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-rw-r--r--src/vnet/flow/flow_report_classify.c556
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:
- */