Maybe it's time to add an IFCAP for HWLRO. On Fri, Mar 31, 2017 at 7:39 AM, Somayajulu, David <david.somayaj...@cavium.com> wrote: >>> > I know this is not a new topic but a little more descriptive commit-log >>> > would have been nicer. Also, you should update the manpage reflecting >>> > this change. i.e. now it also supports software LRO when h/w LRO is >>> > disabled. >>> Will do. Sorry about that. > Minor correction. Please note that the driver provides the ability to choose > between SoftwareLRO and HW LRO, when LRO is enabled - it is HW LRO by > default. If LRO is turned off via ifconfig, neither Software nor HW LRO is > enabled. > > Cheers > David S. > > -----Original Message----- > From: hiren panchasara [mailto:hi...@strugglingcoder.info] > Sent: Thursday, March 30, 2017 4:12 PM > To: Somayajulu, David <david.somayaj...@cavium.com> > Cc: David C Somayajulu <davi...@freebsd.org>; src-committ...@freebsd.org; > svn-src-...@freebsd.org; svn-src-head@freebsd.org > Subject: Re: svn commit: r316309 - head/sys/dev/qlxgbe > > On 03/30/17 at 11:07P, Somayajulu, David wrote: >> Hi Hiren, >> > I know this is not a new topic but a little more descriptive commit-log >> > would have been nicer. Also, you should update the manpage reflecting this >> > change. i.e. now it also supports software LRO when h/w LRO is disabled. >> Will do. Sorry about that. > > Thanks! >> >> > Do you know of a case where one would want to disable h/w lro and enable >> > s/w lro? I guess where you want to free up nic and make cpu do more work? >> I was under the impression as well, that s/w lro is moot, if h/w lro was >> available, till one costumer asked for it. Not sure what the use case is. > > I thought this idea (like gro in linux) was popular when lro in h/w was > considered buggy and couldn't correctly do batching (i.e. hide useful flags). > Not sure if that's still the case. > > cheers, > Hiren > _______________________________________________ > svn-src-...@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/svn-src-all > To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
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