linux-kernel - [PATCH 4/5] cifsd: add Kconfig and Makefile

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Message-Id: <20210322051344.1706-5-namjae.jeon@samsung.com>
Date:   Mon, 22 Mar 2021 14:13:43 +0900
From:   Namjae Jeon <namjae.jeon@...sung.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-cifs@...r.kernel.org
Cc:     linux-cifsd-devel@...ts.sourceforge.net, smfrench@...il.com,
        senozhatsky@...omium.org, hyc.lee@...il.com,
        viro@...iv.linux.org.uk, hch@....de, hch@...radead.org,
        ronniesahlberg@...il.com, aurelien.aptel@...il.com,
        aaptel@...e.com, sandeen@...deen.net, dan.carpenter@...cle.com,
        colin.king@...onical.com, rdunlap@...radead.org,
        Namjae Jeon <namjae.jeon@...sung.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steve French <stfrench@...rosoft.com>
Subject: [PATCH 4/5] cifsd: add Kconfig and Makefile

This adds the Kconfig and Makefile for cifsd.

Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Signed-off-by: Hyunchul Lee <hyc.lee@...il.com>
Acked-by: Ronnie Sahlberg <lsahlber@...hat.com>
Signed-off-by: Steve French <stfrench@...rosoft.com>
---
 fs/Kconfig        |  1 +
 fs/Makefile       |  1 +
 fs/cifsd/Kconfig  | 64 +++++++++++++++++++++++++++++++++++++++++++++++
 fs/cifsd/Makefile | 13 ++++++++++
 4 files changed, 79 insertions(+)
 create mode 100644 fs/cifsd/Kconfig
 create mode 100644 fs/cifsd/Makefile

diff --git a/fs/Kconfig b/fs/Kconfig
index a55bda4233bb..92deb66021d1 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -340,6 +340,7 @@ config NFS_V4_2_SSC_HELPER
 source "net/sunrpc/Kconfig"
 source "fs/ceph/Kconfig"
 source "fs/cifs/Kconfig"
+source "fs/cifsd/Kconfig"
 source "fs/coda/Kconfig"
 source "fs/afs/Kconfig"
 source "fs/9p/Kconfig"
diff --git a/fs/Makefile b/fs/Makefile
index 3215fe205256..62dc87f3ff94 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -97,6 +97,7 @@ obj-$(CONFIG_NLS)		+= nls/
 obj-$(CONFIG_UNICODE)		+= unicode/
 obj-$(CONFIG_SYSV_FS)		+= sysv/
 obj-$(CONFIG_CIFS)		+= cifs/
+obj-$(CONFIG_SMB_SERVER)	+= cifsd/
 obj-$(CONFIG_HPFS_FS)		+= hpfs/
 obj-$(CONFIG_NTFS_FS)		+= ntfs/
 obj-$(CONFIG_UFS_FS)		+= ufs/
diff --git a/fs/cifsd/Kconfig b/fs/cifsd/Kconfig
new file mode 100644
index 000000000000..6e78960be5b1
--- /dev/null
+++ b/fs/cifsd/Kconfig
@@ -0,0 +1,64 @@
+config SMB_SERVER
+	tristate "SMB server support (EXPERIMENTAL)"
+	depends on INET
+	select NLS
+	select NLS_UTF8
+	select CRYPTO
+	select CRYPTO_MD4
+	select CRYPTO_MD5
+	select CRYPTO_HMAC
+	select CRYPTO_ARC4
+	select CRYPTO_ECB
+	select CRYPTO_LIB_DES
+	select CRYPTO_SHA256
+	select CRYPTO_CMAC
+	select CRYPTO_SHA512
+	select CRYPTO_AEAD2
+	select CRYPTO_CCM
+	select CRYPTO_GCM
+	default n
+	help
+	  Choose Y here if you want to allow SMB3 compliant clients
+	  to access files residing on this system using SMB3 protocol.
+	  To compile the SMB3 server support as a module,
+	  choose M here: the module will be called ksmbd.
+
+	  You may choose to use a samba server instead, in which
+	  case you can choose N here.
+
+	  You also need to install user space programs which can be found
+	  in cifsd-tools, available from
+	  https://github.com/cifsd-team/cifsd-tools.
+	  More detail about how to run the cifsd kernel server is
+	  available via README file
+	  (https://github.com/cifsd-team/cifsd-tools/blob/master/README).
+
+	  cifsd kernel server includes support for auto-negotiation,
+	  Secure negotiate, Pre-authentication integrity, oplock/lease,
+	  compound requests, multi-credit, packet signing, RDMA(smbdirect),
+	  smb3 encryption, copy-offload, secure per-user session
+	  establishment via NTLM or NTLMv2.
+
+config SMB_SERVER_SMBDIRECT
+	bool "Support for SMB Direct protocol"
+	depends on SMB_SERVER=m && INFINIBAND && INFINIBAND_ADDR_TRANS || SMB_SERVER=y && INFINIBAND=y && INFINIBAND_ADDR_TRANS=y
+	default n
+
+	help
+	  Enables SMB Direct support for SMB 3.0, 3.02 and 3.1.1.
+
+	  SMB Direct allows transferring SMB packets over RDMA. If unsure,
+	  say N.
+
+config SMB_SERVER_CHECK_CAP_NET_ADMIN
+	bool "Enable check network administration capability"
+	depends on SMB_SERVER
+	default y
+
+	help
+	  Prevent unprivileged processes to start the cifsd kernel server.
+
+config SMB_SERVER_KERBEROS5
+	bool "Support for Kerberos 5"
+	depends on SMB_SERVER
+	default n
diff --git a/fs/cifsd/Makefile b/fs/cifsd/Makefile
new file mode 100644
index 000000000000..a6c03c4ba51e
--- /dev/null
+++ b/fs/cifsd/Makefile
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Makefile for Linux SMB3 kernel server
+#
+obj-$(CONFIG_SMB_SERVER) += ksmbd.o
+
+ksmbd-y :=	unicode.o auth.o vfs.o vfs_cache.o server.o buffer_pool.o \
+		misc.o oplock.o connection.o ksmbd_work.o crypto_ctx.o \
+		mgmt/ksmbd_ida.o mgmt/user_config.o mgmt/share_config.o \
+		mgmt/tree_connect.o mgmt/user_session.o smb_common.o \
+		transport_tcp.o transport_ipc.o smbacl.o smb2pdu.o \
+		smb2ops.o smb2misc.o asn1.o netmisc.o ndr.o
+ksmbd-$(CONFIG_SMB_SERVER_SMBDIRECT) += transport_rdma.o
-- 
2.17.1