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Commit a513088d authored by Sven Eckelmann's avatar Sven Eckelmann Committed by Antonio Quartulli
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batman-adv: Prefix translation-table local static functions with batadv_ 

All non-static symbols of batman-adv were prefixed with batadv_ to avoid
collisions with other symbols of the kernel. Other symbols of batman-adv
should use the same prefix to keep the naming scheme consistent.
Signed-off-by: default avatarSven Eckelmann <sven@narfation.org>
parent 0294ca0d
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Showing with 282 additions and 258 deletions
net/batman-adv/translation-table.c
View file @ a513088d
......@@ -29,13 +29,14 @@
#include <linux/crc16.h>
static void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
struct orig_node *orig_node);
static void tt_purge(struct work_struct *work);
static void tt_global_del_orig_list(struct tt_global_entry *tt_global_entry);
static void batadv_tt_purge(struct work_struct *work);
static void
batadv_tt_global_del_orig_list(struct tt_global_entry *tt_global_entry);
/* returns 1 if they are the same mac addr */
static int compare_tt(const struct hlist_node *node, const void *data2)
static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
{
const void *data1 = container_of(node, struct tt_common_entry,
hash_entry);
......@@ -43,14 +44,14 @@ static int compare_tt(const struct hlist_node *node, const void *data2)
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
static void tt_start_timer(struct bat_priv *bat_priv)
static void batadv_tt_start_timer(struct bat_priv *bat_priv)
{
INIT_DELAYED_WORK(&bat_priv->tt_work, tt_purge);
INIT_DELAYED_WORK(&bat_priv->tt_work, batadv_tt_purge);
queue_delayed_work(batadv_event_workqueue, &bat_priv->tt_work,
msecs_to_jiffies(5000));
}
static struct tt_common_entry *tt_hash_find(struct hashtable_t *hash,
static struct tt_common_entry *batadv_tt_hash_find(struct hashtable_t *hash,
const void *data)
{
struct hlist_head *head;
......@@ -80,26 +81,26 @@ static struct tt_common_entry *tt_hash_find(struct hashtable_t *hash,
return tt_common_entry_tmp;
}
static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
const void *data)
static struct tt_local_entry *
batadv_tt_local_hash_find(struct bat_priv *bat_priv, const void *data)
{
struct tt_common_entry *tt_common_entry;
struct tt_local_entry *tt_local_entry = NULL;
tt_common_entry = tt_hash_find(bat_priv->tt_local_hash, data);
tt_common_entry = batadv_tt_hash_find(bat_priv->tt_local_hash, data);
if (tt_common_entry)
tt_local_entry = container_of(tt_common_entry,
struct tt_local_entry, common);
return tt_local_entry;
}
static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
const void *data)
static struct tt_global_entry *
batadv_tt_global_hash_find(struct bat_priv *bat_priv, const void *data)
{
struct tt_common_entry *tt_common_entry;
struct tt_global_entry *tt_global_entry = NULL;
tt_common_entry = tt_hash_find(bat_priv->tt_global_hash, data);
tt_common_entry = batadv_tt_hash_find(bat_priv->tt_global_hash, data);
if (tt_common_entry)
tt_global_entry = container_of(tt_common_entry,
struct tt_global_entry, common);
......@@ -107,13 +108,14 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
}
static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
static void
batadv_tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
{
if (atomic_dec_and_test(&tt_local_entry->common.refcount))
kfree_rcu(tt_local_entry, common.rcu);
}
static void tt_global_entry_free_rcu(struct rcu_head *rcu)
static void batadv_tt_global_entry_free_rcu(struct rcu_head *rcu)
{
struct tt_common_entry *tt_common_entry;
struct tt_global_entry *tt_global_entry;
......@@ -125,16 +127,17 @@ static void tt_global_entry_free_rcu(struct rcu_head *rcu)
kfree(tt_global_entry);
}
static void tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry)
static void
batadv_tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry)
{
if (atomic_dec_and_test(&tt_global_entry->common.refcount)) {
tt_global_del_orig_list(tt_global_entry);
batadv_tt_global_del_orig_list(tt_global_entry);
call_rcu(&tt_global_entry->common.rcu,
tt_global_entry_free_rcu);
batadv_tt_global_entry_free_rcu);
}
}
static void tt_orig_list_entry_free_rcu(struct rcu_head *rcu)
static void batadv_tt_orig_list_entry_free_rcu(struct rcu_head *rcu)
{
struct tt_orig_list_entry *orig_entry;
......@@ -144,13 +147,14 @@ static void tt_orig_list_entry_free_rcu(struct rcu_head *rcu)
kfree(orig_entry);
}
static void tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry)
static void
batadv_tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry)
{
call_rcu(&orig_entry->rcu, tt_orig_list_entry_free_rcu);
call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu);
}
static void tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr,
uint8_t flags)
static void batadv_tt_local_event(struct bat_priv *bat_priv,
const uint8_t *addr, uint8_t flags)
{
struct tt_change_node *tt_change_node;
......@@ -176,7 +180,7 @@ int batadv_tt_len(int changes_num)
return changes_num * sizeof(struct tt_change);
}
static int tt_local_init(struct bat_priv *bat_priv)
static int batadv_tt_local_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_local_hash)
return 0;
......@@ -200,7 +204,7 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
struct tt_orig_list_entry *orig_entry;
int hash_added;
tt_local_entry = tt_local_hash_find(bat_priv, addr);
tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
if (tt_local_entry) {
tt_local_entry->last_seen = jiffies;
