devices: vhost API cleanup

Use consistent API types.

Type: fix

Change-Id: I2dec594cb834a45004edc9ca58ad7c7b4bd7ff06
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

5 files changed, 171 insertions, 26 deletions

diff --git a/src/vnet/devices/virtio/vhost_user.api b/src/vnet/devices/virtio/vhost_user.api
index e08c7351ddf..9b057552c00 100644
--- a/src/vnet/devices/virtio/vhost_user.api
+++ b/src/vnet/devices/virtio/vhost_user.api
@@ -13,7 +13,11 @@
  * limitations under the License.
  */
 
-option version = "3.0.0";
+option version = "4.0.0";
+
+import "vnet/interface_types.api";
+import "vnet/ethernet/ethernet_types.api";
+import "vnet/devices/virtio/virtio_types.api";
 
 /** \brief vhost-user interface create request
     @param client_index - opaque cookie to identify the sender
@@ -29,16 +33,16 @@ define create_vhost_user_if
 {
   u32 client_index;
   u32 context;
-  u8 is_server;
-  u8 sock_filename[256];
-  u8 renumber;
-  u8 disable_mrg_rxbuf;
-  u8 disable_indirect_desc;
-  u8 enable_gso;
+  bool is_server;
+  string sock_filename[256];
+  bool renumber;
+  bool disable_mrg_rxbuf;
+  bool disable_indirect_desc;
+  bool enable_gso;
   u32 custom_dev_instance;
-  u8 use_custom_mac;
-  u8 mac_address[6];
-  u8 tag[64];
+  bool use_custom_mac;
+  vl_api_mac_address_t mac_address;
+  string tag[64];
 };
 
 /** \brief vhost-user interface create response
@@ -50,7 +54,7 @@ define create_vhost_user_if_reply
 {
   u32 context;
   i32 retval;
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
 };
 
 /** \brief vhost-user interface modify request
@@ -63,11 +67,11 @@ autoreply define modify_vhost_user_if
 {
   u32 client_index;
   u32 context;
-  u32 sw_if_index;
-  u8 is_server;
-  u8 sock_filename[256];
-  u8 renumber;
-  u8 enable_gso;
+  vl_api_interface_index_t sw_if_index;
+  bool is_server;
+  string sock_filename[256];
+  bool renumber;
+  bool enable_gso;
   u32 custom_dev_instance;
 };
 
@@ -78,35 +82,42 @@ autoreply define delete_vhost_user_if
 {
   u32 client_index;
   u32 context;
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
 };
 
 /** \brief Vhost-user interface details structure (fix this)
     @param sw_if_index - index of the interface
     @param interface_name - name of interface
     @param virtio_net_hdr_sz - net header size
-    @param features - interface features
+    @param features_first_32 - interface features, first 32 bits
+    @param features_last_32 - interface features, last 32 bits
     @param is_server - vhost-user server socket
     @param sock_filename - socket filename
     @param num_regions - number of used memory regions
+    @param sock_errno - socket errno
 */
 define sw_interface_vhost_user_details
 {
   u32 context;
-  u32 sw_if_index;
-  u8 interface_name[64];
+  vl_api_interface_index_t sw_if_index;
+  string interface_name[64];
   u32 virtio_net_hdr_sz;
-  u64 features;
-  u8 is_server;
-  u8 sock_filename[256];
+  vl_api_virtio_net_features_first_32_t features_first_32;
+  vl_api_virtio_net_features_last_32_t features_last_32;
+  bool is_server;
+  string sock_filename[256];
   u32 num_regions;
   i32 sock_errno;
 };
 
+/** \brief Vhost-user interface dump request
+    @param sw_if_index - filter by sw_if_index UNIMPLEMENTED
+*/
 define sw_interface_vhost_user_dump
 {
   u32 client_index;
   u32 context;
+  vl_api_interface_index_t sw_if_index [default=0xffffffff];
 };
 /*
  * Local Variables:
diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c
index c8c9b59dcc0..2ab87a65690 100644
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ b/src/vnet/devices/virtio/vhost_user_api.c
@@ -23,6 +23,9 @@
 #include <vnet/interface.h>
 #include <vnet/api_errno.h>
 #include <vnet/devices/virtio/vhost_user.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ethernet/ethernet_types_api.h>
+#include <vnet/devices/virtio/virtio_types_api.h>
 
 #include <vnet/vnet_msg_enum.h>
 
@@ -58,6 +61,8 @@ vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp)
   vlib_main_t *vm = vlib_get_main ();
   u64 features = (u64) ~ (0ULL);
   u64 disabled_features = (u64) (0ULL);
+  mac_address_t mac;
+  u8 *mac_p = NULL;
 
   if (mp->disable_mrg_rxbuf)
     disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF);
@@ -72,11 +77,16 @@ vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp)
   disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS;
   features &= ~disabled_features;
 
+  if (mp->use_custom_mac)
+    {
+      mac_address_decode (mp->mac_address, &mac);
+      mac_p = (u8 *) & mac;
+    }
+
   rv = vhost_user_create_if (vnm, vm, (char *) mp->sock_filename,
 			     mp->is_server, &sw_if_index, features,
 			     mp->renumber, ntohl (mp->custom_dev_instance),
-			     (mp->use_custom_mac) ? mp->mac_address : NULL,
-			     mp->enable_gso);
+			     mac_p, mp->enable_gso);
 
