Re: PPP feature request (Tx queue len + close)

From: Jean Tourrilhes (jt@bougret.hpl.hp.com)
Date: Mon Mar 04 2002 - 20:01:01 EST


On Tue, Mar 05, 2002 at 12:55:51AM -0000, James Stevenson wrote:
> > Tx queue length
> > ---------------
> > Problem : IrDA does its buffering (IrTTP is a sliding window
> > protocol). PPP does its buffering (1 packet in ppp_generic +
> > dev->tx_queue_len = 3). End result : a large number of packets queued
> > for transmissions, which result in some network performance issues.
> >
> > Solution : could we allow the PPP channel to overwrite
> > dev->tx_queue_len ?
> > This is similar to the channel beeing able to set the MTUs and
> > other parameters...
>
> somebody please correct me if i am wrong but if the
> txqueuelen not set from userspace from
> ifconfig ?

linux/drivers/net/ppp_generic.c, line 888, ppp_net_init()
------------------------
        dev->tx_queue_len = 3;
------------------------

        Jean
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