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ath5k: support for FIF_FCSFAIL filter

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When the FIF_FCSFAIL filter flag is set, pass frames with CRC errors.

Signed-off-by: Mathy Vanhoef <vanhoefm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mathy Vanhoef
2014-06-13 23:40:22 +02:00
committed by John W. Linville
parent c64800e772
commit 41881354f9
3 changed files with 17 additions and 2 deletions
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16
drivers/net/wireless/ath/ath5k/base.c
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@@ -1382,6 +1382,9 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
rxs->flag = 0;
if (unlikely(rs->rs_status & AR5K_RXERR_MIC))
rxs->flag |= RX_FLAG_MMIC_ERROR;
if (unlikely(rs->rs_status & AR5K_RXERR_CRC))
rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
/*
* always extend the mac timestamp, since this information is
@@ -1449,6 +1452,8 @@ ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
ah->stats.rx_bytes_count += rs->rs_datalen;
if (unlikely(rs->rs_status)) {
unsigned int filters;
if (rs->rs_status & AR5K_RXERR_CRC)
ah->stats.rxerr_crc++;
if (rs->rs_status & AR5K_RXERR_FIFO)
@@ -1480,8 +1485,15 @@ ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
return true;
}
/* reject any frames with non-crypto errors */
if (rs->rs_status & ~(AR5K_RXERR_DECRYPT))
/*
* Reject any frames with non-crypto errors, and take into account the
* current FIF_* filters.
*/
filters = AR5K_RXERR_DECRYPT;
if (ah->fif_filter_flags & FIF_FCSFAIL)
filters |= AR5K_RXERR_CRC;
if (rs->rs_status & ~filters)
return false;
}