#include <math.h>
#include <vlib/vlib.h>
#include <vnet/vnet.h>
-#include <vnet/tcp/tcp.h>
#include <vppinfra/elog.h>
+#include <vnet/session/transport.h>
#include <vnet/session/application.h>
#include <vnet/session/session_debug.h>
-#include <vlibmemory/unix_shared_memory_queue.h>
+#include <svm/queue.h>
vlib_node_registration_t session_queue_node;
#undef _
};
-static u32 session_type_to_next[] = {
- SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT,
- SESSION_QUEUE_NEXT_IP4_LOOKUP,
- SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT,
- SESSION_QUEUE_NEXT_IP6_LOOKUP,
-};
-
always_inline void
session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm,
u8 thread_index, svm_fifo_t * fifo,
u32 n_bufs_per_evt, n_frames_per_evt, n_bufs_per_frame;
transport_connection_t *tc0;
transport_proto_vft_t *transport_vft;
+ transport_proto_t tp;
u32 next_index, next0, *to_next, n_left_to_next, bi0;
vlib_buffer_t *b0;
u32 tx_offset = 0, max_dequeue0, n_bytes_per_seg, left_for_seg;
u32 n_bytes_per_buf, deq_per_buf, deq_per_first_buf;
u32 buffers_allocated, buffers_allocated_this_call;
- next_index = next0 = session_type_to_next[s0->session_type];
+ next_index = next0 = smm->session_type_to_next[s0->session_type];
- transport_vft = transport_protocol_get_vft (s0->session_type);
+ tp = session_get_transport_proto (s0);
+ transport_vft = transport_protocol_get_vft (tp);
tc0 = transport_vft->get_connection (s0->connection_index, thread_index);
/* Make sure we have space to send and there's something to dequeue */
return 0;
}
+ /* Allow enqueuing of a new event */
+ svm_fifo_unset_event (s0->server_tx_fifo);
+
/* Check how much we can pull. */
max_dequeue0 = svm_fifo_max_dequeue (s0->server_tx_fifo);
/* Nothing to read return */
if (max_dequeue0 == 0)
- {
- svm_fifo_unset_event (s0->server_tx_fifo);
- return 0;
- }
+ return 0;
/* Ensure we're not writing more than transport window allows */
if (max_dequeue0 < snd_space0)
}
ASSERT (n_bufs >= n_bufs_per_frame);
}
- /* Allow enqueuing of a new event */
- svm_fifo_unset_event (s0->server_tx_fifo);
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (left_to_snd0 && n_left_to_next)
/* *INDENT-ON* */
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- if (VLIB_BUFFER_TRACE_TRAJECTORY)
- b0->pre_data[1] = 3;
if (PREDICT_FALSE (n_trace > 0))
{
n_tx_pkts, 0);
}
+int
+session_tx_fifo_dequeue_internal (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ session_manager_main_t * smm,
+ session_fifo_event_t * e0,
+ stream_session_t * s0, u32 thread_index,
+ int *n_tx_pkts)
+{
+ application_t *app;
+ app = application_get (s0->opaque);
+ svm_fifo_unset_event (s0->server_tx_fifo);
+ return app->cb_fns.builtin_app_tx_callback (s0);
+}
+
always_inline stream_session_t *
session_event_get_session (session_fifo_event_t * e, u8 thread_index)
{
int i, index;
i8 *headp;
- unix_shared_memory_queue_t *q;
+ svm_queue_t *q;
q = smm->vpp_event_queues[my_thread_index];
index = q->head;
session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e)
{
session_manager_main_t *smm = vnet_get_session_manager_main ();
- unix_shared_memory_queue_t *q;
+ svm_queue_t *q;
session_fifo_event_t *pending_event_vector, *evt;
int i, index, found = 0;
i8 *headp;
clib_memcpy (e, headp, q->elsize);
found = session_node_cmp_event (e, f);
if (found)
- break;
+ return 1;
if (++index == q->maxsize)
index = 0;
}
session_fifo_event_t *my_pending_event_vector, *pending_disconnects, *e;
session_fifo_event_t *my_fifo_events;
u32 n_to_dequeue, n_events;
- unix_shared_memory_queue_t *q;
+ svm_queue_t *q;
application_t *app;
int n_tx_packets = 0;
u32 my_thread_index = vm->thread_index;
SESSION_EVT_DBG (SESSION_EVT_POLL_GAP_TRACK, smm, my_thread_index);
/*
- * Update TCP time
+ * Update transport time
*/
- tcp_update_time (now, my_thread_index);
+ transport_update_time (now, my_thread_index);
/*
* Get vpp queue events
for (i = 0; i < n_to_dequeue; i++)
{
vec_add2 (my_fifo_events, e, 1);
- unix_shared_memory_queue_sub_raw (q, (u8 *) e);
+ svm_queue_sub_raw (q, (u8 *) e);
}
/* The other side of the connection is not polling */
/* Can retransmit for closed sessions but can't do anything if
* session is not ready or closed */
if (PREDICT_FALSE (s0->session_state < SESSION_STATE_READY))
- continue;
+ {
+ vec_add1 (smm->pending_event_vector[my_thread_index], *e0);
+ continue;
+ }
/* Spray packets in per session type frames, since they go to
* different nodes */
rv = (smm->session_tx_fns[s0->session_type]) (vm, node, smm, e0, s0,
continue;
}
s0 = session_get_from_handle (e0->session_handle);
- stream_session_disconnect (s0);
+ stream_session_disconnect_transport (s0);
break;
case FIFO_EVENT_BUILTIN_RX:
s0 = session_event_get_session (e0, my_thread_index);
continue;
svm_fifo_unset_event (s0->server_rx_fifo);
app = application_get (s0->app_index);
- app->cb_fns.builtin_server_rx_callback (s0);
+ app->cb_fns.builtin_app_rx_callback (s0);
break;
case FIFO_EVENT_RPC:
fp = e0->rpc_args.fp;
.type = VLIB_NODE_TYPE_INPUT,
.n_errors = ARRAY_LEN (session_queue_error_strings),
.error_strings = session_queue_error_strings,
- .n_next_nodes = SESSION_QUEUE_N_NEXT,
.state = VLIB_NODE_STATE_DISABLED,
- .next_nodes =
- {
- [SESSION_QUEUE_NEXT_DROP] = "error-drop",
- [SESSION_QUEUE_NEXT_IP4_LOOKUP] = "ip4-lookup",
- [SESSION_QUEUE_NEXT_IP6_LOOKUP] = "ip6-lookup",
- [SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT] = "tcp4-output",
- [SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT] = "tcp6-output",
- },
};
/* *INDENT-ON* */
+static clib_error_t *
+session_queue_exit (vlib_main_t * vm)
+{
+ if (vec_len (vlib_mains) < 2)
+ return 0;
+
+ /*
+ * Shut off (especially) worker-thread session nodes.
+ * Otherwise, vpp can crash as the main thread unmaps the
+ * API segment.
+ */
+ vlib_worker_thread_barrier_sync (vm);
+ session_node_enable_disable (0 /* is_enable */ );
+ vlib_worker_thread_barrier_release (vm);
+ return 0;
+}
+
+VLIB_MAIN_LOOP_EXIT_FUNCTION (session_queue_exit);
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff