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+#
+# Network configuration
+#
+
+menuconfig NET
+ bool "Networking support"
+ select NLATTR
+ ---help---
+ Unless you really know what you are doing, you should say Y here.
+ The reason is that some programs need kernel networking support even
+ when running on a stand-alone machine that isn't connected to any
+ other computer.
+
+ If you are upgrading from an older kernel, you
+ should consider updating your networking tools too because changes
+ in the kernel and the tools often go hand in hand. The tools are
+ contained in the package net-tools, the location and version number
+ of which are given in <file:Documentation/Changes>.
+
+ For a general introduction to Linux networking, it is highly
+ recommended to read the NET-HOWTO, available from
+ <http://www.tldp.org/docs.html#howto>.
+
+if NET
+
+config WANT_COMPAT_NETLINK_MESSAGES
+ bool
+ help
+ This option can be selected by other options that need compat
+ netlink messages.
+
+config COMPAT_NETLINK_MESSAGES
+ def_bool y
+ depends on COMPAT
+ depends on WEXT_CORE || WANT_COMPAT_NETLINK_MESSAGES
+ help
+ This option makes it possible to send different netlink messages
+ to tasks depending on whether the task is a compat task or not. To
+ achieve this, you need to set skb_shinfo(skb)->frag_list to the
+ compat skb before sending the skb, the netlink code will sort out
+ which message to actually pass to the task.
+
+ Newly written code should NEVER need this option but do
+ compat-independent messages instead!
+
+menu "Networking options"
+
+source "net/packet/Kconfig"
+source "net/unix/Kconfig"
+source "net/xfrm/Kconfig"
+source "net/iucv/Kconfig"
+
+if INET
+#config REFCODE
+# bool "refcode"
+# default n
+# help
+# ---
+# This option represents refcode, not used now, will be used in future.
+
+config NETCTL
+ bool "netctl"
+ default n
+ help
+ ---
+ SI kernel debug code.
+endif
+
+config INET
+ bool "TCP/IP networking"
+ ---help---
+ These are the protocols used on the Internet and on most local
+ Ethernets. It is highly recommended to say Y here (this will enlarge
+ your kernel by about 400 KB), since some programs (e.g. the X window
+ system) use TCP/IP even if your machine is not connected to any
+ other computer. You will get the so-called loopback device which
+ allows you to ping yourself (great fun, that!).
+
+ For an excellent introduction to Linux networking, please read the
+ Linux Networking HOWTO, available from
+ <http://www.tldp.org/docs.html#howto>.
+
+ If you say Y here and also to "/proc file system support" and
+ "Sysctl support" below, you can change various aspects of the
+ behavior of the TCP/IP code by writing to the (virtual) files in
+ /proc/sys/net/ipv4/*; the options are explained in the file
+ <file:Documentation/networking/ip-sysctl.txt>.
+
+ Short answer: say Y.
+
+if INET
+source "net/ipv4/Kconfig"
+source "net/ipv6/Kconfig"
+source "net/netlabel/Kconfig"
+
+endif # if INET
+
+config ANDROID_PARANOID_NETWORK
+ bool "Only allow certain groups to create sockets"
+ default y
+ help
+ none
+
+config NET_ACTIVITY_STATS
+ bool "Network activity statistics tracking"
+ default y
+ help
+ Network activity statistics are useful for tracking wireless
+ modem activity on 2G, 3G, 4G wireless networks. Counts number of
+ transmissions and groups them in specified time buckets.
+
+config NETWORK_SECMARK
+ bool "Security Marking"
+ help
+ This enables security marking of network packets, similar
+ to nfmark, but designated for security purposes.
+ If you are unsure how to answer this question, answer N.
+
+config NETWORK_PHY_TIMESTAMPING
+ bool "Timestamping in PHY devices"
+ depends on EXPERIMENTAL
+ help
+ This allows timestamping of network packets by PHYs with
+ hardware timestamping capabilities. This option adds some
+ overhead in the transmit and receive paths.
+
+ If you are unsure how to answer this question, answer N.
+
+menuconfig NETFILTER
+ bool "Network packet filtering framework (Netfilter)"
+ ---help---
+ Netfilter is a framework for filtering and mangling network packets
+ that pass through your Linux box.
