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 <haij...@huawei.com>
Signed-off-by: Dongdong Liu <liudongdo...@huawei.com>
Acked-by: Reshma Pattan <reshma.pat...@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

.

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