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cfg80211: don't drop p2p probe responses

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Commit 0a35d36 ("cfg80211: Use capability info to detect mesh beacons")
assumed that probe response with both ESS and IBSS bits cleared
means that the frame was sent by a mesh sta.

However, these capabilities are also being used in the p2p_find phase,
and the mesh-validation broke it.

Rename the WLAN_CAPABILITY_IS_MBSS macro, and verify that mesh ies
exist before assuming this frame was sent by a mesh sta.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Eliad Peller 2011-05-29 15:53:20 +03:00 • committed by John W. Linville
parent 1144181c1b
commit 333ba73252
2 changed files with 30 additions and 21 deletions
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8
include/linux/ieee80211.h
View file

@ -1003,8 +1003,12 @@ struct ieee80211_ht_info {
#define WLAN_CAPABILITY_ESS (1<<0)
#define WLAN_CAPABILITY_IBSS (1<<1)
/* A mesh STA sets the ESS and IBSS capability bits to zero */
#define WLAN_CAPABILITY_IS_MBSS(cap) \
/*
* A mesh STA sets the ESS and IBSS capability bits to zero.
* however, this holds true for p2p probe responses (in the p2p_find
* phase) as well.
*/
#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)