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nl80211: prepare for non-netdev wireless devs

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In order to support a P2P device abstraction and
Bluetooth high-speed AMPs, we need to have a way
to identify virtual interfaces that don't have a
netdev associated.

Do this by adding a NL80211_ATTR_WDEV attribute
to identify a wdev which may or may not also be
a netdev.

To simplify things, use a 64-bit value with the
high 32 bits being the wiphy index for this new
wdev identifier in the nl80211 API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2012-06-15 14:33:17 +02:00
parent f72b85b8eb
commit 89a54e48b9
7 changed files with 144 additions and 47 deletions
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6
net/wireless/core.h
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@@ -47,11 +47,11 @@ struct cfg80211_registered_device {
/* wiphy index, internal only */
int wiphy_idx;
/* associate netdev list */
/* associated wireless interfaces */
struct mutex devlist_mtx;
/* protected by devlist_mtx or RCU */
struct list_head netdev_list;
int devlist_generation;
struct list_head wdev_list;
int devlist_generation, wdev_id;
int opencount; /* also protected by devlist_mtx */
wait_queue_head_t dev_wait;