34 #ifndef _VIRTIO_NET_H_ 35 #define _VIRTIO_NET_H_ 43 #include <linux/vhost.h> 44 #include <linux/virtio_ring.h> 45 #include <linux/virtio_net.h> 46 #include <sys/eventfd.h> 47 #include <sys/socket.h> 56 #define VHOST_MEMORY_MAX_NREGIONS 8 59 #define VIRTIO_DEV_RUNNING 1 62 #define VIRTIO_DEV_STOPPED -1 66 enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
68 #define BUF_VECTOR_MAX 256 92 #define VIRTIO_INVALID_EVENTFD (-1) 93 #define VIRTIO_UNINITIALIZED_EVENTFD (-2) 98 uint64_t reserved[15];
103 #ifndef VIRTIO_NET_F_GUEST_ANNOUNCE 104 #define VIRTIO_NET_F_GUEST_ANNOUNCE 21 114 #ifdef VIRTIO_NET_F_MQ 115 #define VHOST_MAX_QUEUE_PAIRS VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 116 #define VHOST_SUPPORTS_MQ (1ULL << VIRTIO_NET_F_MQ) 118 #define VHOST_MAX_QUEUE_PAIRS 1 119 #define VHOST_SUPPORTS_MQ 0 125 #ifndef VIRTIO_F_VERSION_1 126 #define VIRTIO_F_VERSION_1 32 138 #define IF_NAME_SZ (PATH_MAX > IFNAMSIZ ? PATH_MAX : IFNAMSIZ) 139 char ifname[IF_NAME_SZ];
146 uint64_t reserved[61];
184 int (*vring_state_changed)(
struct virtio_net *dev, uint16_t queue_id,
int enable);
187 static inline uint16_t __attribute__((always_inline))
188 rte_vring_available_entries(struct
virtio_net *dev, uint16_t queue_id)
202 static inline uint64_t __attribute__((always_inline))
207 uint64_t vhost_va = 0;
209 for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++) {
210 region = &dev->mem->regions[regionidx];
232 uint64_t rte_vhost_feature_get(
void);
234 int rte_vhost_enable_guest_notification(
struct virtio_net *dev, uint16_t queue_id,
int enable);
237 int rte_vhost_driver_register(
const char *dev_name);
240 int rte_vhost_driver_unregister(
const char *dev_name);
245 int rte_vhost_driver_session_start(
void);
264 struct rte_mbuf **pkts, uint16_t count);
uint64_t protocol_features
volatile uint16_t last_used_idx
uint16_t rte_vhost_enqueue_burst(struct virtio_net *dev, uint16_t queue_id, struct rte_mbuf **pkts, uint16_t count)
uint16_t rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id, struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count)
uint64_t guest_phys_address_end
struct vring_avail * avail
int rte_vhost_feature_disable(uint64_t feature_mask)
volatile uint16_t last_used_idx_res
static uint64_t gpa_to_vva(struct virtio_net *dev, uint64_t guest_pa)
uint64_t guest_phys_address
int rte_vhost_feature_enable(uint64_t feature_mask)
rte_atomic16_t broadcast_rarp
struct virtio_memory * mem
uint64_t userspace_address
#define __rte_cache_aligned