On 8 January 2016 at 07:59, Ravi Pokala <rpok...@mac.com> wrote: > -----Original Message----- > > >>Date: Fri, 8 Jan 2016 02:29:22 +0000 >>From: "sepherosa_gmail.com (Sepherosa Ziehau)" >> <phabric-nore...@freebsd.org> >>To: freebsd-net@freebsd.org >>Subject: [Differential] [Request, 6 lines] D4825: tcp/lro: Add network >> driver configurable LRO entry depth >>Message-ID: >> <differential-rev-phid-drev-ou2jiti5cx3pzqhm5pb2-...@freebsd.org> >>Content-Type: text/plain; charset="utf-8" >> >>sepherosa_gmail.com created this revision. >>sepherosa_gmail.com added reviewers: network, adrian, delphij, >>decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com, glebius. >>sepherosa_gmail.com added a subscriber: freebsd-net-list. >>Herald added a reviewer: transport. >> >>REVISION SUMMARY >> When there is only tiny amount of TCP connections and the host is slow, >> e.g. in VM, holding too much TCP segments in an LRO entry will cause RX >> performance degradation. We now allow network drivers to configure how deep >> one LRO entry should be. > > Forgive me if I'm missing something obvious, but this patch doesn't actually > change anything - rather than hard-coding 65535, you're using > lc->lro_hiwat... which is hard-coded to 65535. > > Right? >
Right; I'm assuming their driver will twiddle this appropriately over time. -a > -Ravi (rpokala@) > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
