From 6a7a1a5dab533e1b3a3616275e22a3e3ee15ed54 Mon Sep 17 00:00:00 2001
From: Sven Eckelmann <sven@narfation.org>
Date: Fri, 2 Feb 2024 22:46:09 +0100
Subject: [PATCH] batman-adv: update to version 2024.0

* support latest kernels (4.19 - 6.8)
* coding style cleanups and refactoring
* add stateless multicast packet format support

Signed-off-by: Sven Eckelmann <sven@narfation.org>
---
 batman-adv/Makefile                           |  6 +-
 ...-adv-Migrate-to-linux-container_of.h.patch |  6 +-
 ...batman-adv-Switch-to-linux-sprintf.h.patch | 97 +++++++++++++++++++
 ...man-adv-Switch-to-linux-array_size.h.patch | 69 +++++++++++++
 4 files changed, 174 insertions(+), 4 deletions(-)
 create mode 100644 batman-adv/patches/0003-Revert-batman-adv-Switch-to-linux-sprintf.h.patch
 create mode 100644 batman-adv/patches/0004-Revert-batman-adv-Switch-to-linux-array_size.h.patch

diff --git a/batman-adv/Makefile b/batman-adv/Makefile
index 71e98e2..cbcf316 100644
--- a/batman-adv/Makefile
+++ b/batman-adv/Makefile
@@ -3,12 +3,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=batman-adv
-PKG_VERSION:=2023.3
-PKG_RELEASE:=3
+PKG_VERSION:=2024.0
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://downloads.open-mesh.org/batman/releases/batman-adv-$(PKG_VERSION)
-PKG_HASH:=f7c6c53e59343c162642cb9b44f1016765d4bf513e039002be612b7a6c1ea36c
+PKG_HASH:=61110697b5799f646a2a82a4dcf97faed4bb12a7cc43bf4683d2c4de4f6b40e7
 PKG_EXTMOD_SUBDIRS:=net/batman-adv
 
 PKG_MAINTAINER:=Simon Wunderlich <sw@simonwunderlich.de>
diff --git a/batman-adv/patches/0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch b/batman-adv/patches/0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch
index 466ce1a..30d30d0 100644
--- a/batman-adv/patches/0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch
+++ b/batman-adv/patches/0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch
@@ -2,6 +2,10 @@ From: Sven Eckelmann <sven@narfation.org>
 Date: Fri, 6 May 2022 22:03:29 +0200
 Subject: Revert "batman-adv: Migrate to linux/container_of.h"
 
+The original patch requires Linux 5.16.0 or a mac80211 compat header with this
+name. But the mac80211 package is currently not providing this header and
+OpenWrt main is still using older Linux kernel versions for some targets.
+
 This reverts commit 043ae5634bdfd4c4dd8b95a22890752495080bb5.
 
 --- a/compat-include/linux/container_of.h
@@ -133,7 +137,7 @@ This reverts commit 043ae5634bdfd4c4dd8b95a22890752495080bb5.
  #include <linux/list.h>
 --- a/net/batman-adv/main.c
 +++ b/net/batman-adv/main.c
-@@ -9,7 +9,6 @@
+@@ -10,7 +10,6 @@
  #include <linux/atomic.h>
  #include <linux/build_bug.h>
  #include <linux/byteorder/generic.h>
diff --git a/batman-adv/patches/0003-Revert-batman-adv-Switch-to-linux-sprintf.h.patch b/batman-adv/patches/0003-Revert-batman-adv-Switch-to-linux-sprintf.h.patch
new file mode 100644
index 0000000..3692433
--- /dev/null
+++ b/batman-adv/patches/0003-Revert-batman-adv-Switch-to-linux-sprintf.h.patch
@@ -0,0 +1,97 @@
+From: Sven Eckelmann <sven@narfation.org>
+Date: Fri, 2 Feb 2024 22:49:00 +0100
+Subject: Revert "batman-adv: Switch to linux/sprintf.h"
+
+The original patch requires Linux 6.6.0 or a mac80211 compat header with this
+name. But the mac80211 package is currently not providing this header and
+OpenWrt main is still using older Linux kernel versions for some targets.
+
+This reverts commit f0fb49c5ab70dfa064f0aa8d1c5d84f65e8cbc86.
+
+--- a/compat-include/linux/sprintf.h
++++ /dev/null
+@@ -1,20 +0,0 @@
+-/* SPDX-License-Identifier: GPL-2.0 */
+-/* Copyright (C) B.A.T.M.A.N. contributors:
+- *
+- * Marek Lindner, Simon Wunderlich
+- *
+- * This file contains macros for maintaining compatibility with older versions
+- * of the Linux kernel.
+- */
+-
+-#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_SPRINTF_H_
+-#define _NET_BATMAN_ADV_COMPAT_LINUX_SPRINTF_H_
+-
+-#include <linux/version.h>
+-#if LINUX_VERSION_IS_GEQ(6, 6, 0)
+-#include_next <linux/sprintf.h>
+-#else
+-#include <linux/kernel.h>
+-#endif
+-
+-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_SPRINTF_H_ */
+--- a/net/batman-adv/bridge_loop_avoidance.c
++++ b/net/batman-adv/bridge_loop_avoidance.c
+@@ -19,6 +19,7 @@
+ #include <linux/if_vlan.h>
+ #include <linux/jhash.h>
+ #include <linux/jiffies.h>
++#include <linux/kernel.h>
+ #include <linux/kref.h>
+ #include <linux/list.h>
+ #include <linux/lockdep.h>
+@@ -29,7 +30,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/slab.h>
+ #include <linux/spinlock.h>
+-#include <linux/sprintf.h>
+ #include <linux/stddef.h>
+ #include <linux/string.h>
+ #include <linux/workqueue.h>
+--- a/net/batman-adv/gateway_client.c
++++ b/net/batman-adv/gateway_client.c
+@@ -17,6 +17,7 @@
+ #include <linux/in.h>
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
++#include <linux/kernel.h>
+ #include <linux/kref.h>
+ #include <linux/list.h>
+ #include <linux/lockdep.h>
+@@ -27,7 +28,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/slab.h>
+ #include <linux/spinlock.h>
+-#include <linux/sprintf.h>
+ #include <linux/stddef.h>
+ #include <linux/udp.h>
+ #include <net/sock.h>
+--- a/net/batman-adv/main.c
++++ b/net/batman-adv/main.c
+@@ -32,7 +32,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/slab.h>
+ #include <linux/spinlock.h>
+-#include <linux/sprintf.h>
+ #include <linux/stddef.h>
+ #include <linux/string.h>
+ #include <linux/workqueue.h>
+--- a/net/batman-adv/multicast.c
++++ b/net/batman-adv/multicast.c
+@@ -24,6 +24,7 @@
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
+ #include <linux/jiffies.h>
++#include <linux/kernel.h>
+ #include <linux/list.h>
+ #include <linux/lockdep.h>
+ #include <linux/netdevice.h>
+@@ -34,7 +35,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/slab.h>
+ #include <linux/spinlock.h>
+-#include <linux/sprintf.h>
+ #include <linux/stddef.h>
+ #include <linux/string.h>
+ #include <linux/types.h>
diff --git a/batman-adv/patches/0004-Revert-batman-adv-Switch-to-linux-array_size.h.patch b/batman-adv/patches/0004-Revert-batman-adv-Switch-to-linux-array_size.h.patch
new file mode 100644
index 0000000..53c9d70
--- /dev/null
+++ b/batman-adv/patches/0004-Revert-batman-adv-Switch-to-linux-array_size.h.patch
@@ -0,0 +1,69 @@
+From: Sven Eckelmann <sven@narfation.org>
+Date: Fri, 2 Feb 2024 22:49:48 +0100
+Subject: Revert "batman-adv: Switch to linux/array_size.h"
+
+The original patch requires Linux 6.7.0 or a mac80211 compat header with this
+name. But the mac80211 package is currently not providing this header and
+OpenWrt main is still using older Linux kernel versions for some targets.
+
+This reverts commit f33d7f724675544a36b24c77f8d4b95d41252ae2.
+
+--- a/compat-include/linux/array_size.h
++++ /dev/null
+@@ -1,20 +0,0 @@
+-/* SPDX-License-Identifier: GPL-2.0 */
+-/* Copyright (C) B.A.T.M.A.N. contributors:
+- *
+- * Marek Lindner, Simon Wunderlich
+- *
+- * This file contains macros for maintaining compatibility with older versions
+- * of the Linux kernel.
+- */
+-
+-#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_
+-#define _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_
+-
+-#include <linux/version.h>
+-#if LINUX_VERSION_IS_GEQ(6, 7, 0)
+-#include_next <linux/array_size.h>
+-#else
+-#include <linux/kernel.h>
+-#endif
+-
+-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_ARRAY_SIZE_H_ */
+--- a/net/batman-adv/main.c
++++ b/net/batman-adv/main.c
+@@ -6,7 +6,6 @@
+ 
+ #include "main.h"
+ 
+-#include <linux/array_size.h>
+ #include <linux/atomic.h>
+ #include <linux/build_bug.h>
+ #include <linux/byteorder/generic.h>
+@@ -20,6 +19,7 @@
+ #include <linux/init.h>
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
++#include <linux/kernel.h>
+ #include <linux/kobject.h>
+ #include <linux/kref.h>
+ #include <linux/list.h>
+--- a/net/batman-adv/netlink.c
++++ b/net/batman-adv/netlink.c
+@@ -7,7 +7,6 @@
+ #include "netlink.h"
+ #include "main.h"
+ 
+-#include <linux/array_size.h>
+ #include <linux/atomic.h>
+ #include <linux/bitops.h>
+ #include <linux/bug.h>
+@@ -21,6 +20,7 @@
+ #include <linux/if_ether.h>
+ #include <linux/if_vlan.h>
+ #include <linux/init.h>
++#include <linux/kernel.h>
+ #include <linux/limits.h>
+ #include <linux/list.h>
+ #include <linux/minmax.h>
-- 
2.30.2