#
  # Network configuration
  #
  
  menuconfig NET
  	bool "Networking support"
  	select NLATTR
  	select GENERIC_NET_UTILS
  	---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"
  
  config INET
  	bool "TCP/IP networking"
  	select CRYPTO
  	select CRYPTO_AES
  	---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 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"
  	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/phonet/Kconfig"
  source "net/ieee802154/Kconfig"
  source "net/mac802154/Kconfig"
  source "net/sched/Kconfig"
  source "net/dcb/Kconfig"
  source "net/dns_resolver/Kconfig"
  source "net/batman-adv/Kconfig"
  source "net/openvswitch/Kconfig"
  source "net/vmw_vsock/Kconfig"
  source "net/netlink/Kconfig"
  source "net/mpls/Kconfig"
  source "net/hsr/Kconfig"
  
  config RPS
  	boolean
  	depends on SMP && SYSFS
  	default y
  
  config RFS_ACCEL
  	boolean
  	depends on RPS
  	select CPU_RMAP
  	default y
  
  config XPS
  	boolean
  	depends on SMP
  	default y
  
  config CGROUP_NET_PRIO
  	tristate "Network priority cgroup"
  	depends on CGROUPS
  	---help---
  	  Cgroup subsystem for use in assigning processes to network priorities on
  	  a per-interface basis.
  
  config CGROUP_NET_CLASSID
  	boolean "Network classid cgroup"
  	depends on CGROUPS
  	---help---
  	  Cgroup subsystem for use as general purpose socket classid marker that is
  	  being used in cls_cgroup and for netfilter matching.
  
  config NET_RX_BUSY_POLL
  	boolean
  	default y
  
  config BQL
  	boolean
  	depends on SYSFS
  	select DQL
  	default y
  
  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
  
  config NET_FLOW_LIMIT
  	boolean
  	depends on RPS
  	default y
  	---help---
  	  The network stack has to drop packets when a receive processing CPU's
  	  backlog reaches netdev_max_backlog. If a few out of many active flows
  	  generate the vast majority of load, drop their traffic earlier to
  	  maintain capacity for the other flows. This feature provides servers
  	  with many clients some protection against DoS by a single (spoofed)
  	  flow that greatly exceeds average workload.
  
  menu "Network testing"
  
  config NET_PKTGEN
  	tristate "Packet Generator (USE WITH CAUTION)"
  	depends on INET && 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 && 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
  	tristate "Network packet drop alerting service"
  	depends on INET && 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.
  
  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
  
  # Used by archs to tell that they support BPF_JIT
  config HAVE_BPF_JIT
  	bool