47 строки
1.4 KiB
C
47 строки
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/* CAN driver for PEAK System micro-CAN based adapters
|
|
*
|
|
* Copyright (C) 2003-2011 PEAK System-Technik GmbH
|
|
* Copyright (C) 2011-2013 Stephane Grosjean <s.grosjean@peak-system.com>
|
|
*/
|
|
#ifndef PEAK_CANFD_USER_H
|
|
#define PEAK_CANFD_USER_H
|
|
|
|
#include <linux/can/dev/peak_canfd.h>
|
|
|
|
#define PCANFD_ECHO_SKB_DEF -1
|
|
|
|
/* data structure private to each uCAN interface */
|
|
struct peak_canfd_priv {
|
|
struct can_priv can; /* socket-can private data */
|
|
struct net_device *ndev; /* network device */
|
|
int index; /* channel index */
|
|
|
|
struct can_berr_counter bec; /* rx/tx err counters */
|
|
|
|
int echo_idx; /* echo skb free slot index */
|
|
spinlock_t echo_lock;
|
|
|
|
int cmd_len;
|
|
void *cmd_buffer;
|
|
int cmd_maxlen;
|
|
|
|
int (*pre_cmd)(struct peak_canfd_priv *priv);
|
|
int (*write_cmd)(struct peak_canfd_priv *priv);
|
|
int (*post_cmd)(struct peak_canfd_priv *priv);
|
|
|
|
int (*enable_tx_path)(struct peak_canfd_priv *priv);
|
|
void *(*alloc_tx_msg)(struct peak_canfd_priv *priv, u16 msg_size,
|
|
int *room_left);
|
|
int (*write_tx_msg)(struct peak_canfd_priv *priv,
|
|
struct pucan_tx_msg *msg);
|
|
};
|
|
|
|
struct net_device *alloc_peak_canfd_dev(int sizeof_priv, int index,
|
|
int echo_skb_max);
|
|
int peak_canfd_handle_msg(struct peak_canfd_priv *priv,
|
|
struct pucan_rx_msg *msg);
|
|
int peak_canfd_handle_msgs_list(struct peak_canfd_priv *priv,
|
|
struct pucan_rx_msg *rx_msg, int rx_count);
|
|
#endif
|