[PATCH v5 39/40] app/proc-info: support querying RSS hash algorithm

[Jie Hai]

On 2023/10/12 10:05, fengchengwen wrote:
> Suggest add one new API for get hash_algo_name. e.g. rte_eth_get_rss_algo_name()
> 
Thanks, that's better for reuse, will change it in next version.
> On 2023/10/11 17:28, Jie Hai wrote:
>> Display RSS hash algorithm with command show-port as below.
>>    - RSS info
>> 	  -- hash algorithm : toeplitz
>>
>> Signed-off-by: Jie Hai <haijie1 at huawei.com>
>> Signed-off-by: Dongdong Liu <liudongdong3 at huawei.com>
>> Acked-by: Reshma Pattan <reshma.pattan at intel.com>
>> ---
>>   app/proc-info/main.c | 10 ++++++++++
>>   1 file changed, 10 insertions(+)
>>
>> diff --git a/app/proc-info/main.c b/app/proc-info/main.c
>> index e98352118db1..43f264848a6f 100644
>> --- a/app/proc-info/main.c
>> +++ b/app/proc-info/main.c
>> @@ -153,6 +153,14 @@ static struct desc_param rx_desc_param;
>>   static struct desc_param tx_desc_param;
>>   
>>   #define RSS_HASH_KEY_SIZE 64
>> +static const char * const rss_hash_algos[] = {
>> +	[RTE_ETH_HASH_FUNCTION_SIMPLE_XOR] = "simple_xor",
>> +	[RTE_ETH_HASH_FUNCTION_TOEPLITZ] = "toeplitz",
>> +	[RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ] = "symmetric_toeplitz",
>> +	[RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ_SORT] = "symmetric_toeplitz_sort",
>> +	[RTE_ETH_HASH_FUNCTION_DEFAULT] = "default",
>> +	[RTE_ETH_HASH_FUNCTION_MAX] = "unknown"
>> +};
>>   
>>   /* display usage */
>>   static void
>> @@ -1186,6 +1194,8 @@ show_port(void)
>>   				printf("%02x", rss_conf.rss_key[k]);
>>   			printf("\n\t  -- hash function : 0x%"PRIx64"\n",
>>   					rss_conf.rss_hf);
>> +			printf("\t  -- hash algorithm : %s\n",
>> +				rss_hash_algos[rss_conf.algorithm]);
>>   		}
>>   
>>   #ifdef RTE_LIB_SECURITY
>>
> .