| #ifndef __LINUX_LLC_H |
| #define __LINUX_LLC_H |
| /* |
| * 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. |
| */ |
| #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ |
| struct sockaddr_llc { |
| sa_family_t sllc_family; /* AF_LLC */ |
| 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(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]; |
| }; |
| |
| #ifdef __KERNEL__ |
| #define LLC_SAP_DYN_START 0xC0 |
| #define LLC_SAP_DYN_STOP 0xDE |
| #define LLC_SAP_DYN_TRIES 4 |
| |
| #define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0])) |
| #endif /* __KERNEL__ */ |
| #endif /* __LINUX_LLC_H */ |