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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Ye Xiaolong <xiaolong.ye@intel.com>
Cc: dev@dpdk.org, Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v1 1/2] net/af_xdp: remove resources when port is closed
Date: Tue, 30 Apr 2019 08:35:31 +0100	[thread overview]
Message-ID: <570e0036-c0b8-3be7-3375-19f9992f53c3@intel.com> (raw)
Message-ID: <20190430073531.kywmjVmdwUFPqgE4G4uWVjgvC82B2xGxUGMtg--yX8A@z> (raw)
In-Reply-To: <20190430020636.GB37233@intel.com>

On 4/30/2019 3:06 AM, Ye Xiaolong wrote:
> Hi, Ferruh
> 
> On 04/29, Ferruh Yigit wrote:
>> On 4/26/2019 6:09 AM, Xiaolong Ye wrote:
>>> Since 18.11, it is suggested that driver should release all its private
>>> resources at the dev_close routine. So all resources previously released
>>> in remove routine are now released at the dev_close routine, and the
>>> dev_close routine will be called in driver remove routine in order to
>>> support removing a device without closing its ports.
>>>
>>> Above behavior changes are supported by setting RTE_ETH_DEV_CLOSE_REMOVE
>>> flag during probe stage.
>>>
>>> Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
>>
>> <...>
>>
>>> @@ -936,14 +940,7 @@ rte_pmd_af_xdp_remove(struct rte_vdev_device *dev)
>>>  	if (eth_dev == NULL)
>>>  		return -1;
>>>  
>>> -	internals = eth_dev->data->dev_private;
>>> -
>>> -	rte_ring_free(internals->umem->buf_ring);
>>> -	rte_memzone_free(internals->umem->mz);
>>> -	rte_free(internals->umem);
>>> -
>>> -	rte_eth_dev_release_port(eth_dev);
>>
>> I thinks we should keep 'rte_eth_dev_release_port()' in '.remove()' path,
>> the 'RTE_ETH_DEV_CLOSE_REMOVE' flag will take care of this in
>> 'rte_eth_dev_close()' but still needed in  '.remove()' path.
>>
> 
> remove() would call eth_dev_close which includes the rte_eth_dev_release_port().

'eth_dev_close()' doesn't call the 'rte_eth_dev_release_port()', and it
shouldn't really, am I missing something?

> 
> Thanks,
> Xiaolong
> 
>>> -
>>> +	eth_dev_close(eth_dev);
>>>  
>>>  	return 0;
>>>  }
>>>
>>


  parent reply	other threads:[~2019-04-30  7:35 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-26  5:09 [dpdk-dev] [PATCH v1 0/2] support RTE_ETH_DEV_CLOSE_REMOVE flag for AF_XDP Xiaolong Ye
2019-04-26  5:09 ` Xiaolong Ye
2019-04-26  5:09 ` [dpdk-dev] [PATCH v1 1/2] net/af_xdp: remove resources when port is closed Xiaolong Ye
2019-04-26  5:09   ` Xiaolong Ye
2019-04-29 17:00   ` Ferruh Yigit
2019-04-29 17:00     ` Ferruh Yigit
2019-04-29 20:14     ` Thomas Monjalon
2019-04-29 20:14       ` Thomas Monjalon
2019-04-29 22:28       ` Ferruh Yigit
2019-04-29 22:28         ` Ferruh Yigit
2019-04-29 22:34         ` Thomas Monjalon
2019-04-29 22:34           ` Thomas Monjalon
2019-04-30  7:33           ` Ferruh Yigit
2019-04-30  7:33             ` Ferruh Yigit
2019-04-30  7:55             ` Thomas Monjalon
2019-04-30  7:55               ` Thomas Monjalon
2019-04-30  8:10               ` Ferruh Yigit
2019-04-30  8:10                 ` Ferruh Yigit
2019-04-30  2:06     ` Ye Xiaolong
2019-04-30  2:06       ` Ye Xiaolong
2019-04-30  7:35       ` Ferruh Yigit [this message]
2019-04-30  7:35         ` Ferruh Yigit
2019-04-30  8:37         ` Ye Xiaolong
2019-04-30  8:37           ` Ye Xiaolong
2019-04-26  5:09 ` [dpdk-dev] [PATCH v1 2/2] net/af_xdp: set MAC addrs field to NULL Xiaolong Ye
2019-04-26  5:09   ` Xiaolong Ye
2019-04-29 17:02   ` Ferruh Yigit
2019-04-29 17:02     ` Ferruh Yigit
2019-04-30  2:04     ` Ye Xiaolong
2019-04-30  2:04       ` Ye Xiaolong
2019-04-30  8:39 ` [dpdk-dev] [PATCH v3] net/af_xdp: remove resources when port is closed Xiaolong Ye
2019-04-30  8:39   ` Xiaolong Ye
2019-04-30 11:02   ` Ferruh Yigit
2019-04-30 11:02     ` Ferruh Yigit

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