diff options
| author | Steve French <stfrench@microsoft.com> | 2023-05-22 04:46:30 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-05-25 00:29:21 +0300 |
| commit | 38c8a9a52082579090e34c033d439ed2cd1a462d (patch) | |
| tree | ca6c3bf5b2b912f32735c1aa0a045cd21a47a205 /fs/smb/client/rfc1002pdu.h | |
| parent | cb8b02fd6343228966324528adf920bfb8b8e681 (diff) | |
| download | linux-38c8a9a52082579090e34c033d439ed2cd1a462d.tar.xz | |
smb: move client and server files to common directory fs/smb
Move CIFS/SMB3 related client and server files (cifs.ko and ksmbd.ko
and helper modules) to new fs/smb subdirectory:
fs/cifs --> fs/smb/client
fs/ksmbd --> fs/smb/server
fs/smbfs_common --> fs/smb/common
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/client/rfc1002pdu.h')
| -rw-r--r-- | fs/smb/client/rfc1002pdu.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/fs/smb/client/rfc1002pdu.h b/fs/smb/client/rfc1002pdu.h new file mode 100644 index 000000000000..ae1d025da294 --- /dev/null +++ b/fs/smb/client/rfc1002pdu.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: LGPL-2.1 */ +/* + * + * Protocol Data Unit definitions for RFC 1001/1002 support + * + * Copyright (c) International Business Machines Corp., 2004 + * Author(s): Steve French (sfrench@us.ibm.com) + * + */ + +/* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */ + + /* RFC 1002 session packet types */ +#define RFC1002_SESSION_MESSAGE 0x00 +#define RFC1002_SESSION_REQUEST 0x81 +#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82 +#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83 +#define RFC1002_RETARGET_SESSION_RESPONSE 0x84 +#define RFC1002_SESSION_KEEP_ALIVE 0x85 + + /* RFC 1002 flags (only one defined */ +#define RFC1002_LENGTH_EXTEND 0x80 /* high order bit of length (ie +64K) */ + +struct rfc1002_session_packet { + __u8 type; + __u8 flags; + __u16 length; + union { + struct { + __u8 called_len; + __u8 called_name[32]; + __u8 scope1; /* null */ + __u8 calling_len; + __u8 calling_name[32]; + __u8 scope2; /* null */ + } __attribute__((packed)) session_req; + struct { + __u32 retarget_ip_addr; + __u16 port; + } __attribute__((packed)) retarget_resp; + __u8 neg_ses_resp_error_code; + /* POSITIVE_SESSION_RESPONSE packet does not include trailer. + SESSION_KEEP_ALIVE packet also does not include a trailer. + Trailer for the SESSION_MESSAGE packet is SMB/CIFS header */ + } __attribute__((packed)) trailer; +} __attribute__((packed)); + +/* Negative Session Response error codes */ +#define RFC1002_NOT_LISTENING_CALLED 0x80 /* not listening on called name */ +#define RFC1002_NOT_LISTENING_CALLING 0x81 /* not listening on calling name */ +#define RFC1002_NOT_PRESENT 0x82 /* called name not present */ +#define RFC1002_INSUFFICIENT_RESOURCE 0x83 +#define RFC1002_UNSPECIFIED_ERROR 0x8F + +/* RFC 1002 Datagram service packets are not defined here as they +are not needed for the network filesystem client unless we plan on +implementing broadcast resolution of the server ip address (from +server netbios name). Currently server names are resolved only via DNS +(tcp name) or ip address or an /etc/hosts equivalent mapping to ip address.*/ + +#define DEFAULT_CIFS_CALLED_NAME "*SMBSERVER " |