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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 | #!/bin/bash # SPDX-License-Identifier: GPL-2.0 ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \ mirred_egress_mirror_test matchall_mirred_egress_mirror_test \ gact_trap_test mirred_egress_to_ingress_test \ mirred_egress_to_ingress_tcp_test" NUM_NETIFS=4 source tc_common.sh source lib.sh require_command ncat tcflags="skip_hw" h1_create() { simple_if_init $h1 192.0.2.1/24 tc qdisc add dev $h1 clsact } h1_destroy() { tc qdisc del dev $h1 clsact simple_if_fini $h1 192.0.2.1/24 } h2_create() { simple_if_init $h2 192.0.2.2/24 tc qdisc add dev $h2 clsact } h2_destroy() { tc qdisc del dev $h2 clsact simple_if_fini $h2 192.0.2.2/24 } switch_create() { simple_if_init $swp1 192.0.2.2/24 tc qdisc add dev $swp1 clsact simple_if_init $swp2 192.0.2.1/24 } switch_destroy() { simple_if_fini $swp2 192.0.2.1/24 tc qdisc del dev $swp1 clsact simple_if_fini $swp1 192.0.2.2/24 } mirred_egress_test() { local action=$1 local protocol=$2 local classifier=$3 local classifier_args=$4 RET=0 tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \ dst_ip 192.0.2.2 action drop $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $h2 ingress" 101 1 check_fail $? "Matched without redirect rule inserted" tc filter add dev $swp1 ingress protocol $protocol pref 1 handle 101 \ $classifier $tcflags $classifier_args \ action mirred egress $action dev $swp2 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $h2 ingress" 101 1 check_err $? "Did not match incoming $action packet" tc filter del dev $swp1 ingress protocol $protocol pref 1 handle 101 \ $classifier tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower log_test "mirred egress $classifier $action ($tcflags)" } gact_drop_and_ok_test() { RET=0 tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \ $tcflags dst_ip 192.0.2.2 action drop $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $swp1 ingress" 102 1 check_err $? "Packet was not dropped" tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ $tcflags dst_ip 192.0.2.2 action ok $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $swp1 ingress" 101 1 check_err $? "Did not see passed packet" tc_check_packets "dev $swp1 ingress" 102 2 check_fail $? "Packet was dropped and it should not reach here" tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower log_test "gact drop and ok ($tcflags)" } gact_trap_test() { RET=0 if [[ "$tcflags" != "skip_sw" ]]; then return 0; fi tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ skip_hw dst_ip 192.0.2.2 action drop tc filter add dev $swp1 ingress protocol ip pref 3 handle 103 flower \ $tcflags dst_ip 192.0.2.2 action mirred egress redirect \ dev $swp2 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $swp1 ingress" 101 1 check_fail $? "Saw packet without trap rule inserted" tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \ $tcflags dst_ip 192.0.2.2 action trap $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q tc_check_packets "dev $swp1 ingress" 102 1 check_err $? "Packet was not trapped" tc_check_packets "dev $swp1 ingress" 101 1 check_err $? "Did not see trapped packet" tc filter del dev $swp1 ingress protocol ip pref 3 handle 103 flower tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower log_test "trap ($tcflags)" } mirred_egress_to_ingress_test() { RET=0 tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \ ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action \ ct commit nat src addr 192.0.2.2 pipe \ ct clear pipe \ ct commit nat dst addr 192.0.2.1 pipe \ mirred ingress redirect dev $h1 tc filter add dev $swp1 protocol ip pref 11 handle 111 ingress flower \ ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action drop tc filter add dev $swp1 protocol ip pref 12 handle 112 ingress flower \ ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 0 action pass $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t icmp "ping,id=42,seq=10" -q tc_check_packets "dev $h1 egress" 100 1 check_err $? "didn't mirror first packet" tc_check_packets "dev $swp1 ingress" 111 1 check_fail $? "didn't redirect first packet" tc_check_packets "dev $swp1 ingress" 112 1 check_err $? "didn't receive reply to first packet" ping 192.0.2.2 -I$h1 -c1 -w1 -q 1>/dev/null 2>&1 tc_check_packets "dev $h1 egress" 100 2 check_err $? "didn't mirror second packet" tc_check_packets "dev $swp1 ingress" 111 1 check_fail $? "didn't redirect second packet" tc_check_packets "dev $swp1 ingress" 112 2 check_err $? "didn't receive reply to second packet" tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower tc filter del dev $swp1 ingress protocol ip pref 11 handle 111 flower tc filter del dev $swp1 ingress protocol ip pref 12 handle 112 flower log_test "mirred_egress_to_ingress ($tcflags)" } mirred_egress_to_ingress_tcp_test() { mirred_e2i_tf1=$(mktemp) mirred_e2i_tf2=$(mktemp) RET=0 dd conv=sparse status=none if=/dev/zero bs=1M count=2 of=$mirred_e2i_tf1 tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \ $tcflags ip_proto tcp src_ip 192.0.2.1 dst_ip 192.0.2.2 \ action ct commit nat src addr 192.0.2.2 pipe \ action ct clear pipe \ action ct commit nat dst addr 192.0.2.1 pipe \ action ct clear pipe \ action skbedit ptype host pipe \ action mirred ingress redirect dev $h1 tc filter add dev $h1 protocol ip pref 101 handle 101 egress flower \ $tcflags ip_proto icmp \ action mirred ingress redirect dev $h1 tc filter add dev $h1 protocol ip pref 102 handle 102 ingress flower \ ip_proto icmp \ action drop ip vrf exec v$h1 ncat --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 & local rpid=$! ip vrf exec v$h1 ncat -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1 wait -n $rpid cmp -s $mirred_e2i_tf1 $mirred_e2i_tf2 check_err $? "server output check failed" $MZ $h1 -c 10 -p 64 -a $h1mac -b $h1mac -A 192.0.2.1 -B 192.0.2.1 \ -t icmp "ping,id=42,seq=5" -q tc_check_packets "dev $h1 egress" 101 10 check_err $? "didn't mirred redirect ICMP" tc_check_packets "dev $h1 ingress" 102 10 check_err $? "didn't drop mirred ICMP" local overlimits=$(tc_rule_stats_get ${h1} 101 egress .overlimits) test ${overlimits} = 10 check_err $? "wrong overlimits, expected 10 got ${overlimits}" tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower tc filter del dev $h1 egress protocol ip pref 101 handle 101 flower tc filter del dev $h1 ingress protocol ip pref 102 handle 102 flower rm -f $mirred_e2i_tf1 $mirred_e2i_tf2 log_test "mirred_egress_to_ingress_tcp ($tcflags)" } setup_prepare() { h1=${NETIFS[p1]} swp1=${NETIFS[p2]} swp2=${NETIFS[p3]} h2=${NETIFS[p4]} h1mac=$(mac_get $h1) h2mac=$(mac_get $h2) swp1origmac=$(mac_get $swp1) swp2origmac=$(mac_get $swp2) ip link set $swp1 address $h2mac ip link set $swp2 address $h1mac vrf_prepare h1_create h2_create switch_create } cleanup() { local tf pre_cleanup switch_destroy h2_destroy h1_destroy vrf_cleanup ip link set $swp2 address $swp2origmac ip link set $swp1 address $swp1origmac for tf in $mirred_e2i_tf1 $mirred_e2i_tf2; do rm -f $tf; done } mirred_egress_redirect_test() { mirred_egress_test "redirect" "ip" "flower" "dst_ip 192.0.2.2" } mirred_egress_mirror_test() { mirred_egress_test "mirror" "ip" "flower" "dst_ip 192.0.2.2" } matchall_mirred_egress_mirror_test() { mirred_egress_test "mirror" "all" "matchall" "" } trap cleanup EXIT setup_prepare setup_wait tests_run tc_offload_check if [[ $? -ne 0 ]]; then log_info "Could not test offloaded functionality" else tcflags="skip_sw" tests_run fi exit $EXIT_STATUS |