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/* 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; unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf, u32 *timestamp, unsigned int mb); struct sk_buff_head skb_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_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_sorted(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); int can_rx_offload_queue_tail(struct can_rx_offload *offload, struct sk_buff *skb); void can_rx_offload_reset(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_schedule(struct can_rx_offload *offload) { napi_schedule(&offload->napi); } static inline void can_rx_offload_disable(struct can_rx_offload *offload) { napi_disable(&offload->napi); } #endif /* !_CAN_RX_OFFLOAD_H */