Flow: Rename IPFIX exporter.

Change-Id: I9363cf54b73f7cfd8622af6f1cb250438ea0d3b6
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 0 insertions, 556 deletions

diff --git a/src/vnet/flow/flow_report_classify.c b/src/vnet/flow/flow_report_classify.c
deleted file mode 100644
index 163ce10a369..00000000000
--- a/src/vnet/flow/flow_report_classify.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/*
- * 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.
- */
-#include <vnet/flow/flow_report.h>
-#include <vnet/flow/flow_report_classify.h>
-#include <vnet/api_errno.h>
-
-/* Common prefix of tcp and udp headers
- * containing only source and destination port fields */
-typedef struct
-{
-  u16 src_port, dst_port;
-} tcpudp_header_t;
-
-flow_report_classify_main_t flow_report_classify_main;
-
-u8 *
-ipfix_classify_template_rewrite (flow_report_main_t * frm,
-				 flow_report_t * fr,
-				 ip4_address_t * collector_address,
-				 ip4_address_t * src_address,
-				 u16 collector_port)
-{
-  flow_report_classify_main_t *fcm = &flow_report_classify_main;
-  vnet_classify_table_t *tblp;
-  vnet_classify_main_t *vcm = &vnet_classify_main;
-  u32 flow_table_index = fr->opaque.as_uword;
-  u8 *ip_start;
-  ip4_header_t *ip;
-  ip6_header_t *ip6;
-  tcpudp_header_t *tcpudp;
-  udp_header_t *udp;
-  ipfix_message_header_t *h;
-  ipfix_set_header_t *s;
-  ipfix_template_header_t *t;
-  ipfix_field_specifier_t *f;
-  ipfix_field_specifier_t *first_field;
-  u8 *rewrite = 0;
-  ip4_ipfix_template_packet_t *tp;
-  u32 field_count = 0;
-  u32 field_index = 0;
-  flow_report_stream_t *stream;
-  u8 ip_version;
-  u8 transport_protocol;
-  u8 *virt_mask;
-  u8 *real_mask;
-
-  stream = &frm->streams[fr->stream_index];
-
-  ipfix_classify_table_t *table = &fcm->tables[flow_table_index];
-
-  ip_version = table->ip_version;
-  transport_protocol = table->transport_protocol;
-
-  tblp = pool_elt_at_index (vcm->tables, table->classify_table_index);
-
-  virt_mask = (u8 *) (tblp->mask - tblp->skip_n_vectors);
-  real_mask = (u8 *) (tblp->mask);
-
-  /* Determine field count */
-  ip_start = virt_mask + sizeof (ethernet_header_t);
-#define _(field,mask,item,length)                                             \
-  if (((u8 *)&field >= real_mask) && (memcmp(&field, &mask, length) == 0))    \
-    {                                                                         \
-      field_count++;                                                          \
-                                                                              \
-      fr->fields_to_send = clib_bitmap_set (fr->fields_to_send,               \
-                                            field_index, 1);                  \
-    }                                                                         \
-  field_index++;
-  foreach_ipfix_field;
-#undef _
-
-  /* Add packetTotalCount manually */
-  field_count += 1;
-
-  /* $$$ enterprise fields, at some later date */
-
-  /* allocate rewrite space */
-  vec_validate_aligned (rewrite,
-			sizeof (ip4_ipfix_template_packet_t)
-			+ field_count * sizeof (ipfix_field_specifier_t) - 1,
-			CLIB_CACHE_LINE_BYTES);
-
-  tp = (ip4_ipfix_template_packet_t *) rewrite;
-  ip = (ip4_header_t *) & tp->ip4;
-  udp = (udp_header_t *) (ip + 1);
-  h = (ipfix_message_header_t *) (udp + 1);
-  s = (ipfix_set_header_t *) (h + 1);
-  t = (ipfix_template_header_t *) (s + 1);
-  first_field = f = (ipfix_field_specifier_t *) (t + 1);
-
-  ip->ip_version_and_header_length = 0x45;
-  ip->ttl = 254;
-  ip->protocol = IP_PROTOCOL_UDP;
-  ip->src_address.as_u32 = src_address->as_u32;
-  ip->dst_address.as_u32 = collector_address->as_u32;
-  udp->src_port = clib_host_to_net_u16 (stream->src_port);
-  udp->dst_port = clib_host_to_net_u16 (collector_port);
-  udp->length = clib_host_to_net_u16 (vec_len (rewrite) - sizeof (*ip));
-
-  /* FIXUP: message header export_time */
-  /* FIXUP: message header sequence_number */
-  h->domain_id = clib_host_to_net_u32 (stream->domain_id);
-
-  /* Take another trip through the mask and build the template */
-  ip_start = virt_mask + sizeof (ethernet_header_t);
-#define _(field,mask,item,length)                                             \
-  if (((u8 *)&field >= real_mask) && (memcmp(&field, &mask, length) == 0))    \
-    {                                                                         \
-      f->e_id_length = ipfix_e_id_length (0 /* enterprise */,                 \
-                                          item, length);                      \
-      f++;                                                                    \
-    }
-  foreach_ipfix_field;
-#undef _
-
-  /* Add packetTotalCount manually */
-  f->e_id_length =
-    ipfix_e_id_length (0 /* enterprise */ , packetTotalCount, 8);
-  f++;
-
-  /* Back to the template packet... */
-  ip = (ip4_header_t *) & tp->ip4;
-  udp = (udp_header_t *) (ip + 1);
-
-  ASSERT (f - first_field);
-  /* Field count in this template */
-  t->id_count = ipfix_id_count (fr->template_id, f - first_field);
-
-  /* set length in octets */
-  s->set_id_length =
-    ipfix_set_id_length (2 /* set_id */ , (u8 *) f - (u8 *) s);
-
-  /* message length in octets */
-  h->version_length = version_length ((u8 *) f - (u8 *) h);
-
-  ip->length = clib_host_to_net_u16 ((u8 *) f - (u8 *) ip);
-  ip->checksum = ip4_header_checksum (ip);
-
-  return rewrite;
-}
-
-vlib_frame_t *
-ipfix_classify_send_flows (flow_report_main_t * frm,
-			   flow_report_t * fr,
-			   vlib_frame_t * f, u32 * to_next, u32 node_index)
-{
-  flow_report_classify_main_t *fcm = &flow_report_classify_main;
-  vnet_classify_main_t *vcm = &vnet_classify_main;
-  u32 flow_table_index = fr->opaque.as_uword;
-  vnet_classify_table_t *t;
-  vnet_classify_bucket_t *b;
-  vnet_classify_entry_t *v, *save_v;
-  vlib_buffer_t *b0 = 0;
-  u32 next_offset = 0;
-  u32 record_offset = 0;
-  u32 bi0 = ~0;
-  int i, j, k;
-  ip4_ipfix_template_packet_t *tp;
-  ipfix_message_header_t *h = 0;
-  ipfix_set_header_t *s = 0;
-  u8 *ip_start;
-  ip4_header_t *ip;
-  ip6_header_t *ip6;
-  tcpudp_header_t *tcpudp;
-  udp_header_t *udp;
-  int field_index;
-  u32 records_this_buffer;
-  u16 new_l0, old_l0;
-  ip_csum_t sum0;
-  vlib_main_t *vm = frm->vlib_main;
-  flow_report_stream_t *stream;
-  u8 ip_version;
-  u8 transport_protocol;
-  u8 *virt_key;
-
-  stream = &frm->streams[fr->stream_index];
-
-  ipfix_classify_table_t *table = &fcm->tables[flow_table_index];
-
-  ip_version = table->ip_version;
-  transport_protocol = table->transport_protocol;
-
-  t = pool_elt_at_index (vcm->tables, table->classify_table_index);
-
-  while (__sync_lock_test_and_set (t->writer_lock, 1))
-    ;
-
-  for (i = 0; i < t->nbuckets; i++)
-    {
-      b = &t->buckets[i];
-      if (b->offset == 0)
-	continue;
-
-      save_v = vnet_classify_get_entry (t, b->offset);
-      for (j = 0; j < (1 << b->log2_pages); j++)
-	{
-	  for (k = 0; k < t->entries_per_page; k++)
-	    {
-	      v = vnet_classify_entry_at_index
-		(t, save_v, j * t->entries_per_page + k);
-
-	      if (vnet_classify_entry_is_free (v))
-		continue;
-
-	      /* OK, we have something to send... */
-	      if (PREDICT_FALSE (b0 == 0))
-		{
-		  if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
-		    goto flush;
-		  b0 = vlib_get_buffer (vm, bi0);
-
-		  u32 copy_len = sizeof (ip4_header_t) +
-		    sizeof (udp_header_t) + sizeof (ipfix_message_header_t);
-		  clib_memcpy (b0->data, fr->rewrite, copy_len);
-		  b0->current_data = 0;
-		  b0->current_length = copy_len;
-		  b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
-		  vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
-		  vnet_buffer (b0)->sw_if_index[VLIB_TX] = frm->fib_index;
-
-		  tp = vlib_buffer_get_current (b0);
-		  ip = (ip4_header_t *) & tp->ip4;
-		  udp = (udp_header_t *) (ip + 1);
-		  h = (ipfix_message_header_t *) (udp + 1);
-		  s = (ipfix_set_header_t *) (h + 1);
-
-		  /* FIXUP: message header export_time */
-		  h->export_time = (u32)
-		    (((f64) frm->unix_time_0) +
-		     (vlib_time_now (frm->vlib_main) - frm->vlib_time_0));
-		  h->export_time = clib_host_to_net_u32 (h->export_time);
-
-		  /* FIXUP: message header sequence_number */
-		  h->sequence_number = stream->sequence_number;
-		  h->sequence_number =
-		    clib_host_to_net_u32 (h->sequence_number);
-
-		  next_offset = (u32) (((u8 *) (s + 1)) - (u8 *) tp);
-		  record_offset = next_offset;
