432 lines
16 KiB
C
432 lines
16 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*
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* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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*
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* Changes:
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* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
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* Bernhard Reutner-Fischer rewrote to use index_in_substr_array
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*/
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//config:config IP
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//config: bool "ip (35 kb)"
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//config: default y
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//config: select PLATFORM_LINUX
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//config: help
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//config: The "ip" applet is a TCP/IP interface configuration and routing
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//config: utility.
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//config: Short forms (enabled below) are busybox-specific extensions.
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//config: The standard "ip" utility does not provide them. If you are
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//config: trying to be portable, it's better to use "ip CMD" forms.
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//config:
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//config:config IPADDR
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//config: bool "ipaddr (14 kb)"
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//config: default y
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//config: select FEATURE_IP_ADDRESS
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip addr"
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//config:
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//config:config IPLINK
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//config: bool "iplink (17 kb)"
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//config: default y
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//config: select FEATURE_IP_LINK
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip link"
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//config:
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//config:config IPROUTE
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//config: bool "iproute (15 kb)"
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//config: default y
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//config: select FEATURE_IP_ROUTE
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip route"
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//config:
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//config:config IPTUNNEL
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//config: bool "iptunnel (9.6 kb)"
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//config: default y
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//config: select FEATURE_IP_TUNNEL
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip tunnel"
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//config:
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//config:config IPRULE
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//config: bool "iprule (10 kb)"
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//config: default y
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//config: select FEATURE_IP_RULE
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip rule"
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//config:
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//config:config IPNEIGH
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//config: bool "ipneigh (8.3 kb)"
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//config: default y
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//config: select FEATURE_IP_NEIGH
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//config: select PLATFORM_LINUX
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//config: help
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//config: Short form of "ip neigh"
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//config:
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//config:config FEATURE_IP_ADDRESS
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//config: bool "ip address"
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//config: default y
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//config: depends on IP || IPADDR
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//config: help
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//config: Address manipulation support for the "ip" applet.
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//config:
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//config:config FEATURE_IP_LINK
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//config: bool "ip link"
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//config: default y
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//config: depends on IP || IPLINK
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//config: help
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//config: Configure network devices with "ip".
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//config:
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//config:config FEATURE_IP_ROUTE
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//config: bool "ip route"
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//config: default y
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//config: depends on IP || IPROUTE
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//config: help
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//config: Add support for routing table management to "ip".
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//config:
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//config:config FEATURE_IP_ROUTE_DIR
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//config: string "ip route configuration directory"
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//config: default "/etc/iproute2"
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//config: depends on FEATURE_IP_ROUTE
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//config: help
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//config: Location of the "ip" applet routing configuration.
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//config:
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//config:config FEATURE_IP_TUNNEL
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//config: bool "ip tunnel"
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//config: default y
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//config: depends on IP || IPTUNNEL
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//config: help
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//config: Add support for tunneling commands to "ip".
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//config:
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//config:config FEATURE_IP_RULE
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//config: bool "ip rule"
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//config: default y
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//config: depends on IP || IPRULE
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//config: help
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//config: Add support for rule commands to "ip".
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//config:
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//config:config FEATURE_IP_NEIGH
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//config: bool "ip neighbor"
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//config: default y
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//config: depends on IP || IPNEIGH
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//config: help
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//config: Add support for neighbor commands to "ip".
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//config:
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//config:config FEATURE_IP_RARE_PROTOCOLS
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//config: bool "Support displaying rarely used link types"
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//config: default n
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//config: depends on IP || IPADDR || IPLINK || IPROUTE || IPTUNNEL || IPRULE || IPNEIGH
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//config: help
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//config: If you are not going to use links of type "frad", "econet",
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//config: "bif" etc, you probably don't need to enable this.
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//config: Ethernet, wireless, infrared, ppp/slip, ip tunnelling
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//config: link types are supported without this option selected.
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//applet:IF_IP( APPLET_NOEXEC(ip , ip , BB_DIR_SBIN, BB_SUID_DROP, ip ))
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//applet:IF_IPADDR( APPLET_NOEXEC(ipaddr , ipaddr , BB_DIR_SBIN, BB_SUID_DROP, ipaddr ))
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//applet:IF_IPLINK( APPLET_NOEXEC(iplink , iplink , BB_DIR_SBIN, BB_SUID_DROP, iplink ))
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//applet:IF_IPROUTE( APPLET_NOEXEC(iproute , iproute , BB_DIR_SBIN, BB_SUID_DROP, iproute ))
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//applet:IF_IPRULE( APPLET_NOEXEC(iprule , iprule , BB_DIR_SBIN, BB_SUID_DROP, iprule ))
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//applet:IF_IPTUNNEL(APPLET_NOEXEC(iptunnel, iptunnel, BB_DIR_SBIN, BB_SUID_DROP, iptunnel))
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//applet:IF_IPNEIGH( APPLET_NOEXEC(ipneigh , ipneigh , BB_DIR_SBIN, BB_SUID_DROP, ipneigh ))
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//kbuild:lib-$(CONFIG_IP) += ip.o
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//kbuild:lib-$(CONFIG_IPADDR) += ip.o
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//kbuild:lib-$(CONFIG_IPLINK) += ip.o
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//kbuild:lib-$(CONFIG_IPROUTE) += ip.o
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//kbuild:lib-$(CONFIG_IPRULE) += ip.o
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//kbuild:lib-$(CONFIG_IPTUNNEL) += ip.o
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//kbuild:lib-$(CONFIG_IPNEIGH) += ip.o
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//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
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//usage:#define ipaddr_trivial_usage
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//usage: "add|del IFADDR dev IFACE | show|flush [dev IFACE] [to PREFIX]"
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//usage:#define ipaddr_full_usage "\n\n"
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//usage: "ipaddr add|change|replace|delete dev IFACE IFADDR\n"
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//usage: " IFADDR := PREFIX | ADDR peer PREFIX [broadcast ADDR|+|-]\n"
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//usage: " [anycast ADDR] [label STRING] [scope SCOPE]\n"
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//usage: " PREFIX := ADDR[/MASK]\n"
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//usage: " SCOPE := [host|link|global|NUMBER]\n"
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//usage: "ipaddr show|flush [dev IFACE] [scope SCOPE] [to PREFIX] [label PATTERN]"
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//usage:
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//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
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//usage:#define iplink_trivial_usage
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//usage: /*Usage:iplink*/"set IFACE [up|down] [arp on|off] [multicast on|off]\n"
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//usage: " [promisc on|off] [mtu NUM] [name NAME] [qlen NUM] [address MAC]\n"
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//usage: " [master IFACE | nomaster]"
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// * short help shows only "set" command, long help continues (with just one "\n")
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// * and shows all other commands:
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//usage:#define iplink_full_usage "\n"
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//usage: "iplink add [link IFACE] IFACE [address MAC] type TYPE [ARGS]\n"
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//usage: "iplink delete IFACE type TYPE [ARGS]\n"
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//usage: " TYPE ARGS := vlan VLANARGS | vrf table NUM\n"
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//usage: " VLANARGS := id VLANID [protocol 802.1q|802.1ad] [reorder_hdr on|off]\n"
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//usage: " [gvrp on|off] [mvrp on|off] [loose_binding on|off]\n"
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//usage: "iplink show [IFACE]"
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//upstream man ip-link:
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//=====================
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//ip link add [link DEV] [ name ] NAME
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// [ txqueuelen PACKETS ]
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// [ address LLADDR ]
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// [ broadcast LLADDR ]
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// [ mtu MTU ] [index IDX ]
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// [ numtxqueues QUEUE_COUNT ]
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// [ numrxqueues QUEUE_COUNT ]
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// type TYPE [ ARGS ]
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// ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]
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// ip link set { DEVICE | dev DEVICE | group DEVGROUP } [ { up | down } ]
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// [ arp { on | off } ]
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// [ dynamic { on | off } ]
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// [ multicast { on | off } ]
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// [ allmulticast { on | off } ]
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// [ promisc { on | off } ]
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// [ trailers { on | off } ]
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// [ txqueuelen PACKETS ]
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// [ name NEWNAME ]
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// [ address LLADDR ]
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// [ broadcast LLADDR ]
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// [ mtu MTU ]
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// [ netns { PID | NAME } ]
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// [ link-netnsid ID ]
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// [ alias NAME ]
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// [ vf NUM [ mac LLADDR ]
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// [ vlan VLANID [ qos VLAN-QOS ] ]
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// [ rate TXRATE ]
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// [ spoofchk { on | off} ]
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// [ query_rss { on | off} ]
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// [ state { auto | enable | disable} ] ]
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// [ trust { on | off} ] ]
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// [ master DEVICE ]
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// [ nomaster ]
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// [ addrgenmode { eui64 | none | stable_secret | random } ]
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// [ protodown { on | off } ]
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// ip link show [ DEVICE | group GROUP ] [up] [master DEV] [type TYPE]
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// ip link help [ TYPE ]
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//TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
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// bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
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// gre | gretap | ip6gre | ip6gretap | vti | nlmon |
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// bond_slave | ipvlan | geneve | bridge_slave | vrf }
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//usage:
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//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
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//usage:#define iproute_trivial_usage
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//usage: "list|flush|add|del|change|append|replace|test ROUTE"
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//usage:#define iproute_full_usage "\n\n"
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//usage: "iproute list|flush SELECTOR\n"
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//usage: " SELECTOR := [root PREFIX] [match PREFIX] [proto RTPROTO]\n"
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//usage: " PREFIX := default|ADDR[/MASK]\n"
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//usage: "iproute get ADDR [from ADDR iif IFACE]\n"
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//usage: " [oif IFACE] [tos TOS]\n"
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//usage: "iproute add|del|change|append|replace|test ROUTE\n"
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//usage: " ROUTE := NODE_SPEC [INFO_SPEC]\n"
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//usage: " NODE_SPEC := PREFIX"IF_FEATURE_IP_RULE(" [table TABLE_ID]")" [proto RTPROTO] [scope SCOPE] [metric METRIC]\n"
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//usage: " INFO_SPEC := NH OPTIONS\n"
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//usage: " NH := [via [inet|inet6] ADDR] [dev IFACE] [src ADDR] [onlink]\n"
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//usage: " OPTIONS := [mtu [lock] NUM] [advmss [lock] NUM]"
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//upstream man ip-route:
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//======================
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//ip route { show | flush } SELECTOR
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//ip route save SELECTOR
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//ip route restore
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//ip route get ADDRESS [ from ADDRESS iif STRING ] [ oif STRING ] [ tos TOS ]
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//ip route { add | del | change | append | replace } ROUTE
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//SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ] [ table TABLE_ID ] [ proto RTPROTO ] [ type TYPE ] [ scope SCOPE ]
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//ROUTE := NODE_SPEC [ INFO_SPEC ]
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//NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ] [ table TABLE_ID ] [ proto RTPROTO ] [ scope SCOPE ] [ metric METRIC ]
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//INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ] ...
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//NH := [ encap ENCAP ] [ via [ FAMILY ] ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS
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// ..............................................................^ I guess [src ADDRESS] should be here
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//FAMILY := [ inet | inet6 | ipx | dnet | mpls | bridge | link ]
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//OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ] [ as [ to ] ADDRESS ] rtt TIME ] [ rttvar TIME ] [ reordering NUMBER ] [ window NUMBER ] [ cwnd NUMBER ] [ ssthresh REALM ] [ realms REALM ]
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// [ rto_min TIME ] [ initcwnd NUMBER ] [ initrwnd NUMBER ] [ features FEATURES ] [ quickack BOOL ] [ congctl NAME ] [ pref PREF ] [ expires TIME ]
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//TYPE := [ unicast | local | broadcast | multicast | throw | unreachable | prohibit | blackhole | nat ]
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//TABLE_ID := [ local | main | default | all | NUMBER ]
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//SCOPE := [ host | link | global | NUMBER ]
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//NHFLAGS := [ onlink | pervasive ]
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//RTPROTO := [ kernel | boot | static | NUMBER ]
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//FEATURES := [ ecn | ]
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//PREF := [ low | medium | high ]
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//ENCAP := [ MPLS | IP ]
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//ENCAP_MPLS := mpls [ LABEL ]
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//ENCAP_IP := ip id TUNNEL_ID dst REMOTE_IP [ tos TOS ] [ ttl TTL ]
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//usage:
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//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
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//usage:#define iprule_trivial_usage
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//usage: "[list] | add|del SELECTOR ACTION"
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//usage:#define iprule_full_usage "\n\n"
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//usage: " SELECTOR := [from PREFIX] [to PREFIX] [tos TOS] [fwmark FWMARK]\n"
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//usage: " [dev IFACE] [pref NUMBER]\n"
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//usage: " ACTION := [table TABLE_ID] [nat ADDR]\n"
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//usage: " [prohibit|reject|unreachable]\n"
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//usage: " [realms [SRCREALM/]DSTREALM]\n"
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//usage: " TABLE_ID := [local|main|default|NUMBER]"
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//usage:
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//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
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//usage:#define iptunnel_trivial_usage
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//usage: "add|change|del|show [NAME]\n"
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//usage: " [mode ipip|gre|sit] [remote ADDR] [local ADDR] [ttl TTL]"
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//usage:#define iptunnel_full_usage "\n\n"
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//usage: "iptunnel add|change|del|show [NAME]\n"
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//usage: " [mode ipip|gre|sit] [remote ADDR] [local ADDR]\n"
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//usage: " [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n"
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//usage: " [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
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//usage:
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//usage:#define ipneigh_trivial_usage
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//usage: "show|flush [to PREFIX] [dev DEV] [nud STATE]"
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//usage:#define ipneigh_full_usage ""
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//usage:
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//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE
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//usage:# define IP_BAR_LINK "|"
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//usage:#else
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//usage:# define IP_BAR_LINK ""
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//usage:#endif
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//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK
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//usage:# define IP_BAR_TUNNEL "|"
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//usage:#else
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//usage:# define IP_BAR_TUNNEL ""
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//usage:#endif
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//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK || ENABLE_FEATURE_IP_TUNNEL
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//usage:# define IP_BAR_NEIGH "|"
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//usage:#else
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//usage:# define IP_BAR_NEIGH ""
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//usage:#endif
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//usage:#if ENABLE_FEATURE_IP_ADDRESS || ENABLE_FEATURE_IP_ROUTE || ENABLE_FEATURE_IP_LINK || ENABLE_FEATURE_IP_TUNNEL || ENABLE_FEATURE_IP_NEIGH
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//usage:# define IP_BAR_RULE "|"
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//usage:#else
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//usage:# define IP_BAR_RULE ""
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//usage:#endif
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//usage:
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//usage:#define ip_trivial_usage
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//usage: "[OPTIONS] "
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//usage: IF_FEATURE_IP_ADDRESS("address")
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//usage: IF_FEATURE_IP_ROUTE( IF_FEATURE_IP_ADDRESS("|")"route")
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//usage: IF_FEATURE_IP_LINK( IP_BAR_LINK "link")
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//usage: IF_FEATURE_IP_TUNNEL( IP_BAR_TUNNEL"tunnel")
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//usage: IF_FEATURE_IP_NEIGH( IP_BAR_NEIGH "neigh")
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//usage: IF_FEATURE_IP_RULE( IP_BAR_RULE "rule")
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//usage: " [ARGS]"
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//usage:#define ip_full_usage "\n\n"
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//usage: "OPTIONS := -f[amily] inet|inet6|link | -o[neline]\n"
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//usage: IF_FEATURE_IP_ADDRESS("\n"
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//usage: "ip addr "ipaddr_trivial_usage)
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//usage: IF_FEATURE_IP_ROUTE("\n"
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//usage: "ip route "iproute_trivial_usage)
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//usage: IF_FEATURE_IP_LINK("\n"
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//usage: "ip link "iplink_trivial_usage)
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//usage: IF_FEATURE_IP_TUNNEL("\n"
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//usage: "ip tunnel "iptunnel_trivial_usage)
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//usage: IF_FEATURE_IP_NEIGH("\n"
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//usage: "ip neigh "ipneigh_trivial_usage)
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//usage: IF_FEATURE_IP_RULE("\n"
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//usage: "ip rule "iprule_trivial_usage)
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#include "libbb.h"
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#include "libiproute/utils.h"
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#include "libiproute/ip_common.h"
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typedef int FAST_FUNC (*ip_func_ptr_t)(char**);
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#if ENABLE_IPADDR \
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|| ENABLE_IPLINK \
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|| ENABLE_IPROUTE \
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|| ENABLE_IPRULE \
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|| ENABLE_IPTUNNEL \
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|| ENABLE_IPNEIGH
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static int ip_do(ip_func_ptr_t ip_func, char **argv)
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{
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argv = ip_parse_common_args(argv + 1);
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return ip_func(argv);
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}
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#endif
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#if ENABLE_IPADDR
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int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int ipaddr_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_ipaddr, argv);
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}
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#endif
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#if ENABLE_IPLINK
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int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int iplink_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_iplink, argv);
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}
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#endif
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#if ENABLE_IPROUTE
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int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int iproute_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_iproute, argv);
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}
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#endif
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#if ENABLE_IPRULE
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int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int iprule_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_iprule, argv);
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}
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#endif
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#if ENABLE_IPTUNNEL
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int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int iptunnel_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_iptunnel, argv);
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}
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#endif
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#if ENABLE_IPNEIGH
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int ipneigh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int ipneigh_main(int argc UNUSED_PARAM, char **argv)
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{
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return ip_do(do_ipneigh, argv);
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}
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#endif
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#if ENABLE_IP
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static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM)
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{
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bb_show_usage();
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}
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int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int ip_main(int argc UNUSED_PARAM, char **argv)
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{
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static const char keywords[] ALIGN1 = ""
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IF_FEATURE_IP_ADDRESS("address\0")
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IF_FEATURE_IP_ROUTE("route\0")
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IF_FEATURE_IP_ROUTE("r\0")
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IF_FEATURE_IP_LINK("link\0")
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IF_FEATURE_IP_TUNNEL("tunnel\0")
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IF_FEATURE_IP_TUNNEL("tunl\0")
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IF_FEATURE_IP_RULE("rule\0")
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IF_FEATURE_IP_NEIGH("neigh\0")
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;
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static const ip_func_ptr_t ip_func_ptrs[] = {
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ip_print_help,
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IF_FEATURE_IP_ADDRESS(do_ipaddr,)
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IF_FEATURE_IP_ROUTE(do_iproute,)
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IF_FEATURE_IP_ROUTE(do_iproute,)
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IF_FEATURE_IP_LINK(do_iplink,)
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IF_FEATURE_IP_TUNNEL(do_iptunnel,)
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IF_FEATURE_IP_TUNNEL(do_iptunnel,)
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IF_FEATURE_IP_RULE(do_iprule,)
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IF_FEATURE_IP_NEIGH(do_ipneigh,)
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};
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ip_func_ptr_t ip_func;
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int key;
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argv = ip_parse_common_args(argv + 1);
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if (ARRAY_SIZE(ip_func_ptrs) > 1 && *argv)
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key = index_in_substrings(keywords, *argv++);
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else
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key = -1;
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ip_func = ip_func_ptrs[key + 1];
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return ip_func(argv);
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}
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#endif
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