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mac80211: Scale down to non-HT association with TKIP/WEP as pairwise cipher

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As TKIP is not updated to new security needs which arise when
TKIP is used to encrypt A-MPDU aggregated data frames, IEEE802.11n
does not allow any cipher other than CCMP (Which has new extensions
defined) as pairwise cipher between HT peers.

When such configuration (TKIP/WEP in HT) is forced, we still
associate in non-HT mode (11a/b/g).

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan
2008-12-23 21:30:50 +05:30
committed by John W. Linville
parent 9ee677c227
commit eb46936b9f
4 changed files with 22 additions and 3 deletions
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1
net/mac80211/ieee80211_i.h
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@@ -258,6 +258,7 @@ struct mesh_preq_queue {
#define IEEE80211_STA_AUTO_BSSID_SEL BIT(11)
#define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12)
#define IEEE80211_STA_PRIVACY_INVOKED BIT(13)
#define IEEE80211_STA_TKIP_WEP_USED BIT(14)
/* flags for MLME request */
#define IEEE80211_STA_REQ_SCAN 0
#define IEEE80211_STA_REQ_DIRECT_PROBE 1