+++ /dev/null
-/*
- *------------------------------------------------------------------
- * flow_api.c - flow api
- *
- * Copyright (c) 2016 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/vnet.h>
-#include <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-
-#include <vnet/fib/fib_table.h>
-#include <vnet/flow/flow_report.h>
-#include <vnet/flow/flow_report_classify.h>
-
-#include <vnet/vnet_msg_enum.h>
-
-#define vl_typedefs /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_typedefs
-
-#define vl_endianfun /* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
-#undef vl_printfun
-
-#include <vlibapi/api_helper_macros.h>
-
-#define foreach_vpe_api_msg \
-_(SET_IPFIX_EXPORTER, set_ipfix_exporter) \
-_(IPFIX_EXPORTER_DUMP, ipfix_exporter_dump) \
-_(SET_IPFIX_CLASSIFY_STREAM, set_ipfix_classify_stream) \
-_(IPFIX_CLASSIFY_STREAM_DUMP, ipfix_classify_stream_dump) \
-_(IPFIX_CLASSIFY_TABLE_ADD_DEL, ipfix_classify_table_add_del) \
-_(IPFIX_CLASSIFY_TABLE_DUMP, ipfix_classify_table_dump)
-
-static void
-vl_api_set_ipfix_exporter_t_handler (vl_api_set_ipfix_exporter_t * mp)
-{
- vlib_main_t *vm = vlib_get_main ();
- flow_report_main_t *frm = &flow_report_main;
- vl_api_set_ipfix_exporter_reply_t *rmp;
- ip4_address_t collector, src;
- u16 collector_port = UDP_DST_PORT_ipfix;
- u32 path_mtu;
- u32 template_interval;
- u8 udp_checksum;
- u32 fib_id;
- u32 fib_index = ~0;
- int rv = 0;
-
- memcpy (collector.data, mp->collector_address, sizeof (collector.data));
- collector_port = ntohs (mp->collector_port);
- if (collector_port == (u16) ~ 0)
- collector_port = UDP_DST_PORT_ipfix;
- memcpy (src.data, mp->src_address, sizeof (src.data));
- fib_id = ntohl (mp->vrf_id);
-
- ip4_main_t *im = &ip4_main;
- if (fib_id == ~0)
- {
- fib_index = ~0;
- }
- else
- {
- uword *p = hash_get (im->fib_index_by_table_id, fib_id);
- if (!p)
- {
- rv = VNET_API_ERROR_NO_SUCH_FIB;
- goto out;
- }
- fib_index = p[0];
- }
-
- path_mtu = ntohl (mp->path_mtu);
- if (path_mtu == ~0)
- path_mtu = 512; // RFC 7011 section 10.3.3.
- template_interval = ntohl (mp->template_interval);
- if (template_interval == ~0)
- template_interval = 20;
- udp_checksum = mp->udp_checksum;
-
- if (collector.as_u32 == 0)
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto out;
- }
-
- if (src.as_u32 == 0)
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto out;
- }
-
- if (path_mtu > 1450 /* vpp does not support fragmentation */ )
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto out;
- }
-
- if (path_mtu < 68)
- {
- rv = VNET_API_ERROR_INVALID_VALUE;
- goto out;
- }
-
- /* Reset report streams if we are reconfiguring IP addresses */
- if (frm->ipfix_collector.as_u32 != collector.as_u32 ||
- frm->src_address.as_u32 != src.as_u32 ||
- frm->collector_port != collector_port)
- vnet_flow_reports_reset (frm);
-
- frm->ipfix_collector.as_u32 = collector.as_u32;
- frm->collector_port = collector_port;
- frm->src_address.as_u32 = src.as_u32;
- frm->fib_index = fib_index;
- frm->path_mtu = path_mtu;
- frm->template_interval = template_interval;
- frm->udp_checksum = udp_checksum;
-
- /* Turn on the flow reporting process */
- vlib_process_signal_event (vm, flow_report_process_node.index, 1, 0);
-
-out:
- REPLY_MACRO (VL_API_SET_IPFIX_EXPORTER_REPLY);
-}
-
-static void
-vl_api_ipfix_exporter_dump_t_handler (vl_api_ipfix_exporter_dump_t * mp)
-{
- flow_report_main_t *frm = &flow_report_main;
- vl_api_registration_t *reg;
- vl_api_ipfix_exporter_details_t *rmp;
- ip4_main_t *im = &ip4_main;
- u32 vrf_id;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_IPFIX_EXPORTER_DETAILS);
- rmp->context = mp->context;
- memcpy (rmp->collector_address, frm->ipfix_collector.data,
- sizeof (frm->ipfix_collector.data));
- rmp->collector_port = htons (frm->collector_port);
- memcpy (rmp->src_address, frm->src_address.data,
- sizeof (frm->src_address.data));
- if (frm->fib_index == ~0)
- vrf_id = ~0;
- else
- vrf_id = im->fibs[frm->fib_index].ft_table_id;
- rmp->vrf_id = htonl (vrf_id);
- rmp->path_mtu = htonl (frm->path_mtu);
- rmp->template_interval = htonl (frm->template_interval);
- rmp->udp_checksum = (frm->udp_checksum != 0);
-
- vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
- vl_api_set_ipfix_classify_stream_t_handler
- (vl_api_set_ipfix_classify_stream_t * mp)
