08/02/2021 10:07, Feifei Wang: > 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. > > To fix it for the NEON path in Arm platform, change the bad UDP checksum to > unknown, and then let software application to recompute the checksum. > > This patch depends on: > http://patches.dpdk.org/patch/87750/ > > NICs: 82599(igb) > Driver: ixgbe(vector) > Architecture: arm64 > $:./app/dpdk-testpmd -c 0x3 -w 0002:f9:00.0 -- -i > --port-topology=chained --enable-rx-cksum > test-pmd> set fwd rxonly > test-pmd> set verbose 1 > test-pmd> start > > 1. UDP Test: > Package: (Ether()/IP()/UDP(checksum=0) > ol_flags: PKT_RX_L4_CKSUM_UNKNOWN PKT_RX_IP_CKSUM_GOOD > > 2. TCP Test: > Package: (Ether()/IP()/TCP(checksum=0) > ol_flags: PKT_RX_L4_CKSUM_BAD PKT_RX_IP_CKSUM_GOOD > > Bugzilla ID: 629 > Fixes: af75078fece3 ("first public release") > Cc: sta...@dpdk.org > > Reported-by: Paolo Valerio <pvale...@redhat.com> > Signed-off-by: Feifei Wang <feifei.wa...@arm.com> > Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.com>
I wonder why the patch for SSE Rx is applied in next-net-intel while this one for NEON Rx is ignored. Either I merge both or none. I'll go with both. Applied, thanks.
