From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/fs/cifs/smb2pdu.h | 488 ++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 454 insertions(+), 34 deletions(-)
diff --git a/kernel/fs/cifs/smb2pdu.h b/kernel/fs/cifs/smb2pdu.h
index 8a44d59..56ec9fb 100644
--- a/kernel/fs/cifs/smb2pdu.h
+++ b/kernel/fs/cifs/smb2pdu.h
@@ -25,12 +25,13 @@
#define _SMB2PDU_H
#include <net/sock.h>
+#include <cifsacl.h>
/*
* Note that, due to trying to use names similar to the protocol specifications,
* there are many mixed case field names in the structures below. Although
* this does not match typical Linux kernel style, it is necessary to be
- * be able to match against the protocol specfication.
+ * able to match against the protocol specfication.
*
* SMB2 commands
* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
@@ -85,10 +86,12 @@
#define NUMBER_OF_SMB2_COMMANDS 0x0013
/* 52 transform hdr + 64 hdr + 88 create rsp */
+#define SMB2_TRANSFORM_HEADER_SIZE 52
#define MAX_SMB2_HDR_SIZE 204
#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
+#define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc)
/*
* SMB2 Header Definition
@@ -117,22 +120,75 @@
__u8 Signature[16];
} __packed;
+/* The total header size for SMB2 read and write */
+#define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr))
+
struct smb2_sync_pdu {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize2; /* size of wct area (varies, request specific) */
} __packed;
-#define SMB3_AES128CMM_NONCE 11
-#define SMB3_AES128GCM_NONCE 12
+#define SMB3_AES_CCM_NONCE 11
+#define SMB3_AES_GCM_NONCE 12
+/* Transform flags (for 3.0 dialect this flag indicates CCM */
+#define TRANSFORM_FLAG_ENCRYPTED 0x0001
struct smb2_transform_hdr {
__le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
__u8 Signature[16];
__u8 Nonce[16];
__le32 OriginalMessageSize;
__u16 Reserved1;
- __le16 Flags; /* EncryptionAlgorithm */
+ __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */
__u64 SessionId;
+} __packed;
+
+/* See MS-SMB2 2.2.42 */
+struct smb2_compression_transform_hdr {
+ __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */
+ __le32 OriginalCompressedSegmentSize;
+ __le16 CompressionAlgorithm;
+ __le16 Flags;
+ __le16 Length; /* if chained it is length, else offset */
+} __packed;
+
+/* See MS-SMB2 2.2.42.1 */
+#define SMB2_COMPRESSION_FLAG_NONE 0x0000
+#define SMB2_COMPRESSION_FLAG_CHAINED 0x0001
+
+struct compression_payload_header {
+ __le16 CompressionAlgorithm;
+ __le16 Flags;
+ __le32 Length; /* length of compressed playload including field below if present */
+ /* __le32 OriginalPayloadSize; */ /* optional */
+} __packed;
+
+/* See MS-SMB2 2.2.42.2 */
+struct compression_pattern_payload_v1 {
+ __le16 Pattern;
+ __le16 Reserved1;
+ __le16 Reserved2;
+ __le32 Repetitions;
+} __packed;
+
+/* See MS-SMB2 2.2.43 */
+struct smb2_rdma_transform {
+ __le16 RdmaDescriptorOffset;
+ __le16 RdmaDescriptorLength;
+ __le32 Channel; /* for values see channel description in smb2 read above */
+ __le16 TransformCount;
+ __le16 Reserved1;
+ __le32 Reserved2;
+} __packed;
+
+struct smb2_rdma_encryption_transform {
+ __le16 TransformType;
+ __le16 SignatureLength;
+ __le16 NonceLength;
+ __u16 Reserved;
+ __u8 Signature[]; /* variable length */
+ /* u8 Nonce[] */
+ /* followed by padding */
} __packed;
/*
@@ -142,7 +198,9 @@
#define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002)
#define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004)
#define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008)
+#define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */
#define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000)
+#define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */
/*
* Definitions for SMB2 Protocol Data Units (network frames)
@@ -165,6 +223,8 @@
__u8 ErrorData[1]; /* variable length */
} __packed;
+#define SYMLINK_ERROR_TAG 0x4c4d5953
+
struct smb2_symlink_err_rsp {
__le32 SymLinkLength;
__le32 SymLinkErrorTag;
@@ -176,7 +236,7 @@
__le16 PrintNameOffset;
__le16 PrintNameLength;
__le32 Flags;
- __u8 PathBuffer[0];
+ __u8 PathBuffer[];
} __packed;
/* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
@@ -185,6 +245,10 @@
__le32 ErrorId;
__u8 ErrorContextData; /* ErrorDataLength long array */
} __packed;
+
+/* ErrorId values */
+#define SMB2_ERROR_ID_DEFAULT 0x00000000
+#define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */
/* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
#define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
@@ -204,7 +268,7 @@
__le16 Flags;
__le16 TargetType;
__le32 IPAddrCount;
- struct move_dst_ipaddr IpAddrMoveList[0];
+ struct move_dst_ipaddr IpAddrMoveList[];
/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
} __packed;
@@ -226,6 +290,7 @@
} __packed;
/* Dialects */
+#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
#define SMB20_PROT_ID 0x0202
#define SMB21_PROT_ID 0x0210
#define SMB30_PROT_ID 0x0300
@@ -249,6 +314,17 @@
/* Internal types */
#define SMB2_NT_FIND 0x00100000
#define SMB2_LARGE_FILES 0x00200000
+
+
+/* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
+#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
+#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
+#define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3)
+#define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)
+#define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6)
+#define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7)
+#define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8)
+#define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)
struct smb2_neg_context {
__le16 ContextType;
@@ -284,6 +360,9 @@
/* Encryption Algorithms Ciphers */
#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
+/* we currently do not request AES256_CCM since presumably GCM faster */
+#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003)
+#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004)
/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
#define MIN_ENCRYPT_CTXT_DATA_LEN 4
@@ -291,16 +370,82 @@
__le16 ContextType; /* 2 */
__le16 DataLength;
__le32 Reserved;
- __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */
- __le16 Ciphers[1]; /* Ciphers[0] since only one used now */
+ /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */
+ __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */
+ __le16 Ciphers[3];
} __packed;
-#define POSIX_CTXT_DATA_LEN 8
+/* See MS-SMB2 2.2.3.1.3 */
+#define SMB3_COMPRESS_NONE cpu_to_le16(0x0000)
+#define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)
+#define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002)
+#define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
+/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
+#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */
+
+/* Compression Flags */
+#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000)
+#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001)
+
+struct smb2_compression_capabilities_context {
+ __le16 ContextType; /* 3 */
+ __le16 DataLength;
+ __u32 Reserved;
+ __le16 CompressionAlgorithmCount;
+ __u16 Padding;
+ __u32 Flags;
+ __le16 CompressionAlgorithms[3];
+} __packed;
+
+/*
+ * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
+ * Its struct simply contains NetName, an array of Unicode characters
+ */
+struct smb2_netname_neg_context {
+ __le16 ContextType; /* 5 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le16 NetName[]; /* hostname of target converted to UCS-2 */
+} __packed;
+
+/*
+ * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6
+ * and 2.2.4.1.5
+ */
+
+/* RDMA Transform IDs */
+#define SMB2_RDMA_TRANSFORM_NONE 0x0000
+#define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001
+
+struct smb2_rdma_transform_capabilities_context {
+ __le16 ContextType; /* 7 */
+ __le16 DataLength;
+ __u32 Reserved;
+ __le16 TransformCount;
+ __u16 Reserved1;
+ __u32 Reserved2;
+ __le16 RDMATransformIds[1];
+} __packed;
+
+/* Signing algorithms */
+#define SIGNING_ALG_HMAC_SHA256 0
+#define SIGNING_ALG_AES_CMAC 1
+#define SIGNING_ALG_AES_GMAC 2
+
+struct smb2_signing_capabilities {
+ __le16 ContextType; /* 8 */
+ __le16 DataLength;
+ __u32 Reserved;
+ __le16 SigningAlgorithmCount;
+ __le16 SigningAlgorithms[];
+} __packed;
+
+#define POSIX_CTXT_DATA_LEN 16
struct smb2_posix_neg_context {
__le16 ContextType; /* 0x100 */
__le16 DataLength;
__le32 Reserved;
- __le64 Reserved1; /* In case needed for future (eg version or caps) */
+ __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
} __packed;
struct smb2_negotiate_rsp {
@@ -372,7 +517,7 @@
struct smb2_tree_connect_req {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 9 */
- __le16 Reserved; /* Flags in SMB3.1.1 */
+ __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */
__le16 PathOffset;
__le16 PathLength;
__u8 Buffer[1]; /* variable length */
@@ -387,13 +532,13 @@
__le16 ContextType;
__le16 DataLength;
__le32 Reserved;
- __u8 Data[0];
+ __u8 Data[];
} __packed;
/* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
struct smb3_blob_data {
__le16 BlobSize;
- __u8 BlobData[0];
+ __u8 BlobData[];
} __packed;
/* Valid values for Attr */
@@ -443,14 +588,14 @@
__le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
__le16 UserClaims; /* offset to BLOB_DATA struct */
__le16 DeviceClaims; /* offset to BLOB_DATA struct */
- __u8 TicketInfo[0]; /* variable length buf - remoted identity data */
+ __u8 TicketInfo[]; /* variable length buf - remoted identity data */
} __packed;
struct smb2_tree_connect_req_extension {
__le32 TreeConnectContextOffset;
__le16 TreeConnectContextCount;
__u8 Reserved[10];
- __u8 PathName[0]; /* variable sized array */
+ __u8 PathName[]; /* variable sized array */
/* followed by array of TreeConnectContexts */
} __packed;
@@ -599,7 +744,7 @@
| FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
-/* Impersonation Levels */
+/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */
#define IL_ANONYMOUS cpu_to_le32(0x00000000)
#define IL_IDENTIFICATION cpu_to_le32(0x00000001)
#define IL_IMPERSONATION cpu_to_le32(0x00000002)
@@ -618,9 +763,12 @@
#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"
#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
#define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74
+#define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
#define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83
#define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C
+/* Flag (SMB3 open response) values */
+#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
/*
* Maximum number of iovs we need for an open/create request.
@@ -630,9 +778,10 @@
* [3] : durable context
* [4] : posix context
* [5] : time warp context
- * [6] : compound padding
+ * [6] : query id context
+ * [7] : compound padding
*/
-#define SMB2_CREATE_IOV_SIZE 7
+#define SMB2_CREATE_IOV_SIZE 8
struct smb2_create_req {
struct smb2_sync_hdr sync_hdr;
@@ -651,14 +800,21 @@
__le16 NameLength;
__le32 CreateContextsOffset;
__le32 CreateContextsLength;
- __u8 Buffer[0];
+ __u8 Buffer[];
} __packed;
+
+/*
+ * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
+ * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
+ * 2 bytes of padding.
+ */
+#define MAX_SMB2_CREATE_RESPONSE_SIZE 880
struct smb2_create_rsp {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 89 */
__u8 OplockLevel;
- __u8 Reserved;
+ __u8 Flag; /* 0x01 if reparse point */
__le32 CreateAction;
__le64 CreationTime;
__le64 LastAccessTime;
@@ -682,7 +838,7 @@
__le16 Reserved;
__le16 DataOffset;
__le32 DataLength;
- __u8 Buffer[0];
+ __u8 Buffer[];
} __packed;
#define SMB2_LEASE_READ_CACHING_HE 0x01
@@ -694,7 +850,7 @@
#define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02)
#define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
-#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
+#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002)
#define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
#define SMB2_LEASE_KEY_SIZE 16
@@ -775,6 +931,15 @@
__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
} __packed;
+/* See MS-SMB2 2.2.14.2.9 */
+struct create_on_disk_id {
+ struct create_context ccontext;
+ __u8 Name[8];
+ __le64 DiskFileId;
+ __le64 VolumeId;
+ __u32 Reserved[4];
+} __packed;
+
/* See MS-SMB2 2.2.14.2.12 */
struct durable_reconnect_context_v2_rsp {
__le32 Timeout;
@@ -796,11 +961,24 @@
} __packed;
+/* See MS-SMB2 2.2.13.2.9 */
+struct crt_query_id_ctxt {
+ struct create_context ccontext;
+ __u8 Name[8];
+} __packed;
+
+struct crt_sd_ctxt {
+ struct create_context ccontext;
+ __u8 Name[8];
+ struct smb3_sd sd;
+} __packed;
+
+
#define COPY_CHUNK_RES_KEY_SIZE 24
struct resume_key_req {
char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
__le32 ContextLength; /* MBZ */
- char Context[0]; /* ignored, Windows sets to 4 bytes of zero */
+ char Context[]; /* ignored, Windows sets to 4 bytes of zero */
} __packed;
/* this goes in the ioctl buffer when doing a copychunk request */
@@ -827,6 +1005,31 @@
__le32 TotalBytesWritten;
} __packed;
+/* See MS-FSCC 2.3.29 and 2.3.30 */
+struct get_retrieval_pointer_count_req {
+ __le64 StartingVcn; /* virtual cluster number (signed) */
+} __packed;
+
+struct get_retrieval_pointer_count_rsp {
+ __le32 ExtentCount;
+} __packed;
+
+/*
+ * See MS-FSCC 2.3.33 and 2.3.34
+ * request is the same as get_retrieval_point_count_req struct above
+ */
+struct smb3_extents {
+ __le64 NextVcn;
+ __le64 Lcn; /* logical cluster number */
+} __packed;
+
+struct get_retrieval_pointers_refcount_rsp {
+ __le32 ExtentCount;
+ __u32 Reserved;
+ __le64 StartingVcn;
+ struct smb3_extents extents[];
+} __packed;
+
struct fsctl_set_integrity_information_req {
__le16 ChecksumAlgorithm;
__le16 Reserved;
@@ -841,6 +1044,11 @@
__le32 ClusterSizeInBytes;
} __packed;
+struct file_allocated_range_buffer {
+ __le64 file_offset;
+ __le64 length;
+} __packed;
+
/* Integrity ChecksumAlgorithm choices for above */
#define CHECKSUM_TYPE_NONE 0x0000
#define CHECKSUM_TYPE_CRC64 0x0002
@@ -848,6 +1056,53 @@
/* Integrity flags for above */
#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
+
+/* Reparse structures - see MS-FSCC 2.1.2 */
+
+/* struct fsctl_reparse_info_req is empty, only response structs (see below) */
+
+struct reparse_data_buffer {
+ __le32 ReparseTag;
+ __le16 ReparseDataLength;
+ __u16 Reserved;
+ __u8 DataBuffer[]; /* Variable Length */
+} __packed;
+
+struct reparse_guid_data_buffer {
+ __le32 ReparseTag;
+ __le16 ReparseDataLength;
+ __u16 Reserved;
+ __u8 ReparseGuid[16];
+ __u8 DataBuffer[]; /* Variable Length */
+} __packed;
+
+struct reparse_mount_point_data_buffer {
+ __le32 ReparseTag;
+ __le16 ReparseDataLength;
+ __u16 Reserved;
+ __le16 SubstituteNameOffset;
+ __le16 SubstituteNameLength;
+ __le16 PrintNameOffset;
+ __le16 PrintNameLength;
+ __u8 PathBuffer[]; /* Variable Length */
+} __packed;
+
+#define SYMLINK_FLAG_RELATIVE 0x00000001
+
+struct reparse_symlink_data_buffer {
+ __le32 ReparseTag;
+ __le16 ReparseDataLength;
+ __u16 Reserved;
+ __le16 SubstituteNameOffset;
+ __le16 SubstituteNameLength;
+ __le16 PrintNameOffset;
+ __le16 PrintNameLength;
+ __le32 Flags;
+ __u8 PathBuffer[]; /* Variable Length */
+} __packed;
+
+/* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
+
/* See MS-DFSC 2.2.2 */
struct fsctl_get_dfs_referral_req {
@@ -870,7 +1125,7 @@
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
__le16 SecurityMode;
__le16 DialectCount;
- __le16 Dialects[3]; /* BB expand this if autonegotiate > 3 dialects */
+ __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
} __packed;
struct validate_negotiate_info_rsp {
@@ -923,6 +1178,13 @@
__le64 ByteCount; /* Bytes to be copied */
} __packed;
+/*
+ * Maximum number of iovs we need for an ioctl request.
