From: Stefan Metzmacher <metze@samba.org>
Date: Sat, 20 Sep 2025 02:27:03 +0000 (+0200)
Subject: smb: smbdirect: define SMBDIRECT_MIN_{RECEIVE,FRAGMENTED}_SIZE
X-Git-Tag: v7.1-rc1~128^2~113
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5fe03dd0c52094a2673b829af0f432bab038edcc;p=thirdparty%2Flinux.git

smb: smbdirect: define SMBDIRECT_MIN_{RECEIVE,FRAGMENTED}_SIZE

These are specified in MS-SMBD...

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/smb/common/smbdirect/smbdirect_pdu.h b/fs/smb/common/smbdirect/smbdirect_pdu.h
index ae9fdb05ce231..7693ba3378739 100644
--- a/fs/smb/common/smbdirect/smbdirect_pdu.h
+++ b/fs/smb/common/smbdirect/smbdirect_pdu.h
@@ -8,6 +8,10 @@
 
 #define SMBDIRECT_V1 0x0100
 
+/* SMBD minimum receive size and fragmented sized defined in [MS-SMBD] */
+#define SMBDIRECT_MIN_RECEIVE_SIZE		128
+#define SMBDIRECT_MIN_FRAGMENTED_SIZE		131072
+
 /* SMBD negotiation request packet [MS-SMBD] 2.2.1 */
 struct smbdirect_negotiate_req {
 	__le16 min_version;