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From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: "Zhang, Helin" <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: [PATCH 1/5] ethdev: Rename macros of packet classification type
Date: Thu, 24 Jul 2014 10:19:45 +0200	[thread overview]
Message-ID: <5763244.xFk97hyylc@xps13> (raw)
In-Reply-To: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A7627BF-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>

2014-07-24 08:14, Zhang, Helin:
> From: Thomas Monjalon [mailto:thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org]
> > 2014-07-24 14:42, Helin Zhang:
> > > For better understanding, 'PCTYPE' was added to the name of i40e RSS
> > > shift macros.
> > >
> > > Signed-off-by: Helin Zhang <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> > 
> > > -#define ETH_RSS_NONF_IPV4_UDP_SHIFT           31
> > > +#define ETH_PCTYPE_NONF_IPV4_UDP              31
> > 
> > Why is it clearer? I don't understand what means PCTYPE.
> 
> It is 'packet classification type' defined in data sheet, and widely used.

Widely used? No it seems to be an i40e naming.
Which datasheet are you pointing?

> It is not just for RSS only, it can be used for flow director possibly.
> That's why I think it would be better to rename it with PCTYPE names.

At least, you should add a comment in the code to explain the meaning.

Thank you
-- 
Thomas

  parent reply	other threads:[~2014-07-24  8:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-24  6:42 [PATCH 0/5] Support configuring hash functions Helin Zhang
     [not found] ` <1406184149-11531-1-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-07-24  6:42   ` [PATCH 1/5] ethdev: Rename macros of packet classification type Helin Zhang
     [not found]     ` <1406184149-11531-2-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-07-24  7:48       ` Thomas Monjalon
2014-07-24  8:14         ` Zhang, Helin
     [not found]           ` <F35DEAC7BCE34641BA9FAC6BCA4A12E70A7627BF-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-07-24  8:19             ` Thomas Monjalon [this message]
2014-07-24  8:23               ` Zhang, Helin
2014-07-24  6:42   ` [PATCH 2/5] ethdev: add new ops of 'check_command_supported' and 'rx_classification_filter_ctl' Helin Zhang
     [not found]     ` <1406184149-11531-3-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-07-24  7:56       ` Thomas Monjalon
2014-07-24  8:49         ` Zhang, Helin
2014-07-24  6:42   ` [PATCH 3/5] i40e: support selecting hash functions Helin Zhang
     [not found]     ` <1406184149-11531-4-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-07-24  7:59       ` Thomas Monjalon
2014-07-24  8:01         ` Matthew Hall
     [not found]           ` <20140724080113.GB21277-Hv3ogNYU3JfZZajBQzqCxQ@public.gmane.org>
2014-07-24  8:07             ` Thomas Monjalon
2014-07-24  8:14               ` Matthew Hall
     [not found]                 ` <0344b116-248f-4f64-9ef7-31be52ba8632-2ueSQiBKiTY7tOexoI0I+QC/G2K4zDHf@public.gmane.org>
2014-07-24  8:54                   ` Zhang, Helin
2014-07-24  6:42   ` [PATCH 4/5] i40e: support configuring symmetric hash function Helin Zhang
2014-07-24  6:42   ` [PATCH 5/5] app/testpmd: new commands for configuring hash functions Helin Zhang

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