ath9k: Reorder some functions

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 9fabd5f..51e7d16 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -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)
 {