diff options
| author | Gertjan van Wingerde <gwingerde@gmail.com> | 2010-05-08 23:40:22 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-05-10 14:56:48 -0400 |
| commit | 2de64dd22d0390688b853788dcadee3c0ad9e518 (patch) | |
| tree | b0a6197647817f13a49dfab29899653377027a40 /drivers/net/wireless/rt2x00/rt2800lib.c | |
| parent | 59679b91d1d33ebe90b72ffded9a57dba788fa6b (diff) | |
rt2x00: Factor out RXWI processing to common rt2800 code.
RXWI processing is exactly the same for rt2800pci and rt2800usb, so
make it common code.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
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 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 28d82ce05527..7410ac1acaff 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -335,6 +335,50 @@ void rt2800_write_txwi(struct sk_buff *skb, struct txentry_desc *txdesc) } EXPORT_SYMBOL_GPL(rt2800_write_txwi); +void rt2800_process_rxwi(struct sk_buff *skb, struct rxdone_entry_desc *rxdesc) +{ + __le32 *rxwi = (__le32 *) skb->data; + u32 word; + + rt2x00_desc_read(rxwi, 0, &word); + + rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF); + rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT); + + rt2x00_desc_read(rxwi, 1, &word); + + if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI)) + rxdesc->flags |= RX_FLAG_SHORT_GI; + + if (rt2x00_get_field32(word, RXWI_W1_BW)) + rxdesc->flags |= RX_FLAG_40MHZ; + + /* + * Detect RX rate, always use MCS as signal type. + */ + rxdesc->dev_flags |= RXDONE_SIGNAL_MCS; + rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS); + rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE); + + /* + * Mask of 0x8 bit to remove the short preamble flag. + */ + if (rxdesc->rate_mode == RATE_MODE_CCK) + rxdesc->signal &= ~0x8; + + rt2x00_desc_read(rxwi, 2, &word); + + rxdesc->rssi = + (rt2x00_get_field32(word, RXWI_W2_RSSI0) + + rt2x00_get_field32(word, RXWI_W2_RSSI1)) / 2; + + /* + * Remove RXWI descriptor from start of buffer. + */ + skb_pull(skb, RXWI_DESC_SIZE); +} +EXPORT_SYMBOL_GPL(rt2800_process_rxwi); + #ifdef CONFIG_RT2X00_LIB_DEBUGFS const struct rt2x00debug rt2800_rt2x00debug = { .owner = THIS_MODULE, |