Function mlx4_args

dpdk/drivers/net/mlx4/mlx4.c:577–611

* Parse device parameters. * * @param devargs * Device arguments structure. * * @return * 0 on success, negative errno value otherwise and rte_errno is set. */

 *   0 on success, negative errno value otherwise and rte_errno is set.
 */
static int
mlx4_args(struct rte_devargs *devargs, struct mlx4_conf *conf)
{
	struct rte_kvargs *kvlist;
	unsigned int arg_count;
	int ret = 0;
	int i;

	if (devargs == NULL)
		return 0;
	kvlist = rte_kvargs_parse(devargs->args, pmd_mlx4_init_params);
	if (kvlist == NULL) {
		rte_errno = EINVAL;
		ERROR("failed to parse kvargs");
		return -rte_errno;
	}
	/* Process parameters. */
	for (i = 0; pmd_mlx4_init_params[i]; ++i) {
		arg_count = rte_kvargs_count(kvlist, pmd_mlx4_init_params[i]);
		while (arg_count-- > 0) {
			ret = rte_kvargs_process(kvlist,
						 pmd_mlx4_init_params[i],
						 (int (*)(const char *,
							  const char *,
							  void *))
						 mlx4_arg_parse,
						 conf);
			if (ret != 0)
				goto free_kvlist;
		}
	}
free_kvlist:
	rte_kvargs_free(kvlist);
	return ret;
}

/**
 * Interpret RSS capabilities reported by device.