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batman-adv: rename batman_if struct to hard_iface 

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
This commit is contained in:
Marek Lindner 2011-02-18 12:33:20 +00:00
parent 4389e47af8
commit e6c10f433a
18 changed files with 335 additions and 330 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
net/batman-adv/aggregation.c
View File

@ -35,7 +35,7 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
int packet_len,
unsigned long send_time,
bool directlink,
struct batman_if *if_incoming,
struct hard_iface *if_incoming,
struct forw_packet *forw_packet)
{
struct batman_packet *batman_packet =
@ -99,7 +99,7 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
/* create a new aggregated packet and add this packet to it */
static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
unsigned long send_time, bool direct_link,
struct batman_if *if_incoming,
struct hard_iface *if_incoming,
int own_packet)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@ -188,7 +188,7 @@ static void aggregate(struct forw_packet *forw_packet_aggr,
void add_bat_packet_to_list(struct bat_priv *bat_priv,
unsigned char *packet_buff, int packet_len,
struct batman_if *if_incoming, char own_packet,
struct hard_iface *if_incoming, char own_packet,
unsigned long send_time)
{
/**
@ -247,7 +247,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
/* unpack the aggregated packets and process them one by one */
void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
int packet_len, struct batman_if *if_incoming)
int packet_len, struct hard_iface *if_incoming)
{
struct batman_packet *batman_packet;
int buff_pos = 0;

4
net/batman-adv/aggregation.h
View File

@ -35,9 +35,9 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_hna)
void add_bat_packet_to_list(struct bat_priv *bat_priv,
unsigned char *packet_buff, int packet_len,
struct batman_if *if_incoming, char own_packet,
struct hard_iface *if_incoming, char own_packet,
unsigned long send_time);
void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
int packet_len, struct batman_if *if_incoming);
int packet_len, struct hard_iface *if_incoming);
#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */

41
net/batman-adv/bat_sysfs.c
View File

@ -441,16 +441,16 @@ static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct net_device *net_dev = kobj_to_netdev(kobj);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
ssize_t length;
if (!batman_if)
if (!hard_iface)
return 0;
length = sprintf(buff, "%s\n", batman_if->if_status == IF_NOT_IN_USE ?
"none" : batman_if->soft_iface->name);
length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ?
"none" : hard_iface->soft_iface->name);
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
return length;
}
@ -459,11 +459,11 @@ static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct net_device *net_dev = kobj_to_netdev(kobj);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
int status_tmp = -1;
int ret = count;
if (!batman_if)
if (!hard_iface)
return count;
if (buff[count - 1] == '\n')
@ -472,7 +472,7 @@ static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
if (strlen(buff) >= IFNAMSIZ) {
pr_err("Invalid parameter for 'mesh_iface' setting received: "
"interface name too long '%s'\n", buff);
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
return -EINVAL;
}
@ -481,28 +481,31 @@ static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
else
status_tmp = IF_I_WANT_YOU;
if ((batman_if->if_status == status_tmp) || ((batman_if->soft_iface) &&
(strncmp(batman_if->soft_iface->name, buff, IFNAMSIZ) == 0)))
if (hard_iface->if_status == status_tmp)
goto out;
if ((hard_iface->soft_iface) &&
(strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0))
goto out;
if (status_tmp == IF_NOT_IN_USE) {
rtnl_lock();
hardif_disable_interface(batman_if);
hardif_disable_interface(hard_iface);
rtnl_unlock();
goto out;
}
/* if the interface already is in use */
if (batman_if->if_status != IF_NOT_IN_USE) {
if (hard_iface->if_status != IF_NOT_IN_USE) {
rtnl_lock();
hardif_disable_interface(batman_if);
hardif_disable_interface(hard_iface);
rtnl_unlock();
}
ret = hardif_enable_interface(batman_if, buff);
ret = hardif_enable_interface(hard_iface, buff);
out:
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
return ret;
}
@ -510,13 +513,13 @@ static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct net_device *net_dev = kobj_to_netdev(kobj);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
ssize_t length;
if (!batman_if)
if (!hard_iface)
return 0;
switch (batman_if->if_status) {
switch (hard_iface->if_status) {
case IF_TO_BE_REMOVED:
length = sprintf(buff, "disabling\n");
break;
@ -535,7 +538,7 @@ static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
break;
}
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
return length;
}

353
net/batman-adv/hard-interface.c
View File

@ -42,29 +42,29 @@ static int batman_skb_recv(struct sk_buff *skb,
void hardif_free_rcu(struct rcu_head *rcu)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
batman_if = container_of(rcu, struct batman_if, rcu);
dev_put(batman_if->net_dev);
kfree(batman_if);
hard_iface = container_of(rcu, struct hard_iface, rcu);
dev_put(hard_iface->net_dev);
kfree(hard_iface);
}
struct batman_if *get_batman_if_by_netdev(struct net_device *net_dev)
struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->net_dev == net_dev &&
atomic_inc_not_zero(&batman_if->refcount))
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->net_dev == net_dev &&
atomic_inc_not_zero(&hard_iface->refcount))
goto out;
}
batman_if = NULL;
hard_iface = NULL;
out:
rcu_read_unlock();
return batman_if;
return hard_iface;
}
static int is_valid_iface(struct net_device *net_dev)
@ -94,25 +94,25 @@ static int is_valid_iface(struct net_device *net_dev)
return 1;
}
static struct batman_if *get_active_batman_if(struct net_device *soft_iface)
static struct hard_iface *hardif_get_active(struct net_device *soft_iface)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->soft_iface != soft_iface)
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
if (batman_if->if_status == IF_ACTIVE &&
atomic_inc_not_zero(&batman_if->refcount))
if (hard_iface->if_status == IF_ACTIVE &&
atomic_inc_not_zero(&hard_iface->refcount))
goto out;
}
batman_if = NULL;
hard_iface = NULL;
out:
rcu_read_unlock();
return batman_if;
return hard_iface;
}
static void update_primary_addr(struct bat_priv *bat_priv)
@ -128,16 +128,16 @@ static void update_primary_addr(struct bat_priv *bat_priv)
}
static void set_primary_if(struct bat_priv *bat_priv,
struct batman_if *batman_if)
struct hard_iface *hard_iface)
{
struct batman_packet *batman_packet;
struct batman_if *old_if;
struct hard_iface *old_if;
if (batman_if && !atomic_inc_not_zero(&batman_if->refcount))
batman_if = NULL;
if (hard_iface && !atomic_inc_not_zero(&hard_iface->refcount))
hard_iface = NULL;
old_if = bat_priv->primary_if;
bat_priv->primary_if = batman_if;
bat_priv->primary_if = hard_iface;
if (old_if)
hardif_free_ref(old_if);
@ -145,7 +145,7 @@ static void set_primary_if(struct bat_priv *bat_priv,
if (!bat_priv->primary_if)
return;
batman_packet = (struct batman_packet *)(batman_if->packet_buff);
batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
batman_packet->flags = PRIMARIES_FIRST_HOP;
batman_packet->ttl = TTL;
@ -158,42 +158,42 @@ static void set_primary_if(struct bat_priv *bat_priv,
atomic_set(&bat_priv->hna_local_changed, 1);
}
static bool hardif_is_iface_up(struct batman_if *batman_if)
static bool hardif_is_iface_up(struct hard_iface *hard_iface)
{
if (batman_if->net_dev->flags & IFF_UP)
if (hard_iface->net_dev->flags & IFF_UP)
return true;
return false;
}
static void update_mac_addresses(struct batman_if *batman_if)
static void update_mac_addresses(struct hard_iface *hard_iface)
{
memcpy(((struct batman_packet *)(batman_if->packet_buff))->orig,
batman_if->net_dev->dev_addr, ETH_ALEN);
memcpy(((struct batman_packet *)(batman_if->packet_buff))->prev_sender,
batman_if->net_dev->dev_addr, ETH_ALEN);
memcpy(((struct batman_packet *)(hard_iface->packet_buff))->orig,
hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(((struct batman_packet *)(hard_iface->packet_buff))->prev_sender,
hard_iface->net_dev->dev_addr, ETH_ALEN);
}
static void check_known_mac_addr(struct net_device *net_dev)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if ((batman_if->if_status != IF_ACTIVE) &&
(batman_if->if_status != IF_TO_BE_ACTIVATED))
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
continue;
if (batman_if->net_dev == net_dev)
if (hard_iface->net_dev == net_dev)
continue;
if (!compare_eth(batman_if->net_dev->dev_addr,
net_dev->dev_addr))
if (!compare_eth(hard_iface->net_dev->dev_addr,
net_dev->dev_addr))
continue;
pr_warning("The newly added mac address (%pM) already exists "
"on: %s\n", net_dev->dev_addr,
batman_if->net_dev->name);
hard_iface->net_dev->name);
pr_warning("It is strongly recommended to keep mac addresses "
"unique to avoid problems!\n");
}
@ -203,7 +203,7 @@ static void check_known_mac_addr(struct net_device *net_dev)
int hardif_min_mtu(struct net_device *soft_iface)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
struct batman_if *batman_if;
struct hard_iface *hard_iface;
/* allow big frames if all devices are capable to do so
* (have MTU > 1500 + BAT_HEADER_LEN) */
int min_mtu = ETH_DATA_LEN;
@ -212,15 +212,15 @@ int hardif_min_mtu(struct net_device *soft_iface)
goto out;
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if ((batman_if->if_status != IF_ACTIVE) &&
(batman_if->if_status != IF_TO_BE_ACTIVATED))
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
continue;
if (batman_if->soft_iface != soft_iface)
if (hard_iface->soft_iface != soft_iface)
continue;
min_mtu = min_t(int, batman_if->net_dev->mtu - BAT_HEADER_LEN,
min_mtu = min_t(int, hard_iface->net_dev->mtu - BAT_HEADER_LEN,
min_mtu);
}
rcu_read_unlock();
@ -238,80 +238,80 @@ void update_min_mtu(struct net_device *soft_iface)
soft_iface->mtu = min_mtu;
}
static void hardif_activate_interface(struct batman_if *batman_if)
static void hardif_activate_interface(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv;
if (batman_if->if_status != IF_INACTIVE)
if (hard_iface->if_status != IF_INACTIVE)
return;
bat_priv = netdev_priv(batman_if->soft_iface);
bat_priv = netdev_priv(hard_iface->soft_iface);
update_mac_addresses(batman_if);
batman_if->if_status = IF_TO_BE_ACTIVATED;
update_mac_addresses(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED;
/**
* the first active interface becomes our primary interface or
* the next active interface after the old primay interface was removed
*/
if (!bat_priv->primary_if)
set_primary_if(bat_priv, batman_if);
set_primary_if(bat_priv, hard_iface);
bat_info(batman_if->soft_iface, "Interface activated: %s\n",
batman_if->net_dev->name);
bat_info(hard_iface->soft_iface, "Interface activated: %s\n",
hard_iface->net_dev->name);
update_min_mtu(batman_if->soft_iface);
update_min_mtu(hard_iface->soft_iface);
return;
}
static void hardif_deactivate_interface(struct batman_if *batman_if)
static void hardif_deactivate_interface(struct hard_iface *hard_iface)
{
if ((batman_if->if_status != IF_ACTIVE) &&
(batman_if->if_status != IF_TO_BE_ACTIVATED))
if ((hard_iface->if_status != IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED))
return;
batman_if->if_status = IF_INACTIVE;
hard_iface->if_status = IF_INACTIVE;
bat_info(batman_if->soft_iface, "Interface deactivated: %s\n",
batman_if->net_dev->name);
bat_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
hard_iface->net_dev->name);
update_min_mtu(batman_if->soft_iface);
update_min_mtu(hard_iface->soft_iface);
}
int hardif_enable_interface(struct batman_if *batman_if, char *iface_name)
int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name)
{
struct bat_priv *bat_priv;
struct batman_packet *batman_packet;
if (batman_if->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != IF_NOT_IN_USE)
goto out;
if (!atomic_inc_not_zero(&batman_if->refcount))
if (!atomic_inc_not_zero(&hard_iface->refcount))
goto out;
batman_if->soft_iface = dev_get_by_name(&init_net, iface_name);
hard_iface->soft_iface = dev_get_by_name(&init_net, iface_name);
if (!batman_if->soft_iface) {
batman_if->soft_iface = softif_create(iface_name);
if (!hard_iface->soft_iface) {
hard_iface->soft_iface = softif_create(iface_name);
if (!batman_if->soft_iface)
if (!hard_iface->soft_iface)
goto err;
/* dev_get_by_name() increases the reference counter for us */
dev_hold(batman_if->soft_iface);
dev_hold(hard_iface->soft_iface);
}
bat_priv = netdev_priv(batman_if->soft_iface);
batman_if->packet_len = BAT_PACKET_LEN;
batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_ATOMIC);
bat_priv = netdev_priv(hard_iface->soft_iface);
hard_iface->packet_len = BAT_PACKET_LEN;
hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC);
if (!batman_if->packet_buff) {
bat_err(batman_if->soft_iface, "Can't add interface packet "
"(%s): out of memory\n", batman_if->net_dev->name);
if (!hard_iface->packet_buff) {
bat_err(hard_iface->soft_iface, "Can't add interface packet "
"(%s): out of memory\n", hard_iface->net_dev->name);
goto err;
}
batman_packet = (struct batman_packet *)(batman_if->packet_buff);
batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
batman_packet->packet_type = BAT_PACKET;
batman_packet->version = COMPAT_VERSION;
batman_packet->flags = 0;
@ -319,107 +319,107 @@ int hardif_enable_interface(struct batman_if *batman_if, char *iface_name)
batman_packet->tq = TQ_MAX_VALUE;
batman_packet->num_hna = 0;
batman_if->if_num = bat_priv->num_ifaces;
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
batman_if->if_status = IF_INACTIVE;
orig_hash_add_if(batman_if, bat_priv->num_ifaces);
hard_iface->if_status = IF_INACTIVE;
orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
batman_if->batman_adv_ptype.type = __constant_htons(ETH_P_BATMAN);
batman_if->batman_adv_ptype.func = batman_skb_recv;
batman_if->batman_adv_ptype.dev = batman_if->net_dev;
dev_add_pack(&batman_if->batman_adv_ptype);
hard_iface->batman_adv_ptype.type = __constant_htons(ETH_P_BATMAN);
hard_iface->batman_adv_ptype.func = batman_skb_recv;
hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;
dev_add_pack(&hard_iface->batman_adv_ptype);
atomic_set(&batman_if->seqno, 1);
atomic_set(&batman_if->frag_seqno, 1);
bat_info(batman_if->soft_iface, "Adding interface: %s\n",
batman_if->net_dev->name);
atomic_set(&hard_iface->seqno, 1);
atomic_set(&hard_iface->frag_seqno, 1);
bat_info(hard_iface->soft_iface, "Adding interface: %s\n",
hard_iface->net_dev->name);
if (atomic_read(&bat_priv->fragmentation) && batman_if->net_dev->mtu <
if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BAT_HEADER_LEN)
bat_info(batman_if->soft_iface,
bat_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle "
"the transport of batman-adv packets. Packets going "
"over this interface will be fragmented on layer2 "
"which could impact the performance. Setting the MTU "
"to %zi would solve the problem.\n",
batman_if->net_dev->name, batman_if->net_dev->mtu,
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
ETH_DATA_LEN + BAT_HEADER_LEN);
if (!atomic_read(&bat_priv->fragmentation) && batman_if->net_dev->mtu <
if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu <
ETH_DATA_LEN + BAT_HEADER_LEN)
bat_info(batman_if->soft_iface,
bat_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle "
"the transport of batman-adv packets. If you experience"
" problems getting traffic through try increasing the "
"MTU to %zi.\n",
batman_if->net_dev->name, batman_if->net_dev->mtu,
hard_iface->net_dev->name, hard_iface->net_dev->mtu,
ETH_DATA_LEN + BAT_HEADER_LEN);
if (hardif_is_iface_up(batman_if))
hardif_activate_interface(batman_if);
if (hardif_is_iface_up(hard_iface))
hardif_activate_interface(hard_iface);
else
bat_err(batman_if->soft_iface, "Not using interface %s "
bat_err(hard_iface->soft_iface, "Not using interface %s "
"(retrying later): interface not active\n",
batman_if->net_dev->name);
hard_iface->net_dev->name);
/* begin scheduling originator messages on that interface */
schedule_own_packet(batman_if);
schedule_own_packet(hard_iface);
out:
return 0;
err:
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
return -ENOMEM;
}
void hardif_disable_interface(struct batman_if *batman_if)
void hardif_disable_interface(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
if (batman_if->if_status == IF_ACTIVE)
hardif_deactivate_interface(batman_if);
if (hard_iface->if_status == IF_ACTIVE)
hardif_deactivate_interface(hard_iface);
if (batman_if->if_status != IF_INACTIVE)
if (hard_iface->if_status != IF_INACTIVE)
return;
bat_info(batman_if->soft_iface, "Removing interface: %s\n",
batman_if->net_dev->name);
dev_remove_pack(&batman_if->batman_adv_ptype);
bat_info(hard_iface->soft_iface, "Removing interface: %s\n",
hard_iface->net_dev->name);
dev_remove_pack(&hard_iface->batman_adv_ptype);
bat_priv->num_ifaces--;
orig_hash_del_if(batman_if, bat_priv->num_ifaces);
orig_hash_del_if(hard_iface, bat_priv->num_ifaces);
if (batman_if == bat_priv->primary_if) {
struct batman_if *new_if;
if (hard_iface == bat_priv->primary_if) {
struct hard_iface *new_if;
new_if = get_active_batman_if(batman_if->soft_iface);
new_if = hardif_get_active(hard_iface->soft_iface);
set_primary_if(bat_priv, new_if);
if (new_if)
hardif_free_ref(new_if);
}
kfree(batman_if->packet_buff);
batman_if->packet_buff = NULL;
batman_if->if_status = IF_NOT_IN_USE;
kfree(hard_iface->packet_buff);
hard_iface->packet_buff = NULL;
hard_iface->if_status = IF_NOT_IN_USE;
/* delete all references to this batman_if */
/* delete all references to this hard_iface */
purge_orig_ref(bat_priv);
purge_outstanding_packets(bat_priv, batman_if);
dev_put(batman_if->soft_iface);
purge_outstanding_packets(bat_priv, hard_iface);
dev_put(hard_iface->soft_iface);
/* nobody uses this interface anymore */
if (!bat_priv->num_ifaces)
softif_destroy(batman_if->soft_iface);
softif_destroy(hard_iface->soft_iface);
batman_if->soft_iface = NULL;
hardif_free_ref(batman_if);
hard_iface->soft_iface = NULL;
hardif_free_ref(hard_iface);
}
static struct batman_if *hardif_add_interface(struct net_device *net_dev)
static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
int ret;
ret = is_valid_iface(net_dev);
@ -428,72 +428,73 @@ static struct batman_if *hardif_add_interface(struct net_device *net_dev)
dev_hold(net_dev);
batman_if = kmalloc(sizeof(struct batman_if), GFP_ATOMIC);
if (!batman_if) {
hard_iface = kmalloc(sizeof(struct hard_iface), GFP_ATOMIC);
if (!hard_iface) {
pr_err("Can't add interface (%s): out of memory\n",
net_dev->name);
goto release_dev;
}
ret = sysfs_add_hardif(&batman_if->hardif_obj, net_dev);
ret = sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);
if (ret)
goto free_if;
batman_if->if_num = -1;
batman_if->net_dev = net_dev;
batman_if->soft_iface = NULL;
batman_if->if_status = IF_NOT_IN_USE;
INIT_LIST_HEAD(&batman_if->list);
hard_iface->if_num = -1;
hard_iface->net_dev = net_dev;
hard_iface->soft_iface = NULL;
hard_iface->if_status = IF_NOT_IN_USE;
INIT_LIST_HEAD(&hard_iface->list);
/* extra reference for return */
atomic_set(&batman_if->refcount, 2);
atomic_set(&hard_iface->refcount, 2);
check_known_mac_addr(batman_if->net_dev);
check_known_mac_addr(hard_iface->net_dev);
spin_lock(&hardif_list_lock);
list_add_tail_rcu(&batman_if->list, &hardif_list);
list_add_tail_rcu(&hard_iface->list, &hardif_list);
spin_unlock(&hardif_list_lock);
return batman_if;
return hard_iface;
free_if:
kfree(batman_if);
kfree(hard_iface);
release_dev:
dev_put(net_dev);
out:
return NULL;
}
static void hardif_remove_interface(struct batman_if *batman_if)
static void hardif_remove_interface(struct hard_iface *hard_iface)
{
/* first deactivate interface */
if (batman_if->if_status != IF_NOT_IN_USE)
hardif_disable_interface(batman_if);
if (hard_iface->if_status != IF_NOT_IN_USE)
hardif_disable_interface(hard_iface);
if (batman_if->if_status != IF_NOT_IN_USE)
if (hard_iface->if_status != IF_NOT_IN_USE)
return;
batman_if->if_status = IF_TO_BE_REMOVED;
sysfs_del_hardif(&batman_if->hardif_obj);
hardif_free_ref(batman_if);
hard_iface->if_status = IF_TO_BE_REMOVED;
sysfs_del_hardif(&hard_iface->hardif_obj);
hardif_free_ref(hard_iface);
}
void hardif_remove_interfaces(void)
{
struct batman_if *batman_if, *batman_if_tmp;
struct hard_iface *hard_iface, *hard_iface_tmp;
struct list_head if_queue;
INIT_LIST_HEAD(&if_queue);
spin_lock(&hardif_list_lock);
list_for_each_entry_safe(batman_if, batman_if_tmp, &hardif_list, list) {
list_del_rcu(&batman_if->list);
list_add_tail(&batman_if->list, &if_queue);
list_for_each_entry_safe(hard_iface, hard_iface_tmp,
&hardif_list, list) {
list_del_rcu(&hard_iface->list);
list_add_tail(&hard_iface->list, &if_queue);
}
spin_unlock(&hardif_list_lock);
rtnl_lock();
list_for_each_entry_safe(batman_if, batman_if_tmp, &if_queue, list) {
hardif_remove_interface(batman_if);
list_for_each_entry_safe(hard_iface, hard_iface_tmp, &if_queue, list) {
hardif_remove_interface(hard_iface);
}
rtnl_unlock();
}
@ -502,43 +503,43 @@ static int hard_if_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *net_dev = (struct net_device *)ptr;
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
struct bat_priv *bat_priv;
if (!batman_if && event == NETDEV_REGISTER)
batman_if = hardif_add_interface(net_dev);
if (!hard_iface && event == NETDEV_REGISTER)
hard_iface = hardif_add_interface(net_dev);
if (!batman_if)
if (!hard_iface)
goto out;
switch (event) {
case NETDEV_UP:
hardif_activate_interface(batman_if);
hardif_activate_interface(hard_iface);
break;
case NETDEV_GOING_DOWN:
case NETDEV_DOWN:
hardif_deactivate_interface(batman_if);
hardif_deactivate_interface(hard_iface);
break;
case NETDEV_UNREGISTER:
spin_lock(&hardif_list_lock);
list_del_rcu(&batman_if->list);
list_del_rcu(&hard_iface->list);
spin_unlock(&hardif_list_lock);
hardif_remove_interface(batman_if);
hardif_remove_interface(hard_iface);
break;
case NETDEV_CHANGEMTU:
if (batman_if->soft_iface)
update_min_mtu(batman_if->soft_iface);
if (hard_iface->soft_iface)
update_min_mtu(hard_iface->soft_iface);
break;
case NETDEV_CHANGEADDR:
if (batman_if->if_status == IF_NOT_IN_USE)
if (hard_iface->if_status == IF_NOT_IN_USE)
goto hardif_put;
check_known_mac_addr(batman_if->net_dev);
update_mac_addresses(batman_if);
check_known_mac_addr(hard_iface->net_dev);
update_mac_addresses(hard_iface);
bat_priv = netdev_priv(batman_if->soft_iface);
if (batman_if == bat_priv->primary_if)
bat_priv = netdev_priv(hard_iface->soft_iface);
if (hard_iface == bat_priv->primary_if)
update_primary_addr(bat_priv);
break;
default:
@ -546,7 +547,7 @@ static int hard_if_event(struct notifier_block *this,
};
hardif_put:
hardif_free_ref(batman_if);
hardif_free_ref(hard_iface);
out:
return NOTIFY_DONE;
}
@ -559,10 +560,10 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
{
struct bat_priv *bat_priv;
struct batman_packet *batman_packet;
struct batman_if *batman_if;
struct hard_iface *hard_iface;
int ret;
batman_if = container_of(ptype, struct batman_if, batman_adv_ptype);
hard_iface = container_of(ptype, struct hard_iface, batman_adv_ptype);
skb = skb_share_check(skb, GFP_ATOMIC);
/* skb was released by skb_share_check() */
@ -578,16 +579,16 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
|| !skb_mac_header(skb)))
goto err_free;
if (!batman_if->soft_iface)
if (!hard_iface->soft_iface)
goto err_free;
bat_priv = netdev_priv(batman_if->soft_iface);
bat_priv = netdev_priv(hard_iface->soft_iface);
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE)
goto err_free;
/* discard frames on not active interfaces */
if (batman_if->if_status != IF_ACTIVE)
if (hard_iface->if_status != IF_ACTIVE)
goto err_free;
batman_packet = (struct batman_packet *)skb->data;
@ -605,32 +606,32 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
switch (batman_packet->packet_type) {
/* batman originator packet */
case BAT_PACKET:
ret = recv_bat_packet(skb, batman_if);
ret = recv_bat_packet(skb, hard_iface);
break;
/* batman icmp packet */
case BAT_ICMP:
ret = recv_icmp_packet(skb, batman_if);
ret = recv_icmp_packet(skb, hard_iface);
break;
/* unicast packet */
case BAT_UNICAST:
ret = recv_unicast_packet(skb, batman_if);
ret = recv_unicast_packet(skb, hard_iface);
break;
/* fragmented unicast packet */
case BAT_UNICAST_FRAG:
ret = recv_ucast_frag_packet(skb, batman_if);
ret = recv_ucast_frag_packet(skb, hard_iface);
break;
/* broadcast packet */
case BAT_BCAST:
ret = recv_bcast_packet(skb, batman_if);
ret = recv_bcast_packet(skb, hard_iface);
break;
/* vis packet */
case BAT_VIS:
ret = recv_vis_packet(skb, batman_if);
ret = recv_vis_packet(skb, hard_iface);
break;
default:
ret = NET_RX_DROP;

12
net/batman-adv/hard-interface.h
View File

@ -31,18 +31,18 @@
extern struct notifier_block hard_if_notifier;
struct batman_if *get_batman_if_by_netdev(struct net_device *net_dev);
int hardif_enable_interface(struct batman_if *batman_if, char *iface_name);
void hardif_disable_interface(struct batman_if *batman_if);
struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev);
int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name);
void hardif_disable_interface(struct hard_iface *hard_iface);
void hardif_remove_interfaces(void);
int hardif_min_mtu(struct net_device *soft_iface);
void update_min_mtu(struct net_device *soft_iface);
void hardif_free_rcu(struct rcu_head *rcu);
static inline void hardif_free_ref(struct batman_if *batman_if)
static inline void hardif_free_ref(struct hard_iface *hard_iface)
{
if (atomic_dec_and_test(&batman_if->refcount))
call_rcu(&batman_if->rcu, hardif_free_rcu);
if (atomic_dec_and_test(&hard_iface->refcount))
call_rcu(&hard_iface->rcu, hardif_free_rcu);
}
#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */

8
net/batman-adv/main.c
View File

@ -153,14 +153,14 @@ void dec_module_count(void)
int is_my_mac(uint8_t *addr)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->if_status != IF_ACTIVE)
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->if_status != IF_ACTIVE)
continue;
if (compare_eth(batman_if->net_dev->dev_addr, addr)) {
if (compare_eth(hard_iface->net_dev->dev_addr, addr)) {
rcu_read_unlock();
return 1;
}

28
net/batman-adv/originator.c
View File

@ -73,7 +73,7 @@ void neigh_node_free_ref(struct neigh_node *neigh_node)
struct neigh_node *create_neighbor(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
uint8_t *neigh,
struct batman_if *if_incoming)
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node;
@ -487,9 +487,9 @@ static int orig_node_add_if(struct orig_node *orig_node, int max_if_num)
return 0;
}
int orig_hash_add_if(struct batman_if *batman_if, int max_if_num)
int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
@ -572,13 +572,13 @@ static int orig_node_del_if(struct orig_node *orig_node,
return 0;
}
int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
struct batman_if *batman_if_tmp;
struct hard_iface *hard_iface_tmp;
struct orig_node *orig_node;
int i, ret;
@ -591,7 +591,7 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
ret = orig_node_del_if(orig_node, max_if_num,
batman_if->if_num);
hard_iface->if_num);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
if (ret == -1)
@ -602,22 +602,22 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num)
/* renumber remaining batman interfaces _inside_ of orig_hash_lock */
rcu_read_lock();
list_for_each_entry_rcu(batman_if_tmp, &hardif_list, list) {
if (batman_if_tmp->if_status == IF_NOT_IN_USE)
list_for_each_entry_rcu(hard_iface_tmp, &hardif_list, list) {
if (hard_iface_tmp->if_status == IF_NOT_IN_USE)
continue;
if (batman_if == batman_if_tmp)
if (hard_iface == hard_iface_tmp)
continue;
if (batman_if->soft_iface != batman_if_tmp->soft_iface)
if (hard_iface->soft_iface != hard_iface_tmp->soft_iface)
continue;
if (batman_if_tmp->if_num > batman_if->if_num)
batman_if_tmp->if_num--;
if (hard_iface_tmp->if_num > hard_iface->if_num)
hard_iface_tmp->if_num--;
}
rcu_read_unlock();
batman_if->if_num = -1;
hard_iface->if_num = -1;
return 0;
err:

6
net/batman-adv/originator.h
View File

@ -32,11 +32,11 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr);
struct neigh_node *create_neighbor(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
uint8_t *neigh,
struct batman_if *if_incoming);
struct hard_iface *if_incoming);
void neigh_node_free_ref(struct neigh_node *neigh_node);
int orig_seq_print_text(struct seq_file *seq, void *offset);
int orig_hash_add_if(struct batman_if *batman_if, int max_if_num);
int orig_hash_del_if(struct batman_if *batman_if, int max_if_num);
int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num);
int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num);
/* returns 1 if they are the same originator */

48
net/batman-adv/routing.c
View File

@ -35,9 +35,9 @@
#include "gateway_client.h"
#include "unicast.h"
void slide_own_bcast_window(struct batman_if *batman_if)
void slide_own_bcast_window(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_node *node;
struct hlist_head *head;
@ -52,11 +52,11 @@ void slide_own_bcast_window(struct batman_if *batman_if)
rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
spin_lock_bh(&orig_node->ogm_cnt_lock);
word_index = batman_if->if_num * NUM_WORDS;
word_index = hard_iface->if_num * NUM_WORDS;
word = &(orig_node->bcast_own[word_index]);
bit_get_packet(bat_priv, word, 1, 0);
orig_node->bcast_own_sum[batman_if->if_num] =
orig_node->bcast_own_sum[hard_iface->if_num] =
bit_packet_count(word);
spin_unlock_bh(&orig_node->ogm_cnt_lock);
}
@ -143,7 +143,7 @@ void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
static int is_bidirectional_neigh(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
struct batman_packet *batman_packet,
struct batman_if *if_incoming)
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node;
@ -368,7 +368,7 @@ static void update_orig(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
struct batman_if *if_incoming,
struct hard_iface *if_incoming,
unsigned char *hna_buff, int hna_buff_len,
char is_duplicate)
{
@ -533,7 +533,7 @@ static int window_protected(struct bat_priv *bat_priv,
*/
static char count_real_packets(struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
struct batman_if *if_incoming)
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct orig_node *orig_node;
@ -598,10 +598,10 @@ static char count_real_packets(struct ethhdr *ethhdr,
void receive_bat_packet(struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
unsigned char *hna_buff, int hna_buff_len,
struct batman_if *if_incoming)
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct batman_if *batman_if;
struct hard_iface *hard_iface;
struct orig_node *orig_neigh_node, *orig_node;
char has_directlink_flag;
char is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
@ -643,23 +643,23 @@ void receive_bat_packet(struct ethhdr *ethhdr,
has_directlink_flag);
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->if_status != IF_ACTIVE)
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->if_status != IF_ACTIVE)
continue;
if (batman_if->soft_iface != if_incoming->soft_iface)
if (hard_iface->soft_iface != if_incoming->soft_iface)
continue;
if (compare_eth(ethhdr->h_source,
batman_if->net_dev->dev_addr))
hard_iface->net_dev->dev_addr))
is_my_addr = 1;
if (compare_eth(batman_packet->orig,
batman_if->net_dev->dev_addr))
hard_iface->net_dev->dev_addr))
is_my_orig = 1;
if (compare_eth(batman_packet->prev_sender,
batman_if->net_dev->dev_addr))
hard_iface->net_dev->dev_addr))
is_my_oldorig = 1;
if (compare_eth(ethhdr->h_source, broadcast_addr))
@ -828,7 +828,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
orig_node_free_ref(orig_node);
}
int recv_bat_packet(struct sk_buff *skb, struct batman_if *batman_if)
int recv_bat_packet(struct sk_buff *skb, struct hard_iface *hard_iface)
{
struct ethhdr *ethhdr;
@ -859,7 +859,7 @@ int recv_bat_packet(struct sk_buff *skb, struct batman_if *batman_if)
receive_aggr_bat_packet(ethhdr,
skb->data,
skb_headlen(skb),
batman_if);
hard_iface);
kfree_skb(skb);
return NET_RX_SUCCESS;
@ -997,7 +997,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
}
int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if)
int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct icmp_packet_rr *icmp_packet;
@ -1097,7 +1097,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if)
* refcount.*/
struct neigh_node *find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct batman_if *recv_if)
struct hard_iface *recv_if)
{
struct orig_node *primary_orig_node;
struct orig_node *router_orig;
@ -1263,7 +1263,7 @@ static int check_unicast_packet(struct sk_buff *skb, int hdr_size)
return 0;
}
int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if,
int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
@ -1349,7 +1349,7 @@ int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if,
return ret;
}
int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if)
int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct unicast_packet *unicast_packet;
int hdr_size = sizeof(struct unicast_packet);
@ -1368,7 +1368,7 @@ int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if)
return route_unicast_packet(skb, recv_if, hdr_size);
}
int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if)
int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
@ -1402,7 +1402,7 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if)
}
int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if)
int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
@ -1487,7 +1487,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if)
return ret;
}
int recv_vis_packet(struct sk_buff *skb, struct batman_if *recv_if)
int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct vis_packet *vis_packet;
struct ethhdr *ethhdr;

20
net/batman-adv/routing.h
View File

@ -22,25 +22,25 @@
#ifndef _NET_BATMAN_ADV_ROUTING_H_
#define _NET_BATMAN_ADV_ROUTING_H_
void slide_own_bcast_window(struct batman_if *batman_if);
void slide_own_bcast_window(struct hard_iface *hard_iface);
void receive_bat_packet(struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
unsigned char *hna_buff, int hna_buff_len,
struct batman_if *if_incoming);
struct hard_iface *if_incoming);
void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
struct neigh_node *neigh_node, unsigned char *hna_buff,
int hna_buff_len);
int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if,
int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size);
int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_vis_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_bat_packet(struct sk_buff *skb, struct batman_if *recv_if);
int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_bat_packet(struct sk_buff *skb, struct hard_iface *recv_if);
struct neigh_node *find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
struct batman_if *recv_if);
struct hard_iface *recv_if);
void bonding_candidate_del(struct orig_node *orig_node,
struct neigh_node *neigh_node);

101
net/batman-adv/send.c
View File

@ -56,20 +56,20 @@ static unsigned long forward_send_time(void)
/* send out an already prepared packet to the given address via the
* specified batman interface */
int send_skb_packet(struct sk_buff *skb,
struct batman_if *batman_if,
struct hard_iface *hard_iface,
uint8_t *dst_addr)
{
struct ethhdr *ethhdr;
if (batman_if->if_status != IF_ACTIVE)
if (hard_iface->if_status != IF_ACTIVE)
goto send_skb_err;
if (unlikely(!batman_if->net_dev))
if (unlikely(!hard_iface->net_dev))
goto send_skb_err;
if (!(batman_if->net_dev->flags & IFF_UP)) {
if (!(hard_iface->net_dev->flags & IFF_UP)) {
pr_warning("Interface %s is not up - can't send packet via "
"that interface!\n", batman_if->net_dev->name);
"that interface!\n", hard_iface->net_dev->name);
goto send_skb_err;
}
@ -80,7 +80,7 @@ int send_skb_packet(struct sk_buff *skb,
skb_reset_mac_header(skb);
ethhdr = (struct ethhdr *) skb_mac_header(skb);
memcpy(ethhdr->h_source, batman_if->net_dev->dev_addr, ETH_ALEN);
memcpy(ethhdr->h_source, hard_iface->net_dev->dev_addr, ETH_ALEN);
memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN);
ethhdr->h_proto = __constant_htons(ETH_P_BATMAN);
@ -88,7 +88,7 @@ int send_skb_packet(struct sk_buff *skb,
skb->priority = TC_PRIO_CONTROL;
skb->protocol = __constant_htons(ETH_P_BATMAN);
skb->dev = batman_if->net_dev;
skb->dev = hard_iface->net_dev;
/* dev_queue_xmit() returns a negative result on error. However on
* congestion and traffic shaping, it drops and returns NET_XMIT_DROP
@ -102,16 +102,16 @@ int send_skb_packet(struct sk_buff *skb,
/* Send a packet to a given interface */
static void send_packet_to_if(struct forw_packet *forw_packet,
struct batman_if *batman_if)
struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
char *fwd_str;
uint8_t packet_num;
int16_t buff_pos;
struct batman_packet *batman_packet;
struct sk_buff *skb;
if (batman_if->if_status != IF_ACTIVE)
if (hard_iface->if_status != IF_ACTIVE)
return;
packet_num = 0;
@ -126,7 +126,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
/* we might have aggregated direct link packets with an
* ordinary base packet */
if ((forw_packet->direct_link_flags & (1 << packet_num)) &&
(forw_packet->if_incoming == batman_if))
(forw_packet->if_incoming == hard_iface))
batman_packet->flags |= DIRECTLINK;
else
batman_packet->flags &= ~DIRECTLINK;
@ -142,7 +142,8 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
batman_packet->tq, batman_packet->ttl,
(batman_packet->flags & DIRECTLINK ?
"on" : "off"),
batman_if->net_dev->name, batman_if->net_dev->dev_addr);
hard_iface->net_dev->name,
hard_iface->net_dev->dev_addr);
buff_pos += sizeof(struct batman_packet) +
(batman_packet->num_hna * ETH_ALEN);
@ -154,13 +155,13 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
/* create clone because function is called more than once */
skb = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb)
send_skb_packet(skb, batman_if, broadcast_addr);
send_skb_packet(skb, hard_iface, broadcast_addr);
}
/* send a batman packet */
static void send_packet(struct forw_packet *forw_packet)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
struct net_device *soft_iface;
struct bat_priv *bat_priv;
struct batman_packet *batman_packet =
@ -204,17 +205,17 @@ static void send_packet(struct forw_packet *forw_packet)
/* broadcast on every interface */
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->soft_iface != soft_iface)
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
send_packet_to_if(forw_packet, batman_if);
send_packet_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
}
static void rebuild_batman_packet(struct bat_priv *bat_priv,
struct batman_if *batman_if)
struct hard_iface *hard_iface)
{
int new_len;
unsigned char *new_buff;
@ -226,7 +227,7 @@ static void rebuild_batman_packet(struct bat_priv *bat_priv,
/* keep old buffer if kmalloc should fail */
if (new_buff) {
memcpy(new_buff, batman_if->packet_buff,
memcpy(new_buff, hard_iface->packet_buff,
sizeof(struct batman_packet));
batman_packet = (struct batman_packet *)new_buff;
@ -234,21 +235,21 @@ static void rebuild_batman_packet(struct bat_priv *bat_priv,
new_buff + sizeof(struct batman_packet),
new_len - sizeof(struct batman_packet));
kfree(batman_if->packet_buff);
batman_if->packet_buff = new_buff;
batman_if->packet_len = new_len;
kfree(hard_iface->packet_buff);
hard_iface->packet_buff = new_buff;
hard_iface->packet_len = new_len;
}
}
void schedule_own_packet(struct batman_if *batman_if)
void schedule_own_packet(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface);
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
unsigned long send_time;
struct batman_packet *batman_packet;
int vis_server;
if ((batman_if->if_status == IF_NOT_IN_USE) ||
(batman_if->if_status == IF_TO_BE_REMOVED))
if ((hard_iface->if_status == IF_NOT_IN_USE) ||
(hard_iface->if_status == IF_TO_BE_REMOVED))
return;
vis_server = atomic_read(&bat_priv->vis_mode);
@ -260,51 +261,51 @@ void schedule_own_packet(struct batman_if *batman_if)
* outdated packets (especially uninitialized mac addresses) in the
* packet queue
*/
if (batman_if->if_status == IF_TO_BE_ACTIVATED)
batman_if->if_status = IF_ACTIVE;
if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
hard_iface->if_status = IF_ACTIVE;
/* if local hna has changed and interface is a primary interface */
if ((atomic_read(&bat_priv->hna_local_changed)) &&
(batman_if == bat_priv->primary_if))
rebuild_batman_packet(bat_priv, batman_if);
(hard_iface == bat_priv->primary_if))
rebuild_batman_packet(bat_priv, hard_iface);
/**
* NOTE: packet_buff might just have been re-allocated in
* rebuild_batman_packet()
*/
batman_packet = (struct batman_packet *)batman_if->packet_buff;
batman_packet = (struct batman_packet *)hard_iface->packet_buff;
/* change sequence number to network order */
batman_packet->seqno =
htonl((uint32_t)atomic_read(&batman_if->seqno));
htonl((uint32_t)atomic_read(&hard_iface->seqno));
if (vis_server == VIS_TYPE_SERVER_SYNC)
batman_packet->flags |= VIS_SERVER;
else
batman_packet->flags &= ~VIS_SERVER;
if ((batman_if == bat_priv->primary_if) &&
if ((hard_iface == bat_priv->primary_if) &&
(atomic_read(&bat_priv->gw_mode) == GW_MODE_SERVER))
batman_packet->gw_flags =
(uint8_t)atomic_read(&bat_priv->gw_bandwidth);
else
batman_packet->gw_flags = 0;
atomic_inc(&batman_if->seqno);
atomic_inc(&hard_iface->seqno);
slide_own_bcast_window(batman_if);
slide_own_bcast_window(hard_iface);
send_time = own_send_time(bat_priv);
add_bat_packet_to_list(bat_priv,
batman_if->packet_buff,
batman_if->packet_len,
batman_if, 1, send_time);
hard_iface->packet_buff,
hard_iface->packet_len,
hard_iface, 1, send_time);
}
void schedule_forward_packet(struct orig_node *orig_node,
struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
uint8_t directlink, int hna_buff_len,
struct batman_if *if_incoming)
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
unsigned char in_tq, in_ttl, tq_avg = 0;
@ -443,7 +444,7 @@ int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb)
static void send_outstanding_bcast_packet(struct work_struct *work)
{
struct batman_if *batman_if;
struct hard_iface *hard_iface;
struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet =
@ -461,14 +462,14 @@ static void send_outstanding_bcast_packet(struct work_struct *work)
/* rebroadcast packet */
rcu_read_lock();
list_for_each_entry_rcu(batman_if, &hardif_list, list) {
if (batman_if->soft_iface != soft_iface)
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
if (hard_iface->soft_iface != soft_iface)
continue;
/* send a copy of the saved skb */
skb1 = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb1)
send_skb_packet(skb1, batman_if, broadcast_addr);
send_skb_packet(skb1, hard_iface, broadcast_addr);
}
rcu_read_unlock();
@ -521,15 +522,15 @@ void send_outstanding_bat_packet(struct work_struct *work)
}
void purge_outstanding_packets(struct bat_priv *bat_priv,
struct batman_if *batman_if)
struct hard_iface *hard_iface)
{
struct forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
if (batman_if)
if (hard_iface)
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets(): %s\n",
batman_if->net_dev->name);
hard_iface->net_dev->name);
else
bat_dbg(DBG_BATMAN, bat_priv,
"purge_outstanding_packets()\n");
@ -543,8 +544,8 @@ void purge_outstanding_packets(struct bat_priv *bat_priv,
* if purge_outstanding_packets() was called with an argmument
* we delete only packets belonging to the given interface
*/
if ((batman_if) &&
(forw_packet->if_incoming != batman_if))
if ((hard_iface) &&
(forw_packet->if_incoming != hard_iface))
continue;
spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
@ -567,8 +568,8 @@ void purge_outstanding_packets(struct bat_priv *bat_priv,
* if purge_outstanding_packets() was called with an argmument
* we delete only packets belonging to the given interface
*/
if ((batman_if) &&
(forw_packet->if_incoming != batman_if))
if ((hard_iface) &&
(forw_packet->if_incoming != hard_iface))
continue;
spin_unlock_bh(&bat_priv->forw_bat_list_lock);

8
net/batman-adv/send.h
View File

@ -23,17 +23,17 @@
#define _NET_BATMAN_ADV_SEND_H_
int send_skb_packet(struct sk_buff *skb,
struct batman_if *batman_if,
struct hard_iface *hard_iface,
uint8_t *dst_addr);
void schedule_own_packet(struct batman_if *batman_if);
void schedule_own_packet(struct hard_iface *hard_iface);
void schedule_forward_packet(struct orig_node *orig_node,
struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
uint8_t directlink, int hna_buff_len,
struct batman_if *if_outgoing);
struct hard_iface *if_outgoing);
int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb);
void send_outstanding_bat_packet(struct work_struct *work);
void purge_outstanding_packets(struct bat_priv *bat_priv,
struct batman_if *batman_if);
struct hard_iface *hard_iface);
#endif /* _NET_BATMAN_ADV_SEND_H_ */

2
net/batman-adv/soft-interface.c
View File

@ -414,7 +414,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
}
void interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct batman_if *recv_if,
struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);

2
net/batman-adv/soft-interface.h
View File

@ -27,7 +27,7 @@ int softif_neigh_seq_print_text(struct seq_file *seq, void *offset);
void softif_neigh_purge(struct bat_priv *bat_priv);
int interface_tx(struct sk_buff *skb, struct net_device *soft_iface);
void interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct batman_if *recv_if,
struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size);
struct net_device *softif_create(char *name);
void softif_destroy(struct net_device *soft_iface);

8
net/batman-adv/types.h
View File

@ -33,7 +33,7 @@
sizeof(struct bcast_packet))))
struct batman_if {
struct hard_iface {
struct list_head list;
int16_t if_num;
char if_status;
@ -124,7 +124,7 @@ struct neigh_node {
atomic_t refcount;
struct rcu_head rcu;
struct orig_node *orig_node;
struct batman_if *if_incoming;
struct hard_iface *if_incoming;
};
@ -148,7 +148,7 @@ struct bat_priv {
struct hlist_head softif_neigh_list;
struct softif_neigh *softif_neigh;
struct debug_log *debug_log;
struct batman_if *primary_if;
struct hard_iface *primary_if;
struct kobject *mesh_obj;
struct dentry *debug_dir;
struct hlist_head forw_bat_list;
@ -217,7 +217,7 @@ struct forw_packet {
uint32_t direct_link_flags;
uint8_t num_packets;
struct delayed_work delayed_work;
struct batman_if *if_incoming;
struct hard_iface *if_incoming;
};
/* While scanning for vis-entries of a particular vis-originator

8
net/batman-adv/unicast.c
View File

@ -213,7 +213,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
}
int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct batman_if *batman_if, uint8_t dstaddr[])
struct hard_iface *hard_iface, uint8_t dstaddr[])
{
struct unicast_packet tmp_uc, *unicast_packet;
struct sk_buff *frag_skb;
@ -258,12 +258,12 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
frag1->flags = UNI_FRAG_HEAD | large_tail;
frag2->flags = large_tail;
seqno = atomic_add_return(2, &batman_if->frag_seqno);
seqno = atomic_add_return(2, &hard_iface->frag_seqno);
frag1->seqno = htons(seqno - 1);
frag2->seqno = htons(seqno);
send_skb_packet(skb, batman_if, dstaddr);
send_skb_packet(frag_skb, batman_if, dstaddr);
send_skb_packet(skb, hard_iface, dstaddr);
send_skb_packet(frag_skb, hard_iface, dstaddr);
return NET_RX_SUCCESS;
drop_frag:

2
net/batman-adv/unicast.h
View File

@ -32,7 +32,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
void frag_list_free(struct list_head *head);
int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
struct batman_if *batman_if, uint8_t dstaddr[]);
struct hard_iface *hard_iface, uint8_t dstaddr[]);
static inline int frag_can_reassemble(struct sk_buff *skb, int mtu)
{

6
net/batman-adv/vis.c
View File

@ -730,7 +730,7 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv,
struct orig_node *orig_node;
struct vis_packet *packet;
struct sk_buff *skb;
struct batman_if *batman_if;
struct hard_iface *hard_iface;
uint8_t dstaddr[ETH_ALEN];
int i;
@ -755,12 +755,12 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv,
continue;
memcpy(packet->target_orig, orig_node->orig, ETH_ALEN);
batman_if = orig_node->router->if_incoming;
hard_iface = orig_node->router->if_incoming;
memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
skb = skb_clone(info->skb_packet, GFP_ATOMIC);
if (skb)
send_skb_packet(skb, batman_if, dstaddr);
send_skb_packet(skb, hard_iface, dstaddr);
}
rcu_read_unlock();