From patchwork Mon Aug 16 16:07:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kubalewski, Arkadiusz" X-Patchwork-Id: 12438831 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5A16C4338F for ; Mon, 16 Aug 2021 16:17:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B569F60F58 for ; Mon, 16 Aug 2021 16:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229836AbhHPQST (ORCPT ); Mon, 16 Aug 2021 12:18:19 -0400 Received: from mga09.intel.com ([134.134.136.24]:19482 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229542AbhHPQSO (ORCPT ); Mon, 16 Aug 2021 12:18:14 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10078"; a="215889356" X-IronPort-AV: E=Sophos;i="5.84,326,1620716400"; d="scan'208";a="215889356" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2021 09:17:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,326,1620716400"; d="scan'208";a="487523947" Received: from amlin-018-053.igk.intel.com ([10.102.18.53]) by fmsmga008.fm.intel.com with ESMTP; 16 Aug 2021 09:17:39 -0700 From: Arkadiusz Kubalewski To: linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, richardcochran@gmail.com, shuah@kernel.org, arkadiusz.kubalewski@intel.com, arnd@arndb.de, nikolay@nvidia.com, cong.wang@bytedance.com, colin.king@canonical.com, gustavoars@kernel.org Subject: [RFC net-next 2/7] selftests/ptp: Add usage of PTP_DPLL_GETSTATE ioctl in testptp Date: Mon, 16 Aug 2021 18:07:12 +0200 Message-Id: <20210816160717.31285-3-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20210816160717.31285-1-arkadiusz.kubalewski@intel.com> References: <20210816160717.31285-1-arkadiusz.kubalewski@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC Allow get Digital Phase Locked Loop state of ptp enabled device through ptp related ioctl PTP_DPLL_GETSTATE. Signed-off-by: Arkadiusz Kubalewski --- tools/testing/selftests/ptp/testptp.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c index f7911aaeb007..67de96cf0962 100644 --- a/tools/testing/selftests/ptp/testptp.c +++ b/tools/testing/selftests/ptp/testptp.c @@ -141,6 +141,7 @@ static void usage(char *progname) " -S set the system time from the ptp clock time\n" " -t val shift the ptp clock time by 'val' seconds\n" " -T val set the ptp clock time to 'val' seconds\n" + " -u get list of available DPLLs and their state values" " -z test combinations of rising/falling external time stamp flags\n", progname); } @@ -156,6 +157,7 @@ int main(int argc, char *argv[]) struct timex tx; struct ptp_clock_time *pct; struct ptp_sys_offset *sysoff; + struct ptp_dpll_state *ds; char *progname; unsigned int i; @@ -177,6 +179,7 @@ int main(int argc, char *argv[]) int pps = -1; int seconds = 0; int settime = 0; + int dpll_state = 0; int64_t t1, t2, tp; int64_t interval, offset; @@ -186,7 +189,7 @@ int main(int argc, char *argv[]) progname = strrchr(argv[0], '/'); progname = progname ? 1+progname : argv[0]; - while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:p:P:sSt:T:w:z"))) { + while (EOF != (c = getopt(argc, argv, "cd:e:f:ghH:i:k:lL:p:P:sSt:T:uw:z"))) { switch (c) { case 'c': capabilities = 1; @@ -242,6 +245,9 @@ int main(int argc, char *argv[]) settime = 3; seconds = atoi(optarg); break; + case 'u': + dpll_state = 1; + break; case 'w': pulsewidth = atoi(optarg); break; @@ -506,6 +512,25 @@ int main(int argc, char *argv[]) free(sysoff); } + if (dpll_state) { + ds = calloc(1, sizeof(*ds)); + if (!ds) { + perror("calloc"); + return -1; + } + + if (ioctl(fd, PTP_DPLL_GETSTATE, ds)) + perror("PTP_DPLL_GETSTATE"); + else + puts("get dpll state request okay"); + + printf("dpll state:\n"); + for (i = 0; i < ds->dpll_num; i++) + printf("dpll id:%i state:%u\n", i, ds->state[i]); + + free(ds); + } + close(fd); return 0; }