aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath5k/base.c
diff options
context:
space:
mode:
authorMathy Vanhoef <vanhoefm@gmail.com>2014-06-13 23:40:22 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-07-01 14:26:25 -0400
commit41881354f93a5e82f16c811f95e0700bf99283ec (patch)
tree95b29e51deb99142cfac4a1c0ddc40485c2e4746 /drivers/net/wireless/ath/ath5k/base.c
parentc64800e772a03a8162e107c2d03d06175fff443d (diff)
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.c16
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;
}