+#define VNET_DEVICE_CLASS_TX_FN(devclass) \
+uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \
+static vlib_node_fn_registration_t \
+ CLIB_MARCH_SFX(devclass##_tx_fn_registration) = \
+ { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), }; \
+ \
+static void __clib_constructor \
+CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void) \
+{ \
+ extern vnet_device_class_t devclass; \
+ vlib_node_fn_registration_t *r; \
+ r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration); \
+ r->priority = CLIB_MARCH_FN_PRIORITY(); \
+ r->next_registration = devclass.tx_fn_registrations; \
+ devclass.tx_fn_registrations = r; \
+} \
+uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
+