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2cd45a0671
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>
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
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#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
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#include "main.h"
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#include <linux/compiler.h>
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#include <linux/kref.h>
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#include <linux/notifier.h>
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#include <linux/rcupdate.h>
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#include <linux/stddef.h>
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#include <linux/types.h>
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struct net_device;
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struct net;
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enum batadv_hard_if_state {
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BATADV_IF_NOT_IN_USE,
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BATADV_IF_TO_BE_REMOVED,
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BATADV_IF_INACTIVE,
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BATADV_IF_ACTIVE,
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BATADV_IF_TO_BE_ACTIVATED,
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BATADV_IF_I_WANT_YOU,
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};
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/**
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* enum batadv_hard_if_cleanup - Cleanup modi for soft_iface after slave removal
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* @BATADV_IF_CLEANUP_KEEP: Don't automatically delete soft-interface
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* @BATADV_IF_CLEANUP_AUTO: Delete soft-interface after last slave was removed
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*/
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enum batadv_hard_if_cleanup {
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BATADV_IF_CLEANUP_KEEP,
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BATADV_IF_CLEANUP_AUTO,
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};
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extern struct notifier_block batadv_hard_if_notifier;
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bool batadv_is_wifi_netdev(struct net_device *net_device);
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bool batadv_is_wifi_iface(int ifindex);
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struct batadv_hard_iface*
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batadv_hardif_get_by_netdev(const struct net_device *net_dev);
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int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
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struct net *net, const char *iface_name);
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void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
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enum batadv_hard_if_cleanup autodel);
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void batadv_hardif_remove_interfaces(void);
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int batadv_hardif_min_mtu(struct net_device *soft_iface);
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void batadv_update_min_mtu(struct net_device *soft_iface);
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void batadv_hardif_release(struct kref *ref);
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/**
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* batadv_hardif_put - decrement the hard interface refcounter and possibly
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* release it
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* @hard_iface: the hard interface to free
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*/
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static inline void batadv_hardif_put(struct batadv_hard_iface *hard_iface)
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{
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kref_put(&hard_iface->refcount, batadv_hardif_release);
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}
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static inline struct batadv_hard_iface *
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batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
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{
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struct batadv_hard_iface *hard_iface;
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rcu_read_lock();
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hard_iface = rcu_dereference(bat_priv->primary_if);
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if (!hard_iface)
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goto out;
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if (!kref_get_unless_zero(&hard_iface->refcount))
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hard_iface = NULL;
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out:
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rcu_read_unlock();
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return hard_iface;
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}
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#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */
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