| // Copyright 2020 The gVisor Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package stack |
| |
| import ( |
| "testing" |
| |
| "gvisor.dev/gvisor/pkg/tcpip/buffer" |
| ) |
| |
| func TestDisabledRxStatsWhenNICDisabled(t *testing.T) { |
| // When the NIC is disabled, the only field that matters is the stats field. |
| // This test is limited to stats counter checks. |
| nic := NIC{ |
| stats: makeNICStats(), |
| } |
| |
| if got := nic.stats.DisabledRx.Packets.Value(); got != 0 { |
| t.Errorf("got DisabledRx.Packets = %d, want = 0", got) |
| } |
| if got := nic.stats.DisabledRx.Bytes.Value(); got != 0 { |
| t.Errorf("got DisabledRx.Bytes = %d, want = 0", got) |
| } |
| if got := nic.stats.Rx.Packets.Value(); got != 0 { |
| t.Errorf("got Rx.Packets = %d, want = 0", got) |
| } |
| if got := nic.stats.Rx.Bytes.Value(); got != 0 { |
| t.Errorf("got Rx.Bytes = %d, want = 0", got) |
| } |
| |
| if t.Failed() { |
| t.FailNow() |
| } |
| |
| nic.DeliverNetworkPacket(nil, "", "", 0, PacketBuffer{Data: buffer.View([]byte{1, 2, 3, 4}).ToVectorisedView()}) |
| |
| if got := nic.stats.DisabledRx.Packets.Value(); got != 1 { |
| t.Errorf("got DisabledRx.Packets = %d, want = 1", got) |
| } |
| if got := nic.stats.DisabledRx.Bytes.Value(); got != 4 { |
| t.Errorf("got DisabledRx.Bytes = %d, want = 4", got) |
| } |
| if got := nic.stats.Rx.Packets.Value(); got != 0 { |
| t.Errorf("got Rx.Packets = %d, want = 0", got) |
| } |
| if got := nic.stats.Rx.Bytes.Value(); got != 0 { |
| t.Errorf("got Rx.Bytes = %d, want = 0", got) |
| } |
| } |