/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
enable_lro : 1; /**< Enable LRO */
};
+/**
+ * VLAN types to indicate if it is for single VLAN, inner VLAN or outer VLAN.
+ * Note that single VLAN is treated the same as inner VLAN.
+ */
+enum rte_vlan_type {
+ ETH_VLAN_TYPE_UNKNOWN = 0,
+ ETH_VLAN_TYPE_INNER, /**< Single VLAN, or inner VLAN. */
+ ETH_VLAN_TYPE_OUTER, /**< Outer VLAN. */
+ ETH_VLAN_TYPE_MAX,
+};
+
/**
* A structure used to configure the Receive Side Scaling (RSS) feature
* of an Ethernet port.
struct rte_eth_rss_reta_entry64 {
uint64_t mask;
/**< Mask bits indicate which entries need to be updated/queried. */
- uint8_t reta[RTE_RETA_GROUP_SIZE];
+ uint16_t reta[RTE_RETA_GROUP_SIZE];
/**< Group of 64 redirection table entries. */
};
/**
* UDP tunneling configuration.
+ * Used to config the UDP port for a type of tunnel.
+ * NICs need the UDP port to identify the tunnel type.
+ * Normally a type of tunnel has a default UDP port, this structure can be used
+ * in case if the users want to change or support more UDP port.
*/
struct rte_eth_udp_tunnel {
- uint16_t udp_port;
- uint8_t prot_type;
+ uint16_t udp_port; /**< UDP port used for the tunnel. */
+ uint8_t prot_type; /**< Tunnel type. Defined in rte_eth_tunnel_type. */
};
/**
#define DEV_RX_OFFLOAD_TCP_CKSUM 0x00000008
#define DEV_RX_OFFLOAD_TCP_LRO 0x00000010
#define DEV_RX_OFFLOAD_QINQ_STRIP 0x00000020
+#define DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000040
/**
* TX offload capabilities of a device.
struct rte_eth_rxconf conf; /**< queue config parameters. */
uint8_t scattered_rx; /**< scattered packets RX supported. */
uint16_t nb_desc; /**< configured number of RXDs. */
-} __rte_cache_aligned;
+} __rte_cache_min_aligned;
/**
* Ethernet device TX queue information structure.
struct rte_eth_txq_info {
struct rte_eth_txconf conf; /**< queue config parameters. */
uint16_t nb_desc; /**< configured number of TXDs. */
-} __rte_cache_aligned;
+} __rte_cache_min_aligned;
/** Maximum name length for extended statistics counters */
#define RTE_ETH_XSTATS_NAME_SIZE 64
} \
} while (0)
+/**
+ * l2 tunnel configuration.
+ */
+
+/**< l2 tunnel enable mask */
+#define ETH_L2_TUNNEL_ENABLE_MASK 0x00000001
+/**< l2 tunnel insertion mask */
+#define ETH_L2_TUNNEL_INSERTION_MASK 0x00000002
+/**< l2 tunnel stripping mask */
+#define ETH_L2_TUNNEL_STRIPPING_MASK 0x00000004
+/**< l2 tunnel forwarding mask */
+#define ETH_L2_TUNNEL_FORWARDING_MASK 0x00000008
+
/*
* Definitions of all functions exported by an Ethernet driver through the
* the generic structure of type *eth_dev_ops* supplied in the *rte_eth_dev*
int on);
/**< @internal filtering of a VLAN Tag Identifier by an Ethernet device. */
-typedef void (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
- uint16_t tpid);
+typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
+ enum rte_vlan_type type, uint16_t tpid);
/**< @internal set the outer VLAN-TPID by an Ethernet device. */
typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask);
uint8_t rule_id);
/**< @internal Remove a traffic mirroring rule on an Ethernet device */
-typedef int (*eth_udp_tunnel_add_t)(struct rte_eth_dev *dev,
- struct rte_eth_udp_tunnel *tunnel_udp);
-/**< @internal Add tunneling UDP info */
+typedef int (*eth_udp_tunnel_port_add_t)(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *tunnel_udp);
+/**< @internal Add tunneling UDP port */
-typedef int (*eth_udp_tunnel_del_t)(struct rte_eth_dev *dev,
- struct rte_eth_udp_tunnel *tunnel_udp);
-/**< @internal Delete tunneling UDP info */
+typedef int (*eth_udp_tunnel_port_del_t)(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *tunnel_udp);
+/**< @internal Delete tunneling UDP port */
typedef int (*eth_set_mc_addr_list_t)(struct rte_eth_dev *dev,
struct ether_addr *mc_addr_set,
struct rte_dev_eeprom_info *info);
/**< @internal Program eeprom data */
+typedef int (*eth_l2_tunnel_eth_type_conf_t)
+ (struct rte_eth_dev *dev, struct rte_eth_l2_tunnel_conf *l2_tunnel);
+/**< @internal config l2 tunnel ether type */
+
+typedef int (*eth_l2_tunnel_offload_set_t)
+ (struct rte_eth_dev *dev,
+ struct rte_eth_l2_tunnel_conf *l2_tunnel,
+ uint32_t mask,
+ uint8_t en);
+/**< @internal enable/disable the l2 tunnel offload functions */
+
#ifdef RTE_NIC_BYPASS
enum {
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 */
- eth_udp_tunnel_add_t udp_tunnel_add;
- eth_udp_tunnel_del_t udp_tunnel_del;
+ /** 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. */
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;
};
/**
* @return
* - The total number of usable Ethernet devices.
*/
-extern uint8_t rte_eth_dev_count(void);
+uint8_t rte_eth_dev_count(void);
/**
* @internal
* @return
* - The pointer to the ethdev slot, on success. NULL on error
*/
-extern struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
+struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
/**
* @internal
* The pointer to the *eth_driver* structure associated with
* the Ethernet driver.
*/
-extern void rte_eth_driver_register(struct eth_driver *eth_drv);
+void rte_eth_driver_register(struct eth_driver *eth_drv);
/**
* Configure an Ethernet device.
* - 0: Success, device configured.
* - <0: Error code returned by the driver configuration function.
*/
-extern int rte_eth_dev_configure(uint8_t port_id,
- uint16_t nb_rx_queue,
- uint16_t nb_tx_queue,
- const struct rte_eth_conf *eth_conf);
+int rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_queue,
+ uint16_t nb_tx_queue, const struct rte_eth_conf *eth_conf);
/**
* Allocate and set up a receive queue for an Ethernet device.
* allocate network memory buffers from the memory pool when
* initializing receive descriptors.
*/
-extern int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
- uint16_t nb_rx_desc, unsigned int socket_id,
- const struct rte_eth_rxconf *rx_conf,
- struct rte_mempool *mb_pool);
+int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
+ uint16_t nb_rx_desc, unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mb_pool);
/**
* Allocate and set up a transmit queue for an Ethernet device.
* - 0: Success, the transmit queue is correctly set up.
* - -ENOMEM: Unable to allocate the transmit ring descriptors.
*/
-extern int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
- uint16_t nb_tx_desc, unsigned int socket_id,
- const struct rte_eth_txconf *tx_conf);
+int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
+ uint16_t nb_tx_desc, unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf);
/*
* Return the NUMA socket to which an Ethernet device is connected
* a default of zero if the socket could not be determined.
* -1 is returned is the port_id value is out of range.
*/
-extern int rte_eth_dev_socket_id(uint8_t port_id);
+int rte_eth_dev_socket_id(uint8_t port_id);
/*
* Check if port_id of device is attached
* - 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);
+int rte_eth_dev_is_valid_port(uint8_t port_id);
/*
* Allocate mbuf from mempool, setup the DMA physical address
* - -EINVAL: The port_id or the queue_id out of range.
* - -ENOTSUP: The function not supported in PMD driver.
*/
-extern int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
+int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
/*
* Stop specified RX queue of a port
* - -EINVAL: The port_id or the queue_id out of range.
* - -ENOTSUP: The function not supported in PMD driver.
*/
-extern int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
+int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
/*
* Start TX for specified queue of a port. It is used when tx_deferred_start
* - -EINVAL: The port_id or the queue_id out of range.
* - -ENOTSUP: The function not supported in PMD driver.
*/
-extern int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
+int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
/*
* Stop specified TX queue of a port
* - -EINVAL: The port_id or the queue_id out of range.
* - -ENOTSUP: The function not supported in PMD driver.
*/
-extern int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
+int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
* - 0: Success, Ethernet device started.
* - <0: Error code of the driver device start function.
*/
-extern int rte_eth_dev_start(uint8_t port_id);
+int rte_eth_dev_start(uint8_t port_id);
/**
* Stop an Ethernet device. The device can be restarted with a call to
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_dev_stop(uint8_t port_id);
+void rte_eth_dev_stop(uint8_t port_id);
/**
* - 0: Success, Ethernet device linked up.
* - <0: Error code of the driver device link up function.
*/
-extern int rte_eth_dev_set_link_up(uint8_t port_id);
+int rte_eth_dev_set_link_up(uint8_t port_id);
/**
* Link down an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern int rte_eth_dev_set_link_down(uint8_t port_id);
+int rte_eth_dev_set_link_down(uint8_t port_id);
/**
* Close a stopped Ethernet device. The device cannot be restarted!
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_dev_close(uint8_t port_id);
+void rte_eth_dev_close(uint8_t port_id);
/**
* Enable receipt in promiscuous mode for an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_promiscuous_enable(uint8_t port_id);
+void rte_eth_promiscuous_enable(uint8_t port_id);
/**
* Disable receipt in promiscuous mode for an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_promiscuous_disable(uint8_t port_id);
+void rte_eth_promiscuous_disable(uint8_t port_id);
/**
* Return the value of promiscuous mode for an Ethernet device.
* - (0) if promiscuous is disabled.
* - (-1) on error
*/
-extern int rte_eth_promiscuous_get(uint8_t port_id);
+int rte_eth_promiscuous_get(uint8_t port_id);
/**
* Enable the receipt of any multicast frame by an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_allmulticast_enable(uint8_t port_id);
+void rte_eth_allmulticast_enable(uint8_t port_id);
/**
* Disable the receipt of all multicast frames by an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_allmulticast_disable(uint8_t port_id);
+void rte_eth_allmulticast_disable(uint8_t port_id);
/**
* Return the value of allmulticast mode for an Ethernet device.
* - (0) if allmulticast is disabled.
* - (-1) on error
*/
-extern int rte_eth_allmulticast_get(uint8_t port_id);
+int rte_eth_allmulticast_get(uint8_t port_id);
/**
* Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
* A pointer to an *rte_eth_link* structure to be filled with
* the status, the speed and the mode of the Ethernet device link.
*/
-extern void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
+void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
/**
* Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
* A pointer to an *rte_eth_link* structure to be filled with
* the status, the speed and the mode of the Ethernet device link.
*/
-extern void rte_eth_link_get_nowait(uint8_t port_id,
- struct rte_eth_link *link);
+void rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *link);
/**
* Retrieve the general I/O statistics of an Ethernet device.
* @return
* Zero if successful. Non-zero otherwise.
*/
-extern int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
+int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
/**
* Reset the general I/O statistics of an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_stats_reset(uint8_t port_id);
+void rte_eth_stats_reset(uint8_t port_id);
/**
* Retrieve extended statistics of an Ethernet device.
* shall not be used by the caller.
* - negative value on error (invalid port id)
*/
-extern int rte_eth_xstats_get(uint8_t port_id,
- struct rte_eth_xstats *xstats, unsigned n);
+int rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
+ unsigned n);
/**
* Reset extended statistics of an Ethernet device.
* @param port_id
* The port identifier of the Ethernet device.
*/
-extern void rte_eth_xstats_reset(uint8_t port_id);
+void rte_eth_xstats_reset(uint8_t port_id);
/**
* Set a mapping for the specified transmit queue to the specified per-queue
* @return
* Zero if successful. Non-zero otherwise.
*/
-extern int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
- uint16_t tx_queue_id,
- uint8_t stat_idx);
+int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
+ uint16_t tx_queue_id, uint8_t stat_idx);
/**
* Set a mapping for the specified receive queue to the specified per-queue
* @return
* Zero if successful. Non-zero otherwise.
*/
-extern int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
- uint16_t rx_queue_id,
- uint8_t stat_idx);
+int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
+ uint16_t rx_queue_id,
+ uint8_t stat_idx);
/**
* Retrieve the Ethernet address of an Ethernet device.
* A pointer to a structure of type *ether_addr* to be filled with
* the Ethernet address of the Ethernet device.
*/
-extern void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
+void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
/**
* Retrieve the contextual information of an Ethernet device.
* A pointer to a structure of type *rte_eth_dev_info* to be filled with
* the contextual information of the Ethernet device.
*/
-extern void rte_eth_dev_info_get(uint8_t port_id,
- struct rte_eth_dev_info *dev_info);
+void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info);
/**
* Retrieve the MTU of an Ethernet device.
* - (0) if successful.
* - (-ENODEV) if *port_id* invalid.
*/
-extern int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
+int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
/**
* Change the MTU of an Ethernet device.
* - (-ENODEV) if *port_id* invalid.
* - (-EINVAL) if *mtu* invalid.
*/
-extern int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
+int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
/**
* Enable/Disable hardware filtering by an Ethernet device of received
* - (-ENOSYS) if VLAN filtering on *port_id* disabled.
* - (-EINVAL) if *vlan_id* > 4095.
*/
-extern int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id , int on);
+int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on);
/**
* Enable/Disable hardware VLAN Strip by a rx queue of an Ethernet device.
* - (-ENODEV) if *port_id* invalid.
* - (-EINVAL) if *rx_queue_id* invalid.
*/
-extern int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id,
- uint16_t rx_queue_id, int on);
+int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id,
+ int on);
/**
* Set the Outer VLAN Ether Type by an Ethernet device, it can be inserted to
*
* @param port_id
* The port identifier of the Ethernet device.
+ * @param vlan_type
+ * The vlan type.
* @param tag_type
* The Tag Protocol ID
* @return
* - (-ENOSUP) if hardware-assisted VLAN TPID setup is not supported.
* - (-ENODEV) if *port_id* invalid.
*/
-extern int rte_eth_dev_set_vlan_ether_type(uint8_t port_id, uint16_t tag_type);
+int rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
+ enum rte_vlan_type vlan_type,
+ uint16_t tag_type);
/**
* Set VLAN offload configuration on an Ethernet device
* - (-ENOSUP) if hardware-assisted VLAN filtering not configured.
* - (-ENODEV) if *port_id* invalid.
*/
-extern int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
+int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
/**
* Read VLAN Offload configuration from an Ethernet device
* ETH_VLAN_EXTEND_OFFLOAD
* - (-ENODEV) if *port_id* invalid.
*/
-extern int rte_eth_dev_get_vlan_offload(uint8_t port_id);
+int rte_eth_dev_get_vlan_offload(uint8_t port_id);
/**
* Set port based TX VLAN insersion on or off.
* - (0) if successful.
* - negative if failed.
*/
-extern int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
+int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
/**
*
return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id], tx_pkts, nb_pkts);
}
+typedef void (*buffer_tx_error_fn)(struct rte_mbuf **unsent, uint16_t count,
+ void *userdata);
+
+/**
+ * Structure used to buffer packets for future TX
+ * Used by APIs rte_eth_tx_buffer and rte_eth_tx_buffer_flush
+ */
+struct rte_eth_dev_tx_buffer {
+ buffer_tx_error_fn error_callback;
+ void *error_userdata;
+ uint16_t size; /**< Size of buffer for buffered tx */
+ uint16_t length; /**< Number of packets in the array */
+ struct rte_mbuf *pkts[];
+ /**< Pending packets to be sent on explicit flush or when full */
+};
+
+/**
+ * Calculate the size of the tx buffer.
+ *
+ * @param sz
+ * Number of stored packets.
+ */
+#define RTE_ETH_TX_BUFFER_SIZE(sz) \
+ (sizeof(struct rte_eth_dev_tx_buffer) + (sz) * sizeof(struct rte_mbuf *))
+
+/**
+ * Initialize default values for buffered transmitting
+ *
+ * @param buffer
+ * Tx buffer to be initialized.
+ * @param size
+ * Buffer size
+ * @return
+ * 0 if no error
+ */
+int
+rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size);
+
+/**
+ * Send any packets queued up for transmission on a port and HW queue
+ *
+ * This causes an explicit flush of packets previously buffered via the
+ * rte_eth_tx_buffer() function. It returns the number of packets successfully
+ * sent to the NIC, and calls the error callback for any unsent packets. Unless
+ * explicitly set up otherwise, the default callback simply frees the unsent
+ * packets back to the owning mempool.
+ *
+ * @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 buffer
+ * Buffer of packets to be transmit.
+ * @return
+ * The number of packets successfully sent to the Ethernet device. The error
+ * callback is called for any packets which could not be sent.
+ */
+static inline uint16_t
+rte_eth_tx_buffer_flush(uint8_t port_id, uint16_t queue_id,
+ struct rte_eth_dev_tx_buffer *buffer)
+{
+ uint16_t sent;
+ uint16_t to_send = buffer->length;
+
+ if (to_send == 0)
+ return 0;
+
+ sent = rte_eth_tx_burst(port_id, queue_id, buffer->pkts, to_send);
+
+ buffer->length = 0;
+
+ /* All packets sent, or to be dealt with by callback below */
+ if (unlikely(sent != to_send))
+ buffer->error_callback(&buffer->pkts[sent], to_send - sent,
+ buffer->error_userdata);
+
+ return sent;
+}
+
+/**
+ * Buffer a single packet for future transmission on a port and queue
+ *
+ * This function takes a single mbuf/packet and buffers it for later
+ * transmission on the particular port and queue specified. Once the buffer is
+ * full of packets, an attempt will be made to transmit all the buffered
+ * packets. In case of error, where not all packets can be transmitted, a
+ * callback is called with the unsent packets as a parameter. If no callback
+ * is explicitly set up, the unsent packets are just freed back to the owning
+ * mempool. The function returns the number of packets actually sent i.e.
+ * 0 if no buffer flush occurred, otherwise the number of packets successfully
+ * flushed
+ *
+ * @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 buffer
+ * Buffer used to collect packets to be sent.
+ * @param tx_pkt
+ * Pointer to the packet mbuf to be sent.
+ * @return
+ * 0 = packet has been buffered for later transmission
+ * N > 0 = packet has been buffered, and the buffer was subsequently flushed,
+ * causing N packets to be sent, and the error callback to be called for
+ * the rest.
+ */
+static inline uint16_t __attribute__((always_inline))
+rte_eth_tx_buffer(uint8_t port_id, uint16_t queue_id,
+ struct rte_eth_dev_tx_buffer *buffer, struct rte_mbuf *tx_pkt)
+{
+ buffer->pkts[buffer->length++] = tx_pkt;
+ if (buffer->length < buffer->size)
+ return 0;
+
+ return rte_eth_tx_buffer_flush(port_id, queue_id, buffer);
+}
+
+/**
+ * Configure a callback for buffered packets which cannot be sent
+ *
+ * Register a specific callback to be called when an attempt is made to send
+ * all packets buffered on an ethernet port, but not all packets can
+ * successfully be sent. The callback registered here will be called only
+ * from calls to rte_eth_tx_buffer() and rte_eth_tx_buffer_flush() APIs.
+ * The default callback configured for each queue by default just frees the
+ * packets back to the calling mempool. If additional behaviour is required,
+ * for example, to count dropped packets, or to retry transmission of packets
+ * which cannot be sent, this function should be used to register a suitable
+ * callback function to implement the desired behaviour.
+ * The example callback "rte_eth_count_unsent_packet_callback()" is also
+ * provided as reference.
+ *
+ * @param buffer
+ * The port identifier of the Ethernet device.
+ * @param callback
+ * The function to be used as the callback.
+ * @param userdata
+ * Arbitrary parameter to be passed to the callback function
+ * @return
+ * 0 on success, or -1 on error with rte_errno set appropriately
+ */
+int
+rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
+ buffer_tx_error_fn callback, void *userdata);
+
+/**
+ * Callback function for silently dropping unsent buffered packets.
+ *
+ * This function can be passed to rte_eth_tx_buffer_set_err_callback() to
+ * adjust the default behavior when buffered packets cannot be sent. This
+ * function drops any unsent packets silently and is used by tx buffered
+ * operations as default behavior.
+ *
+ * NOTE: this function should not be called directly, instead it should be used
+ * as a callback for packet buffering.
+ *
+ * NOTE: when configuring this function as a callback with
+ * rte_eth_tx_buffer_set_err_callback(), the final, userdata parameter
+ * should point to an uint64_t value.
+ *
+ * @param pkts
+ * The previously buffered packets which could not be sent
+ * @param unsent
+ * The number of unsent packets in the pkts array
+ * @param userdata
+ * Not used
+ */
+void
+rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
+ void *userdata);
+
+/**
+ * Callback function for tracking unsent buffered packets.
+ *
+ * This function can be passed to rte_eth_tx_buffer_set_err_callback() to
+ * adjust the default behavior when buffered packets cannot be sent. This
+ * function drops any unsent packets, but also updates a user-supplied counter
+ * to track the overall number of packets dropped. The counter should be an
+ * uint64_t variable.
+ *
+ * NOTE: this function should not be called directly, instead it should be used
+ * as a callback for packet buffering.
+ *
+ * NOTE: when configuring this function as a callback with
+ * rte_eth_tx_buffer_set_err_callback(), the final, userdata parameter
+ * should point to an uint64_t value.
+ *
+ * @param pkts
+ * The previously buffered packets which could not be sent
+ * @param unsent
+ * The number of unsent packets in the pkts array
+ * @param userdata
+ * Pointer to an uint64_t value, which will be incremented by unsent
+ */
+void
+rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
+ void *userdata);
+
/**
* The eth device event type for interrupt, and maybe others in the future.
*/
struct rte_eth_rss_conf *rss_conf);
/**
- * Add UDP tunneling port of an Ethernet device for filtering a specific
- * tunneling packet by UDP port number.
+ * Add UDP tunneling port for a specific type of tunnel.
+ * 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.
*
* @param port_id
* The port identifier of the Ethernet device.
* - (-ENOTSUP) if hardware doesn't support tunnel type.
*/
int
-rte_eth_dev_udp_tunnel_add(uint8_t port_id,
- struct rte_eth_udp_tunnel *tunnel_udp);
+rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
+ struct rte_eth_udp_tunnel *tunnel_udp);
/**
- * Detete UDP tunneling port configuration of Ethernet device
+ * Delete UDP tunneling port a specific type of tunnel.
+ * The packets with this UDP port will not be identified as this type of tunnel
+ * 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.
*
* @param port_id
* The port identifier of the Ethernet device.
* - (-ENOTSUP) if hardware doesn't support tunnel type.
*/
int
-rte_eth_dev_udp_tunnel_delete(uint8_t port_id,
- struct rte_eth_udp_tunnel *tunnel_udp);
+rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
+ struct rte_eth_udp_tunnel *tunnel_udp);
/**
* Check whether the filter type is supported on an Ethernet device.
* - -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);
+int rte_eth_timesync_enable(uint8_t port_id);
/**
* Disable IEEE1588/802.1AS timestamping for an Ethernet device.
* - -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);
+int rte_eth_timesync_disable(uint8_t port_id);
/**
* Read an IEEE1588/802.1AS RX timestamp from an Ethernet device.
* - -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);
+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.
* - -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);
+int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
+ struct timespec *timestamp);
/**
* Adjust the timesync clock on an Ethernet device.
* - -ENODEV: The port ID is invalid.
* - -ENOTSUP: The function is not supported by the Ethernet driver.
*/
-extern int rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta);
+int rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta);
/**
* Read the time from the timesync clock on an Ethernet device.
* @return
* - 0: Success.
*/
-extern int rte_eth_timesync_read_time(uint8_t port_id, struct timespec *time);
+int rte_eth_timesync_read_time(uint8_t port_id, struct timespec *time);
/**
* Set the time of the timesync clock on an Ethernet device.
* - -ENODEV: The port ID is invalid.
* - -ENOTSUP: The function is not supported by the Ethernet driver.
*/
-extern int rte_eth_timesync_write_time(uint8_t port_id,
- const struct timespec *time);
+int rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *time);
/**
* Copy pci device info to the Ethernet device data.
* @return
* - 0 on success, negative on error
*/
-extern void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev);
-
+void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev,
+ struct rte_pci_device *pci_dev);
/**
* Create memzone for HW rings.
uint16_t queue_id, size_t size,
unsigned align, int socket_id);
+/**
+ * Config l2 tunnel ether type of an Ethernet device for filtering specific
+ * tunnel packets by ether type.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param l2_tunnel
+ * l2 tunnel configuration.
+ *
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if port identifier is invalid.
+ * - (-ENOTSUP) if hardware doesn't support tunnel type.
+ */
+int
+rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
+ struct rte_eth_l2_tunnel_conf *l2_tunnel);
+
+/**
+ * Enable/disable l2 tunnel offload functions. Include,
+ * 1, The ability of parsing a type of l2 tunnel of an Ethernet device.
+ * Filtering, forwarding and offloading this type of tunnel packets depend on
+ * this ability.
+ * 2, Stripping the l2 tunnel tag.
+ * 3, Insertion of the l2 tunnel tag.
+ * 4, Forwarding the packets based on the l2 tunnel tag.
+ *
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param l2_tunnel
+ * l2 tunnel parameters.
+ * @param mask
+ * Indicate the offload function.
+ * @param en
+ * Enable or disable this function.
+ *
+ * @return
+ * - (0) if successful.
+ * - (-ENODEV) if port identifier is invalid.
+ * - (-ENOTSUP) if hardware doesn't support tunnel type.
+ */
+int
+rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
+ struct rte_eth_l2_tunnel_conf *l2_tunnel,
+ uint32_t mask,
+ uint8_t en);
+
#ifdef __cplusplus
}
#endif
git.droids-corp.org / dpdk.git / blobdiff