From 9bf8e4d4254397684250eae29a0dc12d54a00251 Mon Sep 17 00:00:00 2001 From: Simon Wunderlich Date: Sun, 22 Jan 2012 20:00:21 +0100 Subject: batman-adv: export claim tables through debugfs Signed-off-by: Simon Wunderlich Signed-off-by: Antonio Quartulli --- net/batman-adv/bridge_loop_avoidance.c | 53 ++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'net/batman-adv/bridge_loop_avoidance.c') diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index f84c892be7ea..56b9b4924763 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1294,3 +1294,56 @@ out: claim_free_ref(claim); return ret; } + +int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) +{ + struct net_device *net_dev = (struct net_device *)seq->private; + struct bat_priv *bat_priv = netdev_priv(net_dev); + struct hashtable_t *hash = bat_priv->claim_hash; + struct claim *claim; + struct hard_iface *primary_if; + struct hlist_node *node; + struct hlist_head *head; + uint32_t i; + bool is_own; + int ret = 0; + + primary_if = primary_if_get_selected(bat_priv); + if (!primary_if) { + ret = seq_printf(seq, + "BATMAN mesh %s disabled - please specify interfaces to enable it\n", + net_dev->name); + goto out; + } + + if (primary_if->if_status != IF_ACTIVE) { + ret = seq_printf(seq, + "BATMAN mesh %s disabled - primary interface not active\n", + net_dev->name); + goto out; + } + + seq_printf(seq, "Claims announced for the mesh %s (orig %pM)\n", + net_dev->name, primary_if->net_dev->dev_addr); + seq_printf(seq, " %-17s %-5s %-17s [o] (%-4s)\n", + "Client", "VID", "Originator", "CRC"); + for (i = 0; i < hash->size; i++) { + head = &hash->table[i]; + + rcu_read_lock(); + hlist_for_each_entry_rcu(claim, node, head, hash_entry) { + is_own = compare_eth(claim->backbone_gw->orig, + primary_if->net_dev->dev_addr); + seq_printf(seq, " * %pM on % 5d by %pM [%c] (%04x)\n", + claim->addr, claim->vid, + claim->backbone_gw->orig, + (is_own ? 'x' : ' '), + claim->backbone_gw->crc); + } + rcu_read_unlock(); + } +out: + if (primary_if) + hardif_free_ref(primary_if); + return ret; +} -- cgit