The following commit has been merged in the next branch:
commit d03cfc8f9a24ca036e655a4bc8ba7e834ea71943
Merge: de2a45e29e4c048f800d8b8e12d4549c81acd7c9 d1f13e24ec3ebdadc2bc08c9d4708197279096fa
Author: Marek Lindner <lindner_marek(a)yahoo.de>
Date: Fri Jun 22 21:00:19 2012 +0200
Merge branch 'maint' into next
Conflicts:
translation-table.c
diff --combined translation-table.c
index ab7618a,2ab83d7..245cc9a
--- a/translation-table.c
+++ b/translation-table.c
@@@ -1,4 -1,5 +1,4 @@@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich, Antonio Quartulli
*
@@@ -15,6 -16,7 +15,6 @@@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
- *
*/
#include "main.h"
@@@ -29,46 -31,44 +29,46 @@@
#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 batadv_priv *bat_priv, uint8_t *client,
+ struct batadv_orig_node *orig_node);
+static void batadv_tt_purge(struct work_struct *work);
+static void
+batadv_tt_global_del_orig_list(struct batadv_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,
+ const void *data1 = container_of(node, struct batadv_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 batadv_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->tt_work, tt_purge);
- queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work,
+ 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 batadv_tt_common_entry *
+batadv_tt_hash_find(struct batadv_hashtable *hash, const void *data)
{
struct hlist_head *head;
struct hlist_node *node;
- struct tt_common_entry *tt_common_entry, *tt_common_entry_tmp = NULL;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_common_entry *tt_common_entry_tmp = NULL;
uint32_t index;
if (!hash)
return NULL;
- index = choose_orig(data, hash->size);
+ index = batadv_choose_orig(data, hash->size);
head = &hash->table[index];
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) {
- if (!compare_eth(tt_common_entry, data))
+ if (!batadv_compare_eth(tt_common_entry, data))
continue;
if (!atomic_inc_not_zero(&tt_common_entry->refcount))
@@@ -82,86 -82,80 +82,87 @@@
return tt_common_entry_tmp;
}
-static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
- const void *data)
+static struct batadv_tt_local_entry *
+batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const void *data)
{
- struct tt_common_entry *tt_common_entry;
- struct tt_local_entry *tt_local_entry = NULL;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_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);
+ struct batadv_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 batadv_tt_global_entry *
+batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const void *data)
{
- struct tt_common_entry *tt_common_entry;
- struct tt_global_entry *tt_global_entry = NULL;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_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);
+ struct batadv_tt_global_entry,
+ common);
return tt_global_entry;
}
-static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
+static void
+batadv_tt_local_entry_free_ref(struct batadv_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;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_global_entry *tt_global_entry;
- tt_common_entry = container_of(rcu, struct tt_common_entry, rcu);
- tt_global_entry = container_of(tt_common_entry, struct tt_global_entry,
- common);
+ tt_common_entry = container_of(rcu, struct batadv_tt_common_entry, rcu);
+ tt_global_entry = container_of(tt_common_entry,
+ struct batadv_tt_global_entry, common);
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 batadv_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;
+ struct batadv_tt_orig_list_entry *orig_entry;
- orig_entry = container_of(rcu, struct tt_orig_list_entry, rcu);
- orig_node_free_ref(orig_entry->orig_node);
+ orig_entry = container_of(rcu, struct batadv_tt_orig_list_entry, rcu);
- atomic_dec(&orig_entry->orig_node->tt_size);
+ batadv_orig_node_free_ref(orig_entry->orig_node);
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 batadv_tt_orig_list_entry *orig_entry)
{
+ /* to avoid race conditions, immediately decrease the tt counter */
+ atomic_dec(&orig_entry->orig_node->tt_size);
- 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 batadv_priv *bat_priv,
+ const uint8_t *addr, uint8_t flags)
{
- struct tt_change_node *tt_change_node;
+ struct batadv_tt_change_node *tt_change_node, *entry, *safe;
+ bool event_removed = false;
+ bool del_op_requested, del_op_entry;
tt_change_node = kmalloc(sizeof(*tt_change_node), GFP_ATOMIC);
@@@ -171,82 -165,50 +172,82 @@@
tt_change_node->change.flags = flags;
memcpy(tt_change_node->change.addr, addr, ETH_ALEN);
+ del_op_requested = flags & BATADV_TT_CLIENT_DEL;
+
+ /* check for ADD+DEL or DEL+ADD events */
spin_lock_bh(&bat_priv->tt_changes_list_lock);
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ list) {
+ if (!batadv_compare_eth(entry->change.addr, addr))
+ continue;
+
+ /* DEL+ADD in the same orig interval have no effect and can be
+ * removed to avoid silly behaviour on the receiver side. The
+ * other way around (ADD+DEL) can happen in case of roaming of
+ * a client still in the NEW state. Roaming of NEW clients is
+ * now possible due to automatically recognition of "temporary"
+ * clients
+ */
+ del_op_entry = entry->change.flags & BATADV_TT_CLIENT_DEL;
+ if (!del_op_requested && del_op_entry)
+ goto del;
+ if (del_op_requested && !del_op_entry)
+ goto del;
+ continue;
+del:
+ list_del(&entry->list);
+ kfree(entry);
+ event_removed = true;
+ goto unlock;
+ }
+
/* track the change in the OGMinterval list */
list_add_tail(&tt_change_node->list, &bat_priv->tt_changes_list);
- atomic_inc(&bat_priv->tt_local_changes);
+
+unlock:
spin_unlock_bh(&bat_priv->tt_changes_list_lock);
- atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+ if (event_removed)
+ atomic_dec(&bat_priv->tt_local_changes);
+ else
+ atomic_inc(&bat_priv->tt_local_changes);
}
-int tt_len(int changes_num)
+int batadv_tt_len(int changes_num)
{
- return changes_num * sizeof(struct tt_change);
+ return changes_num * sizeof(struct batadv_tt_change);
}
-static int tt_local_init(struct bat_priv *bat_priv)
+static int batadv_tt_local_init(struct batadv_priv *bat_priv)
{
if (bat_priv->tt_local_hash)
- return 1;
+ return 0;
- bat_priv->tt_local_hash = hash_new(1024);
+ bat_priv->tt_local_hash = batadv_hash_new(1024);
if (!bat_priv->tt_local_hash)
- return 0;
+ return -ENOMEM;
- return 1;
+ return 0;
}
-void tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
- int ifindex)
+void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
+ int ifindex)
{
- struct bat_priv *bat_priv = netdev_priv(soft_iface);
- struct tt_local_entry *tt_local_entry = NULL;
- struct tt_global_entry *tt_global_entry = NULL;
+ struct batadv_priv *bat_priv = netdev_priv(soft_iface);
+ struct batadv_tt_local_entry *tt_local_entry = NULL;
+ struct batadv_tt_global_entry *tt_global_entry = NULL;
struct hlist_head *head;
struct hlist_node *node;
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_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;
- /* possibly unset the TT_CLIENT_PENDING flag */
- tt_local_entry->common.flags &= ~TT_CLIENT_PENDING;
+ /* possibly unset the BATADV_TT_CLIENT_PENDING flag */
+ tt_local_entry->common.flags &= ~BATADV_TT_CLIENT_PENDING;
goto out;
}
@@@ -254,42 -216,40 +255,42 @@@
if (!tt_local_entry)
goto out;
- bat_dbg(DBG_TT, bat_priv,
- "Creating new local tt entry: %pM (ttvn: %d)\n", addr,
- (uint8_t)atomic_read(&bat_priv->ttvn));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Creating new local tt entry: %pM (ttvn: %d)\n", addr,
+ (uint8_t)atomic_read(&bat_priv->ttvn));
memcpy(tt_local_entry->common.addr, addr, ETH_ALEN);
- tt_local_entry->common.flags = NO_FLAGS;
- if (is_wifi_iface(ifindex))
- tt_local_entry->common.flags |= TT_CLIENT_WIFI;
+ tt_local_entry->common.flags = BATADV_NO_FLAGS;
+ if (batadv_is_wifi_iface(ifindex))
+ tt_local_entry->common.flags |= BATADV_TT_CLIENT_WIFI;
atomic_set(&tt_local_entry->common.refcount, 2);
tt_local_entry->last_seen = jiffies;
/* the batman interface mac address should never be purged */
- if (compare_eth(addr, soft_iface->dev_addr))
- tt_local_entry->common.flags |= TT_CLIENT_NOPURGE;
+ if (batadv_compare_eth(addr, soft_iface->dev_addr))
+ tt_local_entry->common.flags |= BATADV_TT_CLIENT_NOPURGE;
/* The local entry has to be marked as NEW to avoid to send it in
* a full table response going out before the next ttvn increment
- * (consistency check) */
