From 518251bc8a3e67e25a041bf54d6bb01a2233838b Mon Sep 17 00:00:00 2001
From: Mohsin Kazmi <sykazmi@cisco.com>
Date: Tue, 1 Sep 2020 17:17:44 +0000
Subject: virtio: add virtio 1.1 api flags

Type: feature

Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I95d7fc1cc8db5199570c66535f45e867a7cae676
---
 src/vnet/devices/virtio/virtio_api.c | 61 ++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

(limited to '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 96ed927dc38..9a145d94a41 100644
--- a/src/vnet/devices/virtio/virtio_api.c
+++ b/src/vnet/devices/virtio/virtio_api.c
@@ -47,9 +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)
 {
@@ -93,6 +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)
 {
-- 
cgit 1.2.3-korg