{
old_state = s->session_state;
s->session_state = SESSION_STATE_READY;
- if (!svm_fifo_is_empty (s->rx_fifo))
+
+ if (!svm_fifo_is_empty_prod (s->rx_fifo))
app_worker_lock_and_send_event (app_wrk, s, SESSION_IO_EVT_RX);
/* Closed while waiting for app to reply. Resend disconnect */
if (old_state >= SESSION_STATE_TRANSPORT_CLOSING)
{
- application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.session_disconnect_callback (s);
+ app_worker_close_notify (app_wrk, s);
s->session_state = old_state;
return;
}
app_worker_lock_and_send_event (app_wrk, s, SESSION_IO_EVT_RX);
if (s->session_state >= SESSION_STATE_TRANSPORT_CLOSING)
- app->cb_fns.session_disconnect_callback (s);
+ app_worker_close_notify (app_wrk, s);
}
vlib_node_registration_t session_queue_node;
}
else
{
- if (ctx->transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ if (ctx->transport_vft->transport_options.tx_type ==
+ TRANSPORT_TX_DGRAM)
{
svm_fifo_t *f = ctx->s->tx_fifo;
session_dgram_hdr_t *hdr = &ctx->hdr;
}
}
else
- n_bytes_read = svm_fifo_dequeue_nowait (ctx->s->tx_fifo,
- len_to_deq, data);
+ n_bytes_read = svm_fifo_dequeue (ctx->s->tx_fifo,
+ len_to_deq, data);
}
ASSERT (n_bytes_read == len_to_deq);
chain_b->current_length = n_bytes_read;
}
else
{
- if (ctx->transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ if (ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM)
{
session_dgram_hdr_t *hdr = &ctx->hdr;
svm_fifo_t *f = ctx->s->tx_fifo;
}
else
{
- n_bytes_read = svm_fifo_dequeue_nowait (ctx->s->tx_fifo,
- len_to_deq, data0);
+ n_bytes_read = svm_fifo_dequeue (ctx->s->tx_fifo,
+ len_to_deq, data0);
ASSERT (n_bytes_read > 0);
}
}
*/
if (PREDICT_FALSE (ctx->n_bufs_per_seg > 1 && ctx->left_to_snd))
session_tx_fifo_chain_tail (vm, ctx, b, n_bufs, peek_data);
-
- /* *INDENT-OFF* */
- SESSION_EVT_DBG(SESSION_EVT_DEQ, ctx->s, ({
- ed->data[0] = SESSION_IO_EVT_TX;
- ed->data[1] = ctx->max_dequeue;
- ed->data[2] = len_to_deq;
- ed->data[3] = ctx->left_to_snd;
- }));
- /* *INDENT-ON* */
}
always_inline u8
u32 max_segs, u8 peek_data)
{
u32 n_bytes_per_buf, n_bytes_per_seg;
- ctx->max_dequeue = svm_fifo_max_dequeue (ctx->s->tx_fifo);
+ ctx->max_dequeue = svm_fifo_max_dequeue_cons (ctx->s->tx_fifo);
if (peek_data)
{
/* Offset in rx fifo from where to peek data */
}
else
{
- if (ctx->transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ if (ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM)
{
if (ctx->max_dequeue <= sizeof (ctx->hdr))
{
always_inline int
session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
session_worker_t * wrk,
- session_event_t * e, int *n_tx_packets,
+ session_evt_elt_t * elt, int *n_tx_packets,
u8 peek_data)
{
u32 next_index, next0, next1, *to_next, n_left_to_next, n_left, pbi;
u32 n_trace = vlib_get_trace_count (vm, node), n_bufs_needed = 0;
session_main_t *smm = &session_main;
session_tx_context_t *ctx = &wrk->ctx;
+ session_event_t *e = &elt->evt;
transport_proto_t tp;
vlib_buffer_t *pb;
u16 n_bufs, rv;
if (PREDICT_FALSE ((rv = session_tx_not_ready (ctx->s, peek_data))))
{
if (rv < 2)
- vec_add1 (wrk->pending_event_vector, *e);
+ session_evt_add_pending (wrk, elt);
return SESSION_TX_NO_DATA;
}
ctx->snd_mss);
if (ctx->snd_space == 0 || ctx->snd_mss == 0)
{
- vec_add1 (wrk->pending_event_vector, *e);
+ session_evt_add_pending (wrk, elt);
return SESSION_TX_NO_DATA;
}
{
if (n_bufs)
vlib_buffer_free (vm, wrk->tx_buffers, n_bufs);
- vec_add1 (wrk->pending_event_vector, *e);
+ session_evt_add_pending (wrk, elt);
return SESSION_TX_NO_BUFFERS;
}
ctx->n_segs_per_evt, ctx->s, n_trace);
if (PREDICT_FALSE (n_bufs))
{
- clib_warning ("not all buffers consumed");
vlib_buffer_free (vm, wrk->tx_buffers, n_bufs);
}
*n_tx_packets += ctx->n_segs_per_evt;
transport_connection_update_tx_stats (ctx->tc, ctx->max_len_to_snd);
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ SESSION_EVT (SESSION_EVT_DEQ, ctx->s, ctx->max_len_to_snd, ctx->max_dequeue,
+ ctx->s->tx_fifo->has_event, wrk->last_vlib_time);
+
/* If we couldn't dequeue all bytes mark as partially read */
ASSERT (ctx->left_to_snd == 0);
if (ctx->max_len_to_snd < ctx->max_dequeue)
if (svm_fifo_set_event (ctx->s->tx_fifo))
- vec_add1 (wrk->pending_event_vector, *e);
+ session_evt_add_pending (wrk, elt);
- if (!peek_data && ctx->transport_vft->tx_type == TRANSPORT_TX_DGRAM)
+ if (!peek_data
+ && ctx->transport_vft->transport_options.tx_type == TRANSPORT_TX_DGRAM)
{
/* Fix dgram pre header */
if (ctx->max_len_to_snd < ctx->max_dequeue)
svm_fifo_overwrite_head (ctx->s->tx_fifo, (u8 *) & ctx->hdr,
sizeof (session_dgram_pre_hdr_t));
/* More data needs to be read */
- else if (svm_fifo_max_dequeue (ctx->s->tx_fifo) > 0)
+ else if (svm_fifo_max_dequeue_cons (ctx->s->tx_fifo) > 0)
if (svm_fifo_set_event (ctx->s->tx_fifo))
- vec_add1 (wrk->pending_event_vector, *e);
+ session_evt_add_pending (wrk, elt);
+
+ if (svm_fifo_needs_deq_ntf (ctx->s->tx_fifo, ctx->max_len_to_snd))
+ session_dequeue_notify (ctx->s);
}
return SESSION_TX_OK;
}
int
session_tx_fifo_peek_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
session_worker_t * wrk,
- session_event_t * e, int *n_tx_pkts)
+ session_evt_elt_t * e, int *n_tx_pkts)
{
return session_tx_fifo_read_and_snd_i (vm, node, wrk, e, n_tx_pkts, 1);
}
int
session_tx_fifo_dequeue_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
session_worker_t * wrk,
- session_event_t * e, int *n_tx_pkts)
+ session_evt_elt_t * e, int *n_tx_pkts)
{
return session_tx_fifo_read_and_snd_i (vm, node, wrk, e, n_tx_pkts, 0);
}
session_tx_fifo_dequeue_internal (vlib_main_t * vm,
vlib_node_runtime_t * node,
session_worker_t * wrk,
- session_event_t * e, int *n_tx_pkts)
+ session_evt_elt_t * e, int *n_tx_pkts)
{
session_t *s = wrk->ctx.s;
- application_t *app;
- if (PREDICT_FALSE (s->session_state == SESSION_STATE_CLOSED))
+ if (PREDICT_FALSE (s->session_state >= SESSION_STATE_TRANSPORT_CLOSED))
return 0;
- app = application_get (s->t_app_index);
svm_fifo_unset_event (s->tx_fifo);
- return app->cb_fns.builtin_app_tx_callback (s);
+ return transport_custom_tx (session_get_transport_proto (s), s);
}
always_inline session_t *
session_event_get_session (session_event_t * e, u8 thread_index)
{
- return session_get_if_valid (e->fifo->master_session_index, thread_index);
+ return session_get_if_valid (e->session_index, thread_index);
}
static void
vlib_frame_t * frame)
{
session_main_t *smm = vnet_get_session_main ();
- u32 thread_index = vm->thread_index, n_to_dequeue, n_events;
+ u32 thread_index = vm->thread_index, n_to_dequeue;
session_worker_t *wrk = &smm->wrk[thread_index];
- session_event_t *e, *fifo_events;
+ session_evt_elt_t *elt, *new_he, *new_te, *pending_he;
+ session_evt_elt_t *disconnects_he, *postponed_he;
svm_msg_q_msg_t _msg, *msg = &_msg;
f64 now = vlib_time_now (vm);
int n_tx_packets = 0, i, rv;
app_worker_t *app_wrk;
- application_t *app;
svm_msg_q_t *mq;
void (*fp) (void *);
- SESSION_EVT_DBG (SESSION_EVT_POLL_GAP_TRACK, smm, thread_index);
+ SESSION_EVT (SESSION_EVT_DISPATCH_START, wrk);
/*
* Update transport time
session_update_dispatch_period (wrk, now, thread_index);
transport_update_time (now, thread_index);
- SESSION_EVT_DBG (SESSION_EVT_DEQ_NODE, 0);
-
/* Make sure postponed events are handled first */
- fifo_events = wrk->free_event_vector;
- vec_append (fifo_events, wrk->postponed_event_vector);
- _vec_len (wrk->postponed_event_vector) = 0;
+ new_he = pool_elt_at_index (wrk->event_elts, wrk->new_head);
+ new_te = clib_llist_prev (wrk->event_elts, evt_list, new_he);
+
+ postponed_he = pool_elt_at_index (wrk->event_elts, wrk->postponed_head);
+ clib_llist_splice (wrk->event_elts, evt_list, new_te, postponed_he);
/* Try to dequeue what is available. Don't wait for lock.
* XXX: we may need priorities here */
{
for (i = 0; i < n_to_dequeue; i++)
{
- vec_add2 (fifo_events, e, 1);
+ elt = session_evt_elt_alloc (wrk);
svm_msg_q_sub_w_lock (mq, msg);
/* Works because reply messages are smaller than a session evt.
* If we ever need to support bigger messages this needs to be
* fixed */
- clib_memcpy_fast (e, svm_msg_q_msg_data (mq, msg), sizeof (*e));
+ clib_memcpy_fast (&elt->evt, svm_msg_q_msg_data (mq, msg),
+ sizeof (elt->evt));
svm_msg_q_free_msg (mq, msg);
+ new_he = pool_elt_at_index (wrk->event_elts, wrk->new_head);
+ clib_llist_add_tail (wrk->event_elts, evt_list, elt, new_he);
}
svm_msg_q_unlock (mq);
}
- vec_append (fifo_events, wrk->pending_event_vector);
- vec_append (fifo_events, wrk->pending_disconnects);
+ pending_he = pool_elt_at_index (wrk->event_elts, wrk->pending_head);
+ postponed_he = pool_elt_at_index (wrk->event_elts, wrk->postponed_head);
+ disconnects_he = pool_elt_at_index (wrk->event_elts, wrk->disconnects_head);
- _vec_len (wrk->pending_event_vector) = 0;
- _vec_len (wrk->pending_disconnects) = 0;
-
- n_events = vec_len (fifo_events);
- if (PREDICT_FALSE (!n_events))
- return 0;
+ new_te = clib_llist_prev (wrk->event_elts, evt_list, new_he);
+ clib_llist_splice (wrk->event_elts, evt_list, new_te, pending_he);
+ new_te = clib_llist_prev (wrk->event_elts, evt_list, new_he);
+ clib_llist_splice (wrk->event_elts, evt_list, new_te, disconnects_he);
- for (i = 0; i < n_events; i++)
+ while (!clib_llist_is_empty (wrk->event_elts, evt_list, new_he))
{
- session_t *s; /* $$$ prefetch 1 ahead maybe */
+ clib_llist_index_t ei;
session_event_t *e;
- u8 need_tx_ntf;
+ session_t *s;
- e = &fifo_events[i];
+ clib_llist_pop_first (wrk->event_elts, evt_list, elt, new_he);
+ ei = clib_llist_entry_index (wrk->event_elts, elt);
+ e = &elt->evt;
switch (e->event_type)
{
case SESSION_IO_EVT_TX_FLUSH:
/* Don't try to send more that one frame per dispatch cycle */
if (n_tx_packets == VLIB_FRAME_SIZE)
{
- vec_add1 (wrk->postponed_event_vector, *e);
- break;
+ session_evt_add_postponed (wrk, elt);
+ continue;
}
s = session_event_get_session (e, thread_index);
if (PREDICT_FALSE (!s))
{
clib_warning ("session was freed!");
- continue;
+ break;
}
+ CLIB_PREFETCH (s->tx_fifo, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
wrk->ctx.s = s;
/* Spray packets in per session type frames, since they go to
* different nodes */
- rv = (smm->session_tx_fns[s->session_type]) (vm, node, wrk, e,
+ rv = (smm->session_tx_fns[s->session_type]) (vm, node, wrk, elt,
&n_tx_packets);
- if (PREDICT_TRUE (rv == SESSION_TX_OK))
- {
- need_tx_ntf = svm_fifo_needs_tx_ntf (s->tx_fifo,
- wrk->ctx.max_len_to_snd);
- if (PREDICT_FALSE (need_tx_ntf))
- session_dequeue_notify (s);
- }
- else if (PREDICT_FALSE (rv == SESSION_TX_NO_BUFFERS))
+ if (PREDICT_FALSE (rv == SESSION_TX_NO_BUFFERS))
{
vlib_node_increment_counter (vm, node->node_index,
SESSION_QUEUE_ERROR_NO_BUFFER, 1);
- continue;
+ break;
}
break;
+ case SESSION_IO_EVT_RX:
+ s = session_event_get_session (e, thread_index);
+ if (!s)
+ break;
+ transport_app_rx_evt (session_get_transport_proto (s),
+ s->connection_index, s->thread_index);
+ break;
case SESSION_CTRL_EVT_CLOSE:
s = session_get_from_handle_if_valid (e->session_handle);
if (PREDICT_FALSE (!s))
* and the tx queue is still not empty, try to wait for some
* dispatch cycles */
if (!e->postponed
- || (e->postponed < 200 && svm_fifo_max_dequeue (s->tx_fifo)))
+ || (e->postponed < 200
+ && svm_fifo_max_dequeue_cons (s->tx_fifo)))
{
e->postponed += 1;
- vec_add1 (wrk->pending_disconnects, *e);
+ session_evt_add_pending (wrk, elt);
continue;
}
case SESSION_IO_EVT_BUILTIN_RX:
s = session_event_get_session (e, thread_index);
if (PREDICT_FALSE (!s || s->session_state >= SESSION_STATE_CLOSING))
- continue;
+ break;
svm_fifo_unset_event (s->rx_fifo);
app_wrk = app_worker_get (s->app_wrk_index);
- app = application_get (app_wrk->app_index);
- app->cb_fns.builtin_app_rx_callback (s);
+ app_worker_builtin_rx (app_wrk, s);
break;
case SESSION_IO_EVT_BUILTIN_TX:
s = session_get_from_handle_if_valid (e->session_handle);
wrk->ctx.s = s;
if (PREDICT_TRUE (s != 0))
- session_tx_fifo_dequeue_internal (vm, node, wrk, e,
+ session_tx_fifo_dequeue_internal (vm, node, wrk, elt,
&n_tx_packets);
break;
case SESSION_CTRL_EVT_RPC:
default:
clib_warning ("unhandled event type %d", e->event_type);
}
+
+ /* Regrab elements in case pool moved */
+ elt = pool_elt_at_index (wrk->event_elts, ei);
+ if (!clib_llist_elt_is_linked (elt, evt_list))
+ session_evt_elt_free (wrk, elt);
+
+ new_he = pool_elt_at_index (wrk->event_elts, wrk->new_head);
}
- _vec_len (fifo_events) = 0;
- wrk->free_event_vector = fifo_events;
wrk->last_tx_packets = n_tx_packets;
vlib_node_increment_counter (vm, session_queue_node.index,
SESSION_QUEUE_ERROR_TX, n_tx_packets);
- SESSION_EVT_DBG (SESSION_EVT_DISPATCH_END, smm, thread_index);
+ SESSION_EVT (SESSION_EVT_DISPATCH_END, wrk, n_tx_packets);
return n_tx_packets;
}
case SESSION_IO_EVT_RX:
case SESSION_IO_EVT_TX:
case SESSION_IO_EVT_BUILTIN_RX:
- if (e->fifo == f)
+ if (e->session_index == f->master_session_index)
return 1;
break;
case SESSION_CTRL_EVT_CLOSE:
u8
session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e)
{
- session_event_t *pending_event_vector, *evt;
+ session_evt_elt_t *elt;
session_worker_t *wrk;
int i, index, found = 0;
svm_msg_q_msg_t *msg;
/*
* Search pending events vector
*/
- pending_event_vector = wrk->pending_event_vector;
- vec_foreach (evt, pending_event_vector)
- {
- found = session_node_cmp_event (evt, f);
+
+ /* *INDENT-OFF* */
+ clib_llist_foreach (wrk->event_elts, evt_list,
+ session_evt_pending_head (wrk), elt, ({
+ found = session_node_cmp_event (&elt->evt, f);
if (found)
{
- clib_memcpy_fast (e, evt, sizeof (*evt));
+ clib_memcpy_fast (e, &elt->evt, sizeof (*e));
break;
}
- }
+
+ }));
+ /* *INDENT-ON* */
+
return found;
}
Code Review / vpp.git / blobdiff