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authorLinus Lüssing <ll@simonwunderlich.de>2019-11-15 11:56:12 +0100
committerKalle Valo <kvalo@codeaurora.org>2019-11-25 14:13:25 +0200
commitea0c3e2a470271573d480f48a67e74633566a317 (patch)
tree098502604a5cc48590d2f312ea7ed80b1d8317b6 /drivers/net/wireless/ath/ath10k/debug.c
parent7005eafc1f1cb0a525631c2214f760d6fb636ebb (diff)
downloadlinux-ea0c3e2a470271573d480f48a67e74633566a317.tar.bz2
ath10k: fix RX of frames with broken FCS in monitor mode
So far, frames were forwarded regardless of the FCS correctness leading to userspace applications listening on the monitor mode interface to receive potentially broken frames, even with the "fcsfail" flag unset. By default, with the "fcsfail" flag of a monitor mode interface unset, frames with FCS errors should be dropped. With this patch, the fcsfail flag is taken into account correctly. Tested-on: QCA4019 firmware-5-ct-full-community-12.bin-lede.011 Cc: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Linus Lüssing <ll@simonwunderlich.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/debug.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 04c50a26a4f4..e000677ac516 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1094,6 +1094,7 @@ static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
"d_rts_good",
"d_tx_power", /* in .5 dbM I think */
"d_rx_crc_err", /* fcs_bad */
+ "d_rx_crc_err_drop", /* frame with FCS error, dropped late in kernel */
"d_no_beacon",
"d_tx_mpdus_queued",
"d_tx_msdu_queued",
@@ -1193,6 +1194,7 @@ void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
data[i++] = pdev_stats->rts_good;
data[i++] = pdev_stats->chan_tx_power;
data[i++] = pdev_stats->fcs_bad;
+ data[i++] = ar->stats.rx_crc_err_drop;
data[i++] = pdev_stats->no_beacons;
data[i++] = pdev_stats->mpdu_enqued;
data[i++] = pdev_stats->msdu_enqued;