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platform	-	Open
bittiming.h	5.73 MB	View DL Edit
can-ml.h	2.97 MB	View DL Edit
core.h	1.82 MB	View DL Edit
dev.h	6.06 MB	View DL Edit
length.h	4.81 MB	View DL Edit
rx-offload.h	1.88 MB	View DL Edit
skb.h	4.66 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/can/rx-offload.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * linux/can/rx-offload.h
 *
 * Copyright (c) 2014 David Jander, Protonic Holland
 * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
 */

#ifndef _CAN_RX_OFFLOAD_H
#define _CAN_RX_OFFLOAD_H

#include <linux/netdevice.h>
#include <linux/can.h>

struct can_rx_offload {
	struct net_device *dev;

struct sk_buff *(*mailbox_read)(struct can_rx_offload *offload,
					unsigned int mb, u32 *timestamp,
					bool drop);

struct sk_buff_head skb_queue;
	struct sk_buff_head skb_irq_queue;
	u32 skb_queue_len_max;

unsigned int mb_first;
	unsigned int mb_last;

struct napi_struct napi;

bool inc;
};

int can_rx_offload_add_timestamp(struct net_device *dev,
				 struct can_rx_offload *offload);
int can_rx_offload_add_fifo(struct net_device *dev,
			    struct can_rx_offload *offload,
			    unsigned int weight);
int can_rx_offload_add_manual(struct net_device *dev,
			      struct can_rx_offload *offload,
			      unsigned int weight);
int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload,
					 u64 reg);
int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);
int can_rx_offload_queue_timestamp(struct can_rx_offload *offload,
				   struct sk_buff *skb, u32 timestamp);
unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
					 unsigned int idx, u32 timestamp,
					 unsigned int *frame_len_ptr);
int can_rx_offload_queue_tail(struct can_rx_offload *offload,
			      struct sk_buff *skb);
void can_rx_offload_irq_finish(struct can_rx_offload *offload);
void can_rx_offload_threaded_irq_finish(struct can_rx_offload *offload);
void can_rx_offload_del(struct can_rx_offload *offload);
void can_rx_offload_enable(struct can_rx_offload *offload);

static inline void can_rx_offload_disable(struct can_rx_offload *offload)
{
	napi_disable(&offload->napi);
}

#endif /* !_CAN_RX_OFFLOAD_H */

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