*/
#include <vnet/session/session.h>
-#include <vnet/session/session_debug.h>
#include <vnet/session/application.h>
#include <vnet/dpo/load_balance.h>
#include <vnet/fib/ip4_fib.h>
int
session_send_io_evt_to_thread (svm_fifo_t * f, session_evt_type_t evt_type)
{
- return session_send_evt_to_thread (&f->master_session_index, 0,
+ return session_send_evt_to_thread (&f->shr->master_session_index, 0,
f->master_thread_index, evt_type);
}
if (!(s->flags & SESSION_F_CUSTOM_TX))
{
s->flags |= SESSION_F_CUSTOM_TX;
- if (svm_fifo_set_event (s->tx_fifo))
+ if (svm_fifo_set_event (s->tx_fifo)
+ || transport_connection_is_descheduled (tc))
{
session_worker_t *wrk;
session_evt_elt_t *elt;
elt = session_evt_alloc_old (wrk);
elt->evt.session_index = tc->s_index;
elt->evt.event_type = SESSION_IO_EVT_TX;
+ tc->flags &= ~TRANSPORT_CONNECTION_F_DESCHED;
}
}
}
+void
+sesssion_reschedule_tx (transport_connection_t * tc)
+{
+ session_worker_t *wrk = session_main_get_worker (tc->thread_index);
+ session_evt_elt_t *elt;
+
+ ASSERT (tc->thread_index == vlib_get_thread_index ());
+
+ elt = session_evt_alloc_new (wrk);
+ elt->evt.session_index = tc->s_index;
+ elt->evt.event_type = SESSION_IO_EVT_TX;
+}
+
static void
session_program_transport_ctrl_evt (session_t * s, session_evt_type_t evt)
{
session_free_w_fifos (s);
}
-static session_t *
+void
+session_cleanup_half_open (transport_proto_t tp, session_handle_t ho_handle)
+{
+ transport_cleanup_half_open (tp, session_handle_index (ho_handle));
+}
+
+void
+session_half_open_delete_notify (transport_proto_t tp,
+ session_handle_t ho_handle)
+{
+ app_worker_t *app_wrk = app_worker_get (session_handle_data (ho_handle));
+ app_worker_del_half_open (app_wrk, tp, ho_handle);
+}
+
+session_t *
session_alloc_for_connection (transport_connection_t * tc)
{
session_t *s;
return 0;
}
+void
+session_fifo_tuning (session_t * s, svm_fifo_t * f,
+ session_ft_action_t act, u32 len)
+{
+ if (s->flags & SESSION_F_CUSTOM_FIFO_TUNING)
+ {
+ app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
+ app_worker_session_fifo_tuning (app_wrk, s, f, act, len);
+ if (CLIB_ASSERT_ENABLE)
+ {
+ segment_manager_t *sm;
+ sm = segment_manager_get (f->segment_manager);
+ ASSERT (f->shr->size >= 4096);
+ ASSERT (f->shr->size <= sm->max_fifo_size);
+ }
+ }
+}
+
/*
* Enqueue data for delivery to session peer. Does not notify peer of enqueue
* event but on request can queue notification events for later delivery by
s->flags |= SESSION_F_RX_EVT;
vec_add1 (wrk->session_to_enqueue[tc->proto], s->session_index);
}
+
+ session_fifo_tuning (s, s->rx_fifo, SESSION_FT_ACTION_ENQUEUED, 0);
}
return enqueued;
session_dgram_hdr_t * hdr,
vlib_buffer_t * b, u8 proto, u8 queue_event)
{
- int enqueued = 0, rv, in_order_off;
+ int rv;
ASSERT (svm_fifo_max_enqueue_prod (s->rx_fifo)
>= b->current_length + sizeof (*hdr));
- svm_fifo_enqueue (s->rx_fifo, sizeof (session_dgram_hdr_t), (u8 *) hdr);
- enqueued = svm_fifo_enqueue (s->rx_fifo, b->current_length,
- vlib_buffer_get_current (b));
- if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_NEXT_PRESENT) && enqueued >= 0))
+ if (PREDICT_TRUE (!(b->flags & VLIB_BUFFER_NEXT_PRESENT)))
{
- in_order_off = enqueued > b->current_length ? enqueued : 0;
- rv = session_enqueue_chain_tail (s, b, in_order_off, 1);
- if (rv > 0)
- enqueued += rv;
+ /* *INDENT-OFF* */
+ svm_fifo_seg_t segs[2] = {
+ { (u8 *) hdr, sizeof (*hdr) },
+ { vlib_buffer_get_current (b), b->current_length }
+ };
+ /* *INDENT-ON* */
+
+ rv = svm_fifo_enqueue_segments (s->rx_fifo, segs, 2,
+ 0 /* allow_partial */ );
}
- if (queue_event)
+ else
+ {
+ vlib_main_t *vm = vlib_get_main ();
+ svm_fifo_seg_t *segs = 0, *seg;
+ vlib_buffer_t *it = b;
+ u32 n_segs = 1;
+
+ vec_add2 (segs, seg, 1);
+ seg->data = (u8 *) hdr;
+ seg->len = sizeof (*hdr);
+ while (it)
+ {
+ vec_add2 (segs, seg, 1);
+ seg->data = vlib_buffer_get_current (it);
+ seg->len = it->current_length;
+ n_segs++;
+ if (!(it->flags & VLIB_BUFFER_NEXT_PRESENT))
+ break;
+ it = vlib_get_buffer (vm, it->next_buffer);
+ }
+ rv = svm_fifo_enqueue_segments (s->rx_fifo, segs, n_segs,
+ 0 /* allow partial */ );
+ vec_free (segs);
+ }
+
+ if (queue_event && rv > 0)
{
/* Queue RX event on this fifo. Eventually these will need to be flushed
* by calling stream_server_flush_enqueue_events () */
s->flags |= SESSION_F_RX_EVT;
vec_add1 (wrk->session_to_enqueue[proto], s->session_index);
}
+
+ session_fifo_tuning (s, s->rx_fifo, SESSION_FT_ACTION_ENQUEUED, 0);
}
- return enqueued;
+ return rv > 0 ? rv : 0;
}
int
u32 rv;
rv = svm_fifo_dequeue_drop (s->tx_fifo, max_bytes);
+ session_fifo_tuning (s, s->tx_fifo, SESSION_FT_ACTION_DEQUEUED, rv);
if (svm_fifo_needs_deq_ntf (s->tx_fifo, max_bytes))
session_dequeue_notify (s);
if (!app)
return -1;
- for (i = 0; i < f->n_subscribers; i++)
+ for (i = 0; i < f->shr->n_subscribers; i++)
{
- app_wrk = application_get_worker (app, f->subscribers[i]);
+ app_wrk = application_get_worker (app, f->shr->subscribers[i]);
if (!app_wrk)
continue;
if (app_worker_lock_and_send_event (app_wrk, s, evt_type))
SESSION_EVT (SESSION_EVT_ENQ, s, svm_fifo_max_dequeue_prod (s->rx_fifo));
s->flags &= ~SESSION_F_RX_EVT;
+
+ /* Application didn't confirm accept yet */
+ if (PREDICT_FALSE (s->session_state == SESSION_STATE_ACCEPTING))
+ return 0;
+
if (PREDICT_FALSE (app_worker_lock_and_send_event (app_wrk, s,
SESSION_IO_EVT_RX)))
return -1;
SESSION_IO_EVT_TX)))
return -1;
- if (PREDICT_FALSE (s->tx_fifo->n_subscribers))
+ if (PREDICT_FALSE (s->tx_fifo->shr->n_subscribers))
return session_notify_subscribers (app_wrk->app_index, s,
s->tx_fifo, SESSION_IO_EVT_TX);
continue;
}
+ session_fifo_tuning (s, s->rx_fifo, SESSION_FT_ACTION_ENQUEUED,
+ 0 /* TODO/not needed */ );
+
if (PREDICT_FALSE (session_enqueue_notify_inline (s)))
errors++;
}
return errors;
}
-static inline int
-session_stream_connect_notify_inline (transport_connection_t * tc, u8 is_fail,
- session_state_t opened_state)
+int
+session_stream_connect_notify (transport_connection_t * tc,
+ session_error_t err)
{
+ session_handle_t ho_handle, wrk_handle;
u32 opaque = 0, new_ti, new_si;
app_worker_t *app_wrk;
session_t *s = 0;
- u64 ho_handle;
/*
* Find connection handle and cleanup half-open table
/* Get the app's index from the handle we stored when opening connection
* and the opaque (api_context for external apps) from transport session
* index */
- app_wrk = app_worker_get_if_valid (ho_handle >> 32);
+ app_wrk = app_worker_get_if_valid (session_handle_data (ho_handle));
if (!app_wrk)
return -1;
- opaque = tc->s_index;
+ wrk_handle = app_worker_lookup_half_open (app_wrk, tc->proto, ho_handle);
+ if (wrk_handle == SESSION_INVALID_HANDLE)
+ return -1;
+
+ /* Make sure this is the same half-open index */
+ if (session_handle_index (wrk_handle) != session_handle_index (ho_handle))
+ return -1;
+
+ opaque = session_handle_data (wrk_handle);
- if (is_fail)
- return app_worker_connect_notify (app_wrk, s, opaque);
+ if (err)
+ return app_worker_connect_notify (app_wrk, s, err, opaque);
s = session_alloc_for_connection (tc);
s->session_state = SESSION_STATE_CONNECTING;
new_si = s->session_index;
new_ti = s->thread_index;
- if (app_worker_init_connected (app_wrk, s))
+ if ((err = app_worker_init_connected (app_wrk, s)))
{
session_free (s);
- app_worker_connect_notify (app_wrk, 0, opaque);
+ app_worker_connect_notify (app_wrk, 0, err, opaque);
return -1;
}
s = session_get (new_si, new_ti);
- s->session_state = opened_state;
+ s->session_state = SESSION_STATE_READY;
session_lookup_add_connection (tc, session_handle (s));
- if (app_worker_connect_notify (app_wrk, s, opaque))
+ if (app_worker_connect_notify (app_wrk, s, SESSION_E_NONE, opaque))
{
+ session_lookup_del_connection (tc);
+ /* Avoid notifying app about rejected session cleanup */
s = session_get (new_si, new_ti);
- session_free_w_fifos (s);
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
+ session_free (s);
return -1;
}
return 0;
}
-int
-session_stream_connect_notify (transport_connection_t * tc, u8 is_fail)
+static void
+session_switch_pool_reply (void *arg)
{
- return session_stream_connect_notify_inline (tc, is_fail,
- SESSION_STATE_READY);
-}
+ u32 session_index = pointer_to_uword (arg);
+ session_t *s;
-int
-session_ho_stream_connect_notify (transport_connection_t * tc, u8 is_fail)
-{
- return session_stream_connect_notify_inline (tc, is_fail,
- SESSION_STATE_OPENED);
+ s = session_get_if_valid (session_index, vlib_get_thread_index ());
+ if (!s)
+ return;
+
+ /* Notify app that it has data on the new session */
+ session_enqueue_notify (s);
}
typedef struct _session_switch_pool_args
session_switch_pool (void *cb_args)
{
session_switch_pool_args_t *args = (session_switch_pool_args_t *) cb_args;
+ session_handle_t new_sh;
+ segment_manager_t *sm;
app_worker_t *app_wrk;
session_t *s;
+ void *rargs;
ASSERT (args->thread_index == vlib_get_thread_index ());
s = session_get (args->session_index, args->thread_index);
- s->tx_fifo->master_session_index = args->new_session_index;
- s->tx_fifo->master_thread_index = args->new_thread_index;
+
transport_cleanup (session_get_transport_proto (s), s->connection_index,
s->thread_index);
+ new_sh = session_make_handle (args->new_session_index,
+ args->new_thread_index);
+
app_wrk = app_worker_get_if_valid (s->app_wrk_index);
if (app_wrk)
{
- session_handle_t new_sh;
- new_sh = session_make_handle (args->new_session_index,
- args->new_thread_index);
- app_worker_migrate_notify (app_wrk, s, new_sh);
+ /* Cleanup fifo segment slice state for fifos */
+ sm = app_worker_get_connect_segment_manager (app_wrk);
+ segment_manager_detach_fifo (sm, &s->rx_fifo);
+ segment_manager_detach_fifo (sm, &s->tx_fifo);
- /* Trigger app read on the new thread */
- session_enqueue_notify_thread (new_sh);
+ /* Notify app, using old session, about the migration event */
+ app_worker_migrate_notify (app_wrk, s, new_sh);
}
+ /* Trigger app read and fifo updates on the new thread */
+ rargs = uword_to_pointer (args->new_session_index, void *);
+ session_send_rpc_evt_to_thread (args->new_thread_index,
+ session_switch_pool_reply, rargs);
+
session_free (s);
clib_mem_free (cb_args);
}
{
session_t *new_s;
session_switch_pool_args_t *rpc_args;
+ segment_manager_t *sm;
+ app_worker_t *app_wrk;
/*
* Clone half-open session to the right thread.
