batman-adv: add bat_orig_print API function

[deliverable/linux.git] / net / batman-adv / bat_iv_ogm.c

diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 0b1343dde5d2f1107a957d3a164802ac1f515ae0..4aabd554ca7576ed230dfd76a013a622cc173d9d 100644 (file)
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1411,6 +1411,70 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb,
        return NET_RX_SUCCESS;
 }
 
+/**
+ * batadv_iv_ogm_orig_print - print the originator table
+ * @bat_priv: the bat priv with all the soft interface information
+ * @seq: debugfs table seq_file struct
+ */
+static void batadv_iv_ogm_orig_print(struct batadv_priv *bat_priv,
+                                    struct seq_file *seq)
+{
+       struct batadv_neigh_node *neigh_node, *neigh_node_tmp;
+       struct batadv_hashtable *hash = bat_priv->orig_hash;
+       int last_seen_msecs, last_seen_secs;
+       struct batadv_orig_node *orig_node;
+       unsigned long last_seen_jiffies;
+       struct hlist_head *head;
+       int batman_count = 0;
+       uint32_t i;
+
+       seq_printf(seq, "  %-15s %s (%s/%i) %17s [%10s]: %20s ...\n",
+                  "Originator", "last-seen", "#", BATADV_TQ_MAX_VALUE,
+                  "Nexthop", "outgoingIF", "Potential nexthops");
+
+       for (i = 0; i < hash->size; i++) {
+               head = &hash->table[i];
+
+               rcu_read_lock();
+               hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
+                       neigh_node = batadv_orig_node_get_router(orig_node);
+                       if (!neigh_node)
+                               continue;
+
+                       if (neigh_node->bat_iv.tq_avg == 0)
+                               goto next;
+
+                       last_seen_jiffies = jiffies - orig_node->last_seen;
+                       last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
+                       last_seen_secs = last_seen_msecs / 1000;
+                       last_seen_msecs = last_seen_msecs % 1000;
+
+                       seq_printf(seq, "%pM %4i.%03is   (%3i) %pM [%10s]:",
+                                  orig_node->orig, last_seen_secs,
+                                  last_seen_msecs, neigh_node->bat_iv.tq_avg,
+                                  neigh_node->addr,
+                                  neigh_node->if_incoming->net_dev->name);
+
+                       hlist_for_each_entry_rcu(neigh_node_tmp,
+                                                &orig_node->neigh_list, list) {
+                               seq_printf(seq, " %pM (%3i)",
+                                          neigh_node_tmp->addr,
+                                          neigh_node_tmp->bat_iv.tq_avg);
+                       }
+
+                       seq_puts(seq, "\n");
+                       batman_count++;
+
+next:
+                       batadv_neigh_node_free_ref(neigh_node);
+               }
+               rcu_read_unlock();
+       }
+
+       if (batman_count == 0)
+               seq_puts(seq, "No batman nodes in range ...\n");
+}
+
 static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
        .name = "BATMAN_IV",
        .bat_iface_enable = batadv_iv_ogm_iface_enable,
@@ -1419,6 +1483,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
        .bat_primary_iface_set = batadv_iv_ogm_primary_iface_set,
        .bat_ogm_schedule = batadv_iv_ogm_schedule,
        .bat_ogm_emit = batadv_iv_ogm_emit,
+       .bat_orig_print = batadv_iv_ogm_orig_print,
 };
 
 int __init batadv_iv_init(void)