| /* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors: |
| * |
| * Marek Lindner, Simon Wunderlich |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2 of the GNU General Public |
| * License as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "main.h" |
| |
| #include <linux/atomic.h> |
| #include <linux/bug.h> |
| #include <linux/byteorder/generic.h> |
| #include <linux/crc32c.h> |
| #include <linux/errno.h> |
| #include <linux/fs.h> |
| #include <linux/if_ether.h> |
| #include <linux/if_vlan.h> |
| #include <linux/init.h> |
| #include <linux/ip.h> |
| #include <linux/ipv6.h> |
| #include <linux/kernel.h> |
| #include <linux/kref.h> |
| #include <linux/list.h> |
| #include <linux/module.h> |
| #include <linux/netdevice.h> |
| #include <linux/printk.h> |
| #include <linux/rculist.h> |
| #include <linux/rcupdate.h> |
| #include <linux/seq_file.h> |
| #include <linux/skbuff.h> |
| #include <linux/spinlock.h> |
| #include <linux/stddef.h> |
| #include <linux/string.h> |
| #include <linux/workqueue.h> |
| #include <net/dsfield.h> |
| #include <net/rtnetlink.h> |
| |
| #include "bat_algo.h" |
| #include "bat_iv_ogm.h" |
| #include "bat_v.h" |
| #include "bridge_loop_avoidance.h" |
| #include "debugfs.h" |
| #include "distributed-arp-table.h" |
| #include "gateway_client.h" |
| #include "gateway_common.h" |
| #include "hard-interface.h" |
| #include "icmp_socket.h" |
| #include "log.h" |
| #include "multicast.h" |
| #include "netlink.h" |
| #include "network-coding.h" |
| #include "originator.h" |
| #include "packet.h" |
| #include "routing.h" |
| #include "send.h" |
| #include "soft-interface.h" |
| #include "tp_meter.h" |
| #include "translation-table.h" |
| |
| /* List manipulations on hardif_list have to be rtnl_lock()'ed, |
| * list traversals just rcu-locked |
| */ |
| struct list_head batadv_hardif_list; |
| static int (*batadv_rx_handler[256])(struct sk_buff *, |
| struct batadv_hard_iface *); |
| |
| unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| |
| struct workqueue_struct *batadv_event_workqueue; |
| |
| static void batadv_recv_handler_init(void); |
| |
| static int __init batadv_init(void) |
| { |
| INIT_LIST_HEAD(&batadv_hardif_list); |
| batadv_algo_init(); |
| |
| batadv_recv_handler_init(); |
| |
| batadv_v_init(); |
| batadv_iv_init(); |
| batadv_nc_init(); |
| batadv_tp_meter_init(); |
| |
| batadv_event_workqueue = create_singlethread_workqueue("bat_events"); |
| |
| if (!batadv_event_workqueue) |
| return -ENOMEM; |
| |
| batadv_socket_init(); |
| batadv_debugfs_init(); |
| |
| register_netdevice_notifier(&batadv_hard_if_notifier); |
| rtnl_link_register(&batadv_link_ops); |
| batadv_netlink_register(); |
| |
| pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n", |
| BATADV_SOURCE_VERSION, BATADV_COMPAT_VERSION); |
| |
| return 0; |
| } |
| |
| static void __exit batadv_exit(void) |
| { |
| batadv_debugfs_destroy(); |
| batadv_netlink_unregister(); |
| rtnl_link_unregister(&batadv_link_ops); |
| unregister_netdevice_notifier(&batadv_hard_if_notifier); |
| batadv_hardif_remove_interfaces(); |
| |
| flush_workqueue(batadv_event_workqueue); |
| destroy_workqueue(batadv_event_workqueue); |
| batadv_event_workqueue = NULL; |
| |
| rcu_barrier(); |
| } |
| |
| int batadv_mesh_init(struct net_device *soft_iface) |
| { |
| struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
| int ret; |
| |
| spin_lock_init(&bat_priv->forw_bat_list_lock); |
| spin_lock_init(&bat_priv->forw_bcast_list_lock); |
| spin_lock_init(&bat_priv->tt.changes_list_lock); |
| spin_lock_init(&bat_priv->tt.req_list_lock); |
| spin_lock_init(&bat_priv->tt.roam_list_lock); |
| spin_lock_init(&bat_priv->tt.last_changeset_lock); |
