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Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r--net/batman-adv/translation-table.c474
1 files changed, 252 insertions, 222 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 8d15b48d1692..7b729660cbfd 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -22,43 +22,44 @@
#include "main.h"
#include "translation-table.h"
#include "soft-interface.h"
+#include "hard-interface.h"
#include "hash.h"
#include "originator.h"
-static void hna_local_purge(struct work_struct *work);
-static void _hna_global_del_orig(struct bat_priv *bat_priv,
- struct hna_global_entry *hna_global_entry,
+static void tt_local_purge(struct work_struct *work);
+static void _tt_global_del_orig(struct bat_priv *bat_priv,
+ struct tt_global_entry *tt_global_entry,
char *message);
/* returns 1 if they are the same mac addr */
-static int compare_lhna(struct hlist_node *node, void *data2)
+static int compare_ltt(struct hlist_node *node, void *data2)
{
- void *data1 = container_of(node, struct hna_local_entry, hash_entry);
+ void *data1 = container_of(node, struct tt_local_entry, hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
/* returns 1 if they are the same mac addr */
-static int compare_ghna(struct hlist_node *node, void *data2)
+static int compare_gtt(struct hlist_node *node, void *data2)
{
- void *data1 = container_of(node, struct hna_global_entry, hash_entry);
+ void *data1 = container_of(node, struct tt_global_entry, hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
-static void hna_local_start_timer(struct bat_priv *bat_priv)
+static void tt_local_start_timer(struct bat_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->hna_work, hna_local_purge);
- queue_delayed_work(bat_event_workqueue, &bat_priv->hna_work, 10 * HZ);
+ INIT_DELAYED_WORK(&bat_priv->tt_work, tt_local_purge);
+ queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work, 10 * HZ);
}
-static struct hna_local_entry *hna_local_hash_find(struct bat_priv *bat_priv,
+static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
void *data)
{
- struct hashtable_t *hash = bat_priv->hna_local_hash;
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct hna_local_entry *hna_local_entry, *hna_local_entry_tmp = NULL;
+ struct tt_local_entry *tt_local_entry, *tt_local_entry_tmp = NULL;
int index;
if (!hash)
@@ -68,26 +69,26 @@ static struct hna_local_entry *hna_local_hash_find(struct bat_priv *bat_priv,
head = &hash->table[index];
rcu_read_lock();
- hlist_for_each_entry_rcu(hna_local_entry, node, head, hash_entry) {
- if (!compare_eth(hna_local_entry, data))
+ hlist_for_each_entry_rcu(tt_local_entry, node, head, hash_entry) {
+ if (!compare_eth(tt_local_entry, data))
continue;
- hna_local_entry_tmp = hna_local_entry;
+ tt_local_entry_tmp = tt_local_entry;
break;
}
rcu_read_unlock();
- return hna_local_entry_tmp;
+ return tt_local_entry_tmp;
}
-static struct hna_global_entry *hna_global_hash_find(struct bat_priv *bat_priv,
+static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
void *data)
{
- struct hashtable_t *hash = bat_priv->hna_global_hash;
+ struct hashtable_t *hash = bat_priv->tt_global_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct hna_global_entry *hna_global_entry;
- struct hna_global_entry *hna_global_entry_tmp = NULL;
+ struct tt_global_entry *tt_global_entry;
+ struct tt_global_entry *tt_global_entry_tmp = NULL;
int index;
if (!hash)
