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Wed, 11 Jul 2018 14:58:24 +0000 From: "Eggert, Lars" To: "np@FreeBSD.org" CC: "freebsd-net@freebsd.org" , Giuseppe Lettieri Subject: Re: netmap & chelsio Thread-Topic: netmap & chelsio Thread-Index: AQHUFHIu6gR6TPNxhkmYOpx9+YLSkqSAxfoAgAD5+4CAAAn+gIAIXGKA Date: Wed, 11 Jul 2018 14:58:23 +0000 Message-ID: <30D2A259-6B2E-44CA-969D-F51F4D929DDE@netapp.com> References: <94019926-B14F-47AB-8AD9-C01B4A0E199F@netapp.com> <20180705154710.GA3353@ox> <0199F257-F9D2-41D0-B4F9-26FBA1607F61@netapp.com> <20180706071739.GA13401@ox> In-Reply-To: <20180706071739.GA13401@ox> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.9.1) authentication-results: spf=none (sender IP is ) smtp.mailfrom=lars@netapp.com; x-originating-ip: [217.70.211.15] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; CY4PR06MB3448; 7:wl+LppSRXm5TmeO45Zgv4VmW7DyYFNI9aJErXQigOPtWjEEtTVkhChNHKT2vy2U7kHmhxUefGfwBt6rU+7XU21w1AraP2jozJ1Ko+uB6PmZnRgdC/15hhia2YybEJkJicGhK2xs921uUSdTMsKJVgj3dw6WyEQsebSnxf5GRQ7ArCqMFbqBtZ/09rsgo+i76kKj9+8WNskG9WNGVeh1hax1QbYiZW6b8h9OIkw+fRNUQgIgO97C+csGoxu3ZKjp9 x-ms-exchange-antispam-srfa-diagnostics: SOS; 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charset=us-ascii Hi, I have netmap working with the T6 cards now. However, performance is very poor. It seems to take several milliseconds = after a NIOCTXSYNC ioctl before the tail is updated? In case it matters, here is what is in loader.conf: hw.cxgbe.num_vis=3D2 hw.cxgbe.fl_pktshift=3D0 hw.cxgbe.ntxq=3D1 hw.cxgbe.nrxq=3D1 hw.cxgbe.qsize_txq=3D512 hw.cxgbe.qsize_rxq=3D512 hw.cxgbe.cong_drop=3D1 hw.cxgbe.pause_settings=3D1 hw.cxgbe.autoneg=3D0 hw.cxgbe.nm_rx_nframes=3D1 hw.cxgbe.nm_rx_ndesc=3D1 Lars --Apple-Mail=_91438CEC-F202-4A0E-A7C5-0A96963EAB9F Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEmpq0ZpSoejRmyhheVLXDCb9wwVcFAltGGw8ACgkQVLXDCb9w wVfO4w/9GtwBdc3B45ShRyecErfzWyYsMc+Y6ESsSMAN5PRVaPzW1nKru8CFkDIx z1uxBTbQoktxkoMSBpqKLCZu2Pdz7D80qPg3WLl9F1q1mFKOUS6JdaeTirGdOfKG 5tP2/rMfb+ac9McbK8qmXM7xgG2pH4hoiEpRldaronz8XZH3FirNKtL1ayxtlga4 67WS7BQ8o2PglcN8QMVziG7k0hlcFXFxMrsVEDhkV/tu9SUR60el0zNc2vlH6MwI UvOtDnJywMDfyKX4+ejz05JHnpbAX9Wrw0iDDd/aiMSDnMFVtkdSP4FzTy5K4aW6 Mqj4WA35+HM4b2wZyz08mThFlzM7kvnj42EPhra2SCEl7a/SO0O45Nsj9VJQtTpL dPxXHMjZAeHAz2vBbuR6kHrpplpQKvgWc4lPqGL7+/Dv/8wYi8XSvkvsVv8qWfPN J/2iC3qZwRyrgcj46qsnnqALRs/bR7HTqaPvVzLo8KoN+t2g9mAk8ngSfOKA8Lvi sXT06OQj98yErWo5uRMevcX9ZJHnob4iVoTiBUvIRVUXTwNYBKgWGnzYhpTSFaUt EmSW1MIeVG+yCe8N8hc+z1kx5UWuFzx97Q4HqDvHb9n1IYGDkI70Jb7VKqvnR7xn d20EO8LKS9A1f43DOzC/V9mAiVEQ7A2y+qdpgZUBOlsUAYLt9fQ= =rwOB -----END PGP SIGNATURE----- --Apple-Mail=_91438CEC-F202-4A0E-A7C5-0A96963EAB9F--