Differential D20498 Diff 58580 head/tests/sys/net/if_clone_test.sh

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head/tests/sys/net/if_clone_test.sh

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# Outline:		# Outline:
# For each cloned interface type, do three tests		# For each cloned interface type, do three tests
# 1) Create and destroy it		# 1) Create and destroy it
# 2) Create, up, and destroy it		# 2) Create, up, and destroy it
# 3) Create, disable IPv6 auto address assignment, up, and destroy it		# 3) Create, disable IPv6 auto address assignment, up, and destroy it

TESTLEN=10 # seconds		TESTLEN=10 # seconds

		atf_test_case epair_stress cleanup
		epair_stress_head()
		{
		atf_set "descr" "Simultaneously create and destroy an epair(4)"
		atf_set "require.user" "root"
		}
		epair_stress_body()
		{
		do_stress "epair"
		}
		epair_stress_cleanup()
		{
		cleanup_ifaces
		}

		atf_test_case epair_up_stress cleanup
		epair_up_stress_head()
		{
		atf_set "descr" "Simultaneously up and detroy an epair(4)"
		atf_set "require.user" "root"
		}
		epair_up_stress_body()
		{
		do_up_stress "epair" "" ""
		}
		epair_up_stress_cleanup()
		{
		cleanup_ifaces
		}

		atf_test_case epair_ipv6_up_stress cleanup
		epair_ipv6_up_stress_head()
		{
		atf_set "descr" "Simultaneously up and destroy an epair(4) with IPv6"
		atf_set "require.user" "root"
		}
		epair_ipv6_up_stress_body()
		{
		atf_skip "Quickly panics: page fault in in6_unlink_ifa (PR 225438)"
		do_up_stress "epair" "6" ""
		}
		epair_ipv6_up_stress_cleanup()
		{
		cleanup_ifaces
		}

atf_test_case faith_stress cleanup		atf_test_case faith_stress cleanup
faith_stress_head()		faith_stress_head()
{		{
atf_set "descr" "Simultaneously create and destroy a faith(4)"		atf_set "descr" "Simultaneously create and destroy a faith(4)"
atf_set "require.user" "root"		atf_set "require.user" "root"
}		}
faith_stress_body()		faith_stress_body()
{		{
▲ Show 20 Lines • Show All 314 Lines • ▼ Show 20 Lines
}		}
vmnet_ipv6_up_stress_cleanup()		vmnet_ipv6_up_stress_cleanup()
{		{
cleanup_ifaces		cleanup_ifaces
}		}

atf_init_test_cases()		atf_init_test_cases()
{		{
# TODO: add epair(4) tests, which need a different syntax		atf_add_test_case epair_ipv6_up_stress
		atf_add_test_case epair_stress
		atf_add_test_case epair_up_stress
atf_add_test_case faith_ipv6_up_stress		atf_add_test_case faith_ipv6_up_stress
atf_add_test_case faith_stress		atf_add_test_case faith_stress
atf_add_test_case faith_up_stress		atf_add_test_case faith_up_stress
atf_add_test_case gif_ipv6_up_stress		atf_add_test_case gif_ipv6_up_stress
atf_add_test_case gif_stress		atf_add_test_case gif_stress
atf_add_test_case gif_up_stress		atf_add_test_case gif_up_stress
# Don't test lagg; it has its own test program		# Don't test lagg; it has its own test program
atf_add_test_case lo_ipv6_up_stress		atf_add_test_case lo_ipv6_up_stress
Show All 10 Lines	atf_init_test_cases()
atf_add_test_case vlan_up_stress		atf_add_test_case vlan_up_stress
atf_add_test_case vmnet_ipv6_up_stress		atf_add_test_case vmnet_ipv6_up_stress
atf_add_test_case vmnet_stress		atf_add_test_case vmnet_stress
atf_add_test_case vmnet_up_stress		atf_add_test_case vmnet_up_stress
}		}

do_stress()		do_stress()
{		{
local IFACE		local IFACE CREATOR_PID DESTROYER_PID

IFACE=`get_iface $1`		IFACE=`get_iface $1`

# First thread: create the interface		# First thread: create the interface
while true; do		while true; do
ifconfig $IFACE create 2>/dev/null && \		ifconfig ${IFACE%a} create 2>/dev/null && \
echo -n . >> creator_count.txt		echo -n . >> creator_count.txt
done &		done &
CREATOR_PID=$!		CREATOR_PID=$!

# Second thread: destroy the lagg		# Second thread: destroy the lagg
while true; do		while true; do
ifconfig $IFACE destroy 2>/dev/null && \		ifconfig $IFACE destroy 2>/dev/null && \
echo -n . >> destroyer_count.txt		echo -n . >> destroyer_count.txt
done &		done &
DESTROYER_PID=$!		DESTROYER_PID=$!

sleep ${TESTLEN}		sleep ${TESTLEN}
kill $CREATOR_PID		kill $CREATOR_PID
kill $DESTROYER_PID		kill $DESTROYER_PID
echo "Created $IFACE `stat -f %z creator_count.txt` times."		echo "Created ${IFACE%a} `stat -f %z creator_count.txt` times."
echo "Destroyed it `stat -f %z destroyer_count.txt` times."		echo "Destroyed it `stat -f %z destroyer_count.txt` times."
}		}

# Implement the up stress tests		# Implement the up stress tests
# Parameters		# Parameters
# $1 Interface class, etc "lo" or "tap"		# $1 Interface class, etc "lo" or "tap"
# $2 "6" to enable IPv6 auto address assignment, anything else otherwise		# $2 "6" to enable IPv6 auto address assignment, anything else otherwise
# $3 p2p for point to point interfaces, anything else for normal interfaces		# $3 p2p for point to point interfaces, anything else for normal interfaces
do_up_stress()		do_up_stress()
{		{
local IFACE IPv6 MAC P2P SRCDIR		local ADDR DSTADDR MASK MEAN_SLEEP_SECONDS MAX_SLEEP_USECS \
		IFACE IPV6 P2P SRCDIR LOOP_PID ipv6_cmd up_cmd

# Configure the interface to use an RFC5737 nonrouteable addresses		# Configure the interface to use an RFC5737 nonrouteable addresses
ADDR="192.0.2.2"		ADDR="192.0.2.2"
DSTADDR="192.0.2.3"		DSTADDR="192.0.2.3"
MASK="24"		MASK="24"
# ifconfig takes about 10ms to run. To increase race coverage,		# ifconfig takes about 10ms to run. To increase race coverage,
# randomly delay the two commands relative to each other by 5ms either		# randomly delay the two commands relative to each other by 5ms either
# way.		# way.
Show All 19 Lines	while true; do
eval "$ipv6_cmd"		eval "$ipv6_cmd"
{ sleep ${MEAN_SLEEP_SECONDS} && \		{ sleep ${MEAN_SLEEP_SECONDS} && \
eval "$up_cmd" 2> /dev/null &&		eval "$up_cmd" 2> /dev/null &&
echo -n . >> up_count.txt ; } &		echo -n . >> up_count.txt ; } &
{ ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \		{ ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
ifconfig $IFACE destroy &&		ifconfig $IFACE destroy &&
echo -n . >> destroy_count.txt ; } &		echo -n . >> destroy_count.txt ; } &
wait		wait
ifconfig $IFACE create		ifconfig ${IFACE%a} create
done &		done &
LOOP_PID=$!		LOOP_PID=$!

sleep ${TESTLEN}		sleep ${TESTLEN}
kill $LOOP_PID		kill $LOOP_PID
echo "Upped ${IFACE} `stat -f %z up_count.txt` times."		echo "Upped ${IFACE} `stat -f %z up_count.txt` times."
echo "Destroyed it `stat -f %z destroy_count.txt` times."		echo "Destroyed it `stat -f %z destroy_count.txt` times."
}		}

# Creates a new cloned interface, registers it for cleanup, and echoes it		# Creates a new cloned interface, registers it for cleanup, and echoes it
# params: $1 Interface class name (tap, gif, etc)		# params: $1 Interface class name (tap, gif, etc)
get_iface()		get_iface()
{		{
local CLASS DEV N		local CLASS DEV N

CLASS=$1		CLASS=$1
N=0		N=0
while ! ifconfig ${CLASS}${N} create > /dev/null 2>&1; do		while ! ifconfig ${CLASS}${N} create > /dev/null 2>&1; do
if [ "$N" -ge 8 ]; then		if [ "$N" -ge 8 ]; then
atf_skip "Could not create a ${CLASS} interface"		atf_skip "Could not create a ${CLASS} interface"
else		else
N=$(($N + 1))		N=$(($N + 1))
fi		fi
done		done
local DEV=${CLASS}${N}		if [ ${CLASS} = "epair" ]; then
		DEV=${CLASS}${N}a
		else
		DEV=${CLASS}${N}
		fi
# Record the device so we can clean it up later		# Record the device so we can clean it up later
echo ${DEV} >> "devices_to_cleanup"		echo ${DEV} >> "devices_to_cleanup"
echo ${DEV}		echo ${DEV}
}		}


cleanup_ifaces()		cleanup_ifaces()
{		{
local DEV		local DEV

for DEV in `cat "devices_to_cleanup"`; do		for DEV in `cat "devices_to_cleanup"`; do
if [ ${DEV%%[0-9]*a} = "epair" ]; then
ifconfig ${DEV}a destroy
else
ifconfig ${DEV} destroy		ifconfig ${DEV} destroy
fi
done		done
true		true
}		}