drivers: wifi: siwx91x: Add support for setting regulatory domain (72a3f7e4) · Commits · Wenxi XU / zephyr

drivers/wifi/siwx91x/siwx91x_wifi.c

+78 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,44 @@ LOG_MODULE_REGISTER(siwx91x_wifi);

		NET_BUF_POOL_FIXED_DEFINE(siwx91x_tx_pool, 1, _NET_ETH_MAX_FRAME_SIZE, 0, NULL);

		typedef struct {
		const char const codes;
		size_t num_codes;
		sl_wifi_region_code_t region_code;
		} region_map_t;

		static const char *const us_codes[] = {
		"AE", "AR", "AS", "BB", "BM", "BR", "BS", "CA", "CO", "CR", "CU", "CX",
		"DM", "DO", "EC", "FM", "GD", "GY", "GU", "HN", "HT", "JM", "KY", "LB",
		"LK", "MH", "MN", "MP", "MO", "MY", "NI", "PA", "PE", "PG", "PH", "PK",
		"PR", "PW", "PY", "SG", "MX", "SV", "TC", "TH", "TT", "US", "UY", "VE",
		"VI", "VN", "VU", "00"
		/* Map "00" (world domain) to US region,
		* as using the world domain is not recommended
		*/
		};
		static const char *const eu_codes[] = {
		"AD", "AF", "AI", "AL", "AM", "AN", "AT", "AW", "AU", "AZ", "BA", "BE",
		"BG", "BH", "BL", "BT", "BY", "CH", "CY", "CZ", "DE", "DK", "EE", "ES",
		"FR", "GB", "GE", "GF", "GL", "GP", "GR", "GT", "HK", "HR", "HU", "ID",
		"IE", "IL", "IN", "IR", "IS", "IT", "JO", "KH", "FI", "KN", "KW", "KZ",
		"LC", "LI", "LT", "LU", "LV", "MD", "ME", "MK", "MF", "MT", "MV", "MQ",
		"NL", "NO", "NZ", "OM", "PF", "PL", "PM", "PT", "QA", "RO", "RS", "RU",
		"SA", "SE", "SI", "SK", "SR", "SY", "TR", "TW", "UA", "UZ", "VC", "WF",
		"WS", "YE", "RE", "YT"
		};
		static const char *const jp_codes[] = {"BD", "BN", "BO", "CL", "BZ", "JP", "NP"};
		static const char *const kr_codes[] = {"KR", "KP"};
		static const char *const cn_codes[] = {"CN"};

		static const region_map_t region_maps[] = {
		{us_codes, ARRAY_SIZE(us_codes), SL_WIFI_REGION_US},
		{eu_codes, ARRAY_SIZE(eu_codes), SL_WIFI_REGION_EU},
		{jp_codes, ARRAY_SIZE(jp_codes), SL_WIFI_REGION_JP},
		{kr_codes, ARRAY_SIZE(kr_codes), SL_WIFI_REGION_KR},
		{cn_codes, ARRAY_SIZE(cn_codes), SL_WIFI_REGION_CN},
		};

		static int siwx91x_sl_to_z_mode(sl_wifi_interface_t interface)
		{
		switch (interface) {
		@@ -369,6 +407,45 @@ static int siwx91x_get_version(const struct device dev, struct wifi_version pa
		return 0;
		}

		sl_wifi_region_code_t siwx91x_map_country_code_to_region(const char *country_code)
		{
		__ASSERT(country_code, "country_code cannot be NULL");

		ARRAY_FOR_EACH(region_maps, i) {
		for (size_t j = 0; j < region_maps[i].num_codes; j++) {
		if (memcmp(country_code, region_maps[i].codes[j],
		WIFI_COUNTRY_CODE_LEN) == 0) {
		return region_maps[i].region_code;
		}
		}
		}
		return SL_WIFI_DEFAULT_REGION;
		}

		static int siwx91x_wifi_reg_domain(const struct device dev, struct wifi_reg_domain reg_domain)
		{
		sl_wifi_operation_mode_t oper_mode = sli_get_opermode();
		sl_wifi_region_code_t region_code;
		int ret;

		__ASSERT(reg_domain, "reg_domain cannot be NULL");

		if (reg_domain->oper == WIFI_MGMT_SET) {
		region_code = siwx91x_map_country_code_to_region(reg_domain->country_code);
		ret = sl_si91x_set_device_region(oper_mode, SL_WIFI_BAND_MODE_2_4GHZ, region_code);
		if (ret) {
		LOG_ERR("Failed to set device region: %x", ret);
		return -EINVAL;
		}

		if (region_code == SL_WIFI_DEFAULT_REGION) {
		LOG_INF("Country code not supported, using default region");
		}
		}

		return 0;
		}

		static void siwx91x_iface_init(struct net_if *iface)
		{
		const struct siwx91x_config *siwx91x_cfg = iface->if_dev->dev->config;
		@@ -432,6 +509,7 @@ static const struct wifi_mgmt_ops siwx91x_mgmt = {
		.get_stats = siwx91x_stats,
		#endif
		.get_version = siwx91x_get_version,
		.reg_domain = siwx91x_wifi_reg_domain,
		};

		static const struct net_wifi_mgmt_offload siwx91x_api = {

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