#include <vnet/dpo/load_balance.h>
#include <vnet/fib/ip4_fib.h>
-session_manager_main_t session_manager_main;
+session_main_t session_main;
static inline int
session_send_evt_to_thread (void *data, void *args, u32 thread_index,
svm_msg_q_t *mq;
u32 tries = 0, max_tries;
- mq = session_manager_get_vpp_event_queue (thread_index);
+ mq = session_main_get_vpp_event_queue (thread_index);
while (svm_msg_q_try_lock (mq))
{
max_tries = vlib_get_current_process (vlib_get_main ())? 1e6 : 3;
case SESSION_IO_EVT_TX:
case SESSION_IO_EVT_TX_FLUSH:
case SESSION_IO_EVT_BUILTIN_RX:
- evt->fifo = data;
+ evt->session_index = *(u32 *) data;
break;
case SESSION_IO_EVT_BUILTIN_TX:
case SESSION_CTRL_EVT_CLOSE:
int
session_send_io_evt_to_thread (svm_fifo_t * f, session_evt_type_t evt_type)
{
- return session_send_evt_to_thread (f, 0, f->master_thread_index, evt_type);
+ return session_send_evt_to_thread (&f->master_session_index, 0,
+ f->master_thread_index, evt_type);
}
int
SESSION_CTRL_EVT_CLOSE);
}
+void
+session_send_rpc_evt_to_thread_force (u32 thread_index, void *fp,
+ void *rpc_args)
+{
+ session_send_evt_to_thread (fp, rpc_args, thread_index,
+ SESSION_CTRL_EVT_RPC);
+}
+
void
session_send_rpc_evt_to_thread (u32 thread_index, void *fp, void *rpc_args)
{
if (thread_index != vlib_get_thread_index ())
- session_send_evt_to_thread (fp, rpc_args, thread_index,
- SESSION_CTRL_EVT_RPC);
+ session_send_rpc_evt_to_thread_force (thread_index, fp, rpc_args);
else
{
void (*fnp) (void *) = fp;
session_program_transport_close (session_t * s)
{
u32 thread_index = vlib_get_thread_index ();
- session_manager_worker_t *wrk;
+ session_worker_t *wrk;
session_event_t *evt;
- if (!session_has_transport (s))
- {
- /* Polling may not be enabled on main thread so close now */
- session_transport_close (s);
- return;
- }
-
/* If we are in the handler thread, or being called with the worker barrier
* held, just append a new event to pending disconnects vector. */
if (vlib_thread_is_main_w_barrier () || thread_index == s->thread_index)
{
- wrk = session_manager_get_worker (s->thread_index);
+ wrk = session_main_get_worker (s->thread_index);
vec_add2 (wrk->pending_disconnects, evt, 1);
clib_memset (evt, 0, sizeof (*evt));
evt->session_handle = session_handle (s);
session_t *
session_alloc (u32 thread_index)
{
- session_manager_worker_t *wrk = &session_manager_main.wrk[thread_index];
+ session_worker_t *wrk = &session_main.wrk[thread_index];
session_t *s;
u8 will_expand = 0;
pool_get_aligned_will_expand (wrk->sessions, will_expand,
void
session_free (session_t * s)
{
- pool_put (session_manager_main.wrk[s->thread_index].sessions, s);
if (CLIB_DEBUG)
- clib_memset (s, 0xFA, sizeof (*s));
+ {
+ u8 thread_index = s->thread_index;
+ clib_memset (s, 0xFA, sizeof (*s));
+ pool_put (session_main.wrk[thread_index].sessions, s);
+ return;
+ }
+ SESSION_EVT_DBG (SESSION_EVT_FREE, s);
+ pool_put (session_main.wrk[s->thread_index].sessions, s);
}
void
session_free_w_fifos (session_t * s)
{
- segment_manager_dealloc_fifos (s->svm_segment_index, s->rx_fifo,
- s->tx_fifo);
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
session_free (s);
}
s = session_alloc (thread_index);
s->session_type = session_type_from_proto_and_ip (tc->proto, tc->is_ip4);
- s->enqueue_epoch = (u64) ~ 0;
s->session_state = SESSION_STATE_CLOSED;
/* Attach transport to session and vice versa */
{
/* Queue RX event on this fifo. Eventually these will need to be flushed
* by calling stream_server_flush_enqueue_events () */
- session_manager_worker_t *wrk;
+ session_worker_t *wrk;
- wrk = session_manager_get_worker (s->thread_index);
- if (s->enqueue_epoch != wrk->current_enqueue_epoch[tc->proto])
+ wrk = session_main_get_worker (s->thread_index);
+ if (!(s->flags & SESSION_F_RX_EVT))
{
- s->enqueue_epoch = wrk->current_enqueue_epoch[tc->proto];
+ s->flags |= SESSION_F_RX_EVT;
vec_add1 (wrk->session_to_enqueue[tc->proto], s->session_index);
}
}
{
int enqueued = 0, rv, in_order_off;
- ASSERT (svm_fifo_max_enqueue (s->rx_fifo)
+ ASSERT (svm_fifo_max_enqueue_prod (s->rx_fifo)
>= b->current_length + sizeof (*hdr));
svm_fifo_enqueue_nowait (s->rx_fifo, sizeof (session_dgram_hdr_t),
{
/* Queue RX event on this fifo. Eventually these will need to be flushed
* by calling stream_server_flush_enqueue_events () */
- session_manager_worker_t *wrk;
+ session_worker_t *wrk;
- wrk = session_manager_get_worker (s->thread_index);
- if (s->enqueue_epoch != wrk->current_enqueue_epoch[proto])
+ wrk = session_main_get_worker (s->thread_index);
+ if (!(s->flags & SESSION_F_RX_EVT))
{
- s->enqueue_epoch = wrk->current_enqueue_epoch[proto];
+ s->flags |= SESSION_F_RX_EVT;
vec_add1 (wrk->session_to_enqueue[proto], s->session_index);
}
}
return enqueued;
}
-/** Check if we have space in rx fifo to push more bytes */
-u8
-stream_session_no_space (transport_connection_t * tc, u32 thread_index,
- u16 data_len)
-{
- session_t *s = session_get (tc->s_index, thread_index);
-
- if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY))
- return 1;
-
- if (data_len > svm_fifo_max_enqueue (s->rx_fifo))
- return 1;
-
- return 0;
-}
-
-u32
-session_tx_fifo_max_dequeue (transport_connection_t * tc)
-{
- session_t *s = session_get (tc->s_index, tc->thread_index);
- if (!s->tx_fifo)
- return 0;
- return svm_fifo_max_dequeue (s->tx_fifo);
-}
-
int
-stream_session_peek_bytes (transport_connection_t * tc, u8 * buffer,
- u32 offset, u32 max_bytes)
+session_tx_fifo_peek_bytes (transport_connection_t * tc, u8 * buffer,
+ u32 offset, u32 max_bytes)
{
session_t *s = session_get (tc->s_index, tc->thread_index);
return svm_fifo_peek (s->tx_fifo, offset, max_bytes, buffer);
}
u32
-session_dequeue_drop (transport_connection_t * tc, u32 max_bytes)
+session_tx_fifo_dequeue_drop (transport_connection_t * tc, u32 max_bytes)
{
session_t *s = session_get (tc->s_index, tc->thread_index);
return svm_fifo_dequeue_drop (s->tx_fifo, max_bytes);
* @return 0 on success or negative number if failed to send notification.
*/
static inline int
-session_enqueue_notify (session_t * s)
+session_enqueue_notify_inline (session_t * s)
{
app_worker_t *app_wrk;
+ u32 session_index;
+ u8 n_subscribers;
+
+ session_index = s->session_index;
+ n_subscribers = svm_fifo_n_subscribers (s->rx_fifo);
app_wrk = app_worker_get_if_valid (s->app_wrk_index);
if (PREDICT_FALSE (!app_wrk))
/* *INDENT-OFF* */
SESSION_EVT_DBG(SESSION_EVT_ENQ, s, ({
ed->data[0] = SESSION_IO_EVT_RX;
- ed->data[1] = svm_fifo_max_dequeue (s->rx_fifo);
+ ed->data[1] = svm_fifo_max_dequeue_prod (s->rx_fifo);
}));
/* *INDENT-ON* */
+ s->flags &= ~SESSION_F_RX_EVT;
if (PREDICT_FALSE (app_worker_lock_and_send_event (app_wrk, s,
SESSION_IO_EVT_RX)))
return -1;
- if (PREDICT_FALSE (svm_fifo_n_subscribers (s->rx_fifo)))
- return session_notify_subscribers (app_wrk->app_index, s,
- s->rx_fifo, SESSION_IO_EVT_RX);
+ if (PREDICT_FALSE (n_subscribers))
+ {
+ s = session_get (session_index, vlib_get_thread_index ());
+ return session_notify_subscribers (app_wrk->app_index, s,
+ s->rx_fifo, SESSION_IO_EVT_RX);
+ }
return 0;
}
+int
+session_enqueue_notify (session_t * s)
+{
+ return session_enqueue_notify_inline (s);
+}
+
int
session_dequeue_notify (session_t * s)
{
* failures due to API queue being full.
*/
int
-session_manager_flush_enqueue_events (u8 transport_proto, u32 thread_index)
+session_main_flush_enqueue_events (u8 transport_proto, u32 thread_index)
{
- session_manager_worker_t *wrk = session_manager_get_worker (thread_index);
+ session_worker_t *wrk = session_main_get_worker (thread_index);
session_t *s;
int i, errors = 0;
u32 *indices;
errors++;
continue;
}
- if (PREDICT_FALSE (session_enqueue_notify (s)))
+
+ if (PREDICT_FALSE (session_enqueue_notify_inline (s)))
errors++;
}
vec_reset_length (indices);
wrk->session_to_enqueue[transport_proto] = indices;
- wrk->current_enqueue_epoch[transport_proto]++;
return errors;
}
int
-session_manager_flush_all_enqueue_events (u8 transport_proto)
+session_main_flush_all_enqueue_events (u8 transport_proto)
{
vlib_thread_main_t *vtm = vlib_get_thread_main ();
int i, errors = 0;
for (i = 0; i < 1 + vtm->n_threads; i++)
- errors += session_manager_flush_enqueue_events (transport_proto, i);
+ errors += session_main_flush_enqueue_events (transport_proto, i);
return errors;
}
-/**
- * Init fifo tail and head pointers
- *
- * Useful if transport uses absolute offsets for tracking ooo segments.
- */
-void
-stream_session_init_fifos_pointers (transport_connection_t * tc,
- u32 rx_pointer, u32 tx_pointer)
-{
- session_t *s;
- s = session_get (tc->s_index, tc->thread_index);
- svm_fifo_init_pointers (s->rx_fifo, rx_pointer);
- svm_fifo_init_pointers (s->tx_fifo, tx_pointer);
-}
-
int
session_stream_connect_notify (transport_connection_t * tc, u8 is_fail)
{
session_transport_closing_notify (transport_connection_t * tc)
{
app_worker_t *app_wrk;
- application_t *app;
session_t *s;
s = session_get (tc->s_index, tc->thread_index);
if (s->session_state >= SESSION_STATE_TRANSPORT_CLOSING)
return;
s->session_state = SESSION_STATE_TRANSPORT_CLOSING;
- app_wrk = app_worker_get_if_valid (s->app_wrk_index);
- if (!app_wrk)
- return;
- app = application_get (app_wrk->app_index);
- app->cb_fns.session_disconnect_callback (s);
+ app_wrk = app_worker_get (s->app_wrk_index);
+ app_worker_close_notify (app_wrk, s);
}
/**
void
session_transport_reset_notify (transport_connection_t * tc)
{
- session_t *s;
app_worker_t *app_wrk;
- application_t *app;
+ session_t *s;
+
s = session_get (tc->s_index, tc->thread_index);
svm_fifo_dequeue_drop_all (s->tx_fifo);
if (s->session_state >= SESSION_STATE_TRANSPORT_CLOSING)
return;
s->session_state = SESSION_STATE_TRANSPORT_CLOSING;
app_wrk = app_worker_get (s->app_wrk_index);
- app = application_get (app_wrk->app_index);
- app->cb_fns.session_reset_callback (s);
+ app_worker_reset_notify (app_wrk, s);
}
int
transport_connection_t *tc;
transport_endpoint_cfg_t *tep;
app_worker_t *app_wrk;
+ session_handle_t sh;
session_t *s;
int rv;
return -1;
}
+ sh = session_handle (s);
+ session_lookup_add_connection (tc, sh);
+
return app_worker_connect_notify (app_wrk, s, opaque);
}
* point, either after sending everything or after a timeout, call delete
* notify. This will finally lead to the complete cleanup of the session.
*/
- if (svm_fifo_max_dequeue (s->tx_fifo))
+ if (svm_fifo_max_dequeue_cons (s->tx_fifo))
s->session_state = SESSION_STATE_CLOSED_WAITING;
else
s->session_state = SESSION_STATE_CLOSED;
* vpp uses api svm region for event queues.
*/
void
-session_vpp_event_queues_allocate (session_manager_main_t * smm)
+session_vpp_event_queues_allocate (session_main_t * smm)
{
u32 evt_q_length = 2048, evt_size = sizeof (session_event_t);
ssvm_private_t *eqs = &smm->evt_qs_segment;
}
ssvm_private_t *
-session_manager_get_evt_q_segment (void)
+session_main_get_evt_q_segment (void)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
if (smm->evt_qs_use_memfd_seg)
return &smm->evt_qs_segment;
return 0;
}
+u64
+session_segment_handle (session_t * s)
+{
+ svm_fifo_t *f;
+
+ if (!s->rx_fifo)
+ return SESSION_INVALID_HANDLE;
+
+ f = s->rx_fifo;
+ return segment_manager_make_segment_handle (f->segment_manager,
+ f->segment_index);
+}
+
/* *INDENT-OFF* */
static session_fifo_rx_fn *session_tx_fns[TRANSPORT_TX_N_FNS] = {
session_tx_fifo_peek_and_snd,
const transport_proto_vft_t * vft, u8 is_ip4,
u32 output_node)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
session_type_t session_type;
u32 next_index = ~0;
s->connection_index);
}
+void
+session_get_endpoint (session_t * s, transport_endpoint_t * tep, u8 is_lcl)
+{
+ if (s->session_state != SESSION_STATE_LISTENING)
+ return transport_get_endpoint (session_get_transport_proto (s),
+ s->connection_index, s->thread_index, tep,
+ is_lcl);
+ else
+ return transport_get_listener_endpoint (session_get_transport_proto (s),
+ s->connection_index, tep, is_lcl);
+}
+
transport_connection_t *
listen_session_get_transport (session_t * s)
{
s->connection_index);
}
-int
-listen_session_get_local_session_endpoint (session_t * listener,
- session_endpoint_t * sep)
-{
- transport_connection_t *tc;
- tc = listen_session_get_transport (listener);
- if (!tc)
- {
- clib_warning ("no transport");
- return -1;
- }
-
- /* N.B. The ip should not be copied because this is the local endpoint */
- sep->port = tc->lcl_port;
- sep->transport_proto = tc->proto;
- sep->is_ip4 = tc->is_ip4;
- return 0;
-}
-
void
session_flush_frames_main_thread (vlib_main_t * vm)
{
session_manager_main_enable (vlib_main_t * vm)
{
segment_manager_main_init_args_t _sm_args = { 0 }, *sm_args = &_sm_args;
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
u32 num_threads, preallocated_sessions_per_worker;
- session_manager_worker_t *wrk;
- int i, j;
+ session_worker_t *wrk;
+ int i;
num_threads = 1 /* main thread */ + vtm->n_threads;
/* Allocate cache line aligned worker contexts */
vec_validate_aligned (smm->wrk, num_threads - 1, CLIB_CACHE_LINE_BYTES);
- for (i = 0; i < TRANSPORT_N_PROTO; i++)
- {
- for (j = 0; j < num_threads; j++)
- smm->wrk[j].current_enqueue_epoch[i] = 1;
- }
-
for (i = 0; i < num_threads; i++)
{
wrk = &smm->wrk[i];
clib_error_t *error = 0;
if (is_en)
{
- if (session_manager_main.is_enabled)
+ if (session_main.is_enabled)
return 0;
session_node_enable_disable (is_en);
}
else
{
- session_manager_main.is_enabled = 0;
+ session_main.is_enabled = 0;
session_node_enable_disable (is_en);
}
clib_error_t *
session_manager_main_init (vlib_main_t * vm)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
smm->session_baseva = HIGH_SEGMENT_BASEVA;
#if (HIGH_SEGMENT_BASEVA > (4ULL << 30))
smm->session_va_space_size = 128ULL << 30;
static clib_error_t *
session_config_fn (vlib_main_t * vm, unformat_input_t * input)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
u32 nitems;
uword tmp;
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