Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933020AbaGVXBN (ORCPT ); Tue, 22 Jul 2014 19:01:13 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:44323 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755978AbaGVWWd (ORCPT ); Tue, 22 Jul 2014 18:22:33 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Todd Fujinaka , Jeff Kirsher , Tim Gardner , Kamal Mostafa Subject: [PATCH 3.8 001/116] igb: fix stats for i210 rx_fifo_errors Date: Tue, 22 Jul 2014 15:20:12 -0700 Message-Id: <1406067727-19683-2-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406067727-19683-1-git-send-email-kamal@canonical.com> References: <1406067727-19683-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.8.13.27 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Todd Fujinaka commit e66c083aab32842f225bae2a2c30744bf96abaec upstream. RQDPC on i210/i211 is R/W not ReadClear. Clear after reading. Signed-off-by: Todd Fujinaka Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Cc: Tim Gardner Signed-off-by: Kamal Mostafa --- drivers/net/ethernet/intel/igb/igb_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 31cfe2e..40f80c3 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4592,8 +4592,10 @@ void igb_update_stats(struct igb_adapter *adapter, bytes = 0; packets = 0; for (i = 0; i < adapter->num_rx_queues; i++) { - u32 rqdpc = rd32(E1000_RQDPC(i)); struct igb_ring *ring = adapter->rx_ring[i]; + u32 rqdpc = rd32(E1000_RQDPC(i)); + if (hw->mac.type >= e1000_i210) + wr32(E1000_RQDPC(i), 0); if (rqdpc) { ring->rx_stats.drops += rqdpc; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/