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From: Stephen Hemminger <stephen@networkplumber.org>
To: Akhil Goyal <gakhil@marvell.com>
Cc: <dev@dpdk.org>, <thomas@monjalon.net>,
	<david.marchand@redhat.com>, <hemant.agrawal@nxp.com>,
	<anoobj@marvell.com>, <pablo.de.lara.guarch@intel.com>,
	<fiona.trahe@intel.com>, <declan.doherty@intel.com>,
	<matan@nvidia.com>, <g.singh@nxp.com>, <roy.fan.zhang@intel.com>,
	<jianjay.zhou@huawei.com>, <asomalap@amd.com>,
	<ruifeng.wang@arm.com>
Subject: Re: [dpdk-dev] [PATCH 4/4] security: add reserved bitfields
Date: Wed, 15 Sep 2021 09:43:43 -0700	[thread overview]
Message-ID: <20210915094343.674ac28f@hermes.local> (raw)
In-Reply-To: <20210731181327.660296-5-gakhil@marvell.com>

On Sat, 31 Jul 2021 23:43:27 +0530
Akhil Goyal <gakhil@marvell.com> wrote:

> diff --git a/lib/security/rte_security.h b/lib/security/rte_security.h
> index 88d31de0a6..4606425e8d 100644
> --- a/lib/security/rte_security.h
> +++ b/lib/security/rte_security.h
> @@ -181,6 +181,12 @@ struct rte_security_ipsec_sa_options {
>  	 * * 0: Disable per session security statistics collection for this SA.
>  	 */
>  	uint32_t stats : 1;
> +
> +	/** Reserved bit fields for future extension
> +	 *
> +	 * Note: reduce number of bits in reserved_opts for every new option
> +	 */
> +	uint32_t reserved_opts : 24;
>  };
>  
>  /** IPSec security association direction */


You must add a check that these are 0 otherwise they are useless as being
reserved later. You can't assume the old application will leave these bits
as zero.

  parent reply	other threads:[~2021-09-15 16:43 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-31 18:13 [dpdk-dev] [PATCH 0/4] cryptodev and security ABI improvements Akhil Goyal
2021-07-31 18:13 ` [dpdk-dev] [PATCH 1/4] cryptodev: remove LIST_END enumerators Akhil Goyal
2021-07-31 18:13 ` [dpdk-dev] [PATCH 2/4] cryptodev: promote asym APIs to stable Akhil Goyal
2021-08-30 15:49   ` Kusztal, ArkadiuszX
2021-09-03 15:17     ` Akhil Goyal
2021-09-07 11:42       ` Kusztal, ArkadiuszX
2021-09-07 11:45         ` Akhil Goyal
2021-09-08 12:37           ` Kinsella, Ray
2023-02-02 10:49             ` [EXT] " Akhil Goyal
2023-02-02 11:02               ` Hemant Agrawal
2023-02-14 18:05               ` Kusztal, ArkadiuszX
2021-07-31 18:13 ` [dpdk-dev] [PATCH 3/4] security: hide internal API Akhil Goyal
2021-09-15 15:54   ` Ananyev, Konstantin
2021-07-31 18:13 ` [dpdk-dev] [PATCH 4/4] security: add reserved bitfields Akhil Goyal
2021-09-15 15:55   ` Ananyev, Konstantin
2021-09-15 16:43   ` Stephen Hemminger [this message]
2021-07-31 18:17 ` [dpdk-dev] [PATCH 0/4] cryptodev and security ABI improvements Akhil Goyal
2021-10-08 20:45 ` [dpdk-dev] [PATCH v2 1/3] cryptodev: remove LIST_END enumerators Akhil Goyal
2021-10-08 20:45   ` [dpdk-dev] [PATCH v2 2/3] security: hide internal API Akhil Goyal
2021-10-12  8:50     ` Kinsella, Ray
2021-10-08 20:45   ` [dpdk-dev] [PATCH v2 3/3] security: add reserved bitfields Akhil Goyal
2021-10-11  8:31     ` Thomas Monjalon
2021-10-11 16:58       ` [dpdk-dev] [EXT] " Akhil Goyal
2021-10-11 22:15         ` Stephen Hemminger
2021-10-12  8:31           ` Kinsella, Ray
2021-10-12  6:59         ` Thomas Monjalon
2021-10-12  8:53           ` Kinsella, Ray
2021-10-12  8:50     ` [dpdk-dev] " Kinsella, Ray
2021-10-11 10:46   ` [dpdk-dev] [PATCH v2 1/3] cryptodev: remove LIST_END enumerators Zhang, Roy Fan
2021-10-12  9:55   ` Kinsella, Ray
2021-10-12 10:19     ` [dpdk-dev] [EXT] " Akhil Goyal
2021-10-12 10:50       ` Anoob Joseph
2021-10-12 11:28         ` Kinsella, Ray
2021-10-12 11:34           ` Anoob Joseph
2021-10-12 11:52             ` Thomas Monjalon
2021-10-12 13:38               ` Anoob Joseph
2021-10-12 13:54                 ` Thomas Monjalon
2021-10-12 14:18                   ` Anoob Joseph
2021-10-12 14:47                     ` Kinsella, Ray
2021-10-12 15:06                       ` Thomas Monjalon
2021-10-13  5:36                         ` Anoob Joseph
2021-10-13  7:02                           ` Thomas Monjalon
2021-10-13  7:04                             ` Anoob Joseph
2021-10-13  8:39                               ` Kinsella, Ray
2021-10-18  5:22   ` [dpdk-dev] [PATCH v3 1/2] security: hide internal API Akhil Goyal
2021-10-18  5:22     ` [dpdk-dev] [PATCH v3 2/2] security: add reserved bitfields Akhil Goyal
2021-10-18 15:39       ` Akhil Goyal

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