cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

can-ml.h (3037B)

      1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
      2/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
      3 * 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 without
      8 * modification, are permitted provided that the following conditions
      9 * are met:
     10 * 1. Redistributions of source code must retain the above copyright
     11 *    notice, this list of conditions and the following disclaimer.
     12 * 2. Redistributions in binary form must reproduce the above copyright
     13 *    notice, this list of conditions and the following disclaimer in the
     14 *    documentation and/or other materials provided with the distribution.
     15 * 3. Neither the name of Volkswagen nor the names of its contributors
     16 *    may be used to endorse or promote products derived from this software
     17 *    without specific prior written permission.
     18 *
     19 * Alternatively, provided that this notice is retained in full, this
     20 * software may be distributed under the terms of the GNU General
     21 * Public License ("GPL") version 2, in which case the provisions of the
     22 * GPL apply INSTEAD OF those given above.
     23 *
     24 * The provided data structures and external interfaces from this code
     25 * are not restricted to be used by modules with a GPL compatible license.
     26 *
     27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     31 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     32 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     33 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     34 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     35 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     36 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     38 * DAMAGE.
     39 *
     40 */
     41
     42#ifndef CAN_ML_H
     43#define CAN_ML_H
     44
     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 10
     51#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_J1939
     65	struct j1939_priv *j1939_priv;
     66#endif
     67};
     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 */