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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/linux/can/rx-offload.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/can/rx-offload.h')
| -rw-r--r-- | include/linux/can/rx-offload.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h new file mode 100644 index 000000000..d29bb4521 --- /dev/null +++ b/include/linux/can/rx-offload.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/can/rx-offload.h + * + * Copyright (c) 2014 David Jander, Protonic Holland + * Copyright (c) 2014-2017, 2023 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_queue_timestamp(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); +unsigned int can_rx_offload_get_echo_skb_queue_tail(struct can_rx_offload *offload, + unsigned int idx, + unsigned int *frame_len_ptr); +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 */ |