| spin_lock_init(&bat_priv->tt.commit_lock); |
| spin_lock_init(&bat_priv->gw.list_lock); |
| #ifdef CONFIG_BATMAN_ADV_MCAST |
| spin_lock_init(&bat_priv->mcast.want_lists_lock); |
| #endif |
| spin_lock_init(&bat_priv->tvlv.container_list_lock); |
| spin_lock_init(&bat_priv->tvlv.handler_list_lock); |
| spin_lock_init(&bat_priv->softif_vlan_list_lock); |
| spin_lock_init(&bat_priv->tp_list_lock); |
| |
| INIT_HLIST_HEAD(&bat_priv->forw_bat_list); |
| INIT_HLIST_HEAD(&bat_priv->forw_bcast_list); |
| INIT_HLIST_HEAD(&bat_priv->gw.list); |
| #ifdef CONFIG_BATMAN_ADV_MCAST |
| INIT_HLIST_HEAD(&bat_priv->mcast.want_all_unsnoopables_list); |
| INIT_HLIST_HEAD(&bat_priv->mcast.want_all_ipv4_list); |
| INIT_HLIST_HEAD(&bat_priv->mcast.want_all_ipv6_list); |
| #endif |
| INIT_LIST_HEAD(&bat_priv->tt.changes_list); |
| INIT_HLIST_HEAD(&bat_priv->tt.req_list); |
| INIT_LIST_HEAD(&bat_priv->tt.roam_list); |
| #ifdef CONFIG_BATMAN_ADV_MCAST |
| INIT_HLIST_HEAD(&bat_priv->mcast.mla_list); |
| #endif |
| INIT_HLIST_HEAD(&bat_priv->tvlv.container_list); |
| INIT_HLIST_HEAD(&bat_priv->tvlv.handler_list); |
| INIT_HLIST_HEAD(&bat_priv->softif_vlan_list); |
| INIT_HLIST_HEAD(&bat_priv->tp_list); |
| |
| ret = batadv_v_mesh_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| ret = batadv_originator_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| ret = batadv_tt_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| ret = batadv_bla_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| ret = batadv_dat_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| ret = batadv_nc_mesh_init(bat_priv); |
| if (ret < 0) |
| goto err; |
| |
| batadv_gw_init(bat_priv); |
| batadv_mcast_init(bat_priv); |
| |
| atomic_set(&bat_priv->gw.reselect, 0); |
| atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE); |
| |
| return 0; |
| |
| err: |
| batadv_mesh_free(soft_iface); |
| return ret; |
| } |
| |
| void batadv_mesh_free(struct net_device *soft_iface) |
| { |
| struct batadv_priv *bat_priv = netdev_priv(soft_iface); |
| |
| atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING); |
| |
| batadv_purge_outstanding_packets(bat_priv, NULL); |
| |
| batadv_gw_node_free(bat_priv); |
| |
| batadv_v_mesh_free(bat_priv); |
| batadv_nc_mesh_free(bat_priv); |
| batadv_dat_free(bat_priv); |
| batadv_bla_free(bat_priv); |
| |
| batadv_mcast_free(bat_priv); |
| |
| /* Free the TT and the originator tables only after having terminated |
| * all the other depending components which may use these structures for |
| * their purposes. |
| */ |
| batadv_tt_free(bat_priv); |
| |
| /* Since the originator table clean up routine is accessing the TT |
| * tables as well, it has to be invoked after the TT tables have been |
| * freed and marked as empty. This ensures that no cleanup RCU callbacks |
| * accessing the TT data are scheduled for later execution. |
| */ |
| batadv_originator_free(bat_priv); |
| |
| batadv_gw_free(bat_priv); |
| |
| free_percpu(bat_priv->bat_counters); |
| bat_priv->bat_counters = NULL; |
| |
| atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); |
| } |
| |
| /** |
| * batadv_is_my_mac - check if the given mac address belongs to any of the real |
| * interfaces in the current mesh |
| * @bat_priv: the bat priv with all the soft interface information |
| * @addr: the address to check |
| * |
| * Return: 'true' if the mac address was found, false otherwise. |
| */ |
| bool batadv_is_my_mac(struct batadv_priv *bat_priv, const u8 *addr) |
| { |
| const struct batadv_hard_iface *hard_iface; |
| bool is_my_mac = false; |
| |
| rcu_read_lock(); |
| list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { |
| if (hard_iface->if_status != BATADV_IF_ACTIVE) |
| continue; |
| |
| if (hard_iface->soft_iface != bat_priv->soft_iface) |
| continue; |
| |
| if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) { |
| is_my_mac = true; |
| break; |
| } |
| } |
| rcu_read_unlock(); |
| return is_my_mac; |
| } |
| |
| /** |
| * batadv_seq_print_text_primary_if_get - called from debugfs table printing |
| * function that requires the primary interface |
| * @seq: debugfs table seq_file struct |
| * |
| * Return: primary interface if found or NULL otherwise. |
| */ |
| struct batadv_hard_iface * |
| batadv_seq_print_text_primary_if_get(struct seq_file *seq) |
| { |
| struct net_device *net_dev = (struct net_device *)seq->private; |
| struct batadv_priv *bat_priv = netdev_priv(net_dev); |
| struct batadv_hard_iface *primary_if; |
| |
| primary_if = batadv_primary_if_get_selected(bat_priv); |
| |
| if (!primary_if) { |
| seq_printf(seq, |
| "BATMAN mesh %s disabled - please specify interfaces to enable it\n", |
| net_dev->name); |
| goto out; |
| } |
| |
| if (primary_if->if_status == BATADV_IF_ACTIVE) |
| goto out; |
| |
| seq_printf(seq, |
| "BATMAN mesh %s disabled - primary interface not active\n", |
| net_dev->name); |
| batadv_hardif_put(primary_if); |
| primary_if = NULL; |
| |
| out: |
| return primary_if; |
| } |
| |
| /** |
| * batadv_max_header_len - calculate maximum encapsulation overhead for a |
| * payload packet |
| * |
| * Return: the maximum encapsulation overhead in bytes. |
| */ |
| int batadv_max_header_len(void) |
| { |
| int header_len = 0; |
| |
| header_len = max_t(int, header_len, |
| sizeof(struct batadv_unicast_packet)); |
| header_len = max_t(int, header_len, |
| sizeof(struct batadv_unicast_4addr_packet)); |
| header_len = max_t(int, header_len, |
| sizeof(struct batadv_bcast_packet)); |
| |
| #ifdef CONFIG_BATMAN_ADV_NC |
| header_len = max_t(int, header_len, |
| sizeof(struct batadv_coded_packet)); |
| #endif |
| |
| return header_len + ETH_HLEN; |
| } |
| |
| /** |
| * batadv_skb_set_priority - sets skb priority according to packet content |
| * @skb: the packet to be sent |
| * @offset: offset to the packet content |
| * |
| * This function sets a value between 256 and 263 (802.1d priority), which |
| * can be interpreted by the cfg80211 or other drivers. |
| */ |
| void batadv_skb_set_priority(struct sk_buff *skb, int offset) |
| { |
| struct iphdr ip_hdr_tmp, *ip_hdr; |
| struct ipv6hdr ip6_hdr_tmp, *ip6_hdr; |
| struct ethhdr ethhdr_tmp, *ethhdr; |
| struct vlan_ethhdr *vhdr, vhdr_tmp; |
| u32 prio; |
| |
| /* already set, do nothing */ |
| if (skb->priority >= 256 && skb->priority <= 263) |
| return; |
| |
| ethhdr = skb_header_pointer(skb, offset, sizeof(*ethhdr), ðhdr_tmp); |
| if (!ethhdr) |
| return; |
| |
| switch (ethhdr->h_proto) { |
| case htons(ETH_P_8021Q): |
| vhdr = skb_header_pointer(skb, offset + sizeof(*vhdr), |
| sizeof(*vhdr), &vhdr_tmp); |
| if (!vhdr) |
| return; |
| prio = ntohs(vhdr->h_vlan_TCI) & VLAN_PRIO_MASK; |
| prio = prio >> VLAN_PRIO_SHIFT; |
| break; |
| case htons(ETH_P_IP): |
| ip_hdr = skb_header_pointer(skb, offset + sizeof(*ethhdr), |
| sizeof(*ip_hdr), &ip_hdr_tmp); |
| if (!ip_hdr) |
| return; |
| prio = (ipv4_get_dsfield(ip_hdr) & 0xfc) >> 5; |
| break; |
| case htons(ETH_P_IPV6): |
| ip6_hdr = skb_header_pointer(skb, offset + sizeof(*ethhdr), |
| sizeof(*ip6_hdr), &ip6_hdr_tmp); |
| if (!ip6_hdr) |
| return; |
| prio = (ipv6_get_dsfield(ip6_hdr) & 0xfc) >> 5; |
| break; |
| default: |
| return; |
| } |
| |
| skb->priority = prio + 256; |
| } |
| |
| static int batadv_recv_unhandled_packet(struct sk_buff *skb, |
| struct batadv_hard_iface *recv_if) |
| { |
| return NET_RX_DROP; |
| } |
| |
| /* incoming packets with the batman ethertype received on any active hard |
| * interface |
| */ |
| int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, |
| struct packet_type *ptype, |
| struct net_device *orig_dev) |
| { |
| struct batadv_priv *bat_priv; |
| struct batadv_ogm_packet *batadv_ogm_packet; |
| struct batadv_hard_iface *hard_iface; |
| u8 idx; |
| int ret; |
| |
| hard_iface = container_of(ptype, struct batadv_hard_iface, |
| batman_adv_ptype); |
| |
| /* Prevent processing a packet received on an interface which is getting |
| * shut down otherwise the packet may trigger de-reference errors |
| * further down in the receive path. |
| */ |
| if (!kref_get_unless_zero(&hard_iface->refcount)) |
| goto err_out; |
| |
| skb = skb_share_check(skb, GFP_ATOMIC); |
| |
| /* skb was released by skb_share_check() */ |
| if (!skb) |
| goto err_put; |
| |
| /* packet should hold at least type and version */ |
| if (unlikely(!pskb_may_pull(skb, 2))) |
| goto err_free; |
| |
| /* expect a valid ethernet header here. */ |
| if (unlikely(skb->mac_len != ETH_HLEN || !skb_mac_header(skb))) |
| goto err_free; |
| |
| if (!hard_iface->soft_iface) |
| goto err_free; |
| |
| bat_priv = netdev_priv(hard_iface->soft_iface); |
| |
| if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) |
| goto err_free; |
| |
| /* discard frames on not active interfaces */ |
| if (hard_iface->if_status != BATADV_IF_ACTIVE) |
| goto err_free; |
| |
| batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data; |
| |
| if (batadv_ogm_packet->version != BATADV_COMPAT_VERSION) { |
| batadv_dbg(BATADV_DBG_BATMAN, bat_priv, |
| "Drop packet: incompatible batman version (%i)\n", |
| batadv_ogm_packet->version); |
| goto err_free; |
| } |
| |
| /* reset control block to avoid left overs from previous users */ |
| memset(skb->cb, 0, sizeof(struct batadv_skb_cb)); |
| |
| /* all receive handlers return whether they received or reused |
| * the supplied skb. if not, we have to free the skb. |
| */ |
| idx = batadv_ogm_packet->packet_type; |
| ret = (*batadv_rx_handler[idx])(skb, hard_iface); |
| |
| if (ret == NET_RX_DROP) |
| kfree_skb(skb); |
| |
| batadv_hardif_put(hard_iface); |
| |
| /* return NET_RX_SUCCESS in any case as we |
| * most probably dropped the packet for |
| * routing-logical reasons. |
| */ |
| return NET_RX_SUCCESS; |
| |
| err_free: |
| kfree_skb(skb); |
| err_put: |
| batadv_hardif_put(hard_iface); |
| err_out: |
| return NET_RX_DROP; |
| } |
| |
| static void batadv_recv_handler_init(void) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(batadv_rx_handler); i++) |
| batadv_rx_handler[i] = batadv_recv_unhandled_packet; |
| |
| for (i = BATADV_UNICAST_MIN; i <= BATADV_UNICAST_MAX; i++) |
| batadv_rx_handler[i] = batadv_recv_unhandled_unicast_packet; |
| |
| /* compile time checks for sizes */ |
| BUILD_BUG_ON(sizeof(struct batadv_bla_claim_dst) != 6); |
| BUILD_BUG_ON(sizeof(struct batadv_ogm_packet) != 24); |
| BUILD_BUG_ON(sizeof(struct batadv_icmp_header) != 20); |
| BUILD_BUG_ON(sizeof(struct batadv_icmp_packet) != 20); |
| BUILD_BUG_ON(sizeof(struct batadv_icmp_packet_rr) != 116); |
| BUILD_BUG_ON(sizeof(struct batadv_unicast_packet) != 10); |
| BUILD_BUG_ON(sizeof(struct batadv_unicast_4addr_packet) != 18); |
| BUILD_BUG_ON(sizeof(struct batadv_frag_packet) != 20); |
| BUILD_BUG_ON(sizeof(struct batadv_bcast_packet) != 14); |
| BUILD_BUG_ON(sizeof(struct batadv_coded_packet) != 46); |
| BUILD_BUG_ON(sizeof(struct batadv_unicast_tvlv_packet) != 20); |
| BUILD_BUG_ON(sizeof(struct batadv_tvlv_hdr) != 4); |
| BUILD_BUG_ON(sizeof(struct batadv_tvlv_gateway_data) != 8); |
| BUILD_BUG_ON(sizeof(struct batadv_tvlv_tt_vlan_data) != 8); |
| BUILD_BUG_ON(sizeof(struct batadv_tvlv_tt_change) != 12); |
| BUILD_BUG_ON(sizeof(struct batadv_tvlv_roam_adv) != 8); |
| |
| /* broadcast packet */ |
| batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet; |
| |
| /* unicast packets ... */ |
| /* unicast with 4 addresses packet */ |
| batadv_rx_handler[BATADV_UNICAST_4ADDR] = batadv_recv_unicast_packet; |
| /* unicast packet */ |
| batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet; |
| /* unicast tvlv packet */ |
| batadv_rx_handler[BATADV_UNICAST_TVLV] = batadv_recv_unicast_tvlv; |
| /* batman icmp packet */ |
| batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet; |
| /* Fragmented packets */ |
| batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_frag_packet; |
| } |
| |
| int |
| batadv_recv_handler_register(u8 packet_type, |
| int (*recv_handler)(struct sk_buff *, |
| struct batadv_hard_iface *)) |
| { |
| int (*curr)(struct sk_buff *, |
| struct batadv_hard_iface *); |
| curr = batadv_rx_handler[packet_type]; |
| |
| if ((curr != batadv_recv_unhandled_packet) && |
| (curr != batadv_recv_unhandled_unicast_packet)) |
| return -EBUSY; |
| |
| batadv_rx_handler[packet_type] = recv_handler; |
| return 0; |
| } |
| |
| void batadv_recv_handler_unregister(u8 packet_type) |
| { |
| batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet; |
| } |
| |
| /** |
| * batadv_skb_crc32 - calculate CRC32 of the whole packet and skip bytes in |
| * the header |
| * @skb: skb pointing to fragmented socket buffers |
| * @payload_ptr: Pointer to position inside the head buffer of the skb |
| * marking the start of the data to be CRC'ed |
| * |
| * payload_ptr must always point to an address in the skb head buffer and not to |
| * a fragment. |
| * |
| * Return: big endian crc32c of the checksummed data |
| */ |
| __be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr) |
| { |
| u32 crc = 0; |
| unsigned int from; |
| unsigned int to = skb->len; |
| struct skb_seq_state st; |
| const u8 *data; |
| unsigned int len; |
| unsigned int consumed = 0; |
| |
| from = (unsigned int)(payload_ptr - skb->data); |
| |
| skb_prepare_seq_read(skb, from, to, &st); |
| while ((len = skb_seq_read(consumed, &data, &st)) != 0) { |
| crc = crc32c(crc, data, len); |
| consumed += len; |
| } |
| |
| return htonl(crc); |
| } |
| |
| /** |
| * 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 header |
| * |
| * Return: VID with the BATADV_VLAN_HAS_TAG flag when the packet embedded in the |
| * skb is vlan tagged. Otherwise 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; |
| } |
| |
| /** |
| * batadv_vlan_ap_isola_get - return the AP isolation status for the given vlan |
| * @bat_priv: the bat priv with all the soft interface information |
| * @vid: the VLAN identifier for which the AP isolation attributed as to be |
| * looked up |
| * |
| * Return: true if AP isolation is on for the VLAN idenfied by vid, false |
| * otherwise |
| */ |
| bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid) |
| { |
| bool ap_isolation_enabled = false; |
| struct batadv_softif_vlan *vlan; |
| |
| /* if the AP isolation is requested on a VLAN, then check for its |
| * setting in the proper VLAN private data structure |
| */ |
| vlan = batadv_softif_vlan_get(bat_priv, vid); |
| if (vlan) { |
| ap_isolation_enabled = atomic_read(&vlan->ap_isolation); |
| batadv_softif_vlan_put(vlan); |
| } |
| |
| return ap_isolation_enabled; |
| } |
| |
| module_init(batadv_init); |
| module_exit(batadv_exit); |
| |
| MODULE_LICENSE("GPL"); |
| |
| MODULE_AUTHOR(BATADV_DRIVER_AUTHOR); |
| MODULE_DESCRIPTION(BATADV_DRIVER_DESC); |
| MODULE_SUPPORTED_DEVICE(BATADV_DRIVER_DEVICE); |
| MODULE_VERSION(BATADV_SOURCE_VERSION); |
| MODULE_ALIAS_RTNL_LINK("batadv"); |