[dpdk-dev] [dpdk-stable] [PATCH v3] net/ixgbe: fix UDP zero checksum error
david.marchand at redhat.com
Thu Feb 25 11:54:41 CET 2021
On Thu, Feb 4, 2021 at 3:56 PM Haiyue Wang <haiyue.wang at intel.com> 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: stable at dpdk.org
> Reported-by: Paolo Valerio <pvalerio at redhat.com>
> Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
There was a previous mention of this issue in the past and it resulted
in dropping part of the hw statistics.
Does it make sense to restrict this "fix" to 82599 only?
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