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phy: get phy data from netlink for Wi-Fi 6 and Wi-Fi 7 #83

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316 changes: 170 additions & 146 deletions renderer/wifi/phy.uc
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Original file line number Diff line number Diff line change
Expand Up @@ -70,44 +70,63 @@ function get_hwmon(phy) {
return temp;
}

function lookup_board() {
let board = fs.readfile('/etc/board.json');
if (board)
board = json(board);
if (!length(board?.wlan))
return null;
let ret = {};
for (let name, phy in board?.wlan) {
if (!length(phy.info?.radios))
continue;
for (let band, data in phy.info.bands) {
let radio_index = -1;
let channels = [];
let frequencies = [];
for (let radio in phy.info.radios)
if (radio.bands[band]) {
radio_index = radio.index;
frequencies = radio.bands[band].frequencies;
channels = radio.bands[band].channels;
}
function freq_range_match(ranges, freq) {
freq *= 1000;
for (let range in ranges)
if (freq >= range.start && freq <= range.end)
return true;
return false;
}

ret[`${phy.path}:${band}`] = {
tx_ant: phy.info.antenna_tx,
rx_ant: phy.info.antenna_rx,
tx_ant_avail: phy.info.antenna_tx,
rx_ant_avail: phy.info.antenna_rx,
no_reconf: phy.info.reconf ? false : true,
htmode: data.modes,
band: [ band ],
radio_index,
frequencies,
channels,
};
function extract_band_caps(band, p) {
if (band?.ht_capa) {
p.ht_capa = band.ht_capa;
push(p.htmode, 'HT20');
if (band.ht_capa & 0x2)
push(p.htmode, 'HT40');
}
if (band?.vht_capa) {
p.vht_capa = band.vht_capa;
push(p.htmode, 'VHT20', 'VHT40', 'VHT80');
let chwidth = (band?.vht_capa >> 2) & 0x3;
switch(chwidth) {
case 2:
push(p.htmode, 'VHT80+80');
/* fall through */
case 1:
push(p.htmode, 'VHT160');
}
}
for (let iftype in band?.iftype_data) {
if (iftype.iftypes?.ap) {
p.he_phy_capa = iftype?.he_cap_phy;
p.he_mac_capa = iftype?.he_cap_mac;
push(p.htmode, 'HE20');
let chwidth = (iftype?.he_cap_phy[0] || 0) & 0xff;
if (chwidth & 0x2 || chwidth & 0x4)
push(p.htmode, 'HE40');
if (chwidth & 0x4)
push(p.htmode, 'HE80');
if (chwidth & 0x8 || chwidth & 0x10)
push(p.htmode, 'HE160');
if (chwidth & 0x10)
push(p.htmode, 'HE80+80');
if (iftype.eht_cap_phy) {
p.eht_phy_capa = iftype?.eht_cap_phy;
p.eht_mac_capa = iftype?.eht_cap_mac;
push(p.htmode, 'EHT20');
if (chwidth & 0x2 || chwidth & 0x4)
push(p.htmode, 'EHT40');
if (chwidth & 0x4)
push(p.htmode, 'EHT80');
if (chwidth & 0x8 || chwidth & 0x10)
push(p.htmode, 'EHT160');
if (chwidth & 0x10)
push(p.htmode, 'EHT80+80');
}
}
return ret;
}
return null;
}
}

// mapping 5G to S1G(HaLow)
function map5GToS1G() {
Expand Down Expand Up @@ -171,141 +190,146 @@ function map5GToS1G() {
}

function lookup_phys() {
let ret = lookup_board();
if (ret)
return ret;
lookup_paths();

let phys = phy_get();
ret = {};
let ret = {};

// get 5G to S1G mapping table
let s1gMapping = map5GToS1G();

for (let phy in phys) {
if (!exists(phy, 'wiphy'))
continue;
let phyname = 'phy' + phy.wiphy;
let phyname = phy.wiphy_name || ('phy' + phy.wiphy);
let path = paths[phyname];
if (!path)
continue;

// check whether MORSE PHY
let isMorse = false;
let morsePath = '/sys/kernel/debug/ieee80211/' + phyname + '/morse';

// check whether MORSE dir exists
if (fs.stat(morsePath))
isMorse = true;

let p = {};

p.is_morse_phy = isMorse; // save result in is_morse_phy

let temp = get_hwmon('phy' + phy.wiphy);
if (temp)
p.temperature = temp / 1000;

p.tx_ant = phy.wiphy_antenna_tx;
p.rx_ant = phy.wiphy_antenna_rx;
p.tx_ant_avail = phy.wiphy_antenna_avail_tx;
p.rx_ant_avail = phy.wiphy_antenna_avail_rx;
p.frequencies = [];
p.channels = [];
p.dfs_channels = [];
p.htmode = [];
p.band = [];
for (let band in phy.wiphy_bands) {
for (let freq in band?.freqs) {
if (freq.disabled)
continue;

let channel = freq2channel(freq.freq);
// if MORSE PHY and band is 5G，mapping to S1G
if (isMorse && freq.freq >= 5160 && freq.freq <= 5885) {
let ch = "" + channel;
if (ch in s1gMapping) {
// replace 5G ch into S1G ch
channel = s1gMapping[ch].s1g_channel;
push(p.channels, channel);
push(p.frequencies, s1gMapping[ch].s1g_freq);
} else {
// no S1G ch in table, keep 5G ch
if (length(phy.radios)) {
// Multi-radio path (Wi-Fi 7)
let temp = get_hwmon(phyname);

for (let radio in phy.radios) {
let p = {};

if (temp)
p.temperature = temp / 1000;

p.tx_ant = phy.wiphy_antenna_tx;
p.rx_ant = phy.wiphy_antenna_rx;
p.tx_ant_avail = phy.wiphy_antenna_avail_tx;
p.rx_ant_avail = phy.wiphy_antenna_avail_rx;
p.no_reconf = false;
p.frequencies = [];
p.channels = [];
p.dfs_channels = [];
p.htmode = [];
p.band = [];
p.radio_index = radio.index;

for (let band in phy.wiphy_bands) {
let has_match = false;
for (let freq in band?.freqs) {
if (freq.disabled)
continue;
if (!freq_range_match(radio.freq_ranges, freq.freq))
continue;
has_match = true;

let channel = freq2channel(freq.freq);
push(p.channels, channel);
push(p.frequencies, freq.freq);
if (freq.radar)
push(p.dfs_channels, channel);

if (freq.freq >= 6000)
push(p.band, '6G');
else if (freq.freq <= 2484 && freq.freq > 2400)
push(p.band, '2G');
else if (freq.freq >= 5160 && freq.freq <= 5885)
push(p.band, '5G');
}
} else {
// not MORSE PHY or not 5G
push(p.channels, channel);
push(p.frequencies, freq.freq);
if (freq.radar)
push(p.dfs_channels, channel);
if (has_match)
extract_band_caps(band, p);
}

if (freq.freq >= 6000)
push(p.band, '6G');
else if (freq.freq <= 2484 && freq.freq > 2400)
push(p.band, '2G');
else if (freq.freq >= 5160 && freq.freq <= 5885 && !isMorse)
push(p.band, '5G');
else if (freq.freq < 1000 || (isMorse && freq.freq >= 5160 && freq.freq <= 5885))
push(p.band, 'HaLow');
}
if (band?.ht_capa) {
p.ht_capa = band.ht_capa;
push(p.htmode, 'HT20');
if (band.ht_capa & 0x2)
push(p.htmode, 'HT40');
}
if (band?.vht_capa) {
p.vht_capa = band.vht_capa;
push(p.htmode, 'VHT20', 'VHT40', 'VHT80');
let chwidth = (band?.vht_capa >> 2) & 0x3;
switch(chwidth) {
case 2:
push(p.htmode, 'VHT80+80');
/* fall through */
case 1:
push(p.htmode, 'VHT160');
}
p.band = uniq(p.band);
if (p.eht_phy_capa && '6G' in p.band)
push(p.htmode, 'EHT320');
if (!length(p.dfs_channels))
delete p.dfs_channels;

let band_name = p.band[0];
if (band_name)
ret[`${path}:${band_name}`] = p;
}
for (let iftype in band?.iftype_data) {
if (iftype.iftypes?.ap) {
p.he_phy_capa = iftype?.he_cap_phy;
p.he_mac_capa = iftype?.he_cap_mac;
push(p.htmode, 'HE20');
let chwidth = (iftype?.he_cap_phy[0] || 0) & 0xff;
if (chwidth & 0x2 || chwidth & 0x4)
push(p.htmode, 'HE40');
if (chwidth & 0x4)
push(p.htmode, 'HE80');
if (chwidth & 0x8 || chwidth & 0x10)
push(p.htmode, 'HE160');
if (chwidth & 0x10)
push(p.htmode, 'HE80+80');
if (iftype.eht_cap_phy) {
p.eht_phy_capa = iftype?.eht_cap_phy;
p.eht_mac_capa = iftype?.eht_cap_mac;
push(p.htmode, 'EHT20');
if (chwidth & 0x2 || chwidth & 0x4)
push(p.htmode, 'EHT40');
if (chwidth & 0x4)
push(p.htmode, 'EHT80');
if (chwidth & 0x8 || chwidth & 0x10)
push(p.htmode, 'EHT160');
if (chwidth & 0x10)
push(p.htmode, 'EHT80+80');
if ('6G' in p.band)
push(p.htmode, 'EHT320');
} else {
// Single-radio path (Wi-Fi 6 and below)
let isMorse = false;
let morsePath = '/sys/kernel/debug/ieee80211/' + phyname + '/morse';
if (fs.stat(morsePath))
isMorse = true;

let p = {};
p.is_morse_phy = isMorse;

let temp = get_hwmon(phyname);
if (temp)
p.temperature = temp / 1000;

p.tx_ant = phy.wiphy_antenna_tx;
p.rx_ant = phy.wiphy_antenna_rx;
p.tx_ant_avail = phy.wiphy_antenna_avail_tx;
p.rx_ant_avail = phy.wiphy_antenna_avail_rx;
p.frequencies = [];
p.channels = [];
p.dfs_channels = [];
p.htmode = [];
p.band = [];
for (let band in phy.wiphy_bands) {
for (let freq in band?.freqs) {
if (freq.disabled)
continue;

let channel = freq2channel(freq.freq);
// if MORSE PHY and band is 5G, mapping to S1G
if (isMorse && freq.freq >= 5160 && freq.freq <= 5885) {
let ch = "" + channel;
if (ch in s1gMapping) {
channel = s1gMapping[ch].s1g_channel;
push(p.channels, channel);
push(p.frequencies, s1gMapping[ch].s1g_freq);
} else {
push(p.channels, channel);
push(p.frequencies, freq.freq);
}
} else {
push(p.channels, channel);
push(p.frequencies, freq.freq);
if (freq.radar)
push(p.dfs_channels, channel);
}

if (freq.freq >= 6000)
push(p.band, '6G');
else if (freq.freq <= 2484 && freq.freq > 2400)
push(p.band, '2G');
else if (freq.freq >= 5160 && freq.freq <= 5885 && !isMorse)
push(p.band, '5G');
else if (freq.freq < 1000 || (isMorse && freq.freq >= 5160 && freq.freq <= 5885))
push(p.band, 'HaLow');
}
extract_band_caps(band, p);
}
}

p.band = uniq(p.band);
if (!length(p.dfs_channels))
delete p.dfs_channels;
ret[path] = p;
p.band = uniq(p.band);
if (p.eht_phy_capa && '6G' in p.band)
push(p.htmode, 'EHT320');
if (!length(p.dfs_channels))
delete p.dfs_channels;
ret[path] = p;
}
}
for (let path in ret) {
system("logger 'phy: PHY path:" + path + ", bands:" + join(',', ret[path].band) + "'");
Expand Down