batman-adv: update to version 2023.3

* support latest kernels (4.14 - 6.7)
* coding style cleanups and refactoring
* only warn about too small MTU when soft interfaces wasn't already reduced
* bugs squashed:
  - Hold rtnl lock during MTU update via netlink

Signed-off-by: Sven Eckelmann <[email protected]>

batman-adv/Makefile

@@ -3,12 +3,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=batman-adv
-PKG_VERSION:=2023.2
+PKG_VERSION:=2023.3
 PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://downloads.open-mesh.org/batman/releases/batman-adv-$(PKG_VERSION)
-PKG_HASH:=3907dcd57e2c5bfd9d40713960b9402bf1da4f80c59b5ff037789fbbbbd8fa25
+PKG_HASH:=f7c6c53e59343c162642cb9b44f1016765d4bf513e039002be612b7a6c1ea36c
 PKG_EXTMOD_SUBDIRS:=net/batman-adv
 
 PKG_MAINTAINER:=Simon Wunderlich <[email protected]>

batman-adv/patches/0001-Revert-batman-adv-Migrate-to-linux-container_of.h.patch

@@ -117,10 +117,10 @@ This reverts commit 043ae5634bdfd4c4dd8b95a22890752495080bb5.
  #include <linux/gfp.h>
 --- a/net/batman-adv/hard-interface.c
 +++ b/net/batman-adv/hard-interface.c
-@@ -9,12 +9,12 @@
-
+@@ -10,12 +10,12 @@
  #include <linux/atomic.h>
  #include <linux/byteorder/generic.h>
+ #include <linux/compiler.h>
 -#include <linux/container_of.h>
  #include <linux/errno.h>
  #include <linux/gfp.h>

batman-adv/patches/0002-fix-batadv_is_cfg80211_netdev.patch

@@ -7,7 +7,7 @@ macro to use when building under backports.
 
 --- a/net/batman-adv/hard-interface.c
 +++ b/net/batman-adv/hard-interface.c
-@@ -307,8 +307,7 @@ static bool batadv_is_cfg80211_netdev(st
+@@ -308,8 +308,7 @@ static bool batadv_is_cfg80211_netdev(st
  {
  	if (!net_device)
  		return false;