Date: Fri, 1 May 2015 10:32:00 -0700 From: Navdeep Parhar <nparhar@gmail.com> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Gleb Smirnoff <glebius@FreeBSD.org>, John Baldwin <jhb@freebsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r282280 - in head/sys/dev: e1000 ixgbe ixl Message-ID: <20150501173200.GA2869@nparhar-pc> In-Reply-To: <20150501163108.GZ1394@zxy.spb.ru> References: <201504301823.t3UINd74073186@svn.freebsd.org> <20150430232736.GB546@FreeBSD.org> <1998053.shmPH6saZj@ralph.baldwin.cx> <20150501135134.GC546@FreeBSD.org> <20150501163108.GZ1394@zxy.spb.ru>
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On Fri, May 01, 2015 at 07:31:08PM +0300, Slawa Olhovchenkov wrote: > On Fri, May 01, 2015 at 04:51:34PM +0300, Gleb Smirnoff wrote: ... > > > > However, if we don't expect the number of queues to exceed a reasonable > > number of 255 :), we can fit the functionality into existing API. > > We can keep the queue number in the highest 8 bits of the ift_counter > > parameter. > > In case of hardware-assist NIC emulation numbers may be rise: x710 > have 1536 queue per port. I agree that 255 is pretty low. cxgbe(4) hardware also supports more queues than this already (it supports 1K rx queues and 64K tx queues). Regards, Navdeep
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