drivers: wifi: siwx917: Drop unused features

Since SiWx917 is able to use natice network stack, some NWP features are
not needed anymore.

This commit also try to keep WiFi features inside the "#ifdef
CONFIG_WIFI_SIWX917" statement.

Signed-off-by: Jérôme Pouiller <[email protected]>

Author: jerome-pouiller

soc/silabs/silabs_siwx917/siwg917/nwp_init.c

@@ -37,31 +37,35 @@ static int silabs_siwx917_nwp_init(void)
 		.boot_config = {
 			.oper_mode = SL_SI91X_CLIENT_MODE,
 			.coex_mode = NWP_INIT_COEX_MODE,
-			.feature_bit_map = SL_SI91X_FEAT_SECURITY_OPEN | SL_SI91X_FEAT_WPS_DISABLE,
 			.tcp_ip_feature_bit_map = SL_SI91X_TCP_IP_FEAT_EXTENSION_VALID,
 			.ext_tcp_ip_feature_bit_map = SL_SI91X_CONFIG_FEAT_EXTENSION_VALID,
 			.config_feature_bit_map = SL_SI91X_ENABLE_ENHANCED_MAX_PSP,
 			.custom_feature_bit_map = SL_SI91X_CUSTOM_FEAT_EXTENSION_VALID,
 			.ext_custom_feature_bit_map =
 				MEMORY_CONFIG |
 				SL_SI91X_EXT_FEAT_XTAL_CLK |
-				SL_SI91X_EXT_FEAT_IEEE_80211W |
 				SL_SI91X_EXT_FEAT_FRONT_END_SWITCH_PINS_ULP_GPIO_4_5_0,
-		}};
+		}
+	};
 	sl_si91x_boot_configuration_t *cfg = &network_config.boot_config;
 
 #ifdef CONFIG_WIFI_SIWX917
-	cfg->tcp_ip_feature_bit_map |=
-#ifdef CONFIG_NET_IPV6
-		SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT | SL_SI91X_TCP_IP_FEAT_IPV6 |
-#endif
-#ifndef CONFIG_WIFI_SIWX917_NET_STACK_OFFLOAD
-		SL_SI91X_TCP_IP_FEAT_BYPASS |
-#endif
-		SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT | SL_SI91X_TCP_IP_FEAT_DNS_CLIENT |
-		SL_SI91X_TCP_IP_FEAT_SSL | SL_SI91X_TCP_IP_FEAT_MDNSD | SL_SI91X_TCP_IP_FEAT_ICMP;
-	cfg->ext_tcp_ip_feature_bit_map |=
-		SL_SI91X_EXT_TCP_IP_WINDOW_SCALING | SL_SI91X_EXT_TCP_IP_TOTAL_SELECTS(10);
+	cfg->feature_bit_map |= SL_SI91X_FEAT_SECURITY_OPEN | SL_SI91X_FEAT_WPS_DISABLE,
+	cfg->ext_custom_feature_bit_map |= SL_SI91X_EXT_FEAT_IEEE_80211W;
+	if (IS_ENABLED(CONFIG_WIFI_SIWX917_NET_STACK_OFFLOAD)) {
+		cfg->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_WINDOW_SCALING;
+		cfg->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_TOTAL_SELECTS(10);
+		cfg->tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_ICMP;
+		if (IS_ENABLED(CONFIG_NET_IPV6)) {
+			cfg->tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT;
+			cfg->tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_IPV6;
+		}
+		if (IS_ENABLED(CONFIG_NET_IPV4)) {
+			cfg->tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT;
+		}
+	} else {
+		cfg->tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_BYPASS;
+	}
 #endif
 
 #ifdef CONFIG_BT_SIWX917