diff options
| author | Stanislaw Gruszka <stf_xl@wp.pl> | 2013-04-17 16:30:48 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-04-22 23:20:20 +0400 |
| commit | 557985ae3442b43a776e58a494e1b6f549321ce2 (patch) | |
| tree | 1da060b45d474b8606a6c318dcf063da9d135cf3 /drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | f0bda571047746365569fccaede86adf6c0dfe8a (diff) | |
| download | linux-557985ae3442b43a776e58a494e1b6f549321ce2.tar.xz | |
rt2800: nulify all last words of TXWI
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 5c20e98b4808..35f58bbf25c1 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -542,6 +542,7 @@ void rt2800_write_tx_data(struct queue_entry *entry, { __le32 *txwi = rt2800_drv_get_txwi(entry); u32 word; + int i; /* * Initialize TX Info descriptor @@ -584,14 +585,16 @@ void rt2800_write_tx_data(struct queue_entry *entry, rt2x00_desc_write(txwi, 1, word); /* - * Always write 0 to IV/EIV fields, hardware will insert the IV - * from the IVEIV register when TXD_W3_WIV is set to 0. + * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert + * the IV 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. + * + * Nulify all remaining words as well, we don't know how to program them. */ - _rt2x00_desc_write(txwi, 2, 0 /* skbdesc->iv[0] */); - _rt2x00_desc_write(txwi, 3, 0 /* skbdesc->iv[1] */); + for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++) + _rt2x00_desc_write(txwi, i, 0); } EXPORT_SYMBOL_GPL(rt2800_write_tx_data); |