src/vnet/dhcp/dhcp6_pd_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_pd_client_dp_h
  17 #define included_vnet_dhcp6_pd_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 prefix;
  27   u8 prefix_length;
  28 } dhcp6_pd_send_client_message_params_prefix_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_pd_send_client_message_params_prefix_t *prefixes;
  42 } dhcp6_pd_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_pd_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_pd_client_state_t;
  59
  60 typedef struct
  61 {
  62   dhcp6_pd_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_pd_client_main_t;
  73
  74 extern dhcp6_pd_client_main_t dhcp6_pd_client_main;
  75
  76 typedef struct
  77 {
  78   ip6_address_t prefix;
  79   u8 prefix_length;
  80   u32 valid_time;
  81   u32 preferred_time;
  82   u16 status_code;
  83 } dhcp6_prefix_info_t;
  84
  85 typedef struct
  86 {
  87   dhcp6_report_common_t body;
  88   u32 n_prefixes;
  89   dhcp6_prefix_info_t *prefixes;
  90 } prefix_report_t;
  91
  92 #define vl_typedefs             /* define message structures */
  93 #include <vnet/vnet_all_api_h.h>
  94 #undef vl_typedefs
  95
  96 void dhcp6_pd_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
  97                                    dhcp6_pd_send_client_message_params_t *
  98                                    params);
  99 void dhcp6_pd_set_publisher_node (uword node_index, uword event_type);
 100 int dhcp6_pd_publish_report (prefix_report_t * r);
 101
 102 void
 103   vl_api_want_dhcp6_pd_reply_events_t_handler
 104   (vl_api_want_dhcp6_pd_reply_events_t * mp);
 105 void
 106   vl_api_dhcp6_pd_send_client_message_t_handler
 107   (vl_api_dhcp6_pd_send_client_message_t * mp);
 108 void
 109   vl_api_dhcp6_clients_enable_disable_t_handler
 110   (vl_api_dhcp6_clients_enable_disable_t * mp);
 111
 112 extern vlib_node_registration_t dhcp6_pd_reply_process_node;
 113
 114 enum
 115 { DHCP6_PD_DP_REPLY_REPORT, DHCP6_PD_DP_REPORT_MAX };
 116
 117 typedef struct _vnet_dhcp6_pd_reply_function_list_elt
 118 {
 119   struct _vnet_dhcp6_pd_reply_function_list_elt
 120     *next_dhcp6_pd_reply_event_function;
 121   clib_error_t *(*fp) (vl_api_dhcp6_pd_reply_event_t * mp);
 122 } _vnet_dhcp6_pd_reply_event_function_list_elt_t;
 123
 124 typedef struct
 125 {
 126   _vnet_dhcp6_pd_reply_event_function_list_elt_t *functions;
 127 } dhcp6_pd_client_public_main_t;
 128
 129 extern dhcp6_pd_client_public_main_t dhcp6_pd_client_public_main;
 130
 131 #define VNET_DHCP6_PD_REPLY_EVENT_FUNCTION(f)                             \
 132                                                                           \
 133 static void __vnet_dhcp6_pd_reply_event_function_init_##f (void)          \
 134     __attribute__((__constructor__)) ;                                    \
 135                                                                           \
 136 static void __vnet_dhcp6_pd_reply_event_function_init_##f (void)          \
 137 {                                                                         \
 138  dhcp6_pd_client_public_main_t * nm = &dhcp6_pd_client_public_main;       \
 139  static _vnet_dhcp6_pd_reply_event_function_list_elt_t init_function;     \
 140  init_function.next_dhcp6_pd_reply_event_function = nm->functions;        \
 141  nm->functions = &init_function;                                          \
 142  init_function.fp = (void *) &f;                                          \
 143 }                                                                         \
 144                                                                           \
 145 static void __vnet_dhcp6_pd_reply_event_function_deinit_##f (void)        \
 146     __attribute__((__destructor__)) ;                                     \
 147                                                                           \
 148 static void __vnet_dhcp6_pd_reply_event_function_deinit_##f (void)        \
 149 {                                                                         \
 150  dhcp6_pd_client_public_main_t * nm = &dhcp6_pd_client_public_main;       \
 151  _vnet_dhcp6_pd_reply_event_function_list_elt_t *next;                    \
 152  if (nm->functions->fp == (void *) &f)                                    \
 153     {                                                                     \
 154       nm->functions =                                                     \
 155         nm->functions->next_dhcp6_pd_reply_event_function;                \
 156       return;                                                             \
 157     }                                                                     \
 158   next = nm->functions;                                                   \
 159   while (next->next_dhcp6_pd_reply_event_function)                        \
 160     {                                                                     \
 161       if (next->next_dhcp6_pd_reply_event_function->fp == (void *) &f)    \
 162         {                                                                 \
 163           next->next_dhcp6_pd_reply_event_function =                      \
 164             next->next_dhcp6_pd_reply_event_function->next_dhcp6_pd_reply_event_function; \
 165           return;                                                         \
 166         }                                                                 \
 167       next = next->next_dhcp6_pd_reply_event_function;                    \
 168     }                                                                     \
 169 }
 170
 171 #endif /* included_vnet_dhcp6_pd_client_dp_h */
 172
 173 /*
 174  * fd.io coding-style-patch-verification: ON
 175  *
 176  * Local Variables:
 177  * eval: (c-set-style "gnu")
 178  * End:
 179  */