lpm: set errno on creation error

[dpdk.git] / examples / vhost / main.h

diff --git a/examples/vhost/main.h b/examples/vhost/main.h
index e973b77..9a2aca3 100644 (file)
--- a/examples/vhost/main.h
+++ b/examples/vhost/main.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 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
@@ -34,53 +34,88 @@
 #ifndef _MAIN_H_
 #define _MAIN_H_
 
-#ifdef RTE_EXEC_ENV_BAREMETAL
-#define MAIN _main
-#else
-#define MAIN main
-#endif
+#include <sys/queue.h>
 
-//#define DEBUG
-
-#ifdef DEBUG
-#define LOG_LEVEL RTE_LOG_DEBUG
-#define LOG_DEBUG(log_type, fmt, args...) do { \
-       RTE_LOG(DEBUG, log_type, fmt, ##args);          \
-} while (0)
-#else
-#define LOG_LEVEL RTE_LOG_INFO
-#define LOG_DEBUG(log_type, fmt, args...) do{} while(0)
-#endif
+#include <rte_ether.h>
 
 /* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_DATA RTE_LOGTYPE_USER2
-#define RTE_LOGTYPE_PORT RTE_LOGTYPE_USER3
+#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
+#define RTE_LOGTYPE_VHOST_DATA   RTE_LOGTYPE_USER2
+#define RTE_LOGTYPE_VHOST_PORT   RTE_LOGTYPE_USER3
 
-/*
- * Device linked list structure for data path.
- */
-struct virtio_net_data_ll
-{
-       struct virtio_net                       *dev;   /* Pointer to device created by configuration core. */
-       struct virtio_net_data_ll       *next;  /* Pointer to next device in linked list. */
+enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
+
+#define MAX_PKT_BURST 32               /* Max burst size for RX/TX */
+
+struct device_statistics {
+       uint64_t        tx;
+       uint64_t        tx_total;
+       rte_atomic64_t  rx_atomic;
+       rte_atomic64_t  rx_total_atomic;
 };
 
+struct vhost_queue {
+       struct rte_vhost_vring  vr;
+       uint16_t                last_avail_idx;
+       uint16_t                last_used_idx;
+};
+
+struct vhost_dev {
+       /**< Number of memory regions for gpa to hpa translation. */
+       uint32_t nregions_hpa;
+       /**< Device MAC address (Obtained on first TX packet). */
+       struct ether_addr mac_address;
+       /**< RX VMDQ queue number. */
+       uint16_t vmdq_rx_q;
+       /**< Vlan tag assigned to the pool */
+       uint32_t vlan_tag;
+       /**< Data core that the device is added to. */
+       uint16_t coreid;
+       /**< A device is set as ready if the MAC address has been set. */
+       volatile uint8_t ready;
+       /**< Device is marked for removal from the data core. */
+       volatile uint8_t remove;
+
+       int vid;
+       uint64_t features;
+       size_t hdr_len;
+       uint16_t nr_vrings;
+       struct rte_vhost_memory *mem;
+       struct device_statistics stats;
+       TAILQ_ENTRY(vhost_dev) global_vdev_entry;
+       TAILQ_ENTRY(vhost_dev) lcore_vdev_entry;
+
+#define MAX_QUEUE_PAIRS        4
+       struct vhost_queue queues[MAX_QUEUE_PAIRS * 2];
+} __rte_cache_aligned;
+
+TAILQ_HEAD(vhost_dev_tailq_list, vhost_dev);
+
+
+#define REQUEST_DEV_REMOVAL    1
+#define ACK_DEV_REMOVAL                0
+
 /*
  * Structure containing data core specific information.
  */
-struct lcore_ll_info
-{
-       struct virtio_net_data_ll       *ll_root_free;          /* Pointer to head in free linked list. */
-       struct virtio_net_data_ll       *ll_root_used;          /* Pointer to head of used linked list. */
-       uint32_t                                        device_num;                     /* Number of devices on lcore. */
-       volatile uint8_t                        dev_removal_flag;       /* Flag to synchronize device removal. */
-};
+struct lcore_info {
+       uint32_t                device_num;
+
+       /* Flag to synchronize device removal. */
+       volatile uint8_t        dev_removal_flag;
 
-struct lcore_info
-{
-       struct lcore_ll_info    *lcore_ll;      /* Pointer to data core specific lcore_ll_info struct */
+       struct vhost_dev_tailq_list vdev_list;
 };
 
-int MAIN(int argc, char **argv);
+/* we implement non-extra virtio net features */
+#define VIRTIO_NET_FEATURES    0
+
+void vs_vhost_net_setup(struct vhost_dev *dev);
+void vs_vhost_net_remove(struct vhost_dev *dev);
+uint16_t vs_enqueue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+                        struct rte_mbuf **pkts, uint32_t count);
+
+uint16_t vs_dequeue_pkts(struct vhost_dev *dev, uint16_t queue_id,
+                        struct rte_mempool *mbuf_pool,
+                        struct rte_mbuf **pkts, uint16_t count);
 #endif /* _MAIN_H_ */