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vlan: introduce vid list with reference counting

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This allows to keep track of vids needed to be in rx vlan filters of
devices even if they are used in bond/team etc.

vlan_info as well as vlan_group previously was, is allocated when first
vid is added and dealocated whan last vid is deleted.

vlan_group definition is moved to private header.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2011-12-08 04:11:18 +00:00
committed by David S. Miller
parent 87002b03ba
commit 5b9ea6e022
5 changed files with 219 additions and 89 deletions
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3
include/linux/netdevice.h
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@@ -55,7 +55,6 @@
#include <linux/netdev_features.h>
struct vlan_group;
struct netpoll_info;
struct phy_device;
/* 802.11 specific */
@@ -1096,7 +1095,7 @@ struct net_device {
/* Protocol specific pointers */
#if IS_ENABLED(CONFIG_VLAN_8021Q)
struct vlan_group __rcu *vlgrp; /* VLAN group */
struct vlan_info __rcu *vlan_info; /* VLAN info */
#endif
#if IS_ENABLED(CONFIG_NET_DSA)
struct dsa_switch_tree *dsa_ptr; /* dsa specific data */