#
config IP_MULTICAST
bool "IP: multicasting"
- depends on INET
help
This is code for addressing several networked computers at once,
enlarging your kernel by about 2 KB. You need multicasting if you
config IP_ADVANCED_ROUTER
bool "IP: advanced router"
- depends on INET
---help---
If you intend to run your Linux box mostly as a router, i.e. as a
computer that forwards and redistributes network packets, say Y; you
choice
prompt "Choose IP: FIB lookup algorithm (choose FIB_HASH if unsure)"
depends on IP_ADVANCED_ROUTER
- default IP_FIB_HASH
+ default ASK_IP_FIB_HASH
-config IP_FIB_HASH
+config ASK_IP_FIB_HASH
bool "FIB_HASH"
---help---
Current FIB is very proven and good enough for most users.
endchoice
-# If the user does not enable advanced routing, he gets the safe
-# default of the fib-hash algorithm.
config IP_FIB_HASH
- bool
- depends on !IP_ADVANCED_ROUTER
- default y
+ def_bool ASK_IP_FIB_HASH || !IP_ADVANCED_ROUTER
config IP_MULTIPLE_TABLES
bool "IP: policy routing"
depends on IP_ADVANCED_ROUTER
+ select FIB_RULES
---help---
Normally, a router decides what to do with a received packet based
solely on the packet's final destination address. If you say Y here,
config IP_ROUTE_MULTIPATH_CACHED
bool "IP: equal cost multipath with caching support (EXPERIMENTAL)"
- depends on: IP_ROUTE_MULTIPATH
+ depends on IP_ROUTE_MULTIPATH
help
Normally, equal cost multipath routing is not supported by the
routing cache. If you say Y here, alternative routes are cached
config IP_PNP
bool "IP: kernel level autoconfiguration"
- depends on INET
help
This enables automatic configuration of IP addresses of devices and
of the routing table during kernel boot, based on either information
# bool ' IP: ARP support' CONFIG_IP_PNP_ARP
config NET_IPIP
tristate "IP: tunneling"
- depends on INET
select INET_TUNNEL
---help---
Tunneling means encapsulating data of one protocol type within
config NET_IPGRE
tristate "IP: GRE tunnels over IP"
- depends on INET
- select XFRM
help
Tunneling means encapsulating data of one protocol type within
another protocol and sending it over a channel that understands the
config ARPD
bool "IP: ARP daemon support (EXPERIMENTAL)"
- depends on INET && EXPERIMENTAL
+ depends on EXPERIMENTAL
---help---
Normally, the kernel maintains an internal cache which maps IP
addresses to hardware addresses on the local network, so that
config SYN_COOKIES
bool "IP: TCP syncookie support (disabled per default)"
- depends on INET
---help---
Normal TCP/IP networking is open to an attack known as "SYN
flooding". This denial-of-service attack prevents legitimate remote
config INET_AH
tristate "IP: AH transformation"
- depends on INET
select XFRM
select CRYPTO
select CRYPTO_HMAC
config INET_ESP
tristate "IP: ESP transformation"
- depends on INET
select XFRM
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
+ select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
---help---
config INET_IPCOMP
tristate "IP: IPComp transformation"
- depends on INET
select XFRM
- select INET_TUNNEL
+ select INET_XFRM_TUNNEL
select CRYPTO
select CRYPTO_DEFLATE
---help---
If unsure, say Y.
+config INET_XFRM_TUNNEL
+ tristate
+ select INET_TUNNEL
+ default n
+
config INET_TUNNEL
- tristate "IP: tunnel transformation"
- depends on INET
+ tristate
+ default n
+
+config INET_XFRM_MODE_TRANSPORT
+ tristate "IP: IPsec transport mode"
+ default y
select XFRM
---help---
- Support for generic IP tunnel transformation, which is required by
- the IP tunneling module as well as tunnel mode IPComp.
-
+ Support for IPsec transport mode.
+
+ If unsure, say Y.
+
+config INET_XFRM_MODE_TUNNEL
+ tristate "IP: IPsec tunnel mode"
+ default y
+ select XFRM
+ ---help---
+ Support for IPsec tunnel mode.
+
If unsure, say Y.
-config IP_TCPDIAG
- tristate "IP: TCP socket monitoring interface"
- depends on INET
+config INET_DIAG
+ tristate "INET: socket monitoring interface"
default y
---help---
- Support for TCP socket monitoring interface used by native Linux
- tools such as ss. ss is included in iproute2, currently downloadable
- at <http://developer.osdl.org/dev/iproute2>. If you want IPv6 support
- and have selected IPv6 as a module, you need to build this as a
- module too.
+ Support for INET (TCP, DCCP, etc) socket monitoring interface used by
+ native Linux tools such as ss. ss is included in iproute2, currently
+ downloadable at <http://developer.osdl.org/dev/iproute2>.
If unsure, say Y.
-config IP_TCPDIAG_IPV6
- def_bool (IP_TCPDIAG=y && IPV6=y) || (IP_TCPDIAG=m && IPV6)
+config INET_TCP_DIAG
+ depends on INET_DIAG
+ def_tristate INET_DIAG
-config TCP_CONG_ADVANCED
+menuconfig TCP_CONG_ADVANCED
bool "TCP: advanced congestion control"
- depends on INET
---help---
Support for selection of various TCP congestion control
modules.
If unsure, say N.
-# TCP Reno is builtin (required as fallback)
-menu "TCP congestion control"
- depends on TCP_CONG_ADVANCED
+if TCP_CONG_ADVANCED
config TCP_CONG_BIC
tristate "Binary Increase Congestion (BIC) control"
- depends on INET
default y
---help---
BIC-TCP is a sender-side only change that ensures a linear RTT
increase provides TCP friendliness.
See http://www.csc.ncsu.edu/faculty/rhee/export/bitcp/
+config TCP_CONG_CUBIC
+ tristate "CUBIC TCP"
+ default m
+ ---help---
+ This is version 2.0 of BIC-TCP which uses a cubic growth function
+ among other techniques.
+ See http://www.csc.ncsu.edu/faculty/rhee/export/bitcp/cubic-paper.pdf
+
config TCP_CONG_WESTWOOD
tristate "TCP Westwood+"
- depends on INET
default m
---help---
TCP Westwood+ is a sender-side only modification of the TCP Reno
config TCP_CONG_HTCP
tristate "H-TCP"
- depends on INET
default m
---help---
H-TCP is a send-side only modifications of the TCP Reno
config TCP_CONG_HSTCP
tristate "High Speed TCP"
- depends on INET && EXPERIMENTAL
+ depends on EXPERIMENTAL
default n
---help---
Sally Floyd's High Speed TCP (RFC 3649) congestion control.
config TCP_CONG_HYBLA
tristate "TCP-Hybla congestion control algorithm"
- depends on INET && EXPERIMENTAL
+ depends on EXPERIMENTAL
default n
---help---
TCP-Hybla is a sender-side only change that eliminates penalization of
config TCP_CONG_VEGAS
tristate "TCP Vegas"
- depends on INET && EXPERIMENTAL
+ depends on EXPERIMENTAL
default n
---help---
TCP Vegas is a sender-side only change to TCP that anticipates
config TCP_CONG_SCALABLE
tristate "Scalable TCP"
- depends on INET && EXPERIMENTAL
+ depends on EXPERIMENTAL
default n
---help---
Scalable TCP is a sender-side only change to TCP which uses a
properties, though is known to have fairness issues.
See http://www-lce.eng.cam.ac.uk/~ctk21/scalable/
-endmenu
+config TCP_CONG_LP
+ tristate "TCP Low Priority"
+ depends on EXPERIMENTAL
+ default n
+ ---help---
+ TCP Low Priority (TCP-LP), a distributed algorithm whose goal is
+ to utiliza only the excess network bandwidth as compared to the
+ ``fair share`` of bandwidth as targeted by TCP.
+ See http://www-ece.rice.edu/networks/TCP-LP/
+
+config TCP_CONG_VENO
+ tristate "TCP Veno"
+ depends on EXPERIMENTAL
+ default n
+ ---help---
+ TCP Veno is a sender-side only enhancement of TCP to obtain better
+ throughput over wireless networks. TCP Veno makes use of state
+ distinguishing to circumvent the difficult judgment of the packet loss
+ type. TCP Veno cuts down less congestion window in response to random
+ loss packets.
+ See http://www.ntu.edu.sg/home5/ZHOU0022/papers/CPFu03a.pdf
+
+choice
+ prompt "Default TCP congestion control"
+ default DEFAULT_BIC
+ help
+ Select the TCP congestion control that will be used by default
+ for all connections.
+
+ config DEFAULT_BIC
+ bool "Bic" if TCP_CONG_BIC=y
+
+ config DEFAULT_CUBIC
+ bool "Cubic" if TCP_CONG_CUBIC=y
+
+ config DEFAULT_HTCP
+ bool "Htcp" if TCP_CONG_HTCP=y
+
+ config DEFAULT_VEGAS
+ bool "Vegas" if TCP_CONG_VEGAS=y
+
+ config DEFAULT_WESTWOOD
+ bool "Westwood" if TCP_CONG_WESTWOOD=y
+
+ config DEFAULT_RENO
+ bool "Reno"
+
+endchoice
+
+endif
config TCP_CONG_BIC
tristate
depends on !TCP_CONG_ADVANCED
default y
+config DEFAULT_TCP_CONG
+ string
+ default "bic" if DEFAULT_BIC
+ default "cubic" if DEFAULT_CUBIC
+ default "htcp" if DEFAULT_HTCP
+ default "vegas" if DEFAULT_VEGAS
+ default "westwood" if DEFAULT_WESTWOOD
+ default "reno" if DEFAULT_RENO
+ default "bic"
+
source "net/ipv4/ipvs/Kconfig"