llclib.h

基于vxworks操作系统,Tornado2.0平台,生成树STP源码.直接在其对应的设备中添加即可.

/* llcLib.h - Link Layer Control to MUX library routines */

/* Copyright 1998-2000 Wind River Systems, Inc. */
/* Copyright 1998-1999 Wind River Systems, Inc. */

/*
modification history
--------------------
00e,18mar01,kw  Added the LACP support.
00d,03nov00,kw  Added the IGMP Snooping support.
00c,03mar10,kw  Change name to llcLib.h
00b,28oct99,kw  Change name to llc2Mux.h
00a,14Jul99,gkw Written.
*/

/*
DESCRIPTION:
   Definitions for the LLC MUX function, which allows multiple link layer 
   control protocols to use the underlying network END driver.

*/
#ifndef __INCllcLibh
#define __INCllcLibh

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/*
 * The individual link layer control protocol IDs (from the 802.1D/D17 spec).
 */
#define STP_PROTOCOL		0x0000		/* spanning tree protocol ID	   */
#define GARP_PROTOCOL		0x0001		/* GARP protocol ID				   */
#ifndef IGMP_PROTOCOL
#define IGMP_PROTOCOL       0x0002      /* IGMP Protocol ID                */
#endif /* IGMP_PROTOCOL */

#define IP_PROTO_OFFSET     23          /* 24 bytes from start of packet.  */

/*
 * The policies for handling the source MAC address for link layer control
 * protocol frames.
 */
#define DEFAULT_MAC_ADDR	0	/* Host MAC sent as source on all ports		*/
#define LOCAL_ADMIN_ADDR	1	/* Same as "default," but set LA bit		*/
#define INCREMENT_ADDR		2	/* Increment host MAC according to port #	*/

#define LLPDU_SOURCE_ADDR	LOCAL_ADMIN_ADDR
							/* The link layer control protocol MAC policy	*/

#define STP_ETHER_TYPE		0x0042      /* Used for Sending a packet.       */
#define GARP_ETHER_TYPE     0x0043      /* Used for Sending a packet.       */
#define GMRP_ETHER_TYPE		0x2042      /* Protocol Type for Receives       */
#define GVRP_ETHER_TYPE		0x2142      /* Protocol Type for Receives       */
#define IGMP_SNOOP_TYPE     0x0242      /* IGMP Snooping                    */
#define LACP_ETHER_TYPE     0x8809      /* LACP                             */

ulong_t	llcProtoGet( M_BLK_ID pMblk, ulong_t * type, ulong_t qtag_size );

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __INCllcLibh */