Date: Thu, 27 Nov 2008 11:43:32 -0800 From: "Jack Vogel" <jfvogel@gmail.com> To: "Robert Watson" <rwatson@freebsd.org> Cc: jfv@freebsd.org, freebsd-hackers@freebsd.org, Yony Yossef <yonyossef.lists@gmail.com>, freebsd-net@freebsd.org Subject: Re: IFCAP_LRO on FreeBSD 7 Message-ID: <2a41acea0811271143q25f83e89i4df2791052a980ac@mail.gmail.com> In-Reply-To: <alpine.BSF.1.10.0811271245410.48810@fledge.watson.org> References: <20def4870811270441n6b201076k715e1c7e1adc8781@mail.gmail.com> <alpine.BSF.1.10.0811271245410.48810@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Nov 27, 2008 at 4:51 AM, Robert Watson <rwatson@freebsd.org> wrote: > > On Thu, 27 Nov 2008, Yony Yossef wrote: > > Is there a native interface for LRO in FreeBSD 7? I can't find any use for >> IFCAP_LRO but notifying the driver if to use or not to use this offload. >> >> If not, is it planned for FreeBSD 8? >> > > IFCAP_LRO is a capability/policy flag allowing drivers to declare support > for LRO, and for administrators to enable/disable it if present. Drivers > can either provide their own implementation (mxge, nxge) or use the system > implementation (cxgb, igb). I'm slightly surprised to see that igb > references tcp_lro_init() but not IFCAP_LRO -- perhaps lro isn't yet fully > hooked up, or perhaps there's a bug? I believe all of the above applies to > 7.1 but not 7.0, except possibly mxge supporting LRO in 7.0. > Been so busy internally that I did not even realize that this capability had been created, I need to change both igb and ixgbe to use it. Thanks for pointing this out, Jack
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?2a41acea0811271143q25f83e89i4df2791052a980ac>