[dpdk-dev,3/5] net/i40e: add new functions to manipulate with pctype mapping table
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Commit Message
Add new functions which allow modify, return or reset to default
the contents of flow type to pctype dynamic mapping table.
Signed-off-by: Kirill Rybalchenko <kirill.rybalchenko@intel.com>
---
drivers/net/i40e/rte_pmd_i40e.c | 98 +++++++++++++++++++++++++++++++++++++++++
drivers/net/i40e/rte_pmd_i40e.h | 60 +++++++++++++++++++++++++
2 files changed, 158 insertions(+)
@@ -2117,3 +2117,101 @@ int rte_pmd_i40e_ptype_mapping_replace(uint8_t port,
return 0;
}
+
+int rte_pmd_i40e_flow_type_mapping_reset(uint8_t port)
+{
+ struct rte_eth_dev *dev;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+ dev = &rte_eth_devices[port];
+
+ if (!is_i40e_supported(dev))
+ return -ENOTSUP;
+
+ i40e_set_default_pctype_table(dev);
+
+ return 0;
+}
+
+int rte_pmd_i40e_flow_type_mapping_get(
+ uint8_t port,
+ struct rte_pmd_i40e_flow_type_mapping *mapping_items,
+ uint16_t size,
+ uint16_t *count,
+ uint8_t valid_only)
+{
+ struct rte_eth_dev *dev;
+ struct i40e_adapter *ad;
+ int n = 0;
+ uint16_t i;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+ dev = &rte_eth_devices[port];
+
+ if (!is_i40e_supported(dev))
+ return -ENOTSUP;
+
+ ad = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+
+ for (i = 0; i < I40E_FLOW_TYPE_MAX; i++) {
+ if (n >= size)
+ break;
+ if (valid_only && ad->pcypes_tbl[i] == 0ULL)
+ continue;
+ mapping_items[n].flow_type = i;
+ mapping_items[n].pctype = ad->pcypes_tbl[i];
+ n++;
+ }
+
+ *count = n;
+ return 0;
+}
+
+int
+rte_pmd_i40e_flow_type_mapping_update(
+ uint8_t port,
+ struct rte_pmd_i40e_flow_type_mapping *mapping_items,
+ uint16_t count,
+ uint8_t exclusive)
+{
+ struct rte_eth_dev *dev;
+ struct i40e_adapter *ad;
+ int i;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+ dev = &rte_eth_devices[port];
+
+ if (!is_i40e_supported(dev))
+ return -ENOTSUP;
+
+ if (count > I40E_FLOW_TYPE_MAX)
+ return -EINVAL;
+
+ for (i = 0; i < count; i++)
+ if (mapping_items[i].flow_type >= I40E_FLOW_TYPE_MAX)
+ return -EINVAL;
+
+ ad = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+
+ if (exclusive) {
+ for (i = 0; i < I40E_FLOW_TYPE_MAX; i++)
+ ad->pcypes_tbl[i] = 0ULL;
+ ad->flow_types_msk = 0ULL;
+ }
+
+ for (i = 0; i < count; i++) {
+ ad->pcypes_tbl[mapping_items[i].flow_type] = mapping_items[i].pctype;
+ if (mapping_items[i].pctype)
+ ad->flow_types_msk |= (1ULL << mapping_items[i].flow_type);
+ else
+ ad->flow_types_msk &= ~(1ULL << mapping_items[i].flow_type);
+ }
+
+ for (i = 0, ad->pctypes_msk = 0ULL; i < I40E_FLOW_TYPE_MAX; i++)
+ ad->pctypes_msk |= ad->pcypes_tbl[i];
+
+ return 0;
+}
@@ -637,4 +637,64 @@ int rte_pmd_i40e_ptype_mapping_replace(uint8_t port,
uint8_t mask,
uint32_t pkt_type);
+struct rte_pmd_i40e_flow_type_mapping {
+ uint8_t flow_type; /**< software defined flow type*/
+ uint64_t pctype; /**< hardware defined pctype */
+};
+
+/**
+ * Update hardware defined pctype to software defined flow type
+ * mapping table.
+ *
+ * @param port
+ * pointer to port identifier of the device.
+ * @param mapping_items
+ * the base address of the mapping items array.
+ * @param count
+ * number of mapping items.
+ * @param exclusive
+ * the flag indicate different ptype mapping update method.
+ * -(0) only overwrite referred PTYPE mapping,
+ * keep other PTYPEs mapping unchanged.
+ * -(!0) overwrite referred PTYPE mapping,
+ * set other PTYPEs maps to PTYPE_UNKNOWN.
+ */
+int rte_pmd_i40e_flow_type_mapping_update(
+ uint8_t port,
+ struct rte_pmd_i40e_flow_type_mapping *mapping_items,
+ uint16_t count,
+ uint8_t exclusive);
+
+/**
+ * Get software defined flow type to hardware defined pctype
+ * mapping items.
+ *
+ * @param port
+ * pointer to port identifier of the device.
+ * @param mapping_items
+ * the base address of the array to store returned items.
+ * @param size
+ * the size of the input array.
+ * @param count
+ * the place to store the number of returned items.
+ * @param valid_only
+ * -(0) return full mapping table.
+ * -(!0) only return mapping items which flow_type != RTE_ETH_FLOW_UNKNOWN.
+ */
+int rte_pmd_i40e_flow_type_mapping_get(
+ uint8_t port,
+ struct rte_pmd_i40e_flow_type_mapping *mapping_items,
+ uint16_t size,
+ uint16_t *count,
+ uint8_t valid_only);
+
+/**
+ * Reset hardware defined pctype to software defined flow type
+ * mapping table to default.
+ *
+ * @param port
+ * pointer to port identifier of the device
+ */
+int rte_pmd_i40e_flow_type_mapping_reset(uint8_t port);
+
#endif /* _PMD_I40E_H_ */