#include <net/arp.h>
#include <linux/if_vlan.h>
-static const uint8_t announce_mac[4] = {0x43, 0x05, 0x43, 0x05};
+static const uint8_t batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05};
-static void bla_periodic_work(struct work_struct *work);
-static void bla_send_announce(struct bat_priv *bat_priv,
- struct backbone_gw *backbone_gw);
+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);
/* return the index of the claim */
-static inline uint32_t choose_claim(const void *data, uint32_t size)
+static inline uint32_t batadv_choose_claim(const void *data, uint32_t size)
{
const unsigned char *key = data;
uint32_t hash = 0;
}
/* return the index of the backbone gateway */
-static inline uint32_t choose_backbone_gw(const void *data, uint32_t size)
+static inline uint32_t batadv_choose_backbone_gw(const void *data,
+ uint32_t size)
{
const unsigned char *key = data;
uint32_t hash = 0;
/* compares address and vid of two backbone gws */
-static int compare_backbone_gw(const struct hlist_node *node, const void *data2)
+static int batadv_compare_backbone_gw(const struct hlist_node *node,
+ const void *data2)
{
- const void *data1 = container_of(node, struct backbone_gw,
+ const void *data1 = container_of(node, struct batadv_backbone_gw,
hash_entry);
return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
}
/* compares address and vid of two claims */
-static int compare_claim(const struct hlist_node *node, const void *data2)
+static int batadv_compare_claim(const struct hlist_node *node,
+ const void *data2)
{
- const void *data1 = container_of(node, struct claim,
+ const void *data1 = container_of(node, struct batadv_claim,
hash_entry);
return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
}
/* free a backbone gw */
-static void backbone_gw_free_ref(struct backbone_gw *backbone_gw)
+static void batadv_backbone_gw_free_ref(struct batadv_backbone_gw *backbone_gw)
{
if (atomic_dec_and_test(&backbone_gw->refcount))
kfree_rcu(backbone_gw, rcu);
}
/* finally deinitialize the claim */
-static void claim_free_rcu(struct rcu_head *rcu)
+static void batadv_claim_free_rcu(struct rcu_head *rcu)
{
- struct claim *claim;
+ struct batadv_claim *claim;
- claim = container_of(rcu, struct claim, rcu);
+ claim = container_of(rcu, struct batadv_claim, rcu);
- backbone_gw_free_ref(claim->backbone_gw);
+ batadv_backbone_gw_free_ref(claim->backbone_gw);
kfree(claim);
}
/* free a claim, call claim_free_rcu if its the last reference */
-static void claim_free_ref(struct claim *claim)
+static void batadv_claim_free_ref(struct batadv_claim *claim)
{
if (atomic_dec_and_test(&claim->refcount))
- call_rcu(&claim->rcu, claim_free_rcu);
+ call_rcu(&claim->rcu, batadv_claim_free_rcu);
}
/* @bat_priv: the bat priv with all the soft interface information
* looks for a claim in the hash, and returns it if found
* or NULL otherwise.
*/
-static struct claim *claim_hash_find(struct bat_priv *bat_priv,
- struct claim *data)
+static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv,
+ struct batadv_claim *data)
{
- struct hashtable_t *hash = bat_priv->claim_hash;
+ struct batadv_hashtable *hash = bat_priv->claim_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct claim *claim;
- struct claim *claim_tmp = NULL;
+ struct batadv_claim *claim;
+ struct batadv_claim *claim_tmp = NULL;
int index;
if (!hash)
return NULL;
- index = choose_claim(data, hash->size);
+ index = batadv_choose_claim(data, hash->size);
head = &hash->table[index];
rcu_read_lock();
hlist_for_each_entry_rcu(claim, node, head, hash_entry) {
- if (!compare_claim(&claim->hash_entry, data))
+ if (!batadv_compare_claim(&claim->hash_entry, data))
continue;
if (!atomic_inc_not_zero(&claim->refcount))
* looks for a claim in the hash, and returns it if found
* or NULL otherwise.
