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Bug #179 » 0002-batman-adv-Restrict-movement-of-batman-interfaces-be.patch

Florian Steinel, 08/09/2015 12:08 AM

View differences:

net/batman-adv/hard-interface.c
static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
{
struct net_device *parent_dev;
struct net *net = dev_net(net_dev);
bool ret;
/* check if this is a batman-adv mesh interface */
......
return false;
/* recurse over the parent device */
parent_dev = __dev_get_by_index(&init_net, dev_get_iflink(net_dev));
parent_dev = __dev_get_by_index(net, dev_get_iflink(net_dev));
/* if we got a NULL parent_dev there is something broken.. */
if (WARN(!parent_dev, "Cannot find parent device"))
return false;
......
}
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name)
struct net *net, const char *iface_name)
{
struct batadv_priv *bat_priv;
struct net_device *soft_iface, *master;
......
if (!atomic_inc_not_zero(&hard_iface->refcount))
goto out;
soft_iface = dev_get_by_name(&init_net, iface_name);
soft_iface = dev_get_by_name(net, iface_name);
if (!soft_iface) {
soft_iface = batadv_softif_create(iface_name);
soft_iface = batadv_softif_create(net, iface_name);
if (!soft_iface) {
ret = -ENOMEM;
net/batman-adv/hard-interface.h
struct batadv_hard_iface*
batadv_hardif_get_by_netdev(const struct net_device *net_dev);
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name);
struct net *net, const char *iface_name);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
enum batadv_hard_if_cleanup autodel);
void batadv_hardif_remove_interfaces(void);
net/batman-adv/soft-interface.c
#include <linux/string.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include <net/net_namespace.h>
#include "bridge_loop_avoidance.h"
#include "debugfs.h"
......
struct net_device *slave_dev)
{
struct batadv_hard_iface *hard_iface;
struct net *net = dev_net(dev);
int ret = -EINVAL;
hard_iface = batadv_hardif_get_by_netdev(slave_dev);
if (!hard_iface || hard_iface->soft_iface)
goto out;
ret = batadv_hardif_enable_interface(hard_iface, dev->name);
ret = batadv_hardif_enable_interface(hard_iface, net, dev->name);
out:
if (hard_iface)
......
memset(priv, 0, sizeof(*priv));
}
struct net_device *batadv_softif_create(const char *name)
struct net_device *batadv_softif_create(struct net *net, const char *name)
{
struct net_device *soft_iface;
int ret;
......
if (!soft_iface)
return NULL;
dev_net_set(soft_iface, net);
soft_iface->rtnl_link_ops = &batadv_link_ops;
ret = register_netdevice(soft_iface);
net/batman-adv/soft-interface.h
void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct batadv_hard_iface *recv_if,
int hdr_size, struct batadv_orig_node *orig_node);
struct net_device *batadv_softif_create(const char *name);
struct net_device *batadv_softif_create(struct net *net, const char *name);
void batadv_softif_destroy_sysfs(struct net_device *soft_iface);
int batadv_softif_is_valid(const struct net_device *net_dev);
extern struct rtnl_link_ops batadv_link_ops;
net/batman-adv/sysfs.c
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/stringify.h>
#include <net/net_namespace.h>
#include "distributed-arp-table.h"
#include "gateway_client.h"
......
size_t count)
{
struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct net *net = dev_net(net_dev);
struct batadv_hard_iface *hard_iface;
int status_tmp = -1;
int ret = count;
......
batadv_hardif_disable_interface(hard_iface,
BATADV_IF_CLEANUP_AUTO);
ret = batadv_hardif_enable_interface(hard_iface, buff);
ret = batadv_hardif_enable_interface(hard_iface, net, buff);
unlock:
rtnl_unlock();
net/batman-adv/translation-table.c
struct batadv_tt_global_entry *tt_global = NULL;
struct batadv_softif_vlan *vlan;
struct net_device *in_dev = NULL;
struct net *net = dev_net(soft_iface);
struct hlist_head *head;
struct batadv_tt_orig_list_entry *orig_entry;
int hash_added, table_size, packet_size_max;
......
uint32_t match_mark;
if (ifindex != BATADV_NULL_IFINDEX)
in_dev = dev_get_by_index(&init_net, ifindex);
in_dev = dev_get_by_index(net, ifindex);
tt_local = batadv_tt_local_hash_find(bat_priv, addr, vid);
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