#include <vnet/session/application_local.h>
#include <vnet/session/session.h>
-ct_connection_t *connections;
+static ct_connection_t *connections;
-ct_connection_t *
+static void
+ct_enable_disable_main_pre_input_node (u8 is_add)
+{
+ u32 n_conns;
+
+ if (!vlib_num_workers ())
+ return;
+
+ n_conns = pool_elts (connections);
+ if (n_conns > 2)
+ return;
+
+ if (n_conns > 0 && is_add)
+ vlib_node_set_state (vlib_get_main (),
+ session_queue_pre_input_node.index,
+ VLIB_NODE_STATE_POLLING);
+ else if (n_conns == 0)
+ vlib_node_set_state (vlib_get_main (),
+ session_queue_pre_input_node.index,
+ VLIB_NODE_STATE_DISABLED);
+}
+
+static ct_connection_t *
ct_connection_alloc (void)
{
ct_connection_t *ct;
return ct;
}
-ct_connection_t *
+static ct_connection_t *
ct_connection_get (u32 ct_index)
{
if (pool_is_free_index (connections, ct_index))
return pool_elt_at_index (connections, ct_index);
}
-void
+static void
ct_connection_free (ct_connection_t * ct)
{
if (CLIB_DEBUG)
int
ct_session_connect_notify (session_t * ss)
{
- svm_fifo_segment_private_t *seg;
ct_connection_t *sct, *cct;
app_worker_t *client_wrk;
segment_manager_t *sm;
+ fifo_segment_t *seg;
u64 segment_handle;
int is_fail = 0;
session_t *cs;
ss = session_get (ss_index, 0);
cs->session_type = ss->session_type;
cs->connection_index = sct->c_c_index;
- cs->listener_index = SESSION_INVALID_INDEX;
+ cs->listener_handle = SESSION_INVALID_HANDLE;
cs->session_state = SESSION_STATE_CONNECTING;
cs->app_wrk_index = client_wrk->wrk_index;
cs->connection_index = cct->c_c_index;
cct->c_s_index = cs->session_index;
+ cct->client_rx_fifo = ss->tx_fifo;
+ cct->client_tx_fifo = ss->rx_fifo;
+
+ cct->client_rx_fifo->refcnt++;
+ cct->client_tx_fifo->refcnt++;
/* This will allocate fifos for the session. They won't be used for
* exchanging data but they will be used to close the connection if
return 0;
}
-static void
-ct_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
-{
- int fd;
-
- /*
- * segment manager initializes only the producer eventds, since vpp is
- * typically the producer. But for local sessions, we also pass to the
- * apps the mqs they listen on for events from peer apps, so they are also
- * consumer fds.
- */
- fd = svm_msg_q_get_producer_eventfd (sq);
- svm_msg_q_set_consumer_eventfd (sq, fd);
- fd = svm_msg_q_get_producer_eventfd (cq);
- svm_msg_q_set_consumer_eventfd (cq, fd);
-}
-
-int
+static int
ct_init_local_session (app_worker_t * client_wrk, app_worker_t * server_wrk,
ct_connection_t * ct, session_t * ls, session_t * ll)
{
- u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
- u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index;
- segment_manager_properties_t *props, *cprops;
- svm_fifo_segment_private_t *seg;
- application_t *server, *client;
+ u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index, seg_size;
+ segment_manager_props_t *props;
+ application_t *server;
segment_manager_t *sm;
- svm_msg_q_t *sq, *cq;
+ u32 margin = 16 << 10;
+ fifo_segment_t *seg;
u64 segment_handle;
int seg_index, rv;
server = application_get (server_wrk->app_index);
- client = application_get (client_wrk->app_index);
props = application_segment_manager_properties (server);
- cprops = application_segment_manager_properties (client);
- evt_q_elts = props->evt_q_size + cprops->evt_q_size;
- evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
- seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
+ /* Increase size because of inefficient chunk allocations. Depending on
+ * how data is consumed, it may happen that more chunks than needed are
+ * allocated.
+ * TODO should remove once allocations are done more efficiently */
+ seg_size = 4 * (round_rx_fifo_sz + round_tx_fifo_sz + margin);
sm = app_worker_get_listen_segment_manager (server_wrk, ll);
seg_index = segment_manager_add_segment (sm, seg_size);
return seg_index;
}
seg = segment_manager_get_segment_w_lock (sm, seg_index);
- sq = segment_manager_alloc_queue (seg, props);
- cq = segment_manager_alloc_queue (seg, cprops);
- if (props->use_mq_eventfd)
- ct_session_fix_eventds (sq, cq);
-
- ct->server_evt_q = pointer_to_uword (sq);
- ct->client_evt_q = pointer_to_uword (cq);
- rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
+ rv = segment_manager_try_alloc_fifos (seg, ls->thread_index,
+ props->rx_fifo_size,
props->tx_fifo_size, &ls->rx_fifo,
&ls->tx_fifo);
if (rv)
}
sm_index = segment_manager_index (sm);
- ls->rx_fifo->ct_session_index = ls->session_index;
- ls->tx_fifo->ct_session_index = ls->session_index;
+ ls->rx_fifo->master_session_index = ls->session_index;
+ ls->tx_fifo->master_session_index = ls->session_index;
ls->rx_fifo->segment_manager = sm_index;
ls->tx_fifo->segment_manager = sm_index;
ls->rx_fifo->segment_index = seg_index;
ls->tx_fifo->segment_index = seg_index;
- ls->svm_segment_index = seg_index;
segment_handle = segment_manager_segment_handle (sm, seg);
if ((rv = app_worker_add_segment_notify (server_wrk, segment_handle)))
return rv;
}
-int
+static int
ct_connect (app_worker_t * client_wrk, session_t * ll,
session_endpoint_cfg_t * sep)
{
cct->c_is_ip4 = sep->is_ip4;
clib_memcpy (&cct->c_rmt_ip, &sep->ip, sizeof (sep->ip));
cct->actual_tp = ll_ct->actual_tp;
+ cct->is_client = 1;
/*
* Init server transport
*/
ss = session_alloc (0);
ll = listen_session_get (ll_index);
- ss->session_type = ll->session_type;
+ ss->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE,
+ sct->c_is_ip4);
ss->connection_index = sct->c_c_index;
- ss->listener_index = ll->session_index;
+ ss->listener_handle = listen_session_get_handle (ll);
ss->session_state = SESSION_STATE_CREATED;
server_wrk = application_listener_select_worker (ll);
return -1;
}
- cct->client_evt_q = sct->client_evt_q;
- cct->server_evt_q = sct->server_evt_q;
cct->segment_handle = sct->segment_handle;
-
+ ct_enable_disable_main_pre_input_node (1 /* is_add */ );
return 0;
}
-u32
+static u32
ct_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
{
session_endpoint_cfg_t *sep;
clib_memcpy (&ct->c_lcl_ip, &sep->ip, sizeof (sep->ip));
ct->c_lcl_port = sep->port;
ct->actual_tp = sep->transport_proto;
+ ct_enable_disable_main_pre_input_node (1 /* is_add */ );
return ct->c_c_index;
}
-u32
+static u32
ct_stop_listen (u32 ct_index)
{
ct_connection_t *ct;
ct = ct_connection_get (ct_index);
ct_connection_free (ct);
+ ct_enable_disable_main_pre_input_node (0 /* is_add */ );
return 0;
}
-transport_connection_t *
+static transport_connection_t *
ct_listener_get (u32 ct_index)
{
return (transport_connection_t *) ct_connection_get (ct_index);
}
-int
+static int
ct_session_connect (transport_endpoint_cfg_t * tep)
{
session_endpoint_cfg_t *sep_ext;
return VNET_API_ERROR_APP_CONNECT_SCOPE;
fib_proto = session_endpoint_fib_proto (sep);
- table_index = application_session_table (app, fib_proto);
- ll = session_lookup_listener (table_index, sep);
+ table_index = session_lookup_get_index_for_fib (fib_proto, sep->fib_index);
+ ll = session_lookup_listener_wildcard (table_index, sep);
if (ll)
return ct_connect (app_wrk, ll, sep_ext);
return 1;
}
-void
+static void
ct_session_close (u32 ct_index, u32 thread_index)
{
ct_connection_t *ct, *peer_ct;
+ app_worker_t *app_wrk;
session_t *s;
ct = ct_connection_get (ct_index);
}
s = session_get (ct->c_s_index, 0);
- app_worker_del_segment_notify (app_worker_get (s->app_wrk_index),
- ct->segment_handle);
+ app_wrk = app_worker_get_if_valid (s->app_wrk_index);
+ if (app_wrk)
+ app_worker_del_segment_notify (app_wrk, ct->segment_handle);
session_free_w_fifos (s);
+ if (ct->is_client)
+ segment_manager_dealloc_fifos (ct->client_rx_fifo, ct->client_tx_fifo);
+
ct_connection_free (ct);
+ ct_enable_disable_main_pre_input_node (0 /* is_add */ );
}
-transport_connection_t *
+static transport_connection_t *
ct_session_get (u32 ct_index, u32 thread_index)
{
return (transport_connection_t *) ct_connection_get (ct_index);
return s;
}
-u8 *
+static int
+ct_custom_tx (void *session, u32 max_burst_size)
+{
+ session_t *s = (session_t *) session;
+ if (session_has_transport (s))
+ return 0;
+ return ct_session_tx (s);
+}
+
+static int
+ct_app_rx_evt (transport_connection_t * tc)
+{
+ ct_connection_t *ct = (ct_connection_t *) tc, *peer_ct;
+ session_t *ps;
+
+ peer_ct = ct_connection_get (ct->peer_index);
+ if (!peer_ct)
+ return -1;
+ ps = session_get (peer_ct->c_s_index, peer_ct->c_thread_index);
+ return session_dequeue_notify (ps);
+}
+
+static u8 *
format_ct_listener (u8 * s, va_list * args)
{
u32 tc_index = va_arg (*args, u32);
+ u32 __clib_unused thread_index = va_arg (*args, u32);
u32 __clib_unused verbose = va_arg (*args, u32);
ct_connection_t *ct = ct_connection_get (tc_index);
s = format (s, "%-50U", format_ct_connection_id, ct);
return s;
}
-u8 *
+static u8 *
format_ct_connection (u8 * s, va_list * args)
{
ct_connection_t *ct = va_arg (*args, ct_connection_t *);
return s;
}
-u8 *
+static u8 *
format_ct_session (u8 * s, va_list * args)
{
u32 ct_index = va_arg (*args, u32);
}
/* *INDENT-OFF* */
-const static transport_proto_vft_t cut_thru_proto = {
+static const transport_proto_vft_t cut_thru_proto = {
.start_listen = ct_start_listen,
.stop_listen = ct_stop_listen,
.get_listener = ct_listener_get,
.connect = ct_session_connect,
.close = ct_session_close,
.get_connection = ct_session_get,
- .tx_type = TRANSPORT_TX_INTERNAL,
- .service_type = TRANSPORT_SERVICE_APP,
+ .custom_tx = ct_custom_tx,
+ .app_rx_evt = ct_app_rx_evt,
.format_listener = format_ct_listener,
.format_connection = format_ct_session,
+ .transport_options = {
+ .tx_type = TRANSPORT_TX_INTERNAL,
+ .service_type = TRANSPORT_SERVICE_APP,
+ },
};
/* *INDENT-ON* */
+int
+ct_session_tx (session_t * s)
+{
+ ct_connection_t *ct, *peer_ct;
+ session_t *peer_s;
+
+ ct = (ct_connection_t *) session_get_transport (s);
+ peer_ct = ct_connection_get (ct->peer_index);
+ if (!peer_ct)
+ return -1;
+ peer_s = session_get (peer_ct->c_s_index, 0);
+ if (peer_s->session_state >= SESSION_STATE_TRANSPORT_CLOSING)
+ return 0;
+ return session_enqueue_notify (peer_s);
+}
+
static clib_error_t *
ct_transport_init (vlib_main_t * vm)
{
transport_register_protocol (TRANSPORT_PROTO_NONE, &cut_thru_proto,
FIB_PROTOCOL_IP4, ~0);
+ transport_register_protocol (TRANSPORT_PROTO_NONE, &cut_thru_proto,
+ FIB_PROTOCOL_IP6, ~0);
return 0;
}
Code Review / vpp.git / blobdiff