From mboxrd@z Thu Jan 1 00:00:00 1970 From: Auke Kok Subject: [PATCH 5/5] e1000e: lower ring minimum size to 64 Date: Mon, 14 Apr 2008 10:06:19 -0700 Message-ID: <20080414170619.23286.25518.stgit@localhost.localdomain> References: <20080414170557.23286.71580.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net To: jeff@garzik.org Return-path: Received: from mga01.intel.com ([192.55.52.88]:61921 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762461AbYDNRGn (ORCPT ); Mon, 14 Apr 2008 13:06:43 -0400 In-Reply-To: <20080414170557.23286.71580.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: The lower limit of 80 descriptors in the ring is only valid for one older 8254x chipset. All e1000e devices can use as low as 64 descriptors. Signed-off-by: Auke Kok --- drivers/net/e1000e/e1000.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h index f6835c3..38bfd0d 100644 --- a/drivers/net/e1000e/e1000.h +++ b/drivers/net/e1000e/e1000.h @@ -64,11 +64,11 @@ struct e1000_info; /* Tx/Rx descriptor defines */ #define E1000_DEFAULT_TXD 256 #define E1000_MAX_TXD 4096 -#define E1000_MIN_TXD 80 +#define E1000_MIN_TXD 64 #define E1000_DEFAULT_RXD 256 #define E1000_MAX_RXD 4096 -#define E1000_MIN_RXD 80 +#define E1000_MIN_RXD 64 #define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */ #define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */