#include <linux/crc16.h>
-static void 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_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
+ struct orig_node *orig_node);
+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);
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,
- const void *data)
+static struct tt_common_entry *batadv_tt_hash_find(struct hashtable_t *hash,
+ const void *data)
{
struct hlist_head *head;
struct hlist_node *node;
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);
}
-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;
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;
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;
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;
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;
*/
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) {
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,
- orig_entry->orig_node);
+ batadv_send_roam_adv(bat_priv,
+ tt_global_entry->common.addr,
+ orig_entry->orig_node);
}
rcu_read_unlock();
/* The global entry has to be marked as ROAMING and
}
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,
- int new_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;
}
}
-static void tt_prepare_packet_buff(struct bat_priv *bat_priv,
- unsigned char **packet_buff,
- int *packet_buff_len, int min_packet_len)
+static void batadv_tt_prepare_packet_buff(struct bat_priv *bat_priv,
+ unsigned char **packet_buff,
+ int *packet_buff_len,
+ int min_packet_len)
{
struct hard_iface *primary_if;
int req_len;
if ((!primary_if) || (req_len > primary_if->soft_iface->mtu))
req_len = min_packet_len;
- tt_realloc_packet_buff(packet_buff, packet_buff_len,
- min_packet_len, req_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,
- unsigned char **packet_buff,
- int *packet_buff_len, int min_packet_len)
+static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv,
+ unsigned char **packet_buff,
+ 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,
- packet_buff_len, min_packet_len);
+ batadv_tt_prepare_packet_buff(bat_priv, packet_buff,
+ packet_buff_len, min_packet_len);
new_len = *packet_buff_len - min_packet_len;
tt_buff = *packet_buff + min_packet_len;
return ret;
}
-static void tt_local_set_pending(struct bat_priv *bat_priv,
- struct tt_local_entry *tt_local_entry,
- uint16_t flags, const char *message)
+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,
- tt_local_entry->common.flags | flags);
+ 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
* to be kept in the table in order to send it in a full table
{
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;
TT_LOCAL_TIMEOUT))
continue;
- tt_local_set_pending(bat_priv, tt_local_entry,
- TT_CLIENT_DEL, "timed out");
+ batadv_tt_local_set_pending(bat_priv, tt_local_entry,
+ TT_CLIENT_DEL, "timed out");
}
spin_unlock_bh(list_lock);
}
}
-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 */
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);
}
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;
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;
/* 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,
- const struct orig_node *orig_node)
+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;
const struct hlist_head *head;
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;
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),
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. */
* 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)
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,
- struct seq_file *seq)
+static void
+batadv_tt_global_print_entry(struct tt_global_entry *tt_global_entry,
+ struct seq_file *seq)
{
struct hlist_head *head;
struct hlist_node *node;
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();
}
}
/* 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;
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,
- struct tt_global_entry *tt_global_entry,
- struct orig_node *orig_node,
- const char *message)
+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)
{
struct hlist_head *head;
struct hlist_node *node, *safe;
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,
- struct tt_global_entry *tt_global_entry,
- const char *message)
+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);
}
* 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,
- struct tt_global_entry *tt_global_entry,
- struct orig_node *orig_node,
- const char *message)
+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)
{
bool last_entry = true;
struct hlist_head *head;
/* 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,
- orig_node, message);
+ batadv_tt_global_del_orig_entry(bat_priv, tt_global_entry,
+ orig_node, message);
}
-static void tt_global_del(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const unsigned char *addr,
- const char *message, bool roaming)
+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,
- message);
+ batadv_tt_global_del_struct(bat_priv, tt_global_entry,
+ message);
goto out;
}
* 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,
- tt_global_entry->common.addr);
- if (tt_local_entry) {
+ local_entry = batadv_tt_local_hash_find(bat_priv,
+ tt_global_entry->common.addr);
+ 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;
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,
- struct tt_global_entry,
- common);
+ global_entry = container_of(tt_common_entry,
+ struct tt_global_entry,
+ common);
- tt_global_del_orig_entry(bat_priv, tt_global_entry,
- orig_node, message);
+ 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);
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;
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 */
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);
}
bat_priv->tt_global_hash = NULL;
}
-static bool _is_ap_isolated(struct tt_local_entry *tt_local_entry,
- struct tt_global_entry *tt_global_entry)
+static bool _batadv_is_ap_isolated(struct tt_local_entry *tt_local_entry,
+ struct tt_global_entry *tt_global_entry)
{
bool ret = false;
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;
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,
- struct orig_node *orig_node)
+static uint16_t batadv_tt_global_crc(struct bat_priv *bat_priv,
+ struct orig_node *orig_node)
{
uint16_t total = 0, total_one;
struct hashtable_t *hash = bat_priv->tt_global_hash;
/* find out if this global entry is announced by this
