/* * Copyright (c) 2018-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * 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 static tls_main_t tls_main; static tls_engine_vft_t *tls_vfts; #define TLS_INVALID_HANDLE ~0 #define TLS_IDX_MASK 0x00FFFFFF #define TLS_ENGINE_TYPE_SHIFT 29 void tls_disconnect (u32 ctx_handle, u32 thread_index); void tls_disconnect_transport (tls_ctx_t * ctx) { vnet_disconnect_args_t a = { .handle = ctx->tls_session_handle, .app_index = tls_main.app_index, }; if (vnet_disconnect_session (&a)) clib_warning ("disconnect returned"); } crypto_engine_type_t tls_get_available_engine (void) { int i; for (i = 0; i < vec_len (tls_vfts); i++) { if (tls_vfts[i].ctx_alloc) return i; } return CRYPTO_ENGINE_NONE; } int tls_add_vpp_q_rx_evt (session_t * s) { if (svm_fifo_set_event (s->rx_fifo)) session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_RX); return 0; } int tls_add_vpp_q_builtin_rx_evt (session_t * s) { if (svm_fifo_set_event (s->rx_fifo)) session_send_io_evt_to_thread (s->rx_fifo, SESSION_IO_EVT_BUILTIN_RX); return 0; } int tls_add_vpp_q_tx_evt (session_t * s) { if (svm_fifo_set_event (s->tx_fifo)) session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX); return 0; } int tls_add_vpp_q_builtin_tx_evt (session_t * s) { if (svm_fifo_set_event (s->tx_fifo)) session_send_io_evt_to_thread_custom (s, s->thread_index, SESSION_IO_EVT_BUILTIN_TX); return 0; } static inline int tls_add_app_q_evt (app_worker_t * app, session_t * app_session) { return app_worker_lock_and_send_event (app, app_session, SESSION_IO_EVT_RX); } u32 tls_listener_ctx_alloc (void) { tls_main_t *tm = &tls_main; tls_ctx_t *ctx; pool_get (tm->listener_ctx_pool, ctx); clib_memset (ctx, 0, sizeof (*ctx)); return ctx - tm->listener_ctx_pool; } void tls_listener_ctx_free (tls_ctx_t * ctx) { if (CLIB_DEBUG) memset (ctx, 0xfb, sizeof (*ctx)); pool_put (tls_main.listener_ctx_pool, ctx); } tls_ctx_t * tls_listener_ctx_get (u32 ctx_index) { return pool_elt_at_index (tls_main.listener_ctx_pool, ctx_index); } u32 tls_listener_ctx_index (tls_ctx_t * ctx) { return (ctx - tls_main.listener_ctx_pool); } u32 tls_ctx_half_open_alloc (void) { tls_main_t *tm = &tls_main; u8 will_expand = 0; tls_ctx_t *ctx; u32 ctx_index; pool_get_aligned_will_expand (tm->half_open_ctx_pool, will_expand, 0); if (PREDICT_FALSE (will_expand && vlib_num_workers ())) { clib_rwlock_writer_lock (&tm->half_open_rwlock); pool_get (tm->half_open_ctx_pool, ctx); ctx_index = ctx - tm->half_open_ctx_pool; clib_rwlock_writer_unlock (&tm->half_open_rwlock); } else { /* reader lock assumption: only main thread will call pool_get */ clib_rwlock_reader_lock (&tm->half_open_rwlock); pool_get (tm->half_open_ctx_pool, ctx); ctx_index = ctx - tm->half_open_ctx_pool; clib_rwlock_reader_unlock (&tm->half_open_rwlock); } clib_memset (ctx, 0, sizeof (*ctx)); return ctx_index; } void tls_ctx_half_open_free (u32 ho_index) { tls_main_t *tm = &tls_main; clib_rwlock_writer_lock (&tm->half_open_rwlock); pool_put_index (tls_main.half_open_ctx_pool, ho_index); clib_rwlock_writer_unlock (&tm->half_open_rwlock); } tls_ctx_t * tls_ctx_half_open_get (u32 ctx_index) { tls_main_t *tm = &tls_main; clib_rwlock_reader_lock (&tm->half_open_rwlock); return pool_elt_at_index (tm->half_open_ctx_pool, ctx_index); } void tls_ctx_half_open_reader_unlock () { clib_rwlock_reader_unlock (&tls_main.half_open_rwlock); } u32 tls_ctx_half_open_index (tls_ctx_t * ctx) { return (ctx - tls_main.half_open_ctx_pool); } void tls_notify_app_enqueue (tls_ctx_t * ctx, session_t * app_session) { app_worker_t *app_wrk; app_wrk = app_worker_get_if_valid (app_session->app_wrk_index); if (PREDICT_TRUE (app_wrk != 0)) tls_add_app_q_evt (app_wrk, app_session); } int tls_notify_app_accept (tls_ctx_t * ctx) { session_t *app_listener, *app_session; app_worker_t *app_wrk; tls_ctx_t *lctx; int rv; lctx = tls_listener_ctx_get (ctx->listener_ctx_index); app_listener = listen_session_get_from_handle (lctx->app_session_handle); app_session = session_get (ctx->c_s_index, ctx->c_thread_index); app_session->app_wrk_index = ctx->parent_app_wrk_index; app_session->connection_index = ctx->tls_ctx_handle; app_session->session_type = app_listener->session_type; app_session->listener_handle = listen_session_get_handle (app_listener); app_session->session_state = SESSION_STATE_ACCEPTING; if ((rv = app_worker_init_accepted (app_session))) { TLS_DBG (1, "failed to allocate fifos"); session_free (app_session); return rv; } ctx->app_session_handle = session_handle (app_session); session_lookup_add_connection (&ctx->connection, session_handle (app_session)); ctx->parent_app_wrk_index = app_session->app_wrk_index; app_wrk = app_worker_get (app_session->app_wrk_index); return app_worker_accept_notify (app_wrk, app_session); } int tls_notify_app_connected (tls_ctx_t * ctx, u8 is_failed) { session_t *app_session; app_worker_t *app_wrk; app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_index); if (!app_wrk) { tls_disconnect_transport (ctx); return -1; } if (is_failed) goto failed; app_session = session_get (ctx->c_s_index, ctx->c_thread_index); app_session->app_wrk_index = ctx->parent_app_wrk_index; app_session->connection_index = ctx->tls_ctx_handle; app_session->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_TLS, ctx->tcp_is_ip4); if (app_worker_init_connected (app_wrk, app_session)) goto failed; app_session->session_state = SESSION_STATE_CONNECTING; if (app_worker_connect_notify (app_wrk, app_session, ctx->parent_app_api_context)) { TLS_DBG (1, "failed to notify app"); tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ()); return -1; } ctx->app_session_handle = session_handle (app_session); app_session->session_state = SESSION_STATE_READY; session_lookup_add_connection (&ctx->connection, session_handle (app_session)); return 0; failed: /* Free app session pre-allocated when transport was established */ session_free (session_get (ctx->c_s_index, ctx->c_thread_index)); ctx->no_app_session = 1; tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_ind
/*
 *------------------------------------------------------------------
 * Copyright (c) 2018 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 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.
 *------------------------------------------------------------------
 */

option version = "1.0.0";

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param pci_addr - pci address as unsigned 32bit integer:
		      0-15 domain, 16-23 bus, 24-28 slot, 29-31 function 
		      ddddddddddddddddbbbbbbbbsssssfff
    @param rxq_num - number of receive queues
    @param rxq_size - receive queue size
    @param txq_size - transmit queue size
*/

define avf_create
{
  u32 client_index;
  u32 context;

  u32 pci_addr;
  i32 enable_elog;
  u16 rxq_num;
  u16 rxq_size;
  u16 txq_size;
  option vat_help = "<pci-address> [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>]";
};

/** \brief
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
    @param sw_if_index - software index for the new avf interface
*/

define avf_create_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index
*/

autoreply define avf_delete
{
  u32 client_index;
  u32 context;

  u32 sw_if_index;
  option vat_help = "<sw_if_index>";
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
ion_parse_handle (ctx->app_session_handle, &app_si, &app_ti); s = format (s, "[%d:%d][TLS] app_wrk %u index %u engine %u tcp %d:%d", app_ti, app_si, ctx->parent_app_wrk_index, ctx_index, ctx_engine, tcp_ti, tcp_si); return s; } u8 * format_tls_connection (u8 * s, va_list * args) { u32 ctx_index = va_arg (*args, u32); u32 thread_index = va_arg (*args, u32); u32 verbose = va_arg (*args, u32); tls_ctx_t *ctx; ctx = tls_ctx_get_w_thread (ctx_index, thread_index); if (!ctx) return s; s = format (s, "%-50U", format_tls_ctx, ctx); if (verbose) { session_t *ts; ts = session_get_from_handle (ctx->app_session_handle); s = format (s, "state: %-7u", ts->session_state); if (verbose > 1) s = format (s, "\n"); } return s; } u8 * format_tls_listener (u8 * s, va_list * args) { u32 tc_index = va_arg (*args, u32); u32 __clib_unused thread_index = va_arg (*args, u32); u32 __clib_unused verbose = va_arg (*args, u32); tls_ctx_t *ctx = tls_listener_ctx_get (tc_index); session_t *tls_listener; app_listener_t *al; u32 app_si, app_ti; al = app_listener_get_w_handle (ctx->tls_session_handle); tls_listener = app_listener_get_session (al); session_parse_handle (ctx->app_session_handle, &app_si, &app_ti); s = format (s, "[%d:%d][TLS] app_wrk %u engine %u tcp %d:%d", app_ti, app_si, ctx->parent_app_wrk_index, ctx->tls_ctx_engine, tls_listener->thread_index, tls_listener->session_index); return s; } u8 * format_tls_half_open (u8 * s, va_list * args) { u32 tc_index = va_arg (*args, u32); u32 __clib_unused thread_index = va_arg (*args, u32); tls_ctx_t *ctx = tls_ctx_half_open_get (tc_index); s = format (s, "[TLS] half-open app %u", ctx->parent_app_wrk_index); tls_ctx_half_open_reader_unlock (); return s; } static void tls_transport_endpoint_get (u32 ctx_handle, u32 thread_index, transport_endpoint_t * tep, u8 is_lcl) { tls_ctx_t *ctx = tls_ctx_get_w_thread (ctx_handle, thread_index); session_t *tcp_session; tcp_session = session_get_from_handle (ctx->tls_session_handle); session_get_endpoint (tcp_session, tep, is_lcl); } static void tls_transport_listener_endpoint_get (u32 ctx_handle, transport_endpoint_t * tep, u8 is_lcl) { session_t *tls_listener; app_listener_t *al; tls_ctx_t *ctx = tls_listener_ctx_get (ctx_handle); al = app_listener_get_w_handle (ctx->tls_session_handle); tls_listener = app_listener_get_session (al); session_get_endpoint (tls_listener, tep, is_lcl); } /* *INDENT-OFF* */ static const transport_proto_vft_t tls_proto = { .connect = tls_connect, .close = tls_disconnect, .start_listen = tls_start_listen, .stop_listen = tls_stop_listen, .get_connection = tls_connection_get, .get_listener = tls_listener_get, .custom_tx = tls_custom_tx_callback, .format_connection = format_tls_connection, .format_half_open = format_tls_half_open, .format_listener = format_tls_listener, .get_transport_endpoint = tls_transport_endpoint_get, .get_transport_listener_endpoint = tls_transport_listener_endpoint_get, .transport_options = { .tx_type = TRANSPORT_TX_INTERNAL, .service_type = TRANSPORT_SERVICE_APP, }, }; /* *INDENT-ON* */ void tls_register_engine (const tls_engine_vft_t * vft, crypto_engine_type_t type) { vec_validate (tls_vfts, type); tls_vfts[type] = *vft; } static clib_error_t * tls_init (vlib_main_t * vm) { u32 add_segment_size = 256 << 20, first_seg_size = 32 << 20; vlib_thread_main_t *vtm = vlib_get_thread_main (); u32 num_threads, fifo_size = 128 << 10; vnet_app_attach_args_t _a, *a = &_a; u64 options[APP_OPTIONS_N_OPTIONS]; tls_main_t *tm = &tls_main; first_seg_size = tm->first_seg_size ? tm->first_seg_size : first_seg_size; fifo_size = tm->fifo_size ? tm->fifo_size : fifo_size; num_threads = 1 /* main thread */ + vtm->n_threads; clib_memset (a, 0, sizeof (*a)); clib_memset (options, 0, sizeof (options)); a->session_cb_vft = &tls_app_cb_vft; a->api_client_index = APP_INVALID_INDEX; a->options = options; a->name = format (0, "tls"); a->options[APP_OPTIONS_SEGMENT_SIZE] = first_seg_size; a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = add_segment_size; a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size; a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size; a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN; a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP; if (vnet_application_attach (a)) { clib_warning ("failed to attach tls app"); return clib_error_return (0, "failed to attach tls app"); } if (!tm->ca_cert_path) tm->ca_cert_path = TLS_CA_CERT_PATH; tm->app_index = a->app_index; clib_rwlock_init (&tm->half_open_rwlock); vec_validate (tm->rx_bufs, num_threads - 1); vec_validate (tm->tx_bufs, num_threads - 1); transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto, FIB_PROTOCOL_IP4, ~0); transport_register_protocol (TRANSPORT_PROTO_TLS, &tls_proto, FIB_PROTOCOL_IP6, ~0); vec_free (a->name); return 0; } VLIB_INIT_FUNCTION (tls_init); static clib_error_t * tls_config_fn (vlib_main_t * vm, unformat_input_t * input) { tls_main_t *tm = &tls_main; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "use-test-cert-in-ca")) tm->use_test_cert_in_ca = 1; else if (unformat (input, "ca-cert-path %s", &tm->ca_cert_path)) ; else if (unformat (input, "first-segment-size %U", unformat_memory_size, &tm->first_seg_size)) ; else if (unformat (input, "fifo-size %U", unformat_memory_size, &tm->fifo_size)) ; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } return 0; } VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls"); tls_main_t * vnet_tls_get_main (void) { return &tls_main; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */