--- /dev/null
+/* Copyright (C) 2007-2014 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 "distributed-arp-table.h"
+#include "send.h"
+#include "routing.h"
+#include "translation-table.h"
+#include "soft-interface.h"
+#include "hard-interface.h"
+#include "gateway_common.h"
+#include "gateway_client.h"
+#include "originator.h"
+#include "network-coding.h"
+#include "fragmentation.h"
+#include "multicast.h"
+
+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 batadv_hard_iface *hard_iface,
+ const uint8_t *dst_addr)
+{
+ struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
+ struct ethhdr *ethhdr;
+
+ if (hard_iface->if_status != BATADV_IF_ACTIVE)
+ goto send_skb_err;
+
+ if (unlikely(!hard_iface->net_dev))
+ goto send_skb_err;
+
+ if (!(hard_iface->net_dev->flags & IFF_UP)) {
+ pr_warn("Interface %s is not up - can't send packet via that interface!\n",
+ hard_iface->net_dev->name);
+ goto send_skb_err;
+ }
+
+ /* push to the ethernet header. */
+ if (batadv_skb_head_push(skb, ETH_HLEN) < 0)
+ goto send_skb_err;
+
+ skb_reset_mac_header(skb);
+
+ ethhdr = eth_hdr(skb);
+ ether_addr_copy(ethhdr->h_source, hard_iface->net_dev->dev_addr);
+ ether_addr_copy(ethhdr->h_dest, dst_addr);
+ ethhdr->h_proto = htons(ETH_P_BATMAN);
+
+ skb_set_network_header(skb, ETH_HLEN);
+ skb->protocol = htons(ETH_P_BATMAN);
+
+ skb->dev = hard_iface->net_dev;
+
+ /* Save a clone of the skb to use when decoding coded packets */
+ batadv_nc_skb_store_for_decoding(bat_priv, skb);
+
+ /* dev_queue_xmit() returns a negative result on error. However on
+ * congestion and traffic shaping, it drops and returns NET_XMIT_DROP
+ * (which is > 0). This will not be treated as an error.
+ */
+ return dev_queue_xmit(skb);
+send_skb_err:
+ kfree_skb(skb);
+ return NET_XMIT_DROP;
+}
+
+/**
+ * batadv_send_skb_to_orig - Lookup next-hop and transmit skb.
+ * @skb: Packet to be transmitted.
+ * @orig_node: Final destination of the packet.
+ * @recv_if: Interface used when receiving the packet (can be NULL).
+ *
+ * Looks up the best next-hop towards the passed originator and passes the
+ * skb on for preparation of MAC header. If the packet originated from this
+ * host, NULL can be passed as recv_if and no interface alternating is
+ * attempted.
+ *
+ * Returns NET_XMIT_SUCCESS on success, NET_XMIT_DROP on failure, or
+ * NET_XMIT_POLICED if the skb is buffered for later transmit.
+ */
+int batadv_send_skb_to_orig(struct sk_buff *skb,
+ struct batadv_orig_node *orig_node,
+ struct batadv_hard_iface *recv_if)
+{
+ struct batadv_priv *bat_priv = orig_node->bat_priv;
+ struct batadv_neigh_node *neigh_node;
+ int ret = NET_XMIT_DROP;
+
+ /* batadv_find_router() increases neigh_nodes refcount if found. */
+ neigh_node = batadv_find_router(bat_priv, orig_node, recv_if);
+ if (!neigh_node)
+ goto out;
+
+ /* Check if the skb is too large to send in one piece and fragment
+ * it if needed.
+ */
+ if (atomic_read(&bat_priv->fragmentation) &&
+ skb->len > neigh_node->if_incoming->net_dev->mtu) {
+ /* Fragment and send packet. */
+ if (batadv_frag_send_packet(skb, orig_node, neigh_node))
+ ret = NET_XMIT_SUCCESS;
+
+ goto out;
+ }
+
+ /* try to network code the packet, if it is received on an interface
+ * (i.e. being forwarded). If the packet originates from this node or if
+ * network coding fails, then send the packet as usual.
+ */
+ if (recv_if && batadv_nc_skb_forward(skb, neigh_node)) {
+ ret = NET_XMIT_POLICED;
+ } else {
+ batadv_send_skb_packet(skb, neigh_node->if_incoming,
+ neigh_node->addr);
+ ret = NET_XMIT_SUCCESS;
+ }
+
+out:
+ if (neigh_node)
+ batadv_neigh_node_free_ref(neigh_node);
+
+ return ret;
+}
+
+/**
+ * batadv_send_skb_push_fill_unicast - extend the buffer and initialize the
+ * common fields for unicast packets
+ * @skb: the skb carrying the unicast header to initialize
+ * @hdr_size: amount of bytes to push at the beginning of the skb
+ * @orig_node: the destination node
+ *
+ * Returns false if the buffer extension was not possible or true otherwise.
+ */
+static bool
+batadv_send_skb_push_fill_unicast(struct sk_buff *skb, int hdr_size,
+ struct batadv_orig_node *orig_node)
+{
+ struct batadv_unicast_packet *unicast_packet;
+ uint8_t ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
+
+ if (batadv_skb_head_push(skb, hdr_size) < 0)
+ return false;
+
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
+ unicast_packet->version = BATADV_COMPAT_VERSION;
+ /* batman packet type: unicast */
+ unicast_packet->packet_type = BATADV_UNICAST;
+ /* set unicast ttl */
+ unicast_packet->ttl = BATADV_TTL;
+ /* copy the destination for faster routing */
+ ether_addr_copy(unicast_packet->dest, orig_node->orig);
+ /* set the destination tt version number */
+ unicast_packet->ttvn = ttvn;
+
+ return true;
+}
+
+/**
+ * batadv_send_skb_prepare_unicast - encapsulate an skb with a unicast header
+ * @skb: the skb containing the payload to encapsulate
+ * @orig_node: the destination node
+ *
+ * Returns false if the payload could not be encapsulated or true otherwise.
+ */
+static bool batadv_send_skb_prepare_unicast(struct sk_buff *skb,
+ struct batadv_orig_node *orig_node)
+{
+ size_t uni_size = sizeof(struct batadv_unicast_packet);
+
+ return batadv_send_skb_push_fill_unicast(skb, uni_size, orig_node);
+}
+
+/**
+ * batadv_send_skb_prepare_unicast_4addr - encapsulate an skb with a
+ * unicast 4addr header
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: the skb containing the payload to encapsulate
+ * @orig_node: the destination node
+ * @packet_subtype: the unicast 4addr packet subtype to use
+ *
+ * Returns false if the payload could not be encapsulated or true otherwise.
+ */
+bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
+ struct sk_buff *skb,
+ struct batadv_orig_node *orig,
+ int packet_subtype)
+{
+ struct batadv_hard_iface *primary_if;
+ struct batadv_unicast_4addr_packet *uc_4addr_packet;
+ bool ret = false;
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
+ /* Pull the header space and fill the unicast_packet substructure.
+ * We can do that because the first member of the uc_4addr_packet
+ * is of type struct unicast_packet
+ */
+ if (!batadv_send_skb_push_fill_unicast(skb, sizeof(*uc_4addr_packet),
+ orig))
+ goto out;
+
+ uc_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data;
+ uc_4addr_packet->u.packet_type = BATADV_UNICAST_4ADDR;
+ ether_addr_copy(uc_4addr_packet->src, primary_if->net_dev->dev_addr);
+ uc_4addr_packet->subtype = packet_subtype;
+ uc_4addr_packet->reserved = 0;
+
+ ret = true;
+out:
+ if (primary_if)
+ batadv_hardif_free_ref(primary_if);
+ return ret;
+}
+
+/**
+ * batadv_send_skb_unicast - encapsulate and send an skb via unicast
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: payload to send
+ * @packet_type: the batman unicast packet type to use
+ * @packet_subtype: the unicast 4addr packet subtype (only relevant for unicast
+ * 4addr packets)
+ * @orig_node: the originator to send the packet to
+ * @vid: the vid to be used to search the translation table
+ *
+ * Wrap the given skb into a batman-adv unicast or unicast-4addr header
+ * depending on whether BATADV_UNICAST or BATADV_UNICAST_4ADDR was supplied
+ * as packet_type. Then send this frame to the given orig_node and release a
+ * reference to this orig_node.
+ *
+ * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
+ */
+int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
+ struct sk_buff *skb, int packet_type,
+ int packet_subtype,
+ struct batadv_orig_node *orig_node,
+ unsigned short vid)
+{
+ struct ethhdr *ethhdr;
+ struct batadv_unicast_packet *unicast_packet;
+ int ret = NET_XMIT_DROP;
+
+ if (!orig_node)
+ goto out;
+
+ switch (packet_type) {
+ case BATADV_UNICAST:
+ if (!batadv_send_skb_prepare_unicast(skb, orig_node))
+ goto out;
+ break;
+ case BATADV_UNICAST_4ADDR:
+ if (!batadv_send_skb_prepare_unicast_4addr(bat_priv, skb,
+ orig_node,
+ packet_subtype))
+ goto out;
+ break;
+ default:
+ /* this function supports UNICAST and UNICAST_4ADDR only. It
+ * should never be invoked with any other packet type
+ */
+ goto out;
+ }
+
+ /* skb->data might have been reallocated by
+ * batadv_send_skb_prepare_unicast{,_4addr}()
+ */
+ ethhdr = eth_hdr(skb);
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
+
+ /* inform the destination node that we are still missing a correct route
+ * for this client. The destination will receive this packet and will
+ * 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, vid))
+ unicast_packet->ttvn = unicast_packet->ttvn - 1;
+
+ if (batadv_send_skb_to_orig(skb, orig_node, NULL) != NET_XMIT_DROP)
+ ret = NET_XMIT_SUCCESS;
+
+out:
+ if (orig_node)
+ batadv_orig_node_free_ref(orig_node);
+ if (ret == NET_XMIT_DROP)
+ kfree_skb(skb);
+ return ret;
+}
+
+/**
+ * batadv_send_skb_via_tt_generic - send an skb via TT lookup
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: payload to send
+ * @packet_type: the batman unicast packet type to use
+ * @packet_subtype: the unicast 4addr packet subtype (only relevant for unicast
+ * 4addr packets)
+ * @dst_hint: can be used to override the destination contained in the skb
+ * @vid: the vid to be used to search the translation table
+ *
+ * Look up the recipient node for the destination address in the ethernet
+ * header via the translation table. Wrap the given skb into a batman-adv
+ * unicast or unicast-4addr header depending on whether BATADV_UNICAST or
+ * BATADV_UNICAST_4ADDR was supplied as packet_type. Then send this frame
+ * to the according destination node.
+ *
+ * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
+ */
+int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
+ struct sk_buff *skb, int packet_type,
+ int packet_subtype, uint8_t *dst_hint,
+ unsigned short vid)
+{
+ struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
+ struct batadv_orig_node *orig_node;
+ uint8_t *src, *dst;
+
+ src = ethhdr->h_source;
+ dst = ethhdr->h_dest;
+
+ /* if we got an hint! let's send the packet to this client (if any) */
+ if (dst_hint) {
+ src = NULL;
+ dst = dst_hint;
+ }
+ orig_node = batadv_transtable_search(bat_priv, src, dst, vid);
+
+ return batadv_send_skb_unicast(bat_priv, skb, packet_type,
+ packet_subtype, orig_node, vid);
+}
+
+/**
+ * batadv_send_skb_via_gw - send an skb via gateway lookup
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: payload to send
+ * @vid: the vid to be used to search the translation table
+ *
+ * Look up the currently selected gateway. Wrap the given skb into a batman-adv
+ * unicast header and send this frame to this gateway node.
