Skip to content

Commit

Permalink
Merge branch 'ocelot-selftests'
Browse files Browse the repository at this point in the history 
Vladimir Oltean says:

====================
Streamline Ocelot tc-chains selftest

This series changes the output and the argument format of the Ocelot
switch selftest so that it is more similar to what can be found in
tools/testing/selftests/net/forwarding/.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
  • Loading branch information
David S. Miller committed May 22, 2022
2 parents c304edd + 4ea1396 commit cb7f2d0
Showing 1 changed file with 97 additions and 105 deletions.
202 changes: 97 additions & 105 deletions tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4,35 +4,17 @@

WAIT_TIME=1
NUM_NETIFS=4
STABLE_MAC_ADDRS=yes
lib_dir=$(dirname $0)/../../../net/forwarding
source $lib_dir/tc_common.sh
source $lib_dir/lib.sh

require_command tcpdump

#
# +---------------------------------------------+
# | DUT ports Generator ports |
# | +--------+ +--------+ +--------+ +--------+ |
# | | | | | | | | | |
# | | eth0 | | eth1 | | eth2 | | eth3 | |
# | | | | | | | | | |
# +-+--------+-+--------+-+--------+-+--------+-+
# | | | |
# | | | |
# | +-----------+ |
# | |
# +--------------------------------+

eth0=${NETIFS[p1]}
eth1=${NETIFS[p2]}
eth2=${NETIFS[p3]}
eth3=${NETIFS[p4]}

eth0_mac="de:ad:be:ef:00:00"
eth1_mac="de:ad:be:ef:00:01"
eth2_mac="de:ad:be:ef:00:02"
eth3_mac="de:ad:be:ef:00:03"
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}

# Helpers to map a VCAP IS1 and VCAP IS2 lookup and policy to a chain number
# used by the kernel driver. The numbers are:
Expand Down Expand Up @@ -156,190 +138,200 @@ create_tcam_skeleton()

setup_prepare()
{
ip link set $eth0 up
ip link set $eth1 up
ip link set $eth2 up
ip link set $eth3 up
ip link set $swp1 up
ip link set $swp2 up
ip link set $h2 up
ip link set $h1 up

create_tcam_skeleton $eth0
create_tcam_skeleton $swp1

ip link add br0 type bridge
ip link set $eth0 master br0
ip link set $eth1 master br0
ip link set $swp1 master br0
ip link set $swp2 master br0
ip link set br0 up

ip link add link $eth3 name $eth3.100 type vlan id 100
ip link set $eth3.100 up
ip link add link $h1 name $h1.100 type vlan id 100
ip link set $h1.100 up

ip link add link $eth3 name $eth3.200 type vlan id 200
ip link set $eth3.200 up
ip link add link $h1 name $h1.200 type vlan id 200
ip link set $h1.200 up

tc filter add dev $eth0 ingress chain $(IS1 1) pref 1 \
tc filter add dev $swp1 ingress chain $(IS1 1) pref 1 \
protocol 802.1Q flower skip_sw vlan_id 100 \
action vlan pop \
action goto chain $(IS1 2)

tc filter add dev $eth0 egress chain $(ES0) pref 1 \
flower skip_sw indev $eth1 \
tc filter add dev $swp1 egress chain $(ES0) pref 1 \
flower skip_sw indev $swp2 \
action vlan push protocol 802.1Q id 100

tc filter add dev $eth0 ingress chain $(IS1 0) pref 2 \
tc filter add dev $swp1 ingress chain $(IS1 0) pref 2 \
protocol ipv4 flower skip_sw src_ip 10.1.1.2 \
action skbedit priority 7 \
action goto chain $(IS1 1)

tc filter add dev $eth0 ingress chain $(IS2 0 0) pref 1 \
tc filter add dev $swp1 ingress chain $(IS2 0 0) pref 1 \
protocol ipv4 flower skip_sw ip_proto udp dst_port 5201 \
action police rate 50mbit burst 64k conform-exceed drop/pipe \
action goto chain $(IS2 1 0)
}

cleanup()
{
ip link del $eth3.200
ip link del $eth3.100
tc qdisc del dev $eth0 clsact
ip link del $h1.200
ip link del $h1.100
tc qdisc del dev $swp1 clsact
ip link del br0
}

test_vlan_pop()
{
printf "Testing VLAN pop.. "
local h1_mac=$(mac_get $h1)
local h2_mac=$(mac_get $h2)

RET=0

tcpdump_start $eth2
tcpdump_start $h2

# Work around Mausezahn VLAN builder bug
# (https://github.com/netsniff-ng/netsniff-ng/issues/225) by using
# an 8021q upper
$MZ $eth3.100 -q -c 1 -p 64 -a $eth3_mac -b $eth2_mac -t ip
$MZ $h1.100 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip

sleep 1

tcpdump_stop $eth2
tcpdump_stop $h2

if tcpdump_show $eth2 | grep -q "$eth3_mac > $eth2_mac, ethertype IPv4"; then
echo "OK"
else
echo "FAIL"
fi
tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, ethertype IPv4"
check_err "$?" "untagged reception"

tcpdump_cleanup $h2

tcpdump_cleanup $eth2
log_test "VLAN pop"
}

test_vlan_push()
{
printf "Testing VLAN push.. "
local h1_mac=$(mac_get $h1)
local h2_mac=$(mac_get $h2)

tcpdump_start $eth3.100
RET=0

$MZ $eth2 -q -c 1 -p 64 -a $eth2_mac -b $eth3_mac -t ip
tcpdump_start $h1.100

$MZ $h2 -q -c 1 -p 64 -a $h2_mac -b $h1_mac -t ip

sleep 1

tcpdump_stop $eth3.100
tcpdump_stop $h1.100

if tcpdump_show $eth3.100 | grep -q "$eth2_mac > $eth3_mac"; then
echo "OK"
else
echo "FAIL"
fi
tcpdump_show $h1.100 | grep -q "$h2_mac > $h1_mac"
check_err "$?" "tagged reception"

tcpdump_cleanup $eth3.100
tcpdump_cleanup $h1.100

log_test "VLAN push"
}

test_vlan_ingress_modify()
{
printf "Testing ingress VLAN modification.. "
local h1_mac=$(mac_get $h1)
local h2_mac=$(mac_get $h2)

RET=0

ip link set br0 type bridge vlan_filtering 1
bridge vlan add dev $eth0 vid 200
bridge vlan add dev $eth0 vid 300
bridge vlan add dev $eth1 vid 300
bridge vlan add dev $swp1 vid 200
bridge vlan add dev $swp1 vid 300
bridge vlan add dev $swp2 vid 300

tc filter add dev $eth0 ingress chain $(IS1 2) pref 3 \
tc filter add dev $swp1 ingress chain $(IS1 2) pref 3 \
protocol 802.1Q flower skip_sw vlan_id 200 \
action vlan modify id 300 \
action goto chain $(IS2 0 0)

tcpdump_start $eth2
tcpdump_start $h2

$MZ $eth3.200 -q -c 1 -p 64 -a $eth3_mac -b $eth2_mac -t ip
$MZ $h1.200 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip

sleep 1

tcpdump_stop $eth2
tcpdump_stop $h2

if tcpdump_show $eth2 | grep -q "$eth3_mac > $eth2_mac, .* vlan 300"; then
echo "OK"
else
echo "FAIL"
fi
tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, .* vlan 300"
check_err "$?" "tagged reception"

tcpdump_cleanup $eth2
tcpdump_cleanup $h2

tc filter del dev $eth0 ingress chain $(IS1 2) pref 3
tc filter del dev $swp1 ingress chain $(IS1 2) pref 3

bridge vlan del dev $eth0 vid 200
bridge vlan del dev $eth0 vid 300
bridge vlan del dev $eth1 vid 300
bridge vlan del dev $swp1 vid 200
bridge vlan del dev $swp1 vid 300
bridge vlan del dev $swp2 vid 300
ip link set br0 type bridge vlan_filtering 0

log_test "Ingress VLAN modification"
}

test_vlan_egress_modify()
{
printf "Testing egress VLAN modification.. "
local h1_mac=$(mac_get $h1)
local h2_mac=$(mac_get $h2)

tc qdisc add dev $eth1 clsact
RET=0

tc qdisc add dev $swp2 clsact

ip link set br0 type bridge vlan_filtering 1
bridge vlan add dev $eth0 vid 200
bridge vlan add dev $eth1 vid 200
bridge vlan add dev $swp1 vid 200
bridge vlan add dev $swp2 vid 200

tc filter add dev $eth1 egress chain $(ES0) pref 3 \
tc filter add dev $swp2 egress chain $(ES0) pref 3 \
protocol 802.1Q flower skip_sw vlan_id 200 vlan_prio 0 \
action vlan modify id 300 priority 7

tcpdump_start $eth2
tcpdump_start $h2

$MZ $eth3.200 -q -c 1 -p 64 -a $eth3_mac -b $eth2_mac -t ip
$MZ $h1.200 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip

sleep 1

tcpdump_stop $eth2
tcpdump_stop $h2

if tcpdump_show $eth2 | grep -q "$eth3_mac > $eth2_mac, .* vlan 300"; then
echo "OK"
else
echo "FAIL"
fi
tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, .* vlan 300"
check_err "$?" "tagged reception"

tcpdump_cleanup $eth2
tcpdump_cleanup $h2

tc filter del dev $eth1 egress chain $(ES0) pref 3
tc qdisc del dev $eth1 clsact
tc filter del dev $swp2 egress chain $(ES0) pref 3
tc qdisc del dev $swp2 clsact

bridge vlan del dev $eth0 vid 200
bridge vlan del dev $eth1 vid 200
bridge vlan del dev $swp1 vid 200
bridge vlan del dev $swp2 vid 200
ip link set br0 type bridge vlan_filtering 0

log_test "Egress VLAN modification"
}

test_skbedit_priority()
{
local h1_mac=$(mac_get $h1)
local h2_mac=$(mac_get $h2)
local num_pkts=100

printf "Testing frame prioritization.. "
before=$(ethtool_stats_get $swp1 'rx_green_prio_7')

before=$(ethtool_stats_get $eth0 'rx_green_prio_7')
$MZ $h1 -q -c $num_pkts -p 64 -a $h1_mac -b $h2_mac -t ip -A 10.1.1.2

$MZ $eth3 -q -c $num_pkts -p 64 -a $eth3_mac -b $eth2_mac -t ip -A 10.1.1.2

after=$(ethtool_stats_get $eth0 'rx_green_prio_7')
after=$(ethtool_stats_get $swp1 'rx_green_prio_7')

if [ $((after - before)) = $num_pkts ]; then
echo "OK"
RET=0
else
echo "FAIL"
RET=1
fi

log_test "Frame prioritization"
}

trap cleanup EXIT
Expand Down

0 comments on commit cb7f2d0

Please sign in to comment.