From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id F055DFF8861 for ; Mon, 27 Apr 2026 08:11:07 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 2DAE2402E1; Mon, 27 Apr 2026 10:11:07 +0200 (CEST) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id 12B994029F for ; Mon, 27 Apr 2026 10:11:06 +0200 (CEST) Received: by inbox.dpdk.org (Postfix, from userid 33) id 0362B4B0B5; Mon, 27 Apr 2026 10:11:06 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/ethdev Bug 1938] The NIC's imissed counter increments when the x710 VF uses dpdk-l2fwd for data forwarding. Date: Mon, 27 Apr 2026 08:11:05 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: ethdev X-Bugzilla-Version: 24.11 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: laitianli2000@163.com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org http://bugs.dpdk.org/show_bug.cgi?id=3D1938 Bug ID: 1938 Summary: The NIC's imissed counter increments when the x710 VF uses dpdk-l2fwd for data forwarding. Product: DPDK Version: 24.11 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: Normal Component: ethdev Assignee: dev@dpdk.org Reporter: laitianli2000@163.com Target Milestone: --- With the i40e driver (v2.18.9, firmware 0x8000c407 1.3295.0) and DPDK v24.11.5-rc1, aarch64 and ubuntu2204 system, when dpdk-l2fwd takes over the= VF for forwarding, injecting 500 Mbps of UDP traffic via pktgen results in an incrementing imissed counter retrieved via rte_eth_stats_get().=20 Port statistics =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Statistics for port 0 ------------------------------ Packets sent: 6784279 Packets received: 6784279 Packets dropped: 0 ipackets: 6784279 opackets: 6784279 ibytes:=20= =20=20=20=20=20 9474046884 obytes: 9470853484 imissed: 2281 ierrors: 0 oerrors:=20= =20=20=20=20=20=20=20 0 Aggregate statistics =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Total packets sent: 6784279 Total packets received: 6784279 Total packets dropped: 0 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D Port statistics =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Statistics for port 0 ------------------------------ Packets sent: 7223135 Packets received: 7223135 Packets dropped: 0 ipackets: 7223135 opackets: 7223135 ibytes:=20= =20=20=20=20 10087126660 obytes: 10083496460 imissed: 2593 ierrors: 0 oerrors:=20= =20=20=20=20=20=20 0 Aggregate statistics =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Total packets sent: 7223135 Total packets received: 7223135 Total packets dropped: 0 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D --=20 You are receiving this mail because: You are the assignee for the bug.=