From c175b6ba6781614eadf22a0727389d97e25f72ee Mon Sep 17 00:00:00 2001
From: database64128 <free122448@hotmail.com>
Date: Mon, 17 Mar 2025 08:42:26 +0000
Subject: [PATCH] windows: add cmsghdr and pktinfo structures

- CMSGHDR from ws2def.h, corresponds to Cmsghdr in unix
- IN_PKTINFO from ws2ipdef.h, corresponds to InetPktinfo in unix
- IN6_PKTINFO from ws2ipdef.h, corresponds to Inet6Pktinfo in unix

Change-Id: I74f6812588859c3a6080e6675df28998fc435965
GitHub-Last-Rev: 7377c793c687a74012e0ff3ce458eb2d8717ea72
GitHub-Pull-Request: golang/sys#246
Reviewed-on: https://go-review.googlesource.com/c/sys/+/658175
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
---
 windows/types_windows.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/windows/types_windows.go b/windows/types_windows.go
index fac0309d..ad67df2f 100644
--- a/windows/types_windows.go
+++ b/windows/types_windows.go
@@ -1157,6 +1157,22 @@ type WSAMsg struct {
 	Flags       uint32
 }
 
+type WSACMSGHDR struct {
+	Len   uintptr
+	Level int32
+	Type  int32
+}
+
+type IN_PKTINFO struct {
+	Addr    [4]byte
+	Ifindex uint32
+}
+
+type IN6_PKTINFO struct {
+	Addr    [16]byte
+	Ifindex uint32
+}
+
 // Flags for WSASocket
 const (
 	WSA_FLAG_OVERLAPPED             = 0x01