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v6.2
  1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
  2/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
  3 * All rights reserved.
  4 *
  5 * Redistribution and use in source and binary forms, with or without
  6 * modification, are permitted provided that the following conditions
  7 * are met:
  8 * 1. Redistributions of source code must retain the above copyright
  9 *    notice, this list of conditions and the following disclaimer.
 10 * 2. Redistributions in binary form must reproduce the above copyright
 11 *    notice, this list of conditions and the following disclaimer in the
 12 *    documentation and/or other materials provided with the distribution.
 13 * 3. Neither the name of Volkswagen nor the names of its contributors
 14 *    may be used to endorse or promote products derived from this software
 15 *    without specific prior written permission.
 16 *
 17 * Alternatively, provided that this notice is retained in full, this
 18 * software may be distributed under the terms of the GNU General
 19 * Public License ("GPL") version 2, in which case the provisions of the
 20 * GPL apply INSTEAD OF those given above.
 21 *
 22 * The provided data structures and external interfaces from this code
 23 * are not restricted to be used by modules with a GPL compatible license.
 24 *
 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 36 * DAMAGE.
 37 *
 38 */
 39
 40#ifndef AF_CAN_H
 41#define AF_CAN_H
 42
 43#include <linux/skbuff.h>
 44#include <linux/netdevice.h>
 45#include <linux/list.h>
 46#include <linux/rcupdate.h>
 47#include <linux/can.h>
 48
 49/* af_can rx dispatcher structures */
 50
 51struct receiver {
 52	struct hlist_node list;
 53	canid_t can_id;
 54	canid_t mask;
 55	unsigned long matches;
 56	void (*func)(struct sk_buff *skb, void *data);
 57	void *data;
 58	char *ident;
 59	struct sock *sk;
 60	struct rcu_head rcu;
 61};
 62
 63/* statistic structures */
 64
 65/* can be reset e.g. by can_init_stats() */
 66struct can_pkg_stats {
 67	unsigned long jiffies_init;
 68
 69	unsigned long rx_frames;
 70	unsigned long tx_frames;
 71	unsigned long matches;
 72
 73	unsigned long total_rx_rate;
 74	unsigned long total_tx_rate;
 75	unsigned long total_rx_match_ratio;
 76
 77	unsigned long current_rx_rate;
 78	unsigned long current_tx_rate;
 79	unsigned long current_rx_match_ratio;
 80
 81	unsigned long max_rx_rate;
 82	unsigned long max_tx_rate;
 83	unsigned long max_rx_match_ratio;
 84
 85	unsigned long rx_frames_delta;
 86	unsigned long tx_frames_delta;
 87	unsigned long matches_delta;
 88};
 89
 90/* persistent statistics */
 91struct can_rcv_lists_stats {
 92	unsigned long stats_reset;
 93	unsigned long user_reset;
 94	unsigned long rcv_entries;
 95	unsigned long rcv_entries_max;
 96};
 97
 98/* function prototypes for the CAN networklayer procfs (proc.c) */
 99void can_init_proc(struct net *net);
100void can_remove_proc(struct net *net);
101void can_stat_update(struct timer_list *t);
102
103#endif /* AF_CAN_H */
v6.13.7
  1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
  2/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
  3 * All rights reserved.
  4 *
  5 * Redistribution and use in source and binary forms, with or without
  6 * modification, are permitted provided that the following conditions
  7 * are met:
  8 * 1. Redistributions of source code must retain the above copyright
  9 *    notice, this list of conditions and the following disclaimer.
 10 * 2. Redistributions in binary form must reproduce the above copyright
 11 *    notice, this list of conditions and the following disclaimer in the
 12 *    documentation and/or other materials provided with the distribution.
 13 * 3. Neither the name of Volkswagen nor the names of its contributors
 14 *    may be used to endorse or promote products derived from this software
 15 *    without specific prior written permission.
 16 *
 17 * Alternatively, provided that this notice is retained in full, this
 18 * software may be distributed under the terms of the GNU General
 19 * Public License ("GPL") version 2, in which case the provisions of the
 20 * GPL apply INSTEAD OF those given above.
 21 *
 22 * The provided data structures and external interfaces from this code
 23 * are not restricted to be used by modules with a GPL compatible license.
 24 *
 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 36 * DAMAGE.
 37 *
 38 */
 39
 40#ifndef AF_CAN_H
 41#define AF_CAN_H
 42
 43#include <linux/skbuff.h>
 44#include <linux/netdevice.h>
 45#include <linux/list.h>
 46#include <linux/rcupdate.h>
 47#include <linux/can.h>
 48
 49/* af_can rx dispatcher structures */
 50
 51struct receiver {
 52	struct hlist_node list;
 53	canid_t can_id;
 54	canid_t mask;
 55	unsigned long matches;
 56	void (*func)(struct sk_buff *skb, void *data);
 57	void *data;
 58	char *ident;
 59	struct sock *sk;
 60	struct rcu_head rcu;
 61};
 62
 63/* statistic structures */
 64
 65/* can be reset e.g. by can_init_stats() */
 66struct can_pkg_stats {
 67	unsigned long jiffies_init;
 68
 69	unsigned long rx_frames;
 70	unsigned long tx_frames;
 71	unsigned long matches;
 72
 73	unsigned long total_rx_rate;
 74	unsigned long total_tx_rate;
 75	unsigned long total_rx_match_ratio;
 76
 77	unsigned long current_rx_rate;
 78	unsigned long current_tx_rate;
 79	unsigned long current_rx_match_ratio;
 80
 81	unsigned long max_rx_rate;
 82	unsigned long max_tx_rate;
 83	unsigned long max_rx_match_ratio;
 84
 85	unsigned long rx_frames_delta;
 86	unsigned long tx_frames_delta;
 87	unsigned long matches_delta;
 88};
 89
 90/* persistent statistics */
 91struct can_rcv_lists_stats {
 92	unsigned long stats_reset;
 93	unsigned long user_reset;
 94	unsigned long rcv_entries;
 95	unsigned long rcv_entries_max;
 96};
 97
 98/* function prototypes for the CAN networklayer procfs (proc.c) */
 99void can_init_proc(struct net *net);
100void can_remove_proc(struct net *net);
101void can_stat_update(struct timer_list *t);
102
103#endif /* AF_CAN_H */