*/
-static struct backbone_gw *backbone_hash_find(struct bat_priv *bat_priv,
- uint8_t *addr, short vid)
+static struct batadv_backbone_gw *
+batadv_backbone_hash_find(struct batadv_priv *bat_priv,
+ uint8_t *addr, short vid)
{
- struct hashtable_t *hash = bat_priv->backbone_hash;
+ struct batadv_hashtable *hash = bat_priv->backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct backbone_gw search_entry, *backbone_gw;
- struct backbone_gw *backbone_gw_tmp = NULL;
+ struct batadv_backbone_gw search_entry, *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw_tmp = NULL;
int index;
if (!hash)
memcpy(search_entry.orig, addr, ETH_ALEN);
search_entry.vid = vid;
- index = choose_backbone_gw(&search_entry, hash->size);
+ index = batadv_choose_backbone_gw(&search_entry, hash->size);
head = &hash->table[index];
rcu_read_lock();
hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) {
- if (!compare_backbone_gw(&backbone_gw->hash_entry,
- &search_entry))
+ if (!batadv_compare_backbone_gw(&backbone_gw->hash_entry,
+ &search_entry))
continue;
if (!atomic_inc_not_zero(&backbone_gw->refcount))
}
/* delete all claims for a backbone */
-static void bla_del_backbone_claims(struct backbone_gw *backbone_gw)
+static void
+batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw)
{
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct claim *claim;
+ struct batadv_claim *claim;
int i;
spinlock_t *list_lock; /* protects write access to the hash lists */
if (claim->backbone_gw != backbone_gw)
continue;
- claim_free_ref(claim);
+ batadv_claim_free_ref(claim);
hlist_del_rcu(node);
}
spin_unlock_bh(list_lock);
}
/* all claims gone, intialize CRC */
- backbone_gw->crc = BLA_CRC_INIT;
+ backbone_gw->crc = BATADV_BLA_CRC_INIT;
}
/* @bat_priv: the bat priv with all the soft interface information
*
* sends a claim frame according to the provided info.
*/
-static void bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac,
- short vid, int claimtype)
+static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
+ short vid, int claimtype)
{
struct sk_buff *skb;
struct ethhdr *ethhdr;
- struct hard_iface *primary_if;
+ struct batadv_hard_iface *primary_if;
struct net_device *soft_iface;
uint8_t *hw_src;
- struct bla_claim_dst local_claim_dest;
+ struct batadv_bla_claim_dst local_claim_dest;
__be32 zeroip = 0;
primary_if = batadv_primary_if_get_selected(bat_priv);
/* now we pretend that the client would have sent this ... */
switch (claimtype) {
- case CLAIM_TYPE_ADD:
+ case BATADV_CLAIM_TYPE_ADD:
/* normal claim frame
* set Ethernet SRC to the clients mac
*/
memcpy(ethhdr->h_source, mac, ETH_ALEN);
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): CLAIM %pM on vid %d\n", mac, vid);
break;
- case CLAIM_TYPE_DEL:
+ case BATADV_CLAIM_TYPE_DEL:
/* unclaim frame
* set HW SRC to the clients mac
*/
memcpy(hw_src, mac, ETH_ALEN);
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): UNCLAIM %pM on vid %d\n", mac,
vid);
break;
- case CLAIM_TYPE_ANNOUNCE:
+ case BATADV_CLAIM_TYPE_ANNOUNCE:
/* announcement frame
* set HW SRC to the special mac containg the crc
*/
memcpy(hw_src, mac, ETH_ALEN);
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): ANNOUNCE of %pM on vid %d\n",
ethhdr->h_source, vid);
break;
- case CLAIM_TYPE_REQUEST:
+ case BATADV_CLAIM_TYPE_REQUEST:
/* request frame
* set HW SRC to the special mac containg the crc
*/
memcpy(hw_src, mac, ETH_ALEN);
memcpy(ethhdr->h_dest, mac, ETH_ALEN);
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): REQUEST of %pM to %pMon vid %d\n",
ethhdr->h_source, ethhdr->h_dest, vid);
break;
* searches for the backbone gw or creates a new one if it could not
* be found.
*/
-static struct backbone_gw *bla_get_backbone_gw(struct bat_priv *bat_priv,
- uint8_t *orig, short vid)
+static struct batadv_backbone_gw *
+batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,
+ short vid)
{
- struct backbone_gw *entry;
- struct orig_node *orig_node;
+ struct batadv_backbone_gw *entry;
+ struct batadv_orig_node *orig_node;
int hash_added;
- entry = backbone_hash_find(bat_priv, orig, vid);
+ entry = batadv_backbone_hash_find(bat_priv, orig, vid);
if (entry)
return entry;
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_get_backbone_gw(): not found (%pM, %d), creating new entry\n",
orig, vid);
entry->vid = vid;
entry->lasttime = jiffies;
- entry->crc = BLA_CRC_INIT;
+ entry->crc = BATADV_BLA_CRC_INIT;
entry->bat_priv = bat_priv;
atomic_set(&entry->request_sent, 0);
memcpy(entry->orig, orig, ETH_ALEN);
atomic_set(&entry->refcount, 2);
hash_added = batadv_hash_add(bat_priv->backbone_hash,
- compare_backbone_gw, choose_backbone_gw,
- entry, &entry->hash_entry);
+ batadv_compare_backbone_gw,
+ batadv_choose_backbone_gw, entry,
+ &entry->hash_entry);
if (unlikely(hash_added != 0)) {
/* hash failed, free the structure */
/* update or add the own backbone gw to make sure we announce
* where we receive other backbone gws
*/
-static void bla_update_own_backbone_gw(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- short vid)
+static void
+batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ short vid)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
- backbone_gw = bla_get_backbone_gw(bat_priv,
- primary_if->net_dev->dev_addr, vid);
+ backbone_gw = batadv_bla_get_backbone_gw(bat_priv,
+ primary_if->net_dev->dev_addr,
+ vid);
if (unlikely(!backbone_gw))
return;
backbone_gw->lasttime = jiffies;
- backbone_gw_free_ref(backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
}
/* @bat_priv: the bat priv with all the soft interface information
* Repeat all of our own claims, and finally send an ANNOUNCE frame
* to allow the requester another check if the CRC is correct now.
