> -----Original Message----- > From: David Marchand <[email protected]> > Sent: Wednesday, April 7, 2021 19:54 > To: Wang, Haiyue <[email protected]>; Zhang, Qi Z <[email protected]> > Cc: dev <[email protected]>; Paolo Valerio <[email protected]>; Aaron Conole > <[email protected]>; Rong, > Leyi <[email protected]>; Tu, Lijuan <[email protected]>; Ruifeng Wang > (Arm Technology China) > <[email protected]>; Feifei Wang <[email protected]>; dpdk stable > <[email protected]>; Guo, Jia > <[email protected]>; Richardson, Bruce <[email protected]>; Ananyev, > Konstantin > <[email protected]>; Van Haaren, Harry > <[email protected]>; Thomas Monjalon > <[email protected]>; Yigit, Ferruh <[email protected]> > Subject: Re: [dpdk-stable] [PATCH v3] net/ixgbe: fix UDP zero checksum error > > On Thu, Feb 25, 2021 at 11:54 AM David Marchand > <[email protected]> wrote: > > > > Hello Haiyue, > > > > On Thu, Feb 4, 2021 at 3:56 PM Haiyue Wang <[email protected]> wrote: > > > > > > There is an 82599 errata that UDP frames with a zero checksum are > > > incorrectly marked as checksum invalid by the hardware. This was > > > leading to misleading PKT_RX_L4_CKSUM_BAD flag. > > > > > > This patch changes the bad UDP checksum to PKT_RX_L4_CKSUM_UNKNOWN, > > > so the software application will then have to recompute the checksum > > > itself if needed. > > > > > > Bugzilla ID: 629 > > > Fixes: af75078fece3 ("first public release") > > > Cc: [email protected] > > > > > > Reported-by: Paolo Valerio <[email protected]> > > > Signed-off-by: Haiyue Wang <[email protected]> > > > > There was a previous mention of this issue in the past and it resulted > > in dropping part of the hw statistics. > > https://git.dpdk.org/dpdk/commit/?id=256ff05a9cae7484e2197cde4401dfa1f21d5a6f > > > > Does it make sense to restrict this "fix" to 82599 only?
Make sense. > > ping. > > > -- > David Marchand
