diff options
| author | Kevin Krakauer <krakauer@google.com> | 2018-05-22 13:46:37 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-05-22 13:47:33 -0700 |
| commit | 705605f9011cfbd58f407ca84bc4c2d8cf39d80b (patch) | |
| tree | e08ede03814f377f2fa7421b6a724a62b601637a /pkg/tcpip/link/loopback | |
| parent | 3a6070dc9882d43b00bd66b23492daa422435c7c (diff) | |
sentry: Add simple SIOCGIFFLAGS support (IFF_RUNNING and IFF_PROMIS).
Establishes a way of communicating interface flags between netstack and
epsocket. More flags can be added over time.
PiperOrigin-RevId: 197616669
Change-Id: I230448c5fb5b7d2e8d69b41a451eb4e1096a0e30
Diffstat (limited to 'pkg/tcpip/link/loopback')
| -rw-r--r-- | pkg/tcpip/link/loopback/loopback.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/link/loopback/loopback.go b/pkg/tcpip/link/loopback/loopback.go index 1a9cd09d7..f38847949 100644 --- a/pkg/tcpip/link/loopback/loopback.go +++ b/pkg/tcpip/link/loopback/loopback.go @@ -32,6 +32,11 @@ func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) { e.dispatcher = dispatcher } +// IsAttached implements stack.LinkEndpoint.IsAttached. +func (e *endpoint) IsAttached() bool { + return e.dispatcher != nil +} + // MTU implements stack.LinkEndpoint.MTU. It returns a constant that matches the // linux loopback interface. func (*endpoint) MTU() uint32 { |