cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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spectral_common.h (2714B)

      1/*
      2 * Copyright (c) 2013 Qualcomm Atheros, Inc.
      3 *
      4 * Permission to use, copy, modify, and/or distribute this software for any
      5 * purpose with or without fee is hereby granted, provided that the above
      6 * copyright notice and this permission notice appear in all copies.
      7 *
      8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15 */
     16
     17#ifndef SPECTRAL_COMMON_H
     18#define SPECTRAL_COMMON_H
     19
     20#define SPECTRAL_HT20_NUM_BINS		56
     21#define SPECTRAL_HT20_40_NUM_BINS		128
     22
     23/* TODO: could possibly be 512, but no samples this large
     24 * could be acquired so far.
     25 */
     26#define SPECTRAL_ATH10K_MAX_NUM_BINS		256
     27
     28/* FFT sample format given to userspace via debugfs.
     29 *
     30 * Please keep the type/length at the front position and change
     31 * other fields after adding another sample type
     32 *
     33 * TODO: this might need rework when switching to nl80211-based
     34 * interface.
     35 */
     36enum ath_fft_sample_type {
     37	ATH_FFT_SAMPLE_HT20 = 1,
     38	ATH_FFT_SAMPLE_HT20_40,
     39	ATH_FFT_SAMPLE_ATH10K,
     40	ATH_FFT_SAMPLE_ATH11K
     41};
     42
     43struct fft_sample_tlv {
     44	u8 type;	/* see ath_fft_sample */
     45	__be16 length;
     46	/* type dependent data follows */
     47} __packed;
     48
     49struct fft_sample_ht20 {
     50	struct fft_sample_tlv tlv;
     51
     52	u8 max_exp;
     53
     54	__be16 freq;
     55	s8 rssi;
     56	s8 noise;
     57
     58	__be16 max_magnitude;
     59	u8 max_index;
     60	u8 bitmap_weight;
     61
     62	__be64 tsf;
     63
     64	u8 data[SPECTRAL_HT20_NUM_BINS];
     65} __packed;
     66
     67struct fft_sample_ht20_40 {
     68	struct fft_sample_tlv tlv;
     69
     70	u8 channel_type;
     71	__be16 freq;
     72
     73	s8 lower_rssi;
     74	s8 upper_rssi;
     75
     76	__be64 tsf;
     77
     78	s8 lower_noise;
     79	s8 upper_noise;
     80
     81	__be16 lower_max_magnitude;
     82	__be16 upper_max_magnitude;
     83
     84	u8 lower_max_index;
     85	u8 upper_max_index;
     86
     87	u8 lower_bitmap_weight;
     88	u8 upper_bitmap_weight;
     89
     90	u8 max_exp;
     91
     92	u8 data[SPECTRAL_HT20_40_NUM_BINS];
     93} __packed;
     94
     95struct fft_sample_ath10k {
     96	struct fft_sample_tlv tlv;
     97	u8 chan_width_mhz;
     98	__be16 freq1;
     99	__be16 freq2;
    100	__be16 noise;
    101	__be16 max_magnitude;
    102	__be16 total_gain_db;
    103	__be16 base_pwr_db;
    104	__be64 tsf;
    105	s8 max_index;
    106	u8 rssi;
    107	u8 relpwr_db;
    108	u8 avgpwr_db;
    109	u8 max_exp;
    110
    111	u8 data[];
    112} __packed;
    113
    114struct fft_sample_ath11k {
    115	struct fft_sample_tlv tlv;
    116	u8 chan_width_mhz;
    117	s8 max_index;
    118	u8 max_exp;
    119	__be16 freq1;
    120	__be16 freq2;
    121	__be16 max_magnitude;
    122	__be16 rssi;
    123	__be32 tsf;
    124	__be32 noise;
    125
    126	u8 data[];
    127} __packed;
    128
    129#endif /* SPECTRAL_COMMON_H */