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From: Johannes Berg <johannes@sipsolutions.net>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH 4/5] mac80211: dont advertise WEP if unavailable
Date: Tue, 10 Aug 2010 09:46:41 +0200	[thread overview]
Message-ID: <20100810074700.566831120@sipsolutions.net> (raw)
In-Reply-To: 20100810074637.034583799@sipsolutions.net

From: Johannes Berg <johannes.berg@intel.com>

When WEP is unavailable, don't advertise it
to cfg80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/main.c |    5 +++++
 1 file changed, 5 insertions(+)

--- wireless-testing.orig/net/mac80211/main.c	2010-08-08 11:11:08.000000000 +0200
+++ wireless-testing/net/mac80211/main.c	2010-08-08 11:21:24.000000000 +0200
@@ -509,6 +509,7 @@ int ieee80211_register_hw(struct ieee802
 	int channels, max_bitrates;
 	bool supp_ht;
 	static const u32 cipher_suites[] = {
+		/* keep WEP first, it may be removed below */
 		WLAN_CIPHER_SUITE_WEP40,
 		WLAN_CIPHER_SUITE_WEP104,
 		WLAN_CIPHER_SUITE_TKIP,
@@ -596,6 +597,10 @@ int ieee80211_register_hw(struct ieee802
 	local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
 	if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))
 		local->hw.wiphy->n_cipher_suites--;
+	if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {
+		local->hw.wiphy->cipher_suites += 2;
+		local->hw.wiphy->n_cipher_suites -= 2;
+	}
 
 	result = wiphy_register(local->hw.wiphy);
 	if (result < 0)



  parent reply	other threads:[~2010-08-10  7:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-10  7:46 [PATCH 0/5] mac80211 crypto cleanups Johannes Berg
2010-08-10  7:46 ` [PATCH 1/5] mac80211: use cipher suite selectors Johannes Berg
2010-08-10  7:46 ` [PATCH 2/5] mac80211: move key tfm setup Johannes Berg
2010-08-10  7:46 ` [PATCH 3/5] mac80211: remove unused status flag checks Johannes Berg
2010-08-11 11:51   ` Juuso Oikarinen
2010-08-11 12:12     ` Juuso Oikarinen
2010-08-11 12:39       ` Johannes Berg
2010-08-12  4:57         ` Juuso Oikarinen
2010-08-10  7:46 ` Johannes Berg [this message]
2010-08-10  7:46 ` [PATCH 5/5] cfg80211: check if WEP is available for shared key auth Johannes Berg

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