The C and C++ Include Header Files

/usr/include/linux/llc.h


$ cat -n /usr/include/linux/llc.h

     1	/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
     2	/*
     3	 * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators.
     4	 *
     5	 * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org>
     6	 *
     7	 * This program can be redistributed or modified under the terms of the
     8	 * GNU General Public License as published by the Free Software Foundation.
     9	 * This program is distributed without any warranty or implied warranty
    10	 * of merchantability or fitness for a particular purpose.
    11	 *
    12	 * See the GNU General Public License for more details.
    13	 */
    14	#ifndef __LINUX_LLC_H
    15	#define __LINUX_LLC_H
    16	
    17	#include <linux/socket.h>
    18	#include <linux/if.h> 		/* For IFHWADDRLEN. */
    19	
    20	#define __LLC_SOCK_SIZE__ 16	/* sizeof(sockaddr_llc), word align. */
    21	struct sockaddr_llc {
    22		__kernel_sa_family_t sllc_family; /* AF_LLC */
    23		__kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */
    24		unsigned char   sllc_test;
    25		unsigned char   sllc_xid;
    26		unsigned char	sllc_ua;	/* UA data, only for SOCK_STREAM. */
    27		unsigned char   sllc_sap;
    28		unsigned char   sllc_mac[IFHWADDRLEN];
    29		unsigned char   __pad[__LLC_SOCK_SIZE__ -
    30				      sizeof(__kernel_sa_family_t) * 2 -
    31				      sizeof(unsigned char) * 4 - IFHWADDRLEN];
    32	};
    33	
    34	/* sockopt definitions. */
    35	enum llc_sockopts {
    36		LLC_OPT_UNKNOWN = 0,
    37		LLC_OPT_RETRY,		/* max retrans attempts. */
    38		LLC_OPT_SIZE,		/* max PDU size (octets). */
    39		LLC_OPT_ACK_TMR_EXP,	/* ack expire time (secs). */
    40		LLC_OPT_P_TMR_EXP,	/* pf cycle expire time (secs). */
    41		LLC_OPT_REJ_TMR_EXP,	/* rej sent expire time (secs). */
    42		LLC_OPT_BUSY_TMR_EXP,	/* busy state expire time (secs). */
    43		LLC_OPT_TX_WIN,		/* tx window size. */
    44		LLC_OPT_RX_WIN,		/* rx window size. */
    45		LLC_OPT_PKTINFO,	/* ancillary packet information. */
    46		LLC_OPT_MAX
    47	};
    48	
    49	#define LLC_OPT_MAX_RETRY	 100
    50	#define LLC_OPT_MAX_SIZE	4196
    51	#define LLC_OPT_MAX_WIN		 127
    52	#define LLC_OPT_MAX_ACK_TMR_EXP	  60
    53	#define LLC_OPT_MAX_P_TMR_EXP	  60
    54	#define LLC_OPT_MAX_REJ_TMR_EXP	  60
    55	#define LLC_OPT_MAX_BUSY_TMR_EXP  60
    56	
    57	/* LLC SAP types. */
    58	#define LLC_SAP_NULL	0x00		/* NULL SAP. 			*/
    59	#define LLC_SAP_LLC	0x02		/* LLC Sublayer Management. 	*/
    60	#define LLC_SAP_SNA	0x04		/* SNA Path Control. 		*/
    61	#define LLC_SAP_PNM	0x0E		/* Proway Network Management.	*/	
    62	#define LLC_SAP_IP	0x06		/* TCP/IP. 			*/
    63	#define LLC_SAP_BSPAN	0x42		/* Bridge Spanning Tree Proto	*/
    64	#define LLC_SAP_MMS	0x4E		/* Manufacturing Message Srv.	*/
    65	#define LLC_SAP_8208	0x7E		/* ISO 8208			*/
    66	#define LLC_SAP_3COM	0x80		/* 3COM. 			*/
    67	#define LLC_SAP_PRO	0x8E		/* Proway Active Station List	*/
    68	#define LLC_SAP_SNAP	0xAA		/* SNAP. 			*/
    69	#define LLC_SAP_BANYAN	0xBC		/* Banyan. 			*/
    70	#define LLC_SAP_IPX	0xE0		/* IPX/SPX. 			*/
    71	#define LLC_SAP_NETBEUI	0xF0		/* NetBEUI. 			*/
    72	#define LLC_SAP_LANMGR	0xF4		/* LanManager. 			*/
    73	#define LLC_SAP_IMPL	0xF8		/* IMPL				*/
    74	#define LLC_SAP_DISC	0xFC		/* Discovery			*/
    75	#define LLC_SAP_OSI	0xFE		/* OSI Network Layers. 		*/
    76	#define LLC_SAP_LAR	0xDC		/* LAN Address Resolution 	*/
    77	#define LLC_SAP_RM	0xD4		/* Resource Management 		*/
    78	#define LLC_SAP_GLOBAL	0xFF		/* Global SAP. 			*/
    79	
    80	struct llc_pktinfo {
    81		int lpi_ifindex;
    82		unsigned char lpi_sap;
    83		unsigned char lpi_mac[IFHWADDRLEN];
    84	};
    85	
    86	#endif /* __LINUX_LLC_H */