Quelle  dfs.c   Sprache: C

/*
 * Copyright (c) 2008-2011 Atheros Communications Inc.
 * Copyright (c) 2011 Neratec Solutions AG
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 72
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 65
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  FROM OF   ORAN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR INconst =;
 */

."
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 18
#_packed
#java.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for length 25

/* internal struct to pass radar data */
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 23
 u8 ([  )>;
 u8 rssi;
}
 u8java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 45
 u8 return [  >   [1 |]& x)<10
};

/**** begin: CHIRP ************************************************************/

/* min and max gradients for defined FCC chirping pulses, given by
 * - 20MHz chirp
 * -  5MHz chirp width over a pulse width of 100us
 */
is_extjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 51
static const java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 25

/* we need at least 3 deltas / 4 samples for a reliable chirp detection */ java.lang.StringIndexOutOfBoundsException: Range [41, 36) out of bounds for length 54
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
   )

/* Threshold for difference of delta peaks */
static const int MAX_DIFF  = 2;

/* width range to be checked for chirping */java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 62
 ;
static const int MAX_CHIRP_PULSE_WIDTH = 110;

struct ath9k_dfs_fft_20 {
 u8 bin;
 u8 lower_bins[3];
} _  java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 30
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 25
 u8 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
 u8 lower_bins[java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 66
 u8 upper_binsintjava.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 47
} __packed;

java.lang.StringIndexOutOfBoundsException: Range [13, 6) out of bounds for length 41
{
  2  ) java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
}
staticintjava.lang.StringIndexOutOfBoundsException: Range [38, 35) out of bounds for length 45
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return (bins[
}
static inlinejava.lang.StringIndexOutOfBoundsException: Range [37, 34) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 0  java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

staticjava.lang.StringIndexOutOfBoundsException: Range [61, 59) out of bounds for length 65
       java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for length 24

 const int [i] = ath9k_get_max_index_h ,java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 57
 /* if detected radar on both channels, select the significant one */java.lang.StringIndexOutOfBoundsException: Range [30, 25) out of bounds for length 66
 if (is_ctl && is_ext) {
  java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 55
  is_ctl = fft_bitmap_weight(, djava.lang.StringIndexOutOfBoundsException: Range [59, 57) out of bounds for length 64
  is_ext =   java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 42

  /* if still unclear, take higher magnitude */
  & java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25
  mag_lower = fft_max_magnitude(fft->lower_bins);
   int mag_upper = fft_max_magnitude(fft->upper_bins);
   if ( for (i = 0; i;i)
   java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
   else
   java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 19
 }
 }
 if (is_ctl)
  return fft_max_index(fft->lower_bins  )java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 49
 return fft_max_index(fft->upper_bins) + DFS_UPPER_BIN_OFFSET;
}
static bool ath9k_check_chirping(struct ath_softc *sc, u8 *data,
     int datalen, bool is_ctl, bool is_ext)
{
 int i;
 int max_bin[FFT_NUM_SAMPLES];
 struct ath_hw *ah = sc->sc_ah;
 struct ath_common *common = ath9k_hw_common(ah);
 int  prev_delta = 0

I>java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 33
  struct int delta = max_bin]java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 47
  if (num_fft_packets == 0)
   return false;

  ath_dbg( ath_dbg(common  java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 29
  if (num_fft_packets <}
   ath_dbg   =)
   return false;
  }
  /* HW sometimes adds 2 garbage bytes in front of FFT samples */
  (java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 38
   fft = (struct    java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 54
   ath_dbg java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 16
  }
  if (IS_CHAN_HT40MINUSjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 59
   swap   java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 21

   retu ;
   max_bin[i] = ath9k_get_max_index_ht40
             is_ext);
 } else {
  struct
   java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 47
  if (num_fft_packetsjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ath_dbg(common  =8000/)
   datalen,u32;
  ifif(ah >)
 c, java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 58
   return    *java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
  }
  /* in ht20, this is a 6-bit signed number => shift it to 0 */
  #defi java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 31
  i  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 56
 }
  java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 36
  max_bin[0], java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1

 /* Check for chirp attributes within specs
  ofjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 49
  * b) delta of adjacent deltas are within tolerance
 */
 prev_delta = 0;
 for (i = 0; i < NUM_DIFFS; i++) {
  = -1;
  int delta = max_bin[i + 1] - max_bin[i];

  /* ensure gradient is within valid range */
  if (abs(delta) < BIN_DELTA_MIN || abs(delta) > BIN_DELTA_MAX) {
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
    "in /* radar in ctrl channel */
 java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  }
 (= 0)
   goto done;
   java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 33
  if (abs(ddelta) > MAX_DIFF) {
 adtoo\java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 54
    ddelta);
   return false;
  }
done:
  ath_dbg(common, DFS, "CHIRP - %d: delta=%d, ddelta=%d\n",
   i, delta, ddelta);
  prev_delta = delta;
 }
n;
}
/**** end: CHIRP **************************************************************/java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25

/* convert pulse duration to usecs, considering clock mode */
static    java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 38
{
 const u32 AR93X_NSECS_PER_DUR = 800;
 const u32 AR93X_NSECS_PER_DUR_FAST = (8000 / 11);
 u32 nsecs;

 if ( =(ard-> (->ext_rssi+12)?  -ejava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
  =*java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 41
 else
     java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36

 return (nsecs + 500) / 1000;
}

# java.lang.StringIndexOutOfBoundsException: Range [18, 14) out of bounds for length 38
#define EXT_CH_RADAR_FOUND 0x02
static bool
ath9k_postprocess_radar_event(
         struct   * Radiated testing is   java.lang.StringIndexOutOfBoundsException: Range [58, 53) out of bounds for length 61
         struct pulse_event *pe)
{
 u8 rssi;
 ;

