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From: "Iremonger, Bernard" <bernard.iremonger@intel.com>
To: "Yigit, Ferruh" <ferruh.yigit@intel.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Doherty, Declan" <declan.doherty@intel.com>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Byrne, Stephen1" <stephen1.byrne@intel.com>,
	"Zhang, Helin" <helin.zhang@intel.com>,
	Ori Kam <orika@mellanox.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	"Kinsella, Ray" <ray.kinsella@intel.com>,
	David Marchand <dmarchan@redhat.com>,
	Luca Boccassi <bluca@debian.org>,
	Jerin Jacob <jerin.jacob@caviumnetworks.com>,
	"Olivier MATZ" <olivier.matz@6wind.com>
Subject: Re: [dpdk-dev] [PATCH v5 12/14] librte_ethdev: add ESP and AH flow types to RSS
Date: Wed, 15 Jan 2020 14:11:02 +0000
Message-ID: <DM6PR11MB39149AB58EAF096128645C4CEF370@DM6PR11MB3914.namprd11.prod.outlook.com> (raw)
In-Reply-To: <de350322-b5c1-ab4b-3016-ef8ddfeff633@intel.com>

Hi Ferruh,

<snip>

> Subject: Re: [dpdk-dev] [PATCH v5 12/14] librte_ethdev: add ESP and AH
> flow types to RSS
> 
> On 1/15/2020 10:55 AM, Andrew Rybchenko wrote:
> > On 1/15/20 1:44 PM, Ferruh Yigit wrote:
> >> On 1/15/2020 9:13 AM, Andrew Rybchenko wrote:
> >>> On 1/14/20 9:45 PM, Ferruh Yigit wrote:
> >>>> On 1/14/2020 1:55 PM, Bernard Iremonger wrote:
> >>>>> Add macros for the following protocols in the DDP esp-ah profile:
> >>>>> ESP
> >>>>> AH
> >>>>>
> >>>>> Add the following RSS macro for IPsec:
> >>>>> ETH_RSS_IPSEC
> >>>>>
> >>>>> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> >>>> +Ori and other ethdev maintainers.
> >>>>
> >>>> Ori, can you please check this patch?
> >>>>
> >>>>> ---
> >>>>>  lib/librte_ethdev/rte_ethdev.h | 14 +++++++++++++-
> >>>>>  1 file changed, 13 insertions(+), 1 deletion(-)
> >>>>>
> >>>>> diff --git a/lib/librte_ethdev/rte_ethdev.h
> >>>>> b/lib/librte_ethdev/rte_ethdev.h index 18a9def..208ec90 100644
> >>>>> --- a/lib/librte_ethdev/rte_ethdev.h
> >>>>> +++ b/lib/librte_ethdev/rte_ethdev.h
> >>>>> @@ -484,7 +484,9 @@ struct rte_eth_rss_conf {
> >>>>>  #define RTE_ETH_FLOW_NVGRE              21 /**< NVGRE protocol
> based flow */
> >>>>>  #define RTE_ETH_FLOW_VXLAN_GPE          22 /**< VXLAN-GPE
> protocol based flow */
> >>>>>  #define RTE_ETH_FLOW_GTPU               23 /**< GTPU protocol based
> flow */
> >>>>> -#define RTE_ETH_FLOW_MAX                24
> >>>>> +#define RTE_ETH_FLOW_AH                 24 /**< AH protocol based flow
> */
> >>>>> +#define RTE_ETH_FLOW_ESP                25 /**< ESP protocol based
> flow */
> >>>>> +#define RTE_ETH_FLOW_MAX                26
> >>> Isn't changing RTE_ETH_FLOW_MAX value breaking ABI?
> >>> Is v20.11 target release of the patch?
> >> I can't see how this can cause an ABI break, unless the
> >> 'RTE_ETH_FLOW_MAX' value used as size of an array in the middle of a
> struct.
> >> There is 'struct rte_eth_fdir_flex_conf' but the array is at the end
> >> there, so it should be OK, unless that struct is not in the middle of another
> struct.
> >
> > rte_eth_fdir_flex_conf -> rte_fdir_conf -> rte_eth_conf (in the
> > middle)
> 
> Yes, this looks like an ABI break and this is very annoying not able to even add
> a new RTE_FLOW type.
> 
> We need to find a proper way to handle this, at first glance I can see stop
> using _MAX macros for the array size can work and perhaps we can use
> another big enough hardcoded value for all similar array size. Any other
> option?
> 
> But we can do this on 20.11, we need a solution until that time.

This patch is required to handle RSS for the esp-ah.pkg DDP profile, it does not affect the i40e FD and testpmd changes in this patch set.
The esp-ah.pkg DDP profile is not released yet.

Given that the merge deadline is today, I propose to drop this patch from the v6 patch set.

> 
> >
> >> And there are values calculated from 'RTE_ETH_FLOW_MAX', like
> >> 'RTE_FLOW_MASK_ARRAY_SIZE', same concern applies there, it very hard
> to follow.
> >>
> >> Bernard,
> >>
> >> Can you please run the ABI version script to be sure this is not breaking
> the ABI?
> >>
> >>
> >>>>>
> >>>>>  /*
> >>>>>   * Below macros are defined for RSS offload types, they can be
> >>>>> used to @@ -511,6 +513,12 @@ struct rte_eth_rss_conf {
> >>>>>  #define ETH_RSS_GENEVE             (1ULL << 20)
> >>>>>  #define ETH_RSS_NVGRE              (1ULL << 21)
> >>>>>  #define ETH_RSS_GTPU               (1ULL << 23)
> >>>>> +#define ETH_RSS_AH                 (1ULL << 24)
> >>>>> +#define ETH_RSS_ESP                (1ULL << 25)
> >>>>> +
> >>>>> +
> >>>>> +
> >>>>> +
> >>>>>
> >>>>>  /*
> >>>>>   * We use the following macros to combine with above ETH_RSS_*
> >>>>> for @@ -571,6 +579,10 @@ rte_eth_rss_hf_refine(uint64_t rss_hf)
> >>>>>  	ETH_RSS_NONFRAG_IPV4_SCTP | \
> >>>>>  	ETH_RSS_NONFRAG_IPV6_SCTP)
> >>>>>
> >>>>> +#define ETH_RSS_IPSEC ( \
> >>>>> +	ETH_RSS_AH | \
> >>>>> +	ETH_RSS_ESP)
> >>>>> +
> >>>>>  #define ETH_RSS_TUNNEL ( \
> >>>>>  	ETH_RSS_VXLAN  | \
> >>>>>  	ETH_RSS_GENEVE | \
> >>>>>
> >
Regards,

Bernard.

  reply index

Thread overview: 134+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 12:57 [dpdk-dev] [PATCH 0/9] net/i40e: ESP support Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 1/9] app/testpmd: parse flow command line for ESP Bernard Iremonger
2019-12-10 21:12   ` Ori Kam
2019-12-11  9:24     ` Iremonger, Bernard
2019-12-10 12:57 ` [dpdk-dev] [PATCH 2/9] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 3/9] net/i40e: improve RSS debug Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 4/9] net/i40e: handle ESP tunnel Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 5/9] net/i40e: process ESP flows Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 6/9] net/i40e: display Flow Director packet Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 7/9] librte_ethdev: add ESP and AH flow types to RSS Bernard Iremonger
2019-12-10 18:27   ` Stephen Hemminger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 8/9] doc: release note for ESP Bernard Iremonger
2019-12-10 12:57 ` [dpdk-dev] [PATCH 9/9] doc: update i40e user guide Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 00/10] net/i40e: ESP support Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 0/9] " Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 00/14] " Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 " Bernard Iremonger
2020-01-15  1:47         ` Zhang, Qi Z
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 01/14] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-14 19:03         ` Ferruh Yigit
2020-01-15  9:08           ` Iremonger, Bernard
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 00/13] net/i40e: ESP support Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 00/10] " Bernard Iremonger
2020-01-16 17:42             ` Ferruh Yigit
2020-01-21 16:10               ` Iremonger, Bernard
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 01/10] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 02/10] app/testpmd: improve debug Bernard Iremonger
2020-01-16 13:46             ` Ananyev, Konstantin
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 03/10] net/i40e: improve RSS debug Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 04/10] net/i40e: handle ESP tunnel Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 05/10] net/i40e: support ipsec-ah profile Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 06/10] net/i40e: support ESP in customized code Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 07/10] net/i40e: support ESP flows Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 08/10] net/i40e: support ESP in Flow Director Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 09/10] config: add debug to I40E " Bernard Iremonger
2020-01-16 12:44           ` [dpdk-dev] [PATCH v7 10/10] net/i40e: display Flow Director packet Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 01/13] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 02/13] app/testpmd: improve debug Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 03/13] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2020-01-15 16:28           ` Ferruh Yigit
2020-01-15 16:52             ` Iremonger, Bernard
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 04/13] net/i40e: improve RSS debug Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 05/13] net/i40e: handle ESP tunnel Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 06/13] net/i40e: support ipsec-ah profile Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 07/13] net/i40e: support ESP in customized code Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 08/13] net/i40e: support ESP flows Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 09/13] net/i40e: support ESP in Flow Director Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 10/13] config: add debug to I40E " Bernard Iremonger
2020-01-15 16:17           ` Ferruh Yigit
2020-01-15 17:26             ` Iremonger, Bernard
2020-01-16 15:38               ` Ferruh Yigit
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 11/13] net/i40e: display Flow Director packet Bernard Iremonger
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 12/13] doc: release note for ESP Bernard Iremonger
2020-01-15 16:20           ` Ferruh Yigit
2020-01-15 16:58             ` Iremonger, Bernard
2020-01-15 15:53         ` [dpdk-dev] [PATCH v6 13/13] doc: update i40e user guide Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 02/14] app/testpmd: improve debug Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 03/14] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 04/14] net/i40e: improve RSS debug Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 05/14] net/i40e: handle ESP tunnel Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 06/14] net/i40e: support ipsec-ah profile Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 07/14] net/i40e: support ESP in customised code Bernard Iremonger
2020-01-15  1:24         ` Zhang, Qi Z
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 08/14] net/i40e: support ESP flows Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 09/14] net/i40e: support ESP in Flow Director Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 10/14] config: add debug to I40E " Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 11/14] net/i40e: display Flow Director packet Bernard Iremonger
2020-01-14 18:52         ` Ferruh Yigit
2020-01-15  9:18           ` Iremonger, Bernard
2020-01-15 10:58             ` Ferruh Yigit
2020-01-15 15:08               ` Iremonger, Bernard
2020-01-15  0:20         ` Zhang, Qi Z
2020-01-15  1:32           ` Zhang, Qi Z
2020-01-15  9:25           ` Iremonger, Bernard
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 12/14] librte_ethdev: add ESP and AH flow types to RSS Bernard Iremonger
2020-01-14 18:45         ` Ferruh Yigit
2020-01-15  9:13           ` Andrew Rybchenko
2020-01-15 10:44             ` Ferruh Yigit
2020-01-15 10:55               ` Andrew Rybchenko
2020-01-15 12:28                 ` Ferruh Yigit
2020-01-15 14:11                   ` Iremonger, Bernard [this message]
2020-01-15 14:36                     ` Ferruh Yigit
2020-01-15  0:13         ` Zhang, Qi Z
2020-01-15  9:41           ` Iremonger, Bernard
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 13/14] doc: release note for ESP Bernard Iremonger
2020-01-14 13:55       ` [dpdk-dev] [PATCH v5 14/14] doc: update i40e user guide Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 01/14] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 02/14] app/testpmd: improve debug Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 03/14] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 04/14] net/i40e: improve RSS debug Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 05/14] net/i40e: handle ESP tunnel Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 06/14] net/i40e: support ipsec-ah profile Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 07/14] net/i40e: support ESP in customised code Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 08/14] net/i40e: support ESP flows Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 09/14] net/i40e: support ESP in Flow Director Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 10/14] config: add debug to I40E " Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 11/14] net/i40e: display Flow Director packet Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 12/14] librte_ethdev: add ESP and AH flow types to RSS Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 13/14] doc: release note for ESP Bernard Iremonger
2020-01-10 15:20     ` [dpdk-dev] [PATCH v4 14/14] doc: update i40e user guide Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 1/9] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 2/9] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 3/9] net/i40e: improve RSS debug Bernard Iremonger
2020-01-09 13:44     ` Zhang, Qi Z
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 4/9] net/i40e: handle ESP tunnel Bernard Iremonger
2020-01-09 14:08     ` Zhang, Qi Z
2020-01-09 14:21       ` Iremonger, Bernard
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 5/9] net/i40e: process ESP flows Bernard Iremonger
2020-01-09 14:00     ` Zhang, Qi Z
2020-01-13 11:56       ` Iremonger, Bernard
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 6/9] net/i40e: display Flow Director packet Bernard Iremonger
2020-01-09 12:44     ` Zhang, Qi Z
2020-01-09 14:02       ` Iremonger, Bernard
2020-01-09 14:11         ` Zhang, Qi Z
2020-01-09 14:30           ` Iremonger, Bernard
2020-01-09 23:07         ` Ananyev, Konstantin
2020-01-10  9:20           ` Iremonger, Bernard
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 7/9] librte_ethdev: add ESP and AH flow types to RSS Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 8/9] doc: release note for ESP Bernard Iremonger
2020-01-09 12:16   ` [dpdk-dev] [PATCH v3 9/9] doc: update i40e user guide Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 01/10] app/testpmd: parse flow command line for ESP Bernard Iremonger
2020-01-08 14:43   ` Ori Kam
2020-01-08 16:16     ` Iremonger, Bernard
2020-01-09  6:29       ` Ori Kam
2020-01-09  9:16         ` Iremonger, Bernard
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 02/10] app/testpmd: improve debug code Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 03/10] app/testpmd: dump Rx and Tx mbuf Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 04/10] net/i40e: improve RSS debug Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 05/10] net/i40e: handle ESP tunnel Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 06/10] net/i40e: process ESP flows Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 07/10] net/i40e: display Flow Director packet Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 08/10] librte_ethdev: add ESP and AH flow types to RSS Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 09/10] doc: release note for ESP Bernard Iremonger
2019-12-17 10:15 ` [dpdk-dev] [PATCH v2 10/10] doc: update i40e user guide Bernard Iremonger

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