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_VETH([port], [namespace], [ovs-br], [ip_addr])
42 # Add a pair of veth ports. 'port' will be added to name space 'namespace',
43 # and "ovs-'port'" will be added to ovs bridge 'ovs-br'.
45 # The 'port' in 'namespace' will be brought up with static IP address
46 # with 'ip_addr' in CIDR notation.
48 # The existing 'port' or 'ovs-port' will be removed before new ones are added.
51 [ AT_CHECK([ip link add $1 type veth peer name ovs-$1])
52 AT_CHECK([ip link set $1 netns $2])
53 AT_CHECK([ip link set dev ovs-$1 up])
54 AT_CHECK([ovs-vsctl add-port $3 ovs-$1])
55 NS_CHECK_EXEC([$2], [ip addr add $4 dev $1])
56 NS_CHECK_EXEC([$2], [ip link set dev $1 up])
57 ON_EXIT([ip link del ovs-$1])
61 # ADD_VLAN([port], [namespace], [vlan-id], [ip-addr])
63 # Add a VLAN device named 'port' within 'namespace'. It will be configured
64 # with the ID 'vlan-id' and the address 'ip-addr'.
66 [ NS_CHECK_EXEC([$2], [ip link add link $1 name $1.$3 type vlan id $3])
67 NS_CHECK_EXEC([$2], [ip link set dev $1.$3 up])
68 NS_CHECK_EXEC([$2], [ip addr add dev $1.$3 $4])
74 # Strip variant pieces from ping output so the output can be reliably compared.
76 m4_define([FORMAT_PING], [grep "transmitted" | sed 's/time.*ms$/time 0ms/'])