[B.A.T.M.A.N.] [PATCHv4 01/13] batman-adv: add the VLAN ID attribute to the TT entry

Antonio Quartulli
2013-06-04T10:11:39Z

To make the translation table code VLAN-aware, each entry
must carry the VLAN ID which it belongs to. This patch adds
such attribute to the related TT structures.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
---
bridge_loop_avoidance.c | 35 +++----
distributed-arp-table.c | 11 ++-
gateway_client.c | 3 +-
main.c | 30 +++++-
main.h | 9 +-
packet.h | 14 ++-
routing.c | 26 ++++--
send.c | 8 +-
send.h | 16 ++--
soft-interface.c | 33 ++++---
translation-table.c | 239 +++++++++++++++++++++++++++++++++++++-----------
translation-table.h | 19 ++--
types.h | 2 +
13 files changed, 312 insertions(+), 133 deletions(-)

diff --git a/bridge_loop_avoidance.c b/bridge_loop_avoidance.c
index ab537ec..02f6f81 100644
--- a/bridge_loop_avoidance.c
+++ b/bridge_loop_avoidance.c
@@ -858,27 +858,25 @@ 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 batadv_bla_claim_dst *bla_dst;
+ uint8_t *hw_src, *hw_dst;
struct vlan_ethhdr *vhdr;
+ struct ethhdr *ethhdr;
struct arphdr *arphdr;
- uint8_t *hw_src, *hw_dst;
- struct batadv_bla_claim_dst *bla_dst;
+ unsigned short vid;
__be16 proto;
int headlen;
- unsigned short vid = BATADV_NO_FLAGS;
int ret;

+ vid = batadv_get_vid(skb, 0);
ethhdr = eth_hdr(skb);

- if (ethhdr->h_proto == htons(ETH_P_8021Q)) {
+ proto = ethhdr->h_proto;
+ headlen = ETH_HLEN;
+ if (vid & BATADV_VLAN_HAS_TAG) {
vhdr = (struct vlan_ethhdr *)ethhdr;
- vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
- vid |= BATADV_VLAN_HAS_TAG;
proto = vhdr->h_vlan_encapsulated_proto;
- headlen = sizeof(*vhdr);
- } else {
- proto = ethhdr->h_proto;
- headlen = ETH_HLEN;
+ headlen += VLAN_HLEN;
}

if (proto != htons(ETH_P_ARP))
@@ -1361,10 +1359,8 @@ int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig)
int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct batadv_orig_node *orig_node, int hdr_size)
{
- struct ethhdr *ethhdr;
- struct vlan_ethhdr *vhdr;
struct batadv_bla_backbone_gw *backbone_gw;
- unsigned short vid = BATADV_NO_FLAGS;
+ unsigned short vid;

if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))
return 0;
@@ -1373,16 +1369,7 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb,
if (!pskb_may_pull(skb, hdr_size + ETH_HLEN))
return 0;

- ethhdr = (struct ethhdr *)(((uint8_t *)skb->data) + hdr_size);
-
- if (ethhdr->h_proto == htons(ETH_P_8021Q)) {
- if (!pskb_may_pull(skb, hdr_size + VLAN_ETH_HLEN))
- return 0;
-
- vhdr = (struct vlan_ethhdr *)(skb->data + hdr_size);
- vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
- vid |= BATADV_VLAN_HAS_TAG;
- }
+ vid = batadv_get_vid(skb, hdr_size);

/* see if this originator is a backbone gw for this VLAN */
backbone_gw = batadv_backbone_hash_find(orig_node->bat_priv,
diff --git a/distributed-arp-table.c b/distributed-arp-table.c
index 99da412..1b590f0 100644
--- a/distributed-arp-table.c
+++ b/distributed-arp-table.c
@@ -905,7 +905,8 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
* additional DAT answer may trigger kernel warnings about
* a packet coming from the wrong port.
*/
- if (batadv_is_my_client(bat_priv, dat_entry->mac_addr)) {
+ if (batadv_is_my_client(bat_priv, dat_entry->mac_addr,
+ BATADV_NO_FLAGS)) {
ret = true;
goto out;
}
@@ -990,9 +991,11 @@ bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
*/
if (hdr_size == sizeof(struct batadv_unicast_4addr_packet))
err = batadv_send_skb_unicast_4addr(bat_priv, skb_new,
- BATADV_P_DAT_CACHE_REPLY);
+ BATADV_P_DAT_CACHE_REPLY,
+ BATADV_NO_FLAGS);
else
- err = batadv_send_skb_unicast(bat_priv, skb_new);
+ err = batadv_send_skb_unicast(bat_priv, skb_new,
+ BATADV_NO_FLAGS);

if (!err) {
batadv_inc_counter(bat_priv, BATADV_CNT_DAT_CACHED_REPLY_TX);
@@ -1080,7 +1083,7 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
/* if this REPLY is directed to a client of mine, let's deliver the
* packet to the interface
*/
- ret = !batadv_is_my_client(bat_priv, hw_dst);
+ ret = !batadv_is_my_client(bat_priv, hw_dst, BATADV_NO_FLAGS);
out:
if (ret)
kfree_skb(skb);
diff --git a/gateway_client.c b/gateway_client.c
index 131136f..d0491fe 100644
--- a/gateway_client.c
+++ b/gateway_client.c
@@ -706,7 +706,8 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
goto out;

orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
- ethhdr->h_dest);
+ ethhdr->h_dest,
+ BATADV_NO_FLAGS);
if (!orig_dst_node)
goto out;

diff --git a/main.c b/main.c
index 5d30fe0..7bd8618 100644
--- a/main.c
+++ b/main.c
@@ -19,6 +19,7 @@

#include <linux/crc32c.h>
#include <linux/highmem.h>
+#include <linux/if_vlan.h>
#include "main.h"
#include "sysfs.h"
#include "debugfs.h"
@@ -127,7 +128,7 @@ int batadv_mesh_init(struct net_device *soft_iface)
goto err;

batadv_tt_local_add(soft_iface, soft_iface->dev_addr,
- BATADV_NULL_IFINDEX);
+ BATADV_NULL_IFINDEX, BATADV_NO_FLAGS);

ret = batadv_bla_init(bat_priv);
if (ret < 0)
@@ -1087,6 +1088,33 @@ out:
batadv_orig_node_free_ref(orig_node);
}

+/**
+ * batadv_get_vid - extract the VLAN identifier from skb if any
+ * @skb: the buffer containing the packet
+ * @header_len: length of the batman header preceding the Ethernet one
+ *
+ * If the packet contained in skb is vlan tagged then this function returns the
+ * VID with the BATADV_VLAN_HAS_TAG flag. Otherwise returns BATADV_NO_FLAGS
+ */
+unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len)
+{
+ struct ethhdr *ethhdr = (struct ethhdr *)(skb->data + header_len);
+ struct vlan_ethhdr *vhdr;
+ unsigned short vid;
+
+ if (ethhdr->h_proto != htons(ETH_P_8021Q))
+ return BATADV_NO_FLAGS;
+
+ if (!pskb_may_pull(skb, header_len + VLAN_ETH_HLEN))
+ return BATADV_NO_FLAGS;
+
+ vhdr = (struct vlan_ethhdr *)(skb->data + header_len);
+ vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
+ vid |= BATADV_VLAN_HAS_TAG;
+
+ return vid;
+}
+
static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
struct batadv_algo_ops *bat_algo_ops;
diff --git a/main.h b/main.h
index 1f0b135..923edde 100644
--- a/main.h
+++ b/main.h
@@ -171,14 +171,6 @@ enum batadv_uev_type {

#include "types.h"

-/**
- * batadv_vlan_flags - flags for the four MSB of any vlan ID field
- * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not
- */
-enum batadv_vlan_flags {
- BATADV_VLAN_HAS_TAG = BIT(15),
-};
-
#define BATADV_PRINT_VID(vid) (vid & BATADV_VLAN_HAS_TAG ? \
(int)(vid & VLAN_VID_MASK) : -1)

@@ -369,5 +361,6 @@ int batadv_tvlv_containers_process(struct batadv_priv *bat_priv,
void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, uint8_t *src,
uint8_t *dst, uint8_t type, uint8_t version,
void *tvlv_value, uint16_t tvlv_value_len);
+unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len);

#endif /* _NET_BATMAN_ADV_MAIN_H_ */
diff --git a/packet.h b/packet.h
index e3ae41a..08e175a 100644
--- a/packet.h
+++ b/packet.h
@@ -122,6 +122,14 @@ enum batadv_tt_client_flags {
BATADV_TT_CLIENT_TEMP = BIT(11),
};

+/**
+ * batadv_vlan_flags - flags for the four MSB of any vlan ID field
+ * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not
+ */
+enum batadv_vlan_flags {
+ BATADV_VLAN_HAS_TAG = BIT(15),
+};
+
/* claim frame types for the bridge loop avoidance */
enum batadv_bla_claimframe {
BATADV_CLAIM_TYPE_CLAIM = 0x00,
@@ -399,21 +407,23 @@ struct batadv_tvlv_tt_data {
* batadv_tt_client_flags)
* @reserved: reserved field
* @addr: mac address of non-mesh client that triggered this tt change
+ * @vid: VLAN identifier
*/
struct batadv_tvlv_tt_change {
uint8_t flags;
uint8_t reserved;
uint8_t addr[ETH_ALEN];
+ __be16 vid;
};

/**
* struct batadv_tvlv_roam_adv - roaming advertisement
* @client: mac address of roaming client
- * @reserved: field reserved for future use
+ * @vid: VLAN identifier
*/
struct batadv_tvlv_roam_adv {
uint8_t client[ETH_ALEN];
- uint16_t reserved;
+ __be16 vid;
};

#endif /* _NET_BATMAN_ADV_PACKET_H_ */
diff --git a/routing.c b/routing.c
index 7b98c67..e63b05d 100644
--- a/routing.c
+++ b/routing.c
@@ -30,6 +30,8 @@
#include "network-coding.h"
#include "fragmentation.h"

+#include <linux/if_vlan.h>
+
static int batadv_route_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);

@@ -708,6 +710,7 @@ out:
* @bat_priv: the bat priv with all the soft interface information
* @unicast_packet: the unicast header to be updated
* @dst_addr: the payload destination
+ * @vid: VLAN identifier
*
* Search the translation table for dst_addr and update the unicast header with
* the new corresponding information (originator address where the destination
@@ -718,21 +721,22 @@ out:
static bool
batadv_reroute_unicast_packet(struct batadv_priv *bat_priv,
struct batadv_unicast_packet *unicast_packet,
- uint8_t *dst_addr)
+ uint8_t *dst_addr, unsigned short vid)
{
struct batadv_orig_node *orig_node = NULL;
struct batadv_hard_iface *primary_if = NULL;
bool ret = false;
uint8_t *orig_addr, orig_ttvn;

- if (batadv_is_my_client(bat_priv, dst_addr)) {
+ if (batadv_is_my_client(bat_priv, dst_addr, vid)) {
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
orig_addr = primary_if->net_dev->dev_addr;
orig_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
} else {
- orig_node = batadv_transtable_search(bat_priv, NULL, dst_addr);
+ orig_node = batadv_transtable_search(bat_priv, NULL, dst_addr,
+ vid);
if (!orig_node)
goto out;

@@ -759,11 +763,12 @@ out:

static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
struct sk_buff *skb, int hdr_len) {
- uint8_t curr_ttvn, old_ttvn;
+ struct batadv_unicast_packet *unicast_packet;
+ struct batadv_hard_iface *primary_if;
struct batadv_orig_node *orig_node;
+ uint8_t curr_ttvn, old_ttvn;
struct ethhdr *ethhdr;
- struct batadv_hard_iface *primary_if;
- struct batadv_unicast_packet *unicast_packet;
+ unsigned short vid;
int is_old_ttvn;

/* check if there is enough data before accessing it */
@@ -775,6 +780,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
return 0;

unicast_packet = (struct batadv_unicast_packet *)skb->data;
+ vid = batadv_get_vid(skb, hdr_len);
ethhdr = (struct ethhdr *)(skb->data + hdr_len);

/* check if the destination client was served by this node and it is now
@@ -782,9 +788,9 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
* message and that it knows the new destination in the mesh to re-route
* the packet to
*/
- if (batadv_tt_local_client_is_roaming(bat_priv, ethhdr->h_dest)) {
+ if (batadv_tt_local_client_is_roaming(bat_priv, ethhdr->h_dest, vid)) {
if (batadv_reroute_unicast_packet(bat_priv, unicast_packet,
- ethhdr->h_dest))
+ ethhdr->h_dest, vid))
net_ratelimited_function(batadv_dbg, BATADV_DBG_TT,
bat_priv,
"Rerouting unicast packet to %pM (dst=%pM): Local Roaming\n",
@@ -830,7 +836,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
* target host
*/
if (batadv_reroute_unicast_packet(bat_priv, unicast_packet,
- ethhdr->h_dest)) {
+ ethhdr->h_dest, vid)) {
net_ratelimited_function(batadv_dbg, BATADV_DBG_TT, bat_priv,
"Rerouting unicast packet to %pM (dst=%pM): TTVN mismatch old_ttvn=%u new_ttvn=%u\n",
unicast_packet->dest, ethhdr->h_dest,
@@ -842,7 +848,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
* currently served by this node or there is no destination at all and
* it is possible to drop the packet
*/
- if (!batadv_is_my_client(bat_priv, ethhdr->h_dest))
+ if (!batadv_is_my_client(bat_priv, ethhdr->h_dest, vid))
return 0;

/* update the header in order to let the packet be delivered to this
diff --git a/send.c b/send.c
index d780b9d..b631355 100644
--- a/send.c
+++ b/send.c
@@ -241,12 +241,14 @@ out:
* @packet_type: the batman unicast packet type to use
* @packet_subtype: the unicast 4addr packet subtype (only relevant for unicast
* 4addr packets)
+ * @vid: the vid to be used to search the translation table
*
* Returns 1 in case of error or 0 otherwise.
*/
int batadv_send_skb_generic_unicast(struct batadv_priv *bat_priv,
struct sk_buff *skb, int packet_type,
- int packet_subtype)
+ int packet_subtype,
+ unsigned short vid)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct batadv_unicast_packet *unicast_packet;
@@ -261,7 +263,7 @@ int batadv_send_skb_generic_unicast(struct batadv_priv *bat_priv,
* returns NULL in case of AP isolation
*/
orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
- ethhdr->h_dest);
+ ethhdr->h_dest, vid);

if (!orig_node)
goto out;
@@ -288,7 +290,7 @@ int batadv_send_skb_generic_unicast(struct batadv_priv *bat_priv,
* try to reroute it because the ttvn contained in the header is less
* than the current one
*/
- if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
+ if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest, vid))
unicast_packet->ttvn = unicast_packet->ttvn - 1;

if (batadv_send_skb_to_orig(skb, orig_node, NULL) != NET_XMIT_DROP)
diff --git a/send.h b/send.h
index ad63184..c030cb7 100644
--- a/send.h
+++ b/send.h
@@ -40,21 +40,23 @@ bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
int packet_subtype);
int batadv_send_skb_generic_unicast(struct batadv_priv *bat_priv,
struct sk_buff *skb, int packet_type,
- int packet_subtype);
-
+ int packet_subtype,
+ unsigned short vid);

/**
* batadv_send_unicast_skb - send the skb encapsulated in a unicast packet
* @bat_priv: the bat priv with all the soft interface information
* @skb: the payload to send
+ * @vid: the vid to be used to search the translation table
*
* Returns 1 in case of error or 0 otherwise.
*/
static inline int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ unsigned short vid)
{
return batadv_send_skb_generic_unicast(bat_priv, skb, BATADV_UNICAST,
- 0);
+ 0, vid);
}

