AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

batman-adv: export single hop neighbor list via debugfs

Browse Source 
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
This commit is contained in:
Marek Lindner 2015-08-04 21:09:57 +08:00 committed by Antonio Quartulli
parent 8248a4c7c8
commit 7587405ab9
5 changed files with 100 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
net/batman-adv/bat_iv_ogm.c
View File

@ -1861,6 +1861,58 @@ static void batadv_iv_ogm_orig_print(struct batadv_priv *bat_priv,
seq_puts(seq, "No batman nodes in range ...\n");
}
/**
* 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
@ -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,

9
net/batman-adv/debugfs.c
View File

@ -262,6 +262,13 @@ static int batadv_algorithms_open(struct inode *inode, struct file *file)
return single_open(file, batadv_algo_seq_print_text, NULL);
}
static int neighbors_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
return single_open(file, batadv_hardif_neigh_seq_print_text, net_dev);
}
static int batadv_originators_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
@ -375,6 +382,7 @@ static struct batadv_debuginfo *batadv_general_debuginfos[] = {
};
/* The following attributes are per soft interface */
static BATADV_DEBUGINFO(neighbors, S_IRUGO, neighbors_open);
static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open);
static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open);
static BATADV_DEBUGINFO(transtable_global, S_IRUGO,
@ -394,6 +402,7 @@ static BATADV_DEBUGINFO(nc_nodes, S_IRUGO, batadv_nc_nodes_open);
#endif
static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
&batadv_debuginfo_neighbors,
&batadv_debuginfo_originators,
&batadv_debuginfo_gateways,
&batadv_debuginfo_transtable_global,

34
net/batman-adv/originator.c
View File

@ -692,6 +692,40 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node,
return neigh_node;
}
/**
* batadv_hardif_neigh_seq_print_text - print the single hop neighbour list
* @seq: neighbour table seq_file struct
* @offset: not used
*
* Always returns 0.
*/
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
primary_if = batadv_seq_print_text_primary_if_get(seq);
if (!primary_if)
return 0;
seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s %s)]\n",
BATADV_SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name,
bat_priv->bat_algo_ops->name);
batadv_hardif_free_ref(primary_if);
if (!bat_priv->bat_algo_ops->bat_neigh_print) {
seq_puts(seq,
"No printing function for this routing protocol\n");
return 0;
}
bat_priv->bat_algo_ops->bat_neigh_print(bat_priv, seq);
return 0;
}
/**
* batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object
* @rcu: rcu pointer of the orig_ifinfo object

2
net/batman-adv/originator.h
View File

@ -62,6 +62,8 @@ batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
struct batadv_hard_iface *if_outgoing);
void batadv_neigh_ifinfo_free_ref(struct batadv_neigh_ifinfo *neigh_ifinfo);
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing);

2
net/batman-adv/types.h
View File

@ -1159,6 +1159,7 @@ struct batadv_forw_packet {
* @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or better
* than neigh2 for their respective outgoing interface from the metric
* prospective
* @bat_neigh_print: print the single hop neighbor list (optional)
* @bat_neigh_free: free the resources allocated by the routing algorithm for a
* neigh_node object
* @bat_orig_print: print the originator table (optional)
@ -1189,6 +1190,7 @@ struct batadv_algo_ops {
struct batadv_hard_iface *if_outgoing1,
struct batadv_neigh_node *neigh2,
struct batadv_hard_iface *if_outgoing2);
void (*bat_neigh_print)(struct batadv_priv *priv, struct seq_file *seq);
void (*bat_neigh_free)(struct batadv_neigh_node *neigh);
/* orig_node handling API */
void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq,