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