mirror of
https://github.com/openvswitch/ovs
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8ab9b45e85
It is useful to set the mac address and gateway while using ADD_VETH to connect a namespace to a OVN logical topology. Upcoming commits use this enhancement. Signed-off-by: Gurucharan Shetty <guru@ovn.org> Acked-by: Joe Stringer <joe@ovn.org>
177 lines
5.8 KiB
Plaintext
177 lines
5.8 KiB
Plaintext
# DEL_NAMESPACES(ns [, ns ... ])
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#
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# Delete namespaces from the running OS
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m4_define([DEL_NAMESPACES],
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[m4_foreach([ns], [$@],
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[ip netns del ns
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])
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]
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)
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# ADD_NAMESPACES(ns [, ns ... ])
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#
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# Add new namespaces, if ns exists, the old one
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# will be remove before new ones are installed.
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m4_define([ADD_NAMESPACES],
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[m4_foreach([ns], [$@],
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[DEL_NAMESPACES(ns)
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AT_CHECK([ip netns add ns || return 77])
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on_exit 'DEL_NAMESPACES(ns)'
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ip netns exec ns sysctl -w net.netfilter.nf_conntrack_helper=0
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])
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]
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)
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# NS_EXEC([namespace], [command])
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#
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# Execute 'command' in 'namespace'
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m4_define([NS_EXEC],
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[ip netns exec $1 sh << NS_EXEC_HEREDOC
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$2
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NS_EXEC_HEREDOC])
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# NS_CHECK_EXEC([namespace], [command], other_params...)
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#
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# Wrapper for AT_CHECK that executes 'command' inside 'namespace'.
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# 'other_params' as passed as they are to AT_CHECK.
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m4_define([NS_CHECK_EXEC],
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[ AT_CHECK([NS_EXEC([$1], [$2])], m4_shift(m4_shift($@))) ]
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)
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# ADD_BR([name], [vsctl-args])
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#
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# Expands into the proper ovs-vsctl commands to create a bridge with the
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# appropriate type, and allows additional arguments to be passed.
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m4_define([ADD_BR], [ovs-vsctl _ADD_BR([$1]) -- $2])
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# ADD_INT([port], [namespace], [ovs-br], [ip_addr])
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#
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# Add an internal port to 'ovs-br', then shift it into 'namespace' and
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# configure it with 'ip_addr' (specified in CIDR notation).
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m4_define([ADD_INT],
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[ AT_CHECK([ovs-vsctl add-port $3 $1 -- set int $1 type=internal])
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AT_CHECK([ip link set $1 netns $2])
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NS_CHECK_EXEC([$2], [ip addr add $4 dev $1])
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NS_CHECK_EXEC([$2], [ip link set dev $1 up])
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]
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)
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# ADD_VETH([port], [namespace], [ovs-br], [ip_addr] [mac_addr [gateway]])
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#
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# Add a pair of veth ports. 'port' will be added to name space 'namespace',
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# and "ovs-'port'" will be added to ovs bridge 'ovs-br'.
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#
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# The 'port' in 'namespace' will be brought up with static IP address
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# with 'ip_addr' in CIDR notation.
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#
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# Optionally, one can specify the 'mac_addr' for 'port' and the default
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# 'gateway'.
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#
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# The existing 'port' or 'ovs-port' will be removed before new ones are added.
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#
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m4_define([ADD_VETH],
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[ AT_CHECK([ip link add $1 type veth peer name ovs-$1 || return 77])
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CONFIGURE_VETH_OFFLOADS([$1])
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AT_CHECK([ip link set $1 netns $2])
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AT_CHECK([ip link set dev ovs-$1 up])
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AT_CHECK([ovs-vsctl add-port $3 ovs-$1])
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NS_CHECK_EXEC([$2], [ip addr add $4 dev $1])
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NS_CHECK_EXEC([$2], [ip link set dev $1 up])
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if test -n "$5"; then
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NS_CHECK_EXEC([$2], [ip link set dev $1 address $5])
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fi
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if test -n "$6"; then
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NS_CHECK_EXEC([$2], [ip route add default via $6])
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fi
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on_exit 'ip link del ovs-$1'
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]
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)
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# ADD_VLAN([port], [namespace], [vlan-id], [ip-addr])
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#
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# Add a VLAN device named 'port' within 'namespace'. It will be configured
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# with the ID 'vlan-id' and the address 'ip-addr'.
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m4_define([ADD_VLAN],
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[ NS_CHECK_EXEC([$2], [ip link add link $1 name $1.$3 type vlan id $3])
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NS_CHECK_EXEC([$2], [ip link set dev $1.$3 up])
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NS_CHECK_EXEC([$2], [ip addr add dev $1.$3 $4])
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]
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)
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# ADD_OVS_TUNNEL([type], [bridge], [port], [remote-addr], [overlay-addr])
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#
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# Add an ovs-based tunnel device in the root namespace, with name 'port' and
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# type 'type'. The tunnel device will be configured as point-to-point with the
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# 'remote-addr' as the underlay address of the remote tunnel endpoint.
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#
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# 'port will be configured with the address 'overlay-addr'.
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#
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m4_define([ADD_OVS_TUNNEL],
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[AT_CHECK([ovs-vsctl add-port $2 $3 -- \
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set int $3 type=$1 options:remote_ip=$4])
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AT_CHECK([ip addr add dev $2 $5])
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AT_CHECK([ip link set dev $2 up])
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AT_CHECK([ip link set dev $2 mtu 1450])
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on_exit 'ip addr del dev $2 $5'
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]
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)
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# ADD_NATIVE_TUNNEL([type], [port], [namespace], [remote-addr], [overlay-addr],
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# [link-args])
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#
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# Add a native tunnel device within 'namespace', with name 'port' and type
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# 'type'. The tunnel device will be configured as point-to-point with the
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# 'remote-addr' as the underlay address of the remote tunnel endpoint (as
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# viewed from the perspective of that namespace).
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#
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# 'port' will be configured with the address 'overlay-addr'. 'link-args' is
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# made available so that additional arguments can be passed to "ip link",
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# for instance to configure the vxlan destination port.
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#
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m4_define([ADD_NATIVE_TUNNEL],
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[NS_CHECK_EXEC([$3], [ip link add dev $2 type $1 remote $4 $6])
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NS_CHECK_EXEC([$3], [ip addr add dev $2 $5])
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NS_CHECK_EXEC([$3], [ip link set dev $2 up])
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NS_CHECK_EXEC([$3], [ip link set dev $2 mtu 1450])
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]
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)
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# FORMAT_PING([])
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#
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# Strip variant pieces from ping output so the output can be reliably compared.
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#
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m4_define([FORMAT_PING], [grep "transmitted" | sed 's/time.*ms$/time 0ms/'])
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# FORMAT_CT([ip-addr])
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#
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# Strip content from the piped input which would differ from test to test
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# and limit the output to the rows containing 'ip-addr'.
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#
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m4_define([FORMAT_CT],
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[[grep "dst=$1" | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/id=[0-9]*/id=<cleared>/g' -e 's/state=[0-9_A-Z]*/state=<cleared>/g' | sort | uniq]])
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# NETNS_DAEMONIZE([namespace], [command], [pidfile])
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#
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# Run 'command' as a background process within 'namespace' and record its pid
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# to 'pidfile' to allow cleanup on exit.
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#
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m4_define([NETNS_DAEMONIZE],
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[ip netns exec $1 $2 & echo $! > $3
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echo "kill \`cat $3\`" >> cleanup
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]
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)
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# OVS_CHECK_VXLAN()
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#
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# Do basic check for vxlan functionality, skip the test if it's not there.
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m4_define([OVS_CHECK_VXLAN],
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[AT_SKIP_IF([! ip link add foo type vxlan help 2>&1 | grep dstport >/dev/null])])
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# OVS_CHECK_GRE()
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m4_define([OVS_CHECK_GRE],
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[AT_SKIP_IF([! ip link add foo type gretap help 2>&1 | grep gre >/dev/null])])
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# OVS_CHECK_GENEVE()
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m4_define([OVS_CHECK_GENEVE],
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[AT_SKIP_IF([! ip link add foo type geneve help 2>&1 | grep geneve >/dev/null])])
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