From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Kleine-Budde Subject: [PATCH v41 1/3] can: rx-offload: can_rx_offload_add_manual(): add new initialization function Date: Mon, 22 Jun 2020 13:46:01 +0200 Message-ID: <20200622114603.965371-2-mkl@pengutronix.de> References: <20200622114603.965371-1-mkl@pengutronix.de> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727799AbgFVLqT (ORCPT ); Mon, 22 Jun 2020 07:46:19 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A1AAC061794 for ; Mon, 22 Jun 2020 04:46:19 -0700 (PDT) In-Reply-To: <20200622114603.965371-1-mkl@pengutronix.de> Sender: linux-can-owner@vger.kernel.org List-ID: To: linux-can@vger.kernel.org Cc: manivannan.sadhasivam@linaro.org, dev.kurt@vandijck-laurijssen.be, Marc Kleine-Budde This patch adds a new initialization function: can_rx_offload_add_manual() It should be used to add support rx-offload to a driver, if the callback mechanism should not be used. Use e.g. can_rx_offload_queue_sorted() to queue skbs into rx-offload. Signed-off-by: Marc Kleine-Budde --- drivers/net/can/rx-offload.c | 11 +++++++++++ include/linux/can/rx-offload.h | 3 +++ 2 files changed, 14 insertions(+) diff --git a/drivers/net/can/rx-offload.c b/drivers/net/can/rx-offload.c index e8328910a234..3b180269a92d 100644 --- a/drivers/net/can/rx-offload.c +++ b/drivers/net/can/rx-offload.c @@ -351,6 +351,17 @@ int can_rx_offload_add_fifo(struct net_device *dev, } EXPORT_SYMBOL_GPL(can_rx_offload_add_fifo); +int can_rx_offload_add_manual(struct net_device *dev, + struct can_rx_offload *offload, + unsigned int weight) +{ + if (offload->mailbox_read) + return -EINVAL; + + return can_rx_offload_init_queue(dev, offload, weight); +} +EXPORT_SYMBOL_GPL(can_rx_offload_add_manual); + void can_rx_offload_enable(struct can_rx_offload *offload) { napi_enable(&offload->napi); diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h index 1b78a0cfb615..f1b38088b765 100644 --- a/include/linux/can/rx-offload.h +++ b/include/linux/can/rx-offload.h @@ -35,6 +35,9 @@ int can_rx_offload_add_timestamp(struct net_device *dev, int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight); +int can_rx_offload_add_manual(struct net_device *dev, + struct can_rx_offload *offload, + unsigned int weight); int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg); int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload); -- 2.27.0