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- /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
- /* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
- * Copyright (c) 2017 Pengutronix, Marc Kleine-Budde <[email protected]>
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Volkswagen nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * Alternatively, provided that this notice is retained in full, this
- * software may be distributed under the terms of the GNU General
- * Public License ("GPL") version 2, in which case the provisions of the
- * GPL apply INSTEAD OF those given above.
- *
- * The provided data structures and external interfaces from this code
- * are not restricted to be used by modules with a GPL compatible license.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
- #ifndef CAN_ML_H
- #define CAN_ML_H
- #include <linux/can.h>
- #include <linux/list.h>
- #include <linux/netdevice.h>
- #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS)
- #define CAN_EFF_RCV_HASH_BITS 10
- #define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS)
- enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX };
- struct can_dev_rcv_lists {
- struct hlist_head rx[RX_MAX];
- struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ];
- struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ];
- int entries;
- };
- struct can_ml_priv {
- struct can_dev_rcv_lists dev_rcv_lists;
- #ifdef CAN_J1939
- struct j1939_priv *j1939_priv;
- #endif
- };
- static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev)
- {
- return netdev_get_ml_priv(dev, ML_PRIV_CAN);
- }
- static inline void can_set_ml_priv(struct net_device *dev,
- struct can_ml_priv *ml_priv)
- {
- netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN);
- }
- #endif /* CAN_ML_H */
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