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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 |
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