vmxnet3 device driver

Implemented vmxnet3 deivice driver for VMWare ESXi. Tested with Ubuntu 18.04
connected to ESXi 6.0

Ubuntu-18.04 (VPP) --- ESXi-6.0

Change-Id: I85fbc86f2d8532b017bc4271612d17e24e498e4d
Signed-off-by: Steven Luong  <sluong@cisco.com>

1 files changed, 331 insertions, 0 deletions

diff --git a/src/plugins/vmxnet3/vmxnet3_test.c b/src/plugins/vmxnet3/vmxnet3_test.c
new file mode 100644
index 00000000000..b08f61b0bd9
--- /dev/null
+++ b/src/plugins/vmxnet3/vmxnet3_test.c
@@ -0,0 +1,331 @@
+/*
+ *------------------------------------------------------------------
+ * 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 <vmxnet3/vmxnet3.h>
+
+#define __plugin_msg_base vmxnet3_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* declare message IDs */
+#include <vmxnet3/vmxnet3_msg_enum.h>
+
+/* Get CRC codes of the messages defined outside of this plugin */
+#define vl_msg_name_crc_list
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+/* define message structures */
+#define vl_typedefs
+#include <vpp/api/vpe_all_api_h.h>
+#include <vmxnet3/vmxnet3_all_api_h.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+#define vl_endianfun
+#include <vmxnet3/vmxnet3_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <vmxnet3/vmxnet3_all_api_h.h>
+#undef vl_printfun
+
+/* get API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <vmxnet3/vmxnet3_all_api_h.h>
+#undef vp_api_version
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  u32 ping_id;
+  vat_main_t *vat_main;
+} vmxnet3_test_main_t;
+
+vmxnet3_test_main_t vmxnet3_test_main;
+
+#define foreach_standard_reply_retval_handler		\
+_(vmxnet3_delete_reply)
+
+#define _(n)                                            \
+    static void vl_api_##n##_t_handler                  \
+    (vl_api_##n##_t * mp)                               \
+    {                                                   \
+        vat_main_t * vam = vmxnet3_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			\
+_(VMXNET3_CREATE_REPLY, vmxnet3_create_reply)		\
+_(VMXNET3_DELETE_REPLY, vmxnet3_delete_reply)           \
+_(VMXNET3_DETAILS, vmxnet3_details)
+
+/* vmxnet3 create API */
+static int
+api_vmxnet3_create (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_vmxnet3_create_t *mp;
+  vmxnet3_create_if_args_t args;
+  int ret;
+  u32 x[4];
+
+  memset (&args, 0, sizeof (vmxnet3_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 (VMXNET3_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;
+}
+
+/* vmxnet3-create reply handler */
+static void
+vl_api_vmxnet3_create_reply_t_handler (vl_api_vmxnet3_create_reply_t * mp)
+{
+  vat_main_t *vam = vmxnet3_test_main.vat_main;
+  i32 retval = ntohl (mp->retval);
+
+  if (retval == 0)
+    {
+      fformat (vam->ofp, "created vmxnet3 with sw_if_index %d\n",
+	       ntohl (mp->sw_if_index));
+    }
+
+  vam->retval = retval;
+  vam->result_ready = 1;
+  vam->regenerate_interface_table = 1;
+}
+
+/* vmxnet3 delete API */
+static int
+api_vmxnet3_delete (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_vmxnet3_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 (VMXNET3_DELETE, mp);
+
+  mp->sw_if_index = clib_host_to_net_u32 (sw_if_index);
+
+  S (mp);
+  W (ret);
+
+  return ret;
+}
+
+static int
+api_vmxnet3_dump (vat_main_t * vam)
+{
+  vmxnet3_test_main_t *vxm = &vmxnet3_test_main;
+  vl_api_vmxnet3_dump_t *mp;
+  vl_api_control_ping_t *mp_ping;
+  int ret;
+
+  if (vam->json_output)
+    {
+      clib_warning ("JSON output not supported for vmxnet3_dump");
+      return -99;
+    }
+
+  M (VMXNET3_DUMP, mp);
+  S (mp);
+
+  /* Use a control ping for synchronization */
+  mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
+  mp_ping->_vl_msg_id = htons (vxm->ping_id);
+  mp_ping->client_index = vam->my_client_index;
+
+  fformat (vam->ofp, "Sending ping id=%d\n", vxm->ping_id);
+
+  vam->result_ready = 0;
+  S (mp_ping);
+
+  W (ret);
+  return ret;
+}
+
+static void
+vl_api_vmxnet3_details_t_handler (vl_api_vmxnet3_details_t * mp)
+{
+  vat_main_t *vam = vmxnet3_test_main.vat_main;
+  u32 pci_addr = ntohl (mp->pci_addr);
+
+  fformat (vam->ofp, "%s: sw_if_index %u mac %U\n"
+	   "   version: %u\n"
+	   "   PCI Address: %U\n"
+	   "   RX completion next index %u"
+	   "   RX Queue %u\n"
+	   "    ring 0 size %u fill %u consume %u produce %u\n"
+	   "    ring 1 size %u fill %u consume %u produce %u\n"
+	   "   TX completion next index %u"
+	   "   TX Queue %u\n"
+	   "    size %u consume %u produce %u\n"
+	   "   state %s\n",
+	   mp->if_name, ntohl (mp->sw_if_index), format_ethernet_address,
+	   mp->hw_addr, mp->version,
+	   format_vlib_pci_addr, &pci_addr,
+	   ntohs (mp->rx_next),
+	   ntohs (mp->rx_qid),
+	   ntohs (mp->rx_qsize), ntohs (mp->rx_fill[0]),
+	   ntohs (mp->rx_consume[0]),
+	   ntohs (mp->rx_produce[0]),
+	   ntohs (mp->rx_qsize), ntohs (mp->rx_fill[1]),
+	   ntohs (mp->rx_consume[1]),
+	   ntohs (mp->rx_produce[1]),
+	   ntohs (mp->tx_next),
+	   ntohs (mp->tx_qid),
+	   ntohs (mp->tx_qsize), ntohs (mp->tx_consume),
+	   ntohs (mp->tx_produce), mp->admin_up_down ? "up" : "down");
+}
+
+/*
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg					\
+_(vmxnet3_create, "<pci-address> [rx-queue-size <size>] "	\
+              "[tx-queue-size <size>]")				\
+_(vmxnet3_delete, "<sw_if_index>")                              \
+_(vmxnet3_dump, "")
+
+static void
+vmxnet3_vat_api_hookup (vat_main_t * vam)
+{
+  vmxnet3_test_main_t *vxm __attribute__ ((unused)) = &vmxnet3_test_main;
+#define _(N,n)                                                  \
+  vl_msg_api_set_handlers((VL_API_##N + vxm->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)
+{
+  vmxnet3_test_main_t *vxm = &vmxnet3_test_main;
+  u8 *name;
+
+  vxm->vat_main = vam;
+
+  name = format (0, "vmxnet3_%08x%c", api_version, 0);
+  vxm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  /* Get the control ping ID */
+#define _(id,n,crc) \
+  const char *id ## _CRC __attribute__ ((unused)) = #n "_" #crc;
+  foreach_vl_msg_name_crc_vpe;
+#undef _
+  vxm->ping_id = vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
+
+  if (vxm->msg_id_base != (u16) ~ 0)
+    vmxnet3_vat_api_hookup (vam);
+
+  vec_free (name);
+
+  return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */