/**< Total number of queue packets received that are dropped. */
};
-/**
+/**@{@name Link speed capabilities
* Device supported speeds bitmap flags
*/
#define ETH_LINK_SPEED_AUTONEG (0 << 0) /**< Autonegotiate (all speeds) */
#define ETH_LINK_SPEED_56G (1 << 13) /**< 56 Gbps */
#define ETH_LINK_SPEED_100G (1 << 14) /**< 100 Gbps */
#define ETH_LINK_SPEED_200G (1 << 15) /**< 200 Gbps */
+/**@}*/
-/**
+/**@{@name Link speed
* Ethernet numeric link speeds in Mbps
*/
#define ETH_SPEED_NUM_NONE 0 /**< Not defined */
#define ETH_SPEED_NUM_100G 100000 /**< 100 Gbps */
#define ETH_SPEED_NUM_200G 200000 /**< 200 Gbps */
#define ETH_SPEED_NUM_UNKNOWN UINT32_MAX /**< Unknown */
+/**@}*/
/**
* A structure used to retrieve link-level information of an Ethernet port.
uint16_t link_status : 1; /**< ETH_LINK_[DOWN/UP] */
} __rte_aligned(8); /**< aligned for atomic64 read/write */
-/* Utility constants */
+/**@{@name Link negotiation
+ * Constants used in link management.
+ */
#define ETH_LINK_HALF_DUPLEX 0 /**< Half-duplex connection (see link_duplex). */
#define ETH_LINK_FULL_DUPLEX 1 /**< Full-duplex connection (see link_duplex). */
#define ETH_LINK_DOWN 0 /**< Link is down (see link_status). */
#define ETH_LINK_FIXED 0 /**< No autonegotiation (see link_autoneg). */
#define ETH_LINK_AUTONEG 1 /**< Autonegotiated (see link_autoneg). */
#define RTE_ETH_LINK_MAX_STR_LEN 40 /**< Max length of default link string. */
+/**@}*/
/**
* A structure used to configure the ring threshold registers of an RX/TX
uint8_t wthresh; /**< Ring writeback threshold. */
};
-/**
- * Simple flags are used for rte_eth_conf.rxmode.mq_mode.
+/**@{@name Multi-queue mode
+ * @see rte_eth_conf.rxmode.mq_mode.
*/
-#define ETH_MQ_RX_RSS_FLAG 0x1
-#define ETH_MQ_RX_DCB_FLAG 0x2
-#define ETH_MQ_RX_VMDQ_FLAG 0x4
+#define ETH_MQ_RX_RSS_FLAG 0x1 /**< Enable RSS. @see rte_eth_rss_conf */
+#define ETH_MQ_RX_DCB_FLAG 0x2 /**< Enable DCB. */
+#define ETH_MQ_RX_VMDQ_FLAG 0x4 /**< Enable VMDq. */
+/**@}*/
/**
* A set of values to identify what method is to be used to route
#define ETH_RSS_PPPOE (1ULL << 31)
#define ETH_RSS_ECPRI (1ULL << 32)
#define ETH_RSS_MPLS (1ULL << 33)
+#define ETH_RSS_IPV4_CHKSUM (1ULL << 34)
+
+/**
+ * The ETH_RSS_L4_CHKSUM works on checksum field of any L4 header.
+ * It is similar to ETH_RSS_PORT that they don't specify the specific type of
+ * L4 header. This macro is defined to replace some specific L4 (TCP/UDP/SCTP)
+ * checksum type for constructing the use of RSS offload bits.
+ *
+ * Due to above reason, some old APIs (and configuration) don't support
+ * ETH_RSS_L4_CHKSUM. The rte_flow RSS API supports it.
+ *
+ * For the case that checksum is not used in an UDP header,
+ * it takes the reserved value 0 as input for the hash function.
+ */
+#define ETH_RSS_L4_CHKSUM (1ULL << 35)
/*
* We use the following macros to combine with above ETH_RSS_* for
#define ETH_RSS_RETA_SIZE_512 512
#define RTE_RETA_GROUP_SIZE 64
-/* Definitions used for VMDQ and DCB functionality */
+/**@{@name VMDq and DCB maximums */
#define ETH_VMDQ_MAX_VLAN_FILTERS 64 /**< Maximum nb. of VMDQ vlan filters. */
#define ETH_DCB_NUM_USER_PRIORITIES 8 /**< Maximum nb. of DCB priorities. */
#define ETH_VMDQ_DCB_NUM_QUEUES 128 /**< Maximum nb. of VMDQ DCB queues. */
#define ETH_DCB_NUM_QUEUES 128 /**< Maximum nb. of DCB queues. */
+/**@}*/
-/* DCB capability defines */
+/**@{@name DCB capabilities */
#define ETH_DCB_PG_SUPPORT 0x00000001 /**< Priority Group(ETS) support. */
#define ETH_DCB_PFC_SUPPORT 0x00000002 /**< Priority Flow Control support. */
+/**@}*/
-/* Definitions used for VLAN Offload functionality */
+/**@{@name VLAN offload bits */
#define ETH_VLAN_STRIP_OFFLOAD 0x0001 /**< VLAN Strip On/Off */
#define ETH_VLAN_FILTER_OFFLOAD 0x0002 /**< VLAN Filter On/Off */
#define ETH_VLAN_EXTEND_OFFLOAD 0x0004 /**< VLAN Extend On/Off */
#define ETH_QINQ_STRIP_OFFLOAD 0x0008 /**< QINQ Strip On/Off */
-/* Definitions used for mask VLAN setting */
#define ETH_VLAN_STRIP_MASK 0x0001 /**< VLAN Strip setting mask */
#define ETH_VLAN_FILTER_MASK 0x0002 /**< VLAN Filter setting mask*/
#define ETH_VLAN_EXTEND_MASK 0x0004 /**< VLAN Extend setting mask*/
#define ETH_QINQ_STRIP_MASK 0x0008 /**< QINQ Strip setting mask */
#define ETH_VLAN_ID_MAX 0x0FFF /**< VLAN ID is in lower 12 bits*/
+/**@}*/
/* Definitions used for receive MAC address */
#define ETH_NUM_RECEIVE_MAC_ADDR 128 /**< Maximum nb. of receive mac addr. */
/* Definitions used for unicast hash */
#define ETH_VMDQ_NUM_UC_HASH_ARRAY 128 /**< Maximum nb. of UC hash array. */
-/* Definitions used for VMDQ pool rx mode setting */
+/**@{@name VMDq Rx mode
+ * @see rte_eth_vmdq_rx_conf.rx_mode
+ */
#define ETH_VMDQ_ACCEPT_UNTAG 0x0001 /**< accept untagged packets. */
#define ETH_VMDQ_ACCEPT_HASH_MC 0x0002 /**< accept packets in multicast table . */
#define ETH_VMDQ_ACCEPT_HASH_UC 0x0004 /**< accept packets in unicast table. */
#define ETH_VMDQ_ACCEPT_BROADCAST 0x0008 /**< accept broadcast packets. */
#define ETH_VMDQ_ACCEPT_MULTICAST 0x0010 /**< multicast promiscuous. */
-
-/** Maximum nb. of vlan per mirror rule */
-#define ETH_MIRROR_MAX_VLANS 64
-
-#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. */
- /** 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_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 */
- /** VLAN ID setting for VLAN mirroring. */
- struct rte_eth_vlan_mirror vlan;
-};
+/**@}*/
/**
* A structure used to configure 64 entries of Redirection Table of the
void *reserved_ptrs[2]; /**< Reserved for future fields */
};
+/**@{@name Rx/Tx queue states */
+#define RTE_ETH_QUEUE_STATE_STOPPED 0 /**< Queue stopped. */
+#define RTE_ETH_QUEUE_STATE_STARTED 1 /**< Queue started. */
+#define RTE_ETH_QUEUE_STATE_HAIRPIN 2 /**< Queue used for hairpin. */
+/**@}*/
+
/**
* Ethernet device RX queue information structure.
* Used to retrieve information about configured queue.
struct rte_mempool *mp; /**< mempool used by that queue. */
struct rte_eth_rxconf conf; /**< queue config parameters. */
uint8_t scattered_rx; /**< scattered packets RX supported. */
+ uint8_t queue_state; /**< one of RTE_ETH_QUEUE_STATE_*. */
uint16_t nb_desc; /**< configured number of RXDs. */
uint16_t rx_buf_size; /**< hardware receive buffer size. */
} __rte_cache_min_aligned;
struct rte_eth_txq_info {
struct rte_eth_txconf conf; /**< queue config parameters. */
uint16_t nb_desc; /**< configured number of TXDs. */
+ uint8_t queue_state; /**< one of RTE_ETH_QUEUE_STATE_*. */
} __rte_cache_min_aligned;
/* Generic Burst mode flag definition, values can be ORed. */
} \
} while (0)
-/**
- * l2 tunnel configuration.
- */
-
+/**@{@name L2 tunnel configuration */
/**< l2 tunnel enable mask */
#define ETH_L2_TUNNEL_ENABLE_MASK 0x00000001
/**< l2 tunnel insertion mask */
#define ETH_L2_TUNNEL_STRIPPING_MASK 0x00000004
/**< l2 tunnel forwarding mask */
#define ETH_L2_TUNNEL_FORWARDING_MASK 0x00000008
+/**@}*/
/**
* Function type used for RX packet processing packet callbacks.
char name[RTE_ETH_MAX_OWNER_NAME_LEN]; /**< The owner name. */
};
+/**@{@name Device flags
+ * Flags internally saved in rte_eth_dev_data.dev_flags
+ * and reported in rte_eth_dev_info.dev_flags.
+ */
/** PMD supports thread-safe flow operations */
#define RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE 0x0001
/** Device supports link state interrupt */
* PMDs filling the queue xstats themselves should not set this flag
*/
#define RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS 0x0040
+/**@}*/
/**
* Iterates over valid ethdev ports owned by a specific owner.
RTE_ETH_FOREACH_DEV_OWNED_BY(p, RTE_ETH_DEV_NO_OWNER)
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice.
- *
* Iterates over ethdev ports of a specified device.
*
* @param port_id_start
* Next port id of the device, possibly port_id_start,
* RTE_MAX_ETHPORTS if there is none.
*/
-__rte_experimental
uint16_t
rte_eth_find_next_of(uint16_t port_id_start,
const struct rte_device *parent);
port_id = rte_eth_find_next_of(port_id + 1, parent))
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice.
- *
* Iterates over sibling ethdev ports (i.e. sharing the same rte_device).
*
* @param port_id_start
* Next sibling port id, possibly port_id_start or ref_port_id itself,
* RTE_MAX_ETHPORTS if there is none.
*/
-__rte_experimental
uint16_t
rte_eth_find_next_sibling(uint16_t port_id_start, uint16_t ref_port_id);
* The configuration structure also contains the pointer to the array
* of the receiving buffer segment descriptions, see rx_seg and rx_nseg
* fields, this extended configuration might be used by split offloads like
- * RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT. If mp_pool is not NULL,
+ * RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT. If mb_pool is not NULL,
* the extended configuration fields must be set to NULL and zero.
* @param mb_pool
* The pointer to the memory pool from which to allocate *rte_mbuf* network
* - (0) if successful.
* - (-ENOTSUP) if the function is not supported in PMD driver.
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_link_get(uint16_t port_id, struct rte_eth_link *link);
* - (0) if successful.
* - (-ENOTSUP) if the function is not supported in PMD driver.
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *link);
* @param eth_link
* Link status returned by rte_eth_link_get function
* @return
- * Number of bytes written to str array.
+ * Number of bytes written to str array or -EINVAL if bad parameter.
*/
__rte_experimental
int rte_eth_link_to_str(char *str, size_t len,
* @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
+ * Array to be filled in with names of requested device statistics.
+ * Must not be NULL if @p ids are specified (not NULL).
* @param size
- * The size of the xstats_names array (number of elements).
+ * Number of elements in @p xstats_names array (if not NULL) and in
+ * @p ids array (if not NULL). Must be 0 if both array pointers are NULL.
+ * @param ids
+ * IDs array given by app to retrieve specific statistics. May be NULL to
+ * retrieve names of all available statistics or, if @p xstats_names is
+ * NULL as well, just the number of available statistics.
* @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
+ * - A positive value higher than size: success. 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).
+ * - A negative value on error.
*/
int
rte_eth_xstats_get_names_by_id(uint16_t port_id,
* @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 size is 0. In this case function will retrieve
- * all available statistics.
+ * IDs array given by app to retrieve specific statistics. May be NULL to
+ * retrieve all available statistics or, if @p values is NULL as well,
+ * just the number of available statistics.
* @param values
- * A pointer to a table to be filled with device statistics values.
+ * Array to be filled in with requested device statistics.
+ * Must not be NULL if ids are specified (not NULL).
* @param size
- * The size of the ids array (number of elements).
+ * Number of elements in @p values array (if not NULL) and in @p ids
+ * array (if not NULL). Must be 0 if both array pointers are NULL.
* @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
+ * - A positive value higher than size: success: 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).
+ * - A negative value on error.
*/
int rte_eth_xstats_get_by_id(uint16_t port_id, const uint64_t *ids,
uint64_t *values, unsigned int size);
* -ENODEV for invalid port_id,
* -EIO if device is removed,
* -EINVAL if the xstat_name doesn't exist in port_id
+ * -ENOMEM if bad parameter.
*/
int rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
uint64_t *id);
* @return
* - (0) if successful
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr);
* - (0) if successful.
* - (-ENOTSUP) if support for dev_infos_get() does not exist for the device.
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info);
* - (-ENOTSUP) if operation is not supported.
* - (-ENODEV) if *port_id* invalid.
* - (-EIO) if device is removed.
+ * - (-EINVAL) if bad parameter.
* - (>0) if *fw_size* is not enough to store firmware version, return
* the size of the non truncated string.
*/
* only num entries will be filled into the ptypes array, but the full
* count of supported ptypes will be returned.
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask,
uint32_t *ptypes, int num);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice.
- *
* Inform Ethernet device about reduced range of packet types to handle.
*
* Application can use this function to set only specific ptypes that it's
* - (-EINVAL) if *ptype_mask* is invalid (or) set_ptypes is NULL and
* num > 0.
*/
-__rte_experimental
int rte_eth_dev_set_ptypes(uint16_t port_id, uint32_t ptype_mask,
uint32_t *set_ptypes, unsigned int num);
* @return
* - (0) if successful.
* - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_get_mtu(uint16_t port_id, uint16_t *mtu);
* @param userdata
* Arbitrary parameter to be passed to the callback function
* @return
- * 0 on success, or -1 on error with rte_errno set appropriately
+ * 0 on success, or -EINVAL if bad parameter
*/
int
rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
int epfd, int op, void *data);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice.
- *
* Get interrupt fd per Rx queue.
*
* @param port_id
* successful.
* - (-1) on error.
*/
-__rte_experimental
int
rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id);
* - (-ENOTSUP) if hardware doesn't support flow control.
* - (-ENODEV) if *port_id* invalid.
* - (-EIO) if device is removed.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_flow_ctrl_get(uint16_t port_id,
struct rte_eth_fc_conf *fc_conf);
* - (0) if successful, or *mac_addr* didn't exist.
* - (-ENOTSUP) if hardware doesn't support.
* - (-ENODEV) if *port* invalid.
- * - (-EADDRINUSE) if attempting to remove the default MAC address
+ * - (-EADDRINUSE) if attempting to remove the default MAC address.
+ * - (-EINVAL) if MAC address is invalid.
*/
int rte_eth_dev_mac_addr_remove(uint16_t port_id,
struct rte_ether_addr *mac_addr);
*/
int rte_eth_dev_uc_all_hash_table_set(uint16_t port_id, uint8_t on);
-/**
- * Set a traffic mirroring rule on an Ethernet device
- *
- * @param port_id
- * The port identifier of the Ethernet device.
- * @param mirror_conf
- * The pointer to the traffic mirroring structure describing the mirroring rule.
- * The *rte_eth_vm_mirror_conf* structure includes the type of mirroring rule,
- * destination pool and the value of rule if enable vlan or pool mirroring.
- *
- * @param rule_id
- * The index of traffic mirroring rule, we support four separated rules.
- * @param on
- * 1 - Enable a mirroring rule.
- * 0 - Disable a mirroring rule.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support this feature.
- * - (-ENODEV) if *port_id* invalid.
- * - (-EIO) if device is removed.
- * - (-EINVAL) if the mr_conf information is not correct.
- */
-int rte_eth_mirror_rule_set(uint16_t port_id,
- struct rte_eth_mirror_conf *mirror_conf,
- uint8_t rule_id,
- uint8_t on);
-
-/**
- * Reset a traffic mirroring rule on an Ethernet device.
- *
- * @param port_id
- * The port identifier of the Ethernet device.
- * @param rule_id
- * The index of traffic mirroring rule, we support four separated rules.
- * @return
- * - (0) if successful.
- * - (-ENOTSUP) if hardware doesn't support this feature.
- * - (-ENODEV) if *port_id* invalid.
- * - (-EIO) if device is removed.
- * - (-EINVAL) if bad parameter.
- */
-int rte_eth_mirror_rule_reset(uint16_t port_id,
- uint8_t rule_id);
-
/**
* Set the rate limitation for a queue on an Ethernet device.
*
* - (-ENODEV) if port identifier is invalid.
* - (-EIO) if device is removed.
* - (-ENOTSUP) if hardware doesn't support RSS.
+ * - (-EINVAL) if bad parameter.
*/
int
rte_eth_dev_rss_hash_conf_get(uint16_t port_id,
* - (-ENODEV) if port identifier is invalid.
* - (-EIO) if device is removed.
* - (-ENOTSUP) if hardware doesn't support.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_get_dcb_info(uint16_t port_id,
struct rte_eth_dcb_info *dcb_info);
* - -ENOTSUP: routine is not supported by the device PMD.
* - -EINVAL: The queue_id is out of range.
*/
-__rte_experimental
int rte_eth_rx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
struct rte_eth_burst_mode *mode);
* - -ENOTSUP: routine is not supported by the device PMD.
* - -EINVAL: The queue_id is out of range.
*/
-__rte_experimental
int rte_eth_tx_burst_mode_get(uint16_t port_id, uint16_t queue_id,
struct rte_eth_burst_mode *mode);
* - (-EIO) if device is removed.
* - (-ENOTSUP) if PMD of *port_id* doesn't support multicast filtering.
* - (-ENOSPC) if *port_id* has not enough multicast filtering resources.
+ * - (-EINVAL) if bad parameter.
*/
int rte_eth_dev_set_mc_addr_list(uint16_t port_id,
struct rte_ether_addr *mc_addr_set,
*
* @return
* - 0: Success.
+ * - -EINVAL: Bad parameter.
*/
int rte_eth_timesync_read_time(uint16_t port_id, struct timespec *time);
* - 0: Success.
* - -ENODEV: The port ID is invalid.
* - -ENOTSUP: The function is not supported by the Ethernet driver.
+ * - -EINVAL: if bad parameter.
*/
__rte_experimental
int
* @return
* - (0) if successful.
* - (-ENOTSUP) if hardware doesn't support.
+ * - (-EINVAL) if bad parameter.
*/
__rte_experimental
int rte_eth_dev_hairpin_capability_get(uint16_t port_id,
struct rte_eth_representor_info {
uint16_t controller; /**< Controller ID of caller device. */
uint16_t pf; /**< Physical function ID of caller device. */
+ uint32_t nb_ranges_alloc; /**< Size of the ranges array. */
+ uint32_t nb_ranges; /**< Number of initialized ranges. */
struct rte_eth_representor_range ranges[];/**< Representor ID range. */
};
* A pointer to a representor info structure.
* NULL to return number of range entries and allocate memory
* for next call to store detail.
+ * The number of ranges that were written into this structure
+ * will be placed into its nb_ranges field. This number cannot be
+ * larger than the nb_ranges_alloc that by the user before calling
+ * this function. It can be smaller than the value returned by the
+ * function, however.
* @return
* - (-ENOTSUP) if operation is not supported.
* - (-ENODEV) if *port_id* invalid.
* - (-EIO) if device is removed.
- * - (>=0) number of representor range entries supported by device.
+ * - (>=0) number of available representor range entries.
*/
__rte_experimental
int rte_eth_representor_info_get(uint16_t port_id,
return (*dev->rx_descriptor_done)(dev->data->rx_queues[queue_id], offset);
}
+/**@{@name Rx hardware descriptor states
+ * @see rte_eth_rx_descriptor_status
+ */
#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
return (*dev->rx_descriptor_status)(rxq, offset);
}
+/**@{@name Tx hardware descriptor states
+ * @see rte_eth_tx_descriptor_status
+ */
#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.
git.droids-corp.org / dpdk.git / blobdiff