Vendor github.com/mdlayher/wifi and dependencies

vendor/github.com/mdlayher/netlink/sockopt_linux.go

@@ -0,0 +1,26 @@
+// +build linux,!386
+
+package netlink
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// setsockopt provides access to the setsockopt syscall.
+func setsockopt(fd, level, name int, v unsafe.Pointer, l uint32) error {
+	_, _, errno := syscall.Syscall6(
+		syscall.SYS_SETSOCKOPT,
+		uintptr(fd),
+		uintptr(level),
+		uintptr(name),
+		uintptr(v),
+		uintptr(l),
+		0,
+	)
+	if errno != 0 {
+		return error(errno)
+	}
+
+	return nil
+}