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Diffstat (limited to 'net/batman-adv/main.c')
-rw-r--r--net/batman-adv/main.c276
1 files changed, 147 insertions, 129 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 083a2993efe4..13c88b25ab31 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -1,5 +1,4 @@
-/*
- * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -16,12 +15,11 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
- *
*/
#include "main.h"
-#include "bat_sysfs.h"
-#include "bat_debugfs.h"
+#include "sysfs.h"
+#include "debugfs.h"
#include "routing.h"
#include "send.h"
#include "originator.h"
@@ -37,61 +35,65 @@
/* List manipulations on hardif_list have to be rtnl_lock()'ed,
- * list traversals just rcu-locked */
-struct list_head hardif_list;
-static int (*recv_packet_handler[256])(struct sk_buff *, struct hard_iface *);
-char bat_routing_algo[20] = "BATMAN IV";
-static struct hlist_head bat_algo_list;
+ * list traversals just rcu-locked
+ */
+struct list_head batadv_hardif_list;
+static int (*batadv_rx_handler[256])(struct sk_buff *,
+ struct batadv_hard_iface *);
+char batadv_routing_algo[20] = "BATMAN_IV";
+static struct hlist_head batadv_algo_list;
-unsigned char broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-struct workqueue_struct *bat_event_workqueue;
+struct workqueue_struct *batadv_event_workqueue;
-static void recv_handler_init(void);
+static void batadv_recv_handler_init(void);
-static int __init batman_init(void)
+static int __init batadv_init(void)
{
- INIT_LIST_HEAD(&hardif_list);
- INIT_HLIST_HEAD(&bat_algo_list);
+ INIT_LIST_HEAD(&batadv_hardif_list);
+ INIT_HLIST_HEAD(&batadv_algo_list);
- recv_handler_init();
+ batadv_recv_handler_init();
- bat_iv_init();
+ batadv_iv_init();
/* the name should not be longer than 10 chars - see
- * http://lwn.net/Articles/23634/ */
- bat_event_workqueue = create_singlethread_workqueue("bat_events");
+ * http://lwn.net/Articles/23634/
+ */
+ batadv_event_workqueue = create_singlethread_workqueue("bat_events");
- if (!bat_event_workqueue)
+ if (!batadv_event_workqueue)
return -ENOMEM;
- bat_socket_init();
- debugfs_init();
+ batadv_socket_init();
+ batadv_debugfs_init();
- register_netdevice_notifier(&hard_if_notifier);
+ register_netdevice_notifier(&batadv_hard_if_notifier);
pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n",
- SOURCE_VERSION, COMPAT_VERSION);
+ BATADV_SOURCE_VERSION, BATADV_COMPAT_VERSION);
return 0;
}
-static void __exit batman_exit(void)
+static void __exit batadv_exit(void)
{
- debugfs_destroy();
- unregister_netdevice_notifier(&hard_if_notifier);
- hardif_remove_interfaces();
+ batadv_debugfs_destroy();
+ unregister_netdevice_notifier(&batadv_hard_if_notifier);
+ batadv_hardif_remove_interfaces();
- flush_workqueue(bat_event_workqueue);
- destroy_workqueue(bat_event_workqueue);
- bat_event_workqueue = NULL;
+ flush_workqueue(batadv_event_workqueue);
+ destroy_workqueue(batadv_event_workqueue);
+ batadv_event_workqueue = NULL;
rcu_barrier();
}
-int mesh_init(struct net_device *soft_iface)
+int batadv_mesh_init(struct net_device *soft_iface)
{
- struct bat_priv *bat_priv = netdev_priv(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);
@@ -110,72 +112,77 @@ int mesh_init(struct net_device *soft_iface)
INIT_LIST_HEAD(&bat_priv->tt_req_list);
INIT_LIST_HEAD(&bat_priv->tt_roam_list);
- if (originator_init(bat_priv) < 1)
+ ret = batadv_originator_init(bat_priv);
+ if (ret < 0)
goto err;
- if (tt_init(bat_priv) < 1)
+ ret = batadv_tt_init(bat_priv);
+ if (ret < 0)
goto err;
- tt_local_add(soft_iface, soft_iface->dev_addr, NULL_IFINDEX);
+ batadv_tt_local_add(soft_iface, soft_iface->dev_addr,
+ BATADV_NULL_IFINDEX);
- if (vis_init(bat_priv) < 1)
+ ret = batadv_vis_init(bat_priv);
+ if (ret < 0)
goto err;
- if (bla_init(bat_priv) < 1)
+ ret = batadv_bla_init(bat_priv);
+ if (ret < 0)
goto err;
atomic_set(&bat_priv->gw_reselect, 0);
- atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
- goto end;
-
-err:
- mesh_free(soft_iface);
- return -1;
+ atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE);
-end:
return 0;
+
+err:
+ batadv_mesh_free(soft_iface);
+ return ret;
}
-void mesh_free(struct net_device *soft_iface)
+void batadv_mesh_free(struct net_device *soft_iface)
{
- struct bat_priv *bat_priv = netdev_priv(soft_iface);
+ struct batadv_priv *bat_priv = netdev_priv(soft_iface);
- atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING);
+ atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING);
- purge_outstanding_packets(bat_priv, NULL);
+ batadv_purge_outstanding_packets(bat_priv, NULL);
- vis_quit(bat_priv);
+ batadv_vis_quit(bat_priv);
- gw_node_purge(bat_priv);
- originator_free(bat_priv);
+ batadv_gw_node_purge(bat_priv);
+ batadv_originator_free(bat_priv);
- tt_free(bat_priv);
+ batadv_tt_free(bat_priv);
- bla_free(bat_priv);
+ batadv_bla_free(bat_priv);
- atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
+ free_percpu(bat_priv->bat_counters);
+
+ atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
}
-void inc_module_count(void)
+void batadv_inc_module_count(void)
{
try_module_get(THIS_MODULE);
}
-void dec_module_count(void)
+void batadv_dec_module_count(void)
{
module_put(THIS_MODULE);
}
-int is_my_mac(const uint8_t *addr)
+int batadv_is_my_mac(const uint8_t *addr)
{
- const struct hard_iface *hard_iface;
+ const struct batadv_hard_iface *hard_iface;
rcu_read_lock();
- list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
- if (hard_iface->if_status != IF_ACTIVE)
+ list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
+ if (hard_iface->if_status != BATADV_IF_ACTIVE)
continue;
- if (compare_eth(hard_iface->net_dev->dev_addr, addr)) {
+ if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
rcu_read_unlock();
return 1;
}
@@ -184,8 +191,8 @@ int is_my_mac(const uint8_t *addr)
return 0;
}
-static int recv_unhandled_packet(struct sk_buff *skb,
- struct hard_iface *recv_if)
+static int batadv_recv_unhandled_packet(struct sk_buff *skb,
+ struct batadv_hard_iface *recv_if)
{
return NET_RX_DROP;
}
@@ -193,16 +200,18 @@ static int recv_unhandled_packet(struct sk_buff *skb,
/* incoming packets with the batman ethertype received on any active hard
* interface
*/
-int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *ptype, struct net_device *orig_dev)
+int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *ptype,
+ struct net_device *orig_dev)
{
- struct bat_priv *bat_priv;
- struct batman_ogm_packet *batman_ogm_packet;
- struct hard_iface *hard_iface;
+ struct batadv_priv *bat_priv;
+ struct batadv_ogm_packet *batadv_ogm_packet;
+ struct batadv_hard_iface *hard_iface;
uint8_t idx;
int ret;
- hard_iface = container_of(ptype, struct hard_iface, batman_adv_ptype);
+ hard_iface = container_of(ptype, struct batadv_hard_iface,
+ batman_adv_ptype);
skb = skb_share_check(skb, GFP_ATOMIC);
/* skb was released by skb_share_check() */
@@ -222,27 +231,27 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
bat_priv = netdev_priv(hard_iface->soft_iface);
- if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
+ if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto err_free;
/* discard frames on not active interfaces */
- if (hard_iface->if_status != IF_ACTIVE)
+ if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto err_free;
- batman_ogm_packet = (struct batman_ogm_packet *)skb->data;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data;
- if (batman_ogm_packet->header.version != COMPAT_VERSION) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Drop packet: incompatible batman version (%i)\n",
- batman_ogm_packet->header.version);
+ if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
+ batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+ "Drop packet: incompatible batman version (%i)\n",
+ batadv_ogm_packet->header.version);
goto err_free;
}
/* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb.
*/
- idx = batman_ogm_packet->header.packet_type;
- ret = (*recv_packet_handler[idx])(skb, hard_iface);
+ idx = batadv_ogm_packet->header.packet_type;
+ ret = (*batadv_rx_handler[idx])(skb, hard_iface);
if (ret == NET_RX_DROP)
kfree_skb(skb);
@@ -259,51 +268,52 @@ err_out:
return NET_RX_DROP;
}
-static void recv_handler_init(void)
+static void batadv_recv_handler_init(void)
{
int i;
- for (i = 0; i < ARRAY_SIZE(recv_packet_handler); i++)
- recv_packet_handler[i] = recv_unhandled_packet;
+ for (i = 0; i < ARRAY_SIZE(batadv_rx_handler); i++)
+ batadv_rx_handler[i] = batadv_recv_unhandled_packet;
/* batman icmp packet */
- recv_packet_handler[BAT_ICMP] = recv_icmp_packet;
+ batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet;
/* unicast packet */
- recv_packet_handler[BAT_UNICAST] = recv_unicast_packet;
+ batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet;
/* fragmented unicast packet */
- recv_packet_handler[BAT_UNICAST_FRAG] = recv_ucast_frag_packet;
+ batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_ucast_frag_packet;
/* broadcast packet */
- recv_packet_handler[BAT_BCAST] = recv_bcast_packet;
+ batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet;
/* vis packet */
- recv_packet_handler[BAT_VIS] = recv_vis_packet;
+ batadv_rx_handler[BATADV_VIS] = batadv_recv_vis_packet;
/* Translation table query (request or response) */
- recv_packet_handler[BAT_TT_QUERY] = recv_tt_query;
+ batadv_rx_handler[BATADV_TT_QUERY] = batadv_recv_tt_query;
/* Roaming advertisement */
- recv_packet_handler[BAT_ROAM_ADV] = recv_roam_adv;
+ batadv_rx_handler[BATADV_ROAM_ADV] = batadv_recv_roam_adv;
}
-int recv_handler_register(uint8_t packet_type,
- int (*recv_handler)(struct sk_buff *,
- struct hard_iface *))
+int
+batadv_recv_handler_register(uint8_t packet_type,
+ int (*recv_handler)(struct sk_buff *,
+ struct batadv_hard_iface *))
{
- if (recv_packet_handler[packet_type] != &recv_unhandled_packet)
+ if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet)
return -EBUSY;
- recv_packet_handler[packet_type] = recv_handler;
+ batadv_rx_handler[packet_type] = recv_handler;
return 0;
}
-void recv_handler_unregister(uint8_t packet_type)
+void batadv_recv_handler_unregister(uint8_t packet_type)
{
- recv_packet_handler[packet_type] = recv_unhandled_packet;
+ batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet;
}
-static struct bat_algo_ops *bat_algo_get(char *name)
+static struct batadv_algo_ops *batadv_algo_get(char *name)
{
- struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
+ struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
struct hlist_node *node;
- hlist_for_each_entry(bat_algo_ops_tmp, node, &bat_algo_list, list) {
+ hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) {
if (strcmp(bat_algo_ops_tmp->name, name) != 0)
continue;
@@ -314,15 +324,16 @@ static struct bat_algo_ops *bat_algo_get(char *name)
return bat_algo_ops;
}
-int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
+int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
{
- struct bat_algo_ops *bat_algo_ops_tmp;
- int ret = -1;
+ struct batadv_algo_ops *bat_algo_ops_tmp;
