esp_netif: Make GARP default netif flags only if enabled in lwip

Closes https://github.com/espressif/esp-idf/issues/8641

components/esp_netif/include/esp_netif_defaults.h

@@ -17,9 +17,16 @@ extern "C" {
 // Macros to assemble master configs with partial configs from netif, stack and driver
 //
 
+#ifdef CONFIG_LWIP_ESP_GRATUITOUS_ARP
+// If GARP enabled in menuconfig (default), make it also a default config for common netifs
+#define ESP_NETIF_DEFAULT_ARP_FLAGS (ESP_NETIF_FLAG_GARP)
+#else
+#define ESP_NETIF_DEFAULT_ARP_FLAGS (0)
+#endif
+
 #define ESP_NETIF_INHERENT_DEFAULT_WIFI_STA() \
     {   \
-        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_FLAG_GARP | ESP_NETIF_FLAG_EVENT_IP_MODIFIED), \
+        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_DEFAULT_ARP_FLAGS | ESP_NETIF_FLAG_EVENT_IP_MODIFIED), \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(mac) \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(ip_info) \
         .get_ip_event = IP_EVENT_STA_GOT_IP, \
@@ -47,7 +54,7 @@ extern "C" {
 
 #define ESP_NETIF_INHERENT_DEFAULT_ETH() \
     {   \
-        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_FLAG_GARP | ESP_NETIF_FLAG_EVENT_IP_MODIFIED), \
+        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_DEFAULT_ARP_FLAGS | ESP_NETIF_FLAG_EVENT_IP_MODIFIED), \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(mac) \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(ip_info) \
         .get_ip_event = IP_EVENT_ETH_GOT_IP, \
@@ -76,7 +83,7 @@ extern "C" {
 
 #define ESP_NETIF_INHERENT_DEFAULT_BR() \
     {   \
-        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_FLAG_GARP | ESP_NETIF_FLAG_EVENT_IP_MODIFIED | ESP_NETIF_FLAG_IS_BRIDGE), \
+        .flags = (esp_netif_flags_t)(ESP_NETIF_DHCP_CLIENT | ESP_NETIF_DEFAULT_ARP_FLAGS | ESP_NETIF_FLAG_EVENT_IP_MODIFIED | ESP_NETIF_FLAG_IS_BRIDGE), \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(mac) \
         ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_EMPTY(ip_info) \
         .get_ip_event = IP_EVENT_ETH_GOT_IP, \