From owner-freebsd-bugs@freebsd.org Wed Aug 5 23:03:15 2020 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 967B23AB3BE for ; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4BMRxH3Pbwz4MCb for ; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 74A983AB467; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 745CF3AB611 for ; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BMRxH2bcyz4LxZ for ; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3BFE91DB34 for ; Wed, 5 Aug 2020 23:03:15 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 075N3Fkq002927 for ; Wed, 5 Aug 2020 23:03:15 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 075N3FM4002926 for bugs@FreeBSD.org; Wed, 5 Aug 2020 23:03:15 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 248494] if_vmx(4) duplicate packets in netmap mode Date: Wed, 05 Aug 2020 23:03:15 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: murat@balaban.io X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org 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 attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Aug 2020 23:03:15 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D248494 Bug ID: 248494 Summary: if_vmx(4) duplicate packets in netmap mode Product: Base System Version: 12.1-STABLE Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: murat@balaban.io Created attachment 217042 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D217042&action= =3Dedit ICMP DUP packets scp'in a file stalls due to DUP packets if the interface is if_vmx(4); and = it is opened in NETMAP mode, Steps to reproduce: ifconfig vmx0 -vlanhwtso -vlanhwfilter -vlanhwtag -vlanhwcsum -txcsum -rxcs= um -tso4 -tso6 -lro -txcsum6 -rxcsum6 ./bridge -i netmap:vmx0 -i netmap:vmx0^ Copy a file which makes use of the vmx0 interface: scp file root@gw: Connection will stall.=20 Interestingly PINGs seem to be OK until you start scp'in the file. Then they both start getting DUP packets.=20=20 Please see attached PCAP file and the pic. Environment: root@OPNsense:~ # uname -a FreeBSD OPNsense.localdomain 12.1-STABLE FreeBSD 12.1-STABLE #2 677f5a8efda(stable/12)-dirty: Tue Aug 4 14:55:58 PDT 2020=20=20=20=20 root@client_bsd12:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 --=20 You are receiving this mail because: You are the assignee for the bug.=