   /* Remember an interface tag for the new interface */
   if (rv == 0)
@@ -163,7 +173,8 @@ send_sw_interface_vhost_user_details (vpe_api_main_t * am,
   mp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_VHOST_USER_DETAILS);
   mp->sw_if_index = ntohl (vui->sw_if_index);
   mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz);
-  mp->features = clib_net_to_host_u64 (vui->features);
+  virtio_features_encode (vui->features, (u32 *) & mp->features_first_32,
+			  (u32 *) & mp->features_last_32);
   mp->is_server = vui->is_server;
   mp->num_regions = ntohl (vui->num_regions);
   mp->sock_errno = ntohl (vui->sock_errno);
@@ -188,11 +199,16 @@ static void
   vhost_user_intf_details_t *ifaces = NULL;
   vhost_user_intf_details_t *vuid = NULL;
   vl_api_registration_t *reg;
+  u32 filter_sw_if_index;
 
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
 
+  filter_sw_if_index = htonl (mp->sw_if_index);
+  if (filter_sw_if_index != ~0)
+    return;			/* UNIMPLEMENTED */
+
   rv = vhost_user_dump_ifs (vnm, vm, &ifaces);
   if (rv)
     return;
diff --git a/src/vnet/devices/virtio/virtio_types.api b/src/vnet/devices/virtio/virtio_types.api
new file mode 100644
index 00000000000..4ed43cb45e8
--- /dev/null
+++ b/src/vnet/devices/virtio/virtio_types.api
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+option version = "1.0.0";
+
+enum virtio_net_features_first_32
+{
+  VIRTIO_NET_F_API_CSUM	= 0x0001, /* 0 */
+  VIRTIO_NET_F_API_GUEST_CSUM = 0x0002, /* 1 */
+  VIRTIO_NET_F_API_GUEST_TSO4 = 0x0080, /* 7 */
+  VIRTIO_NET_F_API_GUEST_TSO6 = 0x0100, /* 8 */
+  VIRTIO_NET_F_API_GUEST_UFO = 0x0400, /* 10 */
+  VIRTIO_NET_F_API_HOST_TSO4 = 0x0800, /* 11 */
+  VIRTIO_NET_F_API_HOST_TSO6 = 0x1000, /* 12 */
+  VIRTIO_NET_F_API_HOST_UFO = 0x4000, /* 14 */
+  VIRTIO_NET_F_API_MRG_RXBUF = 0x8000, /* 15 */
+  VIRTIO_NET_F_API_CTRL_VQ = 0x00020000, /* 17 */
+  VIRTIO_NET_F_API_GUEST_ANNOUNCE = 0x00200000, /* 21 */
+  VIRTIO_NET_F_API_MQ = 0x00400000, /* 22 */
+  VHOST_F_API_LOG_ALL = 0x04000000, /* 26 */
+  VIRTIO_F_API_ANY_LAYOUT = 0x08000000, /* 27 */
+  VIRTIO_F_API_INDIRECT_DESC = 0x10000000, /* 28*/
+  VHOST_USER_F_API_PROTOCOL_FEATURES = 0x40000000, /* 30 */
+};
+
+enum virtio_net_features_last_32
+{
+  VIRTIO_F_API_VERSION_1 = 0x0001, /* 32 */
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/devices/virtio/virtio_types_api.c b/src/vnet/devices/virtio/virtio_types_api.c
new file mode 100644
index 00000000000..48e0ab93dbf
--- /dev/null
+++ b/src/vnet/devices/virtio/virtio_types_api.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+
+#include <vlibapi/api_types.h>
+#include <vnet/devices/virtio/virtio_types_api.h>
+
+
+u64
+virtio_features_decode (u32 first, u32 last)
+{
+  return clib_net_to_host_u32 (first) | ((u64)clib_net_to_host_u32 (last) << 32);
+}
+
+void
+virtio_features_encode (u64 features, u32 *first, u32 *last)
+{
+  *first = clib_net_to_host_u32 (features);
+  *last = clib_net_to_host_u32 (features >> 32);
+}
diff --git a/src/vnet/devices/virtio/virtio_types_api.h b/src/vnet/devices/virtio/virtio_types_api.h
new file mode 100644
index 00000000000..ff35fa3450f
--- /dev/null
+++ b/src/vnet/devices/virtio/virtio_types_api.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __VIRTIO_TYPES_API_H__
+#define __VIRTIO_TYPES_API_H__
+
+/**
+ * Conversion functions to/from (decode/encode) API types to VPP internal types
+ */
+
+/**
+ * These enum decode/encodes use 'u32' as the type for the enum because
+ * one cannot forward declare an enum
+ */
+extern u64 virtio_features_decode (u32 first, u32 last);
+extern void virtio_features_encode (u64 features, u32 * first, u32 * last);
+
+#endif /* __VIRTIO_TYPES_API_H__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */