| Server IP : 104.21.38.3 / Your IP : 172.71.82.32 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-142/tools/testing/selftests/net/forwarding/ |
Upload File : |
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
ALL_TESTS="loopback_test"
NUM_NETIFS=2
source tc_common.sh
source lib.sh
h1_create()
{
simple_if_init $h1 192.0.2.1/24
tc qdisc add dev $h1 clsact
}
h1_destroy()
{
tc qdisc del dev $h1 clsact
simple_if_fini $h1 192.0.2.1/24
}
h2_create()
{
simple_if_init $h2
}
h2_destroy()
{
simple_if_fini $h2
}
loopback_test()
{
RET=0
tc filter add dev $h1 ingress protocol arp pref 1 handle 101 flower \
skip_hw arp_op reply arp_tip 192.0.2.1 action drop
$MZ $h1 -c 1 -t arp -q
tc_check_packets "dev $h1 ingress" 101 1
check_fail $? "Matched on a filter without loopback setup"
ethtool -K $h1 loopback on
check_err $? "Failed to enable loopback"
setup_wait_dev $h1
$MZ $h1 -c 1 -t arp -q
tc_check_packets "dev $h1 ingress" 101 1
check_err $? "Did not match on filter with loopback"
ethtool -K $h1 loopback off
check_err $? "Failed to disable loopback"
$MZ $h1 -c 1 -t arp -q
tc_check_packets "dev $h1 ingress" 101 2
check_fail $? "Matched on a filter after loopback was removed"
tc filter del dev $h1 ingress protocol arp pref 1 handle 101 flower
log_test "loopback"
}
setup_prepare()
{
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
vrf_prepare
h1_create
h2_create
if ethtool -k $h1 | grep loopback | grep -q fixed; then
log_test "SKIP: dev $h1 does not support loopback feature"
exit $ksft_skip
fi
}
cleanup()
{
pre_cleanup
h2_destroy
h1_destroy
vrf_cleanup
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS