Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/fs/smb/client/rfc1002pdu.h b/fs/smb/client/rfc1002pdu.h
new file mode 100644
index 0000000000..ae1d025da2
--- /dev/null
+++ b/fs/smb/client/rfc1002pdu.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+/*
+ *
+ *   Protocol Data Unit definitions for RFC 1001/1002 support
+ *
+ *   Copyright (c) International Business Machines  Corp., 2004
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ */
+
+/* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */
+
+	/* RFC 1002 session packet types */
+#define RFC1002_SESSION_MESSAGE 0x00
+#define RFC1002_SESSION_REQUEST  0x81
+#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82
+#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83
+#define RFC1002_RETARGET_SESSION_RESPONSE 0x84
+#define RFC1002_SESSION_KEEP_ALIVE 0x85
+
+	/* RFC 1002 flags (only one defined */
+#define RFC1002_LENGTH_EXTEND 0x80 /* high order bit of length (ie +64K) */
+
+struct rfc1002_session_packet {
+	__u8	type;
+	__u8	flags;
+	__u16	length;
+	union {
+		struct {
+			__u8 called_len;
+			__u8 called_name[32];
+			__u8 scope1; /* null */
+			__u8 calling_len;
+			__u8 calling_name[32];
+			__u8 scope2; /* null */
+		} __attribute__((packed)) session_req;
+		struct {
+			__u32 retarget_ip_addr;
+			__u16 port;
+		} __attribute__((packed)) retarget_resp;
+		__u8 neg_ses_resp_error_code;
+		/* POSITIVE_SESSION_RESPONSE packet does not include trailer.
+		SESSION_KEEP_ALIVE packet also does not include a trailer.
+		Trailer for the SESSION_MESSAGE packet is SMB/CIFS header */
+	} __attribute__((packed)) trailer;
+} __attribute__((packed));
+
+/* Negative Session Response error codes */
+#define RFC1002_NOT_LISTENING_CALLED  0x80 /* not listening on called name */
+#define RFC1002_NOT_LISTENING_CALLING 0x81 /* not listening on calling name */
+#define RFC1002_NOT_PRESENT           0x82 /* called name not present */
+#define RFC1002_INSUFFICIENT_RESOURCE 0x83
+#define RFC1002_UNSPECIFIED_ERROR     0x8F
+
+/* RFC 1002 Datagram service packets are not defined here as they
+are not needed for the network filesystem client unless we plan on
+implementing broadcast resolution of the server ip address (from
+server netbios name). Currently server names are resolved only via DNS
+(tcp name) or ip address or an /etc/hosts equivalent mapping to ip address.*/
+
+#define DEFAULT_CIFS_CALLED_NAME  "*SMBSERVER      "