DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Zhang, AlvinX" <alvinx.zhang@intel.com>
To: "Xing, Beilei" <beilei.xing@intel.com>,
	"Guo, Jia" <jia.guo@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/i40e: fix X722 FDIR field mask
Date: Fri, 29 Jan 2021 05:11:20 +0000
Message-ID: <DM6PR11MB38989AC848A17F9FF83CA88B9FB99@DM6PR11MB3898.namprd11.prod.outlook.com> (raw)
In-Reply-To: <MN2PR11MB380756CDC6959BCDADE485B9F7B99@MN2PR11MB3807.namprd11.prod.outlook.com>

Hi Beilei,

> -----Original Message-----
> From: Xing, Beilei <beilei.xing@intel.com>
> Sent: Friday, January 29, 2021 11:34 AM
> To: Zhang, AlvinX <alvinx.zhang@intel.com>; Guo, Jia <jia.guo@intel.com>;
> Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org
> Subject: RE: [PATCH] net/i40e: fix X722 FDIR field mask
> 
> 
> 
> > -----Original Message-----
> > From: Zhang,Alvin <alvinx.zhang@intel.com>
> > Sent: Friday, January 29, 2021 10:09 AM
> > To: Guo, Jia <jia.guo@intel.com>; Xing, Beilei
> > <beilei.xing@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> > Cc: dev@dpdk.org
> > Subject: [PATCH] net/i40e: fix X722 FDIR field mask
> >
> > From: Alvin Zhang <alvinx.zhang@intel.com>
> >
> > The absolute field offsets of IPv4 or IPv6 header are related to
> > hardware configuration. The X710 and X722 have different hardware
> > configurations, and users can even modify the hardware configuration.
> > Therefore, The default values cannot be used when calculating mask offset.
> >
> > commands and packets as below:
> >   flow create 0 ingress pattern eth / ipv4 proto is 255  / end
> >   actions queue index 2 / end
> >   pkt = Ether()/IP(ttl=63, proto=255)/Raw('X'*40)
> >
> >   flow create 0 ingress pattern eth / ipv4 tos is 50 / udp / end
> >   actions queue index 2 / end
> >   pkt = Ether()/IP(tos=50)/UDP()/Raw('X'*40)
> >
> >   flow create 0 ingress pattern eth / ipv6 tc is 12 / udp / end
> >   actions queue index 3 / end
> >   pkt = Ether()/IPv6(tc=12,hlim=34,fl=0x98765)/UDP()/Raw('X'*40)
> >
> >   flow create 0 ingress pattern eth / ipv6 hop is 34 / end actions
> >   queue index 3 / end
> >   pkt = Ether()/IPv6(tc=12,hlim=34,fl=0x98765)/Raw('X'*40)
> 
> Not very clear about the issue, the above flows will fail to be created with X722?
> And you fix is for FDIR, does RSS have similar issue?

Above flows created succeed, but they can not take effect.

> 
> Beilei
> 


  parent reply	other threads:[~2021-01-29  5:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29  2:09 Zhang,Alvin
2021-01-29  3:34 ` Xing, Beilei
2021-01-29  3:46   ` Zhang, AlvinX
2021-01-29  5:11   ` Zhang, AlvinX [this message]
2021-01-29  3:54 ` Zhou, JunX W
2021-02-01  2:40 ` [dpdk-dev] [PATCH v2] net/i40e: fix inputset " Zhang,Alvin
2021-02-01  3:26   ` Xing, Beilei
2021-03-01  7:06   ` [dpdk-dev] [PATCH v3] " Alvin Zhang
2021-03-09  2:56     ` Chen, LingliX
2021-03-24 11:38       ` Zhang, Qi Z
  -- strict thread matches above, loose matches on Subject: below --
2021-01-29  1:56 [dpdk-dev] [PATCH] net/i40e: fix X722 FDIR " Zhang,Alvin

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=DM6PR11MB38989AC848A17F9FF83CA88B9FB99@DM6PR11MB3898.namprd11.prod.outlook.com \
    --to=alvinx.zhang@intel.com \
    --cc=beilei.xing@intel.com \
    --cc=dev@dpdk.org \
    --cc=jia.guo@intel.com \
    --cc=qi.z.zhang@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

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git