M: John Lo <loj@cisco.com>
F: src/vnet/vxlan/
-Plugin - flowperpkt
-M: Dave Barach <dave@barachs.net>
-F: src/plugins/flowperpkt/
-F: src/plugins/flowperpkt.am
+Plugin - flowprobe
+M: Ole Troan <otroan@employees.org>
+F: src/plugins/flowprobe/
+F: src/plugins/flowprobe.am
Plugin - SIXRD
M: Ole Troan <ot@cisco.com>
- @subpage lldp_doc
- @subpage map_doc
- @subpage dpdk_crypto_ipsec_doc
-- @subpage flowperpkt_plugin_doc
+- @subpage flowprobe_plugin_doc
- @subpage qos_doc
- @subpage span_doc
- @subpage srv6_doc
# Please keep alphabetical order
PLUGIN_ENABLED(acl)
PLUGIN_ENABLED(dpdk)
-PLUGIN_ENABLED(flowperpkt)
+PLUGIN_ENABLED(flowprobe)
PLUGIN_ENABLED(gtpu)
PLUGIN_ENABLED(ila)
PLUGIN_ENABLED(ioam)
include dpdk.am
endif
-if ENABLE_FLOWPERPKT_PLUGIN
-include flowperpkt.am
+if ENABLE_FLOWPROBE_PLUGIN
+include flowprobe.am
endif
+++ /dev/null
-/*
- * flowperpkt.c - per-packet data capture flow report plugin
- *
- * Copyright (c) <current-year> <your-organization>
- * 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.
- */
-
-/**
- * @file
- * @brief Per-packet IPFIX flow record generator plugin
- *
- * This file implements vpp plugin registration mechanics,
- * debug CLI, and binary API handling.
- */
-
-#include <vnet/vnet.h>
-#include <vpp/app/version.h>
-#include <vnet/plugin/plugin.h>
-#include <flowperpkt/flowperpkt.h>
-
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-#include <vlibsocket/api.h>
-
-/* define message IDs */
-#include <flowperpkt/flowperpkt_msg_enum.h>
-
-/* define message structures */
-#define vl_typedefs
-#include <flowperpkt/flowperpkt_all_api_h.h>
-#undef vl_typedefs
-
-/* define generated endian-swappers */
-#define vl_endianfun
-#include <flowperpkt/flowperpkt_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 <flowperpkt/flowperpkt_all_api_h.h>
-#undef vl_printfun
-
-flowperpkt_main_t flowperpkt_main;
-
-/* Get the API version number */
-#define vl_api_version(n,v) static u32 api_version=(v);
-#include <flowperpkt/flowperpkt_all_api_h.h>
-#undef vl_api_version
-
-#define REPLY_MSG_ID_BASE fm->msg_id_base
-#include <vlibapi/api_helper_macros.h>
-
-/* Define the per-interface configurable features */
-/* *INDENT-OFF* */
-VNET_FEATURE_INIT (flow_perpacket_ipv4, static) =
-{
- .arc_name = "ip4-output",
- .node_name = "flowperpkt-ipv4",
- .runs_before = VNET_FEATURES ("interface-output"),
-};
-
-VNET_FEATURE_INIT (flow_perpacket_l2, static) =
-{
- .arc_name = "interface-output",
- .node_name = "flowperpkt-l2",
- .runs_before = VNET_FEATURES ("interface-tx"),
-};
-/* *INDENT-ON* */
-
-/* Macro to finish up custom dump fns */
-#define FINISH \
- vec_add1 (s, 0); \
- vl_print (handle, (char *)s); \
- vec_free (s); \
- return handle;
-
-/**
- * @brief Create an IPFIX template packet rewrite string
- * @param frm flow_report_main_t *
- * @param fr flow_report_t *
- * @param collector_address ip4_address_t * the IPFIX collector address
- * @param src_address ip4_address_t * the source address we should use
- * @param collector_port u16 the collector port we should use, host byte order
- * @returns u8 * vector containing the indicated IPFIX template packet
- */
-static inline u8 *
-flowperpkt_template_rewrite_inline (flow_report_main_t * frm,
- flow_report_t * fr,
- ip4_address_t * collector_address,
- ip4_address_t * src_address,
- u16 collector_port, int variant)
-{
- ip4_header_t *ip;
- 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;
- flow_report_stream_t *stream;
- flowperpkt_main_t *fm = &flowperpkt_main;
-
- stream = &frm->streams[fr->stream_index];
-
- if (variant == FLOW_VARIANT_IPV4)
- {
- /*
- * ip4 Supported Fields:
- *
- * ingressInterface, TLV type 10, u32
- * egressInterface, TLV type 14, u32
- * sourceIpv4Address, TLV type 8, u32
- * destinationIPv4Address, TLV type 12, u32
- * ipClassOfService, TLV type 5, u8
- * flowStartNanoseconds, TLV type 156, dateTimeNanoseconds (f64)
- * Implementation: f64 nanoseconds since VPP started
- * warning: wireshark doesn't really understand this TLV
- * dataLinkFrameSize, TLV type 312, u16
- * warning: wireshark doesn't understand this TLV at all
- */
-
- /* Currently 7 fields */
- field_count += 7;
-
- /* 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);
- }
- else if (variant == FLOW_VARIANT_L2)
- {
- /*
- * L2 Supported Fields:
- *
- * ingressInterface, TLV type 10, u32
- * egressInterface, TLV type 14, u32
- * sourceMacAddress, TLV type 56, u8[6] we hope
- * destinationMacAddress, TLV type 57, u8[6] we hope
- * ethernetType, TLV type 256, u16
- * flowStartNanoseconds, TLV type 156, dateTimeNanoseconds (f64)
- * Implementation: f64 nanoseconds since VPP started
- * warning: wireshark doesn't really understand this TLV
- * dataLinkFrameSize, TLV type 312, u16
- * warning: wireshark doesn't understand this TLV at all
- */
-
- /* Currently 7 fields */
- field_count += 7;
-
- /* 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);
-
- /* Add TLVs to the template */
- if (variant == FLOW_VARIANT_IPV4)
- {
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , ingressInterface,
- 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , egressInterface,
- 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , sourceIPv4Address,
- 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , destinationIPv4Address, 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , ipClassOfService,
- 1);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , flowStartNanoseconds,
- 8);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , dataLinkFrameSize,
- 2);
- f++;
- }
- else if (variant == FLOW_VARIANT_L2)
- {
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , ingressInterface,
- 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , egressInterface,
- 4);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , sourceMacAddress,
- 6);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , destinationMacAddress, 6);
- f++;
- f->e_id_length = ipfix_e_id_length (0 /* enterprise */ , ethernetType,
- 2);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , flowStartNanoseconds,
- 8);
- f++;
- f->e_id_length =
- ipfix_e_id_length (0 /* enterprise */ , dataLinkFrameSize,
- 2);
- f++;
- }
-
- /* Extend in the obvious way, right here... */
-
- /* 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);
-
- if (variant == FLOW_VARIANT_IPV4)
- fm->ipv4_report_id = fr->template_id;
- else if (variant == FLOW_VARIANT_L2)
- fm->l2_report_id = fr->template_id;
-
- /* 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;
-}
-
-u8 *
-flowperpkt_template_rewrite_ipv4 (flow_report_main_t * frm,
- flow_report_t * fr,
- ip4_address_t * collector_address,
- ip4_address_t * src_address,
- u16 collector_port)
-{
- return flowperpkt_template_rewrite_inline
- (frm, fr, collector_address, src_address, collector_port,
- FLOW_VARIANT_IPV4);
-}
-
-u8 *
-flowperpkt_template_rewrite_l2 (flow_report_main_t * frm,
- flow_report_t * fr,
- ip4_address_t * collector_address,
- ip4_address_t * src_address,
- u16 collector_port)
-{
- return flowperpkt_template_rewrite_inline
- (frm, fr, collector_address, src_address, collector_port,
- FLOW_VARIANT_L2);
-}
-
-
-/**
- * @brief Flush accumulated data
- * @param frm flow_report_main_t *
- * @param fr flow_report_t *
- * @param f vlib_frame_t *
- *
- * <em>Notes:</em>
- * This function must simply return the incoming frame, or no template packets
- * will be sent.
- */
-vlib_frame_t *
-flowperpkt_data_callback_ipv4 (flow_report_main_t * frm,
- flow_report_t * fr,
- vlib_frame_t * f, u32 * to_next,
- u32 node_index)
-{
- flowperpkt_flush_callback_ipv4 ();
- return f;
-}
-
-vlib_frame_t *
-flowperpkt_data_callback_l2 (flow_report_main_t * frm,
- flow_report_t * fr,
- vlib_frame_t * f, u32 * to_next, u32 node_index)
-{
- flowperpkt_flush_callback_l2 ();
- return f;
-}
-
-/**
- * @brief configure / deconfigure the IPFIX flow-per-packet
- * @param fm flowperpkt_main_t * fm
- * @param sw_if_index u32 the desired interface
- * @param is_add int 1 to enable the feature, 0 to disable it
- * @returns 0 if successful, non-zero otherwise
- */
-
-static int flowperpkt_tx_interface_add_del_feature
- (flowperpkt_main_t * fm, u32 sw_if_index, int which, int is_add)
-{
- flow_report_main_t *frm = &flow_report_main;
- vnet_flow_report_add_del_args_t _a, *a = &_a;
- int rv;
-
- if (which == FLOW_VARIANT_IPV4 && !fm->ipv4_report_created)
- {
- memset (a, 0, sizeof (*a));
- a->rewrite_callback = flowperpkt_template_rewrite_ipv4;
- a->flow_data_callback = flowperpkt_data_callback_ipv4;
- a->is_add = 1;
- a->domain_id = 1; /*$$$$ config parameter */
- a->src_port = 4739; /*$$$$ config parameter */
- fm->ipv4_report_created = 1;
-
- rv = vnet_flow_report_add_del (frm, a);
- if (rv)
- {
- clib_warning ("vnet_flow_report_add_del returned %d", rv);
- return -1;
- }
- }
- else if (which == FLOW_VARIANT_L2 && !fm->l2_report_created)
- {
- memset (a, 0, sizeof (*a));
- a->rewrite_callback = flowperpkt_template_rewrite_l2;
- a->flow_data_callback = flowperpkt_data_callback_l2;
- a->is_add = 1;
- a->domain_id = 1; /*$$$$ config parameter */
- a->src_port = 4739; /*$$$$ config parameter */
- fm->l2_report_created = 1;
-
- rv = vnet_flow_report_add_del (frm, a);
- if (rv)
- {
- clib_warning ("vnet_flow_report_add_del returned %d", rv);
- return -1;
- }
- }
-
- if (which == FLOW_VARIANT_IPV4)
- vnet_feature_enable_disable ("ip4-output", "flowperpkt-ipv4",
- sw_if_index, is_add, 0, 0);
- else if (which == FLOW_VARIANT_L2)
- vnet_feature_enable_disable ("interface-output", "flowperpkt-l2",
- sw_if_index, is_add, 0, 0);
-
- return 0;
-}
-
-/**
- * @brief API message handler
- * @param mp vl_api_flowperpkt_tx_interface_add_del_t * mp the api message
- */
-void vl_api_flowperpkt_tx_interface_add_del_t_handler
- (vl_api_flowperpkt_tx_interface_add_del_t * mp)
-{
- flowperpkt_main_t *fm = &flowperpkt_main;
- vl_api_flowperpkt_tx_interface_add_del_reply_t *rmp;
- u32 sw_if_index = ntohl (mp->sw_if_index);
- int rv = 0;
-
- VALIDATE_SW_IF_INDEX (mp);
-
- if (mp->which != FLOW_VARIANT_IPV4 && mp->which != FLOW_VARIANT_L2)
- {
- rv = VNET_API_ERROR_UNIMPLEMENTED;
- goto out;
- }
-
- rv = flowperpkt_tx_interface_add_del_feature (fm, sw_if_index, mp->which,
- mp->is_add);
-out:
- BAD_SW_IF_INDEX_LABEL;
-
- REPLY_MACRO (VL_API_FLOWPERPKT_TX_INTERFACE_ADD_DEL_REPLY);
-}
-
-/**
- * @brief API message custom-dump function
- * @param mp vl_api_flowperpkt_tx_interface_add_del_t * mp the api message
- * @param handle void * print function handle
- * @returns u8 * output string
- */
-static void *vl_api_flowperpkt_tx_interface_add_del_t_print
- (vl_api_flowperpkt_tx_interface_add_del_t * mp, void *handle)
-{
- u8 *s;
-
- s = format (0, "SCRIPT: flowperpkt_tx_interface_add_del ");
- s = format (s, "sw_if_index %d is_add %d which %d ",
- clib_host_to_net_u32 (mp->sw_if_index),
- (int) mp->is_add, (int) mp->which);
- FINISH;
-}
-
-/* List of message types that this plugin understands */
-#define foreach_flowperpkt_plugin_api_msg \
-_(FLOWPERPKT_TX_INTERFACE_ADD_DEL, flowperpkt_tx_interface_add_del)
-
-/* *INDENT-OFF* */
-VLIB_PLUGIN_REGISTER () = {
- .version = VPP_BUILD_VER,
- .description = "Flow per Packet",
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-flowperpkt_tx_interface_add_del_feature_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- flowperpkt_main_t *fm = &flowperpkt_main;
- u32 sw_if_index = ~0;
- int is_add = 1;
- u8 which = FLOW_VARIANT_IPV4;
-
- int rv;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "disable"))
- is_add = 0;
- else if (unformat (input, "%U", unformat_vnet_sw_interface,
- fm->vnet_main, &sw_if_index));
- else if (unformat (input, "l2"))
- which = FLOW_VARIANT_L2;
- else
- break;
- }
-
- if (sw_if_index == ~0)
- return clib_error_return (0, "Please specify an interface...");
-
- rv =
- flowperpkt_tx_interface_add_del_feature (fm, sw_if_index, which, is_add);
- switch (rv)
- {
- case 0:
- break;
-
- case VNET_API_ERROR_INVALID_SW_IF_INDEX:
- return clib_error_return
- (0, "Invalid interface, only works on physical ports");
- break;
-
- case VNET_API_ERROR_UNIMPLEMENTED:
- return clib_error_return (0, "ip6 not supported");
- break;
-
- default:
- return clib_error_return (0, "flowperpkt_enable_disable returned %d",
- rv);
- }
- return 0;
-}
-
-/*?
- * '<em>flowperpkt feature add-del</em>' commands to enable/disable
- * per-packet IPFIX flow record generation on an interface
- *
- * @cliexpar
- * @parblock
- * To enable per-packet IPFIX flow-record generation on an interface:
- * @cliexcmd{flowperpkt feature add-del GigabitEthernet2/0/0}
- *
- * To disable per-packet IPFIX flow-record generation on an interface:
- * @cliexcmd{flowperpkt feature add-del GigabitEthernet2/0/0 disable}
- * @cliexend
- * @endparblock
-?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (flowperpkt_enable_disable_command, static) = {
- .path = "flowperpkt feature add-del",
- .short_help =
- "flowperpkt feature add-del <interface-name> [disable]",
- .function = flowperpkt_tx_interface_add_del_feature_command_fn,
-};
-/* *INDENT-ON* */
-
-/**
- * @brief Set up the API message handling tables
- * @param vm vlib_main_t * vlib main data structure pointer
- * @returns 0 to indicate all is well
- */
-static clib_error_t *
-flowperpkt_plugin_api_hookup (vlib_main_t * vm)
-{
- flowperpkt_main_t *fm = &flowperpkt_main;
-#define _(N,n) \
- vl_msg_api_set_handlers((VL_API_##N + fm->msg_id_base), \
- #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_flowperpkt_plugin_api_msg;
-#undef _
-
- return 0;
-}
-
-#define vl_msg_name_crc_list
-#include <flowperpkt/flowperpkt_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (flowperpkt_main_t * fm, api_main_t * am)
-{
-#define _(id,n,crc) \
- vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + fm->msg_id_base);
- foreach_vl_msg_name_crc_flowperpkt;
-#undef _
-}
-
-/**
- * @brief Set up the API message handling tables
- * @param vm vlib_main_t * vlib main data structure pointer
- * @returns 0 to indicate all is well, or a clib_error_t
- */
-static clib_error_t *
-flowperpkt_init (vlib_main_t * vm)
-{
- flowperpkt_main_t *fm = &flowperpkt_main;
- vlib_thread_main_t *tm = &vlib_thread_main;
- clib_error_t *error = 0;
- u32 num_threads;
- u8 *name;
-
- fm->vnet_main = vnet_get_main ();
-
- /* Construct the API name */
- name = format (0, "flowperpkt_%08x%c", api_version, 0);
-
- /* Ask for a correctly-sized block of API message decode slots */
- fm->msg_id_base = vl_msg_api_get_msg_ids
- ((char *) name, VL_MSG_FIRST_AVAILABLE);
-
- /* Hook up message handlers */
- error = flowperpkt_plugin_api_hookup (vm);
-
- /* Add our API messages to the global name_crc hash table */
- setup_message_id_table (fm, &api_main);
-
- vec_free (name);
-
- /* Decide how many worker threads we have */
- num_threads = 1 /* main thread */ + tm->n_threads;
-
- /* Allocate per worker thread vectors */
- vec_validate (fm->ipv4_buffers_per_worker, num_threads - 1);
- vec_validate (fm->l2_buffers_per_worker, num_threads - 1);
- vec_validate (fm->ipv4_frames_per_worker, num_threads - 1);
- vec_validate (fm->l2_frames_per_worker, num_threads - 1);
- vec_validate (fm->ipv4_next_record_offset_per_worker, num_threads - 1);
- vec_validate (fm->l2_next_record_offset_per_worker, num_threads - 1);
-
- /* Set up time reference pair */
- fm->vlib_time_0 = vlib_time_now (vm);
- fm->nanosecond_time_0 = unix_time_now_nsec ();
-
- return error;
-}
-
-VLIB_INIT_FUNCTION (flowperpkt_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * flowperpkt.h - skeleton vpp engine plug-in header file
- *
- * Copyright (c) <current-year> <your-organization>
- * 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.
- */
-#ifndef __included_flowperpkt_h__
-#define __included_flowperpkt_h__
-
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/error.h>
-#include <vnet/flow/flow_report.h>
-#include <vnet/flow/flow_report_classify.h>
-
-/**
- * @file
- * @brief flow-per-packet plugin header file
- */
-typedef struct
-{
- /** API message ID base */
- u16 msg_id_base;
-
- /** Have the reports [templates] been created? */
- int ipv4_report_created;
- int l2_report_created;
-
- /** stream/template IDs */
- u16 ipv4_report_id;
- u16 l2_report_id;
-
- /** ipfix buffers under construction, per-worker thread */
- vlib_buffer_t **ipv4_buffers_per_worker;
- vlib_buffer_t **l2_buffers_per_worker;
-
- /** frames containing ipfix buffers, per-worker thread */
- vlib_frame_t **ipv4_frames_per_worker;
- vlib_frame_t **l2_frames_per_worker;
-
- /** next record offset, per worker thread */
- u16 *ipv4_next_record_offset_per_worker;
- u16 *l2_next_record_offset_per_worker;
-
- /** Time reference pair */
- u64 nanosecond_time_0;
- f64 vlib_time_0;
-
- /** convenience vlib_main_t pointer */
- vlib_main_t *vlib_main;
- /** convenience vnet_main_t pointer */
- vnet_main_t *vnet_main;
-} flowperpkt_main_t;
-
-typedef enum
-{
- FLOW_VARIANT_IPV4,
- FLOW_VARIANT_L2,
- FLOW_N_VARIANTS,
-} flowperpkt_variant_t;
-
-extern flowperpkt_main_t flowperpkt_main;
-
-extern vlib_node_registration_t flowperpkt_ipv4_node;
-
-void flowperpkt_flush_callback_ipv4 (void);
-void flowperpkt_flush_callback_l2 (void);
-
-#endif /* __included_flowperpkt_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-Per-packet IPFIX flow record plugin {#flowperpkt_plugin_doc}
-===================================
-
-## Introduction
-
-This plugin generates one ipfix record entry per packet transmitted
-on interfaces which have the feature enabled
-
-## Sample configuration
-
-set ipfix exporter collector 192.168.6.2 src 192.168.6.1 template-interval 20 port 4739 path-mtu 1500
-
-flowperpkt feature add-del GigabitEthernet2/3/0
+++ /dev/null
-/*
- * l2_node.c - l2 ipfix-per-packet graph node
- *
- * Copyright (c) <current-year> <your-organization>
- * 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 <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-#include <flowperpkt/flowperpkt.h>
-
-/**
- * @file l2 flow record generator graph node
- */
-
-typedef struct
-{
- /** interface handle */
- u32 rx_sw_if_index;
- u32 tx_sw_if_index;
- /** src and dst L2 addresses */
- u8 src_mac[6];
- u8 dst_mac[6];
- /** Ethertype */
- u16 ethertype;
- /** packet timestamp */
- u64 timestamp;
- /** size of the buffer */
- u16 buffer_size;
-} flowperpkt_l2_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_flowperpkt_l2_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- flowperpkt_l2_trace_t *t = va_arg (*args, flowperpkt_l2_trace_t *);
-
- s = format (s,
- "FLOWPERPKT-L2: rx_sw_if_index %d, tx_sw_if_index %d, src %U dst %U ethertype %0x2, timestamp %lld, size %d",
- t->rx_sw_if_index, t->tx_sw_if_index,
- format_ethernet_address, &t->src_mac,
- format_ethernet_address, &t->dst_mac,
- t->ethertype, t->timestamp, t->buffer_size);
- return s;
-}
-
-vlib_node_registration_t flowperpkt_l2_node;
-
-/* No counters at the moment */
-#define foreach_flowperpkt_l2_error
-
-typedef enum
-{
-#define _(sym,str) FLOWPERPKT_ERROR_##sym,
- foreach_flowperpkt_l2_error
-#undef _
- FLOWPERPKT_N_ERROR,
-} flowperpkt_l2_error_t;
-
-static char *flowperpkt_l2_error_strings[] = {
-#define _(sym,string) string,
- foreach_flowperpkt_l2_error
-#undef _
-};
-
-typedef enum
-{
- FLOWPERPKT_L2_NEXT_DROP,
- FLOWPERPKT_L2_NEXT_IP4_LOOKUP,
- FLOWPERPKT_L2_N_NEXT,
-} flowperpkt_l2_next_t;
-
-/**
- * @brief add an entry to the flow record under construction
- * @param vm vlib_main_t * current worker thread main structure pointer
- * @param fm flowperpkt_main_t * flow-per-packet main structure pointer
- * @param sw_if_index u32 interface handle
- * @param tos u8 ToS bits from the packet
- * @param timestamp u64 timestamp, nanoseconds since 1/1/70
- * @param length u16 ip length of the packet
- * @param do_flush int 1 = flush all cached records, 0 = construct a record
- */
-
-static inline void
-add_to_flow_record_l2 (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- flowperpkt_main_t * fm,
- u32 rx_sw_if_index, u32 tx_sw_if_index,
- u8 * src_mac, u8 * dst_mac,
- u16 ethertype, u64 timestamp, u16 length, int do_flush)
-{
- u32 my_thread_index = vm->thread_index;
- flow_report_main_t *frm = &flow_report_main;
- ip4_header_t *ip;
- udp_header_t *udp;
- ip4_ipfix_template_packet_t *tp;
- ipfix_message_header_t *h;
- ipfix_set_header_t *s;
- vlib_frame_t *f;
- vlib_buffer_t *b0;
- u16 offset;
- u32 bi0;
- vlib_buffer_free_list_t *fl;
-
- /* Find or allocate a buffer */
- b0 = fm->l2_buffers_per_worker[my_thread_index];
-
- /* Need to allocate a buffer? */
- if (PREDICT_FALSE (b0 == 0))
- {
- /* Nothing to flush */
- if (do_flush)
- return;
-
- /* $$$$ drop counter? */
- if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
- return;
-
- /* Initialize the buffer */
- b0 = fm->l2_buffers_per_worker[my_thread_index] =
- vlib_get_buffer (vm, bi0);
- fl =
- vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
- vlib_buffer_init_for_free_list (b0, fl);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- offset = 0;
- }
- else
- {
- /* use the current buffer */
- bi0 = vlib_get_buffer_index (vm, b0);
- offset = fm->l2_next_record_offset_per_worker[my_thread_index];
- }
-
- /* Find or allocate a frame */
- f = fm->l2_frames_per_worker[my_thread_index];
- if (PREDICT_FALSE (f == 0))
- {
- u32 *to_next;
- f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
- fm->l2_frames_per_worker[my_thread_index] = f;
-
- /* Enqueue the buffer */
- to_next = vlib_frame_vector_args (f);
- to_next[0] = bi0;
- f->n_vectors = 1;
- }
-
- /* Fresh packet, construct header */
- if (PREDICT_FALSE (offset == 0))
- {
- flow_report_stream_t *stream;
-
- stream = &frm->streams[0];
-
- b0->current_data = 0;
- b0->current_length = sizeof (*ip) + sizeof (*udp) + sizeof (*h) +
- sizeof (*s);
- b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_FLOW_REPORT);
- 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);
-
- ip->ip_version_and_header_length = 0x45;
- ip->ttl = 254;
- ip->protocol = IP_PROTOCOL_UDP;
- ip->flags_and_fragment_offset = 0;
- ip->src_address.as_u32 = frm->src_address.as_u32;
- ip->dst_address.as_u32 = frm->ipfix_collector.as_u32;
- udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
- udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
- udp->checksum = 0;
-
- /* 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);
- h->domain_id = clib_host_to_net_u32 (stream->domain_id);
-
- /* FIXUP: message header sequence_number */
- h->sequence_number = stream->sequence_number++;
- h->sequence_number = clib_host_to_net_u32 (h->sequence_number);
-
- offset = (u32) (((u8 *) (s + 1)) - (u8 *) tp);
- }
-
- /* Add data, unless we're flushing stale data */
- if (PREDICT_TRUE (do_flush == 0))
- {
-
- /* Add data */
- /* Ingress interface */
- {
- u32 ingress_interface = clib_host_to_net_u32 (rx_sw_if_index);
- clib_memcpy (b0->data + offset, &ingress_interface,
- sizeof (ingress_interface));
- offset += sizeof (ingress_interface);
- }
- /* Egress interface */
- {
- u32 egress_interface = clib_host_to_net_u32 (tx_sw_if_index);
- clib_memcpy (b0->data + offset, &egress_interface,
- sizeof (egress_interface));
- offset += sizeof (egress_interface);
- }
- /* src mac address */
- {
- clib_memcpy (b0->data + offset, src_mac, 6);
- offset += 6;
- }
- /* dst mac address */
- {
- clib_memcpy (b0->data + offset, dst_mac, 6);
- offset += 6;
- }
-
- /* ethertype */
- b0->data[offset++] = ethertype >> 8;
- b0->data[offset++] = ethertype & 0xFF;
-
- /* Timestamp */
- clib_memcpy (b0->data + offset, ×tamp, sizeof (f64));
- offset += sizeof (f64);
-
- /* pkt size */
- {
- u16 pkt_size = clib_host_to_net_u16 (length);
- clib_memcpy (b0->data + offset, &pkt_size, sizeof (pkt_size));
- offset += sizeof (pkt_size);
- }
-
- b0->current_length +=
- /* 2*sw_if_index + 2*mac + ethertype + timestamp + length = 32 */
- 2 * sizeof (u32) + 12 + sizeof (u16) + sizeof (f64) + sizeof (u16);
-
- }
- /* Time to flush the buffer? */
- if (PREDICT_FALSE
- (do_flush || (offset + 2 * sizeof (u32) + 12 + sizeof (u16) +
- +sizeof (f64) + sizeof (u16)) > frm->path_mtu))
- {
- 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);
-
- s->set_id_length = ipfix_set_id_length (fm->l2_report_id,
- b0->current_length -
- (sizeof (*ip) + sizeof (*udp) +
- sizeof (*h)));
- h->version_length = version_length (b0->current_length -
- (sizeof (*ip) + sizeof (*udp)));
-
- ip->length = clib_host_to_net_u16 (b0->current_length);
-
- ip->checksum = ip4_header_checksum (ip);
- 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));
-
- if (PREDICT_FALSE (vlib_get_trace_count (vm, node) > 0))
- {
- vlib_trace_buffer (vm, node, FLOWPERPKT_L2_NEXT_IP4_LOOKUP, b0,
- 0 /* follow chain */ );
- flowperpkt_l2_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- memset (t, 0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t->buffer_size = b0->current_length;
- }
-
- vlib_put_frame_to_node (vm, ip4_lookup_node.index,
- fm->l2_frames_per_worker[my_thread_index]);
- fm->l2_frames_per_worker[my_thread_index] = 0;
- fm->l2_buffers_per_worker[my_thread_index] = 0;
- offset = 0;
- }
-
- fm->l2_next_record_offset_per_worker[my_thread_index] = offset;
-}
-
-void
-flowperpkt_flush_callback_l2 (void)
-{
- vlib_main_t *vm = vlib_get_main ();
- flowperpkt_main_t *fm = &flowperpkt_main;
- vlib_node_runtime_t *node;
- node = vlib_node_get_runtime (vm, flowperpkt_l2_node.index);
-
- add_to_flow_record_l2 (vm, node, fm, 0 /* rx_sw_if_index */ ,
- 0 /* tx_sw_if_index */ ,
- 0 /* src mac */ ,
- 0 /* dst mac */ ,
- 0 /* ethertype */ ,
- 0ULL /* timestamp */ ,
- 0 /* length */ ,
- 1 /* do_flush */ );
-}
-
-
-static uword
-flowperpkt_l2_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- u32 n_left_from, *from, *to_next;
- flowperpkt_l2_next_t next_index;
- flowperpkt_main_t *fm = &flowperpkt_main;
- u64 now;
-
- now = (u64) ((vlib_time_now (vm) - fm->vlib_time_0) * 1e9);
- now += fm->nanosecond_time_0;
-
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 next0 = FLOWPERPKT_L2_NEXT_DROP;
- u32 next1 = FLOWPERPKT_L2_NEXT_DROP;
- ethernet_header_t *eh0, *eh1;
- u16 len0, len1;
- u32 bi0, bi1;
- vlib_buffer_t *b0, *b1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t *p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- to_next[0] = bi0 = from[0];
- to_next[1] = bi1 = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
- &next0, b0);
- vnet_feature_next (vnet_buffer (b1)->sw_if_index[VLIB_TX],
- &next1, b1);
-
- eh0 = vlib_buffer_get_current (b0);
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_l2 (vm, node, fm,
- vnet_buffer (b0)->sw_if_index[VLIB_RX],
- vnet_buffer (b0)->sw_if_index[VLIB_TX],
- eh0->src_address,
- eh0->dst_address,
- eh0->type, now, len0, 0 /* flush */ );
-
- eh1 = vlib_buffer_get_current (b0);
- len1 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE ((b1->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_l2 (vm, node, fm,
- vnet_buffer (b1)->sw_if_index[VLIB_RX],
- vnet_buffer (b1)->sw_if_index[VLIB_TX],
- eh1->src_address,
- eh1->dst_address,
- eh1->type, now, len1, 0 /* flush */ );
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- flowperpkt_l2_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- clib_memcpy (t->src_mac, eh0->src_address, 6);
- clib_memcpy (t->dst_mac, eh0->dst_address, 6);
- t->ethertype = clib_net_to_host_u16 (eh0->type);
- t->timestamp = now;
- t->buffer_size = len0;
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- flowperpkt_l2_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_TX];
- clib_memcpy (t->src_mac, eh1->src_address, 6);
- clib_memcpy (t->dst_mac, eh1->dst_address, 6);
- t->ethertype = clib_net_to_host_u16 (eh1->type);
- t->timestamp = now;
- t->buffer_size = len1;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t *b0;
- u32 next0 = FLOWPERPKT_L2_NEXT_DROP;
- ethernet_header_t *eh0;
- u16 len0;
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
- &next0, b0);
-
- eh0 = vlib_buffer_get_current (b0);
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_l2 (vm, node, fm,
- vnet_buffer (b0)->sw_if_index[VLIB_RX],
- vnet_buffer (b0)->sw_if_index[VLIB_TX],
- eh0->src_address,
- eh0->dst_address,
- eh0->type, now, len0, 0 /* flush */ );
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- flowperpkt_l2_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- clib_memcpy (t->src_mac, eh0->src_address, 6);
- clib_memcpy (t->dst_mac, eh0->dst_address, 6);
- t->ethertype = clib_net_to_host_u16 (eh0->type);
- t->timestamp = now;
- t->buffer_size = len0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
- return frame->n_vectors;
-}
-
-/**
- * @brief IPFIX l2 flow-per-packet graph node
- * @node flowperpkt-l2
- *
- * This is the IPFIX flow-record-per-packet node.
- *
- * @param vm vlib_main_t corresponding to the current thread.
- * @param node vlib_node_runtime_t data for this node.
- * @param frame vlib_frame_t whose contents should be dispatched.
- *
- * @par Graph mechanics: buffer metadata, next index usage
- *
- * <em>Uses:</em>
- * - <code>vnet_buffer(b)->ip.save_rewrite_length</code>
- * - tells the node the length of the rewrite which was applied in
- * ip4/6_rewrite_inline, allows the code to find the IP header without
- * having to parse L2 headers, or make stupid assumptions about their
- * length.
- * - <code>vnet_buffer(b)->flags & VLIB_BUFFER_FLOW_REPORT</code>
- * - Used to suppress flow record generation for flow record packets.
- *
- * <em>Sets:</em>
- * - <code>vnet_buffer(b)->flags & VLIB_BUFFER_FLOW_REPORT</code>
- * - To suppress flow record generation for flow record packets
- *
- * <em>Next Index:</em>
- * - Next configured output feature on the interface, usually
- * "interface-output." Generated flow records head for ip4-lookup
- */
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (flowperpkt_l2_node) = {
- .function = flowperpkt_l2_node_fn,
- .name = "flowperpkt-l2",
- .vector_size = sizeof (u32),
- .format_trace = format_flowperpkt_l2_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(flowperpkt_l2_error_strings),
- .error_strings = flowperpkt_l2_error_strings,
-
- .n_next_nodes = FLOWPERPKT_L2_N_NEXT,
-
- /* edit / add dispositions here */
- .next_nodes = {
- [FLOWPERPKT_L2_NEXT_DROP] = "error-drop",
- [FLOWPERPKT_L2_NEXT_IP4_LOOKUP] = "ip4-lookup",
- },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * node.c - ipv4 ipfix-per-packet graph node
- *
- * Copyright (c) <current-year> <your-organization>
- * 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 <vnet/pg/pg.h>
-#include <vppinfra/error.h>
-#include <flowperpkt/flowperpkt.h>
-
-/**
- * @file ipv4 flow record generator graph node
- */
-
-typedef struct
-{
- /** interface handle */
- u32 rx_sw_if_index;
- u32 tx_sw_if_index;
- u32 src_address;
- u32 dst_address;
- /** ToS bits */
- u8 tos;
- /** packet timestamp */
- u64 timestamp;
- /** size of the buffer */
- u16 buffer_size;
-} flowperpkt_ipv4_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_flowperpkt_ipv4_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- flowperpkt_ipv4_trace_t *t = va_arg (*args, flowperpkt_ipv4_trace_t *);
-
- s = format (s,
- "FLOWPERPKT-V4: rx_sw_if_index %d, tx_sw_if_index %d, src %U dst %U tos %0x2, timestamp %lld, size %d",
- t->rx_sw_if_index, t->tx_sw_if_index,
- format_ip4_address, &t->src_address,
- format_ip4_address, &t->dst_address,
- t->tos, t->timestamp, t->buffer_size);
- return s;
-}
-
-vlib_node_registration_t flowperpkt_ipv4_node;
-
-/* No counters at the moment */
-#define foreach_flowperpkt_ipv4_error
-
-typedef enum
-{
-#define _(sym,str) FLOWPERPKT_ERROR_##sym,
- foreach_flowperpkt_ipv4_error
-#undef _
- FLOWPERPKT_N_ERROR,
-} flowperpkt_ipv4_error_t;
-
-static char *flowperpkt_ipv4_error_strings[] = {
-#define _(sym,string) string,
- foreach_flowperpkt_ipv4_error
-#undef _
-};
-
-typedef enum
-{
- FLOWPERPKT_IPV4_NEXT_DROP,
- FLOWPERPKT_IPV4_NEXT_LOOKUP,
- FLOWPERPKT_IPV4_N_NEXT,
-} flowperpkt_ipv4_next_t;
-
-/**
- * @brief add an entry to the flow record under construction
- * @param vm vlib_main_t * current worker thread main structure pointer
- * @param fm flowperpkt_main_t * flow-per-packet main structure pointer
- * @param sw_if_index u32 interface handle
- * @param tos u8 ToS bits from the packet
- * @param timestamp u64 timestamp, nanoseconds since 1/1/70
- * @param length u16 ip length of the packet
- * @param do_flush int 1 = flush all cached records, 0 = construct a record
- */
-
-static inline void
-add_to_flow_record_ipv4 (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- flowperpkt_main_t * fm,
- u32 rx_sw_if_index, u32 tx_sw_if_index,
- u32 src_address, u32 dst_address,
- u8 tos, u64 timestamp, u16 length, int do_flush)
-{
- u32 my_thread_index = vm->thread_index;
- flow_report_main_t *frm = &flow_report_main;
- ip4_header_t *ip;
- udp_header_t *udp;
- ip4_ipfix_template_packet_t *tp;
- ipfix_message_header_t *h;
- ipfix_set_header_t *s;
- vlib_frame_t *f;
- vlib_buffer_t *b0;
- u16 offset;
- u32 bi0;
- vlib_buffer_free_list_t *fl;
-
- /* Find or allocate a buffer */
- b0 = fm->ipv4_buffers_per_worker[my_thread_index];
-
- /* Need to allocate a buffer? */
- if (PREDICT_FALSE (b0 == 0))
- {
- /* Nothing to flush */
- if (do_flush)
- return;
-
- /* $$$$ drop counter? */
- if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
- return;
-
- /* Initialize the buffer */
- b0 = fm->ipv4_buffers_per_worker[my_thread_index] =
- vlib_get_buffer (vm, bi0);
- fl =
- vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
- vlib_buffer_init_for_free_list (b0, fl);
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- offset = 0;
- }
- else
- {
- /* use the current buffer */
- bi0 = vlib_get_buffer_index (vm, b0);
- offset = fm->ipv4_next_record_offset_per_worker[my_thread_index];
- }
-
- /* Find or allocate a frame */
- f = fm->ipv4_frames_per_worker[my_thread_index];
- if (PREDICT_FALSE (f == 0))
- {
- u32 *to_next;
- f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
- fm->ipv4_frames_per_worker[my_thread_index] = f;
-
- /* Enqueue the buffer */
- to_next = vlib_frame_vector_args (f);
- to_next[0] = bi0;
- f->n_vectors = 1;
- }
-
- /* Fresh packet, construct header */
- if (PREDICT_FALSE (offset == 0))
- {
- flow_report_stream_t *stream;
-
- stream = &frm->streams[0];
-
- b0->current_data = 0;
- b0->current_length = sizeof (*ip) + sizeof (*udp) + sizeof (*h) +
- sizeof (*s);
- b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_FLOW_REPORT);
- 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);
-
- ip->ip_version_and_header_length = 0x45;
- ip->ttl = 254;
- ip->protocol = IP_PROTOCOL_UDP;
- ip->flags_and_fragment_offset = 0;
- ip->src_address.as_u32 = frm->src_address.as_u32;
- ip->dst_address.as_u32 = frm->ipfix_collector.as_u32;
- udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
- udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
- udp->checksum = 0;
-
- /* 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);
- h->domain_id = clib_host_to_net_u32 (stream->domain_id);
-
- /* FIXUP: message header sequence_number */
- h->sequence_number = stream->sequence_number++;
- h->sequence_number = clib_host_to_net_u32 (h->sequence_number);
-
- offset = (u32) (((u8 *) (s + 1)) - (u8 *) tp);
- }
-
- /* Add data, unless we're flushing stale data */
- if (PREDICT_TRUE (do_flush == 0))
- {
-
- /* Add data */
- /* Ingress interface */
- {
- u32 ingress_interface = clib_host_to_net_u32 (rx_sw_if_index);
- clib_memcpy (b0->data + offset, &ingress_interface,
- sizeof (ingress_interface));
- offset += sizeof (ingress_interface);
- }
- /* Egress interface */
- {
- u32 egress_interface = clib_host_to_net_u32 (tx_sw_if_index);
- clib_memcpy (b0->data + offset, &egress_interface,
- sizeof (egress_interface));
- offset += sizeof (egress_interface);
- }
- /* ip4 src address */
- {
- clib_memcpy (b0->data + offset, &src_address, sizeof (src_address));
- offset += sizeof (src_address);
- }
- /* ip4 dst address */
- {
- clib_memcpy (b0->data + offset, &dst_address, sizeof (dst_address));
- offset += sizeof (dst_address);
- }
-
- /* ToS */
- b0->data[offset++] = tos;
-
- /* Timestamp */
- clib_memcpy (b0->data + offset, ×tamp, sizeof (f64));
- offset += sizeof (f64);
-
- /* pkt size */
- {
- u16 pkt_size = clib_host_to_net_u16 (length);
- clib_memcpy (b0->data + offset, &pkt_size, sizeof (pkt_size));
- offset += sizeof (pkt_size);
- }
-
- b0->current_length +=
- /* sw_if_index + tos + timestamp + length = 15 */
- 4 * sizeof (u32) + sizeof (u8) + sizeof (f64) + sizeof (u16);
-
- }
- /* Time to flush the buffer? */
- if (PREDICT_FALSE
- (do_flush || (offset + 4 * sizeof (u32) + sizeof (u8)
- + sizeof (f64) + sizeof (u16)) > frm->path_mtu))
- {
- 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);
-
- s->set_id_length = ipfix_set_id_length (fm->ipv4_report_id,
- b0->current_length -
- (sizeof (*ip) + sizeof (*udp) +
- sizeof (*h)));
- h->version_length = version_length (b0->current_length -
- (sizeof (*ip) + sizeof (*udp)));
-
- ip->length = clib_host_to_net_u16 (b0->current_length);
-
- ip->checksum = ip4_header_checksum (ip);
- 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));
-
- if (PREDICT_FALSE (vlib_get_trace_count (vm, node) > 0))
- {
- vlib_trace_buffer (vm, node, FLOWPERPKT_IPV4_NEXT_LOOKUP, b0,
- 0 /* follow chain */ );
- flowperpkt_ipv4_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t->src_address = 0;
- t->dst_address = 0;
- t->tos = 0;
- t->timestamp = 0;
- t->buffer_size = b0->current_length;
- }
-
- vlib_put_frame_to_node (vm, ip4_lookup_node.index,
- fm->ipv4_frames_per_worker[my_thread_index]);
- fm->ipv4_frames_per_worker[my_thread_index] = 0;
- fm->ipv4_buffers_per_worker[my_thread_index] = 0;
- offset = 0;
- }
-
- fm->ipv4_next_record_offset_per_worker[my_thread_index] = offset;
-}
-
-void
-flowperpkt_flush_callback_ipv4 (void)
-{
- vlib_main_t *vm = vlib_get_main ();
- flowperpkt_main_t *fm = &flowperpkt_main;
- vlib_node_runtime_t *node;
- node = vlib_node_get_runtime (vm, flowperpkt_ipv4_node.index);
-
- add_to_flow_record_ipv4 (vm, node, fm, 0 /* rx_sw_if_index */ ,
- 0 /* tx_sw_if_index */ ,
- 0 /* src_address */ ,
- 0 /* dst_address */ ,
- 0 /* ToS */ ,
- 0ULL /* timestamp */ ,
- 0 /* length */ ,
- 1 /* do_flush */ );
-}
-
-
-static uword
-flowperpkt_ipv4_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
-{
- u32 n_left_from, *from, *to_next;
- flowperpkt_ipv4_next_t next_index;
- flowperpkt_main_t *fm = &flowperpkt_main;
- u64 now;
-
- now = (u64) ((vlib_time_now (vm) - fm->vlib_time_0) * 1e9);
- now += fm->nanosecond_time_0;
-
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 next0 = FLOWPERPKT_IPV4_NEXT_DROP;
- u32 next1 = FLOWPERPKT_IPV4_NEXT_DROP;
- ip4_header_t *ip0, *ip1;
- u16 len0, len1;
- u32 bi0, bi1;
- vlib_buffer_t *b0, *b1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t *p2, *p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- to_next[0] = bi0 = from[0];
- to_next[1] = bi1 = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
- &next0, b0);
- vnet_feature_next (vnet_buffer (b1)->sw_if_index[VLIB_TX],
- &next1, b1);
-
- ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) +
- vnet_buffer (b0)->ip.save_rewrite_length);
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_ipv4 (vm, node, fm,
- vnet_buffer (b0)->sw_if_index[VLIB_RX],
- vnet_buffer (b0)->sw_if_index[VLIB_TX],
- ip0->src_address.as_u32,
- ip0->dst_address.as_u32,
- ip0->tos, now, len0, 0 /* flush */ );
-
- ip1 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b1) +
- vnet_buffer (b1)->ip.save_rewrite_length);
- len1 = vlib_buffer_length_in_chain (vm, b1);
-
- if (PREDICT_TRUE ((b1->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_ipv4 (vm, node, fm,
- vnet_buffer (b1)->sw_if_index[VLIB_RX],
- vnet_buffer (b1)->sw_if_index[VLIB_TX],
- ip1->src_address.as_u32,
- ip1->dst_address.as_u32,
- ip1->tos, now, len1, 0 /* flush */ );
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- flowperpkt_ipv4_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t->src_address = ip0->src_address.as_u32;
- t->dst_address = ip0->dst_address.as_u32;
- t->tos = ip0->tos;
- t->timestamp = now;
- t->buffer_size = len0;
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- flowperpkt_ipv4_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b1)->sw_if_index[VLIB_TX];
- t->src_address = ip1->src_address.as_u32;
- t->dst_address = ip1->dst_address.as_u32;
- t->tos = ip1->tos;
- t->timestamp = now;
- t->buffer_size = len1;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0;
- vlib_buffer_t *b0;
- u32 next0 = FLOWPERPKT_IPV4_NEXT_DROP;
- ip4_header_t *ip0;
- u16 len0;
-
- /* speculatively enqueue b0 to the current next frame */
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer (vm, bi0);
-
- vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
- &next0, b0);
-
- ip0 = (ip4_header_t *) ((u8 *) vlib_buffer_get_current (b0) +
- vnet_buffer (b0)->ip.save_rewrite_length);
- /*
- * egressInterface, TLV type 14, u32
- * ipClassOfService, TLV type 5, u8
- * flowStartNanoseconds, TLV type 156, dateTimeNanoseconds (f64)
- * Implementation: f64 nanoseconds since VPP started
- * dataLinkFrameSize, TLV type 312, u16
- */
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
- add_to_flow_record_ipv4 (vm, node, fm,
- vnet_buffer (b0)->sw_if_index[VLIB_RX],
- vnet_buffer (b0)->sw_if_index[VLIB_TX],
- ip0->src_address.as_u32,
- ip0->dst_address.as_u32,
- ip0->tos, now, len0, 0 /* flush */ );
-
- if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- flowperpkt_ipv4_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->rx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_RX];
- t->tx_sw_if_index = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- t->src_address = ip0->src_address.as_u32;
- t->dst_address = ip0->dst_address.as_u32;
- t->tos = ip0->tos;
- t->timestamp = now;
- t->buffer_size = len0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
-
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
- return frame->n_vectors;
-}
-
-/**
- * @brief IPFIX ipv4 flow-per-packet graph node
- * @node flowperpkt-ipv4
- *
- * This is the IPFIX flow-record-per-packet node.
- *
- * @param vm vlib_main_t corresponding to the current thread.
- * @param node vlib_node_runtime_t data for this node.
- * @param frame vlib_frame_t whose contents should be dispatched.
- *
- * @par Graph mechanics: buffer metadata, next index usage
- *
- * <em>Uses:</em>
- * - <code>vnet_buffer(b)->ip.save_rewrite_length</code>
- * - tells the node the length of the rewrite which was applied in
- * ip4/6_rewrite_inline, allows the code to find the IP header without
- * having to parse L2 headers, or make stupid assumptions about their
- * length.
- * - <code>vnet_buffer(b)->flags & VLIB_BUFFER_FLOW_REPORT</code>
- * - Used to suppress flow record generation for flow record packets.
- *
- * <em>Sets:</em>
- * - <code>vnet_buffer(b)->flags & VLIB_BUFFER_FLOW_REPORT</code>
- * - To suppress flow record generation for flow record packets
- *
- * <em>Next Index:</em>
- * - Next configured output feature on the interface, usually
- * "interface-output." Generated flow records head for ip4-lookup
- */
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (flowperpkt_ipv4_node) = {
- .function = flowperpkt_ipv4_node_fn,
- .name = "flowperpkt-ipv4",
- .vector_size = sizeof (u32),
- .format_trace = format_flowperpkt_ipv4_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(flowperpkt_ipv4_error_strings),
- .error_strings = flowperpkt_ipv4_error_strings,
-
- .n_next_nodes = FLOWPERPKT_IPV4_N_NEXT,
-
- /* edit / add dispositions here */
- .next_nodes = {
- [FLOWPERPKT_IPV4_NEXT_DROP] = "error-drop",
- /* Used only to trace ipfix data packets */
- [FLOWPERPKT_IPV4_NEXT_LOOKUP] = "ip4-lookup",
- },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
# See the License for the specific language governing permissions and
# limitations under the License.
-vppplugins_LTLIBRARIES += flowperpkt_plugin.la
-vppapitestplugins_LTLIBRARIES += flowperpkt_test_plugin.la
+vppplugins_LTLIBRARIES += flowprobe_plugin.la
+vppapitestplugins_LTLIBRARIES += flowprobe_test_plugin.la
-flowperpkt_plugin_la_SOURCES = flowperpkt/flowperpkt.c \
- flowperpkt/l2_node.c \
- flowperpkt/node.c \
- flowperpkt/flowperpkt_plugin.api.h
+flowprobe_plugin_la_SOURCES = flowprobe/flowprobe.c \
+ flowprobe/node.c \
+ flowprobe/flowprobe_plugin.api.h
BUILT_SOURCES += \
- flowperpkt/flowperpkt.api.h \
- flowperpkt/flowperpkt.api.json
+ flowprobe/flowprobe.api.h \
+ flowprobe/flowprobe.api.json
noinst_HEADERS += \
- flowperpkt/flowperpkt_all_api_h.h \
- flowperpkt/flowperpkt_msg_enum.h \
- flowperpkt/flowperpkt.api.h
+ flowprobe/flowprobe_all_api_h.h \
+ flowprobe/flowprobe_msg_enum.h \
+ flowprobe/flowprobe.api.h
-flowperpkt_test_plugin_la_SOURCES = \
- flowperpkt/flowperpkt_test.c \
- flowperpkt/flowperpkt_plugin.api.h
+flowprobe_test_plugin_la_SOURCES = \
+ flowprobe/flowprobe_test.c \
+ flowprobe/flowprobe_plugin.api.h
-API_FILES += flowperpkt/flowperpkt.api
+API_FILES += flowprobe/flowprobe.api
# vi:syntax=automake
/** \file
This file defines the vpp control-plane API messages
- used to control the flowperpkt plugin
+ used to control the flowprobe plugin
*/
/** \brief Enable / disable per-packet IPFIX recording on an interface
@param is_ipv6 - if non-zero the address is ipv6, else ipv4
@param sw_if_index - index of the interface
*/
-autoreply manual_print define flowperpkt_tx_interface_add_del
+autoreply manual_print define flowprobe_tx_interface_add_del
{
/* Client identifier, set from api_main.my_client_index */
u32 client_index;
u32 sw_if_index;
};
-autoreply define flowperpkt_params
+autoreply define flowprobe_params
{
u32 client_index;
u32 context;
--- /dev/null
+/*
+ * flowprobe.c - ipfix probe plugin
+ *
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief Per-packet IPFIX flow record generator plugin
+ *
+ * This file implements vpp plugin registration mechanics,
+ * debug CLI, and binary API handling.
+ */
+
+#include <vnet/vnet.h>
+#include <vpp/app/version.h>
+#include <vnet/plugin/plugin.h>
+#include <flowprobe/flowprobe.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vlibsocket/api.h>
+
+/* define message IDs */
+#include <flowprobe/flowprobe_msg_enum.h>
+
+/* define message structures */
+#define vl_typedefs
+#include <flowprobe/flowprobe_all_api_h.h>
+#undef vl_typedefs
+
+/* define generated endian-swappers */
+#define vl_endianfun
+#include <flowprobe/flowprobe_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 <flowprobe/flowprobe_all_api_h.h>
+#undef vl_printfun
+
+flowprobe_main_t flowprobe_main;
+vlib_node_registration_t flowprobe_walker_node;
+static vlib_node_registration_t flowprobe_timer_node;
+uword flowprobe_walker_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f);
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <flowprobe/flowprobe_all_api_h.h>
+#undef vl_api_version
+
+#define REPLY_MSG_ID_BASE fm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+/* Define the per-interface configurable features */
+/* *INDENT-OFF* */
+VNET_FEATURE_INIT (flow_perpacket_ip4, static) =
+{
+ .arc_name = "ip4-output",
+ .node_name = "flowprobe-ip4",
+ .runs_before = VNET_FEATURES ("interface-output"),
+};
+
+VNET_FEATURE_INIT (flow_perpacket_ip6, static) =
+{
+ .arc_name = "ip6-output",
+ .node_name = "flowprobe-ip6",
+ .runs_before = VNET_FEATURES ("interface-output"),
+};
+
+VNET_FEATURE_INIT (flow_perpacket_l2, static) =
+{
+ .arc_name = "interface-output",
+ .node_name = "flowprobe-l2",
+ .runs_before = VNET_FEATURES ("interface-tx"),
+};
+/* *INDENT-ON* */
+
+/* Macro to finish up custom dump fns */
+#define FINISH \
+ vec_add1 (s, 0); \
+ vl_print (handle, (char *)s); \
+ vec_free (s); \
+ return handle;
+
+static inline ipfix_field_specifier_t *
+flowprobe_template_ip4_fields (ipfix_field_specifier_t * f)
+{
+#define flowprobe_template_ip4_field_count() 4
+ /* sourceIpv4Address, TLV type 8, u32 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ sourceIPv4Address, 4);
+ f++;
+ /* destinationIPv4Address, TLV type 12, u32 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ destinationIPv4Address, 4);
+ f++;
+ /* protocolIdentifier, TLV type 4, u8 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ protocolIdentifier, 1);
+ f++;
+ /* octetDeltaCount, TLV type 1, u64 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ octetDeltaCount, 8);
+ f++;
+ return f;
+}
+
+static inline ipfix_field_specifier_t *
+flowprobe_template_ip6_fields (ipfix_field_specifier_t * f)
+{
+#define flowprobe_template_ip6_field_count() 4
+ /* sourceIpv6Address, TLV type 27, 16 octets */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ sourceIPv6Address, 16);
+ f++;
+ /* destinationIPv6Address, TLV type 28, 16 octets */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ destinationIPv6Address, 16);
+ f++;
+ /* protocolIdentifier, TLV type 4, u8 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ protocolIdentifier, 1);
+ f++;
+ /* octetDeltaCount, TLV type 1, u64 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ octetDeltaCount, 8);
+ f++;
+ return f;
+}
+
+static inline ipfix_field_specifier_t *
+flowprobe_template_l2_fields (ipfix_field_specifier_t * f)
+{
+#define flowprobe_template_l2_field_count() 3
+ /* sourceMacAddress, TLV type 56, u8[6] we hope */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ sourceMacAddress, 6);
+ f++;
+ /* destinationMacAddress, TLV type 80, u8[6] we hope */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ destinationMacAddress, 6);
+ f++;
+ /* ethernetType, TLV type 256, u16 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ ethernetType, 2);
+ f++;
+ return f;
+}
+
+static inline ipfix_field_specifier_t *
+flowprobe_template_common_fields (ipfix_field_specifier_t * f)
+{
+#define flowprobe_template_common_field_count() 3
+ /* ingressInterface, TLV type 10, u32 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ ingressInterface, 4);
+ f++;
+
+ /* egressInterface, TLV type 14, u32 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ egressInterface, 4);
+ f++;
+
+ /* packetDeltaCount, TLV type 2, u64 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ packetDeltaCount, 8);
+ f++;
+
+ return f;
+}
+
+static inline ipfix_field_specifier_t *
+flowprobe_template_l4_fields (ipfix_field_specifier_t * f)
+{
+#define flowprobe_template_l4_field_count() 2
+ /* sourceTransportPort, TLV type 7, u16 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ sourceTransportPort, 2);
+ f++;
+ /* destinationTransportPort, TLV type 11, u16 */
+ f->e_id_length = ipfix_e_id_length (0 /* enterprise */ ,
+ destinationTransportPort, 2);
+ f++;
+ return f;
+}
+
+/**
+ * @brief Create an IPFIX template packet rewrite string
+ * @param frm flow_report_main_t *
+ * @param fr flow_report_t *
+ * @param collector_address ip4_address_t * the IPFIX collector address
+ * @param src_address ip4_address_t * the source address we should use
+ * @param collector_port u16 the collector port we should use, host byte order
+ * @returns u8 * vector containing the indicated IPFIX template packet
+ */
+static inline u8 *
+flowprobe_template_rewrite_inline (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port,
+ flowprobe_variant_t which)
+{
+ ip4_header_t *ip;
+ 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;
+ flow_report_stream_t *stream;
+ flowprobe_main_t *fm = &flowprobe_main;
+ flowprobe_record_t flags = fr->opaque.as_uword;
+ bool collect_ip4 = false, collect_ip6 = false;
+
+ stream = &frm->streams[fr->stream_index];
+
+ if (flags & FLOW_RECORD_L3)
+ {
+ collect_ip4 = which == FLOW_VARIANT_L2_IP4 || which == FLOW_VARIANT_IP4;
+ collect_ip6 = which == FLOW_VARIANT_L2_IP6 || which == FLOW_VARIANT_IP6;
+ if (which == FLOW_VARIANT_L2_IP4)
+ flags |= FLOW_RECORD_L2_IP4;
+ if (which == FLOW_VARIANT_L2_IP6)
+ flags |= FLOW_RECORD_L2_IP6;
+ }
+
+ field_count += flowprobe_template_common_field_count ();
+ if (flags & FLOW_RECORD_L2)
+ field_count += flowprobe_template_l2_field_count ();
+ if (collect_ip4)
+ field_count += flowprobe_template_ip4_field_count ();
+ if (collect_ip6)
+ field_count += flowprobe_template_ip6_field_count ();
+ if (flags & FLOW_RECORD_L4)
+ field_count += flowprobe_template_l4_field_count ();
+
+ /* 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);
+
+ /* Add TLVs to the template */
+ f = flowprobe_template_common_fields (f);
+
+ if (flags & FLOW_RECORD_L2)
+ f = flowprobe_template_l2_fields (f);
+ if (collect_ip4)
+ f = flowprobe_template_ip4_fields (f);
+ if (collect_ip6)
+ f = flowprobe_template_ip6_fields (f);
+ if (flags & FLOW_RECORD_L4)
+ f = flowprobe_template_l4_fields (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);
+
+ fm->template_size[flags] = (u8 *) f - (u8 *) s;
+
+ /* 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;
+}
+
+static u8 *
+flowprobe_template_rewrite_ip6 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port)
+{
+ return flowprobe_template_rewrite_inline
+ (frm, fr, collector_address, src_address, collector_port,
+ FLOW_VARIANT_IP6);
+}
+
+static u8 *
+flowprobe_template_rewrite_ip4 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port)
+{
+ return flowprobe_template_rewrite_inline
+ (frm, fr, collector_address, src_address, collector_port,
+ FLOW_VARIANT_IP4);
+}
+
+static u8 *
+flowprobe_template_rewrite_l2 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port)
+{
+ return flowprobe_template_rewrite_inline
+ (frm, fr, collector_address, src_address, collector_port,
+ FLOW_VARIANT_L2);
+}
+
+static u8 *
+flowprobe_template_rewrite_l2_ip4 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port)
+{
+ return flowprobe_template_rewrite_inline
+ (frm, fr, collector_address, src_address, collector_port,
+ FLOW_VARIANT_L2_IP4);
+}
+
+static u8 *
+flowprobe_template_rewrite_l2_ip6 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ ip4_address_t * collector_address,
+ ip4_address_t * src_address,
+ u16 collector_port)
+{
+ return flowprobe_template_rewrite_inline
+ (frm, fr, collector_address, src_address, collector_port,
+ FLOW_VARIANT_L2_IP6);
+}
+
+/**
+ * @brief Flush accumulated data
+ * @param frm flow_report_main_t *
+ * @param fr flow_report_t *
+ * @param f vlib_frame_t *
+ *
+ * <em>Notes:</em>
+ * This function must simply return the incoming frame, or no template packets
+ * will be sent.
+ */
+vlib_frame_t *
+flowprobe_data_callback_ip4 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f, u32 * to_next, u32 node_index)
+{
+ flowprobe_flush_callback_ip4 ();
+ return f;
+}
+
+vlib_frame_t *
+flowprobe_data_callback_ip6 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f, u32 * to_next, u32 node_index)
+{
+ flowprobe_flush_callback_ip6 ();
+ return f;
+}
+
+vlib_frame_t *
+flowprobe_data_callback_l2 (flow_report_main_t * frm,
+ flow_report_t * fr,
+ vlib_frame_t * f, u32 * to_next, u32 node_index)
+{
+ flowprobe_flush_callback_l2 ();
+ return f;
+}
+
+static int
+flowprobe_template_add_del (u32 domain_id, u16 src_port,
+ flowprobe_record_t flags,
+ vnet_flow_data_callback_t * flow_data_callback,
+ vnet_flow_rewrite_callback_t * rewrite_callback,
+ bool is_add, u16 * template_id)
+{
+ flow_report_main_t *frm = &flow_report_main;
+ vnet_flow_report_add_del_args_t a = {
+ .rewrite_callback = rewrite_callback,
+ .flow_data_callback = flow_data_callback,
+ .is_add = is_add,
+ .domain_id = domain_id,
+ .src_port = src_port,
+ .opaque.as_uword = flags,
+ };
+ return vnet_flow_report_add_del (frm, &a, template_id);
+}
+
+static void
+flowprobe_expired_timer_callback (u32 * expired_timers)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ flowprobe_main_t *fm = &flowprobe_main;
+ u32 my_cpu_number = vm->thread_index;
+ int i;
+ u32 poolindex;
+
+ for (i = 0; i < vec_len (expired_timers); i++)
+ {
+ poolindex = expired_timers[i] & 0x7FFFFFFF;
+ vec_add1 (fm->expired_passive_per_worker[my_cpu_number], poolindex);
+ }
+}
+
+static clib_error_t *
+flowprobe_create_state_tables (u32 active_timer)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ vlib_thread_main_t *tm = &vlib_thread_main;
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error = 0;
+ u32 num_threads;
+ int i;
+
+ /* Decide how many worker threads we have */
+ num_threads = 1 /* main thread */ + tm->n_threads;
+
+ /* Hash table per worker */
+ fm->ht_log2len = FLOWPROBE_LOG2_HASHSIZE;
+
+ /* Init per worker flow state and timer wheels */
+ if (active_timer)
+ {
+ vec_validate (fm->timers_per_worker, num_threads - 1);
+ vec_validate (fm->expired_passive_per_worker, num_threads - 1);
+ vec_validate (fm->hash_per_worker, num_threads - 1);
+ vec_validate (fm->pool_per_worker, num_threads - 1);
+
+ for (i = 0; i < num_threads; i++)
+ {
+ int j;
+ pool_alloc (fm->pool_per_worker[i], 1 << fm->ht_log2len);
+ vec_resize (fm->hash_per_worker[i], 1 << fm->ht_log2len);
+ for (j = 0; j < (1 << fm->ht_log2len); j++)
+ fm->hash_per_worker[i][j] = ~0;
+ fm->timers_per_worker[i] =
+ clib_mem_alloc (sizeof (TWT (tw_timer_wheel)));
+ tw_timer_wheel_init_2t_1w_2048sl (fm->timers_per_worker[i],
+ flowprobe_expired_timer_callback,
+ 1.0, 1024);
+ }
+ fm->disabled = true;
+ }
+ else
+ {
+ f64 now = vlib_time_now (vm);
+ vec_validate (fm->stateless_entry, num_threads - 1);
+ for (i = 0; i < num_threads; i++)
+ fm->stateless_entry[i].last_exported = now;
+ fm->disabled = false;
+ }
+ fm->initialized = true;
+ return error;
+}
+
+static int
+validate_feature_on_interface (flowprobe_main_t * fm, u32 sw_if_index,
+ u8 which)
+{
+ vec_validate_init_empty (fm->flow_per_interface, sw_if_index, ~0);
+
+ if (fm->flow_per_interface[sw_if_index] == (u8) ~ 0)
+ return -1;
+ else if (fm->flow_per_interface[sw_if_index] != which)
+ return 0;
+ else
+ return 1;
+}
+
+/**
+ * @brief configure / deconfigure the IPFIX flow-per-packet
+ * @param fm flowprobe_main_t * fm
+ * @param sw_if_index u32 the desired interface
+ * @param is_add int 1 to enable the feature, 0 to disable it
+ * @returns 0 if successful, non-zero otherwise
+ */
+
+static int
+flowprobe_tx_interface_add_del_feature (flowprobe_main_t * fm,
+ u32 sw_if_index, u8 which, int is_add)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ int rv = 0;
+ u16 template_id = 0;
+ flowprobe_record_t flags = fm->record;
+
+ fm->flow_per_interface[sw_if_index] = (is_add) ? which : (u8) ~ 0;
+ fm->template_per_flow[which] += (is_add) ? 1 : -1;
+ if (is_add && fm->template_per_flow[which] > 1)
+ template_id = fm->template_reports[flags];
+
+ if ((is_add && fm->template_per_flow[which] == 1) ||
+ (!is_add && fm->template_per_flow[which] == 0))
+ {
+ if (which == FLOW_VARIANT_L2)
+ {
+ if (fm->record & FLOW_RECORD_L2)
+ {
+ rv = flowprobe_template_add_del (1, UDP_DST_PORT_ipfix, flags,
+ flowprobe_data_callback_l2,
+ flowprobe_template_rewrite_l2,
+ is_add, &template_id);
+ }
+ if (fm->record & FLOW_RECORD_L3 || fm->record & FLOW_RECORD_L4)
+ {
+ rv = flowprobe_template_add_del (1, UDP_DST_PORT_ipfix, flags,
+ flowprobe_data_callback_l2,
+ flowprobe_template_rewrite_l2_ip4,
+ is_add, &template_id);
+ fm->template_reports[flags | FLOW_RECORD_L2_IP4] =
+ (is_add) ? template_id : 0;
+ rv =
+ flowprobe_template_add_del (1, UDP_DST_PORT_ipfix, flags,
+ flowprobe_data_callback_l2,
+ flowprobe_template_rewrite_l2_ip6,
+ is_add, &template_id);
+ fm->template_reports[flags | FLOW_RECORD_L2_IP6] =
+ (is_add) ? template_id : 0;
+
+ /* Special case L2 */
+ fm->context[FLOW_VARIANT_L2_IP4].flags =
+ flags | FLOW_RECORD_L2_IP4;
+ fm->context[FLOW_VARIANT_L2_IP6].flags =
+ flags | FLOW_RECORD_L2_IP6;
+
+ fm->template_reports[flags] = template_id;
+ }
+ }
+ else if (which == FLOW_VARIANT_IP4)
+ rv = flowprobe_template_add_del (1, UDP_DST_PORT_ipfix, flags,
+ flowprobe_data_callback_ip4,
+ flowprobe_template_rewrite_ip4,
+ is_add, &template_id);
+ else if (which == FLOW_VARIANT_IP6)
+ rv = flowprobe_template_add_del (1, UDP_DST_PORT_ipfix, flags,
+ flowprobe_data_callback_ip6,
+ flowprobe_template_rewrite_ip6,
+ is_add, &template_id);
+ }
+ if (rv && rv != VNET_API_ERROR_VALUE_EXIST)
+ {
+ clib_warning ("vnet_flow_report_add_del returned %d", rv);
+ return -1;
+ }
+
+ if (which != (u8) ~ 0)
+ {
+ fm->context[which].flags = fm->record;
+ fm->template_reports[flags] = (is_add) ? template_id : 0;
+ }
+
+ if (which == FLOW_VARIANT_IP4)
+ vnet_feature_enable_disable ("ip4-output", "flowprobe-ip4",
+ sw_if_index, is_add, 0, 0);
+ else if (which == FLOW_VARIANT_IP6)
+ vnet_feature_enable_disable ("ip6-output", "flowprobe-ip6",
+ sw_if_index, is_add, 0, 0);
+ else if (which == FLOW_VARIANT_L2)
+ vnet_feature_enable_disable ("interface-output", "flowprobe-l2",
+ sw_if_index, is_add, 0, 0);
+
+ /* Stateful flow collection */
+ if (is_add && !fm->initialized)
+ {
+ flowprobe_create_state_tables (fm->active_timer);
+ if (fm->active_timer)
+ vlib_process_signal_event (vm, flowprobe_timer_node.index, 1, 0);
+ }
+
+ return 0;
+}
+
+/**
+ * @brief API message handler
+ * @param mp vl_api_flowprobe_tx_interface_add_del_t * mp the api message
+ */
+void vl_api_flowprobe_tx_interface_add_del_t_handler
+ (vl_api_flowprobe_tx_interface_add_del_t * mp)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ vl_api_flowprobe_tx_interface_add_del_reply_t *rmp;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ if (mp->which != FLOW_VARIANT_IP4 && mp->which != FLOW_VARIANT_L2
+ && mp->which != FLOW_VARIANT_IP6)
+ {
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+ goto out;
+ }
+
+ if (fm->record == 0)
+ {
+ clib_warning ("Please specify flowprobe params record first...");
+ rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
+ goto out;
+ }
+
+ rv = validate_feature_on_interface (fm, sw_if_index, mp->which);
+ if ((rv == 1 && mp->is_add == 1) || rv == 0)
+ {
+ rv = VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
+ goto out;
+ }
+
+ rv = flowprobe_tx_interface_add_del_feature
+ (fm, sw_if_index, mp->which, mp->is_add);
+
+out:
+ BAD_SW_IF_INDEX_LABEL;
+
+ REPLY_MACRO (VL_API_FLOWPROBE_TX_INTERFACE_ADD_DEL_REPLY);
+}
+
+/**
+ * @brief API message custom-dump function
+ * @param mp vl_api_flowprobe_tx_interface_add_del_t * mp the api message
+ * @param handle void * print function handle
+ * @returns u8 * output string
+ */
+static void *vl_api_flowprobe_tx_interface_add_del_t_print
+ (vl_api_flowprobe_tx_interface_add_del_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: flowprobe_tx_interface_add_del ");
+ s = format (s, "sw_if_index %d is_add %d which %d ",
+ clib_host_to_net_u32 (mp->sw_if_index),
+ (int) mp->is_add, (int) mp->which);
+ FINISH;
+}
+
+#define vec_neg_search(v,E) \
+({ \
+ word _v(i) = 0; \
+ while (_v(i) < vec_len(v) && v[_v(i)] == E) \
+ { \
+ _v(i)++; \
+ } \
+ if (_v(i) == vec_len(v)) \
+ _v(i) = ~0; \
+ _v(i); \
+})
+
+static int
+flowprobe_params (flowprobe_main_t * fm, u8 record_l2,
+ u8 record_l3, u8 record_l4,
+ u32 active_timer, u32 passive_timer)
+{
+ flowprobe_record_t flags = 0;
+
+ if (vec_neg_search (fm->flow_per_interface, (u8) ~ 0) != ~0)
+ return ~0;
+
+ if (record_l2)
+ flags |= FLOW_RECORD_L2;
+ if (record_l3)
+ flags |= FLOW_RECORD_L3;
+ if (record_l4)
+ flags |= FLOW_RECORD_L4;
+
+ fm->record = flags;
+
+ /*
+ * Timers: ~0 is default, 0 is off
+ */
+ fm->active_timer =
+ (active_timer == (u32) ~ 0 ? FLOWPROBE_TIMER_ACTIVE : active_timer);
+ fm->passive_timer =
+ (passive_timer == (u32) ~ 0 ? FLOWPROBE_TIMER_PASSIVE : passive_timer);
+
+ return 0;
+}
+
+void
+vl_api_flowprobe_params_t_handler (vl_api_flowprobe_params_t * mp)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ vl_api_flowprobe_params_reply_t *rmp;
+ int rv = 0;
+
+ rv = flowprobe_params
+ (fm, mp->record_l2, mp->record_l3, mp->record_l4,
+ clib_net_to_host_u32 (mp->active_timer),
+ clib_net_to_host_u32 (mp->passive_timer));
+
+ REPLY_MACRO (VL_API_FLOWPROBE_PARAMS_REPLY);
+}
+
+/* List of message types that this plugin understands */
+#define foreach_flowprobe_plugin_api_msg \
+_(FLOWPROBE_TX_INTERFACE_ADD_DEL, flowprobe_tx_interface_add_del) \
+_(FLOWPROBE_PARAMS, flowprobe_params)
+
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () = {
+ .version = VPP_BUILD_VER,
+ .description = "Flow per Packet",
+};
+/* *INDENT-ON* */
+
+u8 *
+format_flowprobe_entry (u8 * s, va_list * args)
+{
+ flowprobe_entry_t *e = va_arg (*args, flowprobe_entry_t *);
+ s = format (s, " %d/%d", e->key.rx_sw_if_index, e->key.tx_sw_if_index);
+
+ s = format (s, " %U %U", format_ethernet_address, &e->key.src_mac,
+ format_ethernet_address, &e->key.dst_mac);
+ s = format (s, " %U -> %U",
+ format_ip46_address, &e->key.src_address, IP46_TYPE_ANY,
+ format_ip46_address, &e->key.dst_address, IP46_TYPE_ANY);
+ s = format (s, " %d", e->key.protocol);
+ s = format (s, " %d %d\n", clib_net_to_host_u16 (e->key.src_port),
+ clib_net_to_host_u16 (e->key.dst_port));
+
+ return s;
+}
+
+static clib_error_t *
+flowprobe_show_table_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cm)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ int i;
+ flowprobe_entry_t *e;
+
+ vlib_cli_output (vm, "Dumping IPFIX table");
+
+ for (i = 0; i < vec_len (fm->pool_per_worker); i++)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (e, fm->pool_per_worker[i], (
+ {
+ vlib_cli_output (vm, "%U",
+ format_flowprobe_entry,
+ e);
+ }));
+ /* *INDENT-ON* */
+
+ }
+ return 0;
+}
+
+static clib_error_t *
+flowprobe_show_stats_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cm)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ int i;
+
+ vlib_cli_output (vm, "IPFIX table statistics");
+ vlib_cli_output (vm, "Flow entry size: %d\n", sizeof (flowprobe_entry_t));
+ vlib_cli_output (vm, "Flow pool size per thread: %d\n",
+ 0x1 << FLOWPROBE_LOG2_HASHSIZE);
+
+ for (i = 0; i < vec_len (fm->pool_per_worker); i++)
+ vlib_cli_output (vm, "Pool utilisation thread %d is %d%%\n", i,
+ (100 * pool_elts (fm->pool_per_worker[i])) /
+ (0x1 << FLOWPROBE_LOG2_HASHSIZE));
+ return 0;
+}
+
+static clib_error_t *
+flowprobe_tx_interface_add_del_feature_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ u32 sw_if_index = ~0;
+ int is_add = 1;
+ u8 which = FLOW_VARIANT_IP4;
+ int rv;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "disable"))
+ is_add = 0;
+ else if (unformat (input, "%U", unformat_vnet_sw_interface,
+ fm->vnet_main, &sw_if_index));
+ else if (unformat (input, "ip4"))
+ which = FLOW_VARIANT_IP4;
+ else if (unformat (input, "ip6"))
+ which = FLOW_VARIANT_IP6;
+ else if (unformat (input, "l2"))
+ which = FLOW_VARIANT_L2;
+ else
+ break;
+ }
+
+ if (fm->record == 0)
+ return clib_error_return (0,
+ "Please specify flowprobe params record first...");
+
+ if (sw_if_index == ~0)
+ return clib_error_return (0, "Please specify an interface...");
+
+ rv = validate_feature_on_interface (fm, sw_if_index, which);
+ if (rv == 1)
+ {
+ if (is_add)
+ return clib_error_return (0,
+ "Datapath is already enabled for given interface...");
+ }
+ else if (rv == 0)
+ return clib_error_return (0,
+ "Interface has enable different datapath ...");
+
+ rv =
+ flowprobe_tx_interface_add_del_feature (fm, sw_if_index, which, is_add);
+ switch (rv)
+ {
+ case 0:
+ break;
+
+ case VNET_API_ERROR_INVALID_SW_IF_INDEX:
+ return clib_error_return
+ (0, "Invalid interface, only works on physical ports");
+ break;
+
+ case VNET_API_ERROR_UNIMPLEMENTED:
+ return clib_error_return (0, "ip6 not supported");
+ break;
+
+ default:
+ return clib_error_return (0, "flowprobe_enable_disable returned %d",
+ rv);
+ }
+ return 0;
+}
+
+static clib_error_t *
+flowprobe_params_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ bool record_l2 = false, record_l3 = false, record_l4 = false;
+ u32 active_timer = ~0;
+ u32 passive_timer = ~0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "active %d", &active_timer))
+ ;
+ else if (unformat (input, "passive %d", &passive_timer))
+ ;
+ else if (unformat (input, "record"))
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "l2"))
+ record_l2 = true;
+ else if (unformat (input, "l3"))
+ record_l3 = true;
+ else if (unformat (input, "l4"))
+ record_l4 = true;
+ else
+ break;
+ }
+ else
+ break;
+ }
+
+ if (passive_timer > 0 && active_timer > passive_timer)
+ return clib_error_return (0,
+ "Passive timer has to be greater than active one...");
+
+ if (flowprobe_params (fm, record_l2, record_l3, record_l4,
+ active_timer, passive_timer))
+ return clib_error_return (0,
+ "Couldn't change flowperpacket params when feature is enabled on some interface ...");
+ return 0;
+}
+
+/*?
+ * '<em>flowprobe feature add-del</em>' commands to enable/disable
+ * per-packet IPFIX flow record generation on an interface
+ *
+ * @cliexpar
+ * @parblock
+ * To enable per-packet IPFIX flow-record generation on an interface:
+ * @cliexcmd{flowprobe feature add-del GigabitEthernet2/0/0}
+ *
+ * To disable per-packet IPFIX flow-record generation on an interface:
+ * @cliexcmd{flowprobe feature add-del GigabitEthernet2/0/0 disable}
+ * @cliexend
+ * @endparblock
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (flowprobe_enable_disable_command, static) = {
+ .path = "flowprobe feature add-del",
+ .short_help =
+ "flowprobe feature add-del <interface-name> <l2|ip4|ip6> disable",
+ .function = flowprobe_tx_interface_add_del_feature_command_fn,
+};
+VLIB_CLI_COMMAND (flowprobe_params_command, static) = {
+ .path = "flowprobe params",
+ .short_help =
+ "flowprobe params record <[l2] [l3] [l4]> [active <timer> passive <timer>]",
+ .function = flowprobe_params_command_fn,
+};
+VLIB_CLI_COMMAND (flowprobe_show_table_command, static) = {
+ .path = "show flowprobe table",
+ .short_help = "show flowprobe table",
+ .function = flowprobe_show_table_fn,
+};
+VLIB_CLI_COMMAND (flowprobe_show_stats_command, static) = {
+ .path = "show flowprobe statistics",
+ .short_help = "show flowprobe statistics",
+ .function = flowprobe_show_stats_fn,
+};
+/* *INDENT-ON* */
+
+/**
+ * @brief Set up the API message handling tables
+ * @param vm vlib_main_t * vlib main data structure pointer
+ * @returns 0 to indicate all is well
+ */
+static clib_error_t *
+flowprobe_plugin_api_hookup (vlib_main_t * vm)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + fm->msg_id_base), \
+ #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_flowprobe_plugin_api_msg;
+#undef _
+
+ return 0;
+}
+
+#define vl_msg_name_crc_list
+#include <flowprobe/flowprobe_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (flowprobe_main_t * fm, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + fm->msg_id_base);
+ foreach_vl_msg_name_crc_flowprobe;
+#undef _
+}
+
+/*
+ * Main-core process, sending an interrupt to the per worker input
+ * process that spins the per worker timer wheel.
+ */
+static uword
+timer_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ uword *event_data = 0;
+ vlib_main_t **worker_vms = 0, *worker_vm;
+ flowprobe_main_t *fm = &flowprobe_main;
+
+ /* Wait for Godot... */
+ vlib_process_wait_for_event_or_clock (vm, 1e9);
+ uword event_type = vlib_process_get_events (vm, &event_data);
+ if (event_type != 1)
+ clib_warning ("bogus kickoff event received, %d", event_type);
+ vec_reset_length (event_data);
+
+ int i;
+ if (vec_len (vlib_mains) == 0)
+ vec_add1 (worker_vms, vm);
+ else
+ {
+ for (i = 0; i < vec_len (vlib_mains); i++)
+ {
+ worker_vm = vlib_mains[i];
+ if (worker_vm)
+ vec_add1 (worker_vms, worker_vm);
+ }
+ }
+ f64 sleep_duration = 0.1;
+
+ while (1)
+ {
+ /* Send an interrupt to each timer input node */
+ sleep_duration = 0.1;
+ for (i = 0; i < vec_len (worker_vms); i++)
+ {
+ worker_vm = worker_vms[i];
+ if (worker_vm)
+ {
+ vlib_node_set_interrupt_pending (worker_vm,
+ flowprobe_walker_node.index);
+ sleep_duration =
+ (fm->expired_passive_per_worker[i] > 0) ? 1e-4 : 0.1;
+ }
+ }
+ vlib_process_suspend (vm, sleep_duration);
+ }
+ return 0; /* or not */
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (flowprobe_timer_node,static) = {
+ .function = timer_process,
+ .name = "flowprobe-timer-process",
+ .type = VLIB_NODE_TYPE_PROCESS,
+};
+/* *INDENT-ON* */
+
+/**
+ * @brief Set up the API message handling tables
+ * @param vm vlib_main_t * vlib main data structure pointer
+ * @returns 0 to indicate all is well, or a clib_error_t
+ */
+static clib_error_t *
+flowprobe_init (vlib_main_t * vm)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ vlib_thread_main_t *tm = &vlib_thread_main;
+ clib_error_t *error = 0;
+ u8 *name;
+ u32 num_threads;
+ int i;
+
+ fm->vnet_main = vnet_get_main ();
+
+ /* Construct the API name */
+ name = format (0, "flowprobe_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ fm->msg_id_base = vl_msg_api_get_msg_ids
+ ((char *) name, VL_MSG_FIRST_AVAILABLE);
+
+ /* Hook up message handlers */
+ error = flowprobe_plugin_api_hookup (vm);
+
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (fm, &api_main);
+
+ vec_free (name);
+
+ /* Set up time reference pair */
+ fm->vlib_time_0 = vlib_time_now (vm);
+ fm->nanosecond_time_0 = unix_time_now_nsec ();
+
+ memset (fm->template_reports, 0, sizeof (fm->template_reports));
+ memset (fm->template_size, 0, sizeof (fm->template_size));
+ memset (fm->template_per_flow, 0, sizeof (fm->template_per_flow));
+
+ /* Decide how many worker threads we have */
+ num_threads = 1 /* main thread */ + tm->n_threads;
+
+ /* Allocate per worker thread vectors per flavour */
+ for (i = 0; i < FLOW_N_VARIANTS; i++)
+ {
+ vec_validate (fm->context[i].buffers_per_worker, num_threads - 1);
+ vec_validate (fm->context[i].frames_per_worker, num_threads - 1);
+ vec_validate (fm->context[i].next_record_offset_per_worker,
+ num_threads - 1);
+ }
+
+ fm->active_timer = FLOWPROBE_TIMER_ACTIVE;
+ fm->passive_timer = FLOWPROBE_TIMER_PASSIVE;
+
+ return error;
+}
+
+VLIB_INIT_FUNCTION (flowprobe_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * flowprobe.h - ipfix probe plug-in header file
+ *
+ * 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.
+ */
+#ifndef __included_flowprobe_h__
+#define __included_flowprobe_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <vppinfra/hash.h>
+#include <vppinfra/error.h>
+#include <vnet/flow/flow_report.h>
+#include <vnet/flow/flow_report_classify.h>
+#include <vppinfra/tw_timer_2t_1w_2048sl.h>
+
+/* Default timers in seconds */
+#define FLOWPROBE_TIMER_ACTIVE (15)
+#define FLOWPROBE_TIMER_PASSIVE 120 // XXXX: FOR TESTING (30*60)
+#define FLOWPROBE_LOG2_HASHSIZE (18)
+
+typedef enum
+{
+ FLOW_RECORD_L2 = 1 << 0,
+ FLOW_RECORD_L3 = 1 << 1,
+ FLOW_RECORD_L4 = 1 << 2,
+ FLOW_RECORD_L2_IP4 = 1 << 3,
+ FLOW_RECORD_L2_IP6 = 1 << 4,
+ FLOW_N_RECORDS = 1 << 5,
+} flowprobe_record_t;
+
+/* *INDENT-OFF* */
+typedef enum __attribute__ ((__packed__))
+{
+ FLOW_VARIANT_IP4,
+ FLOW_VARIANT_IP6,
+ FLOW_VARIANT_L2,
+ FLOW_VARIANT_L2_IP4,
+ FLOW_VARIANT_L2_IP6,
+ FLOW_N_VARIANTS,
+} flowprobe_variant_t;
+/* *INDENT-ON* */
+
+STATIC_ASSERT (sizeof (flowprobe_variant_t) == 1,
+ "flowprobe_variant_t is expected to be 1 byte, "
+ "revisit padding in flowprobe_key_t");
+
+#define FLOW_MAXIMUM_EXPORT_ENTRIES (1024)
+
+typedef struct
+{
+ /* what to collect per variant */
+ flowprobe_record_t flags;
+ /** ipfix buffers under construction, per-worker thread */
+ vlib_buffer_t **buffers_per_worker;
+ /** frames containing ipfix buffers, per-worker thread */
+ vlib_frame_t **frames_per_worker;
+ /** next record offset, per worker thread */
+ u16 *next_record_offset_per_worker;
+} flowprobe_protocol_context_t;
+
+#define FLOWPROBE_KEY_IN_U32 22
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (union
+{
+ struct {
+ u32 rx_sw_if_index;
+ u32 tx_sw_if_index;
+ u8 src_mac[6];
+ u8 dst_mac[6];
+ u16 ethertype;
+ ip46_address_t src_address;
+ ip46_address_t dst_address;
+ u8 protocol;
+ u16 src_port;
+ u16 dst_port;
+ flowprobe_variant_t which;
+ };
+ u32 as_u32[FLOWPROBE_KEY_IN_U32];
+}) flowprobe_key_t;
+/* *INDENT-ON* */
+
+STATIC_ASSERT (sizeof (flowprobe_key_t) == FLOWPROBE_KEY_IN_U32 *
+ sizeof (u32), "flowprobe_key_t padding is wrong");
+
+typedef struct
+{
+ flowprobe_key_t key;
+ u64 packetcount;
+ u64 octetcount;
+ f64 last_updated;
+ f64 last_exported;
+ u32 passive_timer_handle;
+} flowprobe_entry_t;
+
+/**
+ * @file
+ * @brief flow-per-packet plugin header file
+ */
+typedef struct
+{
+ /** API message ID base */
+ u16 msg_id_base;
+
+ flowprobe_protocol_context_t context[FLOW_N_VARIANTS];
+ u16 template_reports[FLOW_N_RECORDS];
+ u16 template_size[FLOW_N_RECORDS];
+
+ /** Time reference pair */
+ u64 nanosecond_time_0;
+ f64 vlib_time_0;
+
+ /** Per CPU flow-state */
+ u8 ht_log2len; /* Hash table size is 2^log2len */
+ u32 **hash_per_worker;
+ flowprobe_entry_t **pool_per_worker;
+ /* *INDENT-OFF* */
+ TWT (tw_timer_wheel) ** timers_per_worker;
+ /* *INDENT-ON* */
+ u32 **expired_passive_per_worker;
+
+ flowprobe_record_t record;
+ u32 active_timer;
+ u32 passive_timer;
+ flowprobe_entry_t *stateless_entry;
+
+ bool initialized;
+ bool disabled;
+
+ u16 template_per_flow[FLOW_N_VARIANTS];
+ u8 *flow_per_interface;
+
+ /** convenience vlib_main_t pointer */
+ vlib_main_t *vlib_main;
+ /** convenience vnet_main_t pointer */
+ vnet_main_t *vnet_main;
+} flowprobe_main_t;
+
+extern flowprobe_main_t flowprobe_main;
+
+void flowprobe_flush_callback_ip4 (void);
+void flowprobe_flush_callback_ip6 (void);
+void flowprobe_flush_callback_l2 (void);
+u8 *format_flowprobe_entry (u8 * s, va_list * args);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
/*
- * flowperpkt_all_api_h.h - plug-in api #include file
+ * flowprobe_all_api_h.h - plug-in api #include file
*
* Copyright (c) <current-year> <your-organization>
* Licensed under the Apache License, Version 2.0 (the "License");
* limitations under the License.
*/
/* Include the generated file, see BUILT_SOURCES in Makefile.am */
-#include <flowperpkt/flowperpkt.api.h>
+#include <flowprobe/flowprobe.api.h>
/*
- * flowperpkt_msg_enum.h - vpp engine plug-in message enumeration
+ * flowprobe_msg_enum.h - vpp engine plug-in message enumeration
*
* Copyright (c) <current-year> <your-organization>
* Licensed under the Apache License, Version 2.0 (the "License");
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#ifndef included_flowperpkt_msg_enum_h
-#define included_flowperpkt_msg_enum_h
+#ifndef included_flowprobe_msg_enum_h
+#define included_flowprobe_msg_enum_h
#include <vppinfra/byte_order.h>
#define vl_msg_id(n,h) n,
typedef enum
{
-#include <flowperpkt/flowperpkt_all_api_h.h>
+#include <flowprobe/flowprobe_all_api_h.h>
/* We'll want to know how many messages IDs we need... */
VL_MSG_FIRST_AVAILABLE,
} vl_msg_id_t;
#undef vl_msg_id
-#endif /* included_flowperpkt_msg_enum_h */
+#endif /* included_flowprobe_msg_enum_h */
--- /dev/null
+IPFIX flow record plugin {#flowprobe_plugin_doc}
+========================
+
+## Introduction
+
+This plugin generates ipfix flow records on interfaces which have the feature enabled
+
+## Sample configuration
+
+set ipfix exporter collector 192.168.6.2 src 192.168.6.1 template-interval 20 port 4739 path-mtu 1500
+
+flowprobe params record l3 active 20 passive 120
+flowprobe feature add-del GigabitEthernet2/3/0 l2
\ No newline at end of file
/*
- * flowperpkt.c - skeleton vpp-api-test plug-in
+ * flowprobe.c - skeleton vpp-api-test plug-in
*
* Copyright (c) <current-year> <your-organization>
* Licensed under the Apache License, Version 2.0 (the "License");
#include <vlibmemory/api.h>
#include <vlibsocket/api.h>
#include <vppinfra/error.h>
+#include <flowprobe/flowprobe.h>
-#define __plugin_msg_base flowperpkt_test_main.msg_id_base
+#define __plugin_msg_base flowprobe_test_main.msg_id_base
#include <vlibapi/vat_helper_macros.h>
/**
uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
/* Declare message IDs */
-#include <flowperpkt/flowperpkt_msg_enum.h>
+#include <flowprobe/flowprobe_msg_enum.h>
/* define message structures */
#define vl_typedefs
-#include <flowperpkt/flowperpkt_all_api_h.h>
+#include <flowprobe/flowprobe_all_api_h.h>
#undef vl_typedefs
/* declare message handlers for each api */
#define vl_endianfun /* define message structures */
-#include <flowperpkt/flowperpkt_all_api_h.h>
+#include <flowprobe/flowprobe_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
-#include <flowperpkt/flowperpkt_all_api_h.h>
+#include <flowprobe/flowprobe_all_api_h.h>
#undef vl_printfun
/* Get the API version number. */
#define vl_api_version(n,v) static u32 api_version=(v);
-#include <flowperpkt/flowperpkt_all_api_h.h>
+#include <flowprobe/flowprobe_all_api_h.h>
#undef vl_api_version
typedef struct
u16 msg_id_base;
/** vat_main_t pointer */
vat_main_t *vat_main;
-} flowperpkt_test_main_t;
+} flowprobe_test_main_t;
-flowperpkt_test_main_t flowperpkt_test_main;
+flowprobe_test_main_t flowprobe_test_main;
#define foreach_standard_reply_retval_handler \
-_(flowperpkt_tx_interface_add_del_reply)
+_(flowprobe_tx_interface_add_del_reply) \
+_(flowprobe_params_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
(vl_api_##n##_t * mp) \
{ \
- vat_main_t * vam = flowperpkt_test_main.vat_main; \
+ vat_main_t * vam = flowprobe_test_main.vat_main; \
i32 retval = ntohl(mp->retval); \
if (vam->async_mode) { \
vam->async_errors += (retval < 0); \
* we just generated
*/
#define foreach_vpe_api_reply_msg \
-_(FLOWPERPKT_TX_INTERFACE_ADD_DEL_REPLY, \
- flowperpkt_tx_interface_add_del_reply)
+_(FLOWPROBE_TX_INTERFACE_ADD_DEL_REPLY, \
+ flowprobe_tx_interface_add_del_reply) \
+_(FLOWPROBE_PARAMS_REPLY, flowprobe_params_reply)
static int
-api_flowperpkt_tx_interface_add_del (vat_main_t * vam)
+api_flowprobe_tx_interface_add_del (vat_main_t * vam)
{
unformat_input_t *i = vam->input;
int enable_disable = 1;
- u8 which = 0; /* ipv4 by default */
+ u8 which = FLOW_VARIANT_IP4;
u32 sw_if_index = ~0;
- vl_api_flowperpkt_tx_interface_add_del_t *mp;
+ vl_api_flowprobe_tx_interface_add_del_t *mp;
int ret;
/* Parse args required to build the message */
;
else if (unformat (i, "disable"))
enable_disable = 0;
+ else if (unformat (i, "ip4"))
+ which = FLOW_VARIANT_IP4;
+ else if (unformat (i, "ip6"))
+ which = FLOW_VARIANT_IP6;
else if (unformat (i, "l2"))
- which = 1;
+ which = FLOW_VARIANT_L2;
else
break;
}
}
/* Construct the API message */
- M (FLOWPERPKT_TX_INTERFACE_ADD_DEL, mp);
+ M (FLOWPROBE_TX_INTERFACE_ADD_DEL, mp);
mp->sw_if_index = ntohl (sw_if_index);
mp->is_add = enable_disable;
mp->which = which;
return ret;
}
+static int
+api_flowprobe_params (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ u8 record_l2 = 0, record_l3 = 0, record_l4 = 0;
+ u32 active_timer = ~0;
+ u32 passive_timer = ~0;
+ vl_api_flowprobe_params_t *mp;
+ int ret;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "active %d", &active_timer))
+ ;
+ else if (unformat (i, "passive %d", &passive_timer))
+ ;
+ else if (unformat (i, "record"))
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "l2"))
+ record_l2 = 1;
+ else if (unformat (i, "l3"))
+ record_l3 = 1;
+ else if (unformat (i, "l4"))
+ record_l4 = 1;
+ else
+ break;
+ }
+ else
+ break;
+ }
+
+ if (passive_timer > 0 && active_timer > passive_timer)
+ {
+ errmsg ("Passive timer has to be greater than active one...\n");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (FLOWPROBE_PARAMS, mp);
+ mp->record_l2 = record_l2;
+ mp->record_l3 = record_l3;
+ mp->record_l4 = record_l4;
+ mp->active_timer = ntohl (active_timer);
+ mp->passive_timer = ntohl (passive_timer);
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply... */
+ W (ret);
+
+ return ret;
+}
+
/*
* List of messages that the api test plugin sends,
* and that the data plane plugin processes
*/
#define foreach_vpe_api_msg \
-_(flowperpkt_tx_interface_add_del, "<intfc> [disable]")
+_(flowprobe_tx_interface_add_del, "<intfc> [disable]") \
+_(flowprobe_params, "record <[l2] [l3] [l4]> [active <timer> passive <timer>]")
static void
-flowperpkt_vat_api_hookup (vat_main_t * vam)
+flowprobe_vat_api_hookup (vat_main_t * vam)
{
- flowperpkt_test_main_t *sm = &flowperpkt_test_main;
+ flowprobe_test_main_t *sm = &flowprobe_test_main;
/* Hook up handlers for replies from the data plane plug-in */
#define _(N,n) \
vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
clib_error_t *
vat_plugin_register (vat_main_t * vam)
{
- flowperpkt_test_main_t *sm = &flowperpkt_test_main;
+ flowprobe_test_main_t *sm = &flowprobe_test_main;
u8 *name;
sm->vat_main = vam;
/* Ask the vpp engine for the first assigned message-id */
- name = format (0, "flowperpkt_%08x%c", api_version, 0);
+ name = format (0, "flowprobe_%08x%c", api_version, 0);
sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
/* Don't attempt to hook up API messages if the data plane plugin is AWOL */
if (sm->msg_id_base != (u16) ~ 0)
- flowperpkt_vat_api_hookup (vam);
+ flowprobe_vat_api_hookup (vam);
vec_free (name);
--- /dev/null
+/*
+ * node.c - ipfix probe graph node
+ *
+ * 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 <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <flowprobe/flowprobe.h>
+#include <vnet/ip/ip6_packet.h>
+
+static void flowprobe_export_entry (vlib_main_t * vm, flowprobe_entry_t * e);
+
+/**
+ * @file flow record generator graph node
+ */
+
+typedef struct
+{
+ /** interface handle */
+ u32 rx_sw_if_index;
+ u32 tx_sw_if_index;
+ /** packet timestamp */
+ u64 timestamp;
+ /** size of the buffer */
+ u16 buffer_size;
+
+ /** L2 information */
+ u8 src_mac[6];
+ u8 dst_mac[6];
+ /** Ethertype */
+ u16 ethertype;
+
+ /** L3 information */
+ ip46_address_t src_address;
+ ip46_address_t dst_address;
+ u8 protocol;
+ u8 tos;
+
+ /** L4 information */
+ u16 src_port;
+ u16 dst_port;
+
+ flowprobe_variant_t which;
+} flowprobe_trace_t;
+
+static char *flowprobe_variant_strings[] = {
+ [FLOW_VARIANT_IP4] = "IP4",
+ [FLOW_VARIANT_IP6] = "IP6",
+ [FLOW_VARIANT_L2] = "L2",
+ [FLOW_VARIANT_L2_IP4] = "L2-IP4",
+ [FLOW_VARIANT_L2_IP6] = "L2-IP6",
+};
+
+/* packet trace format function */
+static u8 *
+format_flowprobe_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ flowprobe_trace_t *t = va_arg (*args, flowprobe_trace_t *);
+ uword indent = format_get_indent (s);
+
+ s = format (s,
+ "FLOWPROBE[%s]: rx_sw_if_index %d, tx_sw_if_index %d, "
+ "timestamp %lld, size %d", flowprobe_variant_strings[t->which],
+ t->rx_sw_if_index, t->tx_sw_if_index,
+ t->timestamp, t->buffer_size);
+
+ if (t->which == FLOW_VARIANT_L2)
+ s = format (s, "\n%U -> %U", format_white_space, indent,
+ format_ethernet_address, &t->src_mac,
+ format_ethernet_address, &t->dst_mac);
+
+ if (t->protocol > 0
+ && (t->which == FLOW_VARIANT_L2_IP4 || t->which == FLOW_VARIANT_IP4
+ || t->which == FLOW_VARIANT_L2_IP6 || t->which == FLOW_VARIANT_IP6))
+ s =
+ format (s, "\n%U%U: %U -> %U", format_white_space, indent,
+ format_ip_protocol, t->protocol, format_ip46_address,
+ &t->src_address, IP46_TYPE_ANY, format_ip46_address,
+ &t->dst_address, IP46_TYPE_ANY);
+ return s;
+}
+
+vlib_node_registration_t flowprobe_ip4_node;
+vlib_node_registration_t flowprobe_ip6_node;
+vlib_node_registration_t flowprobe_l2_node;
+
+/* No counters at the moment */
+#define foreach_flowprobe_error \
+_(COLLISION, "Hash table collisions") \
+_(BUFFER, "Buffer allocation error") \
+_(EXPORTED_PACKETS, "Exported packets") \
+_(INPATH, "Exported packets in path")
+
+typedef enum
+{
+#define _(sym,str) FLOWPROBE_ERROR_##sym,
+ foreach_flowprobe_error
+#undef _
+ FLOWPROBE_N_ERROR,
+} flowprobe_error_t;
+
+static char *flowprobe_error_strings[] = {
+#define _(sym,string) string,
+ foreach_flowprobe_error
+#undef _
+};
+
+typedef enum
+{
+ FLOWPROBE_NEXT_DROP,
+ FLOWPROBE_NEXT_IP4_LOOKUP,
+ FLOWPROBE_N_NEXT,
+} flowprobe_next_t;
+
+#define FLOWPROBE_NEXT_NODES { \
+ [FLOWPROBE_NEXT_DROP] = "error-drop", \
+ [FLOWPROBE_NEXT_IP4_LOOKUP] = "ip4-lookup", \
+}
+
+static inline flowprobe_variant_t
+flowprobe_get_variant (flowprobe_variant_t which,
+ flowprobe_record_t flags, u16 ethertype)
+{
+ if (which == FLOW_VARIANT_L2
+ && (flags & FLOW_RECORD_L3 || flags & FLOW_RECORD_L4))
+ return ethertype == ETHERNET_TYPE_IP6 ? FLOW_VARIANT_L2_IP6 : ethertype ==
+ ETHERNET_TYPE_IP4 ? FLOW_VARIANT_L2_IP4 : FLOW_VARIANT_L2;
+ return which;
+}
+
+static inline u32
+flowprobe_common_add (vlib_buffer_t * to_b, flowprobe_entry_t * e, u16 offset)
+{
+ u16 start = offset;
+
+ /* Ingress interface */
+ u32 rx_if = clib_host_to_net_u32 (e->key.rx_sw_if_index);
+ clib_memcpy (to_b->data + offset, &rx_if, sizeof (rx_if));
+ offset += sizeof (rx_if);
+
+ /* Egress interface */
+ u32 tx_if = clib_host_to_net_u32 (e->key.tx_sw_if_index);
+ clib_memcpy (to_b->data + offset, &tx_if, sizeof (tx_if));
+ offset += sizeof (tx_if);
+
+ /* packet delta count */
+ u64 packetdelta = clib_host_to_net_u64 (e->packetcount);
+ clib_memcpy (to_b->data + offset, &packetdelta, sizeof (u64));
+ offset += sizeof (u64);
+
+ return offset - start;
+}
+
+static inline u32
+flowprobe_l2_add (vlib_buffer_t * to_b, flowprobe_entry_t * e, u16 offset)
+{
+ u16 start = offset;
+
+ /* src mac address */
+ clib_memcpy (to_b->data + offset, &e->key.src_mac, 6);
+ offset += 6;
+
+ /* dst mac address */
+ clib_memcpy (to_b->data + offset, &e->key.dst_mac, 6);
+ offset += 6;
+
+ /* ethertype */
+ clib_memcpy (to_b->data + offset, &e->key.ethertype, 2);
+ offset += 2;
+
+ return offset - start;
+}
+
+static inline u32
+flowprobe_l3_ip6_add (vlib_buffer_t * to_b, flowprobe_entry_t * e, u16 offset)
+{
+ u16 start = offset;
+
+ /* ip6 src address */
+ clib_memcpy (to_b->data + offset, &e->key.src_address,
+ sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ /* ip6 dst address */
+ clib_memcpy (to_b->data + offset, &e->key.dst_address,
+ sizeof (ip6_address_t));
+ offset += sizeof (ip6_address_t);
+
+ /* Protocol */
+ to_b->data[offset++] = e->key.protocol;
+
+ /* octetDeltaCount */
+ u64 octetdelta = clib_host_to_net_u64 (e->octetcount);
+ clib_memcpy (to_b->data + offset, &octetdelta, sizeof (u64));
+ offset += sizeof (u64);
+
+ return offset - start;
+}
+
+static inline u32
+flowprobe_l3_ip4_add (vlib_buffer_t * to_b, flowprobe_entry_t * e, u16 offset)
+{
+ u16 start = offset;
+
+ /* ip4 src address */
+ clib_memcpy (to_b->data + offset, &e->key.src_address.ip4,
+ sizeof (ip4_address_t));
+ offset += sizeof (ip4_address_t);
+
+ /* ip4 dst address */
+ clib_memcpy (to_b->data + offset, &e->key.dst_address.ip4,
+ sizeof (ip4_address_t));
+ offset += sizeof (ip4_address_t);
+
+ /* Protocol */
+ to_b->data[offset++] = e->key.protocol;
+
+ /* octetDeltaCount */
+ u64 octetdelta = clib_host_to_net_u64 (e->octetcount);
+ clib_memcpy (to_b->data + offset, &octetdelta, sizeof (u64));
+ offset += sizeof (u64);
+
+ return offset - start;
+}
+
+static inline u32
+flowprobe_l4_add (vlib_buffer_t * to_b, flowprobe_entry_t * e, u16 offset)
+{
+ u16 start = offset;
+
+ /* src port */
+ clib_memcpy (to_b->data + offset, &e->key.src_port, 2);
+ offset += 2;
+
+ /* dst port */
+ clib_memcpy (to_b->data + offset, &e->key.dst_port, 2);
+ offset += 2;
+
+ return offset - start;
+}
+
+static inline u32
+flowprobe_hash (flowprobe_key_t * k)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ int i;
+ u32 h = 0;
+ for (i = 0; i < sizeof (k->as_u32) / sizeof (u32); i++)
+ h = crc_u32 (k->as_u32[i], h);
+ return h >> (32 - fm->ht_log2len);
+}
+
+flowprobe_entry_t *
+flowprobe_lookup (u32 my_cpu_number, flowprobe_key_t * k, u32 * poolindex,
+ bool * collision)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ flowprobe_entry_t *e;
+ u32 h;
+
+ h = (fm->active_timer) ? flowprobe_hash (k) : 0;
+
+ /* Lookup in the flow state pool */
+ *poolindex = fm->hash_per_worker[my_cpu_number][h];
+ if (*poolindex != ~0)
+ {
+ e = pool_elt_at_index (fm->pool_per_worker[my_cpu_number], *poolindex);
+ if (e)
+ {
+ /* Verify key or report collision */
+ if (memcmp (k, &e->key, sizeof (flowprobe_key_t)))
+ *collision = true;
+ return e;
+ }
+ }
+
+ return 0;
+}
+
+flowprobe_entry_t *
+flowprobe_create (u32 my_cpu_number, flowprobe_key_t * k, u32 * poolindex)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ u32 h;
+
+ flowprobe_entry_t *e;
+
+ /* Get my index */
+ h = (fm->active_timer) ? flowprobe_hash (k) : 0;
+
+ pool_get (fm->pool_per_worker[my_cpu_number], e);
+ *poolindex = e - fm->pool_per_worker[my_cpu_number];
+ fm->hash_per_worker[my_cpu_number][h] = *poolindex;
+
+ e->key = *k;
+
+ if (fm->passive_timer > 0)
+ {
+ e->passive_timer_handle = tw_timer_start_2t_1w_2048sl
+ (fm->timers_per_worker[my_cpu_number], *poolindex, 0,
+ fm->passive_timer);
+ }
+ return e;
+}
+
+static inline void
+add_to_flow_record_state (vlib_main_t * vm, vlib_node_runtime_t * node,
+ flowprobe_main_t * fm, vlib_buffer_t * b,
+ u64 timestamp, u16 length,
+ flowprobe_variant_t which, flowprobe_trace_t * t)
+{
+ if (fm->disabled)
+ return;
+
+ u32 my_cpu_number = vm->thread_index;
+ u16 octets = 0;
+
+ flowprobe_record_t flags = fm->context[which].flags;
+ bool collect_ip4 = false, collect_ip6 = false;
+ ASSERT (b);
+ ethernet_header_t *eth = vlib_buffer_get_current (b);
+ u16 ethertype = clib_net_to_host_u16 (eth->type);
+ /* *INDENT-OFF* */
+ flowprobe_key_t k = { {0} };
+ /* *INDENT-ON* */
+ ip4_header_t *ip4 = 0;
+ ip6_header_t *ip6 = 0;
+ udp_header_t *udp = 0;
+
+ if (flags & FLOW_RECORD_L3 || flags & FLOW_RECORD_L4)
+ {
+ collect_ip4 = which == FLOW_VARIANT_L2_IP4 || which == FLOW_VARIANT_IP4;
+ collect_ip6 = which == FLOW_VARIANT_L2_IP6 || which == FLOW_VARIANT_IP6;
+ }
+
+ k.rx_sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
+ k.tx_sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
+
+ k.which = which;
+
+ if (flags & FLOW_RECORD_L2)
+ {
+ clib_memcpy (k.src_mac, eth->src_address, 6);
+ clib_memcpy (k.dst_mac, eth->dst_address, 6);
+ k.ethertype = ethertype;
+ }
+ if (collect_ip6 && ethertype == ETHERNET_TYPE_IP6)
+ {
+ ip6 = (ip6_header_t *) (eth + 1);
+ udp = (udp_header_t *) (ip6 + 1);
+ if (flags & FLOW_RECORD_L3)
+ {
+ k.src_address.as_u64[0] = ip6->src_address.as_u64[0];
+ k.src_address.as_u64[1] = ip6->src_address.as_u64[1];
+ k.dst_address.as_u64[0] = ip6->dst_address.as_u64[0];
+ k.dst_address.as_u64[1] = ip6->dst_address.as_u64[1];
+ }
+ k.protocol = ip6->protocol;
+ octets = clib_net_to_host_u16 (ip6->payload_length)
+ + sizeof (ip6_header_t);
+ }
+ if (collect_ip4 && ethertype == ETHERNET_TYPE_IP4)
+ {
+ ip4 = (ip4_header_t *) (eth + 1);
+ udp = (udp_header_t *) (ip4 + 1);
+ if (flags & FLOW_RECORD_L3)
+ {
+ k.src_address.ip4.as_u32 = ip4->src_address.as_u32;
+ k.dst_address.ip4.as_u32 = ip4->dst_address.as_u32;
+ }
+ k.protocol = ip4->protocol;
+ octets = clib_net_to_host_u16 (ip4->length);
+ }
+ if ((flags & FLOW_RECORD_L4) && udp &&
+ (k.protocol == IP_PROTOCOL_TCP || k.protocol == IP_PROTOCOL_UDP))
+ {
+ k.src_port = udp->src_port;
+ k.dst_port = udp->dst_port;
+ }
+
+ if (t)
+ {
+ t->rx_sw_if_index = k.rx_sw_if_index;
+ t->tx_sw_if_index = k.tx_sw_if_index;
+ clib_memcpy (t->src_mac, k.src_mac, 6);
+ clib_memcpy (t->dst_mac, k.dst_mac, 6);
+ t->ethertype = k.ethertype;
+ t->src_address.ip4.as_u32 = k.src_address.ip4.as_u32;
+ t->dst_address.ip4.as_u32 = k.dst_address.ip4.as_u32;
+ t->protocol = k.protocol;
+ t->src_port = k.src_port;
+ t->dst_port = k.dst_port;
+ t->which = k.which;
+ }
+
+ flowprobe_entry_t *e = 0;
+ f64 now = vlib_time_now (vm);
+ if (fm->active_timer > 0)
+ {
+ u32 poolindex = ~0;
+ bool collision = false;
+
+ e = flowprobe_lookup (my_cpu_number, &k, &poolindex, &collision);
+ if (collision)
+ {
+ /* Flush data and clean up entry for reuse. */
+ if (e->packetcount)
+ flowprobe_export_entry (vm, e);
+ e->key = k;
+ vlib_node_increment_counter (vm, node->node_index,
+ FLOWPROBE_ERROR_COLLISION, 1);
+ }
+ if (!e) /* Create new entry */
+ {
+ e = flowprobe_create (my_cpu_number, &k, &poolindex);
+ e->last_exported = now;
+ }
+ }
+ else
+ {
+ e = &fm->stateless_entry[my_cpu_number];
+ e->key = k;
+ }
+
+ if (e)
+ {
+ /* Updating entry */
+ e->packetcount++;
+ e->octetcount += octets;
+ e->last_updated = now;
+
+ if (fm->active_timer == 0
+ || (now > e->last_exported + fm->active_timer))
+ flowprobe_export_entry (vm, e);
+ }
+}
+
+static u16
+flowprobe_get_headersize (void)
+{
+ return sizeof (ip4_header_t) + sizeof (udp_header_t) +
+ sizeof (ipfix_message_header_t) + sizeof (ipfix_set_header_t);
+}
+
+static void
+flowprobe_export_send (vlib_main_t * vm, vlib_buffer_t * b0,
+ flowprobe_variant_t which)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_frame_t *f;
+ ip4_ipfix_template_packet_t *tp;
+ ipfix_set_header_t *s;
+ ipfix_message_header_t *h;
+ ip4_header_t *ip;
+ udp_header_t *udp;
+ flowprobe_record_t flags = fm->context[which].flags;
+ u32 my_cpu_number = vm->thread_index;
+
+ /* Fill in header */
+ flow_report_stream_t *stream;
+
+ /* Nothing to send */
+ if (fm->context[which].next_record_offset_per_worker[my_cpu_number] <=
+ flowprobe_get_headersize ())
+ return;
+
+ u32 i, index = vec_len (frm->streams);
+ for (i = 0; i < index; i++)
+ if (frm->streams[i].domain_id == 1)
+ {
+ index = i;
+ break;
+ }
+ if (i == vec_len (frm->streams))
+ {
+ vec_validate (frm->streams, index);
+ frm->streams[index].domain_id = 1;
+ }
+ stream = &frm->streams[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);
+
+ ip->ip_version_and_header_length = 0x45;
+ ip->ttl = 254;
+ ip->protocol = IP_PROTOCOL_UDP;
+ ip->flags_and_fragment_offset = 0;
+ ip->src_address.as_u32 = frm->src_address.as_u32;
+ ip->dst_address.as_u32 = frm->ipfix_collector.as_u32;
+ udp->src_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
+ udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_ipfix);
+ udp->checksum = 0;
+
+ /* 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);
+ h->domain_id = clib_host_to_net_u32 (stream->domain_id);
+
+ /* FIXUP: message header sequence_number */
+ h->sequence_number = stream->sequence_number++;
+ h->sequence_number = clib_host_to_net_u32 (h->sequence_number);
+
+ s->set_id_length = ipfix_set_id_length (fm->template_reports[flags],
+ b0->current_length -
+ (sizeof (*ip) + sizeof (*udp) +
+ sizeof (*h)));
+ h->version_length = version_length (b0->current_length -
+ (sizeof (*ip) + sizeof (*udp)));
+
+ ip->length = clib_host_to_net_u16 (b0->current_length);
+
+ ip->checksum = ip4_header_checksum (ip);
+ 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));
+
+ /* Find or allocate a frame */
+ f = fm->context[which].frames_per_worker[my_cpu_number];
+ if (PREDICT_FALSE (f == 0))
+ {
+ u32 *to_next;
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ fm->context[which].frames_per_worker[my_cpu_number] = f;
+ u32 bi0 = vlib_get_buffer_index (vm, b0);
+
+ /* Enqueue the buffer */
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ }
+
+ vlib_put_frame_to_node (vm, ip4_lookup_node.index, f);
+ vlib_node_increment_counter (vm, flowprobe_l2_node.index,
+ FLOWPROBE_ERROR_EXPORTED_PACKETS, 1);
+
+ fm->context[which].frames_per_worker[my_cpu_number] = 0;
+ fm->context[which].buffers_per_worker[my_cpu_number] = 0;
+ fm->context[which].next_record_offset_per_worker[my_cpu_number] =
+ flowprobe_get_headersize ();
+}
+
+static vlib_buffer_t *
+flowprobe_get_buffer (vlib_main_t * vm, flowprobe_variant_t which)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_buffer_t *b0;
+ u32 bi0;
+ vlib_buffer_free_list_t *fl;
+ u32 my_cpu_number = vm->thread_index;
+
+ /* Find or allocate a buffer */
+ b0 = fm->context[which].buffers_per_worker[my_cpu_number];
+
+ /* Need to allocate a buffer? */
+ if (PREDICT_FALSE (b0 == 0))
+ {
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ vlib_node_increment_counter (vm, flowprobe_l2_node.index,
+ FLOWPROBE_ERROR_BUFFER, 1);
+ return 0;
+ }
+
+ /* Initialize the buffer */
+ b0 = fm->context[which].buffers_per_worker[my_cpu_number] =
+ vlib_get_buffer (vm, bi0);
+ fl =
+ vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ vlib_buffer_init_for_free_list (b0, fl);
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
+
+ b0->current_data = 0;
+ b0->current_length = flowprobe_get_headersize ();
+ b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_FLOW_REPORT);
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = frm->fib_index;
+ fm->context[which].next_record_offset_per_worker[my_cpu_number] =
+ b0->current_length;
+ }
+
+ return b0;
+}
+
+static void
+flowprobe_export_entry (vlib_main_t * vm, flowprobe_entry_t * e)
+{
+ u32 my_cpu_number = vm->thread_index;
+ flowprobe_main_t *fm = &flowprobe_main;
+ flow_report_main_t *frm = &flow_report_main;
+ vlib_buffer_t *b0;
+ bool collect_ip4 = false, collect_ip6 = false;
+ flowprobe_variant_t which = e->key.which;
+ flowprobe_record_t flags = fm->context[which].flags;
+ u16 offset =
+ fm->context[which].next_record_offset_per_worker[my_cpu_number];
+
+ if (offset < flowprobe_get_headersize ())
+ offset = flowprobe_get_headersize ();
+
+ b0 = flowprobe_get_buffer (vm, which);
+ /* No available buffer, what to do... */
+ if (b0 == 0)
+ return;
+
+ if (flags & FLOW_RECORD_L3)
+ {
+ collect_ip4 = which == FLOW_VARIANT_L2_IP4 || which == FLOW_VARIANT_IP4;
+ collect_ip6 = which == FLOW_VARIANT_L2_IP6 || which == FLOW_VARIANT_IP6;
+ }
+
+ offset += flowprobe_common_add (b0, e, offset);
+
+ if (flags & FLOW_RECORD_L2)
+ offset += flowprobe_l2_add (b0, e, offset);
+ if (collect_ip6)
+ offset += flowprobe_l3_ip6_add (b0, e, offset);
+ if (collect_ip4)
+ offset += flowprobe_l3_ip4_add (b0, e, offset);
+ if (flags & FLOW_RECORD_L4)
+ offset += flowprobe_l4_add (b0, e, offset);
+
+ /* Reset per flow-export counters */
+ e->packetcount = 0;
+ e->octetcount = 0;
+ e->last_exported = vlib_time_now (vm);
+
+ b0->current_length = offset;
+
+ fm->context[which].next_record_offset_per_worker[my_cpu_number] = offset;
+ /* Time to flush the buffer? */
+ if (offset + fm->template_size[flags] > frm->path_mtu)
+ flowprobe_export_send (vm, b0, which);
+}
+
+uword
+flowprobe_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame,
+ flowprobe_variant_t which)
+{
+ u32 n_left_from, *from, *to_next;
+ flowprobe_next_t next_index;
+ flowprobe_main_t *fm = &flowprobe_main;
+ u64 now;
+
+ now = (u64) ((vlib_time_now (vm) - fm->vlib_time_0) * 1e9);
+ now += fm->nanosecond_time_0;
+
+ from = vlib_frame_vector_args (frame);
+ n_left_from = frame->n_vectors;
+ next_index = node->cached_next_index;
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ u32 next0 = FLOWPROBE_NEXT_DROP;
+ u32 next1 = FLOWPROBE_NEXT_DROP;
+ u16 len0, len1;
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p2, *p3;
+
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, LOAD);
+ vlib_prefetch_buffer_header (p3, LOAD);
+
+ CLIB_PREFETCH (p2->data, CLIB_CACHE_LINE_BYTES, STORE);
+ CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ to_next[0] = bi0 = from[0];
+ to_next[1] = bi1 = from[1];
+ from += 2;
+ to_next += 2;
+ n_left_from -= 2;
+ n_left_to_next -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
+ &next0, b0);
+ vnet_feature_next (vnet_buffer (b1)->sw_if_index[VLIB_TX],
+ &next1, b1);
+
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+ ethernet_header_t *eh0 = vlib_buffer_get_current (b0);
+ u16 ethertype0 = clib_net_to_host_u16 (eh0->type);
+
+ if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
+ add_to_flow_record_state (vm, node, fm, b0, now, len0,
+ flowprobe_get_variant
+ (which, fm->context[which].flags,
+ ethertype0), 0);
+
+ len1 = vlib_buffer_length_in_chain (vm, b1);
+ ethernet_header_t *eh1 = vlib_buffer_get_current (b1);
+ u16 ethertype1 = clib_net_to_host_u16 (eh1->type);
+
+ if (PREDICT_TRUE ((b1->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
+ add_to_flow_record_state (vm, node, fm, b1, now, len1,
+ flowprobe_get_variant
+ (which, fm->context[which].flags,
+ ethertype1), 0);
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0 = FLOWPROBE_NEXT_DROP;
+ u16 len0;
+
+ /* speculatively enqueue b0 to the current next frame */
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ vnet_feature_next (vnet_buffer (b0)->sw_if_index[VLIB_TX],
+ &next0, b0);
+
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+ ethernet_header_t *eh0 = vlib_buffer_get_current (b0);
+ u16 ethertype0 = clib_net_to_host_u16 (eh0->type);
+
+ if (PREDICT_TRUE ((b0->flags & VLIB_BUFFER_FLOW_REPORT) == 0))
+ {
+ flowprobe_trace_t *t = 0;
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ t = vlib_add_trace (vm, node, b0, sizeof (*t));
+
+ add_to_flow_record_state (vm, node, fm, b0, now, len0,
+ flowprobe_get_variant
+ (which, fm->context[which].flags,
+ ethertype0), t);
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }
+
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ }
+ return frame->n_vectors;
+}
+
+static uword
+flowprobe_ip4_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return flowprobe_node_fn (vm, node, frame, FLOW_VARIANT_IP4);
+}
+
+static uword
+flowprobe_ip6_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return flowprobe_node_fn (vm, node, frame, FLOW_VARIANT_IP6);
+}
+
+static uword
+flowprobe_l2_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ return flowprobe_node_fn (vm, node, frame, FLOW_VARIANT_L2);
+}
+
+static inline void
+flush_record (flowprobe_variant_t which)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_buffer_t *b = flowprobe_get_buffer (vm, which);
+ if (b)
+ flowprobe_export_send (vm, b, which);
+}
+
+void
+flowprobe_flush_callback_ip4 (void)
+{
+ flush_record (FLOW_VARIANT_IP4);
+}
+
+void
+flowprobe_flush_callback_ip6 (void)
+{
+ flush_record (FLOW_VARIANT_IP6);
+}
+
+void
+flowprobe_flush_callback_l2 (void)
+{
+ flush_record (FLOW_VARIANT_L2);
+ flush_record (FLOW_VARIANT_L2_IP4);
+ flush_record (FLOW_VARIANT_L2_IP6);
+}
+
+
+static void
+flowprobe_delete_by_index (u32 my_cpu_number, u32 poolindex)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ flowprobe_entry_t *e;
+ u32 h;
+
+ e = pool_elt_at_index (fm->pool_per_worker[my_cpu_number], poolindex);
+
+ /* Get my index */
+ h = flowprobe_hash (&e->key);
+
+ /* Reset hash */
+ fm->hash_per_worker[my_cpu_number][h] = ~0;
+
+ pool_put_index (fm->pool_per_worker[my_cpu_number], poolindex);
+}
+
+
+/* Per worker process processing the active/passive expired entries */
+static uword
+flowprobe_walker_process (vlib_main_t * vm,
+ vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ flowprobe_main_t *fm = &flowprobe_main;
+ flow_report_main_t *frm = &flow_report_main;
+ flowprobe_entry_t *e;
+
+ /*
+ * $$$$ Remove this check from here and track FRM status and disable
+ * this process if required.
+ */
+ if (frm->ipfix_collector.as_u32 == 0 || frm->src_address.as_u32 == 0)
+ {
+ fm->disabled = true;
+ return 0;
+ }
+ fm->disabled = false;
+
+ u32 cpu_index = os_get_thread_index ();
+ u32 *to_be_removed = 0, *i;
+
+ /*
+ * Tick the timer when required and process the vector of expired
+ * timers
+ */
+ f64 start_time = vlib_time_now (vm);
+ u32 count = 0;
+
+ tw_timer_expire_timers_2t_1w_2048sl (fm->timers_per_worker[cpu_index],
+ start_time);
+
+ vec_foreach (i, fm->expired_passive_per_worker[cpu_index])
+ {
+ u32 exported = 0;
+ f64 now = vlib_time_now (vm);
+ if (now > start_time + 100e-6
+ || exported > FLOW_MAXIMUM_EXPORT_ENTRIES - 1)
+ break;
+
+ if (pool_is_free_index (fm->pool_per_worker[cpu_index], *i))
+ {
+ clib_warning ("Element is %d is freed already\n", *i);
+ continue;
+ }
+ else
+ e = pool_elt_at_index (fm->pool_per_worker[cpu_index], *i);
+
+ /* Check last update timestamp. If it is longer than passive time nuke
+ * entry. Otherwise restart timer with what's left
+ * Premature passive timer by more than 10%
+ */
+ if ((now - e->last_updated) < (fm->passive_timer * 0.9))
+ {
+ f64 delta = fm->passive_timer - (now - e->last_updated);
+ e->passive_timer_handle = tw_timer_start_2t_1w_2048sl
+ (fm->timers_per_worker[cpu_index], *i, 0, delta);
+ }
+ else /* Nuke entry */
+ {
+ vec_add1 (to_be_removed, *i);
+ }
+ /* If anything to report send it to the exporter */
+ if (e->packetcount && now > e->last_exported + fm->active_timer)
+ {
+ exported++;
+ flowprobe_export_entry (vm, e);
+ }
+ count++;
+ }
+ if (count)
+ vec_delete (fm->expired_passive_per_worker[cpu_index], count, 0);
+
+ vec_foreach (i, to_be_removed) flowprobe_delete_by_index (cpu_index, *i);
+ vec_free (to_be_removed);
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (flowprobe_ip4_node) = {
+ .function = flowprobe_ip4_node_fn,
+ .name = "flowprobe-ip4",
+ .vector_size = sizeof (u32),
+ .format_trace = format_flowprobe_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(flowprobe_error_strings),
+ .error_strings = flowprobe_error_strings,
+ .n_next_nodes = FLOWPROBE_N_NEXT,
+ .next_nodes = FLOWPROBE_NEXT_NODES,
+};
+VLIB_REGISTER_NODE (flowprobe_ip6_node) = {
+ .function = flowprobe_ip6_node_fn,
+ .name = "flowprobe-ip6",
+ .vector_size = sizeof (u32),
+ .format_trace = format_flowprobe_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(flowprobe_error_strings),
+ .error_strings = flowprobe_error_strings,
+ .n_next_nodes = FLOWPROBE_N_NEXT,
+ .next_nodes = FLOWPROBE_NEXT_NODES,
+};
+VLIB_REGISTER_NODE (flowprobe_l2_node) = {
+ .function = flowprobe_l2_node_fn,
+ .name = "flowprobe-l2",
+ .vector_size = sizeof (u32),
+ .format_trace = format_flowprobe_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN(flowprobe_error_strings),
+ .error_strings = flowprobe_error_strings,
+ .n_next_nodes = FLOWPROBE_N_NEXT,
+ .next_nodes = FLOWPROBE_NEXT_NODES,
+};
+VLIB_REGISTER_NODE (flowprobe_walker_node) = {
+ .function = flowprobe_walker_process,
+ .name = "flowprobe-walker",
+ .type = VLIB_NODE_TYPE_INPUT,
+ .state = VLIB_NODE_STATE_INTERRUPT,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
int rv;
u32 domain_id = 0;
flow_report_main_t *frm = &flow_report_main;
+ u16 template_id;
memset (&args, 0, sizeof (args));
args.rewrite_callback = ioam_template_rewrite;
del ? (args.is_add = 0) : (args.is_add = 1);
args.domain_id = domain_id;
- rv = vnet_flow_report_add_del (frm, &args);
+ rv = vnet_flow_report_add_del (frm, &args, &template_id);
switch (rv)
{
int rv;
u32 domain_id = 0;
flow_report_main_t *frm = &flow_report_main;
+ u16 template_id;
memset (&args, 0, sizeof (args));
args.rewrite_callback = udp_ping_template_rewrite;
args.domain_id = domain_id;
args.src_port = UDP_DST_PORT_ipfix;
- rv = vnet_flow_report_add_del (frm, &args);
+ rv = vnet_flow_report_add_del (frm, &args, &template_id);
switch (rv)
{
a.rewrite_callback = snat_template_rewrite_max_entries_per_usr;
a.flow_data_callback = snat_data_callback_max_entries_per_usr;
- rv = vnet_flow_report_add_del (frm, &a);
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
if (rv)
{
clib_warning ("vnet_flow_report_add_del returned %d", rv);
a.rewrite_callback = snat_template_rewrite_nat44_session;
a.flow_data_callback = snat_data_callback_nat44_session;
- rv = vnet_flow_report_add_del (frm, &a);
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
if (rv)
{
clib_warning ("vnet_flow_report_add_del returned %d", rv);
a.rewrite_callback = snat_template_rewrite_addr_exhausted;
a.flow_data_callback = snat_data_callback_addr_exhausted;
- rv = vnet_flow_report_add_del (frm, &a);
+ rv = vnet_flow_report_add_del (frm, &a, NULL);
if (rv)
{
clib_warning ("vnet_flow_report_add_del returned %d", rv);
args.domain_id = fcm->domain_id;
args.src_port = fcm->src_port;
- rv = vnet_flow_report_add_del (frm, &args);
+ rv = vnet_flow_report_add_del (frm, &args, NULL);
/* If deleting, or add failed */
if (is_add == 0 || (rv && is_add))
if (frm->ipfix_collector.as_u32 == 0
|| frm->src_address.as_u32 == 0)
{
- clib_warning ("no collector: disabling flow collector process");
vlib_node_set_state (frm->vlib_main, flow_report_process_node.index,
VLIB_NODE_STATE_DISABLED);
return -1;
};
int vnet_flow_report_add_del (flow_report_main_t *frm,
- vnet_flow_report_add_del_args_t *a)
+ vnet_flow_report_add_del_args_t *a,
+ u16 *template_id)
{
int i;
int found_index = ~0;
&& fr->flow_data_callback == a->flow_data_callback)
{
found_index = i;
+ if (template_id)
+ *template_id = fr->template_id;
break;
}
}
fr->opaque = a->opaque;
fr->rewrite_callback = a->rewrite_callback;
fr->flow_data_callback = a->flow_data_callback;
-
+
+ if (template_id)
+ *template_id = fr->template_id;
+
return 0;
}
break;
}
- if (collector.as_u32 == 0)
- return clib_error_return (0, "collector address required");
-
- if (src.as_u32 == 0)
+ if (collector.as_u32 != 0 && src.as_u32 == 0)
return clib_error_return (0, "src address required");
if (path_mtu > 1450 /* vpp does not support fragmentation */)
frm->template_interval = template_interval;
frm->udp_checksum = udp_checksum;
- vlib_cli_output (vm, "Collector %U, src address %U, "
+ if (collector.as_u32)
+ vlib_cli_output (vm, "Collector %U, src address %U, "
"fib index %d, path MTU %u, "
"template resend interval %us, "
"udp checksum %s",
format_ip4_address, &frm->src_address,
fib_index, path_mtu, template_interval,
udp_checksum ? "enabled" : "disabled");
+ else
+ vlib_cli_output (vm, "IPFIX Collector is disabled");
/* Turn on the flow reporting process */
vlib_process_signal_event (vm, flow_report_process_node.index,
} vnet_flow_report_add_del_args_t;
int vnet_flow_report_add_del (flow_report_main_t *frm,
- vnet_flow_report_add_del_args_t *a);
+ vnet_flow_report_add_del_args_t *a,
+ u16 *template_id);
clib_error_t * flow_report_add_del_error_to_clib_error (int error);
args.domain_id = fcm->domain_id;
args.src_port = fcm->src_port;
- rv = vnet_flow_report_add_del (frm, &args);
+ rv = vnet_flow_report_add_del (frm, &args, NULL);
error = flow_report_add_del_error_to_clib_error(rv);
ip6_address_t src_address, dst_address;
} ip6_header_t;
+always_inline u8
+ip6_traffic_class (ip6_header_t * i)
+{
+ return (i->ip_version_traffic_class_and_flow_label & 0x0FF00000) >> 20;
+}
+
always_inline void *
ip6_next_header (ip6_header_t * i)
{
from jvppgen import jvpp_c_gen
from jvppgen import util
-blacklist = [ "memclnt.api", "flowperpkt.api" ]
+blacklist = [ "memclnt.api", "flowprobe.api" ]
# Invocation:
# ~/Projects/vpp/vpp-api/jvpp/gen$ mkdir -p java/io/fd/vpp/jvpp && cd java/io/fd/vpp/jvpp
+++ /dev/null
-#!/usr/bin/env python
-
-import unittest
-
-from framework import VppTestCase, VppTestRunner
-
-from scapy.packet import Raw
-from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
-
-
-class TestFlowperpkt(VppTestCase):
- """ Flow-per-packet plugin: test both L2 and IP4 reporting """
-
- def setUp(self):
- """
- Set up
-
- **Config:**
- - create three PG interfaces
- """
- super(TestFlowperpkt, self).setUp()
-
- self.create_pg_interfaces(range(3))
-
- self.pg_if_packet_sizes = [150]
-
- self.interfaces = list(self.pg_interfaces)
-
- for intf in self.interfaces:
- intf.admin_up()
- intf.config_ip4()
- intf.resolve_arp()
-
- def create_stream(self, src_if, dst_if, packet_sizes):
- """Create a packet stream to tickle the plugin
-
- :param VppInterface src_if: Source interface for packet stream
- :param VppInterface src_if: Dst interface for packet stream
- :param list packet_sizes: Sizes to test
- """
- pkts = []
- for size in packet_sizes:
- info = self.create_packet_info(src_if, dst_if)
- payload = self.info_to_payload(info)
- p = (Ether(src=src_if.remote_mac, dst=src_if.local_mac) /
- IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4) /
- UDP(sport=1234, dport=4321) /
- Raw(payload))
- info.data = p.copy()
- self.extend_packet(p, size)
- pkts.append(p)
- return pkts
-
- @staticmethod
- def compare_with_mask(payload, masked_expected_data):
- if len(payload) * 2 != len(masked_expected_data):
- return False
-
- # iterate over pairs: raw byte from payload and ASCII code for that
- # byte from masked payload (or XX if masked)
- for i in range(len(payload)):
- p = payload[i]
- m = masked_expected_data[2 * i:2 * i + 2]
- if m != "XX":
- if "%02x" % ord(p) != m:
- return False
- return True
-
- def verify_ipfix(self, collector_if):
- """Check the ipfix capture"""
- found_data_packet = False
- found_template_packet = False
- found_l2_data_packet = False
- found_l2_template_packet = False
-
- # Scapy, of course, understands ipfix not at all...
- # These data vetted by manual inspection in wireshark
- # X'ed out fields are timestamps, which will absolutely
- # fail to compare.
-
- data_udp_string = "1283128300370000000a002fXXXXXXXX000000000000000101"\
- "00001f0000000100000002ac100102ac10020200XXXXXXXXXXXXXXXX0092"
-
- template_udp_string = "12831283003c0000000a0034XXXXXXXX00000002000000"\
- "010002002401000007000a0004000e000400080004000c000400050001009c00"\
- "0801380002"
-
- l2_data_udp_string = "12831283003c0000000a0034XXXXXXXX000000010000000"\
- "1010100240000000100000002%s02020000ff020008XXXXXXXXXXX"\
- "XXXXX0092" % self.pg1.local_mac.translate(None, ":")
-
- l2_template_udp_string = "12831283003c0000000a0034XXXXXXXX00000002000"\
- "000010002002401010007000a0004000e0004003800060050000601000002009"\
- "c000801380002"
-
- self.logger.info("Look for ipfix packets on %s sw_if_index %d "
- % (collector_if.name, collector_if.sw_if_index))
- # expecting 4 packets on collector interface based on traffic on other
- # interfaces
- capture = collector_if.get_capture(4)
-
- for p in capture:
- ip = p[IP]
- udp = p[UDP]
- self.logger.info("src %s dst %s" % (ip.src, ip.dst))
- self.logger.info(" udp src_port %s dst_port %s"
- % (udp.sport, udp.dport))
-
- payload = str(udp)
-
- if self.compare_with_mask(payload, data_udp_string):
- self.logger.info("found ip4 data packet")
- found_data_packet = True
- elif self.compare_with_mask(payload, template_udp_string):
- self.logger.info("found ip4 template packet")
- found_template_packet = True
- elif self.compare_with_mask(payload, l2_data_udp_string):
- self.logger.info("found l2 data packet")
- found_l2_data_packet = True
- elif self.compare_with_mask(payload, l2_template_udp_string):
- self.logger.info("found l2 template packet")
- found_l2_template_packet = True
- else:
- unmasked_payload = "".join(["%02x" % ord(c) for c in payload])
- self.logger.error("unknown pkt '%s'" % unmasked_payload)
-
- self.assertTrue(found_data_packet, "Data packet not found")
- self.assertTrue(found_template_packet, "Template packet not found")
- self.assertTrue(found_l2_data_packet, "L2 data packet not found")
- self.assertTrue(found_l2_template_packet,
- "L2 template packet not found")
-
- def test_L3_fpp(self):
- """ Flow per packet L3 test """
-
- # Configure an ipfix report on the [nonexistent] collector
- # 172.16.3.2, as if it was connected to the pg2 interface
- # Install a FIB entry, so the exporter's work won't turn into
- # an ARP request
-
- self.pg_enable_capture(self.pg_interfaces)
- self.pg2.configure_ipv4_neighbors()
- self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
- src_address=self.pg2.local_ip4n,
- path_mtu=1450,
- template_interval=1)
-
- # Export flow records for all pkts transmitted on pg1
- self.vapi.cli("flowperpkt feature add-del pg1")
- self.vapi.cli("flowperpkt feature add-del pg1 l2")
-
- # Arrange to minimally trace generated ipfix packets
- self.vapi.cli("trace add flowperpkt-ipv4 10")
- self.vapi.cli("trace add flowperpkt-l2 10")
-
- # Create a stream from pg0 -> pg1, which causes
- # an ipfix packet to be transmitted on pg2
-
- pkts = self.create_stream(self.pg0, self.pg1,
- self.pg_if_packet_sizes)
- self.pg0.add_stream(pkts)
- self.pg_start()
-
- # Flush the ipfix collector, so we don't need any
- # asinine time.sleep(5) action
- self.vapi.cli("ipfix flush")
-
- # Make sure the 4 pkts we expect actually showed up
- self.verify_ipfix(self.pg2)
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)
--- /dev/null
+#!/usr/bin/env python
+import random
+import socket
+import unittest
+import time
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+
+from framework import VppTestCase, VppTestRunner
+from vpp_object import VppObject
+from vpp_pg_interface import CaptureTimeoutError
+from util import ppp
+from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
+
+
+class VppCFLOW(VppObject):
+ """CFLOW object for IPFIX exporter and Flowprobe feature"""
+
+ def __init__(self, test, intf='pg2', active=0, passive=0, timeout=300,
+ mtu=512, datapath='l2', layer='l2 l3 l4'):
+ self._test = test
+ self._intf = intf
+ self._active = active
+ if passive == 0 or passive < active:
+ self._passive = active+5
+ else:
+ self._passive = passive
+ self._datapath = datapath # l2 ip4 ip6
+ self._collect = layer # l2 l3 l4
+ self._timeout = timeout
+ self._mtu = mtu
+ self._configured = False
+
+ def add_vpp_config(self):
+ self.enable_exporter()
+ self._test.vapi.ppcli("flowprobe params record %s active %s "
+ "passive %s" % (self._collect, self._active,
+ self._passive))
+ self.enable_flowprobe_feature()
+ self._test.vapi.cli("ipfix flush")
+ self._configured = True
+
+ def remove_vpp_config(self):
+ self.disable_exporter()
+ self.disable_flowprobe_feature()
+ self._test.vapi.cli("ipfix flush")
+ self._configured = False
+
+ def enable_exporter(self):
+ self._test.vapi.set_ipfix_exporter(
+ collector_address=self._test.pg0.remote_ip4n,
+ src_address=self._test.pg0.local_ip4n,
+ path_mtu=self._mtu,
+ template_interval=self._timeout)
+
+ def enable_flowprobe_feature(self):
+ self._test.vapi.ppcli("flowprobe feature add-del %s %s" %
+ (self._intf, self._datapath))
+
+ def disable_exporter(self):
+ self._test.vapi.cli("set ipfix exporter collector 0.0.0.0")
+
+ def disable_flowprobe_feature(self):
+ self._test.vapi.cli("flowprobe feature add-del %s %s disable" %
+ (self._intf, self._datapath))
+
+ def object_id(self):
+ return "ipfix-collector-%s" % (self._src, self.dst)
+
+ def query_vpp_config(self):
+ return self._configured
+
+ def verify_templates(self, decoder=None, timeout=1, count=3):
+ templates = []
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ if count > 1:
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ if count > 2:
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ return templates
+
+
+class MethodHolder(VppTestCase):
+ """ Flow-per-packet plugin: test L2, IP4, IP6 reporting """
+
+ # Test variables
+ debug_print = False
+ max_number_of_packets = 16
+ pkts = []
+
+ @classmethod
+ def setUpClass(cls):
+ """
+ Perform standard class setup (defined by class method setUpClass in
+ class VppTestCase) before running the test case, set test case related
+ variables and configure VPP.
+ """
+ super(MethodHolder, cls).setUpClass()
+ try:
+ # Create pg interfaces
+ cls.create_pg_interfaces(range(7))
+
+ # Packet sizes
+ cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
+
+ # Create BD with MAC learning and unknown unicast flooding disabled
+ # and put interfaces to this BD
+ cls.vapi.bridge_domain_add_del(bd_id=1, uu_flood=1, learn=1)
+ cls.vapi.sw_interface_set_l2_bridge(cls.pg1._sw_if_index, bd_id=1)
+ cls.vapi.sw_interface_set_l2_bridge(cls.pg2._sw_if_index, bd_id=1)
+
+ # Set up all interfaces
+ for i in cls.pg_interfaces:
+ i.admin_up()
+
+ cls.pg0.config_ip4()
+ cls.pg0.configure_ipv4_neighbors()
+ cls.collector = cls.pg0
+
+ cls.pg1.config_ip4()
+ cls.pg1.resolve_arp()
+ cls.pg2.config_ip4()
+ cls.pg2.resolve_arp()
+ cls.pg3.config_ip4()
+ cls.pg3.resolve_arp()
+ cls.pg4.config_ip4()
+ cls.pg4.resolve_arp()
+
+ cls.pg5.config_ip6()
+ cls.pg5.resolve_ndp()
+ cls.pg5.disable_ipv6_ra()
+ cls.pg6.config_ip6()
+ cls.pg6.resolve_ndp()
+ cls.pg6.disable_ipv6_ra()
+ except Exception:
+ super(MethodHolder, cls).tearDownClass()
+ raise
+
+ def create_stream(self, src_if=None, dst_if=None, packets=None,
+ size=None, ip_ver='v4'):
+ """Create a packet stream to tickle the plugin
+
+ :param VppInterface src_if: Source interface for packet stream
+ :param VppInterface src_if: Dst interface for packet stream
+ """
+ if src_if is None:
+ src_if = self.pg1
+ if dst_if is None:
+ dst_if = self.pg2
+ self.pkts = []
+ if packets is None:
+ packets = random.randint(1, self.max_number_of_packets)
+ pkt_size = size
+ for p in range(0, packets):
+ if size is None:
+ pkt_size = random.choice(self.pg_if_packet_sizes)
+ info = self.create_packet_info(src_if, dst_if)
+ payload = self.info_to_payload(info)
+ p = Ether(src=src_if.remote_mac, dst=src_if.local_mac)
+ if ip_ver == 'v4':
+ p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4)
+ else:
+ p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
+ p /= (UDP(sport=1234, dport=4321) / Raw(payload))
+ info.data = p.copy()
+ self.extend_packet(p, pkt_size)
+ self.pkts.append(p)
+
+ def verify_cflow_data(self, decoder, capture, cflow):
+ octets = 0
+ packets = 0
+ for p in capture:
+ octets += p[IP].len
+ packets += 1
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ for record in data:
+ self.assertEqual(int(record[1].encode('hex'), 16), octets)
+ self.assertEqual(int(record[2].encode('hex'), 16), packets)
+
+ def verify_cflow_data_detail(self, decoder, capture, cflow,
+ data_set={1: 'octets', 2: 'packets'},
+ ip_ver='v4'):
+ if self.debug_print:
+ print capture[0].show()
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ if self.debug_print:
+ print data
+ if ip_ver == 'v4':
+ ip_layer = capture[0][IP]
+ else:
+ ip_layer = capture[0][IPv6]
+ if data_set is not None:
+ for record in data:
+ # skip flow if in/out gress interface is 0
+ if int(record[10].encode('hex'), 16) == 0:
+ continue
+ if int(record[14].encode('hex'), 16) == 0:
+ continue
+
+ for field in data_set:
+ if field not in record.keys():
+ continue
+ value = data_set[field]
+ if value == 'octets':
+ value = ip_layer.len
+ if ip_ver == 'v6':
+ value += 40 # ??? is this correct
+ elif value == 'packets':
+ value = 1
+ elif value == 'src_ip':
+ if ip_ver == 'v4':
+ ip = socket.inet_pton(socket.AF_INET,
+ ip_layer.src)
+ else:
+ ip = socket.inet_pton(socket.AF_INET6,
+ ip_layer.src)
+ value = int(ip.encode('hex'), 16)
+ elif value == 'dst_ip':
+ if ip_ver == 'v4':
+ ip = socket.inet_pton(socket.AF_INET,
+ ip_layer.dst)
+ else:
+ ip = socket.inet_pton(socket.AF_INET6,
+ ip_layer.dst)
+ value = int(ip.encode('hex'), 16)
+ elif value == 'sport':
+ value = int(capture[0][UDP].sport)
+ elif value == 'dport':
+ value = int(capture[0][UDP].dport)
+ self.assertEqual(int(record[field].encode('hex'), 16),
+ value)
+
+ def verify_cflow_data_notimer(self, decoder, capture, cflows):
+ idx = 0
+ for cflow in cflows:
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ else:
+ raise Exception("No CFLOW data")
+
+ for rec in data:
+ p = capture[idx]
+ idx += 1
+ self.assertEqual(p[IP].len, int(rec[1].encode('hex'), 16))
+ self.assertEqual(1, int(rec[2].encode('hex'), 16))
+ self.assertEqual(len(capture), idx)
+
+ def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1,
+ expected=True):
+ """ wait for CFLOW packet and verify its correctness
+
+ :param timeout: how long to wait
+
+ :returns: tuple (packet, time spent waiting for packet)
+ """
+ self.logger.info("IPFIX: Waiting for CFLOW packet")
+ deadline = time.time() + timeout
+ counter = 0
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ while True:
+ counter += 1
+ # sanity check
+ self.assert_in_range(counter, 0, 100, "number of packets ignored")
+ time_left = deadline - time.time()
+ try:
+ if time_left < 0 and expected:
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ raise CaptureTimeoutError(
+ "Packet did not arrive within timeout")
+ p = collector_intf.wait_for_packet(timeout=time_left)
+ except CaptureTimeoutError:
+ if expected:
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ raise CaptureTimeoutError(
+ "Packet did not arrive within timeout")
+ else:
+ return
+ if not expected:
+ raise CaptureTimeoutError("Packet arrived even not expected")
+ self.assertEqual(p[Set].setID, set_id)
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ self.logger.debug(ppp("IPFIX: Got packet:", p))
+ break
+ return p
+
+ def send_packets(self, src_if=None, dst_if=None):
+ self.sleep(3)
+ if src_if is None:
+ src_if = self.pg1
+ if dst_if is None:
+ dst_if = self.pg2
+ self.pg_enable_capture([dst_if])
+ src_if.add_stream(self.pkts)
+ self.pg_start()
+ return dst_if.get_capture(len(self.pkts))
+
+
+class TestFFP_Timers(MethodHolder):
+ """Template verification, timer tests"""
+
+ def test_0001(self):
+ """ receive template data packets"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ ipfix.verify_templates(timeout=3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ timer=10s, less than template timeout"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=20)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 39)
+ self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_0003(self):
+ """ timer=30s, greater than template timeout"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, timeout=20, active=25)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ ipfix.verify_templates(timeout=3)
+
+ self.create_stream()
+ capture = self.send_packets()
+
+ # next set of template packet should arrive after 20 seconds
+ # template packet should arrive within 20 s
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=25)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 55)
+ self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+ def test_0004(self):
+ """ sent packet after first cflow packet arrived"""
+ self.logger.info("FFP_TEST_START_0004")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=20)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 39)
+
+ self.pg_enable_capture([self.pg2])
+
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0004")
+
+
+class TestFFP_DatapathL2(MethodHolder):
+ """collect information on Ethernet datapath"""
+
+ def test_0000(self):
+ """ verify template on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ ipfix.verify_templates(timeout=3, count=3)
+ self.collector.get_capture(3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_0001(self):
+ """ L2 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10, layer='l2')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 8})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ L3 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10, layer='l3')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 4: 17,
+ 8: 'src_ip', 12: 'dst_ip'})
+
+ # expected one template and one cflow packet
+ self.collector.get_capture(3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_0003(self):
+ """ L4 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10, layer='l4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=2)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'})
+
+ # expected one template and one cflow packet
+ self.collector.get_capture(3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+
+class TestFFP_DatapathIP4(MethodHolder):
+ """collect information on IP4 datapath"""
+
+ def test_0000(self):
+ """ verify templates on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, active=10, datapath='ip4')
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ ipfix.verify_templates(timeout=3, count=1)
+ self.collector.get_capture(1)
+
+ ipfix.remove_vpp_config()
+
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_0001(self):
+ """ L2 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', active=10,
+ layer='l2', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 8})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ L3 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', active=10,
+ layer='l3', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {1: 'octets', 2: 'packets',
+ 8: 'src_ip', 12: 'dst_ip'})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_0003(self):
+ """ L4 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', active=10,
+ layer='l4', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+
+class TestFFP_DatapathIP6(MethodHolder):
+ """collect information on IP6 datapath"""
+
+ def test_0000(self):
+ """ verify templates on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, active=10, datapath='ip6')
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ ipfix.verify_templates(timeout=3, count=1)
+ self.collector.get_capture(1)
+
+ ipfix.remove_vpp_config()
+
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_0001(self):
+ """ L2 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', active=20,
+ layer='l2', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 56710},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ L3 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', active=10,
+ layer='l3', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets',
+ 27: 'src_ip', 28: 'dst_ip'},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_0003(self):
+ """ L4 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', active=10,
+ layer='l4', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 39)
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+
+class TestFFP_NoTimers(MethodHolder):
+ """No timers"""
+
+ def test_0001(self):
+ """ no timers, one CFLOW packet, 9 Flows inside"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=0)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream(packets=9)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 10)
+ self.verify_cflow_data_notimer(ipfix_decoder, capture, [cflow])
+ self.wait_for_cflow_packet(self.collector, templates[1], 10,
+ expected=False)
+ self.collector.get_capture(4)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ no timers, two CFLOW packets (mtu=256), 3 Flows in each"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=0, mtu=256)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream(packets=6)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflows = []
+ cflows.append(self.wait_for_cflow_packet(self.collector,
+ templates[1], 10))
+ cflows.append(self.wait_for_cflow_packet(self.collector,
+ templates[1], 10))
+ self.verify_cflow_data_notimer(ipfix_decoder, capture, cflows)
+ self.collector.get_capture(5)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+
+class TestFFP_DisableIPFIX(MethodHolder):
+ """Disable IPFIX"""
+
+ def test_0001(self):
+ """ disable IPFIX after first packets"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=30)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ # disble IPFIX
+ ipfix.disable_exporter()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in 1 minute
+ self.wait_for_cflow_packet(self.collector, templates[1], 30,
+ expected=False)
+ self.collector.get_capture(0)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+class TestFFP_ReenableIPFIX(MethodHolder):
+ """Re-enable IPFIX"""
+
+ def test_0001(self):
+ """ disable IPFIX after first packets and re-enable after few packets
+ """
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ # disble IPFIX
+ ipfix.disable_exporter()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.wait_for_cflow_packet(self.collector, templates[1], 30,
+ expected=False)
+ self.collector.get_capture(0)
+
+ # enable IPFIX
+ ipfix.enable_exporter()
+ self.vapi.cli("ipfix flush")
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.send_packets()
+
+ # make sure the next packets (templates and data) we expect actually
+ # showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+class TestFFP_DisableFFP(MethodHolder):
+ """Disable Flowprobe feature"""
+
+ def test_0001(self):
+ """ disable flowprobe feature after first packets"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ # disble IPFIX
+ ipfix.disable_flowprobe_feature()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.wait_for_cflow_packet(self.collector, templates[1], 30,
+ expected=False)
+ self.collector.get_capture(0)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+class TestFFP_ReenableFFP(MethodHolder):
+ """Re-enable Flowprobe feature"""
+
+ def test_0001(self):
+ """ disable flowprobe feature after first packets and re-enable
+ after few packets """
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=10)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ # disble FPP feature
+ ipfix.disable_flowprobe_feature()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.wait_for_cflow_packet(self.collector, templates[1], 30,
+ expected=False)
+ self.collector.get_capture(0)
+
+ # enable FPP feature
+ ipfix.enable_flowprobe_feature()
+ self.vapi.cli("ipfix flush")
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.send_packets()
+
+ # make sure the next packets (templates and data) we expect actually
+ # showed up
+ self.wait_for_cflow_packet(self.collector, templates[1], 30)
+ self.collector.get_capture(4)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / commitdiff