mirror of
https://github.com/openvswitch/ovs
synced 2025-08-29 05:18:13 +00:00
57 lines
2.1 KiB
Plaintext
57 lines
2.1 KiB
Plaintext
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# OVS_DPDK_PRE_CHECK()
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#
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# Check prerequisites for DPDK tests. Following settings are checked:
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# - Hugepages
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# - UIO driver
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#
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m4_define([OVS_DPDK_PRE_CHECK],
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[dnl Check Hugepages
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AT_CHECK([cat /proc/meminfo], [], [stdout])
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AT_CHECK([grep HugePages_ stdout], [], [stdout])
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AT_CHECK([mount], [], [stdout])
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AT_CHECK([grep 'hugetlbfs' stdout], [], [stdout], [])
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dnl Check if VFIO or UIO driver is loaded
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AT_CHECK([lsmod | grep -E "igb_uio|vfio"], [], [stdout])
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dnl Find PCI address candidate, skip if there is no DPDK-compatible NIC
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AT_CHECK([$DPDK_DIR/usertools/dpdk-devbind.py -s | head -n +4 | tail -1], [], [stdout])
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AT_CHECK([cat stdout | cut -d" " -s -f1 > PCI_ADDR])
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AT_CHECK([test -s PCI_ADDR || exit 77])
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])
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# OVS_DPDK_START()
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#
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# Create an empty database and start ovsdb-server. Add special configuration
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# dpdk-init to enable DPDK functionality. Start ovs-vswitchd connected to that
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# database using system devices (no dummies).
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#
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m4_define([OVS_DPDK_START],
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[dnl Create database.
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AT_CHECK([touch .conf.db.~lock~])
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AT_CHECK([ovsdb-tool create conf.db $abs_top_srcdir/vswitchd/vswitch.ovsschema])
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dnl Start ovsdb-server.
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AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file --remote=punix:$OVS_RUNDIR/db.sock], [0], [stdout], [stderr])
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on_exit "kill `cat ovsdb-server.pid`"
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AT_CHECK([[sed < stderr '
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/vlog|INFO|opened log file/d
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/ovsdb_server|INFO|ovsdb-server (Open vSwitch)/d']])
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AT_CAPTURE_FILE([ovsdb-server.log])
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dnl Initialize database.
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AT_CHECK([ovs-vsctl --no-wait init])
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dnl Enable DPDK functionality
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AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true])
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AT_CHECK([lscpu], [], [stdout])
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AT_CHECK([cat stdout | grep "NUMA node(s)" | awk '{c=1; while (c++<$(3)) {printf "1024,"}; print "1024"}' > SOCKET_MEM])
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AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-socket-mem="$(cat SOCKET_MEM)"])
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dnl Start ovs-vswitchd.
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AT_CHECK([ovs-vswitchd --detach --no-chdir --pidfile --log-file -vvconn -vofproto_dpif -vunixctl], [0], [stdout], [stderr])
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AT_CAPTURE_FILE([ovs-vswitchd.log])
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on_exit "kill_ovs_vswitchd `cat ovs-vswitchd.pid`"
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])
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