summaryrefslogtreecommitdiffstats
path: root/drivers/net
diff options
context:
space:
mode:
authorGertjan van Wingerde <gwingerde@gmail.com>2011-01-30 13:22:41 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-21 15:02:58 -0500
commita866a2cc1c558089dd4c627eeb300142b1354474 (patch)
tree54372b6efee6de0396d27f6cc37bbff8cb067044 /drivers/net
parent573cfde7aaeaadb0fd356ff2a14bdf9238967661 (diff)
rt2x00: Fix WPA TKIP Michael MIC failures.
As reported and found by Johannes Stezenbach: rt2800{pci,usb} do not report the Michael MIC in RXed frames, but do check the Michael MIC in hardware. Therefore we have to report to mac80211 that the received frame does not include the Michael MIC. https://bugzilla.kernel.org/show_bug.cgi?id=16608 Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c6
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c6
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 7951cdaa9c0..3b3f1e45ab3 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -652,6 +652,12 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry,
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+ /*
+ * The hardware has already checked the Michael Mic and has
+ * stripped it from the frame. Signal this to mac80211.
+ */
+ rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
rxdesc->flags |= RX_FLAG_DECRYPTED;
else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index b97a4a54ff4..197a36c05fd 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -486,6 +486,12 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+ /*
+ * The hardware has already checked the Michael Mic and has
+ * stripped it from the frame. Signal this to mac80211.
+ */
+ rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+
if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
rxdesc->flags |= RX_FLAG_DECRYPTED;
else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)