From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Harry van Haaren <harry.van.haaren@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] ixgbe: remove l3_l4_xsum_errors from rx errors
Date: Wed, 04 Nov 2015 17:08:26 +0100 [thread overview]
Message-ID: <3719124.DH6p50L0ak@xps13> (raw)
In-Reply-To: <1446652230-10009-1-git-send-email-harry.van.haaren@intel.com>
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?
next prev parent reply other threads:[~2015-11-04 16:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-21 8:38 [dpdk-dev] ixgbe: ierrors counter spuriously increasing in DPDK 2.1 Martin Weiser
2015-10-21 15:53 ` Andriy Berestovskyy
2015-10-22 7:46 ` Martin Weiser
2015-10-22 10:56 ` Andriy Berestovskyy
2015-11-02 17:32 ` Van Haaren, Harry
2015-11-04 9:10 ` Martin Weiser
2015-11-04 15:50 ` [dpdk-dev] [PATCH] ixgbe: remove l3_l4_xsum_errors from rx errors Harry van Haaren
2015-11-04 16:08 ` Thomas Monjalon [this message]
2015-11-04 15:54 ` [dpdk-dev] ixgbe: ierrors counter spuriously increasing in DPDK 2.1 Van Haaren, Harry
2015-11-04 16:29 ` Martin Weiser
2015-11-04 16:14 ` [dpdk-dev] [PATCH v2] ixgbe: remove l3_l4_xsum_errors from rx errors Harry van Haaren
2015-11-04 16:57 ` Thomas Monjalon
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