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

Jie Hai haijie1 at huawei.com
Wed Oct 11 11:28:04 CEST 2023


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
-- 
2.30.0



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