@@ -97,125 +98,125 @@ static struct hna_global_entry *hna_global_hash_find(struct bat_priv *bat_priv,
head = &hash->table[index];
rcu_read_lock();
- hlist_for_each_entry_rcu(hna_global_entry, node, head, hash_entry) {
- if (!compare_eth(hna_global_entry, data))
+ hlist_for_each_entry_rcu(tt_global_entry, node, head, hash_entry) {
+ if (!compare_eth(tt_global_entry, data))
continue;
- hna_global_entry_tmp = hna_global_entry;
+ tt_global_entry_tmp = tt_global_entry;
break;
}
rcu_read_unlock();
- return hna_global_entry_tmp;
+ return tt_global_entry_tmp;
}
-int hna_local_init(struct bat_priv *bat_priv)
+int tt_local_init(struct bat_priv *bat_priv)
{
- if (bat_priv->hna_local_hash)
+ if (bat_priv->tt_local_hash)
return 1;
- bat_priv->hna_local_hash = hash_new(1024);
+ bat_priv->tt_local_hash = hash_new(1024);
- if (!bat_priv->hna_local_hash)
+ if (!bat_priv->tt_local_hash)
return 0;
- atomic_set(&bat_priv->hna_local_changed, 0);
- hna_local_start_timer(bat_priv);
+ atomic_set(&bat_priv->tt_local_changed, 0);
+ tt_local_start_timer(bat_priv);
return 1;
}
-void hna_local_add(struct net_device *soft_iface, uint8_t *addr)
+void tt_local_add(struct net_device *soft_iface, uint8_t *addr)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
- struct hna_local_entry *hna_local_entry;
- struct hna_global_entry *hna_global_entry;
+ struct tt_local_entry *tt_local_entry;
+ struct tt_global_entry *tt_global_entry;
int required_bytes;
- spin_lock_bh(&bat_priv->hna_lhash_lock);
- hna_local_entry = hna_local_hash_find(bat_priv, addr);
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
+ tt_local_entry = tt_local_hash_find(bat_priv, addr);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
- if (hna_local_entry) {
- hna_local_entry->last_seen = jiffies;
+ if (tt_local_entry) {
+ tt_local_entry->last_seen = jiffies;
return;
}
/* only announce as many hosts as possible in the batman-packet and
- space in batman_packet->num_hna That also should give a limit to
+ space in batman_packet->num_tt That also should give a limit to
MAC-flooding. */
- required_bytes = (bat_priv->num_local_hna + 1) * ETH_ALEN;
+ required_bytes = (bat_priv->num_local_tt + 1) * ETH_ALEN;
required_bytes += BAT_PACKET_LEN;
if ((required_bytes > ETH_DATA_LEN) ||
(atomic_read(&bat_priv->aggregated_ogms) &&
required_bytes > MAX_AGGREGATION_BYTES) ||
- (bat_priv->num_local_hna + 1 > 255)) {
+ (bat_priv->num_local_tt + 1 > 255)) {
bat_dbg(DBG_ROUTES, bat_priv,
- "Can't add new local hna entry (%pM): "
- "number of local hna entries exceeds packet size\n",
+ "Can't add new local tt entry (%pM): "
+ "number of local tt entries exceeds packet size\n",
addr);
return;
}
bat_dbg(DBG_ROUTES, bat_priv,
- "Creating new local hna entry: %pM\n", addr);
+ "Creating new local tt entry: %pM\n", addr);
- hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
- if (!hna_local_entry)
+ tt_local_entry = kmalloc(sizeof(struct tt_local_entry), GFP_ATOMIC);
+ if (!tt_local_entry)
return;
- memcpy(hna_local_entry->addr, addr, ETH_ALEN);
- hna_local_entry->last_seen = jiffies;
+ memcpy(tt_local_entry->addr, addr, ETH_ALEN);
+ tt_local_entry->last_seen = jiffies;
/* the batman interface mac address should never be purged */
if (compare_eth(addr, soft_iface->dev_addr))
- hna_local_entry->never_purge = 1;
+ tt_local_entry->never_purge = 1;
else
- hna_local_entry->never_purge = 0;
+ tt_local_entry->never_purge = 0;
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
- hash_add(bat_priv->hna_local_hash, compare_lhna, choose_orig,
- hna_local_entry, &hna_local_entry->hash_entry);
- bat_priv->num_local_hna++;
- atomic_set(&bat_priv->hna_local_changed, 1);
+ hash_add(bat_priv->tt_local_hash, compare_ltt, choose_orig,
+ tt_local_entry, &tt_local_entry->hash_entry);
+ bat_priv->num_local_tt++;
+ atomic_set(&bat_priv->tt_local_changed, 1);
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
/* remove address from global hash if present */
- spin_lock_bh(&bat_priv->hna_ghash_lock);
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
- hna_global_entry = hna_global_hash_find(bat_priv, addr);
+ tt_global_entry = tt_global_hash_find(bat_priv, addr);
- if (hna_global_entry)
- _hna_global_del_orig(bat_priv, hna_global_entry,
- "local hna received");
+ if (tt_global_entry)
+ _tt_global_del_orig(bat_priv, tt_global_entry,
+ "local tt received");
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
}
-int hna_local_fill_buffer(struct bat_priv *bat_priv,
+int tt_local_fill_buffer(struct bat_priv *bat_priv,
unsigned char *buff, int buff_len)
{
- struct hashtable_t *hash = bat_priv->hna_local_hash;
- struct hna_local_entry *hna_local_entry;
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct tt_local_entry *tt_local_entry;
struct hlist_node *node;
struct hlist_head *head;
int i, count = 0;
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(hna_local_entry, node,
+ hlist_for_each_entry_rcu(tt_local_entry, node,
head, hash_entry) {
if (buff_len < (count + 1) * ETH_ALEN)
break;
- memcpy(buff + (count * ETH_ALEN), hna_local_entry->addr,
+ memcpy(buff + (count * ETH_ALEN), tt_local_entry->addr,
ETH_ALEN);
count++;
@@ -223,37 +224,47 @@ int hna_local_fill_buffer(struct bat_priv *bat_priv,
rcu_read_unlock();
}
- /* if we did not get all new local hnas see you next time ;-) */
- if (count == bat_priv->num_local_hna)
- atomic_set(&bat_priv->hna_local_changed, 0);
+ /* if we did not get all new local tts see you next time ;-) */
+ if (count == bat_priv->num_local_tt)
+ atomic_set(&bat_priv->tt_local_changed, 0);
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
return count;
}
-int hna_local_seq_print_text(struct seq_file *seq, void *offset)
+int tt_local_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
- struct hashtable_t *hash = bat_priv->hna_local_hash;
- struct hna_local_entry *hna_local_entry;
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct tt_local_entry *tt_local_entry;
+ struct hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
size_t buf_size, pos;
char *buff;
- int i;
+ int i, ret = 0;
- if (!bat_priv->primary_if) {
- return seq_printf(seq, "BATMAN mesh %s disabled - "
- "please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if) {
+ ret = seq_printf(seq, "BATMAN mesh %s disabled - "
+ "please specify interfaces to enable it\n",
+ net_dev->name);
+ goto out;
+ }
+
+ if (primary_if->if_status != IF_ACTIVE) {
+ ret = seq_printf(seq, "BATMAN mesh %s disabled - "
+ "primary interface not active\n",
+ net_dev->name);
+ goto out;
}
seq_printf(seq, "Locally retrieved addresses (from %s) "
- "announced via HNA:\n",
+ "announced via TT:\n",
net_dev->name);
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
buf_size = 1;
/* Estimate length for: " * xx:xx:xx:xx:xx:xx\n" */
@@ -268,8 +279,9 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset)
buff = kmalloc(buf_size, GFP_ATOMIC);
if (!buff) {
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
- return -ENOMEM;
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
+ ret = -ENOMEM;
+ goto out;
}
buff[0] = '\0';
@@ -279,211 +291,225 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(hna_local_entry, node,
+ hlist_for_each_entry_rcu(tt_local_entry, node,
head, hash_entry) {
pos += snprintf(buff + pos, 22, " * %pM\n",
- hna_local_entry->addr);
+ tt_local_entry->addr);
}
rcu_read_unlock();
}
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
seq_printf(seq, "%s", buff);
kfree(buff);
- return 0;
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ return ret;
}
-static void _hna_local_del(struct hlist_node *node, void *arg)
+static void _tt_local_del(struct hlist_node *node, void *arg)
{
struct bat_priv *bat_priv = (struct bat_priv *)arg;
- void *data = container_of(node, struct hna_local_entry, hash_entry);
+ void *data = container_of(node, struct tt_local_entry, hash_entry);
kfree(data);
- bat_priv->num_local_hna--;
- atomic_set(&bat_priv->hna_local_changed, 1);
+ bat_priv->num_local_tt--;
+ atomic_set(&bat_priv->tt_local_changed, 1);
}
-static void hna_local_del(struct bat_priv *bat_priv,
- struct hna_local_entry *hna_local_entry,
+static void tt_local_del(struct bat_priv *bat_priv,
+ struct tt_local_entry *tt_local_entry,
char *message)
{
- bat_dbg(DBG_ROUTES, bat_priv, "Deleting local hna entry (%pM): %s\n",
- hna_local_entry->addr, message);
+ bat_dbg(DBG_ROUTES, bat_priv, "Deleting local tt entry (%pM): %s\n",
+ tt_local_entry->addr, message);
- hash_remove(bat_priv->hna_local_hash, compare_lhna, choose_orig,
- hna_local_entry->addr);
- _hna_local_del(&hna_local_entry->hash_entry, bat_priv);
+ hash_remove(bat_priv->tt_local_hash, compare_ltt, choose_orig,
+ tt_local_entry->addr);
+ _tt_local_del(&tt_local_entry->hash_entry, bat_priv);
}
-void hna_local_remove(struct bat_priv *bat_priv,
+void tt_local_remove(struct bat_priv *bat_priv,
uint8_t *addr, char *message)
{
- struct hna_local_entry *hna_local_entry;
+ struct tt_local_entry *tt_local_entry;
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
- hna_local_entry = hna_local_hash_find(bat_priv, addr);
+ tt_local_entry = tt_local_hash_find(bat_priv, addr);
- if (hna_local_entry)
- hna_local_del(bat_priv, hna_local_entry, message);
+ if (tt_local_entry)
+ tt_local_del(bat_priv, tt_local_entry, message);
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
}
-static void hna_local_purge(struct work_struct *work)
+static void tt_local_purge(struct work_struct *work)
{
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct bat_priv *bat_priv =
- container_of(delayed_work, struct bat_priv, hna_work);
- struct hashtable_t *hash = bat_priv->hna_local_hash;
- struct hna_local_entry *hna_local_entry;
+ container_of(delayed_work, struct bat_priv, tt_work);
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct tt_local_entry *tt_local_entry;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
unsigned long timeout;
int i;
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
- hlist_for_each_entry_safe(hna_local_entry, node, node_tmp,
+ hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
head, hash_entry) {
- if (hna_local_entry->never_purge)
+ if (tt_local_entry->never_purge)
continue;
- timeout = hna_local_entry->last_seen;
- timeout += LOCAL_HNA_TIMEOUT * HZ;
+ timeout = tt_local_entry->last_seen;
+ timeout += TT_LOCAL_TIMEOUT * HZ;
if (time_before(jiffies, timeout))
continue;
- hna_local_del(bat_priv, hna_local_entry,
+ tt_local_del(bat_priv, tt_local_entry,
"address timed out");
}
}
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
- hna_local_start_timer(bat_priv);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
+ tt_local_start_timer(bat_priv);
}
-void hna_local_free(struct bat_priv *bat_priv)
+void tt_local_free(struct bat_priv *bat_priv)
{
- if (!bat_priv->hna_local_hash)
+ if (!bat_priv->tt_local_hash)
return;
- cancel_delayed_work_sync(&bat_priv->hna_work);
- hash_delete(bat_priv->hna_local_hash, _hna_local_del, bat_priv);
- bat_priv->hna_local_hash = NULL;
+ cancel_delayed_work_sync(&bat_priv->tt_work);
+ hash_delete(bat_priv->tt_local_hash, _tt_local_del, bat_priv);
+ bat_priv->tt_local_hash = NULL;
}
-int hna_global_init(struct bat_priv *bat_priv)
+int tt_global_init(struct bat_priv *bat_priv)
{
- if (bat_priv->hna_global_hash)
+ if (bat_priv->tt_global_hash)
return 1;
- bat_priv->hna_global_hash = hash_new(1024);
+ bat_priv->tt_global_hash = hash_new(1024);
- if (!bat_priv->hna_global_hash)
+ if (!bat_priv->tt_global_hash)
return 0;
return 1;
}
-void hna_global_add_orig(struct bat_priv *bat_priv,
+void tt_global_add_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node,
- unsigned char *hna_buff, int hna_buff_len)
+ unsigned char *tt_buff, int tt_buff_len)
{
- struct hna_global_entry *hna_global_entry;
- struct hna_local_entry *hna_local_entry;
- int hna_buff_count = 0;
- unsigned char *hna_ptr;
+ struct tt_global_entry *tt_global_entry;
+ struct tt_local_entry *tt_local_entry;
+ int tt_buff_count = 0;
+ unsigned char *tt_ptr;
- while ((hna_buff_count + 1) * ETH_ALEN <= hna_buff_len) {
- spin_lock_bh(&bat_priv->hna_ghash_lock);
+ while ((tt_buff_count + 1) * ETH_ALEN <= tt_buff_len) {
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
- hna_ptr = hna_buff + (hna_buff_count * ETH_ALEN);
- hna_global_entry = hna_global_hash_find(bat_priv, hna_ptr);
+ tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
+ tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
- if (!hna_global_entry) {
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ if (!tt_global_entry) {
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
- hna_global_entry =
- kmalloc(sizeof(struct hna_global_entry),
+ tt_global_entry =
+ kmalloc(sizeof(struct tt_global_entry),
GFP_ATOMIC);
- if (!hna_global_entry)
+ if (!tt_global_entry)
break;
- memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
+ memcpy(tt_global_entry->addr, tt_ptr, ETH_ALEN);
bat_dbg(DBG_ROUTES, bat_priv,
- "Creating new global hna entry: "
+ "Creating new global tt entry: "
"%pM (via %pM)\n",
- hna_global_entry->addr, orig_node->orig);
+ tt_global_entry->addr, orig_node->orig);
- spin_lock_bh(&bat_priv->hna_ghash_lock);
- hash_add(bat_priv->hna_global_hash, compare_ghna,
- choose_orig, hna_global_entry,
- &hna_global_entry->hash_entry);
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
+ hash_add(bat_priv->tt_global_hash, compare_gtt,
+ choose_orig, tt_global_entry,
+ &tt_global_entry->hash_entry);
}
- hna_global_entry->orig_node = orig_node;
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ tt_global_entry->orig_node = orig_node;
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
/* remove address from local hash if present */
- spin_lock_bh(&bat_priv->hna_lhash_lock);
+ spin_lock_bh(&bat_priv->tt_lhash_lock);
- hna_ptr = hna_buff + (hna_buff_count * ETH_ALEN);
- hna_local_entry = hna_local_hash_find(bat_priv, hna_ptr);
+ tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
+ tt_local_entry = tt_local_hash_find(bat_priv, tt_ptr);
- if (hna_local_entry)
- hna_local_del(bat_priv, hna_local_entry,
- "global hna received");
+ if (tt_local_entry)
+ tt_local_del(bat_priv, tt_local_entry,
+ "global tt received");
- spin_unlock_bh(&bat_priv->hna_lhash_lock);
+ spin_unlock_bh(&bat_priv->tt_lhash_lock);
- hna_buff_count++;
+ tt_buff_count++;
}
/* initialize, and overwrite if malloc succeeds */
- orig_node->hna_buff = NULL;
- orig_node->hna_buff_len = 0;
-
- if (hna_buff_len > 0) {
- orig_node->hna_buff = kmalloc(hna_buff_len, GFP_ATOMIC);
- if (orig_node->hna_buff) {
- memcpy(orig_node->hna_buff, hna_buff, hna_buff_len);
- orig_node->hna_buff_len = hna_buff_len;
+ orig_node->tt_buff = NULL;
+ orig_node->tt_buff_len = 0;
+
+ if (tt_buff_len > 0) {
+ orig_node->tt_buff = kmalloc(tt_buff_len, GFP_ATOMIC);
+ if (orig_node->tt_buff) {
+ memcpy(orig_node->tt_buff, tt_buff, tt_buff_len);
+ orig_node->tt_buff_len = tt_buff_len;
}
}
}
-int hna_global_seq_print_text(struct seq_file *seq, void *offset)
+int tt_global_seq_print_text(struct seq_file *seq, void *offset)
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev);
- struct hashtable_t *hash = bat_priv->hna_global_hash;
- struct hna_global_entry *hna_global_entry;
+ struct hashtable_t *hash = bat_priv->tt_global_hash;
+ struct tt_global_entry *tt_global_entry;
+ struct hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
size_t buf_size, pos;
char *buff;
- int i;
+ int i, ret = 0;
- if (!bat_priv->primary_if) {
- return seq_printf(seq, "BATMAN mesh %s disabled - "
- "please specify interfaces to enable it\n",
- net_dev->name);
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if) {
+ ret = seq_printf(seq, "BATMAN mesh %s disabled - please "
+ "specify interfaces to enable it\n",
+ net_dev->name);
+ goto out;
}
- seq_printf(seq, "Globally announced HNAs received via the mesh %s\n",
+ if (primary_if->if_status != IF_ACTIVE) {
+ ret = seq_printf(seq, "BATMAN mesh %s disabled - "
+ "primary interface not active\n",
+ net_dev->name);
+ goto out;
+ }
+
+ seq_printf(seq,
+ "Globally announced TT entries received via the mesh %s\n",
net_dev->name);
- spin_lock_bh(&bat_priv->hna_ghash_lock);
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
buf_size = 1;
/* Estimate length for: " * xx:xx:xx:xx:xx:xx via xx:xx:xx:xx:xx:xx\n"*/
@@ -498,8 +524,9 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset)
buff = kmalloc(buf_size, GFP_ATOMIC);
if (!buff) {
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
- return -ENOMEM;
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
+ ret = -ENOMEM;
+ goto out;
}
buff[0] = '\0';
pos = 0;
@@ -508,101 +535,104 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset)
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(hna_global_entry, node,
+ hlist_for_each_entry_rcu(tt_global_entry, node,
head, hash_entry) {
pos += snprintf(buff + pos, 44,
" * %pM via %pM\n",
- hna_global_entry->addr,
- hna_global_entry->orig_node->orig);
+ tt_global_entry->addr,
+ tt_global_entry->orig_node->orig);
}
rcu_read_unlock();
}
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
seq_printf(seq, "%s", buff);
kfree(buff);
- return 0;
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ return ret;
}
-static void _hna_global_del_orig(struct bat_priv *bat_priv,
- struct hna_global_entry *hna_global_entry,
+static void _tt_global_del_orig(struct bat_priv *bat_priv,
+ struct tt_global_entry *tt_global_entry,
char *message)
{
bat_dbg(DBG_ROUTES, bat_priv,
- "Deleting global hna entry %pM (via %pM): %s\n",
- hna_global_entry->addr, hna_global_entry->orig_node->orig,
+ "Deleting global tt entry %pM (via %pM): %s\n",
+ tt_global_entry->addr, tt_global_entry->orig_node->orig,
message);
- hash_remove(bat_priv->hna_global_hash, compare_ghna, choose_orig,
- hna_global_entry->addr);
- kfree(hna_global_entry);
+ hash_remove(bat_priv->tt_global_hash, compare_gtt, choose_orig,
+ tt_global_entry->addr);
+ kfree(tt_global_entry);
}
-void hna_global_del_orig(struct bat_priv *bat_priv,
+void tt_global_del_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node, char *message)
{
- struct hna_global_entry *hna_global_entry;
- int hna_buff_count = 0;
- unsigned char *hna_ptr;
+ struct tt_global_entry *tt_global_entry;
+ int tt_buff_count = 0;
+ unsigned char *tt_ptr;
- if (orig_node->hna_buff_len == 0)
+ if (orig_node->tt_buff_len == 0)
return;
- spin_lock_bh(&bat_priv->hna_ghash_lock);
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
- while ((hna_buff_count + 1) * ETH_ALEN <= orig_node->hna_buff_len) {
- hna_ptr = orig_node->hna_buff + (hna_buff_count * ETH_ALEN);
- hna_global_entry = hna_global_hash_find(bat_priv, hna_ptr);
+ while ((tt_buff_count + 1) * ETH_ALEN <= orig_node->tt_buff_len) {
+ tt_ptr = orig_node->tt_buff + (tt_buff_count * ETH_ALEN);
+ tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
- if ((hna_global_entry) &&
- (hna_global_entry->orig_node == orig_node))
- _hna_global_del_orig(bat_priv, hna_global_entry,
+ if ((tt_global_entry) &&
+ (tt_global_entry->orig_node == orig_node))
+ _tt_global_del_orig(bat_priv, tt_global_entry,
message);
- hna_buff_count++;
+ tt_buff_count++;
}
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
- orig_node->hna_buff_len = 0;
- kfree(orig_node->hna_buff);
- orig_node->hna_buff = NULL;
+ orig_node->tt_buff_len = 0;
+ kfree(orig_node->tt_buff);
+ orig_node->tt_buff = NULL;
}
-static void hna_global_del(struct hlist_node *node, void *arg)
+static void tt_global_del(struct hlist_node *node, void *arg)
{
- void *data = container_of(node, struct hna_global_entry, hash_entry);
+ void *data = container_of(node, struct tt_global_entry, hash_entry);
kfree(data);
}
-void hna_global_free(struct bat_priv *bat_priv)
+void tt_global_free(struct bat_priv *bat_priv)
{
- if (!bat_priv->hna_global_hash)
+ if (!bat_priv->tt_global_hash)
return;
- hash_delete(bat_priv->hna_global_hash, hna_global_del, NULL);
- bat_priv->hna_global_hash = NULL;
+ hash_delete(bat_priv->tt_global_hash, tt_global_del, NULL);
+ bat_priv->tt_global_hash = NULL;
}
struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr)
{
- struct hna_global_entry *hna_global_entry;
+ struct tt_global_entry *tt_global_entry;
struct orig_node *orig_node = NULL;
- spin_lock_bh(&bat_priv->hna_ghash_lock);
- hna_global_entry = hna_global_hash_find(bat_priv, addr);
+ spin_lock_bh(&bat_priv->tt_ghash_lock);
+ tt_global_entry = tt_global_hash_find(bat_priv, addr);
- if (!hna_global_entry)
+ if (!tt_global_entry)
goto out;
- if (!atomic_inc_not_zero(&hna_global_entry->orig_node->refcount))
+ if (!atomic_inc_not_zero(&tt_global_entry->orig_node->refcount))
goto out;
- orig_node = hna_global_entry->orig_node;
+ orig_node = tt_global_entry->orig_node;
out:
- spin_unlock_bh(&bat_priv->hna_ghash_lock);
+ spin_unlock_bh(&bat_priv->tt_ghash_lock);
return orig_node;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 02:25:03 +0300