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Filter channels for frequencies >5500 MHz per hostapd hw_features

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billz 2023-11-05 18:46:51 +00:00
parent fee5a69342
commit 2abe94b796
1 changed files with 16 additions and 8 deletions
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24
src/RaspAP/Parsers/IwParser.php
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@ -40,12 +40,12 @@ class IwParser
*/ */
public function parseIwInfo() public function parseIwInfo()
{ {
$excluded = array( $excluded = [
"(no IR, radar detection)", "(no IR, radar detection)",
"(radar detection)", "(radar detection)",
"(disabled)", "(disabled)",
"(no IR)" "(no IR)"
); ];
$excluded_pattern = implode('|', array_map('preg_quote', $excluded)); $excluded_pattern = implode('|', array_map('preg_quote', $excluded));
$pattern = '/\*\s+(\d+)\s+MHz \[(\d+)\] \(([\d.]+) dBm\)\s(?!' .$excluded_pattern. ')/'; $pattern = '/\*\s+(\d+)\s+MHz \[(\d+)\] \(([\d.]+) dBm\)\s(?!' .$excluded_pattern. ')/';
$supportedFrequencies = []; $supportedFrequencies = [];
@ -53,13 +53,21 @@ class IwParser
// Match iw_output containing supported frequencies // Match iw_output containing supported frequencies
preg_match_all($pattern, $this->iw_output, $matches, PREG_SET_ORDER, 0); preg_match_all($pattern, $this->iw_output, $matches, PREG_SET_ORDER, 0);
/* For frequencies > 5500 MHz only the following "channels" are allowed:
* 100 108 116 124 132 140 149 157 184 192
* @see https://w1.fi/cgit/hostap/tree/src/common/hw_features_common.c
*/
$allowed = [100, 108, 116, 124, 132, 140, 149, 157, 184, 192];
foreach ($matches as $match) { foreach ($matches as $match) {
$frequency = [ if ( (int)$match[1] >= 5500 && in_array((int)$match[2],$allowed) ) {
'MHz' => (int)$match[1], $frequency = [
'Channel' => (int)$match[2], 'MHz' => (int)$match[1],
'dBm' => (float)$match[3], 'Channel' => (int)$match[2],
]; 'dBm' => (float)$match[3],
$supportedFrequencies[] = $frequency; ];
$supportedFrequencies[] = $frequency;
}
} }
return $supportedFrequencies; return $supportedFrequencies;
} }