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