From: "Wu, Jingjing" <jingjing.wu@intel.com>
To: Sean Harte <seanbh@gmail.com>,
Adrien Mazarguil <adrien.mazarguil@6wind.com>
Cc: "Xing, Beilei" <beilei.xing@intel.com>,
"Chilikin, Andrey" <andrey.chilikin@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v6 4/8] ethdev: add GTP items to support flow API
Date: Thu, 5 Oct 2017 08:06:38 +0000 [thread overview]
Message-ID: <9BB6961774997848B5B42BEC655768F810E89F3C@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <CACA5i9YigDzmFtOMG8_A=kxXrfhN1krZf20FL0e-nG+C8VDkdw@mail.gmail.com>
> -----Original Message-----
> From: Sean Harte [mailto:seanbh@gmail.com]
> Sent: Tuesday, October 3, 2017 4:57 PM
> To: Adrien Mazarguil <adrien.mazarguil@6wind.com>
> Cc: Xing, Beilei <beilei.xing@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Chilikin,
> Andrey <andrey.chilikin@intel.com>; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v6 4/8] ethdev: add GTP items to support flow API
>
> On 2 October 2017 at 13:27, Adrien Mazarguil <adrien.mazarguil@6wind.com> wrote:
> > On Fri, Sep 29, 2017 at 10:29:55AM +0100, Sean Harte wrote:
> >> On 29 September 2017 at 09:54, Xing, Beilei <beilei.xing@intel.com> wrote:
> > <snip>
> >> >> > /**
> >> >> > + * RTE_FLOW_ITEM_TYPE_GTP.
> >> >> > + *
> >> >> > + * Matches a GTPv1 header.
> >> >> > + */
> >> >> > +struct rte_flow_item_gtp {
> >> >> > + /**
> >> >> > + * Version (3b), protocol type (1b), reserved (1b),
> >> >> > + * Extension header flag (1b),
> >> >> > + * Sequence number flag (1b),
> >> >> > + * N-PDU number flag (1b).
> >> >> > + */
> >> >> > + uint8_t v_pt_rsv_flags;
> >> >> > + uint8_t msg_type; /**< Message type. */
> >> >> > + rte_be16_t msg_len; /**< Message length. */
> >> >> > + rte_be32_t teid; /**< Tunnel endpoint identifier. */ };
> >> >>
> >> >> In future, you might add support for GTPv2 (which is used since LTE).
> >> >> Maybe this structure should have v1 in its name to avoid confusion?
> >> >
> >> > I considered it before. But I think we can modify it when we support GTPv2 in future,
> and keep concise 'GTP' currently:) since I have described it matches v1 header.
> >> >
> >>
> >> You could rename v_pt_rsv_flags to version_flags to avoid some future
> >> code changes to support GTPv2. There's still the issue that not all
> >> GTPv2 messages have a TEID though.
> >
> > Although they have the same size, the header of these two protocols
> > obviously differs. My suggestion would be to go with a separate GTPv2
> > pattern item using its own dedicated structure instead.
> >
> > --
> > Adrien Mazarguil
> > 6WIND
>
> The 1st four bytes are the same (flags in first byte have different
> meanings, but the bits indicating the version are in the same
> location). After that, different fields in each version are optional,
> and the headers have variable size. A single structure could be used
> if the first field is renamed to something like "version_flags", and
> then check that the teid field in item->mask is not set if
> ((version_flags >> 5 == 2) && ((version_flags >> 4) & 1) == 1). If
> there's going to be two structures, it would be good to put v1 and v2
> in the names, in my opinion.
I think the name GTP is OK for now. Due to v1 and v2 are different, why not rename them
when the v2 supporting are introduced?
next prev parent reply other threads:[~2017-10-05 8:06 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9BB6961774997848B5B42BEC655768F810E89F3C@SHSMSX103.ccr.corp.intel.com \
--to=jingjing.wu@intel.com \
--cc=adrien.mazarguil@6wind.com \
--cc=andrey.chilikin@intel.com \
--cc=beilei.xing@intel.com \
--cc=dev@dpdk.org \
--cc=seanbh@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).