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Message-ID: <20240130071434.GA7169@unreal>
Date: Tue, 30 Jan 2024 09:14:34 +0200
From: Leon Romanovsky <leonro@...dia.com>
To: Florian Fainelli <f.fainelli@...il.com>
CC: Naresh Kamboju <naresh.kamboju@...aro.org>, Greg Kroah-Hartman
<gregkh@...uxfoundation.org>, linux-stable <stable@...r.kernel.org>, Netdev
<netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
<lkft-triage@...ts.linaro.org>, Sasha Levin <sashal@...nel.org>, "Saeed
Mahameed" <saeedm@...dia.com>, "David S. Miller" <davem@...emloft.net>, "Dan
Carpenter" <dan.carpenter@...aro.org>, Arnd Bergmann <arnd@...db.de>
Subject: Re: stable-rc: 6.1: mlx5: params.c:994:53: error:
'MLX5_IPSEC_CAP_CRYPTO' undeclared (first use in this function)
On Mon, Jan 29, 2024 at 08:25:42PM -0800, Florian Fainelli wrote:
>
>
> On 1/29/2024 6:52 PM, Naresh Kamboju wrote:
> > On Mon, 29 Jan 2024 at 21:58, Greg Kroah-Hartman
> > <gregkh@...uxfoundation.org> wrote:
> > >
> > > On Mon, Jan 29, 2024 at 09:17:31PM +0530, Naresh Kamboju wrote:
> > > > Following build errors noticed on stable-rc linux-6.1.y for arm64.
> > > >
> > > > arm64:
> > > > --------
> > > > * build/gcc-13-lkftconfig
> > > > * build/gcc-13-lkftconfig-kunit
> > > > * build/clang-nightly-lkftconfig
> > > > * build/clang-17-lkftconfig-no-kselftest-frag
> > > > * build/gcc-13-lkftconfig-devicetree
> > > > * build/clang-lkftconfig
> > > > * build/gcc-13-lkftconfig-perf
> > > >
> > > > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> > > >
> > > > Build errors:
> > > > ------
> > > > drivers/net/ethernet/mellanox/mlx5/core/en/params.c: In function
> > > > 'mlx5e_build_sq_param':
> > > > drivers/net/ethernet/mellanox/mlx5/core/en/params.c:994:53: error:
> > > > 'MLX5_IPSEC_CAP_CRYPTO' undeclared (first use in this function)
> > > > 994 | (mlx5_ipsec_device_caps(mdev) &
> > > > MLX5_IPSEC_CAP_CRYPTO);
> > > > |
> > > > ^~~~~~~~~~~~~~~~~~~~~
> > > >
> > > > Suspecting commit:
> > > > net/mlx5e: Allow software parsing when IPsec crypto is enabled
> > > > [ Upstream commit 20f5468a7988dedd94a57ba8acd65ebda6a59723 ]
> > >
> > > Something looks very odd here, as the proper .h file is being included,
> > > AND this isn't a build failure on x86, so why is this only arm64 having
> > > problems? What's causing this not to show up?
> >
> > As per the Daniel report on stable-rc review on 6.1, these build failures also
> > reported on System/390.
>
> The build failure is legitimate here since
> drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h guards all of the
> definitions and enumerations under a CONFIG_MLX5_EN_IPSEC which is not
> enabled in the build configuration that failed.
>
> This is implicitly fixed upstream with
> 8c582ddfbb473c1d799c40b5140aed81278e2837 ("net/mlx5e: Handle hardware IPsec
> limits events") which relocates the #ifdef CONFIG_MLX5_EN_IPSEC below and
> allows the MLX5_IPSEC_CAP_CRYPTO enum value, amongst others to be visible to
> code that is not guarded with CONFIG_MLX5_EN_IPSEC. This specific commit
> does not apply cleanly to the stable-6.1 branch, so maybe the best we can
> come up with is this targeted change that does the same thing against 6.1:
Thanks for taking look into it. This fix looks as a best solution for me.
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
> b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
> index 16bcceec16c4..785f188148d8 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
> @@ -34,7 +34,6 @@
> #ifndef __MLX5E_IPSEC_H__
> #define __MLX5E_IPSEC_H__
>
> -#ifdef CONFIG_MLX5_EN_IPSEC
>
> #include <linux/mlx5/device.h>
> #include <net/xfrm.h>
> @@ -146,6 +145,7 @@ struct mlx5e_ipsec_sa_entry {
> struct mlx5e_ipsec_modify_state_work modify_work;
> };
>
> +#ifdef CONFIG_MLX5_EN_IPSEC
> int mlx5e_ipsec_init(struct mlx5e_priv *priv);
> void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv);
> void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
> --
> Florian
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