- tt_local_entry->common.flags |= TT_CLIENT_NEW;
+ * (consistency check)
+ */
+ tt_local_entry->common.flags |= BATADV_TT_CLIENT_NEW;
- hash_added = hash_add(bat_priv->tt_local_hash, compare_tt, choose_orig,
- &tt_local_entry->common,
- &tt_local_entry->common.hash_entry);
+ 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) {
@@@ -299,85 -259,31 +300,85 @@@
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
* has to be kept for consistency purpose
*/
- tt_global_entry->common.flags |= TT_CLIENT_ROAM;
+ tt_global_entry->common.flags |= BATADV_TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
}
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 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;
+
+ new_buff = kmalloc(new_packet_len, GFP_ATOMIC);
+
+ /* keep old buffer if kmalloc should fail */
+ if (new_buff) {
+ memcpy(new_buff, *packet_buff, min_packet_len);
+ kfree(*packet_buff);
+ *packet_buff = new_buff;
+ *packet_buff_len = new_packet_len;
+ }
+}
+
+static void batadv_tt_prepare_packet_buff(struct batadv_priv *bat_priv,
+ unsigned char **packet_buff,
+ int *packet_buff_len,
+ int min_packet_len)
+{
+ struct batadv_hard_iface *primary_if;
+ int req_len;
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+
+ req_len = min_packet_len;
+ req_len += batadv_tt_len(atomic_read(&bat_priv->tt_local_changes));
+
+ /* if we have too many changes for one packet don't send any
+ * and wait for the tt table request which will be fragmented
+ */
+ if ((!primary_if) || (req_len > primary_if->soft_iface->mtu))
+ req_len = min_packet_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);
}
-int tt_changes_fill_buffer(struct bat_priv *bat_priv,
- unsigned char *buff, int buff_len)
+static int batadv_tt_changes_fill_buff(struct batadv_priv *bat_priv,
+ unsigned char **packet_buff,
+ int *packet_buff_len,
+ int min_packet_len)
{
- int count = 0, tot_changes = 0;
- struct tt_change_node *entry, *safe;
+ struct batadv_tt_change_node *entry, *safe;
+ int count = 0, tot_changes = 0, new_len;
+ unsigned char *tt_buff;
- if (buff_len > 0)
- tot_changes = buff_len / tt_len(1);
+ 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;
+
+ if (new_len > 0)
+ tot_changes = new_len / batadv_tt_len(1);
spin_lock_bh(&bat_priv->tt_changes_list_lock);
atomic_set(&bat_priv->tt_local_changes, 0);
@@@ -385,8 -291,8 +386,8 @@@
list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
list) {
if (count < tot_changes) {
- memcpy(buff + tt_len(count),
- &entry->change, sizeof(struct tt_change));
+ memcpy(tt_buff + batadv_tt_len(count),
+ &entry->change, sizeof(struct batadv_tt_change));
count++;
}
list_del(&entry->list);
@@@ -399,35 -305,37 +400,35 @@@
kfree(bat_priv->tt_buff);
bat_priv->tt_buff_len = 0;
bat_priv->tt_buff = NULL;
- /* We check whether this new OGM has no changes due to size
- * problems */
- if (buff_len > 0) {
- /**
- * if kmalloc() fails we will reply with the full table
+ /* check whether this new OGM has no changes due to size problems */
+ if (new_len > 0) {
+ /* if kmalloc() fails we will reply with the full table
* instead of providing the diff
*/
- bat_priv->tt_buff = kmalloc(buff_len, GFP_ATOMIC);
+ bat_priv->tt_buff = kmalloc(new_len, GFP_ATOMIC);
if (bat_priv->tt_buff) {
- memcpy(bat_priv->tt_buff, buff, buff_len);
- bat_priv->tt_buff_len = buff_len;
+ memcpy(bat_priv->tt_buff, tt_buff, new_len);
+ bat_priv->tt_buff_len = new_len;
}
}
spin_unlock_bh(&bat_priv->tt_buff_lock);
- return tot_changes;
+ return count;
}
-int tt_local_seq_print_text(struct seq_file *seq, void *offset)
+int batadv_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->tt_local_hash;
- struct tt_common_entry *tt_common_entry;
- struct hard_iface *primary_if;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
int ret = 0;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
ret = seq_printf(seq,
"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@@ -435,7 -343,7 +436,7 @@@
goto out;
}
- if (primary_if->if_status != IF_ACTIVE) {
+ if (primary_if->if_status != BATADV_IF_ACTIVE) {
ret = seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name);
@@@ -455,94 -363,63 +456,94 @@@
seq_printf(seq, " * %pM [%c%c%c%c%c]\n",
tt_common_entry->addr,
(tt_common_entry->flags &
- TT_CLIENT_ROAM ? 'R' : '.'),
+ BATADV_TT_CLIENT_ROAM ? 'R' : '.'),
(tt_common_entry->flags &
- TT_CLIENT_NOPURGE ? 'P' : '.'),
+ BATADV_TT_CLIENT_NOPURGE ? 'P' : '.'),
(tt_common_entry->flags &
- TT_CLIENT_NEW ? 'N' : '.'),
+ BATADV_TT_CLIENT_NEW ? 'N' : '.'),
(tt_common_entry->flags &
- TT_CLIENT_PENDING ? 'X' : '.'),
+ BATADV_TT_CLIENT_PENDING ? 'X' : '.'),
(tt_common_entry->flags &
- TT_CLIENT_WIFI ? 'W' : '.'));
+ BATADV_TT_CLIENT_WIFI ? 'W' : '.'));
}
rcu_read_unlock();
}
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
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 batadv_priv *bat_priv,
+ struct batadv_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
- * response issued before the net ttvn increment (consistency check) */
- tt_local_entry->common.flags |= TT_CLIENT_PENDING;
+ * response issued before the net ttvn increment (consistency check)
+ */
+ tt_local_entry->common.flags |= BATADV_TT_CLIENT_PENDING;
- bat_dbg(DBG_TT, bat_priv,
- "Local tt entry (%pM) pending to be removed: %s\n",
- tt_local_entry->common.addr, message);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Local tt entry (%pM) pending to be removed: %s\n",
+ tt_local_entry->common.addr, message);
}
-void tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr,
- const char *message, bool roaming)
+void batadv_tt_local_remove(struct batadv_priv *bat_priv, const uint8_t *addr,
+ const char *message, bool roaming)
{
- struct tt_local_entry *tt_local_entry = NULL;
+ struct batadv_tt_local_entry *tt_local_entry = NULL;
+ uint16_t flags;
- 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);
+ flags = BATADV_TT_CLIENT_DEL;
+ if (roaming)
+ flags |= BATADV_TT_CLIENT_ROAM;
+
+ batadv_tt_local_set_pending(bat_priv, tt_local_entry, 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_list(struct batadv_priv *bat_priv,
+ struct hlist_head *head)
{
- struct hashtable_t *hash = bat_priv->tt_local_hash;
- struct tt_local_entry *tt_local_entry;
- struct tt_common_entry *tt_common_entry;
+ struct batadv_tt_local_entry *tt_local_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
struct hlist_node *node, *node_tmp;
+
+ hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head,
+ hash_entry) {
+ tt_local_entry = container_of(tt_common_entry,
+ struct batadv_tt_local_entry,
+ common);
+ if (tt_local_entry->common.flags & BATADV_TT_CLIENT_NOPURGE)
+ continue;
+
+ /* entry already marked for deletion */
+ if (tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING)
+ continue;
+
+ if (!batadv_has_timed_out(tt_local_entry->last_seen,
+ BATADV_TT_LOCAL_TIMEOUT))
+ continue;
+
+ batadv_tt_local_set_pending(bat_priv, tt_local_entry,
+ BATADV_TT_CLIENT_DEL, "timed out");
+ }
+}
+
+static void batadv_tt_local_purge(struct batadv_priv *bat_priv)
+{
+ struct batadv_hashtable *hash = bat_priv->tt_local_hash;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
uint32_t i;
@@@ -552,18 -429,36 +553,18 @@@
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(tt_common_entry, node, node_tmp,
- head, hash_entry) {
- tt_local_entry = container_of(tt_common_entry,
- struct tt_local_entry,
- common);
- if (tt_local_entry->common.flags & TT_CLIENT_NOPURGE)
- continue;
-
- /* entry already marked for deletion */
- if (tt_local_entry->common.flags & TT_CLIENT_PENDING)
- continue;
-
- if (!has_timed_out(tt_local_entry->last_seen,
- TT_LOCAL_TIMEOUT))
- continue;
-
- tt_local_set_pending(bat_priv, tt_local_entry,
- TT_CLIENT_DEL, "timed out");
- }
+ batadv_tt_local_purge_list(bat_priv, head);
spin_unlock_bh(list_lock);
}
}
-static void tt_local_table_free(struct bat_priv *bat_priv)
+static void batadv_tt_local_table_free(struct batadv_priv *bat_priv)
{
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */
- struct tt_common_entry *tt_common_entry;
- struct tt_local_entry *tt_local_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_local_entry *tt_local;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
uint32_t i;
@@@ -581,35 -476,35 +582,35 @@@
hlist_for_each_entry_safe(tt_common_entry, node, node_tmp,
head, hash_entry) {
hlist_del_rcu(node);
- tt_local_entry = container_of(tt_common_entry,
- struct tt_local_entry,
- common);
- tt_local_entry_free_ref(tt_local_entry);
+ tt_local = container_of(tt_common_entry,
+ struct batadv_tt_local_entry,
+ common);
+ batadv_tt_local_entry_free_ref(tt_local);
}
spin_unlock_bh(list_lock);
}
- hash_destroy(hash);
+ batadv_hash_destroy(hash);
bat_priv->tt_local_hash = NULL;
}
-static int tt_global_init(struct bat_priv *bat_priv)
+static int batadv_tt_global_init(struct batadv_priv *bat_priv)
{
if (bat_priv->tt_global_hash)
- return 1;
+ return 0;
- bat_priv->tt_global_hash = hash_new(1024);
+ bat_priv->tt_global_hash = batadv_hash_new(1024);
if (!bat_priv->tt_global_hash)
- return 0;
+ return -ENOMEM;
- return 1;
+ return 0;
}
-static void tt_changes_list_free(struct bat_priv *bat_priv)
+static void batadv_tt_changes_list_free(struct batadv_priv *bat_priv)
{
- struct tt_change_node *entry, *safe;
+ struct batadv_tt_change_node *entry, *safe;
spin_lock_bh(&bat_priv->tt_changes_list_lock);
@@@ -626,11 -521,10 +627,11 @@@
/* 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 batadv_tt_global_entry *entry,
+ const struct batadv_orig_node *orig_node)
{
- struct tt_orig_list_entry *tmp_orig_entry;
+ struct batadv_tt_orig_list_entry *tmp_orig_entry;
const struct hlist_head *head;
struct hlist_node *node;
bool found = false;
@@@ -647,11 -541,11 +648,11 @@@
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 batadv_tt_global_entry *tt_global_entry,
+ struct batadv_orig_node *orig_node, int ttvn)
{
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
orig_entry = kzalloc(sizeof(*orig_entry), GFP_ATOMIC);
if (!orig_entry)
@@@ -670,95 -564,91 +671,95 @@@
}
/* caller must hold orig_node refcount */
-int tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
- const unsigned char *tt_addr, uint8_t ttvn, bool roaming,
- bool wifi)
+int batadv_tt_global_add(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *tt_addr, uint8_t flags,
+ uint8_t ttvn)
{
- struct tt_global_entry *tt_global_entry = NULL;
+ struct batadv_tt_global_entry *tt_global_entry = NULL;
int ret = 0;
int hash_added;
+ struct batadv_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),
- GFP_ATOMIC);
+ tt_global_entry = kzalloc(sizeof(*tt_global_entry), GFP_ATOMIC);
if (!tt_global_entry)
goto out;
- memcpy(tt_global_entry->common.addr, tt_addr, ETH_ALEN);
+ common = &tt_global_entry->common;
+ memcpy(common->addr, tt_addr, ETH_ALEN);
- tt_global_entry->common.flags = NO_FLAGS;
+ common->flags = flags;
tt_global_entry->roam_at = 0;
- atomic_set(&tt_global_entry->common.refcount, 2);
+ atomic_set(&common->refcount, 2);
INIT_HLIST_HEAD(&tt_global_entry->orig_list);
spin_lock_init(&tt_global_entry->list_lock);
- hash_added = hash_add(bat_priv->tt_global_hash, compare_tt,
- choose_orig, &tt_global_entry->common,
- &tt_global_entry->common.hash_entry);
+ hash_added = batadv_hash_add(bat_priv->tt_global_hash,
+ 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. */
- /* If there is the TT_CLIENT_ROAM flag set, there is only one
- * originator left in the list and we previously received a
+ /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only
+ * one originator left in the list and we previously received a
* delete + roaming change for this originator.
*
* We should first delete the old originator before adding the
* new one.
*/
- if (tt_global_entry->common.flags & TT_CLIENT_ROAM) {
- tt_global_del_orig_list(tt_global_entry);
- tt_global_entry->common.flags &= ~TT_CLIENT_ROAM;
+ if (tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM) {
+ batadv_tt_global_del_orig_list(tt_global_entry);
+ tt_global_entry->common.flags &= ~BATADV_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)
- tt_global_entry->common.flags |= TT_CLIENT_WIFI;
-
- bat_dbg(DBG_TT, bat_priv,
- "Creating new global tt entry: %pM (via %pM)\n",
- tt_global_entry->common.addr, orig_node->orig);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Creating new global tt entry: %pM (via %pM)\n",
+ tt_global_entry->common.addr, orig_node->orig);
out_remove:
/* remove address from local hash if present */
- tt_local_remove(bat_priv, tt_global_entry->common.addr,
- "global tt received", roaming);
+ batadv_tt_local_remove(bat_priv, tt_global_entry->common.addr,
+ "global tt received",
+ flags & BATADV_TT_CLIENT_ROAM);
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 batadv_tt_global_entry *tt_global_entry,
+ struct seq_file *seq)
{
struct hlist_head *head;
struct hlist_node *node;
- struct tt_orig_list_entry *orig_entry;
- struct tt_common_entry *tt_common_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
uint16_t flags;
uint8_t last_ttvn;
@@@ -772,25 -662,25 +773,25 @@@
seq_printf(seq, " * %pM (%3u) via %pM (%3u) [%c%c]\n",
tt_global_entry->common.addr, orig_entry->ttvn,
orig_entry->orig_node->orig, last_ttvn,
- (flags & TT_CLIENT_ROAM ? 'R' : '.'),
- (flags & TT_CLIENT_WIFI ? 'W' : '.'));
+ (flags & BATADV_TT_CLIENT_ROAM ? 'R' : '.'),
+ (flags & BATADV_TT_CLIENT_WIFI ? 'W' : '.'));
}
}
-int tt_global_seq_print_text(struct seq_file *seq, void *offset)
+int batadv_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->tt_global_hash;
- struct tt_common_entry *tt_common_entry;
- struct tt_global_entry *tt_global_entry;
- struct hard_iface *primary_if;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_global_entry *tt_global;
+ struct batadv_hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
int ret = 0;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) {
ret = seq_printf(seq,
"BATMAN mesh %s disabled - please specify interfaces to enable it\n",
@@@ -798,7 -688,7 +799,7 @@@
goto out;
}
- if (primary_if->if_status != IF_ACTIVE) {
+ if (primary_if->if_status != BATADV_IF_ACTIVE) {
ret = seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name);
@@@ -817,91 -707,87 +818,91 @@@
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry, node,
head, hash_entry) {
- tt_global_entry = container_of(tt_common_entry,
- struct tt_global_entry,
- common);
- tt_global_print_entry(tt_global_entry, seq);
+ tt_global = container_of(tt_common_entry,
+ struct batadv_tt_global_entry,
+ common);
+ batadv_tt_global_print_entry(tt_global, seq);
}
rcu_read_unlock();
}
out:
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
return ret;
}
/* 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 batadv_tt_global_entry *tt_global_entry)
{
struct hlist_head *head;
struct hlist_node *node, *safe;
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
spin_lock_bh(&tt_global_entry->list_lock);
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 batadv_priv *bat_priv,
+ struct batadv_tt_global_entry *tt_global_entry,
+ struct batadv_orig_node *orig_node,
+ const char *message)
{
struct hlist_head *head;
struct hlist_node *node, *safe;
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
spin_lock_bh(&tt_global_entry->list_lock);
head = &tt_global_entry->orig_list;
hlist_for_each_entry_safe(orig_entry, node, safe, head, list) {
if (orig_entry->orig_node == orig_node) {
- bat_dbg(DBG_TT, bat_priv,
- "Deleting %pM from global tt entry %pM: %s\n",
- orig_node->orig, tt_global_entry->common.addr,
- message);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting %pM from global tt entry %pM: %s\n",
+ 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 batadv_priv *bat_priv,
+ struct batadv_tt_global_entry *tt_global_entry,
+ const char *message)
{
- bat_dbg(DBG_TT, bat_priv,
- "Deleting global tt entry %pM: %s\n",
- tt_global_entry->common.addr, message);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting global tt entry %pM: %s\n",
+ tt_global_entry->common.addr, message);
- hash_remove(bat_priv->tt_global_hash, compare_tt, choose_orig,
- tt_global_entry->common.addr);
- tt_global_entry_free_ref(tt_global_entry);
+ batadv_hash_remove(bat_priv->tt_global_hash, batadv_compare_tt,
+ batadv_choose_orig, tt_global_entry->common.addr);
+ batadv_tt_global_entry_free_ref(tt_global_entry);
}
/* If the client is to be deleted, we check if it is the last origantor 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.
+ * within tt_global entry. If yes, we set the BATADV_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 batadv_priv *bat_priv,
+ struct batadv_tt_global_entry *tt_global_entry,
+ struct batadv_orig_node *orig_node,
+ const char *message)
{
bool last_entry = true;
struct hlist_head *head;
struct hlist_node *node;
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
/* no local entry exists, case 1:
* Check if this is the last one or if other entries exist.
@@@ -919,37 -805,37 +920,37 @@@
if (last_entry) {
/* its the last one, mark for roaming. */
- tt_global_entry->common.flags |= TT_CLIENT_ROAM;
+ tt_global_entry->common.flags |= BATADV_TT_CLIENT_ROAM;
tt_global_entry->roam_at = jiffies;
} else
/* 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 batadv_priv *bat_priv,
+ struct batadv_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 batadv_tt_global_entry *tt_global_entry = NULL;
+ struct batadv_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;
}
@@@ -958,42 -844,41 +959,42 @@@
* event, there are two possibilities:
* 1) the client roamed from node A to node B => if there
* is only one originator left for this client, we mark
- * it with TT_CLIENT_ROAM, we start a timer and we
+ * it with BATADV_TT_CLIENT_ROAM, we start a timer and we
* wait for node B to claim it. In case of timeout
* the entry is purged.
*
* If there are other originators left, we directly delete
* the originator.
* 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) {
+ * the global entry, since it is useless now.
+ */
+ 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 tt_global_del_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node, const char *message)
+void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const char *message)
{
- struct tt_global_entry *tt_global_entry;
- struct tt_common_entry *tt_common_entry;
+ struct batadv_tt_global_entry *tt_global;
+ struct batadv_tt_common_entry *tt_common_entry;
uint32_t i;
- struct hashtable_t *hash = bat_priv->tt_global_hash;
+ struct batadv_hashtable *hash = bat_priv->tt_global_hash;
struct hlist_node *node, *safe;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
@@@ -1008,57 -893,33 +1009,56 @@@
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);
-
- tt_global_del_orig_entry(bat_priv, tt_global_entry,
- orig_node, message);
-
- if (hlist_empty(&tt_global_entry->orig_list)) {
- bat_dbg(DBG_TT, bat_priv,
- "Deleting global tt entry %pM: %s\n",
- tt_global_entry->common.addr,
- message);
+ tt_global = container_of(tt_common_entry,
+ struct batadv_tt_global_entry,
+ common);
+
+ batadv_tt_global_del_orig_entry(bat_priv, tt_global,
+ orig_node, message);
+
+ if (hlist_empty(&tt_global->orig_list)) {
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting global tt entry %pM: %s\n",
+ tt_global->common.addr, message);
hlist_del_rcu(node);
- tt_global_entry_free_ref(tt_global_entry);
+ batadv_tt_global_entry_free_ref(tt_global);
}
}
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_list(struct batadv_priv *bat_priv,
+ struct hlist_head *head)
{
- struct hashtable_t *hash = bat_priv->tt_global_hash;
- struct tt_common_entry *tt_common_entry;
- struct tt_global_entry *tt_global_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_global_entry *tt_global_entry;
struct hlist_node *node, *node_tmp;
+
+ hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head,
+ hash_entry) {
+ tt_global_entry = container_of(tt_common_entry,
+ struct batadv_tt_global_entry,
+ common);
+ if (!(tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM))
+ continue;
+ if (!batadv_has_timed_out(tt_global_entry->roam_at,
+ BATADV_TT_CLIENT_ROAM_TIMEOUT))
+ continue;
+
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting global tt entry (%pM): Roaming timeout\n",
+ tt_global_entry->common.addr);
+
+ hlist_del_rcu(node);
+ batadv_tt_global_entry_free_ref(tt_global_entry);
+ }
+}
+
+static void batadv_tt_global_roam_purge(struct batadv_priv *bat_priv)
+{
+ struct batadv_hashtable *hash = bat_priv->tt_global_hash;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
uint32_t i;
@@@ -1068,18 -929,35 +1068,18 @@@
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(tt_common_entry, node, node_tmp,
- head, hash_entry) {
- tt_global_entry = container_of(tt_common_entry,
- struct tt_global_entry,
- common);
- if (!(tt_global_entry->common.flags & TT_CLIENT_ROAM))
- continue;
- if (!has_timed_out(tt_global_entry->roam_at,
- TT_CLIENT_ROAM_TIMEOUT))
- continue;
-
- bat_dbg(DBG_TT, bat_priv,
- "Deleting global tt entry (%pM): Roaming timeout\n",
- tt_global_entry->common.addr);
-
- hlist_del_rcu(node);
- tt_global_entry_free_ref(tt_global_entry);
- }
+ batadv_tt_global_roam_purge_list(bat_priv, head);
spin_unlock_bh(list_lock);
}
}
-static void tt_global_table_free(struct bat_priv *bat_priv)
+static void batadv_tt_global_table_free(struct batadv_priv *bat_priv)
{
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */
- struct tt_common_entry *tt_common_entry;
- struct tt_global_entry *tt_global_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_global_entry *tt_global;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
uint32_t i;
@@@ -1097,60 -975,56 +1097,60 @@@
hlist_for_each_entry_safe(tt_common_entry, node, node_tmp,
head, hash_entry) {
hlist_del_rcu(node);
- tt_global_entry = container_of(tt_common_entry,
- struct tt_global_entry,
- common);
- tt_global_entry_free_ref(tt_global_entry);
+ tt_global = container_of(tt_common_entry,
+ struct batadv_tt_global_entry,
+ common);
+ batadv_tt_global_entry_free_ref(tt_global);
}
spin_unlock_bh(list_lock);
}
- hash_destroy(hash);
+ batadv_hash_destroy(hash);
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 batadv_tt_local_entry *tt_local_entry,
+ struct batadv_tt_global_entry *tt_global_entry)
{
bool ret = false;
- if (tt_local_entry->common.flags & TT_CLIENT_WIFI &&
- tt_global_entry->common.flags & TT_CLIENT_WIFI)
+ if (tt_local_entry->common.flags & BATADV_TT_CLIENT_WIFI &&
+ tt_global_entry->common.flags & BATADV_TT_CLIENT_WIFI)
ret = true;
return ret;
}
-struct orig_node *transtable_search(struct bat_priv *bat_priv,
- const uint8_t *src, const uint8_t *addr)
+struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
+ const uint8_t *src,
+ const uint8_t *addr)
{
- struct tt_local_entry *tt_local_entry = NULL;
- struct tt_global_entry *tt_global_entry = NULL;
- struct orig_node *orig_node = NULL;
- struct neigh_node *router = NULL;
+ struct batadv_tt_local_entry *tt_local_entry = NULL;
+ struct batadv_tt_global_entry *tt_global_entry = NULL;
+ struct batadv_orig_node *orig_node = NULL;
+ struct batadv_neigh_node *router = NULL;
struct hlist_head *head;
struct hlist_node *node;
- struct tt_orig_list_entry *orig_entry;
+ struct batadv_tt_orig_list_entry *orig_entry;
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))
+ * isolation
+ */
+ if (tt_local_entry &&
+ _batadv_is_ap_isolated(tt_local_entry, tt_global_entry))
goto out;
best_tq = 0;
@@@ -1158,7 -1032,7 +1158,7 @@@
rcu_read_lock();
head = &tt_global_entry->orig_list;
hlist_for_each_entry_rcu(orig_entry, node, head, list) {
- router = orig_node_get_router(orig_entry->orig_node);
+ router = batadv_orig_node_get_router(orig_entry->orig_node);
if (!router)
continue;
@@@ -1166,7 -1040,7 +1166,7 @@@
orig_node = orig_entry->orig_node;
best_tq = router->tq_avg;
}
- neigh_node_free_ref(router);
+ batadv_neigh_node_free_ref(router);
}
/* found anything? */
if (orig_node && !atomic_inc_not_zero(&orig_node->refcount))
@@@ -1174,21 -1048,21 +1174,21 @@@
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 batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node)
{
uint16_t total = 0, total_one;
- struct hashtable_t *hash = bat_priv->tt_global_hash;
- struct tt_common_entry *tt_common_entry;
- struct tt_global_entry *tt_global_entry;
+ struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_tt_common_entry *tt_common;
+ struct batadv_tt_global_entry *tt_global;
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
@@@ -1198,29 -1072,30 +1198,29 @@@
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(tt_common_entry, node,
- head, hash_entry) {
- tt_global_entry = container_of(tt_common_entry,
- struct tt_global_entry,
- common);
+ hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) {
+ tt_global = container_of(tt_common,
+ struct batadv_tt_global_entry,
+ common);
/* Roaming clients are in the global table for
* consistency only. They don't have to be
* taken into account while computing the
* global crc
*/
- if (tt_global_entry->common.flags & TT_CLIENT_ROAM)
+ if (tt_common->flags & BATADV_TT_CLIENT_ROAM)
continue;
/* 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,
+ orig_node))
continue;
total_one = 0;
for (j = 0; j < ETH_ALEN; j++)
total_one = crc16_byte(total_one,
- tt_global_entry->common.addr[j]);
+ tt_common->addr[j]);
total ^= total_one;
}
rcu_read_unlock();
@@@ -1230,11 -1105,11 +1230,11 @@@
}
/* Calculates the checksum of the local table */
-uint16_t tt_local_crc(struct bat_priv *bat_priv)
+static uint16_t batadv_tt_local_crc(struct batadv_priv *bat_priv)
{
uint16_t total = 0, total_one;
- struct hashtable_t *hash = bat_priv->tt_local_hash;
- struct tt_common_entry *tt_common_entry;
+ struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_tt_common_entry *tt_common;
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
@@@ -1244,16 -1119,16 +1244,16 @@@
head = &hash->table[i];
rcu_read_lock();
- hlist_for_each_entry_rcu(tt_common_entry, node,
- head, hash_entry) {
+ hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) {
/* not yet committed clients have not to be taken into
- * account while computing the CRC */
- if (tt_common_entry->flags & TT_CLIENT_NEW)
+ * account while computing the CRC
+ */
+ if (tt_common->flags & BATADV_TT_CLIENT_NEW)
continue;
total_one = 0;
for (j = 0; j < ETH_ALEN; j++)
total_one = crc16_byte(total_one,
- tt_common_entry->addr[j]);
+ tt_common->addr[j]);
total ^= total_one;
}
rcu_read_unlock();
@@@ -1262,9 -1137,9 +1262,9 @@@
return total;
}
-static void tt_req_list_free(struct bat_priv *bat_priv)
+static void batadv_tt_req_list_free(struct batadv_priv *bat_priv)
{
- struct tt_req_node *node, *safe;
+ struct batadv_tt_req_node *node, *safe;
spin_lock_bh(&bat_priv->tt_req_list_lock);
@@@ -1276,16 -1151,15 +1276,16 @@@
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 batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *tt_buff,
+ uint8_t tt_num_changes)
{
- uint16_t tt_buff_len = tt_len(tt_num_changes);
+ uint16_t tt_buff_len = batadv_tt_len(tt_num_changes);
/* Replace the old buffer only if I received something in the
- * last OGM (the OGM could carry no changes) */
+ * last OGM (the OGM could carry no changes)
+ */
spin_lock_bh(&orig_node->tt_buff_lock);
if (tt_buff_len > 0) {
kfree(orig_node->tt_buff);
@@@ -1299,14 -1173,13 +1299,14 @@@
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 batadv_priv *bat_priv)
{
- struct tt_req_node *node, *safe;
+ struct batadv_tt_req_node *node, *safe;
spin_lock_bh(&bat_priv->tt_req_list_lock);
list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
- if (has_timed_out(node->issued_at, TT_REQUEST_TIMEOUT)) {
+ if (batadv_has_timed_out(node->issued_at,
+ BATADV_TT_REQUEST_TIMEOUT)) {
list_del(&node->list);
kfree(node);
}
@@@ -1315,19 -1188,17 +1315,19 @@@
}
/* 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)
+ * has already been issued for this orig_node, NULL otherwise
+ */
+static struct batadv_tt_req_node *
+batadv_new_tt_req_node(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node)
{
- struct tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
+ struct batadv_tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
spin_lock_bh(&bat_priv->tt_req_list_lock);
list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) {
- if (compare_eth(tt_req_node_tmp, orig_node) &&
- !has_timed_out(tt_req_node_tmp->issued_at,
- TT_REQUEST_TIMEOUT))
+ if (batadv_compare_eth(tt_req_node_tmp, orig_node) &&
+ !batadv_has_timed_out(tt_req_node_tmp->issued_at,
+ BATADV_TT_REQUEST_TIMEOUT))
goto unlock;
}
@@@ -1345,67 -1216,63 +1345,67 @@@ unlock
}
/* 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;
+ const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
- if (tt_common_entry->flags & TT_CLIENT_NEW)
+ if (tt_common_entry->flags & BATADV_TT_CLIENT_NEW)
return 0;
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;
- const struct orig_node *orig_node = data_ptr;
+ const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
+ const struct batadv_tt_global_entry *tt_global_entry;
+ const struct batadv_orig_node *orig_node = data_ptr;
- if (tt_common_entry->flags & TT_CLIENT_ROAM)
+ if (tt_common_entry->flags & BATADV_TT_CLIENT_ROAM)
return 0;
- tt_global_entry = container_of(tt_common_entry, struct tt_global_entry,
+ tt_global_entry = container_of(tt_common_entry,
+ struct batadv_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 batadv_hashtable *hash,
+ struct batadv_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;
- struct tt_change *tt_change;
+ struct batadv_tt_common_entry *tt_common_entry;
+ struct batadv_tt_query_packet *tt_response;
+ struct batadv_tt_change *tt_change;
struct hlist_node *node;
struct hlist_head *head;
struct sk_buff *skb = NULL;
uint16_t tt_tot, tt_count;
- ssize_t tt_query_size = sizeof(struct tt_query_packet);
+ ssize_t tt_query_size = sizeof(struct batadv_tt_query_packet);
uint32_t i;
+ size_t len;
if (tt_query_size + tt_len > primary_if->soft_iface->mtu) {
tt_len = primary_if->soft_iface->mtu - tt_query_size;
- tt_len -= tt_len % sizeof(struct tt_change);
+ tt_len -= tt_len % sizeof(struct batadv_tt_change);
}
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN);
+ len = tt_query_size + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- tt_query_size + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb, len);
tt_response->ttvn = ttvn;
- tt_change = (struct tt_change *)(skb->data + tt_query_size);
+ tt_change = (struct batadv_tt_change *)(skb->data + tt_query_size);
tt_count = 0;
rcu_read_lock();
@@@ -1422,7 -1289,7 +1422,7 @@@
memcpy(tt_change->addr, tt_common_entry->addr,
ETH_ALEN);
- tt_change->flags = NO_FLAGS;
+ tt_change->flags = BATADV_NO_FLAGS;
tt_count++;
tt_change++;
@@@ -1431,78 -1298,72 +1431,78 @@@
rcu_read_unlock();
/* store in the message the number of entries we have successfully
- * copied */
+ * copied
+ */
tt_response->tt_data = htons(tt_count);
out:
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 batadv_priv *bat_priv,
+ struct batadv_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;
- struct neigh_node *neigh_node = NULL;
- struct hard_iface *primary_if;
- struct tt_req_node *tt_req_node = NULL;
+ struct batadv_tt_query_packet *tt_request;
+ struct batadv_neigh_node *neigh_node = NULL;
+ struct batadv_hard_iface *primary_if;
+ struct batadv_tt_req_node *tt_req_node = NULL;
int ret = 1;
+ size_t tt_req_len;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
/* 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);
+ * reply from the same orig_node yet
+ */
+ tt_req_node = batadv_new_tt_req_node(bat_priv, dst_orig_node);
if (!tt_req_node)
goto out;
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN);
+ skb = dev_alloc_skb(sizeof(*tt_request) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- tt_request = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet));
+ tt_req_len = sizeof(*tt_request);
+ tt_request = (struct batadv_tt_query_packet *)skb_put(skb, tt_req_len);
- tt_request->header.packet_type = BAT_TT_QUERY;
- tt_request->header.version = COMPAT_VERSION;
+ tt_request->header.packet_type = BATADV_TT_QUERY;
+ tt_request->header.version = BATADV_COMPAT_VERSION;
memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN);
- tt_request->header.ttl = TTL;
+ tt_request->header.ttl = BATADV_TTL;
tt_request->ttvn = ttvn;
tt_request->tt_data = htons(tt_crc);
- tt_request->flags = TT_REQUEST;
+ tt_request->flags = BATADV_TT_REQUEST;
if (full_table)
- tt_request->flags |= TT_FULL_TABLE;
+ tt_request->flags |= BATADV_TT_FULL_TABLE;
- neigh_node = orig_node_get_router(dst_orig_node);
+ neigh_node = batadv_orig_node_get_router(dst_orig_node);
if (!neigh_node)
goto out;
- bat_dbg(DBG_TT, bat_priv,
- "Sending TT_REQUEST to %pM via %pM [%c]\n",
- dst_orig_node->orig, neigh_node->addr,
- (full_table ? 'F' : '.'));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Sending TT_REQUEST to %pM via %pM [%c]\n",
+ dst_orig_node->orig, neigh_node->addr,
+ (full_table ? 'F' : '.'));
+
+ batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_TX);
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = 0;
out:
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (ret)
kfree_skb(skb);
if (ret && tt_req_node) {
@@@ -1514,42 -1375,39 +1514,42 @@@
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 batadv_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_request)
{
- struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
- struct neigh_node *neigh_node = NULL;
- struct hard_iface *primary_if = NULL;
+ struct batadv_orig_node *req_dst_orig_node = NULL;
+ struct batadv_orig_node *res_dst_orig_node = NULL;
+ struct batadv_neigh_node *neigh_node = NULL;
+ struct batadv_hard_iface *primary_if = NULL;
uint8_t orig_ttvn, req_ttvn, ttvn;
int ret = false;
unsigned char *tt_buff;
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
- struct tt_query_packet *tt_response;
+ struct batadv_tt_query_packet *tt_response;
+ size_t len;
- bat_dbg(DBG_TT, bat_priv,
- "Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n",
- tt_request->src, tt_request->ttvn, tt_request->dst,
- (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n",
+ tt_request->src, tt_request->ttvn, tt_request->dst,
+ (tt_request->flags & BATADV_TT_FULL_TABLE ? 'F' : '.'));
/* Let's get the orig node of the REAL destination */
- req_dst_orig_node = orig_hash_find(bat_priv, tt_request->dst);
+ req_dst_orig_node = batadv_orig_hash_find(bat_priv, tt_request->dst);
if (!req_dst_orig_node)
goto out;
- res_dst_orig_node = orig_hash_find(bat_priv, tt_request->src);
+ res_dst_orig_node = batadv_orig_hash_find(bat_priv, tt_request->src);
if (!res_dst_orig_node)
goto out;
- neigh_node = orig_node_get_router(res_dst_orig_node);
+ neigh_node = batadv_orig_node_get_router(res_dst_orig_node);
if (!neigh_node)
goto out;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
@@@ -1558,75 -1416,71 +1558,75 @@@
/* I don't have the requested data */
if (orig_ttvn != req_ttvn ||
- tt_request->tt_data != req_dst_orig_node->tt_crc)
+ tt_request->tt_data != htons(req_dst_orig_node->tt_crc))
goto out;
/* If the full table has been explicitly requested */
- if (tt_request->flags & TT_FULL_TABLE ||
+ if (tt_request->flags & BATADV_TT_FULL_TABLE ||
!req_dst_orig_node->tt_buff)
full_table = true;
else
full_table = false;
/* In this version, fragmentation is not implemented, then
- * I'll send only one packet with as much TT entries as I can */
+ * I'll send only one packet with as much TT entries as I can
+ */
if (!full_table) {
spin_lock_bh(&req_dst_orig_node->tt_buff_lock);
tt_len = req_dst_orig_node->tt_buff_len;
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
- tt_len + ETH_HLEN);
+ len = sizeof(*tt_response) + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet) + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
+ len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
- tt_buff = skb->data + sizeof(struct tt_query_packet);
+ tt_buff = skb->data + sizeof(*tt_response);
/* Copy the last orig_node's OGM buffer */
memcpy(tt_buff, req_dst_orig_node->tt_buff,
req_dst_orig_node->tt_buff_len);
spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
} else {
- tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) *
- sizeof(struct tt_change);
+ tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size);
+ tt_len *= sizeof(struct batadv_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;
- tt_response = (struct tt_query_packet *)skb->data;
+ tt_response = (struct batadv_tt_query_packet *)skb->data;
}
- tt_response->header.packet_type = BAT_TT_QUERY;
- tt_response->header.version = COMPAT_VERSION;
- tt_response->header.ttl = TTL;
+ tt_response->header.packet_type = BATADV_TT_QUERY;
+ tt_response->header.version = BATADV_COMPAT_VERSION;
+ tt_response->header.ttl = BATADV_TTL;
memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN);
memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
- tt_response->flags = TT_RESPONSE;
+ tt_response->flags = BATADV_TT_RESPONSE;
if (full_table)
- tt_response->flags |= TT_FULL_TABLE;
+ tt_response->flags |= BATADV_TT_FULL_TABLE;
- bat_dbg(DBG_TT, bat_priv,
- "Sending TT_RESPONSE %pM via %pM for %pM (ttvn: %u)\n",
- res_dst_orig_node->orig, neigh_node->addr,
- req_dst_orig_node->orig, req_ttvn);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Sending TT_RESPONSE %pM via %pM for %pM (ttvn: %u)\n",
+ res_dst_orig_node->orig, neigh_node->addr,
+ req_dst_orig_node->orig, req_ttvn);
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_TX);
+
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = true;
goto out;
@@@ -1635,122 -1489,114 +1635,122 @@@ unlock
out:
if (res_dst_orig_node)
- orig_node_free_ref(res_dst_orig_node);
+ batadv_orig_node_free_ref(res_dst_orig_node);
if (req_dst_orig_node)
- orig_node_free_ref(req_dst_orig_node);
+ batadv_orig_node_free_ref(req_dst_orig_node);
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (!ret)
kfree_skb(skb);
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 batadv_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_request)
{
- struct orig_node *orig_node = NULL;
- struct neigh_node *neigh_node = NULL;
- struct hard_iface *primary_if = NULL;
+ struct batadv_orig_node *orig_node = NULL;
+ struct batadv_neigh_node *neigh_node = NULL;
+ struct batadv_hard_iface *primary_if = NULL;
uint8_t my_ttvn, req_ttvn, ttvn;
int ret = false;
unsigned char *tt_buff;
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
- struct tt_query_packet *tt_response;
+ struct batadv_tt_query_packet *tt_response;
+ size_t len;
- bat_dbg(DBG_TT, bat_priv,
- "Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n",
- tt_request->src, tt_request->ttvn,
- (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n",
+ tt_request->src, tt_request->ttvn,
+ (tt_request->flags & BATADV_TT_FULL_TABLE ? 'F' : '.'));
my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
req_ttvn = tt_request->ttvn;
- orig_node = orig_hash_find(bat_priv, tt_request->src);
+ orig_node = batadv_orig_hash_find(bat_priv, tt_request->src);
if (!orig_node)
goto out;
- neigh_node = orig_node_get_router(orig_node);
+ neigh_node = batadv_orig_node_get_router(orig_node);
if (!neigh_node)
goto out;
- primary_if = primary_if_get_selected(bat_priv);
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
/* If the full table has been explicitly requested or the gap
- * is too big send the whole local translation table */
- if (tt_request->flags & TT_FULL_TABLE || my_ttvn != req_ttvn ||
+ * is too big send the whole local translation table
+ */
+ if (tt_request->flags & BATADV_TT_FULL_TABLE || my_ttvn != req_ttvn ||
!bat_priv->tt_buff)
full_table = true;
else
full_table = false;
/* In this version, fragmentation is not implemented, then
- * I'll send only one packet with as much TT entries as I can */
+ * I'll send only one packet with as much TT entries as I can
+ */
if (!full_table) {
spin_lock_bh(&bat_priv->tt_buff_lock);
tt_len = bat_priv->tt_buff_len;
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
- tt_len + ETH_HLEN);
+ len = sizeof(*tt_response) + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet) + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
+ len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
- tt_buff = skb->data + sizeof(struct tt_query_packet);
+ tt_buff = skb->data + sizeof(*tt_response);
memcpy(tt_buff, bat_priv->tt_buff,
bat_priv->tt_buff_len);
spin_unlock_bh(&bat_priv->tt_buff_lock);
} else {
- tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) *
- sizeof(struct tt_change);
+ tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt);
+ tt_len *= sizeof(struct batadv_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;
- tt_response = (struct tt_query_packet *)skb->data;
+ tt_response = (struct batadv_tt_query_packet *)skb->data;
}
- tt_response->header.packet_type = BAT_TT_QUERY;
- tt_response->header.version = COMPAT_VERSION;
- tt_response->header.ttl = TTL;
+ tt_response->header.packet_type = BATADV_TT_QUERY;
+ tt_response->header.version = BATADV_COMPAT_VERSION;
+ tt_response->header.ttl = BATADV_TTL;
memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
- tt_response->flags = TT_RESPONSE;
+ tt_response->flags = BATADV_TT_RESPONSE;
if (full_table)
- tt_response->flags |= TT_FULL_TABLE;
+ tt_response->flags |= BATADV_TT_FULL_TABLE;
- bat_dbg(DBG_TT, bat_priv,
- "Sending TT_RESPONSE to %pM via %pM [%c]\n",
- orig_node->orig, neigh_node->addr,
- (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Sending TT_RESPONSE to %pM via %pM [%c]\n",
+ orig_node->orig, neigh_node->addr,
+ (tt_response->flags & BATADV_TT_FULL_TABLE ? 'F' : '.'));
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_TX);
+
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = true;
goto out;
@@@ -1758,50 -1604,49 +1758,50 @@@ unlock
spin_unlock_bh(&bat_priv->tt_buff_lock);
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (primary_if)
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
if (!ret)
kfree_skb(skb);
/* This packet was for me, so it doesn't need to be re-routed */
return true;
}
-bool send_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+bool batadv_send_tt_response(struct batadv_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_request)
{
- if (is_my_mac(tt_request->dst)) {
+ if (batadv_is_my_mac(tt_request->dst)) {
/* don't answer backbone gws! */
- if (bla_is_backbone_gw_orig(bat_priv, tt_request->src))
+ 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 batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ struct batadv_tt_change *tt_change,