/**
@@ -63,16 +65,18 @@ static inline int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
* @bat_priv: the bat priv with all the soft interface information
* @skb: the payload to send
* @packet_subtype: the unicast 4addr packet subtype to use
+ * @vid: the vid to be used to search the translation table
*
* Returns 1 in case of error or 0 otherwise.
*/
static inline int batadv_send_skb_unicast_4addr(struct batadv_priv *bat_priv,
struct sk_buff *skb,
- int packet_subtype)
+ int packet_subtype,
+ unsigned short vid)
{
return batadv_send_skb_generic_unicast(bat_priv, skb,
BATADV_UNICAST_4ADDR,
- packet_subtype);
+ packet_subtype, vid);
}

#endif /* _NET_BATMAN_ADV_SEND_H_ */
diff --git a/soft-interface.c b/soft-interface.c
index d4fdc61..43390d1 100644
--- a/soft-interface.c
+++ b/soft-interface.c
@@ -118,9 +118,10 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)

/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
- batadv_tt_local_remove(bat_priv, old_addr,
+ batadv_tt_local_remove(bat_priv, old_addr, BATADV_NO_FLAGS,
"mac address changed", false);
- batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
+ batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX,
+ BATADV_NO_FLAGS);
}

return 0;
@@ -140,32 +141,33 @@ static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu)
static int batadv_interface_tx(struct sk_buff *skb,
struct net_device *soft_iface)
{
- struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
+ struct ethhdr *ethhdr;
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 = htons(ETH_P_BATMAN);
static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00,
0x00, 0x00};
static const uint8_t ectp_addr[ETH_ALEN] = {0xCF, 0x00, 0x00, 0x00,
0x00, 0x00};
+ struct vlan_ethhdr *vhdr;
unsigned int header_len = 0;
int data_len = skb->len, ret;
- unsigned short vid __maybe_unused = BATADV_NO_FLAGS;
+ unsigned long brd_delay = 1;
bool do_bcast = false;
+ unsigned short vid;
uint32_t seqno;
- unsigned long brd_delay = 1;

if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;

soft_iface->trans_start = jiffies;
+ vid = batadv_get_vid(skb, 0);
+ ethhdr = (struct ethhdr *)skb->data;

switch (ntohs(ethhdr->h_proto)) {
case ETH_P_8021Q:
vhdr = (struct vlan_ethhdr *)skb->data;
- vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;

if (vhdr->h_vlan_encapsulated_proto != ethertype)
break;
@@ -180,7 +182,8 @@ static int batadv_interface_tx(struct sk_buff *skb,

/* Register the client MAC in the transtable */
if (!is_multicast_ether_addr(ethhdr->h_source))
- batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
+ batadv_tt_local_add(soft_iface, ethhdr->h_source, vid,
+ skb->skb_iif);

/* don't accept stp packets. STP does not help in meshes.
* better use the bridge loop avoidance ...
@@ -274,7 +277,7 @@ static int batadv_interface_tx(struct sk_buff *skb,

batadv_dat_snoop_outgoing_arp_reply(bat_priv, skb);

- ret = batadv_send_skb_unicast(bat_priv, skb);
+ ret = batadv_send_skb_unicast(bat_priv, skb, vid);
if (ret != 0)
goto dropped_freed;
}
@@ -297,12 +300,12 @@ void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct batadv_hard_iface *recv_if,
int hdr_size, struct batadv_orig_node *orig_node)
{
- struct batadv_priv *bat_priv = netdev_priv(soft_iface);
- struct ethhdr *ethhdr;
- struct vlan_ethhdr *vhdr;
struct batadv_header *batadv_header = (struct batadv_header *)skb->data;
- unsigned short vid __maybe_unused = BATADV_NO_FLAGS;
+ struct batadv_priv *bat_priv = netdev_priv(soft_iface);
__be16 ethertype = htons(ETH_P_BATMAN);
+ struct vlan_ethhdr *vhdr;
+ struct ethhdr *ethhdr;
+ unsigned short vid;
bool is_bcast;

is_bcast = (batadv_header->packet_type == BATADV_BCAST);
@@ -314,12 +317,12 @@ void batadv_interface_rx(struct net_device *soft_iface,
skb_pull_rcsum(skb, hdr_size);
skb_reset_mac_header(skb);

+ vid = batadv_get_vid(skb, hdr_size);
ethhdr = eth_hdr(skb);

switch (ntohs(ethhdr->h_proto)) {
case ETH_P_8021Q:
vhdr = (struct vlan_ethhdr *)skb->data;
- vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;

if (vhdr->h_vlan_encapsulated_proto != ethertype)
break;
@@ -355,7 +358,7 @@ void batadv_interface_rx(struct net_device *soft_iface,

if (orig_node)
batadv_tt_add_temporary_global_entry(bat_priv, orig_node,
- ethhdr->h_source);
+ ethhdr->h_source, vid);

if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
goto dropped;
diff --git a/translation-table.c b/translation-table.c
index 891e053..708bafe 100644
--- a/translation-table.c
+++ b/translation-table.c
@@ -34,6 +34,7 @@ static struct lock_class_key batadv_tt_local_hash_lock_class_key;
static struct lock_class_key batadv_tt_global_hash_lock_class_key;

static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client,
+ unsigned short vid,
struct batadv_orig_node *orig_node);
static void batadv_tt_purge(struct work_struct *work);
static void
@@ -41,7 +42,8 @@ batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry);
static void batadv_tt_global_del(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const unsigned char *addr,
- const char *message, bool roaming);
+ unsigned short vid, const char *message,
+ bool roaming);

