1*e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ 2607ca46eSDavid Howells /* 3607ca46eSDavid Howells * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. 4607ca46eSDavid Howells * 5607ca46eSDavid Howells * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> 6607ca46eSDavid Howells * 7607ca46eSDavid Howells * This program can be redistributed or modified under the terms of the 8607ca46eSDavid Howells * GNU General Public License as published by the Free Software Foundation. 9607ca46eSDavid Howells * This program is distributed without any warranty or implied warranty 10607ca46eSDavid Howells * of merchantability or fitness for a particular purpose. 11607ca46eSDavid Howells * 12607ca46eSDavid Howells * See the GNU General Public License for more details. 13607ca46eSDavid Howells */ 14607ca46eSDavid Howells #ifndef _UAPI__LINUX_LLC_H 15607ca46eSDavid Howells #define _UAPI__LINUX_LLC_H 16607ca46eSDavid Howells 17607ca46eSDavid Howells #include <linux/socket.h> 1840df93beSDmitry V. Levin #include <linux/if.h> /* For IFHWADDRLEN. */ 19607ca46eSDavid Howells 20607ca46eSDavid Howells #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ 21607ca46eSDavid Howells struct sockaddr_llc { 22607ca46eSDavid Howells __kernel_sa_family_t sllc_family; /* AF_LLC */ 23607ca46eSDavid Howells __kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ 24607ca46eSDavid Howells unsigned char sllc_test; 25607ca46eSDavid Howells unsigned char sllc_xid; 26607ca46eSDavid Howells unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ 27607ca46eSDavid Howells unsigned char sllc_sap; 28607ca46eSDavid Howells unsigned char sllc_mac[IFHWADDRLEN]; 29607ca46eSDavid Howells unsigned char __pad[__LLC_SOCK_SIZE__ - 30607ca46eSDavid Howells sizeof(__kernel_sa_family_t) * 2 - 31607ca46eSDavid Howells sizeof(unsigned char) * 4 - IFHWADDRLEN]; 32607ca46eSDavid Howells }; 33607ca46eSDavid Howells 34607ca46eSDavid Howells /* sockopt definitions. */ 35607ca46eSDavid Howells enum llc_sockopts { 36607ca46eSDavid Howells LLC_OPT_UNKNOWN = 0, 37607ca46eSDavid Howells LLC_OPT_RETRY, /* max retrans attempts. */ 38607ca46eSDavid Howells LLC_OPT_SIZE, /* max PDU size (octets). */ 39607ca46eSDavid Howells LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ 40607ca46eSDavid Howells LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ 41607ca46eSDavid Howells LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ 42607ca46eSDavid Howells LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ 43607ca46eSDavid Howells LLC_OPT_TX_WIN, /* tx window size. */ 44607ca46eSDavid Howells LLC_OPT_RX_WIN, /* rx window size. */ 45607ca46eSDavid Howells LLC_OPT_PKTINFO, /* ancillary packet information. */ 46607ca46eSDavid Howells LLC_OPT_MAX 47607ca46eSDavid Howells }; 48607ca46eSDavid Howells 49607ca46eSDavid Howells #define LLC_OPT_MAX_RETRY 100 50607ca46eSDavid Howells #define LLC_OPT_MAX_SIZE 4196 51607ca46eSDavid Howells #define LLC_OPT_MAX_WIN 127 52607ca46eSDavid Howells #define LLC_OPT_MAX_ACK_TMR_EXP 60 53607ca46eSDavid Howells #define LLC_OPT_MAX_P_TMR_EXP 60 54607ca46eSDavid Howells #define LLC_OPT_MAX_REJ_TMR_EXP 60 55607ca46eSDavid Howells #define LLC_OPT_MAX_BUSY_TMR_EXP 60 56607ca46eSDavid Howells 57607ca46eSDavid Howells /* LLC SAP types. */ 58607ca46eSDavid Howells #define LLC_SAP_NULL 0x00 /* NULL SAP. */ 59607ca46eSDavid Howells #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ 60607ca46eSDavid Howells #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ 61607ca46eSDavid Howells #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ 62607ca46eSDavid Howells #define LLC_SAP_IP 0x06 /* TCP/IP. */ 63607ca46eSDavid Howells #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ 64607ca46eSDavid Howells #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ 65607ca46eSDavid Howells #define LLC_SAP_8208 0x7E /* ISO 8208 */ 66607ca46eSDavid Howells #define LLC_SAP_3COM 0x80 /* 3COM. */ 67607ca46eSDavid Howells #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ 68607ca46eSDavid Howells #define LLC_SAP_SNAP 0xAA /* SNAP. */ 69607ca46eSDavid Howells #define LLC_SAP_BANYAN 0xBC /* Banyan. */ 70607ca46eSDavid Howells #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ 71607ca46eSDavid Howells #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ 72607ca46eSDavid Howells #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ 73607ca46eSDavid Howells #define LLC_SAP_IMPL 0xF8 /* IMPL */ 74607ca46eSDavid Howells #define LLC_SAP_DISC 0xFC /* Discovery */ 75607ca46eSDavid Howells #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ 76607ca46eSDavid Howells #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ 77607ca46eSDavid Howells #define LLC_SAP_RM 0xD4 /* Resource Management */ 78607ca46eSDavid Howells #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ 79607ca46eSDavid Howells 80607ca46eSDavid Howells struct llc_pktinfo { 81607ca46eSDavid Howells int lpi_ifindex; 82607ca46eSDavid Howells unsigned char lpi_sap; 83607ca46eSDavid Howells unsigned char lpi_mac[IFHWADDRLEN]; 84607ca46eSDavid Howells }; 85607ca46eSDavid Howells 86607ca46eSDavid Howells #endif /* _UAPI__LINUX_LLC_H */ 87