#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="standalone two_bridges one_bridge_two_pvids"
NUM_NETIFS=4
source lib.sh
h1=${NETIFS[p1]}
h2=${NETIFS[p3]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p4]}
H1_IPV4="192.0.2.1"
H2_IPV4="192.0.2.2"
H1_IPV6="2001:db8:1::1"
H2_IPV6="2001:db8:1::2"
IPV4_ALLNODES="224.0.0.1"
IPV6_ALLNODES="ff02::1"
MACV4_ALLNODES="01:00:5e:00:00:01"
MACV6_ALLNODES="33:33:00:00:00:01"
NON_IP_MC="01:02:03:04:05:06"
NON_IP_PKT="00:04 48:45:4c:4f"
BC="ff:ff:ff:ff:ff:ff"
# The full 4K VLAN space is too much to check, so strategically pick some
# values which should provide reasonable coverage
vids=(0 1 2 5 10 20 50 100 200 500 1000 1000 2000 4000 4094)
send_non_ip()
{
local if_name=$1
local smac=$2
local dmac=$3
$MZ -q $if_name "$dmac $smac $NON_IP_PKT"
}
send_uc_ipv4()
{
local if_name=$1
local dmac=$2
ip neigh add $H2_IPV4 lladdr $dmac dev $if_name
ping_do $if_name $H2_IPV4
ip neigh del $H2_IPV4 dev $if_name
}
send_mc_ipv4()
{
local if_name=$1
ping_do $if_name $IPV4_ALLNODES "-I $if_name"
}
send_uc_ipv6()
{
local if_name=$1
local dmac=$2
ip -6 neigh add $H2_IPV6 lladdr $dmac dev $if_name
ping6_do $if_name $H2_IPV6
ip -6 neigh del $H2_IPV6 dev $if_name
}
send_mc_ipv6()
{
local if_name=$1
ping6_do $if_name $IPV6_ALLNODES%$if_name
}
check_rcv()
{
local if_name=$1
local type=$2
local pattern=$3
local should_fail=1
RET=0
tcpdump_show $if_name | grep -q "$pattern"
check_err_fail "$should_fail" "$?" "reception"
log_test "$type"
}
run_test()
{
local test_name="$1"
local smac=$(mac_get $h1)
local dmac=$(mac_get $h2)
local h1_ipv6_lladdr=$(ipv6_lladdr_get $h1)
local vid=
echo "$test_name: Sending packets"
tcpdump_start $h2
send_non_ip $h1 $smac $dmac
send_non_ip $h1 $smac $NON_IP_MC
send_non_ip $h1 $smac $BC
send_uc_ipv4 $h1 $dmac
send_mc_ipv4 $h1
send_uc_ipv6 $h1 $dmac
send_mc_ipv6 $h1
for vid in "${vids[@]}"; do
vlan_create $h1 $vid
simple_if_init $h1.$vid $H1_IPV4/24 $H1_IPV6/64
send_non_ip $h1.$vid $smac $dmac
send_non_ip $h1.$vid $smac $NON_IP_MC
send_non_ip $h1.$vid $smac $BC
send_uc_ipv4 $h1.$vid $dmac
send_mc_ipv4 $h1.$vid
send_uc_ipv6 $h1.$vid $dmac
send_mc_ipv6 $h1.$vid
simple_if_fini $h1.$vid $H1_IPV4/24 $H1_IPV6/64
vlan_destroy $h1 $vid
done
sleep 1
echo "$test_name: Checking which packets were received"
tcpdump_stop $h2
check_rcv $h2 "$test_name: Unicast non-IP untagged" \
"$smac > $dmac, 802.3, length 4:"
check_rcv $h2 "$test_name: Multicast non-IP untagged" \
"$smac > $NON_IP_MC, 802.3, length 4:"
check_rcv $h2 "$test_name: Broadcast non-IP untagged" \
"$smac > $BC, 802.3, length 4:"
check_rcv $h2 "$test_name: Unicast IPv4 untagged" \
"$smac > $dmac, ethertype IPv4 (0x0800)"
check_rcv $h2 "$test_name: Multicast IPv4 untagged" \
"$smac > $MACV4_ALLNODES, ethertype IPv4 (0x0800).*: $H1_IPV4 > $IPV4_ALLNODES"
check_rcv $h2 "$test_name: Unicast IPv6 untagged" \
"$smac > $dmac, ethertype IPv6 (0x86dd).*8: $H1_IPV6 > $H2_IPV6"
check_rcv $h2 "$test_name: Multicast IPv6 untagged" \
"$smac > $MACV6_ALLNODES, ethertype IPv6 (0x86dd).*: $h1_ipv6_lladdr > $IPV6_ALLNODES"
for vid in "${vids[@]}"; do
check_rcv $h2 "$test_name: Unicast non-IP VID $vid" \
"$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
check_rcv $h2 "$test_name: Multicast non-IP VID $vid" \
"$smac > $NON_IP_MC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
check_rcv $h2 "$test_name: Broadcast non-IP VID $vid" \
"$smac > $BC, ethertype 802.1Q (0x8100).*vlan $vid,.*length 4"
check_rcv $h2 "$test_name: Unicast IPv4 VID $vid" \
"$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $H2_IPV4"
check_rcv $h2 "$test_name: Multicast IPv4 VID $vid" \
"$smac > $MACV4_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv4 (0x0800), $H1_IPV4 > $IPV4_ALLNODES"
check_rcv $h2 "$test_name: Unicast IPv6 VID $vid" \
"$smac > $dmac, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $H1_IPV6 > $H2_IPV6"
check_rcv $h2 "$test_name: Multicast IPv6 VID $vid" \
"$smac > $MACV6_ALLNODES, ethertype 802.1Q (0x8100).*vlan $vid,.*ethertype IPv6 (0x86dd), $h1_ipv6_lladdr > $IPV6_ALLNODES"
done
tcpdump_cleanup $h2
}
standalone()
{
run_test "Standalone switch ports"
}
two_bridges()
{
ip link add br0 type bridge && ip link set br0 up
ip link add br1 type bridge && ip link set br1 up
ip link set $swp1 master br0
ip link set $swp2 master br1
run_test "Switch ports in different bridges"
ip link del br1
ip link del br0
}
one_bridge_two_pvids()
{
ip link add br0 type bridge vlan_filtering 1 vlan_default_pvid 0
ip link set br0 up
ip link set $swp1 master br0
ip link set $swp2 master br0
bridge vlan add dev $swp1 vid 1 pvid untagged
bridge vlan add dev $swp1 vid 2 pvid untagged
run_test "Switch ports in VLAN-aware bridge with different PVIDs"
ip link del br0
}
h1_create()
{
simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
}
h1_destroy()
{
simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
}
h2_create()
{
simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
}
h2_destroy()
{
simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
}
cleanup()
{
pre_cleanup
ip link set dev $swp2 down
ip link set dev $swp1 down
h2_destroy
h1_destroy
vrf_cleanup
}
setup_prepare()
{
vrf_prepare
h1_create
h2_create
# we call simple_if_init from the test itself, but setup_wait expects
# that we call it from here, and waits until the interfaces are up
ip link set dev $swp1 up
ip link set dev $swp2 up
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
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