src/plugins/snort/daq_vpp.h

   1 /* SPDX-License-Identifier: Apache-2.0
   2  * Copyright(c) 2021 Cisco Systems, Inc.
   3  */
   4
   5 #ifndef __DAQ_VPP_H__
   6 #define __DAQ_VPP_H__
   7
   8 #include <stdint.h>
   9
  10 #define DAQ_VPP_DEFAULT_SOCKET_FILE "snort.sock"
  11 #define DAQ_VPP_DEFAULT_SOCKET_PATH "/run/vpp/" DAQ_VPP_DEFAULT_SOCKET_FILE
  12 #define DAQ_VPP_INST_NAME_LEN       32
  13
  14 typedef enum memif_msg_type
  15 {
  16   DAQ_VPP_MSG_TYPE_NONE = 0,
  17   DAQ_VPP_MSG_TYPE_HELLO = 1,
  18   DAQ_VPP_MSG_TYPE_CONFIG = 2,
  19   DAQ_VPP_MSG_TYPE_BPOOL = 3,
  20   DAQ_VPP_MSG_TYPE_QPAIR = 4,
  21 } daq_vpp_msg_type_t;
  22
  23 typedef struct
  24 {
  25   char inst_name[DAQ_VPP_INST_NAME_LEN];
  26 } daq_vpp_msg_hello_t;
  27
  28 typedef struct
  29 {
  30   uint32_t shm_size;
  31   uint16_t num_bpools;
  32   uint16_t num_qpairs;
  33 } daq_vpp_msg_config_t;
  34
  35 typedef struct
  36 {
  37   uint32_t size;
  38 } daq_vpp_msg_bpool_t;
  39
  40 typedef struct
  41 {
  42   uint8_t log2_queue_size;
  43   uint32_t desc_table_offset;
  44   uint32_t enq_head_offset;
  45   uint32_t deq_head_offset;
  46   uint32_t enq_ring_offset;
  47   uint32_t deq_ring_offset;
  48 } daq_vpp_msg_qpair_t;
  49
  50 typedef struct
  51 {
  52   daq_vpp_msg_type_t type : 8;
  53   union
  54   {
  55     daq_vpp_msg_hello_t hello;
  56     daq_vpp_msg_config_t config;
  57     daq_vpp_msg_bpool_t bpool;
  58     daq_vpp_msg_qpair_t qpair;
  59   };
  60 } daq_vpp_msg_t;
  61
  62 typedef enum
  63 {
  64   DAQ_VPP_ACTION_DROP,
  65   DAQ_VPP_ACTION_FORWARD,
  66 } daq_vpp_action_t;
  67
  68 typedef struct
  69 {
  70   uint32_t offset;
  71   uint16_t length;
  72   uint16_t address_space_id;
  73   uint8_t buffer_pool;
  74   daq_vpp_action_t action : 8;
  75 } daq_vpp_desc_t;
  76
  77 #endif /* __DAQ_VPP_H__ */