X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlibmemory%2Fvlib_api.c;h=e1a6bd18d554591edee229826500032e33446f5d;hb=71f36067ca923fa4eb10060d6f6878f5fa864673;hp=b72f1335c292a4cabdd08fce942fe01e8a5c0e6b;hpb=b7b929931a07fbb27b43d5cd105f366c3e29807e;p=vpp.git diff --git a/src/vlibmemory/vlib_api.c b/src/vlibmemory/vlib_api.c index b72f1335c29..e1a6bd18d55 100644 --- a/src/vlibmemory/vlib_api.c +++ b/src/vlibmemory/vlib_api.c @@ -68,29 +68,6 @@ vl_api_trace_plugin_msg_ids_t_print (vl_api_trace_plugin_msg_ids_t * a, #include #undef vl_endianfun -u8 * -vl_api_serialize_message_table (api_main_t * am, u8 * vector) -{ - serialize_main_t _sm, *sm = &_sm; - hash_pair_t *hp; - u32 nmsg = hash_elts (am->msg_index_by_name_and_crc); - - serialize_open_vector (sm, vector); - - /* serialize the count */ - serialize_integer (sm, nmsg, sizeof (u32)); - - /* *INDENT-OFF* */ - hash_foreach_pair (hp, am->msg_index_by_name_and_crc, - ({ - serialize_likely_small_unsigned_integer (sm, hp->value[0]); - serialize_cstring (sm, (char *) hp->key); - })); - /* *INDENT-ON* */ - - return serialize_close_vector (sm); -} - static void vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp) { @@ -306,7 +283,7 @@ vl_api_clnt_process (vlib_main_t * vm, vlib_node_runtime_t * node, q = shm->vl_input_queue; e = vlib_call_init_exit_functions - (vm, vm->api_init_function_registrations, 1 /* call_once */ ); + (vm, &vm->api_init_function_registrations, 1 /* call_once */ ); if (e) clib_error_report (e); @@ -346,7 +323,8 @@ vl_api_clnt_process (vlib_main_t * vm, vlib_node_runtime_t * node, start_time = vlib_time_now (vm); while (1) { - if (vl_mem_api_handle_msg_main (vm, node)) + if (vl_mem_api_handle_rpc (vm, node) + || vl_mem_api_handle_msg_main (vm, node)) { vm->api_queue_nonempty = 0; VL_MEM_API_LOG_Q_LEN ("q-underflow: len %d", 0); @@ -463,7 +441,7 @@ api_rx_from_node (vlib_main_t * vm, vec_validate (long_msg, 4095); n_left_from = frame->n_vectors; - from = vlib_frame_args (frame); + from = vlib_frame_vector_args (frame); while (n_left_from > 0) { @@ -497,7 +475,7 @@ api_rx_from_node (vlib_main_t * vm, } /* Free what we've been given. */ - vlib_buffer_free (vm, vlib_frame_args (frame), n_packets); + vlib_buffer_free (vm, vlib_frame_vector_args (frame), n_packets); return n_packets; } @@ -564,36 +542,14 @@ vl_api_rpc_call_reply_t_handler (vl_api_rpc_call_reply_t * mp) void vl_api_send_pending_rpc_requests (vlib_main_t * vm) { - api_main_t *am = &api_main; - vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr; - svm_queue_t *q; - int i; + vlib_main_t *vm_global = &vlib_global_main; - /* - * Use the "normal" control-plane mechanism for the main thread. - * Well, almost. if the main input queue is full, we cannot - * block. Otherwise, we can expect a barrier sync timeout. - */ - q = shmem_hdr->vl_input_queue; - - for (i = 0; i < vec_len (vm->pending_rpc_requests); i++) - { - while (pthread_mutex_trylock (&q->mutex)) - vlib_worker_thread_barrier_check (); + ASSERT (vm != vm_global); - while (PREDICT_FALSE (svm_queue_is_full (q))) - { - pthread_mutex_unlock (&q->mutex); - vlib_worker_thread_barrier_check (); - while (pthread_mutex_trylock (&q->mutex)) - vlib_worker_thread_barrier_check (); - } - - vl_msg_api_send_shmem_nolock (q, (u8 *) (vm->pending_rpc_requests + i)); - - pthread_mutex_unlock (&q->mutex); - } - _vec_len (vm->pending_rpc_requests) = 0; + clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock); + vec_append (vm_global->pending_rpc_requests, vm->pending_rpc_requests); + vec_reset_length (vm->pending_rpc_requests); + clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock); } always_inline void @@ -601,6 +557,7 @@ vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length, u8 force_rpc) { vl_api_rpc_call_t *mp; + vlib_main_t *vm_global = &vlib_global_main; vlib_main_t *vm = vlib_get_main (); /* Main thread and not a forced RPC: call the function directly */ @@ -621,12 +578,17 @@ vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length, mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + data_length); clib_memset (mp, 0, sizeof (*mp)); - clib_memcpy (mp->data, data, data_length); + clib_memcpy_fast (mp->data, data, data_length); mp->_vl_msg_id = ntohs (VL_API_RPC_CALL); mp->function = pointer_to_uword (fp); mp->need_barrier_sync = 1; + /* Add to the pending vector. Thread 0 requires locking. */ + if (vm == vm_global) + clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock); vec_add1 (vm->pending_rpc_requests, (uword) mp); + if (vm == vm_global) + clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock); } /*