struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_hard_iface *primary_if = NULL;
struct batadv_bcast_packet *bcast_packet;
- __be16 ethertype = htons(ETH_P_BATMAN);
static const u8 stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00,
0x00, 0x00};
static const u8 ectp_addr[ETH_ALEN] = {0xCF, 0x00, 0x00, 0x00,
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
- soft_iface->trans_start = jiffies;
+ netif_trans_update(soft_iface);
vid = batadv_get_vid(skb, 0);
ethhdr = eth_hdr(skb);
case ETH_P_8021Q:
vhdr = vlan_eth_hdr(skb);
- if (vhdr->h_vlan_encapsulated_proto != ethertype) {
+ /* drop batman-in-batman packets to prevent loops */
+ if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN)) {
network_offset += VLAN_HLEN;
break;
}
return NETDEV_TX_OK;
}
+/**
+ * batadv_interface_rx - receive ethernet frame on local batman-adv interface
+ * @soft_iface: local interface which will receive the ethernet frame
+ * @skb: ethernet frame for @soft_iface
+ * @hdr_size: size of already parsed batman-adv header
+ * @orig_node: originator from which the batman-adv packet was sent
+ *
+ * Sends a ethernet frame to the receive path of the local @soft_iface.
+ * skb->data has still point to the batman-adv header with the size @hdr_size.
+ * The caller has to have parsed this header already and made sure that at least
+ * @hdr_size bytes are still available for pull in @skb.
+ *
+ * The packet may still get dropped. This can happen when the encapsulated
+ * ethernet frame is invalid or contains again an batman-adv packet. Also
+ * unicast packets will be dropped directly when it was sent between two
+ * isolated clients.
+ */
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 sk_buff *skb, int hdr_size,
+ struct batadv_orig_node *orig_node)
{
struct batadv_bcast_packet *batadv_bcast_packet;
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;
batadv_bcast_packet = (struct batadv_bcast_packet *)skb->data;
is_bcast = (batadv_bcast_packet->packet_type == BATADV_BCAST);
- /* check if enough space is available for pulling, and pull */
- if (!pskb_may_pull(skb, hdr_size))
- goto dropped;
-
skb_pull_rcsum(skb, hdr_size);
skb_reset_mac_header(skb);
vhdr = (struct vlan_ethhdr *)skb->data;
- if (vhdr->h_vlan_encapsulated_proto != ethertype)
+ /* drop batman-in-batman packets to prevent loops */
+ if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN))
break;
/* fall through */
}
/**
- * batadv_create_vlan - allocate the needed resources for a new vlan
+ * batadv_softif_create_vlan - allocate the needed resources for a new vlan
* @bat_priv: the bat priv with all the soft interface information
* @vid: the VLAN identifier
*
struct net_device *slave_dev)
{
struct batadv_hard_iface *hard_iface;
+ struct net *net = dev_net(dev);
int ret = -EINVAL;
hard_iface = batadv_hardif_get_by_netdev(slave_dev);
if (!hard_iface || hard_iface->soft_iface)
goto out;
- ret = batadv_hardif_enable_interface(hard_iface, dev->name);
+ ret = batadv_hardif_enable_interface(hard_iface, net, dev->name);
out:
if (hard_iface)
dev->netdev_ops = &batadv_netdev_ops;
dev->destructor = batadv_softif_free;
- dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_NETNS_LOCAL;
dev->priv_flags |= IFF_NO_QUEUE;
/* can't call min_mtu, because the needed variables
memset(priv, 0, sizeof(*priv));
}
-struct net_device *batadv_softif_create(const char *name)
+struct net_device *batadv_softif_create(struct net *net, const char *name)
{
struct net_device *soft_iface;
int ret;
if (!soft_iface)
return NULL;
+ dev_net_set(soft_iface, net);
+
soft_iface->rtnl_link_ops = &batadv_link_ops;
ret = register_netdevice(soft_iface);
static void batadv_softif_destroy_netlink(struct net_device *soft_iface,
struct list_head *head)
{
+ struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct batadv_hard_iface *hard_iface;
+ struct batadv_softif_vlan *vlan;
list_for_each_entry(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface == soft_iface)
BATADV_IF_CLEANUP_KEEP);
}
+ /* destroy the "untagged" VLAN */
+ vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
+ if (vlan) {
+ batadv_softif_destroy_vlan(bat_priv, vlan);
+ batadv_softif_vlan_put(vlan);
+ }
+
batadv_sysfs_del_meshif(soft_iface);
unregister_netdevice_queue(soft_iface, head);
}
-int batadv_softif_is_valid(const struct net_device *net_dev)
+bool batadv_softif_is_valid(const struct net_device *net_dev)
{
if (net_dev->netdev_ops->ndo_start_xmit == batadv_interface_tx)
- return 1;
+ return true;
- return 0;
+ return false;
}
struct rtnl_link_ops batadv_link_ops __read_mostly = {
projects / cascardo / linux.git / blobdiff