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Diffstat (limited to 'kernel/net/batman-adv/soft-interface.c')
-rw-r--r--kernel/net/batman-adv/soft-interface.c112
1 files changed, 73 insertions, 39 deletions
diff --git a/kernel/net/batman-adv/soft-interface.c b/kernel/net/batman-adv/soft-interface.c
index 5ec31d7de..ac4d08de5 100644
--- a/kernel/net/batman-adv/soft-interface.c
+++ b/kernel/net/batman-adv/soft-interface.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -15,26 +15,50 @@
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#include "main.h"
#include "soft-interface.h"
-#include "hard-interface.h"
-#include "distributed-arp-table.h"
-#include "routing.h"
-#include "send.h"
-#include "debugfs.h"
-#include "translation-table.h"
-#include "hash.h"
-#include "gateway_common.h"
-#include "gateway_client.h"
-#include "sysfs.h"
-#include "originator.h"
-#include <linux/slab.h>
-#include <linux/ethtool.h>
+#include "main.h"
+
+#include <linux/atomic.h>
+#include <linux/byteorder/generic.h>
+#include <linux/cache.h>
+#include <linux/compiler.h>
+#include <linux/errno.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/fs.h>
+#include <linux/if_ether.h>
#include <linux/if_vlan.h>
-#include "multicast.h"
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/lockdep.h>
+#include <linux/netdevice.h>
+#include <linux/percpu.h>
+#include <linux/printk.h>
+#include <linux/random.h>
+#include <linux/rculist.h>
+#include <linux/rcupdate.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/socket.h>
+#include <linux/spinlock.h>
+#include <linux/stddef.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/workqueue.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 "multicast.h"
#include "network-coding.h"
+#include "packet.h"
+#include "send.h"
+#include "sysfs.h"
+#include "translation-table.h"
static int batadv_get_settings(struct net_device *dev, struct ethtool_cmd *cmd);
static void batadv_get_drvinfo(struct net_device *dev,
@@ -105,8 +129,9 @@ static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
+ struct batadv_softif_vlan *vlan;
struct sockaddr *addr = p;
- uint8_t old_addr[ETH_ALEN];
+ u8 old_addr[ETH_ALEN];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
@@ -115,12 +140,17 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
ether_addr_copy(dev->dev_addr, addr->sa_data);
/* 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_NO_FLAGS,
+ if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
+ return 0;
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) {
+ batadv_tt_local_remove(bat_priv, old_addr, vlan->vid,
"mac address changed", false);
- batadv_tt_local_add(dev, addr->sa_data, BATADV_NO_FLAGS,
+ batadv_tt_local_add(dev, addr->sa_data, vlan->vid,
BATADV_NULL_IFINDEX, BATADV_NO_MARK);
}
+ rcu_read_unlock();
return 0;
}
@@ -156,22 +186,23 @@ static int batadv_interface_tx(struct sk_buff *skb,
struct batadv_hard_iface *primary_if = NULL;
struct batadv_bcast_packet *bcast_packet;
__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};
+ static const u8 stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00,
+ 0x00, 0x00};
+ static const u8 ectp_addr[ETH_ALEN] = {0xCF, 0x00, 0x00, 0x00,
+ 0x00, 0x00};
enum batadv_dhcp_recipient dhcp_rcp = BATADV_DHCP_NO;
- uint8_t *dst_hint = NULL, chaddr[ETH_ALEN];
+ u8 *dst_hint = NULL, chaddr[ETH_ALEN];
struct vlan_ethhdr *vhdr;
unsigned int header_len = 0;
int data_len = skb->len, ret;
unsigned long brd_delay = 1;
bool do_bcast = false, client_added;
unsigned short vid;
- uint32_t seqno;
+ u32 seqno;
int gw_mode;
enum batadv_forw_mode forw_mode;
struct batadv_orig_node *mcast_single_orig = NULL;
+ int network_offset = ETH_HLEN;
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
@@ -184,14 +215,18 @@ static int batadv_interface_tx(struct sk_buff *skb,
case ETH_P_8021Q:
vhdr = vlan_eth_hdr(skb);
- if (vhdr->h_vlan_encapsulated_proto != ethertype)
+ if (vhdr->h_vlan_encapsulated_proto != ethertype) {
+ network_offset += VLAN_HLEN;
break;
+ }
/* fall through */
case ETH_P_BATMAN:
goto dropped;
}
+ skb_set_network_header(skb, network_offset);
+
if (batadv_bla_tx(bat_priv, skb, vid))
goto dropped;
@@ -449,6 +484,9 @@ out:
*/
void batadv_softif_vlan_free_ref(struct batadv_softif_vlan *vlan)
{
+ if (!vlan)
+ return;
+
if (atomic_dec_and_test(&vlan->refcount)) {
spin_lock_bh(&vlan->bat_priv->softif_vlan_list_lock);
hlist_del_rcu(&vlan->list);
@@ -712,9 +750,9 @@ static void batadv_softif_destroy_finish(struct work_struct *work)
static int batadv_softif_init_late(struct net_device *dev)
{
struct batadv_priv *bat_priv;
- uint32_t random_seqno;
+ u32 random_seqno;
int ret;
- size_t cnt_len = sizeof(uint64_t) * BATADV_CNT_NUM;
+ size_t cnt_len = sizeof(u64) * BATADV_CNT_NUM;
batadv_set_lockdep_class(dev);
@@ -725,14 +763,14 @@ static int batadv_softif_init_late(struct net_device *dev)
/* batadv_interface_stats() needs to be available as soon as
* register_netdevice() has been called
*/
- bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t));
+ bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(u64));
if (!bat_priv->bat_counters)
return -ENOMEM;
atomic_set(&bat_priv->aggregated_ogms, 1);
atomic_set(&bat_priv->bonding, 0);
#ifdef CONFIG_BATMAN_ADV_BLA
- atomic_set(&bat_priv->bridge_loop_avoidance, 0);
+ atomic_set(&bat_priv->bridge_loop_avoidance, 1);
#endif
#ifdef CONFIG_BATMAN_ADV_DAT
atomic_set(&bat_priv->distributed_arp_table, 1);
@@ -818,7 +856,7 @@ static int batadv_softif_slave_add(struct net_device *dev,
int ret = -EINVAL;
hard_iface = batadv_hardif_get_by_netdev(slave_dev);
- if (!hard_iface || hard_iface->soft_iface != NULL)
+ if (!hard_iface || hard_iface->soft_iface)
goto out;
ret = batadv_hardif_enable_interface(hard_iface, dev->name);
@@ -903,14 +941,12 @@ static void batadv_softif_init_early(struct net_device *dev)
dev->netdev_ops = &batadv_netdev_ops;
dev->destructor = batadv_softif_free;
dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
- dev->tx_queue_len = 0;
+ dev->priv_flags |= IFF_NO_QUEUE;
/* can't call min_mtu, because the needed variables
* have not been initialized yet
*/
dev->mtu = ETH_DATA_LEN;
- /* reserve more space in the skbuff for our header */
- dev->hard_header_len = batadv_max_header_len();
/* generate random address */
eth_hw_addr_random(dev);
@@ -1079,8 +1115,7 @@ static const struct {
#endif
};
-static void batadv_get_strings(struct net_device *dev, uint32_t stringset,
- uint8_t *data)
+static void batadv_get_strings(struct net_device *dev, u32 stringset, u8 *data)
{
if (stringset == ETH_SS_STATS)
memcpy(data, batadv_counters_strings,
@@ -1088,8 +1123,7 @@ static void batadv_get_strings(struct net_device *dev, uint32_t stringset,
}
static void batadv_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats,
- uint64_t *data)
+ struct ethtool_stats *stats, u64 *data)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
int i;