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Diffstat (limited to 'src/plugins/flowprobe/flowprobe.h')
| -rw-r--r-- | src/plugins/flowprobe/flowprobe.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/plugins/flowprobe/flowprobe.h b/src/plugins/flowprobe/flowprobe.h new file mode 100644 index 00000000..02ee053c --- /dev/null +++ b/src/plugins/flowprobe/flowprobe.h @@ -0,0 +1,174 @@ +/* + * 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; + +/* *INDENT-OFF* */ +typedef struct __attribute__ ((aligned (8))) { + 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; +} flowprobe_key_t; +/* *INDENT-ON* */ + +typedef struct +{ + u32 sec; + u32 nsec; +} timestamp_nsec_t; + +typedef struct +{ + flowprobe_key_t key; + u64 packetcount; + u64 octetcount; + timestamp_nsec_t flow_start; + timestamp_nsec_t flow_end; + f64 last_updated; + f64 last_exported; + u32 passive_timer_handle; + union + { + struct + { + u16 flags; + } tcp; + } prot; +} 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: + */ |