From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/core Bug 2048] Broadcom BCM57608 Ethernet 100Gb 2-port QSFP112 Adapter - SRIOV on VM Perf Degrade in 26.07 for large packets(1280 and 1518 byte). - 85% instead of 100% line rate
Date: Tue, 29 Sep 2026 08:37:34 +0000 [thread overview]
Message-ID: <bug-2048-3@https.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=2048
Bug ID: 2048
Summary: Broadcom BCM57608 Ethernet 100Gb 2-port QSFP112
Adapter - SRIOV on VM Perf Degrade in 26.07 for large
packets(1280 and 1518 byte). - 85% instead of 100%
line rate
Product: DPDK
Version: 26.07
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: sandeepr@hpe.com
Target Milestone: ---
Created attachment 403
--> https://bugs.dpdk.org/attachment.cgi?id=403&action=edit
26.07_large_pkt_test_data.jpg
While validating https://bugs.dpdk.org/show_bug.cgi?id=1931, observed a new
issue in 26.07, where 1280b and 1518b frames performance has degraded.
Filing a new bug for the same.
Test setup [hardware and software], steps to reproduce, is the same as
used/mentioned in 1931.
Test data attached: 26.07_large_pkt_test_data.jpg
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