*/
-static void bla_answer_request(struct bat_priv *bat_priv,
- struct hard_iface *primary_if, short vid)
+static void batadv_bla_answer_request(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ short vid)
{
struct hlist_node *node;
struct hlist_head *head;
- struct hashtable_t *hash;
- struct claim *claim;
- struct backbone_gw *backbone_gw;
+ struct batadv_hashtable *hash;
+ struct batadv_claim *claim;
+ struct batadv_backbone_gw *backbone_gw;
int i;
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_answer_request(): received a claim request, send all of our own claims again\n");
- backbone_gw = backbone_hash_find(bat_priv,
- primary_if->net_dev->dev_addr, vid);
+ backbone_gw = batadv_backbone_hash_find(bat_priv,
+ primary_if->net_dev->dev_addr,
+ vid);
if (!backbone_gw)
return;
if (claim->backbone_gw != backbone_gw)
continue;
- bla_send_claim(bat_priv, claim->addr, claim->vid,
- CLAIM_TYPE_ADD);
+ batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,
+ BATADV_CLAIM_TYPE_ADD);
}
rcu_read_unlock();
}
/* finally, send an announcement frame */
- bla_send_announce(bat_priv, backbone_gw);
- backbone_gw_free_ref(backbone_gw);
+ batadv_bla_send_announce(bat_priv, backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
}
/* @backbone_gw: the backbone gateway from whom we are out of sync
* 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 bla_send_request(struct backbone_gw *backbone_gw)
+static void batadv_bla_send_request(struct batadv_backbone_gw *backbone_gw)
{
/* first, remove all old entries */
- bla_del_backbone_claims(backbone_gw);
+ batadv_bla_del_backbone_claims(backbone_gw);
- batadv_dbg(DBG_BLA, backbone_gw->bat_priv, "Sending REQUEST to %pM\n",
- backbone_gw->orig);
+ batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
+ "Sending REQUEST to %pM\n", backbone_gw->orig);
/* send request */
- bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,
- backbone_gw->vid, CLAIM_TYPE_REQUEST);
+ batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,
+ backbone_gw->vid, BATADV_CLAIM_TYPE_REQUEST);
/* no local broadcasts should be sent or received, for now. */
if (!atomic_read(&backbone_gw->request_sent)) {
* This function sends an announcement. It is called from multiple
* places.
*/
-static void bla_send_announce(struct bat_priv *bat_priv,
- struct backbone_gw *backbone_gw)
+static void batadv_bla_send_announce(struct batadv_priv *bat_priv,
+ struct batadv_backbone_gw *backbone_gw)
{
uint8_t mac[ETH_ALEN];
__be16 crc;
- memcpy(mac, announce_mac, 4);
+ memcpy(mac, batadv_announce_mac, 4);
crc = htons(backbone_gw->crc);
memcpy(&mac[4], &crc, 2);
- bla_send_claim(bat_priv, mac, backbone_gw->vid, CLAIM_TYPE_ANNOUNCE);
+ batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,
+ BATADV_CLAIM_TYPE_ANNOUNCE);
}
*
* Adds a claim in the claim hash.
*/
-static void bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac,
- const short vid, struct backbone_gw *backbone_gw)
+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 claim *claim;
- struct claim search_claim;
+ struct batadv_claim *claim;
+ struct batadv_claim search_claim;
int hash_added;
memcpy(search_claim.addr, mac, ETH_ALEN);
search_claim.vid = vid;
- claim = claim_hash_find(bat_priv, &search_claim);
+ claim = batadv_claim_hash_find(bat_priv, &search_claim);
/* create a new claim entry if it does not exist yet. */
if (!claim) {
claim->backbone_gw = backbone_gw;
atomic_set(&claim->refcount, 2);
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_add_claim(): adding new entry %pM, vid %d to hash ...\n",
mac, vid);
hash_added = batadv_hash_add(bat_priv->claim_hash,
- compare_claim, choose_claim,
- claim, &claim->hash_entry);
+ batadv_compare_claim,
+ batadv_choose_claim, claim,
+ &claim->hash_entry);
if (unlikely(hash_added != 0)) {
/* only local changes happened. */
/* no need to register a new backbone */
goto claim_free_ref;
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_add_claim(): changing ownership for %pM, vid %d\n",
mac, vid);
claim->backbone_gw->crc ^=
crc16(0, claim->addr, ETH_ALEN);
- backbone_gw_free_ref(claim->backbone_gw);
+ batadv_backbone_gw_free_ref(claim->backbone_gw);
}
/* set (new) backbone gw */
backbone_gw->lasttime = jiffies;
claim_free_ref:
- claim_free_ref(claim);
+ batadv_claim_free_ref(claim);
}
/* Delete a claim from the claim hash which has the
* given mac address and vid.
