From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krishna Kumar Subject: [PATCH 1/4] [RFC] netdevice: Introduce per-txq xmit_restart Date: Wed, 04 May 2011 19:33:09 +0530 Message-ID: <20110504140309.14817.61411.sendpatchset@krkumar2.in.ibm.com> References: <20110504140258.14817.66596.sendpatchset@krkumar2.in.ibm.com> Cc: eric.dumazet@gmail.com, kvm@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, rusty@rustcorp.com.au, Krishna Kumar To: davem@davemloft.net Return-path: Received: from e28smtp08.in.ibm.com ([122.248.162.8]:33317 "EHLO e28smtp08.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753438Ab1EDODN (ORCPT ); Wed, 4 May 2011 10:03:13 -0400 In-Reply-To: <20110504140258.14817.66596.sendpatchset@krkumar2.in.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: Add a per-txq field that can (optionally) be set by participating drivers to indicate when to restart tx. Signed-off-by: Krishna Kumar --- include/linux/netdevice.h | 1 + 1 file changed, 1 insertion(+) diff -ruNp org/include/linux/netdevice.h new/include/linux/netdevice.h --- org/include/linux/netdevice.h 2011-05-04 18:57:06.000000000 +0530 +++ new/include/linux/netdevice.h 2011-05-04 18:57:09.000000000 +0530 @@ -571,6 +571,7 @@ struct netdev_queue { * please use this field instead of dev->trans_start */ unsigned long trans_start; + unsigned long xmit_restart_jiffies; /* jiffies to restart */ } ____cacheline_aligned_in_smp; static inline int netdev_queue_numa_node_read(const struct netdev_queue *q)