linux/tools/testing/selftests/bpf/xsk_prereqs.sh
Weqaar Janjua facb7cb2e9 selftests/bpf: Xsk selftests - SKB POLL, NOPOLL
Adds following tests:

1. AF_XDP SKB mode
   Generic mode XDP is driver independent, used when the driver does
   not have support for XDP. Works on any netdevice using sockets and
   generic XDP path. XDP hook from netif_receive_skb().
   a. nopoll - soft-irq processing
   b. poll - using poll() syscall

Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Yonghong Song <yhs@fb.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/20201207215333.11586-3-weqaar.a.janjua@intel.com
2020-12-09 16:44:45 +01:00

136 lines
2.7 KiB
Bash
Executable File

#!/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}
}