+ * [0] : struct smb2_ioctl_req
+ * [1] : in_data
+ */
+#define SMB2_IOCTL_IOV_SIZE 2
+
struct smb2_ioctl_req {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 57 */
@@ -938,7 +1200,7 @@
__le32 MaxOutputResponse;
__le32 Flags;
__u32 Reserved2;
- __u8 Buffer[0];
+ __u8 Buffer[];
} __packed;
struct smb2_ioctl_rsp {
@@ -967,6 +1229,11 @@
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
} __packed;
+
+/*
+ * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
+ */
+#define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
struct smb2_close_rsp {
struct smb2_sync_hdr sync_hdr;
@@ -999,11 +1266,13 @@
/* For read request Flags field below, following flag is defined for SMB3.02 */
#define SMB2_READFLAG_READ_UNBUFFERED 0x01
+#define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
/* Channel field for read and write: exactly one of following flags can be set*/
#define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)
#define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */
#define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
+#define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */
/* SMB2 read request without RFC1001 length at the beginning */
struct smb2_read_plain_req {
@@ -1023,6 +1292,10 @@
__u8 Buffer[1];
} __packed;
+/* Read flags */
+#define SMB2_READFLAG_RESPONSE_NONE 0x00000000
+#define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001
+
struct smb2_read_rsp {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 17 */
@@ -1030,7 +1303,7 @@
__u8 Reserved;
__le32 DataLength;
__le32 DataRemaining;
- __u32 Reserved2;
+ __u32 Flags;
__u8 Buffer[1];
} __packed;
@@ -1046,7 +1319,7 @@
__le64 Offset;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
- __le32 Channel; /* Reserved MBZ */
+ __le32 Channel; /* MBZ unless SMB3.02 or later */
__le32 RemainingBytes;
__le16 WriteChannelInfoOffset;
__le16 WriteChannelInfoLength;
@@ -1063,6 +1336,42 @@
__le32 DataRemaining;
__u32 Reserved2;
__u8 Buffer[1];
+} __packed;
+
+/* notify flags */
+#define SMB2_WATCH_TREE 0x0001
+
+/* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
+#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
+#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
+#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
+#define FILE_NOTIFY_CHANGE_SIZE 0x00000008
+#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
+#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
+#define FILE_NOTIFY_CHANGE_CREATION 0x00000040
+#define FILE_NOTIFY_CHANGE_EA 0x00000080
+#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
+#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
+#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
+#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
+
+struct smb2_change_notify_req {
+ struct smb2_sync_hdr sync_hdr;
+ __le16 StructureSize;
+ __le16 Flags;
+ __le32 OutputBufferLength;
+ __u64 PersistentFileId; /* opaque endianness */
+ __u64 VolatileFileId; /* opaque endianness */
+ __le32 CompletionFilter;
+ __u32 Reserved;
+} __packed;
+
+struct smb2_change_notify_rsp {
+ struct smb2_sync_hdr sync_hdr;
+ __le16 StructureSize; /* Must be 9 */
+ __le16 OutputBufferOffset;
+ __le32 OutputBufferLength;
+ __u8 Buffer[1]; /* array of file notify structs */
} __packed;
#define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
@@ -1111,6 +1420,8 @@
#define SMB2_RETURN_SINGLE_ENTRY 0x02
#define SMB2_INDEX_SPECIFIED 0x04
#define SMB2_REOPEN 0x10
+
+#define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
struct smb2_query_directory_req {
struct smb2_sync_hdr sync_hdr;
@@ -1182,6 +1493,15 @@
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
+
+/*
+ * Maximum number of iovs we need for a set-info request.
