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| author | Pavel Shilovsky <piastry@etersoft.ru> | 2011-12-27 16:12:43 +0400 |
|---|---|---|
| committer | Pavel Shilovsky <pshilovsky@samba.org> | 2012-07-24 21:54:55 +0400 |
| commit | ec2e4523fdba88317e06d0c7a88af3a0860447fc (patch) | |
| tree | 474781811d075dfb2e01345911fd0ff585f2d64a /fs/cifs/smb2pdu.h | |
| parent | 3792c1732878822ebf5a1c7e83e23453b9bbb698 (diff) | |
| download | linux-ec2e4523fdba88317e06d0c7a88af3a0860447fc.tar.gz linux-ec2e4523fdba88317e06d0c7a88af3a0860447fc.tar.bz2 linux-ec2e4523fdba88317e06d0c7a88af3a0860447fc.zip | |
CIFS: Add capability to send SMB2 negotiate message
and add negotiate request type to let set_credits know that
we are only on negotiate stage and no need to make a decision
about disabling echos and oplocks.
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb2pdu.h')
| -rw-r--r-- | fs/cifs/smb2pdu.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index b08a277df896..ef8dae213f60 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -148,4 +148,43 @@ struct smb2_err_rsp { __u8 ErrorData[1]; /* variable length */ } __packed; +struct smb2_negotiate_req { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 36 */ + __le16 DialectCount; + __le16 SecurityMode; + __le16 Reserved; /* MBZ */ + __le32 Capabilities; + __u8 ClientGUID[16]; /* MBZ */ + __le64 ClientStartTime; /* MBZ */ + __le16 Dialects[2]; /* variable length */ +} __packed; + +/* SecurityMode flags */ +#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001 +#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002 +/* Capabilities flags */ +#define SMB2_GLOBAL_CAP_DFS 0x00000001 +#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */ +#define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */ + +struct smb2_negotiate_rsp { + struct smb2_hdr hdr; + __le16 StructureSize; /* Must be 65 */ + __le16 SecurityMode; + __le16 DialectRevision; + __le16 Reserved; /* MBZ */ + __u8 ServerGUID[16]; + __le32 Capabilities; + __le32 MaxTransactSize; + __le32 MaxReadSize; + __le32 MaxWriteSize; + __le64 SystemTime; /* MBZ */ + __le64 ServerStartTime; + __le16 SecurityBufferOffset; + __le16 SecurityBufferLength; + __le32 Reserved2; /* may be any value, ignore */ + __u8 Buffer[1]; /* variable length GSS security buffer */ +} __packed; + #endif /* _SMB2PDU_H */ |