diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index a2172f3f69e318915f092885da0b4d49755d33f1..e7b478b4998532231278ca1c07be4481c1951576 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -192,6 +192,15 @@ config CIFS_SMB2
options are also slightly simpler (compared to CIFS) due
to protocol improvements.
+config CIFS_SMB311
+ bool "SMB3.1.1 network file system support (Experimental)"
+ depends on CIFS_SMB2 && INET
+
+ help
+ This enables experimental support for the newest, SMB3.1.1, dialect.
+ This dialect includes improved security negotiation features.
+ If unsure, say N
+
config CIFS_FSCACHE
bool "Provide CIFS client caching support"
depends on CIFS=m && FSCACHE || CIFS=y && FSCACHE=y
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 22b289a3b1c4d3e12727cc0a005456fa9b295a00..b406a32deb1f6bf2f9e8d416bc019a71f589d8db 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -171,6 +171,10 @@ enum smb_version {
Smb_21,
Smb_30,
Smb_302,
+#ifdef CONFIG_CIFS_SMB311
+ Smb_311,
+#endif /* SMB311 */
+ Smb_version_err
};
struct mid_q_entry;
@@ -368,6 +372,8 @@ struct smb_version_operations {
void (*new_lease_key)(struct cifs_fid *);
int (*generate_signingkey)(struct cifs_ses *);
int (*calc_signature)(struct smb_rqst *, struct TCP_Server_Info *);
+ int (*set_integrity)(const unsigned int, struct cifs_tcon *tcon,
+ struct cifsFileInfo *src_file);
int (*query_mf_symlink)(unsigned int, struct cifs_tcon *,
struct cifs_sb_info *, const unsigned char *,
char *, unsigned int *);
@@ -386,6 +392,9 @@ struct smb_version_operations {
int (*clone_range)(const unsigned int, struct cifsFileInfo *src_file,
struct cifsFileInfo *target_file, u64 src_off, u64 len,
u64 dest_off);
+ int (*duplicate_extents)(const unsigned int, struct cifsFileInfo *src,
+ struct cifsFileInfo *target_file, u64 src_off, u64 len,
+ u64 dest_off);
int (*validate_negotiate)(const unsigned int, struct cifs_tcon *);
ssize_t (*query_all_EAs)(const unsigned int, struct cifs_tcon *,
const unsigned char *, const unsigned char *, char *,
@@ -1617,4 +1626,8 @@ extern struct smb_version_values smb30_values;
#define SMB302_VERSION_STRING "3.02"
/*extern struct smb_version_operations smb302_operations;*/ /* not needed yet */
extern struct smb_version_values smb302_values;
+#define SMB311_VERSION_STRING "3.1.1"
+#define ALT_SMB311_VERSION_STRING "3.11"
+extern struct smb_version_operations smb311_operations;
+extern struct smb_version_values smb311_values;
#endif /* _CIFS_GLOB_H */
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 5f9822ac0245dcd637838b3fda843b3cc4d09901..47b030da0781e988c7bcafefd462a5e8b45ff14c 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -2255,6 +2255,8 @@ typedef struct {
/* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */
+#define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */
+#define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */
#define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000
#define FILE_SUPPORTS_USN_JOURNAL 0x02000000
#define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000
@@ -2310,6 +2312,16 @@ typedef struct { /* data block encoding of response to level 263 QPathInfo */
char FileName[1];
} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */
+typedef struct {
+ __le64 AllocationSize;
+ __le64 EndOfFile; /* size ie offset to first free byte in file */
+ __le32 NumberOfLinks; /* hard links */
+ __u8 DeletePending;
+ __u8 Directory;
+ __u16 Pad;
+} __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */
+
+
/* defines for enumerating possible values of the Unix type field below */
#define UNIX_FILE 0
#define UNIX_DIR 1
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index f26ffbfc64d8b4eca26b8e8101f705043fc7a4a0..672ef35c9f73c59d1f4b566bec2f16b4c74e4a8f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -625,9 +625,8 @@ CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses)
