1 /*
2  * Copyright (C) 2006-2008 Chelsio Communications.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef _T3CDEV_H_
33 #define _T3CDEV_H_
34 
35 #include <linux/list.h>
36 #include <linux/atomic.h>
37 #include <linux/netdevice.h>
38 #include <linux/proc_fs.h>
39 #include <linux/skbuff.h>
40 #include <net/neighbour.h>
41 
42 #define T3CNAMSIZ 16
43 
44 struct cxgb3_client;
45 
46 enum t3ctype {
47 	T3A = 0,
48 	T3B,
49 	T3C,
50 };
51 
52 struct t3cdev {
53 	char name[T3CNAMSIZ];	/* T3C device name */
54 	enum t3ctype type;
55 	struct list_head ofld_dev_list;	/* for list linking */
56 	struct net_device *lldev;	/* LL dev associated with T3C messages */
57 	struct proc_dir_entry *proc_dir;	/* root of proc dir for this T3C */
58 	int (*send)(struct t3cdev *dev, struct sk_buff *skb);
59 	int (*recv)(struct t3cdev *dev, struct sk_buff **skb, int n);
60 	int (*ctl)(struct t3cdev *dev, unsigned int req, void *data);
61 	void (*neigh_update)(struct t3cdev *dev, struct neighbour *neigh);
62 	void *priv;		/* driver private data */
63 	void __rcu *l2opt;	/* optional layer 2 data */
64 	void *l3opt;		/* optional layer 3 data */
65 	void *l4opt;		/* optional layer 4 data */
66 	void *ulp;		/* ulp stuff */
67 	void *ulp_iscsi;	/* ulp iscsi */
68 };
69 
70 #endif				/* _T3CDEV_H_ */
71