From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH] cassini: NAPI configuration Date: Wed, 21 Nov 2007 11:53:58 -0800 Message-ID: <20071121115358.2e31fb91@freepuppy.rosehill> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Jeff Garzik Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:60773 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752837AbXKUTyp (ORCPT ); Wed, 21 Nov 2007 14:54:45 -0500 Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org The Cassini driver has NAPI support, but it not possible to configure it. Compile tested only, no idea if it works (no hardware). Get rid of warning from lefover variable in now visible code. Signed-off-by: Stephen Hemminger --- a/drivers/net/Kconfig 2007-11-19 18:56:12.000000000 -0800 +++ b/drivers/net/Kconfig 2007-11-21 11:28:20.000000000 -0800 @@ -587,6 +587,15 @@ config CASSINI Support for the Sun Cassini chip, aka Sun GigaSwift Ethernet. See also +config CASSINI_NAPI + bool "Use Rx Polling (NAPI) (EXPERIMENTAL)" + depends on CASSINI && EXPERIMENTAL + help + NAPI is a new driver API designed to reduce CPU and interrupt load + when the driver is receiving lots of packets from the card. + + If in doubt, say N. + config SUNVNET tristate "Sun Virtual Network support" depends on SUN_LDOMS --- a/drivers/net/cassini.c 2007-11-16 16:17:20.000000000 -0800 +++ b/drivers/net/cassini.c 2007-11-21 11:30:43.000000000 -0800 @@ -2611,7 +2611,7 @@ static int cas_poll(struct napi_struct * { struct cas *cp = container_of(napi, struct cas, napi); struct net_device *dev = cp->dev; - int i, enable_intr, todo, credits; + int i, enable_intr, credits; u32 status = readl(cp->regs + REG_INTR_STATUS); unsigned long flags;