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batman-adv: move routing packet initialization into corresponding file
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Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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Marek Lindner committed Sep 8, 2011
1 parent fc95727 commit d0b9fd8
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Showing 3 changed files with 46 additions and 32 deletions.
37 changes: 37 additions & 0 deletions net/batman-adv/bat_iv_ogm.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand Down
3 changes: 3 additions & 0 deletions net/batman-adv/bat_ogm.h
Original file line number Diff line number Diff line change
Expand Up @@ -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);

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38 changes: 6 additions & 32 deletions net/batman-adv/hard-interface.c
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
#include "bat_sysfs.h"
#include "originator.h"
#include "hash.h"
#include "bat_ogm.h"

#include <linux/if_arp.h>

Expand Down Expand Up @@ -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();

Expand All @@ -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);
}

Expand All @@ -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;
Expand Down Expand Up @@ -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;

/**
Expand Down Expand Up @@ -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;

Expand Down Expand Up @@ -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 "
Expand All @@ -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;
Expand Down Expand Up @@ -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);
Expand Down

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