*/
-static void bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac,
- const short vid)
+static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
+ const uint8_t *mac, const short vid)
{
- struct claim search_claim, *claim;
+ struct batadv_claim search_claim, *claim;
memcpy(search_claim.addr, mac, ETH_ALEN);
search_claim.vid = vid;
- claim = claim_hash_find(bat_priv, &search_claim);
+ claim = batadv_claim_hash_find(bat_priv, &search_claim);
if (!claim)
return;
- batadv_dbg(DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n", mac,
- vid);
+ batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",
+ mac, vid);
- batadv_hash_remove(bat_priv->claim_hash, compare_claim, choose_claim,
- claim);
- claim_free_ref(claim); /* reference from the hash is gone */
+ batadv_hash_remove(bat_priv->claim_hash, batadv_compare_claim,
+ batadv_choose_claim, claim);
+ batadv_claim_free_ref(claim); /* reference from the hash is gone */
claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
/* don't need the reference from hash_find() anymore */
- claim_free_ref(claim);
+ batadv_claim_free_ref(claim);
}
/* check for ANNOUNCE frame, return 1 if handled */
-static int handle_announce(struct bat_priv *bat_priv,
- uint8_t *an_addr, uint8_t *backbone_addr, short vid)
+static int batadv_handle_announce(struct batadv_priv *bat_priv,
+ uint8_t *an_addr, uint8_t *backbone_addr,
+ short vid)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
uint16_t crc;
- if (memcmp(an_addr, announce_mac, 4) != 0)
+ if (memcmp(an_addr, batadv_announce_mac, 4) != 0)
return 0;
- backbone_gw = bla_get_backbone_gw(bat_priv, backbone_addr, vid);
+ backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid);
if (unlikely(!backbone_gw))
return 1;
backbone_gw->lasttime = jiffies;
crc = ntohs(*((__be16 *)(&an_addr[4])));
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n",
vid, backbone_gw->orig, crc);
if (backbone_gw->crc != crc) {
- batadv_dbg(DBG_BLA, backbone_gw->bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
"handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n",
backbone_gw->orig, backbone_gw->vid,
backbone_gw->crc, crc);
- bla_send_request(backbone_gw);
+ batadv_bla_send_request(backbone_gw);
} else {
/* if we have sent a request and the crc was OK,
* we can allow traffic again.
}
}
- backbone_gw_free_ref(backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
return 1;
}
/* check for REQUEST frame, return 1 if handled */
-static int handle_request(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- uint8_t *backbone_addr,
- struct ethhdr *ethhdr, short vid)
+static int batadv_handle_request(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ uint8_t *backbone_addr,
+ struct ethhdr *ethhdr, short vid)
{
/* check for REQUEST frame */
if (!batadv_compare_eth(backbone_addr, ethhdr->h_dest))
if (!batadv_compare_eth(ethhdr->h_dest, primary_if->net_dev->dev_addr))
return 1;
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_request(): REQUEST vid %d (sent by %pM)...\n",
vid, ethhdr->h_source);
- bla_answer_request(bat_priv, primary_if, vid);
+ batadv_bla_answer_request(bat_priv, primary_if, vid);
return 1;
}
/* check for UNCLAIM frame, return 1 if handled */
-static int handle_unclaim(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- uint8_t *backbone_addr,
- uint8_t *claim_addr, short vid)
+static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ uint8_t *backbone_addr,
+ uint8_t *claim_addr, short vid)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
/* unclaim in any case if it is our own */
if (primary_if && batadv_compare_eth(backbone_addr,
primary_if->net_dev->dev_addr))
- bla_send_claim(bat_priv, claim_addr, vid, CLAIM_TYPE_DEL);
+ batadv_bla_send_claim(bat_priv, claim_addr, vid,
+ BATADV_CLAIM_TYPE_DEL);
- backbone_gw = backbone_hash_find(bat_priv, backbone_addr, vid);
+ backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);
if (!backbone_gw)
return 1;
/* this must be an UNCLAIM frame */
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_unclaim(): UNCLAIM %pM on vid %d (sent by %pM)...\n",
claim_addr, vid, backbone_gw->orig);
- bla_del_claim(bat_priv, claim_addr, vid);
- backbone_gw_free_ref(backbone_gw);
+ batadv_bla_del_claim(bat_priv, claim_addr, vid);
+ batadv_backbone_gw_free_ref(backbone_gw);
return 1;
}
/* check for CLAIM frame, return 1 if handled */
-static int handle_claim(struct bat_priv *bat_priv,
- struct hard_iface *primary_if, uint8_t *backbone_addr,
- uint8_t *claim_addr, short vid)
+static int batadv_handle_claim(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ uint8_t *backbone_addr, uint8_t *claim_addr,
+ short vid)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
