2 * Copyright (c) 2016-2019 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.
15 #ifndef __included_uri_h__
16 #define __included_uri_h__
18 #include <vlibmemory/api.h>
19 #include <svm/message_queue.h>
20 #include <vnet/session/session_types.h>
21 #include <vnet/tls/tls_test.h>
22 #include <svm/fifo_segment.h>
24 typedef struct certificate_
26 u32 *app_interests; /* vec of application index asking for deletion cb */
27 u32 cert_key_index; /* index in cert & key pool */
30 } app_cert_key_pair_t;
32 typedef struct session_cb_vft_
34 /** Notify server of new segment */
35 int (*add_segment_callback) (u32 app_wrk_index, u64 segment_handle);
37 /** Notify server of new segment */
38 int (*del_segment_callback) (u32 app_wrk_index, u64 segment_handle);
40 /** Notify server of newly accepted session */
41 int (*session_accept_callback) (session_t * new_session);
43 /** Connection request callback */
44 int (*session_connected_callback) (u32 app_wrk_index, u32 opaque,
45 session_t * s, session_error_t code);
47 /** Notify app that session is closing */
48 void (*session_disconnect_callback) (session_t * s);
50 /** Notify app that transport is closed */
51 void (*session_transport_closed_callback) (session_t * s);
53 /** Notify app that session or transport are about to be removed */
54 void (*session_cleanup_callback) (session_t * s, session_cleanup_ntf_t ntf);
56 /** Notify app that half open state was cleaned up (optional) */
57 void (*half_open_cleanup_callback) (session_t *s);
59 /** Notify app that session was reset */
60 void (*session_reset_callback) (session_t * s);
62 /** Notify app that session pool migration happened */
63 void (*session_migrate_callback) (session_t * s, session_handle_t new_sh);
65 /** Direct RX callback for built-in application */
66 int (*builtin_app_rx_callback) (session_t * session);
68 /** Direct TX callback for built-in application */
69 int (*builtin_app_tx_callback) (session_t * session);
71 /** Cert and key pair delete notification */
72 int (*app_cert_key_pair_delete_callback) (app_cert_key_pair_t * ckpair);
74 /** Delegate fifo-tuning-logic to application */
75 int (*fifo_tuning_callback) (session_t * s, svm_fifo_t * f,
76 session_ft_action_t act, u32 bytes);
80 #define foreach_app_init_args \
81 _(u32, api_client_index) \
84 _(u8 *, namespace_id) \
85 _(session_cb_vft_t *, session_cb_vft) \
89 typedef struct _vnet_app_attach_args_t
91 #define _(_type, _name) _type _name;
94 ssvm_private_t * segment;
95 svm_msg_q_t *app_evt_q;
97 } vnet_app_attach_args_t;
99 typedef struct _vnet_app_detach_args_t
102 u32 api_client_index;
103 } vnet_app_detach_args_t;
105 typedef struct _vnet_bind_args_t
109 session_endpoint_cfg_t sep_ext;
110 session_endpoint_t sep;
121 } vnet_listen_args_t;
123 typedef struct _vnet_unlisten_args_t
128 u64 handle; /**< Session handle */
130 u32 app_index; /**< Owning application index */
131 u32 wrk_map_index; /**< App's local pool worker index */
132 } vnet_unlisten_args_t;
134 typedef struct _vnet_connect_args
138 session_endpoint_cfg_t sep_ext;
139 session_endpoint_t sep;
146 /* Resulting session, or half-open session, if connect successful */
148 } vnet_connect_args_t;
150 typedef struct _vnet_shutdown_args_t
152 session_handle_t handle;
154 } vnet_shutdown_args_t;
156 typedef struct _vnet_disconnect_args_t
158 session_handle_t handle;
160 } vnet_disconnect_args_t;
162 typedef struct _vnet_application_add_tls_cert_args_t
166 } vnet_app_add_tls_cert_args_t;
168 typedef struct _vnet_application_add_tls_key_args_t
172 } vnet_app_add_tls_key_args_t;
174 typedef enum crypto_engine_type_
177 CRYPTO_ENGINE_OPENSSL,
178 CRYPTO_ENGINE_MBEDTLS,
180 CRYPTO_ENGINE_PICOTLS,
181 CRYPTO_ENGINE_LAST = CRYPTO_ENGINE_PICOTLS,
182 } crypto_engine_type_t;
184 typedef struct _vnet_app_add_cert_key_pair_args_
191 } vnet_app_add_cert_key_pair_args_t;
193 typedef struct crypto_ctx_
195 u32 ctx_index; /**< index in crypto context pool */
196 u32 n_subscribers; /**< refcount of sessions using said context */
197 u32 ckpair_index; /**< certificate & key */
199 void *data; /**< protocol specific data */
202 /* Application attach options */
206 APP_OPTIONS_EVT_QUEUE_SIZE,
207 APP_OPTIONS_SEGMENT_SIZE,
208 APP_OPTIONS_ADD_SEGMENT_SIZE,
209 APP_OPTIONS_PRIVATE_SEGMENT_COUNT,
210 APP_OPTIONS_RX_FIFO_SIZE,
211 APP_OPTIONS_TX_FIFO_SIZE,
212 APP_OPTIONS_PREALLOC_FIFO_PAIRS,
213 APP_OPTIONS_PREALLOC_FIFO_HDRS,
214 APP_OPTIONS_NAMESPACE,
215 APP_OPTIONS_NAMESPACE_SECRET,
216 APP_OPTIONS_PROXY_TRANSPORT,
217 APP_OPTIONS_ACCEPT_COOKIE,
218 APP_OPTIONS_TLS_ENGINE,
219 APP_OPTIONS_MAX_FIFO_SIZE,
220 APP_OPTIONS_HIGH_WATERMARK,
221 APP_OPTIONS_LOW_WATERMARK,
222 APP_OPTIONS_PCT_FIRST_ALLOC,
223 APP_OPTIONS_N_OPTIONS
224 } app_attach_options_index_t;
226 #define foreach_app_options_flags \
227 _ (ACCEPT_REDIRECT, "Use FIFO with redirects") \
228 _ (ADD_SEGMENT, "Add segment and signal app if needed") \
229 _ (IS_BUILTIN, "Application is builtin") \
230 _ (IS_TRANSPORT_APP, "Application is a transport proto") \
231 _ (IS_PROXY, "Application is proxying") \
232 _ (USE_GLOBAL_SCOPE, "App can use global session scope") \
233 _ (USE_LOCAL_SCOPE, "App can use local session scope") \
234 _ (EVT_MQ_USE_EVENTFD, "Use eventfds for signaling") \
235 _ (MEMFD_FOR_BUILTIN, "Use memfd for builtin app segs") \
236 _ (USE_HUGE_PAGE, "Use huge page for FIFO") \
237 _ (GET_ORIGINAL_DST, "Get original dst enabled")
239 typedef enum _app_options
241 #define _(sym, str) APP_OPTIONS_##sym,
242 foreach_app_options_flags
246 typedef enum _app_options_flags
248 #define _(sym, str) APP_OPTIONS_FLAGS_##sym = 1 << APP_OPTIONS_##sym,
249 foreach_app_options_flags
251 } app_options_flags_t;
253 #define foreach_fd_type \
254 _(VPP_MQ_SEGMENT, "Fd for vpp's event mq segment") \
255 _(MEMFD_SEGMENT, "Fd for memfd segment") \
256 _(MQ_EVENTFD, "Event fd used by message queue") \
257 _(VPP_MQ_EVENTFD, "Event fd used by vpp's message queue") \
259 typedef enum session_fd_type_
261 #define _(sym, str) SESSION_FD_##sym,
267 typedef enum session_fd_flag_
269 #define _(sym, str) SESSION_FD_F_##sym = 1 << SESSION_FD_##sym,
274 session_error_t parse_uri (char *uri, session_endpoint_cfg_t *sep);
275 session_error_t vnet_bind_uri (vnet_listen_args_t *);
276 session_error_t vnet_unbind_uri (vnet_unlisten_args_t *a);
277 session_error_t vnet_connect_uri (vnet_connect_args_t *a);
279 session_error_t vnet_application_attach (vnet_app_attach_args_t *a);
280 session_error_t vnet_application_detach (vnet_app_detach_args_t *a);
281 session_error_t vnet_listen (vnet_listen_args_t *a);
282 session_error_t vnet_connect (vnet_connect_args_t *a);
283 session_error_t vnet_unlisten (vnet_unlisten_args_t *a);
284 session_error_t vnet_shutdown_session (vnet_shutdown_args_t *a);
285 session_error_t vnet_disconnect_session (vnet_disconnect_args_t *a);
287 int vnet_app_add_cert_key_pair (vnet_app_add_cert_key_pair_args_t * a);
288 int vnet_app_del_cert_key_pair (u32 index);
289 /** Ask for app cb on pair deletion */
290 int vnet_app_add_cert_key_interest (u32 index, u32 app_index);
292 uword unformat_vnet_uri (unformat_input_t *input, va_list *args);
294 typedef struct app_session_transport_
296 ip46_address_t rmt_ip; /**< remote ip */
297 ip46_address_t lcl_ip; /**< local ip */
298 u16 rmt_port; /**< remote port (network order) */
299 u16 lcl_port; /**< local port (network order) */
300 u8 is_ip4; /**< set if uses ip4 networking */
301 } app_session_transport_t;
303 #define foreach_app_session_field \
304 _ (svm_fifo_t, *rx_fifo) /**< rx fifo */ \
305 _ (svm_fifo_t, *tx_fifo) /**< tx fifo */ \
306 _ (session_type_t, session_type) /**< session type */ \
307 _ (volatile u8, session_state) /**< session state */ \
308 _ (u32, session_index) /**< index in owning pool */ \
309 _ (app_session_transport_t, transport) /**< transport info */ \
310 _ (svm_msg_q_t, *vpp_evt_q) /**< vpp event queue */ \
311 _ (u8, is_dgram) /**< flag for dgram mode */
315 #define _(type, name) type name;
316 foreach_app_session_field
320 typedef struct session_listen_msg_
323 u32 context; /* Not needed but keeping it for compatibility with bapi */
332 } __clib_packed session_listen_msg_t;
334 STATIC_ASSERT (sizeof (session_listen_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,
337 typedef struct session_listen_uri_msg_
342 } __clib_packed session_listen_uri_msg_t;
344 STATIC_ASSERT (sizeof (session_listen_uri_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,
347 typedef struct session_bound_msg_
360 } __clib_packed session_bound_msg_t;
362 typedef struct session_unlisten_msg_
367 session_handle_t handle;
368 } __clib_packed session_unlisten_msg_t;
370 typedef struct session_unlisten_reply_msg_
375 } __clib_packed session_unlisten_reply_msg_t;
377 typedef struct session_accepted_msg_
382 uword server_rx_fifo;
383 uword server_tx_fifo;
385 uword vpp_event_queue_address;
387 transport_endpoint_t lcl;
388 transport_endpoint_t rmt;
390 u32 original_dst_ip4;
391 u16 original_dst_port;
392 } __clib_packed session_accepted_msg_t;
394 typedef struct session_accepted_reply_msg_
399 } __clib_packed session_accepted_reply_msg_t;
401 typedef struct session_connect_msg_
412 ip46_address_t lcl_ip;
419 } __clib_packed session_connect_msg_t;
421 STATIC_ASSERT (sizeof (session_connect_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,
424 typedef struct session_connect_uri_msg_
429 } __clib_packed session_connect_uri_msg_t;
431 STATIC_ASSERT (sizeof (session_connect_uri_msg_t) <=
432 SESSION_CTRL_MSG_MAX_SIZE, "msg too large");
434 typedef struct session_connected_msg_
439 uword server_rx_fifo;
440 uword server_tx_fifo;
444 u64 ct_segment_handle;
445 uword vpp_event_queue_address;
446 transport_endpoint_t lcl;
448 } __clib_packed session_connected_msg_t;
450 typedef struct session_shutdown_msg_
454 session_handle_t handle;
455 } __clib_packed session_shutdown_msg_t;
457 typedef struct session_disconnect_msg_
461 session_handle_t handle;
462 } __clib_packed session_disconnect_msg_t;
464 typedef struct session_disconnected_msg_
469 } __clib_packed session_disconnected_msg_t;
471 typedef struct session_disconnected_reply_msg_
476 } __clib_packed session_disconnected_reply_msg_t;
478 typedef struct session_reset_msg_
483 } __clib_packed session_reset_msg_t;
485 typedef struct session_reset_reply_msg_
490 } __clib_packed session_reset_reply_msg_t;
492 typedef struct session_req_worker_update_msg_
495 } __clib_packed session_req_worker_update_msg_t;
497 /* NOTE: using u16 for wrk indices because message needs to fit in 18B */
498 typedef struct session_worker_update_msg_
504 } __clib_packed session_worker_update_msg_t;
506 typedef struct session_worker_update_reply_msg_
512 } __clib_packed session_worker_update_reply_msg_t;
514 typedef struct session_app_detach_msg_
518 } session_app_detach_msg_t;
520 typedef struct app_map_another_segment_msg_
526 u8 segment_name[128];
528 } session_app_add_segment_msg_t;
530 typedef struct app_unmap_segment_msg_
535 } session_app_del_segment_msg_t;
537 typedef struct session_migrate_msg_
540 session_handle_t handle;
541 session_handle_t new_handle;
543 u32 vpp_thread_index;
544 } __clib_packed session_migrated_msg_t;
546 typedef struct session_cleanup_msg_
548 session_handle_t handle;
550 } __clib_packed session_cleanup_msg_t;
552 typedef struct session_app_wrk_rpc_msg_
554 u32 client_index; /**< app client index */
555 u32 wrk_index; /**< dst worker index */
556 u8 data[64]; /**< rpc data */
557 } __clib_packed session_app_wrk_rpc_msg_t;
559 typedef struct session_transport_attr_msg_
562 session_handle_t handle;
563 transport_endpt_attr_t attr;
565 } __clib_packed session_transport_attr_msg_t;
567 typedef struct session_transport_attr_reply_msg_
570 session_handle_t handle;
571 transport_endpt_attr_t attr;
573 } __clib_packed session_transport_attr_reply_msg_t;
575 typedef struct app_session_event_
578 session_event_t *evt;
579 } __clib_packed app_session_evt_t;
582 app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt,
585 svm_msg_q_lock_and_alloc_msg_w_ring (mq,
586 SESSION_MQ_CTRL_EVT_RING,
587 SVM_Q_WAIT, &app_evt->msg);
588 app_evt->evt = svm_msg_q_msg_data (mq, &app_evt->msg);
589 clib_memset (app_evt->evt, 0, sizeof (*app_evt->evt));
590 app_evt->evt->event_type = evt_type;
594 app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt)
596 svm_msg_q_add_and_unlock (mq, &app_evt->msg);
600 * Send fifo io event to vpp worker thread
602 * Because there may be multiple writers to one of vpp's queues, this
603 * protects message allocation and enqueueing.
605 * @param mq vpp message queue
606 * @param f fifo for which the event is sent
607 * @param evt_type type of event
608 * @param noblock flag to indicate is request is blocking or not
609 * @return 0 if success, negative integer otherwise
612 app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type,
615 session_event_t *evt;
620 if (svm_msg_q_try_lock (mq))
623 svm_msg_q_or_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
625 svm_msg_q_unlock (mq);
628 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
629 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
630 evt->session_index = session_index;
631 evt->event_type = evt_type;
632 svm_msg_q_add_and_unlock (mq, &msg);
638 while (svm_msg_q_or_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))
639 svm_msg_q_or_ring_wait_prod (mq, SESSION_MQ_IO_EVT_RING);
640 msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
641 evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
642 evt->session_index = session_index;
643 evt->event_type = evt_type;
644 svm_msg_q_add_and_unlock (mq, &msg);
649 #define app_send_dgram_raw(f, at, vpp_evt_q, data, len, evt_type, do_evt, \
651 app_send_dgram_raw_gso (f, at, vpp_evt_q, data, len, 0, evt_type, do_evt, \
655 app_send_dgram_raw_gso (svm_fifo_t *f, app_session_transport_t *at,
656 svm_msg_q_t *vpp_evt_q, u8 *data, u32 len,
657 u16 gso_size, u8 evt_type, u8 do_evt, u8 noblock)
659 session_dgram_hdr_t hdr;
661 if (svm_fifo_max_enqueue_prod (f) < (sizeof (session_dgram_hdr_t) + len))
664 hdr.data_length = len;
666 clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t));
667 hdr.is_ip4 = at->is_ip4;
668 hdr.rmt_port = at->rmt_port;
669 clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t));
670 hdr.lcl_port = at->lcl_port;
671 hdr.gso_size = gso_size;
673 svm_fifo_seg_t segs[2] = {{ (u8 *) &hdr, sizeof (hdr) }, { data, len }};
676 rv = svm_fifo_enqueue_segments (f, segs, 2, 0 /* allow partial */ );
677 if (PREDICT_FALSE (rv < 0))
682 if (svm_fifo_set_event (f))
683 app_send_io_evt_to_vpp (vpp_evt_q, f->shr->master_session_index,
690 app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock)
692 return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data,
693 len, SESSION_IO_EVT_TX, 1 /* do_evt */ ,
698 app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data,
699 u32 len, u8 evt_type, u8 do_evt, u8 noblock)
703 rv = svm_fifo_enqueue (f, len, data);
706 if (rv > 0 && svm_fifo_set_event (f))
707 app_send_io_evt_to_vpp (vpp_evt_q, f->shr->master_session_index,
714 app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock)
716 return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len,
717 SESSION_IO_EVT_TX, 1 /* do_evt */ , noblock);
721 app_send (app_session_t * s, u8 * data, u32 len, u8 noblock)
724 return app_send_dgram (s, data, len, noblock);
725 return app_send_stream (s, data, len, noblock);
729 app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len,
730 app_session_transport_t * at, u8 clear_evt, u8 peek)
732 session_dgram_pre_hdr_t ph;
736 max_deq = svm_fifo_max_dequeue_cons (f);
737 if (max_deq <= sizeof (session_dgram_hdr_t))
740 svm_fifo_unset_event (f);
745 svm_fifo_unset_event (f);
747 svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph);
748 ASSERT (ph.data_length >= ph.data_offset);
750 /* Check if we have the full dgram */
751 if (max_deq < (ph.data_length + SESSION_CONN_HDR_LEN)
752 && len >= ph.data_length)
755 svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at);
756 len = clib_min (len, ph.data_length - ph.data_offset);
757 rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf);
761 /* Discards data that did not fit in buffer */
762 svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN);
768 app_recv_dgram (app_session_t * s, u8 * buf, u32 len)
770 return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1, 0);
774 app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt, u8 peek)
777 svm_fifo_unset_event (f);
780 return svm_fifo_peek (f, 0, len, buf);
782 return svm_fifo_dequeue (f, len, buf);
786 app_recv_stream (app_session_t * s, u8 * buf, u32 len)
788 return app_recv_stream_raw (s->rx_fifo, buf, len, 1, 0);
792 app_recv (app_session_t * s, u8 * data, u32 len)
795 return app_recv_dgram (s, data, len);
796 return app_recv_stream (s, data, len);
800 static char *session_error_str[] = {
801 #define _(sym, str) str,
802 foreach_session_error
808 format_session_error (u8 * s, va_list * args)
810 session_error_t error = va_arg (*args, session_error_t);
811 if (-error >= 0 && -error < SESSION_N_ERRORS)
812 s = format (s, "%s", session_error_str[-error]);
814 s = format (s, "invalid session err %u", -error);
819 * Socket API messages
822 typedef enum app_sapi_msg_type
824 APP_SAPI_MSG_TYPE_NONE,
825 APP_SAPI_MSG_TYPE_ATTACH,
826 APP_SAPI_MSG_TYPE_ATTACH_REPLY,
827 APP_SAPI_MSG_TYPE_ADD_DEL_WORKER,
828 APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY,
829 APP_SAPI_MSG_TYPE_SEND_FDS,
830 APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY,
831 APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY_REPLY,
832 } __clib_packed app_sapi_msg_type_e;
834 typedef struct app_sapi_attach_msg_
838 } __clib_packed app_sapi_attach_msg_t;
840 STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
841 sizeof (((app_sapi_attach_msg_t *) 0)->options),
842 "Out of options, fix message definition");
844 typedef struct app_sapi_attach_reply_msg_
851 u32 api_client_handle;
852 u8 vpp_ctrl_mq_thread;
855 } __clib_packed app_sapi_attach_reply_msg_t;
857 typedef struct app_sapi_worker_add_del_msg_
862 } __clib_packed app_sapi_worker_add_del_msg_t;
864 typedef struct app_sapi_worker_add_del_reply_msg_
868 u64 app_event_queue_address;
870 u32 api_client_handle;
874 } __clib_packed app_sapi_worker_add_del_reply_msg_t;
876 typedef struct app_sapi_cert_key_add_del_msg_
883 } __clib_packed app_sapi_cert_key_add_del_msg_t;
885 typedef struct app_sapi_cert_key_add_del_reply_msg_
890 } __clib_packed app_sapi_cert_key_add_del_reply_msg_t;
892 typedef struct app_sapi_msg_
894 app_sapi_msg_type_e type;
897 app_sapi_attach_msg_t attach;
898 app_sapi_attach_reply_msg_t attach_reply;
899 app_sapi_worker_add_del_msg_t worker_add_del;
900 app_sapi_worker_add_del_reply_msg_t worker_add_del_reply;
901 app_sapi_cert_key_add_del_msg_t cert_key_add_del;
902 app_sapi_cert_key_add_del_reply_msg_t cert_key_add_del_reply;
904 } __clib_packed app_sapi_msg_t;
907 session_endpoint_alloc_ext_cfg (session_endpoint_cfg_t *sep_ext,
908 transport_endpt_ext_cfg_type_t type)
910 transport_endpt_ext_cfg_t *cfg;
913 cfg_size = sizeof (transport_endpt_ext_cfg_t);
914 cfg = clib_mem_alloc (cfg_size);
915 clib_memset (cfg, 0, cfg_size);
917 sep_ext->ext_cfg = cfg;
920 #endif /* __included_uri_h__ */
923 * fd.io coding-style-patch-verification: ON
926 * eval: (c-set-style "gnu")