+static int ftag_check_handler(__rte_unused const char *key,
+ const char *value, __rte_unused void *opaque)
+{
+ if (strcmp(value, "1"))
+ return -1;
+
+ return 0;
+}
+
+static int
+fm10k_check_ftag(struct rte_devargs *devargs)
+{
+ struct rte_kvargs *kvlist;
+ const char *ftag_key = "enable_ftag";
+
+ if (devargs == NULL)
+ return 0;
+
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (kvlist == NULL)
+ return 0;
+
+ if (!rte_kvargs_count(kvlist, ftag_key)) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+ /* FTAG is enabled when there's key-value pair: enable_ftag=1 */
+ if (rte_kvargs_process(kvlist, ftag_key,
+ ftag_check_handler, NULL) < 0) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+ rte_kvargs_free(kvlist);
+
+ return 1;
+}
+