From 7311ef68522fc26c8df33ec215a13514627dd48d Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 13 Jun 2013 10:51:10 -0500 Subject: [PATCH] [CIFS] Add some missing SMB3 and SMB3.02 flags A few missing flags from SMB3.0 dialect, one missing from 2.1, and the new #define flags for SMB3.02 Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/smb2pdu.h | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 3da33da8123c..e27ad39f2bde 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -287,7 +287,11 @@ struct smb2_tree_connect_rsp { #define SHI1005_FLAGS_ENABLE_HASH 0x00002000 /* Possible share capabilities */ -#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) +#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ +#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */ +#define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */ +#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */ +#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */ struct smb2_tree_disconnect_req { struct smb2_hdr hdr; @@ -518,17 +522,25 @@ struct smb2_flush_rsp { __le16 Reserved; } __packed; +/* For read request Flags field below, following flag is defined for SMB3.02 */ +#define SMB2_READFLAG_READ_UNBUFFERED 0x01 + +/* Channel field for read and write: exactly one of following flags can be set*/ +#define SMB2_CHANNEL_NONE 0x00000000 +#define SMB2_CHANNEL_RDMA_V1 0x00000001 /* SMB3 or later */ +#define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */ + struct smb2_read_req { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 49 */ __u8 Padding; /* offset from start of SMB2 header to place read */ - __u8 Reserved; + __u8 Flags; /* MBZ unless SMB3.02 or later */ __le32 Length; __le64 Offset; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ __le32 MinimumCount; - __le32 Channel; /* Reserved MBZ */ + __le32 Channel; /* MBZ except for SMB3 or later */ __le32 RemainingBytes; __le16 ReadChannelInfoOffset; /* Reserved MBZ */ __le16 ReadChannelInfoLength; /* Reserved MBZ */ @@ -546,8 +558,9 @@ struct smb2_read_rsp { __u8 Buffer[1]; } __packed; -/* For write request Flags field below the following flag is defined: */ -#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 +/* For write request Flags field below the following flags are defined: */ +#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */ +#define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */ struct smb2_write_req { struct smb2_hdr hdr; -- 2.39.5