[PATCH 0/2] fix variable type in pattern parsing for raw flow

[Zhang, Qi Z]

> -----Original Message-----
> From: Guo, Junfeng <junfeng.guo at intel.com>
> Sent: Friday, June 16, 2023 2:22 PM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>; David Marchand
> <david.marchand at redhat.com>
> Cc: Yang, Qiming <qiming.yang at intel.com>; dev at dpdk.org; stable at dpdk.org;
> Xu, Ting <ting.xu at intel.com>
> Subject: RE: [PATCH 0/2] fix variable type in pattern parsing for raw flow
> 
> 
> 
> > -----Original Message-----
> > From: Zhang, Qi Z <qi.z.zhang at intel.com>
> > Sent: Friday, June 16, 2023 13:49
> > To: David Marchand <david.marchand at redhat.com>; Guo, Junfeng
> > <junfeng.guo at intel.com>
> > Cc: Yang, Qiming <qiming.yang at intel.com>; dev at dpdk.org;
> > stable at dpdk.org; Xu, Ting <ting.xu at intel.com>
> > Subject: RE: [PATCH 0/2] fix variable type in pattern parsing for raw
> > flow
> >
> >
> >
> > > -----Original Message-----
> > > From: David Marchand <david.marchand at redhat.com>
> > > Sent: Thursday, June 15, 2023 3:28 PM
> > > To: Guo, Junfeng <junfeng.guo at intel.com>
> > > Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Yang, Qiming
> > > <qiming.yang at intel.com>; dev at dpdk.org; stable at dpdk.org; Xu, Ting
> > > <ting.xu at intel.com>
> > > Subject: Re: [PATCH 0/2] fix variable type in pattern parsing for
> > > raw flow
> > >
> > > On Thu, Jun 15, 2023 at 7:17 AM Junfeng Guo <junfeng.guo at intel.com>
> > > wrote:
> > > >
> > > > In current pattern parsing function for protocol agnostic flow
> > > > offloading (raw flow), some of the variables of packet length are
> > > > defined as uint8_t, which are too small for some large-size
> > > > packets, such as srv6 (Segment Routing over IPv6 dataplane) type.
> > > > Change the type to uint16_t.
> > > >
> > > > For example, the length of below srv6 paket is 268 B, larger than
> > > > the max of uint8_t type (i.e., 256).
> > > >
> > "mac()/ipv6(nextheader=43)/ipv6srh(headerextlength=4,nextheader=41)\
> > > >                 /ipv6(dst=2001:2:0:0:0:0:0:2)"
> > > >
> > > > Junfeng Guo (2):
> > > >   net/ice: fix variable type in pattern parsing for raw flow
> > > >   net/iavf: fix variable type in pattern parsing for raw flow
> > >
> > > In the commit title, it is better to describe a functional impact
> > > rather
> > than
> > > repeat the implementation of a fix.
> > >
> > > This makes it easier for people looking for a fix for their specific
> > > issue
> > they
> > > are investigating.
> > > And, on the contrary, it also makes it easier when looking for a
> > regression on
> > > a specific feature.
> > >
> > > Here, "fix variable type" gives no clue that it is linked to packet
> > > length or
> > the
> > > protocol agnostic/raw pattern offloading feature.
> > >
> > > So, I don't understand this part of the code, but I think a better
> > > title
> > would
> > > be:
> > > net/ice: fix protocol agnostic offloading with big packets
> > >
> > > Does it sound ok to you?
> >
> > +1
> > Junfeng,  could you comment, if no concern, I will merge patch with
> > the suggested title.
> 
> Sure, that sounds good to me!
> Please go ahead with the suggested title.
> 
> Thanks David for the comment!
> Yes, it's more reasonable to describe patch with more specific and valid
> words.

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi
> 
> >
> > >
> > >
> > > >
> > > >  drivers/net/iavf/iavf_hash.c      | 2 +-
> > > >  drivers/net/ice/ice_fdir_filter.c | 2 +-
> > > >  drivers/net/ice/ice_hash.c        | 2 +-
> > > >  3 files changed, 3 insertions(+), 3 deletions(-)
> > > >
> > > > --
> > > > 2.25.1
> > > >
> > >
> > >
> > > --
> > > David Marchand