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, 143 insertions, 0 deletions

diff --git a/src/plugins/vmxnet3/format.c b/src/plugins/vmxnet3/format.c
new file mode 100644
index 00000000000..8ee812ecc06
--- /dev/null
+++ b/src/plugins/vmxnet3/format.c
@@ -0,0 +1,143 @@
+/*
+ *------------------------------------------------------------------
+ * 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 <vmxnet3/vmxnet3.h>
+
+u8 *
+format_vmxnet3_device_name (u8 * s, va_list * args)
+{
+  u32 i = va_arg (*args, u32);
+  vmxnet3_main_t *vmxm = &vmxnet3_main;
+  vmxnet3_device_t *vd = vec_elt_at_index (vmxm->devices, i);
+  vlib_pci_addr_t *addr = vlib_pci_get_addr (vd->pci_dev_handle);
+
+  s = format (s, "vmxnet3-%x/%x/%x/%x",
+	      addr->domain, addr->bus, addr->slot, addr->function);
+  return s;
+}
+
+u8 *
+format_vmxnet3_device_flags (u8 * s, va_list * args)
+{
+  vmxnet3_device_t *vd = va_arg (*args, vmxnet3_device_t *);
+  u8 *t = 0;
+
+#define _(a, b, c) if (vd->flags & (1 << a)) \
+    t = format (t, "%s%s", t ? " ":"", c);
+  foreach_vmxnet3_device_flags
+#undef _
+    s = format (s, "%v", t);
+  vec_free (t);
+  return s;
+}
+
+u8 *
+format_vmxnet3_device (u8 * s, va_list * args)
+{
+  u32 i = va_arg (*args, u32);
+  vmxnet3_main_t *vmxm = &vmxnet3_main;
+  vmxnet3_device_t *vd = vec_elt_at_index (vmxm->devices, i);
+  u32 indent = format_get_indent (s);
+  vmxnet3_queues *q = &vd->dma->queues;
+  vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, 0);
+  vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, 0);
+
+  s = format (s, "flags: %U", format_vmxnet3_device_flags, vd);
+  s = format (s, "\n%Urx queues %u, rx desc %u, tx queues %u, tx desc %u",
+	      format_white_space, indent,
+	      vd->num_rx_queues, rxq->size, vd->num_tx_queues, txq->size);
+  if (vd->error)
+    s = format (s, "\n%Uerror %U", format_white_space, indent,
+		format_clib_error, vd->error);
+
+  vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
+
+  s = format (s, "\n%UTX:", format_white_space, indent);
+  s = format (s, "\n%U  TSO packets                         %llu",
+	      format_white_space, indent, q->tx.stats.tso_pkts);
+  s = format (s, "\n%U  TSO bytes                           %llu",
+	      format_white_space, indent, q->tx.stats.tso_bytes);
+  s = format (s, "\n%U  ucast packets                       %llu",
+	      format_white_space, indent, q->tx.stats.ucast_pkts);
+  s = format (s, "\n%U  ucast bytes                         %llu",
+	      format_white_space, indent, q->tx.stats.ucast_bytes);
+  s = format (s, "\n%U  mcast packets                       %llu",
+	      format_white_space, indent, q->tx.stats.mcast_pkts);
+  s = format (s, "\n%U  mcast bytes                         %llu",
+	      format_white_space, indent, q->tx.stats.mcast_bytes);
+  s = format (s, "\n%U  bcast packets                       %llu",
+	      format_white_space, indent, q->tx.stats.bcast_pkts);
+  s = format (s, "\n%U  bcast bytes                         %llu",
+	      format_white_space, indent, q->tx.stats.bcast_bytes);
+  s = format (s, "\n%U  Errors packets                      %llu",
+	      format_white_space, indent, q->tx.stats.error_pkts);
+  s = format (s, "\n%U  Discard packets                     %llu",
+	      format_white_space, indent, q->tx.stats.discard_pkts);
+
+  s = format (s, "\n%URX:", format_white_space, indent);
+  s = format (s, "\n%U  LRO packets                         %llu",
+	      format_white_space, indent, q->rx.stats.lro_pkts);
+  s = format (s, "\n%U  LRO bytes                           %llu",
+	      format_white_space, indent, q->rx.stats.lro_bytes);
+  s = format (s, "\n%U  ucast packets                       %llu",
+	      format_white_space, indent, q->rx.stats.ucast_pkts);
+  s = format (s, "\n%U  ucast bytes                         %llu",
+	      format_white_space, indent, q->rx.stats.ucast_bytes);
+  s = format (s, "\n%U  mcast packets                       %llu",
+	      format_white_space, indent, q->rx.stats.mcast_pkts);
+  s = format (s, "\n%U  mcast bytes                         %llu",
+	      format_white_space, indent, q->rx.stats.mcast_bytes);
+  s = format (s, "\n%U  bcast packets                       %llu",
+	      format_white_space, indent, q->rx.stats.bcast_pkts);
+  s = format (s, "\n%U  bcast bytes                         %llu",
+	      format_white_space, indent, q->rx.stats.bcast_bytes);
+  s = format (s, "\n%U  No Bufs                             %llu",
+	      format_white_space, indent, q->rx.stats.nobuf_pkts);
+  s = format (s, "\n%U  Error packets                       %llu",
+	      format_white_space, indent, q->rx.stats.error_pkts);
+  return s;
+}
+
+u8 *
+format_vmxnet3_input_trace (u8 * s, va_list * args)
+{
+  vlib_main_t *vm = va_arg (*args, vlib_main_t *);
+  vlib_node_t *node = va_arg (*args, vlib_node_t *);
+  vmxnet3_input_trace_t *t = va_arg (*args, vmxnet3_input_trace_t *);
+  vnet_main_t *vnm = vnet_get_main ();
+  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, t->hw_if_index);
+
+  s = format (s, "vmxnet3: %v (%d) next-node %U",
+	      hi->name, t->hw_if_index, format_vlib_next_node_name, vm,
+	      node->index, t->next_index);
+  s = format (s, "\n  buffer %U", format_vlib_buffer, &t->buffer);
+
+  return s;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */