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? -- David Marchand
