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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105/* 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 <kernel@pengutronix.de> * * 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>
/* exposed CAN device capabilities for network layer */#define CAN_CAP_CC BIT(0) /* CAN CC aka Classical CAN */#define CAN_CAP_FD BIT(1) /* CAN FD */#define CAN_CAP_XL BIT(2) /* CAN XL */#define CAN_CAP_RO BIT(3) /* read-only mode (LISTEN/RESTRICTED) */
#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 u32 can_cap;};
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);}
static inline bool can_cap_enabled(struct net_device *dev, u32 cap){ struct can_ml_priv *can_ml = can_get_ml_priv(dev);
if (!can_ml) return false;
return (can_ml->can_cap & cap);}
static inline void can_set_cap(struct net_device *dev, u32 cap){ struct can_ml_priv *can_ml = can_get_ml_priv(dev);
can_ml->can_cap = cap;}
#endif /* CAN_ML_H */