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a6c5c952ab
Bareudp devices provide a generic L3 encapsulation for tunnelling different protocols like MPLS, IP, NSH, etc. inside a UDP tunnel. This patch is based on original work from Martin Varghese: https://lore.kernel.org/netdev/1570532361-15163-1-git-send-email-martinvarghesenokia@gmail.com/ Examples: - ip link add dev bareudp0 type bareudp dstport 6635 ethertype mpls_uc This creates a bareudp tunnel device which tunnels L3 traffic with ethertype 0x8847 (unicast MPLS traffic). The destination port of the UDP header will be set to 6635. The device will listen on UDP port 6635 to receive traffic. - ip link add dev bareudp0 type bareudp dstport 6635 ethertype ipv4 multiproto Same as the MPLS example, but for IPv4. The "multiproto" keyword allows the device to also tunnel IPv6 traffic. Signed-off-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
56 lines
1.8 KiB
Makefile
56 lines
1.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \
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rtm_map.o iptunnel.o ip6tunnel.o tunnel.o ipneigh.o ipntable.o iplink.o \
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ipmaddr.o ipmonitor.o ipmroute.o ipprefix.o iptuntap.o iptoken.o \
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ipxfrm.o xfrm_state.o xfrm_policy.o xfrm_monitor.o iplink_dummy.o \
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iplink_ifb.o iplink_nlmon.o iplink_team.o iplink_vcan.o iplink_vxcan.o \
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iplink_vlan.o link_veth.o link_gre.o iplink_can.o iplink_xdp.o \
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iplink_macvlan.o ipl2tp.o link_vti.o link_vti6.o link_xfrm.o \
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iplink_vxlan.o tcp_metrics.o iplink_ipoib.o ipnetconf.o link_ip6tnl.o \
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link_iptnl.o link_gre6.o iplink_bond.o iplink_bond_slave.o iplink_hsr.o \
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iplink_bridge.o iplink_bridge_slave.o ipfou.o iplink_ipvlan.o \
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iplink_geneve.o iplink_vrf.o iproute_lwtunnel.o ipmacsec.o ipila.o \
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ipvrf.o iplink_xstats.o ipseg6.o iplink_netdevsim.o iplink_rmnet.o \
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ipnexthop.o ipmptcp.o iplink_bareudp.o
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RTMONOBJ=rtmon.o
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include ../config.mk
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ALLOBJ=$(IPOBJ) $(RTMONOBJ)
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SCRIPTS=ifcfg rtpr routel routef
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TARGETS=ip rtmon
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all: $(TARGETS) $(SCRIPTS)
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ip: $(IPOBJ) $(LIBNETLINK)
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$(QUIET_LINK)$(CC) $^ $(LDFLAGS) $(LDLIBS) -o $@
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rtmon: $(RTMONOBJ)
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$(QUIET_LINK)$(CC) $^ $(LDFLAGS) $(LDLIBS) -o $@
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install: all
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install -m 0755 $(TARGETS) $(DESTDIR)$(SBINDIR)
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install -m 0755 $(SCRIPTS) $(DESTDIR)$(SBINDIR)
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clean:
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rm -f $(ALLOBJ) $(TARGETS)
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SHARED_LIBS ?= y
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ifeq ($(SHARED_LIBS),y)
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LDLIBS += -ldl
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LDFLAGS += -Wl,-export-dynamic
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else
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ip: static-syms.o
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static-syms.o: static-syms.h
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static-syms.h: $(wildcard *.c)
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files="$^" ; \
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for s in `grep -B 3 '\<dlsym' $$files | sed -n '/snprintf/{s:.*"\([^"]*\)".*:\1:;s:%s::;p}'` ; do \
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sed -n '/'$$s'[^ ]* =/{s:.* \([^ ]*'$$s'[^ ]*\) .*:extern char \1[] __attribute__((weak)); if (!strcmp(sym, "\1")) return \1;:;p}' $$files ; \
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done > $@
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endif
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