From owner-freebsd-net@freebsd.org Mon Aug 8 21:02:35 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8E6FBBB3B29 for ; Mon, 8 Aug 2016 21:02:35 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 671D81DE7 for ; Mon, 8 Aug 2016 21:02:34 +0000 (UTC) (envelope-from sbruno@freebsd.org) Received: from [10.254.204.154] (67-0-69-155.albq.qwest.net [67.0.69.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id 8AB8A1928CE; Mon, 8 Aug 2016 21:02:33 +0000 (UTC) Subject: Re: Question about em_irq_fast To: Sreekanth Rupavatharam References: <6dd67a05-d484-593f-98f2-60a062c0daa3@freebsd.org> <135A343D-5624-404F-8A18-94744395E5C4@juniper.net> Cc: "freebsd-net@freebsd.org" , Jack Vogel From: Sean Bruno Message-ID: <07f2b16a-8764-48c6-ebd4-1d6d2ce44442@freebsd.org> Date: Mon, 8 Aug 2016 15:02:33 -0600 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <135A343D-5624-404F-8A18-94744395E5C4@juniper.net> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Hemf9u0x2Ke4KgnsMF1HfOuWKvH64owOA" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Aug 2016 21:02:35 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Hemf9u0x2Ke4KgnsMF1HfOuWKvH64owOA Content-Type: multipart/mixed; boundary="GwH2uGBks8WIpW6IJTnbROj7JpCNs7Nca" From: Sean Bruno To: Sreekanth Rupavatharam Cc: "freebsd-net@freebsd.org" , Jack Vogel Message-ID: <07f2b16a-8764-48c6-ebd4-1d6d2ce44442@freebsd.org> Subject: Re: Question about em_irq_fast References: <6dd67a05-d484-593f-98f2-60a062c0daa3@freebsd.org> <135A343D-5624-404F-8A18-94744395E5C4@juniper.net> In-Reply-To: <135A343D-5624-404F-8A18-94744395E5C4@juniper.net> --GwH2uGBks8WIpW6IJTnbROj7JpCNs7Nca Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 08/08/16 13:14, Sreekanth Rupavatharam wrote: >=20 >=20 > Thanks, >=20 > -Sreekanth >=20 >> On Aug 8, 2016, at 12:09 PM, Sean Bruno wrote: >> >> Is this with the "lem" driver or the "em" driver under QEMU? >> > It's for lem driver under qemu. My question is mainly about there being= no specific bit for a packet received in this register or am I missing s= omething here? >=20 >> Look for "legacy" in the boot output of your VM. >> >> sean >> >=20 It sounds like QEMU is spamming packets and interrupts incorrectly as normal hardware doesn't have this issue. sean --GwH2uGBks8WIpW6IJTnbROj7JpCNs7Nca-- --Hemf9u0x2Ke4KgnsMF1HfOuWKvH64owOA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJXqPNpXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5k7gkIAJovYzmAjNCzDugpPoHxCiQB H+PpIQWVFAKXpwupfu2VTvVs/j7KLPzGSIirkLbq3WDZTAXMbwdvk/y54VEhg0kS T8NBAi7W/kCCHQU8YhFArmA5dVEHwWDrjkCigydD+EFApafLl0/NuRsu/PDRWbze XeiUQMDCc1DZ6RDmqLqY98TY4XXW5zK5r8MJbAkyZN6saoouNzlKfIta48Xx04i5 9KXF6gMFrljFYnC42qgAFokZABXNISqINvi8DWxq7mFdMn3euQq9P/ORJOoPbkP9 6hq/58lSZsMQ0F2xhUjuIj0oOuuJvfyi5Jr/NHHMF3yweWk4YTPCMlXVjAtPGzg= =+Mcc -----END PGP SIGNATURE----- --Hemf9u0x2Ke4KgnsMF1HfOuWKvH64owOA--