1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Network configuration 2 # Network configuration
4 # 3 #
5 4
6 menuconfig NET 5 menuconfig NET
7 bool "Networking support" 6 bool "Networking support"
8 select NLATTR 7 select NLATTR
9 select GENERIC_NET_UTILS !! 8 ---help---
10 select BPF <<
11 help <<
12 Unless you really know what you are 9 Unless you really know what you are doing, you should say Y here.
13 The reason is that some programs nee 10 The reason is that some programs need kernel networking support even
14 when running on a stand-alone machin 11 when running on a stand-alone machine that isn't connected to any
15 other computer. 12 other computer.
16 !! 13
17 If you are upgrading from an older k 14 If you are upgrading from an older kernel, you
18 should consider updating your networ 15 should consider updating your networking tools too because changes
19 in the kernel and the tools often go 16 in the kernel and the tools often go hand in hand. The tools are
20 contained in the package net-tools, 17 contained in the package net-tools, the location and version number
21 of which are given in <file:Document 18 of which are given in <file:Documentation/Changes>.
22 19
23 For a general introduction to Linux 20 For a general introduction to Linux networking, it is highly
24 recommended to read the NET-HOWTO, a 21 recommended to read the NET-HOWTO, available from
25 <http://www.tldp.org/docs.html#howto 22 <http://www.tldp.org/docs.html#howto>.
26 23
27 if NET 24 if NET
28 25
29 config WANT_COMPAT_NETLINK_MESSAGES 26 config WANT_COMPAT_NETLINK_MESSAGES
30 bool 27 bool
31 help 28 help
32 This option can be selected by other 29 This option can be selected by other options that need compat
33 netlink messages. 30 netlink messages.
34 31
35 config COMPAT_NETLINK_MESSAGES 32 config COMPAT_NETLINK_MESSAGES
36 def_bool y 33 def_bool y
37 depends on COMPAT 34 depends on COMPAT
38 depends on WEXT_CORE || WANT_COMPAT_NE 35 depends on WEXT_CORE || WANT_COMPAT_NETLINK_MESSAGES
39 help 36 help
40 This option makes it possible to sen 37 This option makes it possible to send different netlink messages
41 to tasks depending on whether the ta 38 to tasks depending on whether the task is a compat task or not. To
42 achieve this, you need to set skb_sh 39 achieve this, you need to set skb_shinfo(skb)->frag_list to the
43 compat skb before sending the skb, t 40 compat skb before sending the skb, the netlink code will sort out
44 which message to actually pass to th 41 which message to actually pass to the task.
45 42
46 Newly written code should NEVER need 43 Newly written code should NEVER need this option but do
47 compat-independent messages instead! 44 compat-independent messages instead!
48 45
49 config NET_INGRESS <<
50 bool <<
51 <<
52 config NET_EGRESS <<
53 bool <<
54 <<
55 config NET_XGRESS <<
56 select NET_INGRESS <<
57 select NET_EGRESS <<
58 bool <<
59 <<
60 config NET_REDIRECT <<
61 bool <<
62 <<
63 config SKB_DECRYPTED <<
64 bool <<
65 <<
66 config SKB_EXTENSIONS <<
67 bool <<
68 <<
69 config NET_DEVMEM <<
70 def_bool y <<
71 depends on DMA_SHARED_BUFFER <<
72 depends on GENERIC_ALLOCATOR <<
73 depends on PAGE_POOL <<
74 <<
75 menu "Networking options" 46 menu "Networking options"
76 47
77 source "net/packet/Kconfig" 48 source "net/packet/Kconfig"
78 source "net/unix/Kconfig" 49 source "net/unix/Kconfig"
79 source "net/tls/Kconfig" <<
80 source "net/xfrm/Kconfig" 50 source "net/xfrm/Kconfig"
81 source "net/iucv/Kconfig" 51 source "net/iucv/Kconfig"
82 source "net/smc/Kconfig" <<
83 source "net/xdp/Kconfig" <<
84 <<
85 config NET_HANDSHAKE <<
86 bool <<
87 depends on SUNRPC || NVME_TARGET_TCP | <<
88 default y <<
89 <<
90 config NET_HANDSHAKE_KUNIT_TEST <<
91 tristate "KUnit tests for the handshak <<
92 default KUNIT_ALL_TESTS <<
93 depends on KUNIT <<
94 help <<
95 This builds the KUnit tests for the <<
96 <<
97 KUnit tests run during boot and outp <<
98 log in TAP format (https://testanyth <<
99 kernel devs running KUnit test harne <<
100 into a production build. <<
101 <<
102 For more information on KUnit and un <<
103 to the KUnit documentation in Docume <<
104 52
105 config INET 53 config INET
106 bool "TCP/IP networking" 54 bool "TCP/IP networking"
107 help !! 55 select CRYPTO
>> 56 select CRYPTO_AES
>> 57 ---help---
108 These are the protocols used on the 58 These are the protocols used on the Internet and on most local
109 Ethernets. It is highly recommended 59 Ethernets. It is highly recommended to say Y here (this will enlarge
110 your kernel by about 400 KB), since 60 your kernel by about 400 KB), since some programs (e.g. the X window
111 system) use TCP/IP even if your mach 61 system) use TCP/IP even if your machine is not connected to any
112 other computer. You will get the so- 62 other computer. You will get the so-called loopback device which
113 allows you to ping yourself (great f 63 allows you to ping yourself (great fun, that!).
114 64
115 For an excellent introduction to Lin 65 For an excellent introduction to Linux networking, please read the
116 Linux Networking HOWTO, available fr 66 Linux Networking HOWTO, available from
117 <http://www.tldp.org/docs.html#howto 67 <http://www.tldp.org/docs.html#howto>.
118 68
119 If you say Y here and also to "/proc 69 If you say Y here and also to "/proc file system support" and
120 "Sysctl support" below, you can chan 70 "Sysctl support" below, you can change various aspects of the
121 behavior of the TCP/IP code by writi 71 behavior of the TCP/IP code by writing to the (virtual) files in
122 /proc/sys/net/ipv4/*; the options ar 72 /proc/sys/net/ipv4/*; the options are explained in the file
123 <file:Documentation/networking/ip-sy !! 73 <file:Documentation/networking/ip-sysctl.txt>.
124 74
125 Short answer: say Y. 75 Short answer: say Y.
126 76
127 if INET 77 if INET
128 source "net/ipv4/Kconfig" 78 source "net/ipv4/Kconfig"
129 source "net/ipv6/Kconfig" 79 source "net/ipv6/Kconfig"
130 source "net/netlabel/Kconfig" 80 source "net/netlabel/Kconfig"
131 source "net/mptcp/Kconfig" <<
132 81
133 endif # if INET 82 endif # if INET
134 83
135 config NETWORK_SECMARK 84 config NETWORK_SECMARK
136 bool "Security Marking" 85 bool "Security Marking"
137 help 86 help
138 This enables security marking of net 87 This enables security marking of network packets, similar
139 to nfmark, but designated for securi 88 to nfmark, but designated for security purposes.
140 If you are unsure how to answer this 89 If you are unsure how to answer this question, answer N.
141 90
142 config NET_PTP_CLASSIFY <<
143 def_bool n <<
144 <<
145 config NETWORK_PHY_TIMESTAMPING 91 config NETWORK_PHY_TIMESTAMPING
146 bool "Timestamping in PHY devices" 92 bool "Timestamping in PHY devices"
147 select NET_PTP_CLASSIFY <<
148 help 93 help
149 This allows timestamping of network !! 94 This allows timestamping of network packets by PHYs with
150 other MII bus snooping devices) with !! 95 hardware timestamping capabilities. This option adds some
151 capabilities. This option adds some !! 96 overhead in the transmit and receive paths.
152 and receive paths. <<
153 97
154 If you are unsure how to answer this 98 If you are unsure how to answer this question, answer N.
155 99
156 menuconfig NETFILTER 100 menuconfig NETFILTER
157 bool "Network packet filtering framewo 101 bool "Network packet filtering framework (Netfilter)"
158 help !! 102 ---help---
159 Netfilter is a framework for filteri 103 Netfilter is a framework for filtering and mangling network packets
160 that pass through your Linux box. 104 that pass through your Linux box.
161 105
162 The most common use of packet filter 106 The most common use of packet filtering is to run your Linux box as
163 a firewall protecting a local networ 107 a firewall protecting a local network from the Internet. The type of
164 firewall provided by this kernel sup 108 firewall provided by this kernel support is called a "packet
165 filter", which means that it can rej 109 filter", which means that it can reject individual network packets
166 based on type, source, destination e 110 based on type, source, destination etc. The other kind of firewall,
167 a "proxy-based" one, is more secure 111 a "proxy-based" one, is more secure but more intrusive and more
168 bothersome to set up; it inspects th 112 bothersome to set up; it inspects the network traffic much more
169 closely, modifies it and has knowled 113 closely, modifies it and has knowledge about the higher level
170 protocols, which a packet filter lac 114 protocols, which a packet filter lacks. Moreover, proxy-based
171 firewalls often require changes to t 115 firewalls often require changes to the programs running on the local
172 clients. Proxy-based firewalls don't 116 clients. Proxy-based firewalls don't need support by the kernel, but
173 they are often combined with a packe 117 they are often combined with a packet filter, which only works if
174 you say Y here. 118 you say Y here.
175 119
176 You should also say Y here if you in 120 You should also say Y here if you intend to use your Linux box as
177 the gateway to the Internet for a lo 121 the gateway to the Internet for a local network of machines without
178 globally valid IP addresses. This is 122 globally valid IP addresses. This is called "masquerading": if one
179 of the computers on your local netwo 123 of the computers on your local network wants to send something to
180 the outside, your box can "masquerad 124 the outside, your box can "masquerade" as that computer, i.e. it
181 forwards the traffic to the intended 125 forwards the traffic to the intended outside destination, but
182 modifies the packets to make it look 126 modifies the packets to make it look like they came from the
183 firewall box itself. It works both w 127 firewall box itself. It works both ways: if the outside host
184 replies, the Linux box will silently 128 replies, the Linux box will silently forward the traffic to the
185 correct local computer. This way, th 129 correct local computer. This way, the computers on your local net
186 are completely invisible to the outs 130 are completely invisible to the outside world, even though they can
187 reach the outside and can receive re 131 reach the outside and can receive replies. It is even possible to
188 run globally visible servers from wi 132 run globally visible servers from within a masqueraded local network
189 using a mechanism called portforward 133 using a mechanism called portforwarding. Masquerading is also often
190 called NAT (Network Address Translat 134 called NAT (Network Address Translation).
191 135
192 Another use of Netfilter is in trans 136 Another use of Netfilter is in transparent proxying: if a machine on
193 the local network tries to connect t 137 the local network tries to connect to an outside host, your Linux
194 box can transparently forward the tr 138 box can transparently forward the traffic to a local server,
195 typically a caching proxy server. 139 typically a caching proxy server.
196 140
197 Yet another use of Netfilter is buil 141 Yet another use of Netfilter is building a bridging firewall. Using
198 a bridge with Network packet filteri 142 a bridge with Network packet filtering enabled makes iptables "see"
199 the bridged traffic. For filtering o 143 the bridged traffic. For filtering on the lower network and Ethernet
200 protocols over the bridge, use ebtab 144 protocols over the bridge, use ebtables (under bridge netfilter
201 configuration). 145 configuration).
202 146
203 Various modules exist for netfilter 147 Various modules exist for netfilter which replace the previous
204 masquerading (ipmasqadm), packet fil 148 masquerading (ipmasqadm), packet filtering (ipchains), transparent
205 proxying, and portforwarding mechani 149 proxying, and portforwarding mechanisms. Please see
206 <file:Documentation/Changes> under " 150 <file:Documentation/Changes> under "iptables" for the location of
207 these packages. 151 these packages.
208 152
209 if NETFILTER 153 if NETFILTER
210 154
>> 155 config NETFILTER_DEBUG
>> 156 bool "Network packet filtering debugging"
>> 157 depends on NETFILTER
>> 158 help
>> 159 You can say Y here if you want to get additional messages useful in
>> 160 debugging the netfilter code.
>> 161
211 config NETFILTER_ADVANCED 162 config NETFILTER_ADVANCED
212 bool "Advanced netfilter configuration 163 bool "Advanced netfilter configuration"
213 depends on NETFILTER 164 depends on NETFILTER
214 default y 165 default y
215 help 166 help
216 If you say Y here you can select bet 167 If you say Y here you can select between all the netfilter modules.
217 If you say N the more unusual ones w 168 If you say N the more unusual ones will not be shown and the
218 basic ones needed by most people wil 169 basic ones needed by most people will default to 'M'.
219 170
220 If unsure, say Y. 171 If unsure, say Y.
221 172
222 config BRIDGE_NETFILTER 173 config BRIDGE_NETFILTER
223 tristate "Bridged IP/ARP packets filte !! 174 bool "Bridged IP/ARP packets filtering"
224 depends on BRIDGE !! 175 depends on BRIDGE && NETFILTER && INET
225 depends on NETFILTER && INET <<
226 depends on NETFILTER_ADVANCED 176 depends on NETFILTER_ADVANCED
227 select NETFILTER_FAMILY_BRIDGE !! 177 default y
228 select SKB_EXTENSIONS !! 178 ---help---
229 help <<
230 Enabling this option will let arptab 179 Enabling this option will let arptables resp. iptables see bridged
231 ARP resp. IP traffic. If you want a 180 ARP resp. IP traffic. If you want a bridging firewall, you probably
232 want this option enabled. 181 want this option enabled.
233 Enabling or disabling this option do 182 Enabling or disabling this option doesn't enable or disable
234 ebtables. 183 ebtables.
235 184
236 If unsure, say N. 185 If unsure, say N.
237 186
238 source "net/netfilter/Kconfig" 187 source "net/netfilter/Kconfig"
239 source "net/ipv4/netfilter/Kconfig" 188 source "net/ipv4/netfilter/Kconfig"
240 source "net/ipv6/netfilter/Kconfig" 189 source "net/ipv6/netfilter/Kconfig"
>> 190 source "net/decnet/netfilter/Kconfig"
241 source "net/bridge/netfilter/Kconfig" 191 source "net/bridge/netfilter/Kconfig"
242 192
243 endif 193 endif
244 194
245 source "net/dccp/Kconfig" 195 source "net/dccp/Kconfig"
246 source "net/sctp/Kconfig" 196 source "net/sctp/Kconfig"
247 source "net/rds/Kconfig" 197 source "net/rds/Kconfig"
248 source "net/tipc/Kconfig" 198 source "net/tipc/Kconfig"
249 source "net/atm/Kconfig" 199 source "net/atm/Kconfig"
250 source "net/l2tp/Kconfig" 200 source "net/l2tp/Kconfig"
251 source "net/802/Kconfig" 201 source "net/802/Kconfig"
252 source "net/bridge/Kconfig" 202 source "net/bridge/Kconfig"
253 source "net/dsa/Kconfig" 203 source "net/dsa/Kconfig"
254 source "net/8021q/Kconfig" 204 source "net/8021q/Kconfig"
>> 205 source "net/decnet/Kconfig"
255 source "net/llc/Kconfig" 206 source "net/llc/Kconfig"
256 source "net/appletalk/Kconfig" !! 207 source "net/ipx/Kconfig"
>> 208 source "drivers/net/appletalk/Kconfig"
257 source "net/x25/Kconfig" 209 source "net/x25/Kconfig"
258 source "net/lapb/Kconfig" 210 source "net/lapb/Kconfig"
259 source "net/phonet/Kconfig" 211 source "net/phonet/Kconfig"
260 source "net/6lowpan/Kconfig" <<
261 source "net/ieee802154/Kconfig" 212 source "net/ieee802154/Kconfig"
262 source "net/mac802154/Kconfig" 213 source "net/mac802154/Kconfig"
263 source "net/sched/Kconfig" 214 source "net/sched/Kconfig"
264 source "net/dcb/Kconfig" 215 source "net/dcb/Kconfig"
265 source "net/dns_resolver/Kconfig" 216 source "net/dns_resolver/Kconfig"
266 source "net/batman-adv/Kconfig" 217 source "net/batman-adv/Kconfig"
267 source "net/openvswitch/Kconfig" 218 source "net/openvswitch/Kconfig"
268 source "net/vmw_vsock/Kconfig" 219 source "net/vmw_vsock/Kconfig"
269 source "net/netlink/Kconfig" 220 source "net/netlink/Kconfig"
270 source "net/mpls/Kconfig" <<
271 source "net/nsh/Kconfig" <<
272 source "net/hsr/Kconfig" <<
273 source "net/switchdev/Kconfig" <<
274 source "net/l3mdev/Kconfig" <<
275 source "net/qrtr/Kconfig" <<
276 source "net/ncsi/Kconfig" <<
277 <<
278 config PCPU_DEV_REFCNT <<
279 bool "Use percpu variables to maintain <<
280 depends on SMP <<
281 default y <<
282 help <<
283 network device refcount are using pe <<
284 This can be forced to N to detect un <<
285 <<
286 config MAX_SKB_FRAGS <<
287 int "Maximum number of fragments per s <<
288 range 17 45 <<
289 default 17 <<
290 help <<
291 Having more fragments per skb_shared <<
292 This helps BIG TCP workloads, but mi <<
293 legacy drivers. <<
294 This also increases memory overhead <<
295 and in drivers using build_skb(). <<
296 If unsure, say 17. <<
297 221
298 config RPS 222 config RPS
299 bool "Receive packet steering" !! 223 boolean
300 depends on SMP && SYSFS !! 224 depends on SMP && SYSFS && USE_GENERIC_SMP_HELPERS
301 default y 225 default y
302 help <<
303 Software receive side packet steerin <<
304 load of received packet processing a <<
305 226
306 config RFS_ACCEL 227 config RFS_ACCEL
307 bool "Hardware acceleration of RFS" !! 228 boolean
308 depends on RPS !! 229 depends on RPS && GENERIC_HARDIRQS
309 select CPU_RMAP 230 select CPU_RMAP
310 default y 231 default y
311 help <<
312 Allowing drivers for multiqueue hard <<
313 accelerate RFS. <<
314 <<
315 config SOCK_RX_QUEUE_MAPPING <<
316 bool <<
317 232
318 config XPS 233 config XPS
319 bool !! 234 boolean
320 depends on SMP !! 235 depends on SMP && USE_GENERIC_SMP_HELPERS
321 select SOCK_RX_QUEUE_MAPPING <<
322 default y 236 default y
323 237
324 config HWBM !! 238 config NETPRIO_CGROUP
325 bool !! 239 tristate "Network priority cgroup"
326 <<
327 config CGROUP_NET_PRIO <<
328 bool "Network priority cgroup" <<
329 depends on CGROUPS 240 depends on CGROUPS
330 select SOCK_CGROUP_DATA !! 241 ---help---
331 help <<
332 Cgroup subsystem for use in assignin 242 Cgroup subsystem for use in assigning processes to network priorities on
333 a per-interface basis. !! 243 a per-interface basis
334 <<
335 config CGROUP_NET_CLASSID <<
336 bool "Network classid cgroup" <<
337 depends on CGROUPS <<
338 select SOCK_CGROUP_DATA <<
339 help <<
340 Cgroup subsystem for use as general <<
341 being used in cls_cgroup and for net <<
342 <<
343 config NET_RX_BUSY_POLL <<
344 bool <<
345 default y if !PREEMPT_RT || (PREEMPT_R <<
346 244
347 config BQL 245 config BQL
348 bool !! 246 boolean
349 prompt "Enable Byte Queue Limits" <<
350 depends on SYSFS 247 depends on SYSFS
351 select DQL 248 select DQL
352 default y 249 default y
353 250
354 config BPF_STREAM_PARSER !! 251 config BPF_JIT
355 bool "enable BPF STREAM_PARSER" !! 252 bool "enable BPF Just In Time compiler"
356 depends on INET !! 253 depends on HAVE_BPF_JIT
357 depends on BPF_SYSCALL !! 254 depends on MODULES
358 depends on CGROUP_BPF !! 255 ---help---
359 select STREAM_PARSER !! 256 Berkeley Packet Filter filtering capabilities are normally handled
360 select NET_SOCK_MSG !! 257 by an interpreter. This option allows kernel to generate a native
361 help !! 258 code when filter is loaded in memory. This should speedup
362 Enabling this allows a TCP stream pa !! 259 packet sniffing (libpcap/tcpdump). Note : Admin should enable
363 BPF_MAP_TYPE_SOCKMAP. !! 260 this feature changing /proc/sys/net/core/bpf_jit_enable
364 <<
365 config NET_FLOW_LIMIT <<
366 bool "Net flow limit" <<
367 depends on RPS <<
368 default y <<
369 help <<
370 The network stack has to drop packet <<
371 backlog reaches netdev_max_backlog. <<
372 generate the vast majority of load, <<
373 maintain capacity for the other flow <<
374 with many clients some protection ag <<
375 flow that greatly exceeds average wo <<
376 261
377 menu "Network testing" 262 menu "Network testing"
378 263
379 config NET_PKTGEN 264 config NET_PKTGEN
380 tristate "Packet Generator (USE WITH C 265 tristate "Packet Generator (USE WITH CAUTION)"
381 depends on INET && PROC_FS !! 266 depends on PROC_FS
382 help !! 267 ---help---
383 This module will inject preconfigure 268 This module will inject preconfigured packets, at a configurable
384 rate, out of a given interface. It 269 rate, out of a given interface. It is used for network interface
385 stress testing and performance analy 270 stress testing and performance analysis. If you don't understand
386 what was just said, you don't need i 271 what was just said, you don't need it: say N.
387 272
388 Documentation on how to use the pack 273 Documentation on how to use the packet generator can be found
389 at <file:Documentation/networking/pk !! 274 at <file:Documentation/networking/pktgen.txt>.
390 275
391 To compile this code as a module, ch 276 To compile this code as a module, choose M here: the
392 module will be called pktgen. 277 module will be called pktgen.
393 278
>> 279 config NET_TCPPROBE
>> 280 tristate "TCP connection probing"
>> 281 depends on INET && PROC_FS && KPROBES
>> 282 ---help---
>> 283 This module allows for capturing the changes to TCP connection
>> 284 state in response to incoming packets. It is used for debugging
>> 285 TCP congestion avoidance modules. If you don't understand
>> 286 what was just said, you don't need it: say N.
>> 287
>> 288 Documentation on how to use TCP connection probing can be found
>> 289 at:
>> 290
>> 291 http://www.linuxfoundation.org/collaborate/workgroups/networking/tcpprobe
>> 292
>> 293 To compile this code as a module, choose M here: the
>> 294 module will be called tcp_probe.
>> 295
394 config NET_DROP_MONITOR 296 config NET_DROP_MONITOR
395 tristate "Network packet drop alerting 297 tristate "Network packet drop alerting service"
396 depends on INET && TRACEPOINTS 298 depends on INET && TRACEPOINTS
397 help !! 299 ---help---
398 This feature provides an alerting se !! 300 This feature provides an alerting service to userspace in the
399 event that packets are discarded in !! 301 event that packets are discarded in the network stack. Alerts
400 are broadcast via netlink socket to !! 302 are broadcast via netlink socket to any listening user space
401 process. If you don't need network !! 303 process. If you don't need network drop alerts, or if you are ok
402 just checking the various proc files !! 304 just checking the various proc files and other utilities for
403 drop statistics, say N here. !! 305 drop statistics, say N here.
404 306
405 endmenu 307 endmenu
406 308
407 endmenu 309 endmenu
408 310
409 source "net/ax25/Kconfig" 311 source "net/ax25/Kconfig"
410 source "net/can/Kconfig" 312 source "net/can/Kconfig"
>> 313 source "net/irda/Kconfig"
411 source "net/bluetooth/Kconfig" 314 source "net/bluetooth/Kconfig"
412 source "net/rxrpc/Kconfig" 315 source "net/rxrpc/Kconfig"
413 source "net/kcm/Kconfig" <<
414 source "net/strparser/Kconfig" <<
415 source "net/mctp/Kconfig" <<
416 316
417 config FIB_RULES 317 config FIB_RULES
418 bool 318 bool
419 319
420 menuconfig WIRELESS 320 menuconfig WIRELESS
421 bool "Wireless" 321 bool "Wireless"
422 depends on !S390 322 depends on !S390
423 default y 323 default y
424 324
425 if WIRELESS 325 if WIRELESS
426 326
427 source "net/wireless/Kconfig" 327 source "net/wireless/Kconfig"
428 source "net/mac80211/Kconfig" 328 source "net/mac80211/Kconfig"
429 329
430 endif # WIRELESS 330 endif # WIRELESS
431 331
>> 332 source "net/wimax/Kconfig"
>> 333
432 source "net/rfkill/Kconfig" 334 source "net/rfkill/Kconfig"
433 source "net/9p/Kconfig" 335 source "net/9p/Kconfig"
434 source "net/caif/Kconfig" 336 source "net/caif/Kconfig"
435 source "net/ceph/Kconfig" 337 source "net/ceph/Kconfig"
436 source "net/nfc/Kconfig" 338 source "net/nfc/Kconfig"
437 source "net/psample/Kconfig" <<
438 source "net/ife/Kconfig" <<
439 <<
440 config LWTUNNEL <<
441 bool "Network light weight tunnels" <<
442 help <<
443 This feature provides an infrastruct <<
444 tunnels like mpls. There is no netde <<
445 weight tunnel endpoint. Tunnel encap <<
446 with light weight tunnel state assoc <<
447 <<
448 config LWTUNNEL_BPF <<
449 bool "Execute BPF program as route nex <<
450 depends on LWTUNNEL && INET <<
451 default y if LWTUNNEL=y <<
452 help <<
453 Allows to run BPF programs as a next <<
454 lookup for incoming and outgoing pac <<
455 339
456 config DST_CACHE <<
457 bool <<
458 default n <<
459 <<
460 config GRO_CELLS <<
461 bool <<
462 default n <<
463 <<
464 config SOCK_VALIDATE_XMIT <<
465 bool <<
466 340
467 config NET_IEEE8021Q_HELPERS !! 341 endif # if NET
468 bool <<
469 <<
470 config NET_SELFTESTS <<
471 def_tristate PHYLIB <<
472 depends on PHYLIB && INET <<
473 <<
474 config NET_SOCK_MSG <<
475 bool <<
476 default n <<
477 help <<
478 The NET_SOCK_MSG provides a framewor <<
479 ULPs (upper layer modules, e.g. TLS) <<
480 with the help of BPF programs. <<
481 <<
482 config NET_DEVLINK <<
483 bool <<
484 default n <<
485 342
486 config PAGE_POOL !! 343 # Used by archs to tell that they support BPF_JIT
>> 344 config HAVE_BPF_JIT
487 bool 345 bool
488 <<
489 config PAGE_POOL_STATS <<
490 default n <<
491 bool "Page pool stats" <<
492 depends on PAGE_POOL <<
493 help <<
494 Enable page pool statistics to track <<
495 in page pools. This option incurs ad <<
496 and recycle paths and additional mem <<
497 These statistics are only available <<
498 the driver using the page pool suppo <<
499 <<
500 If unsure, say N. <<
501 <<
502 config FAILOVER <<
503 tristate "Generic failover module" <<
504 help <<
505 The failover module provides a gener <<
506 drivers to register a netdev and a s <<
507 instance. The ops are used as event <<
508 handle netdev register/unregister/li <<
509 on slave pci ethernet devices with t <<
510 failover netdev. This enables paravi <<
511 VF as an accelerated low latency dat <<
512 migration of VMs with direct attache <<
513 paravirtual datapath when the VF is <<
514 <<
515 config ETHTOOL_NETLINK <<
516 bool "Netlink interface for ethtool" <<
517 select DIMLIB <<
518 default y <<
519 help <<
520 An alternative userspace interface f <<
521 netlink. It provides better extensib <<
522 e.g. notification messages. <<
523 <<
524 config NETDEV_ADDR_LIST_TEST <<
525 tristate "Unit tests for device addres <<
526 default KUNIT_ALL_TESTS <<
527 depends on KUNIT <<
528 <<
529 config NET_TEST <<
530 tristate "KUnit tests for networking" <<
531 depends on KUNIT <<
532 default KUNIT_ALL_TESTS <<
533 help <<
534 KUnit tests covering core networking <<
535 <<
536 If unsure, say N. <<
537 <<
538 endif # if NET <<
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