+ uint16_t tt_num_changes, uint8_t ttvn)
{
int i;
+ 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);
- else
- if (!tt_global_add(bat_priv, orig_node,
- (tt_change + i)->addr, ttvn, false,
- (tt_change + i)->flags &
- TT_CLIENT_WIFI))
+ if ((tt_change + i)->flags & BATADV_TT_CLIENT_DEL) {
+ roams = (tt_change + i)->flags & BATADV_TT_CLIENT_ROAM;
+ batadv_tt_global_del(bat_priv, orig_node,
+ (tt_change + i)->addr,
+ "tt removed by changes",
+ roams);
+ } else {
+ if (!batadv_tt_global_add(bat_priv, orig_node,
+ (tt_change + i)->addr,
+ (tt_change + i)->flags, ttvn))
/* In case of problem while storing a
* global_entry, we stop the updating
* procedure without committing the
@@@ -1809,27 -1654,25 +1809,27 @@@
* corrupted data on tt_request
*/
return;
+ }
}
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 batadv_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_response)
{
- struct orig_node *orig_node = NULL;
+ struct batadv_orig_node *orig_node = NULL;
- orig_node = orig_hash_find(bat_priv, tt_response->src);
+ orig_node = batadv_orig_hash_find(bat_priv, tt_response->src);
if (!orig_node)
goto out;
/* Purge the old table first.. */
- tt_global_del_orig(bat_priv, orig_node, "Received full table");
+ 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),
- tt_response->tt_data, tt_response->ttvn);
+ _batadv_tt_update_changes(bat_priv, orig_node,
+ (struct batadv_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);
@@@ -1841,76 -1684,71 +1841,76 @@@
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ 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 batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ uint16_t tt_num_changes, uint8_t ttvn,
+ struct batadv_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);
}
-bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr)
+bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr)
{
- struct tt_local_entry *tt_local_entry = NULL;
+ struct batadv_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
- * consistency purpose) */
- if (tt_local_entry->common.flags & TT_CLIENT_PENDING)
+ * consistency purpose)
+ */
+ if (tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING)
goto out;
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;
}
-void handle_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_response)
+void batadv_handle_tt_response(struct batadv_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_response)
{
- struct tt_req_node *node, *safe;
- struct orig_node *orig_node = NULL;
+ struct batadv_tt_req_node *node, *safe;
+ struct batadv_orig_node *orig_node = NULL;
+ struct batadv_tt_change *tt_change;
- bat_dbg(DBG_TT, bat_priv,
- "Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n",
- tt_response->src, tt_response->ttvn, tt_response->tt_data,
- (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n",
+ tt_response->src, tt_response->ttvn,
+ ntohs(tt_response->tt_data),
+ (tt_response->flags & BATADV_TT_FULL_TABLE ? 'F' : '.'));
/* we should have never asked a backbone gw */
- if (bla_is_backbone_gw_orig(bat_priv, tt_response->src))
+ if (batadv_bla_is_backbone_gw_orig(bat_priv, tt_response->src))
goto out;
- orig_node = orig_hash_find(bat_priv, tt_response->src);
+ orig_node = batadv_orig_hash_find(bat_priv, tt_response->src);
if (!orig_node)
goto out;
- if (tt_response->flags & TT_FULL_TABLE)
- tt_fill_gtable(bat_priv, tt_response);
- else
- tt_update_changes(bat_priv, orig_node, tt_response->tt_data,
- tt_response->ttvn,
- (struct tt_change *)(tt_response + 1));
+ if (tt_response->flags & BATADV_TT_FULL_TABLE) {
+ batadv_tt_fill_gtable(bat_priv, tt_response);
+ } else {
+ tt_change = (struct batadv_tt_change *)(tt_response + 1);
+ batadv_tt_update_changes(bat_priv, orig_node,
+ ntohs(tt_response->tt_data),
+ tt_response->ttvn, tt_change);
+ }
/* Delete the tt_req_node from pending tt_requests list */
spin_lock_bh(&bat_priv->tt_req_list_lock);
list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
- if (!compare_eth(node->addr, tt_response->src))
+ if (!batadv_compare_eth(node->addr, tt_response->src))
continue;
list_del(&node->list);
kfree(node);
@@@ -1918,36 -1756,31 +1918,36 @@@
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 */
+ * unset the flag
+ */
orig_node->tt_poss_change = false;
out:
if (orig_node)
- orig_node_free_ref(orig_node);
+ batadv_orig_node_free_ref(orig_node);
}
-int tt_init(struct bat_priv *bat_priv)
+int batadv_tt_init(struct batadv_priv *bat_priv)
{
- if (!tt_local_init(bat_priv))
- return 0;
+ int ret;
- if (!tt_global_init(bat_priv))
- return 0;
+ ret = batadv_tt_local_init(bat_priv);
+ if (ret < 0)
+ return ret;
- tt_start_timer(bat_priv);
+ ret = batadv_tt_global_init(bat_priv);
+ if (ret < 0)
+ return ret;
+
+ 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 batadv_priv *bat_priv)
{
- struct tt_roam_node *node, *safe;
+ struct batadv_tt_roam_node *node, *safe;
spin_lock_bh(&bat_priv->tt_roam_list_lock);
@@@ -1959,14 -1792,13 +1959,14 @@@
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 batadv_priv *bat_priv)
{
- struct tt_roam_node *node, *safe;
+ struct batadv_tt_roam_node *node, *safe;
spin_lock_bh(&bat_priv->tt_roam_list_lock);
list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
- if (!has_timed_out(node->first_time, ROAMING_MAX_TIME))
+ if (!batadv_has_timed_out(node->first_time,
+ BATADV_ROAMING_MAX_TIME))
continue;
list_del(&node->list);
@@@ -1979,27 -1811,24 +1979,27 @@@
* maximum number of possible roaming phases. In this case the ROAMING_ADV
* will not be sent.
*
- * 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)
+ * returns true if the ROAMING_ADV can be sent, false otherwise
+ */
+static bool batadv_tt_check_roam_count(struct batadv_priv *bat_priv,
+ uint8_t *client)
{
- struct tt_roam_node *tt_roam_node;
+ struct batadv_tt_roam_node *tt_roam_node;
bool ret = false;
spin_lock_bh(&bat_priv->tt_roam_list_lock);
/* The new tt_req will be issued only if I'm not waiting for a
- * reply from the same orig_node yet */
+ * reply from the same orig_node yet
+ */
list_for_each_entry(tt_roam_node, &bat_priv->tt_roam_list, list) {
- if (!compare_eth(tt_roam_node->addr, client))
+ if (!batadv_compare_eth(tt_roam_node->addr, client))
continue;
- if (has_timed_out(tt_roam_node->first_time, ROAMING_MAX_TIME))
+ if (batadv_has_timed_out(tt_roam_node->first_time,
+ BATADV_ROAMING_MAX_TIME))
continue;
- if (!atomic_dec_not_zero(&tt_roam_node->counter))
+ if (!batadv_atomic_dec_not_zero(&tt_roam_node->counter))
/* Sorry, you roamed too many times! */
goto unlock;
ret = true;
@@@ -2012,8 -1841,7 +2012,8 @@@
goto unlock;
tt_roam_node->first_time = jiffies;
- atomic_set(&tt_roam_node->counter, ROAMING_MAX_COUNT - 1);
+ atomic_set(&tt_roam_node->counter,
+ BATADV_ROAMING_MAX_COUNT - 1);
memcpy(tt_roam_node->addr, client, ETH_ALEN);
list_add(&tt_roam_node->list, &bat_priv->tt_roam_list);
@@@ -2025,102 -1853,97 +2025,102 @@@ unlock
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 batadv_priv *bat_priv, uint8_t *client,
+ struct batadv_orig_node *orig_node)
{
- struct neigh_node *neigh_node = NULL;
+ struct batadv_neigh_node *neigh_node = NULL;
struct sk_buff *skb = NULL;
- struct roam_adv_packet *roam_adv_packet;
+ struct batadv_roam_adv_packet *roam_adv_packet;
int ret = 1;
- struct hard_iface *primary_if;
+ struct batadv_hard_iface *primary_if;
+ size_t len = sizeof(*roam_adv_packet);
/* 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))
+ * already roamed to us too many times
+ */
+ if (!batadv_tt_check_roam_count(bat_priv, client))
goto out;
- skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
+ skb = dev_alloc_skb(sizeof(*roam_adv_packet) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
- sizeof(struct roam_adv_packet));
+ roam_adv_packet = (struct batadv_roam_adv_packet *)skb_put(skb, len);
- roam_adv_packet->header.packet_type = BAT_ROAM_ADV;
- roam_adv_packet->header.version = COMPAT_VERSION;
- roam_adv_packet->header.ttl = TTL;
- primary_if = primary_if_get_selected(bat_priv);
+ roam_adv_packet->header.packet_type = BATADV_ROAM_ADV;
+ roam_adv_packet->header.version = BATADV_COMPAT_VERSION;
+ roam_adv_packet->header.ttl = BATADV_TTL;
+ primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
memcpy(roam_adv_packet->src, primary_if->net_dev->dev_addr, ETH_ALEN);
- hardif_free_ref(primary_if);
+ batadv_hardif_free_ref(primary_if);
memcpy(roam_adv_packet->dst, orig_node->orig, ETH_ALEN);
memcpy(roam_adv_packet->client, client, ETH_ALEN);
- neigh_node = orig_node_get_router(orig_node);
