From nobody Wed Dec 15 16:15:40 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 7806818D63DE for ; Wed, 15 Dec 2021 16:15:40 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JDgMc1C73z4dB1 for ; Wed, 15 Dec 2021 16:15:40 +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 06DEC1F379 for ; Wed, 15 Dec 2021 16:15:40 +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 1BFGFdjG078105 for ; Wed, 15 Dec 2021 16:15:39 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 1BFGFdpr078104 for bugs@FreeBSD.org; Wed, 15 Dec 2021 16:15:39 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 260260] igb(4) I35{0,4} parrent <--> vlan jumbo frame mtu mismatch Date: Wed, 15 Dec 2021 16:15:40 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-STABLE X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zarychtam@plan-b.pwste.edu.pl X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1639584940; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=L0p7S+52fOGexbNTcQikfuiVJZ5faOTqteEsToqR4xs=; b=bAEyHGmS7lHqvKT+sJudJa8vPQCdLQ4K7+XhKJzGghvZXExJAm5bLX6BjlC/RqicmCF2ag HH7x1HI/Xeffl7SOApq7u8OtFF9AWC3rE0EpHWciQYcKN/qXxyfbjbOh4tMiBoXupmjB5L Gn6KmLPClFDwlA1n17t8pm4hSXOzvUwqtoYqFF93KU7Oee5YcwXOXuSxAuUfqx/AMDBUja hnr6QaWQKUQXCupzh7RMUQd3lQ7Qsfw3CRryKH675jrikkNdoNSHmWd9FUlAAnXQuZvu1i VD6cFLj71nf3hJMOPZuSRpNHKwyJKAutmtGVYABeZThNV4cU1hXTzDTJO1iDYQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1639584940; a=rsa-sha256; cv=none; b=UTwh03D3a33JvPBoCzYUsv+wjXQ0op/quZSAyzXSSZEK5wtCd4C6P7RuFhZuNioKdHs+en O6gB5E6gbVIR6eir2i7zglsrWdh9IcsQQuo9wnBcPN9pzvnq4Dc4sfWbGpuq+Y4y3E3Rwo NOXlCl3i+Hi9xHhbWLUKxQOuwhcWjmUR/WKTrNa+5HTTR8UOxVbGvWTGUf9mXISSzVqbn1 Maai2pQNMc3UZmtKeJSNtmeNsyxiSTKcdE4EZo5UetV1R4uBfeJkB1riNWVTdzbWDN1Zzy 74L+j6fRj3+okZq912FpK0rrxPjsIekXR0Yn6Cp+ar3KYKbwHOnxvPGaHXJR3A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260260 --- Comment #4 from Marek Zarychta --- I was told to update the PR with some em vs igb details, so TL;DR: 1. em(4) works like before with the same MTU 9000 on parent em(4), lagg(4) = and vlan(4) with the options: VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,VLAN_HWFILTER enabled. 2. igb(4) doesn't work this way and with options: VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWFILTER,VLAN_HWTSO enab= led, the size of vlan(4) MTU has to be lowered by 4 bytes to unbreak receiving j= umbo frames. --=20 You are receiving this mail because: You are the assignee for the bug.=