can_eth_gw Gateway Module  0.1
A bidirectional CAN to Ethernet Gateway (Kernel Module)
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ce_gw_dev.h
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1 
11 /*****************************************************************************
12  * (C) Copyright 2013 Fabian Raab, Stefan Smarzly
13  *
14  * This file is part of CAN-Eth-GW.
15  *
16  * CAN-Eth-GW is free software: you can redistribute it and/or modify
17  * it under the terms of the GNU General Public License as published by
18  * the Free Software Foundation, either version 3 of the License, or
19  * (at your option) any later version.
20  *
21  * CAN-Eth-GW is distributed in the hope that it will be useful,
22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24  * GNU General Public License for more details.
25  *
26  * You should have received a copy of the GNU General Public License
27  * along with CAN-Eth-GW. If not, see <http://www.gnu.org/licenses/>.
28  *****************************************************************************/
29 
30 #ifndef __CE_GW_DEV_H__
31 #define __CE_GW_DEV_H__
32 
33 #include <linux/version.h>
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 
37 #include <linux/netdevice.h>
38 #include <linux/etherdevice.h>
39 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0)
40 # include <uapi/linux/can.h>
41 # else
42 # if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
43 # include <linux/can.h>
44 # else
45 # error Only Linux Kernel 3.6 and above are supported
46 # endif
47 #endif
48 #include "ce_gw_main.h"
49 
50 enum ce_gw_type;
51 struct ce_gw_job;
52 
63 struct ce_gw_job_info {
64  struct hlist_head job_src;
65  struct hlist_head job_dst;
66 };
67 
78 extern int ce_gw_is_allocated_dev(struct net_device *eth_dev);
79 
89 extern int ce_gw_is_registered_dev(struct net_device *eth_dev);
90 
102 int ce_gw_has_min_mtu(struct net_device *dev, enum ce_gw_type type, u32 flags);
103 
115 void ce_gw_dev_job_src_add(struct ce_gw_job *job);
116 
128 extern void ce_gw_dev_job_dst_add(struct ce_gw_job *job);
129 
148 extern int ce_gw_dev_job_add(struct net_device *eth_dev, struct ce_gw_job *job);
149 
164 extern void ce_gw_dev_job_remove(struct ce_gw_job *job);
165 
177 extern struct net_device *ce_gw_dev_alloc(char *dev_name);
178 
186 extern void ce_gw_dev_free(struct net_device *eth_dev);
187 
203 extern void ce_gw_dev_setup(struct net_device *dev, enum ce_gw_type type,
204  __u32 flags);
205 
217 extern struct net_device *ce_gw_dev_create(enum ce_gw_type type, __u32 flags,
218  char *dev_name);
219 
229 extern int ce_gw_dev_register(struct net_device *eth_dev);
230 
238 extern void ce_gw_dev_unregister(struct net_device *eth_dev);
239 
249 int ce_gw_dev_init_module(void);
250 
259 extern void ce_gw_dev_cleanup(void);
260 
261 #endif
262