1 | /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ |
2 | /* |
3 | * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. |
4 | * |
5 | * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> |
6 | * |
7 | * This program can be redistributed or modified under the terms of the |
8 | * GNU General Public License as published by the Free Software Foundation. |
9 | * This program is distributed without any warranty or implied warranty |
10 | * of merchantability or fitness for a particular purpose. |
11 | * |
12 | * See the GNU General Public License for more details. |
13 | */ |
14 | #ifndef _UAPI__LINUX_LLC_H |
15 | #define _UAPI__LINUX_LLC_H |
16 | |
17 | #include <linux/socket.h> |
18 | #include <linux/if.h> /* For IFHWADDRLEN. */ |
19 | |
20 | #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ |
21 | struct sockaddr_llc { |
22 | __kernel_sa_family_t sllc_family; /* AF_LLC */ |
23 | __kernel_sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ |
24 | unsigned char sllc_test; |
25 | unsigned char sllc_xid; |
26 | unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ |
27 | unsigned char sllc_sap; |
28 | unsigned char sllc_mac[IFHWADDRLEN]; |
29 | unsigned char __pad[__LLC_SOCK_SIZE__ - |
30 | sizeof(__kernel_sa_family_t) * 2 - |
31 | sizeof(unsigned char) * 4 - IFHWADDRLEN]; |
32 | }; |
33 | |
34 | /* sockopt definitions. */ |
35 | enum llc_sockopts { |
36 | LLC_OPT_UNKNOWN = 0, |
37 | LLC_OPT_RETRY, /* max retrans attempts. */ |
38 | LLC_OPT_SIZE, /* max PDU size (octets). */ |
39 | LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ |
40 | LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ |
41 | LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ |
42 | LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ |
43 | LLC_OPT_TX_WIN, /* tx window size. */ |
44 | LLC_OPT_RX_WIN, /* rx window size. */ |
45 | LLC_OPT_PKTINFO, /* ancillary packet information. */ |
46 | LLC_OPT_MAX |
47 | }; |
48 | |
49 | #define LLC_OPT_MAX_RETRY 100 |
50 | #define LLC_OPT_MAX_SIZE 4196 |
51 | #define LLC_OPT_MAX_WIN 127 |
52 | #define LLC_OPT_MAX_ACK_TMR_EXP 60 |
53 | #define LLC_OPT_MAX_P_TMR_EXP 60 |
54 | #define LLC_OPT_MAX_REJ_TMR_EXP 60 |
55 | #define LLC_OPT_MAX_BUSY_TMR_EXP 60 |
56 | |
57 | /* LLC SAP types. */ |
58 | #define LLC_SAP_NULL 0x00 /* NULL SAP. */ |
59 | #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ |
60 | #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ |
61 | #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ |
62 | #define LLC_SAP_IP 0x06 /* TCP/IP. */ |
63 | #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ |
64 | #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ |
65 | #define LLC_SAP_8208 0x7E /* ISO 8208 */ |
66 | #define LLC_SAP_3COM 0x80 /* 3COM. */ |
67 | #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ |
68 | #define LLC_SAP_SNAP 0xAA /* SNAP. */ |
69 | #define LLC_SAP_BANYAN 0xBC /* Banyan. */ |
70 | #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ |
71 | #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ |
72 | #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ |
73 | #define LLC_SAP_IMPL 0xF8 /* IMPL */ |
74 | #define LLC_SAP_DISC 0xFC /* Discovery */ |
75 | #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ |
76 | #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ |
77 | #define LLC_SAP_RM 0xD4 /* Resource Management */ |
78 | #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ |
79 | |
80 | struct llc_pktinfo { |
81 | int lpi_ifindex; |
82 | unsigned char lpi_sap; |
83 | unsigned char lpi_mac[IFHWADDRLEN]; |
84 | }; |
85 | |
86 | #endif /* _UAPI__LINUX_LLC_H */ |
87 | |