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path: root/drivers/staging/batman-adv/originator.c
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Diffstat (limited to 'drivers/staging/batman-adv/originator.c')
-rw-r--r--drivers/staging/batman-adv/originator.c156
1 files changed, 72 insertions, 84 deletions
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index 568aef8371be..28bb627ffa13 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -56,28 +56,16 @@ err:
return 0;
}
-void originator_free(void)
-{
- unsigned long flags;
-
- if (!orig_hash)
- return;
-
- cancel_delayed_work_sync(&purge_orig_wq);
-
- spin_lock_irqsave(&orig_hash_lock, flags);
- hash_delete(orig_hash, free_orig_node);
- orig_hash = NULL;
- spin_unlock_irqrestore(&orig_hash_lock, flags);
-}
-
struct neigh_node *
create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
uint8_t *neigh, struct batman_if *if_incoming)
{
+ /* FIXME: each orig_node->batman_if will be attached to a softif */
+ struct bat_priv *bat_priv = netdev_priv(soft_device);
struct neigh_node *neigh_node;
- bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n");
+ bat_dbg(DBG_BATMAN, bat_priv,
+ "Creating new last-hop neighbor of originator\n");
neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
if (!neigh_node)
@@ -93,7 +81,7 @@ create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
return neigh_node;
}
-void free_orig_node(void *data)
+static void free_orig_node(void *data)
{
struct list_head *list_pos, *list_pos_tmp;
struct neigh_node *neigh_node;
@@ -114,6 +102,21 @@ void free_orig_node(void *data)
kfree(orig_node);
}
+void originator_free(void)
+{
+ unsigned long flags;
+
+ if (!orig_hash)
+ return;
+
+ cancel_delayed_work_sync(&purge_orig_wq);
+
+ spin_lock_irqsave(&orig_hash_lock, flags);
+ hash_delete(orig_hash, free_orig_node);
+ orig_hash = NULL;
+ spin_unlock_irqrestore(&orig_hash_lock, flags);
+}
+
/* this function finds or creates an originator entry for the given
* address if it does not exits */
struct orig_node *get_orig_node(uint8_t *addr)
@@ -129,7 +132,8 @@ struct orig_node *get_orig_node(uint8_t *addr)
if (orig_node != NULL)
return orig_node;
- bat_dbg(DBG_BATMAN, "Creating new originator: %pM\n", addr);
+ bat_dbg(DBG_BATMAN, bat_priv,
+ "Creating new originator: %pM\n", addr);
orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
if (!orig_node)
@@ -163,8 +167,8 @@ struct orig_node *get_orig_node(uint8_t *addr)
swaphash = hash_resize(orig_hash, orig_hash->size * 2);
if (swaphash == NULL)
- printk(KERN_ERR
- "batman-adv:Couldn't resize orig hash table\n");
+ bat_err(soft_device,
+ "Couldn't resize orig hash table\n");
else
orig_hash = swaphash;
}
@@ -182,6 +186,8 @@ free_orig_node:
static bool purge_orig_neighbors(struct orig_node *orig_node,
struct neigh_node **best_neigh_node)
{
+ /* FIXME: each orig_node->batman_if will be attached to a softif */
+ struct bat_priv *bat_priv = netdev_priv(soft_device);
struct list_head *list_pos, *list_pos_tmp;
struct neigh_node *neigh_node;
bool neigh_purged = false;
@@ -193,20 +199,19 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
neigh_node = list_entry(list_pos, struct neigh_node, list);
if ((time_after(jiffies,
- (neigh_node->last_valid +
- ((PURGE_TIMEOUT * HZ) / 1000)))) ||
+ neigh_node->last_valid + PURGE_TIMEOUT * HZ)) ||
(neigh_node->if_incoming->if_status ==
IF_TO_BE_REMOVED)) {
if (neigh_node->if_incoming->if_status ==
IF_TO_BE_REMOVED)
- bat_dbg(DBG_BATMAN,
+ bat_dbg(DBG_BATMAN, bat_priv,
"neighbor purge: originator %pM, "
"neighbor: %pM, iface: %s\n",
orig_node->orig, neigh_node->addr,
neigh_node->if_incoming->dev);
else
- bat_dbg(DBG_BATMAN,
+ bat_dbg(DBG_BATMAN, bat_priv,
"neighbor timeout: originator %pM, "
"neighbor: %pM, last_valid: %lu\n",
orig_node->orig, neigh_node->addr,
@@ -226,21 +231,26 @@ static bool purge_orig_neighbors(struct orig_node *orig_node,
static bool purge_orig_node(struct orig_node *orig_node)
{
+ /* FIXME: each batman_if will be attached to a softif */
+ struct bat_priv *bat_priv = netdev_priv(soft_device);
struct neigh_node *best_neigh_node;
if (time_after(jiffies,
- (orig_node->last_valid +
- ((2 * PURGE_TIMEOUT * HZ) / 1000)))) {
+ orig_node->last_valid + 2 * PURGE_TIMEOUT * HZ)) {
- bat_dbg(DBG_BATMAN,
+ bat_dbg(DBG_BATMAN, bat_priv,
"Originator timeout: originator %pM, last_valid %lu\n",
orig_node->orig, (orig_node->last_valid / HZ));
return true;
} else {
- if (purge_orig_neighbors(orig_node, &best_neigh_node))
+ if (purge_orig_neighbors(orig_node, &best_neigh_node)) {
update_routes(orig_node, best_neigh_node,
orig_node->hna_buff,
orig_node->hna_buff_len);
+ /* update bonding candidates, we could have lost
+ * some candidates. */
+ update_bonding_candidates(bat_priv, orig_node);
+ }
