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Included changes: 

- The last batch of patches aimed to clean the batman-adv namespace
 - a couple of style fixes
 - a fix for the ethtool support
 - a fix to prevent sending unicast packets with an uninitialised header
   field
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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge

Included changes:
- The last batch of patches aimed to clean the batman-adv namespace
- a couple of style fixes
- a fix for the ethtool support
- a fix to prevent sending unicast packets with an uninitialised header
  field

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-07-01 17:56:33 -07:00
parent a59a4d1921 162d549c69
commit e87183c2b5
37 changed files with 2010 additions and 1843 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/batman-adv/Makefile
View File

@ -19,11 +19,10 @@
#
obj-$(CONFIG_BATMAN_ADV) += batman-adv.o
batman-adv-y += bat_debugfs.o
batman-adv-y += bat_iv_ogm.o
batman-adv-y += bat_sysfs.o
batman-adv-y += bitarray.o
batman-adv-$(CONFIG_BATMAN_ADV_BLA) += bridge_loop_avoidance.o
batman-adv-y += debugfs.o
batman-adv-y += gateway_client.o
batman-adv-y += gateway_common.o
batman-adv-y += hard-interface.o
@ -35,6 +34,7 @@ batman-adv-y += ring_buffer.o
batman-adv-y += routing.o
batman-adv-y += send.o
batman-adv-y += soft-interface.o
batman-adv-y += sysfs.o
batman-adv-y += translation-table.o
batman-adv-y += unicast.o
batman-adv-y += vis.o

459
net/batman-adv/bat_iv_ogm.c
View File

File diff suppressed because it is too large Load Diff

6
net/batman-adv/bitarray.c
View File

@ -41,7 +41,7 @@ static void batadv_bitmap_shift_left(unsigned long *seq_bits, int32_t n)
int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
int32_t seq_num_diff, int set_mark)
{
struct bat_priv *bat_priv = priv;
struct batadv_priv *bat_priv = priv;
/* sequence number is slightly older. We already got a sequence number
* higher than this one, so we just mark it.
@ -66,7 +66,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
/* sequence number is much newer, probably missed a lot of packets */
if (seq_num_diff >= BATADV_TQ_LOCAL_WINDOW_SIZE &&
seq_num_diff < BATADV_EXPECTED_SEQNO_RANGE) {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"We missed a lot of packets (%i) !\n",
seq_num_diff - 1);
bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
@ -83,7 +83,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE ||
seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Other host probably restarted!\n");
bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);

302
net/batman-adv/bridge_loop_avoidance.c
View File

@ -34,8 +34,8 @@
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 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);
/* return the index of the claim */
static inline uint32_t batadv_choose_claim(const void *data, uint32_t size)
@ -83,7 +83,7 @@ static inline uint32_t batadv_choose_backbone_gw(const void *data,
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);
@ -93,14 +93,14 @@ static int batadv_compare_backbone_gw(const struct hlist_node *node,
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 batadv_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);
@ -109,16 +109,16 @@ static void batadv_backbone_gw_free_ref(struct backbone_gw *backbone_gw)
/* finally deinitialize the claim */
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);
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 claim *claim)
static void batadv_claim_free_ref(struct batadv_claim *claim)
{
if (atomic_dec_and_test(&claim->refcount))
call_rcu(&claim->rcu, batadv_claim_free_rcu);
@ -130,14 +130,14 @@ static void batadv_claim_free_ref(struct claim *claim)
* looks for a claim in the hash, and returns it if found
* or NULL otherwise.
*/
static struct claim *batadv_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)
@ -169,14 +169,15 @@ static struct claim *batadv_claim_hash_find(struct bat_priv *bat_priv,
* looks for a claim in the hash, and returns it if found
* or NULL otherwise.
*/
static struct backbone_gw *batadv_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)
@ -206,12 +207,13 @@ static struct backbone_gw *batadv_backbone_hash_find(struct bat_priv *bat_priv,
}
/* delete all claims for a backbone */
static void batadv_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 */
@ -247,15 +249,15 @@ static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw)
*
* sends a claim frame according to the provided info.
*/
static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac,
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);
@ -292,39 +294,39 @@ static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac,
/* 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;
@ -353,11 +355,12 @@ out:
* searches for the backbone gw or creates a new one if it could not
* be found.
*/
static struct backbone_gw *batadv_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 = batadv_backbone_hash_find(bat_priv, orig, vid);
@ -365,7 +368,7 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv,
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);
@ -407,11 +410,12 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv,
/* update or add the own backbone gw to make sure we announce
* where we receive other backbone gws
*/
static void batadv_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 = batadv_bla_get_backbone_gw(bat_priv,
primary_if->net_dev->dev_addr,
@ -429,17 +433,18 @@ static void batadv_bla_update_own_backbone_gw(struct bat_priv *bat_priv,
* 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 batadv_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 = batadv_backbone_hash_find(bat_priv,
@ -459,7 +464,7 @@ static void batadv_bla_answer_request(struct bat_priv *bat_priv,
continue;
batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,
CLAIM_TYPE_ADD);
BATADV_CLAIM_TYPE_ADD);
}
rcu_read_unlock();
}
@ -475,17 +480,17 @@ static void batadv_bla_answer_request(struct bat_priv *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 backbone_gw *backbone_gw)
static void batadv_bla_send_request(struct batadv_backbone_gw *backbone_gw)
{
/* first, remove all old entries */
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 */
batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,
backbone_gw->vid, CLAIM_TYPE_REQUEST);
backbone_gw->vid, BATADV_CLAIM_TYPE_REQUEST);
/* no local broadcasts should be sent or received, for now. */
if (!atomic_read(&backbone_gw->request_sent)) {
@ -500,8 +505,8 @@ static void batadv_bla_send_request(struct backbone_gw *backbone_gw)
* This function sends an announcement. It is called from multiple
* places.
*/
static void batadv_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;
@ -511,7 +516,7 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv,
memcpy(&mac[4], &crc, 2);
batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,
CLAIM_TYPE_ANNOUNCE);
BATADV_CLAIM_TYPE_ANNOUNCE);
}
@ -522,12 +527,12 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv,
*
* Adds a claim in the claim hash.
*/
static void batadv_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);
@ -546,7 +551,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac,
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,
@ -565,7 +570,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac,
/* 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);
@ -588,10 +593,10 @@ claim_free_ref:
/* Delete a claim from the claim hash which has the
* given mac address and vid.
*/
static void batadv_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;
@ -599,8 +604,8 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac,
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, batadv_compare_claim,
batadv_choose_claim, claim);
@ -613,11 +618,11 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac,
}
/* check for ANNOUNCE frame, return 1 if handled */
static int batadv_handle_announce(struct bat_priv *bat_priv,
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, batadv_announce_mac, 4) != 0)
@ -633,12 +638,12 @@ static int batadv_handle_announce(struct bat_priv *bat_priv,
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);
@ -659,8 +664,8 @@ static int batadv_handle_announce(struct bat_priv *bat_priv,
}
/* check for REQUEST frame, return 1 if handled */
static int batadv_handle_request(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
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)
{
@ -674,7 +679,7 @@ static int batadv_handle_request(struct bat_priv *bat_priv,
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);
@ -683,18 +688,18 @@ static int batadv_handle_request(struct bat_priv *bat_priv,
}
/* check for UNCLAIM frame, return 1 if handled */
static int batadv_handle_unclaim(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
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))
batadv_bla_send_claim(bat_priv, claim_addr, vid,
CLAIM_TYPE_DEL);
BATADV_CLAIM_TYPE_DEL);
backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);
@ -702,7 +707,7 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv,
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);
@ -712,12 +717,12 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv,
}
/* check for CLAIM frame, return 1 if handled */
static int batadv_handle_claim(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
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. */
@ -730,7 +735,7 @@ static int batadv_handle_claim(struct bat_priv *bat_priv,
batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr))
batadv_bla_send_claim(bat_priv, claim_addr, vid,
CLAIM_TYPE_ADD);
BATADV_CLAIM_TYPE_ADD);
/* TODO: we could call something like tt_local_del() here. */
@ -752,16 +757,16 @@ static int batadv_handle_claim(struct bat_priv *bat_priv,
* 1 - if is a claim packet from another group
* 0 - if it is not a claim packet
*/
static int batadv_check_claim_group(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
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 */
@ -773,12 +778,12 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
* 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:
@ -804,7 +809,7 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
/* 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;
@ -824,15 +829,15 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
* 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 batadv_bla_process_claim(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
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;
@ -876,13 +881,13 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
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 = 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);
@ -894,30 +899,30 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
/* check for the different types of claim frames ... */
switch (bla_dst->type) {
case CLAIM_TYPE_ADD:
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:
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:
case BATADV_CLAIM_TYPE_ANNOUNCE:
if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,
vid))
return 1;
break;
case CLAIM_TYPE_REQUEST:
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;
@ -926,12 +931,12 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
/* 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 batadv_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;
@ -952,7 +957,7 @@ static void batadv_bla_purge_backbone_gw(struct bat_priv *bat_priv, int now)
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);
@ -977,13 +982,14 @@ purge_now:
* 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 batadv_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;
@ -1004,7 +1010,7 @@ static void batadv_bla_purge_claims(struct bat_priv *bat_priv,
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);
@ -1023,14 +1029,14 @@ purge_now:
*
* 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 */
@ -1071,7 +1077,7 @@ void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
/* (re)start the timer */
static void batadv_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, batadv_bla_periodic_work);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work,
@ -1086,15 +1092,15 @@ 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;
@ -1140,13 +1146,13 @@ 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);
@ -1181,7 +1187,7 @@ int batadv_bla_init(struct bat_priv *bat_priv)
batadv_hash_set_lock_class(bat_priv->backbone_hash,
&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");
batadv_bla_start_timer(bat_priv);
return 0;
@ -1200,14 +1206,14 @@ int batadv_bla_init(struct bat_priv *bat_priv)
* 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;
@ -1260,12 +1266,12 @@ int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
*
* 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))
@ -1300,11 +1306,11 @@ int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig)
* 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))
@ -1336,9 +1342,9 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb,
}
/* 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);
@ -1369,11 +1375,11 @@ void batadv_bla_free(struct bat_priv *bat_priv)
* 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);
@ -1456,11 +1462,11 @@ out:
* 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);
@ -1533,10 +1539,10 @@ out:
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;
@ -1552,7 +1558,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
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);

48
net/batman-adv/bridge_loop_avoidance.h
View File

@ -21,38 +21,38 @@
#define _NET_BATMAN_ADV_BLA_H_
#ifdef CONFIG_BATMAN_ADV_BLA
int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
int batadv_bla_tx(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);
int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid);
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);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet,
int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct batadv_bcast_packet *bcast_packet,
int hdr_size);
void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
struct hard_iface *oldif);
int batadv_bla_init(struct bat_priv *bat_priv);
void batadv_bla_free(struct bat_priv *bat_priv);
void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
struct batadv_hard_iface *primary_if,
struct batadv_hard_iface *oldif);
int batadv_bla_init(struct batadv_priv *bat_priv);
void batadv_bla_free(struct batadv_priv *bat_priv);
#define BATADV_BLA_CRC_INIT 0
#else /* ifdef CONFIG_BATMAN_ADV_BLA */
static inline int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb,
short vid)
static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
struct sk_buff *skb, short vid)
{
return 0;
}
static inline int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb,
short vid)
static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
struct sk_buff *skb, short vid)
{
return 0;
}
static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct orig_node *orig_node,
struct batadv_orig_node *orig_node,
int hdr_size)
{
return 0;
@ -64,33 +64,33 @@ static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
return 0;
}
static inline int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv,
static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
uint8_t *orig)
{
return 0;
}
static inline int
batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
struct bcast_packet *bcast_packet,
batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct batadv_bcast_packet *bcast_packet,
int hdr_size)
{
return 0;
}
static inline void
batadv_bla_update_orig_address(struct bat_priv *bat_priv,
struct hard_iface *primary_if,
struct hard_iface *oldif)
batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
struct batadv_hard_iface *primary_if,
struct batadv_hard_iface *oldif)
{
}
static inline int batadv_bla_init(struct bat_priv *bat_priv)
static inline int batadv_bla_init(struct batadv_priv *bat_priv)
{
return 1;
}
static inline void batadv_bla_free(struct bat_priv *bat_priv)
static inline void batadv_bla_free(struct batadv_priv *bat_priv)
{
}

76
net/batman-adv/bat_debugfs.c → net/batman-adv/debugfs.c
View File

@ -21,7 +21,7 @@
#include <linux/debugfs.h>
#include "bat_debugfs.h"
#include "debugfs.h"
#include "translation-table.h"
#include "originator.h"
#include "hard-interface.h"
@ -36,13 +36,21 @@ static struct dentry *batadv_debugfs;
#ifdef CONFIG_BATMAN_ADV_DEBUG
#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK])
static int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
static void batadv_emit_log_char(struct debug_log *debug_log, char c)
static char *batadv_log_char_addr(struct batadv_debug_log *debug_log,
size_t idx)
{
BATADV_LOG_BUFF(debug_log->log_end) = c;
return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK];
}
static void batadv_emit_log_char(struct batadv_debug_log *debug_log, char c)
{
char *char_addr;
char_addr = batadv_log_char_addr(debug_log, debug_log->log_end);
*char_addr = c;
debug_log->log_end++;
if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
@ -50,7 +58,8 @@ static void batadv_emit_log_char(struct debug_log *debug_log, char c)
}
__printf(2, 3)
static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
static int batadv_fdebug_log(struct batadv_debug_log *debug_log,
const char *fmt, ...)
{
va_list args;
static char debug_log_buf[256];
@ -74,7 +83,7 @@ static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
return 0;
}
int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...)
int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
{
va_list args;
char tmp_log_buf[256];
@ -102,16 +111,21 @@ static int batadv_log_release(struct inode *inode, struct file *file)
return 0;
}
static int batadv_log_empty(struct batadv_debug_log *debug_log)
{
return !(debug_log->log_start - debug_log->log_end);
}
static ssize_t batadv_log_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct bat_priv *bat_priv = file->private_data;
struct debug_log *debug_log = bat_priv->debug_log;
struct batadv_priv *bat_priv = file->private_data;
struct batadv_debug_log *debug_log = bat_priv->debug_log;
int error, i = 0;
char *char_addr;
char c;
if ((file->f_flags & O_NONBLOCK) &&
!(debug_log->log_end - debug_log->log_start))
if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
return -EAGAIN;
if (!buf)
@ -124,7 +138,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
return -EFAULT;
error = wait_event_interruptible(debug_log->queue_wait,
(debug_log->log_start - debug_log->log_end));
(!batadv_log_empty(debug_log)));
if (error)
return error;
@ -133,7 +147,9 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
while ((!error) && (i < count) &&
(debug_log->log_start != debug_log->log_end)) {
c = BATADV_LOG_BUFF(debug_log->log_start);
char_addr = batadv_log_char_addr(debug_log,
debug_log->log_start);
c = *char_addr;
debug_log->log_start++;
@ -158,12 +174,12 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
{
struct bat_priv *bat_priv = file->private_data;
struct debug_log *debug_log = bat_priv->debug_log;
struct batadv_priv *bat_priv = file->private_data;
struct batadv_debug_log *debug_log = bat_priv->debug_log;
poll_wait(file, &debug_log->queue_wait, wait);
if (debug_log->log_end - debug_log->log_start)
if (!batadv_log_empty(debug_log))
return POLLIN | POLLRDNORM;
return 0;
@ -177,7 +193,7 @@ static const struct file_operations batadv_log_fops = {
.llseek = no_llseek,
};
static int batadv_debug_log_setup(struct bat_priv *bat_priv)
static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
struct dentry *d;
@ -203,19 +219,19 @@ err:
return -ENOMEM;
}
static void batadv_debug_log_cleanup(struct bat_priv *bat_priv)
static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{
kfree(bat_priv->debug_log);
bat_priv->debug_log = NULL;
}
#else /* CONFIG_BATMAN_ADV_DEBUG */
static int batadv_debug_log_setup(struct bat_priv *bat_priv)
static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
bat_priv->debug_log = NULL;
return 0;
}
static void batadv_debug_log_cleanup(struct bat_priv *bat_priv)
static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{
return;
}
@ -265,13 +281,13 @@ static int batadv_vis_data_open(struct inode *inode, struct file *file)
return single_open(file, batadv_vis_seq_print_text, net_dev);
}
struct bat_debuginfo {
struct batadv_debuginfo {
struct attribute attr;
const struct file_operations fops;
};
#define BATADV_DEBUGINFO(_name, _mode, _open) \
struct bat_debuginfo batadv_debuginfo_##_name = { \
struct batadv_debuginfo batadv_debuginfo_##_name = { \
.attr = { .name = __stringify(_name), \
.mode = _mode, }, \
.fops = { .owner = THIS_MODULE, \
@ -294,7 +310,7 @@ static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
batadv_transtable_local_open);
static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open);
static struct bat_debuginfo *batadv_mesh_debuginfos[] = {
static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
&batadv_debuginfo_originators,
&batadv_debuginfo_gateways,
&batadv_debuginfo_transtable_global,
@ -308,7 +324,7 @@ static struct bat_debuginfo *batadv_mesh_debuginfos[] = {
void batadv_debugfs_init(void)
{
struct bat_debuginfo *bat_debug;
struct batadv_debuginfo *bat_debug;
struct dentry *file;
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
@ -339,8 +355,8 @@ void batadv_debugfs_destroy(void)
int batadv_debugfs_add_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct bat_debuginfo **bat_debug;
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_debuginfo **bat_debug;
struct dentry *file;
if (!batadv_debugfs)
@ -358,9 +374,9 @@ int batadv_debugfs_add_meshif(struct net_device *dev)
for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
file = debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode,
bat_priv->debug_dir,
dev, &(*bat_debug)->fops);
S_IFREG | ((*bat_debug)->attr).mode,
bat_priv->debug_dir,
dev, &(*bat_debug)->fops);
if (!file) {
batadv_err(dev, "Can't add debugfs file: %s/%s\n",
dev->name, ((*bat_debug)->attr).name);
@ -382,7 +398,7 @@ out:
void batadv_debugfs_del_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct batadv_priv *bat_priv = netdev_priv(dev);
batadv_debug_log_cleanup(bat_priv);

0
net/batman-adv/bat_debugfs.h → net/batman-adv/debugfs.h
View File

127
net/batman-adv/gateway_client.c
View File

@ -18,7 +18,7 @@
*/
#include "main.h"
#include "bat_sysfs.h"
#include "sysfs.h"
#include "gateway_client.h"
#include "gateway_common.h"
#include "hard-interface.h"
@ -36,15 +36,16 @@
#define BATADV_DHCP_OPTIONS_OFFSET 240
#define BATADV_DHCP_REQUEST 3
static void batadv_gw_node_free_ref(struct gw_node *gw_node)
static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
{
if (atomic_dec_and_test(&gw_node->refcount))
kfree_rcu(gw_node, rcu);
}
static struct gw_node *batadv_gw_get_selected_gw_node(struct bat_priv *bat_priv)
static struct batadv_gw_node *
batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv)
{
struct gw_node *gw_node;
struct batadv_gw_node *gw_node;
rcu_read_lock();
gw_node = rcu_dereference(bat_priv->curr_gw);
@ -59,10 +60,11 @@ out:
return gw_node;
}
struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv)
struct batadv_orig_node *
batadv_gw_get_selected_orig(struct batadv_priv *bat_priv)
{
struct gw_node *gw_node;
struct orig_node *orig_node = NULL;
struct batadv_gw_node *gw_node;
struct batadv_orig_node *orig_node = NULL;
gw_node = batadv_gw_get_selected_gw_node(bat_priv);
if (!gw_node)
@ -84,10 +86,10 @@ out:
return orig_node;
}
static void batadv_gw_select(struct bat_priv *bat_priv,
struct gw_node *new_gw_node)
static void batadv_gw_select(struct batadv_priv *bat_priv,
struct batadv_gw_node *new_gw_node)
{
struct gw_node *curr_gw_node;
struct batadv_gw_node *curr_gw_node;
spin_lock_bh(&bat_priv->gw_list_lock);
@ -103,20 +105,21 @@ static void batadv_gw_select(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->gw_list_lock);
}
void batadv_gw_deselect(struct bat_priv *bat_priv)
void batadv_gw_deselect(struct batadv_priv *bat_priv)
{
atomic_set(&bat_priv->gw_reselect, 1);
}
static struct gw_node *batadv_gw_get_best_gw_node(struct bat_priv *bat_priv)
static struct batadv_gw_node *
batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
{
struct neigh_node *router;
struct batadv_neigh_node *router;
struct hlist_node *node;
struct gw_node *gw_node, *curr_gw = NULL;
struct batadv_gw_node *gw_node, *curr_gw = NULL;
uint32_t max_gw_factor = 0, tmp_gw_factor = 0;
uint8_t max_tq = 0;
int down, up;
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
@ -183,10 +186,10 @@ next:
return curr_gw;
}
void batadv_gw_election(struct bat_priv *bat_priv)
void batadv_gw_election(struct batadv_priv *bat_priv)
{
struct gw_node *curr_gw = NULL, *next_gw = NULL;
struct neigh_node *router = NULL;
struct batadv_gw_node *curr_gw = NULL, *next_gw = NULL;
struct batadv_neigh_node *router = NULL;
char gw_addr[18] = { '\0' };
/* The batman daemon checks here if we already passed a full originator
@ -194,7 +197,7 @@ void batadv_gw_election(struct bat_priv *bat_priv)
* hear about. This check is based on the daemon's uptime which we
* don't have.
*/
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)
goto out;
if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect))
@ -218,21 +221,24 @@ void batadv_gw_election(struct bat_priv *bat_priv)
}
if ((curr_gw) && (!next_gw)) {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Removing selected gateway - no gateway in range\n");
batadv_throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL,
NULL);
} else if ((!curr_gw) && (next_gw)) {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig,
next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_ADD,
gw_addr);
} else {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Changing route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig,
next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_CHANGE,
gw_addr);
}
batadv_gw_select(bat_priv, next_gw);
@ -246,11 +252,11 @@ out:
batadv_neigh_node_free_ref(router);
}
void batadv_gw_check_election(struct bat_priv *bat_priv,
struct orig_node *orig_node)
void batadv_gw_check_election(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node)
{
struct orig_node *curr_gw_orig;
struct neigh_node *router_gw = NULL, *router_orig = NULL;
struct batadv_orig_node *curr_gw_orig;
struct batadv_neigh_node *router_gw = NULL, *router_orig = NULL;
uint8_t gw_tq_avg, orig_tq_avg;
curr_gw_orig = batadv_gw_get_selected_orig(bat_priv);
@ -283,7 +289,7 @@ void batadv_gw_check_election(struct bat_priv *bat_priv,
(orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class)))
goto out;
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n",
gw_tq_avg, orig_tq_avg);
@ -300,11 +306,11 @@ out:
return;
}
static void batadv_gw_node_add(struct bat_priv *bat_priv,
struct orig_node *orig_node,
static void batadv_gw_node_add(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
uint8_t new_gwflags)
{
struct gw_node *gw_node;
struct batadv_gw_node *gw_node;
int down, up;
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
@ -320,7 +326,7 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->gw_list_lock);
batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up);
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n",
orig_node->orig, new_gwflags,
(down > 2048 ? down / 1024 : down),
@ -329,11 +335,12 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv,
(up > 2048 ? "MBit" : "KBit"));
}
void batadv_gw_node_update(struct bat_priv *bat_priv,
struct orig_node *orig_node, uint8_t new_gwflags)
void batadv_gw_node_update(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
uint8_t new_gwflags)
{
struct hlist_node *node;
struct gw_node *gw_node, *curr_gw;
struct batadv_gw_node *gw_node, *curr_gw;
/* Note: We don't need a NULL check here, since curr_gw never gets
* dereferenced. If curr_gw is NULL we also should not exit as we may
@ -347,7 +354,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
if (gw_node->orig_node != orig_node)
continue;
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Gateway class of originator %pM changed from %i to %i\n",
orig_node->orig, gw_node->orig_node->gw_flags,
new_gwflags);
@ -356,7 +363,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
if (new_gwflags == BATADV_NO_FLAGS) {
gw_node->deleted = jiffies;
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Gateway %pM removed from gateway list\n",
orig_node->orig);
@ -382,15 +389,15 @@ unlock:
batadv_gw_node_free_ref(curr_gw);
}
void batadv_gw_node_delete(struct bat_priv *bat_priv,
struct orig_node *orig_node)
void batadv_gw_node_delete(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node)
{
batadv_gw_node_update(bat_priv, orig_node, 0);
}
void batadv_gw_node_purge(struct bat_priv *bat_priv)
void batadv_gw_node_purge(struct batadv_priv *bat_priv)
{
struct gw_node *gw_node, *curr_gw;
struct batadv_gw_node *gw_node, *curr_gw;
struct hlist_node *node, *node_tmp;
unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT);
int do_deselect = 0;
@ -403,7 +410,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
&bat_priv->gw_list, list) {
if (((!gw_node->deleted) ||
(time_before(jiffies, gw_node->deleted + timeout))) &&
atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE)
atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE)
continue;
if (curr_gw == gw_node)
@ -424,12 +431,12 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
}
/* fails if orig_node has no router */
static int batadv_write_buffer_text(struct bat_priv *bat_priv,
struct seq_file *seq,
const struct gw_node *gw_node)
static int batadv_write_buffer_text(struct batadv_priv *bat_priv,
struct seq_file *seq,
const struct batadv_gw_node *gw_node)
{
struct gw_node *curr_gw;
struct neigh_node *router;
struct batadv_gw_node *curr_gw;
struct batadv_neigh_node *router;
int down, up, ret = -1;
batadv_gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags, &down, &up);
@ -461,9 +468,9 @@ out:
int batadv_gw_client_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 hard_iface *primary_if;
struct gw_node *gw_node;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hard_iface *primary_if;
struct batadv_gw_node *gw_node;
struct hlist_node *node;
int gw_count = 0, ret = 0;
@ -475,7 +482,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
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);
@ -636,12 +643,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len)
return true;
}
bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
struct sk_buff *skb, struct ethhdr *ethhdr)
{
struct neigh_node *neigh_curr = NULL, *neigh_old = NULL;
struct orig_node *orig_dst_node = NULL;
struct gw_node *curr_gw = NULL;
struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL;
struct batadv_orig_node *orig_dst_node = NULL;
struct batadv_gw_node *curr_gw = NULL;
bool ret, out_of_range = false;
unsigned int header_len = 0;
uint8_t curr_tq_avg;
@ -663,13 +670,13 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
goto out;
switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_SERVER:
case BATADV_GW_MODE_SERVER:
/* If we are a GW then we are our best GW. We can artificially
* set the tq towards ourself as the maximum value
*/
curr_tq_avg = BATADV_TQ_MAX_VALUE;
break;
case GW_MODE_CLIENT:
case BATADV_GW_MODE_CLIENT:
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
if (!curr_gw)
goto out;
@ -689,7 +696,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
curr_tq_avg = neigh_curr->tq_avg;
break;
case GW_MODE_OFF:
case BATADV_GW_MODE_OFF:
default:
goto out;
}

24
net/batman-adv/gateway_client.h
View File

@ -20,19 +20,21 @@
#ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
#define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
void batadv_gw_deselect(struct bat_priv *bat_priv);
void batadv_gw_election(struct bat_priv *bat_priv);
struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv);
void batadv_gw_check_election(struct bat_priv *bat_priv,
struct orig_node *orig_node);
void batadv_gw_node_update(struct bat_priv *bat_priv,
struct orig_node *orig_node, uint8_t new_gwflags);
void batadv_gw_node_delete(struct bat_priv *bat_priv,
struct orig_node *orig_node);
void batadv_gw_node_purge(struct bat_priv *bat_priv);
void batadv_gw_deselect(struct batadv_priv *bat_priv);
void batadv_gw_election(struct batadv_priv *bat_priv);
struct batadv_orig_node *
batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
void batadv_gw_check_election(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node);
void batadv_gw_node_update(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
uint8_t new_gwflags);
void batadv_gw_node_delete(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node);
void batadv_gw_node_purge(struct batadv_priv *bat_priv);
int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len);
bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
struct sk_buff *skb, struct ethhdr *ethhdr);
#endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */

2
net/batman-adv/gateway_common.c
View File

@ -137,7 +137,7 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff,
ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
size_t count)
{
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct batadv_priv *bat_priv = netdev_priv(net_dev);
long gw_bandwidth_tmp = 0;
int up = 0, down = 0;
bool ret;

8
net/batman-adv/gateway_common.h
View File

@ -20,10 +20,10 @@
#ifndef _NET_BATMAN_ADV_GATEWAY_COMMON_H_
#define _NET_BATMAN_ADV_GATEWAY_COMMON_H_
enum gw_modes {
GW_MODE_OFF,
GW_MODE_CLIENT,
GW_MODE_SERVER,
enum batadv_gw_modes {
BATADV_GW_MODE_OFF,
BATADV_GW_MODE_CLIENT,
BATADV_GW_MODE_SERVER,
};
#define BATADV_GW_MODE_OFF_NAME "off"

125
net/batman-adv/hard-interface.c
View File

@ -23,7 +23,7 @@
#include "send.h"
#include "translation-table.h"
#include "routing.h"
#include "bat_sysfs.h"
#include "sysfs.h"
#include "originator.h"
#include "hash.h"
#include "bridge_loop_avoidance.h"
@ -32,16 +32,17 @@
void batadv_hardif_free_rcu(struct rcu_head *rcu)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
hard_iface = container_of(rcu, struct hard_iface, rcu);
hard_iface = container_of(rcu, struct batadv_hard_iface, rcu);
dev_put(hard_iface->net_dev);
kfree(hard_iface);
}
struct hard_iface *batadv_hardif_get_by_netdev(const struct net_device *net_dev)
struct batadv_hard_iface *
batadv_hardif_get_by_netdev(const struct net_device *net_dev)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
@ -75,17 +76,17 @@ static int batadv_is_valid_iface(const struct net_device *net_dev)
return 1;
}
static struct hard_iface *
static struct batadv_hard_iface *
batadv_hardif_get_active(const struct net_device *soft_iface)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
if (hard_iface->if_status == IF_ACTIVE &&
if (hard_iface->if_status == BATADV_IF_ACTIVE &&
atomic_inc_not_zero(&hard_iface->refcount))
goto out;
}
@ -97,17 +98,17 @@ out:
return hard_iface;
}
static void batadv_primary_if_update_addr(struct bat_priv *bat_priv,
struct hard_iface *oldif)
static void batadv_primary_if_update_addr(struct batadv_priv *bat_priv,
struct batadv_hard_iface *oldif)
{
struct vis_packet *vis_packet;
struct hard_iface *primary_if;
struct batadv_vis_packet *vis_packet;
struct batadv_hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
vis_packet = (struct vis_packet *)
vis_packet = (struct batadv_vis_packet *)
bat_priv->my_vis_info->skb_packet->data;
memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(vis_packet->sender_orig,
@ -119,10 +120,10 @@ out:
batadv_hardif_free_ref(primary_if);
}
static void batadv_primary_if_select(struct bat_priv *bat_priv,
struct hard_iface *new_hard_iface)
static void batadv_primary_if_select(struct batadv_priv *bat_priv,
struct batadv_hard_iface *new_hard_iface)
{
struct hard_iface *curr_hard_iface;
struct batadv_hard_iface *curr_hard_iface;
ASSERT_RTNL();
@ -143,7 +144,8 @@ out:
batadv_hardif_free_ref(curr_hard_iface);
}
static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface)
static bool
batadv_hardif_is_iface_up(const struct batadv_hard_iface *hard_iface)
{
if (hard_iface->net_dev->flags & IFF_UP)
return true;
@ -153,12 +155,12 @@ static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface)
static void batadv_check_known_mac_addr(const struct net_device *net_dev)
{
const struct hard_iface *hard_iface;
const struct batadv_hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
continue;
if (hard_iface->net_dev == net_dev)
@ -177,8 +179,8 @@ static void batadv_check_known_mac_addr(const struct net_device *net_dev)
int batadv_hardif_min_mtu(struct net_device *soft_iface)
{
const struct bat_priv *bat_priv = netdev_priv(soft_iface);
const struct hard_iface *hard_iface;
const struct batadv_priv *bat_priv = netdev_priv(soft_iface);
const struct batadv_hard_iface *hard_iface;
/* allow big frames if all devices are capable to do so
* (have MTU > 1500 + BAT_HEADER_LEN)
*/
@ -189,8 +191,8 @@ int batadv_hardif_min_mtu(struct net_device *soft_iface)
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
continue;
if (hard_iface->soft_iface != soft_iface)
@ -215,18 +217,19 @@ void batadv_update_min_mtu(struct net_device *soft_iface)
soft_iface->mtu = min_mtu;
}
static void batadv_hardif_activate_interface(struct hard_iface *hard_iface)
static void
batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)
{
struct bat_priv *bat_priv;
struct hard_iface *primary_if = NULL;
struct batadv_priv *bat_priv;
struct batadv_hard_iface *primary_if = NULL;
if (hard_iface->if_status != IF_INACTIVE)
if (hard_iface->if_status != BATADV_IF_INACTIVE)
goto out;
bat_priv = netdev_priv(hard_iface->soft_iface);
bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
hard_iface->if_status = BATADV_IF_TO_BE_ACTIVATED;
/* the first active interface becomes our primary interface or
* the next active interface after the old primary interface was removed
@ -245,13 +248,14 @@ out:
batadv_hardif_free_ref(primary_if);
}
static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface)
static void
batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface)
{
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
return;
hard_iface->if_status = IF_INACTIVE;
hard_iface->if_status = BATADV_IF_INACTIVE;
batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
hard_iface->net_dev->name);
@ -259,15 +263,15 @@ static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface)
batadv_update_min_mtu(hard_iface->soft_iface);
}
int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name)
{
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
struct net_device *soft_iface;
__be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
int ret;
if (hard_iface->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
goto out;
if (!atomic_inc_not_zero(&hard_iface->refcount))
@ -308,7 +312,7 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
hard_iface->if_status = IF_INACTIVE;
hard_iface->if_status = BATADV_IF_INACTIVE;
batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
hard_iface->batman_adv_ptype.type = ethertype;
@ -320,15 +324,15 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",
hard_iface->net_dev->name);
if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BATADV_HEADER_LEN)
if (atomic_read(&bat_priv->fragmentation) &&
hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
ETH_DATA_LEN + BATADV_HEADER_LEN);
if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BATADV_HEADER_LEN)
if (!atomic_read(&bat_priv->fragmentation) &&
hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
@ -354,15 +358,15 @@ err:
return ret;
}
void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hard_iface *primary_if = NULL;
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hard_iface *primary_if = NULL;
if (hard_iface->if_status == IF_ACTIVE)
if (hard_iface->if_status == BATADV_IF_ACTIVE)
batadv_hardif_deactivate_interface(hard_iface);
if (hard_iface->if_status != IF_INACTIVE)
if (hard_iface->if_status != BATADV_IF_INACTIVE)
goto out;
batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",
@ -374,7 +378,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
primary_if = batadv_primary_if_get_selected(bat_priv);
if (hard_iface == primary_if) {
struct hard_iface *new_if;
struct batadv_hard_iface *new_if;
new_if = batadv_hardif_get_active(hard_iface->soft_iface);
batadv_primary_if_select(bat_priv, new_if);
@ -384,7 +388,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
}
bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);
hard_iface->if_status = IF_NOT_IN_USE;
hard_iface->if_status = BATADV_IF_NOT_IN_USE;
/* delete all references to this hard_iface */
batadv_purge_orig_ref(bat_priv);
@ -403,10 +407,10 @@ out:
batadv_hardif_free_ref(primary_if);
}
static struct hard_iface *
static struct batadv_hard_iface *
batadv_hardif_add_interface(struct net_device *net_dev)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
int ret;
ASSERT_RTNL();
@ -428,7 +432,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
hard_iface->if_num = -1;
hard_iface->net_dev = net_dev;
hard_iface->soft_iface = NULL;
hard_iface->if_status = IF_NOT_IN_USE;
hard_iface->if_status = BATADV_IF_NOT_IN_USE;
INIT_LIST_HEAD(&hard_iface->list);
/* extra reference for return */
atomic_set(&hard_iface->refcount, 2);
@ -452,25 +456,25 @@ out:
return NULL;
}
static void batadv_hardif_remove_interface(struct hard_iface *hard_iface)
static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface)
{
ASSERT_RTNL();
/* first deactivate interface */
if (hard_iface->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
batadv_hardif_disable_interface(hard_iface);
if (hard_iface->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
return;
hard_iface->if_status = IF_TO_BE_REMOVED;
hard_iface->if_status = BATADV_IF_TO_BE_REMOVED;
batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
batadv_hardif_free_ref(hard_iface);
}
void batadv_hardif_remove_interfaces(void)
{
struct hard_iface *hard_iface, *hard_iface_tmp;
struct batadv_hard_iface *hard_iface, *hard_iface_tmp;
rtnl_lock();
list_for_each_entry_safe(hard_iface, hard_iface_tmp,
@ -485,10 +489,11 @@ static int batadv_hard_if_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *net_dev = ptr;
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev);
struct hard_iface *primary_if = NULL;
struct bat_priv *bat_priv;
struct batadv_hard_iface *hard_iface;
struct batadv_hard_iface *primary_if = NULL;
struct batadv_priv *bat_priv;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface && event == NETDEV_REGISTER)
hard_iface = batadv_hardif_add_interface(net_dev);
@ -513,7 +518,7 @@ static int batadv_hard_if_event(struct notifier_block *this,
batadv_update_min_mtu(hard_iface->soft_iface);
break;
case NETDEV_CHANGEADDR:
if (hard_iface->if_status == IF_NOT_IN_USE)
if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
goto hardif_put;
batadv_check_known_mac_addr(hard_iface->net_dev);

28
net/batman-adv/hard-interface.h
View File

@ -20,22 +20,22 @@
#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
enum hard_if_state {
IF_NOT_IN_USE,
IF_TO_BE_REMOVED,
IF_INACTIVE,
IF_ACTIVE,
IF_TO_BE_ACTIVATED,
IF_I_WANT_YOU
enum batadv_hard_if_state {
BATADV_IF_NOT_IN_USE,
BATADV_IF_TO_BE_REMOVED,
BATADV_IF_INACTIVE,
BATADV_IF_ACTIVE,
BATADV_IF_TO_BE_ACTIVATED,
BATADV_IF_I_WANT_YOU,
};
extern struct notifier_block batadv_hard_if_notifier;
struct hard_iface*
struct batadv_hard_iface*
batadv_hardif_get_by_netdev(const struct net_device *net_dev);
int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name);
void batadv_hardif_disable_interface(struct hard_iface *hard_iface);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
void batadv_hardif_remove_interfaces(void);
int batadv_hardif_min_mtu(struct net_device *soft_iface);
void batadv_update_min_mtu(struct net_device *soft_iface);
@ -43,16 +43,16 @@ void batadv_hardif_free_rcu(struct rcu_head *rcu);
bool batadv_is_wifi_iface(int ifindex);
static inline void
batadv_hardif_free_ref(struct hard_iface *hard_iface)
batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface)
{
if (atomic_dec_and_test(&hard_iface->refcount))
call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu);
}
static inline struct hard_iface *
batadv_primary_if_get_selected(struct bat_priv *bat_priv)
static inline struct batadv_hard_iface *
batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
rcu_read_lock();
hard_iface = rcu_dereference(bat_priv->primary_if);

12
net/batman-adv/hash.c
View File

@ -21,18 +21,18 @@
#include "hash.h"
/* clears the hash */
static void batadv_hash_init(struct hashtable_t *hash)
static void batadv_hash_init(struct batadv_hashtable *hash)
{
uint32_t i;
for (i = 0 ; i < hash->size; i++) {
for (i = 0; i < hash->size; i++) {
INIT_HLIST_HEAD(&hash->table[i]);
spin_lock_init(&hash->list_locks[i]);
}
}
/* free only the hashtable and the hash itself. */
void batadv_hash_destroy(struct hashtable_t *hash)
void batadv_hash_destroy(struct batadv_hashtable *hash)
{
kfree(hash->list_locks);
kfree(hash->table);
@ -40,9 +40,9 @@ void batadv_hash_destroy(struct hashtable_t *hash)
}
/* allocates and clears the hash */
struct hashtable_t *batadv_hash_new(uint32_t size)
struct batadv_hashtable *batadv_hash_new(uint32_t size)
{
struct hashtable_t *hash;
struct batadv_hashtable *hash;
hash = kmalloc(sizeof(*hash), GFP_ATOMIC);
if (!hash)
@ -68,7 +68,7 @@ free_hash:
return NULL;
}
void batadv_hash_set_lock_class(struct hashtable_t *hash,
void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
struct lock_class_key *key)
{
uint32_t i;

33
net/batman-adv/hash.h
View File

@ -25,37 +25,39 @@
/* callback to a compare function. should compare 2 element datas for their
* keys, return 0 if same and not 0 if not same
*/
typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *);
typedef int (*batadv_hashdata_compare_cb)(const struct hlist_node *,
const void *);
/* the hashfunction, should return an index
* based on the key in the data of the first
* argument and the size the second
*/
typedef uint32_t (*hashdata_choose_cb)(const void *, uint32_t);
typedef void (*hashdata_free_cb)(struct hlist_node *, void *);
typedef uint32_t (*batadv_hashdata_choose_cb)(const void *, uint32_t);
typedef void (*batadv_hashdata_free_cb)(struct hlist_node *, void *);
struct hashtable_t {
struct batadv_hashtable {
struct hlist_head *table; /* the hashtable itself with the buckets */
spinlock_t *list_locks; /* spinlock for each hash list entry */
uint32_t size; /* size of hashtable */
};
/* allocates and clears the hash */
struct hashtable_t *batadv_hash_new(uint32_t size);
struct batadv_hashtable *batadv_hash_new(uint32_t size);
/* set class key for all locks */
void batadv_hash_set_lock_class(struct hashtable_t *hash,
void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
struct lock_class_key *key);
/* free only the hashtable and the hash itself. */
void batadv_hash_destroy(struct hashtable_t *hash);
void batadv_hash_destroy(struct batadv_hashtable *hash);
/* remove the hash structure. if hashdata_free_cb != NULL, this function will be
* called to remove the elements inside of the hash. if you don't remove the
* elements, memory might be leaked.
*/
static inline void batadv_hash_delete(struct hashtable_t *hash,
hashdata_free_cb free_cb, void *arg)
static inline void batadv_hash_delete(struct batadv_hashtable *hash,
batadv_hashdata_free_cb free_cb,
void *arg)
{
struct hlist_head *head;
struct hlist_node *node, *node_tmp;
@ -89,9 +91,9 @@ static inline void batadv_hash_delete(struct hashtable_t *hash,
* Returns 0 on success, 1 if the element already is in the hash
* and -1 on error.
*/
static inline int batadv_hash_add(struct hashtable_t *hash,
hashdata_compare_cb compare,
hashdata_choose_cb choose,
static inline int batadv_hash_add(struct batadv_hashtable *hash,
batadv_hashdata_compare_cb compare,
batadv_hashdata_choose_cb choose,
const void *data,
struct hlist_node *data_node)
{
@ -134,9 +136,10 @@ out:
* structure you use with just the key filled, we just need the key for
* comparing.
*/
static inline void *batadv_hash_remove(struct hashtable_t *hash,
hashdata_compare_cb compare,
hashdata_choose_cb choose, void *data)
static inline void *batadv_hash_remove(struct batadv_hashtable *hash,
batadv_hashdata_compare_cb compare,
batadv_hashdata_choose_cb choose,
void *data)
{
uint32_t index;
struct hlist_node *node;

81
net/batman-adv/icmp_socket.c
View File

@ -26,10 +26,10 @@
#include "originator.h"
#include "hard-interface.h"
static struct socket_client *batadv_socket_client_hash[256];
static struct batadv_socket_client *batadv_socket_client_hash[256];
static void batadv_socket_add_packet(struct socket_client *socket_client,
struct icmp_packet_rr *icmp_packet,
static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len);
void batadv_socket_init(void)
@ -40,7 +40,7 @@ void batadv_socket_init(void)
static int batadv_socket_open(struct inode *inode, struct file *file)
{
unsigned int i;
struct socket_client *socket_client;
struct batadv_socket_client *socket_client;
nonseekable_open(inode, file);
@ -77,8 +77,8 @@ static int batadv_socket_open(struct inode *inode, struct file *file)
static int batadv_socket_release(struct inode *inode, struct file *file)
{
struct socket_client *socket_client = file->private_data;
struct socket_packet *socket_packet;
struct batadv_socket_client *socket_client = file->private_data;
struct batadv_socket_packet *socket_packet;
struct list_head *list_pos, *list_pos_tmp;
spin_lock_bh(&socket_client->lock);
@ -86,7 +86,7 @@ static int batadv_socket_release(struct inode *inode, struct file *file)
/* for all packets in the queue ... */
list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) {
socket_packet = list_entry(list_pos,
struct socket_packet, list);
struct batadv_socket_packet, list);
list_del(list_pos);
kfree(socket_packet);
@ -104,15 +104,15 @@ static int batadv_socket_release(struct inode *inode, struct file *file)
static ssize_t batadv_socket_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct socket_client *socket_client = file->private_data;
struct socket_packet *socket_packet;
struct batadv_socket_client *socket_client = file->private_data;
struct batadv_socket_packet *socket_packet;
size_t packet_len;
int error;
if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0))
return -EAGAIN;
if ((!buf) || (count < sizeof(struct icmp_packet)))
if ((!buf) || (count < sizeof(struct batadv_icmp_packet)))
return -EINVAL;
if (!access_ok(VERIFY_WRITE, buf, count))
@ -127,7 +127,7 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
spin_lock_bh(&socket_client->lock);
socket_packet = list_first_entry(&socket_client->queue_list,
struct socket_packet, list);
struct batadv_socket_packet, list);
list_del(&socket_packet->list);
socket_client->queue_len--;
@ -147,18 +147,18 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
size_t len, loff_t *off)
{
struct socket_client *socket_client = file->private_data;
struct bat_priv *bat_priv = socket_client->bat_priv;
struct hard_iface *primary_if = NULL;
struct batadv_socket_client *socket_client = file->private_data;
struct batadv_priv *bat_priv = socket_client->bat_priv;
struct batadv_hard_iface *primary_if = NULL;
struct sk_buff *skb;
struct icmp_packet_rr *icmp_packet;
struct batadv_icmp_packet_rr *icmp_packet;
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct icmp_packet);
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct batadv_icmp_packet);
if (len < sizeof(struct icmp_packet)) {
batadv_dbg(DBG_BATMAN, bat_priv,
if (len < sizeof(struct batadv_icmp_packet)) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: invalid packet size\n");
return -EINVAL;
}
@ -170,8 +170,8 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out;
}
if (len >= sizeof(struct icmp_packet_rr))
packet_len = sizeof(struct icmp_packet_rr);
if (len >= sizeof(struct batadv_icmp_packet_rr))
packet_len = sizeof(struct batadv_icmp_packet_rr);
skb = dev_alloc_skb(packet_len + ETH_HLEN);
if (!skb) {
@ -180,22 +180,22 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
}
skb_reserve(skb, ETH_HLEN);
icmp_packet = (struct icmp_packet_rr *)skb_put(skb, packet_len);
icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);
if (copy_from_user(icmp_packet, buff, packet_len)) {
len = -EFAULT;
goto free_skb;
}
if (icmp_packet->header.packet_type != BAT_ICMP) {
batadv_dbg(DBG_BATMAN, bat_priv,
if (icmp_packet->header.packet_type != BATADV_ICMP) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
len = -EINVAL;
goto free_skb;
}
if (icmp_packet->msg_type != ECHO_REQUEST) {
batadv_dbg(DBG_BATMAN, bat_priv,
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
len = -EINVAL;
goto free_skb;
@ -204,14 +204,14 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
icmp_packet->uid = socket_client->index;
if (icmp_packet->header.version != BATADV_COMPAT_VERSION) {
icmp_packet->msg_type = PARAMETER_PROBLEM;
icmp_packet->msg_type = BATADV_PARAMETER_PROBLEM;
icmp_packet->header.version = BATADV_COMPAT_VERSION;
batadv_socket_add_packet(socket_client, icmp_packet,
packet_len);
goto free_skb;
}
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dst_unreach;
orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->dst);
@ -225,13 +225,13 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
if (!neigh_node->if_incoming)
goto dst_unreach;
if (neigh_node->if_incoming->if_status != IF_ACTIVE)
if (neigh_node->if_incoming->if_status != BATADV_IF_ACTIVE)
goto dst_unreach;
memcpy(icmp_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
if (packet_len == sizeof(struct icmp_packet_rr))
if (packet_len == sizeof(struct batadv_icmp_packet_rr))
memcpy(icmp_packet->rr,
neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN);
@ -239,7 +239,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out;
dst_unreach:
icmp_packet->msg_type = DESTINATION_UNREACHABLE;
icmp_packet->msg_type = BATADV_DESTINATION_UNREACHABLE;
batadv_socket_add_packet(socket_client, icmp_packet, packet_len);
free_skb:
kfree_skb(skb);
@ -255,7 +255,7 @@ out:
static unsigned int batadv_socket_poll(struct file *file, poll_table *wait)
{
struct socket_client *socket_client = file->private_data;
struct batadv_socket_client *socket_client = file->private_data;
poll_wait(file, &socket_client->queue_wait, wait);
@ -275,7 +275,7 @@ static const struct file_operations batadv_fops = {
.llseek = no_llseek,
};
int batadv_socket_setup(struct bat_priv *bat_priv)
int batadv_socket_setup(struct batadv_priv *bat_priv)
{
struct dentry *d;
@ -293,11 +293,11 @@ err:
return -ENOMEM;
}
static void batadv_socket_add_packet(struct socket_client *socket_client,
struct icmp_packet_rr *icmp_packet,
static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len)
{
struct socket_packet *socket_packet;
struct batadv_socket_packet *socket_packet;
socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
@ -324,7 +324,8 @@ static void batadv_socket_add_packet(struct socket_client *socket_client,
if (socket_client->queue_len > 100) {
socket_packet = list_first_entry(&socket_client->queue_list,
struct socket_packet, list);
struct batadv_socket_packet,
list);
list_del(&socket_packet->list);
kfree(socket_packet);
@ -336,10 +337,10 @@ static void batadv_socket_add_packet(struct socket_client *socket_client,
wake_up(&socket_client->queue_wait);
}
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet,
void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len)
{
struct socket_client *hash;
struct batadv_socket_client *hash;
hash = batadv_socket_client_hash[icmp_packet->uid];
if (hash)

4
net/batman-adv/icmp_socket.h
View File

@ -23,8 +23,8 @@
#define BATADV_ICMP_SOCKET "socket"
void batadv_socket_init(void);
int batadv_socket_setup(struct bat_priv *bat_priv);
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet,
int batadv_socket_setup(struct batadv_priv *bat_priv);
void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len);
#endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */

82
net/batman-adv/main.c
View File

@ -18,8 +18,8 @@
*/
#include "main.h"
#include "bat_sysfs.h"
#include "bat_debugfs.h"
#include "sysfs.h"
#include "debugfs.h"
#include "routing.h"
#include "send.h"
#include "originator.h"
@ -39,7 +39,7 @@
*/
struct list_head batadv_hardif_list;
static int (*batadv_rx_handler[256])(struct sk_buff *,
struct hard_iface *);
struct batadv_hard_iface *);
char batadv_routing_algo[20] = "BATMAN_IV";
static struct hlist_head batadv_algo_list;
@ -92,7 +92,7 @@ static void __exit batadv_exit(void)
int batadv_mesh_init(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
int ret;
spin_lock_init(&bat_priv->forw_bat_list_lock);
@ -132,7 +132,7 @@ int batadv_mesh_init(struct net_device *soft_iface)
goto err;
atomic_set(&bat_priv->gw_reselect, 0);
atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE);
return 0;
@ -143,9 +143,9 @@ err:
void batadv_mesh_free(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING);
batadv_purge_outstanding_packets(bat_priv, NULL);
@ -160,7 +160,7 @@ void batadv_mesh_free(struct net_device *soft_iface)
free_percpu(bat_priv->bat_counters);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
}
void batadv_inc_module_count(void)
@ -175,11 +175,11 @@ void batadv_dec_module_count(void)
int batadv_is_my_mac(const uint8_t *addr)
{
const struct hard_iface *hard_iface;
const struct batadv_hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->if_status != IF_ACTIVE)
if (hard_iface->if_status != BATADV_IF_ACTIVE)
continue;
if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
@ -192,7 +192,7 @@ int batadv_is_my_mac(const uint8_t *addr)
}
static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct hard_iface *recv_if)
struct batadv_hard_iface *recv_if)
{
return NET_RX_DROP;
}
@ -204,13 +204,14 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev)
{
struct bat_priv *bat_priv;
struct batman_ogm_packet *batman_ogm_packet;
struct hard_iface *hard_iface;
struct batadv_priv *bat_priv;
struct batadv_ogm_packet *batadv_ogm_packet;
struct batadv_hard_iface *hard_iface;
uint8_t idx;
int ret;
hard_iface = container_of(ptype, struct hard_iface, batman_adv_ptype);
hard_iface = container_of(ptype, struct batadv_hard_iface,
batman_adv_ptype);
skb = skb_share_check(skb, GFP_ATOMIC);
/* skb was released by skb_share_check() */
@ -230,26 +231,26 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
bat_priv = netdev_priv(hard_iface->soft_iface);
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto err_free;
/* discard frames on not active interfaces */
if (hard_iface->if_status != IF_ACTIVE)
if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto err_free;
batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data;
if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
batadv_dbg(DBG_BATMAN, bat_priv,
if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n",
batman_ogm_packet->header.version);
batadv_ogm_packet->header.version);
goto err_free;
}
/* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb.
*/
idx = batman_ogm_packet->header.packet_type;
idx = batadv_ogm_packet->header.packet_type;
ret = (*batadv_rx_handler[idx])(skb, hard_iface);
if (ret == NET_RX_DROP)
@ -275,24 +276,25 @@ static void batadv_recv_handler_init(void)
batadv_rx_handler[i] = batadv_recv_unhandled_packet;
/* batman icmp packet */
batadv_rx_handler[BAT_ICMP] = batadv_recv_icmp_packet;
batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet;
/* unicast packet */
batadv_rx_handler[BAT_UNICAST] = batadv_recv_unicast_packet;
batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet;
/* fragmented unicast packet */
batadv_rx_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet;
batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_ucast_frag_packet;
/* broadcast packet */
batadv_rx_handler[BAT_BCAST] = batadv_recv_bcast_packet;
batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet;
/* vis packet */
batadv_rx_handler[BAT_VIS] = batadv_recv_vis_packet;
batadv_rx_handler[BATADV_VIS] = batadv_recv_vis_packet;
/* Translation table query (request or response) */
batadv_rx_handler[BAT_TT_QUERY] = batadv_recv_tt_query;
batadv_rx_handler[BATADV_TT_QUERY] = batadv_recv_tt_query;
/* Roaming advertisement */
batadv_rx_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv;
batadv_rx_handler[BATADV_ROAM_ADV] = batadv_recv_roam_adv;
}
int batadv_recv_handler_register(uint8_t packet_type,
int (*recv_handler)(struct sk_buff *,
struct hard_iface *))
int
batadv_recv_handler_register(uint8_t packet_type,
int (*recv_handler)(struct sk_buff *,
struct batadv_hard_iface *))
{
if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet)
return -EBUSY;
@ -306,9 +308,9 @@ void batadv_recv_handler_unregister(uint8_t packet_type)
batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet;
}
static struct bat_algo_ops *batadv_algo_get(char *name)
static struct batadv_algo_ops *batadv_algo_get(char *name)
{
struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
struct hlist_node *node;
hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) {
@ -322,9 +324,9 @@ static struct bat_algo_ops *batadv_algo_get(char *name)
return bat_algo_ops;
}
int batadv_algo_register(struct bat_algo_ops *bat_algo_ops)
int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
{
struct bat_algo_ops *bat_algo_ops_tmp;
struct batadv_algo_ops *bat_algo_ops_tmp;
int ret;
bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name);
@ -356,9 +358,9 @@ out:
return ret;
}
int batadv_algo_select(struct bat_priv *bat_priv, char *name)
int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
{
struct bat_algo_ops *bat_algo_ops;
struct batadv_algo_ops *bat_algo_ops;
int ret = -EINVAL;
bat_algo_ops = batadv_algo_get(name);
@ -374,7 +376,7 @@ out:
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
{
struct bat_algo_ops *bat_algo_ops;
struct batadv_algo_ops *bat_algo_ops;
struct hlist_node *node;
seq_printf(seq, "Available routing algorithms:\n");
@ -388,7 +390,7 @@ int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
struct bat_algo_ops *bat_algo_ops;
struct batadv_algo_ops *bat_algo_ops;
char *algo_name = (char *)val;
size_t name_len = strlen(algo_name);

63
net/batman-adv/main.h
View File

@ -95,23 +95,23 @@
#define BATADV_RESET_PROTECTION_MS 30000
#define BATADV_EXPECTED_SEQNO_RANGE 65536
enum mesh_state {
MESH_INACTIVE,
MESH_ACTIVE,
MESH_DEACTIVATING
enum batadv_mesh_state {
BATADV_MESH_INACTIVE,
BATADV_MESH_ACTIVE,
BATADV_MESH_DEACTIVATING,
};
#define BATADV_BCAST_QUEUE_LEN 256
#define BATADV_BATMAN_QUEUE_LEN 256
enum uev_action {
UEV_ADD = 0,
UEV_DEL,
UEV_CHANGE
enum batadv_uev_action {
BATADV_UEV_ADD = 0,
BATADV_UEV_DEL,
BATADV_UEV_CHANGE,
};
enum uev_type {
UEV_GW = 0
enum batadv_uev_type {
BATADV_UEV_GW = 0,
};
#define BATADV_GW_THRESHOLD 50
@ -124,12 +124,12 @@ enum uev_type {
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* all messages related to routing / flooding / broadcasting / etc */
enum dbg_level {
DBG_BATMAN = 1 << 0,
DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
DBG_TT = 1 << 2, /* translation table operations */
DBG_BLA = 1 << 3, /* bridge loop avoidance */
DBG_ALL = 15
enum batadv_dbg_level {
BATADV_DBG_BATMAN = 1 << 0,
BATADV_DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
BATADV_DBG_TT = 1 << 2, /* translation table operations */
BATADV_DBG_BLA = 1 << 3, /* bridge loop avoidance */
BATADV_DBG_ALL = 15,
};
/* Kernel headers */
@ -164,16 +164,17 @@ int batadv_is_my_mac(const uint8_t *addr);
int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev);
int batadv_recv_handler_register(uint8_t packet_type,
int (*recv_handler)(struct sk_buff *,
struct hard_iface *));
int
batadv_recv_handler_register(uint8_t packet_type,
int (*recv_handler)(struct sk_buff *,
struct batadv_hard_iface *));
void batadv_recv_handler_unregister(uint8_t packet_type);
int batadv_algo_register(struct bat_algo_ops *bat_algo_ops);
int batadv_algo_select(struct bat_priv *bat_priv, char *name);
int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops);
int batadv_algo_select(struct batadv_priv *bat_priv, char *name);
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
#ifdef CONFIG_BATMAN_ADV_DEBUG
int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...)
int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
__printf(2, 3);
#define batadv_dbg(type, bat_priv, fmt, arg...) \
@ -185,7 +186,7 @@ __printf(2, 3);
#else /* !CONFIG_BATMAN_ADV_DEBUG */
__printf(3, 4)
static inline void batadv_dbg(int type __always_unused,
struct bat_priv *bat_priv __always_unused,
struct batadv_priv *bat_priv __always_unused,
const char *fmt __always_unused, ...)
{
}
@ -194,15 +195,15 @@ static inline void batadv_dbg(int type __always_unused,
#define batadv_info(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
struct batadv_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
pr_info("%s: " fmt, _netdev->name, ## arg); \
} while (0)
#define batadv_err(net_dev, fmt, arg...) \
do { \
struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \
struct batadv_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
pr_err("%s: " fmt, _netdev->name, ## arg); \
} while (0)
@ -250,7 +251,7 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
#define batadv_seq_after(x, y) batadv_seq_before(y, x)
/* Stop preemption on local cpu while incrementing the counter */
static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx,
static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,
size_t count)
{
int cpu = get_cpu();
@ -261,11 +262,11 @@ static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx,
#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
/* Sum and return the cpu-local counters for index 'idx' */
static inline uint64_t batadv_sum_counter(struct bat_priv *bat_priv, size_t idx)
static inline uint64_t batadv_sum_counter(struct batadv_priv *bat_priv,
size_t idx)
{
uint64_t *counters;
uint64_t *counters, sum = 0;
int cpu;
int sum = 0;
for_each_possible_cpu(cpu) {
counters = per_cpu_ptr(bat_priv->bat_counters, cpu);

