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. */ 16 struct 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. */ 29 enum 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_PKTINFO, /* ancillary packet information. */ 40 LLC_OPT_MAX 41 }; 42 43 #define LLC_OPT_MAX_RETRY 100 44 #define LLC_OPT_MAX_SIZE 4196 45 #define LLC_OPT_MAX_WIN 127 46 #define LLC_OPT_MAX_ACK_TMR_EXP 60 47 #define LLC_OPT_MAX_P_TMR_EXP 60 48 #define LLC_OPT_MAX_REJ_TMR_EXP 60 49 #define LLC_OPT_MAX_BUSY_TMR_EXP 60 50 51 /* LLC SAP types. */ 52 #define LLC_SAP_NULL 0x00 /* NULL SAP. */ 53 #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ 54 #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ 55 #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ 56 #define LLC_SAP_IP 0x06 /* TCP/IP. */ 57 #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ 58 #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ 59 #define LLC_SAP_8208 0x7E /* ISO 8208 */ 60 #define LLC_SAP_3COM 0x80 /* 3COM. */ 61 #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ 62 #define LLC_SAP_SNAP 0xAA /* SNAP. */ 63 #define LLC_SAP_BANYAN 0xBC /* Banyan. */ 64 #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ 65 #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ 66 #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ 67 #define LLC_SAP_IMPL 0xF8 /* IMPL */ 68 #define LLC_SAP_DISC 0xFC /* Discovery */ 69 #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ 70 #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ 71 #define LLC_SAP_RM 0xD4 /* Resource Management */ 72 #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ 73 74 struct llc_pktinfo { 75 int lpi_ifindex; 76 unsigned char lpi_sap; 77 unsigned char lpi_mac[IFHWADDRLEN]; 78 }; 79 80 #ifdef __KERNEL__ 81 #define LLC_SAP_DYN_START 0xC0 82 #define LLC_SAP_DYN_STOP 0xDE 83 #define LLC_SAP_DYN_TRIES 4 84 85 #define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0])) 86 #endif /* __KERNEL__ */ 87 #endif /* __LINUX_LLC_H */ 88