diff options
Diffstat (limited to 'fs/cifs/smb2pdu.h')
| -rw-r--r-- | fs/cifs/smb2pdu.h | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index a5a9e33c0d73..6442dc1c292b 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -144,7 +144,7 @@ struct smb2_transform_hdr { } __packed; /* See MS-SMB2 2.2.42 */ -struct smb2_compression_transform_hdr { +struct smb2_compression_transform_hdr_unchained { __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ __le32 OriginalCompressedSegmentSize; __le16 CompressionAlgorithm; @@ -160,10 +160,17 @@ struct compression_payload_header { __le16 CompressionAlgorithm; __le16 Flags; __le32 Length; /* length of compressed playload including field below if present */ - /* __le32 OriginalPayloadSize; */ /* optional */ + /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */ } __packed; /* See MS-SMB2 2.2.42.2 */ +struct smb2_compression_transform_hdr_chained { + __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */ + __le32 OriginalCompressedSegmentSize; + /* struct compression_payload_header[] */ +} __packed; + +/* See MS-SMB2 2.2.42.2.2 */ struct compression_pattern_payload_v1 { __le16 Pattern; __le16 Reserved1; @@ -181,7 +188,11 @@ struct smb2_rdma_transform { __le32 Reserved2; } __packed; -struct smb2_rdma_encryption_transform { +/* TransformType */ +#define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001 +#define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002 + +struct smb2_rdma_crypto_transform { __le16 TransformType; __le16 SignatureLength; __le16 NonceLength; @@ -409,13 +420,29 @@ struct smb2_netname_neg_context { } __packed; /* - * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 + * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5 * and 2.2.4.1.5 */ +/* Flags */ +#define SMB2_ACCEPT_TRANSFORM_LEVEL_SECURITY 0x00000001 + +struct smb2_transport_capabilities_context { + __le16 ContextType; /* 6 */ + __le16 DataLength; + __u32 Reserved; + __le32 Flags; +} __packed; + +/* + * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6 + * and 2.2.4.1.6 + */ + /* RDMA Transform IDs */ #define SMB2_RDMA_TRANSFORM_NONE 0x0000 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001 +#define SMB2_RDMA_TRANSFORM_SIGNING 0x0002 struct smb2_rdma_transform_capabilities_context { __le16 ContextType; /* 7 */ @@ -427,6 +454,11 @@ struct smb2_rdma_transform_capabilities_context { __le16 RDMATransformIds[]; } __packed; +/* + * For signing capabilities context see MS-SMB2 2.2.3.1.7 + * and 2.2.4.1.7 + */ + /* Signing algorithms */ #define SIGNING_ALG_HMAC_SHA256 0 #define SIGNING_ALG_AES_CMAC 1 @@ -634,7 +666,8 @@ struct smb2_tree_connect_rsp { #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */ -#define SHI1005_FLAGS_ALL 0x0004FF33 +#define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */ +#define SHI1005_FLAGS_ALL 0x0014FF33 /* Possible share capabilities */ #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */ @@ -1390,7 +1423,11 @@ struct smb2_lock_req { struct smb2_sync_hdr sync_hdr; __le16 StructureSize; /* Must be 48 */ __le16 LockCount; - __le32 Reserved; + /* + * The least significant four bits are the index, the other 28 bits are + * the lock sequence number (0 to 64). See MS-SMB2 2.2.26 + */ + __le32 LockSequenceNumber; __u64 PersistentFileId; /* opaque endianness */ __u64 VolatileFileId; /* opaque endianness */ /* Followed by at least one */ |