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1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */2/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research3 * Copyright (c) 2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>4 *5 * All rights reserved.6 *7 * Redistribution and use in source and binary forms, with or without8 * modification, are permitted provided that the following conditions9 * are met:10 * 1. Redistributions of source code must retain the above copyright11 * notice, this list of conditions and the following disclaimer.12 * 2. Redistributions in binary form must reproduce the above copyright13 * notice, this list of conditions and the following disclaimer in the14 * documentation and/or other materials provided with the distribution.15 * 3. Neither the name of Volkswagen nor the names of its contributors16 * may be used to endorse or promote products derived from this software17 * without specific prior written permission.18 *19 * Alternatively, provided that this notice is retained in full, this20 * software may be distributed under the terms of the GNU General21 * Public License ("GPL") version 2, in which case the provisions of the22 * GPL apply INSTEAD OF those given above.23 *24 * The provided data structures and external interfaces from this code25 * are not restricted to be used by modules with a GPL compatible license.26 *27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH38 * DAMAGE.39 *40 */41 42#ifndef CAN_ML_H43#define CAN_ML_H44 45#include <linux/can.h>46#include <linux/list.h>47#include <linux/netdevice.h>48 49#define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS)50#define CAN_EFF_RCV_HASH_BITS 1051#define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS)52 53enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX };54 55struct can_dev_rcv_lists {56 struct hlist_head rx[RX_MAX];57 struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ];58 struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ];59 int entries;60};61 62struct can_ml_priv {63 struct can_dev_rcv_lists dev_rcv_lists;64#ifdef CAN_J193965 struct j1939_priv *j1939_priv;66#endif67};68 69static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev)70{71 return netdev_get_ml_priv(dev, ML_PRIV_CAN);72}73 74static inline void can_set_ml_priv(struct net_device *dev,75 struct can_ml_priv *ml_priv)76{77 netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN);78}79 80#endif /* CAN_ML_H */81