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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the version 2 of the gnu general public license as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 10 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.259525894@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/can/rx-offload.h
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*
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* Copyright (c) 2014 David Jander, Protonic Holland
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* Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
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*/
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#ifndef _CAN_RX_OFFLOAD_H
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#define _CAN_RX_OFFLOAD_H
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#include <linux/netdevice.h>
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#include <linux/can.h>
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struct can_rx_offload {
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struct net_device *dev;
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unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf,
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u32 *timestamp, unsigned int mb);
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struct sk_buff_head skb_queue;
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u32 skb_queue_len_max;
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unsigned int mb_first;
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unsigned int mb_last;
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struct napi_struct napi;
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bool inc;
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};
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int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *offload);
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int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight);
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int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg);
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int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);
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int can_rx_offload_queue_sorted(struct can_rx_offload *offload,
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struct sk_buff *skb, u32 timestamp);
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unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
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unsigned int idx, u32 timestamp);
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int can_rx_offload_queue_tail(struct can_rx_offload *offload,
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struct sk_buff *skb);
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void can_rx_offload_reset(struct can_rx_offload *offload);
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void can_rx_offload_del(struct can_rx_offload *offload);
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void can_rx_offload_enable(struct can_rx_offload *offload);
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static inline void can_rx_offload_schedule(struct can_rx_offload *offload)
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{
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napi_schedule(&offload->napi);
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}
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static inline void can_rx_offload_disable(struct can_rx_offload *offload)
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{
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napi_disable(&offload->napi);
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}
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#endif /* !_CAN_RX_OFFLOAD_H */
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