* originator
*/
- if (!tt_global_entry_has_orig(tt_global_entry,
- orig_node))
+ if (!batadv_tt_global_entry_has_orig(tt_global_entry,
+ orig_node))
continue;
total_one = 0;
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;
spin_unlock_bh(&bat_priv->tt_req_list_lock);
}
-static void tt_save_orig_buffer(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- const unsigned char *tt_buff,
- uint8_t tt_num_changes)
+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)
{
uint16_t tt_buff_len = batadv_tt_len(tt_num_changes);
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;
/* 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,
- struct orig_node *orig_node)
+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;
}
/* 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;
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;
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,
- struct hashtable_t *hash,
- struct hard_iface *primary_if,
- int (*valid_cb)(const void *,
- const void *),
- void *cb_data)
+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 *),
+ void *cb_data)
{
struct tt_common_entry *tt_common_entry;
struct tt_query_packet *tt_response;
return skb;
}
-static int send_tt_request(struct bat_priv *bat_priv,
- struct orig_node *dst_orig_node,
- uint8_t ttvn, uint16_t tt_crc, bool full_table)
+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)
{
struct sk_buff *skb = NULL;
struct tt_query_packet *tt_request;
/* 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;
return ret;
}
-static bool send_other_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+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;
struct neigh_node *neigh_node = NULL;
sizeof(struct tt_change);
ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
- skb = tt_response_fill_table(tt_len, ttvn,
- bat_priv->tt_global_hash,
- primary_if, tt_global_valid_entry,
- req_dst_orig_node);
+ skb = batadv_tt_response_fill_table(tt_len, ttvn,
+ bat_priv->tt_global_hash,
+ primary_if,
+ batadv_tt_global_valid,
+ req_dst_orig_node);
if (!skb)
goto out;
return ret;
}
-static bool send_my_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_request)
{
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
sizeof(struct tt_change);
ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
- skb = tt_response_fill_table(tt_len, ttvn,
- bat_priv->tt_local_hash,
- primary_if, tt_local_valid_entry,
- NULL);
+ skb = batadv_tt_response_fill_table(tt_len, ttvn,
+ bat_priv->tt_local_hash,
+ primary_if,
+ batadv_tt_local_valid_entry,
+ NULL);
if (!skb)
goto out;
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,
- struct orig_node *orig_node,
- struct tt_change *tt_change,
- uint16_t tt_num_changes, uint8_t ttvn)
+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,
- (tt_change + i)->addr,
- "tt removed by changes",
- (tt_change + i)->flags & TT_CLIENT_ROAM);
+ roams = (tt_change + i)->flags & TT_CLIENT_ROAM;
+ batadv_tt_global_del(bat_priv, orig_node,
+ (tt_change + i)->addr,
+ "tt removed by changes",
+ roams);
} else {
is_wifi = (tt_change + i)->flags & TT_CLIENT_WIFI;
if (!batadv_tt_global_add(bat_priv, orig_node,
orig_node->tt_initialised = true;
}
-static void tt_fill_gtable(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_response)
+static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_response)
{
struct orig_node *orig_node = NULL;
/* Purge the old table first.. */
batadv_tt_global_del_orig(bat_priv, orig_node, "Received full table");
- _tt_update_changes(bat_priv, orig_node,
- (struct tt_change *)(tt_response + 1),
- ntohs(tt_response->tt_data), tt_response->ttvn);
+ _batadv_tt_update_changes(bat_priv, orig_node,
+ (struct tt_change *)(tt_response + 1),
+ ntohs(tt_response->tt_data),
+ tt_response->ttvn);
spin_lock_bh(&orig_node->tt_buff_lock);
kfree(orig_node->tt_buff);
batadv_orig_node_free_ref(orig_node);
}
-static void 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)
+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);
}
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
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;
}
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,
- ntohs(tt_response->tt_data),
- tt_response->ttvn,
- (struct tt_change *)(tt_response + 1));
+ batadv_tt_update_changes(bat_priv, orig_node,
+ ntohs(tt_response->tt_data),
+ tt_response->ttvn,
+ (struct tt_change *)(tt_response + 1));
/* Delete the tt_req_node from pending tt_requests list */
spin_lock_bh(&bat_priv->tt_req_list_lock);
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
*/
{
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;
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;
*
* returns true if the ROAMING_ADV can be sent, false otherwise
*/
-static bool tt_check_roam_count(struct bat_priv *bat_priv,
- uint8_t *client)
+static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv,
+ uint8_t *client)
{
struct tt_roam_node *tt_roam_node;
bool ret = false;
return ret;
}
-static void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
- struct orig_node *orig_node)
+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;
struct sk_buff *skb = NULL;
/* 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);
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);
}
/* 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,
- bool enable)
+static uint16_t batadv_tt_set_flags(struct hashtable_t *hash, uint16_t flags,
+ bool enable)
{
uint32_t i;
uint16_t changed_num = 0;
}
/* 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;
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,
- TT_CLIENT_NEW, false);
+ 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 */
/* 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,
- packet_buff_len, packet_min_len);
+ return batadv_tt_changes_fill_buff(bat_priv, packet_buff,
+ packet_buff_len, packet_min_len);
}
/* when calling this function (hard_iface == primary_if) has to be true */
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,
- packet_min_len, packet_min_len);
+ batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
+ packet_min_len, packet_min_len);
tt_num_changes = 0;
}
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;
}
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
"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;
}
}
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;
}
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff