[dpdk-dev] [PATCH 1/5] ethdev: add API to dump device internal flow info
Ferruh Yigit
ferruh.yigit at intel.com
Fri Jan 17 10:20:02 CET 2020
On 1/16/2020 10:56 PM, Stephen Hemminger wrote:
> On Thu, 16 Jan 2020 20:37:36 +0000
> Ferruh Yigit <ferruh.yigit at intel.com> wrote:
>
>> On 1/16/2020 10:14 AM, Xiaoyu Min wrote:
>>> Introduce an API which dump the device's internal representation
>>> information of rte flows in hardware.
>>>
>>> Signed-off-by: Xiaoyu Min <jackmin at mellanox.com>
>>
>> <...>
>>
>>> @@ -1212,3 +1212,19 @@ rte_flow_expand_rss(struct rte_flow_expand_rss *buf, size_t size,
>>> }
>>> return lsize;
>>> }
>>> +
>>> +int
>>> +rte_flow_dev_dump(uint16_t port_id, FILE *file, struct rte_flow_error *error)
>>> +{
>>> + struct rte_eth_dev *dev = &rte_eth_devices[port_id];
>>> + const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
>>> +
>>> + if (unlikely(!ops))
>>> + return -rte_errno;
>>> + if (likely(!!ops->dev_dump))
>>> + return flow_err(port_id, ops->dev_dump(dev, file, error),
>>> + error);
>>> + return rte_flow_error_set(error, ENOSYS,
>>> + RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
>>> + NULL, rte_strerror(ENOSYS));
>>> +}
>>
>> Should API validate user provided input "FILE *file" ?
>
> None of the other DPDK dump routines do.
>
You are right, a few samples I checked doesn't validating it, I wonder if this
is intentional decision or just missed the user input validation.
For me, APIs should validate user input.
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