-/* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2011-2013 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich
*
static const uint8_t batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05};
static void batadv_bla_periodic_work(struct work_struct *work);
-static void batadv_bla_send_announce(struct batadv_priv *bat_priv,
- struct batadv_backbone_gw *backbone_gw);
+static void
+batadv_bla_send_announce(struct batadv_priv *bat_priv,
+ struct batadv_bla_backbone_gw *backbone_gw);
/* return the index of the claim */
static inline uint32_t batadv_choose_claim(const void *data, uint32_t size)
{
- struct batadv_claim *claim = (struct batadv_claim *)data;
+ struct batadv_bla_claim *claim = (struct batadv_bla_claim *)data;
uint32_t hash = 0;
hash = batadv_hash_bytes(hash, &claim->addr, sizeof(claim->addr));
static inline uint32_t batadv_choose_backbone_gw(const void *data,
uint32_t size)
{
- struct batadv_claim *claim = (struct batadv_claim *)data;
+ const struct batadv_bla_claim *claim = (struct batadv_bla_claim *)data;
uint32_t hash = 0;
hash = batadv_hash_bytes(hash, &claim->addr, sizeof(claim->addr));
static int batadv_compare_backbone_gw(const struct hlist_node *node,
const void *data2)
{
- const void *data1 = container_of(node, struct batadv_backbone_gw,
+ const void *data1 = container_of(node, struct batadv_bla_backbone_gw,
hash_entry);
- const struct batadv_backbone_gw *gw1 = data1, *gw2 = data2;
+ const struct batadv_bla_backbone_gw *gw1 = data1, *gw2 = data2;
if (!batadv_compare_eth(gw1->orig, gw2->orig))
return 0;
static int batadv_compare_claim(const struct hlist_node *node,
const void *data2)
{
- const void *data1 = container_of(node, struct batadv_claim,
+ const void *data1 = container_of(node, struct batadv_bla_claim,
hash_entry);
- const struct batadv_claim *cl1 = data1, *cl2 = data2;
+ const struct batadv_bla_claim *cl1 = data1, *cl2 = data2;
if (!batadv_compare_eth(cl1->addr, cl2->addr))
return 0;
}
/* free a backbone gw */
-static void batadv_backbone_gw_free_ref(struct batadv_backbone_gw *backbone_gw)
+static void
+batadv_backbone_gw_free_ref(struct batadv_bla_backbone_gw *backbone_gw)
{
if (atomic_dec_and_test(&backbone_gw->refcount))
kfree_rcu(backbone_gw, rcu);
/* finally deinitialize the claim */
static void batadv_claim_free_rcu(struct rcu_head *rcu)
{
- struct batadv_claim *claim;
+ struct batadv_bla_claim *claim;
- claim = container_of(rcu, struct batadv_claim, rcu);
+ claim = container_of(rcu, struct batadv_bla_claim, rcu);
batadv_backbone_gw_free_ref(claim->backbone_gw);
kfree(claim);
}
/* free a claim, call claim_free_rcu if its the last reference */
-static void batadv_claim_free_ref(struct batadv_claim *claim)
+static void batadv_claim_free_ref(struct batadv_bla_claim *claim)
{
if (atomic_dec_and_test(&claim->refcount))
call_rcu(&claim->rcu, batadv_claim_free_rcu);
* looks for a claim in the hash, and returns it if found
* or NULL otherwise.
*/
-static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv,
- struct batadv_claim *data)
+static struct batadv_bla_claim
+*batadv_claim_hash_find(struct batadv_priv *bat_priv,
+ struct batadv_bla_claim *data)
{
struct batadv_hashtable *hash = bat_priv->bla.claim_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct batadv_claim *claim;
- struct batadv_claim *claim_tmp = NULL;
+ struct batadv_bla_claim *claim;
+ struct batadv_bla_claim *claim_tmp = NULL;
int index;
if (!hash)
*
* Returns claim if found or NULL otherwise.
*/
-static struct batadv_backbone_gw *
+static struct batadv_bla_backbone_gw *
batadv_backbone_hash_find(struct batadv_priv *bat_priv,
uint8_t *addr, short vid)
{
struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct batadv_backbone_gw search_entry, *backbone_gw;
- struct batadv_backbone_gw *backbone_gw_tmp = NULL;
+ struct batadv_bla_backbone_gw search_entry, *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw_tmp = NULL;
int index;
if (!hash)
/* delete all claims for a backbone */
static void
-batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw)
+batadv_bla_del_backbone_claims(struct batadv_bla_backbone_gw *backbone_gw)
{
struct batadv_hashtable *hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct batadv_claim *claim;
+ struct batadv_bla_claim *claim;
int i;
spinlock_t *list_lock; /* protects write access to the hash lists */
spin_lock_bh(list_lock);
hlist_for_each_entry_safe(claim, node, node_tmp,
head, hash_entry) {
-
if (claim->backbone_gw != backbone_gw)
continue;
"bla_send_claim(): REQUEST of %pM to %pMon vid %d\n",
ethhdr->h_source, ethhdr->h_dest, vid);
break;
-
}
if (vid != -1)
* searches for the backbone gw or creates a new one if it could not
* be found.
*/
-static struct batadv_backbone_gw *
+static struct batadv_bla_backbone_gw *
batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,
short vid, bool own_backbone)
{
- struct batadv_backbone_gw *entry;
+ struct batadv_bla_backbone_gw *entry;
struct batadv_orig_node *orig_node;
int hash_added;
struct batadv_hard_iface *primary_if,
short vid)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
backbone_gw = batadv_bla_get_backbone_gw(bat_priv,
primary_if->net_dev->dev_addr,
struct hlist_node *node;
struct hlist_head *head;
struct batadv_hashtable *hash;
- struct batadv_claim *claim;
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_claim *claim;
+ struct batadv_bla_backbone_gw *backbone_gw;
int i;
batadv_dbg(BATADV_DBG_BLA, bat_priv,
* After the request, it will repeat all of his own claims and finally
* send an announcement claim with which we can check again.
*/
-static void batadv_bla_send_request(struct batadv_backbone_gw *backbone_gw)
+static void batadv_bla_send_request(struct batadv_bla_backbone_gw *backbone_gw)
{
/* first, remove all old entries */
batadv_bla_del_backbone_claims(backbone_gw);
* places.
*/
static void batadv_bla_send_announce(struct batadv_priv *bat_priv,
- struct batadv_backbone_gw *backbone_gw)
+ struct batadv_bla_backbone_gw *backbone_gw)
{
uint8_t mac[ETH_ALEN];
__be16 crc;
batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,
BATADV_CLAIM_TYPE_ANNOUNCE);
-
}
/**
*/
static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
const uint8_t *mac, const short vid,
- struct batadv_backbone_gw *backbone_gw)
+ struct batadv_bla_backbone_gw *backbone_gw)
{
- struct batadv_claim *claim;
- struct batadv_claim search_claim;
+ struct batadv_bla_claim *claim;
+ struct batadv_bla_claim search_claim;
int hash_added;
memcpy(search_claim.addr, mac, ETH_ALEN);
claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
batadv_backbone_gw_free_ref(claim->backbone_gw);
-
}
/* set (new) backbone gw */
atomic_inc(&backbone_gw->refcount);
static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
const uint8_t *mac, const short vid)
{
- struct batadv_claim search_claim, *claim;
+ struct batadv_bla_claim search_claim, *claim;
memcpy(search_claim.addr, mac, ETH_ALEN);
search_claim.vid = vid;
uint8_t *an_addr, uint8_t *backbone_addr,
short vid)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
uint16_t crc;
if (memcmp(an_addr, batadv_announce_mac, 4) != 0)
crc = ntohs(*((__be16 *)(&an_addr[4])));
batadv_dbg(BATADV_DBG_BLA, bat_priv,
- "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n",
+ "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %#.4x\n",
vid, backbone_gw->orig, crc);
if (backbone_gw->crc != crc) {
batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
- "handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n",
+ "handle_announce(): CRC FAILED for %pM/%d (my = %#.4x, sent = %#.4x)\n",
backbone_gw->orig, backbone_gw->vid,
backbone_gw->crc, crc);
uint8_t *backbone_addr,
uint8_t *claim_addr, short vid)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
/* unclaim in any case if it is our own */
if (primary_if && batadv_compare_eth(backbone_addr,
uint8_t *backbone_addr, uint8_t *claim_addr,
short vid)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
/* register the gateway if not yet available, and add the claim. */
/* if our mesh friends mac is bigger, use it for ourselves. */
if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) {
batadv_dbg(BATADV_DBG_BLA, bat_priv,
- "taking other backbones claim group: %04x\n",
+ "taking other backbones claim group: %#.4x\n",
ntohs(bla_dst->group));
bla_dst_own->group = bla_dst->group;
}
*/
static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
struct batadv_hashtable *hash;
struct batadv_hard_iface *primary_if,
int now)
{
- struct batadv_claim *claim;
+ struct batadv_bla_claim *claim;
struct hlist_node *node;
struct hlist_head *head;
struct batadv_hashtable *hash;
struct batadv_hard_iface *primary_if,
struct batadv_hard_iface *oldif)
{
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
struct hlist_node *node;
struct hlist_head *head;
struct batadv_hashtable *hash;
}
}
-
-
-/* (re)start the timer */
-static void batadv_bla_start_timer(struct batadv_priv *bat_priv)
-{
- INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);
- queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
- msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
-}
-
/* periodic work to do:
* * purge structures when they are too old
* * send announcements
struct batadv_priv_bla *priv_bla;
struct hlist_node *node;
struct hlist_head *head;
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_hashtable *hash;
struct batadv_hard_iface *primary_if;
int i;
if (primary_if)
batadv_hardif_free_ref(primary_if);
- batadv_bla_start_timer(bat_priv);
+ queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
+ msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
}
/* The hash for claim and backbone hash receive the same key because they
batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");
- batadv_bla_start_timer(bat_priv);
+ INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);
+
+ queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
+ msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
return 0;
}
struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
int i;
if (!atomic_read(&bat_priv->bridge_loop_avoidance))
{
struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr;
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
short vid = -1;
if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))
bool is_bcast)
{
struct ethhdr *ethhdr;
- struct batadv_claim search_claim, *claim = NULL;
+ struct batadv_bla_claim search_claim, *claim = NULL;
struct batadv_hard_iface *primary_if;
int ret;
int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid)
{
struct ethhdr *ethhdr;
- struct batadv_claim search_claim, *claim = NULL;
+ struct batadv_bla_claim search_claim, *claim = NULL;
struct batadv_hard_iface *primary_if;
int ret = 0;
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->bla.claim_hash;
- struct batadv_claim *claim;
+ struct batadv_bla_claim *claim;
struct batadv_hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
- "Claims announced for the mesh %s (orig %pM, group id %04x)\n",
+ "Claims announced for the mesh %s (orig %pM, group id %#.4x)\n",
net_dev->name, primary_addr,
ntohs(bat_priv->bla.claim_dest.group));
- seq_printf(seq, " %-17s %-5s %-17s [o] (%-4s)\n",
+ seq_printf(seq, " %-17s %-5s %-17s [o] (%-6s)\n",
"Client", "VID", "Originator", "CRC");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
hlist_for_each_entry_rcu(claim, node, head, hash_entry) {
is_own = batadv_compare_eth(claim->backbone_gw->orig,
primary_addr);
- seq_printf(seq, " * %pM on % 5d by %pM [%c] (%04x)\n",
+ seq_printf(seq, " * %pM on % 5d by %pM [%c] (%#.4x)\n",
claim->addr, claim->vid,
claim->backbone_gw->orig,
(is_own ? 'x' : ' '),
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
- struct batadv_backbone_gw *backbone_gw;
+ struct batadv_bla_backbone_gw *backbone_gw;
struct batadv_hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
primary_addr = primary_if->net_dev->dev_addr;
seq_printf(seq,
- "Backbones announced for the mesh %s (orig %pM, group id %04x)\n",
+ "Backbones announced for the mesh %s (orig %pM, group id %#.4x)\n",
net_dev->name, primary_addr,
ntohs(bat_priv->bla.claim_dest.group));
- seq_printf(seq, " %-17s %-5s %-9s (%-4s)\n",
+ seq_printf(seq, " %-17s %-5s %-9s (%-6s)\n",
"Originator", "VID", "last seen", "CRC");
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
continue;
seq_printf(seq,
- " * %pM on % 5d % 4i.%03is (%04x)\n",
+ " * %pM on % 5d % 4i.%03is (%#.4x)\n",
backbone_gw->orig, backbone_gw->vid,
secs, msecs, backbone_gw->crc);
}
projects / ~andy / linux / blobdiff