/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <stdint.h>
+/* Use this macro to check if LRO API is supported */
+#define RTE_ETHDEV_HAS_LRO_SUPPORT
+
#include <rte_log.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
-#include <rte_mbuf.h>
+#include <rte_dev.h>
+#include <rte_devargs.h>
#include "rte_ether.h"
#include "rte_eth_ctrl.h"
+#include "rte_dev_info.h"
+
+struct rte_mbuf;
/**
* A structure used to retrieve statistics for an Ethernet port.
uint64_t opackets; /**< Total number of successfully transmitted packets.*/
uint64_t ibytes; /**< Total number of successfully received bytes. */
uint64_t obytes; /**< Total number of successfully transmitted bytes. */
- uint64_t imissed; /**< Total of RX missed packets (e.g full FIFO). */
- uint64_t ibadcrc; /**< Total of RX packets with CRC error. */
- uint64_t ibadlen; /**< Total of RX packets with bad length. */
+ uint64_t imissed;
+ /**< Deprecated; Total of RX missed packets (e.g full FIFO). */
+ uint64_t ibadcrc;
+ /**< Deprecated; Total of RX packets with CRC error. */
+ uint64_t ibadlen;
+ /**< Deprecated; Total of RX packets with bad length. */
uint64_t ierrors; /**< Total number of erroneous received packets. */
uint64_t oerrors; /**< Total number of failed transmitted packets. */
- uint64_t imcasts; /**< Total number of multicast received packets. */
+ uint64_t imcasts;
+ /**< Deprecated; Total number of multicast received packets. */
uint64_t rx_nombuf; /**< Total number of RX mbuf allocation failures. */
- uint64_t fdirmatch; /**< Total number of RX packets matching a filter. */
- uint64_t fdirmiss; /**< Total number of RX packets not matching any filter. */
- uint64_t tx_pause_xon; /**< Total nb. of XON pause frame sent. */
- uint64_t rx_pause_xon; /**< Total nb. of XON pause frame received. */
- uint64_t tx_pause_xoff; /**< Total nb. of XOFF pause frame sent. */
- uint64_t rx_pause_xoff; /**< Total nb. of XOFF pause frame received. */
+ uint64_t fdirmatch;
+ /**< Deprecated; Total number of RX packets matching a filter. */
+ uint64_t fdirmiss;
+ /**< Deprecated; Total number of RX packets not matching any filter. */
+ uint64_t tx_pause_xon;
+ /**< Deprecated; Total nb. of XON pause frame sent. */
+ uint64_t rx_pause_xon;
+ /**< Deprecated; Total nb. of XON pause frame received. */
+ uint64_t tx_pause_xoff;
+ /**< Deprecated; Total nb. of XOFF pause frame sent. */
+ uint64_t rx_pause_xoff;
+ /**< Deprecated; Total nb. of XOFF pause frame received. */
uint64_t q_ipackets[RTE_ETHDEV_QUEUE_STAT_CNTRS];
/**< Total number of queue RX packets. */
uint64_t q_opackets[RTE_ETHDEV_QUEUE_STAT_CNTRS];
enum rte_eth_rx_mq_mode mq_mode;
uint32_t max_rx_pkt_len; /**< Only used if jumbo_frame enabled. */
uint16_t split_hdr_size; /**< hdr buf size (header_split enabled).*/
- uint8_t header_split : 1, /**< Header Split enable. */
+ uint16_t header_split : 1, /**< Header Split enable. */
hw_ip_checksum : 1, /**< IP/UDP/TCP checksum offload enable. */
hw_vlan_filter : 1, /**< VLAN filter enable. */
hw_vlan_strip : 1, /**< VLAN strip enable. */
hw_vlan_extend : 1, /**< Extended VLAN enable. */
jumbo_frame : 1, /**< Jumbo Frame Receipt enable. */
hw_strip_crc : 1, /**< Enable CRC stripping by hardware. */
- enable_scatter : 1; /**< Enable scatter packets rx handler */
+ enable_scatter : 1, /**< Enable scatter packets rx handler */
+ enable_lro : 1; /**< Enable LRO */
};
/**
#define ETH_VMDQ_ACCEPT_BROADCAST 0x0008 /**< accept broadcast packets. */
#define ETH_VMDQ_ACCEPT_MULTICAST 0x0010 /**< multicast promiscuous. */
-/* Definitions used for VMDQ mirror rules setting */
-#define ETH_VMDQ_NUM_MIRROR_RULE 4 /**< Maximum nb. of mirror rules. . */
+/** Maximum nb. of vlan per mirror rule */
+#define ETH_MIRROR_MAX_VLANS 64
-#define ETH_VMDQ_POOL_MIRROR 0x0001 /**< Virtual Pool Mirroring. */
-#define ETH_VMDQ_UPLINK_MIRROR 0x0002 /**< Uplink Port Mirroring. */
-#define ETH_VMDQ_DOWNLIN_MIRROR 0x0004 /**< Downlink Port Mirroring. */
-#define ETH_VMDQ_VLAN_MIRROR 0x0008 /**< VLAN Mirroring. */
+#define ETH_MIRROR_VIRTUAL_POOL_UP 0x01 /**< Virtual Pool uplink Mirroring. */
+#define ETH_MIRROR_UPLINK_PORT 0x02 /**< Uplink Port Mirroring. */
+#define ETH_MIRROR_DOWNLINK_PORT 0x04 /**< Downlink Port Mirroring. */
+#define ETH_MIRROR_VLAN 0x08 /**< VLAN Mirroring. */
+#define ETH_MIRROR_VIRTUAL_POOL_DOWN 0x10 /**< Virtual Pool downlink Mirroring. */
/**
* A structure used to configure VLAN traffic mirror of an Ethernet port.
*/
struct rte_eth_vlan_mirror {
uint64_t vlan_mask; /**< mask for valid VLAN ID. */
- uint16_t vlan_id[ETH_VMDQ_MAX_VLAN_FILTERS];
- /** VLAN ID list for vlan mirror. */
+ /** VLAN ID list for vlan mirroring. */
+ uint16_t vlan_id[ETH_MIRROR_MAX_VLANS];
};
/**
* A structure used to configure traffic mirror of an Ethernet port.
*/
-struct rte_eth_vmdq_mirror_conf {
- uint8_t rule_type_mask; /**< Mirroring rule type mask we want to set */
- uint8_t dst_pool; /**< Destination pool for this mirror rule. */
+struct rte_eth_mirror_conf {
+ uint8_t rule_type; /**< Mirroring rule type */
+ uint8_t dst_pool; /**< Destination pool for this mirror rule. */
uint64_t pool_mask; /**< Bitmap of pool for pool mirroring */
- struct rte_eth_vlan_mirror vlan; /**< VLAN ID setting for VLAN mirroring */
+ /** VLAN ID setting for VLAN mirroring. */
+ struct rte_eth_vlan_mirror vlan;
};
/**
struct rte_eth_txconf {
struct rte_eth_thresh tx_thresh; /**< TX ring threshold registers. */
uint16_t tx_rs_thresh; /**< Drives the setting of RS bit on TXDs. */
- uint16_t tx_free_thresh; /**< Drives the freeing of TX buffers. */
+ uint16_t tx_free_thresh; /**< Start freeing TX buffers if there are
+ less free descriptors than this value. */
+
uint32_t txq_flags; /**< Set flags for the Tx queue */
uint8_t tx_deferred_start; /**< Do not start queue with rte_eth_dev_start(). */
};
struct rte_intr_conf {
/** enable/disable lsc interrupt. 0 (default) - disable, 1 enable */
uint16_t lsc;
+#ifdef RTE_NEXT_ABI
+ /** enable/disable rxq interrupt. 0 (default) - disable, 1 enable */
+ uint16_t rxq;
+#endif
};
/**
#define DEV_RX_OFFLOAD_UDP_CKSUM 0x00000004
#define DEV_RX_OFFLOAD_TCP_CKSUM 0x00000008
#define DEV_RX_OFFLOAD_TCP_LRO 0x00000010
+#define DEV_RX_OFFLOAD_QINQ_STRIP 0x00000020
/**
* TX offload capabilities of a device.
#define DEV_TX_OFFLOAD_TCP_TSO 0x00000020
#define DEV_TX_OFFLOAD_UDP_TSO 0x00000040
#define DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000080 /**< Used for tunneling packet. */
+#define DEV_TX_OFFLOAD_QINQ_INSERT 0x00000100
struct rte_eth_dev_info {
struct rte_pci_device *pci_dev; /**< Device PCI information. */
uint32_t tx_offload_capa; /**< Device TX offload capabilities. */
uint16_t reta_size;
/**< Device redirection table size, the total number of entries. */
+ uint8_t hash_key_size; /**< Hash key size in bytes */
/** Bit mask of RSS offloads, the bit offset also means flow type */
uint64_t flow_type_rss_offloads;
struct rte_eth_rxconf default_rxconf; /**< Default RX configuration */
const struct rte_eth_txconf *tx_conf);
/**< @internal Setup a transmit queue of an Ethernet device. */
+typedef int (*eth_rx_enable_intr_t)(struct rte_eth_dev *dev,
+ uint16_t rx_queue_id);
+/**< @internal Enable interrupt of a receive queue of an Ethernet device. */
+
+typedef int (*eth_rx_disable_intr_t)(struct rte_eth_dev *dev,
+ uint16_t rx_queue_id);
+/**< @internal Disable interrupt of a receive queue of an Ethernet device. */
+
typedef void (*eth_queue_release_t)(void *queue);
/**< @internal Release memory resources allocated by given RX/TX queue. */
typedef uint32_t (*eth_rx_queue_count_t)(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
-/**< @Get number of available descriptors on a receive queue of an Ethernet device. */
+/**< @internal Get number of available descriptors on a receive queue of an Ethernet device. */
typedef int (*eth_rx_descriptor_done_t)(void *rxq, uint16_t offset);
-/**< @Check DD bit of specific RX descriptor */
+/**< @internal Check DD bit of specific RX descriptor */
typedef int (*mtu_set_t)(struct rte_eth_dev *dev, uint16_t mtu);
/**< @internal Set MTU. */
/**< @internal Set VF TX rate */
typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
- struct rte_eth_vmdq_mirror_conf *mirror_conf,
+ struct rte_eth_mirror_conf *mirror_conf,
uint8_t rule_id,
uint8_t on);
/**< @internal Add a traffic mirroring rule on an Ethernet device */
struct rte_eth_udp_tunnel *tunnel_udp);
/**< @internal Delete tunneling UDP info */
+typedef int (*eth_set_mc_addr_list_t)(struct rte_eth_dev *dev,
+ struct ether_addr *mc_addr_set,
+ uint32_t nb_mc_addr);
+/**< @internal set the list of multicast addresses on an Ethernet device */
+
+typedef int (*eth_timesync_enable_t)(struct rte_eth_dev *dev);
+/**< @internal Function used to enable IEEE1588/802.1AS timestamping. */
+
+typedef int (*eth_timesync_disable_t)(struct rte_eth_dev *dev);
+/**< @internal Function used to disable IEEE1588/802.1AS timestamping. */
+
+typedef int (*eth_timesync_read_rx_timestamp_t)(struct rte_eth_dev *dev,
+ struct timespec *timestamp,
+ uint32_t flags);
+/**< @internal Function used to read an RX IEEE1588/802.1AS timestamp. */
+
+typedef int (*eth_timesync_read_tx_timestamp_t)(struct rte_eth_dev *dev,
+ struct timespec *timestamp);
+/**< @internal Function used to read a TX IEEE1588/802.1AS timestamp. */
+
+typedef int (*eth_get_reg_length_t)(struct rte_eth_dev *dev);
+/**< @internal Retrieve device register count */
+
+typedef int (*eth_get_reg_t)(struct rte_eth_dev *dev,
+ struct rte_dev_reg_info *info);
+/**< @internal Retrieve registers */
+
+typedef int (*eth_get_eeprom_length_t)(struct rte_eth_dev *dev);
+/**< @internal Retrieve eeprom size */
+
+typedef int (*eth_get_eeprom_t)(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info);
+/**< @internal Retrieve eeprom data */
+
+typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
+ struct rte_dev_eeprom_info *info);
+/**< @internal Program eeprom data */
#ifdef RTE_NIC_BYPASS
eth_queue_release_t rx_queue_release;/**< Release RX queue.*/
eth_rx_queue_count_t rx_queue_count; /**< Get Rx queue count. */
eth_rx_descriptor_done_t rx_descriptor_done; /**< Check rxd DD bit */
+#ifdef RTE_NEXT_ABI
+ /**< Enable Rx queue interrupt. */
+ eth_rx_enable_intr_t rx_queue_intr_enable;
+ /**< Disable Rx queue interrupt.*/
+ eth_rx_disable_intr_t rx_queue_intr_disable;
+#endif
eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue.*/
eth_queue_release_t tx_queue_release;/**< Release TX queue.*/
eth_dev_led_on_t dev_led_on; /**< Turn on LED. */
reta_update_t reta_update;
/** Query redirection table. */
reta_query_t reta_query;
+
+ eth_get_reg_length_t get_reg_length;
+ /**< Get # of registers */
+ eth_get_reg_t get_reg;
+ /**< Get registers */
+ eth_get_eeprom_length_t get_eeprom_length;
+ /**< Get eeprom length */
+ eth_get_eeprom_t get_eeprom;
+ /**< Get eeprom data */
+ eth_set_eeprom_t set_eeprom;
+ /**< Set eeprom */
/* bypass control */
#ifdef RTE_NIC_BYPASS
bypass_init_t bypass_init;
/** Get current RSS hash configuration. */
rss_hash_conf_get_t rss_hash_conf_get;
eth_filter_ctrl_t filter_ctrl; /**< common filter control*/
+ eth_set_mc_addr_list_t set_mc_addr_list; /**< set list of mcast addrs */
+
+ /** Turn IEEE1588/802.1AS timestamping on. */
+ eth_timesync_enable_t timesync_enable;
+ /** Turn IEEE1588/802.1AS timestamping off. */
+ eth_timesync_disable_t timesync_disable;
+ /** Read the IEEE1588/802.1AS RX timestamp. */
+ eth_timesync_read_rx_timestamp_t timesync_read_rx_timestamp;
+ /** Read the IEEE1588/802.1AS TX timestamp. */
+ eth_timesync_read_tx_timestamp_t timesync_read_tx_timestamp;
};
/**
- * Function type used for callbacks for processing packets on RX and TX
+ * Function type used for RX packet processing packet callbacks.
*
- * If configured for RX, it is called with a burst of packets that have just
- * been received on the given port and queue. On TX, it is called with a burst
- * of packets immediately before those packets are put onto the hardware queue
- * for transmission.
+ * The callback function is called on RX with a burst of packets that have
+ * been received on the given port and queue.
*
* @param port
- * The ethernet port on which rx or tx is being performed
+ * The Ethernet port on which RX is being performed.
* @param queue
- * The queue on the ethernet port which is being used to receive or transmit
- * the packets.
+ * The queue on the Ethernet port which is being used to receive the packets.
* @param pkts
- * The burst of packets on which processing is to be done. On RX, these
- * packets have just been received. On TX, they are about to be transmitted.
+ * The burst of packets that have just been received.
* @param nb_pkts
- * The number of packets in the burst pointed to by "pkts"
+ * The number of packets in the burst pointed to by "pkts".
+ * @param max_pkts
+ * The max number of packets that can be stored in the "pkts" array.
* @param user_param
* The arbitrary user parameter passed in by the application when the callback
* was originally configured.
* @return
- * The number of packets remaining in pkts are processing.
- * * On RX, this will be returned to the user as the return value from
- * rte_eth_rx_burst.
- * * On TX, this will be the number of packets actually written to the NIC.
+ * The number of packets returned to the user.
*/
-typedef uint16_t (*rte_rxtx_callback_fn)(uint8_t port, uint16_t queue,
+typedef uint16_t (*rte_rx_callback_fn)(uint8_t port, uint16_t queue,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts, uint16_t max_pkts,
+ void *user_param);
+
+/**
+ * Function type used for TX packet processing packet callbacks.
+ *
+ * The callback function is called on TX with a burst of packets immediately
+ * before the packets are put onto the hardware queue for transmission.
+ *
+ * @param port
+ * The Ethernet port on which TX is being performed.
+ * @param queue
+ * The queue on the Ethernet port which is being used to transmit the packets.
+ * @param pkts
+ * The burst of packets that are about to be transmitted.
+ * @param nb_pkts
+ * The number of packets in the burst pointed to by "pkts".
+ * @param user_param
+ * The arbitrary user parameter passed in by the application when the callback
+ * was originally configured.
+ * @return
+ * The number of packets to be written to the NIC.
+ */
+typedef uint16_t (*rte_tx_callback_fn)(uint8_t port, uint16_t queue,
struct rte_mbuf *pkts[], uint16_t nb_pkts, void *user_param);
/**
*/
struct rte_eth_rxtx_callback {
struct rte_eth_rxtx_callback *next;
- rte_rxtx_callback_fn fn;
+ union{
+ rte_rx_callback_fn rx;
+ rte_tx_callback_fn tx;
+ } fn;
void *param;
};
+/**
+ * The eth device type.
+ */
+enum rte_eth_dev_type {
+ RTE_ETH_DEV_UNKNOWN, /**< unknown device type */
+ RTE_ETH_DEV_PCI,
+ /**< Physical function and Virtual function of PCI devices */
+ RTE_ETH_DEV_VIRTUAL, /**< non hardware device */
+ RTE_ETH_DEV_MAX /**< max value of this enum */
+};
+
/**
* @internal
* The generic data structure associated with each ethernet device.
eth_tx_burst_t tx_pkt_burst; /**< Pointer to PMD transmit function. */
struct rte_eth_dev_data *data; /**< Pointer to device data */
const struct eth_driver *driver;/**< Driver for this device */
- struct eth_dev_ops *dev_ops; /**< Functions exported by PMD */
+ const struct eth_dev_ops *dev_ops; /**< Functions exported by PMD */
struct rte_pci_device *pci_dev; /**< PCI info. supplied by probing */
/** User application callbacks for NIC interrupts */
struct rte_eth_dev_cb_list link_intr_cbs;
* User-supplied functions called from rx_burst to post-process
* received packets before passing them to the user
*/
- struct rte_eth_rxtx_callback **post_rx_burst_cbs;
+ struct rte_eth_rxtx_callback *post_rx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
/**
* User-supplied functions called from tx_burst to pre-process
* received packets before passing them to the driver for transmission.
*/
- struct rte_eth_rxtx_callback **pre_tx_burst_cbs;
+ struct rte_eth_rxtx_callback *pre_tx_burst_cbs[RTE_MAX_QUEUES_PER_PORT];
uint8_t attached; /**< Flag indicating the port is attached */
+ enum rte_eth_dev_type dev_type; /**< Flag indicating the device type */
};
struct rte_eth_dev_sriov {
uint8_t promiscuous : 1, /**< RX promiscuous mode ON(1) / OFF(0). */
scattered_rx : 1, /**< RX of scattered packets is ON(1) / OFF(0) */
all_multicast : 1, /**< RX all multicast mode ON(1) / OFF(0). */
- dev_started : 1; /**< Device state: STARTED(1) / STOPPED(0). */
+ dev_started : 1, /**< Device state: STARTED(1) / STOPPED(0). */
+ lro : 1; /**< RX LRO is ON(1) / OFF(0) */
};
/**
extern uint8_t rte_eth_dev_count(void);
/**
- * Function for internal use by dummy drivers primarily, e.g. ring-based
- * driver.
+ * @internal
+ * Returns a ethdev slot specified by the unique identifier name.
+ *
+ * @param name
+ * The pointer to the Unique identifier name for each Ethernet device
+ * @return
+ * - The pointer to the ethdev slot, on success. NULL on error
+ */
+extern struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
+
+/**
+ * @internal
* Allocates a new ethdev slot for an ethernet device and returns the pointer
* to that slot for the driver to use.
*
* @param name Unique identifier name for each Ethernet device
+ * @param type Device type of this Ethernet device
* @return
* - Slot in the rte_dev_devices array for a new device;
*/
-struct rte_eth_dev *rte_eth_dev_allocate(const char *name);
+struct rte_eth_dev *rte_eth_dev_allocate(const char *name,
+ enum rte_eth_dev_type type);
+
+/**
+ * @internal
+ * Release the specified ethdev port.
+ *
+ * @param eth_dev
+ * The *eth_dev* pointer is the address of the *rte_eth_dev* structure.
+ * @return
+ * - 0 on success, negative on error
+ */
+int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
+
+/**
+ * Attach a new Ethernet device specified by aruguments.
+ *
+ * @param devargs
+ * A pointer to a strings array describing the new device
+ * to be attached. The strings should be a pci address like
+ * '0000:01:00.0' or virtual device name like 'eth_pcap0'.
+ * @param port_id
+ * A pointer to a port identifier actually attached.
+ * @return
+ * 0 on success and port_id is filled, negative on error
+ */
+int rte_eth_dev_attach(const char *devargs, uint8_t *port_id);
+
+/**
+ * Detach a Ethernet device specified by port identifier.
+ * This function must be called when the device is in the
+ * closed state.
+ *
+ * @param port_id
+ * The port identifier of the device to detach.
+ * @param devname
+ * A pointer to a device name actually detached.
+ * @return
+ * 0 on success and devname is filled, negative on error
+ */
+int rte_eth_dev_detach(uint8_t port_id, char *devname);
struct eth_driver;
/**
* Initialization function of an Ethernet driver invoked for each matching
* Ethernet PCI device detected during the PCI probing phase.
*
- * @param eth_drv
- * The pointer to the [matching] Ethernet driver structure supplied by
- * the PMD when it registered itself.
* @param eth_dev
* The *eth_dev* pointer is the address of the *rte_eth_dev* structure
* associated with the matching device and which have been [automatically]
* - *pci_dev*: Holds the pointers to the *rte_pci_device* structure which
* contains the generic PCI information of the matching device.
*
+ * - *driver*: Holds the pointer to the *eth_driver* structure.
+ *
* - *dev_private*: Holds a pointer to the device private data structure.
*
* - *mtu*: Contains the default Ethernet maximum frame length (1500).
* of the *eth_dev* structure.
* - <0: Error code of the device initialization failure.
*/
-typedef int (*eth_dev_init_t)(struct eth_driver *eth_drv,
- struct rte_eth_dev *eth_dev);
+typedef int (*eth_dev_init_t)(struct rte_eth_dev *eth_dev);
+
+/**
+ * @internal
+ * Finalization function of an Ethernet driver invoked for each matching
+ * Ethernet PCI device detected during the PCI closing phase.
+ *
+ * @param eth_dev
+ * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
+ * associated with the matching device and which have been [automatically]
+ * allocated in the *rte_eth_devices* array.
+ * @return
+ * - 0: Success, the device is properly finalized by the driver.
+ * In particular, the driver MUST free the *dev_ops* pointer
+ * of the *eth_dev* structure.
+ * - <0: Error code of the device initialization failure.
+ */
+typedef int (*eth_dev_uninit_t)(struct rte_eth_dev *eth_dev);
/**
* @internal
*
* - The *eth_dev_init* function invoked for each matching PCI device.
*
+ * - The *eth_dev_uninit* function invoked for each matching PCI device.
+ *
* - The size of the private data to allocate for each matching device.
*/
struct eth_driver {
struct rte_pci_driver pci_drv; /**< The PMD is also a PCI driver. */
eth_dev_init_t eth_dev_init; /**< Device init function. */
+ eth_dev_uninit_t eth_dev_uninit; /**< Device uninit function. */
unsigned int dev_private_size; /**< Size of device private data. */
};
*/
extern int rte_eth_dev_socket_id(uint8_t port_id);
+/*
+ * Check if port_id of device is attached
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device
+ * @return
+ * - 0 if port is out of range or not attached
+ * - 1 if device is attached
+ */
+extern int rte_eth_dev_is_valid_port(uint8_t port_id);
+
/*
* Allocate mbuf from mempool, setup the DMA physical address
* and then start RX for specified queue of a port. It is used
extern int rte_eth_dev_set_link_down(uint8_t port_id);
/**
- * Close an Ethernet device. The device cannot be restarted!
+ * Close a stopped Ethernet device. The device cannot be restarted!
+ * The function frees all resources except for needed by the
+ * closed state. To free these resources, call rte_eth_dev_detach().
*
* @param port_id
* The port identifier of the Ethernet device.
#else
static inline uint16_t
rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
- struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+ struct rte_mbuf **rx_pkts, const uint16_t nb_pkts)
{
struct rte_eth_dev *dev;
dev = &rte_eth_devices[port_id];
- nb_pkts = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id], rx_pkts,
- nb_pkts);
+ int16_t nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
+ rx_pkts, nb_pkts);
#ifdef RTE_ETHDEV_RXTX_CALLBACKS
struct rte_eth_rxtx_callback *cb = dev->post_rx_burst_cbs[queue_id];
if (unlikely(cb != NULL)) {
do {
- nb_pkts = cb->fn(port_id, queue_id, rx_pkts, nb_pkts,
- cb->param);
+ nb_rx = cb->fn.rx(port_id, queue_id, rx_pkts, nb_rx,
+ nb_pkts, cb->param);
cb = cb->next;
} while (cb != NULL);
}
#endif
- return nb_pkts;
+ return nb_rx;
}
#endif
* The port identifier of the Ethernet device.
* @param queue_id
* The queue id on the specific port.
- * @offset
+ * @param offset
* The offset of the descriptor ID from tail.
* @return
* - (1) if the specific DD bit is set.
* transparently free the memory buffers of packets previously sent.
* This feature is driven by the *tx_free_thresh* value supplied to the
* rte_eth_dev_configure() function at device configuration time.
- * When the number of previously sent packets reached the "minimum transmit
- * packets to free" threshold, the rte_eth_tx_burst() function must
- * [attempt to] free the *rte_mbuf* buffers of those packets whose
- * transmission was effectively completed.
+ * When the number of free TX descriptors drops below this threshold, the
+ * rte_eth_tx_burst() function must [attempt to] free the *rte_mbuf* buffers
+ * of those packets whose transmission was effectively completed.
*
* @param port_id
* The port identifier of the Ethernet device.
if (unlikely(cb != NULL)) {
do {
- nb_pkts = cb->fn(port_id, queue_id, tx_pkts, nb_pkts,
+ nb_pkts = cb->fn.tx(port_id, queue_id, tx_pkts, nb_pkts,
cb->param);
cb = cb->next;
} while (cb != NULL);
void _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
enum rte_eth_event_type event);
+/**
+ * When there is no rx packet coming in Rx Queue for a long time, we can
+ * sleep lcore related to RX Queue for power saving, and enable rx interrupt
+ * to be triggered when rx packect arrives.
+ *
+ * The rte_eth_dev_rx_intr_enable() function enables rx queue
+ * interrupt on specific rx queue of a port.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param queue_id
+ * The index of the receive queue from which to retrieve input packets.
+ * The value must be in the range [0, nb_rx_queue - 1] previously supplied
+ * to rte_eth_dev_configure().
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if underlying hardware OR driver doesn't support
+ * that operation.
+ * - (-ENODEV) if *port_id* invalid.
+ */
+int rte_eth_dev_rx_intr_enable(uint8_t port_id, uint16_t queue_id);
+
+/**
+ * When lcore wakes up from rx interrupt indicating packet coming, disable rx
+ * interrupt and returns to polling mode.
+ *
+ * The rte_eth_dev_rx_intr_disable() function disables rx queue
+ * interrupt on specific rx queue of a port.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param queue_id
+ * The index of the receive queue from which to retrieve input packets.
+ * The value must be in the range [0, nb_rx_queue - 1] previously supplied
+ * to rte_eth_dev_configure().
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if underlying hardware OR driver doesn't support
+ * that operation.
+ * - (-ENODEV) if *port_id* invalid.
+ */
+int rte_eth_dev_rx_intr_disable(uint8_t port_id, uint16_t queue_id);
+
+/**
+ * RX Interrupt control per port.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param epfd
+ * Epoll instance fd which the intr vector associated to.
+ * Using RTE_EPOLL_PER_THREAD allows to use per thread epoll instance.
+ * @param op
+ * The operation be performed for the vector.
+ * Operation type of {RTE_INTR_EVENT_ADD, RTE_INTR_EVENT_DEL}.
+ * @param data
+ * User raw data.
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data);
+
+/**
+ * RX Interrupt control per queue.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param queue_id
+ * The index of the receive queue from which to retrieve input packets.
+ * The value must be in the range [0, nb_rx_queue - 1] previously supplied
+ * to rte_eth_dev_configure().
+ * @param epfd
+ * Epoll instance fd which the intr vector associated to.
+ * Using RTE_EPOLL_PER_THREAD allows to use per thread epoll instance.
+ * @param op
+ * The operation be performed for the vector.
+ * Operation type of {RTE_INTR_EVENT_ADD, RTE_INTR_EVENT_DEL}.
+ * @param data
+ * User raw data.
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id,
+ int epfd, int op, void *data);
+
/**
* Turn on the LED on the Ethernet device.
* This function turns on the LED on the Ethernet device.
*/
int rte_eth_dev_mac_addr_remove(uint8_t port, struct ether_addr *mac_addr);
+/**
+ * Set the default MAC address.
+ *
+ * @param port
+ * The port identifier of the Ethernet device.
+ * @param mac_addr
+ * New default MAC address.
+ * @return
+ * - (0) if successful, or *mac_addr* didn't exist.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port* invalid.
+ * - (-EINVAL) if MAC address is invalid.
+ */
+int rte_eth_dev_default_mac_addr_set(uint8_t port, struct ether_addr *mac_addr);
+
+
/**
* Update Redirection Table(RETA) of Receive Side Scaling of Ethernet device.
*
* - (-EINVAL) if the mr_conf information is not correct.
*/
int rte_eth_mirror_rule_set(uint8_t port_id,
- struct rte_eth_vmdq_mirror_conf *mirror_conf,
+ struct rte_eth_mirror_conf *mirror_conf,
uint8_t rule_id,
uint8_t on);
*
* @param port
* The port identifier of the Ethernet device.
- * @param state
+ * @param new_state
* The current bypass state.
* - (1) Normal mode
* - (2) Bypass mode
*
* @param port
* The port identifier of the Ethernet device.
- * @param state
+ * @param timeout
* The timeout to be set.
* - (0) 0 seconds (timer is off)
* - (1) 1.5 seconds
* that can be used to later remove the callback using
* rte_eth_remove_rx_callback().
*
+ * Multiple functions are called in the order that they are added.
+ *
* @param port_id
* The port identifier of the Ethernet device.
* @param queue_id
* On success, a pointer value which can later be used to remove the callback.
*/
void *rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
- rte_rxtx_callback_fn fn, void *user_param);
+ rte_rx_callback_fn fn, void *user_param);
/**
* Add a callback to be called on packet TX on a given port and queue.
* that can be used to later remove the callback using
* rte_eth_remove_tx_callback().
*
+ * Multiple functions are called in the order that they are added.
+ *
* @param port_id
* The port identifier of the Ethernet device.
* @param queue_id
* On success, a pointer value which can later be used to remove the callback.
*/
void *rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
- rte_rxtx_callback_fn fn, void *user_param);
+ rte_tx_callback_fn fn, void *user_param);
/**
* Remove an RX packet callback from a given port and queue.
* since the it may still be in use. The memory for the callback can be
* subsequently freed back by the application by calling rte_free():
*
- * - Immediately - if the port is stopped, or the user knows that no
- * callbacks are in flight e.g. if called from the thread doing RX/TX
- * on that queue.
+ * - Immediately - if the port is stopped, or the user knows that no
+ * callbacks are in flight e.g. if called from the thread doing RX/TX
+ * on that queue.
*
* - After a short delay - where the delay is sufficient to allow any
* in-flight callbacks to complete.
* since the it may still be in use. The memory for the callback can be
* subsequently freed back by the application by calling rte_free():
*
- * - Immediately - if the port is stopped, or the user knows that no
- * callbacks are in flight e.g. if called from the thread doing RX/TX
- * on that queue.
+ * - Immediately - if the port is stopped, or the user knows that no
+ * callbacks are in flight e.g. if called from the thread doing RX/TX
+ * on that queue.
*
* - After a short delay - where the delay is sufficient to allow any
* in-flight callbacks to complete.
int rte_eth_remove_tx_callback(uint8_t port_id, uint16_t queue_id,
struct rte_eth_rxtx_callback *user_cb);
+/**
+ * Retrieve number of available registers for access
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @return
+ * - (>=0) number of registers if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - others depends on the specific operations implementation.
+ */
+int rte_eth_dev_get_reg_length(uint8_t port_id);
+
+/**
+ * Retrieve device registers and register attributes
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param info
+ * The template includes buffer for register data and attribute to be filled.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - others depends on the specific operations implementation.
+ */
+int rte_eth_dev_get_reg_info(uint8_t port_id, struct rte_dev_reg_info *info);
+
+/**
+ * Retrieve size of device EEPROM
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @return
+ * - (>=0) EEPROM size if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - others depends on the specific operations implementation.
+ */
+int rte_eth_dev_get_eeprom_length(uint8_t port_id);
+
+/**
+ * Retrieve EEPROM and EEPROM attribute
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param info
+ * The template includes buffer for return EEPROM data and
+ * EEPROM attributes to be filled.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - others depends on the specific operations implementation.
+ */
+int rte_eth_dev_get_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info);
+
+/**
+ * Program EEPROM with provided data
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param info
+ * The template includes EEPROM data for programming and
+ * EEPROM attributes to be filled
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support.
+ * - (-ENODEV) if *port_id* invalid.
+ * - others depends on the specific operations implementation.
+ */
+int rte_eth_dev_set_eeprom(uint8_t port_id, struct rte_dev_eeprom_info *info);
+
+/**
+ * Set the list of multicast addresses to filter on an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param mc_addr_set
+ * The array of multicast addresses to set. Equal to NULL when the function
+ * is invoked to flush the set of filtered addresses.
+ * @param nb_mc_addr
+ * The number of multicast addresses in the *mc_addr_set* array. Equal to 0
+ * when the function is invoked to flush the set of filtered addresses.
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-ENOTSUP) if PMD of *port_id* doesn't support multicast filtering.
+ * - (-ENOSPC) if *port_id* has not enough multicast filtering resources.
+ */
+int rte_eth_dev_set_mc_addr_list(uint8_t port_id,
+ struct ether_addr *mc_addr_set,
+ uint32_t nb_mc_addr);
+
+/**
+ * Enable IEEE1588/802.1AS timestamping for an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ *
+ * @return
+ * - 0: Success.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_enable(uint8_t port_id);
+
+/**
+ * Disable IEEE1588/802.1AS timestamping for an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ *
+ * @return
+ * - 0: Success.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_disable(uint8_t port_id);
+
+/**
+ * Read an IEEE1588/802.1AS RX timestamp from an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param timestamp
+ * Pointer to the timestamp struct.
+ * @param flags
+ * Device specific flags. Used to pass the RX timesync register index to
+ * i40e. Unused in igb/ixgbe, pass 0 instead.
+ *
+ * @return
+ * - 0: Success.
+ * - -EINVAL: No timestamp is available.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_read_rx_timestamp(uint8_t port_id,
+ struct timespec *timestamp,
+ uint32_t flags);
+
+/**
+ * Read an IEEE1588/802.1AS TX timestamp from an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param timestamp
+ * Pointer to the timestamp struct.
+ *
+ * @return
+ * - 0: Success.
+ * - -EINVAL: No timestamp is available.
+ * - -ENODEV: The port ID is invalid.
+ * - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+extern int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
+ struct timespec *timestamp);
+
#ifdef __cplusplus
}
#endif