: consolidate duplicated primary_if checking code
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv/main.c')
-rw-r--r--net/batman-adv/main.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index b4aa470bc4a6..a4a337d9af9c 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -188,6 +188,42 @@ int batadv_is_my_mac(const uint8_t *addr)
return 0;
}
+/**
+ * batadv_seq_print_text_primary_if_get - called from debugfs table printing
+ * function that requires the primary interface
+ * @seq: debugfs table seq_file struct
+ *
+ * Returns primary interface if found or NULL otherwise.
+ */
+struct batadv_hard_iface *
+batadv_seq_print_text_primary_if_get(struct seq_file *seq)
+{
+ struct net_device *net_dev = (struct net_device *)seq->private;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hard_iface *primary_if;
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+
+ if (!primary_if) {
+ seq_printf(seq,
+ "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+ net_dev->name);
+ goto out;
+ }
+
+ if (primary_if->if_status == BATADV_IF_ACTIVE)
+ goto out;
+
+ seq_printf(seq,
+ "BATMAN mesh %s disabled - primary interface not active\n",
+ net_dev->name);
+ batadv_hardif_free_ref(primary_if);
+ primary_if = NULL;
+
+out:
+ return primary_if;
+}
+
static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{