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Date: Mon, 30 Dec 1996 16:06:14 -0800
From: Julian Elischer <julian@whistle.com>
Organization: Whistle Communications
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To: Julian Assange <proff@iq.org>
CC: hackers@freebsd.org, archie@alpo.whistle.com
Subject: Re: divert code not thread/smp compatible
References: <199612301928.GAA29162@profane.iq.org>
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Julian Assange wrote:

I agree.. this should be changed..
I'll point it out to archie..
he shouldbe back tomorrow.

thanks.
julian (E)

> 
> /*
>  * ip_input() and ip_output() set this secret value before calling us to
>  * let us know which divert port to divert a packet to; this is done so
>  * we can use the existing prototype for struct protosw's pr_input().
>  * This is stored in host order.
>  */
> u_short ip_divert_port;
> 
> /*
>  * We set this value to a non-zero port number when we want the call to
>  * ip_fw_chk() in ip_input() or ip_output() to ignore ``divert <port>''
>  * chain entries. This is stored in host order.
>  */
> u_short ip_divert_ignore;
> 
> Is this an acceptable trick in the FreeBSD kernel, passing parameters
> with global variables?
> 
> -Julian <proff@iq.org>