1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * This program can be redistributed or modified under the terms of the 8*4882a593Smuzhiyun * GNU General Public License as published by the Free Software Foundation. 9*4882a593Smuzhiyun * This program is distributed without any warranty or implied warranty 10*4882a593Smuzhiyun * of merchantability or fitness for a particular purpose. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * See the GNU General Public License for more details. 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun #ifndef _UAPI__LINUX_LLC_H 15*4882a593Smuzhiyun #define _UAPI__LINUX_LLC_H 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #include <linux/socket.h> 18*4882a593Smuzhiyun #include <linux/if.h> /* For IFHWADDRLEN. */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ 21*4882a593Smuzhiyun struct sockaddr_llc { 22*4882a593Smuzhiyun __kernel_sa_family_t sllc_family; /* AF_LLC */ 23*4882a593Smuzhiyun __kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ 24*4882a593Smuzhiyun unsigned char sllc_test; 25*4882a593Smuzhiyun unsigned char sllc_xid; 26*4882a593Smuzhiyun unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ 27*4882a593Smuzhiyun unsigned char sllc_sap; 28*4882a593Smuzhiyun unsigned char sllc_mac[IFHWADDRLEN]; 29*4882a593Smuzhiyun unsigned char __pad[__LLC_SOCK_SIZE__ - 30*4882a593Smuzhiyun sizeof(__kernel_sa_family_t) * 2 - 31*4882a593Smuzhiyun sizeof(unsigned char) * 4 - IFHWADDRLEN]; 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* sockopt definitions. */ 35*4882a593Smuzhiyun enum llc_sockopts { 36*4882a593Smuzhiyun LLC_OPT_UNKNOWN = 0, 37*4882a593Smuzhiyun LLC_OPT_RETRY, /* max retrans attempts. */ 38*4882a593Smuzhiyun LLC_OPT_SIZE, /* max PDU size (octets). */ 39*4882a593Smuzhiyun LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ 40*4882a593Smuzhiyun LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ 41*4882a593Smuzhiyun LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ 42*4882a593Smuzhiyun LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ 43*4882a593Smuzhiyun LLC_OPT_TX_WIN, /* tx window size. */ 44*4882a593Smuzhiyun LLC_OPT_RX_WIN, /* rx window size. */ 45*4882a593Smuzhiyun LLC_OPT_PKTINFO, /* ancillary packet information. */ 46*4882a593Smuzhiyun LLC_OPT_MAX 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #define LLC_OPT_MAX_RETRY 100 50*4882a593Smuzhiyun #define LLC_OPT_MAX_SIZE 4196 51*4882a593Smuzhiyun #define LLC_OPT_MAX_WIN 127 52*4882a593Smuzhiyun #define LLC_OPT_MAX_ACK_TMR_EXP 60 53*4882a593Smuzhiyun #define LLC_OPT_MAX_P_TMR_EXP 60 54*4882a593Smuzhiyun #define LLC_OPT_MAX_REJ_TMR_EXP 60 55*4882a593Smuzhiyun #define LLC_OPT_MAX_BUSY_TMR_EXP 60 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* LLC SAP types. */ 58*4882a593Smuzhiyun #define LLC_SAP_NULL 0x00 /* NULL SAP. */ 59*4882a593Smuzhiyun #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ 60*4882a593Smuzhiyun #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ 61*4882a593Smuzhiyun #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ 62*4882a593Smuzhiyun #define LLC_SAP_IP 0x06 /* TCP/IP. */ 63*4882a593Smuzhiyun #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ 64*4882a593Smuzhiyun #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ 65*4882a593Smuzhiyun #define LLC_SAP_8208 0x7E /* ISO 8208 */ 66*4882a593Smuzhiyun #define LLC_SAP_3COM 0x80 /* 3COM. */ 67*4882a593Smuzhiyun #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ 68*4882a593Smuzhiyun #define LLC_SAP_SNAP 0xAA /* SNAP. */ 69*4882a593Smuzhiyun #define LLC_SAP_BANYAN 0xBC /* Banyan. */ 70*4882a593Smuzhiyun #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ 71*4882a593Smuzhiyun #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ 72*4882a593Smuzhiyun #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ 73*4882a593Smuzhiyun #define LLC_SAP_IMPL 0xF8 /* IMPL */ 74*4882a593Smuzhiyun #define LLC_SAP_DISC 0xFC /* Discovery */ 75*4882a593Smuzhiyun #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ 76*4882a593Smuzhiyun #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ 77*4882a593Smuzhiyun #define LLC_SAP_RM 0xD4 /* Resource Management */ 78*4882a593Smuzhiyun #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun struct llc_pktinfo { 81*4882a593Smuzhiyun int lpi_ifindex; 82*4882a593Smuzhiyun unsigned char lpi_sap; 83*4882a593Smuzhiyun unsigned char lpi_mac[IFHWADDRLEN]; 84*4882a593Smuzhiyun }; 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun #endif /* _UAPI__LINUX_LLC_H */ 87