Date: Thu, 25 May 2017 19:58:52 +0200 From: Harry Schmalzbauer <freebsd@omnilan.de> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Is "-vlanhwcsum" without effect? [Was: Re: if_igb(4) VLAN(4) and [RT]XCSUM_IPV6, TSO6 Message-ID: <59271B5C.7020306@omnilan.de> In-Reply-To: <58E641B8.5050108@omnilan.de> References: <58CAD8CB.3060101@omnilan.de> <283742a4-5314-eef3-ed53-958a1f6e7492@yandex.ru> <58E641B8.5050108@omnilan.de>
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Bezüglich Harry Schmalzbauer's Nachricht vom 06.04.2017 15:25 (localtime): > Bezüglich Andrey V. Elsukov's Nachricht vom 06.04.2017 14:56 (localtime): >> On 16.03.2017 21:26, Harry Schmalzbauer wrote: >>> Hello, >>> >>> I'm wondering if I really loose [RT]XCSUM_IPV6 on if_igb(4) vlan(4) >>> children. >>> My igb0 (Kawela, aka 82576) options end with >>> "TSO6,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6" >>> >>> The vlan(4) filtered interfaces show these: >>> options=303<RXCSUM,TXCSUM,TSO4,TSO6> >>> >>> So TSO6 is inherited, but RC/TXCSUM_IPV6 dropped? >> Can you test the attached patch? > Great, thanks for your explanation and the patch. Unfortunately I won't > be able to test before weekend. Will report asap. Hello, thank you for your fix, which made it into stable/11 in the meantime, where I can confirm it does work. But I noticed a possibly related oddity: Setting "-vlanhwcsum" seems to have no effect, at least ifconfig(8) reports always 'VLAN_HWCSUM'. Haven't done any further tests, maybe your eye-brain-connection find the answer quicker than any test I can do. thanks, -harry
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