/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* - NIC queue statistics mappings
*
* Any other configuration will not be stored and will need to be re-entered
- * after a call to rte_eth_dev_start().
+ * before a call to rte_eth_dev_start().
*
* Finally, a network application can close an Ethernet device by invoking the
* rte_eth_dev_close() function.
#include <rte_log.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
#include <rte_dev.h>
#include <rte_devargs.h>
+#include <rte_errno.h>
#include "rte_ether.h"
#include "rte_eth_ctrl.h"
#include "rte_dev_info.h"
/**
* This enum indicates the possible number of traffic classes
- * in DCB configratioins
+ * in DCB configurations
*/
enum rte_eth_nb_tcs {
ETH_4_TCS = 4, /**< 4 TCs with DCB. */
uint16_t nb_max; /**< Max allowed number of descriptors. */
uint16_t nb_min; /**< Min allowed number of descriptors. */
uint16_t nb_align; /**< Number of descriptors should be aligned to. */
+
+ /**
+ * Max allowed number of segments per whole packet.
+ *
+ * - For TSO packet this is the total number of data descriptors allowed
+ * by device.
+ *
+ * @see nb_mtu_seg_max
+ */
+ uint16_t nb_seg_max;
+
+ /**
+ * Max number of segments per one MTU.
+ *
+ * - For non-TSO packet, this is the maximum allowed number of segments
+ * in a single transmit packet.
+ *
+ * - For TSO packet each segment within the TSO may span up to this
+ * value.
+ *
+ * @see nb_seg_max
+ */
+ uint16_t nb_mtu_seg_max;
};
/**
*/
struct rte_intr_conf {
/** enable/disable lsc interrupt. 0 (default) - disable, 1 enable */
- uint16_t lsc;
+ uint32_t lsc:1;
/** enable/disable rxq interrupt. 0 (default) - disable, 1 enable */
- uint16_t rxq;
+ uint32_t rxq:1;
+ /** enable/disable rmv interrupt. 0 (default) - disable, 1 enable */
+ uint32_t rmv:1;
};
/**
#define DEV_RX_OFFLOAD_TCP_LRO 0x00000010
#define DEV_RX_OFFLOAD_QINQ_STRIP 0x00000020
#define DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000040
+#define DEV_RX_OFFLOAD_MACSEC_STRIP 0x00000080
/**
* TX offload capabilities of a device.
#define DEV_TX_OFFLOAD_GRE_TNL_TSO 0x00000400 /**< Used for tunneling packet. */
#define DEV_TX_OFFLOAD_IPIP_TNL_TSO 0x00000800 /**< Used for tunneling packet. */
#define DEV_TX_OFFLOAD_GENEVE_TNL_TSO 0x00001000 /**< Used for tunneling packet. */
+#define DEV_TX_OFFLOAD_MACSEC_INSERT 0x00002000
+
+struct rte_pci_device;
/**
* Ethernet device information
/**
* An Ethernet device extended statistic structure
*
- * This structure is used by ethdev->eth_xstats_get() to provide
- * statistics that are not provided in the generic rte_eth_stats
+ * This structure is used by rte_eth_xstats_get() to provide
+ * statistics that are not provided in the generic *rte_eth_stats*
* structure.
+ * It maps a name id, corresponding to an index in the array returned
+ * by rte_eth_xstats_get_names(), to a statistic value.
*/
struct rte_eth_xstat {
- uint64_t id;
- uint64_t value;
+ uint64_t id; /**< The index in xstats name array. */
+ uint64_t value; /**< The statistic counter value. */
};
/**
- * A name-key lookup element for extended statistics.
+ * A name element for extended statistics.
*
- * This structure is used to map between names and ID numbers
- * for extended ethernet statistics.
+ * An array of this structure is returned by rte_eth_xstats_get_names().
+ * It lists the names of extended statistics for a PMD. The *rte_eth_xstat*
+ * structure references these names by their array index.
*/
struct rte_eth_xstat_name {
- char name[RTE_ETH_XSTATS_NAME_SIZE];
+ char name[RTE_ETH_XSTATS_NAME_SIZE]; /**< The statistic name. */
};
#define ETH_DCB_NUM_TCS 8
/** @internal Structure to keep track of registered callbacks */
TAILQ_HEAD(rte_eth_dev_cb_list, rte_eth_dev_callback);
-
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-#define RTE_PMD_DEBUG_TRACE(...) \
- rte_pmd_debug_trace(__func__, __VA_ARGS__)
-#else
-#define RTE_PMD_DEBUG_TRACE(...)
-#endif
-
-
/* Macros to check for valid port */
#define RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, retval) do { \
if (!rte_eth_dev_is_valid_port(port_id)) { \
} \
} while (0)
+#define RTE_ETH_DEV_TO_PCI(eth_dev) RTE_DEV_TO_PCI((eth_dev)->device)
+
/**
* l2 tunnel configuration.
*/
struct rte_eth_xstat *stats, unsigned n);
/**< @internal Get extended stats of an Ethernet device. */
+typedef int (*eth_xstats_get_by_id_t)(struct rte_eth_dev *dev,
+ const uint64_t *ids,
+ uint64_t *values,
+ 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. */
struct rte_eth_xstat_name *xstats_names, unsigned size);
/**< @internal Get names of extended stats of an Ethernet device. */
+typedef int (*eth_xstats_get_names_by_id_t)(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
+ unsigned int size);
+/**< @internal Get names of extended stats of an Ethernet device. */
+
typedef int (*eth_queue_stats_mapping_set_t)(struct rte_eth_dev *dev,
uint16_t queue_id,
uint8_t stat_idx,
typedef uint32_t (*eth_rx_queue_count_t)(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
-/**< @internal Get number of available descriptors on a receive queue of an Ethernet device. */
+/**< @internal Get number of used descriptors on a receive queue. */
typedef int (*eth_rx_descriptor_done_t)(void *rxq, uint16_t offset);
/**< @internal Check DD bit of specific RX descriptor */
+typedef int (*eth_rx_descriptor_status_t)(void *rxq, uint16_t offset);
+/**< @internal Check the status of a Rx descriptor */
+
+typedef int (*eth_tx_descriptor_status_t)(void *txq, uint16_t offset);
+/**< @internal Check the status of a Tx descriptor */
+
+typedef int (*eth_fw_version_get_t)(struct rte_eth_dev *dev,
+ char *fw_version, size_t fw_size);
+/**< @internal Get firmware information of an Ethernet device. */
+
+typedef int (*eth_tx_done_cleanup_t)(void *txq, uint32_t free_cnt);
+/**< @internal Force mbufs to be from TX ring. */
+
typedef void (*eth_rxq_info_get_t)(struct rte_eth_dev *dev,
uint16_t rx_queue_id, struct rte_eth_rxq_info *qinfo);
uint16_t nb_pkts);
/**< @internal Send output packets on a transmit queue of an Ethernet device. */
+typedef uint16_t (*eth_tx_prep_t)(void *txq,
+ struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts);
+/**< @internal Prepare output packets on a transmit queue of an Ethernet device. */
+
typedef int (*flow_ctrl_get_t)(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
/**< @internal Get current flow control parameter on an Ethernet device */
typedef void (*eth_mac_addr_remove_t)(struct rte_eth_dev *dev, uint32_t index);
/**< @internal Remove MAC address from receive address register */
-typedef void (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
+typedef int (*eth_mac_addr_add_t)(struct rte_eth_dev *dev,
struct ether_addr *mac_addr,
uint32_t index,
uint32_t vmdq);
uint8_t on);
/**< @internal Set all Unicast Hash bitmap */
-typedef int (*eth_set_vf_rx_mode_t)(struct rte_eth_dev *dev,
- uint16_t vf,
- uint16_t rx_mode,
- uint8_t on);
-/**< @internal Set a VF receive mode */
-
-typedef int (*eth_set_vf_rx_t)(struct rte_eth_dev *dev,
- uint16_t vf,
- uint8_t on);
-/**< @internal Set a VF receive mode */
-
-typedef int (*eth_set_vf_tx_t)(struct rte_eth_dev *dev,
- uint16_t vf,
- uint8_t on);
-/**< @internal Enable or disable a VF transmit */
-
-typedef int (*eth_set_vf_vlan_filter_t)(struct rte_eth_dev *dev,
- uint16_t vlan,
- uint64_t vf_mask,
- uint8_t vlan_on);
-/**< @internal Set VF VLAN pool filter */
-
typedef int (*eth_set_queue_rate_limit_t)(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t tx_rate);
/**< @internal Set queue TX rate */
-typedef int (*eth_set_vf_rate_limit_t)(struct rte_eth_dev *dev,
- uint16_t vf,
- uint16_t tx_rate,
- uint64_t q_msk);
-/**< @internal Set VF TX rate */
-
typedef int (*eth_mirror_rule_set_t)(struct rte_eth_dev *dev,
struct rte_eth_mirror_conf *mirror_conf,
uint8_t rule_id,
uint8_t en);
/**< @internal enable/disable the l2 tunnel offload functions */
-#ifdef RTE_NIC_BYPASS
-
-enum {
- RTE_BYPASS_MODE_NONE,
- RTE_BYPASS_MODE_NORMAL,
- RTE_BYPASS_MODE_BYPASS,
- RTE_BYPASS_MODE_ISOLATE,
- RTE_BYPASS_MODE_NUM,
-};
-
-#define RTE_BYPASS_MODE_VALID(x) \
- ((x) > RTE_BYPASS_MODE_NONE && (x) < RTE_BYPASS_MODE_NUM)
-
-enum {
- RTE_BYPASS_EVENT_NONE,
- RTE_BYPASS_EVENT_START,
- RTE_BYPASS_EVENT_OS_ON = RTE_BYPASS_EVENT_START,
- RTE_BYPASS_EVENT_POWER_ON,
- RTE_BYPASS_EVENT_OS_OFF,
- RTE_BYPASS_EVENT_POWER_OFF,
- RTE_BYPASS_EVENT_TIMEOUT,
- RTE_BYPASS_EVENT_NUM
-};
-
-#define RTE_BYPASS_EVENT_VALID(x) \
- ((x) > RTE_BYPASS_EVENT_NONE && (x) < RTE_BYPASS_MODE_NUM)
-
-enum {
- RTE_BYPASS_TMT_OFF, /* timeout disabled. */
- RTE_BYPASS_TMT_1_5_SEC, /* timeout for 1.5 seconds */
- RTE_BYPASS_TMT_2_SEC, /* timeout for 2 seconds */
- RTE_BYPASS_TMT_3_SEC, /* timeout for 3 seconds */
- RTE_BYPASS_TMT_4_SEC, /* timeout for 4 seconds */
- RTE_BYPASS_TMT_8_SEC, /* timeout for 8 seconds */
- RTE_BYPASS_TMT_16_SEC, /* timeout for 16 seconds */
- RTE_BYPASS_TMT_32_SEC, /* timeout for 32 seconds */
- RTE_BYPASS_TMT_NUM
-};
-
-#define RTE_BYPASS_TMT_VALID(x) \
- ((x) == RTE_BYPASS_TMT_OFF || \
- ((x) > RTE_BYPASS_TMT_OFF && (x) < RTE_BYPASS_TMT_NUM))
-
-typedef void (*bypass_init_t)(struct rte_eth_dev *dev);
-typedef int32_t (*bypass_state_set_t)(struct rte_eth_dev *dev, uint32_t *new_state);
-typedef int32_t (*bypass_state_show_t)(struct rte_eth_dev *dev, uint32_t *state);
-typedef int32_t (*bypass_event_set_t)(struct rte_eth_dev *dev, uint32_t state, uint32_t event);
-typedef int32_t (*bypass_event_show_t)(struct rte_eth_dev *dev, uint32_t event_shift, uint32_t *event);
-typedef int32_t (*bypass_wd_timeout_set_t)(struct rte_eth_dev *dev, uint32_t timeout);
-typedef int32_t (*bypass_wd_timeout_show_t)(struct rte_eth_dev *dev, uint32_t *wd_timeout);
-typedef int32_t (*bypass_ver_show_t)(struct rte_eth_dev *dev, uint32_t *ver);
-typedef int32_t (*bypass_wd_reset_t)(struct rte_eth_dev *dev);
-#endif
typedef int (*eth_filter_ctrl_t)(struct rte_eth_dev *dev,
enum rte_filter_type filter_type,
eth_dev_set_link_up_t dev_set_link_up; /**< Device link up. */
eth_dev_set_link_down_t dev_set_link_down; /**< Device link down. */
eth_dev_close_t dev_close; /**< Close device. */
+ eth_link_update_t link_update; /**< Get device link state. */
+
eth_promiscuous_enable_t promiscuous_enable; /**< Promiscuous ON. */
eth_promiscuous_disable_t promiscuous_disable;/**< Promiscuous OFF. */
eth_allmulticast_enable_t allmulticast_enable;/**< RX multicast ON. */
- eth_allmulticast_disable_t allmulticast_disable;/**< RX multicast OF. */
- eth_link_update_t link_update; /**< Get device link state. */
+ eth_allmulticast_disable_t allmulticast_disable;/**< RX multicast OFF. */
+ eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address. */
+ eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address. */
+ eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address. */
+ eth_set_mc_addr_list_t set_mc_addr_list; /**< set list of mcast addrs. */
+ mtu_set_t mtu_set; /**< Set MTU. */
+
eth_stats_get_t stats_get; /**< Get generic device statistics. */
eth_stats_reset_t stats_reset; /**< Reset generic device statistics. */
eth_xstats_get_t xstats_get; /**< Get extended device statistics. */
/**< Get names of extended statistics. */
eth_queue_stats_mapping_set_t queue_stats_mapping_set;
/**< Configure per queue stat counter mapping. */
+
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_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*/
- mtu_set_t mtu_set; /**< Set MTU. */
- vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
- vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */
+ /**< Get packet types supported and identified by device. */
+
+ vlan_filter_set_t vlan_filter_set; /**< Filter VLAN Setup. */
+ vlan_tpid_set_t vlan_tpid_set; /**< Outer/Inner VLAN TPID Setup. */
vlan_strip_queue_set_t vlan_strip_queue_set; /**< VLAN Stripping on queue. */
vlan_offload_set_t vlan_offload_set; /**< Set VLAN Offload. */
- vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion */
- eth_queue_start_t rx_queue_start;/**< Start RX for a queue.*/
- eth_queue_stop_t rx_queue_stop;/**< Stop RX for a queue.*/
- eth_queue_start_t tx_queue_start;/**< Start TX for a queue.*/
- eth_queue_stop_t tx_queue_stop;/**< Stop TX for a queue.*/
- eth_rx_queue_setup_t rx_queue_setup;/**< Set up device RX queue.*/
- 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 */
- /**< 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;
- eth_tx_queue_setup_t tx_queue_setup;/**< Set up device TX queue.*/
- eth_queue_release_t tx_queue_release;/**< Release TX queue.*/
+ vlan_pvid_set_t vlan_pvid_set; /**< Set port based TX VLAN insertion. */
+
+ eth_queue_start_t rx_queue_start;/**< Start RX for a queue. */
+ eth_queue_stop_t rx_queue_stop; /**< Stop RX for a queue. */
+ eth_queue_start_t tx_queue_start;/**< Start TX for a queue. */
+ eth_queue_stop_t tx_queue_stop; /**< Stop TX for a queue. */
+ eth_rx_queue_setup_t rx_queue_setup;/**< Set up device RX queue. */
+ eth_queue_release_t rx_queue_release; /**< Release RX queue. */
+ eth_rx_queue_count_t rx_queue_count;
+ /**< Get the number of used RX descriptors. */
+ eth_rx_descriptor_done_t rx_descriptor_done; /**< Check rxd DD bit. */
+ eth_rx_descriptor_status_t rx_descriptor_status;
+ /**< Check the status of a Rx descriptor. */
+ eth_tx_descriptor_status_t tx_descriptor_status;
+ /**< Check the status of a Tx descriptor. */
+ 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_queue_release_t tx_queue_release; /**< Release TX queue. */
+ eth_tx_done_cleanup_t tx_done_cleanup;/**< Free tx ring mbufs */
+
eth_dev_led_on_t dev_led_on; /**< Turn on LED. */
eth_dev_led_off_t dev_led_off; /**< Turn off LED. */
+
flow_ctrl_get_t flow_ctrl_get; /**< Get flow control. */
flow_ctrl_set_t flow_ctrl_set; /**< Setup flow control. */
- priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control.*/
- eth_mac_addr_remove_t mac_addr_remove; /**< Remove MAC address */
- eth_mac_addr_add_t mac_addr_add; /**< Add a MAC address */
- eth_mac_addr_set_t mac_addr_set; /**< Set a MAC address */
- eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array */
- eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap */
- eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule.*/
- eth_mirror_rule_reset_t mirror_rule_reset; /**< reset a traffic mirror rule.*/
- eth_set_vf_rx_mode_t set_vf_rx_mode; /**< Set VF RX mode */
- eth_set_vf_rx_t set_vf_rx; /**< enable/disable a VF receive */
- eth_set_vf_tx_t set_vf_tx; /**< enable/disable a VF transmit */
- eth_set_vf_vlan_filter_t set_vf_vlan_filter; /**< Set VF VLAN filter */
- /** Add UDP tunnel port. */
- eth_udp_tunnel_port_add_t udp_tunnel_port_add;
- /** Del UDP tunnel port. */
- eth_udp_tunnel_port_del_t udp_tunnel_port_del;
- eth_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate limit */
- eth_set_vf_rate_limit_t set_vf_rate_limit; /**< Set VF rate limit */
- /** Update redirection table. */
- reta_update_t reta_update;
- /** Query redirection table. */
- reta_query_t reta_query;
-
- 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;
- bypass_state_set_t bypass_state_set;
- bypass_state_show_t bypass_state_show;
- bypass_event_set_t bypass_event_set;
- bypass_event_show_t bypass_event_show;
- bypass_wd_timeout_set_t bypass_wd_timeout_set;
- bypass_wd_timeout_show_t bypass_wd_timeout_show;
- bypass_ver_show_t bypass_ver_show;
- bypass_wd_reset_t bypass_wd_reset;
-#endif
+ priority_flow_ctrl_set_t priority_flow_ctrl_set; /**< Setup priority flow control. */
+
+ eth_uc_hash_table_set_t uc_hash_table_set; /**< Set Unicast Table Array. */
+ eth_uc_all_hash_table_set_t uc_all_hash_table_set; /**< Set Unicast hash bitmap. */
+
+ eth_mirror_rule_set_t mirror_rule_set; /**< Add a traffic mirror rule. */
+ eth_mirror_rule_reset_t mirror_rule_reset; /**< reset a traffic mirror rule. */
+
+ eth_udp_tunnel_port_add_t udp_tunnel_port_add; /** Add UDP tunnel port. */
+ eth_udp_tunnel_port_del_t udp_tunnel_port_del; /** Del UDP tunnel port. */
+ eth_l2_tunnel_eth_type_conf_t l2_tunnel_eth_type_conf;
+ /** Config ether type of l2 tunnel. */
+ eth_l2_tunnel_offload_set_t l2_tunnel_offload_set;
+ /** Enable/disable l2 tunnel offload functions. */
- /** Configure RSS hash protocols. */
- rss_hash_update_t rss_hash_update;
- /** 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 */
- 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_set_queue_rate_limit_t set_queue_rate_limit; /**< Set queue rate limit. */
+
+ rss_hash_update_t rss_hash_update; /** Configure RSS hash protocols. */
+ rss_hash_conf_get_t rss_hash_conf_get; /** Get current RSS hash configuration. */
+ reta_update_t reta_update; /** Update redirection table. */
+ reta_query_t reta_query; /** Query redirection table. */
+
+ 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. */
+
+
+ eth_filter_ctrl_t filter_ctrl; /**< common filter control. */
+
+ eth_get_dcb_info get_dcb_info; /** Get DCB information. */
+
+ eth_timesync_enable_t timesync_enable;
/** Turn IEEE1588/802.1AS timestamping on. */
- eth_timesync_enable_t timesync_enable;
+ eth_timesync_disable_t timesync_disable;
/** 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. */
+ /** Read the IEEE1588/802.1AS RX timestamp. */
eth_timesync_read_tx_timestamp_t timesync_read_tx_timestamp;
-
- /** Get DCB information */
- eth_get_dcb_info get_dcb_info;
- /** Adjust the device clock.*/
- eth_timesync_adjust_time timesync_adjust_time;
- /** Get the device clock time. */
- eth_timesync_read_time timesync_read_time;
- /** Set the device clock time. */
- eth_timesync_write_time timesync_write_time;
- /** Config ether type of l2 tunnel */
- eth_l2_tunnel_eth_type_conf_t l2_tunnel_eth_type_conf;
- /** Enable/disable l2 tunnel offload functions */
- eth_l2_tunnel_offload_set_t l2_tunnel_offload_set;
+ /** Read the IEEE1588/802.1AS TX timestamp. */
+ eth_timesync_adjust_time timesync_adjust_time; /** Adjust the device clock. */
+ eth_timesync_read_time timesync_read_time; /** Get the device clock time. */
+ eth_timesync_write_time timesync_write_time; /** Set the device clock time. */
+
+ eth_xstats_get_by_id_t xstats_get_by_id;
+ /**< Get extended device statistic values by ID. */
+ eth_xstats_get_names_by_id_t xstats_get_names_by_id;
+ /**< Get name of extended device statistics by ID. */
};
/**
void *param;
};
+/**
+ * A set of values to describe the possible states of an eth device.
+ */
+enum rte_eth_dev_state {
+ RTE_ETH_DEV_UNUSED = 0,
+ RTE_ETH_DEV_ATTACHED,
+};
+
/**
* @internal
* The generic data structure associated with each ethernet device.
struct rte_eth_dev {
eth_rx_burst_t rx_pkt_burst; /**< Pointer to PMD receive function. */
eth_tx_burst_t tx_pkt_burst; /**< Pointer to PMD transmit function. */
+ eth_tx_prep_t tx_pkt_prepare; /**< Pointer to PMD transmit prepare function. */
struct rte_eth_dev_data *data; /**< Pointer to device data */
- const struct eth_driver *driver;/**< Driver for this device */
const struct eth_dev_ops *dev_ops; /**< Functions exported by PMD */
- struct rte_pci_device *pci_dev; /**< PCI info. supplied by probing */
+ struct rte_device *device; /**< Backing device */
+ struct rte_intr_handle *intr_handle; /**< Device interrupt handle */
/** User application callbacks for NIC interrupts */
struct rte_eth_dev_cb_list link_intr_cbs;
/**
* received packets before passing them to the driver for transmission.
*/
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_state state; /**< Flag indicating the port state */
} __rte_cache_aligned;
struct rte_eth_dev_sriov {
uint32_t dev_flags; /**< Capabilities */
enum rte_kernel_driver kdrv; /**< Kernel driver passthrough */
int numa_node; /**< NUMA node connection */
- const char *drv_name; /**< Driver name */
};
/** Device supports hotplug detach */
#define RTE_ETH_DEV_INTR_LSC 0x0002
/** Device is a bonded slave */
#define RTE_ETH_DEV_BONDED_SLAVE 0x0004
+/** Device supports device removal interrupt */
+#define RTE_ETH_DEV_INTR_RMV 0x0008
/**
* @internal
*/
extern struct rte_eth_dev rte_eth_devices[];
+/**
+ * Iterates over valid ethdev ports.
+ *
+ * @param port_id
+ * The id of the next possible valid port.
+ * @return
+ * Next valid port id, RTE_MAX_ETHPORTS if there is none.
+ */
+uint8_t rte_eth_find_next(uint8_t port_id);
+
+/**
+ * Macro to iterate over all enabled ethdev ports.
+ */
+#define RTE_ETH_FOREACH_DEV(p) \
+ for (p = rte_eth_find_next(0); \
+ (unsigned int)p < (unsigned int)RTE_MAX_ETHPORTS; \
+ p = rte_eth_find_next(p + 1))
+
+
/**
* Get the total number of Ethernet devices that have been successfully
* initialized by the [matching] Ethernet driver during the PCI probing phase.
* immediately after invoking rte_eal_init().
* If the application unplugs a port using hotplug function, The enabled port
* numbers may be noncontiguous. In the case, the applications need to manage
- * enabled port by themselves.
+ * enabled port by using the ``RTE_ETH_FOREACH_DEV()`` macro.
*
* @return
* - The total number of usable Ethernet devices.
*/
struct rte_eth_dev *rte_eth_dev_allocate(const char *name);
+/**
+ * @internal
+ * Attach to the ethdev already initialized by the primary
+ * process.
+ *
+ * @param name Ethernet device's name.
+ * @return
+ * - Success: Slot in the rte_dev_devices array for attached
+ * device.
+ * - Error: Null pointer.
+ */
+struct rte_eth_dev *rte_eth_dev_attach_secondary(const char *name);
+
/**
* @internal
* Release the specified ethdev port.
int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
/**
- * Attach a new Ethernet device specified by aruguments.
+ * Attach a new Ethernet device specified by arguments.
*
* @param devargs
* A pointer to a strings array describing the new device
*/
int rte_eth_dev_detach(uint8_t port_id, char *devname);
-struct eth_driver;
-/**
- * @internal
- * Initialization function of an Ethernet driver invoked for each matching
- * Ethernet PCI device detected during the PCI probing 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.
- * The *eth_dev* structure is supplied to the driver initialization function
- * with the following fields already initialized:
- *
- * - *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).
- *
- * - *port_id*: Contains the port index of the device (actually the index
- * of the *eth_dev* structure in the *rte_eth_devices* array).
- *
- * @return
- * - 0: Success, the device is properly initialized by the driver.
- * In particular, the driver MUST have set up the *dev_ops* pointer
- * of the *eth_dev* structure.
- * - <0: Error code of the device initialization failure.
- */
-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 structure associated with a PMD Ethernet driver.
- *
- * Each Ethernet driver acts as a PCI driver and is represented by a generic
- * *eth_driver* structure that holds:
- *
- * - An *rte_pci_driver* structure (which must be the first field).
- *
- * - 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. */
-};
-
/**
* Convert a numerical speed in Mbps to a bitmap flag that can be used in
* the bitmap link_speeds of the struct rte_eth_conf
* @param port_id
* The port identifier of the Ethernet device.
* @param xstats_names
- * Block of memory to insert names into. Must be at least size in capacity.
- * If set to NULL, function returns required capacity.
+ * An rte_eth_xstat_name array of at least *size* elements to
+ * be filled. If set to NULL, the function returns the required number
+ * of elements.
* @param size
- * Capacity of xstats_names (number of names).
+ * The size of the xstats_names array (number of elements).
* @return
- * - positive value lower or equal to size: success. The return value
+ * - A positive value lower or equal to size: success. The return value
* is the number of entries filled in the stats table.
- * - positive value higher than size: error, the given statistics table
+ * - A positive value higher than size: error, the given statistics table
* is too small. The return value corresponds to the size that should
* be given to succeed. The entries in the table are not valid and
* shall not be used by the caller.
- * - negative value on error (invalid port id)
+ * - A negative value on error (invalid port id).
*/
int rte_eth_xstats_get_names(uint8_t port_id,
struct rte_eth_xstat_name *xstats_names,
- unsigned size);
+ unsigned int size);
/**
* Retrieve extended statistics of an Ethernet device.
* The port identifier of the Ethernet device.
* @param xstats
* A pointer to a table of structure of type *rte_eth_xstat*
- * to be filled with device statistics ids and values.
+ * to be filled with device statistics ids and values: id is the
+ * index of the name string in xstats_names (see rte_eth_xstats_get_names()),
+ * and value is the statistic counter.
* This parameter can be set to NULL if n is 0.
* @param n
- * The size of the stats table, which should be large enough to store
- * all the statistics of the device.
+ * The size of the xstats array (number of elements).
* @return
- * - positive value lower or equal to n: success. The return value
+ * - A positive value lower or equal to n: success. The return value
* is the number of entries filled in the stats table.
- * - positive value higher than n: error, the given statistics table
+ * - A positive value higher than n: error, the given statistics table
* is too small. The return value corresponds to the size that should
* be given to succeed. The entries in the table are not valid and
* shall not be used by the caller.
- * - negative value on error (invalid port id)
+ * - A negative value on error (invalid port id).
*/
int rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats,
- unsigned n);
+ unsigned int n);
+
+/**
+ * Retrieve names of extended statistics of an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param xstats_names
+ * An rte_eth_xstat_name array of at least *size* elements to
+ * be filled. If set to NULL, the function returns the required number
+ * of elements.
+ * @param ids
+ * IDs array given by app to retrieve specific statistics
+ * @param size
+ * The size of the xstats_names array (number of elements).
+ * @return
+ * - A positive value lower or equal to size: success. The return value
+ * is the number of entries filled in the stats table.
+ * - A positive value higher than size: error, the given statistics table
+ * is too small. The return value corresponds to the size that should
+ * be given to succeed. The entries in the table are not valid and
+ * shall not be used by the caller.
+ * - A negative value on error (invalid port id).
+ */
+int
+rte_eth_xstats_get_names_by_id(uint8_t port_id,
+ struct rte_eth_xstat_name *xstats_names, unsigned int size,
+ uint64_t *ids);
+
+/**
+ * Retrieve extended statistics of an Ethernet device.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param ids
+ * A pointer to an ids array passed by application. This tells which
+ * statistics values function should retrieve. This parameter
+ * can be set to NULL if n is 0. In this case function will retrieve
+ * all avalible statistics.
+ * @param values
+ * A pointer to a table to be filled with device statistics values.
+ * @param n
+ * The size of the ids array (number of elements).
+ * @return
+ * - A positive value lower or equal to n: success. The return value
+ * is the number of entries filled in the stats table.
+ * - A positive value higher than n: error, the given statistics table
+ * is too small. The return value corresponds to the size that should
+ * be given to succeed. The entries in the table are not valid and
+ * shall not be used by the caller.
+ * - A negative value on error (invalid port id).
+ */
+int rte_eth_xstats_get_by_id(uint8_t port_id, const uint64_t *ids,
+ uint64_t *values, unsigned int n);
+
+/**
+ * Gets the ID of a statistic from its name.
+ *
+ * This function searches for the statistics using string compares, and
+ * as such should not be used on the fast-path. For fast-path retrieval of
+ * specific statistics, store the ID as provided in *id* from this function,
+ * and pass the ID to rte_eth_xstats_get()
+ *
+ * @param port_id The port to look up statistics from
+ * @param xstat_name The name of the statistic to return
+ * @param[out] id A pointer to an app-supplied uint64_t which should be
+ * set to the ID of the stat if the stat exists.
+ * @return
+ * 0 on success
+ * -ENODEV for invalid port_id,
+ * -EINVAL if the xstat_name doesn't exist in port_id
+ */
+int rte_eth_xstats_get_id_by_name(uint8_t port_id, const char *xstat_name,
+ uint64_t *id);
/**
* Reset extended statistics of an Ethernet device.
*/
void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info);
+/**
+ * Retrieve the firmware version of a device.
+ *
+ * @param port_id
+ * The port identifier of the device.
+ * @param fw_version
+ * A pointer to a string array storing the firmware version of a device,
+ * the string includes terminating null. This pointer is allocated by caller.
+ * @param fw_size
+ * The size of the string array pointed by fw_version, which should be
+ * large enough to store firmware version of the device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if operation is not supported.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (>0) if *fw_size* is not enough to store firmware version, return
+ * the size of the non truncated string.
+ */
+int rte_eth_dev_fw_version_get(uint8_t port_id,
+ char *fw_version, size_t fw_size);
+
/**
* Retrieve the supported packet types of an Ethernet device.
*
* @param ptype_mask
* A hint of what kind of packet type which the caller is interested in.
* @param ptypes
- * An array pointer to store adequent packet types, allocated by caller.
+ * An array pointer to store adequate packet types, allocated by caller.
* @param num
* Size of the array pointed by param ptypes.
* @return
int rte_eth_dev_get_vlan_offload(uint8_t port_id);
/**
- * Set port based TX VLAN insersion on or off.
+ * Set port based TX VLAN insertion on or off.
*
* @param port_id
* The port identifier of the Ethernet device.
* @param pvid
- * Port based TX VLAN identifier togeth with user priority.
+ * Port based TX VLAN identifier together with user priority.
* @param on
* Turn on or off the port based TX VLAN insertion.
*
* method to retrieve bursts of received packets and to immediately
* queue them for further parallel processing by another logical core,
* for instance. However, instead of having received packets being
- * individually queued by the driver, this approach allows the invoker
+ * individually queued by the driver, this approach allows the caller
* of the rte_eth_rx_burst() function to queue a burst of retrieved
* packets at a time and therefore dramatically reduce the cost of
* enqueue/dequeue operations per packet.
}
/**
- * Get the number of used descriptors in a specific queue
+ * Get the number of used descriptors of a rx queue
*
* @param port_id
* The port identifier of the Ethernet device.
* The queue id on the specific port.
* @return
* The number of used descriptors in the specific queue, or:
- * (-EINVAL) if *port_id* is invalid
+ * (-EINVAL) if *port_id* or *queue_id* is invalid
* (-ENOTSUP) if the device does not support this function
*/
static inline int
rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
{
- struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+ struct rte_eth_dev *dev;
+
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
+ dev = &rte_eth_devices[port_id];
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_count, -ENOTSUP);
- return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
+ if (queue_id >= dev->data->nb_rx_queues)
+ return -EINVAL;
+
+ return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
}
/**
dev->data->rx_queues[queue_id], offset);
}
+#define RTE_ETH_RX_DESC_AVAIL 0 /**< Desc available for hw. */
+#define RTE_ETH_RX_DESC_DONE 1 /**< Desc done, filled by hw. */
+#define RTE_ETH_RX_DESC_UNAVAIL 2 /**< Desc used by driver or hw. */
+
+/**
+ * Check the status of a Rx descriptor in the queue
+ *
+ * It should be called in a similar context than the Rx function:
+ * - on a dataplane core
+ * - not concurrently on the same queue
+ *
+ * Since it's a dataplane function, no check is performed on port_id and
+ * queue_id. The caller must therefore ensure that the port is enabled
+ * and the queue is configured and running.
+ *
+ * Note: accessing to a random descriptor in the ring may trigger cache
+ * misses and have a performance impact.
+ *
+ * @param port_id
+ * A valid port identifier of the Ethernet device which.
+ * @param queue_id
+ * A valid Rx queue identifier on this port.
+ * @param offset
+ * The offset of the descriptor starting from tail (0 is the next
+ * packet to be received by the driver).
+ *
+ * @return
+ * - (RTE_ETH_RX_DESC_AVAIL): Descriptor is available for the hardware to
+ * receive a packet.
+ * - (RTE_ETH_RX_DESC_DONE): Descriptor is done, it is filled by hw, but
+ * not yet processed by the driver (i.e. in the receive queue).
+ * - (RTE_ETH_RX_DESC_UNAVAIL): Descriptor is unavailable, either hold by
+ * the driver and not yet returned to hw, or reserved by the hw.
+ * - (-EINVAL) bad descriptor offset.
+ * - (-ENOTSUP) if the device does not support this function.
+ * - (-ENODEV) bad port or queue (only if compiled with debug).
+ */
+static inline int
+rte_eth_rx_descriptor_status(uint8_t port_id, uint16_t queue_id,
+ uint16_t offset)
+{
+ struct rte_eth_dev *dev;
+ void *rxq;
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+#endif
+ dev = &rte_eth_devices[port_id];
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ if (queue_id >= dev->data->nb_rx_queues)
+ return -ENODEV;
+#endif
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_descriptor_status, -ENOTSUP);
+ rxq = dev->data->rx_queues[queue_id];
+
+ return (*dev->dev_ops->rx_descriptor_status)(rxq, offset);
+}
+
+#define RTE_ETH_TX_DESC_FULL 0 /**< Desc filled for hw, waiting xmit. */
+#define RTE_ETH_TX_DESC_DONE 1 /**< Desc done, packet is transmitted. */
+#define RTE_ETH_TX_DESC_UNAVAIL 2 /**< Desc used by driver or hw. */
+
+/**
+ * Check the status of a Tx descriptor in the queue.
+ *
+ * It should be called in a similar context than the Tx function:
+ * - on a dataplane core
+ * - not concurrently on the same queue
+ *
+ * Since it's a dataplane function, no check is performed on port_id and
+ * queue_id. The caller must therefore ensure that the port is enabled
+ * and the queue is configured and running.
+ *
+ * Note: accessing to a random descriptor in the ring may trigger cache
+ * misses and have a performance impact.
+ *
+ * @param port_id
+ * A valid port identifier of the Ethernet device which.
+ * @param queue_id
+ * A valid Tx queue identifier on this port.
+ * @param offset
+ * The offset of the descriptor starting from tail (0 is the place where
+ * the next packet will be send).
+ *
+ * @return
+ * - (RTE_ETH_TX_DESC_FULL) Descriptor is being processed by the hw, i.e.
+ * in the transmit queue.
+ * - (RTE_ETH_TX_DESC_DONE) Hardware is done with this descriptor, it can
+ * be reused by the driver.
+ * - (RTE_ETH_TX_DESC_UNAVAIL): Descriptor is unavailable, reserved by the
+ * driver or the hardware.
+ * - (-EINVAL) bad descriptor offset.
+ * - (-ENOTSUP) if the device does not support this function.
+ * - (-ENODEV) bad port or queue (only if compiled with debug).
+ */
+static inline int rte_eth_tx_descriptor_status(uint8_t port_id,
+ uint16_t queue_id, uint16_t offset)
+{
+ struct rte_eth_dev *dev;
+ void *txq;
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+#endif
+ dev = &rte_eth_devices[port_id];
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ if (queue_id >= dev->data->nb_tx_queues)
+ return -ENODEV;
+#endif
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->tx_descriptor_status, -ENOTSUP);
+ txq = dev->data->tx_queues[queue_id];
+
+ return (*dev->dev_ops->tx_descriptor_status)(txq, offset);
+}
+
/**
* Send a burst of output packets on a transmit queue of an Ethernet device.
*
return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id], tx_pkts, nb_pkts);
}
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * Process a burst of output packets on a transmit queue of an Ethernet device.
+ *
+ * The rte_eth_tx_prepare() function is invoked to prepare output packets to be
+ * transmitted on the output queue *queue_id* of the Ethernet device designated
+ * by its *port_id*.
+ * The *nb_pkts* parameter is the number of packets to be prepared which are
+ * supplied in the *tx_pkts* array of *rte_mbuf* structures, each of them
+ * allocated from a pool created with rte_pktmbuf_pool_create().
+ * For each packet to send, the rte_eth_tx_prepare() function performs
+ * the following operations:
+ *
+ * - Check if packet meets devices requirements for tx offloads.
+ *
+ * - Check limitations about number of segments.
+ *
+ * - Check additional requirements when debug is enabled.
+ *
+ * - Update and/or reset required checksums when tx offload is set for packet.
+ *
+ * Since this function can modify packet data, provided mbufs must be safely
+ * writable (e.g. modified data cannot be in shared segment).
+ *
+ * The rte_eth_tx_prepare() function returns the number of packets ready to be
+ * sent. A return value equal to *nb_pkts* means that all packets are valid and
+ * ready to be sent, otherwise stops processing on the first invalid packet and
+ * leaves the rest packets untouched.
+ *
+ * When this functionality is not implemented in the driver, all packets are
+ * are returned untouched.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * The value must be a valid port id.
+ * @param queue_id
+ * The index of the transmit queue through which output packets must be
+ * sent.
+ * The value must be in the range [0, nb_tx_queue - 1] previously supplied
+ * to rte_eth_dev_configure().
+ * @param tx_pkts
+ * The address of an array of *nb_pkts* pointers to *rte_mbuf* structures
+ * which contain the output packets.
+ * @param nb_pkts
+ * The maximum number of packets to process.
+ * @return
+ * The number of packets correct and ready to be sent. The return value can be
+ * less than the value of the *tx_pkts* parameter when some packet doesn't
+ * meet devices requirements with rte_errno set appropriately:
+ * - -EINVAL: offload flags are not correctly set
+ * - -ENOTSUP: the offload feature is not supported by the hardware
+ *
+ */
+
+#ifndef RTE_ETHDEV_TX_PREPARE_NOOP
+
+static inline uint16_t
+rte_eth_tx_prepare(uint8_t port_id, uint16_t queue_id,
+ struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+ struct rte_eth_dev *dev;
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ if (!rte_eth_dev_is_valid_port(port_id)) {
+ RTE_PMD_DEBUG_TRACE("Invalid TX port_id=%d\n", port_id);
+ rte_errno = -EINVAL;
+ return 0;
+ }
+#endif
+
+ dev = &rte_eth_devices[port_id];
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ if (queue_id >= dev->data->nb_tx_queues) {
+ RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
+ rte_errno = -EINVAL;
+ return 0;
+ }
+#endif
+
+ if (!dev->tx_pkt_prepare)
+ return nb_pkts;
+
+ return (*dev->tx_pkt_prepare)(dev->data->tx_queues[queue_id],
+ tx_pkts, nb_pkts);
+}
+
+#else
+
+/*
+ * Native NOOP operation for compilation targets which doesn't require any
+ * preparations steps, and functional NOOP may introduce unnecessary performance
+ * drop.
+ *
+ * Generally this is not a good idea to turn it on globally and didn't should
+ * be used if behavior of tx_preparation can change.
+ */
+
+static inline uint16_t
+rte_eth_tx_prepare(__rte_unused uint8_t port_id, __rte_unused uint16_t queue_id,
+ __rte_unused struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+ return nb_pkts;
+}
+
+#endif
+
typedef void (*buffer_tx_error_fn)(struct rte_mbuf **unsent, uint16_t count,
void *userdata);
* causing N packets to be sent, and the error callback to be called for
* the rest.
*/
-static inline uint16_t __attribute__((always_inline))
+static __rte_always_inline uint16_t
rte_eth_tx_buffer(uint8_t port_id, uint16_t queue_id,
struct rte_eth_dev_tx_buffer *buffer, struct rte_mbuf *tx_pkt)
{
rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
void *userdata);
+/**
+ * Request the driver to free mbufs currently cached by the driver. The
+ * driver will only free the mbuf if it is no longer in use. It is the
+ * application's responsibity to ensure rte_eth_tx_buffer_flush(..) is
+ * called if needed.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param queue_id
+ * The index of the transmit queue through which output packets must be
+ * sent.
+ * The value must be in the range [0, nb_tx_queue - 1] previously supplied
+ * to rte_eth_dev_configure().
+ * @param free_cnt
+ * Maximum number of packets to free. Use 0 to indicate all possible packets
+ * should be freed. Note that a packet may be using multiple mbufs.
+ * @return
+ * Failure: < 0
+ * -ENODEV: Invalid interface
+ * -ENOTSUP: Driver does not support function
+ * Success: >= 0
+ * 0-n: Number of packets freed. More packets may still remain in ring that
+ * are in use.
+ */
+int
+rte_eth_tx_done_cleanup(uint8_t port_id, uint16_t queue_id, uint32_t free_cnt);
+
/**
* The eth device event type for interrupt, and maybe others in the future.
*/
RTE_ETH_EVENT_INTR_RESET,
/**< reset interrupt event, sent to VF on PF reset */
RTE_ETH_EVENT_VF_MBOX, /**< message from the VF received by PF */
+ RTE_ETH_EVENT_MACSEC, /**< MACsec offload related event */
+ RTE_ETH_EVENT_INTR_RMV, /**< device removal event */
RTE_ETH_EVENT_MAX /**< max value of this enum */
};
-typedef void (*rte_eth_dev_cb_fn)(uint8_t port_id, \
- enum rte_eth_event_type event, void *cb_arg);
+typedef int (*rte_eth_dev_cb_fn)(uint8_t port_id,
+ enum rte_eth_event_type event, void *cb_arg, void *ret_param);
/**< user application callback to be registered for interrupts */
* @param cb_arg
* Pointer to the parameters for the registered callback.
*
- * The user data is overwritten in the case of RTE_ETH_EVENT_VF_MBOX.
- * This even occurs when a message from the VF is received by the PF.
- * The user data is overwritten with struct rte_pmd_ixgbe_mb_event_param.
- * This struct is defined in rte_pmd_ixgbe.h.
- *
* @return
* - On success, zero.
* - On failure, a negative value.
* @param event
* Eth device interrupt event type.
* @param cb_arg
- * Update callback parameter to pass data back to user application.
+ * callback parameter.
+ * @param ret_param
+ * To pass data back to user application.
* This allows the user application to decide if a particular function
* is permitted or not.
*
* @return
- * void
+ * int
*/
-void _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
- enum rte_eth_event_type event, void *cb_arg);
+int _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
+ enum rte_eth_event_type event, void *cb_arg, void *ret_param);
/**
* 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.
+ * to be triggered when Rx packet arrives.
*
* The rte_eth_dev_rx_intr_enable() function enables rx queue
* interrupt on specific rx queue of a port.
*/
int rte_eth_dev_uc_all_hash_table_set(uint8_t port,uint8_t on);
- /**
- * Set RX L2 Filtering mode of a VF of an Ethernet device.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param vf
- * VF id.
- * @param rx_mode
- * The RX mode mask, which is one or more of accepting Untagged Packets,
- * packets that match the PFUTA table, Broadcast and Multicast Promiscuous.
- * ETH_VMDQ_ACCEPT_UNTAG,ETH_VMDQ_ACCEPT_HASH_UC,
- * ETH_VMDQ_ACCEPT_BROADCAST and ETH_VMDQ_ACCEPT_MULTICAST will be used
- * in rx_mode.
- * @param on
- * 1 - Enable a VF RX mode.
- * 0 - Disable a VF RX mode.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_set_vf_rxmode(uint8_t port, uint16_t vf, uint16_t rx_mode,
- uint8_t on);
-
-/**
-* Enable or disable a VF traffic transmit of the Ethernet device.
-*
-* @param port
-* The port identifier of the Ethernet device.
-* @param vf
-* VF id.
-* @param on
-* 1 - Enable a VF traffic transmit.
-* 0 - Disable a VF traffic transmit.
-* @return
-* - (0) if successful.
-* - (-ENODEV) if *port_id* invalid.
-* - (-ENOTSUP) if hardware doesn't support.
-* - (-EINVAL) if bad parameter.
-*/
-int
-rte_eth_dev_set_vf_tx(uint8_t port,uint16_t vf, uint8_t on);
-
-/**
-* Enable or disable a VF traffic receive of an Ethernet device.
-*
-* @param port
-* The port identifier of the Ethernet device.
-* @param vf
-* VF id.
-* @param on
-* 1 - Enable a VF traffic receive.
-* 0 - Disable a VF traffic receive.
-* @return
-* - (0) if successful.
-* - (-ENOTSUP) if hardware doesn't support.
-* - (-ENODEV) if *port_id* invalid.
-* - (-EINVAL) if bad parameter.
-*/
-int
-rte_eth_dev_set_vf_rx(uint8_t port,uint16_t vf, uint8_t on);
-
-/**
-* Enable/Disable hardware VF VLAN filtering by an Ethernet device of
-* received VLAN packets tagged with a given VLAN Tag Identifier.
-*
-* @param port id
-* The port identifier of the Ethernet device.
-* @param vlan_id
-* The VLAN Tag Identifier whose filtering must be enabled or disabled.
-* @param vf_mask
-* Bitmap listing which VFs participate in the VLAN filtering.
-* @param vlan_on
-* 1 - Enable VFs VLAN filtering.
-* 0 - Disable VFs VLAN filtering.
-* @return
-* - (0) if successful.
-* - (-ENOTSUP) if hardware doesn't support.
-* - (-ENODEV) if *port_id* invalid.
-* - (-EINVAL) if bad parameter.
-*/
-int
-rte_eth_dev_set_vf_vlan_filter(uint8_t port, uint16_t vlan_id,
- uint64_t vf_mask,
- uint8_t vlan_on);
-
/**
* Set a traffic mirroring rule on an Ethernet device
*
int rte_eth_set_queue_rate_limit(uint8_t port_id, uint16_t queue_idx,
uint16_t tx_rate);
-/**
- * Set the rate limitation for a vf on an Ethernet device.
- *
- * @param port_id
- * The port identifier of the Ethernet device.
- * @param vf
- * VF id.
- * @param tx_rate
- * The tx rate allocated from the total link speed for this VF id.
- * @param q_msk
- * The queue mask which need to set the rate.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support this feature.
- * - (-ENODEV) if *port_id* invalid.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_set_vf_rate_limit(uint8_t port_id, uint16_t vf,
- uint16_t tx_rate, uint64_t q_msk);
-
-/**
- * Initialize bypass logic. This function needs to be called before
- * executing any other bypass API.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_init(uint8_t port);
-
-/**
- * Return bypass state.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param state
- * The return bypass state.
- * - (1) Normal mode
- * - (2) Bypass mode
- * - (3) Isolate mode
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_state_show(uint8_t port, uint32_t *state);
-
-/**
- * Set bypass state
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param new_state
- * The current bypass state.
- * - (1) Normal mode
- * - (2) Bypass mode
- * - (3) Isolate mode
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_state_set(uint8_t port, uint32_t *new_state);
-
-/**
- * Return bypass state when given event occurs.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param event
- * The bypass event
- * - (1) Main power on (power button is pushed)
- * - (2) Auxiliary power on (power supply is being plugged)
- * - (3) Main power off (system shutdown and power supply is left plugged in)
- * - (4) Auxiliary power off (power supply is being unplugged)
- * - (5) Display or set the watchdog timer
- * @param state
- * The bypass state when given event occurred.
- * - (1) Normal mode
- * - (2) Bypass mode
- * - (3) Isolate mode
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_event_show(uint8_t port, uint32_t event, uint32_t *state);
-
-/**
- * Set bypass state when given event occurs.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param event
- * The bypass event
- * - (1) Main power on (power button is pushed)
- * - (2) Auxiliary power on (power supply is being plugged)
- * - (3) Main power off (system shutdown and power supply is left plugged in)
- * - (4) Auxiliary power off (power supply is being unplugged)
- * - (5) Display or set the watchdog timer
- * @param state
- * The assigned state when given event occurs.
- * - (1) Normal mode
- * - (2) Bypass mode
- * - (3) Isolate mode
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_event_store(uint8_t port, uint32_t event, uint32_t state);
-
-/**
- * Set bypass watchdog timeout count.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param timeout
- * The timeout to be set.
- * - (0) 0 seconds (timer is off)
- * - (1) 1.5 seconds
- * - (2) 2 seconds
- * - (3) 3 seconds
- * - (4) 4 seconds
- * - (5) 8 seconds
- * - (6) 16 seconds
- * - (7) 32 seconds
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_wd_timeout_store(uint8_t port, uint32_t timeout);
-
-/**
- * Get bypass firmware version.
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param ver
- * The firmware version
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_ver_show(uint8_t port, uint32_t *ver);
-
-/**
- * Return bypass watchdog timeout in seconds
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @param wd_timeout
- * The return watchdog timeout. "0" represents timer expired
- * - (0) 0 seconds (timer is off)
- * - (1) 1.5 seconds
- * - (2) 2 seconds
- * - (3) 3 seconds
- * - (4) 4 seconds
- * - (5) 8 seconds
- * - (6) 16 seconds
- * - (7) 32 seconds
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_wd_timeout_show(uint8_t port, uint32_t *wd_timeout);
-
-/**
- * Reset bypass watchdog timer
- *
- * @param port
- * The port identifier of the Ethernet device.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_dev_bypass_wd_reset(uint8_t port);
-
/**
* Configuration of Receive Side Scaling hash computation of Ethernet device.
*
* The packets with this UDP port will be identified as this type of tunnel.
* Before enabling any offloading function for a tunnel, users can call this API
* to change or add more UDP port for the tunnel. So the offloading function
- * can take effect on the packets with the sepcific UDP port.
+ * can take effect on the packets with the specific UDP port.
*
* @param port_id
* The port identifier of the Ethernet device.
* any more.
* Before enabling any offloading function for a tunnel, users can call this API
* to delete a UDP port for the tunnel. So the offloading function will not take
- * effect on the packets with the sepcific UDP port.
+ * effect on the packets with the specific UDP port.
*
* @param port_id
* The port identifier of the Ethernet device.
void *rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
rte_rx_callback_fn fn, void *user_param);
-/*
-* Add a callback that must be called first on packet RX on a given port
-* and queue.
-*
-* This API configures a first function to be called for each burst of
-* packets received on a given NIC port queue. The return value is a pointer
-* 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
-* The queue on the Ethernet device on which the callback is to be added.
-* @param fn
-* The callback function
-* @param user_param
-* A generic pointer parameter which will be passed to each invocation of the
-* callback function on this port and queue.
-*
-* @return
-* NULL on error.
-* On success, a pointer value which can later be used to remove the callback.
-*/
+/**
+ * Add a callback that must be called first on packet RX on a given port
+ * and queue.
+ *
+ * This API configures a first function to be called for each burst of
+ * packets received on a given NIC port queue. The return value is a pointer
+ * 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
+ * The queue on the Ethernet device on which the callback is to be added.
+ * @param fn
+ * The callback function
+ * @param user_param
+ * A generic pointer parameter which will be passed to each invocation of the
+ * callback function on this port and queue.
+ *
+ * @return
+ * NULL on error.
+ * On success, a pointer value which can later be used to remove the callback.
+ */
void *rte_eth_add_first_rx_callback(uint8_t port_id, uint16_t queue_id,
rte_rx_callback_fn fn, void *user_param);
*/
int rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *time);
-/**
- * Copy pci device info to the Ethernet device data.
- *
- * @param eth_dev
- * The *eth_dev* pointer is the address of the *rte_eth_dev* structure.
- * @param pci_dev
- * The *pci_dev* pointer is the address of the *rte_pci_device* structure.
- *
- * @return
- * - 0 on success, negative on error
- */
-void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev,
- struct rte_pci_device *pci_dev);
-
/**
* Create memzone for HW rings.
* malloc can't be used as the physical address is needed.
uint8_t en);
/**
-* Get the port id from pci adrress or device name
+* Get the port id from pci address or device name
* Ex: 0000:2:00.0 or vdev name net_pcap0
*
* @param name
* @param port_id
* pointer to port identifier of the device
* @return
-* - (0) if successful.
+* - (0) if successful and port_id is filled.
* - (-ENODEV or -EINVAL) on failure.
*/
int
int
rte_eth_dev_get_name_by_port(uint8_t port_id, char *name);
-/**
- * @internal
- * Wrapper for use by pci drivers as a .probe function to attach to a ethdev
- * interface.
- */
-int rte_eth_dev_pci_probe(struct rte_pci_driver *pci_drv,
- struct rte_pci_device *pci_dev);
-
-/**
- * @internal
- * Wrapper for use by pci drivers as a .remove function to detach a ethdev
- * interface.
- */
-int rte_eth_dev_pci_remove(struct rte_pci_device *pci_dev);
-
#ifdef __cplusplus
}
#endif