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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 the8 * GNU General Public License as published by the Free Software Foundation.9 * This program is distributed without any warranty or implied warranty10 * 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_H15#define _UAPI__LINUX_LLC_H16 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_MAX47};48 49#define LLC_OPT_MAX_RETRY 10050#define LLC_OPT_MAX_SIZE 419651#define LLC_OPT_MAX_WIN 12752#define LLC_OPT_MAX_ACK_TMR_EXP 6053#define LLC_OPT_MAX_P_TMR_EXP 6054#define LLC_OPT_MAX_REJ_TMR_EXP 6055#define LLC_OPT_MAX_BUSY_TMR_EXP 6056 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 */87