/* returns 1 if they are the same mac addr */
static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
@@ -52,43 +54,93 @@ static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}

+/**
+ * batadv_choose_tt - return the index of the tt entry in the hash table
+ * @data: pointer to the tt_common_entry object to map
+ * @size: the size of the hash table
+ *
+ * Return the index where the object represented by 'data' should be stored in
+ * the hash table
+ */
+static inline uint32_t batadv_choose_tt(const void *data, uint32_t size)
+{
+ struct batadv_tt_common_entry *tt;
+ uint32_t hash = 0;
+
+ tt = (struct batadv_tt_common_entry *)data;
+ hash = batadv_hash_bytes(hash, &tt->addr, ETH_ALEN);
+ hash = batadv_hash_bytes(hash, &tt->vid, sizeof(tt->vid));
+
+ hash += (hash << 3);
+ hash ^= (hash >> 11);
+ hash += (hash << 15);
+
+ return hash % size;
+}
+
+/**
+ * batadv_tt_hash_find - looks for a client in the given hash table
+ * @hash: the hash table to search
+ * @addr: the mac address of the client to look for
+ * @vid: VLAN identifier
+ *
+ * Return a pointer to the tt_common struct belonging to the searched client if
+ * found, NULL otherwise
+ */
static struct batadv_tt_common_entry *
-batadv_tt_hash_find(struct batadv_hashtable *hash, const void *data)
+batadv_tt_hash_find(struct batadv_hashtable *hash, const uint8_t *addr,
+ unsigned short vid)
{
struct hlist_head *head;
- struct batadv_tt_common_entry *tt_common_entry;
- struct batadv_tt_common_entry *tt_common_entry_tmp = NULL;
+ struct batadv_tt_common_entry to_search, *tt, *tt_tmp = NULL;
uint32_t index;

if (!hash)
return NULL;

- index = batadv_choose_orig(data, hash->size);
+ memcpy(to_search.addr, addr, ETH_ALEN);
+ to_search.vid = vid;
+
+ index = batadv_choose_tt(&to_search, hash->size);
head = &hash->table[index];

rcu_read_lock();
- hlist_for_each_entry_rcu(tt_common_entry, head, hash_entry) {
- if (!batadv_compare_eth(tt_common_entry, data))
+ hlist_for_each_entry_rcu(tt, head, hash_entry) {
+ if (!batadv_compare_eth(tt, addr))
+ continue;
+
+ if (tt->vid != vid)
continue;

- if (!atomic_inc_not_zero(&tt_common_entry->refcount))
+ if (!atomic_inc_not_zero(&tt->refcount))
continue;

- tt_common_entry_tmp = tt_common_entry;
+ tt_tmp = tt;
break;
}
rcu_read_unlock();

- return tt_common_entry_tmp;
+ return tt_tmp;
}

+/**
+ * batadv_tt_local_hash_find - Search the local table for a given client
+ * @bat_priv: the bat priv with all the soft interface information
+ * @addr: the mac address of the client to look for
+ * @vid: VLAN identifier
+ *
+ * Return a pointer to the corresponding tt_local_entry struct if the client is
+ * found, NULL otherwise
+ */
static struct batadv_tt_local_entry *
-batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const void *data)
+batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const uint8_t *addr,
+ unsigned short vid)
{
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_local_entry *tt_local_entry = NULL;

- tt_common_entry = batadv_tt_hash_find(bat_priv->tt.local_hash, data);
+ tt_common_entry = batadv_tt_hash_find(bat_priv->tt.local_hash, addr,
+ vid);
if (tt_common_entry)
tt_local_entry = container_of(tt_common_entry,
struct batadv_tt_local_entry,
@@ -96,13 +148,24 @@ batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const void *data)
return tt_local_entry;
}

+/**
+ * batadv_tt_global_hash_find - Search the global table for a given client
+ * @bat_priv: the bat priv with all the soft interface information
+ * @addr: the mac address of the client to look for
+ * @vid: VLAN identifier
+ *
+ * Return a pointer to the corresponding tt_global_entry struct if the client is
+ * found, NULL otherwise
+ */
static struct batadv_tt_global_entry *
-batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const void *data)
+batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const uint8_t *addr,
+ unsigned short vid)
{
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_global_entry *tt_global_entry = NULL;

- tt_common_entry = batadv_tt_hash_find(bat_priv->tt.global_hash, data);
+ tt_common_entry = batadv_tt_hash_find(bat_priv->tt.global_hash, addr,
+ vid);
if (tt_common_entry)
tt_global_entry = container_of(tt_common_entry,
struct batadv_tt_global_entry,
@@ -178,6 +241,7 @@ static void batadv_tt_local_event(struct batadv_priv *bat_priv,
tt_change_node->change.flags = flags;
tt_change_node->change.reserved = 0;
memcpy(tt_change_node->change.addr, common->addr, ETH_ALEN);
+ tt_change_node->change.vid = htons(common->vid);

del_op_requested = flags & BATADV_TT_CLIENT_DEL;

@@ -268,12 +332,21 @@ static void batadv_tt_global_free(struct batadv_priv *bat_priv,
tt_global->common.addr, message);

batadv_hash_remove(bat_priv->tt.global_hash, batadv_compare_tt,
- batadv_choose_orig, tt_global->common.addr);
+ batadv_choose_tt, &tt_global->common);
batadv_tt_global_entry_free_ref(tt_global);
}

+/**
+ * batadv_tt_local_add - add a new client to the local table or update it if
+ * already exists
+ * @soft_iface: netdev struct of the mesh interface
+ * @addr: the mac address of the client to add
+ * @vid: VLAN identifier
+ * @ifindex: index of the interface where the client is connected to (useful to
+ * identify wireless clients)
+ */
void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
- int ifindex)
+ unsigned short vid, int ifindex)
{
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_tt_local_entry *tt_local;
@@ -283,8 +356,8 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
int hash_added;
bool roamed_back = false;

- tt_local = batadv_tt_local_hash_find(bat_priv, addr);
- tt_global = batadv_tt_global_hash_find(bat_priv, addr);
+ tt_local = batadv_tt_local_hash_find(bat_priv, addr, vid);
+ tt_global = batadv_tt_global_hash_find(bat_priv, addr, vid);

if (tt_local) {
tt_local->last_seen = jiffies;
@@ -329,6 +402,7 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
* (consistency check)
*/
tt_local->common.flags = BATADV_TT_CLIENT_NEW;
+ tt_local->common.vid = vid;
if (batadv_is_wifi_iface(ifindex))
tt_local->common.flags |= BATADV_TT_CLIENT_WIFI;
atomic_set(&tt_local->common.refcount, 2);
@@ -340,7 +414,7 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
tt_local->common.flags |= BATADV_TT_CLIENT_NOPURGE;

hash_added = batadv_hash_add(bat_priv->tt.local_hash, batadv_compare_tt,
- batadv_choose_orig, &tt_local->common,
+ batadv_choose_tt, &tt_local->common,
&tt_local->common.hash_entry);

if (unlikely(hash_added != 0)) {
@@ -362,6 +436,7 @@ check_roaming:
rcu_read_lock();
hlist_for_each_entry_rcu(orig_entry, head, list) {
batadv_send_roam_adv(bat_priv, tt_global->common.addr,
+ tt_global->common.vid,
orig_entry->orig_node);
}
rcu_read_unlock();
@@ -550,19 +625,20 @@ batadv_tt_local_set_pending(struct batadv_priv *bat_priv,
* batadv_tt_local_remove - logically remove an entry from the local table
* @bat_priv: the bat priv with all the soft interface information
* @addr: the MAC address of the client to remove
+ * @vid: VLAN identifier
* @message: message to append to the log on deletion
* @roaming: true if the deletion is due to a roaming event
*
* Returns the flags assigned to the local entry before being deleted
*/
uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv,
- const uint8_t *addr, const char *message,
- bool roaming)
+ const uint8_t *addr, unsigned short vid,
+ const char *message, bool roaming)
{
struct batadv_tt_local_entry *tt_local_entry;
uint16_t flags, curr_flags = BATADV_NO_FLAGS;

- tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
if (!tt_local_entry)
goto out;

@@ -798,6 +874,7 @@ out:
* @bat_priv: the bat priv with all the soft interface information
* @orig_node: the originator announcing the client
* @tt_addr: the mac address of the non-mesh client
+ * @vid: VLAN identifier
* @flags: TT flags that have to be set for this non-mesh client
* @ttvn: the tt version number ever announcing this non-mesh client
*
@@ -813,7 +890,8 @@ out:
*/
static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
- const unsigned char *tt_addr, uint16_t flags,
+ const unsigned char *tt_addr,
+ unsigned short vid, uint16_t flags,
uint8_t ttvn)
{
struct batadv_tt_global_entry *tt_global_entry;
@@ -823,8 +901,8 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
struct batadv_tt_common_entry *common;
uint16_t local_flags;

- tt_global_entry = batadv_tt_global_hash_find(bat_priv, tt_addr);
- tt_local_entry = batadv_tt_local_hash_find(bat_priv, tt_addr);
+ tt_global_entry = batadv_tt_global_hash_find(bat_priv, tt_addr, vid);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, tt_addr, vid);

/* if the node already has a local client for this entry, it has to wait
* for a roaming advertisement instead of manually messing up the global
@@ -841,6 +919,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,

common = &tt_global_entry->common;
memcpy(common->addr, tt_addr, ETH_ALEN);
+ common->vid = vid;

common->flags = flags;
tt_global_entry->roam_at = 0;
@@ -858,7 +937,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,

hash_added = batadv_hash_add(bat_priv->tt.global_hash,
batadv_compare_tt,
- batadv_choose_orig, common,
+ batadv_choose_tt, common,
&common->hash_entry);

if (unlikely(hash_added != 0)) {
@@ -924,7 +1003,7 @@ add_orig_entry:
out_remove:

/* remove address from local hash if present */
- local_flags = batadv_tt_local_remove(bat_priv, tt_addr,
+ local_flags = batadv_tt_local_remove(bat_priv, tt_addr, vid,
"global tt received",
flags & BATADV_TT_CLIENT_ROAM);
tt_global_entry->common.flags |= local_flags & BATADV_TT_CLIENT_WIFI;
@@ -1147,17 +1226,25 @@ batadv_tt_global_del_roaming(struct batadv_priv *bat_priv,
orig_node, message);
}

-
-
+/**
+ * batadv_tt_global_del - remove a client from the global table
+ * @bat_priv: the bat priv with all the soft interface information
+ * @orig_node: an originator serving this client
+ * @addr: the mac address of the client
+ * @vid: VLAN identifier
+ * @message: a message explaining the reason for deleting the client to print
+ * for debugging purpose
+ * @roaming: true if the deletion has been triggered by a roaming event
+ */
static void batadv_tt_global_del(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
- const unsigned char *addr,
+ const unsigned char *addr, unsigned short vid,
const char *message, bool roaming)
{
struct batadv_tt_global_entry *tt_global_entry;
struct batadv_tt_local_entry *local_entry = NULL;

- tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
+ tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr, vid);
if (!tt_global_entry)
goto out;

@@ -1186,7 +1273,8 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv,
* the global entry, since it is useless now.
*/
local_entry = batadv_tt_local_hash_find(bat_priv,
- tt_global_entry->common.addr);
+ tt_global_entry->common.addr,
+ vid);
if (local_entry) {
/* local entry exists, case 2: client roamed to us. */
batadv_tt_global_del_orig_list(tt_global_entry);
@@ -1354,9 +1442,24 @@ _batadv_is_ap_isolated(struct batadv_tt_local_entry *tt_local_entry,
return ret;
}

+/**
+ * batadv_transtable_search - get the mesh destination for a given client
+ * @bat_priv: the bat priv with all the soft interface information
+ * @src: mac address of the source client
+ * @addr: mac address of the destination client
+ * @vid: VLAN identifier
+ *
+ * Return a pointer to the originator being the node selected as destination in
+ * the mesh for contacting the client 'addr', NULL otherwise.
+ * In case of multiple originators serving the same client, the function returns
+ * the best one (best in terms of TQ).
+ *
+ * If the two clients are AP isolated the function returns NULL.
+ */
struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
const uint8_t *src,
- const uint8_t *addr)
+ const uint8_t *addr,
+ unsigned short vid)
{
struct batadv_tt_local_entry *tt_local_entry = NULL;
struct batadv_tt_global_entry *tt_global_entry = NULL;
@@ -1364,13 +1467,13 @@ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
struct batadv_tt_orig_list_entry *best_entry;

if (src && atomic_read(&bat_priv->ap_isolation)) {
- tt_local_entry = batadv_tt_local_hash_find(bat_priv, src);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, src, vid);
if (!tt_local_entry ||
(tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING))
goto out;
}

- tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
+ tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr, vid);
if (!tt_global_entry)
goto out;

@@ -1649,6 +1752,7 @@ batadv_tt_tvlv_generate(struct batadv_priv *bat_priv,
memcpy(tt_change->addr, tt_common_entry->addr,
ETH_ALEN);
tt_change->flags = tt_common_entry->flags;
+ tt_change->vid = htons(tt_common_entry->vid);
tt_change->reserved = 0;

tt_num_entries++;
@@ -1979,11 +2083,13 @@ static void _batadv_tt_update_changes(struct batadv_priv *bat_priv,
roams = (tt_change + i)->flags & BATADV_TT_CLIENT_ROAM;
batadv_tt_global_del(bat_priv, orig_node,
(tt_change + i)->addr,
+ ntohs((tt_change + i)->vid),
"tt removed by changes",
roams);
} else {
if (!batadv_tt_global_add(bat_priv, orig_node,
(tt_change + i)->addr,
+ ntohs((tt_change + i)->vid),
(tt_change + i)->flags, ttvn))
/* In case of problem while storing a
* global_entry, we stop the updating
@@ -2040,12 +2146,21 @@ static void batadv_tt_update_changes(struct batadv_priv *bat_priv,
atomic_set(&orig_node->last_ttvn, ttvn);
}

-bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr)
+/**
+ * batadv_is_my_client - check if a client is served by the local node
+ * @bat_priv: the bat priv with all the soft interface information
+ * @addr: the mac adress of the client to check
+ * @vid: VLAN identifier
+ *
+ * Return true if the client is served by this node, false otherwise
+ */
+bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr,
+ unsigned short vid)
{
struct batadv_tt_local_entry *tt_local_entry;
bool ret = false;

- tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
if (!tt_local_entry)
goto out;
/* Check if the client has been logically deleted (but is kept for
@@ -2194,7 +2309,19 @@ unlock:
return ret;
}

+/**
+ * batadv_send_roam_adv - send a roaming advertisement message
+ * @bat_priv: the bat priv with all the soft interface information
+ * @client: mac address of the roaming client
+ * @vid: VLAN identifier
+ * @orig_node: message destination
+ *
+ * Send a ROAMING_ADV message to the node which was previously serving this
+ * client. This is done to inform the originator that now all the traffic
+ * directed to the provided mac address has to be forwarded here
+ */
static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client,
+ unsigned short vid,
struct batadv_orig_node *orig_node)
{
struct batadv_hard_iface *primary_if;
@@ -2217,7 +2344,7 @@ static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client,
batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_TX);

memcpy(tvlv_roam.client, client, sizeof(tvlv_roam.client));
- tvlv_roam.reserved = 0;
+ tvlv_roam.vid = htons(vid);

batadv_tvlv_unicast_send(bat_priv, primary_if->net_dev->dev_addr,
orig_node->orig, BATADV_TVLV_ROAM, 1,
@@ -2383,11 +2510,13 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
if (!atomic_read(&bat_priv->ap_isolation))
goto out;

- tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst,
+ BATADV_NO_FLAGS);
if (!tt_local_entry)
goto out;

- tt_global_entry = batadv_tt_global_hash_find(bat_priv, src);
+ tt_global_entry = batadv_tt_global_hash_find(bat_priv, src,
+ BATADV_NO_FLAGS);
if (!tt_global_entry)
goto out;

@@ -2482,17 +2611,23 @@ request_table:
}
}

-/* returns true whether we know that the client has moved from its old
- * originator to another one. This entry is kept is still kept for consistency
- * purposes
+/**
+ * batadv_tt_global_client_is_roaming - check if a client is marked as roaming
+ * @bat_priv: the bat priv with all the soft interface information
+ * @addr: the mac address of the client to check
+ * @vid: VLAN identifier
+ *
+ * Return true whether we know that the client has moved from its old originator
+ * to another one. This entry is still kept for consistency purposes and will be
+ * deleted later by a DEL or because of timeout
*/
bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
- uint8_t *addr)
+ uint8_t *addr, unsigned short vid)
{
struct batadv_tt_global_entry *tt_global_entry;
bool ret = false;

- tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr);
+ tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr, vid);
if (!tt_global_entry)
goto out;

@@ -2505,19 +2640,20 @@ out:
/**
* batadv_tt_local_client_is_roaming - tells whether the client is roaming
* @bat_priv: the bat priv with all the soft interface information
- * @addr: the MAC address of the local client to query
+ * @addr: the mac address of the local client to query
+ * @vid: VLAN identifier
*
* Returns true if the local client is known to be roaming (it is not served by
* this node anymore) or not. If yes, the client is still present in the table
* to keep the latter consistent with the node TTVN
*/
bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
- uint8_t *addr)
+ uint8_t *addr, unsigned short vid)
{
struct batadv_tt_local_entry *tt_local_entry;
bool ret = false;

- tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr);
+ tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid);
if (!tt_local_entry)
goto out;

@@ -2529,7 +2665,8 @@ out:

bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
- const unsigned char *addr)
+ const unsigned char *addr,
+ unsigned short vlan)
{
bool ret = false;

@@ -2540,7 +2677,7 @@ bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
goto out;

- if (!batadv_tt_global_add(bat_priv, orig_node, addr,
+ if (!batadv_tt_global_add(bat_priv, orig_node, addr, vlan,
BATADV_TT_CLIENT_TEMP,
atomic_read(&orig_node->last_ttvn)))
goto out;
@@ -2706,7 +2843,7 @@ static int batadv_roam_tvlv_unicast_handler_v1(struct batadv_priv *bat_priv,
src, roaming_adv->client);

batadv_tt_global_add(bat_priv, orig_node, roaming_adv->client,
- BATADV_TT_CLIENT_ROAM,
+ ntohs(roaming_adv->vid), BATADV_TT_CLIENT_ROAM,
atomic_read(&orig_node->last_ttvn) + 1);

out:
diff --git a/translation-table.h b/translation-table.h
index 015d8b9..1d9506d 100644
--- a/translation-table.h
+++ b/translation-table.h
@@ -22,10 +22,10 @@

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);
+ unsigned short vid, int ifindex);
uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv,
- const uint8_t *addr, const char *message,
- bool roaming);
+ const uint8_t *addr, unsigned short vid,
+ const char *message, bool roaming);
int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
@@ -33,18 +33,21 @@ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
const char *message);
struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
const uint8_t *src,
- const uint8_t *addr);
+ const uint8_t *addr,
+ unsigned short vid);
void batadv_tt_free(struct batadv_priv *bat_priv);
-bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
+bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr,
+ unsigned short vid);
bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
uint8_t *dst);
void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
- uint8_t *addr);
+ uint8_t *addr, unsigned short vid);
bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
- uint8_t *addr);
+ uint8_t *addr, unsigned short vid);
bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
- const unsigned char *addr);
+ const unsigned char *addr,
+ unsigned short vid);

#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
diff --git a/types.h b/types.h
index 304f3d0..7d8aa46 100644
--- a/types.h
+++ b/types.h
@@ -715,6 +715,7 @@ struct batadv_bla_claim {
/**
* struct batadv_tt_common_entry - tt local & tt global common data
* @addr: mac address of non-mesh client
+ * @vid: VLAN identifier
* @hash_entry: hlist node for batadv_priv_tt::local_hash or for
* batadv_priv_tt::global_hash
* @flags: various state handling flags (see batadv_tt_client_flags)
@@ -724,6 +725,7 @@ struct batadv_bla_claim {
*/
struct batadv_tt_common_entry {
uint8_t addr[ETH_ALEN];
+ unsigned short vid;
struct hlist_node hash_entry;
uint16_t flags;
unsigned long added_at;
--
1.8.1.5