Date: Sat, 23 Jan 2016 07:29:38 -0800 From: Adrian Chadd <adrian.chadd@gmail.com> To: Marcus Cenzatti <cenzatti@hush.com> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: Chelsio T520-SO-CR low performance (netmap tested) for RX Message-ID: <CAJ-VmokjYAikY%2B2OJAXVgCr3n7pS_1Z30qb4gBPfL4fBTJNQEg@mail.gmail.com> In-Reply-To: <20160123053428.2091EA0121@smtp.hushmail.com> References: <20160123053428.2091EA0121@smtp.hushmail.com>
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What are you doing for RX? More netmap? Or the normal stack? -a On 22 January 2016 at 21:34, Marcus Cenzatti <cenzatti@hush.com> wrote: > hello, > > I am testing a chelsio t520-so-cr connected to a Intel card with ix(4) driver, I can get the ncxl0 interface to transmit at 14Mpps to another chelsio or to a Intel card. However I can only get 800Kpps-1Mpps for RX tests from both chelsio or Intel. > > I have test with both FreeBSD 11 and FreeBSD 10.3-PRERELEASE. > > I tested it untuned first and later I have applied tuning recommendations I found on BSDRP[1] website. Results still ranging from 800Kpps to 1Mpps for RX. > > Tests are done w/ with pkt-gen in netmap mode on ncxl interface with both IP address and MAC address source/dest. > > I have tested ix-ix and I can confirm 14Mpps for both RX and TX directions. I have tested with two different chelsio T520 and both have the very same results. > > What particular loader/sysctl or ifconfig options I should investigate? > > I also tested disabling txcsum, rxcsum and TSO. Results are different but still on the much lower mentioned 800K-1M pps rate. > > thank you > > [1]http://bsdrp.net/documentation/examples/forwarding_performance_lab_of_a_hp_proliant_dl360p_gen8_with_10-gigabit_with_10-gigabit_chelsio_t540-cr > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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