Function rte_flow_conv

dpdk/lib/ethdev/rte_flow.c:1097–1155

Helper function to convert flow API objects. */

/** Helper function to convert flow API objects. */
int
rte_flow_conv(enum rte_flow_conv_op op,
	      void *dst,
	      size_t size,
	      const void *src,
	      struct rte_flow_error *error)
{
	int ret;

	switch (op) {
		const struct rte_flow_attr *attr;

	case RTE_FLOW_CONV_OP_NONE:
		ret = 0;
		break;
	case RTE_FLOW_CONV_OP_ATTR:
		attr = src;
		if (size > sizeof(*attr))
			size = sizeof(*attr);
		rte_memcpy(dst, attr, size);
		ret = sizeof(*attr);
		break;
	case RTE_FLOW_CONV_OP_ITEM:
		ret = rte_flow_conv_pattern(dst, size, src, 1, error);
		break;
	case RTE_FLOW_CONV_OP_ACTION:
		ret = rte_flow_conv_actions(dst, size, src, 1, error);
		break;
	case RTE_FLOW_CONV_OP_PATTERN:
		ret = rte_flow_conv_pattern(dst, size, src, 0, error);
		break;
	case RTE_FLOW_CONV_OP_ACTIONS:
		ret = rte_flow_conv_actions(dst, size, src, 0, error);
		break;
	case RTE_FLOW_CONV_OP_RULE:
		ret = rte_flow_conv_rule(dst, size, src, error);
		break;
	case RTE_FLOW_CONV_OP_ITEM_NAME:
		ret = rte_flow_conv_name(0, 0, dst, size, src, error);
		break;
	case RTE_FLOW_CONV_OP_ACTION_NAME:
		ret = rte_flow_conv_name(1, 0, dst, size, src, error);
		break;
	case RTE_FLOW_CONV_OP_ITEM_NAME_PTR:
		ret = rte_flow_conv_name(0, 1, dst, size, src, error);
		break;
	case RTE_FLOW_CONV_OP_ACTION_NAME_PTR:
		ret = rte_flow_conv_name(1, 1, dst, size, src, error);
		break;
	default:
		ret = rte_flow_error_set
		(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
		 "unknown object conversion operation");
	}

	rte_flow_trace_conv(op, dst, size, src, ret);

	return ret;