From: Linus Luessing linus.luessing@web.de
Lists all neighbours detected by the Echo Locating Protocol (ELP) and their throughput metric.
Initially Developed by Linus during a 6 months trainee study period in Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing linus.luessing@web.de Signed-off-by: Marek Lindner mareklindner@neomailbox.ch Signed-off-by: Antonio Quartulli antonio@open-mesh.com --- net/batman-adv/bat_v.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+)
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index a90117c..3315b9a 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -118,6 +118,60 @@ batadv_v_orig_print_neigh(struct batadv_orig_node *orig_node, }
/** + * batadv_v_hardif_neigh_print - print a single ELP neighbour node + * @seq: neighbour table seq_file struct + * @hardif_neigh: hardif neighbour information + */ +static void +batadv_v_hardif_neigh_print(struct seq_file *seq, + struct batadv_hardif_neigh_node *hardif_neigh) +{ + int last_secs, last_msecs; + u32 throughput; + + last_secs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) / 1000; + last_msecs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) % 1000; + throughput = ewma_throughput_read(&hardif_neigh->bat_v.throughput); + + seq_printf(seq, "%pM %4i.%03is (%9u.%1u) [%10s]\n", + hardif_neigh->addr, last_secs, last_msecs, throughput / 10, + throughput % 10, hardif_neigh->if_incoming->net_dev->name); +} + +/** + * batadv_v_neigh_print - print the single hop neighbour list + * @bat_priv: the bat priv with all the soft interface information + * @seq: neighbour table seq_file struct + */ +static void batadv_v_neigh_print(struct batadv_priv *bat_priv, + struct seq_file *seq) +{ + struct net_device *net_dev = (struct net_device *)seq->private; + struct batadv_hardif_neigh_node *hardif_neigh; + struct batadv_hard_iface *hard_iface; + int batman_count = 0; + + seq_printf(seq, " %-15s %s (%11s) [%10s]\n", "Neighbor", + "last-seen", "throughput", "IF"); + + rcu_read_lock(); + list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { + if (hard_iface->soft_iface != net_dev) + continue; + + hlist_for_each_entry_rcu(hardif_neigh, + &hard_iface->neigh_list, list) { + batadv_v_hardif_neigh_print(seq, hardif_neigh); + batman_count++; + } + } + rcu_read_unlock(); + + if (batman_count == 0) + seq_puts(seq, "No batman nodes in range ...\n"); +} + +/** * batadv_v_orig_print - print the originator table * @bat_priv: the bat priv with all the soft interface information * @seq: debugfs table seq_file struct @@ -230,6 +284,7 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { .bat_orig_print = batadv_v_orig_print, .bat_neigh_cmp = batadv_v_neigh_cmp, .bat_neigh_is_similar_or_better = batadv_v_neigh_is_sob, + .bat_neigh_print = batadv_v_neigh_print, };
/**