Date: Fri, 12 Jun 2009 18:35:37 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Navdeep Parhar <np@FreeBSD.org> Cc: Pyun YongHyeon <pyunyh@gmail.com>, FreeBSD net mailing list <freebsd-net@freebsd.org>, "George V. Neville-Neil" <gnn@freebsd.org>, Michael Tuexen <tuexen@freebsd.org>, Andrew Thompson <thompsa@freebsd.org>, Jack F Vogel <jfv@freebsd.org>, Andrew Gallatin <gallatin@freebsd.org>, Pyun YongHyeon <yongari@freebsd.org> Subject: Re: Ethernet NIC drivers depending unconditionally on INET Message-ID: <20090612183349.B22887@maildrop.int.zabbadoz.net> In-Reply-To: <20090612182404.GA20035@hub.freebsd.org> References: <20090611184555.J22887@maildrop.int.zabbadoz.net> <20090612013406.GB72855@michelle.cdnetworks.co.kr> <20090612100900.M22887@maildrop.int.zabbadoz.net> <20090612170703.GA994@hub.freebsd.org> <20090612173728.B22887@maildrop.int.zabbadoz.net> <20090612182404.GA20035@hub.freebsd.org>
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On Fri, 12 Jun 2009, Navdeep Parhar wrote: Hi, >>> cxgb(4) >>> will not let you enable IFCAP_TSO6 on the interface. It has always >>> been disallowed as far as I can tell. >> >> Yes, you have it in the logic bu you define it to 0;) >> #define IFCAP_TSO6 0x0 > > Not quite. TSO_SUPPORTED is defined and so cxgb(4) picks up the > right values of IFCAP_TSO4 and IFCAP_TSO6. It's just that IFCAP_TSO6 > is not in the enabled-by-default capabilities (CXGB_CAP_ENABLE), and > cxgb_ioctl will not let you enable IFCAP_TSO6. > > cxgb's silicon supports TSO+IPv6, so I'm not sure why things are the > way they are. If the stack's tso6 works, then this is a bug in > cxgb. Oki, I think once this all has settled we'll be able to text it on cxgb as well; let us get the infrastructure shaken out first. /bz -- Bjoern A. Zeeb The greatest risk is not taking one.
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