diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2019-04-02 11:45:08 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-04-03 14:42:37 +0000 |
| commit | 09a3bc50b581c72693ff6270da20a68f5781a468 (patch) | |
| tree | ff87100fec6d34d0bb2301445dcd4c7024884cd7 /src/vnet/devices/virtio/virtio.h | |
| parent | 692f9b1205be8e61c0782b0711ec2393f8203e3e (diff) | |
virtio: Add support for multiqueue
Change-Id: Id71ffa77e977651f219ac09d1feef334851209e1
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/virtio.h')
| -rw-r--r-- | src/vnet/devices/virtio/virtio.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/vnet/devices/virtio/virtio.h b/src/vnet/devices/virtio/virtio.h index f72819639d7..1de704386a8 100644 --- 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 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, @@ -99,6 +104,7 @@ typedef struct 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; @@ -135,6 +141,7 @@ typedef struct 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 @@ -153,16 +160,16 @@ typedef struct 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; - u16 tx_ring_sz; - u16 rx_ring_sz; + u16 num_rxqs; + u16 num_txqs; 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; + virtio_vring_t *cxq_vring; } 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_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); |