[v7,9/9] app/testpmd: add RSS hash algorithms display

  Add the command "show port X rss-hash algorithm" to display
the RSS hash algorithms of port X. An example is shown:

testpmd> show port 0 rss-hash algorithm
RSS algorithms:
  toeplitz

Signed-off-by: Jie Hai <haijie1@huawei.com>
---
 app/test-pmd/cmdline.c | 29 ++++++++++++++++++++++++-----
 app/test-pmd/config.c  | 29 ++++++++++-------------------
 app/test-pmd/testpmd.h |  2 +-
 3 files changed, 35 insertions(+), 25 deletions(-)
  

在 2023/10/28 9:46, Jie Hai 写道:
> Add the command "show port X rss-hash algorithm" to display
> the RSS hash algorithms of port X. An example is shown:
>
> testpmd> show port 0 rss-hash algorithm
> RSS algorithms:
>    toeplitz
>
> Signed-off-by: Jie Hai <haijie1@huawei.com>
> ---
>   app/test-pmd/cmdline.c | 29 ++++++++++++++++++++++++-----
>   app/test-pmd/config.c  | 29 ++++++++++-------------------
>   app/test-pmd/testpmd.h |  2 +-
>   3 files changed, 35 insertions(+), 25 deletions(-)
>
> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
> index 679ca47b9401..d0eafd7f1254 100644
> --- a/app/test-pmd/cmdline.c
> +++ b/app/test-pmd/cmdline.c
> @@ -174,8 +174,8 @@ static void cmd_help_long_parsed(void *parsed_result,
>   			" by masks on port X. size is used to indicate the"
>   			" hardware supported reta size\n\n"
>   
> -			"show port (port_id) rss-hash [key]\n"
> -			"    Display the RSS hash functions and RSS hash key of port\n\n"
> +			"show port (port_id) rss-hash [key | algorithm]\n"
> +			"    Display the RSS hash functions, RSS hash key and RSS hash algorithms of port\n\n"
>   
>   			"clear port (info|stats|xstats|fdir) (port_id|all)\n"
>   			"    Clear information for port_id, or all.\n\n"
> @@ -3026,15 +3026,17 @@ struct cmd_showport_rss_hash {
>   	cmdline_fixed_string_t rss_hash;
>   	cmdline_fixed_string_t rss_type;
>   	cmdline_fixed_string_t key; /* optional argument */
> +	cmdline_fixed_string_t algorithm; /* optional argument */
>   };
>   
>   static void cmd_showport_rss_hash_parsed(void *parsed_result,
>   				__rte_unused struct cmdline *cl,
> -				void *show_rss_key)
> +				__rte_unused void *data)
>   {
>   	struct cmd_showport_rss_hash *res = parsed_result;
>   
> -	port_rss_hash_conf_show(res->port_id, show_rss_key != NULL);
> +	port_rss_hash_conf_show(res->port_id,
> +		!strcmp(res->key, "key"), !strcmp(res->algorithm, "algorithm"));
>   }
>   
>   static cmdline_parse_token_string_t cmd_showport_rss_hash_show =
> @@ -3049,6 +3051,8 @@ static cmdline_parse_token_string_t cmd_showport_rss_hash_rss_hash =
>   				 "rss-hash");
>   static cmdline_parse_token_string_t cmd_showport_rss_hash_rss_key =
>   	TOKEN_STRING_INITIALIZER(struct cmd_showport_rss_hash, key, "key");
> +static cmdline_parse_token_string_t cmd_showport_rss_hash_rss_algo =
> +	TOKEN_STRING_INITIALIZER(struct cmd_showport_rss_hash, algorithm, "algorithm");
>   
>   static cmdline_parse_inst_t cmd_showport_rss_hash = {
>   	.f = cmd_showport_rss_hash_parsed,
> @@ -3065,7 +3069,7 @@ static cmdline_parse_inst_t cmd_showport_rss_hash = {
>   
>   static cmdline_parse_inst_t cmd_showport_rss_hash_key = {
>   	.f = cmd_showport_rss_hash_parsed,
> -	.data = (void *)1,
> +	.data = NULL,
>   	.help_str = "show port <port_id> rss-hash key",
>   	.tokens = {
>   		(void *)&cmd_showport_rss_hash_show,
> @@ -3077,6 +3081,20 @@ static cmdline_parse_inst_t cmd_showport_rss_hash_key = {
>   	},
>   };
>   
> +static cmdline_parse_inst_t cmd_showport_rss_hash_algo = {
> +	.f = cmd_showport_rss_hash_parsed,
> +	.data = NULL,
> +	.help_str = "show port <port_id> rss-hash algorithm",
> +	.tokens = {
> +		(void *)&cmd_showport_rss_hash_show,
> +		(void *)&cmd_showport_rss_hash_port,
> +		(void *)&cmd_showport_rss_hash_port_id,
> +		(void *)&cmd_showport_rss_hash_rss_hash,
> +		(void *)&cmd_showport_rss_hash_rss_algo,
> +		NULL,
> +	},
> +};
> +
>   /* *** Configure DCB *** */
>   struct cmd_config_dcb {
>   	cmdline_fixed_string_t port;
> @@ -12953,6 +12971,7 @@ static cmdline_parse_ctx_t builtin_ctx[] = {
>   	(cmdline_parse_inst_t *)&cmd_tunnel_udp_config,
>   	(cmdline_parse_inst_t *)&cmd_showport_rss_hash,
>   	(cmdline_parse_inst_t *)&cmd_showport_rss_hash_key,
> +	(cmdline_parse_inst_t *)&cmd_showport_rss_hash_algo,
>   	(cmdline_parse_inst_t *)&cmd_config_rss_hash_key,
>   	(cmdline_parse_inst_t *)&cmd_cleanup_txq_mbufs,
>   	(cmdline_parse_inst_t *)&cmd_dump,
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index b9fdb7e8f162..c090b77b536c 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -1504,24 +1504,7 @@ rss_config_display(struct rte_flow_action_rss *rss_conf)
>   		printf(" %d", rss_conf->queue[i]);
>   	printf("\n");
>   
> -	printf(" function: ");
> -	switch (rss_conf->func) {
> -	case RTE_ETH_HASH_FUNCTION_DEFAULT:
> -		printf("default\n");
> -		break;
> -	case RTE_ETH_HASH_FUNCTION_TOEPLITZ:
> -		printf("toeplitz\n");
> -		break;
> -	case RTE_ETH_HASH_FUNCTION_SIMPLE_XOR:
> -		printf("simple_xor\n");
> -		break;
> -	case RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ:
> -		printf("symmetric_toeplitz\n");
> -		break;
> -	default:
> -		printf("Unknown function\n");
> -		return;
> -	}
> +	printf(" function: %s\n", rte_eth_dev_rss_algo_name(rss_conf->func));
>   
>   	printf(" RSS key:\n");
>   	if (rss_conf->key_len == 0) {
> @@ -4486,7 +4469,7 @@ port_rss_reta_info(portid_t port_id,
>    * key of the port.
>    */
>   void
> -port_rss_hash_conf_show(portid_t port_id, int show_rss_key)
> +port_rss_hash_conf_show(portid_t port_id, int show_rss_key, int show_rss_algo)
>   {
>   	struct rte_eth_rss_conf rss_conf = {0};
>   	uint8_t rss_key[RSS_HASH_KEY_LENGTH];
> @@ -4536,8 +4519,16 @@ port_rss_hash_conf_show(portid_t port_id, int show_rss_key)
>   		printf("RSS disabled\n");
>   		return;
>   	}
> +
> +	if (show_rss_algo) {
> +		printf("RSS algorithms:\n  %s\n",
> +			rte_eth_dev_rss_algo_name(rss_conf.algorithm));

algorithms --> algorithm, right?
Acked-by: Huisong Li <lihuisong@huawei.com>

> +		return;
> +	}
> +
>   	printf("RSS functions:\n");
>   	rss_types_display(rss_hf, TESTPMD_RSS_TYPES_CHAR_NUM_PER_LINE);
> +
>   	if (!show_rss_key)
>   		return;
>   	printf("RSS key:\n");
> diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
> index 09a36b90b806..9b10a9ea1cf2 100644
> --- a/app/test-pmd/testpmd.h
> +++ b/app/test-pmd/testpmd.h
> @@ -1153,7 +1153,7 @@ int set_vf_rate_limit(portid_t port_id, uint16_t vf, uint32_t rate,
>   int set_rxq_avail_thresh(portid_t port_id, uint16_t queue_id,
>   			 uint8_t avail_thresh);
>   
> -void port_rss_hash_conf_show(portid_t port_id, int show_rss_key);
> +void port_rss_hash_conf_show(portid_t port_id, int show_rss_key, int show_rss_algo);
>   void port_rss_hash_key_update(portid_t port_id, char rss_type[],
>   			      uint8_t *hash_key, uint8_t hash_key_len);
>   int rx_queue_id_is_invalid(queueid_t rxq_id);