From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH net-next 0/2 V3] Xen network: split event channels support Date: Wed, 22 May 2013 17:34:44 +0100 Message-ID: <1369240487-18834-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , Wei Liu To: , Return-path: Received: from smtp02.citrix.com ([66.165.176.63]:39946 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754399Ab3EVQet (ORCPT ); Wed, 22 May 2013 12:34:49 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This series adds a new feature called split event channels. In the original implementation, only one event channel is setup between frontend and backend. This is not ideal as TX notification interferes with RX notification. Using dedicated event channels for TX and RX solves this issue. Changes since V2: * feature_split_event_channels -> separate_tx_rx_irq * make separate_tx_rx_irq bool * document this feature in header file * don't report fatal if writing feature to xenstore fails * frontend will fall back to single event channel if new feature setup fails Changes since V1: * change subject lines of commits to be more specific * add parameter feature_split_event_channels for xen-netback * remove two dev_info Wei Liu (3): xen-netback: split event channels support for Xen backend driver xen-netfront: split event channels support for Xen frontend driver xen: netif.h: document feature-split-event-channels drivers/net/xen-netback/common.h | 13 ++- drivers/net/xen-netback/interface.c | 85 ++++++++++++++--- drivers/net/xen-netback/netback.c | 14 ++- drivers/net/xen-netback/xenbus.c | 41 ++++++-- drivers/net/xen-netfront.c | 178 +++++++++++++++++++++++++++++------ include/xen/interface/io/netif.h | 12 +++ 6 files changed, 285 insertions(+), 58 deletions(-) -- 1.7.10.4