-		  records_this_buffer = 0;
-		}
-
-	      field_index = 0;
-	      virt_key = (u8 *) (v->key - t->skip_n_vectors);
-	      ip_start = virt_key + sizeof (ethernet_header_t);
-#define _(field,mask,item,length)                                       \
-              if (clib_bitmap_get (fr->fields_to_send, field_index))    \
-                {                                                       \
-                  clib_memcpy (b0->data + next_offset, &field,          \
-                          length);                                      \
-                  next_offset += length;                                \
-                }                                                       \
-              field_index++;
-	      foreach_ipfix_field;
-#undef _
-
-	      /* Add packetTotalCount manually */
-	      {
-		u64 packets = clib_host_to_net_u64 (v->hits);
-		clib_memcpy (b0->data + next_offset, &packets,
-			     sizeof (packets));
-		next_offset += sizeof (packets);
-	      }
-	      records_this_buffer++;
-	      stream->sequence_number++;
-
-	      /* Next record will have the same size as this record */
-	      u32 next_record_size = next_offset - record_offset;
-	      record_offset = next_offset;
-
-	      if (next_offset + next_record_size > frm->path_mtu)
-		{
-		  s->set_id_length = ipfix_set_id_length (fr->template_id,
-							  next_offset -
-							  (sizeof (*ip) +
-							   sizeof (*udp) +
-							   sizeof (*h)));
-		  h->version_length =
-		    version_length (next_offset -
-				    (sizeof (*ip) + sizeof (*udp)));
-		  b0->current_length = next_offset;
-		  b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
-
-		  tp = vlib_buffer_get_current (b0);
-		  ip = (ip4_header_t *) & tp->ip4;
-		  udp = (udp_header_t *) (ip + 1);
-
-		  sum0 = ip->checksum;
-		  old_l0 = ip->length;
-		  new_l0 = clib_host_to_net_u16 ((u16) next_offset);
-
-		  sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
-					 length /* changed member */ );
-
-		  ip->checksum = ip_csum_fold (sum0);
-		  ip->length = new_l0;
-		  udp->length =
-		    clib_host_to_net_u16 (b0->current_length - sizeof (*ip));
-
-		  if (frm->udp_checksum)
-		    {
-		      /* RFC 7011 section 10.3.2. */
-		      udp->checksum =
-			ip4_tcp_udp_compute_checksum (vm, b0, ip);
-		      if (udp->checksum == 0)
-			udp->checksum = 0xffff;
-		    }
-
-		  ASSERT (ip->checksum == ip4_header_checksum (ip));
-
-		  to_next[0] = bi0;
-		  f->n_vectors++;
-		  to_next++;
-
-		  if (f->n_vectors == VLIB_FRAME_SIZE)
-		    {
-		      vlib_put_frame_to_node (vm, node_index, f);
-		      f = vlib_get_frame_to_node (vm, node_index);
-		      f->n_vectors = 0;
-		      to_next = vlib_frame_vector_args (f);
-		    }
-		  b0 = 0;
-		  bi0 = ~0;
-		}
-	    }
-	}
-    }
-
-flush:
-  if (b0)
-    {
-      s->set_id_length = ipfix_set_id_length (fr->template_id,
-					      next_offset -
-					      (sizeof (*ip) + sizeof (*udp) +
-					       sizeof (*h)));
-      h->version_length = version_length (next_offset -
-					  (sizeof (*ip) + sizeof (*udp)));
-      b0->current_length = next_offset;
-      b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
-
-      tp = vlib_buffer_get_current (b0);
-      ip = (ip4_header_t *) & tp->ip4;
-      udp = (udp_header_t *) (ip + 1);
-
-      sum0 = ip->checksum;
-      old_l0 = ip->length;
-      new_l0 = clib_host_to_net_u16 ((u16) next_offset);
-
-      sum0 = ip_csum_update (sum0, old_l0, new_l0, ip4_header_t,
-			     length /* changed member */ );
-
-      ip->checksum = ip_csum_fold (sum0);
-      ip->length = new_l0;
-      udp->length = clib_host_to_net_u16 (b0->current_length - sizeof (*ip));
-
-      if (frm->udp_checksum)
-	{
-	  /* RFC 7011 section 10.3.2. */
-	  udp->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ip);
-	  if (udp->checksum == 0)
-	    udp->checksum = 0xffff;
-	}
-
-      ASSERT (ip->checksum == ip4_header_checksum (ip));
-
-      to_next[0] = bi0;
-      f->n_vectors++;
-
-      b0 = 0;
-      bi0 = ~0;
-    }
-
-  *(t->writer_lock) = 0;
-  return f;
-}
-
-static clib_error_t *
-ipfix_classify_table_add_del_command_fn (vlib_main_t * vm,
-					 unformat_input_t * input,
-					 vlib_cli_command_t * cmd)
-{
-  flow_report_classify_main_t *fcm = &flow_report_classify_main;
-  flow_report_main_t *frm = &flow_report_main;
-  vnet_flow_report_add_del_args_t args;
-  ipfix_classify_table_t *table;
-  int rv;
-  int is_add = -1;
-  u32 classify_table_index = ~0;
-  u8 ip_version = 0;
-  u8 transport_protocol = 255;
-  clib_error_t *error = 0;
-
-  if (fcm->src_port == 0)
-    clib_error_return (0, "call 'set ipfix classify stream' first");
-
-  memset (&args, 0, sizeof (args));
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "add"))
-	is_add = 1;
-      else if (unformat (input, "del"))
-	is_add = 0;
-      else if (unformat (input, "%d", &classify_table_index))
-	;
-      else if (unformat (input, "ip4"))
-	ip_version = 4;
-      else if (unformat (input, "ip6"))
-	ip_version = 6;
-      else if (unformat (input, "tcp"))
-	transport_protocol = 6;
-      else if (unformat (input, "udp"))
-	transport_protocol = 17;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  if (is_add == -1)
-    return clib_error_return (0, "expecting: add|del");
-  if (classify_table_index == ~0)
-    return clib_error_return (0, "classifier table not specified");
-  if (ip_version == 0)
-    return clib_error_return (0, "IP version not specified");
-
-  table = 0;
-  int i;
-  for (i = 0; i < vec_len (fcm->tables); i++)
-    if (ipfix_classify_table_index_valid (i))
-      if (fcm->tables[i].classify_table_index == classify_table_index)
-	{
-	  table = &fcm->tables[i];
-	  break;
-	}
-
-  if (is_add)
-    {
-      if (table)
-	return clib_error_return (0,
-				  "Specified classifier table already used");
-      table = ipfix_classify_add_table ();
-      table->classify_table_index = classify_table_index;
-    }
-  else
-    {
-      if (!table)
-	return clib_error_return (0,
-				  "Specified classifier table not registered");
-    }
-
-  table->ip_version = ip_version;
-  table->transport_protocol = transport_protocol;
-
-  args.opaque.as_uword = table - fcm->tables;
-  args.rewrite_callback = ipfix_classify_template_rewrite;
-  args.flow_data_callback = ipfix_classify_send_flows;
-  args.is_add = is_add;
-  args.domain_id = fcm->domain_id;
-  args.src_port = fcm->src_port;
-
-  rv = vnet_flow_report_add_del (frm, &args, NULL);
-
-  error = flow_report_add_del_error_to_clib_error (rv);
-
-  /* If deleting, or add failed */
-  if (is_add == 0 || (rv && is_add))
-    ipfix_classify_delete_table (table - fcm->tables);
-
-  return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (ipfix_classify_table_add_del_command, static) = {
-  .path = "ipfix classify table",
-  .short_help = "ipfix classify table add|del <table-index>",
-  .function = ipfix_classify_table_add_del_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-set_ipfix_classify_stream_command_fn (vlib_main_t * vm,
-				      unformat_input_t * input,
-				      vlib_cli_command_t * cmd)
-{
-  flow_report_classify_main_t *fcm = &flow_report_classify_main;
-  flow_report_main_t *frm = &flow_report_main;
-  u32 domain_id = 1;
-  u32 src_port = UDP_DST_PORT_ipfix;
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "domain %d", &domain_id))
-	;
-      else if (unformat (input, "src-port %d", &src_port))
-	;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-
-  if (fcm->src_port != 0 &&
-      (fcm->domain_id != domain_id || fcm->src_port != (u16) src_port))
-    {
-      int rv = vnet_stream_change (frm, fcm->domain_id, fcm->src_port,
-				   domain_id, (u16) src_port);
-      ASSERT (rv == 0);
-    }
-
-  fcm->domain_id = domain_id;
-  fcm->src_port = (u16) src_port;
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_ipfix_classify_stream_command, static) = {
-  .path = "set ipfix classify stream",
-  .short_help = "set ipfix classify stream"
-                "[domain <domain-id>] [src-port <src-port>]",
-  .function = set_ipfix_classify_stream_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-flow_report_classify_init (vlib_main_t * vm)
-{
-  clib_error_t *error;
-
-  if ((error = vlib_call_init_function (vm, flow_report_init)))
-    return error;
-
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (flow_report_classify_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */