Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 186 insertions, 0 deletions

diff --git a/src/vnet/pg/edit.c b/src/vnet/pg/edit.c
new file mode 100644
index 00000000000..cb4d070fb19
--- /dev/null
+++ b/src/vnet/pg/edit.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+/*
+ * pg_edit.c: packet generator edits
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/pg/pg.h>
+
+static void
+pg_edit_set_value_helper (pg_edit_t * e, u64 value, u8 * result)
+{
+  int i, j, n_bits_left;
+  u8 *v, tmp[8];
+
+  v = tmp;
+
+  n_bits_left = e->n_bits;
+  i = 0;
+  j = e->lsb_bit_offset % BITS (v[0]);
+
+  if (n_bits_left > 0 && j != 0)
+    {
+      v[i] = (value & 0xff) << j;
+      value >>= BITS (v[0]) - j;
+      n_bits_left -= BITS (v[0]) - j;
+      i += 1;
+    }
+
+  while (n_bits_left > 0)
+    {
+      v[i] = value & 0xff;
+      value >>= 8;
+      n_bits_left -= 8;
+      i += 1;
+    }
+
+  /* Convert to network byte order. */
+  for (j = 0; j < i; j++)
+    result[j] = v[i - 1 - j];
+}
+
+void
+pg_edit_set_value (pg_edit_t * e, int hi_or_lo, u64 value)
+{
+  pg_edit_alloc_value (e, hi_or_lo);
+  pg_edit_set_value_helper (e, value, e->values[hi_or_lo]);
+}
+
+/* Parse an int either %d or 0x%x into network byte order. */
+uword
+unformat_pg_number (unformat_input_t * input, va_list * args)
+{
+  u8 *result = va_arg (*args, u8 *);
+  pg_edit_t *e = va_arg (*args, pg_edit_t *);
+  u64 value;
+
+  ASSERT (BITS (value) >= e->n_bits);
+
+  if (!unformat (input, "0x%X", sizeof (value), &value)
+      && !unformat (input, "%D", sizeof (value), &value))
+    return 0;
+
+  /* Number given does not fit into bit field. */
+  if (e->n_bits < 64 && value >= (u64) 1 << (u64) e->n_bits)
+    return 0;
+
+  pg_edit_set_value_helper (e, value, result);
+  return 1;
+}
+
+uword
+unformat_pg_edit (unformat_input_t * input, va_list * args)
+{
+  unformat_function_t *f = va_arg (*args, unformat_function_t *);
+  pg_edit_t *e = va_arg (*args, pg_edit_t *);
+
+  pg_edit_alloc_value (e, PG_EDIT_LO);
+  if (!unformat_user (input, f, e->values[PG_EDIT_LO], e))
+    return 0;
+
+  pg_edit_alloc_value (e, PG_EDIT_HI);
+  if (unformat (input, "-%U", f, e->values[PG_EDIT_HI], e))
+    e->type = PG_EDIT_INCREMENT;
+  else if (unformat (input, "+%U", f, e->values[PG_EDIT_HI], e))
+    e->type = PG_EDIT_RANDOM;
+  else
+    e->type = PG_EDIT_FIXED;
+
+  return 1;
+}
+
+uword
+unformat_pg_payload (unformat_input_t * input, va_list * args)
+{
+  pg_stream_t *s = va_arg (*args, pg_stream_t *);
+  vlib_main_t *vm = vlib_get_main ();
+  pg_edit_t *e;
+  u32 i, node_index, len, max_len;
+  u8 *v;
+
+  v = 0;
+
+  if (unformat (input, "incrementing %d", &len))
+    {
+      vec_resize (v, len);
+      for (i = 0; i < len; i++)
+	v[i] = i;
+    }
+  else if (unformat (input, "hex 0x%U", unformat_hex_string, &v))
+    ;
+
+  else if (unformat (input, "%U", unformat_vlib_node, vm, &node_index))
+    {
+      pg_node_t *pn = pg_get_node (node_index);
+      if (!pn->unformat_edit)
+	return 0;
+      return unformat (input, "%U", pn->unformat_edit, s);
+    }
+
+  else
+    return 0;
+
+  /* Length not including this payload. */
+  max_len = pg_edit_group_n_bytes (s, 0);
+  if (max_len + vec_len (v) >= s->max_packet_bytes)
+    {
+      if (s->max_packet_bytes >= max_len)
+	_vec_len (v) = s->max_packet_bytes - max_len;
+      else
+	_vec_len (v) = 0;
+    }
+
+  e = pg_create_edit_group (s, sizeof (e[0]), vec_len (v), 0);
+
+  e->type = PG_EDIT_FIXED;
+  e->n_bits = vec_len (v) * BITS (v[0]);
+
+  /* Least significant bit is at end of bitstream, since everything is always bigendian. */
+  e->lsb_bit_offset = e->n_bits - BITS (v[0]);
+
+  e->values[PG_EDIT_LO] = v;
+
+  return 1;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */