From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-of-o54.zoho.com (sender4-of-o54.zoho.com [136.143.188.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95797384CFE for ; Wed, 13 May 2026 09:46:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.54 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778665572; cv=pass; b=Mji6m5kpSSKTZ7fz385RoGkqTqj64CD4kgEMdiPMxh+0CWP1q2s+UXQTADZ67LgbO8yHTDIjORahyrNnweJmaZCcGyrs72QdvumNbmugt/gjjg+L1xCKgEkzYZSRLTQ32sHh9MkrOprCow4IJDiUuEmSrMXIMaMwDGhNdcFTUUM= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778665572; c=relaxed/simple; bh=mXCPtdH3CuEATtek5N5eA8apy43m7lMRnK8T6qbdDJI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NK+HUx2X5FAUHEz7S/SjfO+bBfNltrUuT5I3lZaNzRny+d+Jz7jUpWjIRzveTQ71sO0H8JyYZ4+aAyzfcWaH3SnipGRGWKhNbgbty6mMw7igyRqEiJJ7kMFjW7Y/kpcwm/IhnOAf7hmnpDXhFXHI5p0fpMw5HX0Pngs3oPCsZHg= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net; spf=pass smtp.mailfrom=machnikowski.net; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b=O2v5rzR/; arc=pass smtp.client-ip=136.143.188.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b="O2v5rzR/" ARC-Seal: i=1; a=rsa-sha256; t=1778665530; cv=none; d=zohomail.com; s=zohoarc; b=U+MmEWSbW30CNtBGR8BH1B7r0arb6hxqZsgEvKzlB5TgBAM9q0Gn96ek7aWhfCpG+cXsRusf6Q6xWw9RO3bDgKmZ2P4KtFYzMJvwL9WVwrOyLXqtYoSZv41lQCjE/U0LXD6E8O2kGOCShGqCUAqVDOlM+4xlulMjQ6MOZyLQBVw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1778665530; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=QkKiZIfVkLp6Fi37JIewBVQZcq/KV6zzMnY72Sy5RHU=; b=f8X0hiwo/3TleMxEOEWKFCLfNi0VyjdA7J3isZV2/w+TMPgSBDXf2MTUVskYwQRWbsHUTkom1Qr2zHE0UBWXccVwYudYsgZWxgMD8IptFwrhe7dWTbAVhkTe/42UoHXU4AnHIVloITLsXZ4Am+HSzw02p2d8bMjmu1oeFatWwO0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=machnikowski.net; spf=pass smtp.mailfrom=maciek@machnikowski.net; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1778665530; s=zoho; d=machnikowski.net; i=maciek@machnikowski.net; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=QkKiZIfVkLp6Fi37JIewBVQZcq/KV6zzMnY72Sy5RHU=; b=O2v5rzR/GQKxiU8yB1/1MReF+2nyU8O9OGjiviHKDTg7+gxfKwtcglkE/og22nFG XfQ1jrD8kS3s65KQgQHxx+wcwmyJGu216zH0DMSdXyA1XEnvkBdB6QJb9riMbfAR7VQ 7z3Urh4n3Z4YTa7ZOUe9TyfzpYMSo4wmGk8i5TJwIP4U9q23Sx6ObaHs9ZDs63DIUuz rSYt9TNaKP6TpROjWq4IjGqy2JsTtGNIE9uTLZQYB72Yx4n9BhxB1f43KwYwYxUjpzl ci5KKk35POQJpMZZIckrPHpMGbQ/NjrHRqhv51acNP1b2I3cLRk3i+zEJRov3KmZTGO +aFDxkkBhA== Received: by mx.zohomail.com with SMTPS id 1778665528340438.29751472730425; Wed, 13 May 2026 02:45:28 -0700 (PDT) From: Maciek Machnikowski To: netdev@vger.kernel.org Cc: kuba@kernel.org, maciek@machnikowski.net, richardcochran@gmail.com, milena.olech@intel.com, willemdebruijn.kernel@gmail.com, andrew@lunn.ch, vadim.fedorenko@linux.dev, horms@kernel.org Subject: [PATCH v6 net-next 1/3] ptp_mock: Expose ptp_clock_info to external drivers Date: Wed, 13 May 2026 11:45:18 +0200 Message-ID: <20260513094520.325693-2-maciek@machnikowski.net> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260513094520.325693-1-maciek@machnikowski.net> References: <20260513094520.325693-1-maciek@machnikowski.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-ZohoMailClient: External Allow exposing the ptp_clock_info of the ptp_mock to the external drivers. Convert spinlocks to SLIS to allow gettime to be called from the netdevsim. This is a prerequisite for implementing ptp support on netdevsim. Co-developed-by: Milena Olech Signed-off-by: Milena Olech Signed-off-by: Maciek Machnikowski --- drivers/ptp/ptp_mock.c | 26 ++++++++++++++++++-------- include/linux/ptp_mock.h | 5 +++++ 2 files changed, 23 insertions(+), 8 deletions(-) diff --git a/drivers/ptp/ptp_mock.c b/drivers/ptp/ptp_mock.c index 4d66b6147121..7a4e5f3274a6 100644 --- a/drivers/ptp/ptp_mock.c +++ b/drivers/ptp/ptp_mock.c @@ -49,15 +49,16 @@ static u64 mock_phc_cc_read(struct cyclecounter *cc) static int mock_phc_adjfine(struct ptp_clock_info *info, long scaled_ppm) { struct mock_phc *phc = info_to_phc(info); + unsigned long flags; s64 adj; adj = (s64)scaled_ppm << MOCK_PHC_FADJ_SHIFT; adj = div_s64(adj, MOCK_PHC_FADJ_DENOMINATOR); - spin_lock(&phc->lock); + spin_lock_irqsave(&phc->lock, flags); timecounter_read(&phc->tc); phc->cc.mult = MOCK_PHC_CC_MULT + adj; - spin_unlock(&phc->lock); + spin_unlock_irqrestore(&phc->lock, flags); return 0; } @@ -65,10 +66,11 @@ static int mock_phc_adjfine(struct ptp_clock_info *info, long scaled_ppm) static int mock_phc_adjtime(struct ptp_clock_info *info, s64 delta) { struct mock_phc *phc = info_to_phc(info); + unsigned long flags; - spin_lock(&phc->lock); + spin_lock_irqsave(&phc->lock, flags); timecounter_adjtime(&phc->tc, delta); - spin_unlock(&phc->lock); + spin_unlock_irqrestore(&phc->lock, flags); return 0; } @@ -78,10 +80,11 @@ static int mock_phc_settime64(struct ptp_clock_info *info, { struct mock_phc *phc = info_to_phc(info); u64 ns = timespec64_to_ns(ts); + unsigned long flags; - spin_lock(&phc->lock); + spin_lock_irqsave(&phc->lock, flags); timecounter_init(&phc->tc, &phc->cc, ns); - spin_unlock(&phc->lock); + spin_unlock_irqrestore(&phc->lock, flags); return 0; } @@ -89,11 +92,12 @@ static int mock_phc_settime64(struct ptp_clock_info *info, static int mock_phc_gettime64(struct ptp_clock_info *info, struct timespec64 *ts) { struct mock_phc *phc = info_to_phc(info); + unsigned long flags; u64 ns; - spin_lock(&phc->lock); + spin_lock_irqsave(&phc->lock, flags); ns = timecounter_read(&phc->tc); - spin_unlock(&phc->lock); + spin_unlock_irqrestore(&phc->lock, flags); *ts = ns_to_timespec64(ns); @@ -171,5 +175,11 @@ void mock_phc_destroy(struct mock_phc *phc) } EXPORT_SYMBOL_GPL(mock_phc_destroy); +struct ptp_clock_info *mock_phc_get_ptp_info(struct mock_phc *phc) +{ + return &phc->info; +} +EXPORT_SYMBOL_GPL(mock_phc_get_ptp_info); + MODULE_DESCRIPTION("Mock-up PTP Hardware Clock driver"); MODULE_LICENSE("GPL"); diff --git a/include/linux/ptp_mock.h b/include/linux/ptp_mock.h index 72eb401034d9..e33188dec2b7 100644 --- a/include/linux/ptp_mock.h +++ b/include/linux/ptp_mock.h @@ -16,6 +16,7 @@ struct mock_phc; struct mock_phc *mock_phc_create(struct device *dev); void mock_phc_destroy(struct mock_phc *phc); int mock_phc_index(struct mock_phc *phc); +struct ptp_clock_info *mock_phc_get_ptp_info(struct mock_phc *phc); #else @@ -33,6 +34,10 @@ static inline int mock_phc_index(struct mock_phc *phc) return -1; } +static inline struct ptp_clock_info *mock_phc_get_ptp_info(struct mock_phc *phc) +{ + return NULL; +} #endif #endif /* _PTP_MOCK_H_ */ -- 2.54.0