diff options
-rwxr-xr-x | tools/testing/selftests/netfilter/nft_flowtable.sh | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh index 51f986f19fee..a32f490f7539 100755 --- a/tools/testing/selftests/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/netfilter/nft_flowtable.sh @@ -188,6 +188,26 @@ if [ $? -ne 0 ]; then exit $ksft_skip fi +ip netns exec $ns2 nft -f - <<EOF +table inet filter { + counter ip4dscp0 { } + counter ip4dscp3 { } + + chain input { + type filter hook input priority 0; policy accept; + meta l4proto tcp goto { + ip dscp cs3 counter name ip4dscp3 accept + ip dscp 0 counter name ip4dscp0 accept + } + } +} +EOF + +if [ $? -ne 0 ]; then + echo "SKIP: Could not load nft ruleset" + exit $ksft_skip +fi + # test basic connectivity if ! ip netns exec $ns1 ping -c 1 -q 10.0.2.99 > /dev/null; then echo "ERROR: $ns1 cannot reach ns2" 1>&2 @@ -255,6 +275,60 @@ check_counters() fi } +check_dscp() +{ + local what=$1 + local ok=1 + + local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp3 | grep packets) + + local pc4=${counter%*bytes*} + local pc4=${pc4#*packets} + + local counter=$(ip netns exec $ns2 nft reset counter inet filter ip4dscp0 | grep packets) + local pc4z=${counter%*bytes*} + local pc4z=${pc4z#*packets} + + case "$what" in + "dscp_none") + if [ $pc4 -gt 0 ] || [ $pc4z -eq 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 == 0, dscp0 > 0, but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_fwd") + if [ $pc4 -eq 0 ] || [ $pc4z -eq 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 and dscp0 > 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_ingress") + if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + "dscp_egress") + if [ $pc4 -eq 0 ] || [ $pc4z -gt 0 ]; then + echo "FAIL: dscp counters do not match, expected dscp3 > 0, dscp0 == 0 but got $pc4,$pc4z" 1>&2 + ret=1 + ok=0 + fi + ;; + *) + echo "FAIL: Unknown DSCP check" 1>&2 + ret=1 + ok=0 + esac + + if [ $ok -eq 1 ] ;then + echo "PASS: $what: dscp packet counters match" + fi +} + check_transfer() { in=$1 @@ -325,6 +399,51 @@ test_tcp_forwarding() return $? } +test_tcp_forwarding_set_dscp() +{ + check_dscp "dscp_none" + +ip netns exec $nsr1 nft -f - <<EOF +table netdev dscpmangle { + chain setdscp0 { + type filter hook ingress device "veth0" priority 0; policy accept + ip dscp set cs3 + } +} +EOF +if [ $? -eq 0 ]; then + test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345 + check_dscp "dscp_ingress" + + ip netns exec $nsr1 nft delete table netdev dscpmangle +else + echo "SKIP: Could not load netdev:ingress for veth0" +fi + +ip netns exec $nsr1 nft -f - <<EOF +table netdev dscpmangle { + chain setdscp0 { + type filter hook egress device "veth1" priority 0; policy accept + ip dscp set cs3 + } +} +EOF +if [ $? -eq 0 ]; then + test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345 + check_dscp "dscp_egress" + + ip netns exec $nsr1 nft flush table netdev dscpmangle +else + echo "SKIP: Could not load netdev:egress for veth1" +fi + + # partial. If flowtable really works, then both dscp-is-0 and dscp-is-cs3 + # counters should have seen packets (before and after ft offload kicks in). + ip netns exec $nsr1 nft -a insert rule inet filter forward ip dscp set cs3 + test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345 + check_dscp "dscp_fwd" +} + test_tcp_forwarding_nat() { local lret @@ -394,6 +513,11 @@ table ip nat { } EOF +if ! test_tcp_forwarding_set_dscp $ns1 $ns2 0 ""; then + echo "FAIL: flow offload for ns1/ns2 with dscp update" 1>&2 + exit 0 +fi + if ! test_tcp_forwarding_nat $ns1 $ns2 0 ""; then echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2 ip netns exec $nsr1 nft list ruleset |