+
+ The most common use of packet filtering is to run your Linux box as
+ a firewall protecting a local network from the Internet. The type of
+ firewall provided by this kernel support is called a "packet
+ filter", which means that it can reject individual network packets
+ based on type, source, destination etc. The other kind of firewall,
+ a "proxy-based" one, is more secure but more intrusive and more
+ bothersome to set up; it inspects the network traffic much more
+ closely, modifies it and has knowledge about the higher level
+ protocols, which a packet filter lacks. Moreover, proxy-based
+ firewalls often require changes to the programs running on the local
+ clients. Proxy-based firewalls don't need support by the kernel, but
+ they are often combined with a packet filter, which only works if
+ you say Y here.
+
+ You should also say Y here if you intend to use your Linux box as
+ the gateway to the Internet for a local network of machines without
+ globally valid IP addresses. This is called "masquerading": if one
+ of the computers on your local network wants to send something to
+ the outside, your box can "masquerade" as that computer, i.e. it
+ forwards the traffic to the intended outside destination, but
+ modifies the packets to make it look like they came from the
+ firewall box itself. It works both ways: if the outside host
+ replies, the Linux box will silently forward the traffic to the
+ correct local computer. This way, the computers on your local net
+ are completely invisible to the outside world, even though they can
+ reach the outside and can receive replies. It is even possible to
+ run globally visible servers from within a masqueraded local network
+ using a mechanism called portforwarding. Masquerading is also often
+ called NAT (Network Address Translation).
+
+ Another use of Netfilter is in transparent proxying: if a machine on
+ the local network tries to connect to an outside host, your Linux
+ box can transparently forward the traffic to a local server,
+ typically a caching proxy server.
+
+ Yet another use of Netfilter is building a bridging firewall. Using
+ a bridge with Network packet filtering enabled makes iptables "see"
+ the bridged traffic. For filtering on the lower network and Ethernet
+ protocols over the bridge, use ebtables (under bridge netfilter
+ configuration).
+
+ Various modules exist for netfilter which replace the previous
+ masquerading (ipmasqadm), packet filtering (ipchains), transparent
+ proxying, and portforwarding mechanisms. Please see
+ <file:Documentation/Changes> under "iptables" for the location of
+ these packages.
+
+if NETFILTER
+
+config NETFILTER_DEBUG
+ bool "Network packet filtering debugging"
+ depends on NETFILTER
+ help
+ You can say Y here if you want to get additional messages useful in
+ debugging the netfilter code.
+
+config NETFILTER_ADVANCED
+ bool "Advanced netfilter configuration"
+ depends on NETFILTER
+ default y
+ help
+ If you say Y here you can select between all the netfilter modules.
+ If you say N the more unusual ones will not be shown and the
+ basic ones needed by most people will default to 'M'.
+
+ If unsure, say Y.
+
+config BRIDGE_NETFILTER
+ bool "Bridged IP/ARP packets filtering"
+ depends on BRIDGE && NETFILTER && INET
+ depends on NETFILTER_ADVANCED
+ default y
+ ---help---
+ Enabling this option will let arptables resp. iptables see bridged
+ ARP resp. IP traffic. If you want a bridging firewall, you probably
+ want this option enabled.
+ Enabling or disabling this option doesn't enable or disable
+ ebtables.
+
+ If unsure, say N.
+
+source "net/netfilter/Kconfig"
+source "net/ipv4/netfilter/Kconfig"
+source "net/ipv6/netfilter/Kconfig"
+source "net/decnet/netfilter/Kconfig"
+source "net/bridge/netfilter/Kconfig"
+
+endif
+
+source "net/dccp/Kconfig"
+source "net/sctp/Kconfig"
+source "net/rds/Kconfig"
+source "net/tipc/Kconfig"
+source "net/atm/Kconfig"
+source "net/l2tp/Kconfig"
+source "net/802/Kconfig"
+source "net/bridge/Kconfig"
+source "net/dsa/Kconfig"
+source "net/8021q/Kconfig"
+source "net/decnet/Kconfig"
+source "net/llc/Kconfig"
+source "net/ipx/Kconfig"
+source "drivers/net/appletalk/Kconfig"
+source "net/x25/Kconfig"
+source "net/lapb/Kconfig"
+source "net/econet/Kconfig"
+source "net/wanrouter/Kconfig"
+source "net/phonet/Kconfig"
+source "net/ieee802154/Kconfig"
+source "net/sched/Kconfig"
+source "net/dcb/Kconfig"
+source "net/dns_resolver/Kconfig"
+source "net/batman-adv/Kconfig"
+source "net/openvswitch/Kconfig"
+
+config RPS
+ boolean "RPS"
+ depends on SMP && SYSFS && USE_GENERIC_SMP_HELPERS
+ default y
+
+config RFS_ACCEL
+ boolean
+ depends on RPS && GENERIC_HARDIRQS
+ select CPU_RMAP
+ default y
+
+config XPS
+ boolean
+ depends on SMP && SYSFS && USE_GENERIC_SMP_HELPERS
+ default y
+
+config NETPRIO_CGROUP
+ tristate "Network priority cgroup"
+ depends on CGROUPS
+ ---help---
+ Cgroup subsystem for use in assigning processes to network priorities on
+ a per-interface basis
+
+config BQL
+ boolean
+ depends on SYSFS
+ select DQL
+ default y
+
+config HAVE_BPF_JIT
+ bool
+
+config BPF_JIT
+ bool "enable BPF Just In Time compiler"
+ depends on HAVE_BPF_JIT
+ depends on MODULES
+ ---help---
+ Berkeley Packet Filter filtering capabilities are normally handled
+ by an interpreter. This option allows kernel to generate a native
+ code when filter is loaded in memory. This should speedup
+ packet sniffing (libpcap/tcpdump). Note : Admin should enable
+ this feature changing /proc/sys/net/core/bpf_jit_enable
+
+menu "Network testing"
+
+config NET_PKTGEN
+ tristate "Packet Generator (USE WITH CAUTION)"
+ depends on PROC_FS
+ ---help---
+ This module will inject preconfigured packets, at a configurable
+ rate, out of a given interface. It is used for network interface
+ stress testing and performance analysis. If you don't understand
+ what was just said, you don't need it: say N.
+
+ Documentation on how to use the packet generator can be found
+ at <file:Documentation/networking/pktgen.txt>.
+
+ To compile this code as a module, choose M here: the
+ module will be called pktgen.
+
+config NET_TCPPROBE
+ tristate "TCP connection probing"
+ depends on INET && EXPERIMENTAL && PROC_FS && KPROBES
+ ---help---
+ This module allows for capturing the changes to TCP connection
+ state in response to incoming packets. It is used for debugging
+ TCP congestion avoidance modules. If you don't understand
+ what was just said, you don't need it: say N.
+
+ Documentation on how to use TCP connection probing can be found
+ at:
+
+ http://www.linuxfoundation.org/collaborate/workgroups/networking/tcpprobe
+
+ To compile this code as a module, choose M here: the
+ module will be called tcp_probe.
+
+config NET_DROP_MONITOR
+ boolean "Network packet drop alerting service"
+ depends on INET && EXPERIMENTAL && TRACEPOINTS
+ ---help---
+ This feature provides an alerting service to userspace in the
+ event that packets are discarded in the network stack. Alerts
+ are broadcast via netlink socket to any listening user space
+ process. If you don't need network drop alerts, or if you are ok
+ just checking the various proc files and other utilities for
+ drop statistics, say N here.
+
+config SPEED_OPT
+ bool "skb allocator use dependent pool"
+ default y
+
+config SPEED_OPT_STATIC_POOL
+ boolean
+ depends on SPEED_OPT
+ default n
+
+config SPEED_OPT_DYNAMIC_POOL
+ boolean
+ depends on SPEED_OPT && !SPEED_OPT_STATIC_POOL
+ default y
+
+endmenu
+
+endmenu
+
+source "net/ax25/Kconfig"
+source "net/can/Kconfig"
+source "net/irda/Kconfig"
+source "net/bluetooth/Kconfig"
+source "net/rxrpc/Kconfig"
+
+config FIB_RULES
+ bool
+
+menuconfig WIRELESS
+ bool "Wireless"
+ depends on !S390
+ default y
+
+if WIRELESS
+
+source "net/wireless/Kconfig"
+source "net/mac80211/Kconfig"
+
+endif # WIRELESS
+
+source "net/wimax/Kconfig"
+
+source "net/rfkill/Kconfig"
+source "net/9p/Kconfig"
+source "net/caif/Kconfig"
+source "net/ceph/Kconfig"
+source "net/nfc/Kconfig"
+
+
+endif # if NET