*/
new_s = session_clone_safe (tc->s_index, old_thread_index);
new_s->connection_index = tc->c_index;
- new_s->rx_fifo->master_session_index = new_s->session_index;
- new_s->rx_fifo->master_thread_index = new_s->thread_index;
new_s->session_state = SESSION_STATE_READY;
new_s->flags |= SESSION_F_IS_MIGRATING;
- session_lookup_add_connection (tc, session_handle (new_s));
+
+ if (!(tc->flags & TRANSPORT_CONNECTION_F_NO_LOOKUP))
+ session_lookup_add_connection (tc, session_handle (new_s));
+
+ app_wrk = app_worker_get_if_valid (new_s->app_wrk_index);
+ if (app_wrk)
+ {
+ /* New set of fifos attached to the same shared memory */
+ sm = app_worker_get_connect_segment_manager (app_wrk);
+ segment_manager_attach_fifo (sm, &new_s->rx_fifo, new_s);
+ segment_manager_attach_fifo (sm, &new_s->tx_fifo, new_s);
+ }
/*
* Ask thread owning the old session to clean it up and make us the tx
if (!app_wrk)
return -1;
s->session_state = SESSION_STATE_ACCEPTING;
- return app_worker_accept_notify (app_wrk, s);
+ if (app_worker_accept_notify (app_wrk, s))
+ {
+ /* On transport delete, no notifications should be sent. Unless, the
+ * accept is retried and successful. */
+ s->session_state = SESSION_STATE_CREATED;
+ return -1;
+ }
+ return 0;
}
/**
s->session_state = SESSION_STATE_CREATED;
if ((rv = app_worker_init_accepted (s)))
- return rv;
+ {
+ session_free (s);
+ return rv;
+ }
session_lookup_add_connection (tc, session_handle (s));
if (notify)
{
app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
- return app_worker_accept_notify (app_wrk, s);
+ if ((rv = app_worker_accept_notify (app_wrk, s)))
+ {
+ session_lookup_del_session (s);
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
+ session_free (s);
+ return rv;
+ }
}
return 0;
}
+int
+session_dgram_accept (transport_connection_t * tc, u32 listener_index,
+ u32 thread_index)
+{
+ app_worker_t *app_wrk;
+ session_t *s;
+ int rv;
+
+ s = session_alloc_for_connection (tc);
+ s->listener_handle = ((u64) thread_index << 32) | (u64) listener_index;
+
+ if ((rv = app_worker_init_accepted (s)))
+ {
+ session_free (s);
+ return rv;
+ }
+
+ session_lookup_add_connection (tc, session_handle (s));
+
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if ((rv = app_worker_accept_notify (app_wrk, s)))
+ {
+ session_lookup_del_session (s);
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
+ session_free (s);
+ return rv;
+ }
+
+ s->session_state = SESSION_STATE_READY;
+
+ return 0;
+}
+
int
session_open_cl (u32 app_wrk_index, session_endpoint_t * rmt, u32 opaque)
{
if (rv < 0)
{
SESSION_DBG ("Transport failed to open connection.");
- return VNET_API_ERROR_SESSION_CONNECT;
+ return rv;
}
tc = transport_get_half_open (rmt->transport_proto, (u32) rv);
sh = session_handle (s);
session_lookup_add_connection (tc, sh);
- return app_worker_connect_notify (app_wrk, s, opaque);
+ return app_worker_connect_notify (app_wrk, s, SESSION_E_NONE, opaque);
}
int
{
transport_connection_t *tc;
transport_endpoint_cfg_t *tep;
- u64 handle;
+ u64 handle, wrk_handle;
int rv;
tep = session_endpoint_to_transport_cfg (rmt);
if (rv < 0)
{
SESSION_DBG ("Transport failed to open connection.");
- return VNET_API_ERROR_SESSION_CONNECT;
+ return rv;
}
tc = transport_get_half_open (rmt->transport_proto, (u32) rv);
* is needed when the connect notify comes and we have to notify the
* external app
*/
- handle = (((u64) app_wrk_index) << 32) | (u64) tc->c_index;
+ handle = session_make_handle (tc->c_index, app_wrk_index);
session_lookup_add_half_open (tc, handle);
- /* Store api_context (opaque) for when the reply comes. Not the nicest
- * thing but better than allocating a separate half-open pool.
+ /* Store the half-open handle in the connection. Transport will use it
+ * when cleaning up @ref session_half_open_delete_notify
*/
- tc->s_index = opaque;
- if (transport_half_open_has_fifos (rmt->transport_proto))
- return session_ho_stream_connect_notify (tc, 0 /* is_fail */ );
+ tc->s_ho_handle = handle;
+
+ /* Track the half-open connections in case we want to forcefully
+ * clean them up @ref session_cleanup_half_open
+ */
+ wrk_handle = session_make_handle (tc->c_index, opaque);
+ app_worker_add_half_open (app_worker_get (app_wrk_index),
+ rmt->transport_proto, handle, wrk_handle);
+
return 0;
}
session_listen (session_t * ls, session_endpoint_cfg_t * sep)
{
transport_endpoint_t *tep;
- u32 tc_index, s_index;
+ int tc_index;
+ u32 s_index;
/* Transport bind/listen */
tep = session_endpoint_to_transport (sep);
tc_index = transport_start_listen (session_get_transport_proto (ls),
s_index, tep);
- if (tc_index == (u32) ~ 0)
- return -1;
+ if (tc_index < 0)
+ return tc_index;
/* Attach transport to session. Lookup tables are populated by the app
* worker because local tables (for ct sessions) are not backed by a fib */
transport_connection_t *tc;
if (s->session_state != SESSION_STATE_LISTENING)
- return -1;
+ return SESSION_E_NOLISTEN;
tc = transport_get_listener (tp, s->connection_index);
+
+ /* If no transport, assume everything was cleaned up already */
if (!tc)
- return VNET_API_ERROR_ADDRESS_NOT_IN_USE;
+ return SESSION_E_NONE;
if (!(tc->flags & TRANSPORT_CONNECTION_F_NO_LOOKUP))
session_lookup_del_connection (tc);
+
transport_stop_listen (tp, s->connection_index);
return 0;
}
/**
* Allocate event queues in the shared-memory segment
*
- * That can either be a newly created memfd segment, that will need to be
- * mapped by all stack users, or the binary api's svm region. The latter is
- * assumed to be already mapped. NOTE that this assumption DOES NOT hold if
- * api clients bootstrap shm api over sockets (i.e. use memfd segments) and
- * vpp uses api svm region for event queues.
+ * That can only be a newly created memfd segment, that must be
+ * mapped by all apps/stack users.
*/
void
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;
- api_main_t *am = &api_main;
+ fifo_segment_t *eqs = &smm->evt_qs_segment;
uword eqs_size = 64 << 20;
pid_t vpp_pid = getpid ();
- void *oldheap;
int i;
if (smm->configured_event_queue_length)
evt_q_length = smm->configured_event_queue_length;
- if (smm->evt_qs_use_memfd_seg)
- {
- if (smm->evt_qs_segment_size)
- eqs_size = smm->evt_qs_segment_size;
+ if (smm->evt_qs_segment_size)
+ eqs_size = smm->evt_qs_segment_size;
- eqs->ssvm_size = eqs_size;
- eqs->i_am_master = 1;
- eqs->my_pid = vpp_pid;
- eqs->name = format (0, "%s%c", "evt-qs-segment", 0);
- eqs->requested_va = smm->session_baseva;
+ eqs->ssvm.ssvm_size = eqs_size;
+ eqs->ssvm.my_pid = vpp_pid;
+ eqs->ssvm.name = format (0, "%s%c", "session: evt-qs-segment", 0);
+ /* clib_mem_vm_map_shared consumes first page before requested_va */
+ eqs->ssvm.requested_va = smm->session_baseva + clib_mem_get_page_size ();
- if (ssvm_master_init (eqs, SSVM_SEGMENT_MEMFD))
- {
- clib_warning ("failed to initialize queue segment");
- return;
- }
+ if (ssvm_server_init (&eqs->ssvm, SSVM_SEGMENT_MEMFD))
+ {
+ clib_warning ("failed to initialize queue segment");
+ return;
}
- if (smm->evt_qs_use_memfd_seg)
- oldheap = ssvm_push_heap (eqs->sh);
- else
- oldheap = svm_push_data_heap (am->vlib_rp);
+ fifo_segment_init (eqs);
+
+ /* Special fifo segment that's filled only with mqs */
+ eqs->h->n_mqs = vec_len (smm->wrk);
for (i = 0; i < vec_len (smm->wrk); i++)
{
cfg->n_rings = 2;
cfg->q_nitems = evt_q_length;
cfg->ring_cfgs = rc;
- smm->wrk[i].vpp_event_queue = svm_msg_q_alloc (cfg);
- if (smm->evt_qs_use_memfd_seg)
- {
- if (svm_msg_q_alloc_consumer_eventfd (smm->wrk[i].vpp_event_queue))
- clib_warning ("eventfd returned");
- }
- }
- if (smm->evt_qs_use_memfd_seg)
- ssvm_pop_heap (oldheap);
- else
- svm_pop_heap (oldheap);
+ smm->wrk[i].vpp_event_queue = fifo_segment_msg_q_alloc (eqs, i, cfg);
+ }
}
-ssvm_private_t *
+fifo_segment_t *
session_main_get_evt_q_segment (void)
{
- session_main_t *smm = &session_main;
- if (smm->evt_qs_use_memfd_seg)
- return &smm->evt_qs_segment;
- return 0;
+ return &session_main.evt_qs_segment;
}
u64
};
/* *INDENT-ON* */
-/**
- * Initialize session layer for given transport proto and ip version
- *
- * Allocates per session type (transport proto + ip version) data structures
- * and adds arc from session queue node to session type output node.
- */
void
session_register_transport (transport_proto_t transport_proto,
const transport_proto_vft_t * vft, u8 is_ip4,
session_tx_fns[vft->transport_options.tx_type];
}
+transport_proto_t
+session_add_transport_proto (void)
+{
+ session_main_t *smm = &session_main;
+ session_worker_t *wrk;
+ u32 thread;
+
+ smm->last_transport_proto_type += 1;
+
+ for (thread = 0; thread < vec_len (smm->wrk); thread++)
+ {
+ wrk = session_main_get_worker (thread);
+ vec_validate (wrk->session_to_enqueue, smm->last_transport_proto_type);
+ }
+
+ return smm->last_transport_proto_type;
+}
+
transport_connection_t *
session_get_transport (session_t * s)
{
}
void
-session_flush_frames_main_thread (vlib_main_t * vm)
+session_queue_run_on_main_thread (vlib_main_t * vm)
{
ASSERT (vlib_get_thread_index () == 0);
vlib_process_signal_event_mt (vm, session_queue_process_node.index,
- SESSION_Q_PROCESS_FLUSH_FRAMES, 0);
+ SESSION_Q_PROCESS_RUN_ON_MAIN, 0);
}
static clib_error_t *
session_manager_main_enable (vlib_main_t * vm)
{
- segment_manager_main_init_args_t _sm_args = { 0 }, *sm_args = &_sm_args;
session_main_t *smm = &session_main;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
u32 num_threads, preallocated_sessions_per_worker;
session_worker_t *wrk;
int i;
+ /* We only initialize once and do not de-initialized on disable */
+ if (smm->is_initialized)
+ goto done;
+
num_threads = 1 /* main thread */ + vtm->n_threads;
if (num_threads < 1)
wrk->new_head = clib_llist_make_head (wrk->event_elts, evt_list);
wrk->old_head = clib_llist_make_head (wrk->event_elts, evt_list);
wrk->vm = vlib_mains[i];
- wrk->last_vlib_time = vlib_time_now (vlib_mains[i]);
+ wrk->last_vlib_time = vlib_time_now (vm);
wrk->last_vlib_us_time = wrk->last_vlib_time * CLIB_US_TIME_FREQ;
+ vec_validate (wrk->session_to_enqueue, smm->last_transport_proto_type);
if (num_threads > 1)
clib_rwlock_init (&smm->wrk[i].peekers_rw_locks);
/* Allocate vpp event queues segment and queue */
session_vpp_event_queues_allocate (smm);
- /* Initialize fifo segment main baseva and timeout */
- sm_args->baseva = smm->session_baseva + smm->evt_qs_segment_size;
- sm_args->size = smm->session_va_space_size;
- segment_manager_main_init (sm_args);
+ /* Initialize segment manager properties */
+ segment_manager_main_init ();
/* Preallocate sessions */
if (smm->preallocated_sessions)
session_lookup_init ();
app_namespaces_init ();
transport_init ();
+ smm->is_initialized = 1;
+
+done:
smm->is_enabled = 1;
/* Enable transports */
transport_enable_disable (vm, 1);
+ session_debug_init ();
+
return 0;
}
+static void
+session_manager_main_disable (vlib_main_t * vm)
+{
+ transport_enable_disable (vm, 0 /* is_en */ );
+}
+
void
session_node_enable_disable (u8 is_en)
{
foreach_vlib_main (({
if (have_workers && ii == 0)
{
- vlib_node_set_state (this_vlib_main, session_queue_process_node.index,
- state);
if (is_en)
{
+ vlib_node_set_state (this_vlib_main,
+ session_queue_process_node.index, state);
vlib_node_t *n = vlib_get_node (this_vlib_main,
session_queue_process_node.index);
vlib_start_process (this_vlib_main, n->runtime_index);
session_queue_process_node.index,
SESSION_Q_PROCESS_STOP, 0);
}
-
- continue;
+ if (!session_main.poll_main)
+ continue;
}
vlib_node_set_state (this_vlib_main, session_queue_node.index,
state);
else
{
session_main.is_enabled = 0;
+ session_manager_main_disable (vm);
session_node_enable_disable (is_en);
}
}
clib_error_t *
-session_manager_main_init (vlib_main_t * vm)
+session_main_init (vlib_main_t * vm)
{
session_main_t *smm = &session_main;
+
+ smm->is_enabled = 0;
+ smm->session_enable_asap = 0;
+ smm->poll_main = 0;
smm->session_baseva = HIGH_SEGMENT_BASEVA;
+
#if (HIGH_SEGMENT_BASEVA > (4ULL << 30))
smm->session_va_space_size = 128ULL << 30;
smm->evt_qs_segment_size = 64 << 20;
smm->session_va_space_size = 128 << 20;
smm->evt_qs_segment_size = 1 << 20;
#endif
- smm->is_enabled = 0;
- smm->session_enable_asap = 0;
+
+ smm->last_transport_proto_type = TRANSPORT_PROTO_DTLS;
+
return 0;
}
static clib_error_t *
-session_main_init (vlib_main_t * vm)
+session_main_loop_init (vlib_main_t * vm)
{
session_main_t *smm = &session_main;
if (smm->session_enable_asap)
return 0;
}
-VLIB_INIT_FUNCTION (session_manager_main_init);
-VLIB_MAIN_LOOP_ENTER_FUNCTION (session_main_init);
+VLIB_INIT_FUNCTION (session_main_init);
+VLIB_MAIN_LOOP_ENTER_FUNCTION (session_main_loop_init);
static clib_error_t *
session_config_fn (vlib_main_t * vm, unformat_input_t * input)
else if (unformat (input, "local-endpoints-table-buckets %d",
&smm->local_endpoints_table_buckets))
;
+ /* Deprecated but maintained for compatibility */
else if (unformat (input, "evt_qs_memfd_seg"))
- smm->evt_qs_use_memfd_seg = 1;
+ ;
else if (unformat (input, "evt_qs_seg_size %U", unformat_memory_size,
&smm->evt_qs_segment_size))
;
else if (unformat (input, "enable"))
smm->session_enable_asap = 1;
+ else if (unformat (input, "segment-baseva 0x%lx", &smm->session_baseva))
+ ;
+ else if (unformat (input, "use-app-socket-api"))
+ appns_sapi_enable ();
+ else if (unformat (input, "poll-main"))
+ smm->poll_main = 1;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
Code Review / vpp.git / blobdiff