app/testpmd: support checking descriptor status

Adding support to check TX and RX descriptor status.

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 85fdb4c..48627c8 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -240,6 +240,9 @@ static void cmd_help_long_parsed(void *parsed_result,
 
                        "show device info (<identifier>|all)"
                        "       Show general information about devices probed.\n\n"
+
+                       "show port (port_id) rxq|txq (queue_id) desc (desc_id) status"
+                       "       Show status of rx|tx descriptor.\n\n"
                );
        }
 
@@ -18916,6 +18919,102 @@ cmdline_parse_inst_t cmd_show_port_supported_ptypes = {
        },
 };
 
+/* *** display rx/tx descriptor status *** */
+struct cmd_show_rx_tx_desc_status_result {
+       cmdline_fixed_string_t cmd_show;
+       cmdline_fixed_string_t cmd_port;
+       cmdline_fixed_string_t cmd_keyword;
+       cmdline_fixed_string_t cmd_desc;
+       cmdline_fixed_string_t cmd_status;
+       portid_t cmd_pid;
+       portid_t cmd_qid;
+       portid_t cmd_did;
+};
+
+static void
+cmd_show_rx_tx_desc_status_parsed(void *parsed_result,
+               __attribute__((unused)) struct cmdline *cl,
+               __attribute__((unused)) void *data)
+{
+       struct cmd_show_rx_tx_desc_status_result *res = parsed_result;
+       int rc;
+
+       if (!rte_eth_dev_is_valid_port(res->cmd_pid)) {
+               printf("invalid port id %u\n", res->cmd_pid);
+               return;
+       }
+
+       if (!strcmp(res->cmd_keyword, "rxq")) {
+               rc = rte_eth_rx_descriptor_status(res->cmd_pid, res->cmd_qid,
+                                            res->cmd_did);
+               if (rc < 0) {
+                       printf("Invalid queueid = %d\n", res->cmd_qid);
+                       return;
+               }
+               if (rc == RTE_ETH_RX_DESC_AVAIL)
+                       printf("Desc status = AVAILABLE\n");
+               else if (rc == RTE_ETH_RX_DESC_DONE)
+                       printf("Desc status = DONE\n");
+               else
+                       printf("Desc status = UNAVAILABLE\n");
+       } else if (!strcmp(res->cmd_keyword, "txq")) {
+               rc = rte_eth_tx_descriptor_status(res->cmd_pid, res->cmd_qid,
+                                            res->cmd_did);
+               if (rc < 0) {
+                       printf("Invalid queueid = %d\n", res->cmd_qid);
+                       return;
+               }
+               if (rc == RTE_ETH_TX_DESC_FULL)
+                       printf("Desc status = FULL\n");
+               else if (rc == RTE_ETH_TX_DESC_DONE)
+                       printf("Desc status = DONE\n");
+               else
+                       printf("Desc status = UNAVAILABLE\n");
+       }
+}
+
+cmdline_parse_token_string_t cmd_show_rx_tx_desc_status_show =
+       TOKEN_STRING_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_show, "show");
+cmdline_parse_token_string_t cmd_show_rx_tx_desc_status_port =
+       TOKEN_STRING_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_port, "port");
+cmdline_parse_token_num_t cmd_show_rx_tx_desc_status_pid =
+       TOKEN_NUM_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_pid, UINT16);
+cmdline_parse_token_string_t cmd_show_rx_tx_desc_status_keyword =
+       TOKEN_STRING_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_keyword, "rxq#txq");
+cmdline_parse_token_num_t cmd_show_rx_tx_desc_status_qid =
+       TOKEN_NUM_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_qid, UINT16);
+cmdline_parse_token_string_t cmd_show_rx_tx_desc_status_desc =
+       TOKEN_STRING_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_desc, "desc");
+cmdline_parse_token_num_t cmd_show_rx_tx_desc_status_did =
+       TOKEN_NUM_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_did, UINT16);
+cmdline_parse_token_string_t cmd_show_rx_tx_desc_status_status =
+       TOKEN_STRING_INITIALIZER(struct cmd_show_rx_tx_desc_status_result,
+                       cmd_status, "status");
+cmdline_parse_inst_t cmd_show_rx_tx_desc_status = {
+       .f = cmd_show_rx_tx_desc_status_parsed,
+       .data = NULL,
+       .help_str = "show port <port_id> rxq|txq <queue_id> desc <desc_id> "
+               "status",
+       .tokens = {
+               (void *)&cmd_show_rx_tx_desc_status_show,
+               (void *)&cmd_show_rx_tx_desc_status_port,
+               (void *)&cmd_show_rx_tx_desc_status_pid,
+               (void *)&cmd_show_rx_tx_desc_status_keyword,
+               (void *)&cmd_show_rx_tx_desc_status_qid,
+               (void *)&cmd_show_rx_tx_desc_status_desc,
+               (void *)&cmd_show_rx_tx_desc_status_did,
+               (void *)&cmd_show_rx_tx_desc_status_status,
+               NULL,
+       },
+};
+
 /* ******************************************************************************** */
 
 /* list of instructions */
@@ -19205,6 +19304,7 @@ cmdline_parse_ctx_t main_ctx[] = {
 #endif
        (cmdline_parse_inst_t *)&cmd_config_tx_metadata_specific,
        (cmdline_parse_inst_t *)&cmd_show_tx_metadata,
+       (cmdline_parse_inst_t *)&cmd_show_rx_tx_desc_status,
        (cmdline_parse_inst_t *)&cmd_set_raw,
        (cmdline_parse_inst_t *)&cmd_show_set_raw,
        (cmdline_parse_inst_t *)&cmd_show_set_raw_all,

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index c68a742..9a5e5cb 100644 (file)
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -252,6 +252,14 @@ Display information for a given port's RX/TX queue::
 
    testpmd> show (rxq|txq) info (port_id) (queue_id)
 
+show desc status(rxq|txq)
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Display information for a given port's RX/TX descriptor status::
+
+   testpmd> show port (port_id) (rxq|txq) (queue_id) desc (desc_id) status
+
+
 show config
 ~~~~~~~~~~~