net/core/dev.c

5856 	return dev && rtnl_dereference(dev->rx_handler);
5863  *	@rx_handler: receive handler to register
5872  *	For a general description of rx_handler, see enum rx_handler_result.
5875 			       rx_handler_func_t *rx_handler,
5884 	/* Note: rx_handler_data must be set before rx_handler */
5886 	rcu_assign_pointer(dev->rx_handler, rx_handler);
5904 	RCU_INIT_POINTER(dev->rx_handler, NULL);
5905 	/* a reader seeing a non NULL rx_handler in a rcu_read_lock()
5956 	rx_handler_func_t *rx_handler;
6062 	rx_handler = rcu_dereference(skb->dev->rx_handler);
6063 	if (rx_handler) {
6068 		switch (rx_handler(&skb)) {
13137 	CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_rx, rx_handler);