149
net/batman-adv/originator.c
View File

@ -30,7 +30,7 @@
static void batadv_purge_orig(struct work_struct *work);
static void batadv_start_purge_timer(struct bat_priv *bat_priv)
static void batadv_start_purge_timer(struct batadv_priv *bat_priv)
{
INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);
queue_delayed_work(batadv_event_workqueue,
@ -40,12 +40,13 @@ static void batadv_start_purge_timer(struct bat_priv *bat_priv)
/* returns 1 if they are the same originator */
static int batadv_compare_orig(const struct hlist_node *node, const void *data2)
{
const void *data1 = container_of(node, struct orig_node, hash_entry);
const void *data1 = container_of(node, struct batadv_orig_node,
hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
int batadv_originator_init(struct bat_priv *bat_priv)
int batadv_originator_init(struct batadv_priv *bat_priv)
{
if (bat_priv->orig_hash)
return 0;
@ -62,16 +63,17 @@ err:
return -ENOMEM;
}
void batadv_neigh_node_free_ref(struct neigh_node *neigh_node)
void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node)
{
if (atomic_dec_and_test(&neigh_node->refcount))
kfree_rcu(neigh_node, rcu);
}
/* increases the refcounter of a found router */
struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node)
struct batadv_neigh_node *
batadv_orig_node_get_router(struct batadv_orig_node *orig_node)
{
struct neigh_node *router;
struct batadv_neigh_node *router;
rcu_read_lock();
router = rcu_dereference(orig_node->router);
@ -83,12 +85,12 @@ struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node)
return router;
}
struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface,
const uint8_t *neigh_addr,
uint32_t seqno)
struct batadv_neigh_node *
batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
const uint8_t *neigh_addr, uint32_t seqno)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct neigh_node *neigh_node;
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_neigh_node *neigh_node;
neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC);
if (!neigh_node)
@ -102,7 +104,7 @@ struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface,
/* extra reference for return */
atomic_set(&neigh_node->refcount, 2);
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Creating new neighbor %pM, initial seqno %d\n",
neigh_addr, seqno);
@ -113,10 +115,10 @@ out:
static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
{
struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node, *tmp_neigh_node;
struct orig_node *orig_node;
struct batadv_neigh_node *neigh_node, *tmp_neigh_node;
struct batadv_orig_node *orig_node;
orig_node = container_of(rcu, struct orig_node, rcu);
orig_node = container_of(rcu, struct batadv_orig_node, rcu);
spin_lock_bh(&orig_node->neigh_list_lock);
@ -146,19 +148,19 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
kfree(orig_node);
}
void batadv_orig_node_free_ref(struct orig_node *orig_node)
void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node)
{
if (atomic_dec_and_test(&orig_node->refcount))
call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);
}
void batadv_originator_free(struct bat_priv *bat_priv)
void batadv_originator_free(struct batadv_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
uint32_t i;
if (!hash)
@ -188,10 +190,10 @@ void batadv_originator_free(struct bat_priv *bat_priv)
/* this function finds or creates an originator entry for the given
* address if it does not exits
*/
struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv,
const uint8_t *addr)
struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv,
const uint8_t *addr)
{
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
int size;
int hash_added;
unsigned long reset_time;
@ -200,8 +202,8 @@ struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv,
if (orig_node)
return orig_node;
batadv_dbg(DBG_BATMAN, bat_priv, "Creating new originator: %pM\n",
addr);
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Creating new originator: %pM\n", addr);
orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC);
if (!orig_node)
@ -264,15 +266,16 @@ free_orig_node:
return NULL;
}
static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct neigh_node **best_neigh_node)
static bool
batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
struct batadv_neigh_node **best_neigh_node)
{
struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node;
struct batadv_neigh_node *neigh_node;
bool neigh_purged = false;
unsigned long last_seen;
struct hard_iface *if_incoming;
struct batadv_hard_iface *if_incoming;
*best_neigh_node = NULL;
@ -286,19 +289,19 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
if_incoming = neigh_node->if_incoming;
if ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) ||
(if_incoming->if_status == IF_INACTIVE) ||
(if_incoming->if_status == IF_NOT_IN_USE) ||
(if_incoming->if_status == IF_TO_BE_REMOVED)) {
(if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) {
if ((if_incoming->if_status == IF_INACTIVE) ||
(if_incoming->if_status == IF_NOT_IN_USE) ||
(if_incoming->if_status == IF_TO_BE_REMOVED))
batadv_dbg(DBG_BATMAN, bat_priv,
if ((if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == BATADV_IF_TO_BE_REMOVED))
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"neighbor purge: originator %pM, neighbor: %pM, iface: %s\n",
orig_node->orig, neigh_node->addr,
if_incoming->net_dev->name);
else
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n",
orig_node->orig, neigh_node->addr,
jiffies_to_msecs(last_seen));
@ -319,14 +322,14 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
return neigh_purged;
}
static bool batadv_purge_orig_node(struct bat_priv *bat_priv,
struct orig_node *orig_node)
static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node)
{
struct neigh_node *best_neigh_node;
struct batadv_neigh_node *best_neigh_node;
if (batadv_has_timed_out(orig_node->last_seen,
2 * BATADV_PURGE_TIMEOUT)) {
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Originator timeout: originator %pM, last_seen %u\n",
orig_node->orig,
jiffies_to_msecs(orig_node->last_seen));
@ -341,13 +344,13 @@ static bool batadv_purge_orig_node(struct bat_priv *bat_priv,
return false;
}
static void _batadv_purge_orig(struct bat_priv *bat_priv)
static void _batadv_purge_orig(struct batadv_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
uint32_t i;
if (!hash)
@ -383,16 +386,16 @@ static void _batadv_purge_orig(struct bat_priv *bat_priv)
static void batadv_purge_orig(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, orig_work);
struct delayed_work *delayed_work;
struct batadv_priv *bat_priv;
delayed_work = container_of(work, struct delayed_work, work);
bat_priv = container_of(delayed_work, struct batadv_priv, orig_work);
_batadv_purge_orig(bat_priv);
batadv_start_purge_timer(bat_priv);
}
void batadv_purge_orig_ref(struct bat_priv *bat_priv)
void batadv_purge_orig_ref(struct batadv_priv *bat_priv)
{
_batadv_purge_orig(bat_priv);
}
@ -400,16 +403,17 @@ void batadv_purge_orig_ref(struct bat_priv *bat_priv)
int batadv_orig_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->orig_hash;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
struct hard_iface *primary_if;
struct orig_node *orig_node;
struct neigh_node *neigh_node, *neigh_node_tmp;
struct batadv_hard_iface *primary_if;
struct batadv_orig_node *orig_node;
struct batadv_neigh_node *neigh_node, *neigh_node_tmp;
int batman_count = 0;
int last_seen_secs;
int last_seen_msecs;
unsigned long last_seen_jiffies;
uint32_t i;
int ret = 0;
@ -422,7 +426,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
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);
@ -448,10 +452,10 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
if (neigh_node->tq_avg == 0)
goto next;
last_seen_secs = jiffies_to_msecs(jiffies -
orig_node->last_seen) / 1000;
last_seen_msecs = jiffies_to_msecs(jiffies -
orig_node->last_seen) % 1000;
last_seen_jiffies = jiffies - orig_node->last_seen;
last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_secs = last_seen_msecs / 1000;
last_seen_msecs = last_seen_msecs % 1000;
seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:",
orig_node->orig, last_seen_secs,
@ -484,7 +488,8 @@ out:
return ret;
}
static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num)
static int batadv_orig_node_add_if(struct batadv_orig_node *orig_node,
int max_if_num)
{
void *data_ptr;
size_t data_size, old_size;
@ -511,13 +516,14 @@ static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num)
return 0;
}
int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num)
int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
uint32_t i;
int ret;
@ -546,7 +552,7 @@ err:
return -ENOMEM;
}
static int batadv_orig_node_del_if(struct orig_node *orig_node,
static int batadv_orig_node_del_if(struct batadv_orig_node *orig_node,
int max_if_num, int del_if_num)
{
void *data_ptr = NULL;
@ -594,14 +600,15 @@ free_own_sum:
return 0;
}
int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct hard_iface *hard_iface_tmp;
struct orig_node *orig_node;
struct batadv_hard_iface *hard_iface_tmp;
struct batadv_orig_node *orig_node;
uint32_t i;
int ret;
@ -627,7 +634,7 @@ int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
/* renumber remaining batman interfaces _inside_ of orig_hash_lock */
rcu_read_lock();
list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) {
if (hard_iface_tmp->if_status == IF_NOT_IN_USE)
if (hard_iface_tmp->if_status == BATADV_IF_NOT_IN_USE)
continue;
if (hard_iface == hard_iface_tmp)

37
net/batman-adv/originator.h
View File

@ -22,20 +22,23 @@
#include "hash.h"
int batadv_originator_init(struct bat_priv *bat_priv);
void batadv_originator_free(struct bat_priv *bat_priv);
void batadv_purge_orig_ref(struct bat_priv *bat_priv);
void batadv_orig_node_free_ref(struct orig_node *orig_node);
struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv,
const uint8_t *addr);
struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface,
const uint8_t *neigh_addr,
uint32_t seqno);
void batadv_neigh_node_free_ref(struct neigh_node *neigh_node);
struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node);
int batadv_originator_init(struct batadv_priv *bat_priv);
void batadv_originator_free(struct batadv_priv *bat_priv);
void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node);
struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv,
const uint8_t *addr);
struct batadv_neigh_node *
batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
const uint8_t *neigh_addr, uint32_t seqno);
void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node);
struct batadv_neigh_node *
batadv_orig_node_get_router(struct batadv_orig_node *orig_node);
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num);
int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num);
int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
int max_if_num);
int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
int max_if_num);
/* hashfunction to choose an entry in a hash table of given size
@ -60,13 +63,13 @@ static inline uint32_t batadv_choose_orig(const void *data, uint32_t size)
return hash % size;
}
static inline struct orig_node *batadv_orig_hash_find(struct bat_priv *bat_priv,
const void *data)
static inline struct batadv_orig_node *
batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_head *head;
struct hlist_node *node;
struct orig_node *orig_node, *orig_node_tmp = NULL;
struct batadv_orig_node *orig_node, *orig_node_tmp = NULL;
int index;
if (!hash)

132
net/batman-adv/packet.h
View File

@ -22,99 +22,99 @@
#define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */
enum bat_packettype {
BAT_IV_OGM = 0x01,
BAT_ICMP = 0x02,
BAT_UNICAST = 0x03,
BAT_BCAST = 0x04,
BAT_VIS = 0x05,
BAT_UNICAST_FRAG = 0x06,
BAT_TT_QUERY = 0x07,
BAT_ROAM_ADV = 0x08
enum batadv_packettype {
BATADV_IV_OGM = 0x01,
BATADV_ICMP = 0x02,
BATADV_UNICAST = 0x03,
BATADV_BCAST = 0x04,
BATADV_VIS = 0x05,
BATADV_UNICAST_FRAG = 0x06,
BATADV_TT_QUERY = 0x07,
BATADV_ROAM_ADV = 0x08,
};
/* this file is included by batctl which needs these defines */
#define BATADV_COMPAT_VERSION 14
enum batman_iv_flags {
NOT_BEST_NEXT_HOP = 1 << 3,
PRIMARIES_FIRST_HOP = 1 << 4,
VIS_SERVER = 1 << 5,
DIRECTLINK = 1 << 6
enum batadv_iv_flags {
BATADV_NOT_BEST_NEXT_HOP = 1 << 3,
BATADV_PRIMARIES_FIRST_HOP = 1 << 4,
BATADV_VIS_SERVER = 1 << 5,
BATADV_DIRECTLINK = 1 << 6,
};
/* ICMP message types */
enum icmp_packettype {
ECHO_REPLY = 0,
DESTINATION_UNREACHABLE = 3,
ECHO_REQUEST = 8,
TTL_EXCEEDED = 11,
PARAMETER_PROBLEM = 12
enum batadv_icmp_packettype {
BATADV_ECHO_REPLY = 0,
BATADV_DESTINATION_UNREACHABLE = 3,
BATADV_ECHO_REQUEST = 8,
BATADV_TTL_EXCEEDED = 11,
BATADV_PARAMETER_PROBLEM = 12,
};
/* vis defines */
enum vis_packettype {
VIS_TYPE_SERVER_SYNC = 0,
VIS_TYPE_CLIENT_UPDATE = 1
enum batadv_vis_packettype {
BATADV_VIS_TYPE_SERVER_SYNC = 0,
BATADV_VIS_TYPE_CLIENT_UPDATE = 1,
};
/* fragmentation defines */
enum unicast_frag_flags {
UNI_FRAG_HEAD = 1 << 0,
UNI_FRAG_LARGETAIL = 1 << 1
enum batadv_unicast_frag_flags {
BATADV_UNI_FRAG_HEAD = 1 << 0,
BATADV_UNI_FRAG_LARGETAIL = 1 << 1,
};
/* TT_QUERY subtypes */
#define BATADV_TT_QUERY_TYPE_MASK 0x3
enum tt_query_packettype {
TT_REQUEST = 0,
TT_RESPONSE = 1
enum batadv_tt_query_packettype {
BATADV_TT_REQUEST = 0,
BATADV_TT_RESPONSE = 1,
};
/* TT_QUERY flags */
enum tt_query_flags {
TT_FULL_TABLE = 1 << 2
enum batadv_tt_query_flags {
BATADV_TT_FULL_TABLE = 1 << 2,
};
/* TT_CLIENT flags.
/* BATADV_TT_CLIENT flags.
* Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
* 1 << 15 are used for local computation only
*/
enum tt_client_flags {
TT_CLIENT_DEL = 1 << 0,
TT_CLIENT_ROAM = 1 << 1,
TT_CLIENT_WIFI = 1 << 2,
TT_CLIENT_NOPURGE = 1 << 8,
TT_CLIENT_NEW = 1 << 9,
TT_CLIENT_PENDING = 1 << 10
enum batadv_tt_client_flags {
BATADV_TT_CLIENT_DEL = 1 << 0,
BATADV_TT_CLIENT_ROAM = 1 << 1,
BATADV_TT_CLIENT_WIFI = 1 << 2,
BATADV_TT_CLIENT_NOPURGE = 1 << 8,
BATADV_TT_CLIENT_NEW = 1 << 9,
BATADV_TT_CLIENT_PENDING = 1 << 10,
};
/* claim frame types for the bridge loop avoidance */
enum bla_claimframe {
CLAIM_TYPE_ADD = 0x00,
CLAIM_TYPE_DEL = 0x01,
CLAIM_TYPE_ANNOUNCE = 0x02,
CLAIM_TYPE_REQUEST = 0x03
enum batadv_bla_claimframe {
BATADV_CLAIM_TYPE_ADD = 0x00,
BATADV_CLAIM_TYPE_DEL = 0x01,
BATADV_CLAIM_TYPE_ANNOUNCE = 0x02,
BATADV_CLAIM_TYPE_REQUEST = 0x03,
};
/* the destination hardware field in the ARP frame is used to
* transport the claim type and the group id
*/
struct bla_claim_dst {
struct batadv_bla_claim_dst {
uint8_t magic[3]; /* FF:43:05 */
uint8_t type; /* bla_claimframe */
__be16 group; /* group id */
} __packed;
struct batman_header {
struct batadv_header {
uint8_t packet_type;
uint8_t version; /* batman version field */
uint8_t ttl;
} __packed;
struct batman_ogm_packet {
struct batman_header header;
struct batadv_ogm_packet {
struct batadv_header header;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
__be32 seqno;
uint8_t orig[ETH_ALEN];
@ -126,10 +126,10 @@ struct batman_ogm_packet {
__be16 tt_crc;
} __packed;
#define BATADV_OGM_HLEN sizeof(struct batman_ogm_packet)
#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet)
struct icmp_packet {
struct batman_header header;
struct batadv_icmp_packet {
struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
@ -143,8 +143,8 @@ struct icmp_packet {
/* icmp_packet_rr must start with all fields from imcp_packet
* as this is assumed by code that handles ICMP packets
*/
struct icmp_packet_rr {
struct batman_header header;
struct batadv_icmp_packet_rr {
struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN];
@ -154,14 +154,14 @@ struct icmp_packet_rr {
uint8_t rr[BATADV_RR_LEN][ETH_ALEN];
} __packed;
struct unicast_packet {
struct batman_header header;
struct batadv_unicast_packet {
struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN];
} __packed;
struct unicast_frag_packet {
struct batman_header header;
struct batadv_unicast_frag_packet {
struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN];
uint8_t flags;
@ -170,15 +170,15 @@ struct unicast_frag_packet {
__be16 seqno;
} __packed;
struct bcast_packet {
struct batman_header header;
struct batadv_bcast_packet {
struct batadv_header header;
uint8_t reserved;
__be32 seqno;
uint8_t orig[ETH_ALEN];
} __packed;
struct vis_packet {
struct batman_header header;
struct batadv_vis_packet {
struct batadv_header header;
uint8_t vis_type; /* which type of vis-participant sent this? */
__be32 seqno; /* sequence number */
uint8_t entries; /* number of entries behind this struct */
@ -188,8 +188,8 @@ struct vis_packet {
uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */
} __packed;
struct tt_query_packet {
struct batman_header header;
struct batadv_tt_query_packet {
struct batadv_header header;
/* the flag field is a combination of:
* - TT_REQUEST or TT_RESPONSE
* - TT_FULL_TABLE
@ -212,15 +212,15 @@ struct tt_query_packet {
__be16 tt_data;
} __packed;
struct roam_adv_packet {
struct batman_header header;
struct batadv_roam_adv_packet {
struct batadv_header header;
uint8_t reserved;
uint8_t dst[ETH_ALEN];
uint8_t src[ETH_ALEN];
uint8_t client[ETH_ALEN];
} __packed;
struct tt_change {
struct batadv_tt_change {
uint8_t flags;
uint8_t addr[ETH_ALEN];
} __packed;

