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ath9k: add counters for good and errorneous FFT/spectral frames 

This is helpful to see whether spectral samples get discarded.

Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Simon Wunderlich 2018-10-01 17:26:42 +03:00 committed by Kalle Valo
parent ec95e84c39
commit 03224678c0
3 changed files with 19 additions and 2 deletions
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2
drivers/net/wireless/ath/ath9k/common-debug.c
View File

@ -144,6 +144,8 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
RXS_ERR("BEACONS", rx_beacons);
RXS_ERR("FRAGS", rx_frags);
RXS_ERR("SPECTRAL", rx_spectral);
RXS_ERR("SPECTRAL SMPL GOOD", rx_spectral_sample_good);
RXS_ERR("SPECTRAL SMPL ERR", rx_spectral_sample_err);
RXS_ERR("CRC ERR", crc_err);
RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);

4
drivers/net/wireless/ath/ath9k/common-debug.h
View File

@ -39,6 +39,8 @@
* @rx_beacons: No. of beacons received.
* @rx_frags: No. of rx-fragements received.
* @rx_spectral: No of spectral packets received.
* @rx_spectral_sample_good: No. of good spectral samples
* @rx_spectral_sample_err: No. of good spectral samples
*/
struct ath_rx_stats {
u32 rx_pkts_all;
@ -58,6 +60,8 @@ struct ath_rx_stats {
u32 rx_beacons;
u32 rx_frags;
u32 rx_spectral;
u32 rx_spectral_sample_good;
u32 rx_spectral_sample_err;
};
#ifdef CONFIG_ATH9K_COMMON_DEBUG

15
drivers/net/wireless/ath/ath9k/common-spectral.c
View File

@ -501,6 +501,7 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
u8 sample_buf[SPECTRAL_SAMPLE_MAX_LEN] = {0};
struct ath_hw *ah = spec_priv->ah;
struct ath_common *common = ath9k_hw_common(spec_priv->ah);
struct ath_softc *sc = (struct ath_softc *)common->priv;
u8 num_bins, *vdata = (u8 *)hdr;
struct ath_radar_info *radar_info;
int len = rs->rs_datalen;
@ -649,8 +650,13 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
sample_buf, sample_len,
sample_bytes);
fft_handler(rs, spec_priv, sample_buf,
tsf, freq, chan_type);
ret = fft_handler(rs, spec_priv, sample_buf,
tsf, freq, chan_type);
if (ret == 0)
RX_STAT_INC(rx_spectral_sample_good);
else
RX_STAT_INC(rx_spectral_sample_err);
memset(sample_buf, 0, SPECTRAL_SAMPLE_MAX_LEN);
@ -665,6 +671,11 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
ret = fft_handler(rs, spec_priv, sample_start,
tsf, freq, chan_type);
if (ret == 0)
RX_STAT_INC(rx_spectral_sample_good);
else
RX_STAT_INC(rx_spectral_sample_err);
/* Mix the received bins to the /dev/random
* pool
*/