diff options
author | Juraj Sloboda <jsloboda@cisco.com> | 2016-08-07 23:43:42 -0700 |
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committer | Damjan Marion <dmarion.lists@gmail.com> | 2016-09-07 07:35:50 +0000 |
commit | ffa652afd8847438af4d0bdc253789a67a4f1da1 (patch) | |
tree | 015e35fab6437930af127a16b4db68ff7dc0b4bb /vnet/vnet/flow/flow_report_classify.h | |
parent | d4798a394a337ad11c306309bb68611251b4e593 (diff) |
VPP-204 Rework and finish IPFIX implementation
Rework flow report registration system - add streams
Add support for IPv6 and src and dst ports for TCP and UDP protocols
Implement binary API for IPFIX classifier module
Change-Id: Id05cc0127a7b95ceaeebf9c79a32c6936449bd63
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
Diffstat (limited to 'vnet/vnet/flow/flow_report_classify.h')
-rw-r--r-- | vnet/vnet/flow/flow_report_classify.h | 110 |
1 files changed, 103 insertions, 7 deletions
diff --git a/vnet/vnet/flow/flow_report_classify.h b/vnet/vnet/flow/flow_report_classify.h index c72ef0eb301..77d98b586ca 100644 --- a/vnet/vnet/flow/flow_report_classify.h +++ b/vnet/vnet/flow/flow_report_classify.h @@ -15,12 +15,108 @@ #ifndef __included_flow_report_classify_h__ #define __included_flow_report_classify_h__ -/* Note: add +2 to udp (src,dst) port enum values to get TCP values */ -#define foreach_ipfix_field \ -_(ip->src_address.as_u32, 0xffffffff, sourceIPv4Address, 4) \ -_(ip->dst_address.as_u32, 0xffffffff, destinationIPv4Address, 4) \ -_(ip->protocol, 0xFF, protocolIdentifier, 1) \ -_(udp->src_port, 0xFFFF, udpSourcePort, 2) \ -_(udp->dst_port, 0xFFFF, udpDestinationPort, 2) +#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 (flow_report_main_t * frm, + flow_report_t * fr, + ip4_address_t * collector_address, + ip4_address_t * src_address, + u16 collector_port); + +vlib_frame_t * ipfix_classify_send_flows (flow_report_main_t * frm, + flow_report_t * fr, + vlib_frame_t * f, + u32 * to_next, + u32 node_index); #endif /* __included_flow_report_classify_h__ */ |