server->negflavor = CIFS_NEGFLAVOR_UNENCAP;
memcpy(ses->server->cryptkey, pSMBr->u.EncryptionKey,
CIFS_CRYPTO_KEY_SIZE);
- } else if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC ||
- server->capabilities & CAP_EXTENDED_SECURITY) &&
- (pSMBr->EncryptionKeyLength == 0)) {
+ } else if (pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC ||
+ server->capabilities & CAP_EXTENDED_SECURITY) {
server->negflavor = CIFS_NEGFLAVOR_EXTENDED;
rc = decode_ext_sec_blob(ses, pSMBr);
} else if (server->sec_mode & SECMODE_PW_ENCRYPT) {
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 8383d5ea42028dac6788e642b6c3ed0f61459d51..773f4dc776305284f4df53e4d4e44741a74b467f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -280,6 +280,11 @@ static const match_table_t cifs_smb_version_tokens = {
{ Smb_21, SMB21_VERSION_STRING },
{ Smb_30, SMB30_VERSION_STRING },
{ Smb_302, SMB302_VERSION_STRING },
+#ifdef CONFIG_CIFS_SMB311
+ { Smb_311, SMB311_VERSION_STRING },
+ { Smb_311, ALT_SMB311_VERSION_STRING },
+#endif /* SMB311 */
+ { Smb_version_err, NULL }
};
static int ip_connect(struct TCP_Server_Info *server);
@@ -1133,6 +1138,12 @@ cifs_parse_smb_version(char *value, struct smb_vol *vol)
vol->ops = &smb30_operations; /* currently identical with 3.0 */
vol->vals = &smb302_values;
break;
+#ifdef CONFIG_CIFS_SMB311
+ case Smb_311:
+ vol->ops = &smb311_operations;
+ vol->vals = &smb311_values;
+ break;
+#endif /* SMB311 */
#endif
default:
cifs_dbg(VFS, "Unknown vers= option specified: %s\n", value);
@@ -3461,6 +3472,8 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
else if (ses)
cifs_put_smb_ses(ses);
+ cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_POSIX_PATHS;
+
free_xid(xid);
}
#endif
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 8b7898b7670f88c3ea9ec596129ef569eed183bd..49b8b6e41a188b3a832c3e32c482ed7a99091aa1 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -31,12 +31,15 @@
#include "cifsproto.h"
#include "cifs_debug.h"
#include "cifsfs.h"
+#include <linux/btrfs.h>
#define CIFS_IOCTL_MAGIC 0xCF
#define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
+#define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4)
static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
- unsigned long srcfd, u64 off, u64 len, u64 destoff)
+ unsigned long srcfd, u64 off, u64 len, u64 destoff,
+ bool dup_extents)
{
int rc;
struct cifsFileInfo *smb_file_target = dst_file->private_data;
@@ -109,9 +112,14 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
truncate_inode_pages_range(&target_inode->i_data, destoff,
PAGE_CACHE_ALIGN(destoff + len)-1);
- if (target_tcon->ses->server->ops->clone_range)
+ if (dup_extents && target_tcon->ses->server->ops->duplicate_extents)
+ rc = target_tcon->ses->server->ops->duplicate_extents(xid,
+ smb_file_src, smb_file_target, off, len, destoff);
+ else if (!dup_extents && target_tcon->ses->server->ops->clone_range)
rc = target_tcon->ses->server->ops->clone_range(xid,
smb_file_src, smb_file_target, off, len, destoff);
+ else
+ rc = -EOPNOTSUPP;
/* force revalidate of size and timestamps of target file now
that target is updated on the server */
@@ -205,7 +213,20 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
}
break;
case CIFS_IOC_COPYCHUNK_FILE:
- rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0);
+ rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0, false);
+ break;
+ case BTRFS_IOC_CLONE:
+ rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0, true);
+ break;
+ case CIFS_IOC_SET_INTEGRITY:
+ if (pSMBFile == NULL)
+ break;
+ tcon = tlink_tcon(pSMBFile->tlink);
+ if (tcon->ses->server->ops->set_integrity)
+ rc = tcon->ses->server->ops->set_integrity(xid,
+ tcon, pSMBFile);
+ else
+ rc = -EOPNOTSUPP;
break;
default:
cifs_dbg(FYI, "unsupported ioctl\n");
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 54daee5ad4c102b71b3617317a58d15375f4e755..df91bcf56d67a35f0dd60d0361514f65cdc6705e 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -806,6 +806,53 @@ smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
cfile->fid.volatile_fid, cfile->pid, &eof, false);
}
+#ifdef CONFIG_CIFS_SMB311
+static int
+smb2_duplicate_extents(const unsigned int xid,
+ struct cifsFileInfo *srcfile,
+ struct cifsFileInfo *trgtfile, u64 src_off,
+ u64 len, u64 dest_off)
+{
+ int rc;
+ unsigned int ret_data_len;
+ char *retbuf = NULL;
+ struct duplicate_extents_to_file dup_ext_buf;
+ struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink);
+
+ /* server fileays advertise duplicate extent support with this flag */
+ if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) &
+ FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0)
+ return -EOPNOTSUPP;
+
+ dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid;
+ dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid;
+ dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off);
+ dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off);
+ dup_ext_buf.ByteCount = cpu_to_le64(len);
+ cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld",
+ src_off, dest_off, len);
+
+ rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false);
+ if (rc)
+ goto duplicate_extents_out;
+
+ rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
+ trgtfile->fid.volatile_fid,
+ FSCTL_DUPLICATE_EXTENTS_TO_FILE,
+ true /* is_fsctl */, (char *)&dup_ext_buf,
+ sizeof(struct duplicate_extents_to_file),
+ (char **)&retbuf,
+ &ret_data_len);
+
+ if (ret_data_len > 0)
+ cifs_dbg(FYI, "non-zero response length in duplicate extents");
+
+duplicate_extents_out:
+ return rc;
+}
+#endif /* CONFIG_CIFS_SMB311 */
+
+
static int
smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *cfile)
@@ -814,6 +861,28 @@ smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
cfile->fid.volatile_fid);
}
+static int
+smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifsFileInfo *cfile)
+{
+ struct fsctl_set_integrity_information_req integr_info;
+ char *retbuf = NULL;
+ unsigned int ret_data_len;
+
+ integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED);
+ integr_info.Flags = 0;
+ integr_info.Reserved = 0;
+
+ return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
+ cfile->fid.volatile_fid,
+ FSCTL_SET_INTEGRITY_INFORMATION,
+ true /* is_fsctl */, (char *)&integr_info,
+ sizeof(struct fsctl_set_integrity_information_req),
+ (char **)&retbuf,
+ &ret_data_len);
+
+}
+
static int
smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
const char *path, struct cifs_sb_info *cifs_sb,
@@ -1624,6 +1693,7 @@ struct smb_version_operations smb30_operations = {
.new_lease_key = smb2_new_lease_key,
.generate_signingkey = generate_smb3signingkey,
.calc_signature = smb3_calc_signature,
+ .set_integrity = smb3_set_integrity,
.is_read_op = smb21_is_read_op,
.set_oplock_level = smb3_set_oplock_level,
.create_lease_buf = smb3_create_lease_buf,
@@ -1635,6 +1705,94 @@ struct smb_version_operations smb30_operations = {
.fallocate = smb3_fallocate,
};
+#ifdef CONFIG_CIFS_SMB311
+struct smb_version_operations smb311_operations = {
+ .compare_fids = smb2_compare_fids,
+ .setup_request = smb2_setup_request,
+ .setup_async_request = smb2_setup_async_request,
+ .check_receive = smb2_check_receive,
+ .add_credits = smb2_add_credits,
+ .set_credits = smb2_set_credits,
+ .get_credits_field = smb2_get_credits_field,
+ .get_credits = smb2_get_credits,
+ .wait_mtu_credits = smb2_wait_mtu_credits,
+ .get_next_mid = smb2_get_next_mid,
+ .read_data_offset = smb2_read_data_offset,
+ .read_data_length = smb2_read_data_length,
+ .map_error = map_smb2_to_linux_error,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
+ .dump_share_caps = smb2_dump_share_caps,
+ .is_oplock_break = smb2_is_valid_oplock_break,
+ .downgrade_oplock = smb2_downgrade_oplock,
+ .need_neg = smb2_need_neg,
+ .negotiate = smb2_negotiate,
+ .negotiate_wsize = smb2_negotiate_wsize,
+ .negotiate_rsize = smb2_negotiate_rsize,
+ .sess_setup = SMB2_sess_setup,
+ .logoff = SMB2_logoff,
+ .tree_connect = SMB2_tcon,
+ .tree_disconnect = SMB2_tdis,
+ .qfs_tcon = smb3_qfs_tcon,
+ .is_path_accessible = smb2_is_path_accessible,
+ .can_echo = smb2_can_echo,
+ .echo = SMB2_echo,
+ .query_path_info = smb2_query_path_info,
+ .get_srv_inum = smb2_get_srv_inum,
+ .query_file_info = smb2_query_file_info,
+ .set_path_size = smb2_set_path_size,
+ .set_file_size = smb2_set_file_size,
+ .set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
+ .mkdir = smb2_mkdir,
+ .mkdir_setinfo = smb2_mkdir_setinfo,
+ .rmdir = smb2_rmdir,
+ .unlink = smb2_unlink,
+ .rename = smb2_rename_path,
+ .create_hardlink = smb2_create_hardlink,
+ .query_symlink = smb2_query_symlink,
+ .query_mf_symlink = smb3_query_mf_symlink,
+ .create_mf_symlink = smb3_create_mf_symlink,
+ .open = smb2_open_file,
+ .set_fid = smb2_set_fid,
+ .close = smb2_close_file,
+ .flush = smb2_flush_file,
+ .async_readv = smb2_async_readv,
+ .async_writev = smb2_async_writev,
+ .sync_read = smb2_sync_read,
+ .sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
+ .is_status_pending = smb2_is_status_pending,
+ .oplock_response = smb2_oplock_response,
+ .queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
+ .push_mand_locks = smb2_push_mandatory_locks,
+ .get_lease_key = smb2_get_lease_key,
+ .set_lease_key = smb2_set_lease_key,
+ .new_lease_key = smb2_new_lease_key,
+ .generate_signingkey = generate_smb3signingkey,
+ .calc_signature = smb3_calc_signature,
+ .set_integrity = smb3_set_integrity,
+ .is_read_op = smb21_is_read_op,
+ .set_oplock_level = smb3_set_oplock_level,
+ .create_lease_buf = smb3_create_lease_buf,
+ .parse_lease_buf = smb3_parse_lease_buf,
+ .clone_range = smb2_clone_range,
+ .duplicate_extents = smb2_duplicate_extents,
+/* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */
+ .wp_retry_size = smb2_wp_retry_size,
+ .dir_needs_close = smb2_dir_needs_close,
+ .fallocate = smb3_fallocate,
+};
+#endif /* CIFS_SMB311 */
+
struct smb_version_values smb20_values = {
.version_string = SMB20_VERSION_STRING,
.protocol_id = SMB20_PROT_ID,
@@ -1714,3 +1872,25 @@ struct smb_version_values smb302_values = {
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
.create_lease_size = sizeof(struct create_lease_v2),
};
+
+#ifdef CONFIG_CIFS_SMB311
+struct smb_version_values smb311_values = {
+ .version_string = SMB311_VERSION_STRING,
+ .protocol_id = SMB311_PROT_ID,
+ .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .create_lease_size = sizeof(struct create_lease_v2),
+};
+#endif /* SMB311 */
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 54cbe19d9c0871a1bb47a17edfc1d414cb383b9f..b8b4f08ee094e2f8a2b811f076ca0eb4cc3e68b9 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -304,6 +304,59 @@ small_smb2_init(__le16 smb2_command, struct cifs_tcon *tcon,
return rc;
}
+#ifdef CONFIG_CIFS_SMB311
+/* offset is sizeof smb2_negotiate_req - 4 but rounded up to 8 bytes */
+#define OFFSET_OF_NEG_CONTEXT 0x68 /* sizeof(struct smb2_negotiate_req) - 4 */
+
+
+#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
+#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
+
+static void
+build_preauth_ctxt(struct smb2_preauth_neg_context *pneg_ctxt)
+{
+ pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES;
+ pneg_ctxt->DataLength = cpu_to_le16(38);
+ pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1);
+ pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE);
+ get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE);
+ pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512;
+}
+
+static void
+build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt)
+{
+ pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES;
+ pneg_ctxt->DataLength = cpu_to_le16(6);
+ pneg_ctxt->CipherCount = cpu_to_le16(2);
+ pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;
+ pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM;
+}
+
+static void
+assemble_neg_contexts(struct smb2_negotiate_req *req)
+{
+
+ /* +4 is to account for the RFC1001 len field */
+ char *pneg_ctxt = (char *)req + OFFSET_OF_NEG_CONTEXT + 4;
+
+ build_preauth_ctxt((struct smb2_preauth_neg_context *)pneg_ctxt);
+ /* Add 2 to size to round to 8 byte boundary */
+ pneg_ctxt += 2 + sizeof(struct smb2_preauth_neg_context);
+ build_encrypt_ctxt((struct smb2_encryption_neg_context *)pneg_ctxt);
+ req->NegotiateContextOffset = cpu_to_le32(OFFSET_OF_NEG_CONTEXT);
+ req->NegotiateContextCount = cpu_to_le16(2);
+ inc_rfc1001_len(req, 4 + sizeof(struct smb2_preauth_neg_context) + 2
+ + sizeof(struct smb2_encryption_neg_context)); /* calculate hash */
+}
+#else
+static void assemble_neg_contexts(struct smb2_negotiate_req *req)
+{
+ return;
+}
+#endif /* SMB311 */
+
+
/*
*
* SMB2 Worker functions follow:
@@ -363,10 +416,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
/* ClientGUID must be zero for SMB2.02 dialect */
if (ses->server->vals->protocol_id == SMB20_PROT_ID)
memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE);
- else
+ else {
memcpy(req->ClientGUID, server->client_guid,
SMB2_CLIENT_GUID_SIZE);
-
+ if (ses->server->vals->protocol_id == SMB311_PROT_ID)
+ assemble_neg_contexts(req);
+ }
iov[0].iov_base = (char *)req;
/* 4 for rfc1002 length field */
iov[0].iov_len = get_rfc1002_length(req) + 4;
@@ -393,8 +448,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
cifs_dbg(FYI, "negotiated smb3.0 dialect\n");
else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID))
cifs_dbg(FYI, "negotiated smb3.02 dialect\n");
+#ifdef CONFIG_CIFS_SMB311
+ else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID))
+ cifs_dbg(FYI, "negotiated smb3.1.1 dialect\n");
+#endif /* SMB311 */
else {
- cifs_dbg(VFS, "Illegal dialect returned by server %d\n",
+ cifs_dbg(VFS, "Illegal dialect returned by server 0x%x\n",
le16_to_cpu(rsp->DialectRevision));
rc = -EIO;
goto neg_exit;
@@ -572,7 +631,7 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
return rc;
req->hdr.SessionId = 0; /* First session, not a reauthenticate */
- req->VcNumber = 0; /* MBZ */
+ req->Flags = 0; /* MBZ */
/* to enable echos and oplocks */
req->hdr.CreditRequest = cpu_to_le16(3);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 70867d54fb8bf485cb5ff4dcb3049f67ca86cb45..451108284a2f438203568d90749f149ea567a602 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -136,9 +136,6 @@ struct smb2_transform_hdr {
__u64 SessionId;
} __packed;
-/* Encryption Algorithms */
-#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
-
/*
* SMB2 flag definitions
*/
@@ -191,7 +188,10 @@ struct smb2_negotiate_req {
__le16 Reserved; /* MBZ */
__le32 Capabilities;
__u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
- __le64 ClientStartTime; /* MBZ */
+ /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
+ __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
+ __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
+ __le16 Reserved2;
__le16 Dialects[1]; /* One dialect (vers=) at a time for now */
} __packed;
@@ -200,6 +200,7 @@ struct smb2_negotiate_req {
#define SMB21_PROT_ID 0x0210
#define SMB30_PROT_ID 0x0300
#define SMB302_PROT_ID 0x0302
+#define SMB311_PROT_ID 0x0311
#define BAD_PROT_ID 0xFFFF
/* SecurityMode flags */
@@ -217,12 +218,38 @@ struct smb2_negotiate_req {
#define SMB2_NT_FIND 0x00100000
#define SMB2_LARGE_FILES 0x00200000
+#define SMB311_SALT_SIZE 32
+/* Hash Algorithm Types */
+#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
+
+struct smb2_preauth_neg_context {
+ __le16 ContextType; /* 1 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le16 HashAlgorithmCount; /* 1 */
+ __le16 SaltLength;
+ __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
+ __u8 Salt[SMB311_SALT_SIZE];
+} __packed;
+
+/* Encryption Algorithms Ciphers */
+#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
+#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
+
+struct smb2_encryption_neg_context {
+ __le16 ContextType; /* 2 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */
+ __le16 Ciphers[2]; /* Ciphers[0] since only one used now */
+} __packed;
+
struct smb2_negotiate_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 65 */
__le16 SecurityMode;
__le16 DialectRevision;
- __le16 Reserved; /* MBZ */
+ __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
__u8 ServerGUID[16];
__le32 Capabilities;
__le32 MaxTransactSize;
@@ -232,14 +259,18 @@ struct smb2_negotiate_rsp {
__le64 ServerStartTime;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
- __le32 Reserved2; /* may be any value, ignore */
+ __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
__u8 Buffer[1]; /* variable length GSS security buffer */
} __packed;
+/* Flags */
+#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
+#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
+
struct smb2_sess_setup_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 25 */
- __u8 VcNumber;
+ __u8 Flags;
__u8 SecurityMode;
__le32 Capabilities;
__le32 Channel;
@@ -274,10 +305,13 @@ struct smb2_logoff_rsp {
__le16 Reserved;
} __packed;
+/* Flags/Reserved for SMB3.1.1 */
+#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001
+
struct smb2_tree_connect_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
- __le16 Reserved;
+ __le16 Reserved; /* Flags in SMB3.1.1 */
__le16 PathOffset;
__le16 PathLength;
__u8 Buffer[1]; /* variable length */
@@ -587,6 +621,29 @@ struct copychunk_ioctl_rsp {
__le32 TotalBytesWritten;
} __packed;
+struct fsctl_set_integrity_information_req {
+ __le16 ChecksumAlgorithm;
+ __le16 Reserved;
+ __le32 Flags;
+} __packed;
+
+struct fsctl_get_integrity_information_rsp {
+ __le16 ChecksumAlgorithm;
+ __le16 Reserved;
+ __le32 Flags;
+ __le32 ChecksumChunkSizeInBytes;
+ __le32 ClusterSizeInBytes;
+} __packed;
+
+/* Integrity ChecksumAlgorithm choices for above */
+#define CHECKSUM_TYPE_NONE 0x0000
+#define CHECKSUM_TYPE_CRC64 0x0002
+#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */
+
+/* Integrity flags for above */
+#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
+
+
struct validate_negotiate_info_req {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
@@ -620,6 +677,14 @@ struct compress_ioctl {
__le16 CompressionState; /* See cifspdu.h for possible flag values */
} __packed;
+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 smb2_ioctl_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
diff --git a/fs/cifs/smbfsctl.h b/fs/cifs/smbfsctl.h
index 83efa59535bedf988292548c0fcba1526fcdde1c..a639d0dab453373f4ae5dd2e2a6ee63f3867176d 100644
--- a/fs/cifs/smbfsctl.h
+++ b/fs/cifs/smbfsctl.h
@@ -75,10 +75,13 @@
#define FSCTL_QUERY_SPARING_INFO 0x00090138 /* BB add struct */
#define FSCTL_SET_ZERO_ON_DEALLOC 0x00090194 /* BB add struct */
#define FSCTL_SET_SHORT_NAME_BEHAVIOR 0x000901B4 /* BB add struct */
+#define FSCTL_GET_INTEGRITY_INFORMATION 0x0009027C
#define FSCTL_QUERY_ALLOCATED_RANGES 0x000940CF /* BB add struct */
#define FSCTL_SET_DEFECT_MANAGEMENT 0x00098134 /* BB add struct */
#define FSCTL_FILE_LEVEL_TRIM 0x00098208 /* BB add struct */
+#define FSCTL_DUPLICATE_EXTENTS_TO_FILE 0x00098344
#define FSCTL_SIS_LINK_FILES 0x0009C104
+#define FSCTL_SET_INTEGRITY_INFORMATION 0x0009C280
#define FSCTL_PIPE_PEEK 0x0011400C /* BB add struct */
#define FSCTL_PIPE_TRANSCEIVE 0x0011C017 /* BB add struct */
/* strange that the number for this op is not sequential with previous op */