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1#
2# Network device configuration
3#
4
5menuconfig NETDEVICES
6 default y if UML
7 depends on NET
8 bool "Network device support"
9 ---help---
10 You can say N here if you don't intend to connect your Linux box to
11 any other computer at all.
12
13 You'll have to say Y if your computer contains a network card that
14 you want to use under Linux. If you are going to run SLIP or PPP over
15 telephone line or null modem cable you need say Y here. Connecting
16 two machines with parallel ports using PLIP needs this, as well as
17 AX.25/KISS for sending Internet traffic over amateur radio links.
18
19 See also "The Linux Network Administrator's Guide" by Olaf Kirch and
20 Terry Dawson. Available at <http://www.tldp.org/guides.html>.
21
22 If unsure, say Y.
23
24# All the following symbols are dependent on NETDEVICES - do not repeat
25# that for each of the symbols.
26if NETDEVICES
27
28config MII
29 tristate
30
31config NET_CORE
32 default y
33 bool "Network core driver support"
34 ---help---
35 You can say N here if you do not intend to use any of the
36 networking core drivers (i.e. VLAN, bridging, bonding, etc.)
37
38if NET_CORE
39
40config BONDING
41 tristate "Bonding driver support"
42 depends on INET
43 depends on IPV6 || IPV6=n
44 ---help---
45 Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
46 Channels together. This is called 'Etherchannel' by Cisco,
47 'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.
48
49 The driver supports multiple bonding modes to allow for both high
50 performance and high availability operation.
51
52 Refer to <file:Documentation/networking/bonding.txt> for more
53 information.
54
55 To compile this driver as a module, choose M here: the module
56 will be called bonding.
57
58config DUMMY
59 tristate "Dummy net driver support"
60 ---help---
61 This is essentially a bit-bucket device (i.e. traffic you send to
62 this device is consigned into oblivion) with a configurable IP
63 address. It is most commonly used in order to make your currently
64 inactive SLIP address seem like a real address for local programs.
65 If you use SLIP or PPP, you might want to say Y here. Since this
66 thing often comes in handy, the default is Y. It won't enlarge your
67 kernel either. What a deal. Read about it in the Network
68 Administrator's Guide, available from
69 <http://www.tldp.org/docs.html#guide>.
70
71 To compile this driver as a module, choose M here: the module
72 will be called dummy.
73
74config EQUALIZER
75 tristate "EQL (serial line load balancing) support"
76 ---help---
77 If you have two serial connections to some other computer (this
78 usually requires two modems and two telephone lines) and you use
79 SLIP (the protocol for sending Internet traffic over telephone
80 lines) or PPP (a better SLIP) on them, you can make them behave like
81 one double speed connection using this driver. Naturally, this has
82 to be supported at the other end as well, either with a similar EQL
83 Linux driver or with a Livingston Portmaster 2e.
84
85 Say Y if you want this and read
86 <file:Documentation/networking/eql.txt>. You may also want to read
87 section 6.2 of the NET-3-HOWTO, available from
88 <http://www.tldp.org/docs.html#howto>.
89
90 To compile this driver as a module, choose M here: the module
91 will be called eql. If unsure, say N.
92
93config NET_FC
94 bool "Fibre Channel driver support"
95 depends on SCSI && PCI
96 help
97 Fibre Channel is a high speed serial protocol mainly used to connect
98 large storage devices to the computer; it is compatible with and
99 intended to replace SCSI.
100
101 If you intend to use Fibre Channel, you need to have a Fibre channel
102 adaptor card in your computer; say Y here and to the driver for your
103 adaptor below. You also should have said Y to "SCSI support" and
104 "SCSI generic support".
105
106config IFB
107 tristate "Intermediate Functional Block support"
108 depends on NET_CLS_ACT
109 ---help---
110 This is an intermediate driver that allows sharing of
111 resources.
112 To compile this driver as a module, choose M here: the module
113 will be called ifb. If you want to use more than one ifb
114 device at a time, you need to compile this driver as a module.
115 Instead of 'ifb', the devices will then be called 'ifb0',
116 'ifb1' etc.
117 Look at the iproute2 documentation directory for usage etc
118
119source "drivers/net/team/Kconfig"
120
121config MACVLAN
122 tristate "MAC-VLAN support"
123 ---help---
124 This allows one to create virtual interfaces that map packets to
125 or from specific MAC addresses to a particular interface.
126
127 Macvlan devices can be added using the "ip" command from the
128 iproute2 package starting with the iproute2-2.6.23 release:
129
130 "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
131
132 To compile this driver as a module, choose M here: the module
133 will be called macvlan.
134
135config MACVTAP
136 tristate "MAC-VLAN based tap driver"
137 depends on MACVLAN
138 help
139 This adds a specialized tap character device driver that is based
140 on the MAC-VLAN network interface, called macvtap. A macvtap device
141 can be added in the same way as a macvlan device, using 'type
142 macvtap', and then be accessed through the tap user space interface.
143
144 To compile this driver as a module, choose M here: the module
145 will be called macvtap.
146
147config VXLAN
148 tristate "Virtual eXtensible Local Area Network (VXLAN)"
149 depends on INET
150 select NET_IP_TUNNEL
151 ---help---
152 This allows one to create vxlan virtual interfaces that provide
153 Layer 2 Networks over Layer 3 Networks. VXLAN is often used
154 to tunnel virtual network infrastructure in virtualized environments.
155 For more information see:
156 http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02
157
158 To compile this driver as a module, choose M here: the module
159 will be called vxlan.
160
161config NETCONSOLE
162 tristate "Network console logging support"
163 ---help---
164 If you want to log kernel messages over the network, enable this.
165 See <file:Documentation/networking/netconsole.txt> for details.
166
167config NETCONSOLE_DYNAMIC
168 bool "Dynamic reconfiguration of logging targets"
169 depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
170 !(NETCONSOLE=y && CONFIGFS_FS=m)
171 help
172 This option enables the ability to dynamically reconfigure target
173 parameters (interface, IP addresses, port numbers, MAC addresses)
174 at runtime through a userspace interface exported using configfs.
175 See <file:Documentation/networking/netconsole.txt> for details.
176
177config NETPOLL
178 def_bool NETCONSOLE
179
180config NET_POLL_CONTROLLER
181 def_bool NETPOLL
182
183config NTB_NETDEV
184 tristate "Virtual Ethernet over NTB"
185 depends on NTB
186
187config RIONET
188 tristate "RapidIO Ethernet over messaging driver support"
189 depends on RAPIDIO
190
191config RIONET_TX_SIZE
192 int "Number of outbound queue entries"
193 depends on RIONET
194 default "128"
195
196config RIONET_RX_SIZE
197 int "Number of inbound queue entries"
198 depends on RIONET
199 default "128"
200
201config TUN
202 tristate "Universal TUN/TAP device driver support"
203 select CRC32
204 ---help---
205 TUN/TAP provides packet reception and transmission for user space
206 programs. It can be viewed as a simple Point-to-Point or Ethernet
207 device, which instead of receiving packets from a physical media,
208 receives them from user space program and instead of sending packets
209 via physical media writes them to the user space program.
210
211 When a program opens /dev/net/tun, driver creates and registers
212 corresponding net device tunX or tapX. After a program closed above
213 devices, driver will automatically delete tunXX or tapXX device and
214 all routes corresponding to it.
215
216 Please read <file:Documentation/networking/tuntap.txt> for more
217 information.
218
219 To compile this driver as a module, choose M here: the module
220 will be called tun.
221
222 If you don't know what to use this for, you don't need it.
223
224config VETH
225 tristate "Virtual ethernet pair device"
226 ---help---
227 This device is a local ethernet tunnel. Devices are created in pairs.
228 When one end receives the packet it appears on its pair and vice
229 versa.
230
231config VIRTIO_NET
232 tristate "Virtio network driver"
233 depends on VIRTIO
234 select AVERAGE
235 ---help---
236 This is the virtual network driver for virtio. It can be used with
237 lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
238
239config NLMON
240 tristate "Virtual netlink monitoring device"
241 ---help---
242 This option enables a monitoring net device for netlink skbs. The
243 purpose of this is to analyze netlink messages with packet sockets.
244 Thus applications like tcpdump will be able to see local netlink
245 messages if they tap into the netlink device, record pcaps for further
246 diagnostics, etc. This is mostly intended for developers or support
247 to debug netlink issues. If unsure, say N.
248
249endif # NET_CORE
250
251config SUNGEM_PHY
252 tristate
253
254source "drivers/net/arcnet/Kconfig"
255
256source "drivers/atm/Kconfig"
257
258source "drivers/net/caif/Kconfig"
259
260source "drivers/net/dsa/Kconfig"
261
262source "drivers/net/ethernet/Kconfig"
263
264source "drivers/net/fddi/Kconfig"
265
266source "drivers/net/hippi/Kconfig"
267
268config NET_SB1000
269 tristate "General Instruments Surfboard 1000"
270 depends on PNP
271 ---help---
272 This is a driver for the General Instrument (also known as
273 NextLevel) SURFboard 1000 internal
274 cable modem. This is an ISA card which is used by a number of cable
275 TV companies to provide cable modem access. It's a one-way
276 downstream-only cable modem, meaning that your upstream net link is
277 provided by your regular phone modem.
278
279 At present this driver only compiles as a module, so say M here if
280 you have this card. The module will be called sb1000. Then read
281 <file:Documentation/networking/README.sb1000> for information on how
282 to use this module, as it needs special ppp scripts for establishing
283 a connection. Further documentation and the necessary scripts can be
284 found at:
285
286 <http://www.jacksonville.net/~fventuri/>
287 <http://home.adelphia.net/~siglercm/sb1000.html>
288 <http://linuxpower.cx/~cable/>
289
290 If you don't have this card, of course say N.
291
292source "drivers/net/phy/Kconfig"
293
294source "drivers/net/plip/Kconfig"
295
296source "drivers/net/ppp/Kconfig"
297
298source "drivers/net/slip/Kconfig"
299
300source "drivers/s390/net/Kconfig"
301
302source "drivers/net/usb/Kconfig"
303
304source "drivers/net/wireless/Kconfig"
305
306source "drivers/net/wimax/Kconfig"
307
308source "drivers/net/wan/Kconfig"
309
310source "drivers/net/ieee802154/Kconfig"
311
312config XEN_NETDEV_FRONTEND
313 tristate "Xen network device frontend driver"
314 depends on XEN
315 select XEN_XENBUS_FRONTEND
316 default y
317 help
318 This driver provides support for Xen paravirtual network
319 devices exported by a Xen network driver domain (often
320 domain 0).
321
322 The corresponding Linux backend driver is enabled by the
323 CONFIG_XEN_NETDEV_BACKEND option.
324
325 If you are compiling a kernel for use as Xen guest, you
326 should say Y here. To compile this driver as a module, chose
327 M here: the module will be called xen-netfront.
328
329config XEN_NETDEV_BACKEND
330 tristate "Xen backend network device"
331 depends on XEN_BACKEND
332 help
333 This driver allows the kernel to act as a Xen network driver
334 domain which exports paravirtual network devices to other
335 Xen domains. These devices can be accessed by any operating
336 system that implements a compatible front end.
337
338 The corresponding Linux frontend driver is enabled by the
339 CONFIG_XEN_NETDEV_FRONTEND configuration option.
340
341 The backend driver presents a standard network device
342 endpoint for each paravirtual network device to the driver
343 domain network stack. These can then be bridged or routed
344 etc in order to provide full network connectivity.
345
346 If you are compiling a kernel to run in a Xen network driver
347 domain (often this is domain 0) you should say Y here. To
348 compile this driver as a module, chose M here: the module
349 will be called xen-netback.
350
351config VMXNET3
352 tristate "VMware VMXNET3 ethernet driver"
353 depends on PCI && INET
354 help
355 This driver supports VMware's vmxnet3 virtual ethernet NIC.
356 To compile this driver as a module, choose M here: the
357 module will be called vmxnet3.
358
359source "drivers/net/hyperv/Kconfig"
360
361endif # NETDEVICES
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Network device configuration
4#
5
6menuconfig NETDEVICES
7 default y if UML
8 depends on NET
9 bool "Network device support"
10 help
11 You can say N here if you don't intend to connect your Linux box to
12 any other computer at all.
13
14 You'll have to say Y if your computer contains a network card that
15 you want to use under Linux. If you are going to run SLIP or PPP over
16 telephone line or null modem cable you need say Y here. Connecting
17 two machines with parallel ports using PLIP needs this, as well as
18 AX.25/KISS for sending Internet traffic over amateur radio links.
19
20 See also "The Linux Network Administrator's Guide" by Olaf Kirch and
21 Terry Dawson. Available at <http://www.tldp.org/guides.html>.
22
23 If unsure, say Y.
24
25# All the following symbols are dependent on NETDEVICES - do not repeat
26# that for each of the symbols.
27if NETDEVICES
28
29config MII
30 tristate
31
32config NET_CORE
33 default y
34 bool "Network core driver support"
35 help
36 You can say N here if you do not intend to use any of the
37 networking core drivers (i.e. VLAN, bridging, bonding, etc.)
38
39if NET_CORE
40
41config BONDING
42 tristate "Bonding driver support"
43 depends on INET
44 depends on IPV6 || IPV6=n
45 depends on TLS || TLS_DEVICE=n
46 help
47 Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet
48 Channels together. This is called 'Etherchannel' by Cisco,
49 'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux.
50
51 The driver supports multiple bonding modes to allow for both high
52 performance and high availability operation.
53
54 Refer to <file:Documentation/networking/bonding.rst> for more
55 information.
56
57 To compile this driver as a module, choose M here: the module
58 will be called bonding.
59
60config DUMMY
61 tristate "Dummy net driver support"
62 help
63 This is essentially a bit-bucket device (i.e. traffic you send to
64 this device is consigned into oblivion) with a configurable IP
65 address. It is most commonly used in order to make your currently
66 inactive SLIP address seem like a real address for local programs.
67 If you use SLIP or PPP, you might want to say Y here. It won't
68 enlarge your kernel. What a deal. Read about it in the Network
69 Administrator's Guide, available from
70 <http://www.tldp.org/docs.html#guide>.
71
72 To compile this driver as a module, choose M here: the module
73 will be called dummy.
74
75config WIREGUARD
76 tristate "WireGuard secure network tunnel"
77 depends on NET && INET
78 depends on IPV6 || !IPV6
79 select NET_UDP_TUNNEL
80 select DST_CACHE
81 select CRYPTO
82 select CRYPTO_LIB_CURVE25519
83 select CRYPTO_LIB_CHACHA20POLY1305
84 select CRYPTO_LIB_BLAKE2S
85 select CRYPTO_CHACHA20_X86_64 if X86 && 64BIT
86 select CRYPTO_POLY1305_X86_64 if X86 && 64BIT
87 select CRYPTO_BLAKE2S_X86 if X86 && 64BIT
88 select CRYPTO_CURVE25519_X86 if X86 && 64BIT
89 select ARM_CRYPTO if ARM
90 select ARM64_CRYPTO if ARM64
91 select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
92 select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
93 select CRYPTO_POLY1305_ARM if ARM
94 select CRYPTO_BLAKE2S_ARM if ARM
95 select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
96 select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
97 select CRYPTO_POLY1305_MIPS if MIPS
98 help
99 WireGuard is a secure, fast, and easy to use replacement for IPSec
100 that uses modern cryptography and clever networking tricks. It's
101 designed to be fairly general purpose and abstract enough to fit most
102 use cases, while at the same time remaining extremely simple to
103 configure. See www.wireguard.com for more info.
104
105 It's safe to say Y or M here, as the driver is very lightweight and
106 is only in use when an administrator chooses to add an interface.
107
108config WIREGUARD_DEBUG
109 bool "Debugging checks and verbose messages"
110 depends on WIREGUARD
111 help
112 This will write log messages for handshake and other events
113 that occur for a WireGuard interface. It will also perform some
114 extra validation checks and unit tests at various points. This is
115 only useful for debugging.
116
117 Say N here unless you know what you're doing.
118
119config EQUALIZER
120 tristate "EQL (serial line load balancing) support"
121 help
122 If you have two serial connections to some other computer (this
123 usually requires two modems and two telephone lines) and you use
124 SLIP (the protocol for sending Internet traffic over telephone
125 lines) or PPP (a better SLIP) on them, you can make them behave like
126 one double speed connection using this driver. Naturally, this has
127 to be supported at the other end as well, either with a similar EQL
128 Linux driver or with a Livingston Portmaster 2e.
129
130 Say Y if you want this and read
131 <file:Documentation/networking/eql.rst>. You may also want to read
132 section 6.2 of the NET-3-HOWTO, available from
133 <http://www.tldp.org/docs.html#howto>.
134
135 To compile this driver as a module, choose M here: the module
136 will be called eql. If unsure, say N.
137
138config NET_FC
139 bool "Fibre Channel driver support"
140 depends on SCSI && PCI
141 help
142 Fibre Channel is a high speed serial protocol mainly used to connect
143 large storage devices to the computer; it is compatible with and
144 intended to replace SCSI.
145
146 If you intend to use Fibre Channel, you need to have a Fibre channel
147 adaptor card in your computer; say Y here and to the driver for your
148 adaptor below. You also should have said Y to "SCSI support" and
149 "SCSI generic support".
150
151config IFB
152 tristate "Intermediate Functional Block support"
153 depends on NET_CLS_ACT
154 select NET_REDIRECT
155 help
156 This is an intermediate driver that allows sharing of
157 resources.
158 To compile this driver as a module, choose M here: the module
159 will be called ifb. If you want to use more than one ifb
160 device at a time, you need to compile this driver as a module.
161 Instead of 'ifb', the devices will then be called 'ifb0',
162 'ifb1' etc.
163 Look at the iproute2 documentation directory for usage etc
164
165source "drivers/net/team/Kconfig"
166
167config MACVLAN
168 tristate "MAC-VLAN support"
169 help
170 This allows one to create virtual interfaces that map packets to
171 or from specific MAC addresses to a particular interface.
172
173 Macvlan devices can be added using the "ip" command from the
174 iproute2 package starting with the iproute2-2.6.23 release:
175
176 "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
177
178 To compile this driver as a module, choose M here: the module
179 will be called macvlan.
180
181config MACVTAP
182 tristate "MAC-VLAN based tap driver"
183 depends on MACVLAN
184 depends on INET
185 select TAP
186 help
187 This adds a specialized tap character device driver that is based
188 on the MAC-VLAN network interface, called macvtap. A macvtap device
189 can be added in the same way as a macvlan device, using 'type
190 macvtap', and then be accessed through the tap user space interface.
191
192 To compile this driver as a module, choose M here: the module
193 will be called macvtap.
194
195config IPVLAN_L3S
196 depends on NETFILTER
197 depends on IPVLAN
198 def_bool y
199 select NET_L3_MASTER_DEV
200
201config IPVLAN
202 tristate "IP-VLAN support"
203 depends on INET
204 depends on IPV6 || !IPV6
205 help
206 This allows one to create virtual devices off of a main interface
207 and packets will be delivered based on the dest L3 (IPv6/IPv4 addr)
208 on packets. All interfaces (including the main interface) share L2
209 making it transparent to the connected L2 switch.
210
211 Ipvlan devices can be added using the "ip" command from the
212 iproute2 package starting with the iproute2-3.19 release:
213
214 "ip link add link <main-dev> [ NAME ] type ipvlan"
215
216 To compile this driver as a module, choose M here: the module
217 will be called ipvlan.
218
219config IPVTAP
220 tristate "IP-VLAN based tap driver"
221 depends on IPVLAN
222 depends on INET
223 select TAP
224 help
225 This adds a specialized tap character device driver that is based
226 on the IP-VLAN network interface, called ipvtap. An ipvtap device
227 can be added in the same way as a ipvlan device, using 'type
228 ipvtap', and then be accessed through the tap user space interface.
229
230 To compile this driver as a module, choose M here: the module
231 will be called ipvtap.
232
233config VXLAN
234 tristate "Virtual eXtensible Local Area Network (VXLAN)"
235 depends on INET
236 select NET_UDP_TUNNEL
237 select GRO_CELLS
238 help
239 This allows one to create vxlan virtual interfaces that provide
240 Layer 2 Networks over Layer 3 Networks. VXLAN is often used
241 to tunnel virtual network infrastructure in virtualized environments.
242 For more information see:
243 http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02
244
245 To compile this driver as a module, choose M here: the module
246 will be called vxlan.
247
248config GENEVE
249 tristate "Generic Network Virtualization Encapsulation"
250 depends on INET
251 depends on IPV6 || !IPV6
252 select NET_UDP_TUNNEL
253 select GRO_CELLS
254 help
255 This allows one to create geneve virtual interfaces that provide
256 Layer 2 Networks over Layer 3 Networks. GENEVE is often used
257 to tunnel virtual network infrastructure in virtualized environments.
258 For more information see:
259 http://tools.ietf.org/html/draft-gross-geneve-02
260
261 To compile this driver as a module, choose M here: the module
262 will be called geneve.
263
264config BAREUDP
265 tristate "Bare UDP Encapsulation"
266 depends on INET
267 depends on IPV6 || !IPV6
268 select NET_UDP_TUNNEL
269 select GRO_CELLS
270 help
271 This adds a bare UDP tunnel module for tunnelling different
272 kinds of traffic like MPLS, IP, etc. inside a UDP tunnel.
273
274 To compile this driver as a module, choose M here: the module
275 will be called bareudp.
276
277config GTP
278 tristate "GPRS Tunneling Protocol datapath (GTP-U)"
279 depends on INET
280 select NET_UDP_TUNNEL
281 help
282 This allows one to create gtp virtual interfaces that provide
283 the GPRS Tunneling Protocol datapath (GTP-U). This tunneling protocol
284 is used to prevent subscribers from accessing mobile carrier core
285 network infrastructure. This driver requires a userspace software that
286 implements the signaling protocol (GTP-C) to update its PDP context
287 base, such as OpenGGSN <http://git.osmocom.org/openggsn/). This
288 tunneling protocol is implemented according to the GSM TS 09.60 and
289 3GPP TS 29.060 standards.
290
291 To compile this drivers as a module, choose M here: the module
292 will be called gtp.
293
294config MACSEC
295 tristate "IEEE 802.1AE MAC-level encryption (MACsec)"
296 select CRYPTO
297 select CRYPTO_AES
298 select CRYPTO_GCM
299 select GRO_CELLS
300 help
301 MACsec is an encryption standard for Ethernet.
302
303config NETCONSOLE
304 tristate "Network console logging support"
305 help
306 If you want to log kernel messages over the network, enable this.
307 See <file:Documentation/networking/netconsole.rst> for details.
308
309config NETCONSOLE_DYNAMIC
310 bool "Dynamic reconfiguration of logging targets"
311 depends on NETCONSOLE && SYSFS && CONFIGFS_FS && \
312 !(NETCONSOLE=y && CONFIGFS_FS=m)
313 help
314 This option enables the ability to dynamically reconfigure target
315 parameters (interface, IP addresses, port numbers, MAC addresses)
316 at runtime through a userspace interface exported using configfs.
317 See <file:Documentation/networking/netconsole.rst> for details.
318
319config NETPOLL
320 def_bool NETCONSOLE
321 select SRCU
322
323config NET_POLL_CONTROLLER
324 def_bool NETPOLL
325
326config NTB_NETDEV
327 tristate "Virtual Ethernet over NTB Transport"
328 depends on NTB_TRANSPORT
329
330config RIONET
331 tristate "RapidIO Ethernet over messaging driver support"
332 depends on RAPIDIO
333
334config RIONET_TX_SIZE
335 int "Number of outbound queue entries"
336 depends on RIONET
337 default "128"
338
339config RIONET_RX_SIZE
340 int "Number of inbound queue entries"
341 depends on RIONET
342 default "128"
343
344config TUN
345 tristate "Universal TUN/TAP device driver support"
346 depends on INET
347 select CRC32
348 help
349 TUN/TAP provides packet reception and transmission for user space
350 programs. It can be viewed as a simple Point-to-Point or Ethernet
351 device, which instead of receiving packets from a physical media,
352 receives them from user space program and instead of sending packets
353 via physical media writes them to the user space program.
354
355 When a program opens /dev/net/tun, driver creates and registers
356 corresponding net device tunX or tapX. After a program closed above
357 devices, driver will automatically delete tunXX or tapXX device and
358 all routes corresponding to it.
359
360 Please read <file:Documentation/networking/tuntap.rst> for more
361 information.
362
363 To compile this driver as a module, choose M here: the module
364 will be called tun.
365
366 If you don't know what to use this for, you don't need it.
367
368config TAP
369 tristate
370 help
371 This option is selected by any driver implementing tap user space
372 interface for a virtual interface to re-use core tap functionality.
373
374config TUN_VNET_CROSS_LE
375 bool "Support for cross-endian vnet headers on little-endian kernels"
376 default n
377 help
378 This option allows TUN/TAP and MACVTAP device drivers in a
379 little-endian kernel to parse vnet headers that come from a
380 big-endian legacy virtio device.
381
382 Userspace programs can control the feature using the TUNSETVNETBE
383 and TUNGETVNETBE ioctls.
384
385 Unless you have a little-endian system hosting a big-endian virtual
386 machine with a legacy virtio NIC, you should say N.
387
388config VETH
389 tristate "Virtual ethernet pair device"
390 help
391 This device is a local ethernet tunnel. Devices are created in pairs.
392 When one end receives the packet it appears on its pair and vice
393 versa.
394
395config VIRTIO_NET
396 tristate "Virtio network driver"
397 depends on VIRTIO
398 select NET_FAILOVER
399 help
400 This is the virtual network driver for virtio. It can be used with
401 QEMU based VMMs (like KVM or Xen). Say Y or M.
402
403config NLMON
404 tristate "Virtual netlink monitoring device"
405 help
406 This option enables a monitoring net device for netlink skbs. The
407 purpose of this is to analyze netlink messages with packet sockets.
408 Thus applications like tcpdump will be able to see local netlink
409 messages if they tap into the netlink device, record pcaps for further
410 diagnostics, etc. This is mostly intended for developers or support
411 to debug netlink issues. If unsure, say N.
412
413config NET_VRF
414 tristate "Virtual Routing and Forwarding (Lite)"
415 depends on IP_MULTIPLE_TABLES
416 depends on NET_L3_MASTER_DEV
417 depends on IPV6 || IPV6=n
418 depends on IPV6_MULTIPLE_TABLES || IPV6=n
419 help
420 This option enables the support for mapping interfaces into VRF's. The
421 support enables VRF devices.
422
423config VSOCKMON
424 tristate "Virtual vsock monitoring device"
425 depends on VHOST_VSOCK
426 help
427 This option enables a monitoring net device for vsock sockets. It is
428 mostly intended for developers or support to debug vsock issues. If
429 unsure, say N.
430
431config MHI_NET
432 tristate "MHI network driver"
433 depends on MHI_BUS
434 select WWAN
435 help
436 This is the network driver for MHI bus. It can be used with
437 QCOM based WWAN modems (like SDX55). Say Y or M.
438
439endif # NET_CORE
440
441config SUNGEM_PHY
442 tristate
443
444source "drivers/net/arcnet/Kconfig"
445
446source "drivers/atm/Kconfig"
447
448source "drivers/net/caif/Kconfig"
449
450source "drivers/net/dsa/Kconfig"
451
452source "drivers/net/ethernet/Kconfig"
453
454source "drivers/net/fddi/Kconfig"
455
456source "drivers/net/hippi/Kconfig"
457
458source "drivers/net/ipa/Kconfig"
459
460config NET_SB1000
461 tristate "General Instruments Surfboard 1000"
462 depends on PNP
463 help
464 This is a driver for the General Instrument (also known as
465 NextLevel) SURFboard 1000 internal
466 cable modem. This is an ISA card which is used by a number of cable
467 TV companies to provide cable modem access. It's a one-way
468 downstream-only cable modem, meaning that your upstream net link is
469 provided by your regular phone modem.
470
471 At present this driver only compiles as a module, so say M here if
472 you have this card. The module will be called sb1000. Then read
473 <file:Documentation/networking/device_drivers/cable/sb1000.rst> for
474 information on how to use this module, as it needs special ppp
475 scripts for establishing a connection. Further documentation
476 and the necessary scripts can be found at:
477
478 <http://www.jacksonville.net/~fventuri/>
479 <http://home.adelphia.net/~siglercm/sb1000.html>
480 <http://linuxpower.cx/~cable/>
481
482 If you don't have this card, of course say N.
483
484source "drivers/net/phy/Kconfig"
485
486source "drivers/net/mdio/Kconfig"
487
488source "drivers/net/pcs/Kconfig"
489
490source "drivers/net/plip/Kconfig"
491
492source "drivers/net/ppp/Kconfig"
493
494source "drivers/net/slip/Kconfig"
495
496source "drivers/s390/net/Kconfig"
497
498source "drivers/net/usb/Kconfig"
499
500source "drivers/net/wireless/Kconfig"
501
502source "drivers/net/wan/Kconfig"
503
504source "drivers/net/ieee802154/Kconfig"
505
506source "drivers/net/wwan/Kconfig"
507
508config XEN_NETDEV_FRONTEND
509 tristate "Xen network device frontend driver"
510 depends on XEN
511 select XEN_XENBUS_FRONTEND
512 select PAGE_POOL
513 default y
514 help
515 This driver provides support for Xen paravirtual network
516 devices exported by a Xen network driver domain (often
517 domain 0).
518
519 The corresponding Linux backend driver is enabled by the
520 CONFIG_XEN_NETDEV_BACKEND option.
521
522 If you are compiling a kernel for use as Xen guest, you
523 should say Y here. To compile this driver as a module, chose
524 M here: the module will be called xen-netfront.
525
526config XEN_NETDEV_BACKEND
527 tristate "Xen backend network device"
528 depends on XEN_BACKEND
529 help
530 This driver allows the kernel to act as a Xen network driver
531 domain which exports paravirtual network devices to other
532 Xen domains. These devices can be accessed by any operating
533 system that implements a compatible front end.
534
535 The corresponding Linux frontend driver is enabled by the
536 CONFIG_XEN_NETDEV_FRONTEND configuration option.
537
538 The backend driver presents a standard network device
539 endpoint for each paravirtual network device to the driver
540 domain network stack. These can then be bridged or routed
541 etc in order to provide full network connectivity.
542
543 If you are compiling a kernel to run in a Xen network driver
544 domain (often this is domain 0) you should say Y here. To
545 compile this driver as a module, chose M here: the module
546 will be called xen-netback.
547
548config VMXNET3
549 tristate "VMware VMXNET3 ethernet driver"
550 depends on PCI && INET
551 depends on !(PAGE_SIZE_64KB || ARM64_64K_PAGES || \
552 IA64_PAGE_SIZE_64KB || MICROBLAZE_64K_PAGES || \
553 PARISC_PAGE_SIZE_64KB || PPC_64K_PAGES)
554 help
555 This driver supports VMware's vmxnet3 virtual ethernet NIC.
556 To compile this driver as a module, choose M here: the
557 module will be called vmxnet3.
558
559config FUJITSU_ES
560 tristate "FUJITSU Extended Socket Network Device driver"
561 depends on ACPI
562 help
563 This driver provides support for Extended Socket network device
564 on Extended Partitioning of FUJITSU PRIMEQUEST 2000 E2 series.
565
566config USB4_NET
567 tristate "Networking over USB4 and Thunderbolt cables"
568 depends on USB4 && INET
569 help
570 Select this if you want to create network between two computers
571 over a USB4 and Thunderbolt cables. The driver supports Apple
572 ThunderboltIP protocol and allows communication with any host
573 supporting the same protocol including Windows and macOS.
574
575 To compile this driver a module, choose M here. The module will be
576 called thunderbolt-net.
577
578source "drivers/net/hyperv/Kconfig"
579
580config NETDEVSIM
581 tristate "Simulated networking device"
582 depends on DEBUG_FS
583 depends on INET
584 depends on IPV6 || IPV6=n
585 depends on PSAMPLE || PSAMPLE=n
586 select NET_DEVLINK
587 help
588 This driver is a developer testing tool and software model that can
589 be used to test various control path networking APIs, especially
590 HW-offload related.
591
592 To compile this driver as a module, choose M here: the module
593 will be called netdevsim.
594
595config NET_FAILOVER
596 tristate "Failover driver"
597 select FAILOVER
598 help
599 This provides an automated failover mechanism via APIs to create
600 and destroy a failover master netdev and manages a primary and
601 standby slave netdevs that get registered via the generic failover
602 infrastructure. This can be used by paravirtual drivers to enable
603 an alternate low latency datapath. It also enables live migration of
604 a VM with direct attached VF by failing over to the paravirtual
605 datapath when the VF is unplugged.
606
607endif # NETDEVICES