return 0;
}
+void
+appsl_pending_rx_mqs_add_tail (appsl_wrk_t *aw, app_rx_mq_elt_t *elt)
+{
+ app_rx_mq_elt_t *head;
+
+ if (!aw->pending_rx_mqs)
+ {
+ elt->next = elt->prev = elt;
+ aw->pending_rx_mqs = elt;
+ return;
+ }
+
+ head = aw->pending_rx_mqs;
+
+ ASSERT (head != elt);
+
+ elt->prev = head->prev;
+ elt->next = head;
+
+ head->prev->next = elt;
+ head->prev = elt;
+}
+
+void
+appsl_pending_rx_mqs_del (appsl_wrk_t *aw, app_rx_mq_elt_t *elt)
+{
+ if (elt->next == elt)
+ {
+ elt->next = elt->prev = 0;
+ aw->pending_rx_mqs = 0;
+ return;
+ }
+
+ if (elt == aw->pending_rx_mqs)
+ aw->pending_rx_mqs = elt->next;
+
+ elt->next->prev = elt->prev;
+ elt->prev->next = elt->next;
+ elt->next = elt->prev = 0;
+}
+
+vlib_node_registration_t appsl_rx_mqs_input_node;
+
+VLIB_NODE_FN (appsl_rx_mqs_input_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ u32 thread_index = vm->thread_index, n_msgs = 0;
+ app_rx_mq_elt_t *elt, *next;
+ app_main_t *am = &app_main;
+ session_worker_t *wrk;
+ int __clib_unused rv;
+ appsl_wrk_t *aw;
+ u64 buf;
+
+ aw = &am->wrk[thread_index];
+ elt = aw->pending_rx_mqs;
+ if (!elt)
+ return 0;
+
+ wrk = session_main_get_worker (thread_index);
+
+ do
+ {
+ if (!(elt->flags & APP_RX_MQ_F_POSTPONED))
+ rv = read (svm_msg_q_get_eventfd (elt->mq), &buf, sizeof (buf));
+ n_msgs += session_wrk_handle_mq (wrk, elt->mq);
+
+ next = elt->next;
+ appsl_pending_rx_mqs_del (aw, elt);
+ if (!svm_msg_q_is_empty (elt->mq))
+ {
+ elt->flags |= APP_RX_MQ_F_POSTPONED;
+ appsl_pending_rx_mqs_add_tail (aw, elt);
+ }
+ else
+ {
+ elt->flags = 0;
+ }
+ elt = next;
+ }
+ while (aw->pending_rx_mqs && elt != aw->pending_rx_mqs);
+
+ if (aw->pending_rx_mqs)
+ vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index);
+
+ return n_msgs;
+}
+
+VLIB_REGISTER_NODE (appsl_rx_mqs_input_node) = {
+ .name = "appsl-rx-mqs-input",
+ .type = VLIB_NODE_TYPE_INPUT,
+ .state = VLIB_NODE_STATE_DISABLED,
+};
+
+static clib_error_t *
+app_rx_mq_fd_read_ready (clib_file_t *cf)
+{
+ app_rx_mq_handle_t *handle = (app_rx_mq_handle_t *) &cf->private_data;
+ vlib_main_t *vm = vlib_get_main ();
+ app_main_t *am = &app_main;
+ app_rx_mq_elt_t *mqe;
+ application_t *app;
+ appsl_wrk_t *aw;
+
+ ASSERT (vlib_get_thread_index () == handle->thread_index);
+ app = application_get_if_valid (handle->app_index);
+ if (!app)
+ return 0;
+
+ mqe = &app->rx_mqs[handle->thread_index];
+ if ((mqe->flags & APP_RX_MQ_F_PENDING) || svm_msg_q_is_empty (mqe->mq))
+ return 0;
+
+ aw = &am->wrk[handle->thread_index];
+ appsl_pending_rx_mqs_add_tail (aw, mqe);
+ mqe->flags |= APP_RX_MQ_F_PENDING;
+
+ vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index);
+
+ return 0;
+}
+
+static clib_error_t *
+app_rx_mq_fd_write_ready (clib_file_t *cf)
+{
+ clib_warning ("should not be called");
+ return 0;
+}
+
+static void
+app_rx_mqs_epoll_add (application_t *app, app_rx_mq_elt_t *mqe)
+{
+ clib_file_t template = { 0 };
+ app_rx_mq_handle_t handle;
+ u32 thread_index;
+ int fd;
+
+ thread_index = mqe - app->rx_mqs;
+ fd = svm_msg_q_get_eventfd (mqe->mq);
+
+ handle.app_index = app->app_index;
+ handle.thread_index = thread_index;
+
+ template.read_function = app_rx_mq_fd_read_ready;
+ template.write_function = app_rx_mq_fd_write_ready;
+ template.file_descriptor = fd;
+ template.private_data = handle.as_u64;
+ template.polling_thread_index = thread_index;
+ template.description =
+ format (0, "app-%u-rx-mq-%u", app->app_index, thread_index);
+ mqe->file_index = clib_file_add (&file_main, &template);
+}
+
+static void
+app_rx_mqs_epoll_del (application_t *app, app_rx_mq_elt_t *mqe)
+{
+ u32 thread_index = mqe - app->rx_mqs;
+ app_main_t *am = &app_main;
+ appsl_wrk_t *aw;
+
+ aw = &am->wrk[thread_index];
+
+ if (mqe->flags & APP_RX_MQ_F_PENDING)
+ {
+ session_wrk_handle_mq (session_main_get_worker (thread_index), mqe->mq);
+ appsl_pending_rx_mqs_del (aw, mqe);
+ }
+
+ clib_file_del_by_index (&file_main, mqe->file_index);