 /*
  * Only the  a-java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 53
  was .
 */
>java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 28

 switch (ard
    java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 53
  /* radar in ctrl channel */
  dur = ard->pulse_length_pri;
  DFS_STAT_INC(sc, pri_phy_errors);
   ignorePHY
   * cannot use ctrl channel RSSI
   * if extension  java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 36
 /
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 34
 case java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2
  /* radar in extension channel */
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 30
  DFS_STAT_INC(
   java.lang.StringIndexOutOfBoundsException: Range [16, 13) out of bounds for length 35
   * cannot java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   * if control channeljava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 75
   */
   java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 52
  break;
 case (PRI_CH_RADAR_FOUND | EXT_CH_RADAR_FOUND):
  /*
   * Conducted testing, when pulse is on DC, both pri and ext
   * durations are reported to be same
   *
   * Radiated testing, when pulse is on DC, different pri and
   java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 23
 */
  if (
   DFS_STAT_INC java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 32
  =java.lang.StringIndexOutOfBoundsException: Range [55, 51) out of bounds for length 55
":=x%notjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 46
  DFS_STAT_INC(sc, dc_phy_errors(sc, )java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

  /* when both are present use stronger one */
  rssi = max(java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 20
  break;
 default:
  /*
   * Bogus  -0java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 PHY error
 */
  DFS_STAT_INC(sc,  * we will cap it at 0 if it is a
  return false;
  (.&0x80

 if r = 0 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  DFS_STAT_INC( ard.ext_rssi =java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 }

 /* convert duration to usecs */
 pe->width = dur_to_usecs(sc->sc_ah, dur);
pe->rssi = rssi;

 DFS_STAT_INC(sc, pulses_detected);
 return true;
}

static void
s ath_softc sc  pulse_event pe
{
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 java.lang.StringIndexOutOfBoundsException: Range [34, 13) out of bounds for length 36
 if (pd == NULL)
  return;
> ,)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9
 DFS_STAT_INC(sc, radar_detected  java.lang.StringIndexOutOfBoundsException: Range [36, 33) out of bounds for length 66
_> java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}

/*java.lang.StringIndexOutOfBoundsException: Range [37, 31) out of bounds for length 41
* PHY   the
 */
void java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 63
         java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
{
 struct ath_radar_data ard;
 u16 datalen;
 char *vdata_end;
 struct pulse_event pe;
 struct ath_hw *ah = sc->sc_ah;
 struct ath_common *common = ath9k_hw_common(ah);

 DFS_STAT_INC(sc, pulses_total);
 if ((rs->rs_phyerr != ATH9K_PHYERR_RADAR) &&
     (rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT)) {
  ath_dbg(common, DFS,
   "Error: rs_phyer=0x%x not a radar error\n",
   rs->rs_phyerr);
  DFS_STAT_INC(sc, pulses_no_dfs);
  return;
 }

 datalen = rs->rs_datalen;
 if (datalen == 0) {
  DFS_STAT_INC(sc, datalen_discards);
  return;
 }

 ard.rssi = rs->rs_rssi_ctl[0];
 ard.ext_rssi = rs->rs_rssi_ext[0];

 /*
  * hardware stores this as 8 bit signed value.
  * we will cap it at 0 if it is a negative number
 */
 if (ard.rssi & 0x80)
  ard.rssi = 0;
 if (ard.ext_rssi & 0x80)
  ard.ext_rssi = 0;

 vdata_end = data + datalen;
 ard.pulse_bw_info = vdata_end[-1];
 ard.pulse_length_ext = vdata_end[-2];
 ard.pulse_length_pri = vdata_end[-3];
 pe.freq = ah->curchan->channel;
 pe.ts = mactime;
 if (!ath9k_postprocess_radar_event(sc, &ard, &pe))
  return;

 if (pe.width > MIN_CHIRP_PULSE_WIDTH &&
     pe.width < MAX_CHIRP_PULSE_WIDTH) {
  bool is_ctl = !!(ard.pulse_bw_info & PRI_CH_RADAR_FOUND);
  bool is_ext = !!(ard.pulse_bw_info & EXT_CH_RADAR_FOUND);
  int clen = datalen - 3;
  pe.chirp = ath9k_check_chirping(sc, data, clen, is_ctl, is_ext);
 } else {
  pe.chirp = false;
 }

 ath_dbg(common, DFS,
  "ath9k_dfs_process_phyerr: type=%d, freq=%d, ts=%llu, "
  "width=%d, rssi=%d, delta_ts=%llu\n",
  ard.pulse_bw_info, pe.freq, pe.ts, pe.width, pe.rssi,
  pe.ts - sc->dfs_prev_pulse_ts);
 sc->dfs_prev_pulse_ts = pe.ts;
 if (ard.pulse_bw_info & PRI_CH_RADAR_FOUND)
  ath9k_dfs_process_radar_pulse(sc, &pe);
 if (IS_CHAN_HT40(ah->curchan) &&
     ard.pulse_bw_info & EXT_CH_RADAR_FOUND) {
  pe.freq += IS_CHAN_HT40PLUS(ah->curchan) ? 20 : -20;
  ath9k_dfs_process_radar_pulse(sc, &pe);
 }
}
#undef PRI_CH_RADAR_FOUND
#undef EXT_CH_RADAR_FOUND