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Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h52
1 files changed, 39 insertions, 13 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index de5b2e1fcce5..2282562e78a1 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -64,8 +64,8 @@
#define RFC1001_NAME_LEN 15
#define RFC1001_NAME_LEN_WITH_NULL (RFC1001_NAME_LEN + 1)
-/* currently length of NIP6_FMT */
-#define SERVER_NAME_LENGTH 40
+/* maximum length of ip addr as a string (including ipv6 and sctp) */
+#define SERVER_NAME_LENGTH 80
#define SERVER_NAME_LEN_WITH_NULL (SERVER_NAME_LENGTH + 1)
/* echo interval in seconds */
@@ -130,10 +130,12 @@ struct cifs_secmech {
struct crypto_shash *md5; /* md5 hash function */
struct crypto_shash *hmacsha256; /* hmac-sha256 hash function */
struct crypto_shash *cmacaes; /* block-cipher based MAC function */
+ struct crypto_shash *sha512; /* sha512 hash function */
struct sdesc *sdeschmacmd5; /* ctxt to generate ntlmv2 hash, CR1 */
struct sdesc *sdescmd5; /* ctxt to generate cifs/smb signature */
struct sdesc *sdeschmacsha256; /* ctxt to generate smb2 signature */
struct sdesc *sdesccmacaes; /* ctxt to generate smb3 signature */
+ struct sdesc *sdescsha512; /* ctxt to generate smb3.11 signing key */
struct crypto_aead *ccmaesencrypt; /* smb3 encryption aead */
struct crypto_aead *ccmaesdecrypt; /* smb3 decryption aead */
};
@@ -230,8 +232,14 @@ struct smb_version_operations {
__u64 (*get_next_mid)(struct TCP_Server_Info *);
/* data offset from read response message */
unsigned int (*read_data_offset)(char *);
- /* data length from read response message */
- unsigned int (*read_data_length)(char *);
+ /*
+ * Data length from read response message
+ * When in_remaining is true, the returned data length is in
+ * message field DataRemaining for out-of-band data read (e.g through
+ * Memory Registration RDMA write in SMBD).
+ * Otherwise, the returned data length is in message field DataLength.
+ */
+ unsigned int (*read_data_length)(char *, bool in_remaining);
/* map smb to linux error */
int (*map_error)(char *, bool);
/* find mid corresponding to the response message */
@@ -460,6 +468,7 @@ struct smb_version_values {
__u32 exclusive_lock_type;
__u32 shared_lock_type;
__u32 unlock_lock_type;
+ size_t header_preamble_size;
size_t header_size;
size_t max_header_size;
size_t read_rsp_size;
@@ -532,6 +541,7 @@ struct smb_vol {
bool nopersistent:1;
bool resilient:1; /* noresilient not required since not fored for CA */
bool domainauto:1;
+ bool rdma:1;
unsigned int rsize;
unsigned int wsize;
bool sockopt_tcp_nodelay:1;
@@ -559,8 +569,8 @@ struct smb_vol {
CIFS_MOUNT_MULTIUSER | CIFS_MOUNT_STRICT_IO | \
CIFS_MOUNT_CIFS_BACKUPUID | CIFS_MOUNT_CIFS_BACKUPGID)
-#define CIFS_MS_MASK (MS_RDONLY | MS_MANDLOCK | MS_NOEXEC | MS_NOSUID | \
- MS_NODEV | MS_SYNCHRONOUS)
+#define CIFS_MS_MASK (SB_RDONLY | SB_MANDLOCK | SB_NOEXEC | SB_NOSUID | \
+ SB_NODEV | SB_SYNCHRONOUS)
struct cifs_mnt_data {
struct cifs_sb_info *cifs_sb;
@@ -648,6 +658,10 @@ struct TCP_Server_Info {
bool sec_kerberos; /* supports plain Kerberos */
bool sec_mskerberos; /* supports legacy MS Kerberos */
bool large_buf; /* is current buffer large? */
+ /* use SMBD connection instead of socket */
+ bool rdma;
+ /* point to the SMBD connection if RDMA is used instead of socket */
+ struct smbd_connection *smbd_conn;
struct delayed_work echo; /* echo ping workqueue job */
char *smallbuf; /* pointer to current "small" buffer */
char *bigbuf; /* pointer to current "big" buffer */
@@ -661,7 +675,10 @@ struct TCP_Server_Info {
#endif
unsigned int max_read;
unsigned int max_write;
- __u8 preauth_hash[512];
+#ifdef CONFIG_CIFS_SMB311
+ /* save initital negprot hash */
+ __u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
+#endif /* 3.1.1 */
struct delayed_work reconnect; /* reconnect workqueue job */
struct mutex reconnect_mutex; /* prevent simultaneous reconnects */
unsigned long echo_interval;
@@ -820,12 +837,12 @@ static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net)
struct cifs_ses {
struct list_head smb_ses_list;
struct list_head tcon_list;
+ struct cifs_tcon *tcon_ipc;
struct mutex session_mutex;
struct TCP_Server_Info *server; /* pointer to server info */
int ses_count; /* reference counter */
enum statusEnum status;
unsigned overrideSecFlg; /* if non-zero override global sec flags */
- __u32 ipc_tid; /* special tid for connection to IPC share */
char *serverOS; /* name of operating system underlying server */
char *serverNOS; /* name of network operating system of server */
char *serverDomain; /* security realm of server */
@@ -833,8 +850,7 @@ struct cifs_ses {
kuid_t linux_uid; /* overriding owner of files on the mount */
kuid_t cred_uid; /* owner of credentials */
unsigned int capabilities;
- char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for
- TCP names - will ipv6 and sctp addresses fit? */
+ char serverName[SERVER_NAME_LEN_WITH_NULL];
char *user_name; /* must not be null except during init of sess
and after mount option parsing we fill it */
char *domainName;
@@ -849,7 +865,9 @@ struct cifs_ses {
__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
__u8 smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
__u8 smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
- __u8 preauth_hash[512];
+#ifdef CONFIG_CIFS_SMB311
+ __u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
+#endif /* 3.1.1 */
};
static inline bool
@@ -927,7 +945,9 @@ struct cifs_tcon {
FILE_SYSTEM_DEVICE_INFO fsDevInfo;
FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if fs name truncated */
FILE_SYSTEM_UNIX_INFO fsUnixInfo;
- bool ipc:1; /* set if connection to IPC$ eg for RPC/PIPES */
+ bool ipc:1; /* set if connection to IPC$ share (always also pipe) */
+ bool pipe:1; /* set if connection to pipe share */
+ bool print:1; /* set if connection to printer share */
bool retry:1;
bool nocase:1;
bool seal:1; /* transport encryption for this mounted share */
@@ -940,7 +960,6 @@ struct cifs_tcon {
bool need_reopen_files:1; /* need to reopen tcon file handles */
bool use_resilient:1; /* use resilient instead of durable handles */
bool use_persistent:1; /* use persistent instead of durable handles */
- bool print:1; /* set if connection to printer share */
__le32 capabilities;
__u32 share_flags;
__u32 maximal_access;
@@ -1143,6 +1162,9 @@ struct cifs_readdata {
struct cifs_readdata *rdata,
struct iov_iter *iter);
struct kvec iov[2];
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ struct smbd_mr *mr;
+#endif
unsigned int pagesz;
unsigned int tailsz;
unsigned int credits;
@@ -1165,6 +1187,9 @@ struct cifs_writedata {
pid_t pid;
unsigned int bytes;
int result;
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ struct smbd_mr *mr;
+#endif
unsigned int pagesz;
unsigned int tailsz;
unsigned int credits;
@@ -1445,6 +1470,7 @@ struct dfs_info3_param {
#define CIFS_FATTR_NEED_REVAL 0x4
#define CIFS_FATTR_INO_COLLISION 0x8
#define CIFS_FATTR_UNKNOWN_NLINK 0x10
+#define CIFS_FATTR_FAKE_ROOT_INO 0x20
struct cifs_fattr {
u32 cf_flags;
generated by cgit (git 2.34.1) at 2024-05-27 21:12:25 +0000