l3cfg: change NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD to be a NML3CfgConfigFlags value

It's really not related to NML3ConfigMergeFlags, but fits better
to NML3CfgConfigFlags.

src/core/nm-l3-config-data.h

@@ -52,15 +52,6 @@ typedef enum {
 /**
  * NML3ConfigMergeFlags:
  * @NM_L3_CONFIG_MERGE_FLAGS_NONE: no flags set
- * @NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD: if this merge flag is set,
- *   the the NML3ConfigData doesn't get merged and it's information won't be
- *   synced. The only purpose is to run ACD on its IPv4 addresses, but
- *   regardless whether ACD succeeds/fails, the IP addresses won't be configured.
- *   The point is to run ACD first (without configuring it), and only
- *   commit the settings if requested. That can either happen by
- *   nm_l3cfg_add_config() the same NML3Cfg again (with a different
- *   tag), or by calling nm_l3cfg_add_config() again with this flag
- *   cleared (and the same tag).
  * @NM_L3_CONFIG_MERGE_FLAGS_NO_ROUTES: don't merge routes
  * @NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES: don't merge default routes.
  *   Note that if the respective NML3ConfigData has NM_L3_CONFIG_DAT_FLAGS_IGNORE_MERGE_NO_DEFAULT_ROUTES
@@ -71,11 +62,10 @@ typedef enum {
  */
 typedef enum _nm_packed {
     NM_L3_CONFIG_MERGE_FLAGS_NONE              = 0,
-    NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD      = (1LL << 0),
+    NM_L3_CONFIG_MERGE_FLAGS_NO_ROUTES         = (1LL << 0),
-    NM_L3_CONFIG_MERGE_FLAGS_NO_ROUTES         = (1LL << 1),
+    NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES = (1LL << 1),
-    NM_L3_CONFIG_MERGE_FLAGS_NO_DEFAULT_ROUTES = (1LL << 2),
+    NM_L3_CONFIG_MERGE_FLAGS_NO_DNS            = (1LL << 2),
-    NM_L3_CONFIG_MERGE_FLAGS_NO_DNS            = (1LL << 3),
+    NM_L3_CONFIG_MERGE_FLAGS_CLONE             = (1LL << 3),
-    NM_L3_CONFIG_MERGE_FLAGS_CLONE             = (1LL << 4),
 } NML3ConfigMergeFlags;
 
 /*****************************************************************************/

src/core/nm-l3-ipv4ll.c

@@ -593,8 +593,8 @@ _l3cd_config_add(NML3IPv4LL *self)
                              0,
                              NM_L3_ACD_DEFEND_TYPE_ONCE,
                              self->reg_timeout_msec,
-                             NM_L3CFG_CONFIG_FLAGS_NONE,
+                             NM_L3CFG_CONFIG_FLAGS_ONLY_FOR_ACD,
-                             NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD))
+                             NM_L3_CONFIG_MERGE_FLAGS_NONE))
         nm_assert_not_reached();
 
     self->l3cfg_commit_handle = nm_l3cfg_commit_type_register(self->l3cfg,

src/core/nm-l3cfg.c

@@ -3043,7 +3043,7 @@ _l3cfg_update_combined_config(NML3Cfg *              self,
         for (i = 0; i < l3_config_datas_len; i++) {
             const L3ConfigData *l3cd_data = l3_config_datas_arr[i];
 
-            if (NM_FLAGS_HAS(l3cd_data->merge_flags, NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD))
+            if (NM_FLAGS_HAS(l3cd_data->config_flags, NM_L3CFG_CONFIG_FLAGS_ONLY_FOR_ACD))
                 continue;
 
             hook_data.tag = l3cd_data->tag_confdata;

src/core/nm-l3cfg.h

@@ -28,8 +28,22 @@ typedef enum _nm_packed {
     NM_L3_ACD_DEFEND_TYPE_ALWAYS,
 } NML3AcdDefendType;
 
+/**
+ * NML3CfgConfigFlags:
+ * @NM_L3CFG_CONFIG_FLAGS_NONE: no flags, the default.
+ * @NM_L3_CONFIG_MERGE_FLAGS_ONLY_FOR_ACD: if this merge flag is set,
+ *   the the NML3ConfigData doesn't get merged and it's information won't be
+ *   synced. The only purpose is to run ACD on its IPv4 addresses, but
+ *   regardless whether ACD succeeds/fails, the IP addresses won't be configured.
+ *   The point is to run ACD first (without configuring it), and only
+ *   commit the settings if requested. That can either happen by
+ *   nm_l3cfg_add_config() the same NML3Cfg again (with a different
+ *   tag), or by calling nm_l3cfg_add_config() again with this flag
+ *   cleared (and the same tag).
+ */
 typedef enum _nm_packed {
     NM_L3CFG_CONFIG_FLAGS_NONE         = 0,
+    NM_L3CFG_CONFIG_FLAGS_ONLY_FOR_ACD = (1LL << 0),
 } NML3CfgConfigFlags;
 
 typedef enum _nm_packed {