add EthLinkPoller;

nets/nets.go

@@ -6,8 +6,8 @@ import (
 	"time"
 )
 
-//go:linkname UseNetdev net.useNetdev
+//go:linkname UseStack net.useNetdev
-func UseNetdev(dev Stack)
+func UseStack(stack Stack)
 
 // GethostByName() errors
 var (
@@ -61,6 +61,16 @@ type Link interface {
 	LinkStatus() LinkStatus
 }
 
+type EthLinkPoller interface {
+	Link
+	// SendEth sends an Ethernet packet
+	SendEth(pkt []byte) error
+	// RecvEthHandle sets recieve Ethernet packet callback function
+	RecvEthHandle(func(pkt []byte) error)
+	// PollOne tries to receive one Ethernet packet and returns true if one was
+	PollOne() (bool, error)
+}
+
 type LinkWifi interface {
 	Link
 	// Connect device to network