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-rwxr-xr-xtools/testing/selftests/bpf/xsk_prereqs.sh92
1 files changed, 92 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/xsk_prereqs.sh b/tools/testing/selftests/bpf/xsk_prereqs.sh
new file mode 100755
index 000000000..a0b71723a
--- /dev/null
+++ b/tools/testing/selftests/bpf/xsk_prereqs.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 2020 Intel Corporation.
+
+ksft_pass=0
+ksft_fail=1
+ksft_xfail=2
+ksft_xpass=3
+ksft_skip=4
+
+XSKOBJ=xskxceiver
+
+validate_root_exec()
+{
+ msg="skip all tests:"
+ if [ $UID != 0 ]; then
+ echo $msg must be run as root >&2
+ test_exit $ksft_fail
+ else
+ return $ksft_pass
+ fi
+}
+
+validate_veth_support()
+{
+ msg="skip all tests:"
+ if [ $(ip link add $1 type veth 2>/dev/null; echo $?;) != 0 ]; then
+ echo $msg veth kernel support not available >&2
+ test_exit $ksft_skip
+ else
+ ip link del $1
+ return $ksft_pass
+ fi
+}
+
+test_status()
+{
+ statusval=$1
+ if [ $statusval -eq $ksft_fail ]; then
+ echo "$2: [ FAIL ]"
+ elif [ $statusval -eq $ksft_skip ]; then
+ echo "$2: [ SKIPPED ]"
+ elif [ $statusval -eq $ksft_pass ]; then
+ echo "$2: [ PASS ]"
+ fi
+}
+
+test_exit()
+{
+ if [ $1 -ne 0 ]; then
+ test_status $1 $(basename $0)
+ fi
+ exit 1
+}
+
+clear_configs()
+{
+ if [ $(ip netns show | grep $3 &>/dev/null; echo $?;) == 0 ]; then
+ [ $(ip netns exec $3 ip link show $2 &>/dev/null; echo $?;) == 0 ] &&
+ { ip netns exec $3 ip link del $2; }
+ ip netns del $3
+ fi
+ #Once we delete a veth pair node, the entire veth pair is removed,
+ #this is just to be cautious just incase the NS does not exist then
+ #veth node inside NS won't get removed so we explicitly remove it
+ [ $(ip link show $1 &>/dev/null; echo $?;) == 0 ] &&
+ { ip link del $1; }
+}
+
+cleanup_exit()
+{
+ clear_configs $1 $2 $3
+}
+
+validate_ip_utility()
+{
+ [ ! $(type -P ip) ] && { echo "'ip' not found. Skipping tests."; test_exit $ksft_skip; }
+}
+
+exec_xskxceiver()
+{
+ if [[ $busy_poll -eq 1 ]]; then
+ ARGS+="-b "
+ fi
+
+ ./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${ARGS}
+
+ retval=$?
+ test_status $retval "${TEST_NAME}"
+ statusList+=($retval)
+ nameList+=(${TEST_NAME})
+}