void
nic_xstats_display(portid_t port_id)
{
- struct rte_eth_xstats *xstats;
- int len, ret, i;
+ struct rte_eth_xstat *xstats;
+ int cnt_xstats, idx_xstat, idx_name;
+ struct rte_eth_xstat_name *xstats_names;
printf("###### NIC extended statistics for port %-2d\n", port_id);
+ if (!rte_eth_dev_is_valid_port(port_id)) {
+ printf("Error: Invalid port number %i\n", port_id);
+ return;
+ }
+
+ /* Get count */
+ cnt_xstats = rte_eth_xstats_get_names(port_id, NULL, 0);
+ if (cnt_xstats < 0) {
+ printf("Error: Cannot get count of xstats\n");
+ return;
+ }
- len = rte_eth_xstats_get(port_id, NULL, 0);
- if (len < 0) {
- printf("Cannot get xstats count\n");
+ /* Get id-name lookup table */
+ xstats_names = malloc(sizeof(struct rte_eth_xstat_name) * cnt_xstats);
+ if (xstats_names == NULL) {
+ printf("Cannot allocate memory for xstats lookup\n");
return;
}
- xstats = malloc(sizeof(xstats[0]) * len);
+ if (cnt_xstats != rte_eth_xstats_get_names(
+ port_id, xstats_names, cnt_xstats)) {
+ printf("Error: Cannot get xstats lookup\n");
+ return;
+ }
+
+ /* Get stats themselves */
+ xstats = malloc(sizeof(struct rte_eth_xstat) * cnt_xstats);
if (xstats == NULL) {
printf("Cannot allocate memory for xstats\n");
+ free(xstats_names);
return;
}
- ret = rte_eth_xstats_get(port_id, xstats, len);
- if (ret < 0 || ret > len) {
- printf("Cannot get xstats\n");
- free(xstats);
+ if (cnt_xstats != rte_eth_xstats_get(port_id, xstats, cnt_xstats)) {
+ printf("Error: Unable to get xstats\n");
return;
}
- for (i = 0; i < len; i++)
- printf("%s: %"PRIu64"\n", xstats[i].name, xstats[i].value);
+
+ /* Display xstats */
+ for (idx_xstat = 0; idx_xstat < cnt_xstats; idx_xstat++)
+ for (idx_name = 0; idx_name < cnt_xstats; idx_name++)
+ if (xstats_names[idx_name].id == xstats[idx_xstat].id) {
+ printf("%s: %"PRIu64"\n",
+ xstats_names[idx_name].name,
+ xstats[idx_xstat].value);
+ break;
+ }
+ free(xstats_names);
free(xstats);
}