+ int ret;
- bat_algo_ops_tmp = bat_algo_get(bat_algo_ops->name);
+ 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;
}
@@ -335,23 +346,24 @@ int bat_algo_register(struct bat_algo_ops *bat_algo_ops)
!bat_algo_ops->bat_ogm_emit) {
pr_info("Routing algo '%s' does not implement required ops\n",
bat_algo_ops->name);
+ ret = -EINVAL;
goto out;
}
INIT_HLIST_NODE(&bat_algo_ops->list);
- hlist_add_head(&bat_algo_ops->list, &bat_algo_list);
+ hlist_add_head(&bat_algo_ops->list, &batadv_algo_list);
ret = 0;
out:
return ret;
}
-int bat_algo_select(struct bat_priv *bat_priv, char *name)
+int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
{
- struct bat_algo_ops *bat_algo_ops;
- int ret = -1;
+ struct batadv_algo_ops *bat_algo_ops;
+ int ret = -EINVAL;
- bat_algo_ops = bat_algo_get(name);
+ bat_algo_ops = batadv_algo_get(name);
if (!bat_algo_ops)
goto out;
@@ -362,50 +374,56 @@ out:
return ret;
}
-int bat_algo_seq_print_text(struct seq_file *seq, void *offset)
+int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
{
- struct bat_algo_ops *bat_algo_ops;
+ struct batadv_algo_ops *bat_algo_ops;
struct hlist_node *node;
seq_printf(seq, "Available routing algorithms:\n");
- hlist_for_each_entry(bat_algo_ops, node, &bat_algo_list, list) {
+ hlist_for_each_entry(bat_algo_ops, node, &batadv_algo_list, list) {
seq_printf(seq, "%s\n", bat_algo_ops->name);
}
return 0;
}
-static int param_set_ra(const char *val, const struct kernel_param *kp)
+static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
- struct bat_algo_ops *bat_algo_ops;
+ struct batadv_algo_ops *bat_algo_ops;
+ char *algo_name = (char *)val;
+ size_t name_len = strlen(algo_name);
+
+ if (algo_name[name_len - 1] == '\n')
+ algo_name[name_len - 1] = '\0';
- bat_algo_ops = bat_algo_get((char *)val);
+ bat_algo_ops = batadv_algo_get(algo_name);
if (!bat_algo_ops) {
- pr_err("Routing algorithm '%s' is not supported\n", val);
+ pr_err("Routing algorithm '%s' is not supported\n", algo_name);
return -EINVAL;
}
- return param_set_copystring(val, kp);
+ return param_set_copystring(algo_name, kp);
}
-static const struct kernel_param_ops param_ops_ra = {
- .set = param_set_ra,
+static const struct kernel_param_ops batadv_param_ops_ra = {
+ .set = batadv_param_set_ra,
.get = param_get_string,
};
-static struct kparam_string __param_string_ra = {
- .maxlen = sizeof(bat_routing_algo),
- .string = bat_routing_algo,
+static struct kparam_string batadv_param_string_ra = {
+ .maxlen = sizeof(batadv_routing_algo),
+ .string = batadv_routing_algo,
};
-module_param_cb(routing_algo, &param_ops_ra, &__param_string_ra, 0644);
-module_init(batman_init);
-module_exit(batman_exit);
+module_param_cb(routing_algo, &batadv_param_ops_ra, &batadv_param_string_ra,
+ 0644);
+module_init(batadv_init);
+module_exit(batadv_exit);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_SUPPORTED_DEVICE(DRIVER_DEVICE);
-MODULE_VERSION(SOURCE_VERSION);
+MODULE_AUTHOR(BATADV_DRIVER_AUTHOR);
+MODULE_DESCRIPTION(BATADV_DRIVER_DESC);
+MODULE_SUPPORTED_DEVICE(BATADV_DRIVER_DEVICE);
+MODULE_VERSION(BATADV_SOURCE_VERSION);