Date: Mon, 8 Aug 2016 21:40:15 +0000 From: Sreekanth Rupavatharam <rupavath@juniper.net> To: Sean Bruno <sbruno@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Jack Vogel <jfvogel@gmail.com> Subject: Re: Question about em_irq_fast Message-ID: <523AA4A9-BBF0-40D2-A98E-6C608AC1C11F@juniper.net> In-Reply-To: <07f2b16a-8764-48c6-ebd4-1d6d2ce44442@freebsd.org> References: <C1288B46-4477-4972-92FA-F6910B3FA568@juniper.net> <6dd67a05-d484-593f-98f2-60a062c0daa3@freebsd.org> <135A343D-5624-404F-8A18-94744395E5C4@juniper.net> <07f2b16a-8764-48c6-ebd4-1d6d2ce44442@freebsd.org>
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Quite possibly, but my question remains. If the register doesn’t have any specific value for just a received packet(no other events), how is a value of 0 considered to be wrong? Or to flip the question around, what should be the value of the register for just receive of a packet?
Thanks,
-Sreekanth
On 8/8/16, 2:02 PM, "Sean Bruno" <sbruno@freebsd.org> wrote:
It sounds like QEMU is spamming packets and interrupts incorrectly as
normal hardware doesn't have this issue.
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