typedef int (*eth_is_removed_t)(struct rte_eth_dev *dev);
/**< @internal Function used to detect an Ethernet device removal. */
-typedef void (*eth_promiscuous_enable_t)(struct rte_eth_dev *dev);
-/**< @internal Function used to enable the RX promiscuous mode of an Ethernet device. */
+/**
+ * @internal
+ * Function used to enable the Rx promiscuous mode of an Ethernet device.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, promiscuous mode is enabled.
+ * @retval -ENOTSUP
+ * Promiscuous mode is not supported.
+ * @retval -ENODEV
+ * Device is gone.
+ * @retval -E_RTE_SECONDARY
+ * Function was called from a secondary process instance and not supported.
+ * @retval -ETIMEDOUT
+ * Attempt to enable promiscuos mode failed because of timeout.
+ * @retval -EAGAIN
+ * Failed to enable promiscuous mode.
+ */
+typedef int (*eth_promiscuous_enable_t)(struct rte_eth_dev *dev);
-typedef void (*eth_promiscuous_disable_t)(struct rte_eth_dev *dev);
-/**< @internal Function used to disable the RX promiscuous mode of an Ethernet device. */
+/**
+ * @internal
+ * Function used to disable the Rx promiscuous mode of an Ethernet device.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, promiscuous mode is disabled.
+ * @retval -ENOTSUP
+ * Promiscuous mode disabling is not supported.
+ * @retval -ENODEV
+ * Device is gone.
+ * @retval -E_RTE_SECONDARY
+ * Function was called from a secondary process instance and not supported.
+ * @retval -ETIMEDOUT
+ * Attempt to disable promiscuos mode failed because of timeout.
+ * @retval -EAGAIN
+ * Failed to disable promiscuous mode.
+ */
+typedef int (*eth_promiscuous_disable_t)(struct rte_eth_dev *dev);
-typedef void (*eth_allmulticast_enable_t)(struct rte_eth_dev *dev);
-/**< @internal Enable the receipt of all multicast packets by an Ethernet device. */
+/**
+ * @internal
+ * Enable the receipt of all multicast packets by an Ethernet device.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, all-multicast mode is enabled.
+ * @retval -ENOTSUP
+ * All-multicast mode is not supported.
+ * @retval -ENODEV
+ * Device is gone.
+ * @retval -E_RTE_SECONDARY
+ * Function was called from a secondary process instance and not supported.
+ * @retval -ETIMEDOUT
+ * Attempt to enable all-multicast mode failed because of timeout.
+ * @retval -EAGAIN
+ * Failed to enable all-multicast mode.
+ */
+typedef int (*eth_allmulticast_enable_t)(struct rte_eth_dev *dev);
-typedef void (*eth_allmulticast_disable_t)(struct rte_eth_dev *dev);
-/**< @internal Disable the receipt of all multicast packets by an Ethernet device. */
+/**
+ * @internal
+ * Disable the receipt of all multicast packets by an Ethernet device.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, all-multicast mode is disabled.
+ * @retval -ENOTSUP
+ * All-multicast mode disabling is not supported.
+ * @retval -ENODEV
+ * Device is gone.
+ * @retval -E_RTE_SECONDARY
+ * Function was called from a secondary process instance and not supported.
+ * @retval -ETIMEDOUT
+ * Attempt to disable all-multicast mode failed because of timeout.
+ * @retval -EAGAIN
+ * Failed to disable all-multicast mode.
+ */
+typedef int (*eth_allmulticast_disable_t)(struct rte_eth_dev *dev);
typedef int (*eth_link_update_t)(struct rte_eth_dev *dev,
int wait_to_complete);
struct rte_eth_stats *igb_stats);
/**< @internal Get global I/O statistics of an Ethernet device. */
-typedef void (*eth_stats_reset_t)(struct rte_eth_dev *dev);
-/**< @internal Reset global I/O statistics of an Ethernet device to 0. */
+/**
+ * @internal
+ * Reset global I/O statistics of an Ethernet device to 0.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, statistics has been reset.
+ * @retval -ENOTSUP
+ * Resetting statistics is not supported.
+ * @retval -EINVAL
+ * Resetting statistics is not valid.
+ * @retval -ENOMEM
+ * Not enough memory to get the stats.
+ */
+typedef int (*eth_stats_reset_t)(struct rte_eth_dev *dev);
typedef int (*eth_xstats_get_t)(struct rte_eth_dev *dev,
struct rte_eth_xstat *stats, unsigned n);
unsigned int n);
/**< @internal Get extended stats of an Ethernet device. */
-typedef void (*eth_xstats_reset_t)(struct rte_eth_dev *dev);
-/**< @internal Reset extended stats of an Ethernet device. */
+/**
+ * @internal
+ * Reset extended stats of an Ethernet device.
+ *
+ * @param dev
+ * ethdev handle of port.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, statistics has been reset.
+ * @retval -ENOTSUP
+ * Resetting statistics is not supported.
+ * @retval -EINVAL
+ * Resetting statistics is not valid.
+ * @retval -ENOMEM
+ * Not enough memory to get the stats.
+ */
+typedef int (*eth_xstats_reset_t)(struct rte_eth_dev *dev);
typedef int (*eth_xstats_get_names_t)(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names, unsigned size);
typedef const uint32_t *(*eth_dev_supported_ptypes_get_t)(struct rte_eth_dev *dev);
/**< @internal Get supported ptypes of an Ethernet device. */
+/**
+ * @internal
+ * Inform Ethernet device about reduced range of packet types to handle.
+ *
+ * @param dev
+ * The Ethernet device identifier.
+ * @param ptype_mask
+ * The ptype family that application is interested in should be bitwise OR of
+ * RTE_PTYPE_*_MASK or 0.
+ * @return
+ * - (0) if Success.
+ */
+typedef int (*eth_dev_ptypes_set_t)(struct rte_eth_dev *dev,
+ uint32_t ptype_mask);
+
typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
uint16_t queue_id);
/**< @internal Start rx and tx of a queue of an Ethernet device. */
typedef void (*eth_txq_info_get_t)(struct rte_eth_dev *dev,
uint16_t tx_queue_id, struct rte_eth_txq_info *qinfo);
+typedef int (*eth_burst_mode_get_t)(struct rte_eth_dev *dev,
+ uint16_t queue_id, struct rte_eth_burst_mode *mode);
+
typedef int (*mtu_set_t)(struct rte_eth_dev *dev, uint16_t mtu);
/**< @internal Set MTU. */
const char *pool);
/**< @internal Test if a port supports specific mempool ops */
+/**
+ * @internal
+ * Get the hairpin capabilities.
+ *
+ * @param dev
+ * ethdev handle of port.
+ * @param cap
+ * returns the hairpin capabilities from the device.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, hairpin is supported.
+ * @retval -ENOTSUP
+ * Hairpin is not supported.
+ */
+typedef int (*eth_hairpin_cap_get_t)(struct rte_eth_dev *dev,
+ struct rte_eth_hairpin_cap *cap);
+
+/**
+ * @internal
+ * Setup RX hairpin queue.
+ *
+ * @param dev
+ * ethdev handle of port.
+ * @param rx_queue_id
+ * the selected RX queue index.
+ * @param nb_rx_desc
+ * the requested number of descriptors for this queue. 0 - use PMD default.
+ * @param conf
+ * the RX hairpin configuration structure.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, hairpin is supported.
+ * @retval -ENOTSUP
+ * Hairpin is not supported.
+ * @retval -EINVAL
+ * One of the parameters is invalid.
+ * @retval -ENOMEM
+ * Unable to allocate resources.
+ */
+typedef int (*eth_rx_hairpin_queue_setup_t)
+ (struct rte_eth_dev *dev, uint16_t rx_queue_id,
+ uint16_t nb_rx_desc,
+ const struct rte_eth_hairpin_conf *conf);
+
+/**
+ * @internal
+ * Setup TX hairpin queue.
+ *
+ * @param dev
+ * ethdev handle of port.
+ * @param tx_queue_id
+ * the selected TX queue index.
+ * @param nb_tx_desc
+ * the requested number of descriptors for this queue. 0 - use PMD default.
+ * @param conf
+ * the TX hairpin configuration structure.
+ *
+ * @return
+ * Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ * Success, hairpin is supported.
+ * @retval -ENOTSUP
+ * Hairpin is not supported.
+ * @retval -EINVAL
+ * One of the parameters is invalid.
+ * @retval -ENOMEM
+ * Unable to allocate resources.
+ */
+typedef int (*eth_tx_hairpin_queue_setup_t)
+ (struct rte_eth_dev *dev, uint16_t tx_queue_id,
+ uint16_t nb_tx_desc,
+ const struct rte_eth_hairpin_conf *hairpin_conf);
+
/**
* @internal A structure containing the functions exported by an Ethernet driver.
*/
eth_dev_infos_get_t dev_infos_get; /**< Get device info. */
eth_rxq_info_get_t rxq_info_get; /**< retrieve RX queue information. */
eth_txq_info_get_t txq_info_get; /**< retrieve TX queue information. */
+ eth_burst_mode_get_t rx_burst_mode_get; /**< Get RX burst mode */
+ eth_burst_mode_get_t tx_burst_mode_get; /**< Get TX burst mode */
eth_fw_version_get_t fw_version_get; /**< Get firmware version. */
eth_dev_supported_ptypes_get_t dev_supported_ptypes_get;
/**< Get packet types supported and identified by device. */
+ eth_dev_ptypes_set_t dev_ptypes_set;
+ /**< Inform Ethernet device about reduced range of packet types to handle. */
vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */
/**< Check the status of a Rx descriptor. */
eth_tx_descriptor_status_t tx_descriptor_status;
/**< Check the status of a Tx descriptor. */
+ /*
+ * Static inline functions use functions ABOVE this comment.
+ * New dev_ops functions should be added BELOW to avoid breaking ABI.
+ */
eth_rx_enable_intr_t rx_queue_intr_enable; /**< Enable Rx queue interrupt. */
eth_rx_disable_intr_t rx_queue_intr_disable; /**< Disable Rx queue interrupt. */
eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue. */
eth_pool_ops_supported_t pool_ops_supported;
/**< Test if a port supports specific mempool ops */
+
+ eth_hairpin_cap_get_t hairpin_cap_get;
+ /**< Returns the hairpin capabilities. */
+ eth_rx_hairpin_queue_setup_t rx_hairpin_queue_setup;
+ /**< Set up device RX hairpin queue. */
+ eth_tx_hairpin_queue_setup_t tx_hairpin_queue_setup;
+ /**< Set up device TX hairpin queue. */
};
/**
struct rte_eth_rxtx_callback *pre_tx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
enum rte_eth_dev_state state; /**< Flag indicating the port state */
void *security_ctx; /**< Context for security ops */
+
+ uint64_t reserved_64s[4]; /**< Reserved for future fields */
+ void *reserved_ptrs[4]; /**< Reserved for future fields */
} __rte_cache_aligned;
struct rte_eth_dev_sriov;
dev_started : 1, /**< Device state: STARTED(1) / STOPPED(0). */
lro : 1; /**< RX LRO is ON(1) / OFF(0) */
uint8_t rx_queue_state[RTE_MAX_QUEUES_PER_PORT];
- /**< Queues state: STARTED(1) / STOPPED(0). */
+ /**< Queues state: HAIRPIN(2) / STARTED(1) / STOPPED(0). */
uint8_t tx_queue_state[RTE_MAX_QUEUES_PER_PORT];
- /**< Queues state: STARTED(1) / STOPPED(0). */
+ /**< Queues state: HAIRPIN(2) / STARTED(1) / STOPPED(0). */
uint32_t dev_flags; /**< Capabilities. */
enum rte_kernel_driver kdrv; /**< Kernel driver passthrough. */
int numa_node; /**< NUMA node connection. */
/**< Switch-specific identifier.
* Valid if RTE_ETH_DEV_REPRESENTOR in dev_flags.
*/
+
+ uint64_t reserved_64s[4]; /**< Reserved for future fields */
+ void *reserved_ptrs[4]; /**< Reserved for future fields */
} __rte_cache_aligned;
/**
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