From 0293703b0ad8c5db21b6ee27bfb7addec1877064 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan-Luis=20de=20Sousa-Valadas=20Casta=C3=B1o?=
 <jvaladas@mirantis.com>
Date: Tue, 12 Aug 2025 11:06:45 +0000
Subject: [PATCH] unix: add IFAL_* consts and ifaddrlblmsg on linux

Implments consts and structs related to ifaddrlabel

Change-Id: I6dd78e74a8e32a26286b95b0a7a20343cb16a446
GitHub-Last-Rev: 11be45c36dcbd7aa31009dfaf966eaebcbf9bbb0
GitHub-Pull-Request: golang/sys#252
Reviewed-on: https://go-review.googlesource.com/c/sys/+/683775
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Florian Lehner <lehner.florian86@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
---
 unix/linux/types.go  |  6 ++++++
 unix/ztypes_linux.go | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/unix/linux/types.go b/unix/linux/types.go
index 8dec5a30..2ac19032 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -121,6 +121,7 @@ struct termios2 {
 #include <linux/hidraw.h>
 #include <linux/icmp.h>
 #include <linux/icmpv6.h>
+#include <linux/if_addrlabel.h>
 #include <linux/if_alg.h>
 #include <linux/if_bridge.h>
 #include <linux/if_packet.h>
@@ -878,6 +879,8 @@ const (
 	IFA_FLAGS          = C.IFA_FLAGS
 	IFA_RT_PRIORITY    = C.IFA_RT_PRIORITY
 	IFA_TARGET_NETNSID = C.IFA_TARGET_NETNSID
+	IFAL_LABEL         = C.IFAL_LABEL
+	IFAL_ADDRESS       = C.IFAL_ADDRESS
 	RT_SCOPE_UNIVERSE  = C.RT_SCOPE_UNIVERSE
 	RT_SCOPE_SITE      = C.RT_SCOPE_SITE
 	RT_SCOPE_LINK      = C.RT_SCOPE_LINK
@@ -935,6 +938,7 @@ const (
 	SizeofRtAttr       = C.sizeof_struct_rtattr
 	SizeofIfInfomsg    = C.sizeof_struct_ifinfomsg
 	SizeofIfAddrmsg    = C.sizeof_struct_ifaddrmsg
+	SizeofIfAddrlblmsg = C.sizeof_struct_ifaddrlblmsg
 	SizeofIfaCacheinfo = C.sizeof_struct_ifa_cacheinfo
 	SizeofRtMsg        = C.sizeof_struct_rtmsg
 	SizeofRtNexthop    = C.sizeof_struct_rtnexthop
@@ -956,6 +960,8 @@ type IfInfomsg C.struct_ifinfomsg
 
 type IfAddrmsg C.struct_ifaddrmsg
 
+type IfAddrlblmsg C.struct_ifaddrlblmsg
+
 type IfaCacheinfo C.struct_ifa_cacheinfo
 
 type RtMsg C.struct_rtmsg
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 0c66bf0d..944e75a1 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -632,6 +632,8 @@ const (
 	IFA_FLAGS          = 0x8
 	IFA_RT_PRIORITY    = 0x9
 	IFA_TARGET_NETNSID = 0xa
+	IFAL_LABEL         = 0x2
+	IFAL_ADDRESS       = 0x1
 	RT_SCOPE_UNIVERSE  = 0x0
 	RT_SCOPE_SITE      = 0xc8
 	RT_SCOPE_LINK      = 0xfd
@@ -689,6 +691,7 @@ const (
 	SizeofRtAttr       = 0x4
 	SizeofIfInfomsg    = 0x10
 	SizeofIfAddrmsg    = 0x8
+	SizeofIfAddrlblmsg = 0xc
 	SizeofIfaCacheinfo = 0x10
 	SizeofRtMsg        = 0xc
 	SizeofRtNexthop    = 0x8
@@ -740,6 +743,15 @@ type IfAddrmsg struct {
 	Index     uint32
 }
 
+type IfAddrlblmsg struct {
+	Family    uint8
+	_         uint8
+	Prefixlen uint8
+	Flags     uint8
+	Index     uint32
+	Seq       uint32
+}
+
 type IfaCacheinfo struct {
 	Prefered uint32
 	Valid    uint32