1 # DEL_NAMESPACES(ns [, ns ... ])
3 # Delete namespaces from the running OS
4 m4_define([DEL_NAMESPACES],
5 [m4_foreach([ns], [$@],
11 # ADD_NAMESPACES(ns [, ns ... ])
13 # Add new namespaces, if ns exists, the old one
14 # will be remove before new ones are installed.
15 m4_define([ADD_NAMESPACES],
16 [m4_foreach([ns], [$@],
18 AT_CHECK([ip netns add ns])
19 on_exit 'DEL_NAMESPACES(ns)'
24 # NS_EXEC([namespace], [command])
26 # Execute 'command' in 'namespace'
28 [ip netns exec $1 sh << NS_EXEC_HEREDOC
32 # NS_CHECK_EXEC([namespace], [command], other_params...)
34 # Wrapper for AT_CHECK that executes 'command' inside 'namespace'.
35 # 'other_params' as passed as they are to AT_CHECK.
36 m4_define([NS_CHECK_EXEC],
37 [ AT_CHECK([NS_EXEC([$1], [$2])], m4_shift(m4_shift($@))) ]
40 # ADD_BR([name], [vsctl-args])
42 # Expands into the proper ovs-vsctl commands to create a bridge with the
43 # appropriate type, and allows additional arguments to be passed.
44 m4_define([ADD_BR], [ovs-vsctl _ADD_BR([$1]) -- $2])
46 # ADD_INT([port], [namespace], [ovs-br], [ip_addr])
48 # Add an internal port to 'ovs-br', then shift it into 'namespace' and
49 # configure it with 'ip_addr' (specified in CIDR notation).
51 [ AT_CHECK([ovs-vsctl add-port $3 $1 -- set int $1 type=internal])
52 AT_CHECK([ip link set $1 netns $2])
53 NS_CHECK_EXEC([$2], [ip addr add $4 dev $1])
54 NS_CHECK_EXEC([$2], [ip link set dev $1 up])
58 # ADD_VETH([port], [namespace], [ovs-br], [ip_addr])
60 # Add a pair of veth ports. 'port' will be added to name space 'namespace',
61 # and "ovs-'port'" will be added to ovs bridge 'ovs-br'.
63 # The 'port' in 'namespace' will be brought up with static IP address
64 # with 'ip_addr' in CIDR notation.
66 # The existing 'port' or 'ovs-port' will be removed before new ones are added.
69 [ AT_CHECK([ip link add $1 type veth peer name ovs-$1])
70 AT_CHECK([ip link set $1 netns $2])
71 AT_CHECK([ip link set dev ovs-$1 up])
72 AT_CHECK([ovs-vsctl add-port $3 ovs-$1])
73 NS_CHECK_EXEC([$2], [ip addr add $4 dev $1])
74 NS_CHECK_EXEC([$2], [ip link set dev $1 up])
75 on_exit 'ip link del ovs-$1'
79 # ADD_VLAN([port], [namespace], [vlan-id], [ip-addr])
81 # Add a VLAN device named 'port' within 'namespace'. It will be configured
82 # with the ID 'vlan-id' and the address 'ip-addr'.
84 [ NS_CHECK_EXEC([$2], [ip link add link $1 name $1.$3 type vlan id $3])
85 NS_CHECK_EXEC([$2], [ip link set dev $1.$3 up])
86 NS_CHECK_EXEC([$2], [ip addr add dev $1.$3 $4])
90 # ADD_OVS_TUNNEL([type], [bridge], [port], [remote-addr], [overlay-addr])
92 # Add an ovs-based tunnel device in the root namespace, with name 'port' and
93 # type 'type'. The tunnel device will be configured as point-to-point with the
94 # 'remote-addr' as the underlay address of the remote tunnel endpoint.
96 # 'port will be configured with the address 'overlay-addr'.
98 m4_define([ADD_OVS_TUNNEL],
99 [AT_CHECK([ovs-vsctl add-port $2 $3 -- \
100 set int $3 type=$1 options:remote_ip=$4])
101 AT_CHECK([ip addr add dev $2 $5])
102 AT_CHECK([ip link set dev $2 up])
103 AT_CHECK([ip link set dev $2 mtu 1450])
104 on_exit 'ip addr del dev $2 $5'
108 # ADD_NATIVE_TUNNEL([type], [port], [namespace], [remote-addr], [overlay-addr],
111 # Add a native tunnel device within 'namespace', with name 'port' and type
112 # 'type'. The tunnel device will be configured as point-to-point with the
113 # 'remote-addr' as the underlay address of the remote tunnel endpoint (as
114 # viewed from the perspective of that namespace).
116 # 'port' will be configured with the address 'overlay-addr'. 'link-args' is
117 # made available so that additional arguments can be passed to "ip link",
118 # for instance to configure the vxlan destination port.
120 m4_define([ADD_NATIVE_TUNNEL],
121 [NS_CHECK_EXEC([$3], [ip link add dev $2 type $1 remote $4 $6])
122 NS_CHECK_EXEC([$3], [ip addr add dev $2 $5])
123 NS_CHECK_EXEC([$3], [ip link set dev $2 up])
124 NS_CHECK_EXEC([$3], [ip link set dev $2 mtu 1450])
130 # Strip variant pieces from ping output so the output can be reliably compared.
132 m4_define([FORMAT_PING], [grep "transmitted" | sed 's/time.*ms$/time 0ms/'])
134 # FORMAT_CT([ip-addr])
136 # Strip content from the piped input which would differ from test to test
137 # and limit the output to the rows containing 'ip-addr'.
139 m4_define([FORMAT_CT],
140 [[grep "dst=$1" | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/id=[0-9]*/id=<cleared>/g' | sort | uniq]])
142 # NETNS_DAEMONIZE([namespace], [command], [pidfile])
144 # Run 'command' as a background process within 'namespace' and record its pid
145 # to 'pidfile' to allow cleanup on exit.
147 m4_define([NETNS_DAEMONIZE],
148 [ip netns exec $1 $2 & echo $! > $3
149 echo "kill \`cat $3\`" >> cleanup
155 # Do basic check for vxlan functionality, skip the test if it's not there.
156 m4_define([OVS_CHECK_VXLAN],
157 [AT_SKIP_IF([! ip link add foo type vxlan help 2>&1 | grep dstport >/dev/null])])