| Marc Kleine-Budde | ffd956e | 2018-10-08 09:02:38 +0200 | [diff] [blame] | 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 | |
| 48 | #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS) |
| 49 | #define CAN_EFF_RCV_HASH_BITS 10 |
| 50 | #define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS) |
| 51 | |
| 52 | enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX }; |
| 53 | |
| 54 | struct can_dev_rcv_lists { |
| 55 | struct hlist_head rx[RX_MAX]; |
| 56 | struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ]; |
| 57 | struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ]; |
| Marc Kleine-Budde | ffd956e | 2018-10-08 09:02:38 +0200 | [diff] [blame] | 58 | int entries; |
| 59 | }; |
| 60 | |
| 61 | struct can_ml_priv { |
| 62 | struct can_dev_rcv_lists dev_rcv_lists; |
| The j1939 authors | 9d71dd0 | 2018-10-08 11:48:36 +0200 | [diff] [blame] | 63 | #ifdef CAN_J1939 |
| 64 | struct j1939_priv *j1939_priv; |
| 65 | #endif |
| Marc Kleine-Budde | ffd956e | 2018-10-08 09:02:38 +0200 | [diff] [blame] | 66 | }; |
| 67 | |
| 68 | #endif /* CAN_ML_H */ |