From 41881354f93a5e82f16c811f95e0700bf99283ec Mon Sep 17 00:00:00 2001 From: Mathy Vanhoef Date: Fri, 13 Jun 2014 23:40:22 +0200 Subject: ath5k: support for FIF_FCSFAIL filter When the FIF_FCSFAIL filter flag is set, pass frames with CRC errors. Signed-off-by: Mathy Vanhoef Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath5k/base.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath/ath5k/base.c') diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 4b18434ba697..5839a3434119 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -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; } -- cgit v1.2.3