virtio: split gso and checksum offload functionality

[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..4b86626 100644 (file)
--- a/src/vnet/devices/virtio/virtio.h
+++ b/src/vnet/devices/virtio/virtio.h
@@ -49,7 +49,7 @@
   _ (VIRTIO_NET_F_CTRL_MAC_ADDR, 23)   /* Set MAC address */ \
   _ (VIRTIO_F_NOTIFY_ON_EMPTY, 24) \
   _ (VHOST_F_LOG_ALL, 26)      /* Log all write descriptors */ \
-  _ (VIRTIO_F_ANY_LAYOUT, 27)  /* Can the device handle any descripor layout */ \
+  _ (VIRTIO_F_ANY_LAYOUT, 27)  /* Can the device handle any descriptor layout */ \
   _ (VIRTIO_RING_F_INDIRECT_DESC, 28)   /* Support indirect buffer descriptors */ \
   _ (VIRTIO_RING_F_EVENT_IDX, 29)       /* The Guest publishes the used index for which it expects an interrupt \
  * at the end of the avail ring. Host should ignore the avail->flags field. */ \
@@ -75,9 +75,14 @@ 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,
+  VIRTIO_IF_TYPE_TAP = 1,
   VIRTIO_IF_TYPE_PCI,
   VIRTIO_IF_N_TYPES,
 } virtio_if_type_t;
@@ -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;
@@ -109,7 +115,6 @@ typedef struct
   u16 flags;
   u32 call_file_index;
   u32 *buffers;
-  u32 *indirect_buffers;
   u16 last_used_idx;
   u16 last_kick_avail_idx;
 } virtio_vring_t;
@@ -130,11 +135,11 @@ typedef struct
 {
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
   u32 flags;
-  clib_spinlock_t lockp;
 
   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
@@ -143,26 +148,20 @@ typedef struct
     pci_addr_t pci_addr;
   };
   u32 per_interface_next_index;
-  union
-  {
-    int fd;
-    u32 msix_enabled;
-  };
-  union
-  {
-    int tap_fd;
-    u32 pci_dev_handle;
-  };
-  virtio_vring_t *vrings;
-
+  int *vhost_fds;
+  int tap_fd;
+  u32 msix_enabled;
+  u32 pci_dev_handle;
+  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;
@@ -173,8 +172,11 @@ typedef struct
   u8 host_ip4_prefix_len;
   ip6_address_t host_ip6_addr;
   u8 host_ip6_prefix_len;
+  u32 host_mtu_size;
   int gso_enabled;
+  int csum_offload_enabled;
   int ifindex;
+  virtio_vring_t *cxq_vring;
 } virtio_if_t;
 
 typedef struct
@@ -191,8 +193,10 @@ 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);
@@ -203,6 +207,7 @@ extern void virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr,
 extern void virtio_pci_legacy_notify_queue (vlib_main_t * vm,
                                            virtio_if_t * vif, u16 queue_id);
 format_function_t format_virtio_device_name;
+format_function_t format_virtio_log_name;
 
 static_always_inline void
 virtio_kick (vlib_main_t * vm, virtio_vring_t * vring, virtio_if_t * vif)
@@ -219,6 +224,28 @@ virtio_kick (vlib_main_t * vm, virtio_vring_t * vring, virtio_if_t * vif)
     }
 }
 
+
+#define virtio_log_debug(vif, f, ...)                          \
+{                                                              \
+  vlib_log(VLIB_LOG_LEVEL_DEBUG, virtio_main.log_default,      \
+          "%U: " f, format_virtio_log_name, vif,               \
+           ##__VA_ARGS__);                                     \
+};
+
+#define virtio_log_warning(vif, f, ...)                                \
+{                                                              \
+  vlib_log(VLIB_LOG_LEVEL_WARNING, virtio_main.log_default,    \
+          "%U: " f, format_virtio_log_name, vif,               \
+           ##__VA_ARGS__);                                     \
+};
+
+#define virtio_log_error(vif, f, ...)                          \
+{                                                              \
+  vlib_log(VLIB_LOG_LEVEL_ERR, virtio_main.log_default,                \
+          "%U: " f, format_virtio_log_name, vif,               \
+           ##__VA_ARGS__);                                     \
+};
+
 #endif /* _VNET_DEVICES_VIRTIO_VIRTIO_H_ */
 
 /*