diff options
Diffstat (limited to 'include/linux/llc.h')
| -rw-r--r-- | include/linux/llc.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/include/linux/llc.h b/include/linux/llc.h new file mode 100644 index 00000000..a2418ae1 --- /dev/null +++ b/include/linux/llc.h @@ -0,0 +1,91 @@ +#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. + */ + +#include <linux/socket.h> + +#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]; +}; + +#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 */ |