src/plugins/dhcp/dhcp6_ia_na_client_dp.h

   1 /*
   2  * Copyright (c) 2018 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #ifndef included_vnet_dhcp6_client_dp_h
  17 #define included_vnet_dhcp6_client_dp_h
  18
  19 #include <stdbool.h>
  20
  21 #include <dhcp/dhcp6_client_common_dp.h>
  22
  23 typedef struct
  24 {
  25   u32 preferred_lt;
  26   u32 valid_lt;
  27   ip6_address_t address;
  28 } dhcp6_send_client_message_params_address_t;
  29
  30 typedef struct
  31 {
  32   u32 sw_if_index;
  33   u32 server_index;
  34   u32 irt;
  35   u32 mrt;
  36   u32 mrc;
  37   u32 mrd;
  38   u8 msg_type;
  39   u32 T1;
  40   u32 T2;
  41   dhcp6_send_client_message_params_address_t *addresses;
  42 } dhcp6_send_client_message_params_t;
  43
  44 typedef struct
  45 {
  46   u8 entry_valid;
  47   u8 keep_sending_client_message;       /* when true then next fields are valid */
  48   dhcp6_send_client_message_params_t params;
  49   f64 transaction_start;
  50   f64 sleep_interval;
  51   f64 due_time;
  52   u32 n_left;
  53   f64 start_time;
  54   u32 transaction_id;
  55   vlib_buffer_t *buffer;
  56   u32 elapsed_pos;
  57   u32 adj_index;
  58 } dhcp6_ia_na_client_state_t;
  59
  60 typedef struct
  61 {
  62   dhcp6_ia_na_client_state_t *client_state_by_sw_if_index;
  63
  64   uword publisher_node;
  65   uword publisher_et;
  66
  67   u32 seed;
  68
  69   /* convenience */
  70   vlib_main_t *vlib_main;
  71   vnet_main_t *vnet_main;
  72 } dhcp6_ia_na_client_main_t;
  73
  74 extern dhcp6_ia_na_client_main_t dhcp6_ia_na_client_main;
  75
  76 typedef struct
  77 {
  78   ip6_address_t address;
  79   u32 valid_time;
  80   u32 preferred_time;
  81   u16 status_code;
  82 } dhcp6_address_info_t;
  83
  84 typedef struct
  85 {
  86   dhcp6_report_common_t body;
  87   u32 n_addresses;
  88   dhcp6_address_info_t *addresses;
  89 } address_report_t;
  90
  91 void dhcp6_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
  92                                 dhcp6_send_client_message_params_t * params);
  93 void dhcp6_set_publisher_node (uword node_index, uword event_type);
  94 int dhcp6_publish_report (address_report_t * r);
  95 int dhcp6_client_enable_disable (u32 sw_if_index, u8 enable);
  96
  97 extern vlib_node_registration_t dhcp6_reply_process_node;
  98
  99 enum
 100 { DHCP6_DP_REPLY_REPORT, DHCP6_DP_REPORT_MAX };
 101
 102 #include <dhcp/dhcp.api_types.h>
 103
 104 typedef struct _vnet_dhcp6_reply_function_list_elt
 105 {
 106   struct _vnet_dhcp6_reply_function_list_elt *next_dhcp6_reply_event_function;
 107   clib_error_t *(*fp) (vl_api_dhcp6_reply_event_t * mp);
 108 } _vnet_dhcp6_reply_event_function_list_elt_t;
 109
 110 typedef struct
 111 {
 112   _vnet_dhcp6_reply_event_function_list_elt_t *functions;
 113 } dhcp6_ia_na_client_public_main_t;
 114
 115 extern dhcp6_ia_na_client_public_main_t dhcp6_ia_na_client_public_main;
 116
 117 #define VNET_DHCP6_REPLY_EVENT_FUNCTION(f)                                \
 118                                                                           \
 119 static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
 120     __attribute__((__constructor__)) ;                                    \
 121                                                                           \
 122 static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
 123 {                                                                         \
 124  dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
 125  static _vnet_dhcp6_reply_event_function_list_elt_t init_function;        \
 126  init_function.next_dhcp6_reply_event_function = nm->functions;           \
 127  nm->functions = &init_function;                                          \
 128  init_function.fp = (void *) &f;                                          \
 129 }                                                                         \
 130                                                                           \
 131 static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
 132     __attribute__((__destructor__)) ;                                     \
 133                                                                           \
 134 static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
 135 {                                                                         \
 136  dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
 137  _vnet_dhcp6_reply_event_function_list_elt_t *next;                       \
 138  if (nm->functions->fp == (void *) &f)                                    \
 139     {                                                                     \
 140       nm->functions =                                                     \
 141         nm->functions->next_dhcp6_reply_event_function;                   \
 142       return;                                                             \
 143     }                                                                     \
 144   next = nm->functions;                                                   \
 145   while (next->next_dhcp6_reply_event_function)                           \
 146     {                                                                     \
 147       if (next->next_dhcp6_reply_event_function->fp == (void *) &f)       \
 148         {                                                                 \
 149           next->next_dhcp6_reply_event_function =                         \
 150             next->next_dhcp6_reply_event_function->next_dhcp6_reply_event_function; \
 151           return;                                                         \
 152         }                                                                 \
 153       next = next->next_dhcp6_reply_event_function;                       \
 154     }                                                                     \
 155 }
 156
 157 #endif /* included_vnet_dhcp6_client_dp_h */
 158
 159 /*
 160  * fd.io coding-style-patch-verification: ON
 161  *
 162  * Local Variables:
 163  * eval: (c-set-style "gnu")
 164  * End:
 165  */