avf: binary API and configurable RX/TX queue size

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

1 files changed, 233 insertions, 0 deletions

diff --git a/src/plugins/avf/avf_test.c b/src/plugins/avf/avf_test.c
new file mode 100644
index 00000000000..c980779eeac
--- /dev/null
+++ b/src/plugins/avf/avf_test.c
@@ -0,0 +1,233 @@
+/*
+ *------------------------------------------------------------------
+ * 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 <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+#include <vppinfra/error.h>
+#include <avf/avf.h>
+
+#define __plugin_msg_base avf_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* declare message IDs */
+#include <avf/avf_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <avf/avf_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+#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, ...)
+#define vl_printfun
+#include <avf/avf_all_api_h.h>
+#undef vl_printfun
+
+/* get API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <avf/avf_all_api_h.h>
+#undef vp_api_version
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  vat_main_t *vat_main;
+} avf_test_main_t;
+
+avf_test_main_t avf_test_main;
+
+#define foreach_standard_reply_retval_handler		\
+_(avf_create_reply)					\
+_(avf_delete_reply)
+
+#define _(n)                                            \
+    static void vl_api_##n##_t_handler                  \
+    (vl_api_##n##_t * mp)                               \
+    {                                                   \
+        vat_main_t * vam = avf_test_main.vat_main;    	\
+        i32 retval = ntohl(mp->retval);                 \
+        if (vam->async_mode) {                          \
+            vam->async_errors += (retval < 0);          \
+        } else {                                        \
+            vam->retval = retval;                       \
+            vam->result_ready = 1;                      \
+        }                                               \
+    }
+foreach_standard_reply_retval_handler;
+#undef _
+
+#define foreach_vpe_api_reply_msg			\
+_(AVF_CREATE_REPLY, avf_create_reply)			\
+_(AVF_DELETE_REPLY, avf_delete_reply)
+
+/* avf create API */
+static int
+api_avf_create (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_avf_create_t *mp;
+  avf_create_if_args_t args;
+  int ret;
+  u32 x[4];
+
+  memset (&args, 0, sizeof (avf_create_if_args_t));
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "%x:%x:%x.%x", &x[0], &x[1], &x[2], &x[3]))
+	{
+	  args.addr.domain = x[0];
+	  args.addr.bus = x[1];
+	  args.addr.slot = x[2];
+	  args.addr.function = x[3];
+	}
+      else if (unformat (i, "elog"))
+	args.enable_elog = 1;
+      else if (unformat (i, "rx-queue-size %u", &args.rxq_size))
+	;
+      else if (unformat (i, "tx-queue-size %u", &args.txq_size))
+	;
+      else
+	{
+	  clib_warning ("unknown input '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  M (AVF_CREATE, mp);
+
+  mp->pci_addr = clib_host_to_net_u32 (args.addr.as_u32);
+  mp->enable_elog = clib_host_to_net_u16 (args.enable_elog);
+  mp->rxq_size = clib_host_to_net_u16 (args.rxq_size);
+  mp->txq_size = clib_host_to_net_u16 (args.txq_size);
+
+  S (mp);
+  W (ret);
+
+  return ret;
+}
+
+/* avf delete API */
+static int
+api_avf_delete (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_avf_delete_t *mp;
+  u32 sw_if_index = 0;
+  u8 index_defined = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "sw_if_index %u", &sw_if_index))
+	index_defined = 1;
+      else
+	{
+	  clib_warning ("unknown input '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  if (!index_defined)
+    {
+      errmsg ("missing sw_if_index\n");
+      return -99;
+    }
+
+  M (AVF_DELETE, mp);
+
+  mp->sw_if_index = clib_host_to_net_u32 (sw_if_index);
+
+  S (mp);
+  W (ret);
+
+  return ret;
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg					\
+_(avf_create, "<pci-address> [rx-queue-size <size>] "		\
+              "[tx-queue-size <size>]")				\
+_(avf_delete, "<sw_if_index>")
+
+static void
+avf_vat_api_hookup (vat_main_t * vam)
+{
+  avf_test_main_t *avm __attribute__ ((unused)) = &avf_test_main;
+#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_vpe_api_reply_msg;
+#undef _
+
+#define _(n,h)							\
+  hash_set_mem (vam->function_by_name, #n, api_##n);
+  foreach_vpe_api_msg;
+#undef _
+
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+  foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+  avf_test_main_t *avm = &avf_test_main;
+  u8 *name;
+
+  avm->vat_main = vam;
+
+  name = format (0, "avf_%08x%c", api_version, 0);
+  avm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  if (avm->msg_id_base != (u16) ~ 0)
+    avf_vat_api_hookup (vam);
+
+  vec_free (name);
+
+  return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */