1 /* SPDX-License-Identifier: LGPL-2.1 */ 1
2 /*
3 *
4 * Protocol Data Unit definitions for RFC 10
5 *
6 * Copyright (c) International Business Mach
7 * Author(s): Steve French (sfrench@us.ibm.c
8 *
9 */
10
11 /* NB: unlike smb/cifs packets, the RFC1002 st
12
13 /* RFC 1002 session packet types */
14 #define RFC1002_SESSION_MESSAGE 0x00
15 #define RFC1002_SESSION_REQUEST 0x81
16 #define RFC1002_POSITIVE_SESSION_RESPONSE 0x82
17 #define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83
18 #define RFC1002_RETARGET_SESSION_RESPONSE 0x84
19 #define RFC1002_SESSION_KEEP_ALIVE 0x85
20
21 /* RFC 1002 flags (only one defined */
22 #define RFC1002_LENGTH_EXTEND 0x80 /* high ord
23
24 struct rfc1002_session_packet {
25 __u8 type;
26 __u8 flags;
27 __u16 length;
28 union {
29 struct {
30 __u8 called_len;
31 __u8 called_name[32];
32 __u8 scope1; /* null *
33 __u8 calling_len;
34 __u8 calling_name[32];
35 __u8 scope2; /* null *
36 } __attribute__((packed)) sess
37 struct {
38 __u32 retarget_ip_addr
39 __u16 port;
40 } __attribute__((packed)) reta
41 __u8 neg_ses_resp_error_code;
42 /* POSITIVE_SESSION_RESPONSE p
43 SESSION_KEEP_ALIVE packet also
44 Trailer for the SESSION_MESSAG
45 } __attribute__((packed)) trailer;
46 } __attribute__((packed));
47
48 /* Negative Session Response error codes */
49 #define RFC1002_NOT_LISTENING_CALLED 0x80 /*
50 #define RFC1002_NOT_LISTENING_CALLING 0x81 /*
51 #define RFC1002_NOT_PRESENT 0x82 /*
52 #define RFC1002_INSUFFICIENT_RESOURCE 0x83
53 #define RFC1002_UNSPECIFIED_ERROR 0x8F
54
55 /* RFC 1002 Datagram service packets are not d
56 are not needed for the network filesystem clie
57 implementing broadcast resolution of the serve
58 server netbios name). Currently server names a
59 (tcp name) or ip address or an /etc/hosts equi
60
61 #define DEFAULT_CIFS_CALLED_NAME "*SMBSERVER
62
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