diff options
| author | Mathy Vanhoef <vanhoefm@gmail.com> | 2014-06-14 01:40:22 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-07-01 22:26:25 +0400 |
| commit | 41881354f93a5e82f16c811f95e0700bf99283ec (patch) | |
| tree | 95b29e51deb99142cfac4a1c0ddc40485c2e4746 /drivers/net/wireless/ath/ath5k/base.c | |
| parent | c64800e772a03a8162e107c2d03d06175fff443d (diff) | |
| download | linux-41881354f93a5e82f16c811f95e0700bf99283ec.tar.xz | |
ath5k: support for FIF_FCSFAIL filter
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 16 |
1 files changed, 14 insertions, 2 deletions
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; } |