+ *
+ * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
+ */
+int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
+ unsigned short vid)
+{
+ struct batadv_orig_node *orig_node;
+
+ orig_node = batadv_gw_get_selected_orig(bat_priv);
+ return batadv_send_skb_unicast(bat_priv, skb, BATADV_UNICAST, 0,
+ orig_node, vid);
+}
+
+void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface)
+{
+ struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
+
+ 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
+ * the moment of activating the interface in
+ * hardif_activate_interface() where the originator mac is set and
+ * outdated packets (especially uninitialized mac addresses) in the
+ * packet queue
+ */
+ 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 batadv_forw_packet *forw_packet)
+{
+ if (forw_packet->skb)
+ kfree_skb(forw_packet->skb);
+ if (forw_packet->if_incoming)
+ batadv_hardif_free_ref(forw_packet->if_incoming);
+ if (forw_packet->if_outgoing)
+ batadv_hardif_free_ref(forw_packet->if_outgoing);
+ kfree(forw_packet);
+}
+
+static void
+_batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
+ struct batadv_forw_packet *forw_packet,
+ unsigned long send_time)
+{
+ /* add new packet to packet list */
+ spin_lock_bh(&bat_priv->forw_bcast_list_lock);
+ hlist_add_head(&forw_packet->list, &bat_priv->forw_bcast_list);
+ spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
+
+ /* start timer for this packet */
+ queue_delayed_work(batadv_event_workqueue, &forw_packet->delayed_work,
+ send_time);
+}
+
+/* add a broadcast packet to the queue and setup timers. broadcast packets
+ * are sent multiple times to increase probability for being received.
+ *
+ * This function returns NETDEV_TX_OK on success and NETDEV_TX_BUSY on
+ * errors.
+ *
+ * The skb is not consumed, so the caller should make sure that the
+ * skb is freed.
+ */
+int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
+ const struct sk_buff *skb,
+ unsigned long delay)
+{
+ 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(BATADV_DBG_BATMAN, bat_priv,
+ "bcast packet queue full\n");
+ goto out;
+ }
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out_and_inc;
+
+ forw_packet = kmalloc(sizeof(*forw_packet), GFP_ATOMIC);
+
+ if (!forw_packet)
+ goto out_and_inc;
+
+ newskb = skb_copy(skb, GFP_ATOMIC);
+ if (!newskb)
+ goto packet_free;
+
+ /* as we have a copy now, it is safe to decrease the TTL */
+ bcast_packet = (struct batadv_bcast_packet *)newskb->data;
+ bcast_packet->ttl--;
+
+ skb_reset_mac_header(newskb);
+
+ forw_packet->skb = newskb;
+ forw_packet->if_incoming = primary_if;
+ forw_packet->if_outgoing = NULL;
+
+ /* how often did we send the bcast packet ? */
+ forw_packet->num_packets = 0;
+
+ INIT_DELAYED_WORK(&forw_packet->delayed_work,
+ batadv_send_outstanding_bcast_packet);
+
+ _batadv_add_bcast_packet_to_list(bat_priv, forw_packet, delay);
+ return NETDEV_TX_OK;
+
+packet_free:
+ kfree(forw_packet);
+out_and_inc:
+ atomic_inc(&bat_priv->bcast_queue_left);
+out:
+ if (primary_if)
+ batadv_hardif_free_ref(primary_if);
+ return NETDEV_TX_BUSY;
+}
+
+static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
+{
+ struct batadv_hard_iface *hard_iface;
+ struct delayed_work *delayed_work;
+ struct batadv_forw_packet *forw_packet;
+ struct sk_buff *skb1;
+ struct net_device *soft_iface;
+ struct batadv_priv *bat_priv;
+
+ delayed_work = container_of(work, struct delayed_work, work);
+ 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) == BATADV_MESH_DEACTIVATING)
+ goto out;
+
+ if (batadv_dat_drop_broadcast_packet(bat_priv, forw_packet))
+ goto out;
+
+ /* rebroadcast packet */
+ rcu_read_lock();
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
+ if (hard_iface->soft_iface != soft_iface)
+ continue;
+
+ if (forw_packet->num_packets >= hard_iface->num_bcasts)
+ continue;
+
+ /* send a copy of the saved skb */
+ skb1 = skb_clone(forw_packet->skb, GFP_ATOMIC);
+ if (skb1)
+ batadv_send_skb_packet(skb1, hard_iface,
+ batadv_broadcast_addr);
+ }
+ rcu_read_unlock();
+
+ forw_packet->num_packets++;
+
+ /* if we still have some more bcasts to send */
+ if (forw_packet->num_packets < BATADV_NUM_BCASTS_MAX) {
+ _batadv_add_bcast_packet_to_list(bat_priv, forw_packet,
+ msecs_to_jiffies(5));
+ return;
+ }
+
+out:
+ batadv_forw_packet_free(forw_packet);
+ atomic_inc(&bat_priv->bcast_queue_left);
+}
+
+void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work)
+{
+ struct delayed_work *delayed_work;
+ struct batadv_forw_packet *forw_packet;
+ struct batadv_priv *bat_priv;
+
+ delayed_work = container_of(work, struct delayed_work, work);
+ 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) == BATADV_MESH_DEACTIVATING)
+ goto out;
+
+ bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet);
+
+ /* we have to have at least one packet in the queue to determine the
+ * queues wake up time unless we are shutting down.
+ *
+ * only re-schedule if this is the "original" copy, e.g. the OGM of the
+ * primary interface should only be rescheduled once per period, but
+ * this function will be called for the forw_packet instances of the
+ * other secondary interfaces as well.
+ */
+ if (forw_packet->own &&
+ forw_packet->if_incoming == forw_packet->if_outgoing)
+ batadv_schedule_bat_ogm(forw_packet->if_incoming);
+
+out:
+ /* don't count own packet */
+ if (!forw_packet->own)
+ atomic_inc(&bat_priv->batman_queue_left);
+
+ batadv_forw_packet_free(forw_packet);
+}
+
+void
+batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
+ const struct batadv_hard_iface *hard_iface)
+{
+ struct batadv_forw_packet *forw_packet;
+ struct hlist_node *safe_tmp_node;
+ bool pending;
+
+ if (hard_iface)
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "purge_outstanding_packets(): %s\n",
+ hard_iface->net_dev->name);
+ else
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "purge_outstanding_packets()\n");
+
+ /* free bcast list */
+ spin_lock_bh(&bat_priv->forw_bcast_list_lock);
+ hlist_for_each_entry_safe(forw_packet, safe_tmp_node,
+ &bat_priv->forw_bcast_list, list) {
+ /* if purge_outstanding_packets() was called with an argument
+ * we delete only packets belonging to the given interface
+ */
+ if ((hard_iface) &&
+ (forw_packet->if_incoming != hard_iface))
+ continue;
+
+ spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
+
+ /* batadv_send_outstanding_bcast_packet() will lock the list to
+ * delete the item from the list
+ */
+ pending = cancel_delayed_work_sync(&forw_packet->delayed_work);
+ spin_lock_bh(&bat_priv->forw_bcast_list_lock);
+
+ if (pending) {
+ hlist_del(&forw_packet->list);
+ batadv_forw_packet_free(forw_packet);
+ }
+ }
+ spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
+
+ /* free batman packet list */
+ spin_lock_bh(&bat_priv->forw_bat_list_lock);
+ hlist_for_each_entry_safe(forw_packet, safe_tmp_node,
+ &bat_priv->forw_bat_list, list) {
+ /* if purge_outstanding_packets() was called with an argument
+ * we delete only packets belonging to the given interface
+ */
+ if ((hard_iface) &&
+ (forw_packet->if_incoming != hard_iface) &&
+ (forw_packet->if_outgoing != hard_iface))
+ continue;
+
+ spin_unlock_bh(&bat_priv->forw_bat_list_lock);
+
+ /* send_outstanding_bat_packet() will lock the list to
+ * delete the item from the list
+ */
+ pending = cancel_delayed_work_sync(&forw_packet->delayed_work);
+ spin_lock_bh(&bat_priv->forw_bat_list_lock);
+
+ if (pending) {
+ hlist_del(&forw_packet->list);
+ batadv_forw_packet_free(forw_packet);
+ }
+ }
+ spin_unlock_bh(&bat_priv->forw_bat_list_lock);
+}
Code Review / kvmfornfv.git / blobdiff