Add support for querying the count of ready descriptors on a
receive queue in order to allow the rte_eth_dev rx_queue_count()
API to be exercised and tested.
Signed-off-by: Lance Richardson <lance.richard...@broadcom.com>
---
app/test-pmd/cmdline.c | 83 +++++++++++++++++++++
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 7 ++
2 files changed, 90 insertions(+)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 59722d268..821dd3d77 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -16699,6 +16699,88 @@ cmdline_parse_inst_t cmd_show_rx_tx_desc_status = {
},
};
+/* *** display rx queue desc used count *** */
+struct cmd_show_rx_queue_desc_used_count_result {
+ cmdline_fixed_string_t cmd_show;
+ cmdline_fixed_string_t cmd_port;
+ cmdline_fixed_string_t cmd_rxq;
+ cmdline_fixed_string_t cmd_desc;
+ cmdline_fixed_string_t cmd_used;
+ cmdline_fixed_string_t cmd_count;
+ portid_t cmd_pid;
+ portid_t cmd_qid;
+};
+
+static void
+cmd_show_rx_queue_desc_used_count_parsed(void *parsed_result,
+ __rte_unused struct cmdline *cl,
+ __rte_unused void *data)
+{
+ struct cmd_show_rx_queue_desc_used_count_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;
+ }
+
+ rc = rte_eth_rx_queue_count(res->cmd_pid, res->cmd_qid);
+ if (rc < 0) {
+ printf("Invalid queueid = %d\n", res->cmd_qid);
+ return;
+ }
+ printf("Used desc count = %d\n", rc);
+}
+
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_show =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_show, "show");
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_port =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_port, "port");
+cmdline_parse_token_num_t cmd_show_rx_queue_desc_used_count_pid =
+ TOKEN_NUM_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_pid, RTE_UINT16);
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_rxq =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_rxq, "rxq");
+cmdline_parse_token_num_t cmd_show_rx_queue_desc_used_count_qid =
+ TOKEN_NUM_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_qid, RTE_UINT16);
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_desc =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_count, "desc");
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_used =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_count, "used");
+cmdline_parse_token_string_t cmd_show_rx_queue_desc_used_count_count =
+ TOKEN_STRING_INITIALIZER
+ (struct cmd_show_rx_queue_desc_used_count_result,
+ cmd_count, "count");
+cmdline_parse_inst_t cmd_show_rx_queue_count = {
+ .f = cmd_show_rx_queue_desc_used_count_parsed,
+ .data = NULL,
+ .help_str = "show port <port_id> rxq <queue_id> desc used count",
+ .tokens = {
+ (void *)&cmd_show_rx_queue_desc_used_count_show,
+ (void *)&cmd_show_rx_queue_desc_used_count_port,
+ (void *)&cmd_show_rx_queue_desc_used_count_pid,
+ (void *)&cmd_show_rx_queue_desc_used_count_rxq,
+ (void *)&cmd_show_rx_queue_desc_used_count_qid,
+ (void *)&cmd_show_rx_queue_desc_used_count_desc,
+ (void *)&cmd_show_rx_queue_desc_used_count_used,
+ (void *)&cmd_show_rx_queue_desc_used_count_count,
+ NULL,
+ },
+};
+
/* Common result structure for set port ptypes */
struct cmd_set_port_ptypes_result {
cmdline_fixed_string_t set;
@@ -17098,6 +17180,7 @@ cmdline_parse_ctx_t main_ctx[] = {
(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_show_rx_queue_count,
(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 a45910b81..703dead0c 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -266,6 +266,13 @@ 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 rxq desc used count
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+Display the number of receive packet descriptors currently filled by hardware
+and ready to be processed by the driver on a given RX queue::
+
+ testpmd> show port (port_id) rxq (queue_id) desc used count
show config
~~~~~~~~~~~
--
2.25.1
