From patchwork Mon Jan 16 17:29:58 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tariq Toukan X-Patchwork-Id: 715859 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3v2KyM3SM8z9sfH for ; Tue, 17 Jan 2017 04:30:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751184AbdAPRau (ORCPT ); Mon, 16 Jan 2017 12:30:50 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:43784 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751031AbdAPRar (ORCPT ); Mon, 16 Jan 2017 12:30:47 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from tariqt@mellanox.com) with ESMTPS (AES256-SHA encrypted); 16 Jan 2017 19:30:29 +0200 Received: from dev-l-vrt-206-006.mtl.labs.mlnx (dev-l-vrt-206-006.mtl.labs.mlnx [10.134.206.6]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id v0GHUTJS003574; Mon, 16 Jan 2017 19:30:29 +0200 From: Tariq Toukan To: "David S. Miller" Cc: netdev@vger.kernel.org, Eran Ben Elisha , Yishai Hadas , Tariq Toukan Subject: [PATCH net-next 2/9] net/mlx4_core: Device revision support Date: Mon, 16 Jan 2017 19:29:58 +0200 Message-Id: <1484587805-12666-3-git-send-email-tariqt@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1484587805-12666-1-git-send-email-tariqt@mellanox.com> References: <1484587805-12666-1-git-send-email-tariqt@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Yishai Hadas The device revision field returned by the NodeInfo MAD is incorrect on ConnectX3 devices. This patch is driver side handling to complete a FW fix added at 2.11.1172. INIT_HCA - bit at offset 0x0C.12 is set to 1 so that FW will report correct device revision. Older FW versions won't be affected from turning on that bit, no capability bit is needed. Signed-off-by: Yishai Hadas Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx4/fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 25b5b32e958f..de39a5db4a6f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -1875,7 +1875,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = - (ilog2(cache_line_size()) - 4) << 5; + ((ilog2(cache_line_size()) - 4) << 5) | (1 << 4); #if defined(__LITTLE_ENDIAN) *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1);