1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * linux/can/rx-offload.h 3 * linux/can/rx-offload.h
4 * 4 *
5 * Copyright (c) 2014 David Jander, Protonic H 5 * Copyright (c) 2014 David Jander, Protonic Holland
6 * Copyright (c) 2014-2017, 2023 Pengutronix, !! 6 * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
7 */ 7 */
8 8
9 #ifndef _CAN_RX_OFFLOAD_H 9 #ifndef _CAN_RX_OFFLOAD_H
10 #define _CAN_RX_OFFLOAD_H 10 #define _CAN_RX_OFFLOAD_H
11 11
12 #include <linux/netdevice.h> 12 #include <linux/netdevice.h>
13 #include <linux/can.h> 13 #include <linux/can.h>
14 14
15 struct can_rx_offload { 15 struct can_rx_offload {
16 struct net_device *dev; 16 struct net_device *dev;
17 17
18 struct sk_buff *(*mailbox_read)(struct !! 18 unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf,
19 unsign !! 19 u32 *timestamp, unsigned int mb);
20 bool d <<
21 20
22 struct sk_buff_head skb_queue; 21 struct sk_buff_head skb_queue;
23 struct sk_buff_head skb_irq_queue; <<
24 u32 skb_queue_len_max; 22 u32 skb_queue_len_max;
25 23
26 unsigned int mb_first; 24 unsigned int mb_first;
27 unsigned int mb_last; 25 unsigned int mb_last;
28 26
29 struct napi_struct napi; 27 struct napi_struct napi;
30 28
31 bool inc; 29 bool inc;
32 }; 30 };
33 31
34 int can_rx_offload_add_timestamp(struct net_de !! 32 int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *offload);
35 struct can_rx !! 33 int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight);
36 int can_rx_offload_add_fifo(struct net_device !! 34 int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg);
37 struct can_rx_offl <<
38 unsigned int weigh <<
39 int can_rx_offload_add_manual(struct net_devic <<
40 struct can_rx_of <<
41 unsigned int wei <<
42 int can_rx_offload_irq_offload_timestamp(struc <<
43 u64 r <<
44 int can_rx_offload_irq_offload_fifo(struct can 35 int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);
45 int can_rx_offload_queue_timestamp(struct can_ !! 36 int can_rx_offload_queue_sorted(struct can_rx_offload *offload,
46 struct sk_b !! 37 struct sk_buff *skb, u32 timestamp);
47 unsigned int can_rx_offload_get_echo_skb_queue !! 38 unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
48 !! 39 unsigned int idx, u32 timestamp);
49 <<
50 int can_rx_offload_queue_tail(struct can_rx_of 40 int can_rx_offload_queue_tail(struct can_rx_offload *offload,
51 struct sk_buff * 41 struct sk_buff *skb);
52 unsigned int can_rx_offload_get_echo_skb_queue !! 42 void can_rx_offload_reset(struct can_rx_offload *offload);
53 <<
54 <<
55 void can_rx_offload_irq_finish(struct can_rx_o <<
56 void can_rx_offload_threaded_irq_finish(struct <<
57 void can_rx_offload_del(struct can_rx_offload 43 void can_rx_offload_del(struct can_rx_offload *offload);
58 void can_rx_offload_enable(struct can_rx_offlo 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 }
59 50
60 static inline void can_rx_offload_disable(stru 51 static inline void can_rx_offload_disable(struct can_rx_offload *offload)
61 { 52 {
62 napi_disable(&offload->napi); 53 napi_disable(&offload->napi);
63 } 54 }
64 55
65 #endif /* !_CAN_RX_OFFLOAD_H */ 56 #endif /* !_CAN_RX_OFFLOAD_H */
66 57
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