summaryrefslogtreecommitdiff
path: root/net/batman-adv/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv/main.c')
-rw-r--r--net/batman-adv/main.c103
1 files changed, 60 insertions, 43 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 12fc77bef..8457097f1 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.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
*
@@ -15,31 +15,53 @@
* 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/highmem.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/if_ether.h>
#include <linux/if_vlan.h>
-#include <net/ip.h>
-#include <net/ipv6.h>
+#include <linux/init.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/netdevice.h>
+#include <linux/pkt_sched.h>
+#include <linux/rculist.h>
+#include <linux/rcupdate.h>
+#include <linux/seq_file.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/stddef.h>
+#include <linux/string.h>
+#include <linux/workqueue.h>
#include <net/dsfield.h>
-#include "main.h"
-#include "sysfs.h"
+#include <net/rtnetlink.h>
+
+#include "bat_algo.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 "multicast.h"
+#include "network-coding.h"
+#include "originator.h"
+#include "packet.h"
#include "routing.h"
#include "send.h"
-#include "originator.h"
#include "soft-interface.h"
-#include "icmp_socket.h"
#include "translation-table.h"
-#include "hard-interface.h"
-#include "gateway_client.h"
-#include "bridge_loop_avoidance.h"
-#include "distributed-arp-table.h"
-#include "multicast.h"
-#include "gateway_common.h"
-#include "hash.h"
-#include "bat_algo.h"
-#include "network-coding.h"
-#include "fragmentation.h"
/* List manipulations on hardif_list have to be rtnl_lock()'ed,
* list traversals just rcu-locked
@@ -209,10 +231,13 @@ void batadv_mesh_free(struct net_device *soft_iface)
* interfaces in the current mesh
* @bat_priv: the bat priv with all the soft interface information
* @addr: the address to check
+ *
+ * Returns 'true' if the mac address was found, false otherwise.
*/
-int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr)
+bool batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *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) {
@@ -223,12 +248,12 @@ int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr)
continue;
if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
- rcu_read_unlock();
- return 1;
+ is_my_mac = true;
+ break;
}
}
rcu_read_unlock();
- return 0;
+ return is_my_mac;
}
/**
@@ -510,14 +535,12 @@ static struct batadv_algo_ops *batadv_algo_get(char *name)
int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
{
struct batadv_algo_ops *bat_algo_ops_tmp;
- int ret;
bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name);
if (bat_algo_ops_tmp) {
pr_info("Trying to register already registered routing algorithm: %s\n",
bat_algo_ops->name);
- ret = -EEXIST;
- goto out;
+ return -EEXIST;
}
/* all algorithms must implement all ops (for now) */
@@ -531,32 +554,26 @@ int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
!bat_algo_ops->bat_neigh_is_equiv_or_better) {
pr_info("Routing algo '%s' does not implement required ops\n",
bat_algo_ops->name);
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
INIT_HLIST_NODE(&bat_algo_ops->list);
hlist_add_head(&bat_algo_ops->list, &batadv_algo_list);
- ret = 0;
-out:
- return ret;
+ return 0;
}
int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
{
struct batadv_algo_ops *bat_algo_ops;
- int ret = -EINVAL;
bat_algo_ops = batadv_algo_get(name);
if (!bat_algo_ops)
- goto out;
+ return -EINVAL;
bat_priv->bat_algo_ops = bat_algo_ops;
- ret = 0;
-out:
- return ret;
+ return 0;
}
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
@@ -819,15 +836,15 @@ static bool batadv_tvlv_realloc_packet_buff(unsigned char **packet_buff,
new_buff = kmalloc(min_packet_len + additional_packet_len, GFP_ATOMIC);
/* keep old buffer if kmalloc should fail */
- if (new_buff) {
- memcpy(new_buff, *packet_buff, min_packet_len);
- kfree(*packet_buff);
- *packet_buff = new_buff;
- *packet_buff_len = min_packet_len + additional_packet_len;
- return true;
- }
+ if (!new_buff)
+ return false;
+
+ memcpy(new_buff, *packet_buff, min_packet_len);
+ kfree(*packet_buff);
+ *packet_buff = new_buff;
+ *packet_buff_len = min_packet_len + additional_packet_len;
- return false;
+ return true;
}
/**