From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kok, Auke" Subject: [PATCH 3/8] e1000: FIX: fix wrong txdctl threshold bitmasks Date: Tue, 17 Oct 2006 12:02:39 -0700 Message-ID: <20061017190239.4194.37827.stgit@gitlost.site> References: <20061017190139.4194.20128.stgit@gitlost.site> Cc: netdev@vger.kernel.org, "Brandeburg, Jesse" , "Kok, Auke" , "Kok, Auke" , "Ronciak, John" Return-path: Received: from [63.64.152.142] ([63.64.152.142]:16910 "EHLO gitlost.site") by vger.kernel.org with ESMTP id S1751433AbWJQSxx (ORCPT ); Tue, 17 Oct 2006 14:53:53 -0400 To: "Garzik, Jeff" In-Reply-To: <20061017190139.4194.20128.stgit@gitlost.site> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Threshold bitmasks for prefetch, host and writeback were clearing bits that they were not supposed to. The leftmost 2 bits in the byte for each threshold are reserved. Signed-off-by: Bruce Allan Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_hw.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 112447f..449a603 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -1961,9 +1961,9 @@ struct e1000_hw { #define E1000_RXDCTL_GRAN 0x01000000 /* RXDCTL Granularity */ /* Transmit Descriptor Control */ -#define E1000_TXDCTL_PTHRESH 0x000000FF /* TXDCTL Prefetch Threshold */ -#define E1000_TXDCTL_HTHRESH 0x0000FF00 /* TXDCTL Host Threshold */ -#define E1000_TXDCTL_WTHRESH 0x00FF0000 /* TXDCTL Writeback Threshold */ +#define E1000_TXDCTL_PTHRESH 0x0000003F /* TXDCTL Prefetch Threshold */ +#define E1000_TXDCTL_HTHRESH 0x00003F00 /* TXDCTL Host Threshold */ +#define E1000_TXDCTL_WTHRESH 0x003F0000 /* TXDCTL Writeback Threshold */ #define E1000_TXDCTL_GRAN 0x01000000 /* TXDCTL Granularity */ #define E1000_TXDCTL_LWTHRESH 0xFE000000 /* TXDCTL Low Threshold */ #define E1000_TXDCTL_FULL_TX_DESC_WB 0x01010000 /* GRAN=1, WTHRESH=1 */ --- Auke Kok