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/fdbased/endpoint.go | |
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/fdbased/endpoint.go')
-rw-r--r-- | pkg/tcpip/link/fdbased/endpoint.go | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/pkg/tcpip/link/fdbased/endpoint.go b/pkg/tcpip/link/fdbased/endpoint.go index da74cd644..668514454 100644 --- a/pkg/tcpip/link/fdbased/endpoint.go +++ b/pkg/tcpip/link/fdbased/endpoint.go @@ -45,9 +45,10 @@ type endpoint struct { // its end of the communication pipe. closed func(*tcpip.Error) - vv *buffer.VectorisedView - iovecs []syscall.Iovec - views []buffer.View + vv *buffer.VectorisedView + iovecs []syscall.Iovec + views []buffer.View + attached bool } // Options specify the details about the fd-based endpoint to be created. @@ -96,9 +97,15 @@ func New(opts *Options) tcpip.LinkEndpointID { // Attach launches the goroutine that reads packets from the file descriptor and // dispatches them via the provided dispatcher. func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) { + e.attached = true go e.dispatchLoop(dispatcher) // S/R-FIXME } +// IsAttached implements stack.LinkEndpoint.IsAttached. +func (e *endpoint) IsAttached() bool { + return e.attached +} + // MTU implements stack.LinkEndpoint.MTU. It returns the value initialized // during construction. func (e *endpoint) MTU() uint32 { |