[PATCH v3 1/1] ethdev: support congestion management

Andrew Rybchenko andrew.rybchenko at oktetlabs.ru
Tue Oct 4 11:04:09 CEST 2022


On 10/4/22 12:02, Andrew Rybchenko wrote:
> On 9/29/22 12:35, skori at marvell.com wrote:
>> From: Jerin Jacob <jerinj at marvell.com>
>>
>> NIC HW controllers often come with congestion management support on
>> various HW objects such as Rx queue depth or mempool queue depth.
>>
>> Also, it can support various modes of operation such as RED
>> (Random early discard), WRED etc on those HW objects.
>>
>> This patch adds a framework to express such modes(enum rte_cman_mode)
>> and introduce (enum rte_eth_cman_obj) to enumerate the different
>> objects where the modes can operate on.
>>
>> This patch adds RTE_CMAN_RED mode of operation and
> 
> This patch adds -> Add
> 
>> RTE_ETH_CMAN_OBJ_RX_QUEUE, RTE_ETH_CMAN_OBJ_RX_QUEUE_MEMPOOL object.
>>
>> Introduced reserved fields in configuration structure
> 
> Introduce
> 
>> backed by rte_eth_cman_config_init() to add new configuration
>> parameters without ABI breakage.
>>
>> Added rte_eth_cman_info_get() API to get the information such as
> 
> Add
> 
>> supported modes and objects.
>>
>> Added rte_eth_cman_config_init(), rte_eth_cman_config_set() APIs
> 
> Add
> 
>> to configure congestion management on those object with associated mode.
>>
>> Finally, Added rte_eth_cman_config_get() API to retrieve the
> 
> add
> 
>> applied configuration.
>>
>> Signed-off-by: Jerin Jacob <jerinj at marvell.com>
>> Signed-off-by: Sunil Kumar Kori <skori at marvell.com>
> 
> I'll send v4 with few minor correction.

Done, but I'm sorry I forgot to specify --in-reply-to.




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