/* register the gateway if not yet available, and add the claim. */
- backbone_gw = bla_get_backbone_gw(bat_priv, backbone_addr, vid);
+ backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_addr, vid);
if (unlikely(!backbone_gw))
return 1;
/* this must be a CLAIM frame */
- bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
+ batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr))
- bla_send_claim(bat_priv, claim_addr, vid, CLAIM_TYPE_ADD);
+ batadv_bla_send_claim(bat_priv, claim_addr, vid,
+ BATADV_CLAIM_TYPE_ADD);
/* TODO: we could call something like tt_local_del() here. */
- backbone_gw_free_ref(backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
return 1;
}
* 1 - if is a claim packet from another group
* 0 - if it is not a claim packet
*/
-static int check_claim_group(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- uint8_t *hw_src, uint8_t *hw_dst,
- struct ethhdr *ethhdr)
+static int batadv_check_claim_group(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ uint8_t *hw_src, uint8_t *hw_dst,
+ struct ethhdr *ethhdr)
{
uint8_t *backbone_addr;
- struct orig_node *orig_node;
- struct bla_claim_dst *bla_dst, *bla_dst_own;
+ struct batadv_orig_node *orig_node;
+ struct batadv_bla_claim_dst *bla_dst, *bla_dst_own;
- bla_dst = (struct bla_claim_dst *)hw_dst;
+ bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
bla_dst_own = &bat_priv->claim_dest;
/* check if it is a claim packet in general */
* otherwise assume it is in the hw_src
*/
switch (bla_dst->type) {
- case CLAIM_TYPE_ADD:
+ case BATADV_CLAIM_TYPE_ADD:
backbone_addr = hw_src;
break;
- case CLAIM_TYPE_REQUEST:
- case CLAIM_TYPE_ANNOUNCE:
- case CLAIM_TYPE_DEL:
+ case BATADV_CLAIM_TYPE_REQUEST:
+ case BATADV_CLAIM_TYPE_ANNOUNCE:
+ case BATADV_CLAIM_TYPE_DEL:
backbone_addr = ethhdr->h_source;
break;
default:
/* if our mesh friends mac is bigger, use it for ourselves. */
if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) {
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"taking other backbones claim group: %04x\n",
ntohs(bla_dst->group));
bla_dst_own->group = bla_dst->group;
* returns 1 if it was a claim frame, otherwise return 0 to
* tell the callee that it can use the frame on its own.
*/
-static int bla_process_claim(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- struct sk_buff *skb)
+static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ struct sk_buff *skb)
{
struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr;
struct arphdr *arphdr;
uint8_t *hw_src, *hw_dst;
- struct bla_claim_dst *bla_dst;
+ struct batadv_bla_claim_dst *bla_dst;
uint16_t proto;
int headlen;
short vid = -1;
hw_src = (uint8_t *)arphdr + sizeof(struct arphdr);
hw_dst = hw_src + ETH_ALEN + 4;
- bla_dst = (struct bla_claim_dst *)hw_dst;
+ bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
/* check if it is a claim frame. */
- ret = check_claim_group(bat_priv, primary_if, hw_src, hw_dst, ethhdr);
+ ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,
+ ethhdr);
if (ret == 1)
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_process_claim(): received a claim frame from another group. From: %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n",
ethhdr->h_source, vid, hw_src, hw_dst);
return ret;
/* become a backbone gw ourselves on this vlan if not happened yet */
- bla_update_own_backbone_gw(bat_priv, primary_if, vid);
+ batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
/* check for the different types of claim frames ... */
switch (bla_dst->type) {
- case CLAIM_TYPE_ADD:
- if (handle_claim(bat_priv, primary_if, hw_src,
- ethhdr->h_source, vid))
+ case BATADV_CLAIM_TYPE_ADD:
+ if (batadv_handle_claim(bat_priv, primary_if, hw_src,
+ ethhdr->h_source, vid))
return 1;
break;
- case CLAIM_TYPE_DEL:
- if (handle_unclaim(bat_priv, primary_if,
- ethhdr->h_source, hw_src, vid))
+ case BATADV_CLAIM_TYPE_DEL:
+ if (batadv_handle_unclaim(bat_priv, primary_if,
+ ethhdr->h_source, hw_src, vid))
return 1;
break;
- case CLAIM_TYPE_ANNOUNCE:
- if (handle_announce(bat_priv, hw_src, ethhdr->h_source, vid))
+ case BATADV_CLAIM_TYPE_ANNOUNCE:
+ if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,
+ vid))
return 1;
break;
- case CLAIM_TYPE_REQUEST:
- if (handle_request(bat_priv, primary_if, hw_src, ethhdr, vid))
+ case BATADV_CLAIM_TYPE_REQUEST:
+ if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,
+ vid))
return 1;
break;
}
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_process_claim(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n",
ethhdr->h_source, vid, hw_src, hw_dst);
return 1;
/* Check when we last heard from other nodes, and remove them in case of
* a time out, or clean all backbone gws if now is set.
