From: "Kovacevic, Marko" <marko.kovacevic@intel.com>
To: "Hu, Jiayu" <jiayu.hu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"Hu, Jiayu" <jiayu.hu@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v6] doc: add GRO limitations in prog_guide
Date: Thu, 17 Jan 2019 13:55:43 +0000 [thread overview]
Message-ID: <6DC05C7C5F25994B81B3F2F214251F660207DB1F@IRSMSX104.ger.corp.intel.com> (raw)
In-Reply-To: <1547604822-9920-1-git-send-email-jiayu.hu@intel.com>
> +GRO Library Limitations
> +-----------------------
> +
> +- GRO library uses MBUF->l2_len/l3_len/l4_len/outer_l2_len/
> + outer_l3_len/packet_type to get protocol headers for the
> + input packet, rather than parsing the packet header. Therefore,
> + before call GRO APIs to merge packets, user applications
> + must set MBUF->l2_len/l3_len/l4_len/outer_l2_len/outer_l3_len/
> + packet_type to the same values as the protocol headers of the
> + packet.
> +
> +- GRO library doesn't support to process the packets with IPv4
> + Options or VLAN tagged.
> +
> +- GRO library just supports to process the packet organized
> + in a single MBUF. If the input packet consists of multiple
> + MBUFs (i.e. chained MBUFs), GRO reassembly behaviors are
> + unknown.
> --
Would it be better said like this ??
- GRO library uses different MBUF->packet_types for example
``l2_len, l3_len, l4_len, outer_l2_len, outer_l3_len`` to get protocol
headers for the input packet, rather than parsing the packet header.
Therefore, before calling GRO APIs to merge packets, user applications
must set MBUF->packet_type to the same values as the protocol headers of
the packet.
next prev parent reply other threads:[~2019-01-17 13:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 4:25 [dpdk-dev] [PATCH] doc: add GRO API requirement " Jiayu Hu
2018-12-26 4:04 ` [dpdk-dev] [PATCH v2] doc: add GRO API limitations " Jiayu Hu
2019-01-04 7:16 ` [dpdk-dev] [PATCH v3] " Jiayu Hu
2019-01-09 3:00 ` [dpdk-dev] [PATCH V4] " Jiayu Hu
2019-01-09 4:25 ` Varghese, Vipin
2019-01-09 4:27 ` Varghese, Vipin
2019-01-09 5:18 ` Hu, Jiayu
2019-01-09 8:19 ` [dpdk-dev] [PATCH v5] " Jiayu Hu
2019-01-09 18:20 ` Stephen Hemminger
2019-01-09 18:40 ` Ananyev, Konstantin
2019-01-09 21:31 ` Morten Brørup
2019-01-10 8:06 ` Hu, Jiayu
2019-01-10 8:28 ` Morten Brørup
2019-01-16 2:13 ` [dpdk-dev] [PATCH v6] doc: add GRO " Jiayu Hu
2019-01-16 9:50 ` Ananyev, Konstantin
2019-01-17 22:08 ` Thomas Monjalon
2019-01-17 13:55 ` Kovacevic, Marko [this message]
2019-01-17 22:08 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2019-01-04 19:35 ` [dpdk-dev] [PATCH] doc: add GRO API requirement " Stephen Hemminger
2019-01-08 2:35 ` Hu, Jiayu
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=6DC05C7C5F25994B81B3F2F214251F660207DB1F@IRSMSX104.ger.corp.intel.com \
--to=marko.kovacevic@intel.com \
--cc=dev@dpdk.org \
--cc=jiayu.hu@intel.com \
--cc=konstantin.ananyev@intel.com \
--cc=stable@dpdk.org \
--cc=thomas@monjalon.net \
/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).