From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH 2/6] skge: receive flush logic Date: Mon, 26 Nov 2007 11:54:49 -0800 Message-ID: <20071126195557.595722308@linux-foundation.org> References: <20071126195447.846382144@linux-foundation.org> Cc: netdev@vger.kernel.org To: Jeff Garzik Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:53065 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754564AbXKZT7P (ORCPT ); Mon, 26 Nov 2007 14:59:15 -0500 Content-Disposition: inline; filename=skge-no-rcv-flush.patch Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Receive FIFO overrun is not catastrophic condition, so don't flush when it happens. Signed-off-by: Stephen Hemminger --- a/drivers/net/skge.c 2007-11-21 14:36:31.000000000 -0800 +++ b/drivers/net/skge.c 2007-11-21 14:40:58.000000000 -0800 @@ -1801,11 +1801,6 @@ static void genesis_mac_intr(struct skge xm_write32(hw, port, XM_MODE, XM_MD_FTF); ++dev->stats.tx_fifo_errors; } - - if (status & XM_IS_RXF_OV) { - xm_write32(hw, port, XM_MODE, XM_MD_FRF); - ++dev->stats.rx_fifo_errors; - } } static void genesis_link_up(struct skge_port *skge) @@ -1862,9 +1857,9 @@ static void genesis_link_up(struct skge_ xm_write32(hw, port, XM_MODE, mode); - /* Turn on detection of Tx underrun, Rx overrun */ + /* Turn on detection of Tx underrun */ msk = xm_read16(hw, port, XM_IMSK); - msk &= ~(XM_IS_RXF_OV | XM_IS_TXF_UR); + msk &= ~XM_IS_TXF_UR; xm_write16(hw, port, XM_IMSK, msk); xm_read16(hw, port, XM_ISRC); -- Stephen Hemminger