/* 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