1#ifndef __LINUX_LLC_H 2#define __LINUX_LLC_H 3/* 4 * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. 5 * 6 * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> 7 * 8 * This program can be redistributed or modified under the terms of the 9 * GNU General Public License as published by the Free Software Foundation. 10 * This program is distributed without any warranty or implied warranty 11 * of merchantability or fitness for a particular purpose. 12 * 13 * See the GNU General Public License for more details. 14 */ 15#define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ 16struct sockaddr_llc { 17 sa_family_t sllc_family; /* AF_LLC */ 18 sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ 19 unsigned char sllc_test; 20 unsigned char sllc_xid; 21 unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ 22 unsigned char sllc_sap; 23 unsigned char sllc_mac[IFHWADDRLEN]; 24 unsigned char __pad[__LLC_SOCK_SIZE__ - sizeof(sa_family_t) * 2 - 25 sizeof(unsigned char) * 4 - IFHWADDRLEN]; 26}; 27 28/* sockopt definitions. */ 29enum llc_sockopts { 30 LLC_OPT_UNKNOWN = 0, 31 LLC_OPT_RETRY, /* max retrans attempts. */ 32 LLC_OPT_SIZE, /* max PDU size (octets). */ 33 LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ 34 LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ 35 LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ 36 LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ 37 LLC_OPT_TX_WIN, /* tx window size. */ 38 LLC_OPT_RX_WIN, /* rx window size. */ 39 LLC_OPT_MAX 40}; 41 42#define LLC_OPT_MAX_RETRY 100 43#define LLC_OPT_MAX_SIZE 4196 44#define LLC_OPT_MAX_WIN 127 45#define LLC_OPT_MAX_ACK_TMR_EXP 60 46#define LLC_OPT_MAX_P_TMR_EXP 60 47#define LLC_OPT_MAX_REJ_TMR_EXP 60 48#define LLC_OPT_MAX_BUSY_TMR_EXP 60 49 50/* LLC SAP types. */ 51#define LLC_SAP_NULL 0x00 /* NULL SAP. */ 52#define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ 53#define LLC_SAP_SNA 0x04 /* SNA Path Control. */ 54#define LLC_SAP_PNM 0x0E /* Proway Network Management. */ 55#define LLC_SAP_IP 0x06 /* TCP/IP. */ 56#define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ 57#define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ 58#define LLC_SAP_8208 0x7E /* ISO 8208 */ 59#define LLC_SAP_3COM 0x80 /* 3COM. */ 60#define LLC_SAP_PRO 0x8E /* Proway Active Station List */ 61#define LLC_SAP_SNAP 0xAA /* SNAP. */ 62#define LLC_SAP_BANYAN 0xBC /* Banyan. */ 63#define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ 64#define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ 65#define LLC_SAP_LANMGR 0xF4 /* LanManager. */ 66#define LLC_SAP_IMPL 0xF8 /* IMPL */ 67#define LLC_SAP_DISC 0xFC /* Discovery */ 68#define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ 69#define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ 70#define LLC_SAP_RM 0xD4 /* Resource Management */ 71#define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ 72 73#ifdef __KERNEL__ 74#define LLC_SAP_DYN_START 0xC0 75#define LLC_SAP_DYN_STOP 0xDE 76#define LLC_SAP_DYN_TRIES 4 77 78#define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0])) 79#endif /* __KERNEL__ */ 80#endif /* __LINUX_LLC_H */ 81