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Date: Wed, 27 Feb 2008 21:15:55 -0500 From: Dan Williams <dcbw@...hat.com> To: Kevin Lloyd <klloyd@...rrawireless.com> Cc: netdev@...r.kernel.org Subject: Re: Network device driver with PPP On Wed, 2008-02-27 at 17:28 -0800, Kevin Lloyd wrote: > Hi all, > > I have a device that is currently supported via a combination of loading the device with usb-serial (drivers/usb/serial/sierra) to expose the serial ports and connecting by manually launching pppd. > I would like to support this device in a network driver as opposed to a serial driver in an effort to offer a seamless always-on device, such as an Ethernet device. > > From what I understand the ppp support in the kernel is only for ppp framing and that all control (e.g., IPCP) is done in user-space via pppd. Are there any network drivers that currently manage the ppp connection (entirely, IPCP included) internally to the driver and expose either a raw ip or ethernet stream to the user-space? That seems quite icky to do all in kernel space and a pile of code running in the kernel. What's so wrong with userspace? Don't you need to push values to the driver like username/password and get IP config out of it (which would involve userspace anyway)? It just seems like there's a different solution to your actual problem here than stuff all off pppd into kernel space. Dan -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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