llc.h (3179B)
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 _UAPI__LINUX_LLC_H 15#define _UAPI__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. */ 21struct 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. */ 35enum 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 80struct llc_pktinfo { 81 int lpi_ifindex; 82 unsigned char lpi_sap; 83 unsigned char lpi_mac[IFHWADDRLEN]; 84}; 85 86#endif /* _UAPI__LINUX_LLC_H */