From 58527421489dcc1110f6bcfd3b50d479199af4e0 Mon Sep 17 00:00:00 2001
From: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Date: Tue, 1 Mar 2016 19:18:07 +0200
Subject: wil6210: replay attack detection
Check PN for encrypted frames.
Maintain PN data for Rx keys, pairwise per TID and group.
Print PN's in the debugfs "stations" entry, like:
[0] 04:ce:14:0a:3c:3d connected
[ 0] ([32] 0 TU) 0x0fe [____________________________|___] total 252 drop 0 (dup 0 + old 0) last 0x000
[ 0] PN [0+]000000000000 [1-]000000000000 [2-]000000000000 [3-]000000000000
[GR] PN [0-]000000000000 [1+]000000000000 [2+]000000000000 [3-]000000000000
Rx invalid frame: non-data 0, short 0, large 0, replay 0
Rx/MCS: 0 110 65 65 65 0 12 0 0 0 0 0 0
[1] 00:00:00:00:00:00 unused
[2] 00:00:00:00:00:00 unused
[3] 00:00:00:00:00:00 unused
[4] 00:00:00:00:00:00 unused
[5] 00:00:00:00:00:00 unused
[6] 00:00:00:00:00:00 unused
[7] 00:00:00:00:00:00 unused
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Hamad Kadmany <qca_hkadmany@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
drivers/net/wireless/ath/wil6210/txrx.h | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
(limited to 'drivers/net/wireless/ath/wil6210/txrx.h')
diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h
index ee7c7b4b9a17..fcdffaa8251b 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.h
+++ b/drivers/net/wireless/ath/wil6210/txrx.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
+ * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -480,6 +480,16 @@ static inline int wil_rxdesc_ext_subtype(struct vring_rx_desc *d)
return WIL_GET_BITS(d->mac.d0, 28, 31);
}
+static inline int wil_rxdesc_key_id(struct vring_rx_desc *d)
+{
+ return WIL_GET_BITS(d->mac.d1, 4, 5);
+}
+
+static inline int wil_rxdesc_security(struct vring_rx_desc *d)
+{
+ return WIL_GET_BITS(d->mac.d1, 7, 7);
+}
+
static inline int wil_rxdesc_ds_bits(struct vring_rx_desc *d)
{
return WIL_GET_BITS(d->mac.d1, 8, 9);
--
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