diff options
Diffstat (limited to 'src/vnet/ipfix-export/flow_api.c')
-rw-r--r-- | src/vnet/ipfix-export/flow_api.c | 81 |
1 files changed, 77 insertions, 4 deletions
diff --git a/src/vnet/ipfix-export/flow_api.c b/src/vnet/ipfix-export/flow_api.c index dc163fe1e0a..47e1d1103a2 100644 --- a/src/vnet/ipfix-export/flow_api.c +++ b/src/vnet/ipfix-export/flow_api.c @@ -36,15 +36,39 @@ #define REPLY_MSG_ID_BASE frm->msg_id_base #include <vlibapi/api_helper_macros.h> +ipfix_exporter_t * +vnet_ipfix_exporter_lookup (ip4_address_t *ipfix_collector) +{ + flow_report_main_t *frm = &flow_report_main; + ipfix_exporter_t *exp; + + pool_foreach (exp, frm->exporters) + { + if (exp->ipfix_collector.as_u32 == ipfix_collector->as_u32) + return exp; + } + + return NULL; +} + +/* + * For backwards compatibility reasons index 0 in the set of exporters + * is alwyas used for the exporter created via the set_ipfix_exporter + * API. + */ +#define USE_INDEX_0 true +#define USE_ANY_INDEX false + static int vl_api_set_ipfix_exporter_t_internal ( u32 client_index, vl_api_address_t *mp_collector_address, u16 mp_collector_port, vl_api_address_t *mp_src_address, u32 mp_vrf_id, - u32 mp_path_mtu, u32 mp_template_interval, bool mp_udp_checksum) + u32 mp_path_mtu, u32 mp_template_interval, bool mp_udp_checksum, + bool use_index_0, bool is_create) { vlib_main_t *vm = vlib_get_main (); flow_report_main_t *frm = &flow_report_main; - ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0); + ipfix_exporter_t *exp; vl_api_registration_t *reg; ip4_address_t collector, src; u16 collector_port = UDP_DST_PORT_ipfix; @@ -58,13 +82,48 @@ vl_api_set_ipfix_exporter_t_internal ( if (!reg) return VNET_API_ERROR_UNIMPLEMENTED; + /* Collector address is the key for the exporter lookup */ + ip4_address_decode (mp_collector_address->un.ip4, &collector); + + if (use_index_0) + /* + * In this case we update the existing exporter. There is no delete + * for exp[0] + */ + exp = &frm->exporters[0]; + else + { + if (is_create) + { + exp = vnet_ipfix_exporter_lookup (&collector); + if (!exp) + { + /* Create a new exporter instead of updating an existing one */ + if (pool_elts (frm->exporters) >= IPFIX_EXPORTERS_MAX) + return VNET_API_ERROR_INVALID_VALUE; + pool_get (frm->exporters, exp); + if (!exp) + return VNET_API_ERROR_INVALID_VALUE; + } + } + else + { + /* Delete the exporter */ + exp = vnet_ipfix_exporter_lookup (&collector); + if (!exp) + return VNET_API_ERROR_NO_SUCH_ENTRY; + + pool_put (frm->exporters, exp); + return 0; + } + } + if (mp_src_address->af == ADDRESS_IP6 || mp_collector_address->af == ADDRESS_IP6) { return VNET_API_ERROR_UNIMPLEMENTED; } - ip4_address_decode (mp_collector_address->un.ip4, &collector); collector_port = ntohs (mp_collector_port); if (collector_port == (u16) ~ 0) collector_port = UDP_DST_PORT_ipfix; @@ -129,12 +188,26 @@ vl_api_set_ipfix_exporter_t_handler (vl_api_set_ipfix_exporter_t *mp) int rv = vl_api_set_ipfix_exporter_t_internal ( mp->client_index, &mp->collector_address, mp->collector_port, &mp->src_address, mp->vrf_id, mp->path_mtu, mp->template_interval, - mp->udp_checksum); + mp->udp_checksum, USE_INDEX_0, 0); REPLY_MACRO (VL_API_SET_IPFIX_EXPORTER_REPLY); } static void +vl_api_ipfix_exporter_create_delete_t_handler ( + vl_api_ipfix_exporter_create_delete_t *mp) +{ + vl_api_ipfix_exporter_create_delete_reply_t *rmp; + flow_report_main_t *frm = &flow_report_main; + int rv = vl_api_set_ipfix_exporter_t_internal ( + mp->client_index, &mp->collector_address, mp->collector_port, + &mp->src_address, mp->vrf_id, mp->path_mtu, mp->template_interval, + mp->udp_checksum, USE_ANY_INDEX, mp->is_create); + + REPLY_MACRO (VL_API_IPFIX_EXPORTER_CREATE_DELETE_REPLY); +} + +static void vl_api_ipfix_exporter_dump_t_handler (vl_api_ipfix_exporter_dump_t * mp) { flow_report_main_t *frm = &flow_report_main; |