avf: binary API and configurable RX/TX queue size

Change-Id: Ibd3a8d28d8f1df2bc14c42e48498f6ac26081192
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

1 files changed, 161 insertions, 0 deletions

diff --git a/src/plugins/avf/avf_api.c b/src/plugins/avf/avf_api.c
new file mode 100644
index 00000000000..7c5925244ca
--- /dev/null
+++ b/src/plugins/avf/avf_api.c
@@ -0,0 +1,161 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2018 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 <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vlib/pci/pci.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <avf/avf.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+/* define message IDs */
+#include <avf/avf_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <avf/avf_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <avf/avf_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <avf/avf_all_api_h.h>
+#undef vl_printfun
+
+/* get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <avf/avf_all_api_h.h>
+#undef vl_api_version
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_avf_plugin_api_msg	\
+_(AVF_CREATE, avf_create)		\
+_(AVF_DELETE, avf_delete)
+
+static void
+vl_api_avf_create_t_handler (vl_api_avf_create_t * mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  avf_main_t *am = &avf_main;
+  vl_api_avf_create_reply_t *rmp;
+  avf_create_if_args_t args;
+  int rv = 0;
+
+  memset (&args, 0, sizeof (avf_create_if_args_t));
+
+  args.enable_elog = ntohl (mp->enable_elog);
+  args.addr.as_u32 = ntohl (mp->pci_addr);
+  args.rxq_size = ntohl (mp->rxq_size);
+  args.txq_size = ntohl (mp->txq_size);
+
+  avf_create_if (vm, &args);
+
+  rv = args.rv;
+
+  REPLY_MACRO (VL_API_AVF_CREATE_REPLY + am->msg_id_base);
+}
+
+static void
+vl_api_avf_delete_t_handler (vl_api_avf_delete_t * mp)
+{
+  vlib_main_t *vm = vlib_get_main ();
+  vnet_main_t *vnm = vnet_get_main ();
+  avf_main_t *am = &avf_main;
+  vl_api_avf_delete_reply_t *rmp;
+  avf_device_t *ad;
+  vnet_hw_interface_t *hw;
+  int rv = 0;
+
+  hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index));
+  if (hw == NULL || avf_device_class.index != hw->dev_class_index)
+    {
+      rv = VNET_API_ERROR_INVALID_INTERFACE;
+      goto reply;
+    }
+
+  ad = pool_elt_at_index (am->devices, hw->dev_instance);
+
+  avf_delete_if (vm, ad);
+
+reply:
+  REPLY_MACRO (VL_API_AVF_DELETE_REPLY + am->msg_id_base);
+}
+
+#define vl_msg_name_crc_list
+#include <avf/avf_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (avf_main_t * avm, api_main_t * am)
+{
+#define _(id,n,crc) \
+  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + avm->msg_id_base);
+  foreach_vl_msg_name_crc_avf;
+#undef _
+}
+
+/* set tup the API message handling tables */
+static clib_error_t *
+avf_plugin_api_hookup (vlib_main_t * vm)
+{
+  avf_main_t *avm = &avf_main;
+  api_main_t *am = &api_main;
+  u8 *name;
+
+  /* construct the API name */
+  name = format (0, "avf_%08x%c", api_version, 0);
+
+  /* ask for a correctly-sized block of API message decode slots */
+  avm->msg_id_base = vl_msg_api_get_msg_ids
+    ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+#define _(N,n)							\
+    vl_msg_api_set_handlers((VL_API_##N + avm->msg_id_base),	\
+			   #n,					\
+			   vl_api_##n##_t_handler,		\
+			   vl_noop_handler,			\
+			   vl_api_##n##_t_endian,		\
+			   vl_api_##n##_t_print,		\
+			   sizeof(vl_api_##n##_t), 1);
+  foreach_avf_plugin_api_msg;
+#undef _
+
+  /* set up the (msg_name, crc, message-id) table */
+  setup_message_id_table (avm, am);
+
+  vec_free (name);
+  return 0;
+}
+
+VLIB_API_INIT_FUNCTION (avf_plugin_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */