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