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| author | Zeling Feng <zeling@google.com> | 2021-07-30 15:38:51 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-07-30 15:41:36 -0700 |
| commit | 979d6e7d77b17e94defc29515180cc75d3560383 (patch) | |
| tree | 52c3f17c77ac0133669ca7817ed691e7bb53b673 /pkg/tcpip/link/qdisc/fifo/endpoint.go | |
| parent | c9aac64e0f6712f51166a4bfb1e66190e80e23ae (diff) | |
Support RTM_DELLINK
This change will allow us to remove the default link in a packetimpact test so
we can reduce indeterministic behaviors as required in https://fxbug.dev/78430.
This will also help with testing #1388.
Updates #578, #1388.
PiperOrigin-RevId: 387896847
Diffstat (limited to 'pkg/tcpip/link/qdisc/fifo/endpoint.go')
| -rw-r--r-- | pkg/tcpip/link/qdisc/fifo/endpoint.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/tcpip/link/qdisc/fifo/endpoint.go b/pkg/tcpip/link/qdisc/fifo/endpoint.go index b1a28491d..40bd5560b 100644 --- a/pkg/tcpip/link/qdisc/fifo/endpoint.go +++ b/pkg/tcpip/link/qdisc/fifo/endpoint.go @@ -115,6 +115,13 @@ func (e *endpoint) DeliverOutboundPacket(remote, local tcpip.LinkAddress, protoc // Attach implements stack.LinkEndpoint.Attach. func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) { + // nil means the NIC is being removed. + if dispatcher == nil { + e.lower.Attach(nil) + e.Wait() + e.dispatcher = nil + return + } e.dispatcher = dispatcher e.lower.Attach(e) } |