batman-adv: export claim tables through debugfs
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
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c867305509
Коммит
9bf8e4d425
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@ -77,9 +77,8 @@ folder:
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There is a special folder for debugging information:
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# ls /sys/kernel/debug/batman_adv/bat0/
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# gateways socket transtable_global vis_data
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# originators softif_neigh transtable_local
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# bla_claim_table log socket transtable_local
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# gateways originators transtable_global vis_data
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Some of the files contain all sort of status information regard-
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ing the mesh network. For example, you can view the table of
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@ -32,6 +32,7 @@
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#include "soft-interface.h"
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#include "vis.h"
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#include "icmp_socket.h"
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#include "bridge_loop_avoidance.h"
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static struct dentry *bat_debugfs;
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@ -244,6 +245,13 @@ static int transtable_global_open(struct inode *inode, struct file *file)
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return single_open(file, tt_global_seq_print_text, net_dev);
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}
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static int bla_claim_table_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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return single_open(file, bla_claim_table_seq_print_text, net_dev);
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}
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static int transtable_local_open(struct inode *inode, struct file *file)
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{
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struct net_device *net_dev = (struct net_device *)inode->i_private;
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@ -277,6 +285,7 @@ static BAT_DEBUGINFO(routing_algos, S_IRUGO, bat_algorithms_open);
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static BAT_DEBUGINFO(originators, S_IRUGO, originators_open);
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static BAT_DEBUGINFO(gateways, S_IRUGO, gateways_open);
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static BAT_DEBUGINFO(transtable_global, S_IRUGO, transtable_global_open);
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static BAT_DEBUGINFO(bla_claim_table, S_IRUGO, bla_claim_table_open);
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static BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open);
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static BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open);
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@ -284,6 +293,7 @@ static struct bat_debuginfo *mesh_debuginfos[] = {
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&bat_debuginfo_originators,
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&bat_debuginfo_gateways,
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&bat_debuginfo_transtable_global,
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&bat_debuginfo_bla_claim_table,
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&bat_debuginfo_transtable_local,
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&bat_debuginfo_vis_data,
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NULL,
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@ -1294,3 +1294,56 @@ out:
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claim_free_ref(claim);
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return ret;
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}
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int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
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{
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struct net_device *net_dev = (struct net_device *)seq->private;
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struct bat_priv *bat_priv = netdev_priv(net_dev);
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struct hashtable_t *hash = bat_priv->claim_hash;
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struct claim *claim;
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struct hard_iface *primary_if;
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struct hlist_node *node;
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struct hlist_head *head;
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uint32_t i;
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bool is_own;
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int ret = 0;
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primary_if = primary_if_get_selected(bat_priv);
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if (!primary_if) {
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ret = seq_printf(seq,
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"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
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net_dev->name);
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goto out;
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}
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if (primary_if->if_status != IF_ACTIVE) {
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ret = seq_printf(seq,
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"BATMAN mesh %s disabled - primary interface not active\n",
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net_dev->name);
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goto out;
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}
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seq_printf(seq, "Claims announced for the mesh %s (orig %pM)\n",
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net_dev->name, primary_if->net_dev->dev_addr);
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seq_printf(seq, " %-17s %-5s %-17s [o] (%-4s)\n",
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"Client", "VID", "Originator", "CRC");
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for (i = 0; i < hash->size; i++) {
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head = &hash->table[i];
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rcu_read_lock();
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hlist_for_each_entry_rcu(claim, node, head, hash_entry) {
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is_own = compare_eth(claim->backbone_gw->orig,
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primary_if->net_dev->dev_addr);
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seq_printf(seq, " * %pM on % 5d by %pM [%c] (%04x)\n",
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claim->addr, claim->vid,
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claim->backbone_gw->orig,
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(is_own ? 'x' : ' '),
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claim->backbone_gw->crc);
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}
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rcu_read_unlock();
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}
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out:
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if (primary_if)
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hardif_free_ref(primary_if);
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return ret;
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}
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@ -26,6 +26,7 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
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int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
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int bla_is_backbone_gw(struct sk_buff *skb,
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struct orig_node *orig_node, int hdr_size);
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int bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
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void bla_update_orig_address(struct bat_priv *bat_priv,
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struct hard_iface *primary_if,
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struct hard_iface *oldif);
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