1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
* 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 AF_CAN_H
#define AF_CAN_H
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/list.h>
#include <linux/rcupdate.h>
#include <linux/can.h>
/* af_can rx dispatcher structures */
struct receiver {
struct hlist_node list;
canid_t can_id;
canid_t mask;
unsigned long matches;
void (*func)(struct sk_buff *skb, void *data);
void *data;
char *ident;
struct sock *sk;
struct rcu_head rcu;
};
/* statistic structures */
/* can be reset e.g. by can_init_stats() */
struct can_pkg_stats {
unsigned long jiffies_init;
unsigned long rx_frames;
unsigned long tx_frames;
unsigned long matches;
unsigned long total_rx_rate;
unsigned long total_tx_rate;
unsigned long total_rx_match_ratio;
unsigned long current_rx_rate;
unsigned long current_tx_rate;
unsigned long current_rx_match_ratio;
unsigned long max_rx_rate;
unsigned long max_tx_rate;
unsigned long max_rx_match_ratio;
unsigned long rx_frames_delta;
unsigned long tx_frames_delta;
unsigned long matches_delta;
};
/* persistent statistics */
struct can_rcv_lists_stats {
unsigned long stats_reset;
unsigned long user_reset;
unsigned long rcv_entries;
unsigned long rcv_entries_max;
};
/* function prototypes for the CAN networklayer procfs (proc.c) */
void can_init_proc(struct net *net);
void can_remove_proc(struct net *net);
void can_stat_update(struct timer_list *t);
#endif /* AF_CAN_H */
|