+ neigh_node = batadv_orig_node_get_router(orig_node);
if (!neigh_node)
goto out;
- bat_dbg(DBG_TT, bat_priv,
- "Sending ROAMING_ADV to %pM (client %pM) via %pM\n",
- orig_node->orig, client, neigh_node->addr);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Sending ROAMING_ADV to %pM (client %pM) via %pM\n",
+ orig_node->orig, client, neigh_node->addr);
+
+ batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_TX);
- send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
ret = 0;
out:
if (neigh_node)
- neigh_node_free_ref(neigh_node);
+ batadv_neigh_node_free_ref(neigh_node);
if (ret)
kfree_skb(skb);
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);
+ struct delayed_work *delayed_work;
+ struct batadv_priv *bat_priv;
- tt_local_purge(bat_priv);
- tt_global_roam_purge(bat_priv);
- tt_req_purge(bat_priv);
- tt_roam_purge(bat_priv);
+ delayed_work = container_of(work, struct delayed_work, work);
+ bat_priv = container_of(delayed_work, struct batadv_priv, tt_work);
- tt_start_timer(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);
+
+ batadv_tt_start_timer(bat_priv);
}
-void tt_free(struct bat_priv *bat_priv)
+void batadv_tt_free(struct batadv_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)
+ * in the given hash table and returns the number of modified entries
+ */
+static uint16_t batadv_tt_set_flags(struct batadv_hashtable *hash,
+ uint16_t flags, bool enable)
{
uint32_t i;
uint16_t changed_num = 0;
struct hlist_head *head;
struct hlist_node *node;
- struct tt_common_entry *tt_common_entry;
+ struct batadv_tt_common_entry *tt_common_entry;
if (!hash)
goto out;
@@@ -2148,12 -1971,12 +2148,12 @@@ out
return changed_num;
}
-/* Purge out all the tt local entries marked with TT_CLIENT_PENDING */
-static void tt_local_purge_pending_clients(struct bat_priv *bat_priv)
+/* Purge out all the tt local entries marked with BATADV_TT_CLIENT_PENDING */
+static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv)
{
- struct hashtable_t *hash = bat_priv->tt_local_hash;
- struct tt_common_entry *tt_common_entry;
- struct tt_local_entry *tt_local_entry;
+ struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_tt_common_entry *tt_common;
+ struct batadv_tt_local_entry *tt_local;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
@@@ -2167,149 -1990,103 +2167,149 @@@
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- hlist_for_each_entry_safe(tt_common_entry, node, node_tmp,
- head, hash_entry) {
- if (!(tt_common_entry->flags & TT_CLIENT_PENDING))
+ hlist_for_each_entry_safe(tt_common, node, node_tmp, head,
+ hash_entry) {
+ if (!(tt_common->flags & BATADV_TT_CLIENT_PENDING))
continue;
- bat_dbg(DBG_TT, bat_priv,
- "Deleting local tt entry (%pM): pending\n",
- tt_common_entry->addr);
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting local tt entry (%pM): pending\n",
+ tt_common->addr);
atomic_dec(&bat_priv->num_local_tt);
hlist_del_rcu(node);
- tt_local_entry = container_of(tt_common_entry,
- struct tt_local_entry,
- common);
- tt_local_entry_free_ref(tt_local_entry);
+ tt_local = container_of(tt_common,
+ struct batadv_tt_local_entry,
+ common);
+ batadv_tt_local_entry_free_ref(tt_local);
}
spin_unlock_bh(list_lock);
}
}
-void tt_commit_changes(struct bat_priv *bat_priv)
+static int batadv_tt_commit_changes(struct batadv_priv *bat_priv,
+ unsigned char **packet_buff,
+ int *packet_buff_len, int packet_min_len)
{
- uint16_t changed_num = tt_set_flags(bat_priv->tt_local_hash,
- TT_CLIENT_NEW, false);
- /* all the reset entries have now to be effectively counted as local
- * entries */
+ uint16_t changed_num = 0;
+
+ if (atomic_read(&bat_priv->tt_local_changes) < 1)
+ return -ENOENT;
+
+ changed_num = batadv_tt_set_flags(bat_priv->tt_local_hash,
+ BATADV_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 */
atomic_inc(&bat_priv->ttvn);
- bat_dbg(DBG_TT, bat_priv, "Local changes committed, updating to ttvn %u\n",
- (uint8_t)atomic_read(&bat_priv->ttvn));
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Local changes committed, updating to ttvn %u\n",
+ (uint8_t)atomic_read(&bat_priv->ttvn));
bat_priv->tt_poss_change = false;
+
+ /* reset the sending counter */
+ atomic_set(&bat_priv->tt_ogm_append_cnt, BATADV_TT_OGM_APPEND_MAX);
+
+ 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 batadv_tt_append_diff(struct batadv_priv *bat_priv,
+ unsigned char **packet_buff, int *packet_buff_len,
+ int packet_min_len)
+{
+ int tt_num_changes;
+
+ /* if at least one change happened */
+ 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) &&
+ (!batadv_atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) {
+ batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
+ packet_min_len, packet_min_len);
+ tt_num_changes = 0;
+ }
+
+ return tt_num_changes;
}
-bool is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, uint8_t *dst)
+bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
+ uint8_t *dst)
{
- struct tt_local_entry *tt_local_entry = NULL;
- struct tt_global_entry *tt_global_entry = NULL;
+ struct batadv_tt_local_entry *tt_local_entry = NULL;
+ struct batadv_tt_global_entry *tt_global_entry = NULL;
- bool ret = true;
+ bool ret = false;
if (!atomic_read(&bat_priv->ap_isolation))
- return false;
+ goto out;
- 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 (_batadv_is_ap_isolated(tt_local_entry, tt_global_entry))
- 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;
+ ret = true;
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;
}
-void tt_update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
- const unsigned char *tt_buff, uint8_t tt_num_changes,
- uint8_t ttvn, uint16_t tt_crc)
+void batadv_tt_update_orig(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *tt_buff, uint8_t tt_num_changes,
+ uint8_t ttvn, uint16_t tt_crc)
{
uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
bool full_table = true;
+ struct batadv_tt_change *tt_change;
/* don't care about a backbone gateways updates. */
- if (bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
+ if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
return;
/* orig table not initialised AND first diff is in the OGM OR the ttvn
- * increased by one -> we can apply the attached changes */
+ * increased by one -> we can apply the attached changes
+ */
if ((!orig_node->tt_initialised && ttvn == 1) ||
ttvn - orig_ttvn == 1) {
/* the OGM could not contain the changes due to their size or
- * because they have already been sent TT_OGM_APPEND_MAX times.
- * In this case send a tt request */
+ * because they have already been sent BATADV_TT_OGM_APPEND_MAX
+ * times.
+ * In this case send a tt request
+ */
if (!tt_num_changes) {
full_table = false;
goto request_table;
}
- tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
- (struct tt_change *)tt_buff);
+ tt_change = (struct batadv_tt_change *)tt_buff;
+ batadv_tt_update_changes(bat_priv, orig_node, tt_num_changes,
+ ttvn, tt_change);
/* 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);
+ * in the global table
+ */
+ 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
@@@ -2318,28 -2095,26 +2318,28 @@@
* consistent or not. E.g. a node could disconnect while its
* ttvn is X and reconnect on ttvn = X + TTVN_MAX: in this case
* checking the CRC value is mandatory to detect the
- * inconsistency */
+ * inconsistency
+ */
if (orig_node->tt_crc != tt_crc)
goto request_table;
/* Roaming phase is over: tables are in sync again. I can
- * unset the flag */
+ * unset the flag
+ */
orig_node->tt_poss_change = false;
} else {
/* if we missed more than one change or our tables are not
- * in sync anymore -> request fresh tt data */
-
+ * in sync anymore -> request fresh tt data
+ */
if (!orig_node->tt_initialised || ttvn != orig_ttvn ||
orig_node->tt_crc != tt_crc) {
request_table:
- bat_dbg(DBG_TT, 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_dbg(BATADV_DBG_TT, 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);
+ batadv_send_tt_request(bat_priv, orig_node, ttvn,
+ tt_crc, full_table);
return;
}
}
@@@ -2349,18 -2124,17 +2349,18 @@@
* originator to another one. This entry is kept is still kept for consistency
* purposes
*/
-bool tt_global_client_is_roaming(struct bat_priv *bat_priv, uint8_t *addr)
+bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
+ uint8_t *addr)
{
- struct tt_global_entry *tt_global_entry;
+ struct batadv_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);
+ ret = tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM;
+ batadv_tt_global_entry_free_ref(tt_global_entry);
out:
return ret;
}
--
batman-adv
