提交 3105b672 编写于 作者: S Sujith Manoharan 提交者: John W. Linville

ath9k: Reorder some functions

Signed-off-by: NSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 e0dd1a96
......@@ -929,6 +929,116 @@ static void ath9k_process_tsf(struct ath_rx_status *rs,
rxs->mactime += 0x100000000ULL;
}
#ifdef CONFIG_ATH9K_DEBUGFS
static s8 fix_rssi_inv_only(u8 rssi_val)
{
if (rssi_val == 128)
rssi_val = 0;
return (s8) rssi_val;
}
#endif
/* returns 1 if this was a spectral frame, even if not handled. */
static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
struct ath_rx_status *rs, u64 tsf)
{
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath_hw *ah = sc->sc_ah;
u8 bins[SPECTRAL_HT20_NUM_BINS];
u8 *vdata = (u8 *)hdr;
struct fft_sample_ht20 fft_sample;
struct ath_radar_info *radar_info;
struct ath_ht20_mag_info *mag_info;
int len = rs->rs_datalen;
int dc_pos;
u16 length, max_magnitude;
/* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer
* via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT
* yet, but this is supposed to be possible as well.
*/
if (rs->rs_phyerr != ATH9K_PHYERR_RADAR &&
rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT &&
rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL)
return 0;
/* check if spectral scan bit is set. This does not have to be checked
* if received through a SPECTRAL phy error, but shouldn't hurt.
*/
radar_info = ((struct ath_radar_info *)&vdata[len]) - 1;
if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK))
return 0;
/* Variation in the data length is possible and will be fixed later.
* Note that we only support HT20 for now.
*
* TODO: add HT20_40 support as well.
*/
if ((len > SPECTRAL_HT20_TOTAL_DATA_LEN + 2) ||
(len < SPECTRAL_HT20_TOTAL_DATA_LEN - 1))
return 1;
fft_sample.tlv.type = ATH_FFT_SAMPLE_HT20;
length = sizeof(fft_sample) - sizeof(fft_sample.tlv);
fft_sample.tlv.length = __cpu_to_be16(length);
fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq);
fft_sample.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0);
fft_sample.noise = ah->noise;
switch (len - SPECTRAL_HT20_TOTAL_DATA_LEN) {
case 0:
/* length correct, nothing to do. */
memcpy(bins, vdata, SPECTRAL_HT20_NUM_BINS);
break;
case -1:
/* first byte missing, duplicate it. */
memcpy(&bins[1], vdata, SPECTRAL_HT20_NUM_BINS - 1);
bins[0] = vdata[0];
break;
case 2:
/* MAC added 2 extra bytes at bin 30 and 32, remove them. */
memcpy(bins, vdata, 30);
bins[30] = vdata[31];
memcpy(&bins[31], &vdata[33], SPECTRAL_HT20_NUM_BINS - 31);
break;
case 1:
/* MAC added 2 extra bytes AND first byte is missing. */
bins[0] = vdata[0];
memcpy(&bins[0], vdata, 30);
bins[31] = vdata[31];
memcpy(&bins[32], &vdata[33], SPECTRAL_HT20_NUM_BINS - 32);
break;
default:
return 1;
}
/* DC value (value in the middle) is the blind spot of the spectral
* sample and invalid, interpolate it.
*/
dc_pos = SPECTRAL_HT20_NUM_BINS / 2;
bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2;
/* mag data is at the end of the frame, in front of radar_info */
mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1;
/* copy raw bins without scaling them */
memcpy(fft_sample.data, bins, SPECTRAL_HT20_NUM_BINS);
fft_sample.max_exp = mag_info->max_exp & 0xf;
max_magnitude = spectral_max_magnitude(mag_info->all_bins);
fft_sample.max_magnitude = __cpu_to_be16(max_magnitude);
fft_sample.max_index = spectral_max_index(mag_info->all_bins);
fft_sample.bitmap_weight = spectral_bitmap_weight(mag_info->all_bins);
fft_sample.tsf = __cpu_to_be64(tsf);
ath_debug_send_fft_sample(sc, &fft_sample.tlv);
return 1;
#else
return 0;
#endif
}
/*
* For Decrypt or Demic errors, we only mark packet status here and always push
* up the frame up to let mac80211 handle the actual error case, be it no
......@@ -1052,116 +1162,6 @@ static void ath9k_rx_skb_postprocess(struct ath_common *common,
rxs->flag &= ~RX_FLAG_DECRYPTED;
}
#ifdef CONFIG_ATH9K_DEBUGFS
static s8 fix_rssi_inv_only(u8 rssi_val)
{
if (rssi_val == 128)
rssi_val = 0;
return (s8) rssi_val;
}
#endif
/* returns 1 if this was a spectral frame, even if not handled. */
static int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
struct ath_rx_status *rs, u64 tsf)
{
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath_hw *ah = sc->sc_ah;
u8 bins[SPECTRAL_HT20_NUM_BINS];
u8 *vdata = (u8 *)hdr;
struct fft_sample_ht20 fft_sample;
struct ath_radar_info *radar_info;
struct ath_ht20_mag_info *mag_info;
int len = rs->rs_datalen;
int dc_pos;
u16 length, max_magnitude;
/* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer
* via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT
* yet, but this is supposed to be possible as well.
*/
if (rs->rs_phyerr != ATH9K_PHYERR_RADAR &&
rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT &&
rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL)
return 0;
/* check if spectral scan bit is set. This does not have to be checked
* if received through a SPECTRAL phy error, but shouldn't hurt.
*/
radar_info = ((struct ath_radar_info *)&vdata[len]) - 1;
if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK))
return 0;
/* Variation in the data length is possible and will be fixed later.
* Note that we only support HT20 for now.
*
* TODO: add HT20_40 support as well.
*/
if ((len > SPECTRAL_HT20_TOTAL_DATA_LEN + 2) ||
(len < SPECTRAL_HT20_TOTAL_DATA_LEN - 1))
return 1;
fft_sample.tlv.type = ATH_FFT_SAMPLE_HT20;
length = sizeof(fft_sample) - sizeof(fft_sample.tlv);
fft_sample.tlv.length = __cpu_to_be16(length);
fft_sample.freq = __cpu_to_be16(ah->curchan->chan->center_freq);
fft_sample.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl0);
fft_sample.noise = ah->noise;
switch (len - SPECTRAL_HT20_TOTAL_DATA_LEN) {
case 0:
/* length correct, nothing to do. */
memcpy(bins, vdata, SPECTRAL_HT20_NUM_BINS);
break;
case -1:
/* first byte missing, duplicate it. */
memcpy(&bins[1], vdata, SPECTRAL_HT20_NUM_BINS - 1);
bins[0] = vdata[0];
break;
case 2:
/* MAC added 2 extra bytes at bin 30 and 32, remove them. */
memcpy(bins, vdata, 30);
bins[30] = vdata[31];
memcpy(&bins[31], &vdata[33], SPECTRAL_HT20_NUM_BINS - 31);
break;
case 1:
/* MAC added 2 extra bytes AND first byte is missing. */
bins[0] = vdata[0];
memcpy(&bins[0], vdata, 30);
bins[31] = vdata[31];
memcpy(&bins[32], &vdata[33], SPECTRAL_HT20_NUM_BINS - 32);
break;
default:
return 1;
}
/* DC value (value in the middle) is the blind spot of the spectral
* sample and invalid, interpolate it.
*/
dc_pos = SPECTRAL_HT20_NUM_BINS / 2;
bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2;
/* mag data is at the end of the frame, in front of radar_info */
mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1;
/* copy raw bins without scaling them */
memcpy(fft_sample.data, bins, SPECTRAL_HT20_NUM_BINS);
fft_sample.max_exp = mag_info->max_exp & 0xf;
max_magnitude = spectral_max_magnitude(mag_info->all_bins);
fft_sample.max_magnitude = __cpu_to_be16(max_magnitude);
fft_sample.max_index = spectral_max_index(mag_info->all_bins);
fft_sample.bitmap_weight = spectral_bitmap_weight(mag_info->all_bins);
fft_sample.tsf = __cpu_to_be64(tsf);
ath_debug_send_fft_sample(sc, &fft_sample.tlv);
return 1;
#else
return 0;
#endif
}
static void ath9k_apply_ampdu_details(struct ath_softc *sc,
struct ath_rx_status *rs, struct ieee80211_rx_status *rxs)
{
......
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