From: Andrew Lunn andrew@lunn.ch
When creating a soft interface, create it in the same netns as the hard interface. Replace all references to init_net with the correct name space for the interface being manipulated.
Suggested-by: Daniel Ehlers danielehlers@mindeye.net Signed-off-by: Andrew Lunn andrew@lunn.ch Acked-by: Antonio Quartulli a@unstable.cc Signed-off-by: Sven Eckelmann sven@narfation.org Signed-off-by: Marek Lindner mareklindner@neomailbox.ch Signed-off-by: Antonio Quartulli a@unstable.cc --- net/batman-adv/hard-interface.c | 10 +++++----- net/batman-adv/hard-interface.h | 3 ++- net/batman-adv/soft-interface.c | 7 +++++-- net/batman-adv/soft-interface.h | 3 ++- net/batman-adv/sysfs.c | 3 ++- net/batman-adv/translation-table.c | 4 ++-- 6 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 0a7deaf2670a..f0e1899e5b6b 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -36,7 +36,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/workqueue.h> -#include <net/net_namespace.h>
#include "bridge_loop_avoidance.h" #include "debugfs.h" @@ -121,6 +120,7 @@ static bool batadv_mutual_parents(const struct net_device *dev1, 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 */ @@ -133,7 +133,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev) 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; @@ -456,7 +456,7 @@ static int batadv_master_del_slave(struct batadv_hard_iface *slave, }
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; @@ -470,10 +470,10 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, if (!kref_get_unless_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; diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h index d74f1983f33e..a76724d369bf 100644 --- a/net/batman-adv/hard-interface.h +++ b/net/batman-adv/hard-interface.h @@ -28,6 +28,7 @@ #include <linux/types.h>
struct net_device; +struct net;
enum batadv_hard_if_state { BATADV_IF_NOT_IN_USE, @@ -55,7 +56,7 @@ bool batadv_is_wifi_iface(int ifindex); 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); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 66dd0aac480a..04866c9b860a 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -885,13 +885,14 @@ static int batadv_softif_slave_add(struct net_device *dev, 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) @@ -988,7 +989,7 @@ static void batadv_softif_init_early(struct net_device *dev) 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; @@ -998,6 +999,8 @@ struct net_device *batadv_softif_create(const char *name) if (!soft_iface) return NULL;
+ dev_net_set(soft_iface, net); + soft_iface->rtnl_link_ops = &batadv_link_ops;
ret = register_netdevice(soft_iface); diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h index 5942da3d03d5..b0966342a986 100644 --- a/net/batman-adv/soft-interface.h +++ b/net/batman-adv/soft-interface.h @@ -23,13 +23,14 @@ #include <net/rtnetlink.h>
struct net_device; +struct net; struct sk_buff;
int batadv_skb_head_push(struct sk_buff *skb, unsigned int len); void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb, 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; diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c index e7cf51333a36..6b1e54f3250a 100644 --- a/net/batman-adv/sysfs.c +++ b/net/batman-adv/sysfs.c @@ -830,6 +830,7 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj, 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; @@ -873,7 +874,7 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj, 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(); diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 942b3aa00bed..6ea6e9bf9a8c 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -43,7 +43,6 @@ #include <linux/stddef.h> #include <linux/string.h> #include <linux/workqueue.h> -#include <net/net_namespace.h>
#include "bridge_loop_avoidance.h" #include "hard-interface.h" @@ -585,6 +584,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, struct batadv_priv *bat_priv = netdev_priv(soft_iface); struct batadv_tt_local_entry *tt_local; struct batadv_tt_global_entry *tt_global = NULL; + struct net *net = dev_net(soft_iface); struct batadv_softif_vlan *vlan; struct net_device *in_dev = NULL; struct hlist_head *head; @@ -596,7 +596,7 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, u32 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);