When slowpath meter is configured, add meter action when translate sample action.
Signed-off-by: Andy Zhou <[email protected]> --- v1->v2: Fix test case 1128 failure. --- ofproto/ofproto-dpif-xlate.c | 14 ++++++++++++-- tests/ofproto-dpif.at | 14 ++++++++++++++ 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c index d8c6a7ccb38c..f34413b9bc94 100644 --- a/ofproto/ofproto-dpif-xlate.c +++ b/ofproto/ofproto-dpif-xlate.c @@ -2850,8 +2850,14 @@ compose_sample_action(struct xlate_ctx *ctx, return 0; } - /* No need to generate sample action for 100% sampling rate. */ - bool is_sample = probability < UINT32_MAX; + /* If the slow path meter is configured by the controller, + * insert a meter action before the user space action. */ + struct ofproto *ofproto = &ctx->xin->ofproto->up; + uint32_t meter_id = ofproto->slowpath_meter_id; + + /* When meter action is not required, avoid generate sample action + * for 100% sampling rate. */ + bool is_sample = probability < UINT32_MAX || meter_id != UINT32_MAX; size_t sample_offset, actions_offset; if (is_sample) { sample_offset = nl_msg_start_nested(ctx->odp_actions, @@ -2862,6 +2868,10 @@ compose_sample_action(struct xlate_ctx *ctx, OVS_SAMPLE_ATTR_ACTIONS); } + if (meter_id != UINT32_MAX) { + nl_msg_put_u32(ctx->odp_actions, OVS_ACTION_ATTR_METER, meter_id); + } + odp_port_t odp_port = ofp_port_to_odp_port( ctx->xbridge, ctx->xin->flow.in_port.ofp_port); uint32_t pid = dpif_port_get_pid(ctx->xbridge->dpif, odp_port, diff --git a/tests/ofproto-dpif.at b/tests/ofproto-dpif.at index 9f7c6beb0c58..22cb533b57bb 100644 --- a/tests/ofproto-dpif.at +++ b/tests/ofproto-dpif.at @@ -6490,6 +6490,20 @@ flow-dump from non-dpdk interfaces: packets:2, bytes:68, used:0.001s, actions:userspace(pid=0,ipfix(output_port=4294967295)) ]) +AT_CHECK([ovs-appctl revalidator/purge]) +dnl +dnl Add a slowpath meter. The userspace action should be metered. +AT_CHECK([ovs-ofctl -O OpenFlow13 add-meter br0 'meter=slowpath pktps burst stats bands=type=drop rate=3 burst_size=1']) + +dnl Send some packets that should be sampled and metered. +for i in `seq 1 3`; do + AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800)']) +done +AT_CHECK([ovs-appctl dpctl/dump-flows | sed 's/.*\(packets:\)/\1/' | sed 's/used:[[0-9]].[[0-9]]*s/used:0.001s/'], [0], [dnl +flow-dump from non-dpdk interfaces: +packets:2, bytes:68, used:0.001s, actions:sample(sample=100.0%,actions(meter(0),userspace(pid=0,ipfix(output_port=4294967295)))) +]) + dnl Remove the IPFIX configuration. AT_CHECK([ovs-vsctl clear bridge br0 ipfix]) AT_CHECK([ovs-appctl revalidator/purge]) -- 1.8.3.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
