320 lines
8.0 KiB
Bash
320 lines
8.0 KiB
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
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mirred_egress_mirror_test matchall_mirred_egress_mirror_test \
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gact_trap_test mirred_egress_to_ingress_test \
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mirred_egress_to_ingress_tcp_test"
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NUM_NETIFS=4
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source tc_common.sh
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source lib.sh
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tcflags="skip_hw"
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/24
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tc qdisc add dev $h1 clsact
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}
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h1_destroy()
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{
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tc qdisc del dev $h1 clsact
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simple_if_fini $h1 192.0.2.1/24
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.2/24
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tc qdisc add dev $h2 clsact
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}
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h2_destroy()
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{
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tc qdisc del dev $h2 clsact
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simple_if_fini $h2 192.0.2.2/24
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}
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switch_create()
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{
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simple_if_init $swp1 192.0.2.2/24
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tc qdisc add dev $swp1 clsact
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simple_if_init $swp2 192.0.2.1/24
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}
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switch_destroy()
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{
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simple_if_fini $swp2 192.0.2.1/24
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tc qdisc del dev $swp1 clsact
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simple_if_fini $swp1 192.0.2.2/24
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}
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mirred_egress_test()
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{
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local action=$1
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local protocol=$2
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local classifier=$3
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local classifier_args=$4
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RET=0
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tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
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dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_fail $? "Matched without redirect rule inserted"
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tc filter add dev $swp1 ingress protocol $protocol pref 1 handle 101 \
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$classifier $tcflags $classifier_args \
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action mirred egress $action dev $swp2
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $h2 ingress" 101 1
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check_err $? "Did not match incoming $action packet"
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tc filter del dev $swp1 ingress protocol $protocol pref 1 handle 101 \
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$classifier
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tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
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log_test "mirred egress $classifier $action ($tcflags)"
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}
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gact_drop_and_ok_test()
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{
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RET=0
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tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action drop
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $swp1 ingress" 102 1
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check_err $? "Packet was not dropped"
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tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
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$tcflags dst_ip 192.0.2.2 action ok
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $swp1 ingress" 101 1
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check_err $? "Did not see passed packet"
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tc_check_packets "dev $swp1 ingress" 102 2
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check_fail $? "Packet was dropped and it should not reach here"
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tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower
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tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
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log_test "gact drop and ok ($tcflags)"
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}
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gact_trap_test()
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{
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RET=0
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if [[ "$tcflags" != "skip_sw" ]]; then
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return 0;
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fi
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tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
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skip_hw dst_ip 192.0.2.2 action drop
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tc filter add dev $swp1 ingress protocol ip pref 3 handle 103 flower \
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$tcflags dst_ip 192.0.2.2 action mirred egress redirect \
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dev $swp2
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $swp1 ingress" 101 1
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check_fail $? "Saw packet without trap rule inserted"
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tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \
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$tcflags dst_ip 192.0.2.2 action trap
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $swp1 ingress" 102 1
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check_err $? "Packet was not trapped"
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tc_check_packets "dev $swp1 ingress" 101 1
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check_err $? "Did not see trapped packet"
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tc filter del dev $swp1 ingress protocol ip pref 3 handle 103 flower
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tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower
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tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
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log_test "trap ($tcflags)"
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}
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mirred_egress_to_ingress_test()
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{
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RET=0
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tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \
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ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action \
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ct commit nat src addr 192.0.2.2 pipe \
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ct clear pipe \
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ct commit nat dst addr 192.0.2.1 pipe \
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mirred ingress redirect dev $h1
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tc filter add dev $swp1 protocol ip pref 11 handle 111 ingress flower \
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ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action drop
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tc filter add dev $swp1 protocol ip pref 12 handle 112 ingress flower \
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ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 0 action pass
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
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-t icmp "ping,id=42,seq=10" -q
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tc_check_packets "dev $h1 egress" 100 1
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check_err $? "didn't mirror first packet"
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tc_check_packets "dev $swp1 ingress" 111 1
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check_fail $? "didn't redirect first packet"
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tc_check_packets "dev $swp1 ingress" 112 1
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check_err $? "didn't receive reply to first packet"
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ping 192.0.2.2 -I$h1 -c1 -w1 -q 1>/dev/null 2>&1
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tc_check_packets "dev $h1 egress" 100 2
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check_err $? "didn't mirror second packet"
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tc_check_packets "dev $swp1 ingress" 111 1
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check_fail $? "didn't redirect second packet"
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tc_check_packets "dev $swp1 ingress" 112 2
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check_err $? "didn't receive reply to second packet"
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tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower
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tc filter del dev $swp1 ingress protocol ip pref 11 handle 111 flower
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tc filter del dev $swp1 ingress protocol ip pref 12 handle 112 flower
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log_test "mirred_egress_to_ingress ($tcflags)"
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}
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mirred_egress_to_ingress_tcp_test()
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{
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mirred_e2i_tf1=$(mktemp) mirred_e2i_tf2=$(mktemp)
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RET=0
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dd conv=sparse status=none if=/dev/zero bs=1M count=2 of=$mirred_e2i_tf1
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tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \
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$tcflags ip_proto tcp src_ip 192.0.2.1 dst_ip 192.0.2.2 \
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action ct commit nat src addr 192.0.2.2 pipe \
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action ct clear pipe \
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action ct commit nat dst addr 192.0.2.1 pipe \
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action ct clear pipe \
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action skbedit ptype host pipe \
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action mirred ingress redirect dev $h1
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tc filter add dev $h1 protocol ip pref 101 handle 101 egress flower \
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$tcflags ip_proto icmp \
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action mirred ingress redirect dev $h1
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tc filter add dev $h1 protocol ip pref 102 handle 102 ingress flower \
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ip_proto icmp \
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action drop
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ip vrf exec v$h1 nc --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 &
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local rpid=$!
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ip vrf exec v$h1 nc -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1
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wait -n $rpid
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cmp -s $mirred_e2i_tf1 $mirred_e2i_tf2
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check_err $? "server output check failed"
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$MZ $h1 -c 10 -p 64 -a $h1mac -b $h1mac -A 192.0.2.1 -B 192.0.2.1 \
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-t icmp "ping,id=42,seq=5" -q
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tc_check_packets "dev $h1 egress" 101 10
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check_err $? "didn't mirred redirect ICMP"
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tc_check_packets "dev $h1 ingress" 102 10
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check_err $? "didn't drop mirred ICMP"
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local overlimits=$(tc_rule_stats_get ${h1} 101 egress .overlimits)
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test ${overlimits} = 10
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check_err $? "wrong overlimits, expected 10 got ${overlimits}"
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tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower
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tc filter del dev $h1 egress protocol ip pref 101 handle 101 flower
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tc filter del dev $h1 ingress protocol ip pref 102 handle 102 flower
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rm -f $mirred_e2i_tf1 $mirred_e2i_tf2
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log_test "mirred_egress_to_ingress_tcp ($tcflags)"
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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h1mac=$(mac_get $h1)
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h2mac=$(mac_get $h2)
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swp1origmac=$(mac_get $swp1)
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swp2origmac=$(mac_get $swp2)
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ip link set $swp1 address $h2mac
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ip link set $swp2 address $h1mac
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vrf_prepare
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h1_create
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h2_create
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switch_create
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}
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cleanup()
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{
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local tf
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pre_cleanup
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switch_destroy
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h2_destroy
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h1_destroy
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vrf_cleanup
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ip link set $swp2 address $swp2origmac
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ip link set $swp1 address $swp1origmac
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for tf in $mirred_e2i_tf1 $mirred_e2i_tf2; do rm -f $tf; done
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}
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mirred_egress_redirect_test()
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{
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mirred_egress_test "redirect" "ip" "flower" "dst_ip 192.0.2.2"
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}
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mirred_egress_mirror_test()
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{
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mirred_egress_test "mirror" "ip" "flower" "dst_ip 192.0.2.2"
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}
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matchall_mirred_egress_mirror_test()
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{
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mirred_egress_test "mirror" "all" "matchall" ""
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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tests_run
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tc_offload_check
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if [[ $? -ne 0 ]]; then
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log_info "Could not test offloaded functionality"
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else
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tcflags="skip_sw"
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tests_run
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fi
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exit $EXIT_STATUS
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