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/*
* 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_flow_report_classify_h__
#define __included_flow_report_classify_h__
#define foreach_ipfix_ip4_field \
_(ip->src_address.as_u32, ((u32[]){0xFFFFFFFF}), sourceIPv4Address, 4) \
_(ip->dst_address.as_u32, ((u32[]){0xFFFFFFFF}), destinationIPv4Address, 4) \
_(ip->protocol, ((u8[]){0xFF}), protocolIdentifier, 1)
#define foreach_ipfix_ip6_field \
_(ip6->src_address.as_u8, \
((u32[]){0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF}), \
sourceIPv6Address, 16) \
_(ip6->dst_address.as_u8, \
((u32[]){0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF}), \
destinationIPv6Address, 16) \
_(ip6->protocol, ((u8[]){0xFF}), protocolIdentifier, 1)
#define foreach_ipfix_tcpudp_field \
_(tcpudp->src_port, ((u16[]){0xFFFF}), sourceTransportPort, 2) \
_(tcpudp->dst_port, ((u16[]){0xFFFF}), destinationTransportPort, 2)
#define foreach_ipfix_tcp_field \
_(tcpudp->src_port, ((u16[]){0xFFFF}), tcpSourcePort, 2) \
_(tcpudp->dst_port, ((u16[]){0xFFFF}), tcpDestinationPort, 2)
#define foreach_ipfix_udp_field \
_(tcpudp->src_port, ((u16[]){0xFFFF}), udpSourcePort, 2) \
_(tcpudp->dst_port, ((u16[]){0xFFFF}), udpDestinationPort, 2)
#define foreach_ipfix_transport_protocol_field \
switch (transport_protocol) { \
case 255: \
foreach_ipfix_tcpudp_field; \
break; \
case 6: \
foreach_ipfix_tcp_field; \
break; \
case 17: \
foreach_ipfix_udp_field; \
break; \
}
#define foreach_ipfix_field \
if (ip_version == 4) { \
ip = (ip4_header_t *)ip_start; \
tcpudp = (tcpudp_header_t *)(ip+1); \
foreach_ipfix_ip4_field; \
} else { \
ip6 = (ip6_header_t *)ip_start; \
tcpudp = (tcpudp_header_t *)(ip6+1); \
foreach_ipfix_ip6_field; \
} \
foreach_ipfix_transport_protocol_field
typedef struct
{
u32 classify_table_index;
u8 ip_version;
u8 transport_protocol;
} ipfix_classify_table_t;
typedef struct
{
u32 domain_id;
u16 src_port;
ipfix_classify_table_t *tables;
} flow_report_classify_main_t;
extern flow_report_classify_main_t flow_report_classify_main;
static_always_inline u8
ipfix_classify_table_index_valid (u32 index)
{
flow_report_classify_main_t *fcm = &flow_report_classify_main;
return index < vec_len (fcm->tables) &&
fcm->tables[index].classify_table_index != ~0;
}
static_always_inline ipfix_classify_table_t *
ipfix_classify_add_table (void)
{
flow_report_classify_main_t *fcm = &flow_report_classify_main;
u32 i;
for (i = 0; i < vec_len (fcm->tables); i++)
if (!ipfix_classify_table_index_valid (i))
return &fcm->tables[i];
u32 index = vec_len (fcm->tables);
vec_validate (fcm->tables, index);
return &fcm->tables[index];
}
static_always_inline void
ipfix_classify_delete_table (u32 index)
{
flow_report_classify_main_t *fcm = &flow_report_classify_main;
ASSERT (index < vec_len (fcm->tables));
ASSERT (fcm->tables[index].classify_table_index != ~0);
fcm->tables[index].classify_table_index = ~0;
}
u8 *ipfix_classify_template_rewrite (ipfix_exporter_t *exp, flow_report_t *fr,
ip4_address_t *collector_address,
ip4_address_t *src_address,
u16 collector_port,
ipfix_report_element_t *elts, u32 n_elts,
u32 *stream_index);
vlib_frame_t *ipfix_classify_send_flows (flow_report_main_t *frm,
ipfix_exporter_t *exp,
flow_report_t *fr, vlib_frame_t *f,
u32 *to_next, u32 node_index);
#endif /* __included_flow_report_classify_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
