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Diffstat (limited to 'src/vnet/ipfix-export/flow_report.h')
-rw-r--r-- | src/vnet/ipfix-export/flow_report.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/vnet/ipfix-export/flow_report.h b/src/vnet/ipfix-export/flow_report.h new file mode 100644 index 00000000000..b45ce06a880 --- /dev/null +++ b/src/vnet/ipfix-export/flow_report.h @@ -0,0 +1,159 @@ +/* + * Copyright (c) 2015 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef __included_vnet_flow_report_h__ +#define __included_vnet_flow_report_h__ + +#include <vlib/vlib.h> +#include <vnet/vnet.h> +#include <vnet/pg/pg.h> +#include <vnet/ethernet/ethernet.h> +#include <vnet/ethernet/packet.h> +#include <vnet/ip/ip_packet.h> +#include <vnet/ip/ip4_packet.h> +#include <vnet/ip/ip6_packet.h> +#include <vnet/udp/udp.h> +#include <vlib/cli.h> +#include <vppinfra/error.h> +#include <vppinfra/hash.h> +#include <vppinfra/cache.h> + +#include <vnet/ipfix-export/ipfix_packet.h> + +/* Used to build the rewrite */ +typedef struct +{ + ip4_header_t ip4; + udp_header_t udp; + ipfix_template_packet_t ipfix; +} ip4_ipfix_template_packet_t; + +struct flow_report_main; +struct flow_report; + +typedef u8 *(vnet_flow_rewrite_callback_t) (struct flow_report_main *, + struct flow_report *, + ip4_address_t *, + ip4_address_t *, u16); + +typedef vlib_frame_t *(vnet_flow_data_callback_t) (struct flow_report_main *, + struct flow_report *, + vlib_frame_t *, u32 *, + u32); + +typedef union +{ + void *as_ptr; + uword as_uword; +} opaque_t; + +typedef struct +{ + u32 domain_id; + u32 sequence_number; + u16 src_port; + u16 n_reports; + u16 next_template_no; +} flow_report_stream_t; + +typedef struct flow_report +{ + /* ipfix rewrite, set by callback */ + u8 *rewrite; + u16 template_id; + u32 stream_index; + f64 last_template_sent; + int update_rewrite; + + /* Bitmap of fields to send */ + uword *fields_to_send; + + /* Opaque data */ + opaque_t opaque; + + /* build-the-rewrite callback */ + vnet_flow_rewrite_callback_t *rewrite_callback; + + /* Send-flow-data callback */ + vnet_flow_data_callback_t *flow_data_callback; +} flow_report_t; + +typedef struct flow_report_main +{ + flow_report_t *reports; + flow_report_stream_t *streams; + + /* ipfix collector ip address, port, our ip address, fib index */ + ip4_address_t ipfix_collector; + u16 collector_port; + ip4_address_t src_address; + u32 fib_index; + + /* Path MTU */ + u32 path_mtu; + + /* time interval in seconds after which to resend templates */ + u32 template_interval; + + /* UDP checksum calculation enable flag */ + u8 udp_checksum; + + /* time scale transform. Joy. */ + u32 unix_time_0; + f64 vlib_time_0; + + /* convenience variables */ + vlib_main_t *vlib_main; + vnet_main_t *vnet_main; +} flow_report_main_t; + +extern flow_report_main_t flow_report_main; + +extern vlib_node_registration_t flow_report_process_node; + +int vnet_flow_report_enable_disable (u32 sw_if_index, u32 table_index, + int enable_disable); +typedef struct +{ + vnet_flow_data_callback_t *flow_data_callback; + vnet_flow_rewrite_callback_t *rewrite_callback; + opaque_t opaque; + int is_add; + u32 domain_id; + u16 src_port; +} 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, + u16 * template_id); + +clib_error_t *flow_report_add_del_error_to_clib_error (int error); + +void vnet_flow_reports_reset (flow_report_main_t * frm); + +void vnet_stream_reset (flow_report_main_t * frm, u32 stream_index); + +int vnet_stream_change (flow_report_main_t * frm, + u32 old_domain_id, u16 old_src_port, + u32 new_domain_id, u16 new_src_port); + +#endif /* __included_vnet_flow_report_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |