linux-imx

#ifndef LLC_H

#define LLC_H

/*

 * Copyright (c) 1997 by Procom Technology, Inc.

 *       2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>

 *

 * This program can be redistributed or modified under the terms of the

 * GNU General Public License as published by the Free Software Foundation.

 * This program is distributed without any warranty or implied warranty

 * of merchantability or fitness for a particular purpose.

 *

 * See the GNU General Public License for more details.

 */

​

#include <linux/if.h>

#include <linux/if_ether.h>

#include <linux/list.h>

#include <linux/spinlock.h>

#include <linux/rculist_nulls.h>

#include <linux/hash.h>

#include <linux/jhash.h>

​

#include <linux/atomic.h>

​

struct net_device;

struct packet_type;

struct sk_buff;

​

struct llc_addr {

    unsigned char lsap;

    unsigned char mac[IFHWADDRLEN];

};

​

#define LLC_SAP_STATE_INACTIVE  1

#define LLC_SAP_STATE_ACTIVE    2

​

#define LLC_SK_DEV_HASH_BITS 6

#define LLC_SK_DEV_HASH_ENTRIES (1<<LLC_SK_DEV_HASH_BITS)

​

#define LLC_SK_LADDR_HASH_BITS 6

#define LLC_SK_LADDR_HASH_ENTRIES (1<<LLC_SK_LADDR_HASH_BITS)

​

/**

 * struct llc_sap - Defines the SAP component

 *

 * @station - station this sap belongs to

 * @state - sap state

 * @p_bit - only lowest-order bit used

 * @f_bit - only lowest-order bit used

 * @laddr - SAP value in this 'lsap'

 * @node - entry in station sap_list

 * @sk_list - LLC sockets this one manages

 */

struct llc_sap {

    unsigned char    state;

    unsigned char    p_bit;

    unsigned char    f_bit;

    refcount_t       refcnt;

    int      (*rcv_func)(struct sk_buff *skb,

                     struct net_device *dev,

                     struct packet_type *pt,

                     struct net_device *orig_dev);

    struct llc_addr  laddr;