projects / thirdparty / kernel / stable.git / blame
| Commit | Line | Data |
|---|---|---|
| aaa7cb26 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| d254586c DJ |
2 | /* |
| 3 | * linux/can/rx-offload.h | |
| 4 | * | |
| 5 | * Copyright (c) 2014 David Jander, Protonic Holland | |
| 6 | * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de> | |
| d254586c DJ |
7 | */ |
| 8 | ||
| 9 | #ifndef _CAN_RX_OFFLOAD_H | |
| 10 | #define _CAN_RX_OFFLOAD_H | |
| 11 | ||
| 12 | #include <linux/netdevice.h> | |
| 13 | #include <linux/can.h> | |
| 14 | ||
| 15 | struct can_rx_offload { | |
| 16 | struct net_device *dev; | |
| 17 | ||
| 3abbac0b MKB |
18 | unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf, |
| 19 | u32 *timestamp, unsigned int mb); | |
| d254586c DJ |
20 | |
| 21 | struct sk_buff_head skb_queue; | |
| 22 | u32 skb_queue_len_max; | |
| 23 | ||
| 3abbac0b MKB |
24 | unsigned int mb_first; |
| 25 | unsigned int mb_last; | |
| 26 | ||
| d254586c | 27 | struct napi_struct napi; |
| 3abbac0b MKB |
28 | |
| 29 | bool inc; | |
| d254586c DJ |
30 | }; |
| 31 | ||
| 3abbac0b | 32 | int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *offload); |
| d254586c | 33 | int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight); |
| 3abbac0b | 34 | int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg); |
| d254586c | 35 | int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload); |
| 55059f2b OR |
36 | int can_rx_offload_queue_sorted(struct can_rx_offload *offload, |
| 37 | struct sk_buff *skb, u32 timestamp); | |
| 38 | unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload, | |
| 39 | unsigned int idx, u32 timestamp); | |
| 4530ec36 OR |
40 | int can_rx_offload_queue_tail(struct can_rx_offload *offload, |
| 41 | struct sk_buff *skb); | |
| d254586c DJ |
42 | void can_rx_offload_reset(struct can_rx_offload *offload); |
| 43 | void can_rx_offload_del(struct can_rx_offload *offload); | |
| 44 | void can_rx_offload_enable(struct can_rx_offload *offload); | |
| 45 | ||
| 46 | static inline void can_rx_offload_schedule(struct can_rx_offload *offload) | |
| 47 | { | |
| 48 | napi_schedule(&offload->napi); | |
| 49 | } | |
| 50 | ||
| 51 | static inline void can_rx_offload_disable(struct can_rx_offload *offload) | |
| 52 | { | |
| 53 | napi_disable(&offload->napi); | |
| 54 | } | |
| 55 | ||
| 56 | #endif /* !_CAN_RX_OFFLOAD_H */ |