......@@ -234,21 +238,21 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
*/
tt_local_entry->common.flags |= TT_CLIENT_NEW;
hash_added = batadv_hash_add(bat_priv->tt_local_hash, compare_tt,
hash_added = batadv_hash_add(bat_priv->tt_local_hash, batadv_compare_tt,
batadv_choose_orig,
&tt_local_entry->common,
&tt_local_entry->common.hash_entry);
if (unlikely(hash_added != 0)) {
/* remove the reference for the hash */
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
goto out;
}
tt_local_event(bat_priv, addr, tt_local_entry->common.flags);
batadv_tt_local_event(bat_priv, addr, tt_local_entry->common.flags);
/* remove address from global hash if present */
tt_global_entry = tt_global_hash_find(bat_priv, addr);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
/* Check whether it is a roaming! */
if (tt_global_entry) {
......@@ -258,7 +262,8 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
hlist_for_each_entry_rcu(orig_entry, node, head, list) {
orig_entry->orig_node->tt_poss_change = true;
send_roam_adv(bat_priv, tt_global_entry->common.addr,
batadv_send_roam_adv(bat_priv,
tt_global_entry->common.addr,
orig_entry->orig_node);
}
rcu_read_unlock();
......@@ -270,13 +275,14 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
}
out:
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
}
static void tt_realloc_packet_buff(unsigned char **packet_buff,
int *packet_buff_len, int min_packet_len,
static void batadv_tt_realloc_packet_buff(unsigned char **packet_buff,
int *packet_buff_len,
int min_packet_len,
int new_packet_len)
{
unsigned char *new_buff;
......@@ -292,9 +298,10 @@ static void tt_realloc_packet_buff(unsigned char **packet_buff,
}
}
static void tt_prepare_packet_buff(struct bat_priv *bat_priv,
static void batadv_tt_prepare_packet_buff(struct bat_priv *bat_priv,
unsigned char **packet_buff,
int *packet_buff_len, int min_packet_len)
int *packet_buff_len,
int min_packet_len)
{
struct hard_iface *primary_if;
int req_len;
......@@ -310,22 +317,23 @@ static void tt_prepare_packet_buff(struct bat_priv *bat_priv,
if ((!primary_if) || (req_len > primary_if->soft_iface->mtu))
req_len = min_packet_len;
tt_realloc_packet_buff(packet_buff, packet_buff_len,
batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
min_packet_len, req_len);
if (primary_if)
batadv_hardif_free_ref(primary_if);
}
static int tt_changes_fill_buff(struct bat_priv *bat_priv,
static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv,
unsigned char **packet_buff,
int *packet_buff_len, int min_packet_len)
int *packet_buff_len,
int min_packet_len)
{
struct tt_change_node *entry, *safe;
int count = 0, tot_changes = 0, new_len;
unsigned char *tt_buff;
tt_prepare_packet_buff(bat_priv, packet_buff,
batadv_tt_prepare_packet_buff(bat_priv, packet_buff,
packet_buff_len, min_packet_len);
new_len = *packet_buff_len - min_packet_len;
......@@ -428,11 +436,11 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset)
return ret;
}
static void tt_local_set_pending(struct bat_priv *bat_priv,
static void batadv_tt_local_set_pending(struct bat_priv *bat_priv,
struct tt_local_entry *tt_local_entry,
uint16_t flags, const char *message)
{
tt_local_event(bat_priv, tt_local_entry->common.addr,
batadv_tt_local_event(bat_priv, tt_local_entry->common.addr,
tt_local_entry->common.flags | flags);
/* The local client has to be marked as "pending to be removed" but has
......@@ -451,18 +459,19 @@ void batadv_tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr,
{
struct tt_local_entry *tt_local_entry = NULL;
tt_local_entry = tt_local_hash_find(bat_priv, addr);
tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
if (!tt_local_entry)
goto out;
tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL |
(roaming ? TT_CLIENT_ROAM : NO_FLAGS), message);
batadv_tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL |
(roaming ? TT_CLIENT_ROAM : NO_FLAGS),
message);
out:
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
}
static void tt_local_purge(struct bat_priv *bat_priv)
static void batadv_tt_local_purge(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->tt_local_hash;
struct tt_local_entry *tt_local_entry;
......@@ -493,7 +502,7 @@ static void tt_local_purge(struct bat_priv *bat_priv)
TT_LOCAL_TIMEOUT))
continue;
tt_local_set_pending(bat_priv, tt_local_entry,
batadv_tt_local_set_pending(bat_priv, tt_local_entry,
TT_CLIENT_DEL, "timed out");
}
spin_unlock_bh(list_lock);
......@@ -501,7 +510,7 @@ static void tt_local_purge(struct bat_priv *bat_priv)
}
static void tt_local_table_free(struct bat_priv *bat_priv)
static void batadv_tt_local_table_free(struct bat_priv *bat_priv)
{
struct hashtable_t *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */
......@@ -527,7 +536,7 @@ static void tt_local_table_free(struct bat_priv *bat_priv)
tt_local_entry = container_of(tt_common_entry,
struct tt_local_entry,
common);
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
}
spin_unlock_bh(list_lock);
}
......@@ -537,7 +546,7 @@ static void tt_local_table_free(struct bat_priv *bat_priv)
bat_priv->tt_local_hash = NULL;
}
static int tt_global_init(struct bat_priv *bat_priv)
static int batadv_tt_global_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_global_hash)
return 0;
......@@ -550,7 +559,7 @@ static int tt_global_init(struct bat_priv *bat_priv)
return 0;
}
static void tt_changes_list_free(struct bat_priv *bat_priv)
static void batadv_tt_changes_list_free(struct bat_priv *bat_priv)
{
struct tt_change_node *entry, *safe;
......@@ -569,7 +578,7 @@ static void tt_changes_list_free(struct bat_priv *bat_priv)
/* find out if an orig_node is already in the list of a tt_global_entry.
* returns 1 if found, 0 otherwise
*/
static bool tt_global_entry_has_orig(const struct tt_global_entry *entry,
static bool batadv_tt_global_entry_has_orig(const struct tt_global_entry *entry,
const struct orig_node *orig_node)
{
struct tt_orig_list_entry *tmp_orig_entry;
......@@ -589,9 +598,9 @@ static bool tt_global_entry_has_orig(const struct tt_global_entry *entry,
return found;
}
static void tt_global_add_orig_entry(struct tt_global_entry *tt_global_entry,
struct orig_node *orig_node,
int ttvn)
static void
batadv_tt_global_add_orig_entry(struct tt_global_entry *tt_global_entry,
struct orig_node *orig_node, int ttvn)
{
struct tt_orig_list_entry *orig_entry;
......@@ -621,7 +630,7 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
int hash_added;
struct tt_common_entry *common;
tt_global_entry = tt_global_hash_find(bat_priv, tt_addr);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, tt_addr);
if (!tt_global_entry) {
tt_global_entry = kzalloc(sizeof(*tt_global_entry),
......@@ -640,16 +649,18 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
spin_lock_init(&tt_global_entry->list_lock);
hash_added = batadv_hash_add(bat_priv->tt_global_hash,
compare_tt, batadv_choose_orig,
common, &common->hash_entry);
batadv_compare_tt,
batadv_choose_orig, common,
&common->hash_entry);
if (unlikely(hash_added != 0)) {
/* remove the reference for the hash */
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
goto out_remove;
}
tt_global_add_orig_entry(tt_global_entry, orig_node, ttvn);
batadv_tt_global_add_orig_entry(tt_global_entry, orig_node,
ttvn);
} else {
/* there is already a global entry, use this one. */
......@@ -661,14 +672,15 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
* new one.
*/
if (tt_global_entry->common.flags & TT_CLIENT_ROAM) {
tt_global_del_orig_list(tt_global_entry);
batadv_tt_global_del_orig_list(tt_global_entry);
tt_global_entry->common.flags &= ~TT_CLIENT_ROAM;
tt_global_entry->roam_at = 0;
}
if (!tt_global_entry_has_orig(tt_global_entry, orig_node))
tt_global_add_orig_entry(tt_global_entry, orig_node,
ttvn);
if (!batadv_tt_global_entry_has_orig(tt_global_entry,
orig_node))
batadv_tt_global_add_orig_entry(tt_global_entry,
orig_node, ttvn);
}
if (wifi)
......@@ -685,14 +697,15 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
ret = 1;
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
return ret;
}
/* print all orig nodes who announce the address for this global entry.
* it is assumed that the caller holds rcu_read_lock();
*/
static void tt_global_print_entry(struct tt_global_entry *tt_global_entry,
static void
batadv_tt_global_print_entry(struct tt_global_entry *tt_global_entry,
struct seq_file *seq)
{
struct hlist_head *head;
......@@ -760,7 +773,7 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
tt_global_entry = container_of(tt_common_entry,
struct tt_global_entry,
common);
tt_global_print_entry(tt_global_entry, seq);
batadv_tt_global_print_entry(tt_global_entry, seq);
}
rcu_read_unlock();
}
......@@ -771,7 +784,8 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset)
}
/* deletes the orig list of a tt_global_entry */
static void tt_global_del_orig_list(struct tt_global_entry *tt_global_entry)
static void
batadv_tt_global_del_orig_list(struct tt_global_entry *tt_global_entry)
{
struct hlist_head *head;
struct hlist_node *node, *safe;
......@@ -781,13 +795,14 @@ static void tt_global_del_orig_list(struct tt_global_entry *tt_global_entry)
head = &tt_global_entry->orig_list;
hlist_for_each_entry_safe(orig_entry, node, safe, head, list) {
hlist_del_rcu(node);
tt_orig_list_entry_free_ref(orig_entry);
batadv_tt_orig_list_entry_free_ref(orig_entry);
}
spin_unlock_bh(&tt_global_entry->list_lock);
}
static void tt_global_del_orig_entry(struct bat_priv *bat_priv,
static void
batadv_tt_global_del_orig_entry(struct bat_priv *bat_priv,
struct tt_global_entry *tt_global_entry,
struct orig_node *orig_node,
const char *message)
......@@ -805,22 +820,22 @@ static void tt_global_del_orig_entry(struct bat_priv *bat_priv,
orig_node->orig,
tt_global_entry->common.addr, message);
hlist_del_rcu(node);
tt_orig_list_entry_free_ref(orig_entry);
batadv_tt_orig_list_entry_free_ref(orig_entry);
}
}
spin_unlock_bh(&tt_global_entry->list_lock);
}
static void tt_global_del_struct(struct bat_priv *bat_priv,
static void batadv_tt_global_del_struct(struct bat_priv *bat_priv,
struct tt_global_entry *tt_global_entry,
const char *message)
{
batadv_dbg(DBG_TT, bat_priv, "Deleting global tt entry %pM: %s\n",
tt_global_entry->common.addr, message);
batadv_hash_remove(bat_priv->tt_global_hash, compare_tt,
batadv_hash_remove(bat_priv->tt_global_hash, batadv_compare_tt,
batadv_choose_orig, tt_global_entry->common.addr);
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
}
......@@ -828,10 +843,10 @@ static void tt_global_del_struct(struct bat_priv *bat_priv,
* within tt_global entry. If yes, we set the TT_CLIENT_ROAM flag and the timer,
* otherwise we simply remove the originator scheduled for deletion.
*/
static void tt_global_del_roaming(struct bat_priv *bat_priv,
static void
batadv_tt_global_del_roaming(struct bat_priv *bat_priv,
struct tt_global_entry *tt_global_entry,
struct orig_node *orig_node,
const char *message)
struct orig_node *orig_node, const char *message)
{
bool last_entry = true;
struct hlist_head *head;
......@@ -860,30 +875,30 @@ static void tt_global_del_roaming(struct bat_priv *bat_priv,
/* there is another entry, we can simply delete this
* one and can still use the other one.
*/
tt_global_del_orig_entry(bat_priv, tt_global_entry,
batadv_tt_global_del_orig_entry(bat_priv, tt_global_entry,
orig_node, message);
}
static void tt_global_del(struct bat_priv *bat_priv,
static void batadv_tt_global_del(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const unsigned char *addr,
const char *message, bool roaming)
{
struct tt_global_entry *tt_global_entry = NULL;
struct tt_local_entry *tt_local_entry = NULL;
struct tt_local_entry *local_entry = NULL;
tt_global_entry = tt_global_hash_find(bat_priv, addr);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
goto out;
if (!roaming) {
tt_global_del_orig_entry(bat_priv, tt_global_entry, orig_node,
message);
batadv_tt_global_del_orig_entry(bat_priv, tt_global_entry,
orig_node, message);
if (hlist_empty(&tt_global_entry->orig_list))
tt_global_del_struct(bat_priv, tt_global_entry,
batadv_tt_global_del_struct(bat_priv, tt_global_entry,
message);
goto out;
......@@ -902,29 +917,29 @@ static void tt_global_del(struct bat_priv *bat_priv,
* 2) the client roamed to us => we can directly delete
* the global entry, since it is useless now.
*/
tt_local_entry = tt_local_hash_find(bat_priv,
local_entry = batadv_tt_local_hash_find(bat_priv,
tt_global_entry->common.addr);
if (tt_local_entry) {
if (local_entry) {
/* local entry exists, case 2: client roamed to us. */
tt_global_del_orig_list(tt_global_entry);
tt_global_del_struct(bat_priv, tt_global_entry, message);
batadv_tt_global_del_orig_list(tt_global_entry);
batadv_tt_global_del_struct(bat_priv, tt_global_entry, message);
} else
/* no local entry exists, case 1: check for roaming */
tt_global_del_roaming(bat_priv, tt_global_entry, orig_node,
message);
batadv_tt_global_del_roaming(bat_priv, tt_global_entry,
orig_node, message);
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
if (local_entry)
batadv_tt_local_entry_free_ref(local_entry);
}
void batadv_tt_global_del_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node, const char *message)
{
struct tt_global_entry *tt_global_entry;
struct tt_global_entry *global_entry;
struct tt_common_entry *tt_common_entry;
uint32_t i;
struct hashtable_t *hash = bat_priv->tt_global_hash;
......@@ -942,20 +957,19 @@ void batadv_tt_global_del_orig(struct bat_priv *bat_priv,
spin_lock_bh(list_lock);
hlist_for_each_entry_safe(tt_common_entry, node, safe,
head, hash_entry) {
tt_global_entry = container_of(tt_common_entry,
global_entry = container_of(tt_common_entry,
struct tt_global_entry,
common);
tt_global_del_orig_entry(bat_priv, tt_global_entry,
batadv_tt_global_del_orig_entry(bat_priv, global_entry,
orig_node, message);
if (hlist_empty(&tt_global_entry->orig_list)) {
if (hlist_empty(&global_entry->orig_list)) {
batadv_dbg(DBG_TT, bat_priv,
"Deleting global tt entry %pM: %s\n",
tt_global_entry->common.addr,
message);
global_entry->common.addr, message);
hlist_del_rcu(node);
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(global_entry);
}
}
spin_unlock_bh(list_lock);
......@@ -964,7 +978,7 @@ void batadv_tt_global_del_orig(struct bat_priv *bat_priv,
orig_node->tt_initialised = false;
}
static void tt_global_roam_purge(struct bat_priv *bat_priv)
static void batadv_tt_global_roam_purge(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->tt_global_hash;
struct tt_common_entry *tt_common_entry;
......@@ -995,14 +1009,14 @@ static void tt_global_roam_purge(struct bat_priv *bat_priv)
tt_global_entry->common.addr);
hlist_del_rcu(node);
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
}
spin_unlock_bh(list_lock);
}
}
static void tt_global_table_free(struct bat_priv *bat_priv)
static void batadv_tt_global_table_free(struct bat_priv *bat_priv)
{
struct hashtable_t *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */
......@@ -1028,7 +1042,7 @@ static void tt_global_table_free(struct bat_priv *bat_priv)
tt_global_entry = container_of(tt_common_entry,
struct tt_global_entry,
common);
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
}
spin_unlock_bh(list_lock);
}
......@@ -1038,7 +1052,7 @@ static void tt_global_table_free(struct bat_priv *bat_priv)
bat_priv->tt_global_hash = NULL;
}
static bool _is_ap_isolated(struct tt_local_entry *tt_local_entry,
static bool _batadv_is_ap_isolated(struct tt_local_entry *tt_local_entry,
struct tt_global_entry *tt_global_entry)
{
bool ret = false;
......@@ -1064,19 +1078,20 @@ struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv,
int best_tq;
if (src && atomic_read(&bat_priv->ap_isolation)) {
tt_local_entry = tt_local_hash_find(bat_priv, src);
tt_local_entry = batadv_tt_local_hash_find(bat_priv, src);
if (!tt_local_entry)
goto out;
}
tt_global_entry = tt_global_hash_find(bat_priv, addr);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
goto out;
/* check whether the clients should not communicate due to AP
* isolation
*/
if (tt_local_entry && _is_ap_isolated(tt_local_entry, tt_global_entry))
if (tt_local_entry &&
_batadv_is_ap_isolated(tt_local_entry, tt_global_entry))
goto out;
best_tq = 0;
......@@ -1100,15 +1115,15 @@ struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv,
rcu_read_unlock();
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
return orig_node;
}
/* Calculates the checksum of the local table of a given orig_node */
static uint16_t tt_global_crc(struct bat_priv *bat_priv,
static uint16_t batadv_tt_global_crc(struct bat_priv *bat_priv,
struct orig_node *orig_node)
{
uint16_t total = 0, total_one;
......@@ -1140,7 +1155,7 @@ static uint16_t tt_global_crc(struct bat_priv *bat_priv,
/* find out if this global entry is announced by this
* originator
*/
if (!tt_global_entry_has_orig(tt_global_entry,
if (!batadv_tt_global_entry_has_orig(tt_global_entry,
orig_node))
continue;
......@@ -1190,7 +1205,7 @@ static uint16_t batadv_tt_local_crc(struct bat_priv *bat_priv)
return total;
}
static void tt_req_list_free(struct bat_priv *bat_priv)
static void batadv_tt_req_list_free(struct bat_priv *bat_priv)
{
struct tt_req_node *node, *safe;
......@@ -1204,7 +1219,7 @@ static void tt_req_list_free(struct bat_priv *bat_priv)
spin_unlock_bh(&bat_priv->tt_req_list_lock);
}
static void tt_save_orig_buffer(struct bat_priv *bat_priv,
static void batadv_tt_save_orig_buffer(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const unsigned char *tt_buff,
uint8_t tt_num_changes)
......@@ -1227,7 +1242,7 @@ static void tt_save_orig_buffer(struct bat_priv *bat_priv,
spin_unlock_bh(&orig_node->tt_buff_lock);
}
static void tt_req_purge(struct bat_priv *bat_priv)
static void batadv_tt_req_purge(struct bat_priv *bat_priv)
{
struct tt_req_node *node, *safe;
......@@ -1244,7 +1259,7 @@ static void tt_req_purge(struct bat_priv *bat_priv)
/* returns the pointer to the new tt_req_node struct if no request
* has already been issued for this orig_node, NULL otherwise
*/
static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv,
static struct tt_req_node *batadv_new_tt_req_node(struct bat_priv *bat_priv,
struct orig_node *orig_node)
{
struct tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
......@@ -1271,7 +1286,8 @@ static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv,
}
/* data_ptr is useless here, but has to be kept to respect the prototype */
static int tt_local_valid_entry(const void *entry_ptr, const void *data_ptr)
static int batadv_tt_local_valid_entry(const void *entry_ptr,
const void *data_ptr)
{
const struct tt_common_entry *tt_common_entry = entry_ptr;
......@@ -1280,7 +1296,8 @@ static int tt_local_valid_entry(const void *entry_ptr, const void *data_ptr)
return 1;
}
static int tt_global_valid_entry(const void *entry_ptr, const void *data_ptr)
static int batadv_tt_global_valid(const void *entry_ptr,
const void *data_ptr)
{
const struct tt_common_entry *tt_common_entry = entry_ptr;
const struct tt_global_entry *tt_global_entry;
......@@ -1292,14 +1309,14 @@ static int tt_global_valid_entry(const void *entry_ptr, const void *data_ptr)
tt_global_entry = container_of(tt_common_entry, struct tt_global_entry,
common);
return tt_global_entry_has_orig(tt_global_entry, orig_node);
return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node);
}
static struct sk_buff *tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
static struct sk_buff *
batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
struct hashtable_t *hash,
struct hard_iface *primary_if,
int (*valid_cb)(const void *,
const void *),
int (*valid_cb)(const void *, const void *),
void *cb_data)
{
struct tt_common_entry *tt_common_entry;
......@@ -1361,9 +1378,10 @@ static struct sk_buff *tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
return skb;
}
static int send_tt_request(struct bat_priv *bat_priv,
static int batadv_send_tt_request(struct bat_priv *bat_priv,
struct orig_node *dst_orig_node,
uint8_t ttvn, uint16_t tt_crc, bool full_table)
uint8_t ttvn, uint16_t tt_crc,
bool full_table)
{
struct sk_buff *skb = NULL;
struct tt_query_packet *tt_request;
......@@ -1379,7 +1397,7 @@ static int send_tt_request(struct bat_priv *bat_priv,
/* The new tt_req will be issued only if I'm not waiting for a
* reply from the same orig_node yet
*/
tt_req_node = new_tt_req_node(bat_priv, dst_orig_node);
tt_req_node = batadv_new_tt_req_node(bat_priv, dst_orig_node);
if (!tt_req_node)
goto out;
......@@ -1434,7 +1452,7 @@ static int send_tt_request(struct bat_priv *bat_priv,
return ret;
}
static bool send_other_tt_response(struct bat_priv *bat_priv,
static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request)
{
struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
......@@ -1515,9 +1533,10 @@ static bool send_other_tt_response(struct bat_priv *bat_priv,
sizeof(struct tt_change);
ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
skb = tt_response_fill_table(tt_len, ttvn,
skb = batadv_tt_response_fill_table(tt_len, ttvn,
bat_priv->tt_global_hash,
primary_if, tt_global_valid_entry,
primary_if,
batadv_tt_global_valid,
req_dst_orig_node);
if (!skb)
goto out;
......@@ -1563,7 +1582,7 @@ static bool send_other_tt_response(struct bat_priv *bat_priv,
return ret;
}
static bool send_my_tt_response(struct bat_priv *bat_priv,
static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request)
{
struct orig_node *orig_node = NULL;
......@@ -1635,9 +1654,10 @@ static bool send_my_tt_response(struct bat_priv *bat_priv,
sizeof(struct tt_change);
ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
skb = tt_response_fill_table(tt_len, ttvn,
skb = batadv_tt_response_fill_table(tt_len, ttvn,
bat_priv->tt_local_hash,
primary_if, tt_local_valid_entry,
primary_if,
batadv_tt_local_valid_entry,
NULL);
if (!skb)
goto out;
......@@ -1689,26 +1709,28 @@ bool batadv_send_tt_response(struct bat_priv *bat_priv,
if (batadv_bla_is_backbone_gw_orig(bat_priv, tt_request->src))
return true;
return send_my_tt_response(bat_priv, tt_request);
return batadv_send_my_tt_response(bat_priv, tt_request);
} else {
return send_other_tt_response(bat_priv, tt_request);
return batadv_send_other_tt_response(bat_priv, tt_request);
}
}
static void _tt_update_changes(struct bat_priv *bat_priv,
static void _batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct tt_change *tt_change,
uint16_t tt_num_changes, uint8_t ttvn)
{
int i;
int is_wifi;
int roams;
for (i = 0; i < tt_num_changes; i++) {
if ((tt_change + i)->flags & TT_CLIENT_DEL) {
tt_global_del(bat_priv, orig_node,
roams = (tt_change + i)->flags & TT_CLIENT_ROAM;
batadv_tt_global_del(bat_priv, orig_node,
(tt_change + i)->addr,
"tt removed by changes",
(tt_change + i)->flags & TT_CLIENT_ROAM);
roams);
} else {
is_wifi = (tt_change + i)->flags & TT_CLIENT_WIFI;
if (!batadv_tt_global_add(bat_priv, orig_node,
......@@ -1726,7 +1748,7 @@ static void _tt_update_changes(struct bat_priv *bat_priv,
orig_node->tt_initialised = true;
}
static void tt_fill_gtable(struct bat_priv *bat_priv,
static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
struct tt_query_packet *tt_response)
{
struct orig_node *orig_node = NULL;
......@@ -1738,9 +1760,10 @@ static void tt_fill_gtable(struct bat_priv *bat_priv,
/* Purge the old table first.. */
batadv_tt_global_del_orig(bat_priv, orig_node, "Received full table");
_tt_update_changes(bat_priv, orig_node,
_batadv_tt_update_changes(bat_priv, orig_node,
(struct tt_change *)(tt_response + 1),
ntohs(tt_response->tt_data), tt_response->ttvn);
ntohs(tt_response->tt_data),
tt_response->ttvn);
spin_lock_bh(&orig_node->tt_buff_lock);
kfree(orig_node->tt_buff);
......@@ -1755,16 +1778,16 @@ static void tt_fill_gtable(struct bat_priv *bat_priv,
batadv_orig_node_free_ref(orig_node);
}
static void tt_update_changes(struct bat_priv *bat_priv,
static void batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
uint16_t tt_num_changes, uint8_t ttvn,
struct tt_change *tt_change)
{
_tt_update_changes(bat_priv, orig_node, tt_change, tt_num_changes,
ttvn);
_batadv_tt_update_changes(bat_priv, orig_node, tt_change,
tt_num_changes, ttvn);
tt_save_orig_buffer(bat_priv, orig_node, (unsigned char *)tt_change,
tt_num_changes);
batadv_tt_save_orig_buffer(bat_priv, orig_node,
(unsigned char *)tt_change, tt_num_changes);
atomic_set(&orig_node->last_ttvn, ttvn);
}
......@@ -1773,7 +1796,7 @@ bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr)
struct tt_local_entry *tt_local_entry = NULL;
bool ret = false;
tt_local_entry = tt_local_hash_find(bat_priv, addr);
tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
if (!tt_local_entry)
goto out;
/* Check if the client has been logically deleted (but is kept for
......@@ -1784,7 +1807,7 @@ bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr)
ret = true;
out:
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
return ret;
}
......@@ -1809,9 +1832,9 @@ void batadv_handle_tt_response(struct bat_priv *bat_priv,
goto out;
if (tt_response->flags & TT_FULL_TABLE)
tt_fill_gtable(bat_priv, tt_response);
batadv_tt_fill_gtable(bat_priv, tt_response);
else
tt_update_changes(bat_priv, orig_node,
batadv_tt_update_changes(bat_priv, orig_node,
ntohs(tt_response->tt_data),
tt_response->ttvn,
(struct tt_change *)(tt_response + 1));
......@@ -1827,7 +1850,7 @@ void batadv_handle_tt_response(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->tt_req_list_lock);
/* Recalculate the CRC for this orig_node and store it */
orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
orig_node->tt_crc = batadv_tt_global_crc(bat_priv, orig_node);
/* Roaming phase is over: tables are in sync again. I can
* unset the flag
*/
......@@ -1841,20 +1864,20 @@ int batadv_tt_init(struct bat_priv *bat_priv)
{
int ret;
ret = tt_local_init(bat_priv);
ret = batadv_tt_local_init(bat_priv);
if (ret < 0)
return ret;
ret = tt_global_init(bat_priv);
ret = batadv_tt_global_init(bat_priv);
if (ret < 0)
return ret;
tt_start_timer(bat_priv);
batadv_tt_start_timer(bat_priv);
return 1;
}
static void tt_roam_list_free(struct bat_priv *bat_priv)
static void batadv_tt_roam_list_free(struct bat_priv *bat_priv)
{
struct tt_roam_node *node, *safe;
......@@ -1868,7 +1891,7 @@ static void tt_roam_list_free(struct bat_priv *bat_priv)
spin_unlock_bh(&bat_priv->tt_roam_list_lock);
}
static void tt_roam_purge(struct bat_priv *bat_priv)
static void batadv_tt_roam_purge(struct bat_priv *bat_priv)
{
struct tt_roam_node *node, *safe;
......@@ -1889,7 +1912,7 @@ static void tt_roam_purge(struct bat_priv *bat_priv)
*
* returns true if the ROAMING_ADV can be sent, false otherwise
*/
static bool tt_check_roam_count(struct bat_priv *bat_priv,
static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv,
uint8_t *client)
{
struct tt_roam_node *tt_roam_node;
......@@ -1932,7 +1955,7 @@ static bool tt_check_roam_count(struct bat_priv *bat_priv,
return ret;
}
static void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
struct orig_node *orig_node)
{
struct neigh_node *neigh_node = NULL;
......@@ -1944,7 +1967,7 @@ static void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
/* before going on we have to check whether the client has
* already roamed to us too many times
*/
if (!tt_check_roam_count(bat_priv, client))
if (!batadv_tt_check_roam_count(bat_priv, client))
goto out;
skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
......@@ -1988,30 +2011,30 @@ static void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
return;
}
static void tt_purge(struct work_struct *work)
static void batadv_tt_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, tt_work);
tt_local_purge(bat_priv);
tt_global_roam_purge(bat_priv);
tt_req_purge(bat_priv);
tt_roam_purge(bat_priv);
batadv_tt_local_purge(bat_priv);
batadv_tt_global_roam_purge(bat_priv);
batadv_tt_req_purge(bat_priv);
batadv_tt_roam_purge(bat_priv);
tt_start_timer(bat_priv);
batadv_tt_start_timer(bat_priv);
}
void batadv_tt_free(struct bat_priv *bat_priv)
{
cancel_delayed_work_sync(&bat_priv->tt_work);
tt_local_table_free(bat_priv);
tt_global_table_free(bat_priv);
tt_req_list_free(bat_priv);
tt_changes_list_free(bat_priv);
tt_roam_list_free(bat_priv);
batadv_tt_local_table_free(bat_priv);
batadv_tt_global_table_free(bat_priv);
batadv_tt_req_list_free(bat_priv);
batadv_tt_changes_list_free(bat_priv);
batadv_tt_roam_list_free(bat_priv);
kfree(bat_priv->tt_buff);
}
......@@ -2019,7 +2042,7 @@ void batadv_tt_free(struct bat_priv *bat_priv)
/* This function will enable or disable the specified flags for all the entries
* in the given hash table and returns the number of modified entries
*/
static uint16_t tt_set_flags(struct hashtable_t *hash, uint16_t flags,
static uint16_t batadv_tt_set_flags(struct hashtable_t *hash, uint16_t flags,
bool enable)
{
uint32_t i;
......@@ -2055,7 +2078,7 @@ static uint16_t tt_set_flags(struct hashtable_t *hash, uint16_t flags,
}
/* Purge out all the tt local entries marked with TT_CLIENT_PENDING */
static void tt_local_purge_pending_clients(struct bat_priv *bat_priv)
static void batadv_tt_local_purge_pending_clients(struct bat_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->tt_local_hash;
struct tt_common_entry *tt_common_entry;
......@@ -2087,28 +2110,28 @@ static void tt_local_purge_pending_clients(struct bat_priv *bat_priv)
tt_local_entry = container_of(tt_common_entry,
struct tt_local_entry,
common);
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
}
spin_unlock_bh(list_lock);
}
}
static int tt_commit_changes(struct bat_priv *bat_priv,
unsigned char **packet_buff, int *packet_buff_len,
int packet_min_len)
static int batadv_tt_commit_changes(struct bat_priv *bat_priv,
unsigned char **packet_buff,
int *packet_buff_len, int packet_min_len)
{
uint16_t changed_num = 0;
if (atomic_read(&bat_priv->tt_local_changes) < 1)
return -ENOENT;
changed_num = tt_set_flags(bat_priv->tt_local_hash,
changed_num = batadv_tt_set_flags(bat_priv->tt_local_hash,
TT_CLIENT_NEW, false);
/* all reset entries have to be counted as local entries */
atomic_add(changed_num, &bat_priv->num_local_tt);
tt_local_purge_pending_clients(bat_priv);
batadv_tt_local_purge_pending_clients(bat_priv);
bat_priv->tt_crc = batadv_tt_local_crc(bat_priv);
/* Increment the TTVN only once per OGM interval */
......@@ -2121,7 +2144,7 @@ static int tt_commit_changes(struct bat_priv *bat_priv,
/* reset the sending counter */
atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);
return tt_changes_fill_buff(bat_priv, packet_buff,
return batadv_tt_changes_fill_buff(bat_priv, packet_buff,
packet_buff_len, packet_min_len);
}
......@@ -2133,13 +2156,14 @@ int batadv_tt_append_diff(struct bat_priv *bat_priv,
int tt_num_changes;
/* if at least one change happened */
tt_num_changes = tt_commit_changes(bat_priv, packet_buff,
packet_buff_len, packet_min_len);
tt_num_changes = batadv_tt_commit_changes(bat_priv, packet_buff,
packet_buff_len,
packet_min_len);
/* if the changes have been sent often enough */
if ((tt_num_changes < 0) &&
(!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) {
tt_realloc_packet_buff(packet_buff, packet_buff_len,
batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
packet_min_len, packet_min_len);
tt_num_changes = 0;
}
......@@ -2157,24 +2181,24 @@ bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src,
if (!atomic_read(&bat_priv->ap_isolation))
return false;
tt_local_entry = tt_local_hash_find(bat_priv, dst);
tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst);
if (!tt_local_entry)
goto out;
tt_global_entry = tt_global_hash_find(bat_priv, src);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, src);
if (!tt_global_entry)
goto out;
if (_is_ap_isolated(tt_local_entry, tt_global_entry))
if (_batadv_is_ap_isolated(tt_local_entry, tt_global_entry))
goto out;
ret = false;
out:
if (tt_global_entry)
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
if (tt_local_entry)
tt_local_entry_free_ref(tt_local_entry);
batadv_tt_local_entry_free_ref(tt_local_entry);
return ret;
}
......@@ -2204,14 +2228,14 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
goto request_table;
}
tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
(struct tt_change *)tt_buff);
batadv_tt_update_changes(bat_priv, orig_node, tt_num_changes,
ttvn, (struct tt_change *)tt_buff);
/* Even if we received the precomputed crc with the OGM, we
* prefer to recompute it to spot any possible inconsistency
* in the global table
*/
orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
orig_node->tt_crc = batadv_tt_global_crc(bat_priv, orig_node);
/* The ttvn alone is not enough to guarantee consistency
* because a single value could represent different states
......@@ -2240,8 +2264,8 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
"TT inconsistency for %pM. Need to retrieve the correct information (ttvn: %u last_ttvn: %u crc: %u last_crc: %u num_changes: %u)\n",
orig_node->orig, ttvn, orig_ttvn, tt_crc,
orig_node->tt_crc, tt_num_changes);
send_tt_request(bat_priv, orig_node, ttvn, tt_crc,
full_table);
batadv_send_tt_request(bat_priv, orig_node, ttvn,
tt_crc, full_table);
return;
}
}
......@@ -2257,12 +2281,12 @@ bool batadv_tt_global_client_is_roaming(struct bat_priv *bat_priv,
struct tt_global_entry *tt_global_entry;
bool ret = false;
tt_global_entry = tt_global_hash_find(bat_priv, addr);
tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
goto out;
ret = tt_global_entry->common.flags & TT_CLIENT_ROAM;
tt_global_entry_free_ref(tt_global_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
out:
return ret;
}
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