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