diff options
Diffstat (limited to 'tools/testing/selftests/net')
39 files changed, 423 insertions, 184 deletions
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 50818075e566..211753756bde 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -53,8 +53,7 @@ TEST_PROGS += bind_bhash.sh TEST_PROGS += ip_local_port_range.sh TEST_PROGS += rps_default_mask.sh TEST_PROGS += big_tcp.sh -TEST_PROGS_EXTENDED := in_netns.sh setup_loopback.sh setup_veth.sh -TEST_PROGS_EXTENDED += toeplitz_client.sh toeplitz.sh lib.sh +TEST_PROGS_EXTENDED := toeplitz_client.sh toeplitz.sh TEST_GEN_FILES = socket nettest TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy reuseport_addr_any TEST_GEN_FILES += tcp_mmap tcp_inq psock_snd txring_overwrite @@ -84,6 +83,7 @@ TEST_PROGS += sctp_vrf.sh TEST_GEN_FILES += sctp_hello TEST_GEN_FILES += csum TEST_GEN_FILES += nat6to4.o +TEST_GEN_FILES += xdp_dummy.o TEST_GEN_FILES += ip_local_port_range TEST_GEN_FILES += bind_wildcard TEST_PROGS += test_vxlan_mdb.sh @@ -95,6 +95,7 @@ TEST_PROGS += fq_band_pktlimit.sh TEST_PROGS += vlan_hw_filter.sh TEST_FILES := settings +TEST_FILES += in_netns.sh lib.sh net_helper.sh setup_loopback.sh setup_veth.sh include ../lib.mk @@ -104,7 +105,7 @@ $(OUTPUT)/tcp_inq: LDLIBS += -lpthread $(OUTPUT)/bind_bhash: LDLIBS += -lpthread $(OUTPUT)/io_uring_zerocopy_tx: CFLAGS += -I../../../include/ -# Rules to generate bpf obj nat6to4.o +# Rules to generate bpf objs CLANG ?= clang SCRATCH_DIR := $(OUTPUT)/tools BUILD_DIR := $(SCRATCH_DIR)/build @@ -139,7 +140,7 @@ endif CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG),$(CLANG_TARGET_ARCH)) -$(OUTPUT)/nat6to4.o: nat6to4.c $(BPFOBJ) | $(MAKE_DIRS) +$(OUTPUT)/nat6to4.o $(OUTPUT)/xdp_dummy.o: $(OUTPUT)/%.o : %.c $(BPFOBJ) | $(MAKE_DIRS) $(CLANG) -O2 --target=bpf -c $< $(CCINCLUDE) $(CLANG_SYS_INCLUDES) -o $@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \ diff --git a/tools/testing/selftests/net/big_tcp.sh b/tools/testing/selftests/net/big_tcp.sh index cde9a91c4797..2db9d15cd45f 100755 --- a/tools/testing/selftests/net/big_tcp.sh +++ b/tools/testing/selftests/net/big_tcp.sh @@ -122,7 +122,9 @@ do_netperf() { local netns=$1 [ "$NF" = "6" ] && serip=$SERVER_IP6 - ip net exec $netns netperf -$NF -t TCP_STREAM -H $serip 2>&1 >/dev/null + + # use large write to be sure to generate big tcp packets + ip net exec $netns netperf -$NF -t TCP_STREAM -l 1 -H $serip -- -m 262144 2>&1 >/dev/null } do_test() { diff --git a/tools/testing/selftests/net/cmsg_ipv6.sh b/tools/testing/selftests/net/cmsg_ipv6.sh index f30bd57d5e38..8bc23fb4c82b 100755 --- a/tools/testing/selftests/net/cmsg_ipv6.sh +++ b/tools/testing/selftests/net/cmsg_ipv6.sh @@ -89,7 +89,7 @@ for ovr in setsock cmsg both diff; do check_result $? 0 "TCLASS $prot $ovr - pass" while [ -d /proc/$BG ]; do - $NSEXE ./cmsg_sender -6 -p u $TGT6 1234 + $NSEXE ./cmsg_sender -6 -p $p $m $((TOS2)) $TGT6 1234 done tcpdump -r $TMPF -v 2>&1 | grep "class $TOS2" >> /dev/null @@ -126,7 +126,7 @@ for ovr in setsock cmsg both diff; do check_result $? 0 "HOPLIMIT $prot $ovr - pass" while [ -d /proc/$BG ]; do - $NSEXE ./cmsg_sender -6 -p u $TGT6 1234 + $NSEXE ./cmsg_sender -6 -p $p $m $LIM $TGT6 1234 done tcpdump -r $TMPF -v 2>&1 | grep "hlim $LIM[^0-9]" >> /dev/null diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index 19ff75051660..5e4390cac17e 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -19,17 +19,27 @@ CONFIG_BRIDGE_VLAN_FILTERING=y CONFIG_BRIDGE=y CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_VLAN_8021Q=y +CONFIG_GENEVE=m CONFIG_IFB=y CONFIG_INET_DIAG=y +CONFIG_INET_ESP=y +CONFIG_INET_ESP_OFFLOAD=y +CONFIG_NET_FOU=y +CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_IP_GRE=m CONFIG_NETFILTER=y CONFIG_NETFILTER_ADVANCED=y CONFIG_NF_CONNTRACK=m +CONFIG_IPV6_SIT=y +CONFIG_IP_DCCP=m CONFIG_NF_NAT=m CONFIG_IP6_NF_IPTABLES=m CONFIG_IP_NF_IPTABLES=m CONFIG_IP6_NF_NAT=m +CONFIG_IP6_NF_RAW=m CONFIG_IP_NF_NAT=m +CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_TARGET_TTL=m CONFIG_IPV6_GRE=m CONFIG_IPV6_SEG6_LWTUNNEL=y CONFIG_L2TP_ETH=m @@ -45,16 +55,26 @@ CONFIG_NF_TABLES=m CONFIG_NF_TABLES_IPV6=y CONFIG_NF_TABLES_IPV4=y CONFIG_NFT_NAT=m +CONFIG_NETFILTER_XT_MATCH_LENGTH=m +CONFIG_NET_ACT_CSUM=m +CONFIG_NET_ACT_CT=m CONFIG_NET_ACT_GACT=m +CONFIG_NET_ACT_PEDIT=m CONFIG_NET_CLS_BASIC=m +CONFIG_NET_CLS_BPF=m +CONFIG_NET_CLS_MATCHALL=m CONFIG_NET_CLS_U32=m CONFIG_NET_IPGRE_DEMUX=m CONFIG_NET_IPGRE=m +CONFIG_NET_IPIP=y CONFIG_NET_SCH_FQ_CODEL=m CONFIG_NET_SCH_HTB=m CONFIG_NET_SCH_FQ=m CONFIG_NET_SCH_ETF=m CONFIG_NET_SCH_NETEM=y +CONFIG_NET_SCH_PRIO=m +CONFIG_NFT_COMPAT=m +CONFIG_NF_FLOW_TABLE=m CONFIG_PSAMPLE=m CONFIG_TCP_MD5SIG=y CONFIG_TEST_BLACKHOLE_DEV=m @@ -63,7 +83,6 @@ CONFIG_TLS=m CONFIG_TRACEPOINTS=y CONFIG_NET_DROP_MONITOR=m CONFIG_NETDEVSIM=m -CONFIG_NET_FOU=m CONFIG_MPLS_ROUTING=m CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_SCH_INGRESS=m @@ -80,3 +99,4 @@ CONFIG_IP_SCTP=m CONFIG_NETFILTER_XT_MATCH_POLICY=m CONFIG_CRYPTO_ARIA=y CONFIG_XFRM_INTERFACE=m +CONFIG_XFRM_USER=m diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile index 452693514be4..4de92632f483 100644 --- a/tools/testing/selftests/net/forwarding/Makefile +++ b/tools/testing/selftests/net/forwarding/Makefile @@ -112,7 +112,7 @@ TEST_PROGS = bridge_fdb_learning_limit.sh \ vxlan_symmetric_ipv6.sh \ vxlan_symmetric.sh -TEST_PROGS_EXTENDED := devlink_lib.sh \ +TEST_FILES := devlink_lib.sh \ ethtool_lib.sh \ fib_offload_lib.sh \ forwarding.config.sample \ diff --git a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh index 9af9f6964808..c62331b2e006 100755 --- a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh +++ b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh @@ -327,10 +327,10 @@ locked_port_mab_redirect() RET=0 check_port_mab_support || return 0 - bridge link set dev $swp1 learning on locked on mab on tc qdisc add dev $swp1 clsact tc filter add dev $swp1 ingress protocol all pref 1 handle 101 flower \ action mirred egress redirect dev $swp2 + bridge link set dev $swp1 learning on locked on mab on ping_do $h1 192.0.2.2 check_err $? "Ping did not work with redirection" @@ -349,8 +349,8 @@ locked_port_mab_redirect() check_err $? "Locked entry not created after deleting filter" bridge fdb del `mac_get $h1` vlan 1 dev $swp1 master - tc qdisc del dev $swp1 clsact bridge link set dev $swp1 learning off locked off mab off + tc qdisc del dev $swp1 clsact log_test "Locked port MAB redirect" } diff --git a/tools/testing/selftests/net/forwarding/bridge_mdb.sh b/tools/testing/selftests/net/forwarding/bridge_mdb.sh index 61348f71728c..d9d587454d20 100755 --- a/tools/testing/selftests/net/forwarding/bridge_mdb.sh +++ b/tools/testing/selftests/net/forwarding/bridge_mdb.sh @@ -329,7 +329,7 @@ __cfg_test_port_ip_star_g() bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q " 0.00" check_err $? "(*, G) \"permanent\" entry has a pending group timer" - bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "\/0.00" + bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "/0.00" check_err $? "\"permanent\" source entry has a pending source timer" bridge mdb del dev br0 port $swp1 grp $grp vid 10 @@ -346,7 +346,7 @@ __cfg_test_port_ip_star_g() bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q " 0.00" check_fail $? "(*, G) EXCLUDE entry does not have a pending group timer" - bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "\/0.00" + bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "/0.00" check_err $? "\"blocked\" source entry has a pending source timer" bridge mdb del dev br0 port $swp1 grp $grp vid 10 @@ -363,7 +363,7 @@ __cfg_test_port_ip_star_g() bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q " 0.00" check_err $? "(*, G) INCLUDE entry has a pending group timer" - bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "\/0.00" + bridge -d -s mdb get dev br0 grp $grp vid 10 | grep -q "/0.00" check_fail $? "Source entry does not have a pending source timer" bridge mdb del dev br0 port $swp1 grp $grp vid 10 @@ -1252,14 +1252,17 @@ fwd_test() echo log_info "# Forwarding tests" + # Set the Max Response Delay to 100 centiseconds (1 second) so that the + # bridge will start forwarding according to its MDB soon after a + # multicast querier is enabled. + ip link set dev br0 type bridge mcast_query_response_interval 100 + # Forwarding according to MDB entries only takes place when the bridge # detects that there is a valid querier in the network. Set the bridge # as the querier and assign it a valid IPv6 link-local address to be # used as the source address for MLD queries. ip -6 address add fe80::1/64 nodad dev br0 ip link set dev br0 type bridge mcast_querier 1 - # Wait the default Query Response Interval (10 seconds) for the bridge - # to determine that there are no other queriers in the network. sleep 10 fwd_test_host @@ -1267,6 +1270,7 @@ fwd_test() ip link set dev br0 type bridge mcast_querier 0 ip -6 address del fe80::1/64 dev br0 + ip link set dev br0 type bridge mcast_query_response_interval 1000 } ctrl_igmpv3_is_in_test() diff --git a/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh b/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh index 20a7cb7222b8..c2420bb72c12 100755 --- a/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh +++ b/tools/testing/selftests/net/forwarding/tc_flower_l2_miss.sh @@ -209,14 +209,17 @@ test_l2_miss_multicast() # both registered and unregistered multicast traffic. bridge link set dev $swp2 mcast_router 2 + # Set the Max Response Delay to 100 centiseconds (1 second) so that the + # bridge will start forwarding according to its MDB soon after a + # multicast querier is enabled. + ip link set dev br1 type bridge mcast_query_response_interval 100 + # Forwarding according to MDB entries only takes place when the bridge # detects that there is a valid querier in the network. Set the bridge # as the querier and assign it a valid IPv6 link-local address to be # used as the source address for MLD queries. ip link set dev br1 type bridge mcast_querier 1 ip -6 address add fe80::1/64 nodad dev br1 - # Wait the default Query Response Interval (10 seconds) for the bridge - # to determine that there are no other queriers in the network. sleep 10 test_l2_miss_multicast_ipv4 @@ -224,6 +227,7 @@ test_l2_miss_multicast() ip -6 address del fe80::1/64 dev br1 ip link set dev br1 type bridge mcast_querier 0 + ip link set dev br1 type bridge mcast_query_response_interval 1000 bridge link set dev $swp2 mcast_router 1 } diff --git a/tools/testing/selftests/net/gro.sh b/tools/testing/selftests/net/gro.sh index 19352f106c1d..02c21ff4ca81 100755 --- a/tools/testing/selftests/net/gro.sh +++ b/tools/testing/selftests/net/gro.sh @@ -31,6 +31,11 @@ run_test() { 1>>log.txt wait "${server_pid}" exit_code=$? + if [[ ${test} == "large" && -n "${KSFT_MACHINE_SLOW}" && \ + ${exit_code} -ne 0 ]]; then + echo "Ignoring errors due to slow environment" 1>&2 + exit_code=0 + fi if [[ "${exit_code}" -eq 0 ]]; then break; fi diff --git a/tools/testing/selftests/net/ip_local_port_range.c b/tools/testing/selftests/net/ip_local_port_range.c index 0f217a1cc837..6ebd58869a63 100644 --- a/tools/testing/selftests/net/ip_local_port_range.c +++ b/tools/testing/selftests/net/ip_local_port_range.c @@ -16,6 +16,10 @@ #define IP_LOCAL_PORT_RANGE 51 #endif +#ifndef IPPROTO_MPTCP +#define IPPROTO_MPTCP 262 +#endif + static __u32 pack_port_range(__u16 lo, __u16 hi) { return (hi << 16) | (lo << 0); diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh index dca549443801..f9fe182dfbd4 100644 --- a/tools/testing/selftests/net/lib.sh +++ b/tools/testing/selftests/net/lib.sh @@ -4,6 +4,9 @@ ############################################################################## # Defines +WAIT_TIMEOUT=${WAIT_TIMEOUT:=20} +BUSYWAIT_TIMEOUT=$((WAIT_TIMEOUT * 1000)) # ms + # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 # namespace list created by setup_ns @@ -48,7 +51,7 @@ cleanup_ns() for ns in "$@"; do ip netns delete "${ns}" &> /dev/null - if ! busywait 2 ip netns list \| grep -vq "^$ns$" &> /dev/null; then + if ! busywait $BUSYWAIT_TIMEOUT ip netns list \| grep -vq "^$ns$" &> /dev/null; then echo "Warn: Failed to remove namespace $ns" ret=1 fi diff --git a/tools/testing/selftests/net/mptcp/config b/tools/testing/selftests/net/mptcp/config index e317c2e44dae..4f80014cae49 100644 --- a/tools/testing/selftests/net/mptcp/config +++ b/tools/testing/selftests/net/mptcp/config @@ -22,8 +22,11 @@ CONFIG_NFT_TPROXY=m CONFIG_NFT_SOCKET=m CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_MANGLE=m CONFIG_IP_NF_TARGET_REJECT=m CONFIG_IPV6_MULTIPLE_TABLES=y +CONFIG_IP6_NF_FILTER=m CONFIG_NET_ACT_CSUM=m CONFIG_NET_ACT_PEDIT=m CONFIG_NET_CLS_ACT=y diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 3a5b63026191..c07386e21e0a 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -643,13 +643,6 @@ kill_events_pids() mptcp_lib_kill_wait $evts_ns2_pid } -kill_tests_wait() -{ - #shellcheck disable=SC2046 - kill -SIGUSR1 $(ip netns pids $ns2) $(ip netns pids $ns1) - wait -} - pm_nl_set_limits() { local ns=$1 @@ -3453,7 +3446,7 @@ userspace_tests() chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 kill_events_pids - wait $tests_pid + mptcp_lib_kill_wait $tests_pid fi # userspace pm create destroy subflow @@ -3475,7 +3468,7 @@ userspace_tests() chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 kill_events_pids - wait $tests_pid + mptcp_lib_kill_wait $tests_pid fi # userspace pm create id 0 subflow @@ -3494,7 +3487,7 @@ userspace_tests() chk_mptcp_info subflows 1 subflows 1 chk_subflows_total 2 2 kill_events_pids - wait $tests_pid + mptcp_lib_kill_wait $tests_pid fi # userspace pm remove initial subflow @@ -3518,7 +3511,7 @@ userspace_tests() chk_mptcp_info subflows 1 subflows 1 chk_subflows_total 1 1 kill_events_pids - wait $tests_pid + mptcp_lib_kill_wait $tests_pid fi # userspace pm send RM_ADDR for ID 0 @@ -3544,7 +3537,7 @@ userspace_tests() chk_mptcp_info subflows 1 subflows 1 chk_subflows_total 1 1 kill_events_pids - wait $tests_pid + mptcp_lib_kill_wait $tests_pid fi } @@ -3558,7 +3551,8 @@ endpoint_tests() pm_nl_set_limits $ns2 2 2 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal speed=slow \ - run_tests $ns1 $ns2 10.0.1.1 2>/dev/null & + run_tests $ns1 $ns2 10.0.1.1 & + local tests_pid=$! wait_mpj $ns1 pm_nl_check_endpoint "creation" \ @@ -3573,7 +3567,7 @@ endpoint_tests() pm_nl_add_endpoint $ns2 10.0.2.2 flags signal pm_nl_check_endpoint "modif is allowed" \ $ns2 10.0.2.2 id 1 flags signal - kill_tests_wait + mptcp_lib_kill_wait $tests_pid fi if reset "delete and re-add" && @@ -3582,7 +3576,8 @@ endpoint_tests() pm_nl_set_limits $ns2 1 1 pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow test_linkfail=4 speed=20 \ - run_tests $ns1 $ns2 10.0.1.1 2>/dev/null & + run_tests $ns1 $ns2 10.0.1.1 & + local tests_pid=$! wait_mpj $ns2 chk_subflow_nr "before delete" 2 @@ -3597,7 +3592,7 @@ endpoint_tests() wait_mpj $ns2 chk_subflow_nr "after re-add" 2 chk_mptcp_info subflows 1 subflows 1 - kill_tests_wait + mptcp_lib_kill_wait $tests_pid fi } diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh index 022262a2cfe0..3a2abae5993e 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -6,7 +6,7 @@ readonly KSFT_FAIL=1 readonly KSFT_SKIP=4 # shellcheck disable=SC2155 # declare and assign separately -readonly KSFT_TEST=$(basename "${0}" | sed 's/\.sh$//g') +readonly KSFT_TEST="${MPTCP_LIB_KSFT_TEST:-$(basename "${0}" .sh)}" MPTCP_LIB_SUBTESTS=() diff --git a/tools/testing/selftests/net/mptcp/settings b/tools/testing/selftests/net/mptcp/settings index 79b65bdf05db..abc5648b59ab 100644 --- a/tools/testing/selftests/net/mptcp/settings +++ b/tools/testing/selftests/net/mptcp/settings @@ -1 +1 @@ -timeout=1200 +timeout=1800 diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh index ae8ad5d6fb9d..0cc964e6f2c1 100755 --- a/tools/testing/selftests/net/mptcp/simult_flows.sh +++ b/tools/testing/selftests/net/mptcp/simult_flows.sh @@ -284,12 +284,12 @@ done setup run_test 10 10 0 0 "balanced bwidth" -run_test 10 10 1 50 "balanced bwidth with unbalanced delay" +run_test 10 10 1 25 "balanced bwidth with unbalanced delay" # we still need some additional infrastructure to pass the following test-cases -run_test 30 10 0 0 "unbalanced bwidth" -run_test 30 10 1 50 "unbalanced bwidth with unbalanced delay" -run_test 30 10 50 1 "unbalanced bwidth with opposed, unbalanced delay" +run_test 10 3 0 0 "unbalanced bwidth" +run_test 10 3 1 25 "unbalanced bwidth with unbalanced delay" +run_test 10 3 25 1 "unbalanced bwidth with opposed, unbalanced delay" mptcp_lib_result_print_all_tap exit $ret diff --git a/tools/testing/selftests/net/net_helper.sh b/tools/testing/selftests/net/net_helper.sh index 4fe0befa13fb..6596fe03c77f 100755..100644 --- a/tools/testing/selftests/net/net_helper.sh +++ b/tools/testing/selftests/net/net_helper.sh @@ -8,13 +8,16 @@ wait_local_port_listen() local listener_ns="${1}" local port="${2}" local protocol="${3}" - local port_hex + local pattern local i - port_hex="$(printf "%04X" "${port}")" + pattern=":$(printf "%04X" "${port}") " + + # for tcp protocol additionally check the socket state + [ ${protocol} = "tcp" ] && pattern="${pattern}0A" for i in $(seq 10); do - if ip netns exec "${listener_ns}" cat /proc/net/"${protocol}"* | \ - grep -q "${port_hex}"; then + if ip netns exec "${listener_ns}" awk '{print $2" "$4}' \ + /proc/net/"${protocol}"* | grep -q "${pattern}"; then break fi sleep 0.1 diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh index f8499d4c87f3..36e40256ab92 100755 --- a/tools/testing/selftests/net/openvswitch/openvswitch.sh +++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh @@ -502,9 +502,22 @@ test_netlink_checks () { wc -l) == 2 ] || \ return 1 + info "Checking clone depth" ERR_MSG="Flow actions may not be safe on all matching packets" PRE_TEST=$(dmesg | grep -c "${ERR_MSG}") ovs_add_flow "test_netlink_checks" nv0 \ + 'in_port(1),eth(),eth_type(0x800),ipv4()' \ + 'clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(clone(drop)))))))))))))))))' \ + >/dev/null 2>&1 && return 1 + POST_TEST=$(dmesg | grep -c "${ERR_MSG}") + + if [ "$PRE_TEST" == "$POST_TEST" ]; then + info "failed - clone depth too large" + return 1 + fi + + PRE_TEST=$(dmesg | grep -c "${ERR_MSG}") + ovs_add_flow "test_netlink_checks" nv0 \ 'in_port(1),eth(),eth_type(0x0806),arp()' 'drop(0),2' \ &> /dev/null && return 1 POST_TEST=$(dmesg | grep -c "${ERR_MSG}") diff --git a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py index b97e621face9..5e0e539a323d 100644 --- a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py +++ b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py @@ -299,7 +299,7 @@ class ovsactions(nla): ("OVS_ACTION_ATTR_PUSH_NSH", "none"), ("OVS_ACTION_ATTR_POP_NSH", "flag"), ("OVS_ACTION_ATTR_METER", "none"), - ("OVS_ACTION_ATTR_CLONE", "none"), + ("OVS_ACTION_ATTR_CLONE", "recursive"), ("OVS_ACTION_ATTR_CHECK_PKT_LEN", "none"), ("OVS_ACTION_ATTR_ADD_MPLS", "none"), ("OVS_ACTION_ATTR_DEC_TTL", "none"), @@ -465,29 +465,42 @@ class ovsactions(nla): print_str += "pop_mpls" else: datum = self.get_attr(field[0]) - print_str += datum.dpstr(more) + if field[0] == "OVS_ACTION_ATTR_CLONE": + print_str += "clone(" + print_str += datum.dpstr(more) + print_str += ")" + else: + print_str += datum.dpstr(more) return print_str def parse(self, actstr): + totallen = len(actstr) while len(actstr) != 0: parsed = False + parencount = 0 if actstr.startswith("drop"): # If no reason is provided, the implicit drop is used (i.e no # action). If some reason is given, an explicit action is used. - actstr, reason = parse_extract_field( - actstr, - "drop(", - "([0-9]+)", - lambda x: int(x, 0), - False, - None, - ) + reason = None + if actstr.startswith("drop("): + parencount += 1 + + actstr, reason = parse_extract_field( + actstr, + "drop(", + "([0-9]+)", + lambda x: int(x, 0), + False, + None, + ) + if reason is not None: self["attrs"].append(["OVS_ACTION_ATTR_DROP", reason]) parsed = True else: - return + actstr = actstr[len("drop"): ] + return (totallen - len(actstr)) elif parse_starts_block(actstr, "^(\d+)", False, True): actstr, output = parse_extract_field( @@ -504,6 +517,7 @@ class ovsactions(nla): False, 0, ) + parencount += 1 self["attrs"].append(["OVS_ACTION_ATTR_RECIRC", recircid]) parsed = True @@ -516,12 +530,22 @@ class ovsactions(nla): for flat_act in parse_flat_map: if parse_starts_block(actstr, flat_act[0], False): - actstr += len(flat_act[0]) + actstr = actstr[len(flat_act[0]):] self["attrs"].append([flat_act[1]]) actstr = actstr[strspn(actstr, ", ") :] parsed = True - if parse_starts_block(actstr, "ct(", False): + if parse_starts_block(actstr, "clone(", False): + parencount += 1 + subacts = ovsactions() + actstr = actstr[len("clone("):] + parsedLen = subacts.parse(actstr) + lst = [] + self["attrs"].append(("OVS_ACTION_ATTR_CLONE", subacts)) + actstr = actstr[parsedLen:] + parsed = True + elif parse_starts_block(actstr, "ct(", False): + parencount += 1 actstr = actstr[len("ct(") :] ctact = ovsactions.ctact() @@ -553,6 +577,7 @@ class ovsactions(nla): natact = ovsactions.ctact.natattr() if actstr.startswith("("): + parencount += 1 t = None actstr = actstr[1:] if actstr.startswith("src"): @@ -607,15 +632,29 @@ class ovsactions(nla): actstr = actstr[strspn(actstr, ", ") :] ctact["attrs"].append(["OVS_CT_ATTR_NAT", natact]) - actstr = actstr[strspn(actstr, ",) ") :] + actstr = actstr[strspn(actstr, ", ") :] self["attrs"].append(["OVS_ACTION_ATTR_CT", ctact]) parsed = True - actstr = actstr[strspn(actstr, "), ") :] + actstr = actstr[strspn(actstr, ", ") :] + while parencount > 0: + parencount -= 1 + actstr = actstr[strspn(actstr, " "):] + if len(actstr) and actstr[0] != ")": + raise ValueError("Action str: '%s' unbalanced" % actstr) + actstr = actstr[1:] + + if len(actstr) and actstr[0] == ")": + return (totallen - len(actstr)) + + actstr = actstr[strspn(actstr, ", ") :] + if not parsed: raise ValueError("Action str: '%s' not supported" % actstr) + return (totallen - len(actstr)) + class ovskey(nla): nla_flags = NLA_F_NESTED @@ -2111,6 +2150,8 @@ def main(argv): ovsflow = OvsFlow() ndb = NDB() + sys.setrecursionlimit(100000) + if hasattr(args, "showdp"): found = False for iface in ndb.interfaces: diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index f10879788f61..cfc84958025a 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -199,6 +199,7 @@ # Same as above but with IPv6 source lib.sh +source net_helper.sh PAUSE_ON_FAIL=no VERBOSE=0 @@ -707,23 +708,23 @@ setup_xfrm6() { } setup_xfrm4udp() { - setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0" - setup_nettest_xfrm 4 4500 + setup_xfrm 4 ${veth4_a_addr} ${veth4_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \ + setup_nettest_xfrm 4 4500 } setup_xfrm6udp() { - setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0" - setup_nettest_xfrm 6 4500 + setup_xfrm 6 ${veth6_a_addr} ${veth6_b_addr} "encap espinudp 4500 4500 0.0.0.0" && \ + setup_nettest_xfrm 6 4500 } setup_xfrm4udprouted() { - setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0" - setup_nettest_xfrm 4 4500 + setup_xfrm 4 ${prefix4}.${a_r1}.1 ${prefix4}.${b_r1}.1 "encap espinudp 4500 4500 0.0.0.0" && \ + setup_nettest_xfrm 4 4500 } setup_xfrm6udprouted() { - setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0" - setup_nettest_xfrm 6 4500 + setup_xfrm 6 ${prefix6}:${a_r1}::1 ${prefix6}:${b_r1}::1 "encap espinudp 4500 4500 0.0.0.0" && \ + setup_nettest_xfrm 6 4500 } setup_routing_old() { @@ -1335,12 +1336,14 @@ test_pmtu_ipvX_over_bridged_vxlanY_or_geneveY_exception() { else TCPDST="TCP:[${dst}]:50000" fi - ${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000 STDOUT > $tmpoutfile & + ${ns_b} socat -T 3 -u -6 TCP-LISTEN:50000,reuseaddr STDOUT > $tmpoutfile & + local socat_pid=$! - sleep 1 + wait_local_port_listen ${NS_B} 50000 tcp - dd if=/dev/zero of=/dev/stdout status=none bs=1M count=1 | ${target} socat -T 3 -u STDIN $TCPDST,connect-timeout=3 + dd if=/dev/zero status=none bs=1M count=1 | ${target} socat -T 3 -u STDIN $TCPDST,connect-timeout=3 + wait ${socat_pid} size=$(du -sb $tmpoutfile) size=${size%%/tmp/*} @@ -1954,6 +1957,13 @@ check_command() { return 0 } +check_running() { + pid=${1} + cmd=${2} + + [ "$(cat /proc/${pid}/cmdline 2>/dev/null | tr -d '\0')" = "{cmd}" ] +} + test_cleanup_vxlanX_exception() { outer="${1}" encap="vxlan" @@ -1984,11 +1994,12 @@ test_cleanup_vxlanX_exception() { ${ns_a} ip link del dev veth_A-R1 & iplink_pid=$! - sleep 1 - if [ "$(cat /proc/${iplink_pid}/cmdline 2>/dev/null | tr -d '\0')" = "iplinkdeldevveth_A-R1" ]; then - err " can't delete veth device in a timely manner, PMTU dst likely leaked" - return 1 - fi + for i in $(seq 1 20); do + check_running ${iplink_pid} "iplinkdeldevveth_A-R1" || return 0 + sleep 0.1 + done + err " can't delete veth device in a timely manner, PMTU dst likely leaked" + return 1 } test_cleanup_ipv6_exception() { diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index 4667d74579d1..874a2952aa8e 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -440,7 +440,6 @@ kci_test_encap_vxlan() local ret=0 vxlan="test-vxlan0" vlan="test-vlan0" - testns="$1" run_cmd ip -netns "$testns" link add "$vxlan" type vxlan id 42 group 239.1.1.1 \ dev "$devdummy" dstport 4789 if [ $? -ne 0 ]; then @@ -485,7 +484,6 @@ kci_test_encap_fou() { local ret=0 name="test-fou" - testns="$1" run_cmd_grep 'Usage: ip fou' ip fou help if [ $? -ne 0 ];then end_test "SKIP: fou: iproute2 too old" @@ -526,8 +524,8 @@ kci_test_encap() run_cmd ip -netns "$testns" link set lo up run_cmd ip -netns "$testns" link add name "$devdummy" type dummy run_cmd ip -netns "$testns" link set "$devdummy" up - run_cmd kci_test_encap_vxlan "$testns" - run_cmd kci_test_encap_fou "$testns" + run_cmd kci_test_encap_vxlan + run_cmd kci_test_encap_fou ip netns del "$testns" return $ret diff --git a/tools/testing/selftests/net/setup_loopback.sh b/tools/testing/selftests/net/setup_loopback.sh index 2070b57849de..2070b57849de 100755..100644 --- a/tools/testing/selftests/net/setup_loopback.sh +++ b/tools/testing/selftests/net/setup_loopback.sh diff --git a/tools/testing/selftests/net/setup_veth.sh b/tools/testing/selftests/net/setup_veth.sh index a9a1759e035c..1f78a87f6f37 100644 --- a/tools/testing/selftests/net/setup_veth.sh +++ b/tools/testing/selftests/net/setup_veth.sh @@ -11,7 +11,7 @@ setup_veth_ns() { local -r ns_mac="$4" [[ -e /var/run/netns/"${ns_name}" ]] || ip netns add "${ns_name}" - echo 100000 > "/sys/class/net/${ns_dev}/gro_flush_timeout" + echo 1000000 > "/sys/class/net/${ns_dev}/gro_flush_timeout" ip link set dev "${ns_dev}" netns "${ns_name}" mtu 65535 ip -netns "${ns_name}" link set dev "${ns_dev}" up diff --git a/tools/testing/selftests/net/so_txtime.sh b/tools/testing/selftests/net/so_txtime.sh index 3f06f4d286a9..5e861ad32a42 100755 --- a/tools/testing/selftests/net/so_txtime.sh +++ b/tools/testing/selftests/net/so_txtime.sh @@ -5,6 +5,7 @@ set -e +readonly ksft_skip=4 readonly DEV="veth0" readonly BIN="./so_txtime" @@ -46,7 +47,7 @@ ip -netns "${NS2}" addr add 192.168.1.2/24 dev "${DEV}" ip -netns "${NS1}" addr add fd::1/64 dev "${DEV}" nodad ip -netns "${NS2}" addr add fd::2/64 dev "${DEV}" nodad -do_test() { +run_test() { local readonly IP="$1" local readonly CLOCK="$2" local readonly TXARGS="$3" @@ -64,12 +65,25 @@ do_test() { fi local readonly START="$(date +%s%N --date="+ 0.1 seconds")" + ip netns exec "${NS2}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${RXARGS}" -r & ip netns exec "${NS1}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${TXARGS}" wait "$!" } +do_test() { + run_test $@ + [ $? -ne 0 ] && ret=1 +} + +do_fail_test() { + run_test $@ + [ $? -eq 0 ] && ret=1 +} + ip netns exec "${NS1}" tc qdisc add dev "${DEV}" root fq +set +e +ret=0 do_test 4 mono a,-1 a,-1 do_test 6 mono a,0 a,0 do_test 6 mono a,10 a,10 @@ -77,13 +91,20 @@ do_test 4 mono a,10,b,20 a,10,b,20 do_test 6 mono a,20,b,10 b,20,a,20 if ip netns exec "${NS1}" tc qdisc replace dev "${DEV}" root etf clockid CLOCK_TAI delta 400000; then - ! do_test 4 tai a,-1 a,-1 - ! do_test 6 tai a,0 a,0 + do_fail_test 4 tai a,-1 a,-1 + do_fail_test 6 tai a,0 a,0 do_test 6 tai a,10 a,10 do_test 4 tai a,10,b,20 a,10,b,20 do_test 6 tai a,20,b,10 b,10,a,20 else echo "tc ($(tc -V)) does not support qdisc etf. skipping" + [ $ret -eq 0 ] && ret=$ksft_skip fi -echo OK. All tests passed +if [ $ret -eq 0 ]; then + echo OK. All tests passed +elif [[ $ret -ne $ksft_skip && -n "$KSFT_MACHINE_SLOW" ]]; then + echo "Ignoring errors due to slow environment" 1>&2 + ret=0 +fi +exit $ret diff --git a/tools/testing/selftests/net/tcp_ao/config b/tools/testing/selftests/net/tcp_ao/config new file mode 100644 index 000000000000..d3277a9de987 --- /dev/null +++ b/tools/testing/selftests/net/tcp_ao/config @@ -0,0 +1,10 @@ +CONFIG_CRYPTO_HMAC=y +CONFIG_CRYPTO_RMD160=y +CONFIG_CRYPTO_SHA1=y +CONFIG_IPV6_MULTIPLE_TABLES=y +CONFIG_IPV6=y +CONFIG_NET_L3_MASTER_DEV=y +CONFIG_NET_VRF=y +CONFIG_TCP_AO=y +CONFIG_TCP_MD5SIG=y +CONFIG_VETH=m diff --git a/tools/testing/selftests/net/tcp_ao/key-management.c b/tools/testing/selftests/net/tcp_ao/key-management.c index c48b4970ca17..24e62120b792 100644 --- a/tools/testing/selftests/net/tcp_ao/key-management.c +++ b/tools/testing/selftests/net/tcp_ao/key-management.c @@ -417,9 +417,9 @@ struct test_key { matches_vrf : 1, is_current : 1, is_rnext : 1, - used_on_handshake : 1, - used_after_accept : 1, - used_on_client : 1; + used_on_server_tx : 1, + used_on_client_tx : 1, + skip_counters_checks : 1; }; struct key_collection { @@ -609,16 +609,14 @@ static int key_collection_socket(bool server, unsigned int port) addr = &this_ip_dest; sndid = key->client_keyid; rcvid = key->server_keyid; - set_current = key->is_current; - set_rnext = key->is_rnext; + key->used_on_client_tx = set_current = key->is_current; + key->used_on_server_tx = set_rnext = key->is_rnext; } if (test_add_key_cr(sk, key->password, key->len, *addr, vrf, sndid, rcvid, key->maclen, key->alg, set_current, set_rnext)) test_key_error("setsockopt(TCP_AO_ADD_KEY)", key); - if (set_current || set_rnext) - key->used_on_handshake = 1; #ifdef DEBUG test_print("%s [%u/%u] key: { %s, %u:%u, %u, %u:%u:%u:%u (%u)}", server ? "server" : "client", i, collection.nr_keys, @@ -640,22 +638,22 @@ static void verify_counters(const char *tst_name, bool is_listen_sk, bool server for (i = 0; i < collection.nr_keys; i++) { struct test_key *key = &collection.keys[i]; uint8_t sndid, rcvid; - bool was_used; + bool rx_cnt_expected; + if (key->skip_counters_checks) + continue; if (server) { sndid = key->server_keyid; rcvid = key->client_keyid; - if (is_listen_sk) - was_used = key->used_on_handshake; - else - was_used = key->used_after_accept; + rx_cnt_expected = key->used_on_client_tx; } else { sndid = key->client_keyid; rcvid = key->server_keyid; - was_used = key->used_on_client; + rx_cnt_expected = key->used_on_server_tx; } - test_tcp_ao_key_counters_cmp(tst_name, a, b, was_used, + test_tcp_ao_key_counters_cmp(tst_name, a, b, + rx_cnt_expected ? TEST_CNT_KEY_GOOD : 0, sndid, rcvid); } test_tcp_ao_counters_free(a); @@ -843,7 +841,7 @@ static void end_server(const char *tst_name, int sk, synchronize_threads(); /* 4: verified => closed */ close(sk); - verify_counters(tst_name, true, false, begin, &end); + verify_counters(tst_name, false, true, begin, &end); synchronize_threads(); /* 5: counters */ } @@ -916,9 +914,8 @@ static int run_client(const char *tst_name, unsigned int port, current_index = nr_keys - 1; if (rnext_index < 0) rnext_index = nr_keys - 1; - collection.keys[current_index].used_on_handshake = 1; - collection.keys[rnext_index].used_after_accept = 1; - collection.keys[rnext_index].used_on_client = 1; + collection.keys[current_index].used_on_client_tx = 1; + collection.keys[rnext_index].used_on_server_tx = 1; synchronize_threads(); /* 3: accepted => send data */ if (test_client_verify(sk, msg_sz, msg_nr, TEST_TIMEOUT_SEC)) { @@ -1059,7 +1056,16 @@ static void check_current_back(const char *tst_name, unsigned int port, test_error("Can't change the current key"); if (test_client_verify(sk, msg_len, nr_packets, TEST_TIMEOUT_SEC)) test_fail("verify failed"); - collection.keys[rotate_to_index].used_after_accept = 1; + /* There is a race here: between setting the current_key with + * setsockopt(TCP_AO_INFO) and starting to send some data - there + * might have been a segment received with the desired + * RNext_key set. In turn that would mean that the first outgoing + * segment will have the desired current_key (flipped back). + * Which is what the user/test wants. As it's racy, skip checking + * the counters, yet check what are the resulting current/rnext + * keys on both sides. + */ + collection.keys[rotate_to_index].skip_counters_checks = 1; end_client(tst_name, sk, nr_keys, current_index, rnext_index, &tmp); } @@ -1089,7 +1095,7 @@ static void roll_over_keys(const char *tst_name, unsigned int port, } verify_current_rnext(tst_name, sk, -1, collection.keys[i].server_keyid); - collection.keys[i].used_on_client = 1; + collection.keys[i].used_on_server_tx = 1; synchronize_threads(); /* verify current/rnext */ } end_client(tst_name, sk, nr_keys, current_index, rnext_index, &tmp); diff --git a/tools/testing/selftests/net/tcp_ao/lib/sock.c b/tools/testing/selftests/net/tcp_ao/lib/sock.c index c75d82885a2e..15aeb0963058 100644 --- a/tools/testing/selftests/net/tcp_ao/lib/sock.c +++ b/tools/testing/selftests/net/tcp_ao/lib/sock.c @@ -62,7 +62,9 @@ int test_wait_fd(int sk, time_t sec, bool write) return -ETIMEDOUT; } - if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &ret, &slen) || ret) + if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &ret, &slen)) + return -errno; + if (ret) return -ret; return 0; } @@ -584,9 +586,11 @@ int test_client_verify(int sk, const size_t msg_len, const size_t nr, { size_t buf_sz = msg_len * nr; char *buf = alloca(buf_sz); + ssize_t ret; randomize_buffer(buf, buf_sz); - if (test_client_loop(sk, buf, buf_sz, msg_len, timeout_sec) != buf_sz) - return -1; - return 0; + ret = test_client_loop(sk, buf, buf_sz, msg_len, timeout_sec); + if (ret < 0) + return (int)ret; + return ret != buf_sz ? -1 : 0; } diff --git a/tools/testing/selftests/net/tcp_ao/rst.c b/tools/testing/selftests/net/tcp_ao/rst.c index ac06009a7f5f..7df8b8700e39 100644 --- a/tools/testing/selftests/net/tcp_ao/rst.c +++ b/tools/testing/selftests/net/tcp_ao/rst.c @@ -1,10 +1,33 @@ // SPDX-License-Identifier: GPL-2.0 -/* Author: Dmitry Safonov <dima@arista.com> */ +/* + * The test checks that both active and passive reset have correct TCP-AO + * signature. An "active" reset (abort) here is procured from closing + * listen() socket with non-accepted connections in the queue: + * inet_csk_listen_stop() => inet_child_forget() => + * => tcp_disconnect() => tcp_send_active_reset() + * + * The passive reset is quite hard to get on established TCP connections. + * It could be procured from non-established states, but the synchronization + * part from userspace in order to reliably get RST seems uneasy. + * So, instead it's procured by corrupting SEQ number on TIMED-WAIT state. + * + * It's important to test both passive and active RST as they go through + * different code-paths: + * - tcp_send_active_reset() makes no-data skb, sends it with tcp_transmit_skb() + * - tcp_v*_send_reset() create their reply skbs and send them with + * ip_send_unicast_reply() + * + * In both cases TCP-AO signatures have to be correct, which is verified by + * (1) checking that the TCP-AO connection was reset and (2) TCP-AO counters. + * + * Author: Dmitry Safonov <dima@arista.com> + */ #include <inttypes.h> #include "../../../../include/linux/kernel.h" #include "aolib.h" const size_t quota = 1000; +const size_t packet_sz = 100; /* * Backlog == 0 means 1 connection in queue, see: * commit 64a146513f8f ("[NET]: Revert incorrect accept queue...") @@ -59,26 +82,6 @@ static void close_forced(int sk) close(sk); } -static int test_wait_for_exception(int sk, time_t sec) -{ - struct timeval tv = { .tv_sec = sec }; - struct timeval *ptv = NULL; - fd_set efds; - int ret; - - FD_ZERO(&efds); - FD_SET(sk, &efds); - - if (sec) - ptv = &tv; - - errno = 0; - ret = select(sk + 1, NULL, NULL, &efds, ptv); - if (ret < 0) - return -errno; - return ret ? sk : 0; -} - static void test_server_active_rst(unsigned int port) { struct tcp_ao_counters cnt1, cnt2; @@ -155,17 +158,16 @@ static void test_server_passive_rst(unsigned int port) test_fail("server returned %zd", bytes); } - synchronize_threads(); /* 3: chekpoint/restore the connection */ + synchronize_threads(); /* 3: checkpoint the client */ + synchronize_threads(); /* 4: close the server, creating twsk */ if (test_get_tcp_ao_counters(sk, &ao2)) test_error("test_get_tcp_ao_counters()"); - - synchronize_threads(); /* 4: terminate server + send more on client */ - bytes = test_server_run(sk, quota, TEST_RETRANSMIT_SEC); close(sk); + + synchronize_threads(); /* 5: restore the socket, send more data */ test_tcp_ao_counters_cmp("passive RST server", &ao1, &ao2, TEST_CNT_GOOD); - synchronize_threads(); /* 5: verified => closed */ - close(sk); + synchronize_threads(); /* 6: server exits */ } static void *server_fn(void *arg) @@ -284,7 +286,7 @@ static void test_client_active_rst(unsigned int port) test_error("test_wait_fds(): %d", err); synchronize_threads(); /* 3: close listen socket */ - if (test_client_verify(sk[0], 100, quota / 100, TEST_TIMEOUT_SEC)) + if (test_client_verify(sk[0], packet_sz, quota / packet_sz, TEST_TIMEOUT_SEC)) test_fail("Failed to send data on connected socket"); else test_ok("Verified established tcp connection"); @@ -323,7 +325,6 @@ static void test_client_passive_rst(unsigned int port) struct tcp_sock_state img; sockaddr_af saddr; int sk, err; - socklen_t slen = sizeof(err); sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); if (sk < 0) @@ -337,18 +338,51 @@ static void test_client_passive_rst(unsigned int port) test_error("failed to connect()"); synchronize_threads(); /* 2: accepted => send data */ - if (test_client_verify(sk, 100, quota / 100, TEST_TIMEOUT_SEC)) + if (test_client_verify(sk, packet_sz, quota / packet_sz, TEST_TIMEOUT_SEC)) test_fail("Failed to send data on connected socket"); else test_ok("Verified established tcp connection"); - synchronize_threads(); /* 3: chekpoint/restore the connection */ + synchronize_threads(); /* 3: checkpoint the client */ test_enable_repair(sk); test_sock_checkpoint(sk, &img, &saddr); test_ao_checkpoint(sk, &ao_img); - test_kill_sk(sk); + test_disable_repair(sk); - img.out.seq += quota; + synchronize_threads(); /* 4: close the server, creating twsk */ + + /* + * The "corruption" in SEQ has to be small enough to fit into TCP + * window, see tcp_timewait_state_process() for out-of-window + * segments. + */ + img.out.seq += 5; /* 5 is more noticeable in tcpdump than 1 */ + + /* + * FIXME: This is kind-of ugly and dirty, but it works. + * + * At this moment, the server has close'ed(sk). + * The passive RST that is being targeted here is new data after + * half-duplex close, see tcp_timewait_state_process() => TCP_TW_RST + * + * What is needed here is: + * (1) wait for FIN from the server + * (2) make sure that the ACK from the client went out + * (3) make sure that the ACK was received and processed by the server + * + * Otherwise, the data that will be sent from "repaired" socket + * post SEQ corruption may get to the server before it's in + * TCP_FIN_WAIT2. + * + * (1) is easy with select()/poll() + * (2) is possible by polling tcpi_state from TCP_INFO + * (3) is quite complex: as server's socket was already closed, + * probably the way to do it would be tcp-diag. + */ + sleep(TEST_RETRANSMIT_SEC); + + synchronize_threads(); /* 5: restore the socket, send more data */ + test_kill_sk(sk); sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); if (sk < 0) @@ -366,25 +400,33 @@ static void test_client_passive_rst(unsigned int port) test_disable_repair(sk); test_sock_state_free(&img); - synchronize_threads(); /* 4: terminate server + send more on client */ - if (test_client_verify(sk, 100, quota / 100, 2 * TEST_TIMEOUT_SEC)) - test_ok("client connection broken post-seq-adjust"); - else - test_fail("client connection still works post-seq-adjust"); - - test_wait_for_exception(sk, TEST_TIMEOUT_SEC); - - if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &err, &slen)) - test_error("getsockopt()"); - if (err != ECONNRESET && err != EPIPE) - test_fail("client connection was not reset: %d", err); + /* + * This is how "passive reset" is acquired in this test from TCP_TW_RST: + * + * IP 10.0.254.1.7011 > 10.0.1.1.59772: Flags [P.], seq 901:1001, ack 1001, win 249, + * options [tcp-ao keyid 100 rnextkeyid 100 mac 0x10217d6c36a22379086ef3b1], length 100 + * IP 10.0.254.1.7011 > 10.0.1.1.59772: Flags [F.], seq 1001, ack 1001, win 249, + * options [tcp-ao keyid 100 rnextkeyid 100 mac 0x104ffc99b98c10a5298cc268], length 0 + * IP 10.0.1.1.59772 > 10.0.254.1.7011: Flags [.], ack 1002, win 251, + * options [tcp-ao keyid 100 rnextkeyid 100 mac 0xe496dd4f7f5a8a66873c6f93,nop,nop,sack 1 {1001:1002}], length 0 + * IP 10.0.1.1.59772 > 10.0.254.1.7011: Flags [P.], seq 1006:1106, ack 1001, win 251, + * options [tcp-ao keyid 100 rnextkeyid 100 mac 0x1b5f3330fb23fbcd0c77d0ca], length 100 + * IP 10.0.254.1.7011 > 10.0.1.1.59772: Flags [R], seq 3215596252, win 0, + * options [tcp-ao keyid 100 rnextkeyid 100 mac 0x0bcfbbf497bce844312304b2], length 0 + */ + err = test_client_verify(sk, packet_sz, quota / packet_sz, 2 * TEST_TIMEOUT_SEC); + /* Make sure that the connection was reset, not timeouted */ + if (err && err == -ECONNRESET) + test_ok("client sock was passively reset post-seq-adjust"); + else if (err) + test_fail("client sock was not reset post-seq-adjust: %d", err); else - test_ok("client connection was reset"); + test_fail("client sock is yet connected post-seq-adjust"); if (test_get_tcp_ao_counters(sk, &ao2)) test_error("test_get_tcp_ao_counters()"); - synchronize_threads(); /* 5: verified => closed */ + synchronize_threads(); /* 6: server exits */ close(sk); test_tcp_ao_counters_cmp("client passive RST", &ao1, &ao2, TEST_CNT_GOOD); } @@ -410,6 +452,6 @@ static void *client_fn(void *arg) int main(int argc, char *argv[]) { - test_init(15, server_fn, client_fn); + test_init(14, server_fn, client_fn); return 0; } diff --git a/tools/testing/selftests/net/tcp_ao/settings b/tools/testing/selftests/net/tcp_ao/settings new file mode 100644 index 000000000000..6091b45d226b --- /dev/null +++ b/tools/testing/selftests/net/tcp_ao/settings @@ -0,0 +1 @@ +timeout=120 diff --git a/tools/testing/selftests/net/tcp_ao/unsigned-md5.c b/tools/testing/selftests/net/tcp_ao/unsigned-md5.c index c5b568cd7d90..6b59a652159f 100644 --- a/tools/testing/selftests/net/tcp_ao/unsigned-md5.c +++ b/tools/testing/selftests/net/tcp_ao/unsigned-md5.c @@ -110,9 +110,9 @@ static void try_accept(const char *tst_name, unsigned int port, test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected); out: - synchronize_threads(); /* close() */ + synchronize_threads(); /* test_kill_sk() */ if (sk > 0) - close(sk); + test_kill_sk(sk); } static void server_add_routes(void) @@ -302,10 +302,10 @@ static void try_connect(const char *tst_name, unsigned int port, test_ok("%s: connected", tst_name); out: - synchronize_threads(); /* close() */ + synchronize_threads(); /* test_kill_sk() */ /* _test_connect_socket() cleans up on failure */ if (ret > 0) - close(sk); + test_kill_sk(sk); } #define PREINSTALL_MD5_FIRST BIT(0) @@ -486,10 +486,10 @@ static void try_to_add(const char *tst_name, unsigned int port, } out: - synchronize_threads(); /* close() */ + synchronize_threads(); /* test_kill_sk() */ /* _test_connect_socket() cleans up on failure */ if (ret > 0) - close(sk); + test_kill_sk(sk); } static void client_add_ip(union tcp_addr *client, const char *ip) diff --git a/tools/testing/selftests/net/test_bridge_backup_port.sh b/tools/testing/selftests/net/test_bridge_backup_port.sh index 70a7d87ba2d2..1b3f89e2b86e 100755 --- a/tools/testing/selftests/net/test_bridge_backup_port.sh +++ b/tools/testing/selftests/net/test_bridge_backup_port.sh @@ -124,6 +124,16 @@ tc_check_packets() [[ $pkts == $count ]] } +bridge_link_check() +{ + local ns=$1; shift + local dev=$1; shift + local state=$1; shift + + bridge -n $ns -d -j link show dev $dev | \ + jq -e ".[][\"state\"] == \"$state\"" &> /dev/null +} + ################################################################################ # Setup @@ -259,6 +269,7 @@ backup_port() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -268,6 +279,7 @@ backup_port() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier on" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 forwarding log_test $? 0 "swp1 carrier on" # Configure vx0 as the backup port of swp1 and check that packets are @@ -284,6 +296,7 @@ backup_port() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -293,6 +306,7 @@ backup_port() log_test $? 0 "Forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier on" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 forwarding log_test $? 0 "swp1 carrier on" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -314,6 +328,7 @@ backup_port() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -369,6 +384,7 @@ backup_nhid() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -382,6 +398,7 @@ backup_nhid() log_test $? 0 "Forwarding using VXLAN FDB entry" run_cmd "ip -n $sw1 link set dev swp1 carrier on" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 forwarding log_test $? 0 "swp1 carrier on" # Configure nexthop ID 10 as the backup nexthop ID of swp1 and check @@ -398,6 +415,7 @@ backup_nhid() log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -411,6 +429,7 @@ backup_nhid() log_test $? 0 "No forwarding using VXLAN FDB entry" run_cmd "ip -n $sw1 link set dev swp1 carrier on" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 forwarding log_test $? 0 "swp1 carrier on" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -441,6 +460,7 @@ backup_nhid() log_test $? 0 "No forwarding using VXLAN FDB entry" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -497,6 +517,7 @@ backup_nhid_invalid() log_test $? 0 "Valid nexthop as backup nexthop" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" @@ -604,7 +625,9 @@ backup_nhid_ping() run_cmd "bridge -n $sw2 link set dev swp1 backup_nhid 10" run_cmd "ip -n $sw1 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled run_cmd "ip -n $sw2 link set dev swp1 carrier off" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw2 swp1 disabled run_cmd "ip netns exec $sw1 ping -i 0.1 -c 10 -w $PING_TIMEOUT 192.0.2.66" log_test $? 0 "Ping with backup nexthop ID" diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index 7799e042a971..49c84602707f 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -1002,12 +1002,12 @@ TEST_F(tls, recv_partial) memset(recv_mem, 0, sizeof(recv_mem)); EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len); - EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first), - MSG_WAITALL), -1); + EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_first), + MSG_WAITALL), strlen(test_str_first)); EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0); memset(recv_mem, 0, sizeof(recv_mem)); - EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second), - MSG_WAITALL), -1); + EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_second), + MSG_WAITALL), strlen(test_str_second)); EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)), 0); } @@ -1874,13 +1874,13 @@ TEST_F(tls_err, poll_partial_rec_async) /* Child should sleep in poll(), never get a wake */ pfd.fd = self->cfd2; pfd.events = POLLIN; - EXPECT_EQ(poll(&pfd, 1, 5), 0); + EXPECT_EQ(poll(&pfd, 1, 20), 0); EXPECT_EQ(write(p[1], &token, 1), 1); /* Barrier #1 */ pfd.fd = self->cfd2; pfd.events = POLLIN; - EXPECT_EQ(poll(&pfd, 1, 5), 1); + EXPECT_EQ(poll(&pfd, 1, 20), 1); exit(!_metadata->passed); } diff --git a/tools/testing/selftests/net/udpgro.sh b/tools/testing/selftests/net/udpgro.sh index af5dc57c8ce9..8802604148dd 100755 --- a/tools/testing/selftests/net/udpgro.sh +++ b/tools/testing/selftests/net/udpgro.sh @@ -7,7 +7,7 @@ source net_helper.sh readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" -BPF_FILE="../bpf/xdp_dummy.bpf.o" +BPF_FILE="xdp_dummy.o" # set global exit status, but never reset nonzero one. check_err() @@ -197,7 +197,7 @@ run_all() { } if [ ! -f ${BPF_FILE} ]; then - echo "Missing ${BPF_FILE}. Build bpf selftest first" + echo "Missing ${BPF_FILE}. Run 'make' first" exit -1 fi diff --git a/tools/testing/selftests/net/udpgro_bench.sh b/tools/testing/selftests/net/udpgro_bench.sh index cb664679b434..7080eae5312b 100755 --- a/tools/testing/selftests/net/udpgro_bench.sh +++ b/tools/testing/selftests/net/udpgro_bench.sh @@ -7,7 +7,7 @@ source net_helper.sh readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" -BPF_FILE="../bpf/xdp_dummy.bpf.o" +BPF_FILE="xdp_dummy.o" cleanup() { local -r jobs="$(jobs -p)" @@ -84,7 +84,7 @@ run_all() { } if [ ! -f ${BPF_FILE} ]; then - echo "Missing ${BPF_FILE}. Build bpf selftest first" + echo "Missing ${BPF_FILE}. Run 'make' first" exit -1 fi diff --git a/tools/testing/selftests/net/udpgro_frglist.sh b/tools/testing/selftests/net/udpgro_frglist.sh index dd47fa96f6b3..e1ff645bd3d1 100755 --- a/tools/testing/selftests/net/udpgro_frglist.sh +++ b/tools/testing/selftests/net/udpgro_frglist.sh @@ -7,7 +7,7 @@ source net_helper.sh readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)" -BPF_FILE="../bpf/xdp_dummy.bpf.o" +BPF_FILE="xdp_dummy.o" cleanup() { local -r jobs="$(jobs -p)" @@ -85,12 +85,12 @@ run_all() { } if [ ! -f ${BPF_FILE} ]; then - echo "Missing ${BPF_FILE}. Build bpf selftest first" + echo "Missing ${BPF_FILE}. Run 'make' first" exit -1 fi if [ ! -f nat6to4.o ]; then - echo "Missing nat6to4 helper. Build bpf nat6to4.o selftest first" + echo "Missing nat6to4 helper. Run 'make' first" exit -1 fi diff --git a/tools/testing/selftests/net/udpgro_fwd.sh b/tools/testing/selftests/net/udpgro_fwd.sh index c079565add39..9cd5e885e91f 100755 --- a/tools/testing/selftests/net/udpgro_fwd.sh +++ b/tools/testing/selftests/net/udpgro_fwd.sh @@ -1,7 +1,9 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 -BPF_FILE="../bpf/xdp_dummy.bpf.o" +source net_helper.sh + +BPF_FILE="xdp_dummy.o" readonly BASE="ns-$(mktemp -u XXXXXX)" readonly SRC=2 readonly DST=1 @@ -37,6 +39,10 @@ create_ns() { for ns in $NS_SRC $NS_DST; do ip netns add $ns ip -n $ns link set dev lo up + + # disable route solicitations to decrease 'noise' traffic + ip netns exec $ns sysctl -qw net.ipv6.conf.default.router_solicitations=0 + ip netns exec $ns sysctl -qw net.ipv6.conf.all.router_solicitations=0 done ip link add name veth$SRC type veth peer name veth$DST @@ -78,6 +84,12 @@ create_vxlan_pair() { create_vxlan_endpoint $BASE$ns veth$ns $BM_NET_V6$((3 - $ns)) vxlan6$ns 6 ip -n $BASE$ns addr add dev vxlan6$ns $OL_NET_V6$ns/24 nodad done + + # preload neighbur cache, do avoid some noisy traffic + local addr_dst=$(ip -j -n $BASE$DST link show dev vxlan6$DST |jq -r '.[]["address"]') + local addr_src=$(ip -j -n $BASE$SRC link show dev vxlan6$SRC |jq -r '.[]["address"]') + ip -n $BASE$DST neigh add dev vxlan6$DST lladdr $addr_src $OL_NET_V6$SRC + ip -n $BASE$SRC neigh add dev vxlan6$SRC lladdr $addr_dst $OL_NET_V6$DST } is_ipv6() { @@ -117,9 +129,9 @@ run_test() { # not enable GRO ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 4789 ip netns exec $NS_DST $ipt -A INPUT -p udp --dport 8000 - ip netns exec $NS_DST ./udpgso_bench_rx -C 1000 -R 10 -n 10 -l 1300 $rx_args & + ip netns exec $NS_DST ./udpgso_bench_rx -C 2000 -R 100 -n 10 -l 1300 $rx_args & local spid=$! - sleep 0.1 + wait_local_port_listen "$NS_DST" 8000 udp ip netns exec $NS_SRC ./udpgso_bench_tx $family -M 1 -s 13000 -S 1300 -D $dst local retc=$? wait $spid @@ -166,9 +178,9 @@ run_bench() { # bind the sender and the receiver to different CPUs to try # get reproducible results ip netns exec $NS_DST bash -c "echo 2 > /sys/class/net/veth$DST/queues/rx-0/rps_cpus" - ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 1000 -R 10 & + ip netns exec $NS_DST taskset 0x2 ./udpgso_bench_rx -C 2000 -R 100 & local spid=$! - sleep 0.1 + wait_local_port_listen "$NS_DST" 8000 udp ip netns exec $NS_SRC taskset 0x1 ./udpgso_bench_tx $family -l 3 -S 1300 -D $dst local retc=$? wait $spid diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c index f35a924d4a30..1cbadd267c96 100644 --- a/tools/testing/selftests/net/udpgso_bench_rx.c +++ b/tools/testing/selftests/net/udpgso_bench_rx.c @@ -375,7 +375,7 @@ static void do_recv(void) do_flush_udp(fd); tnow = gettimeofday_ms(); - if (tnow > treport) { + if (!cfg_expected_pkt_nr && tnow > treport) { if (packets) fprintf(stderr, "%s rx: %6lu MB/s %8lu calls/s\n", diff --git a/tools/testing/selftests/net/veth.sh b/tools/testing/selftests/net/veth.sh index 2d073595c620..27574bbf2d63 100755 --- a/tools/testing/selftests/net/veth.sh +++ b/tools/testing/selftests/net/veth.sh @@ -1,7 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 -BPF_FILE="../bpf/xdp_dummy.bpf.o" +BPF_FILE="xdp_dummy.o" readonly STATS="$(mktemp -p /tmp ns-XXXXXX)" readonly BASE=`basename $STATS` readonly SRC=2 @@ -218,7 +218,7 @@ while getopts "hs:" option; do done if [ ! -f ${BPF_FILE} ]; then - echo "Missing ${BPF_FILE}. Build bpf selftest first" + echo "Missing ${BPF_FILE}. Run 'make' first" exit 1 fi diff --git a/tools/testing/selftests/net/xdp_dummy.c b/tools/testing/selftests/net/xdp_dummy.c new file mode 100644 index 000000000000..d988b2e0cee8 --- /dev/null +++ b/tools/testing/selftests/net/xdp_dummy.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define KBUILD_MODNAME "xdp_dummy" +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +SEC("xdp") +int xdp_dummy_prog(struct xdp_md *ctx) +{ + return XDP_PASS; +} + +char _license[] SEC("license") = "GPL"; |