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-rw-r--r--net/batman-adv/bat_iv_ogm.c37
-rw-r--r--net/batman-adv/bat_ogm.h3
-rw-r--r--net/batman-adv/hard-interface.c38
3 files changed, 46 insertions, 32 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 6fa2d465b6cd..468bd5e1f7f5 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -30,6 +30,43 @@
#include "hard-interface.h"
#include "send.h"
+void bat_ogm_init(struct hard_iface *hard_iface)
+{
+ struct batman_ogm_packet *batman_ogm_packet;
+
+ hard_iface->packet_len = BATMAN_OGM_LEN;
+ hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
+
+ batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
+ batman_ogm_packet->packet_type = BAT_OGM;
+ batman_ogm_packet->version = COMPAT_VERSION;
+ batman_ogm_packet->flags = NO_FLAGS;
+ batman_ogm_packet->ttl = 2;
+ batman_ogm_packet->tq = TQ_MAX_VALUE;
+ batman_ogm_packet->tt_num_changes = 0;
+ batman_ogm_packet->ttvn = 0;
+}
+
+void bat_ogm_init_primary(struct hard_iface *hard_iface)
+{
+ struct batman_ogm_packet *batman_ogm_packet;
+
+ batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
+ batman_ogm_packet->flags = PRIMARIES_FIRST_HOP;
+ batman_ogm_packet->ttl = TTL;
+}
+
+void bat_ogm_update_mac(struct hard_iface *hard_iface)
+{
+ struct batman_ogm_packet *batman_ogm_packet;
+
+ batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
+ memcpy(batman_ogm_packet->orig,
+ hard_iface->net_dev->dev_addr, ETH_ALEN);
+ memcpy(batman_ogm_packet->prev_sender,
+ hard_iface->net_dev->dev_addr, ETH_ALEN);
+}
+
/* is there another aggregated packet here? */
static int bat_ogm_aggr_packet(int buff_pos, int packet_len,
int tt_num_changes)
diff --git a/net/batman-adv/bat_ogm.h b/net/batman-adv/bat_ogm.h
index bdd3d1eb4c20..7809b92500bd 100644
--- a/net/batman-adv/bat_ogm.h
+++ b/net/batman-adv/bat_ogm.h
@@ -24,6 +24,9 @@
#include "main.h"
+void bat_ogm_init(struct hard_iface *hard_iface);
+void bat_ogm_init_primary(struct hard_iface *hard_iface);
+void bat_ogm_update_mac(struct hard_iface *hard_iface);
void bat_ogm_receive(const struct ethhdr *ethhdr, unsigned char *packet_buff,
int packet_len, struct hard_iface *if_incoming);
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index cfee0178ec62..2a1558242845 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -28,6 +28,7 @@
#include "bat_sysfs.h"
#include "originator.h"
#include "hash.h"
+#include "bat_ogm.h"
#include <linux/if_arp.h>
@@ -131,7 +132,6 @@ static void primary_if_select(struct bat_priv *bat_priv,
struct hard_iface *new_hard_iface)
{
struct hard_iface *curr_hard_iface;
- struct batman_ogm_packet *batman_ogm_packet;
ASSERT_RTNL();
@@ -147,11 +147,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
if (!new_hard_iface)
return;
- batman_ogm_packet = (struct batman_ogm_packet *)
- (new_hard_iface->packet_buff);
- batman_ogm_packet->flags = PRIMARIES_FIRST_HOP;
- batman_ogm_packet->ttl = TTL;
-
+ bat_ogm_init_primary(new_hard_iface);
primary_if_update_addr(bat_priv);
}
@@ -163,17 +159,6 @@ static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
return false;
}
-static void update_mac_addresses(struct hard_iface *hard_iface)
-{
- struct batman_ogm_packet *batman_ogm_packet;
-
- batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff;
- memcpy(batman_ogm_packet->orig,
- hard_iface->net_dev->dev_addr, ETH_ALEN);
- memcpy(batman_ogm_packet->prev_sender,
- hard_iface->net_dev->dev_addr, ETH_ALEN);
-}
-
static void check_known_mac_addr(const struct net_device *net_dev)
{
const struct hard_iface *hard_iface;
@@ -248,7 +233,7 @@ static void hardif_activate_interface(struct hard_iface *hard_iface)
bat_priv = netdev_priv(hard_iface->soft_iface);
- update_mac_addresses(hard_iface);
+ bat_ogm_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
/**
@@ -287,7 +272,6 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
const char *iface_name)
{
struct bat_priv *bat_priv;
- struct batman_ogm_packet *batman_ogm_packet;
struct net_device *soft_iface;
int ret;
@@ -322,8 +306,8 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->soft_iface = soft_iface;
bat_priv = netdev_priv(hard_iface->soft_iface);
- hard_iface->packet_len = BATMAN_OGM_LEN;
- hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
+
+ bat_ogm_init(hard_iface);
if (!hard_iface->packet_buff) {
bat_err(hard_iface->soft_iface, "Can't add interface packet "
@@ -332,16 +316,6 @@ int hardif_enable_interface(struct hard_iface *hard_iface,
goto err;
}
- batman_ogm_packet = (struct batman_ogm_packet *)
- (hard_iface->packet_buff);
- batman_ogm_packet->packet_type = BAT_OGM;
- batman_ogm_packet->version = COMPAT_VERSION;
- batman_ogm_packet->flags = NO_FLAGS;
- batman_ogm_packet->ttl = 2;
- batman_ogm_packet->tq = TQ_MAX_VALUE;
- batman_ogm_packet->tt_num_changes = 0;
- batman_ogm_packet->ttvn = 0;
-
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
hard_iface->if_status = IF_INACTIVE;
@@ -556,7 +530,7 @@ static int hard_if_event(struct notifier_block *this,
goto hardif_put;
check_known_mac_addr(hard_iface->net_dev);
- update_mac_addresses(hard_iface);
+ bat_ogm_update_mac(hard_iface);
bat_priv = netdev_priv(hard_iface->soft_iface);
primary_if = primary_if_get_selected(bat_priv);