Re: [dpdk-dev] [PATCH v3] net/tap: fix dev name look-up

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 3/6/2017 3:42 PM, Ferruh Yigit wrote:
> On 3/6/2017 3:16 PM, Wiles, Keith wrote:
>>
>>> On Mar 6, 2017, at 9:13 AM, Pascal Mazon <pascal.mazon@6wind.com> wrote:
>>>
>>> Store the device name in dev->data->name, to have symmetrical behavior
>>> between rte_pmd_tap_probe(name) and rte_pmd_tap_remove(name).
>>>
>>> The netdevice name (linux interface name) is stored in the name field of
>>> struct pmd_internals.
>>>
>>> snprintf(data->name) has been moved closer to the rte_ethdev_allocate()
>>> as it should use the same name.
>>>
>>> Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com>
>>> ---
>>> drivers/net/tap/rte_eth_tap.c | 5 +++--
>>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
>>> index 47a706070652..ece3a5fcc897 100644
>>> --- a/drivers/net/tap/rte_eth_tap.c
>>> +++ b/drivers/net/tap/rte_eth_tap.c
>>> @@ -663,7 +663,9 @@ eth_dev_tap_create(const char *name, char *tap_name)
>>> 		goto error_exit;
>>> 	}
>>>
>>> -	dev = rte_eth_dev_allocate(tap_name);
>>> +	/* name in allocation and data->name must be consistent */
>>> +	snprintf(data->name, sizeof(data->name), "%s", name);
>>> +	dev = rte_eth_dev_allocate(name);
>>> 	if (!dev) {
>>> 		RTE_LOG(ERR, PMD, "TAP Unable to allocate device struct\n");
>>> 		goto error_exit;
>>> @@ -691,7 +693,6 @@ eth_dev_tap_create(const char *name, char *tap_name)
>>> 	dev->driver = NULL;
>>> 	dev->rx_pkt_burst = pmd_rx_burst;
>>> 	dev->tx_pkt_burst = pmd_tx_burst;
>>> -	snprintf(dev->data->name, sizeof(dev->data->name), "%s", name);
>>>
>>> 	/* Presetup the fds to -1 as being not valid */
>>> 	for (i = 0; i < RTE_PMD_TAP_MAX_QUEUES; i++) {
>>> -- 
>>> 2.8.0.rc0
>>
>> Looks good to me, but Ferruh seems to be the expect here :-)
> 
> One more minor update, and will be fine I guess J

Since no more update required, I am using above as your "Acked-by".

> 
>>>
>>
>> Regards,
>> Keith
>>
>