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rt2800pci: fix comment about IV/EIV fields 

The bit tested by hardware is TXD_W3_WIV and its value
equals the negated value of ENTRY_TXD_ENCRYPT_IV bit.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-11-04 18:32:40 +01:00 committed by John W. Linville
parent 8807bb8cdd
commit 77dba49361
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/rt2x00/rt2800pci.c
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@ -2206,8 +2206,8 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
/*
* Always write 0 to IV/EIV fields, hardware will insert the IV
* from the IVEIV register when ENTRY_TXD_ENCRYPT_IV is set to 0.
* When ENTRY_TXD_ENCRYPT_IV is set to 1 it will use the IV data
* from the IVEIV register when TXD_W3_WIV is set to 0.
* When TXD_W3_WIV is set to 1 it will use the IV data
* from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
* crypto entry in the registers should be used to encrypt the frame.
*/