[linux.git] / include / linux / llc.h

#ifndef __LINUX_LLC_H
#define __LINUX_LLC_H
/*
 * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators.
 *
 * Copyright (c) 2001 by Jay Schulist <[email protected]>
 *
 * 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/socket.h>

#define __LLC_SOCK_SIZE__ 16	/* sizeof(sockaddr_llc), word align. */
struct sockaddr_llc {
	__kernel_sa_family_t sllc_family; /* AF_LLC */
	__kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */
	unsigned char   sllc_test;
	unsigned char   sllc_xid;
	unsigned char	sllc_ua;	/* UA data, only for SOCK_STREAM. */
	unsigned char   sllc_sap;
	unsigned char   sllc_mac[IFHWADDRLEN];
	unsigned char   __pad[__LLC_SOCK_SIZE__ -
			      sizeof(__kernel_sa_family_t) * 2 -
			      sizeof(unsigned char) * 4 - IFHWADDRLEN];
};

/* sockopt definitions. */
enum llc_sockopts {
	LLC_OPT_UNKNOWN = 0,
	LLC_OPT_RETRY,		/* max retrans attempts. */
	LLC_OPT_SIZE,		/* max PDU size (octets). */
	LLC_OPT_ACK_TMR_EXP,	/* ack expire time (secs). */
	LLC_OPT_P_TMR_EXP,	/* pf cycle expire time (secs). */
	LLC_OPT_REJ_TMR_EXP,	/* rej sent expire time (secs). */
	LLC_OPT_BUSY_TMR_EXP,	/* busy state expire time (secs). */
	LLC_OPT_TX_WIN,		/* tx window size. */
	LLC_OPT_RX_WIN,		/* rx window size. */
	LLC_OPT_PKTINFO,	/* ancillary packet information. */
	LLC_OPT_MAX
};

#define LLC_OPT_MAX_RETRY	 100
#define LLC_OPT_MAX_SIZE	4196
#define LLC_OPT_MAX_WIN		 127
#define LLC_OPT_MAX_ACK_TMR_EXP	  60
#define LLC_OPT_MAX_P_TMR_EXP	  60
#define LLC_OPT_MAX_REJ_TMR_EXP	  60
#define LLC_OPT_MAX_BUSY_TMR_EXP  60

/* LLC SAP types. */
#define LLC_SAP_NULL	0x00		/* NULL SAP. 			*/
#define LLC_SAP_LLC	0x02		/* LLC Sublayer Management. 	*/
#define LLC_SAP_SNA	0x04		/* SNA Path Control. 		*/
#define LLC_SAP_PNM	0x0E		/* Proway Network Management.	*/	
#define LLC_SAP_IP	0x06		/* TCP/IP. 			*/
#define LLC_SAP_BSPAN	0x42		/* Bridge Spanning Tree Proto	*/
#define LLC_SAP_MMS	0x4E		/* Manufacturing Message Srv.	*/
#define LLC_SAP_8208	0x7E		/* ISO 8208			*/
#define LLC_SAP_3COM	0x80		/* 3COM. 			*/
#define LLC_SAP_PRO	0x8E		/* Proway Active Station List	*/
#define LLC_SAP_SNAP	0xAA		/* SNAP. 			*/
#define LLC_SAP_BANYAN	0xBC		/* Banyan. 			*/
#define LLC_SAP_IPX	0xE0		/* IPX/SPX. 			*/
#define LLC_SAP_NETBEUI	0xF0		/* NetBEUI. 			*/
#define LLC_SAP_LANMGR	0xF4		/* LanManager. 			*/
#define LLC_SAP_IMPL	0xF8		/* IMPL				*/
#define LLC_SAP_DISC	0xFC		/* Discovery			*/
#define LLC_SAP_OSI	0xFE		/* OSI Network Layers. 		*/
#define LLC_SAP_LAR	0xDC		/* LAN Address Resolution 	*/
#define LLC_SAP_RM	0xD4		/* Resource Management 		*/
#define LLC_SAP_GLOBAL	0xFF		/* Global SAP. 			*/

struct llc_pktinfo {
	int lpi_ifindex;
	unsigned char lpi_sap;
	unsigned char lpi_mac[IFHWADDRLEN];
};

#ifdef __KERNEL__
#define LLC_SAP_DYN_START	0xC0
#define LLC_SAP_DYN_STOP	0xDE
#define LLC_SAP_DYN_TRIES	4

#define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0]))
#endif /* __KERNEL__ */
#endif /* __LINUX_LLC_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __LINUX_LLC_H
	2	#define __LINUX_LLC_H
	3	/*
	4	* IEEE 802.2 User Interface SAPs for Linux, data structures and indicators.
	5	*
	6	* Copyright (c) 2001 by Jay Schulist <[email protected]>
	7	*
	8	* This program can be redistributed or modified under the terms of the
	9	* GNU General Public License as published by the Free Software Foundation.
	10	* This program is distributed without any warranty or implied warranty
	11	* of merchantability or fitness for a particular purpose.
	12	*
	13	* See the GNU General Public License for more details.
	14	*/
bcb949b8 BH	15
	16	#include <linux/socket.h>
	17
1da177e4 LT	18	#define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */
1da177e4 LT	19	struct sockaddr_llc {
bcb949b8 BH	20	__kernel_sa_family_t sllc_family; /* AF_LLC */
bcb949b8 BH	21	__kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */
1da177e4 LT	22	unsigned char sllc_test;
	23	unsigned char sllc_xid;
	24	unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */
	25	unsigned char sllc_sap;
	26	unsigned char sllc_mac[IFHWADDRLEN];
bcb949b8 BH	27	unsigned char __pad[__LLC_SOCK_SIZE__ -
bcb949b8 BH	28	sizeof(__kernel_sa_family_t) * 2 -
1da177e4 LT	29	sizeof(unsigned char) * 4 - IFHWADDRLEN];
	30	};
	31
	32	/* sockopt definitions. */
	33	enum llc_sockopts {
	34	LLC_OPT_UNKNOWN = 0,
	35	LLC_OPT_RETRY, /* max retrans attempts. */
	36	LLC_OPT_SIZE, /* max PDU size (octets). */
	37	LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */
	38	LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */
	39	LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */
	40	LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */
	41	LLC_OPT_TX_WIN, /* tx window size. */
	42	LLC_OPT_RX_WIN, /* rx window size. */
e5cd6fe3	43	LLC_OPT_PKTINFO, /* ancillary packet information. */
1da177e4 LT	44	LLC_OPT_MAX
	45	};
	46
	47	#define LLC_OPT_MAX_RETRY 100
	48	#define LLC_OPT_MAX_SIZE 4196
	49	#define LLC_OPT_MAX_WIN 127
	50	#define LLC_OPT_MAX_ACK_TMR_EXP 60
	51	#define LLC_OPT_MAX_P_TMR_EXP 60
	52	#define LLC_OPT_MAX_REJ_TMR_EXP 60
	53	#define LLC_OPT_MAX_BUSY_TMR_EXP 60
	54
	55	/* LLC SAP types. */
	56	#define LLC_SAP_NULL 0x00 /* NULL SAP. */
fd3f8984	57	#define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */
1da177e4	58	#define LLC_SAP_SNA 0x04 /* SNA Path Control. */
fd3f8984	59	#define LLC_SAP_PNM 0x0E /* Proway Network Management. */
1da177e4 LT	60	#define LLC_SAP_IP 0x06 /* TCP/IP. */
	61	#define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */
	62	#define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */
	63	#define LLC_SAP_8208 0x7E /* ISO 8208 */
	64	#define LLC_SAP_3COM 0x80 /* 3COM. */
	65	#define LLC_SAP_PRO 0x8E /* Proway Active Station List */
	66	#define LLC_SAP_SNAP 0xAA /* SNAP. */
	67	#define LLC_SAP_BANYAN 0xBC /* Banyan. */
	68	#define LLC_SAP_IPX 0xE0 /* IPX/SPX. */
	69	#define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */
	70	#define LLC_SAP_LANMGR 0xF4 /* LanManager. */
	71	#define LLC_SAP_IMPL 0xF8 /* IMPL */
	72	#define LLC_SAP_DISC 0xFC /* Discovery */
	73	#define LLC_SAP_OSI 0xFE /* OSI Network Layers. */
	74	#define LLC_SAP_LAR 0xDC /* LAN Address Resolution */
	75	#define LLC_SAP_RM 0xD4 /* Resource Management */
	76	#define LLC_SAP_GLOBAL 0xFF /* Global SAP. */
	77
e5cd6fe3 OP	78	struct llc_pktinfo {
	79	int lpi_ifindex;
	80	unsigned char lpi_sap;
	81	unsigned char lpi_mac[IFHWADDRLEN];
	82	};
	83
1da177e4 LT	84	#ifdef __KERNEL__
	85	#define LLC_SAP_DYN_START 0xC0
	86	#define LLC_SAP_DYN_STOP 0xDE
	87	#define LLC_SAP_DYN_TRIES 4
	88
	89	#define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0]))
	90	#endif /* __KERNEL__ */
	91	#endif /* __LINUX_LLC_H */