From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753188Ab3FYSgA (ORCPT ); Tue, 25 Jun 2013 14:36:00 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:41252 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753173Ab3FYSf5 (ORCPT ); Tue, 25 Jun 2013 14:35:57 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stephen Hemminger , "David S. Miller" Subject: [ 11/27] 8139cp: reset BQL when ring tx ring cleared Date: Tue, 25 Jun 2013 11:35:30 -0700 Message-Id: <20130625183518.999775841@linuxfoundation.org> X-Mailer: git-send-email 1.8.3.rc0.20.gb99dd2e In-Reply-To: <20130625183517.651770593@linuxfoundation.org> References: <20130625183517.651770593@linuxfoundation.org> User-Agent: quilt/0.60-5.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: stephen hemminger [ Upstream commit 98962baad72fd6d393bf39dbb7c2076532c363c6 ] This patch cures transmit timeout's with DHCP observed while running under KVM. When the transmit ring is cleaned out, the Byte Queue Limit values need to be reset. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/8139cp.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1097,6 +1097,7 @@ static void cp_clean_rings (struct cp_pr cp->dev->stats.tx_dropped++; } } + netdev_reset_queue(cp->dev); memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE); memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);