/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ /* * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. * * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> * * This program can be redistributed or modified under the terms of the * GNU General Public License as published by the Free Software Foundation. * This program is distributed without any warranty or implied warranty * of merchantability or fitness for a particular purpose. * * See the GNU General Public License for more details. */ #ifndef __LINUX_LLC_H #define __LINUX_LLC_H #include <linux/socket.h> #include <linux/if.h> /* For IFHWADDRLEN. */ #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ struct sockaddr_llc { __kernel_sa_family_t sllc_family; /* AF_LLC */ __kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ unsigned char sllc_test; unsigned char sllc_xid; unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ unsigned char sllc_sap; unsigned char sllc_mac[IFHWADDRLEN]; unsigned char __pad[__LLC_SOCK_SIZE__ - sizeof(__kernel_sa_family_t) * 2 - sizeof(unsigned char) * 4 - IFHWADDRLEN]; }; /* sockopt definitions. */ enum llc_sockopts { LLC_OPT_UNKNOWN = 0, LLC_OPT_RETRY, /* max retrans attempts. */ LLC_OPT_SIZE, /* max PDU size (octets). */ LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ LLC_OPT_TX_WIN, /* tx window size. */ LLC_OPT_RX_WIN, /* rx window size. */ LLC_OPT_PKTINFO, /* ancillary packet information. */ LLC_OPT_MAX }; #define LLC_OPT_MAX_RETRY 100 #define LLC_OPT_MAX_SIZE 4196 #define LLC_OPT_MAX_WIN 127 #define LLC_OPT_MAX_ACK_TMR_EXP 60 #define LLC_OPT_MAX_P_TMR_EXP 60 #define LLC_OPT_MAX_REJ_TMR_EXP 60 #define LLC_OPT_MAX_BUSY_TMR_EXP 60 /* LLC SAP types. */ #define LLC_SAP_NULL 0x00 /* NULL SAP. */ #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ #define LLC_SAP_IP 0x06 /* TCP/IP. */ #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ #define LLC_SAP_8208 0x7E /* ISO 8208 */ #define LLC_SAP_3COM 0x80 /* 3COM. */ #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ #define LLC_SAP_SNAP 0xAA /* SNAP. */ #define LLC_SAP_BANYAN 0xBC /* Banyan. */ #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ #define LLC_SAP_IMPL 0xF8 /* IMPL */ #define LLC_SAP_DISC 0xFC /* Discovery */ #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ #define LLC_SAP_RM 0xD4 /* Resource Management */ #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ struct llc_pktinfo { int lpi_ifindex; unsigned char lpi_sap; unsigned char lpi_mac[IFHWADDRLEN]; }; #endif /* __LINUX_LLC_H */