[PATCH] app/testpmd: fix tunnel offload validation

[Singh, Aman Deep]

On 11/17/2021 3:39 PM, Ferruh Yigit wrote:
> On 11/17/2021 8:57 AM, Gregory Etelson wrote:
>> Hello Ferruh,
>>
>> Can you estimate when this patch will be merged into 21.11 ?
>>
>
> Hi Gregory,
>
> It is not merged because it is missing review.
>
> Ori, Slava, can you please help with the review?
>
>
>> Thank you.
>>
>> Regards,
>> Gregory
>>
>>> -----Original Message-----
>>> From: Gregory Etelson <getelson at nvidia.com>
>>> Sent: Tuesday, November 2, 2021 14:24
>>> To: dev at dpdk.org; Gregory Etelson
>>> <getelson at nvidia.com>
>>> Cc: Matan Azrad <matan at nvidia.com>; Raslan
>>> Darawsheh <rasland at nvidia.com>;
>>> stable at dpdk.org; Xiaoyun Li
>>> <xiaoyun.li at intel.com>
>>> Subject: [PATCH] app/testpmd: fix tunnel offload
>>> validation
>>>
>>> Tunnel offload API allows application to restore
>>> packet to
>>> its original form if chain of flows missed after
>>> DECAP action.
>>> The main idea of the tunnel offload API was to
>>> query port PMD
>>> to provide flow elements - actions or items.
>>> Flow elements supplied by PMD are merged with
>>> original flow rule
>>> elements provided by testpmd operator to
>>> create a new flow rule,
>>> optimal for PMD, to implement the tunnel
>>> offload API.
>>> That flow rule transformation is hidden form
>>> testpmd operator and uses
>>> internal testpmd resources.
>>>
>>> Current testpmd did not release tunnel offload
>>> resources if flow rule
>>> validation failed.
>>>
>>> The patch always releases tunnel offload
>>> resources after flow rule
>>> validation returns.
>>>
>>> Cc: stable at dpdk.org
>>>
>>> Fixes: 1b9f274623b8 ("app/testpmd: add
>>> commands for tunnel offload")
>>>
>>> Signed-off-by: Gregory Etelson
>>> <getelson at nvidia.com>
>>> ---
>>>   app/test-pmd/config.c | 6 ++++--
>>>   1 file changed, 4 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/app/test-pmd/config.c b/app/test-
>>> pmd/config.c
>>> index a18871d461..4870aaeba6 100644
>>> --- a/app/test-pmd/config.c
>>> +++ b/app/test-pmd/config.c
>>> @@ -2011,6 +2011,7 @@
>>> port_flow_validate(portid_t port_id,
>>>       struct rte_flow_error error;
>>>       struct port_flow_tunnel *pft = NULL;
>>>       struct rte_port *port;
>>> +    int ret;
>>>
>>>       if (port_id_is_invalid(port_id,
>>> ENABLED_WARN) ||
>>>           port_id == (portid_t)RTE_PORT_ALL)
>>> @@ -2037,10 +2038,11 @@
>>> port_flow_validate(portid_t port_id,
>>>           if (pft->actions)
>>>               actions = pft->actions;
>>>       }
>>> -    if (rte_flow_validate(port_id, attr,
>>> pattern, actions, &error))
>>> -        return
>>> port_flow_complain(&error);
>>> +    ret = rte_flow_validate(port_id, attr,
>>> pattern, actions, &error);
>>>       if (tunnel_ops->enabled)
>>>
>>>     port_flow_tunnel_offload_cmd_release(
>>> port_id, tunnel_ops, pft);
>>> +    if (ret)
>>> +        return
>>> port_flow_complain(&error);
>>>       printf("Flow rule validated\n");
>>>       return 0;
>>>   }
>>> -- 
>>> 2.33.1
>>
>
> Acked-by: Aman Deep Singh <aman.deep.singh at intel.com>
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