WIP: Comment places to hook mgcp FSM for co-located mgw

Change-Id: Idccdb487aee1ccaeb1b50175d4ec665381090c6b

include/osmocom/iuh/context_map.h

@@ -35,6 +35,9 @@ struct hnbgw_context_map {
 	uint32_t scu_conn_id;
 
 	enum hnbgw_context_map_state state;
+
+	/* FSM instance for the MGW */
+	struct osmo_fsm_inst *mgw_fi;
 };
 
 

src/context_map.c

@@ -106,6 +106,8 @@ context_map_alloc_by_hnb(struct hnb_context *hnb, uint32_t rua_ctx_id,
 	llist_add_tail(&map->cn_list, &cn_if_new->map_list);
 	map->state = MAP_S_ACTIVE;
 
+	// TODO: map->mgw_fi = osmo_fsm_inst_alloc();
+
 	return map;
 }
 

src/hnbgw_cn.c

@@ -356,6 +356,11 @@ static int handle_cn_data_ind(struct hnbgw_cnlink *cnlink,
 		return 0;
 	}
 
+	/* TODO: Intercept RAB Assignment Request
+	 * Setup MGW and forward patched message with IP address
+	 * Save state in context map
+	 */
+
 	return rua_tx_dt(map->hnb_ctx, map->is_ps, map->rua_ctx_id,
 			 msgb_l2(oph->msg), msgb_l2len(oph->msg));
 }

src/hnbgw_rua.c

@@ -225,6 +225,9 @@ static int rua_to_scu(struct hnb_context *hnb,
 		       map->rua_ctx_id, map->scu_conn_id);
 	}
 
+	/* TODO: Check for map and if this is a RAB Assignment response
+	 * Control mgw, patch IPs and forward patched message */
+
 	/* add primitive header */
 	switch (type) {
 	case OSMO_SCU_PRIM_N_CONNECT: