/* * Copyright (c) 2018-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #define vl_typedefs /* define message structures */ #include #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include #undef vl_printfun u8 * format_api_error (u8 * s, va_list * args) { i32 error = va_arg (*args, u32); uword *p; p = hash_get (vcm->error_string_by_error_number, -error); if (p) s = format (s, "%s (%d)", p[0], error); else s = format (s, "%d", error); return s; } static void vl_api_session_enable_disable_reply_t_handler (vl_api_session_enable_disable_reply_t * mp) { if (mp->retval) { clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (), format_api_error, ntohl (mp->retval)); } else vcm->app_state = STATE_APP_ENABLED; } static int vcl_segment_attach (u64 segment_handle, char *name, ssvm_segment_type_t type, int fd) { fifo_segment_create_args_t _a, *a = &_a; int rv; memset (a, 0, sizeof (*a)); a->segment_name = (char *) name; a->segment_type = type; if (type == SSVM_SEGMENT_MEMFD) a->memfd_fd = fd; if ((rv = fifo_segment_attach (&vcm->segment_main, a))) { clib_warning ("svm_fifo_segment_attach ('%s') failed", name); return rv; } vcl_segment_table_add (segment_handle, a->new_segment_indices[0]); vec_reset_length (a->new_segment_indices); return 0; } static void vcl_segment_detach (u64 segment_handle) { fifo_segment_main_t *sm = &vcm->segment_main; fifo_segment_t *segment; u32 segment_index; segment_index = vcl_segment_table_lookup (segment_handle); if (segment_index == (u32) ~ 0) return; segment = fifo_segment_get_segment (sm, segment_index); fifo_segment_delete (sm, segment); vcl_segment_table_del (segment_handle); VDBG (0, "detached segment %u handle %u", segment_index, segment_handle); } static u64 vcl_vpp_worker_segment_handle (u32 wrk_index) { return (VCL_INVALID_SEGMENT_HANDLE - wrk_index - 1); } static void vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * mp) { vcl_worker_t *wrk = vcl_worker_get (0); u64 segment_handle; int *fds = 0, i; u32 n_fds = 0; if (mp->retval) { VERR ("attach failed: %U", format_api_error, ntohl (mp->retval)); goto failed; } wrk->app_event_queue = uword_to_pointer (mp->app_event_queue_address, svm_msg_q_t *); segment_handle = clib_net_to_host_u64 (mp->segment_handle); if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) { VERR ("invalid segment handle"); goto failed; } if (mp->n_fds) { vec_validate (fds, mp->n_fds); if (vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5)) goto failed; if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) if (vcl_segment_attach (vcl_vpp_worker_segment_handle (0), "vpp-mq-seg", SSVM_SEGMENT_MEMFD, fds[n_fds++])) goto failed; if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) if (vcl_segment_attach (segment_handle, (char *) mp->segment_name, SSVM_SEGMENT_MEMFD, fds[n_fds++])) goto failed; if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) { svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]); vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue); n_fds++; } vec_free (fds); } else { if (vcl_segment_attach (segment_handle, (char *) mp->segment_name, SSVM_SEGMENT_SHM, -1)) goto failed; } vcm->app_index = clib_net_to_host_u32 (mp->app_index); vcm->app_state = STATE_APP_ATTACHED; return; failed: vcm->app_state = STATE_APP_FAILED; for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++) close (fds[i]); vec_free (fds); } static void vl_api_app_worker_add_del_reply_t_handler (vl_api_app_worker_add_del_reply_t * mp) { int n_fds = 0, *fds = 0, i; u64 segment_handle; vcl_worker_t *wrk; u32 wrk_index; if (mp->retval) { clib_warning ("VCL<%d>: add/del worker failed: %U", getpid (), format_api_error, ntohl (mp->retval)); goto failed; } if (!mp->is_add) return; wrk_index = mp->context; wrk = vcl_worker_get_if_valid (wrk_index); if (!wrk) return; wrk->vpp_wrk_index = clib_net_to_host_u32 (mp->wrk_index); wrk->app_event_queue = uword_to_pointer (mp->app_event_queue_address, svm_msg_q_t *); segment_handle = clib_net_to_host_u64 (mp->segment_handle); if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) { clib_warning ("invalid segment handle"); goto failed; } if (mp->n_fds) { vec_validate (fds, mp->n_fds); if (vl_socket_client_recv_fd_msg (fds, mp->n_fds, 5)) goto failed; if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) if (vcl_segment_attach (vcl_vpp_worker_segment_handle (wrk_index), "vpp-worker-seg", SSVM_SEGMENT_MEMFD, fds[n_fds++])) goto failed; if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) if (vcl_segment_attach (segment_handle, (char *) mp->segment_name, SSVM_SEGMENT_MEMFD, fds[n_fds++])) goto failed; if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) { svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]); vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue); n_fds++; } vec_free (fds); } else { if (vcl_segment_attach (segment_handle, (char *) mp->segment_name, SSVM_SEGMENT_SHM, -1)) goto failed; } vcm->app_state = STATE_APP_READY; VDBG (0, "worker %u vpp-worker %u added", wrk_index, wrk->vpp_wrk_index); return; failed: vcm->app_state = STATE_APP_FAILED; for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++) close (fds[i]); vec_free (fds); } static void vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * mp) { if (mp->retval) clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error, ntohl (mp->retval)); vcm->app_state = STATE_APP_ENABLED; } static void vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) { ssvm_segment_type_t seg_type = SSVM_SEGMENT_SHM; u64 segment_handle; int fd = -1; if (mp->fd_flags) { vl_socket_client_recv_fd_msg (&fd, 1, 5); seg_type = SSVM_SEGMENT_MEMFD; } segment_handle = clib_net_to_host_u64 (mp->segment_handle); if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) { clib_warning ("invalid segment handle"); return; } if (vcl_segment_attach (segment_handle, (char *) mp->segment_name, seg_type, fd)) { clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed", getpid (), mp->segment_name); return; } VDBG (1, "VCL<%d>: mapped new segment '%s' size %d", getpid (), mp->segment_name, mp->segment_size); } static void vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) { u64 segment_handle = clib_net_to_host_u64 (mp->segment_handle); vcl_segment_detach (segment_handle); VDBG (1, "Unmapped segment: %d", segment_handle); } static void vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp) { /* Expecting a similar message on mq. So ignore this */ VDBG (0, "bapi bind retval: %u!", mp->retval); } static void vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp) { if (mp->retval) VDBG (0, "ERROR: sid %u: unbind failed: %U", mp->context, format_api_error, ntohl (mp->retval)); VDBG (1, "sid %u: unbind succeeded!", mp->context); } static void vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * mp) { if (mp->retval) VDBG (0, "ERROR: sid %u: disconnect failed: %U", mp->context, format_api_error, ntohl (mp->retval)); } static void vl_api_connect_sock_reply_t_handler (vl_api_connect_sock_reply_t * mp) { if (mp->retval) VDBG (0, "ERROR: connect failed: %U", format_api_error, ntohl (mp->retval)); } static void vl_api_application_tls_cert_add_reply_t_handler (vl_api_application_tls_cert_add_reply_t * mp) { if (mp->retval) { clib_warning ("VCL<%d>: add cert failed: %U", getpid (), format_api_error, ntohl (mp->retval)); return; } } static void vl_api_application_tls_key_add_reply_t_handler (vl_api_application_tls_key_add_reply_t * mp) { if (mp->retval) { clib_warning ("VCL<%d>: add key failed: %U", getpid (), format_api_error, ntohl (mp->retval)); return; } } #define foreach_sock_msg \ _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \ _(BIND_SOCK_REPLY, bind_sock_reply) \ _(UNBIND_SOCK_REPLY, unbind_sock_reply) \ _(CONNECT_SOCK_REPLY, connect_sock_reply) \ _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ _(APPLICATION_ATTACH_REPLY, application_attach_reply) \ _(APPLICATION_DETACH_REPLY, application_detach_reply) \ _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ _(MAP_ANOTHER_SEGMENT, map_another_segment) \ _(UNMAP_SEGMENT, unmap_segment) \ _(APP_WORKER_ADD_DEL_REPLY, app_worker_add_del_reply) \ void vppcom_api_hookup (void) { #define _(N, n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_sock_msg; #undef _ } /* * VPP-API message functions */ void vppcom_send_session_enable_disable (u8 is_enable) { vcl_worker_t *wrk = vcl_worker_get_current (); vl_api_session_enable_disable_t *bmp; bmp = vl_msg_api_alloc (sizeof (*bmp)); memset (bmp, 0, sizeof (*bmp)); bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE); bmp->client_index = wrk->my_client_index; bmp->context = htonl (0xfeedface); bmp->is_enable = is_enable; vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp); } void vppcom_app_send_attach (void) { vcl_worker_t *wrk = vcl_w
/*
 * Copyright (c) 2017 Cisco and/or its affil