From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 40zmTG1C2bzF0mQ for ; Mon, 4 Jun 2018 17:16:49 +1000 (AEST) From: Yangbo Lu To: netdev@vger.kernel.org, madalin.bucur@nxp.com, Richard Cochran , Rob Herring , Shawn Guo , "David S . Miller" Cc: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Yangbo Lu Subject: [PATCH 07/10] fsl/fman_port: support getting timestamp field Date: Mon, 4 Jun 2018 15:08:34 +0800 Message-Id: <20180604070837.19265-8-yangbo.lu@nxp.com> In-Reply-To: <20180604070837.19265-1-yangbo.lu@nxp.com> References: <20180604070837.19265-1-yangbo.lu@nxp.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch is to add fman_port_get_tstamp_field() interface to get timestamp field data. Signed-off-by: Yangbo Lu --- drivers/net/ethernet/freescale/fman/fman_port.c | 12 ++++++++++++ drivers/net/ethernet/freescale/fman/fman_port.h | 3 +++ 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index ce6e24c..86f0094 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1731,6 +1731,18 @@ int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset) } EXPORT_SYMBOL(fman_port_get_hash_result_offset); +int fman_port_get_tstamp_field(struct fman_port *port, const void *data, + u64 *tstamp) +{ + if (port->buffer_offsets.time_stamp_offset == ILLEGAL_BASE) + return -EINVAL; + + *tstamp = *(u64 *)(data + port->buffer_offsets.time_stamp_offset); + + return 0; +} +EXPORT_SYMBOL(fman_port_get_tstamp_field); + static int fman_port_probe(struct platform_device *of_dev) { struct fman_port *port; diff --git a/drivers/net/ethernet/freescale/fman/fman_port.h b/drivers/net/ethernet/freescale/fman/fman_port.h index e86ca6a..d10e48d 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.h +++ b/drivers/net/ethernet/freescale/fman/fman_port.h @@ -153,6 +153,9 @@ int fman_port_cfg_buf_prefix_content(struct fman_port *port, int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset); +int fman_port_get_tstamp_field(struct fman_port *port, const void *data, + u64 *tstamp); + struct fman_port *fman_port_bind(struct device *dev); #endif /* __FMAN_PORT_H */ -- 1.7.1