* any number of threads on the same or different netdev objects. The
* exceptions are:
*
- * netdev_rx_recv()
- * netdev_rx_wait()
- * netdev_rx_drain()
+ * netdev_rxq_recv()
+ * netdev_rxq_wait()
+ * netdev_rxq_drain()
*
* These functions are conditionally thread-safe: they may be called from
- * different threads only on different netdev_rx objects. (The client may
- * create multiple netdev_rx objects for a single netdev and access each
- * of those from a different thread.) */
+ * different threads only on different netdev_rxq objects. (The client may
+ * create multiple netdev_rxq objects for a single netdev and access each
+ * of those from a different thread.)
+ *
+ * NETDEV_FOR_EACH_QUEUE
+ * netdev_queue_dump_next()
+ * netdev_queue_dump_done()
+ *
+ * These functions are conditionally thread-safe: they may be called from
+ * different threads only on different netdev_queue_dump objects. (The
+ * client may create multiple netdev_queue_dump objects for a single
+ * netdev and access each of those from a different thread.)
+ */
struct netdev;
struct netdev_class;
-struct netdev_rx;
+struct netdev_rxq;
struct netdev_saved_flags;
struct ofpbuf;
struct in_addr;
void netdev_enumerate_types(struct sset *types);
bool netdev_is_reserved_name(const char *name);
+int netdev_n_rxq(const struct netdev *netdev);
+bool netdev_is_pmd(const struct netdev *netdev);
+
/* Open and close. */
-int netdev_open(const char *name, const char *type, struct netdev **);
+int netdev_open(const char *name, const char *type, struct netdev **netdevp);
+
struct netdev *netdev_ref(const struct netdev *);
void netdev_close(struct netdev *);
int netdev_get_ifindex(const struct netdev *);
/* Packet reception. */
-int netdev_rx_open(struct netdev *, struct netdev_rx **);
-void netdev_rx_close(struct netdev_rx *);
+int netdev_rxq_open(struct netdev *, struct netdev_rxq **, int id);
+void netdev_rxq_close(struct netdev_rxq *);
-const char *netdev_rx_get_name(const struct netdev_rx *);
+const char *netdev_rxq_get_name(const struct netdev_rxq *);
-int netdev_rx_recv(struct netdev_rx *, struct ofpbuf *);
-void netdev_rx_wait(struct netdev_rx *);
-int netdev_rx_drain(struct netdev_rx *);
+int netdev_rxq_recv(struct netdev_rxq *rx, struct ofpbuf **buffers, int *cnt);
+void netdev_rxq_wait(struct netdev_rxq *);
+int netdev_rxq_drain(struct netdev_rxq *);
/* Packet transmission. */
-int netdev_send(struct netdev *, const struct ofpbuf *);
+int netdev_send(struct netdev *, struct ofpbuf *, bool may_steal);
void netdev_send_wait(struct netdev *);
/* Hardware address. */
int netdev_get_queue_stats(const struct netdev *, unsigned int queue_id,
struct netdev_queue_stats *);
-typedef void netdev_dump_queues_cb(unsigned int queue_id,
- const struct smap *details, void *aux);
-int netdev_dump_queues(const struct netdev *,
- netdev_dump_queues_cb *, void *aux);
+struct netdev_queue_dump {
+ struct netdev *netdev;
+ int error;
+ void *state;
+};
+void netdev_queue_dump_start(struct netdev_queue_dump *,
+ const struct netdev *);
+bool netdev_queue_dump_next(struct netdev_queue_dump *,
+ unsigned int *queue_id, struct smap *details);
+int netdev_queue_dump_done(struct netdev_queue_dump *);
+
+/* Iterates through each queue in NETDEV, using DUMP as state. Fills QUEUE_ID
+ * and DETAILS with information about queues. The client must initialize and
+ * destroy DETAILS.
+ *
+ * Arguments all have pointer type.
+ *
+ * If you break out of the loop, then you need to free the dump structure by
+ * hand using netdev_queue_dump_done(). */
+#define NETDEV_QUEUE_FOR_EACH(QUEUE_ID, DETAILS, DUMP, NETDEV) \
+ for (netdev_queue_dump_start(DUMP, NETDEV); \
+ (netdev_queue_dump_next(DUMP, QUEUE_ID, DETAILS) \
+ ? true \
+ : (netdev_queue_dump_done(DUMP), false)); \
+ )
typedef void netdev_dump_queue_stats_cb(unsigned int queue_id,
struct netdev_queue_stats *,
int netdev_dump_queue_stats(const struct netdev *,
netdev_dump_queue_stats_cb *, void *aux);
-unsigned int netdev_change_seq(const struct netdev *netdev);
+enum { NETDEV_MAX_RX_BATCH = 256 }; /* Maximum number packets in rx_recv() batch. */
#ifdef __cplusplus
}