-{
- vl_api_set_ipfix_classify_stream_reply_t *rmp;
- flow_report_classify_main_t *fcm = &flow_report_classify_main;
- flow_report_main_t *frm = &flow_report_main;
- u32 domain_id = 0;
- u32 src_port = UDP_DST_PORT_ipfix;
- int rv = 0;
-
- domain_id = ntohl (mp->domain_id);
- src_port = ntohs (mp->src_port);
-
- 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;
-
- REPLY_MACRO (VL_API_SET_IPFIX_CLASSIFY_STREAM_REPLY);
-}
-
-static void
- vl_api_ipfix_classify_stream_dump_t_handler
- (vl_api_ipfix_classify_stream_dump_t * mp)
-{
- flow_report_classify_main_t *fcm = &flow_report_classify_main;
- vl_api_registration_t *reg;
- vl_api_ipfix_classify_stream_details_t *rmp;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;
-
- rmp = vl_msg_api_alloc (sizeof (*rmp));
- memset (rmp, 0, sizeof (*rmp));
- rmp->_vl_msg_id = ntohs (VL_API_IPFIX_CLASSIFY_STREAM_DETAILS);
- rmp->context = mp->context;
- rmp->domain_id = htonl (fcm->domain_id);
- rmp->src_port = htons (fcm->src_port);
-
- vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
- vl_api_ipfix_classify_table_add_del_t_handler
- (vl_api_ipfix_classify_table_add_del_t * mp)
-{
- vl_api_ipfix_classify_table_add_del_reply_t *rmp;
- 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 is_add;
- u32 classify_table_index;
- u8 ip_version;
- u8 transport_protocol;
- int rv = 0;
-
- classify_table_index = ntohl (mp->table_id);
- ip_version = mp->ip_version;
- transport_protocol = mp->transport_protocol;
- is_add = mp->is_add;
-
- if (fcm->src_port == 0)
- {
- /* call set_ipfix_classify_stream first */
- rv = VNET_API_ERROR_UNSPECIFIED;
- goto out;
- }
-
- memset (&args, 0, sizeof (args));
-
- 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)
- {
- rv = VNET_API_ERROR_VALUE_EXIST;
- goto out;
- }
- table = ipfix_classify_add_table ();
- table->classify_table_index = classify_table_index;
- }
- else
- {
- if (!table)
- {
- rv = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto out;
- }
- }
-
- 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);
-
- /* If deleting, or add failed */
- if (is_add == 0 || (rv && is_add))
- ipfix_classify_delete_table (table - fcm->tables);
-
-out:
- REPLY_MACRO (VL_API_SET_IPFIX_CLASSIFY_STREAM_REPLY);
-}
-
-static void
-send_ipfix_classify_table_details (u32 table_index,
- vl_api_registration_t * reg, u32 context)
-{
- flow_report_classify_main_t *fcm = &flow_report_classify_main;
- vl_api_ipfix_classify_table_details_t *mp;
-
- ipfix_classify_table_t *table = &fcm->tables[table_index];
-
- mp = vl_msg_api_alloc (sizeof (*mp));
- memset (mp, 0, sizeof (*mp));
- mp->_vl_msg_id = ntohs (VL_API_IPFIX_CLASSIFY_TABLE_DETAILS);
- mp->context = context;
- mp->table_id = htonl (table->classify_table_index);
- mp->ip_version = table->ip_version;
- mp->transport_protocol = table->transport_protocol;
-
- vl_api_send_msg (reg, (u8 *) mp);
-}
-
-static void
- vl_api_ipfix_classify_table_dump_t_handler
- (vl_api_ipfix_classify_table_dump_t * mp)
-{
- flow_report_classify_main_t *fcm = &flow_report_classify_main;
- vl_api_registration_t *reg;
- u32 i;
-
- reg = vl_api_client_index_to_registration (mp->client_index);
- if (!reg)
- return;
-
- for (i = 0; i < vec_len (fcm->tables); i++)
- if (ipfix_classify_table_index_valid (i))
- send_ipfix_classify_table_details (i, reg, mp->context);
-}
-
-/*
- * flow_api_hookup
- * Add vpe's API message handlers to the table.
- * vlib has alread mapped shared memory and
- * added the client registration handlers.
- * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
- */
-#define vl_msg_name_crc_list
-#include <vnet/vnet_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (api_main_t * am)
-{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
- foreach_vl_msg_name_crc_flow;
-#undef _
-}
-
-static clib_error_t *
-flow_api_hookup (vlib_main_t * vm)
-{
- api_main_t *am = &api_main;
-
-#define _(N,n) \
- vl_msg_api_set_handlers(VL_API_##N, #n, \
- vl_api_##n##_t_handler, \
- vl_noop_handler, \
- vl_api_##n##_t_endian, \
- vl_api_##n##_t_print, \
- sizeof(vl_api_##n##_t), 1);
- foreach_vpe_api_msg;
-#undef _
-
- /*
- * Set up the (msg_name, crc, message-id) table
- */
- setup_message_id_table (am);
-
- return 0;
-}
-
-VLIB_API_INIT_FUNCTION (flow_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff