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From: "Xing, Beilei" <beilei.xing@intel.com>
To: Sean Harte <seanbh@gmail.com>
Cc: "Wu, Jingjing" <jingjing.wu@intel.com>,
	"Chilikin, Andrey" <andrey.chilikin@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v5 4/8] ethdev: add GTP items to support flow API
Date: Fri, 29 Sep 2017 02:12:42 +0000	[thread overview]
Message-ID: <94479800C636CB44BD422CB454846E0132038AF3@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <CACA5i9ZzrjjxuDRz=vCgg54cH426RTcpJ1TCQnXEpibiqCcwyQ@mail.gmail.com>

> -----Original Message-----
> From: Sean Harte [mailto:seanbh@gmail.com]
> Sent: Thursday, September 28, 2017 9:43 PM
> To: Xing, Beilei <beilei.xing@intel.com>
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; Chilikin, Andrey
> <andrey.chilikin@intel.com>; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v5 4/8] ethdev: add GTP items to support
> flow API
> 
> On 28 September 2017 at 09:13, Beilei Xing <beilei.xing@intel.com> wrote:
> > This patch adds GTP, GTPC and GTPU items for generic flow API, and
> > also exposes item fields through the flow command.
> >
> > Signed-off-by: Beilei Xing <beilei.xing@intel.com>
> > Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
> > ---
> >  app/test-pmd/cmdline_flow.c                 | 40 ++++++++++++++++++++++
> >  app/test-pmd/config.c                       |  3 ++
> >  doc/guides/prog_guide/rte_flow.rst          | 18 ++++++++++
> >  doc/guides/testpmd_app_ug/testpmd_funcs.rst |  4 +++
> >  lib/librte_ether/rte_flow.h                 | 52
> +++++++++++++++++++++++++++++
> >  5 files changed, 117 insertions(+)
> <snip>
> > --- a/doc/guides/prog_guide/rte_flow.rst
> > +++ b/doc/guides/prog_guide/rte_flow.rst
> > @@ -955,6 +955,24 @@ Usage example, fuzzy match a TCPv4 packets:
> >     | 4     | END      |
> >     +-------+----------+
> >
> > +Item: ``GTP``, ``GTPC``, ``GTPU``
> > +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > +
> > +Matches a GTP header.
> > +
> > +Note: GTP, GTPC and GTPU use the same structure. Since only UDP
> > +destination port is used to distinguish GTP_C (port is 2123) and
> > +GTP_U packets (port is 2152), GTPC and GTPU item are defined for a
> > +user-friendly API when creating GTP-C and GTP-U flow.
> 
> In GTPv1-C, request messages are sent from any port to port 2123, and in the
> response message the ports are reversed (in GTPv2-C, it's a little more
> complicated). Is the intention to only match requests?
> It's not clear.
> 
> Also, it should be mentioned that GTPv0 is not included (it uses port 3386)

Thanks for the comments, will clarify them in next version.

> 
> > +
> > +- ``v_pt_rsv_flags``: version (3b), protocol type (1b), reserved
> > +(1b),
> > +  extension header flag (1b), sequence number flag (1b), N-PDU number
> > +  flag (1b).
> > +- ``msg_type``: message type.
> > +- ``msg_len``: message length.
> > +- ``teid``: tunnel endpoint identifier.
> > +- Default ``mask`` matches teid only.
> > +
> >  Actions
> >  ~~~~~~~
> >
> <snip>
> >  /**
> > + * RTE_FLOW_ITEM_TYPE_GTP.
> > + *
> > + * Matches a GTP header.
> > + */
> > +struct rte_flow_item_gtp {
> > +       /**
> > +        * Version (2b), protocol type (1b), reserved (1b),
> > +        * Extension header flag (1b),
> > +        * Sequence number flag (1b),
> > +        * N-PDU number flag (1b).
> > +        */
> > +       uint8_t v_pt_rsv_flags;
> 
> The version field has 3 bits, not 2 (it was correct above). The meaning of the 5
> flags in this byte is different in GTPv2-C compared to GTPv1-C. Is the
> intention to only support GTPv1? If so that should be stated. If GTPv2 is
> supported, then the teid field below is not present in a few cases and
> matching on it could cause some strange behaviour.

Thanks for the correction, I will change version filed in next version.
And yes, we only support GTPv1 only, will clarify it.

> 
> > +       uint8_t msg_type; /**< Message type. */
> > +       rte_be16_t msg_len; /**< Message length. */
> > +       rte_be32_t teid; /**< Tunnel endpoint identifier. */ };
> > +
> > +/** Default mask for RTE_FLOW_ITEM_TYPE_GTP. */ #ifndef __cplusplus
> > +static const struct rte_flow_item_gtp rte_flow_item_gtp_mask = {
> > +       .teid = RTE_BE32(0xffffffff),
> > +};
> > +#endif
> > +
> > +/**
> >   * Matching pattern item definition.
> >   *
> >   * A pattern is formed by stacking items starting from the lowest
> > protocol
> > --
> > 2.5.5
> >

  reply	other threads:[~2017-09-29  2:12 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25  7:50 [dpdk-dev] [PATCH 0/7] GTP enabling Beilei Xing
2017-08-25  7:50 ` [dpdk-dev] [PATCH 1/7] net/i40e: support RSS for GTP-C and GTP-U Beilei Xing
2017-09-07 11:20   ` [dpdk-dev] [PATCH v2 0/6] GPT-C and GTP-U enabling Beilei Xing
2017-09-07 11:20     ` [dpdk-dev] [PATCH v2 1/6] net/i40e: support RSS for GTP-C and GTP-U Beilei Xing
2017-09-18 14:17       ` Bruce Richardson
2017-09-18 14:21         ` Bruce Richardson
2017-09-07 11:20     ` [dpdk-dev] [PATCH v2 2/6] ethdev: add GTPC and GTPU items Beilei Xing
2017-09-07 12:19       ` Adrien Mazarguil
2017-09-12  6:40         ` Xing, Beilei
2017-09-12 10:46           ` Adrien Mazarguil
2017-09-13  3:09             ` Xing, Beilei
2017-09-07 11:21     ` [dpdk-dev] [PATCH v2 3/6] net/i40e: finish integration FDIR with generic flow API Beilei Xing
2017-09-07 11:21     ` [dpdk-dev] [PATCH v2 4/6] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-09-07 11:21     ` [dpdk-dev] [PATCH v2 5/6] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-09-07 11:21     ` [dpdk-dev] [PATCH v2 6/6] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-09-22 22:35     ` [dpdk-dev] [PATCH v3 0/8] GPT-C and GTP-U enabling Beilei Xing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 1/8] mbuf: support GTP in software packet type parser Beilei Xing
2017-09-25  9:21         ` Olivier MATZ
2017-09-28  2:17         ` [dpdk-dev] [PATCH v4 0/8] GPT-C and GTP-U enabling Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 1/8] mbuf: support GTP in software packet type parser Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 2/8] net/i40e: update ptype and pctype info Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 3/8] net/i40e: support RSS for new pctype Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 4/8] ethdev: add GTP items to support flow API Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 5/8] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 6/8] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 7/8] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-09-28  2:17           ` [dpdk-dev] [PATCH v4 8/8] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-09-28  8:13           ` [dpdk-dev] [PATCH v5 0/8] GPT-C and GTP-U enabling Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 1/8] mbuf: support GTP in software packet type parser Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 2/8] net/i40e: update ptype and pctype info Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 3/8] net/i40e: support RSS for new pctype Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 4/8] ethdev: add GTP items to support flow API Beilei Xing
2017-09-28 13:43               ` Sean Harte
2017-09-29  2:12                 ` Xing, Beilei [this message]
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 5/8] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 6/8] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 7/8] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-09-28  8:13             ` [dpdk-dev] [PATCH v5 8/8] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-09-29  5:18           ` [dpdk-dev] [PATCH v6 0/8] GPT-C and GTP-U enabling Beilei Xing
2017-09-29  5:18             ` [dpdk-dev] [PATCH v6 1/8] mbuf: support GTP in software packet type parser Beilei Xing
2017-09-29  8:15               ` Sean Harte
2017-09-29  8:41                 ` Xing, Beilei
2017-09-29  5:18             ` [dpdk-dev] [PATCH v6 2/8] net/i40e: update ptype and pctype info Beilei Xing
2017-09-29 13:22               ` Wu, Jingjing
2017-09-29 13:24                 ` Xing, Beilei
2017-09-29  5:18             ` [dpdk-dev] [PATCH v6 3/8] net/i40e: support RSS for new pctype Beilei Xing
2017-09-29 13:24               ` Wu, Jingjing
2017-09-29  5:18             ` [dpdk-dev] [PATCH v6 4/8] ethdev: add GTP items to support flow API Beilei Xing
2017-09-29  8:15               ` Sean Harte
2017-09-29  8:54                 ` Xing, Beilei
2017-09-29  9:29                   ` Sean Harte
2017-09-29  9:37                     ` Xing, Beilei
2017-10-02 12:27                     ` Adrien Mazarguil
2017-10-03  8:56                       ` Sean Harte
2017-10-05  8:06                         ` Wu, Jingjing
2017-10-05  8:30                           ` Adrien Mazarguil