*/
-static void bla_purge_backbone_gw(struct bat_priv *bat_priv, int now)
+static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */
int i;
if (now)
goto purge_now;
if (!batadv_has_timed_out(backbone_gw->lasttime,
- BLA_BACKBONE_TIMEOUT))
+ BATADV_BLA_BACKBONE_TIMEOUT))
continue;
- batadv_dbg(DBG_BLA, backbone_gw->bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
"bla_purge_backbone_gw(): backbone gw %pM timed out\n",
backbone_gw->orig);
if (atomic_read(&backbone_gw->request_sent))
atomic_dec(&bat_priv->bla_num_requests);
- bla_del_backbone_claims(backbone_gw);
+ batadv_bla_del_backbone_claims(backbone_gw);
hlist_del_rcu(node);
- backbone_gw_free_ref(backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
}
spin_unlock_bh(list_lock);
}
* Check when we heard last time from our own claims, and remove them in case of
* a time out, or clean all claims if now is set
*/
-static void bla_purge_claims(struct bat_priv *bat_priv,
- struct hard_iface *primary_if, int now)
+static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ int now)
{
- struct claim *claim;
+ struct batadv_claim *claim;
struct hlist_node *node;
struct hlist_head *head;
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
int i;
hash = bat_priv->claim_hash;
primary_if->net_dev->dev_addr))
continue;
if (!batadv_has_timed_out(claim->lasttime,
- BLA_CLAIM_TIMEOUT))
+ BATADV_BLA_CLAIM_TIMEOUT))
continue;
- batadv_dbg(DBG_BLA, bat_priv,
+ batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_purge_claims(): %pM, vid %d, time out\n",
claim->addr, claim->vid);
purge_now:
- handle_unclaim(bat_priv, primary_if,
- claim->backbone_gw->orig,
- claim->addr, claim->vid);
+ batadv_handle_unclaim(bat_priv, primary_if,
+ claim->backbone_gw->orig,
+ claim->addr, claim->vid);
}
rcu_read_unlock();
}
*
* Update the backbone gateways when the own orig address changes.
*/
-void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
- struct hard_iface *primary_if,
- struct hard_iface *oldif)
+void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
+ struct batadv_hard_iface *primary_if,
+ struct batadv_hard_iface *oldif)
{
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
struct hlist_node *node;
struct hlist_head *head;
- struct hashtable_t *hash;
+ struct batadv_hashtable *hash;
int i;
/* reset bridge loop avoidance group id */
htons(crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN));
if (!oldif) {
- bla_purge_claims(bat_priv, NULL, 1);
- bla_purge_backbone_gw(bat_priv, 1);
+ batadv_bla_purge_claims(bat_priv, NULL, 1);
+ batadv_bla_purge_backbone_gw(bat_priv, 1);
return;
}
/* send an announce frame so others will ask for our
* claims and update their tables.
*/
- bla_send_announce(bat_priv, backbone_gw);
+ batadv_bla_send_announce(bat_priv, backbone_gw);
}
rcu_read_unlock();
}
/* (re)start the timer */
-static void bla_start_timer(struct bat_priv *bat_priv)
+static void batadv_bla_start_timer(struct batadv_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->bla_work, bla_periodic_work);
+ INIT_DELAYED_WORK(&bat_priv->bla_work, batadv_bla_periodic_work);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work,
- msecs_to_jiffies(BLA_PERIOD_LENGTH));
+ msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
}
/* periodic work to do:
* * purge structures when they are too old
* * send announcements
*/
-static void bla_periodic_work(struct work_struct *work)
+static void batadv_bla_periodic_work(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, bla_work);
+ struct batadv_priv *bat_priv;
struct hlist_node *node;
struct hlist_head *head;
- struct backbone_gw *backbone_gw;
- struct hashtable_t *hash;
- struct hard_iface *primary_if;
+ struct batadv_backbone_gw *backbone_gw;
+ struct batadv_hashtable *hash;
+ struct batadv_hard_iface *primary_if;
int i;
+ bat_priv = container_of(delayed_work, struct batadv_priv, bla_work);
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
- bla_purge_claims(bat_priv, primary_if, 0);