+ * The largest one is rename/hardlink
+ * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
+ * [1] : path
+ * [2] : compound padding
+ */
+#define SMB2_SET_INFO_IOV_SIZE 3
struct smb2_set_info_req {
struct smb2_sync_hdr sync_hdr;
@@ -1288,7 +1608,7 @@
__le32 VolumeLabelLength; /* includes trailing null */
__u8 SupportsObjects; /* True if eg like NTFS, supports objects */
__u8 Reserved;
- __u8 VolumeLabel[0]; /* variable len */
+ __u8 VolumeLabel[]; /* variable len */
} __packed;
/* partial list of QUERY INFO levels */
@@ -1338,6 +1658,7 @@
#define FILE_NORMALIZED_NAME_INFORMATION 48
#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
#define FILE_STANDARD_LINK_INFORMATION 54
+#define FILE_ID_INFORMATION 59
struct smb2_file_internal_info {
__le64 IndexNumber;
@@ -1349,7 +1670,8 @@
__u8 Reserved[7];
__u64 RootDirectory; /* MBZ for network operations (why says spec?) */
__le32 FileNameLength;
- char FileName[0]; /* New name to be assigned */
+ char FileName[]; /* New name to be assigned */
+ /* padding - overall struct size must be >= 24 so filename + pad >= 6 */
} __packed; /* level 10 Set */
struct smb2_file_link_info { /* encoding of request for level 11 */
@@ -1358,18 +1680,15 @@
__u8 Reserved[7];
__u64 RootDirectory; /* MBZ for network operations (why says spec?) */
__le32 FileNameLength;
- char FileName[0]; /* Name to be assigned to new link */
+ char FileName[]; /* Name to be assigned to new link */
} __packed; /* level 11 Set */
-
-#define SMB2_MIN_EA_BUF 2048
-#define SMB2_MAX_EA_BUF 65536
struct smb2_file_full_ea_info { /* encoding of response for level 15 */
__le32 next_entry_offset;
__u8 flags;
__u8 ea_name_length;
__le16 ea_value_length;
- char ea_data[0]; /* \0 terminated name plus value */
+ char ea_data[]; /* \0 terminated name plus value */
} __packed; /* level 15 Set */
/*
@@ -1404,6 +1723,107 @@
__le64 EndOfFile; /* new end of file value */
} __packed; /* level 20 Set */
+struct smb2_file_reparse_point_info {
+ __le64 IndexNumber;
+ __le32 Tag;
+} __packed;
+
+struct smb2_file_network_open_info {
+ __le64 CreationTime;
+ __le64 LastAccessTime;
+ __le64 LastWriteTime;
+ __le64 ChangeTime;
+ __le64 AllocationSize;
+ __le64 EndOfFile;
+ __le32 Attributes;
+ __le32 Reserved;
+} __packed; /* level 34 Query also similar returned in close rsp and open rsp */
+
+/* See MS-FSCC 2.4.43 */
+struct smb2_file_id_information {
+ __le64 VolumeSerialNumber;
+ __u64 PersistentFileId; /* opaque endianness */
+ __u64 VolatileFileId; /* opaque endianness */
+} __packed; /* level 59 */
+
extern char smb2_padding[7];
+/* equivalent of the contents of SMB3.1.1 POSIX open context response */
+struct create_posix_rsp {
+ u32 nlink;
+ u32 reparse_tag;
+ u32 mode;
+ struct cifs_sid owner; /* var-sized on the wire */
+ struct cifs_sid group; /* var-sized on the wire */
+} __packed;
+
+/*
+ * SMB2-only POSIX info level for query dir
+ *
+ * See posix_info_sid_size(), posix_info_extra_size() and
+ * posix_info_parse() to help with the handling of this struct.
+ */
+struct smb2_posix_info {
+ __le32 NextEntryOffset;
+ __u32 Ignored;
+ __le64 CreationTime;
+ __le64 LastAccessTime;
+ __le64 LastWriteTime;
+ __le64 ChangeTime;
+ __le64 EndOfFile;
+ __le64 AllocationSize;
+ __le32 DosAttributes;
+ __le64 Inode;
+ __le32 DeviceId;
+ __le32 Zero;
+ /* beginning of POSIX Create Context Response */
+ __le32 HardLinks;
+ __le32 ReparseTag;
+ __le32 Mode;
+ /*
+ * var sized owner SID
+ * var sized group SID
+ * le32 filenamelength
+ * u8 filename[]
+ */
+} __packed;
+
+/* Level 100 query info */
+struct smb311_posix_qinfo {
+ __le64 CreationTime;
+ __le64 LastAccessTime;
+ __le64 LastWriteTime;
+ __le64 ChangeTime;
+ __le64 EndOfFile;
+ __le64 AllocationSize;
+ __le32 DosAttributes;
+ __le64 Inode;
+ __le32 DeviceId;
+ __le32 Zero;
+ /* beginning of POSIX Create Context Response */
+ __le32 HardLinks;
+ __le32 ReparseTag;
+ __le32 Mode;
+ u8 Sids[];
+ /*
+ * var sized owner SID
+ * var sized group SID
+ * le32 filenamelength
+ * u8 filename[]
+ */
+} __packed;
+
+/*
+ * Parsed version of the above struct. Allows direct access to the
+ * variable length fields
+ */
+struct smb2_posix_info_parsed {
+ const struct smb2_posix_info *base;
+ size_t size;
+ struct cifs_sid owner;
+ struct cifs_sid group;
+ int name_len;
+ const u8 *name;
+};
+
#endif /* _SMB2PDU_H */
--
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