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+# SPDX-License-Identifier: GPL-2.0-only
+#
+# wan devices configuration
+#
+
+menuconfig WAN
+ bool "Wan interfaces support"
+ help
+ Wide Area Networks (WANs), such as X.25, Frame Relay and leased
+ lines, are used to interconnect Local Area Networks (LANs) over vast
+ distances with data transfer rates significantly higher than those
+ achievable with commonly used asynchronous modem connections.
+
+ Usually, a quite expensive external device called a `WAN router' is
+ needed to connect to a WAN. As an alternative, a relatively
+ inexpensive WAN interface card can allow your Linux box to directly
+ connect to a WAN.
+
+ If you have one of those cards and wish to use it under Linux,
+ say Y here and also to the WAN driver for your card.
+
+ If unsure, say N.
+
+if WAN
+
+# Generic HDLC
+config HDLC
+ tristate "Generic HDLC layer"
+ help
+ Say Y to this option if your Linux box contains a WAN (Wide Area
+ Network) card supported by this driver and you are planning to
+ connect the box to a WAN.
+
+ You will need supporting software from
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+ Generic HDLC driver currently supports raw HDLC, Cisco HDLC, Frame
+ Relay, synchronous Point-to-Point Protocol (PPP) and X.25.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hdlc.
+
+ If unsure, say N.
+
+config HDLC_RAW
+ tristate "Raw HDLC support"
+ depends on HDLC
+ help
+ Generic HDLC driver supporting raw HDLC over WAN connections.
+
+ If unsure, say N.
+
+config HDLC_RAW_ETH
+ tristate "Raw HDLC Ethernet device support"
+ depends on HDLC
+ help
+ Generic HDLC driver supporting raw HDLC Ethernet device emulation
+ over WAN connections.
+
+ You will need it for Ethernet over HDLC bridges.
+
+ If unsure, say N.
+
+config HDLC_CISCO
+ tristate "Cisco HDLC support"
+ depends on HDLC
+ help
+ Generic HDLC driver supporting Cisco HDLC over WAN connections.
+
+ If unsure, say N.
+
+config HDLC_FR
+ tristate "Frame Relay support"
+ depends on HDLC
+ help
+ Generic HDLC driver supporting Frame Relay over WAN connections.
+
+ If unsure, say N.
+
+config HDLC_PPP
+ tristate "Synchronous Point-to-Point Protocol (PPP) support"
+ depends on HDLC
+ help
+ Generic HDLC driver supporting PPP over WAN connections.
+
+ If unsure, say N.
+
+config HDLC_X25
+ tristate "X.25 protocol support"
+ depends on HDLC && (LAPB=m && HDLC=m || LAPB=y)
+ help
+ Generic HDLC driver supporting X.25 over WAN connections.
+
+ If unsure, say N.
+
+comment "X.25/LAPB support is disabled"
+ depends on HDLC && (LAPB!=m || HDLC!=m) && LAPB!=y
+
+config PCI200SYN
+ tristate "Goramo PCI200SYN support"
+ depends on HDLC && PCI
+ help
+ Driver for PCI200SYN cards by Goramo sp. j.
+
+ If you have such a card, say Y here and see
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+
+ To compile this as a module, choose M here: the
+ module will be called pci200syn.
+
+ If unsure, say N.
+
+config WANXL
+ tristate "SBE Inc. wanXL support"
+ depends on HDLC && PCI
+ help
+ Driver for wanXL PCI cards by SBE Inc.
+
+ If you have such a card, say Y here and see
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+
+ To compile this as a module, choose M here: the
+ module will be called wanxl.
+
+ If unsure, say N.
+
+config WANXL_BUILD_FIRMWARE
+ bool "rebuild wanXL firmware"
+ depends on WANXL && !PREVENT_FIRMWARE_BUILD
+ help
+ Allows you to rebuild firmware run by the QUICC processor.
+ It requires m68k toolchains and hexdump programs.
+
+ You should never need this option, say N.
+
+config PC300TOO
+ tristate "Cyclades PC300 RSV/X21 alternative support"
+ depends on HDLC && PCI
+ help
+ Alternative driver for PC300 RSV/X21 PCI cards made by
+ Cyclades, Inc. If you have such a card, say Y here and see
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+
+ To compile this as a module, choose M here: the module
+ will be called pc300too.
+
+ If unsure, say N here.
+
+config N2
+ tristate "SDL RISCom/N2 support"
+ depends on HDLC && ISA
+ help
+ Driver for RISCom/N2 single or dual channel ISA cards by
+ SDL Communications Inc.
+
+ If you have such a card, say Y here and see
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+
+ Note that N2csu and N2dds cards are not supported by this driver.
+
+ To compile this driver as a module, choose M here: the module
+ will be called n2.
+
+ If unsure, say N.
+
+config C101
+ tristate "Moxa C101 support"
+ depends on HDLC && ISA
+ help
+ Driver for C101 SuperSync ISA cards by Moxa Technologies Co., Ltd.
+
+ If you have such a card, say Y here and see
+ <http://www.kernel.org/pub/linux/utils/net/hdlc/>.
+
+ To compile this driver as a module, choose M here: the
+ module will be called c101.
+
+ If unsure, say N.
+
+config FARSYNC
+ tristate "FarSync T-Series support"
+ depends on HDLC && PCI
+ help
+ Support for the FarSync T-Series X.21 (and V.35/V.24) cards by
+ FarSite Communications Ltd.
+
+ Synchronous communication is supported on all ports at speeds up to
+ 8Mb/s (128K on V.24) using synchronous PPP, Cisco HDLC, raw HDLC,
+ Frame Relay or X.25/LAPB.
+
+ If you want the module to be automatically loaded when the interface
+ is referenced then you should add "alias hdlcX farsync" to a file
+ in /etc/modprobe.d/ for each interface, where X is 0, 1, 2, ..., or
+ simply use "alias hdlc* farsync" to indicate all of them.
+
+ To compile this driver as a module, choose M here: the
+ module will be called farsync.
+
+config FSL_UCC_HDLC
+ tristate "Freescale QUICC Engine HDLC support"
+ depends on HDLC
+ depends on QUICC_ENGINE
+ help
+ Driver for Freescale QUICC Engine HDLC controller. The driver
+ supports HDLC in NMSI and TDM mode.
+
+ To compile this driver as a module, choose M here: the
+ module will be called fsl_ucc_hdlc.
+
+config SLIC_DS26522
+ tristate "Slic Maxim ds26522 card support"
+ depends on SPI
+ depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
+ select BITREVERSE
+ help
+ This module initializes and configures the slic maxim card
+ in T1 or E1 mode.
+
+ To compile this driver as a module, choose M here: the
+ module will be called slic_ds26522.
+
+config IXP4XX_HSS
+ tristate "Intel IXP4xx HSS (synchronous serial port) support"
+ depends on HDLC && IXP4XX_NPE && IXP4XX_QMGR
+ depends on ARCH_IXP4XX && OF
+ select MFD_SYSCON
+ help
+ Say Y here if you want to use built-in HSS ports
+ on IXP4xx processor.
+
+# X.25 network drivers
+config LAPBETHER
+ tristate "LAPB over Ethernet driver"
+ depends on LAPB && X25
+ help
+ Driver for a pseudo device (typically called /dev/lapb0) which allows
+ you to open an LAPB point-to-point connection to some other computer
+ on your Ethernet network.
+
+ In order to do this, you need to say Y or M to the driver for your
+ Ethernet card as well as to "LAPB Data Link Driver".
+
+ To compile this driver as a module, choose M here: the
+ module will be called lapbether.
+
+
+ If unsure, say N.
+
+endif # WAN