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In-Reply-To: <20101125234527.GO92881@weongyo>
References: <20101125234527.GO92881@weongyo>
Date: Sun, 28 Nov 2010 18:14:40 +0000
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From: Paul B Mahol <onemda@gmail.com>
To: Weongyo Jeong <weongyo@freebsd.org>, current@freebsd.org
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Cc: 
Subject: Re: [CFR] a small change of ifconfig(8)
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On 11/25/10, Weongyo Jeong <weongyo.jeong@gmail.com> wrote:
> Hello all,
>
> I'm sending this email to check whether my approach is reasonable that I
> added 2 line into ifconfig(8) to skip IFT_USB interfaces as follows:
>
> +		if (sdl != NULL && sdl->sdl_type == IFT_USB)
> +			continue;
>
> And as additionally I added two changes of USB pf to call if_up(ifp) /
> if_down(ifp) explicitly to UP usbus interfaces though normally it always
> should be called through user ioctl calls.
>
> The reason why I make this patch is that I encountered a side-effect
> output from ifconfig(8) after USB packet filter is committed.  Yes usbus
> interfaces are printed.
>
> Please give me some hints whether the patch is reasonable.  If it's
> reasonable, is there other tools which I should make patches?

Currently ifconfig will with special rc.conf configuration "hang" after boot
making multiuser mode impossible to happen.

Perhaps ifconfig tries to do something fancy with usbus interfaces.