From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1406] "net/ice" and "net/i40e" have not implemented outer UDP checksum offload, but the capability flag has been set.
Date: Fri, 22 Mar 2024 10:30:37 +0000 [thread overview]
Message-ID: <bug-1406-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1406
Bug ID: 1406
Summary: "net/ice" and "net/i40e" have not implemented outer
UDP checksum offload, but the capability flag has been
set.
Product: DPDK
Version: 23.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: junwang01@cestc.cn
Target Milestone: ---
As shown in [1],a geneve packet with TSO request is transmitted, and resulting
packets mismatch because of the wrong checksum in the outer UDP header (it is
the same as the one in the original superframe). However, since the test sees
capability bit TX_OFFLOAD_OUTER_UDP_CKSUM in device info, the checksum is
expected to be offloaded.
Both X710 and E810 encounter the same issue. Upon reviewing the unloading
portion of the code, it's evident that only adding capabilities without
unloading part of the code was implemented.
[1] https://github.com/openvswitch/ovs-issues/issues/321
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