1 files changed, 62 insertions, 0 deletions
diff --git a/net/netmon/zsyscall_windows.go b/net/netmon/zsyscall_windows.go
new file mode 100644
index 000000000..68d3230a9
--- /dev/null
+++ b/net/netmon/zsyscall_windows.go
@@ -0,0 +1,62 @@
+// Code generated by 'go generate'; DO NOT EDIT.
+
+package netmon
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+	"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
+
+	procGetIfEntry2   = modiphlpapi.NewProc("GetIfEntry2")
+	procGetIfEntry2Ex = modiphlpapi.NewProc("GetIfEntry2Ex")
+)
+
+func getIfEntry2(row *winipcfg.MibIfRow2) (ret error) {
+	r0, _, _ := syscall.Syscall(procGetIfEntry2.Addr(), 1, uintptr(unsafe.Pointer(row)), 0, 0)
+	if r0 != 0 {
+		ret = syscall.Errno(r0)
+	}
+	return
+}
+
+func getIfEntry2Ex(level _MIB_IF_ENTRY_LEVEL, row *winipcfg.MibIfRow2) (ret error) {
+	r0, _, _ := syscall.Syscall(procGetIfEntry2Ex.Addr(), 2, uintptr(level), uintptr(unsafe.Pointer(row)), 0)
+	if r0 != 0 {
+		ret = syscall.Errno(r0)
+	}
+	return
+}