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virtio: Add support for multiqueue
[vpp.git]
/
src
/
vnet
/
devices
/
virtio
/
virtio.h
diff --git
a/src/vnet/devices/virtio/virtio.h
b/src/vnet/devices/virtio/virtio.h
index
f728196
..
1de7043
100644
(file)
--- a/
src/vnet/devices/virtio/virtio.h
+++ b/
src/vnet/devices/virtio/virtio.h
@@
-75,6
+75,11
@@
typedef enum
#define VIRTIO_FEATURE(X) (1ULL << X)
#define VIRTIO_FEATURE(X) (1ULL << X)
+#define TX_QUEUE(X) ((X*2) + 1)
+#define RX_QUEUE(X) (X*2)
+#define TX_QUEUE_ACCESS(X) (X/2)
+#define RX_QUEUE_ACCESS(X) (X/2)
+
typedef enum
{
VIRTIO_IF_TYPE_TAP,
typedef enum
{
VIRTIO_IF_TYPE_TAP,
@@
-99,6
+104,7
@@
typedef struct
struct vring_desc *desc;
struct vring_used *used;
struct vring_avail *avail;
struct vring_desc *desc;
struct vring_used *used;
struct vring_avail *avail;
+ clib_spinlock_t lockp;
u16 desc_in_use;
u16 desc_next;
int kick_fd;
u16 desc_in_use;
u16 desc_next;
int kick_fd;
@@
-135,6
+141,7
@@
typedef struct
u32 dev_instance;
u32 hw_if_index;
u32 sw_if_index;
u32 dev_instance;
u32 hw_if_index;
u32 sw_if_index;
+ u32 numa_node;
u16 virtio_net_hdr_sz;
virtio_if_type_t type;
union
u16 virtio_net_hdr_sz;
virtio_if_type_t type;
union
@@
-153,16
+160,16
@@
typedef struct
int tap_fd;
u32 pci_dev_handle;
};
int tap_fd;
u32 pci_dev_handle;
};
- virtio_vring_t *vrings;
-
+ virtio_vring_t *
rxq_
vrings;
+ virtio_vring_t *txq_vrings;
u64 features, remote_features;
/* error */
clib_error_t *error;
u8 support_int_mode; /* support interrupt mode */
u16 max_queue_pairs;
u64 features, remote_features;
/* error */
clib_error_t *error;
u8 support_int_mode; /* support interrupt mode */
u16 max_queue_pairs;
- u16
tx_ring_sz
;
- u16
rx_ring_sz
;
+ u16
num_rxqs
;
+ u16
num_txqs
;
u8 status;
u8 mac_addr[6];
u8 *host_if_name;
u8 status;
u8 mac_addr[6];
u8 *host_if_name;
@@
-175,6
+182,7
@@
typedef struct
u8 host_ip6_prefix_len;
int gso_enabled;
int ifindex;
u8 host_ip6_prefix_len;
int gso_enabled;
int ifindex;
+ virtio_vring_t *cxq_vring;
} virtio_if_t;
typedef struct
} virtio_if_t;
typedef struct
@@
-191,8
+199,10
@@
extern vlib_node_registration_t virtio_input_node;
clib_error_t *virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx,
u16 sz);
clib_error_t *virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx,
u16 sz);
-clib_error_t *virtio_vring_free (vlib_main_t * vm, virtio_if_t * vif,
- u32 idx);
+clib_error_t *virtio_vring_free_rx (vlib_main_t * vm, virtio_if_t * vif,
+ u32 idx);
+clib_error_t *virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif,
+ u32 idx);
void virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif,
u32 idx);
extern void virtio_free_used_desc (vlib_main_t * vm, virtio_vring_t * vring);
void virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif,
u32 idx);
extern void virtio_free_used_desc (vlib_main_t * vm, virtio_vring_t * vring);