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From: Raslan Darawsheh <rasland@nvidia.com>
To: Cristian Dumitrescu <cristian.dumitrescu@intel.com>, "dev@dpdk.org"
 <dev@dpdk.org>
CC: NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
 "david.marchand@redhat.com" <david.marchand@redhat.com>
Thread-Topic: [dpdk-dev] [PATCH v6 32/42] pipeline: add SWX pipeline
 specification file
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Date: Sun, 4 Oct 2020 07:48:51 +0000
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References: <20200923180645.55852-2-cristian.dumitrescu@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v6 32/42] pipeline: add SWX
	pipeline	specification file
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Sender: "dev" <dev-bounces@dpdk.org>

Hi,

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Cristian Dumitrescu
> Sent: Wednesday, September 30, 2020 9:34 AM
> To: dev@dpdk.org
> Cc: NBU-Contact-Thomas Monjalon <thomas@monjalon.net>;
> david.marchand@redhat.com
> Subject: [dpdk-dev] [PATCH v6 32/42] pipeline: add SWX pipeline
> specification file
>=20
> Add support for building the SWX pipeline based on specification file
> with syntax aligned to the P4 language. The specification file may be
> generated by the P4C compiler in the future.
>=20
> Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
> ---
>  lib/librte_pipeline/meson.build              |    1 +
>  lib/librte_pipeline/rte_pipeline_version.map |    1 +
>  lib/librte_pipeline/rte_swx_pipeline.h       |   26 +
>  lib/librte_pipeline/rte_swx_pipeline_spec.c  | 1439 ++++++++++++++++++
>  4 files changed, 1467 insertions(+)
>  create mode 100644 lib/librte_pipeline/rte_swx_pipeline_spec.c
>=20
> diff --git a/lib/librte_pipeline/meson.build b/lib/librte_pipeline/meson.=
build
> index be1d9c3a4..65c1a8d6a 100644
> --- a/lib/librte_pipeline/meson.build
> +++ b/lib/librte_pipeline/meson.build

Seems like this patch introduced a new failure in compilation as following:

./../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:216:15: error: i=
mplicit declaration of function 'reallocarray'; did you mean 'realloc'? [-W=
error=3Dimplicit-function-declaration]
  new_fields =3D reallocarray(s->fields,
               ^~~~~~~~~~~~
               realloc
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:216:15: error: =
nested extern declaration of 'reallocarray' [-Werror=3Dnested-externs]
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:216:13: error: =
assignment makes pointer from integer without a cast [-Werror=3Dint-convers=
ion]
  new_fields =3D reallocarray(s->fields,
             ^
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c: In function 'a=
ction_block_parse':
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:455:19: error: =
assignment makes pointer from integer without a cast [-Werror=3Dint-convers=
ion]
  new_instructions =3D reallocarray(s->instructions,
                   ^
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c: In function 't=
able_key_block_parse':
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:623:13: error: =
assignment makes pointer from integer without a cast [-Werror=3Dint-convers=
ion]
  new_fields =3D reallocarray(s->params.fields,
             ^
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c: In function 't=
able_actions_block_parse':
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:703:19: error: =
assignment makes pointer from integer without a cast [-Werror=3Dint-convers=
ion]
  new_action_names =3D reallocarray(s->params.action_names,
                   ^
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c: In function 'a=
pply_block_parse':
../../root/dpdk/lib/librte_pipeline/rte_swx_pipeline_spec.c:1022:19: error:=
 assignment makes pointer from integer without a cast [-Werror=3Dint-conver=
sion]
  new_instructions =3D reallocarray(s->instructions,
                   ^
cc1: all warnings being treated as errors
[502/2328] Compiling C object lib/librte_vhost.a.p/librte_vhost_vhost_crypt=
o.c.o
ninja: build stopped: subcommand failed.

This is reproducible in the following environment:
        ARCH: aarch64
        CC: gcc
        OS: Fedora 32 (Container Image)
        Kernel: 4.4.0-104-generic
        GCC(aarch64): aarch64-linux-gnu-gcc (Linaro GCC 7.1-2017.08) 7.1.1 =
20170707

Can you kindly help with providing a fix for it ?

Kindest regards
Raslan Darawsheh