virtio: add virtio 1.1 api flags

[vpp.git] / src / vnet / devices / virtio / virtio_api.c

diff --git a/src/vnet/devices/virtio/virtio_api.c b/src/vnet/devices/virtio/virtio_api.c
index 82ff791..9a145d9 100644 (file)
--- a/src/vnet/devices/virtio/virtio_api.c
+++ b/src/vnet/devices/virtio/virtio_api.c
@@ -25,6 +25,7 @@
 #include <vnet/ip/ip.h>
 #include <vnet/devices/virtio/virtio.h>
 #include <vnet/devices/virtio/pci.h>
+#include <vlib/pci/pci_types_api.h>
 
 #include <vnet/vnet_msg_enum.h>
 
@@ -46,9 +47,11 @@
 
 #define foreach_virtio_pci_api_msg                        \
 _(VIRTIO_PCI_CREATE, virtio_pci_create)                   \
+_(VIRTIO_PCI_CREATE_V2, virtio_pci_create_v2)             \
 _(VIRTIO_PCI_DELETE, virtio_pci_delete)                   \
 _(SW_INTERFACE_VIRTIO_PCI_DUMP, sw_interface_virtio_pci_dump)
 
+/* It will be deprecated in 21.01 */
 static void
 vl_api_virtio_pci_create_t_handler (vl_api_virtio_pci_create_t * mp)
 {
@@ -59,13 +62,22 @@ vl_api_virtio_pci_create_t_handler (vl_api_virtio_pci_create_t * mp)
 
   clib_memset (ap, 0, sizeof (*ap));
 
-  ap->addr = ntohl (mp->pci_addr);
+  pci_address_decode (&mp->pci_addr, (vlib_pci_addr_t *) & ap->addr);
   if (!mp->use_random_mac)
     {
       clib_memcpy (ap->mac_addr, mp->mac_address, 6);
       ap->mac_addr_set = 1;
     }
   ap->sw_if_index = (u32) ~ 0;
+  if (mp->gso_enabled)
+    ap->gso_enabled = 1;
+  else
+    ap->gso_enabled = 0;
+  if (mp->checksum_offload_enabled)
+    ap->checksum_offload_enabled = 1;
+  else
+    ap->checksum_offload_enabled = 0;
+
   ap->features = clib_net_to_host_u64 (mp->features);
 
   virtio_pci_create_if (vm, ap);
@@ -83,6 +95,65 @@ vl_api_virtio_pci_create_t_handler (vl_api_virtio_pci_create_t * mp)
   vl_api_send_msg (reg, (u8 *) rmp);
 }
 
+static void
+vl_api_virtio_pci_create_v2_t_handler (vl_api_virtio_pci_create_v2_t * mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  vl_api_virtio_pci_create_v2_reply_t *rmp;
+  vl_api_registration_t *reg;
+  virtio_pci_create_if_args_t _a, *ap = &_a;
+
+  clib_memset (ap, 0, sizeof (*ap));
+
+  pci_address_decode (&mp->pci_addr, (vlib_pci_addr_t *) & ap->addr);
+  if (!mp->use_random_mac)
+    {
+      clib_memcpy (ap->mac_addr, mp->mac_address, 6);
+      ap->mac_addr_set = 1;
+    }
+  ap->sw_if_index = (u32) ~ 0;
+
+  STATIC_ASSERT (((int) VIRTIO_API_FLAG_GSO == (int) VIRTIO_FLAG_GSO),
+                "virtio gso api flag mismatch");
+  STATIC_ASSERT (((int) VIRTIO_API_FLAG_CSUM_OFFLOAD ==
+                 (int) VIRTIO_FLAG_CSUM_OFFLOAD),
+                "virtio checksum offload api flag mismatch");
+  STATIC_ASSERT (((int) VIRTIO_API_FLAG_GRO_COALESCE ==
+                 (int) VIRTIO_FLAG_GRO_COALESCE),
+                "virtio gro coalesce api flag mismatch");
+  STATIC_ASSERT (((int) VIRTIO_API_FLAG_PACKED == (int) VIRTIO_FLAG_PACKED),
+                "virtio packed api flag mismatch");
+  STATIC_ASSERT (((int) VIRTIO_API_FLAG_IN_ORDER ==
+                 (int) VIRTIO_FLAG_IN_ORDER),
+                "virtio in-order api flag mismatch");
+
+  ap->virtio_flags = clib_net_to_host_u32 (mp->virtio_flags);
+  ap->features = clib_net_to_host_u64 (mp->features);
+
+  if (ap->virtio_flags & VIRTIO_FLAG_GSO)
+    ap->gso_enabled = 1;
+  else
+    ap->gso_enabled = 0;
+  if (ap->virtio_flags & VIRTIO_FLAG_CSUM_OFFLOAD)
+    ap->checksum_offload_enabled = 1;
+  else
+    ap->checksum_offload_enabled = 0;
+
+  virtio_pci_create_if (vm, ap);
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;;
+
+  rmp = vl_msg_api_alloc (sizeof (*rmp));
+  rmp->_vl_msg_id = htons (VL_API_VIRTIO_PCI_CREATE_V2_REPLY);
+  rmp->context = mp->context;
+  rmp->retval = htonl (ap->rv);
+  rmp->sw_if_index = htonl (ap->sw_if_index);
+
+  vl_api_send_msg (reg, (u8 *) rmp);
+}
+
 static void
 vl_api_virtio_pci_delete_t_handler (vl_api_virtio_pci_delete_t * mp)
 {
@@ -95,10 +166,12 @@ vl_api_virtio_pci_delete_t_handler (vl_api_virtio_pci_delete_t * mp)
   vl_api_virtio_pci_delete_reply_t *rmp;
   vl_api_registration_t *reg;
 
-  hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index));
+  hw =
+    vnet_get_sup_hw_interface_api_visible_or_null (vnm,
+                                                  htonl (mp->sw_if_index));
   if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
     {
-      rv = VNET_API_ERROR_INVALID_INTERFACE;
+      rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
       goto reply;
     }
 
@@ -130,7 +203,8 @@ virtio_pci_send_sw_interface_details (vpe_api_main_t * am,
   clib_memset (mp, 0, sizeof (*mp));
 
   mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_VIRTIO_PCI_DETAILS);
-  mp->pci_addr = htonl (vif->pci_addr.as_u32);
+  pci_address_encode ((vlib_pci_addr_t *) & vif->pci_addr.as_u32,
+                     &mp->pci_addr);
   mp->sw_if_index = htonl (vif->sw_if_index);
   virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, 0);
   mp->rx_ring_sz = htons (vring->size);
@@ -181,7 +255,7 @@ setup_message_id_table (api_main_t * am)
 static clib_error_t *
 virtio_pci_api_hookup (vlib_main_t * vm)
 {
-  api_main_t *am = &api_main;
+  api_main_t *am = vlibapi_get_main ();
 
 #define _(N,n)                                                  \
     vl_msg_api_set_handlers(VL_API_##N, #n,                     \