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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Nalla Pradeep <pnalla@marvell.com>,
	Radha Mohan Chintakuntla <radhac@marvell.com>,
	Veerasenareddy Burru <vburru@marvell.com>
Cc: jerinj@marvell.com, dev@dpdk.org, sburla@marvell.com
Subject: Re: [dpdk-dev] [PATCH v2 09/11] net/octeontx_ep: Added dev start and stop
Date: Tue, 26 Jan 2021 15:32:52 +0000	[thread overview]
Message-ID: <ab8420c1-b8ac-46f6-5810-81e1c4271a70@intel.com> (raw)
In-Reply-To: <20210118093602.5449-9-pnalla@marvell.com>

On 1/18/2021 9:36 AM, Nalla Pradeep wrote:
> Dev start and stop operations are added. To accomplish this internal
> functions to enable or disable io queues are incorporated.
> 
> Signed-off-by: Nalla Pradeep <pnalla@marvell.com>

<...>

> +static int
> +otx_ep_dev_start(struct rte_eth_dev *eth_dev)
> +{
> +	struct otx_ep_device *otx_epvf;
> +	unsigned int q;
> +	int ret;
> +
> +	otx_epvf = (struct otx_ep_device *)OTX_EP_DEV(eth_dev);
> +	/* Enable IQ/OQ for this device */
> +	ret = otx_epvf->fn_list.enable_io_queues(otx_epvf);
> +	if (ret) {
> +		otx_ep_err("IOQ enable failed\n");
> +		return ret;
> +	}
> +
> +	for (q = 0; q < otx_epvf->nb_rx_queues; q++) {
> +		rte_write32(otx_epvf->droq[q]->nb_desc,
> +			    otx_epvf->droq[q]->pkts_credit_reg);
> +
> +		rte_wmb();
> +		otx_ep_info("OQ[%d] dbells [%d]\n", q,
> +		rte_read32(otx_epvf->droq[q]->pkts_credit_reg));
> +	}
> +
> +	otx_epvf->started = 1;
> +
> +	rte_wmb();

is this memory barrier required, isn't the one in the loop should be enough? And 
no ones seems reading the 'started'.

> +	otx_ep_info("dev started\n");
> +
> +	return 0;
> +}
> +

<...>

  reply	other threads:[~2021-01-26 15:32 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18  9:35 [dpdk-dev] [PATCH v2 01/11] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 02/11] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-19 11:55   ` Jerin Jacob
2021-01-26 15:27   ` Ferruh Yigit
2021-01-27 11:45     ` [dpdk-dev] [EXT] " Pradeep Kumar Nalla
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 03/11] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-19 12:06   ` Jerin Jacob
2021-01-26 15:25   ` Ferruh Yigit
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 04/11] net/octeontx_ep: Added basic device setup Nalla Pradeep
2021-01-19 12:09   ` Jerin Jacob
2021-01-26 15:29   ` Ferruh Yigit
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 05/11] net/octeontx_ep: Add dev info get and configure Nalla Pradeep
2021-01-26 15:31   ` Ferruh Yigit
2021-01-28  7:03     ` [dpdk-dev] [EXT] " Pradeep Kumar Nalla
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 06/11] net/octeontx_ep: Added rxq setup and release Nalla Pradeep
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 07/11] net/octeontx_ep: Added tx queue " Nalla Pradeep
2021-01-18  9:35 ` [dpdk-dev] [PATCH v2 08/11] net/octeontx_ep: Setting up iq and oq registers Nalla Pradeep
2021-01-26 15:32   ` Ferruh Yigit
2021-01-18  9:36 ` [dpdk-dev] [PATCH v2 09/11] net/octeontx_ep: Added dev start and stop Nalla Pradeep
2021-01-26 15:32   ` Ferruh Yigit [this message]
2021-01-18  9:36 ` [dpdk-dev] [PATCH v2 10/11] net/octeontx_ep: Receive data path function added Nalla Pradeep
2021-01-26 15:33   ` Ferruh Yigit
2021-01-18  9:36 ` [dpdk-dev] [PATCH v2 11/11] net/octeontx_ep: Transmit " Nalla Pradeep
2021-01-26 15:35   ` Ferruh Yigit
2021-01-19 11:50 ` [dpdk-dev] [PATCH v2 01/11] net/octeontx_ep: add build and doc infrastructure Jerin Jacob
2021-01-26 15:09 ` Ferruh Yigit
2021-01-26 15:41 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 00/11] Octeon Tx/Tx2 Endpoint pmd Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 00/12] " Nalla Pradeep
2021-01-29 12:44     ` [dpdk-dev] [PATCH v7 " Nalla Pradeep
2021-01-29 14:08       ` Ferruh Yigit
2021-01-29 12:44     ` [dpdk-dev] [PATCH v7 01/12] raw/octeontx_ep: changed device id Nalla Pradeep
2021-02-11  0:58       ` Radha Mohan
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 02/12] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 03/12] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 04/12] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 05/12] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 06/12] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 07/12] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-29 14:04       ` Ferruh Yigit
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 08/12] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-29 14:04       ` Ferruh Yigit
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 09/12] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 10/12] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 11/12] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-29 12:45     ` [dpdk-dev] [PATCH v7 12/12] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 01/12] raw/octeontx_ep: changed device id Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 02/12] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 03/12] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 04/12] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-29  9:19     ` Ferruh Yigit
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 05/12] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 06/12] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 07/12] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 08/12] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 09/12] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 10/12] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 11/12] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-29  9:24     ` Ferruh Yigit
2021-01-29  0:16   ` [dpdk-dev] [PATCH v6 12/12] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 01/11] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 02/11] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 03/11] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-28 16:55   ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 04/11] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 05/11] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-28 16:56   ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 06/11] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 07/11] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-28 16:57   ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 08/11] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 09/11] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 10/11] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-28 16:58   ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 11/11] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-28 16:59   ` Ferruh Yigit

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