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103 lines
3.4 KiB
103 lines
3.4 KiB
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ |
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/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Volkswagen nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* Alternatively, provided that this notice is retained in full, this |
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* software may be distributed under the terms of the GNU General |
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* Public License ("GPL") version 2, in which case the provisions of the |
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* GPL apply INSTEAD OF those given above. |
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* |
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* The provided data structures and external interfaces from this code |
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* are not restricted to be used by modules with a GPL compatible license. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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*/ |
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#ifndef AF_CAN_H |
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#define AF_CAN_H |
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#include <linux/skbuff.h> |
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#include <linux/netdevice.h> |
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#include <linux/list.h> |
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#include <linux/rcupdate.h> |
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#include <linux/can.h> |
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/* af_can rx dispatcher structures */ |
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struct receiver { |
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struct hlist_node list; |
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canid_t can_id; |
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canid_t mask; |
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unsigned long matches; |
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void (*func)(struct sk_buff *skb, void *data); |
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void *data; |
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char *ident; |
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struct sock *sk; |
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struct rcu_head rcu; |
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}; |
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/* statistic structures */ |
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/* can be reset e.g. by can_init_stats() */ |
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struct can_pkg_stats { |
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unsigned long jiffies_init; |
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unsigned long rx_frames; |
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unsigned long tx_frames; |
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unsigned long matches; |
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unsigned long total_rx_rate; |
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unsigned long total_tx_rate; |
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unsigned long total_rx_match_ratio; |
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unsigned long current_rx_rate; |
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unsigned long current_tx_rate; |
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unsigned long current_rx_match_ratio; |
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unsigned long max_rx_rate; |
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unsigned long max_tx_rate; |
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unsigned long max_rx_match_ratio; |
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unsigned long rx_frames_delta; |
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unsigned long tx_frames_delta; |
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unsigned long matches_delta; |
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}; |
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/* persistent statistics */ |
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struct can_rcv_lists_stats { |
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unsigned long stats_reset; |
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unsigned long user_reset; |
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unsigned long rcv_entries; |
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unsigned long rcv_entries_max; |
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}; |
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/* function prototypes for the CAN networklayer procfs (proc.c) */ |
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void can_init_proc(struct net *net); |
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void can_remove_proc(struct net *net); |
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void can_stat_update(struct timer_list *t); |
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#endif /* AF_CAN_H */
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