From e5c256daa1c9fa94ab8667b5f4e7c89eea8b0c32 Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Wed, 13 Jan 2016 11:52:43 +0000
Subject: [PATCH] add Bridge.Interface()

---
 router/bridge.go | 9 +++++++++
 router/fastdp.go | 4 ++++
 router/pcap.go   | 4 ++++
 3 files changed, 17 insertions(+)

diff --git a/router/bridge.go b/router/bridge.go
index 00481a0a..434669bd 100644
--- a/router/bridge.go
+++ b/router/bridge.go
@@ -1,5 +1,9 @@
 package router
 
+import (
+	"net"
+)
+
 // Interface to packet handling on the local virtual bridge
 type Bridge interface {
 	// Inject a packet to be delivered locally
@@ -9,6 +13,7 @@ type Bridge interface {
 	// should not be included.
 	StartConsumingPackets(BridgeConsumer) error
 
+	Interface() *net.Interface
 	String() string
 	Stats() map[string]int
 }
@@ -26,6 +31,10 @@ func (NullBridge) StartConsumingPackets(BridgeConsumer) error {
 	return nil
 }
 
+func (NullBridge) Interface() *net.Interface {
+	return nil
+}
+
 func (NullBridge) String() string {
 	return "<no bridge networking>"
 }
diff --git a/router/fastdp.go b/router/fastdp.go
index d0c5a43f..ad294bfd 100644
--- a/router/fastdp.go
+++ b/router/fastdp.go
@@ -204,6 +204,10 @@ func (fastdp *FastDatapath) Bridge() Bridge {
 	return fastDatapathBridge{fastdp}
 }
 
+func (fastdp fastDatapathBridge) Interface() *net.Interface {
+	return fastdp.iface
+}
+
 func (fastdp fastDatapathBridge) String() string {
 	return fmt.Sprint(fastdp.dpname, " (via ODP)")
 }
diff --git a/router/pcap.go b/router/pcap.go
index 848870be..781bb816 100644
--- a/router/pcap.go
+++ b/router/pcap.go
@@ -104,6 +104,10 @@ func newPcapHandle(ifName string, promisc bool, snaplen int, bufSz int) (handle
 	return
 }
 
+func (p *Pcap) Interface() *net.Interface {
+	return p.iface
+}
+
 func (p *Pcap) String() string {
 	return fmt.Sprint(p.iface.Name, " (via pcap)")
 }