1 files changed, 84 insertions, 0 deletions
diff --git a/src/plugins/ioam/lib-e2e/ioam_seqno_lib.c b/src/plugins/ioam/lib-e2e/ioam_seqno_lib.c
new file mode 100644
index 00000000000..bf78c1e3d2d
--- /dev/null
+++ b/src/plugins/ioam/lib-e2e/ioam_seqno_lib.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017 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 <vnet/vnet.h>
+#include <ioam/lib-e2e/ioam_seqno_lib.h>
+
+u8 *
+show_ioam_seqno_cmd_fn (u8 * s, ioam_seqno_data * seqno_data, u8 enc)
+{
+  seqno_rx_info *rx;
+
+  s = format (s, "SeqNo Data:\n");
+  if (enc)
+    {
+      s = format (s, "  Current Seq. Number : %llu\n", seqno_data->seq_num);
+    }
+  else
+    {
+      rx = &seqno_data->seqno_rx;
+      s = show_ioam_seqno_analyse_data_fn (s, rx);
+    }
+
+  format (s, "\n");
+  return s;
+}
+
+u8 *
+show_ioam_seqno_analyse_data_fn (u8 * s, seqno_rx_info * rx)
+{
+  s = format (s, "  Highest Seq. Number : %llu\n", rx->bitmap.highest);
+  s = format (s, "     Packets received : %llu\n", rx->rx_packets);
+  s = format (s, "         Lost packets : %llu\n", rx->lost_packets);
+  s = format (s, "    Reordered packets : %llu\n", rx->reordered_packets);
+  s = format (s, "    Duplicate packets : %llu\n", rx->dup_packets);
+
+  format (s, "\n");
+  return s;
+}
+
+void
+ioam_seqno_init_data (ioam_seqno_data * data)
+{
+  data->seq_num = 0;
+  ioam_seqno_init_rx_info (&data->seqno_rx);
+  return;
+}
+
+void
+ioam_seqno_init_rx_info (seqno_rx_info * data)
+{
+  seqno_bitmap *bitmap = &data->bitmap;
+  bitmap->window_size = SEQNO_WINDOW_SIZE;
+  bitmap->array_size = SEQNO_WINDOW_ARRAY_SIZE;
+  bitmap->mask = 32 * SEQNO_WINDOW_ARRAY_SIZE - 1;
+  bitmap->array[0] = 0x00000000;	/* pretend we haven seen sequence numbers 0 */
+  bitmap->highest = 0;
+
+  data->dup_packets = 0;
+  data->lost_packets = 0;
+  data->reordered_packets = 0;
+  data->rx_packets = 0;
+  return;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */