FD.io VPP  v17.07-30-g839fa73
Vector Packet Processing
pot_api.c
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1 /*
2  * Copyright (c) 2016 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  *------------------------------------------------------------------
17  * pot_api.c - Proof of Transit related APIs to create
18  * and maintain profiles
19  *------------------------------------------------------------------
20  */
21 
22 #include <vnet/vnet.h>
23 #include <vnet/plugin/plugin.h>
24 #include <ioam/lib-pot/pot_util.h>
25 
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
28 #include <vlibsocket/api.h>
29 
30 /* define message IDs */
32 
33 /* define message structures */
34 #define vl_typedefs
36 #undef vl_typedefs
37 
38 /* define generated endian-swappers */
39 #define vl_endianfun
41 #undef vl_endianfun
42 
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
45 #define vl_printfun
47 #undef vl_printfun
48 
49 /* Get the API version number */
50 #define vl_api_version(n,v) static u32 api_version=(v);
52 #undef vl_api_version
53 
54 #define REPLY_MSG_ID_BASE sm->msg_id_base
56 
57 /* List of message types that this plugin understands */
58 #define foreach_pot_plugin_api_msg \
59 _(POT_PROFILE_ADD, pot_profile_add) \
60 _(POT_PROFILE_ACTIVATE, pot_profile_activate) \
61 _(POT_PROFILE_DEL, pot_profile_del) \
62 _(POT_PROFILE_SHOW_CONFIG_DUMP, pot_profile_show_config_dump) \
63 
66 {
67  pot_main_t * sm = &pot_main;
68  int rv = 0;
69  vl_api_pot_profile_add_reply_t * rmp;
70  u8 id;
71  pot_profile *profile = NULL;
72  u8 *name = 0;
73 
74  if (mp->list_name_len)
75  name = format(0, "%s", mp->list_name);
76 
78  id = mp->id;
79  profile = pot_profile_find(id);
80  if (profile) {
81  rv = pot_profile_create(profile,
82  clib_net_to_host_u64(mp->prime),
83  clib_net_to_host_u64(mp->polynomial_public),
84  clib_net_to_host_u64(mp->lpc),
85  clib_net_to_host_u64(mp->secret_share));
86  if (rv != 0)
87  goto ERROROUT;
88  if (1 == mp->validator)
89  (void)pot_set_validator(profile, clib_net_to_host_u64(mp->secret_key));
90  (void)pot_profile_set_bit_mask(profile, mp->max_bits);
91  } else {
92  rv = -3;
93  }
94  ERROROUT:
95  vec_free(name);
96  REPLY_MACRO(VL_API_POT_PROFILE_ADD_REPLY);
97 }
98 
100 {
102  pot_main_t * sm = &pot_main;
103  pot_profile *profile = pot_profile_find(id);
104  int rv = 0;
105  if(profile){
106  REPLY_MACRO2(VL_API_POT_PROFILE_SHOW_CONFIG_DETAILS,
107  rmp->id=id;
108  rmp->validator=profile->validator;
109  rmp->secret_key=clib_host_to_net_u64(profile->secret_key);
110  rmp->secret_share=clib_host_to_net_u64(profile->secret_share);
111  rmp->prime=clib_host_to_net_u64(profile->prime);
112  rmp->bit_mask=clib_host_to_net_u64(profile->bit_mask);
113  rmp->lpc=clib_host_to_net_u64(profile->lpc);
114  rmp->polynomial_public=clib_host_to_net_u64(profile->poly_pre_eval);
115  );
116  }
117  else{
118  REPLY_MACRO2(VL_API_POT_PROFILE_SHOW_CONFIG_DETAILS,
119  rmp->id=id;
120  rmp->validator=0;
121  rmp->secret_key=0;
122  rmp->secret_share=0;
123  rmp->prime=0;
124  rmp->bit_mask=0;
125  rmp->lpc=0;
126  rmp->polynomial_public=0;
127  );
128  }
129 }
130 
133 {
134  u8 id = mp->id;
135  u8 dump_call_id = ~0;
136  if(dump_call_id==id){
137  for(id=0;id<MAX_POT_PROFILES;id++)
139  }
140  else
142 }
143 
146 {
147  pot_main_t * sm = &pot_main;
148  int rv = 0;
149  vl_api_pot_profile_add_reply_t * rmp;
150  u8 id;
151  u8 *name = NULL;
152 
153  if (mp->list_name_len)
154  name = format(0, "%s", mp->list_name);
155  if (!pot_profile_list_is_enabled(name)) {
156  rv = -1;
157  } else {
158  id = mp->id;
159  rv = pot_profile_set_active(id);
160  }
161 
162  vec_free(name);
163  REPLY_MACRO(VL_API_POT_PROFILE_ACTIVATE_REPLY);
164 }
165 
166 
169 {
170  pot_main_t * sm = &pot_main;
171  int rv = 0;
172  vl_api_pot_profile_del_reply_t * rmp;
173 
175 
176  REPLY_MACRO(VL_API_POT_PROFILE_DEL_REPLY);
177 }
178 
179 /* Set up the API message handling tables */
180 static clib_error_t *
182 {
183  pot_main_t * sm = &pot_main;
184 #define _(N,n) \
185  vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
186  #n, \
187  vl_api_##n##_t_handler, \
188  vl_noop_handler, \
189  vl_api_##n##_t_endian, \
190  vl_api_##n##_t_print, \
191  sizeof(vl_api_##n##_t), 1);
193 #undef _
194 
195  return 0;
196 }
197 
198 #define vl_msg_name_crc_list
200 #undef vl_msg_name_crc_list
201 
202 static void
204 {
205 #define _(id,n,crc) \
206  vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
207  foreach_vl_msg_name_crc_pot;
208 #undef _
209 }
210 
212 {
213  pot_main_t * sm = &pot_main;
214  clib_error_t * error = 0;
215  u8 * name;
216 
217  bzero(sm, sizeof(pot_main));
218  (void)pot_util_init();
219 
220  sm->vlib_main = vm;
221  sm->vnet_main = vnet_get_main();
222 
223  name = format (0, "ioam_pot_%08x%c", api_version, 0);
224 
225  /* Ask for a correctly-sized block of API message decode slots */
227  ((char *) name, VL_MSG_FIRST_AVAILABLE);
228 
229  error = pot_plugin_api_hookup (vm);
230 
231  /* Add our API messages to the global name_crc hash table */
233 
234  vec_free(name);
235 
236  return error;
237 }
238 
pot_main_t pot_main
Definition: pot_util.c:23
void clear_pot_profiles()
Definition: pot_util.c:264
u16 vl_msg_api_get_msg_ids(const char *name, int n)
Definition: api_shared.c:837
static clib_error_t * pot_plugin_api_hookup(vlib_main_t *vm)
Definition: pot_api.c:181
pot_profile * pot_profile_find(u8 id)
Definition: pot_util.c:58
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
int pot_profile_create(pot_profile *profile, u64 prime, u64 poly2, u64 lpc, u64 secret_share)
Definition: pot_util.c:117
Proof of Transit(POT): Set POT profile.
Definition: pot.api:30
#define REPLY_MACRO2(t, body)
#define NULL
Definition: clib.h:55
static clib_error_t * pot_init(vlib_main_t *vm)
Definition: pot_api.c:211
vnet_main_t * vnet_main
Definition: pot_util.h:84
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
u64 secret_share
Definition: pot_util.h:62
static int pot_profile_set_active(u8 id)
Definition: pot_util.h:148
#define MAX_POT_PROFILES
Definition: pot_util.h:28
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
u64 poly_pre_eval
Definition: pot_util.h:65
Show POT profile reply.
Definition: pot.api:94
#define REPLY_MACRO(t)
static void vl_api_pot_profile_del_t_handler(vl_api_pot_profile_del_t *mp)
Definition: pot_api.c:168
vlib_main_t * vlib_main
Definition: pot_util.h:83
api_main_t api_main
Definition: api_shared.c:35
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:340
Usage:
Definition: pot_util.h:54
static void vl_api_pot_profile_show_config_dump_t_handler(vl_api_pot_profile_show_config_dump_t *mp)
Definition: pot_api.c:132
#define foreach_pot_plugin_api_msg
Definition: pot_api.c:58
u64 secret_key
Definition: pot_util.h:61
int pot_set_validator(pot_profile *profile, u64 key)
Definition: pot_util.c:136
int pot_util_init(void)
Definition: pot_util.c:42
u16 msg_id_base
Definition: pot_util.h:80
unsigned char u8
Definition: types.h:56
Delete POT Profile.
Definition: pot.api:64
u8 validator
Definition: pot_util.h:60
static void vl_api_pot_profile_activate_t_handler(vl_api_pot_profile_activate_t *mp)
Definition: pot_api.c:145
void pot_profile_list_init(u8 *profile_list_name)
Definition: pot_util.c:85
int pot_profile_list_is_enabled(u8 *name)
Definition: pot_util.c:79
Proof of Transit(POT): Activate POT profile in the list.
Definition: pot.api:50
static void setup_message_id_table(pot_main_t *sm, api_main_t *am)
Definition: pot_api.c:203
static void send_pot_profile_details(vl_api_pot_profile_show_config_dump_t *mp, u8 id)
Definition: pot_api.c:99
u64 bit_mask
Definition: pot_util.h:66
int pot_profile_set_bit_mask(pot_profile *profile, u16 bits)
Definition: pot_util.c:240
static void vl_api_pot_profile_add_t_handler(vl_api_pot_profile_add_t *mp)
Definition: pot_api.c:65