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- /* SPDX-License-Identifier: GPL-2.0-only */
- /* CAN driver for PEAK System micro-CAN based adapters
- *
- * Copyright (C) 2003-2025 PEAK System-Technik GmbH
- * Author: Stéphane Grosjean <stephane.grosjean@hms-networks.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
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