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From e63585e28192e854707c549547645c669e6daa2a Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Wed, 4 Mar 2009 20:25:43 +0100
Subject: [PATCH] rt2x00: Fix HW crypto offset calculation (rt2800pci)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2800pci.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -336,7 +336,8 @@ static void rt2800pci_config_wcid_attr(s
rt2x00pci_register_read(rt2x00dev, offset, ®);
rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_KEYTAB,
!!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
- rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER, crypto->cipher);
+ rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_CIPHER,
+ (crypto->cmd == SET_KEY) * crypto->cipher);
rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_BSS_IDX,
(crypto->cmd == SET_KEY) * crypto->bssidx);
rt2x00_set_field32(®, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
@@ -393,10 +394,11 @@ static int rt2800pci_config_shared_key(s
* Using the correct defines correctly will cause overhead,
* so just calculate the correct offset.
*/
- field.bit_offset = (4 * key->keyidx) + (16 * (crypto->bssidx & 1));
+ field.bit_offset = 4 * (key->hw_key_idx % 8);
field.bit_mask = 0x7 << field.bit_offset;
- offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 2);
+ offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
+
rt2x00pci_register_read(rt2x00dev, offset, ®);
rt2x00_set_field32(®, field,
(crypto->cmd == SET_KEY) * crypto->cipher);
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