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-rwxr-xr-xtools/testing/selftests/bpf/xsk_prereqs.sh135
1 files changed, 135 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 000000000000..9d54c4645127
--- /dev/null
+++ b/tools/testing/selftests/bpf/xsk_prereqs.sh
@@ -0,0 +1,135 @@
+#!/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
+
+GREEN='\033[0;92m'
+YELLOW='\033[0;93m'
+RED='\033[0;31m'
+NC='\033[0m'
+STACK_LIM=131072
+SPECFILE=veth.spec
+XSKOBJ=xdpxceiver
+NUMPKTS=10000
+
+validate_root_exec()
+{
+ msg="skip all tests:"
+ if [ $UID != 0 ]; then
+ echo $msg must be run as root >&2
+ test_exit $ksft_fail 2
+ 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 1
+ else
+ ip link del $1
+ return $ksft_pass
+ fi
+}
+
+validate_veth_spec_file()
+{
+ if [ ! -f ${SPECFILE} ]; then
+ test_exit $ksft_skip 1
+ fi
+}
+
+test_status()
+{
+ statusval=$1
+ if [ -n "${colorconsole+set}" ]; then
+ if [ $statusval -eq 2 ]; then
+ echo -e "${YELLOW}$2${NC}: [ ${RED}FAIL${NC} ]"
+ elif [ $statusval -eq 1 ]; then
+ echo -e "${YELLOW}$2${NC}: [ ${RED}SKIPPED${NC} ]"
+ elif [ $statusval -eq 0 ]; then
+ echo -e "${YELLOW}$2${NC}: [ ${GREEN}PASS${NC} ]"
+ fi
+ else
+ if [ $statusval -eq 2 ]; then
+ echo -e "$2: [ FAIL ]"
+ elif [ $statusval -eq 1 ]; then
+ echo -e "$2: [ SKIPPED ]"
+ elif [ $statusval -eq 0 ]; then
+ echo -e "$2: [ PASS ]"
+ fi
+ fi
+}
+
+test_exit()
+{
+ retval=$1
+ if [ $2 -ne 0 ]; then
+ test_status $2 $(basename $0)
+ fi
+ exit $retval
+}
+
+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 ] &&
+ { echo "removing link $1:$2"; ip netns exec $3 ip link del $2; }
+ echo "removing ns $3"
+ 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 ] &&
+ { echo "removing link $1"; ip link del $1; }
+ if [ -f ${SPECFILE} ]; then
+ echo "removing spec file:" ${SPECFILE}
+ rm -f ${SPECFILE}
+ fi
+}
+
+cleanup_exit()
+{
+ echo "cleaning up..."
+ clear_configs $1 $2 $3
+}
+
+validate_ip_utility()
+{
+ [ ! $(type -P ip) ] && { echo "'ip' not found. Skipping tests."; test_exit $ksft_skip 1; }
+}
+
+vethXDPgeneric()
+{
+ ip link set dev $1 xdpdrv off
+ ip netns exec $3 ip link set dev $2 xdpdrv off
+}
+
+vethXDPnative()
+{
+ ip link set dev $1 xdpgeneric off
+ ip netns exec $3 ip link set dev $2 xdpgeneric off
+}
+
+execxdpxceiver()
+{
+ local -a 'paramkeys=("${!'"$1"'[@]}")' copy
+ paramkeysstr=${paramkeys[*]}
+
+ for index in $paramkeysstr;
+ do
+ current=$1"[$index]"
+ copy[$index]=${!current}
+ done
+
+ ./${XSKOBJ} -i ${VETH0} -i ${VETH1},${NS1} ${copy[*]} -C ${NUMPKTS}
+}