@@ -48,6 +48,9 @@
#define STATS_BDR_STR(w, s) printf("%.*s%s%.*s\n", w, \
STATS_BDR_FMT, s, w, STATS_BDR_FMT)
+typedef int (*desc_dump_t)(FILE *file, uint16_t port_id, uint16_t queue_id,
+ uint16_t desc_id);
+
/**< mask of enabled ports */
static unsigned long enabled_port_mask;
/**< Enable stats. */
@@ -100,6 +103,12 @@ static char *mempool_iter_name;
/**< Enable dump regs. */
static uint32_t enable_dump_regs;
static char *dump_regs_file_prefix;
+/**< Enable dump buffer descriptor. */
+#define MAX_NB_ITEM 2
+static uint16_t rx_nb_item;
+static uint16_t tx_nb_item;
+static uint16_t rx_item_opt[MAX_NB_ITEM];
+static uint16_t tx_item_opt[MAX_NB_ITEM];
/**< display usage */
static void
@@ -127,6 +136,8 @@ proc_info_usage(const char *prgname)
" --show-crypto: to display crypto information\n"
" --show-ring[=name]: to display ring information\n"
" --show-mempool[=name]: to display mempool information\n"
+ " --show-rx-descriptor queue_id:descriptor_id: to display ports Rx buffer description by queue id and descriptor id\n"
+ " --show-tx-descriptor queue_id:descriptor_id: to display ports Tx buffer description by queue id and descriptor id\n"
" --iter-mempool=name: iterate mempool elements to display content\n"
" --dump-regs=file-prefix: dump registers to file with the file-prefix\n",
prgname);
@@ -179,6 +190,34 @@ parse_xstats_ids(char *list, uint64_t *ids, int limit) {
return length;
}
+/*
+ * Parse ids value list into array
+ */
+static int
+parse_descriptor_param(char *list, uint16_t *item_opt, int limit)
+{
+ int length;
+ char *token;
+ char *ctx = NULL;
+ char *endptr;
+
+ length = 0;
+ token = strtok_r(list, ":", &ctx);
+ while (token != NULL) {
+ item_opt[length] = strtoul(token, &endptr, 10);
+ if (*endptr != '\0')
+ return -EINVAL;
+
+ length++;
+ if (length > limit)
+ return -E2BIG;
+
+ token = strtok_r(NULL, ":", &ctx);
+ }
+
+ return length;
+}
+
static int
proc_info_preparse_args(int argc, char **argv)
{
@@ -238,6 +277,8 @@ proc_info_parse_args(int argc, char **argv)
{"show-mempool", optional_argument, NULL, 0},
{"iter-mempool", required_argument, NULL, 0},
{"dump-regs", required_argument, NULL, 0},
+ {"show-rx-descriptor", required_argument, NULL, 1},
+ {"show-tx-descriptor", required_argument, NULL, 1},
{NULL, 0, 0, 0}
};
@@ -327,6 +368,26 @@ proc_info_parse_args(int argc, char **argv)
return -1;
}
nb_xstats_ids = ret;
+ } else if (!strncmp(long_option[option_index].name,
+ "show-rx-descriptor", MAX_LONG_OPT_SZ)) {
+ int ret = parse_descriptor_param(optarg,
+ rx_item_opt,
+ MAX_NB_ITEM);
+ if (ret < MAX_NB_ITEM) {
+ printf("Rx descriptor param parse error.\n");
+ return -1;
+ }
+ rx_nb_item = ret;
+ } else if (!strncmp(long_option[option_index].name,
+ "show-tx-descriptor", MAX_LONG_OPT_SZ)) {
+ int ret = parse_descriptor_param(optarg,
+ tx_item_opt,
+ MAX_NB_ITEM);
+ if (ret < MAX_NB_ITEM) {
+ printf("Tx descriptor param parse error.\n");
+ return -1;
+ }
+ tx_nb_item = ret;
}
break;
default:
@@ -1450,6 +1511,20 @@ dump_regs(char *file_prefix)
}
}
+static void
+nic_descriptor_display(uint16_t port_id, uint16_t *item_opt,
+ desc_dump_t desc_dump)
+{
+ static const char *nic_desc_border = "###";
+ uint16_t queue_id = item_opt[0];
+ uint16_t desc_id = item_opt[1];
+
+ printf("%s NIC descriptor for port %u %s\n",
+ nic_desc_border, port_id, nic_desc_border);
+
+ desc_dump(stdout, port_id, queue_id, desc_id);
+}
+
int
main(int argc, char **argv)
{
@@ -1533,6 +1608,12 @@ main(int argc, char **argv)
else if (nb_xstats_ids > 0)
nic_xstats_by_ids_display(i, xstats_ids,
nb_xstats_ids);
+ else if (rx_nb_item > 0)
+ nic_descriptor_display(i, rx_item_opt,
+ rte_eth_rx_hw_desc_dump);
+ else if (tx_nb_item > 0)
+ nic_descriptor_display(i, tx_item_opt,
+ rte_eth_tx_hw_desc_dump);
#ifdef RTE_LIB_METRICS
else if (enable_metrics)
metrics_display(i);