package/mac80211/patches/306-rt2x00-Fix-HW-crypto-offset-calculation-rt2800pci.patch

   1 From e63585e28192e854707c549547645c669e6daa2a Mon Sep 17 00:00:00 2001
   2 From: Ivo van Doorn <IvDoorn@gmail.com>
   3 Date: Wed, 4 Mar 2009 20:25:43 +0100
   4 Subject: [PATCH] rt2x00: Fix HW crypto offset calculation (rt2800pci)
   5
   6 Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
   7 ---
   8  drivers/net/wireless/rt2x00/rt2800pci.c |    8 +++++---
   9  1 files changed, 5 insertions(+), 3 deletions(-)
  10
  11 --- a/drivers/net/wireless/rt2x00/rt2800pci.c
  12 +++ b/drivers/net/wireless/rt2x00/rt2800pci.c
  13 @@ -336,7 +336,8 @@ static void rt2800pci_config_wcid_attr(s
  14         rt2x00pci_register_read(rt2x00dev, offset, &reg);
  15         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
  16                            !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
  17 -       rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, crypto->cipher);
  18 +       rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
  19 +                          (crypto->cmd == SET_KEY) * crypto->cipher);
  20         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
  21                            (crypto->cmd == SET_KEY) * crypto->bssidx);
  22         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
  23 @@ -393,10 +394,11 @@ static int rt2800pci_config_shared_key(s
  24          * Using the correct defines correctly will cause overhead,
  25          * so just calculate the correct offset.
  26          */
  27 -       field.bit_offset = (4 * key->keyidx) + (16 * (crypto->bssidx & 1));
  28 +       field.bit_offset = 4 * (key->hw_key_idx % 8);
  29         field.bit_mask = 0x7 << field.bit_offset;
  30
  31 -       offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 2);
  32 +       offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
  33 +
  34         rt2x00pci_register_read(rt2x00dev, offset, &reg);
  35         rt2x00_set_field32(&reg, field,
  36                            (crypto->cmd == SET_KEY) * crypto->cipher);