}
return false;
@@ -271,49 +281,41 @@ void purge_orig(struct work_struct *work)
start_purge_timer();
}
-ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
- size_t count, loff_t off)
+int orig_seq_print_text(struct seq_file *seq, void *offset)
{
HASHIT(hashit);
+ struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct orig_node *orig_node;
struct neigh_node *neigh_node;
- size_t hdr_len, tmp_len;
- int batman_count = 0, bytes_written = 0;
+ int batman_count = 0;
+ int last_seen_secs;
+ int last_seen_msecs;
unsigned long flags;
char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
- if (!bat_priv->primary_if) {
- if (off == 0)
- return sprintf(buff,
- "BATMAN mesh %s disabled - "
+ if ((!bat_priv->primary_if) ||
+ (bat_priv->primary_if->if_status != IF_ACTIVE)) {
+ if (!bat_priv->primary_if)
+ return seq_printf(seq, "BATMAN mesh %s disabled - "
"please specify interfaces to enable it\n",
net_dev->name);
- return 0;
+ return seq_printf(seq, "BATMAN mesh %s "
+ "disabled - primary interface not active\n",
+ net_dev->name);
}
- if (bat_priv->primary_if->if_status != IF_ACTIVE && off == 0)
- return sprintf(buff,
- "BATMAN mesh %s "
- "disabled - primary interface not active\n",
- net_dev->name);
- else if (bat_priv->primary_if->if_status != IF_ACTIVE)
- return 0;
-
rcu_read_lock();
- hdr_len = sprintf(buff,
- " %-14s (%s/%i) %17s [%10s]: %20s "
- "... [B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)]\n",
- "Originator", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF",
- "Potential nexthops", SOURCE_VERSION, REVISION_VERSION_STR,
+ seq_printf(seq, "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%s (%s)]\n",
+ SOURCE_VERSION, REVISION_VERSION_STR,
bat_priv->primary_if->dev, bat_priv->primary_if->addr_str,
net_dev->name);
+ seq_printf(seq, " %-15s %s (%s/%i) %17s [%10s]: %20s ...\n",
+ "Originator", "last-seen", "#", TQ_MAX_VALUE, "Nexthop",
+ "outgoingIF", "Potential nexthops");
rcu_read_unlock();
- if (off < hdr_len)
- bytes_written = hdr_len;
-
spin_lock_irqsave(&orig_hash_lock, flags);
while (hash_iterate(orig_hash, &hashit)) {
@@ -326,44 +328,34 @@ ssize_t orig_fill_buffer_text(struct net_device *net_dev, char *buff,
if (orig_node->router->tq_avg == 0)
continue;
- /* estimated line length */
- if (count < bytes_written + 200)
- break;
-
addr_to_string(orig_str, orig_node->orig);
addr_to_string(router_str, orig_node->router->addr);
+ last_seen_secs = jiffies_to_msecs(jiffies -
+ orig_node->last_valid) / 1000;
+ last_seen_msecs = jiffies_to_msecs(jiffies -
+ orig_node->last_valid) % 1000;
- tmp_len = sprintf(buff + bytes_written,
- "%-17s (%3i) %17s [%10s]:",
- orig_str, orig_node->router->tq_avg,
- router_str,
- orig_node->router->if_incoming->dev);
+ seq_printf(seq, "%-17s %4i.%03is (%3i) %17s [%10s]:",
+ orig_str, last_seen_secs, last_seen_msecs,
+ orig_node->router->tq_avg, router_str,
+ orig_node->router->if_incoming->dev);
list_for_each_entry(neigh_node, &orig_node->neigh_list, list) {
addr_to_string(orig_str, neigh_node->addr);
- tmp_len += sprintf(buff + bytes_written + tmp_len,
- " %17s (%3i)", orig_str,
+ seq_printf(seq, " %17s (%3i)", orig_str,
neigh_node->tq_avg);
}
- tmp_len += sprintf(buff + bytes_written + tmp_len, "\n");
-
+ seq_printf(seq, "\n");
batman_count++;
- hdr_len += tmp_len;
-
- if (off >= hdr_len)
- continue;
-
- bytes_written += tmp_len;
}
spin_unlock_irqrestore(&orig_hash_lock, flags);
- if ((batman_count == 0) && (off == 0))
- bytes_written += sprintf(buff + bytes_written,
- "No batman nodes in range ...\n");
+ if ((batman_count == 0))
+ seq_printf(seq, "No batman nodes in range ...\n");
- return bytes_written;
+ return 0;
}
static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
@@ -373,8 +365,7 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
data_ptr = kmalloc(max_if_num * sizeof(TYPE_OF_WORD) * NUM_WORDS,
GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR
- "batman-adv:Can't resize orig: out of memory\n");
+ pr_err("Can't resize orig: out of memory\n");
return -1;
}
@@ -385,8 +376,7 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR
- "batman-adv:Can't resize orig: out of memory\n");
+ pr_err("Can't resize orig: out of memory\n");
return -1;
}
@@ -435,8 +425,7 @@ static int orig_node_del_if(struct orig_node *orig_node,
chunk_size = sizeof(TYPE_OF_WORD) * NUM_WORDS;
data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR
- "batman-adv:Can't resize orig: out of memory\n");
+ pr_err("Can't resize orig: out of memory\n");
return -1;
}
@@ -457,8 +446,7 @@ free_bcast_own:
data_ptr = kmalloc(max_if_num * sizeof(uint8_t), GFP_ATOMIC);
if (!data_ptr) {
- printk(KERN_ERR
- "batman-adv:Can't resize orig: out of memory\n");
+ pr_err("Can't resize orig: out of memory\n");
return -1;
}