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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Qi Zhang <qi.z.zhang@intel.com>
Cc: thomas@monjalon.net, dev@dpdk.org, xueqin.lin@intel.com
Subject: Re: [dpdk-dev] [PATCH v3 2/2] net/pcap: enable data path for secondary
Date: Wed, 14 Nov 2018 23:08:11 +0000
Message-ID: <d7e0de20-db49-7866-7151-5349841ab224@intel.com> (raw)
In-Reply-To: <20181114195647.196648-3-qi.z.zhang@intel.com>

On 11/14/2018 7:56 PM, Qi Zhang wrote:
> Private vdev was the way previously, when pdump developed, now with shared
> device mode on virtual devices, pcap data path in secondary is not working.
> 
> When secondary adds a virtual device, related data transferred to primary
> and primary creates the device and shares device back with secondary.
> When pcap device created in primary, pcap handlers (pointers) are process
> local and they are not valid for secondary process. This breaks secondary.
> 
> So we can't directly share the pcap handlers, but need to create a new set
> of handlers for secondary, that's what we done in this patch.
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>

<...>

> @@ -1155,16 +1157,18 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
>  			PMD_LOG(ERR, "Failed to probe %s", name);
>  			return -1;
>  		}
> -		/* TODO: request info from primary to set up Rx and Tx */
> -		eth_dev->dev_ops = &ops;
> -		eth_dev->device = &dev->device;
> -		rte_eth_dev_probing_finish(eth_dev);
> -		return 0;
> -	}
>  
> -	kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
> -	if (kvlist == NULL)
> -		return -1;
> +		internal = eth_dev->data->dev_private;
> +
> +		kvlist = rte_kvargs_parse(internal->devargs, valid_arguments);
> +		if (kvlist == NULL)
> +			return -1;

Copying devargs to internal->devargs seems missing, it is still needed right?

  reply	other threads:[~2018-11-14 23:08 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-05 21:08 [dpdk-dev] [PATCH] net/pcap: enable data path on secondary Qi Zhang
2018-11-09 21:13 ` Ferruh Yigit
2018-11-09 21:24   ` Zhang, Qi Z
2018-11-12 16:51 ` [dpdk-dev] [PATCH v2] " Qi Zhang
2018-11-13 16:56   ` Ferruh Yigit
2018-11-13 17:11     ` [dpdk-dev] [PATCH] net/pcap: fix pcap handlers for secondary Ferruh Yigit
2018-11-13 17:14     ` [dpdk-dev] [PATCH v2] net/pcap: enable data path on secondary Thomas Monjalon
2018-11-13 18:27       ` Zhang, Qi Z
2018-11-13 18:43         ` Ferruh Yigit
2018-11-13 19:18           ` Zhang, Qi Z
2018-11-14 19:56 ` [dpdk-dev] [PATCH v3 0/2] fix pcap handlers for secondary Qi Zhang
2018-11-14 19:56   ` [dpdk-dev] [PATCH v3 1/2] net/pcap: move pcap handler to process private Qi Zhang
2018-11-14 23:05     ` Ferruh Yigit
2018-11-15  0:13       ` Zhang, Qi Z
2018-11-14 19:56   ` [dpdk-dev] [PATCH v3 2/2] net/pcap: enable data path for secondary Qi Zhang
2018-11-14 23:08     ` Ferruh Yigit [this message]
2018-11-15  0:06       ` Zhang, Qi Z
2018-11-15  1:37 ` [dpdk-dev] [PATCH v4 0/2] fix pcap handlers " Qi Zhang
2018-11-15  1:37   ` [dpdk-dev] [PATCH v4 1/2] net/pcap: move pcap handler to process private Qi Zhang
2018-11-16 15:56     ` Ferruh Yigit
2018-11-15  1:37   ` [dpdk-dev] [PATCH v4 2/2] net/pcap: enable data path for secondary Qi Zhang
2018-11-16 14:54   ` [dpdk-dev] [PATCH v4 0/2] fix pcap handlers " Ferruh Yigit
2018-11-16 16:12     ` Ferruh Yigit

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