The Linux Kernel 4.14 reached its end of life [1] after 6 years. Instead it is recommended to use at least kernel 4.19. It is also over 5 years old but still maintained by the stable kernel team. All older kernels (4.14 - v4.18) will be dropped to reduce the support overhead.
[1] https://lore.kernel.org/r/2024011046-ecology-tiptoeing-ce50@gregkh/
Signed-off-by: Sven Eckelmann sven@narfation.org --- Changes in v2: - Add EOL announcement URL to commit message - Fix conflict in README.external.rst - Link to v1: https://lore.kernel.org/r/20231104-drop-compat-4-14-v1-1-d2453b1cfd45@narfat... --- README.external.rst | 2 +- compat-include/linux/netdevice.h | 8 -------- compat-include/linux/stddef.h | 24 ------------------------ compat-include/net/cfg80211.h | 40 ---------------------------------------- compat-include/net/genetlink.h | 18 ------------------ compat.h | 7 ------- 6 files changed, 1 insertion(+), 98 deletions(-)
diff --git a/README.external.rst b/README.external.rst index 3b014af8..4e1de973 100644 --- a/README.external.rst +++ b/README.external.rst @@ -12,7 +12,7 @@ and as an external module. The external module allows to get new features without upgrading to a newer kernel version and to get batman-adv specific bug fixes for kernels that are not supported anymore. It compiles against and should work -with Linux 4.14 - 6.7. Supporting older versions is not +with Linux 4.19 - 6.7. Supporting older versions is not planned, but it's probably easy to backport it. If you work on a backport, feel free to contact us. :-)
diff --git a/compat-include/linux/netdevice.h b/compat-include/linux/netdevice.h index 3188ad3d..a489ac9b 100644 --- a/compat-include/linux/netdevice.h +++ b/compat-include/linux/netdevice.h @@ -13,14 +13,6 @@ #include <linux/version.h> #include_next <linux/netdevice.h>
-#if LINUX_VERSION_IS_LESS(4, 15, 0) - -#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info, extack) \ - netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info) - -#endif /* LINUX_VERSION_IS_LESS(4, 15, 0) */ - - #if LINUX_VERSION_IS_LESS(5, 15, 0)
static inline void batadv_dev_put(struct net_device *dev) diff --git a/compat-include/linux/stddef.h b/compat-include/linux/stddef.h deleted file mode 100644 index c4558f81..00000000 --- a/compat-include/linux/stddef.h +++ /dev/null @@ -1,24 +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_STDDEF_H_ -#define _NET_BATMAN_ADV_COMPAT_LINUX_STDDEF_H_ - -#include <linux/version.h> -#include_next <linux/stddef.h> - -#if LINUX_VERSION_IS_LESS(4, 16, 0) - -#ifndef sizeof_field -#define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER)) -#endif - -#endif /* LINUX_VERSION_IS_LESS(4, 16, 0) */ - -#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_STDDEF_H_ */ diff --git a/compat-include/net/cfg80211.h b/compat-include/net/cfg80211.h deleted file mode 100644 index 4bfcd5a3..00000000 --- a/compat-include/net/cfg80211.h +++ /dev/null @@ -1,40 +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_NET_CFG80211_H_ -#define _NET_BATMAN_ADV_COMPAT_NET_CFG80211_H_ - -#include <linux/version.h> -#include_next <net/cfg80211.h> - - -#if LINUX_VERSION_IS_LESS(4, 18, 0) && IS_ENABLED(CONFIG_CFG80211) - -/* cfg80211 fix: https://patchwork.kernel.org/patch/10449857/ */ -static inline int batadv_cfg80211_get_station(struct net_device *dev, - const u8 *mac_addr, - struct station_info *sinfo) -{ - memset(sinfo, 0, sizeof(*sinfo)); - return cfg80211_get_station(dev, mac_addr, sinfo); -} - -#define cfg80211_get_station(dev, mac_addr, sinfo) \ - batadv_cfg80211_get_station(dev, mac_addr, sinfo) - -#endif /* LINUX_VERSION_IS_LESS(4, 18, 0) && IS_ENABLED(CONFIG_CFG80211) */ - - -#if LINUX_VERSION_IS_LESS(4, 18, 0) - -#define cfg80211_sinfo_release_content(sinfo) - -#endif /* LINUX_VERSION_IS_LESS(4, 18, 0) */ - -#endif /* _NET_BATMAN_ADV_COMPAT_NET_CFG80211_H_ */ diff --git a/compat-include/net/genetlink.h b/compat-include/net/genetlink.h index 05c57ce0..85376044 100644 --- a/compat-include/net/genetlink.h +++ b/compat-include/net/genetlink.h @@ -13,24 +13,6 @@ #include <linux/version.h> #include_next <net/genetlink.h>
-#if LINUX_VERSION_IS_LESS(4, 15, 0) - -static inline -void batadv_genl_dump_check_consistent(struct netlink_callback *cb, - void *user_hdr) -{ - struct genl_family genl_family = { - .hdrsize = 0, - }; - - genl_dump_check_consistent(cb, user_hdr, &genl_family); -} - -#define genl_dump_check_consistent batadv_genl_dump_check_consistent - -#endif /* LINUX_VERSION_IS_LESS(4, 15, 0) */ - - #if LINUX_VERSION_IS_LESS(5, 10, 0)
#if LINUX_VERSION_IS_LESS(5, 2, 0) diff --git a/compat.h b/compat.h index 8e19f9bb..638bfc54 100644 --- a/compat.h +++ b/compat.h @@ -16,13 +16,6 @@ #include "compat-autoconf.h"
-#if LINUX_VERSION_IS_LESS(4, 15, 0) - -#define batadv_softif_slave_add(__dev, __slave_dev, __extack) \ - batadv_softif_slave_add(__dev, __slave_dev) - -#endif /* LINUX_VERSION_IS_LESS(4, 15, 0) */ - #endif /* __KERNEL__ */
#endif /* _NET_BATMAN_ADV_COMPAT_H_ */
--- base-commit: e6fbde1250b73c3c9f49fc5a22ad9a8b10f864d5 change-id: 20231104-drop-compat-4-14-1bba04bac963
Best regards,
b.a.t.m.a.n@lists.open-mesh.org
-
Sven Eckelmann