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package/wpa_supplicant: macsec offload needs headers >= v5.7

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Hardware offload in Linux macsec driver is enabled in compile time if
libnl version is >= v3.6. However this is not enough for successful
build since enum 'macsec_offload' has been added to Linux headers only
since Linux >= v5.7.

Add upstream commit that extends compile time condition for the
enablement of the macsec hardware offload adding Linux headers version
check.

Fixes:
- http://autobuild.buildroot.net/results/b59d5bc5bd17683a3a1e3577c40c802e81911f84/

Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Sergey Matyukevich
2024-09-02 21:00:20 +03:00
committed by Thomas Petazzoni
parent 09324c843b
commit c6a47974b0
1 changed files with 53 additions and 0 deletions
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53
package/wpa_supplicant/0002-macsec_linux-Hardware-offload-requires-Linux-headers.patch Normal file
View File

@@ -0,0 +1,53 @@
From 809d9d8172db8e2a08ff639875f838b5b86d2641 Mon Sep 17 00:00:00 2001
From: Sergey Matyukevich <geomatsi@gmail.com>
Date: Thu, 22 Aug 2024 00:03:41 +0300
Subject: [PATCH] macsec_linux: Hardware offload requires Linux headers >= v5.7
Hardware offload in Linux macsec driver is enabled in compile time if
libnl version is >= v3.6. This is not sufficient for successful build
since enum 'macsec_offload' has been added to Linux header if_link.h
in kernels v5.6 and v5.7, see commits:
- https://github.com/torvalds/linux/commit/21114b7feec29e4425a3ac48a037569c016a46c8
- https://github.com/torvalds/linux/commit/76564261a7db80c5f5c624e0122a28787f266bdf
New libnl with older Linux headers is a valid combination. This is how
hostapd build failure has been detected by Buildroot autobuilder, see:
- http://autobuild.buildroot.net/results/b59d5bc5bd17683a3a1e3577c40c802e81911f84/
Extend compile time condition for the enablement of the macsec hardware
offload adding Linux headers version check.
Fixes: 40c139664439 ("macsec_linux: Add support for MACsec hardware offload")
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Upstream: https://w1.fi/cgit/hostap/commit/?id=809d9d8172db8e2a08ff639875f838b5b86d2641
---
src/drivers/driver_macsec_linux.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/drivers/driver_macsec_linux.c b/src/drivers/driver_macsec_linux.c
index c86715498..fad47a292 100644
--- a/src/drivers/driver_macsec_linux.c
+++ b/src/drivers/driver_macsec_linux.c
@@ -19,6 +19,7 @@
#include <netlink/route/link.h>
#include <netlink/route/link/macsec.h>
#include <linux/if_macsec.h>
+#include <linux/version.h>
#include <inttypes.h>
#include "utils/common.h"
@@ -32,7 +33,8 @@
#define UNUSED_SCI 0xffffffffffffffff
-#if LIBNL_VER_NUM >= LIBNL_VER(3, 6)
+#if (LIBNL_VER_NUM >= LIBNL_VER(3, 6) && \
+ LINUX_VERSION_CODE >= KERNEL_VERSION(5, 7, 0))
#define LIBNL_HAS_OFFLOAD
#endif
--
2.46.0