+}
+
+svm_msg_q_t *
+application_rx_mq_get (application_t *app, u32 mq_index)
+{
+ if (!app->rx_mqs)
+ return 0;
+
+ return app->rx_mqs[mq_index].mq;
+}
+
+static int
+app_rx_mqs_alloc (application_t *app)
+{
+ u32 evt_q_length, evt_size = sizeof (session_event_t);
+ fifo_segment_t *eqs = &app->rx_mqs_segment;
+ u32 n_mqs = vlib_num_workers () + 1;
+ segment_manager_props_t *props;
+ int i;
+
+ props = application_segment_manager_properties (app);
+ evt_q_length = clib_max (props->evt_q_size, 128);
+
+ svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
+ svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = {
+ { evt_q_length, evt_size, 0 }, { evt_q_length >> 1, 256, 0 }
+ };
+ cfg->consumer_pid = 0;
+ cfg->n_rings = 2;
+ cfg->q_nitems = evt_q_length;
+ cfg->ring_cfgs = rc;
+
+ eqs->ssvm.ssvm_size = svm_msg_q_size_to_alloc (cfg) * n_mqs + (16 << 10);
+ eqs->ssvm.name = format (0, "%s-rx-mqs-seg%c", app->name, 0);
+
+ if (ssvm_server_init (&eqs->ssvm, SSVM_SEGMENT_MEMFD))
+ {
+ clib_warning ("failed to initialize queue segment");
+ return SESSION_E_SEG_CREATE;
+ }
+
+ fifo_segment_init (eqs);
+
+ /* Fifo segment filled only with mqs */
+ eqs->h->n_mqs = n_mqs;
+ vec_validate (app->rx_mqs, n_mqs - 1);
+
+ for (i = 0; i < n_mqs; i++)
+ {
+ app->rx_mqs[i].mq = fifo_segment_msg_q_alloc (eqs, i, cfg);
+ if (svm_msg_q_alloc_eventfd (app->rx_mqs[i].mq))
+ {
+ clib_warning ("eventfd returned");
+ fifo_segment_cleanup (eqs);
+ ssvm_delete (&eqs->ssvm);
+ return SESSION_E_EVENTFD_ALLOC;
+ }
+ app_rx_mqs_epoll_add (app, &app->rx_mqs[i]);
+ app->rx_mqs[i].app_index = app->app_index;
+ }
+
+ return 0;
+}
+
+u8
+application_use_private_rx_mqs (void)
+{
+ return session_main.use_private_rx_mqs;
+}
+
+fifo_segment_t *
+application_get_rx_mqs_segment (application_t *app)
+{
+ if (application_use_private_rx_mqs ())
+ return &app->rx_mqs_segment;
+ return session_main_get_evt_q_segment ();
+}
+
+void
+application_enable_rx_mqs_nodes (u8 is_en)
+{
+ u8 state = is_en ? VLIB_NODE_STATE_INTERRUPT : VLIB_NODE_STATE_DISABLED;
+
+ foreach_vlib_main ()
+ vlib_node_set_state (this_vlib_main, appsl_rx_mqs_input_node.index, state);
+}
+
static application_t *
application_alloc (void)
{
/* *INDENT-ON* */
pool_free (app->worker_maps);
+ /*
+ * Free rx mqs if allocated
+ */
+ if (app->rx_mqs)
+ {
+ int i;
+ for (i = 0; i < vec_len (app->rx_mqs); i++)
+ app_rx_mqs_epoll_del (app, &app->rx_mqs[i]);
+
+ fifo_segment_cleanup (&app->rx_mqs_segment);
+ ssvm_delete (&app->rx_mqs_segment.ssvm);
+ vec_free (app->rx_mqs);
+ }
+
/*
* Cleanup remaining state
*/
a->segment_handle = segment_manager_segment_handle (sm, fs);
segment_manager_segment_reader_unlock (sm);
+
+ if (!application_is_builtin (app) && application_use_private_rx_mqs ())
+ rv = app_rx_mqs_alloc (app);
+
vec_free (app_name);
- return 0;
+ return rv;
}
/**
{
app_worker_map_t *map;
app_worker_t *wrk;
+ int i;
+
/* *INDENT-OFF* */
pool_foreach (map, app->worker_maps) {
wrk = app_worker_get (map->wrk_index);
wrk->event_queue);
}
/* *INDENT-ON* */
+
+ for (i = 0; i < vec_len (app->rx_mqs); i++)
+ vlib_cli_output (vm, "[A%d][R%d]%U", app->app_index, i, format_svm_msg_q,
+ app->rx_mqs[i].mq);
}
static clib_error_t *
application_t *app;
int i, n_threads;
- n_threads = vec_len (vlib_mains);
+ n_threads = vlib_get_n_threads ();
for (i = 0; i < n_threads; i++)
{
clib_error_t *
application_init (vlib_main_t * vm)
{
+ app_main_t *am = &app_main;
+ u32 n_workers;
+
+ n_workers = vlib_num_workers ();
+
/* Index 0 was originally used by legacy apis, maintain as invalid */
(void) app_cert_key_pair_alloc ();
- app_main.last_crypto_engine = CRYPTO_ENGINE_LAST;
- app_main.app_by_name = hash_create_vec (0, sizeof (u8), sizeof (uword));
+ am->last_crypto_engine = CRYPTO_ENGINE_LAST;
+ am->app_by_name = hash_create_vec (0, sizeof (u8), sizeof (uword));
+
+ vec_validate (am->wrk, n_workers);
+
return 0;
}
Code Review / vpp.git / blobdiff