refactor #1 + adding documentation (#36)

Reviewed-on: #36
Co-authored-by: Koda YeenBean <n122330@gmail.com>

src/wlan/wlan_internal.h

@@ -0,0 +1,60 @@
+#ifndef OPENUF_WLAN_INTERNAL_H
+#define OPENUF_WLAN_INTERNAL_H
+
+#include <stddef.h>
+#include <stdio.h>
+#include <json-c/json.h>
+#include <uci.h>
+
+enum wifi_standard {
+    WIFI_STANDARD_UNKNOWN = 0,
+    WIFI_STANDARD_4 = 4,
+    WIFI_STANDARD_5 = 5,
+    WIFI_STANDARD_6 = 6,
+    WIFI_STANDARD_7 = 7,
+};
+
+const char *wlan_security_to_uci(const char *unifi_security);
+const char *wlan_security_to_unifi(const char *uci_security);
+int wlan_valid_object_id(const char *object_id);
+int wlan_ensure_vap_ids(struct json_object *vaps);
+void wlan_mobility_domain_for_ssid(const char *ssid, char output[5]);
+int wlan_radio_uses_ath9k(const char *device_name);
+int wlan_json_boolean_any(struct json_object *object,
+                          const char *const *keys,
+                          size_t key_count);
+int wlan_feature_enabled(const char *text);
+void wlan_safe_section_name(const char *ssid, char *output, size_t output_size);
+
+int wlan_uci_set(struct uci_context *context,
+                 const char *path,
+                 const char *value);
+int wlan_uci_set_required(struct uci_context *context,
+                          struct uci_package *package,
+                          const char *section_name,
+                          const char *option_name,
+                          const char *value);
+int wlan_uci_add_list(struct uci_context *context,
+                      const char *path,
+                      const char *value);
+int wlan_uci_ensure_section(struct uci_context *context,
+                            struct uci_package *package,
+                            const char *section_name,
+                            const char *section_type);
+int wlan_ensure_vlan_network(int vlan_id);
+int wlan_configure_band_steering(int enabled);
+
+#define WLAN_UCI_SET(context, package, section, option, value) do { \
+    char openuf_uci_path[256]; \
+    snprintf(openuf_uci_path, sizeof(openuf_uci_path), "%s.%s.%s", \
+             package, section, option); \
+    wlan_uci_set(context, openuf_uci_path, value); \
+} while (0)
+
+#define WLAN_UCI_SET_INT(context, package, section, option, integer_value) do { \
+    char openuf_uci_value[32]; \
+    snprintf(openuf_uci_value, sizeof(openuf_uci_value), "%d", integer_value); \
+    WLAN_UCI_SET(context, package, section, option, openuf_uci_value); \
+} while (0)
+
+#endif /* OPENUF_WLAN_INTERNAL_H */