From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta0.migadu.com (out-172.mta0.migadu.com [91.218.175.172]) (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 25EC126ED35 for ; Mon, 5 Jan 2026 22:18:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767651491; cv=none; b=FZVmQeNJDnpQps2WFD6cHCDXBNZOHd7QGTsXsEOClDd4Plhag4M7+mHdPerohSdcWi/CmzfFnRqHakyip5nkNgY7m7juVjS1O2tREV+5omUhyaZEXvZ1PYBy8bozFWU6Mo2oa7RmB6yUUKQWD7Ws2YanXTSns8UePKhrx+QZ2mI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767651491; c=relaxed/simple; bh=ELJlN/aW98z3hyRwapUzHBjZko0gXZYuSJwENDaaCzI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KNBSdH1Zh8K5liC6SJqQfHhrhhWXooFbkmjuEkc58HU1LFqmH8+6MC1WHvzyaR5M3uppF/Hj+WobBYlIlcK5XDTNzc/qpe85yms6EF0805gU0kuUVwQmNQiaCdE7RcDXlm2LNHhgfV66Sw9BO+tKMTckU5SmC2GGH6WEQ0swsM4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=GSdG8/lj; arc=none smtp.client-ip=91.218.175.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="GSdG8/lj" Message-ID: <312f85f4-119c-4e8c-aeac-1d7f0a04d6c8@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1767651487; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LnWAk0xQ4Jp8hS+DlmhPjGukEOU41gWTSA2XVWtsD5E=; b=GSdG8/ljcCy/m2jnGL9esXxJDb+VwiS2WYFXB7PBv9sO4CD0gelW9eBvAsz5tvXMG6nJjf YOD5Llwj6KsFM6TARYWrc6ut+tOATaUmGZhLAPrFqDSLap8ynWqQG2VevDY3wRKRUzEDoZ VCXiYCDnIDv+61y7Wp+YHjfpDFHtu4I= Date: Mon, 5 Jan 2026 22:18:04 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH net-next 2/6] bnxt_en: Add PTP .getcrosststamp() interface to get device/host times To: Michael Chan , davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, pavan.chebbi@broadcom.com, andrew.gospodarek@broadcom.com, Somnath Kotur References: <20260105215833.46125-1-michael.chan@broadcom.com> <20260105215833.46125-3-michael.chan@broadcom.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Vadim Fedorenko In-Reply-To: <20260105215833.46125-3-michael.chan@broadcom.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 1/5/26 21:58, Michael Chan wrote: > From: Pavan Chebbi > > .getcrosststamp() helps the applications to obtain a snapshot of > device and host time almost taken at the same time. This function > will report PCIe PTM device and host times to any application using > the ioctl PTP_SYS_OFFSET_PRECISE. The device time from the HW is > 48-bit and needs to be converted to 64-bit. > > Reviewed-by: Somnath Kotur > Signed-off-by: Pavan Chebbi > Signed-off-by: Michael Chan > --- > Cc: Vadim Fedorenko > > v2: Add check for x86 support > > v1: https://lore.kernel.org/netdev/20251126215648.1885936-8-michael.chan@broadcom.com/ > --- > drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 + > drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 + > drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 47 +++++++++++++++++++ > 3 files changed, 50 insertions(+) Reviewed-by: Vadim Fedorenko