300
net/batman-adv/routing.c
View File

@ -30,15 +30,15 @@
#include "bridge_loop_avoidance.h"
static int batadv_route_unicast_packet(struct sk_buff *skb,
struct hard_iface *recv_if);
struct batadv_hard_iface *recv_if);
void batadv_slide_own_bcast_window(struct hard_iface *hard_iface)
void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
unsigned long *word;
uint32_t i;
size_t word_index;
@ -62,30 +62,30 @@ void batadv_slide_own_bcast_window(struct hard_iface *hard_iface)
}
}
static void _batadv_update_route(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct neigh_node *neigh_node)
static void _batadv_update_route(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node)
{
struct neigh_node *curr_router;
struct batadv_neigh_node *curr_router;
curr_router = batadv_orig_node_get_router(orig_node);
/* route deleted */
if ((curr_router) && (!neigh_node)) {
batadv_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
orig_node->orig);
batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"Deleting route towards: %pM\n", orig_node->orig);
batadv_tt_global_del_orig(bat_priv, orig_node,
"Deleted route towards originator");
/* route added */
} else if ((!curr_router) && (neigh_node)) {
batadv_dbg(DBG_ROUTES, bat_priv,
batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"Adding route towards: %pM (via %pM)\n",
orig_node->orig, neigh_node->addr);
/* route changed */
} else if (neigh_node && curr_router) {
batadv_dbg(DBG_ROUTES, bat_priv,
batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"Changing route towards: %pM (now via %pM - was via %pM)\n",
orig_node->orig, neigh_node->addr,
curr_router->addr);
@ -107,10 +107,11 @@ static void _batadv_update_route(struct bat_priv *bat_priv,
batadv_neigh_node_free_ref(curr_router);
}
void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
struct neigh_node *neigh_node)
void batadv_update_route(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node)
{
struct neigh_node *router = NULL;
struct batadv_neigh_node *router = NULL;
if (!orig_node)
goto out;
@ -126,8 +127,8 @@ out:
}
/* caller must hold the neigh_list_lock */
void batadv_bonding_candidate_del(struct orig_node *orig_node,
struct neigh_node *neigh_node)
void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node)
{
/* this neighbor is not part of our candidate list */
if (list_empty(&neigh_node->bonding_list))
@ -142,11 +143,11 @@ out:
return;
}
void batadv_bonding_candidate_add(struct orig_node *orig_node,
struct neigh_node *neigh_node)
void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node)
{
struct hlist_node *node;
struct neigh_node *tmp_neigh_node, *router = NULL;
struct batadv_neigh_node *tmp_neigh_node, *router = NULL;
uint8_t interference_candidate = 0;
spin_lock_bh(&orig_node->neigh_list_lock);
@ -215,11 +216,11 @@ out:
/* copy primary address for bonding */
void
batadv_bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
const struct batman_ogm_packet *batman_ogm_packet)
batadv_bonding_save_primary(const struct batadv_orig_node *orig_node,
struct batadv_orig_node *orig_neigh_node,
const struct batadv_ogm_packet *batman_ogm_packet)
{
if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP))
if (!(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
return;
memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN);
@ -230,7 +231,7 @@ batadv_bonding_save_primary(const struct orig_node *orig_node,
* 0 if the packet is to be accepted
* 1 if the packet is to be ignored.
*/
int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff,
unsigned long *last_reset)
{
if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE ||
@ -240,7 +241,7 @@ int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
return 1;
*last_reset = jiffies;
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"old packet received, start protection\n");
}
@ -248,7 +249,7 @@ int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
}
bool batadv_check_management_packet(struct sk_buff *skb,
struct hard_iface *hard_iface,
struct batadv_hard_iface *hard_iface,
int header_len)
{
struct ethhdr *ethhdr;
@ -278,19 +279,19 @@ bool batadv_check_management_packet(struct sk_buff *skb,
return true;
}
static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
struct sk_buff *skb, size_t icmp_len)
{
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
struct icmp_packet_rr *icmp_packet;
struct batadv_hard_iface *primary_if = NULL;
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *router = NULL;
struct batadv_icmp_packet_rr *icmp_packet;
int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add data to device queue */
if (icmp_packet->msg_type != ECHO_REQUEST) {
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
batadv_socket_receive_packet(icmp_packet, icmp_len);
goto out;
}
@ -313,11 +314,11 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = ECHO_REPLY;
icmp_packet->msg_type = BATADV_ECHO_REPLY;
icmp_packet->header.ttl = BATADV_TTL;
batadv_send_skb_packet(skb, router->if_incoming, router->addr);
@ -333,19 +334,19 @@ out:
return ret;
}
static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv,
struct sk_buff *skb)
{
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
struct icmp_packet *icmp_packet;
struct batadv_hard_iface *primary_if = NULL;
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *router = NULL;
struct batadv_icmp_packet *icmp_packet;
int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet *)skb->data;
icmp_packet = (struct batadv_icmp_packet *)skb->data;
/* send TTL exceeded if packet is an echo request (traceroute) */
if (icmp_packet->msg_type != ECHO_REQUEST) {
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n",
icmp_packet->orig, icmp_packet->dst);
goto out;
@ -368,11 +369,11 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet *)skb->data;
icmp_packet = (struct batadv_icmp_packet *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = TTL_EXCEEDED;
icmp_packet->msg_type = BATADV_TTL_EXCEEDED;
icmp_packet->header.ttl = BATADV_TTL;
batadv_send_skb_packet(skb, router->if_incoming, router->addr);
@ -389,19 +390,20 @@ out:
}
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_icmp_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct icmp_packet_rr *icmp_packet;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_icmp_packet_rr *icmp_packet;
struct ethhdr *ethhdr;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
int hdr_size = sizeof(struct icmp_packet);
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *router = NULL;
int hdr_size = sizeof(struct batadv_icmp_packet);
int ret = NET_RX_DROP;
/* we truncate all incoming icmp packets if they don't match our size */
if (skb->len >= sizeof(struct icmp_packet_rr))
hdr_size = sizeof(struct icmp_packet_rr);
if (skb->len >= sizeof(struct batadv_icmp_packet_rr))
hdr_size = sizeof(struct batadv_icmp_packet_rr);
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, hdr_size)))
@ -421,10 +423,10 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_is_my_mac(ethhdr->h_dest))
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add record route information if not full */
if ((hdr_size == sizeof(struct icmp_packet_rr)) &&
if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
(icmp_packet->rr_cur < BATADV_RR_LEN)) {
memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
ethhdr->h_dest, ETH_ALEN);
@ -452,7 +454,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data;
icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* decrement ttl */
icmp_packet->header.ttl--;
@ -475,12 +477,12 @@ out:
* This method rotates the bonding list and increases the
* returned router's refcount.
*/
static struct neigh_node *
batadv_find_bond_router(struct orig_node *primary_orig,
const struct hard_iface *recv_if)
static struct batadv_neigh_node *
batadv_find_bond_router(struct batadv_orig_node *primary_orig,
const struct batadv_hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
struct batadv_neigh_node *tmp_neigh_node;
struct batadv_neigh_node *router = NULL, *first_candidate = NULL;
rcu_read_lock();
list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list,
@ -530,12 +532,12 @@ out:
*
* Increases the returned router's refcount
*/
static struct neigh_node *
batadv_find_ifalter_router(struct orig_node *primary_orig,
const struct hard_iface *recv_if)
static struct batadv_neigh_node *
batadv_find_ifalter_router(struct batadv_orig_node *primary_orig,
const struct batadv_hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
struct batadv_neigh_node *tmp_neigh_node;
struct batadv_neigh_node *router = NULL, *first_candidate = NULL;
rcu_read_lock();
list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list,
@ -577,20 +579,22 @@ batadv_find_ifalter_router(struct orig_node *primary_orig,
return router;
}
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct tt_query_packet *tt_query;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_tt_query_packet *tt_query;
uint16_t tt_size;
struct ethhdr *ethhdr;
char tt_flag;
size_t packet_size;
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_tt_query_packet))))
goto out;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0)
if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@ -603,26 +607,30 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source))
goto out;
tt_query = (struct tt_query_packet *)skb->data;
tt_query = (struct batadv_tt_query_packet *)skb->data;
switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) {
case TT_REQUEST:
batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX);
case BATADV_TT_REQUEST:
batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_RX);
/* If we cannot provide an answer the tt_request is
* forwarded
*/
if (!batadv_send_tt_response(bat_priv, tt_query)) {
tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.';
batadv_dbg(DBG_TT, bat_priv,
if (tt_query->flags & BATADV_TT_FULL_TABLE)
tt_flag = 'F';
else
tt_flag = '.';
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Routing TT_REQUEST to %pM [%c]\n",
tt_query->dst,
tt_flag);
return batadv_route_unicast_packet(skb, recv_if);
}
break;
case TT_RESPONSE:
batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_RX);
case BATADV_TT_RESPONSE:
batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX);
if (batadv_is_my_mac(tt_query->dst)) {
/* packet needs to be linearized to access the TT
@ -631,19 +639,23 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_linearize(skb) < 0)
goto out;
/* skb_linearize() possibly changed skb->data */
tt_query = (struct tt_query_packet *)skb->data;
tt_query = (struct batadv_tt_query_packet *)skb->data;
tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
/* Ensure we have all the claimed data */
if (unlikely(skb_headlen(skb) <
sizeof(struct tt_query_packet) + tt_size))
packet_size = sizeof(struct batadv_tt_query_packet);
packet_size += tt_size;
if (unlikely(skb_headlen(skb) < packet_size))
goto out;
batadv_handle_tt_response(bat_priv, tt_query);
} else {
tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.';
batadv_dbg(DBG_TT, bat_priv,
if (tt_query->flags & BATADV_TT_FULL_TABLE)
tt_flag = 'F';
else
tt_flag = '.';
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Routing TT_RESPONSE to %pM [%c]\n",
tt_query->dst,
tt_flag);
@ -657,15 +669,16 @@ out:
return NET_RX_DROP;
}
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct roam_adv_packet *roam_adv_packet;
struct orig_node *orig_node;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_roam_adv_packet *roam_adv_packet;
struct batadv_orig_node *orig_node;
struct ethhdr *ethhdr;
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet))))
if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_roam_adv_packet))))
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@ -678,9 +691,9 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source))
goto out;
batadv_inc_counter(bat_priv, BAT_CNT_TT_ROAM_ADV_RX);
batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
roam_adv_packet = (struct roam_adv_packet *)skb->data;
roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
if (!batadv_is_my_mac(roam_adv_packet->dst))
return batadv_route_unicast_packet(skb, recv_if);
@ -696,12 +709,12 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
if (!orig_node)
goto out;
batadv_dbg(DBG_TT, bat_priv,
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received ROAMING_ADV from %pM (client %pM)\n",
roam_adv_packet->src, roam_adv_packet->client);
batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
TT_CLIENT_ROAM,
BATADV_TT_CLIENT_ROAM,
atomic_read(&orig_node->last_ttvn) + 1);
/* Roaming phase starts: I have new information but the ttvn has not
@ -720,13 +733,14 @@ out:
* bonding if possible. increases the found neighbors
* refcount.
*/
struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const struct hard_iface *recv_if)
struct batadv_neigh_node *
batadv_find_router(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *recv_if)
{
struct orig_node *primary_orig_node;
struct orig_node *router_orig;
struct neigh_node *router;
struct batadv_orig_node *primary_orig_node;
struct batadv_orig_node *router_orig;
struct batadv_neigh_node *router;
static uint8_t zero_mac[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
int bonding_enabled;
uint8_t *primary_addr;
@ -792,7 +806,7 @@ struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
router = batadv_find_ifalter_router(primary_orig_node, recv_if);
return_router:
if (router && router->if_incoming->if_status != IF_ACTIVE)
if (router && router->if_incoming->if_status != BATADV_IF_ACTIVE)
goto err_unlock;
rcu_read_unlock();
@ -831,17 +845,17 @@ static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
}
static int batadv_route_unicast_packet(struct sk_buff *skb,
struct hard_iface *recv_if)
struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
struct unicast_packet *unicast_packet;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_orig_node *orig_node = NULL;
struct batadv_neigh_node *neigh_node = NULL;
struct batadv_unicast_packet *unicast_packet;
struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);
int ret = NET_RX_DROP;
struct sk_buff *new_skb;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* TTL exceeded */
if (unicast_packet->header.ttl < 2) {
@ -866,9 +880,9 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (unicast_packet->header.packet_type == BAT_UNICAST &&
if (unicast_packet->header.packet_type == BATADV_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
skb->len > neigh_node->if_incoming->net_dev->mtu) {
ret = batadv_frag_send_skb(skb, bat_priv,
@ -877,7 +891,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
goto out;
}
if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG &&
if (unicast_packet->header.packet_type == BATADV_UNICAST_FRAG &&
batadv_frag_can_reassemble(skb,
neigh_node->if_incoming->net_dev->mtu)) {
@ -893,15 +907,15 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
}
skb = new_skb;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
}
/* decrement ttl */
unicast_packet->header.ttl--;
/* Update stats counter */
batadv_inc_counter(bat_priv, BAT_CNT_FORWARD);
batadv_add_counter(bat_priv, BAT_CNT_FORWARD_BYTES,
batadv_inc_counter(bat_priv, BATADV_CNT_FORWARD);
batadv_add_counter(bat_priv, BATADV_CNT_FORWARD_BYTES,
skb->len + ETH_HLEN);
/* route it */
@ -916,21 +930,21 @@ out:
return ret;
}
static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
struct sk_buff *skb) {
uint8_t curr_ttvn;
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
struct ethhdr *ethhdr;
struct hard_iface *primary_if;
struct unicast_packet *unicast_packet;
struct batadv_hard_iface *primary_if;
struct batadv_unicast_packet *unicast_packet;
bool tt_poss_change;
int is_old_ttvn;
/* I could need to modify it */
if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
if (skb_cow(skb, sizeof(struct batadv_unicast_packet)) < 0)
return 0;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change;
@ -951,12 +965,11 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(struct unicast_packet) +
if (pskb_may_pull(skb, sizeof(struct batadv_unicast_packet) +
ETH_HLEN) < 0)
return 0;
ethhdr = (struct ethhdr *)(skb->data +
sizeof(struct unicast_packet));
ethhdr = (struct ethhdr *)(skb->data + sizeof(*unicast_packet));
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
@ -985,7 +998,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
batadv_orig_node_free_ref(orig_node);
}
batadv_dbg(DBG_ROUTES, bat_priv,
batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n",
unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
unicast_packet->dest);
@ -995,10 +1008,11 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
return 1;
}
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_packet *unicast_packet;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_unicast_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
if (batadv_check_unicast_packet(skb, hdr_size) < 0)
@ -1007,7 +1021,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@ -1020,10 +1034,10 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
}
int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if)
struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_unicast_frag_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
struct sk_buff *new_skb = NULL;
int ret;
@ -1034,7 +1048,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
unicast_packet = (struct unicast_frag_packet *)skb->data;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@ -1049,7 +1063,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
return NET_RX_SUCCESS;
batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
sizeof(struct unicast_packet));
sizeof(struct batadv_unicast_packet));
return NET_RX_SUCCESS;
}
@ -1057,11 +1071,12 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
}
int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_bcast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
struct bcast_packet *bcast_packet;
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_orig_node *orig_node = NULL;
struct batadv_bcast_packet *bcast_packet;
struct ethhdr *ethhdr;
int hdr_size = sizeof(*bcast_packet);
int ret = NET_RX_DROP;
@ -1085,7 +1100,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (batadv_is_my_mac(ethhdr->h_source))
goto out;
bcast_packet = (struct bcast_packet *)skb->data;
bcast_packet = (struct batadv_bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */
if (batadv_is_my_mac(bcast_packet->orig))
@ -1147,11 +1162,12 @@ out:
return ret;
}
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
int batadv_recv_vis_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
struct vis_packet *vis_packet;
struct batadv_vis_packet *vis_packet;
struct ethhdr *ethhdr;
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
int hdr_size = sizeof(*vis_packet);
/* keep skb linear */
@ -1161,7 +1177,7 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (unlikely(!pskb_may_pull(skb, hdr_size)))
return NET_RX_DROP;
vis_packet = (struct vis_packet *)skb->data;
vis_packet = (struct batadv_vis_packet *)skb->data;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */
@ -1176,12 +1192,12 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
return NET_RX_DROP;
switch (vis_packet->vis_type) {
case VIS_TYPE_SERVER_SYNC:
case BATADV_VIS_TYPE_SERVER_SYNC:
batadv_receive_server_sync_packet(bat_priv, vis_packet,
skb_headlen(skb));
break;
case VIS_TYPE_CLIENT_UPDATE:
case BATADV_VIS_TYPE_CLIENT_UPDATE:
batadv_receive_client_update_packet(bat_priv, vis_packet,
skb_headlen(skb));
break;

52
net/batman-adv/routing.h
View File

@ -20,32 +20,40 @@
#ifndef _NET_BATMAN_ADV_ROUTING_H_
#define _NET_BATMAN_ADV_ROUTING_H_
void batadv_slide_own_bcast_window(struct hard_iface *hard_iface);
void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface);
bool batadv_check_management_packet(struct sk_buff *skb,
struct hard_iface *hard_iface,
struct batadv_hard_iface *hard_iface,
int header_len);
void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node,
struct neigh_node *neigh_node);
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
void batadv_update_route(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node);
int batadv_recv_icmp_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if);
int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if);
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if);
struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
const struct hard_iface *recv_if);
void batadv_bonding_candidate_del(struct orig_node *orig_node,
struct neigh_node *neigh_node);
void batadv_bonding_candidate_add(struct orig_node *orig_node,
struct neigh_node *neigh_node);
void batadv_bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
const struct batman_ogm_packet
struct batadv_hard_iface *recv_if);
int batadv_recv_bcast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_vis_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_tt_query(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_roam_adv(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
struct batadv_neigh_node *
batadv_find_router(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *recv_if);
void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node);
void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node);
void batadv_bonding_save_primary(const struct batadv_orig_node *orig_node,
struct batadv_orig_node *orig_neigh_node,
const struct batadv_ogm_packet
*batman_ogm_packet);
int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff,
unsigned long *last_reset);
#endif /* _NET_BATMAN_ADV_ROUTING_H_ */

75
net/batman-adv/send.c
View File

@ -32,12 +32,13 @@ static void batadv_send_outstanding_bcast_packet(struct work_struct *work);
/* send out an already prepared packet to the given address via the
* specified batman interface
*/
int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
int batadv_send_skb_packet(struct sk_buff *skb,
struct batadv_hard_iface *hard_iface,
const uint8_t *dst_addr)
{
struct ethhdr *ethhdr;
if (hard_iface->if_status != IF_ACTIVE)
if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto send_skb_err;
if (unlikely(!hard_iface->net_dev))
@ -76,12 +77,12 @@ send_skb_err:
return NET_XMIT_DROP;
}
void batadv_schedule_bat_ogm(struct hard_iface *hard_iface)
void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
if ((hard_iface->if_status == IF_NOT_IN_USE) ||
(hard_iface->if_status == IF_TO_BE_REMOVED))
if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) ||
(hard_iface->if_status == BATADV_IF_TO_BE_REMOVED))
return;
/* the interface gets activated here to avoid race conditions between
@ -90,13 +91,13 @@ void batadv_schedule_bat_ogm(struct hard_iface *hard_iface)
* outdated packets (especially uninitialized mac addresses) in the
* packet queue
*/
if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
hard_iface->if_status = IF_ACTIVE;
if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED)
hard_iface->if_status = BATADV_IF_ACTIVE;
bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface);
}
static void batadv_forw_packet_free(struct forw_packet *forw_packet)
static void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet)
{
if (forw_packet->skb)
kfree_skb(forw_packet->skb);
@ -105,9 +106,10 @@ static void batadv_forw_packet_free(struct forw_packet *forw_packet)
kfree(forw_packet);
}
static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
struct forw_packet *forw_packet,
unsigned long send_time)
static void
_batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
struct batadv_forw_packet *forw_packet,
unsigned long send_time)
{
INIT_HLIST_NODE(&forw_packet->list);
@ -132,17 +134,18 @@ static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
* The skb is not consumed, so the caller should make sure that the
* skb is freed.
*/
int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
const struct sk_buff *skb,
unsigned long delay)
{
struct hard_iface *primary_if = NULL;
struct forw_packet *forw_packet;
struct bcast_packet *bcast_packet;
struct batadv_hard_iface *primary_if = NULL;
struct batadv_forw_packet *forw_packet;
struct batadv_bcast_packet *bcast_packet;
struct sk_buff *newskb;
if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"bcast packet queue full\n");
goto out;
}
@ -160,7 +163,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
goto packet_free;
/* as we have a copy now, it is safe to decrease the TTL */
bcast_packet = (struct bcast_packet *)newskb->data;
bcast_packet = (struct batadv_bcast_packet *)newskb->data;
bcast_packet->header.ttl--;
skb_reset_mac_header(newskb);
@ -186,20 +189,24 @@ out:
static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
{
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet =
container_of(delayed_work, struct forw_packet, delayed_work);
struct batadv_forw_packet *forw_packet;
struct sk_buff *skb1;
struct net_device *soft_iface = forw_packet->if_incoming->soft_iface;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct net_device *soft_iface;
struct batadv_priv *bat_priv;
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
soft_iface = forw_packet->if_incoming->soft_iface;
bat_priv = netdev_priv(soft_iface);
spin_lock_bh(&bat_priv->forw_bcast_list_lock);
hlist_del(&forw_packet->list);
spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING)
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING)
goto out;
/* rebroadcast packet */
@ -234,16 +241,17 @@ void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work)
{
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet =
container_of(delayed_work, struct forw_packet, delayed_work);
struct bat_priv *bat_priv;
struct batadv_forw_packet *forw_packet;
struct batadv_priv *bat_priv;
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface);
spin_lock_bh(&bat_priv->forw_bat_list_lock);
hlist_del(&forw_packet->list);
spin_unlock_bh(&bat_priv->forw_bat_list_lock);
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING)
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING)
goto out;
bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet);
@ -263,19 +271,20 @@ out:
batadv_forw_packet_free(forw_packet);
}
void batadv_purge_outstanding_packets(struct bat_priv *bat_priv,
const struct hard_iface *hard_iface)
void
batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
const struct batadv_hard_iface *hard_iface)
{
struct forw_packet *forw_packet;
struct batadv_forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
bool pending;
if (hard_iface)
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"purge_outstanding_packets(): %s\n",
hard_iface->net_dev->name);
else
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"purge_outstanding_packets()\n");
/* free bcast list */

12
net/batman-adv/send.h
View File

@ -20,14 +20,16 @@
#ifndef _NET_BATMAN_ADV_SEND_H_
#define _NET_BATMAN_ADV_SEND_H_
int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
int batadv_send_skb_packet(struct sk_buff *skb,
struct batadv_hard_iface *hard_iface,
const uint8_t *dst_addr);
void batadv_schedule_bat_ogm(struct hard_iface *hard_iface);
int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
const struct sk_buff *skb,
unsigned long delay);
void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
void batadv_purge_outstanding_packets(struct bat_priv *bat_priv,
const struct hard_iface *hard_iface);
void
batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
const struct batadv_hard_iface *hard_iface);
#endif /* _NET_BATMAN_ADV_SEND_H_ */

55
net/batman-adv/soft-interface.c
View File

@ -22,12 +22,12 @@
#include "hard-interface.h"
#include "routing.h"
#include "send.h"
#include "bat_debugfs.h"
#include "debugfs.h"
#include "translation-table.h"
#include "hash.h"
#include "gateway_common.h"
#include "gateway_client.h"
#include "bat_sysfs.h"
#include "sysfs.h"
#include "originator.h"
#include <linux/slab.h>
#include <linux/ethtool.h>
@ -92,20 +92,20 @@ static int batadv_interface_release(struct net_device *dev)
static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct batadv_priv *bat_priv = netdev_priv(dev);
return &bat_priv->stats;
}
static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
batadv_tt_local_remove(bat_priv, dev->dev_addr,
"mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
@ -131,9 +131,9 @@ static int batadv_interface_tx(struct sk_buff *skb,
struct net_device *soft_iface)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct hard_iface *primary_if = NULL;
struct bcast_packet *bcast_packet;
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_hard_iface *primary_if = NULL;
struct batadv_bcast_packet *bcast_packet;
struct vlan_ethhdr *vhdr;
__be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00,
@ -143,7 +143,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
short vid __maybe_unused = -1;
bool do_bcast = false;
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
soft_iface->trans_start = jiffies;
@ -177,7 +177,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
do_bcast = true;
switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_SERVER:
case BATADV_GW_MODE_SERVER:
/* gateway servers should not send dhcp
* requests into the mesh
*/
@ -185,7 +185,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (ret)
goto dropped;
break;
case GW_MODE_CLIENT:
case BATADV_GW_MODE_CLIENT:
/* gateway clients should send dhcp requests
* via unicast to their gateway
*/
@ -193,7 +193,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (ret)
do_bcast = false;
break;
case GW_MODE_OFF:
case BATADV_GW_MODE_OFF:
default:
break;
}
@ -208,12 +208,13 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
bcast_packet = (struct batadv_bcast_packet *)skb->data;
bcast_packet->header.version = BATADV_COMPAT_VERSION;
bcast_packet->header.ttl = BATADV_TTL;
/* batman packet type: broadcast */
bcast_packet->header.packet_type = BAT_BCAST;
bcast_packet->header.packet_type = BATADV_BCAST;
bcast_packet->reserved = 0;
/* hw address of first interface is the orig mac because only
* this mac is known throughout the mesh
@ -234,7 +235,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
/* unicast packet */
} else {
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) {
if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) {
ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr);
if (ret)
goto dropped;
@ -260,10 +261,10 @@ end:
}
void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct hard_iface *recv_if,
struct sk_buff *skb, struct batadv_hard_iface *recv_if,
int hdr_size)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr;
short vid __maybe_unused = -1;
@ -338,7 +339,7 @@ static const struct net_device_ops batadv_netdev_ops = {
static void batadv_interface_setup(struct net_device *dev)
{
struct bat_priv *priv = netdev_priv(dev);
struct batadv_priv *priv = netdev_priv(dev);
ether_setup(dev);
@ -364,8 +365,9 @@ static void batadv_interface_setup(struct net_device *dev)
struct net_device *batadv_softif_create(const char *name)
{
struct net_device *soft_iface;
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
int ret;
size_t cnt_len = sizeof(uint64_t) * BATADV_CNT_NUM;
soft_iface = alloc_netdev(sizeof(*bat_priv), name,
batadv_interface_setup);
@ -386,8 +388,8 @@ struct net_device *batadv_softif_create(const char *name)
atomic_set(&bat_priv->bonding, 0);
atomic_set(&bat_priv->bridge_loop_avoidance, 0);
atomic_set(&bat_priv->ap_isolation, 0);
atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
atomic_set(&bat_priv->gw_mode, GW_MODE_OFF);
atomic_set(&bat_priv->vis_mode, BATADV_VIS_TYPE_CLIENT_UPDATE);
atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF);
atomic_set(&bat_priv->gw_sel_class, 20);
atomic_set(&bat_priv->gw_bandwidth, 41);
atomic_set(&bat_priv->orig_interval, 1000);
@ -397,7 +399,7 @@ struct net_device *batadv_softif_create(const char *name)
atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN);
atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
atomic_set(&bat_priv->bcast_seqno, 1);
atomic_set(&bat_priv->ttvn, 0);
atomic_set(&bat_priv->tt_local_changes, 0);
@ -411,8 +413,7 @@ struct net_device *batadv_softif_create(const char *name)
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;
bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM,
__alignof__(uint64_t));
bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t));
if (!bat_priv->bat_counters)
goto unreg_soft_iface;
@ -539,17 +540,17 @@ static void batadv_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats,
uint64_t *data)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct batadv_priv *bat_priv = netdev_priv(dev);
int i;
for (i = 0; i < BAT_CNT_NUM; i++)
for (i = 0; i < BATADV_CNT_NUM; i++)
data[i] = batadv_sum_counter(bat_priv, i);
}
static int batadv_get_sset_count(struct net_device *dev, int stringset)
{
if (stringset == ETH_SS_STATS)
return BAT_CNT_NUM;
return BATADV_CNT_NUM;
return -EOPNOTSUPP;
}

2
net/batman-adv/soft-interface.h
View File

@ -22,7 +22,7 @@
int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb,
struct hard_iface *recv_if, int hdr_size);
struct batadv_hard_iface *recv_if, int hdr_size);
struct net_device *batadv_softif_create(const char *name);
void batadv_softif_destroy(struct net_device *soft_iface);
int batadv_softif_is_valid(const struct net_device *net_dev);

134
net/batman-adv/bat_sysfs.c → net/batman-adv/sysfs.c
View File

@ -18,7 +18,7 @@
*/
#include "main.h"
#include "bat_sysfs.h"
#include "sysfs.h"
#include "translation-table.h"
#include "originator.h"
#include "hard-interface.h"
@ -32,7 +32,7 @@ static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
return to_net_dev(dev);
}
static struct bat_priv *batadv_kobj_to_batpriv(struct kobject *obj)
static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj)
{
struct net_device *net_dev = batadv_kobj_to_netdev(obj);
return netdev_priv(net_dev);
@ -54,7 +54,7 @@ static char *batadv_uev_type_str[] = {
/* Use this, if you have customized show and store functions */
#define BATADV_ATTR(_name, _mode, _show, _store) \
struct bat_attribute batadv_attr_##_name = { \
struct batadv_attribute batadv_attr_##_name = { \
.attr = {.name = __stringify(_name), \
.mode = _mode }, \
.show = _show, \
@ -67,7 +67,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct bat_priv *bat_priv = netdev_priv(net_dev); \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
return __batadv_store_bool_attr(buff, count, _post_func, attr, \
&bat_priv->_name, net_dev); \
}
@ -76,7 +76,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \
{ \
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
return sprintf(buff, "%s\n", \
atomic_read(&bat_priv->_name) == 0 ? \
"disabled" : "enabled"); \
@ -98,7 +98,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct bat_priv *bat_priv = netdev_priv(net_dev); \
struct batadv_priv *bat_priv = netdev_priv(net_dev); \
return __batadv_store_uint_attr(buff, count, _min, _max, \
_post_func, attr, \
&bat_priv->_name, net_dev); \
@ -108,7 +108,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \
{ \
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
} \
@ -128,7 +128,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct hard_iface *hard_iface; \
struct batadv_hard_iface *hard_iface; \
ssize_t length; \
\
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
@ -148,7 +148,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \
{ \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct hard_iface *hard_iface; \
struct batadv_hard_iface *hard_iface; \
ssize_t length; \
\
hard_iface = batadv_hardif_get_by_netdev(net_dev); \
@ -281,12 +281,16 @@ __batadv_store_uint_attr(const char *buff, size_t count,
static ssize_t batadv_show_vis_mode(struct kobject *kobj,
struct attribute *attr, char *buff)
{
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int vis_mode = atomic_read(&bat_priv->vis_mode);
const char *mode;
return sprintf(buff, "%s\n",
vis_mode == VIS_TYPE_CLIENT_UPDATE ?
"client" : "server");
if (vis_mode == BATADV_VIS_TYPE_CLIENT_UPDATE)
mode = "client";
else
mode = "server";
return sprintf(buff, "%s\n", mode);
}
static ssize_t batadv_store_vis_mode(struct kobject *kobj,
@ -294,21 +298,23 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
size_t count)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct batadv_priv *bat_priv = netdev_priv(net_dev);
unsigned long val;
int ret, vis_mode_tmp = -1;
const char *old_mode, *new_mode;
ret = kstrtoul(buff, 10, &val);
if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
if (((count == 2) && (!ret) &&
(val == BATADV_VIS_TYPE_CLIENT_UPDATE)) ||
(strncmp(buff, "client", 6) == 0) ||
(strncmp(buff, "off", 3) == 0))
vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
vis_mode_tmp = BATADV_VIS_TYPE_CLIENT_UPDATE;
if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
if (((count == 2) && (!ret) &&
(val == BATADV_VIS_TYPE_SERVER_SYNC)) ||
(strncmp(buff, "server", 6) == 0))
vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
vis_mode_tmp = BATADV_VIS_TYPE_SERVER_SYNC;
if (vis_mode_tmp < 0) {
if (buff[count - 1] == '\n')
@ -323,12 +329,12 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
return count;
if (atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE)
if (atomic_read(&bat_priv->vis_mode) == BATADV_VIS_TYPE_CLIENT_UPDATE)
old_mode = "client";
else
old_mode = "server";
if (vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE)
if (vis_mode_tmp == BATADV_VIS_TYPE_CLIENT_UPDATE)
new_mode = "client";
else
new_mode = "server";
@ -343,28 +349,28 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
static ssize_t batadv_show_bat_algo(struct kobject *kobj,
struct attribute *attr, char *buff)
{
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name);
}
static void batadv_post_gw_deselect(struct net_device *net_dev)
{
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct batadv_priv *bat_priv = netdev_priv(net_dev);
batadv_gw_deselect(bat_priv);
}
static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int bytes_written;
switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_CLIENT:
case BATADV_GW_MODE_CLIENT:
bytes_written = sprintf(buff, "%s\n",
BATADV_GW_MODE_CLIENT_NAME);
break;
case GW_MODE_SERVER:
case BATADV_GW_MODE_SERVER:
bytes_written = sprintf(buff, "%s\n",
BATADV_GW_MODE_SERVER_NAME);
break;
@ -382,7 +388,7 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
size_t count)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct bat_priv *bat_priv = netdev_priv(net_dev);
struct batadv_priv *bat_priv = netdev_priv(net_dev);
char *curr_gw_mode_str;
int gw_mode_tmp = -1;
@ -391,15 +397,15 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
gw_mode_tmp = GW_MODE_OFF;
gw_mode_tmp = BATADV_GW_MODE_OFF;
if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
gw_mode_tmp = GW_MODE_CLIENT;
gw_mode_tmp = BATADV_GW_MODE_CLIENT;
if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
gw_mode_tmp = GW_MODE_SERVER;
gw_mode_tmp = BATADV_GW_MODE_SERVER;
if (gw_mode_tmp < 0) {
batadv_info(net_dev,
@ -412,10 +418,10 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
return count;
switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_CLIENT:
case BATADV_GW_MODE_CLIENT:
curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
break;
case GW_MODE_SERVER:
case BATADV_GW_MODE_SERVER:
curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
break;
default:
@ -434,7 +440,7 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
struct attribute *attr, char *buff)
{
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int down, up;
int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth);
@ -479,10 +485,10 @@ BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE,
static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth,
batadv_store_gw_bwidth);
#ifdef CONFIG_BATMAN_ADV_DEBUG
BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, DBG_ALL, NULL);
BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL);
#endif
static struct bat_attribute *batadv_mesh_attrs[] = {
static struct batadv_attribute *batadv_mesh_attrs[] = {
&batadv_attr_aggregated_ogms,
&batadv_attr_bonding,
#ifdef CONFIG_BATMAN_ADV_BLA
@ -506,8 +512,8 @@ static struct bat_attribute *batadv_mesh_attrs[] = {
int batadv_sysfs_add_meshif(struct net_device *dev)
{
struct kobject *batif_kobject = &dev->dev.kobj;
struct bat_priv *bat_priv = netdev_priv(dev);
struct bat_attribute **bat_attr;
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_attribute **bat_attr;
int err;
bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR,
@ -543,8 +549,8 @@ out:
void batadv_sysfs_del_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct bat_attribute **bat_attr;
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_attribute **bat_attr;
for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
@ -557,14 +563,20 @@ static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
struct attribute *attr, char *buff)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev);
struct batadv_hard_iface *hard_iface;
ssize_t length;
const char *ifname;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return 0;
length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ?
"none" : hard_iface->soft_iface->name);
if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
ifname = "none";
else
ifname = hard_iface->soft_iface->name;
length = sprintf(buff, "%s\n", ifname);
batadv_hardif_free_ref(hard_iface);
@ -576,10 +588,11 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
size_t count)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev);
struct batadv_hard_iface *hard_iface;
int status_tmp = -1;
int ret = count;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return count;
@ -594,9 +607,9 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
}
if (strncmp(buff, "none", 4) == 0)
status_tmp = IF_NOT_IN_USE;
status_tmp = BATADV_IF_NOT_IN_USE;
else
status_tmp = IF_I_WANT_YOU;
status_tmp = BATADV_IF_I_WANT_YOU;
if (hard_iface->if_status == status_tmp)
goto out;
@ -610,13 +623,13 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
goto out;
}
if (status_tmp == IF_NOT_IN_USE) {
if (status_tmp == BATADV_IF_NOT_IN_USE) {
batadv_hardif_disable_interface(hard_iface);
goto unlock;
}
/* if the interface already is in use */
if (hard_iface->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
batadv_hardif_disable_interface(hard_iface);
ret = batadv_hardif_enable_interface(hard_iface, buff);
@ -632,26 +645,27 @@ static ssize_t batadv_show_iface_status(struct kobject *kobj,
struct attribute *attr, char *buff)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev);
struct batadv_hard_iface *hard_iface;
ssize_t length;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface)
return 0;
switch (hard_iface->if_status) {
case IF_TO_BE_REMOVED:
case BATADV_IF_TO_BE_REMOVED:
length = sprintf(buff, "disabling\n");
break;
case IF_INACTIVE:
case BATADV_IF_INACTIVE:
length = sprintf(buff, "inactive\n");
break;
case IF_ACTIVE:
case BATADV_IF_ACTIVE:
length = sprintf(buff, "active\n");
break;
case IF_TO_BE_ACTIVATED:
case BATADV_IF_TO_BE_ACTIVATED:
length = sprintf(buff, "enabling\n");
break;
case IF_NOT_IN_USE:
case BATADV_IF_NOT_IN_USE:
default:
length = sprintf(buff, "not in use\n");
break;
@ -666,7 +680,7 @@ static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface,
batadv_store_mesh_iface);
static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL);
static struct bat_attribute *batadv_batman_attrs[] = {
static struct batadv_attribute *batadv_batman_attrs[] = {
&batadv_attr_mesh_iface,
&batadv_attr_iface_status,
NULL,
@ -675,7 +689,7 @@ static struct bat_attribute *batadv_batman_attrs[] = {
int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
{
struct kobject *hardif_kobject = &dev->dev.kobj;
struct bat_attribute **bat_attr;
struct batadv_attribute **bat_attr;
int err;
*hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR,
@ -712,11 +726,11 @@ void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
*hardif_obj = NULL;
}
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data)
int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
enum batadv_uev_action action, const char *data)
{
int ret = -ENOMEM;
struct hard_iface *primary_if = NULL;
struct batadv_hard_iface *primary_if = NULL;
struct kobject *bat_kobj;
char *uevent_env[4] = { NULL, NULL, NULL, NULL };
@ -745,7 +759,7 @@ int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
batadv_uev_action_str[action]);
/* If the event is DEL, ignore the data field */
if (action != UEV_DEL) {
if (action != BATADV_UEV_DEL) {
uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) +
strlen(data) + 1, GFP_ATOMIC);
if (!uevent_env[2])
@ -764,10 +778,10 @@ out:
batadv_hardif_free_ref(primary_if);
if (ret)
batadv_dbg(DBG_BATMAN, bat_priv,
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
batadv_uev_type_str[type],
batadv_uev_action_str[action],
(action == UEV_DEL ? "NULL" : data), ret);
(action == BATADV_UEV_DEL ? "NULL" : data), ret);
return ret;
}

6
net/batman-adv/bat_sysfs.h → net/batman-adv/sysfs.h
View File

@ -23,7 +23,7 @@
#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
struct bat_attribute {
struct batadv_attribute {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
char *buf);
@ -36,7 +36,7 @@ void batadv_sysfs_del_meshif(struct net_device *dev);
int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
struct net_device *dev);
void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
enum uev_action action, const char *data);
int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
enum batadv_uev_action action, const char *data);
#endif /* _NET_BATMAN_ADV_SYSFS_H_ */

808
net/batman-adv/translation-table.c
View File

File diff suppressed because it is too large Load Diff

43
net/batman-adv/translation-table.h
View File

@ -21,42 +21,43 @@
#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
int batadv_tt_len(int changes_num);
int batadv_tt_init(struct bat_priv *bat_priv);
int batadv_tt_init(struct batadv_priv *bat_priv);
void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
int ifindex);
void batadv_tt_local_remove(struct bat_priv *bat_priv,
void batadv_tt_local_remove(struct batadv_priv *bat_priv,
const uint8_t *addr, const char *message,
bool roaming);
int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_add_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node,
void batadv_tt_global_add_orig(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const unsigned char *tt_buff, int tt_buff_len);
int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
int batadv_tt_global_add(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const unsigned char *addr, uint8_t flags,
uint8_t ttvn);
int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_del_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node,
void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const char *message);
struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv,
const uint8_t *src,
const uint8_t *addr);
void batadv_tt_free(struct bat_priv *bat_priv);
bool batadv_send_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_request);
bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr);
void batadv_handle_tt_response(struct bat_priv *bat_priv,
struct tt_query_packet *tt_response);
bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src,
struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
const uint8_t *src,
const uint8_t *addr);
void batadv_tt_free(struct batadv_priv *bat_priv);
bool batadv_send_tt_response(struct batadv_priv *bat_priv,
struct batadv_tt_query_packet *tt_request);
bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
void batadv_handle_tt_response(struct batadv_priv *bat_priv,
struct batadv_tt_query_packet *tt_response);
bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
uint8_t *dst);
void batadv_tt_update_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node,
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);
int batadv_tt_append_diff(struct bat_priv *bat_priv,
int batadv_tt_append_diff(struct batadv_priv *bat_priv,
unsigned char **packet_buff, int *packet_buff_len,
int packet_min_len);
bool batadv_tt_global_client_is_roaming(struct bat_priv *bat_priv,
bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
uint8_t *addr);

154
net/batman-adv/types.h
View File

@ -25,10 +25,10 @@
#include <linux/kernel.h>
#define BATADV_HEADER_LEN \
(ETH_HLEN + max(sizeof(struct unicast_packet), \
sizeof(struct bcast_packet)))
(ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \
sizeof(struct batadv_bcast_packet)))
struct hard_iface {
struct batadv_hard_iface {
struct list_head list;
int16_t if_num;
char if_status;
@ -44,7 +44,7 @@ struct hard_iface {
struct rcu_head rcu;
};
/* orig_node - structure for orig_list maintaining nodes of mesh
/* batadv_orig_node - structure for orig_list maintaining nodes of mesh
* @primary_addr: hosts primary interface address
* @last_seen: when last packet from this node was received
* @bcast_seqno_reset: time when the broadcast seqno window was reset
@ -58,10 +58,10 @@ struct hard_iface {
* @candidates: how many candidates are available
* @selected: next bonding candidate
*/
struct orig_node {
struct batadv_orig_node {
uint8_t orig[ETH_ALEN];
uint8_t primary_addr[ETH_ALEN];
struct neigh_node __rcu *router; /* rcu protected pointer */
struct batadv_neigh_node __rcu *router; /* rcu protected pointer */
unsigned long *bcast_own;
uint8_t *bcast_own_sum;
unsigned long last_seen;
@ -93,7 +93,7 @@ struct orig_node {
atomic_t refcount;
struct rcu_head rcu;
struct hlist_node hash_entry;
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
unsigned long last_frag_packet;
/* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
* neigh_node->real_bits, neigh_node->real_packet_count
@ -106,18 +106,18 @@ struct orig_node {
struct list_head bond_list;
};
struct gw_node {
struct batadv_gw_node {
struct hlist_node list;
struct orig_node *orig_node;
struct batadv_orig_node *orig_node;
unsigned long deleted;
atomic_t refcount;
struct rcu_head rcu;
};
/* neigh_node
/* batadv_neigh_node
* @last_seen: when last packet via this neighbor was received
*/
struct neigh_node {
struct batadv_neigh_node {
struct hlist_node list;
uint8_t addr[ETH_ALEN];
uint8_t real_packet_count;
@ -130,36 +130,36 @@ struct neigh_node {
DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
atomic_t refcount;
struct rcu_head rcu;
struct orig_node *orig_node;
struct hard_iface *if_incoming;
struct batadv_orig_node *orig_node;
struct batadv_hard_iface *if_incoming;
spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */
};
#ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry {
struct batadv_bcast_duplist_entry {
uint8_t orig[ETH_ALEN];
uint16_t crc;
unsigned long entrytime;
};
#endif
enum bat_counters {
BAT_CNT_FORWARD,
BAT_CNT_FORWARD_BYTES,
BAT_CNT_MGMT_TX,
BAT_CNT_MGMT_TX_BYTES,
BAT_CNT_MGMT_RX,
BAT_CNT_MGMT_RX_BYTES,
BAT_CNT_TT_REQUEST_TX,
BAT_CNT_TT_REQUEST_RX,
BAT_CNT_TT_RESPONSE_TX,
BAT_CNT_TT_RESPONSE_RX,
BAT_CNT_TT_ROAM_ADV_TX,
BAT_CNT_TT_ROAM_ADV_RX,
BAT_CNT_NUM,
enum batadv_counters {
BATADV_CNT_FORWARD,
BATADV_CNT_FORWARD_BYTES,
BATADV_CNT_MGMT_TX,
BATADV_CNT_MGMT_TX_BYTES,
BATADV_CNT_MGMT_RX,
BATADV_CNT_MGMT_RX_BYTES,
BATADV_CNT_TT_REQUEST_TX,
BATADV_CNT_TT_REQUEST_RX,
BATADV_CNT_TT_RESPONSE_TX,
BATADV_CNT_TT_RESPONSE_RX,
BATADV_CNT_TT_ROAM_ADV_TX,
BATADV_CNT_TT_ROAM_ADV_RX,
BATADV_CNT_NUM,
};
struct bat_priv {
struct batadv_priv {
atomic_t mesh_state;
struct net_device_stats stats;
uint64_t __percpu *bat_counters; /* Per cpu counters */
@ -190,7 +190,7 @@ struct bat_priv {
*/
bool tt_poss_change;
char num_ifaces;
struct debug_log *debug_log;
struct batadv_debug_log *debug_log;
struct kobject *mesh_obj;
struct dentry *debug_dir;
struct hlist_head forw_bat_list;
@ -198,20 +198,20 @@ struct bat_priv {
struct hlist_head gw_list;
struct list_head tt_changes_list; /* tracks changes in a OGM int */
struct list_head vis_send_list;
struct hashtable_t *orig_hash;
struct hashtable_t *tt_local_hash;
struct hashtable_t *tt_global_hash;
struct batadv_hashtable *orig_hash;
struct batadv_hashtable *tt_local_hash;
struct batadv_hashtable *tt_global_hash;
#ifdef CONFIG_BATMAN_ADV_BLA
struct hashtable_t *claim_hash;
struct hashtable_t *backbone_hash;
struct batadv_hashtable *claim_hash;
struct batadv_hashtable *backbone_hash;
#endif
struct list_head tt_req_list; /* list of pending tt_requests */
struct list_head tt_roam_list;
struct hashtable_t *vis_hash;
struct batadv_hashtable *vis_hash;
#ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
int bcast_duplist_curr;
struct bla_claim_dst claim_dest;
struct batadv_bla_claim_dst claim_dest;
#endif
spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
spinlock_t forw_bcast_list_lock; /* protects */
@ -231,29 +231,29 @@ struct bat_priv {
struct delayed_work orig_work;
struct delayed_work vis_work;
struct delayed_work bla_work;
struct gw_node __rcu *curr_gw; /* rcu protected pointer */
struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */
atomic_t gw_reselect;
struct hard_iface __rcu *primary_if; /* rcu protected pointer */
struct vis_info *my_vis_info;
struct bat_algo_ops *bat_algo_ops;
struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */
struct batadv_vis_info *my_vis_info;
struct batadv_algo_ops *bat_algo_ops;
};
struct socket_client {
struct batadv_socket_client {
struct list_head queue_list;
unsigned int queue_len;
unsigned char index;
spinlock_t lock; /* protects queue_list, queue_len, index */
wait_queue_head_t queue_wait;
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
};
struct socket_packet {
struct batadv_socket_packet {
struct list_head list;
size_t icmp_len;
struct icmp_packet_rr icmp_packet;
struct batadv_icmp_packet_rr icmp_packet;
};
struct tt_common_entry {
struct batadv_tt_common_entry {
uint8_t addr[ETH_ALEN];
struct hlist_node hash_entry;
uint16_t flags;
@ -261,31 +261,31 @@ struct tt_common_entry {
struct rcu_head rcu;
};
struct tt_local_entry {
struct tt_common_entry common;
struct batadv_tt_local_entry {
struct batadv_tt_common_entry common;
unsigned long last_seen;
};
struct tt_global_entry {
struct tt_common_entry common;
struct batadv_tt_global_entry {
struct batadv_tt_common_entry common;
struct hlist_head orig_list;
spinlock_t list_lock; /* protects the list */
unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
};
struct tt_orig_list_entry {
struct orig_node *orig_node;
struct batadv_tt_orig_list_entry {
struct batadv_orig_node *orig_node;
uint8_t ttvn;
struct rcu_head rcu;
struct hlist_node list;
};
#ifdef CONFIG_BATMAN_ADV_BLA
struct backbone_gw {
struct batadv_backbone_gw {
uint8_t orig[ETH_ALEN];
short vid; /* used VLAN ID */
struct hlist_node hash_entry;
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
unsigned long lasttime; /* last time we heard of this backbone gw */
atomic_t request_sent;
atomic_t refcount;
@ -293,10 +293,10 @@ struct backbone_gw {
uint16_t crc; /* crc checksum over all claims */
};
struct claim {
struct batadv_claim {
uint8_t addr[ETH_ALEN];
short vid;
struct backbone_gw *backbone_gw;
struct batadv_backbone_gw *backbone_gw;
unsigned long lasttime; /* last time we heard of claim (locals only) */
struct rcu_head rcu;
atomic_t refcount;
@ -304,18 +304,18 @@ struct claim {
};
#endif
struct tt_change_node {
struct batadv_tt_change_node {
struct list_head list;
struct tt_change change;
struct batadv_tt_change change;
};
struct tt_req_node {
struct batadv_tt_req_node {
uint8_t addr[ETH_ALEN];
unsigned long issued_at;
struct list_head list;
};
struct tt_roam_node {
struct batadv_tt_roam_node {
uint8_t addr[ETH_ALEN];
atomic_t counter;
unsigned long first_time;
@ -325,7 +325,7 @@ struct tt_roam_node {
/* forw_packet - structure for forw_list maintaining packets to be
* send/forwarded
*/
struct forw_packet {
struct batadv_forw_packet {
struct hlist_node list;
unsigned long send_time;
uint8_t own;
@ -334,20 +334,20 @@ struct forw_packet {
uint32_t direct_link_flags;
uint8_t num_packets;
struct delayed_work delayed_work;
struct hard_iface *if_incoming;
struct batadv_hard_iface *if_incoming;
};
/* While scanning for vis-entries of a particular vis-originator
* this list collects its interfaces to create a subgraph/cluster
* out of them later
*/
struct if_list_entry {
struct batadv_if_list_entry {
uint8_t addr[ETH_ALEN];
bool primary;
struct hlist_node list;
};
struct debug_log {
struct batadv_debug_log {
char log_buff[BATADV_LOG_BUF_LEN];
unsigned long log_start;
unsigned long log_end;
@ -355,13 +355,13 @@ struct debug_log {
wait_queue_head_t queue_wait;
};
struct frag_packet_list_entry {
struct batadv_frag_packet_list_entry {
struct list_head list;
uint16_t seqno;
struct sk_buff *skb;
};
struct vis_info {
struct batadv_vis_info {
unsigned long first_seen;
/* list of server-neighbors we received a vis-packet
* from. we should not reply to them.
@ -370,40 +370,40 @@ struct vis_info {
struct list_head send_list;
struct kref refcount;
struct hlist_node hash_entry;
struct bat_priv *bat_priv;
struct batadv_priv *bat_priv;
/* this packet might be part of the vis send queue. */
struct sk_buff *skb_packet;
/* vis_info may follow here */
} __packed;
struct vis_info_entry {
struct batadv_vis_info_entry {
uint8_t src[ETH_ALEN];
uint8_t dest[ETH_ALEN];
uint8_t quality; /* quality = 0 client */
} __packed;
struct recvlist_node {
struct batadv_recvlist_node {
struct list_head list;
uint8_t mac[ETH_ALEN];
};
struct bat_algo_ops {
struct batadv_algo_ops {
struct hlist_node list;
char *name;
/* init routing info when hard-interface is enabled */
int (*bat_iface_enable)(struct hard_iface *hard_iface);
int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface);
/* de-init routing info when hard-interface is disabled */
void (*bat_iface_disable)(struct hard_iface *hard_iface);
void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface);
/* (re-)init mac addresses of the protocol information
* belonging to this hard-interface
*/
void (*bat_iface_update_mac)(struct hard_iface *hard_iface);
void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface);
/* called when primary interface is selected / changed */
void (*bat_primary_iface_set)(struct hard_iface *hard_iface);
void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface);
/* prepare a new outgoing OGM for the send queue */
void (*bat_ogm_schedule)(struct hard_iface *hard_iface);
void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface);
/* send scheduled OGM */
void (*bat_ogm_emit)(struct forw_packet *forw_packet);
void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet);
};
#endif /* _NET_BATMAN_ADV_TYPES_H_ */

95
net/batman-adv/unicast.c
View File

@ -31,18 +31,18 @@
static struct sk_buff *
batadv_frag_merge_packet(struct list_head *head,
struct frag_packet_list_entry *tfp,
struct batadv_frag_packet_list_entry *tfp,
struct sk_buff *skb)
{
struct unicast_frag_packet *up =
(struct unicast_frag_packet *)skb->data;
struct batadv_unicast_frag_packet *up;
struct sk_buff *tmp_skb;
struct unicast_packet *unicast_packet;
struct batadv_unicast_packet *unicast_packet;
int hdr_len = sizeof(*unicast_packet);
int uni_diff = sizeof(*up) - hdr_len;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* set skb to the first part and tmp_skb to the second part */
if (up->flags & UNI_FRAG_HEAD) {
if (up->flags & BATADV_UNI_FRAG_HEAD) {
tmp_skb = tfp->skb;
} else {
tmp_skb = skb;
@ -65,8 +65,9 @@ batadv_frag_merge_packet(struct list_head *head,
kfree_skb(tmp_skb);
memmove(skb->data + uni_diff, skb->data, hdr_len);
unicast_packet = (struct unicast_packet *)skb_pull(skb, uni_diff);
unicast_packet->header.packet_type = BAT_UNICAST;
unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb,
uni_diff);
unicast_packet->header.packet_type = BATADV_UNICAST;
return skb;
@ -79,9 +80,10 @@ err:
static void batadv_frag_create_entry(struct list_head *head,
struct sk_buff *skb)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *up =
(struct unicast_frag_packet *)skb->data;
struct batadv_frag_packet_list_entry *tfp;
struct batadv_unicast_frag_packet *up;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* free and oldest packets stand at the end */
tfp = list_entry((head)->prev, typeof(*tfp), list);
@ -96,7 +98,7 @@ static void batadv_frag_create_entry(struct list_head *head,
static int batadv_frag_create_buffer(struct list_head *head)
{
int i;
struct frag_packet_list_entry *tfp;
struct batadv_frag_packet_list_entry *tfp;
for (i = 0; i < BATADV_FRAG_BUFFER_SIZE; i++) {
tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
@ -113,15 +115,15 @@ static int batadv_frag_create_buffer(struct list_head *head)
return 0;
}
static struct frag_packet_list_entry *
static struct batadv_frag_packet_list_entry *
batadv_frag_search_packet(struct list_head *head,
const struct unicast_frag_packet *up)
const struct batadv_unicast_frag_packet *up)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *tmp_up = NULL;
struct batadv_frag_packet_list_entry *tfp;
struct batadv_unicast_frag_packet *tmp_up = NULL;
uint16_t search_seqno;
if (up->flags & UNI_FRAG_HEAD)
if (up->flags & BATADV_UNI_FRAG_HEAD)
search_seqno = ntohs(up->seqno)+1;
else
search_seqno = ntohs(up->seqno)-1;
@ -134,12 +136,12 @@ batadv_frag_search_packet(struct list_head *head,
if (tfp->seqno == ntohs(up->seqno))
goto mov_tail;
tmp_up = (struct unicast_frag_packet *)tfp->skb->data;
tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
if (tfp->seqno == search_seqno) {
if ((tmp_up->flags & UNI_FRAG_HEAD) !=
(up->flags & UNI_FRAG_HEAD))
if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) !=
(up->flags & BATADV_UNI_FRAG_HEAD))
return tfp;
else
goto mov_tail;
@ -154,7 +156,7 @@ mov_tail:
void batadv_frag_list_free(struct list_head *head)
{
struct frag_packet_list_entry *pf, *tmp_pf;
struct batadv_frag_packet_list_entry *pf, *tmp_pf;
if (!list_empty(head)) {
@ -173,15 +175,16 @@ void batadv_frag_list_free(struct list_head *head)
* or the skb could be reassembled (skb_new will point to the new packet and
* skb was freed)
*/
int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
int batadv_frag_reassemble_skb(struct sk_buff *skb,
struct batadv_priv *bat_priv,
struct sk_buff **new_skb)
{
struct orig_node *orig_node;
struct frag_packet_list_entry *tmp_frag_entry;
struct batadv_orig_node *orig_node;
struct batadv_frag_packet_list_entry *tmp_frag_entry;
int ret = NET_RX_DROP;
struct unicast_frag_packet *unicast_packet =
(struct unicast_frag_packet *)skb->data;
struct batadv_unicast_frag_packet *unicast_packet;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
*new_skb = NULL;
orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig);
@ -217,13 +220,14 @@ out:
return ret;
}
int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct hard_iface *hard_iface, const uint8_t dstaddr[])
int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
struct batadv_hard_iface *hard_iface,
const uint8_t dstaddr[])
{
struct unicast_packet tmp_uc, *unicast_packet;
struct hard_iface *primary_if;
struct batadv_unicast_packet tmp_uc, *unicast_packet;
struct batadv_hard_iface *primary_if;
struct sk_buff *frag_skb;
struct unicast_frag_packet *frag1, *frag2;
struct batadv_unicast_frag_packet *frag1, *frag2;
int uc_hdr_len = sizeof(*unicast_packet);
int ucf_hdr_len = sizeof(*frag1);
int data_len = skb->len - uc_hdr_len;
@ -239,7 +243,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
goto dropped;
skb_reserve(frag_skb, ucf_hdr_len);
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
memcpy(&tmp_uc, unicast_packet, uc_hdr_len);
skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len);
@ -247,22 +251,22 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0)
goto drop_frag;
frag1 = (struct unicast_frag_packet *)skb->data;
frag2 = (struct unicast_frag_packet *)frag_skb->data;
frag1 = (struct batadv_unicast_frag_packet *)skb->data;
frag2 = (struct batadv_unicast_frag_packet *)frag_skb->data;
memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
frag1->header.ttl--;
frag1->header.version = BATADV_COMPAT_VERSION;
frag1->header.packet_type = BAT_UNICAST_FRAG;
frag1->header.packet_type = BATADV_UNICAST_FRAG;
memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(frag2, frag1, sizeof(*frag2));
if (data_len & 1)
large_tail = UNI_FRAG_LARGETAIL;
large_tail = BATADV_UNI_FRAG_LARGETAIL;
frag1->flags = UNI_FRAG_HEAD | large_tail;
frag1->flags = BATADV_UNI_FRAG_HEAD | large_tail;
frag2->flags = large_tail;
seqno = atomic_add_return(2, &hard_iface->frag_seqno);
@ -284,14 +288,15 @@ out:
return ret;
}
int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct unicast_packet *unicast_packet;
struct orig_node *orig_node;
struct neigh_node *neigh_node;
struct batadv_unicast_packet *unicast_packet;
struct batadv_orig_node *orig_node;
struct batadv_neigh_node *neigh_node;
int data_len = skb->len;
int ret = 1;
unsigned int dev_mtu;
/* get routing information */
if (is_multicast_ether_addr(ethhdr->h_dest)) {
@ -305,23 +310,25 @@ int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
*/
orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
ethhdr->h_dest);
find_router:
/* find_router():
* - if orig_node is NULL it returns NULL
* - increases neigh_nodes refcount if found.
*/
neigh_node = batadv_find_router(bat_priv, orig_node, NULL);
if (!neigh_node)
goto out;
if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
unicast_packet->header.version = BATADV_COMPAT_VERSION;
/* batman packet type: unicast */
unicast_packet->header.packet_type = BAT_UNICAST;
unicast_packet->header.packet_type = BATADV_UNICAST;
/* set unicast ttl */
unicast_packet->header.ttl = BATADV_TTL;
/* copy the destination for faster routing */
@ -338,9 +345,9 @@ find_router:
if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
unicast_packet->ttvn = unicast_packet->ttvn - 1;
dev_mtu = neigh_node->if_incoming->net_dev->mtu;
if (atomic_read(&bat_priv->fragmentation) &&
data_len + sizeof(*unicast_packet) >
neigh_node->if_incoming->net_dev->mtu) {
data_len + sizeof(*unicast_packet) > dev_mtu) {
/* send frag skb decreases ttl */
unicast_packet->header.ttl++;
ret = batadv_frag_send_skb(skb, bat_priv,

19
net/batman-adv/unicast.h
View File

@ -25,31 +25,32 @@
#define BATADV_FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */
#define BATADV_FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */
int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
int batadv_frag_reassemble_skb(struct sk_buff *skb,
struct batadv_priv *bat_priv,
struct sk_buff **new_skb);
void batadv_frag_list_free(struct list_head *head);
int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct hard_iface *hard_iface,
int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv);
int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
struct batadv_hard_iface *hard_iface,
const uint8_t dstaddr[]);
static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu)
{
const struct unicast_frag_packet *unicast_packet;
const struct batadv_unicast_frag_packet *unicast_packet;
int uneven_correction = 0;
unsigned int merged_size;
unicast_packet = (struct unicast_frag_packet *)skb->data;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
if (unicast_packet->flags & UNI_FRAG_LARGETAIL) {
if (unicast_packet->flags & UNI_FRAG_HEAD)
if (unicast_packet->flags & BATADV_UNI_FRAG_LARGETAIL) {
if (unicast_packet->flags & BATADV_UNI_FRAG_HEAD)
uneven_correction = 1;
else
uneven_correction = -1;
}
merged_size = (skb->len - sizeof(*unicast_packet)) * 2;
merged_size += sizeof(struct unicast_packet) + uneven_correction;
merged_size += sizeof(struct batadv_unicast_packet) + uneven_correction;
return merged_size <= mtu;
}

284
net/batman-adv/vis.c
View File

@ -28,14 +28,17 @@
#define BATADV_MAX_VIS_PACKET_SIZE 1000
static void batadv_start_vis_timer(struct bat_priv *bat_priv);
static void batadv_start_vis_timer(struct batadv_priv *bat_priv);
/* free the info */
static void batadv_free_info(struct kref *ref)
{
struct vis_info *info = container_of(ref, struct vis_info, refcount);
struct bat_priv *bat_priv = info->bat_priv;
struct recvlist_node *entry, *tmp;
struct batadv_vis_info *info;
struct batadv_priv *bat_priv;
struct batadv_recvlist_node *entry, *tmp;
info = container_of(ref, struct batadv_vis_info, refcount);
bat_priv = info->bat_priv;
list_del_init(&info->send_list);
spin_lock_bh(&bat_priv->vis_list_lock);
@ -52,13 +55,13 @@ static void batadv_free_info(struct kref *ref)
/* Compare two vis packets, used by the hashing algorithm */
static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
{
const struct vis_info *d1, *d2;
const struct vis_packet *p1, *p2;
const struct batadv_vis_info *d1, *d2;
const struct batadv_vis_packet *p1, *p2;
d1 = container_of(node, struct vis_info, hash_entry);
d1 = container_of(node, struct batadv_vis_info, hash_entry);
d2 = data2;
p1 = (struct vis_packet *)d1->skb_packet->data;
p2 = (struct vis_packet *)d2->skb_packet->data;
p1 = (struct batadv_vis_packet *)d1->skb_packet->data;
p2 = (struct batadv_vis_packet *)d2->skb_packet->data;
return batadv_compare_eth(p1->vis_orig, p2->vis_orig);
}
@ -67,13 +70,13 @@ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
*/
static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
{
const struct vis_info *vis_info = data;
const struct vis_packet *packet;
const struct batadv_vis_info *vis_info = data;
const struct batadv_vis_packet *packet;
const unsigned char *key;
uint32_t hash = 0;
size_t i;
packet = (struct vis_packet *)vis_info->skb_packet->data;
packet = (struct batadv_vis_packet *)vis_info->skb_packet->data;
key = packet->vis_orig;
for (i = 0; i < ETH_ALEN; i++) {
hash += key[i];
@ -88,13 +91,13 @@ static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
return hash % size;
}
static struct vis_info *batadv_vis_hash_find(struct bat_priv *bat_priv,
const void *data)
static struct batadv_vis_info *
batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data)
{
struct hashtable_t *hash = bat_priv->vis_hash;
struct batadv_hashtable *hash = bat_priv->vis_hash;
struct hlist_head *head;
struct hlist_node *node;
struct vis_info *vis_info, *vis_info_tmp = NULL;
struct batadv_vis_info *vis_info, *vis_info_tmp = NULL;
uint32_t index;
if (!hash)
@ -123,7 +126,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface,
struct hlist_head *if_list,
bool primary)
{
struct if_list_entry *entry;
struct batadv_if_list_entry *entry;
struct hlist_node *pos;
hlist_for_each_entry(entry, pos, if_list, list) {
@ -143,7 +146,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface,
static void batadv_vis_data_read_prim_sec(struct seq_file *seq,
const struct hlist_head *if_list)
{
struct if_list_entry *entry;
struct batadv_if_list_entry *entry;
struct hlist_node *pos;
hlist_for_each_entry(entry, pos, if_list, list) {
@ -155,9 +158,10 @@ static void batadv_vis_data_read_prim_sec(struct seq_file *seq,
}
/* read an entry */
static ssize_t batadv_vis_data_read_entry(struct seq_file *seq,
const struct vis_info_entry *entry,
const uint8_t *src, bool primary)
static ssize_t
batadv_vis_data_read_entry(struct seq_file *seq,
const struct batadv_vis_info_entry *entry,
const uint8_t *src, bool primary)
{
if (primary && entry->quality == 0)
return seq_printf(seq, "TT %pM, ", entry->dest);
@ -168,9 +172,10 @@ static ssize_t batadv_vis_data_read_entry(struct seq_file *seq,
return 0;
}
static void batadv_vis_data_insert_interfaces(struct hlist_head *list,
struct vis_packet *packet,
struct vis_info_entry *entries)
static void
batadv_vis_data_insert_interfaces(struct hlist_head *list,
struct batadv_vis_packet *packet,
struct batadv_vis_info_entry *entries)
{
int i;
@ -187,11 +192,11 @@ static void batadv_vis_data_insert_interfaces(struct hlist_head *list,
static void batadv_vis_data_read_entries(struct seq_file *seq,
struct hlist_head *list,
struct vis_packet *packet,
struct vis_info_entry *entries)
struct batadv_vis_packet *packet,
struct batadv_vis_info_entry *entries)
{
int i;
struct if_list_entry *entry;
struct batadv_if_list_entry *entry;
struct hlist_node *pos;
hlist_for_each_entry(entry, pos, list, list) {
@ -213,19 +218,19 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
const struct hlist_head *head)
{
struct hlist_node *node;
struct vis_info *info;
struct vis_packet *packet;
struct batadv_vis_info *info;
struct batadv_vis_packet *packet;
uint8_t *entries_pos;
struct vis_info_entry *entries;
struct if_list_entry *entry;
struct batadv_vis_info_entry *entries;
struct batadv_if_list_entry *entry;
struct hlist_node *pos, *n;
HLIST_HEAD(vis_if_list);
hlist_for_each_entry_rcu(info, node, head, hash_entry) {
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
entries_pos = (uint8_t *)packet + sizeof(*packet);
entries = (struct vis_info_entry *)entries_pos;
entries = (struct batadv_vis_info_entry *)entries_pos;
batadv_vis_data_insert_interface(packet->vis_orig, &vis_if_list,
true);
@ -243,11 +248,11 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
{
struct hard_iface *primary_if;
struct batadv_hard_iface *primary_if;
struct hlist_head *head;
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->vis_hash;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct batadv_hashtable *hash = bat_priv->vis_hash;
uint32_t i;
int ret = 0;
int vis_server = atomic_read(&bat_priv->vis_mode);
@ -256,7 +261,7 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
if (!primary_if)
goto out;
if (vis_server == VIS_TYPE_CLIENT_UPDATE)
if (vis_server == BATADV_VIS_TYPE_CLIENT_UPDATE)
goto out;
spin_lock_bh(&bat_priv->vis_hash_lock);
@ -275,8 +280,8 @@ out:
/* add the info packet to the send list, if it was not
* already linked in.
*/
static void batadv_send_list_add(struct bat_priv *bat_priv,
struct vis_info *info)
static void batadv_send_list_add(struct batadv_priv *bat_priv,
struct batadv_vis_info *info)
{
if (list_empty(&info->send_list)) {
kref_get(&info->refcount);
@ -287,7 +292,7 @@ static void batadv_send_list_add(struct bat_priv *bat_priv,
/* delete the info packet from the send list, if it was
* linked in.
*/
static void batadv_send_list_del(struct vis_info *info)
static void batadv_send_list_del(struct batadv_vis_info *info)
{
if (!list_empty(&info->send_list)) {
list_del_init(&info->send_list);
@ -296,10 +301,10 @@ static void batadv_send_list_del(struct vis_info *info)
}
/* tries to add one entry to the receive list. */
static void batadv_recv_list_add(struct bat_priv *bat_priv,
static void batadv_recv_list_add(struct batadv_priv *bat_priv,
struct list_head *recv_list, const char *mac)
{
struct recvlist_node *entry;
struct batadv_recvlist_node *entry;
entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
@ -312,11 +317,11 @@ static void batadv_recv_list_add(struct bat_priv *bat_priv,
}
/* returns 1 if this mac is in the recv_list */
static int batadv_recv_list_is_in(struct bat_priv *bat_priv,
static int batadv_recv_list_is_in(struct batadv_priv *bat_priv,
const struct list_head *recv_list,
const char *mac)
{
const struct recvlist_node *entry;
const struct batadv_recvlist_node *entry;
spin_lock_bh(&bat_priv->vis_list_lock);
list_for_each_entry(entry, recv_list, list) {
@ -333,16 +338,19 @@ static int batadv_recv_list_is_in(struct bat_priv *bat_priv,
* broken.. ). vis hash must be locked outside. is_new is set when the packet
* is newer than old entries in the hash.
*/
static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
int vis_info_len, int *is_new,
int make_broadcast)
static struct batadv_vis_info *
batadv_add_packet(struct batadv_priv *bat_priv,
struct batadv_vis_packet *vis_packet, int vis_info_len,
int *is_new, int make_broadcast)
{
struct vis_info *info, *old_info;
struct vis_packet *search_packet, *old_packet;
struct vis_info search_elem;
struct vis_packet *packet;
struct batadv_vis_info *info, *old_info;
struct batadv_vis_packet *search_packet, *old_packet;
struct batadv_vis_info search_elem;
struct batadv_vis_packet *packet;
struct sk_buff *tmp_skb;
int hash_added;
size_t len;
size_t max_entries;
*is_new = 0;
/* sanity check */
@ -353,15 +361,17 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet));
if (!search_elem.skb_packet)
return NULL;
search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet,
sizeof(*search_packet));
len = sizeof(*search_packet);
tmp_skb = search_elem.skb_packet;
search_packet = (struct batadv_vis_packet *)skb_put(tmp_skb, len);
memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
old_info = batadv_vis_hash_find(bat_priv, &search_elem);
kfree_skb(search_elem.skb_packet);
if (old_info) {
old_packet = (struct vis_packet *)old_info->skb_packet->data;
tmp_skb = old_info->skb_packet;
old_packet = (struct batadv_vis_packet *)tmp_skb->data;
if (!batadv_seq_after(ntohl(vis_packet->seqno),
ntohl(old_packet->seqno))) {
if (old_packet->seqno == vis_packet->seqno) {
@ -385,22 +395,21 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
if (!info)
return NULL;
info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len +
ETH_HLEN);
len = sizeof(*packet) + vis_info_len;
info->skb_packet = dev_alloc_skb(len + ETH_HLEN);
if (!info->skb_packet) {
kfree(info);
return NULL;
}
skb_reserve(info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet)
+ vis_info_len);
packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len);
kref_init(&info->refcount);
INIT_LIST_HEAD(&info->send_list);
INIT_LIST_HEAD(&info->recv_list);
info->first_seen = jiffies;
info->bat_priv = bat_priv;
memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len);
memcpy(packet, vis_packet, len);
/* initialize and add new packet. */
*is_new = 1;
@ -410,8 +419,9 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN);
/* repair if entries is longer than packet. */
if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len)
packet->entries = vis_info_len / sizeof(struct vis_info_entry);
max_entries = vis_info_len / sizeof(struct batadv_vis_info_entry);
if (packet->entries > max_entries)
packet->entries = max_entries;
batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig);
@ -429,15 +439,15 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
}
/* handle the server sync packet, forward if needed. */
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv,
struct batadv_vis_packet *vis_packet,
int vis_info_len)
{
struct vis_info *info;
struct batadv_vis_info *info;
int is_new, make_broadcast;
int vis_server = atomic_read(&bat_priv->vis_mode);
make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC);
make_broadcast = (vis_server == BATADV_VIS_TYPE_SERVER_SYNC);
spin_lock_bh(&bat_priv->vis_hash_lock);
info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
@ -448,19 +458,19 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
/* only if we are server ourselves and packet is newer than the one in
* hash.
*/
if (vis_server == VIS_TYPE_SERVER_SYNC && is_new)
if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC && is_new)
batadv_send_list_add(bat_priv, info);
end:
spin_unlock_bh(&bat_priv->vis_hash_lock);
}
/* handle an incoming client update packet and schedule forward if needed. */
void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
struct batadv_vis_packet *vis_packet,
int vis_info_len)
{
struct vis_info *info;
struct vis_packet *packet;
struct batadv_vis_info *info;
struct batadv_vis_packet *packet;
int is_new;
int vis_server = atomic_read(&bat_priv->vis_mode);
int are_target = 0;
@ -470,7 +480,7 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
return;
/* Are we the target for this VIS packet? */
if (vis_server == VIS_TYPE_SERVER_SYNC &&
if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC &&
batadv_is_my_mac(vis_packet->target_orig))
are_target = 1;
@ -482,11 +492,11 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
goto end;
/* note that outdated packets will be dropped at this point. */
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send only if we're the target server or ... */
if (are_target && is_new) {
packet->vis_type = VIS_TYPE_SERVER_SYNC; /* upgrade! */
packet->vis_type = BATADV_VIS_TYPE_SERVER_SYNC; /* upgrade! */
batadv_send_list_add(bat_priv, info);
/* ... we're not the recipient (and thus need to forward). */
@ -503,19 +513,19 @@ end:
*
* Must be called with the originator hash locked
*/
static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
struct vis_info *info)
static int batadv_find_best_vis_server(struct batadv_priv *bat_priv,
struct batadv_vis_info *info)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct neigh_node *router;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct batadv_neigh_node *router;
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct vis_packet *packet;
struct batadv_orig_node *orig_node;
struct batadv_vis_packet *packet;
int best_tq = -1;
uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
@ -526,7 +536,7 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
if (!router)
continue;
if ((orig_node->flags & VIS_SERVER) &&
if ((orig_node->flags & BATADV_VIS_SERVER) &&
(router->tq_avg > best_tq)) {
best_tq = router->tq_avg;
memcpy(packet->target_orig, orig_node->orig,
@ -541,15 +551,15 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
}
/* Return true if the vis packet is full. */
static bool batadv_vis_packet_full(const struct vis_info *info)
static bool batadv_vis_packet_full(const struct batadv_vis_info *info)
{
const struct vis_packet *packet;
size_t num_items;
const struct batadv_vis_packet *packet;
size_t num;
packet = (struct vis_packet *)info->skb_packet->data;
num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry);
packet = (struct batadv_vis_packet *)info->skb_packet->data;
num = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct batadv_vis_info_entry);
if (num_items < packet->entries + 1)
if (num < packet->entries + 1)
return true;
return false;
}
@ -557,30 +567,32 @@ static bool batadv_vis_packet_full(const struct vis_info *info)
/* generates a packet of own vis data,
* returns 0 on success, -1 if no packet could be generated
*/
static int batadv_generate_vis_packet(struct bat_priv *bat_priv)
static int batadv_generate_vis_packet(struct batadv_priv *bat_priv)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct neigh_node *router;
struct vis_info *info = bat_priv->my_vis_info;
struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data;
struct vis_info_entry *entry;
struct tt_common_entry *tt_common_entry;
struct batadv_orig_node *orig_node;
struct batadv_neigh_node *router;
struct batadv_vis_info *info = bat_priv->my_vis_info;
struct batadv_vis_packet *packet;
struct batadv_vis_info_entry *entry;
struct batadv_tt_common_entry *tt_common_entry;
int best_tq = -1;
uint32_t i;
info->first_seen = jiffies;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
packet->vis_type = atomic_read(&bat_priv->vis_mode);
memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN);
packet->header.ttl = BATADV_TTL;
packet->seqno = htonl(ntohl(packet->seqno) + 1);
packet->entries = 0;
packet->reserved = 0;
skb_trim(info->skb_packet, sizeof(*packet));
if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) {
if (packet->vis_type == BATADV_VIS_TYPE_CLIENT_UPDATE) {
best_tq = batadv_find_best_vis_server(bat_priv, info);
if (best_tq < 0)
@ -599,14 +611,14 @@ static int batadv_generate_vis_packet(struct bat_priv *bat_priv)
if (!batadv_compare_eth(router->addr, orig_node->orig))
goto next;
if (router->if_incoming->if_status != IF_ACTIVE)
if (router->if_incoming->if_status != BATADV_IF_ACTIVE)
goto next;
if (router->tq_avg < 1)
goto next;
/* fill one entry into buffer. */
entry = (struct vis_info_entry *)
entry = (struct batadv_vis_info_entry *)
skb_put(info->skb_packet, sizeof(*entry));
memcpy(entry->src,
router->if_incoming->net_dev->dev_addr,
@ -632,7 +644,7 @@ next:
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry, node, head,
hash_entry) {
entry = (struct vis_info_entry *)
entry = (struct batadv_vis_info_entry *)
skb_put(info->skb_packet,
sizeof(*entry));
memset(entry->src, 0, ETH_ALEN);
@ -656,13 +668,13 @@ unlock:
/* free old vis packets. Must be called with this vis_hash_lock
* held
*/
static void batadv_purge_vis_packets(struct bat_priv *bat_priv)
static void batadv_purge_vis_packets(struct batadv_priv *bat_priv)
{
uint32_t i;
struct hashtable_t *hash = bat_priv->vis_hash;
struct batadv_hashtable *hash = bat_priv->vis_hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
struct vis_info *info;
struct batadv_vis_info *info;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
@ -683,22 +695,22 @@ static void batadv_purge_vis_packets(struct bat_priv *bat_priv)
}
}
static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
struct vis_info *info)
static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv,
struct batadv_vis_info *info)
{
struct neigh_node *router;
struct hashtable_t *hash = bat_priv->orig_hash;
struct batadv_neigh_node *router;
struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct orig_node *orig_node;
struct vis_packet *packet;
struct batadv_orig_node *orig_node;
struct batadv_vis_packet *packet;
struct sk_buff *skb;
struct hard_iface *hard_iface;
struct batadv_hard_iface *hard_iface;
uint8_t dstaddr[ETH_ALEN];
uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send to all routers in range. */
for (i = 0; i < hash->size; i++) {
@ -707,7 +719,7 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
/* if it's a vis server and reachable, send it. */
if (!(orig_node->flags & VIS_SERVER))
if (!(orig_node->flags & BATADV_VIS_SERVER))
continue;
router = batadv_orig_node_get_router(orig_node);
@ -739,15 +751,15 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
}
}
static void batadv_unicast_vis_packet(struct bat_priv *bat_priv,
struct vis_info *info)
static void batadv_unicast_vis_packet(struct batadv_priv *bat_priv,
struct batadv_vis_info *info)
{
struct orig_node *orig_node;
struct neigh_node *router = NULL;
struct batadv_orig_node *orig_node;
struct batadv_neigh_node *router = NULL;
struct sk_buff *skb;
struct vis_packet *packet;
struct batadv_vis_packet *packet;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig);
if (!orig_node)
@ -769,17 +781,17 @@ out:
}
/* only send one vis packet. called from batadv_send_vis_packets() */
static void batadv_send_vis_packet(struct bat_priv *bat_priv,
struct vis_info *info)
static void batadv_send_vis_packet(struct batadv_priv *bat_priv,
struct batadv_vis_info *info)
{
struct hard_iface *primary_if;
struct vis_packet *packet;
struct batadv_hard_iface *primary_if;
struct batadv_vis_packet *packet;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
packet = (struct vis_packet *)info->skb_packet->data;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
if (packet->header.ttl < 2) {
pr_debug("Error - can't send vis packet: ttl exceeded\n");
goto out;
@ -804,10 +816,10 @@ static void batadv_send_vis_packets(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, vis_work);
struct vis_info *info;
struct batadv_priv *bat_priv;
struct batadv_vis_info *info;
bat_priv = container_of(delayed_work, struct batadv_priv, vis_work);
spin_lock_bh(&bat_priv->vis_hash_lock);
batadv_purge_vis_packets(bat_priv);
@ -836,12 +848,13 @@ static void batadv_send_vis_packets(struct work_struct *work)
/* init the vis server. this may only be called when if_list is already
* initialized (e.g. bat0 is initialized, interfaces have been added)
*/
int batadv_vis_init(struct bat_priv *bat_priv)
int batadv_vis_init(struct batadv_priv *bat_priv)
{
struct vis_packet *packet;
struct batadv_vis_packet *packet;
int hash_added;
unsigned int len;
unsigned long first_seen;
struct sk_buff *tmp_skb;
if (bat_priv->vis_hash)
return 0;
@ -864,8 +877,8 @@ int batadv_vis_init(struct bat_priv *bat_priv)
goto free_info;
skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet,
sizeof(*packet));
tmp_skb = bat_priv->my_vis_info->skb_packet;
packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet));
/* prefill the vis info */
first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL);
@ -875,9 +888,10 @@ int batadv_vis_init(struct bat_priv *bat_priv)
kref_init(&bat_priv->my_vis_info->refcount);
bat_priv->my_vis_info->bat_priv = bat_priv;
packet->header.version = BATADV_COMPAT_VERSION;
packet->header.packet_type = BAT_VIS;
packet->header.packet_type = BATADV_VIS;
packet->header.ttl = BATADV_TTL;
packet->seqno = 0;
packet->reserved = 0;
packet->entries = 0;
INIT_LIST_HEAD(&bat_priv->vis_send_list);
@ -909,15 +923,15 @@ err:
/* Decrease the reference count on a hash item info */
static void batadv_free_info_ref(struct hlist_node *node, void *arg)
{
struct vis_info *info;
struct batadv_vis_info *info;
info = container_of(node, struct vis_info, hash_entry);
info = container_of(node, struct batadv_vis_info, hash_entry);
batadv_send_list_del(info);
kref_put(&info->refcount, batadv_free_info);
}
/* shutdown vis-server */
void batadv_vis_quit(struct bat_priv *bat_priv)
void batadv_vis_quit(struct batadv_priv *bat_priv)
{
if (!bat_priv->vis_hash)
return;
@ -933,7 +947,7 @@ void batadv_vis_quit(struct bat_priv *bat_priv)
}
/* schedule packets for (re)transmission */
static void batadv_start_vis_timer(struct bat_priv *bat_priv)
static void batadv_start_vis_timer(struct batadv_priv *bat_priv)
{
INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets);
queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work,

12
net/batman-adv/vis.h
View File

@ -24,13 +24,13 @@
#define BATADV_VIS_TIMEOUT 200000
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset);
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv,
struct batadv_vis_packet *vis_packet,
int vis_info_len);
void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
struct vis_packet *vis_packet,
void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
struct batadv_vis_packet *vis_packet,
int vis_info_len);
int batadv_vis_init(struct bat_priv *bat_priv);
void batadv_vis_quit(struct bat_priv *bat_priv);
int batadv_vis_init(struct batadv_priv *bat_priv);
void batadv_vis_quit(struct batadv_priv *bat_priv);
#endif /* _NET_BATMAN_ADV_VIS_H_ */