2 * Copyright (c) 2019 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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <hs_apps/sapi/vpp_echo_common.h>
28 echo_send_attach (echo_main_t * em)
30 vl_api_app_attach_t *bmp;
31 bmp = vl_msg_api_alloc (sizeof (*bmp));
32 clib_memset (bmp, 0, sizeof (*bmp));
34 bmp->_vl_msg_id = ntohs (VL_API_APP_ATTACH);
35 bmp->client_index = em->my_client_index;
36 bmp->context = ntohl (0xfeedface);
37 bmp->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_ACCEPT_REDIRECT;
38 bmp->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_ADD_SEGMENT;
39 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = em->prealloc_fifo_pairs;
40 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = em->fifo_size;
41 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = em->fifo_size;
42 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = 128 << 20;
43 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = 256 << 20;
44 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = em->evt_q_size;
47 vl_api_vec_to_api_string (em->appns_id, &bmp->namespace_id);
48 bmp->options[APP_OPTIONS_FLAGS] |= em->appns_flags;
49 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = em->appns_secret;
51 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
55 echo_send_detach (echo_main_t * em)
57 vl_api_application_detach_t *bmp;
58 bmp = vl_msg_api_alloc (sizeof (*bmp));
59 clib_memset (bmp, 0, sizeof (*bmp));
61 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
62 bmp->client_index = em->my_client_index;
63 bmp->context = ntohl (0xfeedface);
65 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
69 echo_send_add_cert_key (echo_main_t * em)
71 u32 cert_len = test_srv_crt_rsa_len;
72 u32 key_len = test_srv_key_rsa_len;
73 vl_api_app_add_cert_key_pair_t *bmp;
75 bmp = vl_msg_api_alloc (sizeof (*bmp) + cert_len + key_len);
76 clib_memset (bmp, 0, sizeof (*bmp) + cert_len + key_len);
78 bmp->_vl_msg_id = ntohs (VL_API_APP_ADD_CERT_KEY_PAIR);
79 bmp->client_index = em->my_client_index;
80 bmp->context = ntohl (0xfeedface);
81 bmp->cert_len = clib_host_to_net_u16 (cert_len);
82 bmp->certkey_len = clib_host_to_net_u16 (key_len + cert_len);
83 clib_memcpy_fast (bmp->certkey, test_srv_crt_rsa, cert_len);
84 clib_memcpy_fast (bmp->certkey + cert_len, test_srv_key_rsa, key_len);
86 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
90 echo_send_del_cert_key (echo_main_t * em)
92 vl_api_app_del_cert_key_pair_t *bmp;
93 bmp = vl_msg_api_alloc (sizeof (*bmp));
94 clib_memset (bmp, 0, sizeof (*bmp));
96 bmp->_vl_msg_id = ntohs (VL_API_APP_DEL_CERT_KEY_PAIR);
97 bmp->client_index = em->my_client_index;
98 bmp->context = ntohl (0xfeedface);
99 bmp->index = clib_host_to_net_u32 (em->ckpair_index);
100 vl_msg_api_send_shmem (em->vl_input_queue, (u8 *) & bmp);
104 echo_transport_needs_crypto (transport_proto_t proto)
106 return proto == TRANSPORT_PROTO_TLS || proto == TRANSPORT_PROTO_DTLS ||
107 proto == TRANSPORT_PROTO_QUIC;
111 echo_msg_add_crypto_ext_config (echo_main_t *em, uword *offset)
113 transport_endpt_ext_cfg_t cfg;
116 c = echo_segment_alloc_chunk (ECHO_MQ_SEG_HANDLE, 0, sizeof (cfg), offset);
120 memset (&cfg, 0, sizeof (cfg));
121 cfg.type = TRANSPORT_ENDPT_EXT_CFG_CRYPTO;
122 cfg.len = sizeof (cfg);
123 cfg.crypto.ckpair_index = em->ckpair_index;
124 cfg.crypto.crypto_engine = em->crypto_engine;
125 clib_memcpy_fast (c->data, &cfg, cfg.len);
129 echo_send_listen (echo_main_t * em, ip46_address_t * ip)
131 app_session_evt_t _app_evt, *app_evt = &_app_evt;
132 session_listen_msg_t *mp;
133 svm_msg_q_t *mq = em->ctrl_mq;
135 app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_LISTEN);
136 mp = (session_listen_msg_t *) app_evt->evt->data;
137 memset (mp, 0, sizeof (*mp));
138 mp->client_index = em->my_client_index;
139 mp->context = ntohl (0xfeedface);
141 mp->is_ip4 = em->uri_elts.is_ip4;
142 clib_memcpy_fast (&mp->ip, ip, sizeof (mp->ip));
143 mp->port = em->uri_elts.port;
144 mp->proto = em->uri_elts.transport_proto;
145 if (echo_transport_needs_crypto (mp->proto))
146 echo_msg_add_crypto_ext_config (em, &mp->ext_config);
147 app_send_ctrl_evt_to_vpp (mq, app_evt);
151 echo_send_unbind (echo_main_t * em, echo_session_t * s)
153 app_session_evt_t _app_evt, *app_evt = &_app_evt;
154 session_unlisten_msg_t *mp;
155 svm_msg_q_t *mq = em->ctrl_mq;
157 app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_UNLISTEN);
158 mp = (session_unlisten_msg_t *) app_evt->evt->data;
159 memset (mp, 0, sizeof (*mp));
160 mp->client_index = em->my_client_index;
162 mp->handle = s->vpp_session_handle;
164 app_send_ctrl_evt_to_vpp (mq, app_evt);
168 echo_send_connect (echo_main_t * em, void *args)
170 app_session_evt_t _app_evt, *app_evt = &_app_evt;
171 session_connect_msg_t *mp;
172 echo_connect_args_t *a = (echo_connect_args_t *) args;
173 svm_msg_q_t *mq = em->ctrl_mq;
175 clib_atomic_sub_fetch (&em->max_sim_connects, 1);
176 while (em->max_sim_connects <= 0)
179 app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_CONNECT);
180 mp = (session_connect_msg_t *) app_evt->evt->data;
181 memset (mp, 0, sizeof (*mp));
182 mp->client_index = em->my_client_index;
183 mp->context = ntohl (a->context);
185 mp->is_ip4 = em->uri_elts.is_ip4;
186 clib_memcpy_fast (&mp->ip, &a->ip, sizeof (mp->ip));
187 clib_memcpy_fast (&mp->lcl_ip, &a->lcl_ip, sizeof (mp->ip));
188 mp->port = em->uri_elts.port;
189 mp->proto = em->uri_elts.transport_proto;
190 mp->parent_handle = a->parent_session_handle;
191 if (echo_transport_needs_crypto (mp->proto))
192 echo_msg_add_crypto_ext_config (em, &mp->ext_config);
193 mp->flags = em->connect_flag;
194 app_send_ctrl_evt_to_vpp (mq, app_evt);
198 echo_send_disconnect_session (echo_main_t * em, void *args)
201 app_session_evt_t _app_evt, *app_evt = &_app_evt;
202 session_disconnect_msg_t *mp;
203 svm_msg_q_t *mq = em->ctrl_mq;
204 echo_disconnect_args_t *a = (echo_disconnect_args_t *) args;
206 app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_DISCONNECT);
207 mp = (session_disconnect_msg_t *) app_evt->evt->data;
208 memset (mp, 0, sizeof (*mp));
209 mp->client_index = em->my_client_index;
210 mp->handle = a->session_handle;
211 app_send_ctrl_evt_to_vpp (mq, app_evt);
213 if (!(s = echo_get_session_from_handle (em, mp->handle)))
215 em->proto_cb_vft->sent_disconnect_cb (s);
225 echo_segment_attach (u64 segment_handle, char *name, ssvm_segment_type_t type,
228 fifo_segment_create_args_t _a, *a = &_a;
229 echo_main_t *em = &echo_main;
230 fifo_segment_main_t *sm;
233 clib_memset (a, 0, sizeof (*a));
234 a->segment_name = (char *) name;
235 a->segment_type = type;
237 if (type == SSVM_SEGMENT_MEMFD)
240 sm = &em->segment_main;
242 if ((rv = fifo_segment_attach (sm, a)))
245 clib_spinlock_lock (&em->segment_handles_lock);
246 hash_set (em->shared_segment_handles, segment_handle,
247 a->new_segment_indices[0]);
248 clib_spinlock_unlock (&em->segment_handles_lock);
250 vec_free (a->new_segment_indices);
255 echo_segment_lookup (u64 segment_handle)
257 echo_main_t *em = &echo_main;
260 ECHO_LOG (3, "Check if segment mapped 0x%lx...", segment_handle);
262 clib_spinlock_lock (&em->segment_handles_lock);
263 segment_idxp = hash_get (em->shared_segment_handles, segment_handle);
264 clib_spinlock_unlock (&em->segment_handles_lock);
268 ECHO_LOG (2, "Segment not mapped (0x%lx)", segment_handle);
269 return ((u32) *segment_idxp);
273 echo_segment_detach (u64 segment_handle)
275 echo_main_t *em = &echo_main;
276 fifo_segment_main_t *sm;
278 u32 segment_index = echo_segment_lookup (segment_handle);
279 if (segment_index == (u32) ~0)
282 sm = &em->segment_main;
284 clib_spinlock_lock (&em->segment_handles_lock);
285 fifo_segment_delete (sm, fifo_segment_get_segment (sm, segment_index));
286 hash_unset (em->shared_segment_handles, segment_handle);
287 clib_spinlock_unlock (&em->segment_handles_lock);
291 echo_attach_session (uword segment_handle, uword rxf_offset, uword txf_offset,
292 uword mq_offset, echo_session_t *s)
294 echo_main_t *em = &echo_main;
295 u32 fs_index, eqs_index;
298 fs_index = echo_segment_lookup (segment_handle);
299 if (fs_index == (u32) ~0)
301 ECHO_LOG (0, "ERROR: segment for session %u is not mounted!",
306 if (mq_offset != (uword) ~0)
308 eqs_index = echo_segment_lookup (ECHO_MQ_SEG_HANDLE);
309 ASSERT (eqs_index != (u32) ~0);
312 clib_spinlock_lock (&em->segment_handles_lock);
314 fs = fifo_segment_get_segment (&em->segment_main, fs_index);
315 s->rx_fifo = fifo_segment_alloc_fifo_w_offset (fs, rxf_offset);
316 s->tx_fifo = fifo_segment_alloc_fifo_w_offset (fs, txf_offset);
317 s->rx_fifo->segment_index = fs_index;
318 s->tx_fifo->segment_index = fs_index;
319 s->rx_fifo->shr->client_session_index = s->session_index;
320 s->tx_fifo->shr->client_session_index = s->session_index;
322 if (mq_offset != (uword) ~0)
324 fs = fifo_segment_get_segment (&em->segment_main, eqs_index);
325 s->vpp_evt_q = fifo_segment_msg_q_attach (fs, mq_offset,
326 s->rx_fifo->shr->slice_index);
329 clib_spinlock_unlock (&em->segment_handles_lock);
335 echo_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index,
338 echo_main_t *em = &echo_main;
342 fs_index = echo_segment_lookup (segment_handle);
343 if (fs_index == (u32) ~0)
345 ECHO_LOG (0, "ERROR: mq segment %lx for is not attached!",
350 clib_spinlock_lock (&em->segment_handles_lock);
352 fs = fifo_segment_get_segment (&em->segment_main, fs_index);
353 *mq = fifo_segment_msg_q_attach (fs, mq_offset, mq_index);
355 clib_spinlock_unlock (&em->segment_handles_lock);
361 echo_segment_alloc_chunk (uword segment_handle, u32 slice_index, u32 size,
364 echo_main_t *em = &echo_main;
369 fs_index = echo_segment_lookup (segment_handle);
370 if (fs_index == (u32) ~0)
372 ECHO_LOG (0, "ERROR: mq segment %lx for is not attached!",
377 clib_spinlock_lock (&em->segment_handles_lock);
379 fs = fifo_segment_get_segment (&em->segment_main, fs_index);
380 c = fifo_segment_alloc_chunk_w_slice (fs, slice_index, size);
381 *offset = fifo_segment_chunk_offset (fs, c);
383 clib_spinlock_unlock (&em->segment_handles_lock);
390 * Binary API callbacks
395 vl_api_app_add_cert_key_pair_reply_t_handler
396 (vl_api_app_add_cert_key_pair_reply_t * mp)
398 echo_main_t *em = &echo_main;
401 ECHO_FAIL (ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY,
402 "Adding cert and key returned %d",
403 clib_net_to_host_u32 (mp->retval));
406 /* No concurrency here, only bapi thread writes */
407 if (em->state != STATE_ATTACHED_NO_CERT)
409 ECHO_FAIL (ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY, "Wrong state");
412 em->ckpair_index = clib_net_to_host_u32 (mp->index);
413 em->state = STATE_ATTACHED;
417 vl_api_app_del_cert_key_pair_reply_t_handler
418 (vl_api_app_del_cert_key_pair_reply_t * mp)
420 echo_main_t *em = &echo_main;
423 ECHO_FAIL (ECHO_FAIL_VL_API_CERT_KEY_DEL_REPLY,
424 "Delete cert and key returned %d",
425 clib_net_to_host_u32 (mp->retval));
428 em->state = STATE_CLEANED_CERT_KEY;
432 vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp)
434 echo_main_t *em = &echo_main;
438 char *segment_name = 0;
440 segment_handle = clib_net_to_host_u64 (mp->segment_handle);
441 ECHO_LOG (2, "Attached returned app %u", htons (mp->app_index));
445 ECHO_FAIL (ECHO_FAIL_VL_API_APP_ATTACH, "attach failed: %U",
446 format_api_error, clib_net_to_host_u32 (mp->retval));
452 ECHO_FAIL (ECHO_FAIL_VL_API_NULL_APP_MQ, "NULL app_mq");
458 vec_validate (fds, mp->n_fds);
459 if (vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5))
461 ECHO_FAIL (ECHO_FAIL_VL_API_RECV_FD_MSG,
462 "vl_socket_client_recv_fd_msg failed");
466 if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT)
467 if (echo_segment_attach (ECHO_MQ_SEG_HANDLE, 0, SSVM_SEGMENT_MEMFD,
470 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
471 "svm_fifo_segment_attach failed on SSVM_SEGMENT_MEMFD");
474 echo_segment_attach_mq (ECHO_MQ_SEG_HANDLE, mp->vpp_ctrl_mq,
475 mp->vpp_ctrl_mq_thread, &em->ctrl_mq);
477 if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT)
479 segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name);
480 rv = echo_segment_attach (segment_handle, segment_name,
481 SSVM_SEGMENT_MEMFD, fds[n_fds++]);
484 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
485 "svm_fifo_segment_attach ('%s') "
486 "failed on SSVM_SEGMENT_MEMFD", segment_name);
487 vec_free (segment_name);
490 vec_free (segment_name);
492 echo_segment_attach_mq (segment_handle, mp->app_mq, 0, &em->app_mq);
494 if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD)
495 svm_msg_q_set_eventfd (em->app_mq, fds[n_fds++]);
501 segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name);
502 rv = echo_segment_attach (segment_handle, segment_name, SSVM_SEGMENT_SHM,
506 ECHO_FAIL (ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,
507 "svm_fifo_segment_attach ('%s') "
508 "failed on SSVM_SEGMENT_SHM", segment_name);
509 vec_free (segment_name);
512 vec_free (segment_name);
514 ECHO_LOG (2, "Mapped segment 0x%lx", segment_handle);
516 em->state = STATE_ATTACHED_NO_CERT;
519 for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++)
525 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
530 ECHO_FAIL (ECHO_FAIL_VL_API_DETACH_REPLY,
531 "app detach returned with err: %d", mp->retval);
534 echo_main.state = STATE_DETACHED;
537 #define foreach_quic_echo_msg \
538 _(APP_ATTACH_REPLY, app_attach_reply) \
539 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
540 _(APP_ADD_CERT_KEY_PAIR_REPLY, app_add_cert_key_pair_reply) \
541 _(APP_DEL_CERT_KEY_PAIR_REPLY, app_del_cert_key_pair_reply)
544 echo_api_hookup (echo_main_t * em)
547 vl_msg_api_set_handlers(VL_API_##N, #n, \
548 vl_api_##n##_t_handler, \
550 vl_api_##n##_t_endian, \
551 vl_api_##n##_t_print, \
552 sizeof(vl_api_##n##_t), 1);
553 foreach_quic_echo_msg;
558 * fd.io coding-style-patch-verification: ON
561 * eval: (c-set-style "gnu")