src/vnet/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 <vlib/vlib.h>
  20 #include <vnet/dhcp/dhcp6_client_common_dp.h>
  21
  22 typedef struct
  23 {
  24   u32 preferred_lt;
  25   u32 valid_lt;
  26   ip6_address_t address;
  27 } dhcp6_send_client_message_params_address_t;
  28
  29 typedef struct
  30 {
  31   u32 sw_if_index;
  32   u32 server_index;
  33   u32 irt;
  34   u32 mrt;
  35   u32 mrc;
  36   u32 mrd;
  37   u8 msg_type;
  38   u32 T1;
  39   u32 T2;
  40   dhcp6_send_client_message_params_address_t *addresses;
  41 } dhcp6_send_client_message_params_t;
  42
  43 typedef struct
  44 {
  45   u8 entry_valid;
  46   u8 keep_sending_client_message;       /* when true then next fields are valid */
  47   dhcp6_send_client_message_params_t params;
  48   f64 transaction_start;
  49   f64 sleep_interval;
  50   f64 due_time;
  51   u32 n_left;
  52   f64 start_time;
  53   u32 transaction_id;
  54   vlib_buffer_t *buffer;
  55   u32 elapsed_pos;
  56   u32 adj_index;
  57 } dhcp6_ia_na_client_state_t;
  58
  59 typedef struct
  60 {
  61   dhcp6_ia_na_client_state_t *client_state_by_sw_if_index;
  62
  63   uword publisher_node;
  64   uword publisher_et;
  65
  66   u32 seed;
  67
  68   /* convenience */
  69   vlib_main_t *vlib_main;
  70   vnet_main_t *vnet_main;
  71 } dhcp6_ia_na_client_main_t;
  72
  73 extern dhcp6_ia_na_client_main_t dhcp6_ia_na_client_main;
  74
  75 typedef struct
  76 {
  77   ip6_address_t address;
  78   u32 valid_time;
  79   u32 preferred_time;
  80   u16 status_code;
  81 } dhcp6_address_info_t;
  82
  83 typedef struct
  84 {
  85   dhcp6_report_common_t body;
  86   u32 n_addresses;
  87   dhcp6_address_info_t *addresses;
  88 } address_report_t;
  89
  90 #define vl_typedefs             /* define message structures */
  91 #include <vnet/vnet_all_api_h.h>
  92 #undef vl_typedefs
  93
  94 void dhcp6_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
  95                                 dhcp6_send_client_message_params_t * params);
  96 void dhcp6_set_publisher_node (uword node_index, uword event_type);
  97 int dhcp6_publish_report (address_report_t * r);
  98
  99
 100 void
 101   vl_api_want_dhcp6_reply_events_t_handler
 102   (vl_api_want_dhcp6_reply_events_t * mp);
 103 void
 104   vl_api_dhcp6_send_client_message_t_handler
 105   (vl_api_dhcp6_send_client_message_t * mp);
 106 void
 107   vl_api_dhcp6_clients_enable_disable_t_handler
 108   (vl_api_dhcp6_clients_enable_disable_t * mp);
 109
 110 extern vlib_node_registration_t dhcp6_reply_process_node;
 111
 112 enum
 113 { DHCP6_DP_REPLY_REPORT, DHCP6_DP_REPORT_MAX };
 114
 115 typedef struct _vnet_dhcp6_reply_function_list_elt
 116 {
 117   struct _vnet_dhcp6_reply_function_list_elt *next_dhcp6_reply_event_function;
 118   clib_error_t *(*fp) (vl_api_dhcp6_reply_event_t * mp);
 119 } _vnet_dhcp6_reply_event_function_list_elt_t;
 120
 121 typedef struct
 122 {
 123   _vnet_dhcp6_reply_event_function_list_elt_t *functions;
 124 } dhcp6_ia_na_client_public_main_t;
 125
 126 extern dhcp6_ia_na_client_public_main_t dhcp6_ia_na_client_public_main;
 127
 128 #define VNET_DHCP6_REPLY_EVENT_FUNCTION(f)                                \
 129                                                                           \
 130 static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
 131     __attribute__((__constructor__)) ;                                    \
 132                                                                           \
 133 static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
 134 {                                                                         \
 135  dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
 136  static _vnet_dhcp6_reply_event_function_list_elt_t init_function;        \
 137  init_function.next_dhcp6_reply_event_function = nm->functions;           \
 138  nm->functions = &init_function;                                          \
 139  init_function.fp = (void *) &f;                                          \
 140 }                                                                         \
 141                                                                           \
 142 static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
 143     __attribute__((__destructor__)) ;                                     \
 144                                                                           \
 145 static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
 146 {                                                                         \
 147  dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
 148  _vnet_dhcp6_reply_event_function_list_elt_t *next;                       \
 149  if (nm->functions->fp == (void *) &f)                                    \
 150     {                                                                     \
 151       nm->functions =                                                     \
 152         nm->functions->next_dhcp6_reply_event_function;                   \
 153       return;                                                             \
 154     }                                                                     \
 155   next = nm->functions;                                                   \
 156   while (next->next_dhcp6_reply_event_function)                           \
 157     {                                                                     \
 158       if (next->next_dhcp6_reply_event_function->fp == (void *) &f)       \
 159         {                                                                 \
 160           next->next_dhcp6_reply_event_function =                         \
 161             next->next_dhcp6_reply_event_function->next_dhcp6_reply_event_function; \
 162           return;                                                         \
 163         }                                                                 \
 164       next = next->next_dhcp6_reply_event_function;                       \
 165     }                                                                     \
 166 }
 167
 168 #endif /* included_vnet_dhcp6_client_dp_h */
 169
 170 /*
 171  * fd.io coding-style-patch-verification: ON
 172  *
 173  * Local Variables:
 174  * eval: (c-set-style "gnu")
 175  * End:
 176  */