From patchwork Fri Jul 17 13:47:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Kulkarni X-Patchwork-Id: 1331158 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=chelsio.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B7XXv1Wfwz9sRN for ; Fri, 17 Jul 2020 23:49:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726788AbgGQNtS (ORCPT ); Fri, 17 Jul 2020 09:49:18 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:31035 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726205AbgGQNtQ (ORCPT ); Fri, 17 Jul 2020 09:49:16 -0400 Received: from vishal.asicdesigners.com (indranil-pc.asicdesigners.com [10.193.177.163] (may be forged)) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id 06HDn2F6017430; Fri, 17 Jul 2020 06:49:12 -0700 From: Vishal Kulkarni To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, Vishal Kulkarni Subject: [PATCH net-next 1/4] cxgb4: Add ethtool self-test support Date: Fri, 17 Jul 2020 19:17:56 +0530 Message-Id: <20200717134759.8268-2-vishal@chelsio.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200717134759.8268-1-vishal@chelsio.com> References: <20200717134759.8268-1-vishal@chelsio.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This test checks whether adapter has crashed or not Signed-off-by: Vishal Kulkarni --- .../ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c index b66a2e6cbbeb..1ec6157f8ba7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -25,6 +25,15 @@ static void set_msglevel(struct net_device *dev, u32 val) netdev2adap(dev)->msg_enable = val; } +enum cxgb4_ethtool_tests { + CXGB4_ETHTOOL_ADAPTER_TEST, + CXGB4_ETHTOOL_MAX_TEST, +}; + +static const char cxgb4_selftest_strings[CXGB4_ETHTOOL_MAX_TEST][ETH_GSTRING_LEN] = { + "Adapter health status", +}; + static const char * const flash_region_strings[] = { "All", "Firmware", @@ -166,6 +175,8 @@ static int get_sset_count(struct net_device *dev, int sset) ARRAY_SIZE(loopback_stats_strings); case ETH_SS_PRIV_FLAGS: return ARRAY_SIZE(cxgb4_priv_flags_strings); + case ETH_SS_TEST: + return ARRAY_SIZE(cxgb4_selftest_strings); default: return -EOPNOTSUPP; } @@ -228,6 +239,9 @@ static void get_strings(struct net_device *dev, u32 stringset, u8 *data) } else if (stringset == ETH_SS_PRIV_FLAGS) { memcpy(data, cxgb4_priv_flags_strings, sizeof(cxgb4_priv_flags_strings)); + } else if (stringset == ETH_SS_TEST) { + memcpy(data, cxgb4_selftest_strings, + sizeof(cxgb4_selftest_strings)); } } @@ -2056,6 +2070,31 @@ static int cxgb4_set_priv_flags(struct net_device *netdev, u32 flags) return 0; } +static void cxgb4_adapter_status_test(struct net_device *netdev, u64 *data) +{ + struct port_info *pi = netdev_priv(netdev); + struct adapter *adap = pi->adapter; + u32 pcie_fw; + + pcie_fw = t4_read_reg(adap, PCIE_FW_A); + if (pcie_fw & PCIE_FW_ERR_F) { + *data = 1; + return; + } + + *data = 0; +} + +static void cxgb4_self_test(struct net_device *netdev, + struct ethtool_test *eth_test, u64 *data) +{ + memset(data, 0, sizeof(u64) * CXGB4_ETHTOOL_MAX_TEST); + + cxgb4_adapter_status_test(netdev, &data[CXGB4_ETHTOOL_ADAPTER_TEST]); + if (data[CXGB4_ETHTOOL_ADAPTER_TEST]) + eth_test->flags |= ETH_TEST_FL_FAILED; +} + static const struct ethtool_ops cxgb_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_RX_MAX_FRAMES | @@ -2090,6 +2129,7 @@ static const struct ethtool_ops cxgb_ethtool_ops = { .get_rxfh_indir_size = get_rss_table_size, .get_rxfh = get_rss_table, .set_rxfh = set_rss_table, + .self_test = cxgb4_self_test, .flash_device = set_flash, .get_ts_info = get_ts_info, .set_dump = set_dump,