From owner-freebsd-mobile  Thu Apr 13 18:42:24 2000
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	Thu, 13 Apr 2000 21:41:50 -0400 (EDT)
Date: Thu, 13 Apr 2000 21:41:49 -0400 (EDT)
From: Jim Flowers <jflowers@ezo.net>
To: Nick Sayer <nsayer@quack.kfu.com>
Cc: freebsd-hackers@FreeBSD.ORG, freebsd-mobile@FreeBSD.ORG,
	adam@ezo.net
Subject: Re: RFC: if_wi.c bridging patch
In-Reply-To: <200004132355.QAA70429@medusa.kfu.com>
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We were unable to get a wi configured on 4.0 release yesterday but it may 
be that we didn't have the time to check out the configuration fully.  
Was never recognized on boot-up.  We've got a few more to get configured 
over the next week so we'll put your patch in and try again.

Jim Flowers <jflowers@ezo.net>
#4 ISP on C|NET, #1 in Ohio

On Thu, 13 Apr 2000, Nick Sayer wrote:

> 
> I have had some wi cards for a while, and while I have managed to get
> an Airport to work (a friend helped me out), I believe that adding wi
> to the list of bridge compatible interfaces may be helpful.
> 
> According to the documentation, the IBSS mode of the driver doesn't
> work. That's too bad, as in combination with this patch, you could
> make your own "airport" this way. IBSS is desirable because it allows
> power management mode to work on the BSS client machines. C'est la
> guerre.
> 
> I don't have a wi in a position that is comfortable for me to test.
> But if someone can verify that this works, I will commit it.
> 
> This is relative to RELENG_4.
> 
> --- if_wi.c.orig	Thu Apr 13 16:36:37 2000
> +++ if_wi.c	Thu Apr 13 16:48:53 2000
> @@ -102,6 +102,10 @@
>  
>  #include <net/bpf.h>
>  
> +#ifdef BRIDGE
> +#include <net/bridge.h>
> +#endif
> +
>  #include <machine/if_wavelan_ieee.h>
>  #include <i386/isa/if_wireg.h>
>  
> @@ -425,8 +429,31 @@
>  	ifp->if_ipackets++;
>  
>  	/* Handle BPF listeners. */
> -	if (ifp->if_bpf) {
> +	if (ifp->if_bpf)
>  		bpf_mtap(ifp, m);
> +
> +#ifdef BRIDGE
> +	if (do_bridge) {
> +		struct ifnet *bdg_ifp;
> +		bdg_ifp = bridge_in(m);
> +		if (bdg_ifp == BDG_DROP) {
> +			if (m)
> +				m_free(m);
> +			return; /* and drop */
> +		}
> +		if (bdg_ifp != BDG_LOCAL)
> +			bdg_forward(&m, bdg_ifp);
> +		if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST &&
> +			bdg_ifp != BDG_MCAST) {
> +			if (m)
> +				m_free(m);
> +			return; /* and drop */
> +		}
> +		/* all others accepted locally */
> +	}
> +	else
> +#endif
> +	{
>  		if (ifp->if_flags & IFF_PROMISC &&
>  		    (bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr,
>  		    ETHER_ADDR_LEN) && (eh->ether_dhost[0] & 1) == 0)) {
> 
> 
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