smb3: fix ksmbd bigendian bug in oplock break, and move its struct to smbfs_common

Fix an endian bug in ksmbd for one remaining use of
Persistent/VolatileFid that unnecessarily converted it (it is an
opaque endian field that does not need to be and should not
be converted) in oplock_break for ksmbd, and move the definitions
for the oplock and lease break protocol requests and responses
to fs/smbfs_common/smb2pdu.h

Also move a few more definitions for various protocol requests
that were duplicated (in fs/cifs/smb2pdu.h and fs/ksmbd/smb2pdu.h)
into fs/smbfs_common/smb2pdu.h including:

- various ioctls and reparse structures
- validate negotiate request and response structs
- duplicate extents structs

Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

3 files changed, 6 insertions, 79 deletions

diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c
index 077b8761d099..23871b18a429 100644
--- a/fs/ksmbd/oplock.c
+++ b/fs/ksmbd/oplock.c
@@ -656,8 +656,8 @@ static void __smb2_oplock_break_noti(struct work_struct *wk)
 		rsp->OplockLevel = SMB2_OPLOCK_LEVEL_NONE;
 	rsp->Reserved = 0;
 	rsp->Reserved2 = 0;
-	rsp->PersistentFid = cpu_to_le64(fp->persistent_id);
-	rsp->VolatileFid = cpu_to_le64(fp->volatile_id);
+	rsp->PersistentFid = fp->persistent_id;
+	rsp->VolatileFid = fp->volatile_id;
 
 	inc_rfc1001_len(work->response_buf, 24);
 
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index e7eb835648f8..190b272fb4f7 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -7887,8 +7887,8 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work)
 	char req_oplevel = 0, rsp_oplevel = 0;
 	unsigned int oplock_change_type;
 
-	volatile_id = le64_to_cpu(req->VolatileFid);
-	persistent_id = le64_to_cpu(req->PersistentFid);
+	volatile_id = req->VolatileFid;
+	persistent_id = req->PersistentFid;
 	req_oplevel = req->OplockLevel;
 	ksmbd_debug(OPLOCK, "v_id %llu, p_id %llu request oplock level %d\n",
 		    volatile_id, persistent_id, req_oplevel);
@@ -7983,8 +7983,8 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work)
 	rsp->OplockLevel = rsp_oplevel;
 	rsp->Reserved = 0;
 	rsp->Reserved2 = 0;
-	rsp->VolatileFid = cpu_to_le64(volatile_id);
-	rsp->PersistentFid = cpu_to_le64(persistent_id);
+	rsp->VolatileFid = volatile_id;
+	rsp->PersistentFid = persistent_id;
 	inc_rfc1001_len(work->response_buf, 24);
 	return;
 
diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h
index 4db2896b977b..b454308f34bb 100644
--- a/fs/ksmbd/smb2pdu.h
+++ b/fs/ksmbd/smb2pdu.h
@@ -169,29 +169,6 @@ struct smb2_buffer_desc_v1 {
 
 #define SMB2_0_IOCTL_IS_FSCTL 0x00000001
 
-struct duplicate_extents_to_file {
-	__u64 PersistentFileHandle; /* source file handle, opaque endianness */
-	__u64 VolatileFileHandle;
-	__le64 SourceFileOffset;
-	__le64 TargetFileOffset;
-	__le64 ByteCount;  /* Bytes to be copied */
-} __packed;
-
-struct validate_negotiate_info_req {
-	__le32 Capabilities;
-	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
-	__le16 SecurityMode;
-	__le16 DialectCount;
-	__le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
-} __packed;
-
-struct validate_negotiate_info_rsp {
-	__le32 Capabilities;
-	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
-	__le16 SecurityMode;
-	__le16 Dialect; /* Dialect in use for the connection */
-} __packed;
-
 struct smb_sockaddr_in {
 	__be16 Port;
 	__be32 IPv4address;
@@ -265,18 +242,6 @@ struct file_sparse {
 	__u8	SetSparse;
 } __packed;
 
-struct file_zero_data_information {
-	__le64	FileOffset;
-	__le64	BeyondFinalZero;
-} __packed;
-
-struct reparse_data_buffer {
-	__le32	ReparseTag;
-	__le16	ReparseDataLength;
-	__u16	Reserved;
-	__u8	DataBuffer[]; /* Variable Length */
-} __packed;
-
 /* FILE Info response size */
 #define FILE_DIRECTORY_INFORMATION_SIZE       1
 #define FILE_FULL_DIRECTORY_INFORMATION_SIZE  2
@@ -332,49 +297,11 @@ struct fs_type_info {
 	long		magic_number;
 } __packed;
 
-struct smb2_oplock_break {
-	struct smb2_hdr hdr;
-	__le16 StructureSize; /* Must be 24 */
-	__u8   OplockLevel;
-	__u8   Reserved;
-	__le32 Reserved2;
-	__le64  PersistentFid;
-	__le64  VolatileFid;
-} __packed;
-
-#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
-
-struct smb2_lease_break {
-	struct smb2_hdr hdr;
-	__le16 StructureSize; /* Must be 44 */
-	__le16 Epoch;
-	__le32 Flags;
-	__u8   LeaseKey[16];
-	__le32 CurrentLeaseState;
-	__le32 NewLeaseState;
-	__le32 BreakReason;
-	__le32 AccessMaskHint;
-	__le32 ShareMaskHint;
-} __packed;
-
-struct smb2_lease_ack {
-	struct smb2_hdr hdr;
-	__le16 StructureSize; /* Must be 36 */
-	__le16 Reserved;
-	__le32 Flags;
-	__u8   LeaseKey[16];
-	__le32 LeaseState;
-	__le64 LeaseDuration;
-} __packed;
-
 /*
  *	PDU query infolevel structure definitions
  *	BB consider moving to a different header
  */
 
-#define OP_BREAK_STRUCT_SIZE_20		24
-#define OP_BREAK_STRUCT_SIZE_21		36
-
 struct smb2_file_access_info {
 	__le32 AccessFlags;
 } __packed;