1*4882a593Smuzhiyun /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2*4882a593Smuzhiyun /* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
3*4882a593Smuzhiyun * Copyright (c) 2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * All rights reserved.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or without
8*4882a593Smuzhiyun * modification, are permitted provided that the following conditions
9*4882a593Smuzhiyun * are met:
10*4882a593Smuzhiyun * 1. Redistributions of source code must retain the above copyright
11*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer.
12*4882a593Smuzhiyun * 2. Redistributions in binary form must reproduce the above copyright
13*4882a593Smuzhiyun * notice, this list of conditions and the following disclaimer in the
14*4882a593Smuzhiyun * documentation and/or other materials provided with the distribution.
15*4882a593Smuzhiyun * 3. Neither the name of Volkswagen nor the names of its contributors
16*4882a593Smuzhiyun * may be used to endorse or promote products derived from this software
17*4882a593Smuzhiyun * without specific prior written permission.
18*4882a593Smuzhiyun *
19*4882a593Smuzhiyun * Alternatively, provided that this notice is retained in full, this
20*4882a593Smuzhiyun * software may be distributed under the terms of the GNU General
21*4882a593Smuzhiyun * Public License ("GPL") version 2, in which case the provisions of the
22*4882a593Smuzhiyun * GPL apply INSTEAD OF those given above.
23*4882a593Smuzhiyun *
24*4882a593Smuzhiyun * The provided data structures and external interfaces from this code
25*4882a593Smuzhiyun * are not restricted to be used by modules with a GPL compatible license.
26*4882a593Smuzhiyun *
27*4882a593Smuzhiyun * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28*4882a593Smuzhiyun * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29*4882a593Smuzhiyun * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30*4882a593Smuzhiyun * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31*4882a593Smuzhiyun * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32*4882a593Smuzhiyun * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33*4882a593Smuzhiyun * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34*4882a593Smuzhiyun * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35*4882a593Smuzhiyun * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36*4882a593Smuzhiyun * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37*4882a593Smuzhiyun * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
38*4882a593Smuzhiyun * DAMAGE.
39*4882a593Smuzhiyun *
40*4882a593Smuzhiyun */
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun #ifndef CAN_ML_H
43*4882a593Smuzhiyun #define CAN_ML_H
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun #include <linux/can.h>
46*4882a593Smuzhiyun #include <linux/list.h>
47*4882a593Smuzhiyun #include <linux/netdevice.h>
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS)
50*4882a593Smuzhiyun #define CAN_EFF_RCV_HASH_BITS 10
51*4882a593Smuzhiyun #define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS)
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX };
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun struct can_dev_rcv_lists {
56*4882a593Smuzhiyun struct hlist_head rx[RX_MAX];
57*4882a593Smuzhiyun struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ];
58*4882a593Smuzhiyun struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ];
59*4882a593Smuzhiyun int entries;
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun struct can_ml_priv {
63*4882a593Smuzhiyun struct can_dev_rcv_lists dev_rcv_lists;
64*4882a593Smuzhiyun #ifdef CAN_J1939
65*4882a593Smuzhiyun struct j1939_priv *j1939_priv;
66*4882a593Smuzhiyun #endif
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun
can_get_ml_priv(struct net_device * dev)69*4882a593Smuzhiyun static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun return netdev_get_ml_priv(dev, ML_PRIV_CAN);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
can_set_ml_priv(struct net_device * dev,struct can_ml_priv * ml_priv)74*4882a593Smuzhiyun static inline void can_set_ml_priv(struct net_device *dev,
75*4882a593Smuzhiyun struct can_ml_priv *ml_priv)
76*4882a593Smuzhiyun {
77*4882a593Smuzhiyun netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN);
78*4882a593Smuzhiyun }
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun #endif /* CAN_ML_H */
81