mirror of
https://github.com/openvswitch/ovs
synced 2025-10-27 15:18:06 +00:00
102 lines
3.8 KiB
Plaintext
102 lines
3.8 KiB
Plaintext
# _ADD_BR([name])
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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 properties
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m4_define([_ADD_BR], [[add-br $1 -- set Bridge $1 datapath_type="netdev" protocols=OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13,OpenFlow14,OpenFlow15 fail-mode=secure ]])
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# OVS_TRAFFIC_VSWITCHD_START([vsctl-args], [vsctl-output], [=override])
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#
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# Creates a database and starts ovsdb-server, starts ovs-vswitchd
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# connected to that database, calls ovs-vsctl to create a bridge named
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# br0 with predictable settings, passing 'vsctl-args' as additional
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# commands to ovs-vsctl. If 'vsctl-args' causes ovs-vsctl to provide
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# output (e.g. because it includes "create" commands) then 'vsctl-output'
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# specifies the expected output after filtering through uuidfilt.pl.
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m4_define([OVS_TRAFFIC_VSWITCHD_START],
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[
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OVS_WAIT_WHILE([ip link show ovs-netdev])
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_OVS_VSWITCHD_START([--disable-system])
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dnl Add bridges, ports, etc.
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OVS_WAIT_WHILE([ip link show br0])
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AT_CHECK([ovs-vsctl -- _ADD_BR([br0]) -- $1 m4_if([$2], [], [], [| ${PERL} $srcdir/uuidfilt.pl])], [0], [$2])
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])
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# OVS_TRAFFIC_VSWITCHD_STOP([WHITELIST], [extra_cmds])
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#
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# Gracefully stops ovs-vswitchd and ovsdb-server, checking their log files
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# for messages with severity WARN or higher and signaling an error if any
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# is present. The optional WHITELIST may contain shell-quoted "sed"
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# commands to delete any warnings that are actually expected, e.g.:
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#
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# OVS_TRAFFIC_VSWITCHD_STOP(["/expected error/d"])
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#
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# 'extra_cmds' are shell commands to be executed afte OVS_VSWITCHD_STOP() is
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# invoked. They can be used to perform additional cleanups such as name space
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# removal.
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m4_define([OVS_TRAFFIC_VSWITCHD_STOP],
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[OVS_VSWITCHD_STOP([dnl
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$1";/netdev_linux.*obtaining netdev stats via vport failed/d
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/dpif_netlink.*Generic Netlink family 'ovs_datapath' does not exist. The Open vSwitch kernel module is probably not loaded./d"])
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AT_CHECK([:; $2])
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])
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# CONFIGURE_VETH_OFFLOADS([VETH])
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#
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# Disable TX offloads for veths. The userspace datapath uses the AF_PACKET
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# socket to receive packets for veths. Unfortunately, the AF_PACKET socket
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# doesn't play well with offloads:
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# 1. GSO packets are received without segmentation and therefore discarded.
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# 2. Packets with offloaded partial checksum are received with the wrong
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# checksum, therefore discarded by the receiver.
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#
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# By disabling tx offloads in the non-OVS side of the veth peer we make sure
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# that the AF_PACKET socket will not receive bad packets.
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#
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# This is a workaround, and should be removed when offloads are properly
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# supported in netdev-linux.
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m4_define([CONFIGURE_VETH_OFFLOADS],
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[AT_CHECK([ethtool -K $1 tx off], [0], [ignore], [ignore])]
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)
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# CHECK_CONNTRACK()
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#
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# Perform requirements checks for running conntrack tests.
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#
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m4_define([CHECK_CONNTRACK],
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[AT_SKIP_IF([test $HAVE_PYTHON = no])]
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)
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# CHECK_CONNTRACK_ALG()
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#
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# Perform requirements checks for running conntrack ALG tests. The userspace
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# supports FTP and TFTP.
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#
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m4_define([CHECK_CONNTRACK_ALG])
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# CHECK_CONNTRACK_FRAG()
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#
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# Perform requirements checks for running conntrack fragmentations tests.
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# The userspace doesn't support fragmentation yet, so skip the tests.
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m4_define([CHECK_CONNTRACK_FRAG],
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[
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AT_SKIP_IF([:])
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])
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# CHECK_CONNTRACK_LOCAL_STACK()
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#
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# Perform requirements checks for running conntrack tests with local stack.
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# While the kernel connection tracker automatically passes all the connection
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# tracking state from an internal port to the OpenvSwitch kernel module, there
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# is simply no way of doing that with the userspace, so skip the tests.
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m4_define([CHECK_CONNTRACK_LOCAL_STACK],
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[
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AT_SKIP_IF([:])
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])
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# CHECK_CONNTRACK_NAT()
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#
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# Perform requirements checks for running conntrack NAT tests. The userspace
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# datapath supports NAT.
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#
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m4_define([CHECK_CONNTRACK_NAT])
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