118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2021 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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enum ofdm_channel_width {
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OFDM_CHANNEL_WIDTH_20MHZ = 0,
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OFDM_CHANNEL_WIDTH_40MHZ,
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OFDM_CHANNEL_WIDTH_80MHZ,
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OFDM_CHANNEL_WIDTH_160MHZ,
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};
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enum band_chandef_width {
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BAND_CHANDEF_WIDTH_20NOHT = 0,
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BAND_CHANDEF_WIDTH_20,
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BAND_CHANDEF_WIDTH_40,
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BAND_CHANDEF_WIDTH_80,
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BAND_CHANDEF_WIDTH_80P80,
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BAND_CHANDEF_WIDTH_160,
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};
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enum band_freq {
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BAND_FREQ_2_4_GHZ = 0x1,
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BAND_FREQ_5_GHZ = 0x2,
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BAND_FREQ_6_GHZ = 0x4,
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};
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struct band_chandef {
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uint32_t frequency;
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uint32_t channel_width;
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uint32_t center1_frequency;
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uint32_t center2_frequency;
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};
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struct band_he_capabilities {
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uint32_t iftypes;
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uint8_t he_phy_capa[11];
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uint8_t he_mcs_set[12];
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};
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struct band_freq_attrs {
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uint8_t tx_power;
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bool supported : 1;
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bool disabled : 1;
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bool no_ir : 1;
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bool no_ht40_plus : 1;
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bool no_ht40_minus : 1;
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bool no_80mhz : 1;
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bool no_160mhz : 1;
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bool no_he : 1;
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} __attribute__ ((packed));
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struct band {
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enum band_freq freq;
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struct band_freq_attrs *freq_attrs;
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size_t freqs_len;
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/* Each entry is type struct band_he_capabilities */
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struct l_queue *he_capabilities;
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uint8_t vht_mcs_set[8];
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uint8_t vht_capabilities[4];
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bool vht_supported : 1;
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uint8_t ht_mcs_set[16];
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uint8_t ht_capabilities[2];
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uint8_t ht_ampdu_params;
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bool ht_supported : 1;
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uint16_t supported_rates_len;
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uint8_t supported_rates[];
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};
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void band_free(struct band *band);
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bool band_ofdm_rate(uint8_t index, enum ofdm_channel_width width,
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int32_t rssi, uint8_t nss, bool sgi,
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uint64_t *data_rate);
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int band_estimate_he_rx_rate(const struct band *band, const uint8_t *hec,
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int32_t rssi, uint64_t *out_dat_rate);
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int band_estimate_vht_rx_rate(const struct band *band,
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const uint8_t *vhtc, const uint8_t *vhto,
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const uint8_t *htc, const uint8_t *hto,
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int32_t rssi, uint64_t *out_data_rate);
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int band_estimate_ht_rx_rate(const struct band *band,
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const uint8_t *htc, const uint8_t *hto,
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int32_t rssi, uint64_t *out_data_rate);
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int band_estimate_nonht_rate(const struct band *band,
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const uint8_t *supported_rates,
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const uint8_t *ext_supported_rates,
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int32_t rssi, uint64_t *out_data_rate);
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int band_freq_to_ht_chandef(uint32_t freq, const struct band_freq_attrs *attr,
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struct band_chandef *chandef);
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int oci_to_frequency(uint32_t operating_class, uint32_t channel);
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int oci_verify(const uint8_t oci[static 3], const struct band_chandef *own);
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int oci_from_chandef(const struct band_chandef *own, uint8_t oci[static 3]);
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uint8_t band_freq_to_channel(uint32_t freq, enum band_freq *out_band);
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uint32_t band_channel_to_freq(uint8_t channel, enum band_freq band);
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enum band_freq band_oper_class_to_band(const uint8_t *country,
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uint8_t oper_class);
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const char *band_chandef_width_to_string(enum band_chandef_width width);
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