From patchwork Tue Jul 7 23:47:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Guedes X-Patchwork-Id: 1324803 X-Patchwork-Delegate: mkubecek@suse.cz 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=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4B1fJb2g0mz9sSn for ; Wed, 8 Jul 2020 09:48:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729325AbgGGXsO (ORCPT ); Tue, 7 Jul 2020 19:48:14 -0400 Received: from mga02.intel.com ([134.134.136.20]:15272 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728688AbgGGXsL (ORCPT ); Tue, 7 Jul 2020 19:48:11 -0400 IronPort-SDR: UgAg7mpOk8Apx2cOvlcjI2/x4pjKsOZdt3bpQ1VYxjAILcFd6uEmjVf1XlmbweNe/SMa8ohe3+ fNYoydWPUdnA== X-IronPort-AV: E=McAfee;i="6000,8403,9675"; a="135949650" X-IronPort-AV: E=Sophos;i="5.75,325,1589266800"; d="scan'208";a="135949650" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2020 16:48:10 -0700 IronPort-SDR: pDs+cfnFDRI5S5B3cUZqr/gcmQXxp+tS8YaBCAplLRAKJgO2IvtgdUDQEmAju3uKsEr013v4zb 1D9+IEjZo09A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,325,1589266800"; d="scan'208";a="483684031" Received: from vapadgao-mobl.amr.corp.intel.com ([10.251.143.88]) by fmsmga005.fm.intel.com with ESMTP; 07 Jul 2020 16:48:10 -0700 From: Andre Guedes To: netdev@vger.kernel.org Cc: intel-wired-lan@lists.osuosl.org Subject: [PATCH ethtool 1/4] Add IGC driver support Date: Tue, 7 Jul 2020 16:47:57 -0700 Message-Id: <20200707234800.39119-2-andre.guedes@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200707234800.39119-1-andre.guedes@intel.com> References: <20200707234800.39119-1-andre.guedes@intel.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch adds the initial support for parsing registers dumped by the IGC driver. At this moment, only the Receive Address Low (RAL) and the Receive Address High (RAH) registers are parsed. More registers will be added on demand. Signed-off-by: Andre Guedes --- Makefile.am | 3 ++- ethtool.c | 1 + igc.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++ internal.h | 3 +++ 4 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 igc.c diff --git a/Makefile.am b/Makefile.am index a736237..2abb274 100644 --- a/Makefile.am +++ b/Makefile.am @@ -16,7 +16,8 @@ ethtool_SOURCES += \ pcnet32.c realtek.c tg3.c marvell.c vioc.c \ smsc911x.c at76c50x-usb.c sfc.c stmmac.c \ sff-common.c sff-common.h sfpid.c sfpdiag.c \ - ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c + ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c \ + igc.c endif if ENABLE_BASH_COMPLETION diff --git a/ethtool.c b/ethtool.c index 021f528..07006b0 100644 --- a/ethtool.c +++ b/ethtool.c @@ -1049,6 +1049,7 @@ static const struct { { "lan78xx", lan78xx_dump_regs }, { "dsa", dsa_dump_regs }, { "fec", fec_dump_regs }, + { "igc", igc_dump_regs }, #endif }; diff --git a/igc.c b/igc.c new file mode 100644 index 0000000..91ab64d --- /dev/null +++ b/igc.c @@ -0,0 +1,62 @@ +/* Copyright (c) 2020 Intel Corporation */ +#include +#include "internal.h" + +#define RAH_RAH 0x0000FFFF +#define RAH_ASEL 0x00010000 +#define RAH_QSEL 0x000C0000 +#define RAH_QSEL_EN 0x10000000 +#define RAH_AV 0x80000000 + +#define RAH_QSEL_SHIFT 18 + +static const char *bit_to_boolean(u32 val) +{ + return val ? "True" : "False"; +} + +int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs) +{ + u32 reg; + int offset, i; + u32 *regs_buff = (u32 *)regs->data; + u8 version = (u8)(regs->version >> 24); + + if (version != 2) + return -1; + + for (offset = 0; offset < 172; offset++) { + reg = regs_buff[offset]; + printf("%04d: 0x%08X\n", offset, reg); + } + + offset = 172; + + for (i = 0; i < 16; i++) { + reg = regs_buff[offset + i]; + printf("%04d: RAL (Receive Address Low %02d) \n" + " Receive Address Low: %08X\n", + offset + i, i, + reg); + } + + offset = 188; + + for (i = 0; i < 16; i++) { + reg = regs_buff[offset + i]; + printf("%04d: RAH (Receive Address High %02d) \n" + " Receive Address High: %04X\n" + " Address Select: %s\n" + " Queue Select: %d\n" + " Queue Select Enable: %s\n" + " Address Valid: %s\n", + offset + i, i, + reg & RAH_RAH, + reg & RAH_ASEL ? "Source" : "Destination", + (reg & RAH_QSEL) >> RAH_QSEL_SHIFT, + bit_to_boolean(reg & RAH_QSEL_EN), + bit_to_boolean(reg & RAH_AV)); + } + + return 0; +} diff --git a/internal.h b/internal.h index 45b63b7..1c6689a 100644 --- a/internal.h +++ b/internal.h @@ -393,4 +393,7 @@ int dsa_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); /* i.MX Fast Ethernet Controller */ int fec_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); +/* Intel(R) Ethernet Controller I225-LM/I225-V adapter family */ +int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); + #endif /* ETHTOOL_INTERNAL_H__ */