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64 lines
1.8 KiB
64 lines
1.8 KiB
/* 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 <[email protected]> |
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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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struct sk_buff *(*mailbox_read)(struct can_rx_offload *offload, |
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unsigned int mb, u32 *timestamp, |
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bool drop); |
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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, |
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struct can_rx_offload *offload); |
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int can_rx_offload_add_fifo(struct net_device *dev, |
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struct can_rx_offload *offload, |
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unsigned int weight); |
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int can_rx_offload_add_manual(struct net_device *dev, |
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struct can_rx_offload *offload, |
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unsigned int weight); |
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int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, |
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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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unsigned int *frame_len_ptr); |
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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_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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