struct rte_mbuf;
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Initializes a device iterator.
+ *
+ * This iterator allows accessing a list of devices matching some devargs.
+ *
+ * @param iter
+ * Device iterator handle initialized by the function.
+ * The fields bus_str and cls_str might be dynamically allocated,
+ * and could be freed by calling rte_eth_iterator_cleanup().
+ *
+ * @param devargs
+ * Device description string.
+ *
+ * @return
+ * 0 on successful initialization, negative otherwise.
+ */
+__rte_experimental
+int rte_eth_iterator_init(struct rte_dev_iterator *iter, const char *devargs);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Iterates on devices with devargs filter.
+ * The ownership is not checked.
+ *
+ * The next port id is returned, and the iterator is updated.
+ *
+ * @param iter
+ * Device iterator handle initialized by rte_eth_iterator_init().
+ * Some fields bus_str and cls_str might be freed when no more port is found,
+ * by calling rte_eth_iterator_cleanup().
+ *
+ * @return
+ * A port id if found, RTE_MAX_ETHPORTS otherwise.
+ */
+__rte_experimental
+uint16_t rte_eth_iterator_next(struct rte_dev_iterator *iter);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Free some allocated fields of the iterator.
+ *
+ * This function is automatically called by rte_eth_iterator_next()
+ * on the last iteration (i.e. when no more matching port is found).
+ *
+ * It is safe to call this function twice; it will do nothing more.
+ *
+ * @param iter
+ * Device iterator handle initialized by rte_eth_iterator_init().
+ * The fields bus_str and cls_str are freed if needed.
+ */
+__rte_experimental
+void rte_eth_iterator_cleanup(struct rte_dev_iterator *iter);
+
+/**
+ * Macro to iterate over all ethdev ports matching some devargs.
+ *
+ * If a break is done before the end of the loop,
+ * the function rte_eth_iterator_cleanup() must be called.
+ *
+ * @param id
+ * Iterated port id of type uint16_t.
+ * @param devargs
+ * Device parameters input as string of type char*.
+ * @param iter
+ * Iterator handle of type struct rte_dev_iterator, used internally.
+ */
+#define RTE_ETH_FOREACH_MATCHING_DEV(id, devargs, iter) \
+ for (rte_eth_iterator_init(iter, devargs), \
+ id = rte_eth_iterator_next(iter); \
+ id != RTE_MAX_ETHPORTS; \
+ id = rte_eth_iterator_next(iter))
+
/**
* A structure used to retrieve statistics for an Ethernet port.
* Not all statistics fields in struct rte_eth_stats are supported
struct rte_intr_conf intr_conf; /**< Interrupt mode configuration. */
};
-/**
- * A structure used to retrieve the contextual information of
- * an Ethernet device, such as the controlling driver of the device,
- * its PCI context, etc...
- */
-
/**
* RX offload capabilities of a device.
*/
#define DEV_RX_OFFLOAD_VLAN_FILTER 0x00000200
#define DEV_RX_OFFLOAD_VLAN_EXTEND 0x00000400
#define DEV_RX_OFFLOAD_JUMBO_FRAME 0x00000800
-#define DEV_RX_OFFLOAD_CRC_STRIP 0x00001000
#define DEV_RX_OFFLOAD_SCATTER 0x00002000
#define DEV_RX_OFFLOAD_TIMESTAMP 0x00004000
#define DEV_RX_OFFLOAD_SECURITY 0x00008000
-
-/**
- * Invalid to set both DEV_RX_OFFLOAD_CRC_STRIP and DEV_RX_OFFLOAD_KEEP_CRC
- * No DEV_RX_OFFLOAD_CRC_STRIP flag means keep CRC
- */
#define DEV_RX_OFFLOAD_KEEP_CRC 0x00010000
+#define DEV_RX_OFFLOAD_SCTP_CKSUM 0x00020000
+#define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM 0x00040000
+
#define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \
DEV_RX_OFFLOAD_UDP_CKSUM | \
DEV_RX_OFFLOAD_TCP_CKSUM)
* for tunnel TSO.
*/
#define DEV_TX_OFFLOAD_IP_TNL_TSO 0x00080000
+/** Device supports outer UDP checksum */
+#define DEV_TX_OFFLOAD_OUTER_UDP_CKSUM 0x00100000
+/**
+ * Device supports match on metadata Tx offload..
+ * Application must set PKT_TX_METADATA and mbuf metadata field.
+ */
+#define DEV_TX_OFFLOAD_MATCH_METADATA 0x00200000
#define RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP 0x00000001
/**< Device supports Rx queue setup after device started*/
/**
* Ethernet device information
*/
+
+/**
+ * A structure used to retrieve the contextual information of
+ * an Ethernet device, such as the controlling driver of the
+ * device, etc...
+ */
struct rte_eth_dev_info {
struct rte_device *device; /** Generic device information */
const char *driver_name; /**< Device Driver name. */
char name[RTE_ETH_MAX_OWNER_NAME_LEN]; /**< The owner name. */
};
+/**
+ * Port is released (i.e. totally freed and data erased) on close.
+ * Temporary flag for PMD migration to new rte_eth_dev_close() behaviour.
+ */
+#define RTE_ETH_DEV_CLOSE_REMOVE 0x0001
/** Device supports link state interrupt */
#define RTE_ETH_DEV_INTR_LSC 0x0002
/** Device is a bonded slave */
#define RTE_ETH_DEV_INTR_RMV 0x0008
/** Device is port representor */
#define RTE_ETH_DEV_REPRESENTOR 0x0010
+/** Device does not support MAC change after started */
+#define RTE_ETH_DEV_NOLIVE_MAC_ADDR 0x0020
/**
* Iterates over valid ethdev ports owned by a specific owner.
*/
uint16_t __rte_experimental rte_eth_dev_count_total(void);
-/**
- * Attach a new Ethernet device specified by arguments.
- *
- * @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 'net_pcap0'.
- * @param port_id
- * A pointer to a port identifier actually attached.
- * @return
- * 0 on success and port_id is filled, negative on error
- */
-__rte_deprecated
-int rte_eth_dev_attach(const char *devargs, uint16_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 buffer that will be filled with the device name.
- * This buffer must be at least RTE_DEV_NAME_MAX_LEN long.
- * @return
- * 0 on success and devname is filled, negative on error
- */
-__rte_deprecated
-int rte_eth_dev_detach(uint16_t port_id, char *devname);
-
/**
* 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
uint32_t rte_eth_speed_bitflag(uint32_t speed, int duplex);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get DEV_RX_OFFLOAD_* flag name.
*
* @param offload
* @return
* Offload name or 'UNKNOWN' if the flag cannot be recognised.
*/
-const char * __rte_experimental rte_eth_dev_rx_offload_name(uint64_t offload);
+const char *rte_eth_dev_rx_offload_name(uint64_t offload);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get DEV_TX_OFFLOAD_* flag name.
*
* @param offload
* @return
* Offload name or 'UNKNOWN' if the flag cannot be recognised.
*/
-const char * __rte_experimental rte_eth_dev_tx_offload_name(uint64_t offload);
+const char *rte_eth_dev_tx_offload_name(uint64_t offload);
/**
* Configure an Ethernet device.
* The device start step is the last one and consists of setting the configured
* offload features and in starting the transmit and the receive units of the
* device.
+ *
+ * Device RTE_ETH_DEV_NOLIVE_MAC_ADDR flag causes MAC address to be set before
+ * PMD port start callback function is invoked.
+ *
* On success, all basic functions exported by the Ethernet API (link status,
* receive/transmit, and so on) can be invoked.
*
/**
* 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().
+ * The function frees all port resources if the driver supports
+ * the flag RTE_ETH_DEV_CLOSE_REMOVE.
*
* @param port_id
* The port identifier of the Ethernet device.
int rte_eth_dev_rx_intr_ctl_q(uint16_t port_id, uint16_t queue_id,
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
+ * 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) the interrupt fd associated to the requested Rx queue if
+ * successful.
+ * - (-1) on error.
+ */
+int __rte_experimental
+rte_eth_dev_rx_intr_ctl_q_get_fd(uint16_t port_id, uint16_t queue_id);
+
/**
* Turn on the LED on the Ethernet device.
* This function turns on the LED on the Ethernet device.
Code Review / deb_dpdk.git / blobdiff