DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Hu, Jiayu" <jiayu.hu@intel.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
Subject: Re: [dpdk-dev] [PATCH 2/3] app/testpmd: enable UDP GSO in the checksum	forwarding engine
Date: Sat, 16 Jun 2018 09:14:54 +0000	[thread overview]
Message-ID: <ED946F0BEFE0A141B63BABBD629A2A9B3890FEB5@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <8CEF83825BEC744B83065625E567D7C260CB37DB@IRSMSX108.ger.corp.intel.com>

Hi Bernard,

> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Thursday, June 14, 2018 10:44 PM
> To: Hu, Jiayu <jiayu.hu@intel.com>; dev@dpdk.org
> Cc: Ananyev, Konstantin <konstantin.ananyev@intel.com>; Hu, Jiayu
> <jiayu.hu@intel.com>
> Subject: RE: [dpdk-dev] [PATCH 2/3] app/testpmd: enable UDP GSO in the
> checksum forwarding engine
> 
> Hi Jiayu,
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Jiayu Hu
> > Sent: Tuesday, May 29, 2018 8:41 AM
> > To: dev@dpdk.org
> > Cc: Ananyev, Konstantin <konstantin.ananyev@intel.com>; Hu, Jiayu
> > <jiayu.hu@intel.com>
> > Subject: [dpdk-dev] [PATCH 2/3] app/testpmd: enable UDP GSO in the
> > checksum forwarding engine
> >
> > This patch enables GSO for UDP/IPv4 packets. Oversized UDP/IPv4
> packets
> > transmitted over a GSO-enabled port will undergo segmentation.
> >
> > Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
> > ---
> >  app/test-pmd/cmdline.c  | 5 +++--
> >  app/test-pmd/csumonly.c | 2 ++
> >  app/test-pmd/testpmd.c  | 2 +-
> >  3 files changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
> > 27e2aa8..4239e91 100644
> > --- a/app/test-pmd/cmdline.c
> > +++ b/app/test-pmd/cmdline.c
> > @@ -4792,8 +4792,9 @@ cmd_gso_show_parsed(void *parsed_result,
> >  		if (gso_ports[res->cmd_pid].enable) {
> >  			printf("Max GSO'd packet size: %uB\n"
> >  					"Supported GSO types: TCP/IPv4, "
> > -					"VxLAN with inner TCP/IPv4 packet,
> "
> > -					"GRE with inner TCP/IPv4
> packet\n",
> > +					"UDP/IPv4, VxLAN with inner "
> > +					"TCP/IPv4 packet, GRE with inner "
> > +					"TCP/IPv4 packet\n",
> 
> This change is giving 3 checkpatch.pl warnings and should be refactored

The file test-pmd/cmdline.c uses the above coding style to split long strings,
so I think I need to keep this style. But when I use it, there are always some warnings.

> 
> 
> >  					gso_max_segment_size);
> >  		} else
> >  			printf("GSO is not enabled on Port %u\n", res-
> > >cmd_pid); diff --git a/app/test-pmd/csumonly.c b/app/test-
> > pmd/csumonly.c index 0bb88cf..4948292 100644
> > --- a/app/test-pmd/csumonly.c
> > +++ b/app/test-pmd/csumonly.c
> > @@ -411,6 +411,8 @@ process_inner_cksums(void *l3_hdr, const struct
> > testpmd_offload_info *info,
> >  						info->ethertype);
> >  			}
> >  		}
> > +		if (info->gso_enable)
> > +			ol_flags |= PKT_TX_UDP_SEG;
> >  	} else if (info->l4_proto == IPPROTO_TCP) {
> >  		tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
> >  		tcp_hdr->cksum = 0;
> > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> > 35cf266..b5766ff 100644
> > --- a/app/test-pmd/testpmd.c
> > +++ b/app/test-pmd/testpmd.c
> > @@ -777,7 +777,7 @@ init_config(void)
> >  	init_port_config();
> >
> >  	gso_types = DEV_TX_OFFLOAD_TCP_TSO |
> > DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
> > -		DEV_TX_OFFLOAD_GRE_TNL_TSO;
> > +		DEV_TX_OFFLOAD_GRE_TNL_TSO |
> > DEV_TX_OFFLOAD_UDP_TSO;
> >  	/*
> >  	 * Records which Mbuf pool to use by each logical core, if needed.
> >  	 */
> > --
> > 2.7.4
> 
> ./devtools/check-git-log.sh -1
> Headline too long:
>         app/testpmd: enable UDP GSO in the checksum forwarding engine

Will change it in the next version.

> 
> Should the dpdk/doc/guides/testpmd_ap_ug/testpmd_funcs.rst  file be
> updated?

I will add some descriptions about UDP/IPv4 GSO usage guide in it.

Thanks,
Jiayu
> 
> Regards,
> 
> Bernard
> 

  reply	other threads:[~2018-06-16  9:14 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29  7:41 [dpdk-dev] [PATCH 0/3] Support UDP/IPv4 GSO Jiayu Hu
2018-05-29  7:41 ` [dpdk-dev] [PATCH 1/3] gso: support UDP/IPv4 fragmentation Jiayu Hu
2018-05-29  7:41 ` [dpdk-dev] [PATCH 2/3] app/testpmd: enable UDP GSO in the checksum forwarding engine Jiayu Hu
2018-06-14 14:44   ` Iremonger, Bernard
2018-06-16  9:14     ` Hu, Jiayu [this message]
2018-05-29  7:41 ` [dpdk-dev] [PATCH 3/3] gso: add UDP/IPv4 GSO to the programmer guide Jiayu Hu
2018-06-27  1:59   ` Zhang, Yuwei1
2018-06-17  3:13 ` [dpdk-dev] [PATCH v2 0/3] Support UDP/IPv4 GSO Jiayu Hu
2018-06-17  3:13   ` [dpdk-dev] [PATCH v2 1/3] gso: support UDP/IPv4 fragmentation Jiayu Hu
2018-06-21  8:24     ` Wang, Xiao W
2018-06-21  8:26       ` Hu, Jiayu
2018-06-17  3:13   ` [dpdk-dev] [PATCH v2 2/3] app/testpmd: enable UDP GSO in csum engine Jiayu Hu
2018-06-26  9:46     ` Iremonger, Bernard
2018-06-17  3:13   ` [dpdk-dev] [PATCH v2 3/3] gso: update documents for UDP/IPv4 GSO Jiayu Hu
2018-06-22  5:54   ` [dpdk-dev] [PATCH v3 0/3] Support " Jiayu Hu
2018-06-22  5:54     ` [dpdk-dev] [PATCH v3 1/3] gso: support UDP/IPv4 fragmentation Jiayu Hu
2018-06-26 23:58       ` Ophir Munk
2018-06-27  2:28         ` Hu, Jiayu
2018-06-27  5:05           ` Hu, Jiayu
2018-06-22  5:54     ` [dpdk-dev] [PATCH v3 2/3] app/testpmd: enable UDP GSO in csum engine Jiayu Hu
2018-06-22  5:54     ` [dpdk-dev] [PATCH v3 3/3] gso: update documents for UDP/IPv4 GSO Jiayu Hu
2018-06-25  4:13     ` [dpdk-dev] [PATCH v3 0/3] Support " Wang, Xiao W
2018-07-06  1:02     ` [dpdk-dev] [PATCH v4 " Jiayu Hu
2018-07-06  1:02       ` [dpdk-dev] [PATCH v4 1/3] gso: support UDP/IPv4 fragmentation Jiayu Hu
2018-07-06  1:02       ` [dpdk-dev] [PATCH v4 2/3] app/testpmd: enable UDP GSO in csum engine Jiayu Hu
2018-07-06  1:02       ` [dpdk-dev] [PATCH v4 3/3] gso: update documents for UDP/IPv4 GSO Jiayu Hu
2018-07-11 21:51       ` [dpdk-dev] [PATCH v4 0/3] Support " Thomas Monjalon

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=ED946F0BEFE0A141B63BABBD629A2A9B3890FEB5@shsmsx102.ccr.corp.intel.com \
    --to=jiayu.hu@intel.com \
    --cc=bernard.iremonger@intel.com \
    --cc=dev@dpdk.org \
    --cc=konstantin.ananyev@intel.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).