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-rw-r--r--pkg/tcpip/stack/registration.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go
index 5cbc946b6..f260eeb7f 100644
--- a/pkg/tcpip/stack/registration.go
+++ b/pkg/tcpip/stack/registration.go
@@ -18,6 +18,7 @@ import (
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
+ "gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/waiter"
)
@@ -436,6 +437,12 @@ type LinkEndpoint interface {
// Wait will not block if the endpoint hasn't started any goroutines
// yet, even if it might later.
Wait()
+
+ // ARPHardwareType returns the ARPHRD_TYPE of the link endpoint.
+ //
+ // See:
+ // https://github.com/torvalds/linux/blob/aa0c9086b40c17a7ad94425b3b70dd1fdd7497bf/include/uapi/linux/if_arp.h#L30
+ ARPHardwareType() header.ARPHardwareType
}
// InjectableLinkEndpoint is a LinkEndpoint where inbound packets are