From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
To: Michael Chan <michael.chan@broadcom.com>, 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 <somnath.kotur@broadcom.com>
Subject: Re: [PATCH net-next 2/6] bnxt_en: Add PTP .getcrosststamp() interface to get device/host times
Date: Mon, 5 Jan 2026 22:18:04 +0000 [thread overview]
Message-ID: <312f85f4-119c-4e8c-aeac-1d7f0a04d6c8@linux.dev> (raw)
In-Reply-To: <20260105215833.46125-3-michael.chan@broadcom.com>
On 1/5/26 21:58, Michael Chan wrote:
> From: Pavan Chebbi <pavan.chebbi@broadcom.com>
>
> .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 <somnath.kotur@broadcom.com>
> Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
> Signed-off-by: Michael Chan <michael.chan@broadcom.com>
> ---
> Cc: Vadim Fedorenko <vadim.fedorenko@linux.dev>
>
> 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 <vadim.fedorenko@linux.dev>
next prev parent reply other threads:[~2026-01-05 22:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-05 21:58 [PATCH net-next 0/6] bnxt_en: Updates for net-next Michael Chan
2026-01-05 21:58 ` [PATCH net-next 1/6] bnxt_en: Update FW interface to 1.10.3.151 Michael Chan
2026-01-05 21:58 ` [PATCH net-next 2/6] bnxt_en: Add PTP .getcrosststamp() interface to get device/host times Michael Chan
2026-01-05 22:18 ` Vadim Fedorenko [this message]
2026-01-05 21:58 ` [PATCH net-next 3/6] bnxt_en: Add support for FEC bin histograms Michael Chan
2026-01-06 12:07 ` Vadim Fedorenko
2026-01-05 21:58 ` [PATCH net-next 4/6] bnxt_en: Defrag the NVRAM region when resizing UPDATE region fails Michael Chan
2026-01-07 2:19 ` Jakub Kicinski
2026-01-05 21:58 ` [PATCH net-next 5/6] bnxt_en: Use a larger RSS indirection table on P5_PLUS chips Michael Chan
2026-01-05 21:58 ` [PATCH net-next 6/6] bnxt_en: Implement ethtool_ops -> get_link_ext_state() Michael Chan
2026-01-07 2:15 ` Jakub Kicinski
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