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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test sends traffic from H1 to H2. Either on ingress of $swp1, or on
# egress of $swp2, the traffic is acted upon by a pedit action. An ingress
# filter installed on $h2 verifies that the packet looks like expected.
#
# +----------------------+ +----------------------+
# | H1 | | H2 |
# | + $h1 | | $h2 + |
# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
# +----|-----------------+ +----------------|-----+
# | |
# +----|----------------------------------------------------------------|-----+
# | SW | | |
# | +-|----------------------------------------------------------------|-+ |
# | | + $swp1 BR $swp2 + | |
# | +--------------------------------------------------------------------+ |
# +---------------------------------------------------------------------------+
ALL_TESTS="
ping_ipv4
ping_ipv6
test_ip4_src
test_ip4_dst
test_ip6_src
test_ip6_dst
"
NUM_NETIFS=4
source lib.sh
source tc_common.sh
h1_create()
{
simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
}
h1_destroy()
{
simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
}
h2_create()
{
simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64
tc qdisc add dev $h2 clsact
}
h2_destroy()
{
tc qdisc del dev $h2 clsact
simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64
}
switch_create()
{
ip link add name br1 up type bridge vlan_filtering 1
ip link set dev $swp1 master br1
ip link set dev $swp1 up
ip link set dev $swp2 master br1
ip link set dev $swp2 up
tc qdisc add dev $swp1 clsact
tc qdisc add dev $swp2 clsact
}
switch_destroy()
{
tc qdisc del dev $swp2 clsact
tc qdisc del dev $swp1 clsact
ip link set dev $swp2 down
ip link set dev $swp2 nomaster
ip link set dev $swp1 down
ip link set dev $swp1 nomaster
ip link del dev br1
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
h2mac=$(mac_get $h2)
vrf_prepare
h1_create
h2_create
switch_create
}
cleanup()
{
pre_cleanup
switch_destroy
h2_destroy
h1_destroy
vrf_cleanup
}
ping_ipv4()
{
ping_test $h1 192.0.2.2
}
ping_ipv6()
{
ping6_test $h1 2001:db8:1::2
}
do_test_pedit_ip()
{
local pedit_locus=$1; shift
local pedit_action=$1; shift
local match_prot=$1; shift
local match_flower=$1; shift
local mz_flags=$1; shift
tc filter add $pedit_locus handle 101 pref 1 \
flower action pedit ex munge $pedit_action
tc filter add dev $h2 ingress handle 101 pref 1 prot $match_prot \
flower skip_hw $match_flower action pass
RET=0
$MZ $mz_flags $h1 -c 10 -d 20msec -p 100 -a own -b $h2mac -q -t ip
local pkts
pkts=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= 10" \
tc_rule_handle_stats_get "dev $h2 ingress" 101)
check_err $? "Expected to get 10 packets, but got $pkts."
pkts=$(tc_rule_handle_stats_get "$pedit_locus" 101)
((pkts >= 10))
check_err $? "Expected to get 10 packets on pedit rule, but got $pkts."
log_test "$pedit_locus pedit $pedit_action"
tc filter del dev $h2 ingress pref 1
tc filter del $pedit_locus pref 1
}
do_test_pedit_ip6()
{
local locus=$1; shift
local pedit_addr=$1; shift
local flower_addr=$1; shift
do_test_pedit_ip "$locus" "$pedit_addr set 2001:db8:2::1" ipv6 \
"$flower_addr 2001:db8:2::1" \
"-6 -A 2001:db8:1::1 -B 2001:db8:1::2"
}
do_test_pedit_ip4()
{
local locus=$1; shift
local pedit_addr=$1; shift
local flower_addr=$1; shift
do_test_pedit_ip "$locus" "$pedit_addr set 198.51.100.1" ip \
"$flower_addr 198.51.100.1" \
"-A 192.0.2.1 -B 192.0.2.2"
}
test_ip4_src()
{
do_test_pedit_ip4 "dev $swp1 ingress" "ip src" src_ip
do_test_pedit_ip4 "dev $swp2 egress" "ip src" src_ip
}
test_ip4_dst()
{
do_test_pedit_ip4 "dev $swp1 ingress" "ip dst" dst_ip
do_test_pedit_ip4 "dev $swp2 egress" "ip dst" dst_ip
}
test_ip6_src()
{
do_test_pedit_ip6 "dev $swp1 ingress" "ip6 src" src_ip
do_test_pedit_ip6 "dev $swp2 egress" "ip6 src" src_ip
}
test_ip6_dst()
{
do_test_pedit_ip6 "dev $swp1 ingress" "ip6 dst" dst_ip
do_test_pedit_ip6 "dev $swp2 egress" "ip6 dst" dst_ip
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
|
