[dpdk-dev] [PATCH v6 1/5] ethdev: add access to eeprom
Zijie Pan
zijie.pan at 6wind.com
Wed Apr 25 12:01:51 CEST 2018
add new APIs:
- rte_eth_dev_get_module_info
- rte_eth_dev_get_module_eeprom
Signed-off-by: Zijie Pan <zijie.pan at 6wind.com>
Acked-by: Remy Horton <remy.horton at intel.com>
---
Cc: remy.horton at intel.com
Cc: john.mcnamara at intel.com
Cc: marko.kovacevic at intel.com
Cc: thomas at monjalon.net
doc/guides/nics/features.rst | 11 ++++++++
lib/librte_ether/rte_dev_info.h | 18 +++++++++++++
lib/librte_ether/rte_ethdev.c | 26 +++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 43 +++++++++++++++++++++++++++++++
lib/librte_ether/rte_ethdev_core.h | 12 +++++++++
lib/librte_ether/rte_ethdev_version.map | 2 ++
6 files changed, 112 insertions(+)
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index 1b4fb97..bb183e2 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -749,6 +749,17 @@ Supports getting/setting device eeprom data.
``rte_eth_dev_set_eeprom()``.
+.. _nic_features_module_eeprom_dump:
+
+Module EEPROM dump
+------------------
+
+Supports getting information and data of plugin module eeprom.
+
+* **[implements] eth_dev_ops**: ``get_module_info``, ``get_module_eeprom``.
+* **[related] API**: ``rte_eth_dev_get_module_info()``, ``rte_eth_dev_get_module_eeprom()``.
+
+
.. _nic_features_register_dump:
Registers dump
diff --git a/lib/librte_ether/rte_dev_info.h b/lib/librte_ether/rte_dev_info.h
index 6b68584..fea5da8 100644
--- a/lib/librte_ether/rte_dev_info.h
+++ b/lib/librte_ether/rte_dev_info.h
@@ -28,4 +28,22 @@ struct rte_dev_eeprom_info {
uint32_t magic; /**< Device-specific key, such as device-id */
};
+/**
+ * Placeholder for accessing plugin module eeprom
+ */
+struct rte_eth_dev_module_info {
+ uint32_t type; /**< Type of plugin module eeprom */
+ uint32_t eeprom_len; /**< Length of plugin module eeprom */
+};
+
+/* EEPROM Standards for plug in modules */
+#define RTE_ETH_MODULE_SFF_8079 0x1
+#define RTE_ETH_MODULE_SFF_8079_LEN 256
+#define RTE_ETH_MODULE_SFF_8472 0x2
+#define RTE_ETH_MODULE_SFF_8472_LEN 512
+#define RTE_ETH_MODULE_SFF_8636 0x3
+#define RTE_ETH_MODULE_SFF_8636_LEN 256
+#define RTE_ETH_MODULE_SFF_8436 0x4
+#define RTE_ETH_MODULE_SFF_8436_LEN 256
+
#endif /* _RTE_DEV_INFO_H_ */
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 7821a88..100cbd8 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -3947,6 +3947,32 @@ int rte_eth_set_queue_rate_limit(uint16_t port_id, uint16_t queue_idx,
return eth_err(port_id, (*dev->dev_ops->set_eeprom)(dev, info));
}
+int __rte_experimental
+rte_eth_dev_get_module_info(uint16_t port_id,
+ struct rte_eth_dev_module_info *modinfo)
+{
+ struct rte_eth_dev *dev;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+
+ dev = &rte_eth_devices[port_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_info, -ENOTSUP);
+ return (*dev->dev_ops->get_module_info)(dev, modinfo);
+}
+
+int __rte_experimental
+rte_eth_dev_get_module_eeprom(uint16_t port_id,
+ struct rte_dev_eeprom_info *info)
+{
+ struct rte_eth_dev *dev;
+
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+
+ dev = &rte_eth_devices[port_id];
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->get_module_eeprom, -ENOTSUP);
+ return (*dev->dev_ops->get_module_eeprom)(dev, info);
+}
+
int
rte_eth_dev_get_dcb_info(uint16_t port_id,
struct rte_eth_dcb_info *dcb_info)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 7e4e57b..4852246 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3311,6 +3311,49 @@ int rte_eth_tx_queue_info_get(uint16_t port_id, uint16_t queue_id,
int rte_eth_dev_set_eeprom(uint16_t port_id, struct rte_dev_eeprom_info *info);
/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Retrieve the type and size of plugin module EEPROM
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param modinfo
+ * The type and size of plugin module EEPROM.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EIO) if device is removed.
+ * - others depends on the specific operations implementation.
+ */
+int __rte_experimental
+rte_eth_dev_get_module_info(uint16_t port_id,
+ struct rte_eth_dev_module_info *modinfo);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Retrieve the data of plugin module EEPROM
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param info
+ * The template includes the plugin module EEPROM attributes, and the
+ * buffer for return plugin module EEPROM data.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EIO) if device is removed.
+ * - others depends on the specific operations implementation.
+ */
+int __rte_experimental
+rte_eth_dev_get_module_eeprom(uint16_t port_id,
+ struct rte_dev_eeprom_info *info);
+
+/**
* Set the list of multicast addresses to filter on an Ethernet device.
*
* @param port_id
diff --git a/lib/librte_ether/rte_ethdev_core.h b/lib/librte_ether/rte_ethdev_core.h
index 55eb2b0..33d12b3 100644
--- a/lib/librte_ether/rte_ethdev_core.h
+++ b/lib/librte_ether/rte_ethdev_core.h
@@ -337,6 +337,14 @@ typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *info);
/**< @internal Program eeprom data */
+typedef int (*eth_get_module_info_t)(struct rte_eth_dev *dev,
+ struct rte_eth_dev_module_info *modinfo);
+/**< @internal Retrieve type and size of plugin module eeprom */
+
+typedef int (*eth_get_module_eeprom_t)(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info);
+/**< @internal Retrieve plugin module eeprom data */
+
typedef int (*eth_l2_tunnel_eth_type_conf_t)
(struct rte_eth_dev *dev, struct rte_eth_l2_tunnel_conf *l2_tunnel);
/**< @internal config l2 tunnel ether type */
@@ -467,6 +475,10 @@ struct eth_dev_ops {
eth_get_eeprom_t get_eeprom; /**< Get eeprom data. */
eth_set_eeprom_t set_eeprom; /**< Set eeprom. */
+ eth_get_module_info_t get_module_info;
+ /** Get plugin module eeprom attribute. */
+ eth_get_module_eeprom_t get_module_eeprom;
+ /** Get plugin module eeprom data. */
eth_filter_ctrl_t filter_ctrl; /**< common filter control. */
diff --git a/lib/librte_ether/rte_ethdev_version.map b/lib/librte_ether/rte_ethdev_version.map
index 8fe0788..b8e7566 100644
--- a/lib/librte_ether/rte_ethdev_version.map
+++ b/lib/librte_ether/rte_ethdev_version.map
@@ -208,6 +208,8 @@ EXPERIMENTAL {
rte_eth_dev_count_avail;
rte_eth_dev_count_total;
+ rte_eth_dev_get_module_info;
+ rte_eth_dev_get_module_eeprom;
rte_eth_dev_is_removed;
rte_eth_dev_owner_delete;
rte_eth_dev_owner_get;
--
1.7.10.4
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