| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/can/rx-offload.h |
| 3 | * |
| 4 | * Copyright (c) 2014 David Jander, Protonic Holland |
| 5 | * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the version 2 of the GNU General Public License |
| 9 | * as published by the Free Software Foundation |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #ifndef _CAN_RX_OFFLOAD_H |
| 18 | #define _CAN_RX_OFFLOAD_H |
| 19 | |
| 20 | #include <linux/netdevice.h> |
| 21 | #include <linux/can.h> |
| 22 | |
| 23 | struct can_rx_offload { |
| 24 | struct net_device *dev; |
| 25 | |
| Marc Kleine-Budde | 3abbac0 | 2014-09-23 15:28:21 +0200 | [diff] [blame] | 26 | unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf, |
| 27 | u32 *timestamp, unsigned int mb); |
| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 28 | |
| 29 | struct sk_buff_head skb_queue; |
| 30 | u32 skb_queue_len_max; |
| 31 | |
| Marc Kleine-Budde | 3abbac0 | 2014-09-23 15:28:21 +0200 | [diff] [blame] | 32 | unsigned int mb_first; |
| 33 | unsigned int mb_last; |
| 34 | |
| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 35 | struct napi_struct napi; |
| Marc Kleine-Budde | 3abbac0 | 2014-09-23 15:28:21 +0200 | [diff] [blame] | 36 | |
| 37 | bool inc; |
| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 38 | }; |
| 39 | |
| Marc Kleine-Budde | 3abbac0 | 2014-09-23 15:28:21 +0200 | [diff] [blame] | 40 | int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *offload); |
| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 41 | int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight); |
| Marc Kleine-Budde | 3abbac0 | 2014-09-23 15:28:21 +0200 | [diff] [blame] | 42 | int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg); |
| David Jander | d254586 | 2014-10-10 17:30:10 +0200 | [diff] [blame] | 43 | int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload); |
| 44 | int can_rx_offload_irq_queue_err_skb(struct can_rx_offload *offload, struct sk_buff *skb); |
| 45 | void can_rx_offload_reset(struct can_rx_offload *offload); |
| 46 | void can_rx_offload_del(struct can_rx_offload *offload); |
| 47 | void can_rx_offload_enable(struct can_rx_offload *offload); |
| 48 | |
| 49 | static inline void can_rx_offload_schedule(struct can_rx_offload *offload) |
| 50 | { |
| 51 | napi_schedule(&offload->napi); |
| 52 | } |
| 53 | |
| 54 | static inline void can_rx_offload_disable(struct can_rx_offload *offload) |
| 55 | { |
| 56 | napi_disable(&offload->napi); |
| 57 | } |
| 58 | |
| 59 | #endif /* !_CAN_RX_OFFLOAD_H */ |