chelsio/cxgb3/t3cdev.h

0001 /*
0002  * Copyright (C) 2006-2008 Chelsio Communications.  All rights reserved.
0003  *
0004  * This software is available to you under a choice of one of two
0005  * licenses.  You may choose to be licensed under the terms of the GNU
0006  * General Public License (GPL) Version 2, available from the file
0007  * COPYING in the main directory of this source tree, or the
0008  * OpenIB.org BSD license below:
0009  *
0010  *     Redistribution and use in source and binary forms, with or
0011  *     without modification, are permitted provided that the following
0012  *     conditions are met:
0013  *
0014  *      - Redistributions of source code must retain the above
0015  *        copyright notice, this list of conditions and the following
0016  *        disclaimer.
0017  *
0018  *      - Redistributions in binary form must reproduce the above
0019  *        copyright notice, this list of conditions and the following
0020  *        disclaimer in the documentation and/or other materials
0021  *        provided with the distribution.
0022  *
0023  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0024  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
0025  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0026  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
0027  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
0028  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
0029  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0030  * SOFTWARE.
0031  */
0032 #ifndef _T3CDEV_H_
0033 #define _T3CDEV_H_
0034
0035 #include <linux/list.h>
0036 #include <linux/atomic.h>
0037 #include <linux/netdevice.h>
0038 #include <linux/proc_fs.h>
0039 #include <linux/skbuff.h>
0040 #include <net/neighbour.h>
0041
0042 #define T3CNAMSIZ 16
0043
0044 struct cxgb3_client;
0045
0046 enum t3ctype {
0047     T3A = 0,
0048     T3B,
0049     T3C,
0050 };
0051
0052 struct t3cdev {
0053     char name[T3CNAMSIZ];   /* T3C device name */
0054     enum t3ctype type;
0055     struct list_head ofld_dev_list; /* for list linking */
0056     struct net_device *lldev;   /* LL dev associated with T3C messages */
0057     struct proc_dir_entry *proc_dir;    /* root of proc dir for this T3C */
0058     int (*send)(struct t3cdev *dev, struct sk_buff *skb);
0059     int (*recv)(struct t3cdev *dev, struct sk_buff **skb, int n);
0060     int (*ctl)(struct t3cdev *dev, unsigned int req, void *data);
0061     void (*neigh_update)(struct t3cdev *dev, struct neighbour *neigh);
0062     void *priv;     /* driver private data */
0063     void __rcu *l2opt;  /* optional layer 2 data */
0064     void *l3opt;        /* optional layer 3 data */
0065     void *l4opt;        /* optional layer 4 data */
0066     void *ulp;      /* ulp stuff */
0067     void *ulp_iscsi;    /* ulp iscsi */
0068 };
0069
0070 #endif              /* _T3CDEV_H_ */