From patchwork Tue Aug 6 07:41:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Kleine-Budde X-Patchwork-Id: 13754512 X-Patchwork-Delegate: kuba@kernel.org Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 2BE40161310 for ; Tue, 6 Aug 2024 07:47:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722930467; cv=none; b=BMcqr2tcDgqafE8t46DDfV9Y/q2iCgNw1JV4uHIC0H9jARitjt8Px1VK4O7zJVDcUm90n7q4qjg8k7LFFNoY83IcGBrbAgSEhKDpcEJMihhqVn3ZbVgUzeaG/b8P1dAYA9auWmKA8x7k0h1h+RAmP0EgMrxfCRjINgEfeh01L4Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722930467; c=relaxed/simple; bh=cAX/AyCl9IPg2U5P1BK0BgS+iHguEM6fkOB9BW0DN6I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L4N2pEmzGbFksk+TKmfAKDG8spmG2Qce5ZmbvbTDy7mwFkVRaiv7zQoj3WG7yS6yCyzJQo3n4GoOhLydMv3mwo0jGoo/OV/apwgXbAMUnBam7UfGbmOqUdXocaezxg1AaYTX0+Ne5nqsKKnqGRnigtVU+ymBfAVruK9XCCUv+mY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sbEuz-000478-W0 for netdev@vger.kernel.org; Tue, 06 Aug 2024 09:47:42 +0200 Received: from [2a0a:edc0:0:b01:1d::7b] (helo=bjornoya.blackshift.org) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sbEuv-004tt4-Ky for netdev@vger.kernel.org; Tue, 06 Aug 2024 09:47:37 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id 366F93179E4 for ; Tue, 06 Aug 2024 07:47:37 +0000 (UTC) Received: from hardanger.blackshift.org (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by bjornoya.blackshift.org (Postfix) with ESMTPS id 2719C31797B; Tue, 06 Aug 2024 07:47:34 +0000 (UTC) Received: from blackshift.org (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id 1714af3a; Tue, 6 Aug 2024 07:47:33 +0000 (UTC) From: Marc Kleine-Budde To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, linux-can@vger.kernel.org, kernel@pengutronix.de, Jimmy Assarsson , Vincent Mailhol , Marc Kleine-Budde Subject: [PATCH net-next 08/20] can: kvaser_usb: hydra: Add struct for Tx ACK commands Date: Tue, 6 Aug 2024 09:41:59 +0200 Message-ID: <20240806074731.1905378-9-mkl@pengutronix.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240806074731.1905378-1-mkl@pengutronix.de> References: <20240806074731.1905378-1-mkl@pengutronix.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Jimmy Assarsson Add, struct kvaser_cmd_tx_ack, for standard Tx ACK commands. Expand kvaser_usb_hydra_ktime_from_cmd() to extract timestamps from both standard and extended Tx ACK commands. Unsupported commands are silently ignored, and 0 is returned. Signed-off-by: Jimmy Assarsson Reviewed-by: Vincent Mailhol Link: https://lore.kernel.org/all/20240701154936.92633-4-extja@kvaser.com Signed-off-by: Marc Kleine-Budde --- .../net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c index 84f1f1f9c107..f102f9de7d16 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c @@ -261,6 +261,15 @@ struct kvaser_cmd_tx_can { u8 reserved[11]; } __packed; +struct kvaser_cmd_tx_ack { + __le32 id; + u8 data[8]; + u8 dlc; + u8 flags; + __le16 timestamp[3]; + u8 reserved0[8]; +} __packed; + struct kvaser_cmd_header { u8 cmd_no; /* The destination HE address is stored in 0..5 of he_addr. @@ -297,6 +306,7 @@ struct kvaser_cmd { struct kvaser_cmd_rx_can rx_can; struct kvaser_cmd_tx_can tx_can; + struct kvaser_cmd_tx_ack tx_ack; } __packed; } __packed; @@ -530,9 +540,14 @@ static ktime_t kvaser_usb_hydra_ktime_from_cmd(const struct kvaser_usb_dev_cfg * if (cmd->header.cmd_no == CMD_EXTENDED) { struct kvaser_cmd_ext *cmd_ext = (struct kvaser_cmd_ext *)cmd; - hwtstamp = kvaser_usb_timestamp64_to_ktime(cfg, cmd_ext->rx_can.timestamp); - } else { + if (cmd_ext->cmd_no_ext == CMD_RX_MESSAGE_FD) + hwtstamp = kvaser_usb_timestamp64_to_ktime(cfg, cmd_ext->rx_can.timestamp); + else if (cmd_ext->cmd_no_ext == CMD_TX_ACKNOWLEDGE_FD) + hwtstamp = kvaser_usb_timestamp64_to_ktime(cfg, cmd_ext->tx_ack.timestamp); + } else if (cmd->header.cmd_no == CMD_RX_MESSAGE) { hwtstamp = kvaser_usb_timestamp48_to_ktime(cfg, cmd->rx_can.timestamp); + } else if (cmd->header.cmd_no == CMD_TX_ACKNOWLEDGE) { + hwtstamp = kvaser_usb_timestamp48_to_ktime(cfg, cmd->tx_ack.timestamp); } return hwtstamp;