Bluetooth: Mesh: Move proxy message size to kconfig

Add `BT_MESH_PROXY_MSG_LEN` to config proxy message length

Signed-off-by: Lingao Meng <[email protected]>

Author: LingaoM

subsys/bluetooth/mesh/Kconfig

@@ -107,6 +107,12 @@ config BT_MESH_PROXY
 config BT_MESH_GATT
 	bool
 
+config BT_MESH_PROXY_MSG_LEN
+	int
+	depends on BT_MESH_GATT
+	default 66 if BT_MESH_PB_GATT
+	default 33 if BT_MESH_GATT_PROXY
+
 config BT_MESH_GATT_SERVER
 	bool
 	select BT_MESH_GATT

subsys/bluetooth/mesh/proxy_msg.c

@@ -48,16 +48,7 @@
 
 #define PDU_HDR(sar, type) (sar << 6 | (type & BIT_MASK(6)))
 
-#define PB_GATT_BUF_LEN_MAX	66
-#define PROXY_BUF_LEN_MAX	30
-
-#if defined(CONFIG_BT_MESH_PB_GATT)
-#define PROXY_MSG_BUF_LEN PB_GATT_BUF_LEN_MAX
-#else
-#define PROXY_MSG_BUF_LEN PROXY_BUF_LEN_MAX
-#endif
-
-static uint8_t __noinit bufs[CONFIG_BT_MAX_CONN * PROXY_MSG_BUF_LEN];
+static uint8_t __noinit bufs[CONFIG_BT_MAX_CONN * CONFIG_BT_MESH_PROXY_MSG_LEN];
 
 static struct bt_mesh_proxy_role roles[CONFIG_BT_MAX_CONN];
 
@@ -202,8 +193,9 @@ static void proxy_msg_init(struct bt_mesh_proxy_role *role)
 	}
 
 	net_buf_simple_init_with_data(&role->buf,
-				      &bufs[bt_conn_index(role->conn) * PROXY_MSG_BUF_LEN],
-				      PROXY_MSG_BUF_LEN);
+				      &bufs[bt_conn_index(role->conn) *
+					    CONFIG_BT_MESH_PROXY_MSG_LEN],
+				      CONFIG_BT_MESH_PROXY_MSG_LEN);
 
 	net_buf_simple_reset(&role->buf);