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# _ADD_BR([name])
#
# Expands into the proper ovs-vsctl commands to create a bridge with the
# appropriate type and properties
m4_define([_ADD_BR], [[add-br $1 -- set Bridge $1 datapath_type="netdev" protocols=OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13,OpenFlow14,OpenFlow15 fail-mode=secure ]])
# OVS_TRAFFIC_VSWITCHD_START([vsctl-args], [vsctl-output], [=override])
#
# Creates a database and starts ovsdb-server, starts ovs-vswitchd
# connected to that database, calls ovs-vsctl to create a bridge named
# br0 with predictable settings, passing 'vsctl-args' as additional
# commands to ovs-vsctl. If 'vsctl-args' causes ovs-vsctl to provide
# output (e.g. because it includes "create" commands) then 'vsctl-output'
# specifies the expected output after filtering through uuidfilt.
m4_define([OVS_TRAFFIC_VSWITCHD_START],
[
OVS_WAIT_WHILE([ip link show ovs-netdev])
_OVS_VSWITCHD_START([--disable-system])
dnl Add bridges, ports, etc.
OVS_WAIT_WHILE([ip link show br0])
AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:userspace-tso-enable=true])
AT_CHECK([ovs-vsctl -- _ADD_BR([br0]) -- $1 m4_if([$2], [], [], [| uuidfilt])], [0], [$2])
])
# CONFIGURE_VETH_OFFLOADS([VETH])
#
# Enable TCP segmentation offload and scatter-gather for veths.
m4_define([CONFIGURE_VETH_OFFLOADS],
[AT_CHECK([ethtool -K $1 sg on], [0], [ignore], [ignore])]
[AT_CHECK([ethtool -K $1 tso on], [0], [ignore], [ignore])]
)
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