From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
Cc: Thomas Monjalon <thomas@monjalon.net>,
Ferruh Yigit <ferruh.yigit@intel.com>,
dev@dpdk.org, Wenzhuo Lu <wenzhuo.lu@intel.com>,
Jingjing Wu <jingjing.wu@intel.com>,
Ajit Khaparde <ajit.khaparde@broadcom.com>,
Somnath Kotur <somnath.kotur@broadcom.com>,
John Daley <johndale@cisco.com>,
Hyong Youb Kim <hyonkim@cisco.com>,
Beilei Xing <beilei.xing@intel.com>,
Qi Zhang <qi.z.zhang@intel.com>,
Konstantin Ananyev <konstantin.ananyev@intel.com>,
Yongseok Koh <yskoh@mellanox.com>, Jacek Siuda <jck@semihalf.com>,
Tomasz Duszynski <tdu@semihalf.com>,
Dmitri Epshtein <dima@marvell.com>,
Natalie Samsonov <nsamsono@marvell.com>,
Jianbo Liu <jianbo.liu@arm.com>,
Andrew Rybchenko <arybchenko@solarflare.com>,
Pascal Mazon <pascal.mazon@6wind.com>
Subject: Re: [dpdk-dev] [PATCH v1 11/16] ethdev: refine TPID handling in flow API
Date: Thu, 5 Apr 2018 14:02:58 +0200 [thread overview]
Message-ID: <20180405120258.GJ4957@6wind.com> (raw)
In-Reply-To: <20180405095510.rufofyaek6aqqenw@laranjeiro-vm.dev.6wind.com>
On Thu, Apr 05, 2018 at 11:55:10AM +0200, Nélio Laranjeiro wrote:
> On Wed, Apr 04, 2018 at 05:56:49PM +0200, Adrien Mazarguil wrote:
> > TPID handling in rte_flow VLAN and E_TAG pattern item definitions is not
> > consistent with the normal stacking order of pattern items, which is
> > confusing to applications.
> >
> > Problem is that when followed by one of these layers, the EtherType field
> > of the preceding layer keeps its "inner" definition, and the "outer" TPID
> > is provided by the subsequent layer, the reverse of how a packet looks like
> > on the wire:
> >
> > Wire: [ ETH TPID = A | VLAN EtherType = B | B DATA ]
> > rte_flow: [ ETH EtherType = B | VLAN TPID = A | B DATA ]
> >
> > Worse, when QinQ is involved, the stacking order of VLAN layers is
> > unspecified. It is unclear whether it should be reversed (innermost to
> > outermost) as well given TPID applies to the previous layer:
> >
> > Wire: [ ETH TPID = A | VLAN TPID = B | VLAN EtherType = C | C DATA ]
> > rte_flow 1: [ ETH EtherType = C | VLAN TPID = B | VLAN TPID = A | C DATA ]
> > rte_flow 2: [ ETH EtherType = C | VLAN TPID = A | VLAN TPID = B | C DATA ]
> >
> > While specifying EtherType/TPID is hopefully rarely necessary, the stacking
> > order in case of QinQ and the lack of documentation remain an issue.
> >
> > This patch replaces TPID in the VLAN pattern item with an inner
> > EtherType/TPID as is usually done everywhere else (e.g. struct vlan_hdr),
> > clarifies documentation and updates all relevant code.
> >
> > Summary of changes for PMDs that implement ETH, VLAN or E_TAG pattern
> > items:
> >
> > - bnxt: EtherType matching is supported, and vlan->inner_type overrides
> > eth->type if the latter has standard TPID value 0x8100, otherwise an
> > error is triggered.
> >
> > - e1000: EtherType matching is only supported with the ETHERTYPE filter,
> > which does not support VLAN matching, therefore no impact.
> >
> > - enic: same as bnxt.
> >
> > - i40e: same as bnxt with a configurable TPID value for the FDIR filter,
> > with existing limitations on allowed EtherType values. The remaining
> > filter types (VXLAN, NVGRE, QINQ) do not support EtherType matching.
> >
> > - ixgbe: same as e1000.
> >
> > - mlx4: EtherType/TPID matching is not supported, no impact.
> >
> > - mlx5: same as bnxt.
> >
> > - mrvl: EtherType matching is supported but eth->type cannot be specified
> > when a VLAN item is present. However vlan->inner_type is used if
> > specified.
> >
> > - sfc: same as bnxt with QinQ TPID value 0x88a8 additionally supported.
> >
> > - tap: same as bnxt.
> >
> > Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
<snip>
> > @@ -1306,12 +1309,21 @@ mlx5_flow_create_vlan(const struct rte_flow_item *item,
> > */
> > if (!eth->mask.vlan_tag)
> > goto error;
> > + /* Exactly one TPID value is allowed if specified. */
> > + if ((eth->val.ether_type & eth->mask.ether_type) !=
> > + (RTE_BE16(0x8100) & eth->mask.ether_type)) {
>
> You can use ETHER_TYPE_VLAN present in rte_ether.h instead of hard coded
> values.
Good catch, I forgot about those macros. I'll make the change in all
impacted code in the next revision.
--
Adrien Mazarguil
6WIND
next prev parent reply other threads:[~2018-04-05 12:03 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-04 15:56 [dpdk-dev] [PATCH v1 00/16] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 01/16] ethdev: update ABI for flow API functions Adrien Mazarguil
2018-04-05 10:06 ` Thomas Monjalon
2018-04-05 12:44 ` Adrien Mazarguil
2018-04-05 13:36 ` Thomas Monjalon
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 02/16] ethdev: add error types to flow API Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 03/16] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 04/16] doc: remove flow API migration section Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 05/16] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 06/16] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 07/16] ethdev: remove C99 flexible arrays from flow API Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 08/16] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 09/16] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 10/16] ethdev: add encap level " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 11/16] ethdev: refine TPID handling in flow API Adrien Mazarguil
2018-04-05 9:55 ` Nélio Laranjeiro
2018-04-05 12:02 ` Adrien Mazarguil [this message]
2018-04-05 14:20 ` Zhang, Qi Z
2018-04-05 14:39 ` Adrien Mazarguil
2018-04-06 4:59 ` Zhang, Qi Z
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 12/16] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 13/16] ethdev: update behavior of VF/PF in " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 14/16] ethdev: rename physical port item " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 15/16] ethdev: add physical port action to " Adrien Mazarguil
2018-04-04 15:56 ` [dpdk-dev] [PATCH v1 16/16] ethdev: add port ID item and " Adrien Mazarguil
2018-04-05 12:24 ` Zhang, Qi Z
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 00/15] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 01/15] ethdev: add error types to flow API Adrien Mazarguil
2018-04-07 9:15 ` Andrew Rybchenko
2018-04-07 9:18 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 02/15] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-07 9:21 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 03/15] doc: remove flow API migration section Adrien Mazarguil
2018-04-07 9:22 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 04/15] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-07 9:23 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 05/15] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-06 15:06 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 06/15] ethdev: remove C99 flexible arrays from flow API Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 07/15] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-07 9:05 ` Andrew Rybchenko
2018-04-09 14:42 ` Adrien Mazarguil
2018-04-11 13:21 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 08/15] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-06 15:41 ` Andrew Rybchenko
2018-04-09 14:41 ` Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 09/15] ethdev: add encap level " Adrien Mazarguil
2018-04-07 8:27 ` Andrew Rybchenko
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 10/15] ethdev: refine TPID handling in flow API Adrien Mazarguil
2018-04-06 17:11 ` Andrew Rybchenko
2018-04-09 14:42 ` Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 11/15] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 12/15] ethdev: update behavior of VF/PF in " Adrien Mazarguil
2018-04-07 9:41 ` Andrew Rybchenko
2018-04-09 14:49 ` Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 13/15] ethdev: rename physical port item " Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 14/15] ethdev: add physical port action to " Adrien Mazarguil
2018-04-07 9:51 ` Andrew Rybchenko
2018-04-09 15:00 ` Adrien Mazarguil
2018-04-06 13:25 ` [dpdk-dev] [PATCH v2 15/15] ethdev: add port ID item and " Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 00/16] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 01/16] ethdev: add error types to flow API Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 02/16] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 03/16] doc: remove flow API migration section Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 04/16] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 05/16] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 06/16] ethdev: remove C99 flexible arrays from flow API Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 07/16] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-11 13:06 ` Andrew Rybchenko
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 08/16] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-11 12:40 ` Andrew Rybchenko
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 09/16] ethdev: add encap level " Adrien Mazarguil
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 10/16] ethdev: refine TPID handling in flow API Adrien Mazarguil
2018-04-11 12:45 ` Andrew Rybchenko
2018-04-10 16:36 ` [dpdk-dev] [PATCH v3 11/16] ethdev: limit default VLAN TCI mask " Adrien Mazarguil
2018-04-11 12:48 ` Andrew Rybchenko
2018-04-10 16:37 ` [dpdk-dev] [PATCH v3 12/16] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-10 16:37 ` [dpdk-dev] [PATCH v3 13/16] ethdev: update behavior of VF/PF in " Adrien Mazarguil
2018-04-10 16:37 ` [dpdk-dev] [PATCH v3 14/16] ethdev: rename physical port item " Adrien Mazarguil
2018-04-11 12:57 ` Andrew Rybchenko
2018-04-10 16:37 ` [dpdk-dev] [PATCH v3 15/16] ethdev: add physical port action to " Adrien Mazarguil
2018-04-11 13:00 ` Andrew Rybchenko
2018-04-10 16:37 ` [dpdk-dev] [PATCH v3 16/16] ethdev: add port ID item and " Adrien Mazarguil
2018-04-11 13:02 ` Andrew Rybchenko
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 00/16] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 01/16] ethdev: add error types to flow API Adrien Mazarguil
2018-04-17 19:37 ` Ferruh Yigit
2018-04-18 8:41 ` Adrien Mazarguil
2018-04-18 9:24 ` Ferruh Yigit
2018-04-19 9:48 ` Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 02/16] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 03/16] doc: remove flow API migration section Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 04/16] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 05/16] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-18 12:26 ` Andrew Rybchenko
2018-04-18 14:58 ` Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 06/16] ethdev: remove C99 flexible arrays from flow API Adrien Mazarguil
2018-04-17 20:18 ` Thomas Monjalon
2018-04-18 6:45 ` Nélio Laranjeiro
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 07/16] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 08/16] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 09/16] ethdev: add encap level " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 10/16] ethdev: refine TPID handling in flow API Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 11/16] ethdev: limit default VLAN TCI mask " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 12/16] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 13/16] ethdev: update behavior of VF/PF in " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 14/16] ethdev: rename physical port item " Adrien Mazarguil
2018-04-16 16:22 ` [dpdk-dev] [PATCH v4 15/16] ethdev: add physical port action to " Adrien Mazarguil
2018-04-17 9:08 ` Mohammad Abdul Awal
2018-04-16 16:23 ` [dpdk-dev] [PATCH v4 16/16] ethdev: add port ID item and " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 00/16] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 01/16] ethdev: add error types to flow API Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 02/16] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 03/16] doc: remove flow API migration section Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 04/16] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 05/16] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 06/16] ethdev: remove C99 flexible arrays from flow API Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 07/16] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-23 15:05 ` Nélio Laranjeiro
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 08/16] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 09/16] ethdev: add encap level " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 10/16] ethdev: refine TPID handling in flow API Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 11/16] ethdev: limit default VLAN TCI mask " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 12/16] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 13/16] ethdev: update behavior of VF/PF in " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 14/16] ethdev: rename physical port item " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 15/16] ethdev: add physical port action to " Adrien Mazarguil
2018-04-19 10:16 ` [dpdk-dev] [PATCH v5 16/16] ethdev: add port ID item and " Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 00/16] Flow API overhaul for switch offloads Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 01/16] ethdev: add error types to flow API Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 02/16] ethdev: clarify flow API pattern items and actions Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 03/16] doc: remove flow API migration section Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 04/16] ethdev: remove DUP action from flow API Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 05/16] ethdev: alter behavior of flow API actions Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 06/16] ethdev: fix C99 flexible arrays from flow API Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 07/16] ethdev: flatten RSS configuration in " Adrien Mazarguil
2018-04-28 3:46 ` Zhao1, Wei
2018-04-28 5:28 ` Peng, Yuan
2018-04-28 7:45 ` Peng, Yuan
2018-05-03 12:48 ` Adrien Mazarguil
2018-05-04 9:31 ` Zhao1, Wei
2018-05-04 9:44 ` Adrien Mazarguil
2018-05-07 7:42 ` Peng, Yuan
2018-05-07 8:11 ` Peng, Yuan
2018-05-07 8:16 ` Zhao1, Wei
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 08/16] ethdev: add hash function to RSS flow API action Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 09/16] ethdev: add encap level " Adrien Mazarguil
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 10/16] ethdev: fix TPID handling in flow API Adrien Mazarguil
2018-04-25 16:10 ` Adrien Mazarguil
2018-04-25 16:15 ` Ferruh Yigit
2018-04-25 15:27 ` [dpdk-dev] [PATCH v6 11/16] ethdev: fix default VLAN TCI mask " Adrien Mazarguil
2018-04-25 15:28 ` [dpdk-dev] [PATCH v6 12/16] ethdev: add transfer attribute to " Adrien Mazarguil
2018-04-25 15:28 ` [dpdk-dev] [PATCH v6 13/16] ethdev: fix behavior of VF/PF in " Adrien Mazarguil
2018-04-25 15:28 ` [dpdk-dev] [PATCH v6 14/16] ethdev: rename physical port item " Adrien Mazarguil
2018-04-25 15:28 ` [dpdk-dev] [PATCH v6 15/16] ethdev: add physical port action to " Adrien Mazarguil
2018-04-25 15:28 ` [dpdk-dev] [PATCH v6 16/16] ethdev: add port ID item and " Adrien Mazarguil
2018-04-25 17:34 ` [dpdk-dev] [PATCH v6 00/16] Flow API overhaul for switch offloads Ferruh Yigit
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