[dpdk-dev] [PATCH] ixgbe: remove l3_l4_xsum_errors from rx errors

Thomas Monjalon thomas.monjalon at 6wind.com
Wed Nov 4 17:08:26 CET 2015


2015-11-04 15:50, Harry van Haaren:
> This patch removes l3_l4_xsum_errors from rx errors.
> 
> The reason to remove it is that UDP packets have an optional checksum, and
> when not calculated the checksum field should be set to zero. When the
> checksum is not calculated (zero-ed out), the hardware still counts a valid
> UDP packet as an l3_l4_xsum_error.
> 
> This hardware issue is documented in 82599 errata, titled:
> "Integrity Error Reported for IPv4/UDP Packets with Zero Checksum"

Please Harry, could you add a Fixes tag to track the origin of the bug?



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