[dpdk-dev] [PATCH v2 7/7] app/testpmd: verify mtu with rte_eth_dev_info_get()
Ferruh Yigit
ferruh.yigit at intel.com
Thu Mar 28 17:41:00 CET 2019
On 3/25/2019 2:20 PM, Ferruh Yigit wrote:
> On 3/22/2019 1:01 PM, Ian Stokes wrote:
>> This commit uses the mtu fields populated in rte_eth_dev_info_get()
>> to validate the mtu value being passed in port_mtu_set().
>>
>> Signed-off-by: Ian Stokes <ian.stokes at intel.com>
>
> For patch title, I think 'rte_eth_dev_info_get()' is implementation detail here,
> what we are verifying mtu against min/max MTU information provided by PMDs.
> What do you think something like:
> app/testpmd: verify MTU with PMD provided limits
>
>> ---
>> app/test-pmd/config.c | 4 ++++
>> 1 file changed, 4 insertions(+)
>>
>> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
>> index b9e5dd923..6ca97d0e7 100644
>> --- a/app/test-pmd/config.c
>> +++ b/app/test-pmd/config.c
>> @@ -1063,9 +1063,13 @@ void
>> port_mtu_set(portid_t port_id, uint16_t mtu)
>> {
>> int diag;
>> + struct rte_eth_dev_info dev_info;
>>
>> if (port_id_is_invalid(port_id, ENABLED_WARN))
>> return;
>> + rte_eth_dev_info_get(port_id, &dev_info);
>> + if (mtu > dev_info.max_mtu || mtu < dev_info.min_mtu)
>> + return;
>
> This fails silently, I think better to put a log for failure.
Ian seems out of office, I can update this myself if set of the patchset is good.
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