- bla_purge_backbone_gw(bat_priv, 0);
+ batadv_bla_purge_claims(bat_priv, primary_if, 0);
+ batadv_bla_purge_backbone_gw(bat_priv, 0);
if (!atomic_read(&bat_priv->bridge_loop_avoidance))
goto out;
backbone_gw->lasttime = jiffies;
- bla_send_announce(bat_priv, backbone_gw);
+ batadv_bla_send_announce(bat_priv, backbone_gw);
}
rcu_read_unlock();
}
if (primary_if)
batadv_hardif_free_ref(primary_if);
- bla_start_timer(bat_priv);
+ batadv_bla_start_timer(bat_priv);
}
/* The hash for claim and backbone hash receive the same key because they
* them with to different keys to allow nested locking without generating
* lockdep warnings
*/
-static struct lock_class_key claim_hash_lock_class_key;
-static struct lock_class_key backbone_hash_lock_class_key;
+static struct lock_class_key batadv_claim_hash_lock_class_key;
+static struct lock_class_key batadv_backbone_hash_lock_class_key;
/* initialize all bla structures */
-int batadv_bla_init(struct bat_priv *bat_priv)
+int batadv_bla_init(struct batadv_priv *bat_priv)
{
int i;
uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00};
- struct hard_iface *primary_if;
+ struct batadv_hard_iface *primary_if;
- batadv_dbg(DBG_BLA, bat_priv, "bla hash registering\n");
+ batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");
/* setting claim destination address */
memcpy(&bat_priv->claim_dest.magic, claim_dest, 3);
}
/* initialize the duplicate list */
- for (i = 0; i < DUPLIST_SIZE; i++)
+ for (i = 0; i < BATADV_DUPLIST_SIZE; i++)
bat_priv->bcast_duplist[i].entrytime =
- jiffies - msecs_to_jiffies(DUPLIST_TIMEOUT);
+ jiffies - msecs_to_jiffies(BATADV_DUPLIST_TIMEOUT);
bat_priv->bcast_duplist_curr = 0;
if (bat_priv->claim_hash)
return -ENOMEM;
batadv_hash_set_lock_class(bat_priv->claim_hash,
- &claim_hash_lock_class_key);
+ &batadv_claim_hash_lock_class_key);
batadv_hash_set_lock_class(bat_priv->backbone_hash,
- &backbone_hash_lock_class_key);
+ &batadv_backbone_hash_lock_class_key);
- batadv_dbg(DBG_BLA, bat_priv, "bla hashes initialized\n");
+ batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");
- bla_start_timer(bat_priv);
+ batadv_bla_start_timer(bat_priv);
return 0;
}
* sent by another host, drop it. We allow equal packets from
* the same host however as this might be intended.
*/
-int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
- struct bcast_packet *bcast_packet,
+int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
+ struct batadv_bcast_packet *bcast_packet,
int hdr_size)
{
int i, length, curr;
uint8_t *content;
uint16_t crc;
- struct bcast_duplist_entry *entry;
+ struct batadv_bcast_duplist_entry *entry;
length = hdr_size - sizeof(*bcast_packet);
content = (uint8_t *)bcast_packet;
/* calculate the crc ... */
crc = crc16(0, content, length);
- for (i = 0 ; i < DUPLIST_SIZE; i++) {
- curr = (bat_priv->bcast_duplist_curr + i) % DUPLIST_SIZE;
+ for (i = 0; i < BATADV_DUPLIST_SIZE; i++) {
+ curr = (bat_priv->bcast_duplist_curr + i) % BATADV_DUPLIST_SIZE;
entry = &bat_priv->bcast_duplist[curr];
/* we can stop searching if the entry is too old ;
* later entries will be even older
*/
- if (batadv_has_timed_out(entry->entrytime, DUPLIST_TIMEOUT))
+ if (batadv_has_timed_out(entry->entrytime,
+ BATADV_DUPLIST_TIMEOUT))
break;
if (entry->crc != crc)
return 1;
}
/* not found, add a new entry (overwrite the oldest entry) */
- curr = (bat_priv->bcast_duplist_curr + DUPLIST_SIZE - 1) % DUPLIST_SIZE;
+ curr = (bat_priv->bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);
+ curr %= BATADV_DUPLIST_SIZE;
entry = &bat_priv->bcast_duplist[curr];
entry->crc = crc;
entry->entrytime = jiffies;
*
* returns 1 if it is found, 0 otherwise
*/
-int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig)
+int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig)
{
- struct hashtable_t *hash = bat_priv->backbone_hash;
+ struct batadv_hashtable *hash = bat_priv->backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
int i;
if (!atomic_read(&bat_priv->bridge_loop_avoidance))
* returns 0.
*/
int batadv_bla_is_backbone_gw(struct sk_buff *skb,
- struct orig_node *orig_node, int hdr_size)
+ struct batadv_orig_node *orig_node, int hdr_size)
{
struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr;
- struct backbone_gw *backbone_gw;
+ struct batadv_backbone_gw *backbone_gw;
short vid = -1;
if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))
}
/* see if this originator is a backbone gw for this VLAN */
- backbone_gw = backbone_hash_find(orig_node->bat_priv,
- orig_node->orig, vid);
+ backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,
+ orig_node->orig, vid);
if (!backbone_gw)
return 0;
- backbone_gw_free_ref(backbone_gw);
+ batadv_backbone_gw_free_ref(backbone_gw);
return 1;
}
/* free all bla structures (for softinterface free or module unload) */
-void batadv_bla_free(struct bat_priv *bat_priv)
+void batadv_bla_free(struct batadv_priv *bat_priv)
{
- struct hard_iface *primary_if;
+ struct batadv_hard_iface *primary_if;
cancel_delayed_work_sync(&bat_priv->bla_work);
primary_if = batadv_primary_if_get_selected(bat_priv);
if (bat_priv->claim_hash) {
- bla_purge_claims(bat_priv, primary_if, 1);
+ batadv_bla_purge_claims(bat_priv, primary_if, 1);
batadv_hash_destroy(bat_priv->claim_hash);
bat_priv->claim_hash = NULL;
}
if (bat_priv->backbone_hash) {
- bla_purge_backbone_gw(bat_priv, 1);
+ batadv_bla_purge_backbone_gw(bat_priv, 1);
batadv_hash_destroy(bat_priv->backbone_hash);
bat_priv->backbone_hash = NULL;
}
* returns 1, otherwise it returns 0 and the caller shall further
* process the skb.
*/
-int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid)
+int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid)
{
struct ethhdr *ethhdr;
- struct claim search_claim, *claim = NULL;
- struct hard_iface *primary_if;
+ struct batadv_claim search_claim, *claim = NULL;
+ struct batadv_hard_iface *primary_if;
int ret;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
search_claim.vid = vid;
- claim = claim_hash_find(bat_priv, &search_claim);
+ claim = batadv_claim_hash_find(bat_priv, &search_claim);
if (!claim) {
/* possible optimization: race for a claim */
/* No claim exists yet, claim it for us!
*/
- handle_claim(bat_priv, primary_if,
- primary_if->net_dev->dev_addr,
- ethhdr->h_source, vid);
+ batadv_handle_claim(bat_priv, primary_if,
+ primary_if->net_dev->dev_addr,
+ ethhdr->h_source, vid);
goto allow;
}
* send a claim and update the claim table
* immediately.
*/
- handle_claim(bat_priv, primary_if,
- primary_if->net_dev->dev_addr,
- ethhdr->h_source, vid);
+ batadv_handle_claim(bat_priv, primary_if,
+ primary_if->net_dev->dev_addr,
+ ethhdr->h_source, vid);
goto allow;
}
allow:
- bla_update_own_backbone_gw(bat_priv, primary_if, vid);
+ batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
ret = 0;
goto out;
if (primary_if)
batadv_hardif_free_ref(primary_if);
if (claim)
- claim_free_ref(claim);
+ batadv_claim_free_ref(claim);
return ret;
}
* returns 1, otherwise it returns 0 and the caller shall further
* process the skb.
*/
-int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid)
+int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid)
{
struct ethhdr *ethhdr;
- struct claim search_claim, *claim = NULL;
- struct hard_iface *primary_if;
+ struct batadv_claim search_claim, *claim = NULL;
+ struct batadv_hard_iface *primary_if;
int ret = 0;
primary_if = batadv_primary_if_get_selected(bat_priv);
/* in VLAN case, the mac header might not be set. */
skb_reset_mac_header(skb);
- if (bla_process_claim(bat_priv, primary_if, skb))
+ if (batadv_bla_process_claim(bat_priv, primary_if, skb))
goto handled;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN);
search_claim.vid = vid;
- claim = claim_hash_find(bat_priv, &search_claim);
+ claim = batadv_claim_hash_find(bat_priv, &search_claim);
/* if no claim exists, allow it. */
if (!claim)
/* if yes, the client has roamed and we have
* to unclaim it.
*/
- handle_unclaim(bat_priv, primary_if,
- primary_if->net_dev->dev_addr,
- ethhdr->h_source, vid);
+ batadv_handle_unclaim(bat_priv, primary_if,
+ primary_if->net_dev->dev_addr,
+ ethhdr->h_source, vid);
goto allow;
}
goto allow;
}
allow:
- bla_update_own_backbone_gw(bat_priv, primary_if, vid);
+ batadv_bla_update_own_backbone_gw(bat_priv, primary_if, vid);
ret = 0;
goto out;
handled:
if (primary_if)
batadv_hardif_free_ref(primary_if);
if (claim)
- claim_free_ref(claim);
+ batadv_claim_free_ref(claim);
return ret;
}
int batadv_bla_claim_table_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->claim_hash;
- struct claim *claim;
- struct hard_iface *primary_if;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hashtable *hash = bat_priv->claim_hash;
+ struct batadv_claim *claim;
+ struct batadv_hard_iface *primary_if;
struct hlist_node *node;
struct hlist_head *head;
uint32_t i;
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);
projects / mirror_ubuntu-zesty-kernel.git / blobdiff