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-rw-r--r--examples/vhost/main.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/examples/vhost/main.h b/examples/vhost/main.h
index 6bb42e89..9a2aca37 100644
--- a/examples/vhost/main.h
+++ b/examples/vhost/main.h
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2016 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
@@ -36,11 +36,17 @@
#include <sys/queue.h>
+#include <rte_ether.h>
+
/* Macros for printing using RTE_LOG */
#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
+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;
@@ -48,6 +54,12 @@ struct device_statistics {
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;
@@ -65,9 +77,16 @@ struct vhost_dev {
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);
@@ -88,4 +107,15 @@ struct lcore_info {
struct vhost_dev_tailq_list vdev_list;
};
+/* 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_ */