From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: How do queue-less virtual devices wake higher level senders? Date: Mon, 01 Oct 2007 17:04:10 -0700 (PDT) Message-ID: <20071001.170410.40806513.davem@davemloft.net> References: <47018772.4060803@candelatech.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: greearb@candelatech.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:40733 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751770AbXJBAEL (ORCPT ); Mon, 1 Oct 2007 20:04:11 -0400 In-Reply-To: <47018772.4060803@candelatech.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Ben Greear Date: Mon, 01 Oct 2007 16:49:06 -0700 > For 'real' hardware, it seems that the netif_stop_queue and > netif_wake_queue methods handle stopping and waking the > higher level senders, but for virtual devices with no > queues, how does this work? They don't queue, there is nothing to stop or wakeup.