From mboxrd@z Thu Jan 1 00:00:00 1970 From: Auke Kok Subject: [PATCH 4/8] e1000e: lower ring minimum size to 64 Date: Wed, 23 Apr 2008 11:09:19 -0700 Message-ID: <20080423180919.24972.67080.stgit@localhost.localdomain> References: <20080423180900.24972.84015.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org To: jeff@garzik.org Return-path: In-Reply-To: <20080423180900.24972.84015.stgit@localhost.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: e1000-devel-bounces@lists.sourceforge.net Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org 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 */ ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone