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batman-adv: B.A.T.M.A.N. V - implement bat_neigh_print API

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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>
This commit is contained in:
Linus Luessing 2016-01-16 16:40:19 +08:00 committed by Antonio Quartulli
parent 261e264db6
commit 626d23e83c
1 changed files with 55 additions and 0 deletions
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55
net/batman-adv/bat_v.c
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@ -117,6 +117,60 @@ 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
@ -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,
};
/**