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| author | Marek Lindner <mareklindner@neomailbox.ch> | 2015-08-04 16:09:57 +0300 |
|---|---|---|
| committer | Antonio Quartulli <a@unstable.cc> | 2015-12-15 19:21:42 +0300 |
| commit | 7587405ab93e5383e64ac311f460c30a02a8e9cb (patch) | |
| tree | a6457b7afeaa0b5bddaf4864f8d46ed5446a9d39 /net/batman-adv/bat_iv_ogm.c | |
| parent | 8248a4c7c866a9c15b6b379ca98aa8c95363f502 (diff) | |
| download | linux-7587405ab93e5383e64ac311f460c30a02a8e9cb.tar.xz | |
batman-adv: export single hop neighbor list via debugfs
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net/batman-adv/bat_iv_ogm.c')
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 912d9c36fb1c..1efdb5ccfb23 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -1862,6 +1862,58 @@ next: } /** + * batadv_iv_hardif_neigh_print - print a single hop neighbour node + * @seq: neighbour table seq_file struct + * @hardif_neigh: hardif neighbour information + */ +static void +batadv_iv_hardif_neigh_print(struct seq_file *seq, + struct batadv_hardif_neigh_node *hardif_neigh) +{ + int last_secs, last_msecs; + + last_secs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) / 1000; + last_msecs = jiffies_to_msecs(jiffies - hardif_neigh->last_seen) % 1000; + + seq_printf(seq, " %10s %pM %4i.%03is\n", + hardif_neigh->if_incoming->net_dev->name, + hardif_neigh->addr, last_secs, last_msecs); +} + +/** + * batadv_iv_ogm_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_iv_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, " %10s %-13s %s\n", + "IF", "Neighbor", "last-seen"); + + 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_iv_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_iv_ogm_neigh_cmp - compare the metrics of two neighbors * @neigh1: the first neighbor object of the comparison * @if_outgoing1: outgoing interface for the first neighbor @@ -1954,6 +2006,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .bat_ogm_emit = batadv_iv_ogm_emit, .bat_neigh_cmp = batadv_iv_ogm_neigh_cmp, .bat_neigh_is_equiv_or_better = batadv_iv_ogm_neigh_is_eob, + .bat_neigh_print = batadv_iv_neigh_print, .bat_orig_print = batadv_iv_ogm_orig_print, .bat_orig_free = batadv_iv_ogm_orig_free, .bat_orig_add_if = batadv_iv_ogm_orig_add_if, |