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authorNicolas Cavallari <Nicolas.Cavallari@lri.fr>2012-07-04 18:10:08 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-07-12 12:10:48 +0200
commit4922f71f2506e36d81a03f8fec4559bb7d175bf7 (patch)
tree44c1210e58a314f9263a78aa33a8b950488c306e /net/mac80211
parent46e6de159ddebc179cbae60fd7b728f57c39964b (diff)
downloadlinux-4922f71f2506e36d81a03f8fec4559bb7d175bf7.tar.bz2
mac80211: tx: do not drop non-robust mgmt to non-MFP stas.
When drop_unencrypted is enabled and MFP is disabled, non-robust management frames for not-yet associated STA are dropped. This isn't visible as many management frames sent from the kernel have TX_INTFL_DONT_ENCRYPT set and management frames injected from a monitor vif have TX_CTL_INJECTED so aren't dropped. But management frames sent from userspace via NL80211_CMD_FRAME do not have this flag set, so are dropped. This patch make it always accept non-robust management frames. Signed-off-by: Nicolas Cavallari <cavallar@lri.fr> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/tx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a79fd868566d..b755e778b0c4 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -552,6 +552,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
!(ieee80211_is_action(hdr->frame_control) &&
tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))
tx->key = NULL;
+ else if (ieee80211_is_mgmt(hdr->frame_control) &&
+ !ieee80211_is_robust_mgmt_frame(hdr))
+ tx->key = NULL;
else {
I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
return TX_DROP;