Date: Tue, 19 Aug 1997 11:31:09 -0700 From: Julian Elischer <julian@whistle.com> To: ETX-B-SL Martti Kuparinen <erakupa@kk.etx.ericsson.se> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: poll() for ethernet devices Message-ID: <33F9E66D.64880EEB@whistle.com> References: <199708191456.QAA12485@kk662.kk.etx.ericsson.se>
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ETX-B-SL Martti Kuparinen wrote: > > Hello all, > > I am running FreeBSD 2.2.2 on a PPro 200 MHz PC. I have created a > loadable kernel module which will schedule IP-packets on user-defineable > interfaces and priorities. But it doesn't work correctly now :-( > > What I want to do in the general ether_output() is basically this: > > prioritize packets incoming or outgoing? > check if there's more packets to read <-----------+ read from where > if yes | > read the next packet and insert into queue | usually you start output on the first packet and on subsequent ones only if output has stopped. > else | > start output | > | > How can I check if there are packets to read in some/all interfaces and do you mean incoming packets? ether_output is called directly by th euser code or by ip_output in the case of routing, so there are no more output packets waiting.. I'm not sure what you mean.... > force the kernel to perform the read (and eventually write, which > calls ether_output)? I'm confused. can you try explaining more about what you are trying to achieve? > > Thanks in advance, > > Martti
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