2017-10-05  8:39                             ` Wu, Jingjing
2017-09-29  5:18             ` [dpdk-dev] [PATCH v6 5/8] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-09-29 13:28               ` Wu, Jingjing
2017-09-29  5:19             ` [dpdk-dev] [PATCH v6 6/8] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-09-29  8:15               ` Sean Harte
2017-09-29  9:33                 ` Xing, Beilei
2017-09-29 10:09                   ` Sean Harte
2017-09-29 11:30                     ` Xing, Beilei
2017-09-29 11:39                       ` Xing, Beilei
2017-09-29 13:14                     ` Xing, Beilei
2017-09-29 15:15                     ` Xing, Beilei
2017-09-29  5:19             ` [dpdk-dev] [PATCH v6 7/8] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-09-29  5:19             ` [dpdk-dev] [PATCH v6 8/8] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-09-29 15:50             ` [dpdk-dev] [PATCH v7 0/8] net/i40e: GPT-C and GTP-U enabling Beilei Xing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 1/8] mbuf: support GTP in software packet type parser Beilei Xing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 2/8] net/i40e: update ptype and pctype info Beilei Xing
2017-10-05  2:51                 ` Wu, Jingjing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 3/8] net/i40e: support RSS for new pctype Beilei Xing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 4/8] ethdev: add GTP items to support flow API Beilei Xing
2017-10-05  8:01                 ` Wu, Jingjing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 5/8] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-10-05  2:52                 ` Wu, Jingjing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 6/8] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-10-05  3:09                 ` Wu, Jingjing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 7/8] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-10-05  3:13                 ` Wu, Jingjing
2017-09-29 15:50               ` [dpdk-dev] [PATCH v7 8/8] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-10-05  8:03                 ` Wu, Jingjing
2017-10-04 22:43               ` [dpdk-dev] [PATCH v7 0/8] net/i40e: GPT-C and GTP-U enabling Ferruh Yigit
2017-10-05  8:14               ` [dpdk-dev] [PATCH v8 0/7] " Beilei Xing
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 1/7] mbuf: support GTP in software packet type parser Beilei Xing
2017-10-05 11:50                   ` Sean Harte
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 2/7] net/i40e: update ptype and pctype info Beilei Xing
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 3/7] ethdev: add GTP items to support flow API Beilei Xing
2017-10-05 11:50                   ` Sean Harte
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 4/7] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 5/7] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-10-05 11:50                   ` Sean Harte
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 6/7] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-10-05  8:14                 ` [dpdk-dev] [PATCH v8 7/7] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-10-05  8:23                 ` [dpdk-dev] [PATCH v8 0/7] net/i40e: GPT-C and GTP-U enabling Wu, Jingjing
2017-10-05 21:13                 ` Ferruh Yigit
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 2/8] net/i40e: update ptype and pctype info Beilei Xing
2017-09-23  2:58         ` Wu, Jingjing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 3/8] net/i40e: support RSS for new pctype Beilei Xing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 4/8] ethdev: add GTP items to support flow API Beilei Xing
2017-09-22 13:39         ` Adrien Mazarguil
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 5/8] net/i40e: finish integration FDIR with generic " Beilei Xing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 6/8] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 7/8] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-09-22 22:35       ` [dpdk-dev] [PATCH v3 8/8] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing
2017-08-25  7:50 ` [dpdk-dev] [PATCH 2/7] ethdev: add GTP item Beilei Xing
2017-09-06 16:02   ` Adrien Mazarguil
2017-09-07  6:31     ` Xing, Beilei
2017-08-25  7:50 ` [dpdk-dev] [PATCH 3/7] app/testpmd: add GTP fields to flow command Beilei Xing
2017-09-06 16:03   ` Adrien Mazarguil
2017-08-25  7:50 ` [dpdk-dev] [PATCH 4/7] net/i40e: finish integration FDIR with generic flow API Beilei Xing
2017-08-25  7:50 ` [dpdk-dev] [PATCH 5/7] net/i40e: add FDIR support for GTP-C and GTP-U Beilei Xing
2017-08-25  7:50 ` [dpdk-dev] [PATCH 6/7] net/i40e: add cloud filter parsing function for GTP Beilei Xing
2017-08-25  7:50 ` [dpdk-dev] [PATCH 7/7] net/i40e: enable cloud filter for GTP-C and GTP-U Beilei Xing

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