#include <vnet/session/session_types.h>
#include <vnet/session/session_lookup.h>
#include <vnet/session/session_debug.h>
-#include <vnet/session/segment_manager.h>
#include <svm/message_queue.h>
-
-#define SESSION_PROXY_LISTENER_INDEX ((u8)~0 - 1)
+#include <svm/ssvm.h>
#define foreach_session_input_error \
_(NO_SESSION, "No session drops") \
session_t *s;
transport_proto_vft_t *transport_vft;
transport_connection_t *tc;
- vlib_buffer_t *b;
u32 max_dequeue;
u32 snd_space;
u32 left_to_snd;
session_dgram_hdr_t hdr;
} session_tx_context_t;
-typedef struct session_manager_worker_
+typedef struct session_worker_
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/** vlib_time_now last time around the track */
f64 last_vlib_time;
- /** Per-proto enqueue epoch counters */
- u64 current_enqueue_epoch[TRANSPORT_N_PROTO];
-
/** Per-proto vector of sessions to enqueue */
u32 *session_to_enqueue[TRANSPORT_N_PROTO];
u32 last_tx_packets;
-} session_manager_worker_t;
+} session_worker_t;
typedef int (session_fifo_rx_fn) (vlib_main_t * vm,
vlib_node_runtime_t * node,
- session_manager_worker_t * wrk,
+ session_worker_t * wrk,
session_event_t * e, int *n_tx_pkts);
extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e);
-typedef struct session_manager_main_
+typedef struct session_main_
{
/** Worker contexts */
- session_manager_worker_t *wrk;
+ session_worker_t *wrk;
/** Event queues memfd segment initialized only if so configured */
ssvm_private_t evt_qs_segment;
f64 *last_event_poll_by_thread;
#endif
-} session_manager_main_t;
+} session_main_t;
-extern session_manager_main_t session_manager_main;
+extern session_main_t session_main;
extern vlib_node_registration_t session_queue_node;
extern vlib_node_registration_t session_queue_process_node;
+extern vlib_node_registration_t session_queue_pre_input_node;
#define SESSION_Q_PROCESS_FLUSH_FRAMES 1
#define SESSION_Q_PROCESS_STOP 2
always_inline u8
-stream_session_is_valid (u32 si, u8 thread_index)
+session_is_valid (u32 si, u8 thread_index)
{
session_t *s;
- s = pool_elt_at_index (session_manager_main.wrk[thread_index].sessions, si);
- if (s->thread_index != thread_index || s->session_index != si
- /* || s->server_rx_fifo->master_session_index != si
- || s->server_tx_fifo->master_session_index != si
- || s->server_rx_fifo->master_thread_index != thread_index
- || s->server_tx_fifo->master_thread_index != thread_index */ )
+ s = pool_elt_at_index (session_main.wrk[thread_index].sessions, si);
+ if (s->session_state == SESSION_STATE_CLOSED)
+ return 1;
+
+ if (s->thread_index != thread_index || s->session_index != si)
return 0;
return 1;
}
session_t *session_alloc (u32 thread_index);
-int session_alloc_fifos (segment_manager_t * sm, session_t * s);
void session_free (session_t * s);
void session_free_w_fifos (session_t * s);
always_inline session_t *
session_get (u32 si, u32 thread_index)
{
- ASSERT (stream_session_is_valid (si, thread_index));
- return pool_elt_at_index (session_manager_main.wrk[thread_index].sessions,
- si);
+ ASSERT (session_is_valid (si, thread_index));
+ return pool_elt_at_index (session_main.wrk[thread_index].sessions, si);
}
always_inline session_t *
session_get_if_valid (u64 si, u32 thread_index)
{
- if (thread_index >= vec_len (session_manager_main.wrk))
+ if (thread_index >= vec_len (session_main.wrk))
return 0;
- if (pool_is_free_index (session_manager_main.wrk[thread_index].sessions,
- si))
+ if (pool_is_free_index (session_main.wrk[thread_index].sessions, si))
return 0;
- ASSERT (stream_session_is_valid (si, thread_index));
- return pool_elt_at_index (session_manager_main.wrk[thread_index].sessions,
- si);
+ ASSERT (session_is_valid (si, thread_index));
+ return pool_elt_at_index (session_main.wrk[thread_index].sessions, si);
}
always_inline session_t *
session_get_from_handle (session_handle_t handle)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_main_t *smm = &session_main;
u32 session_index, thread_index;
session_parse_handle (handle, &session_index, &thread_index);
return pool_elt_at_index (smm->wrk[thread_index].sessions, session_index);
return session_get_if_valid (session_index, thread_index);
}
-always_inline u64
-session_segment_handle (session_t * s)
-{
- svm_fifo_t *f;
-
- if (s->session_state == SESSION_STATE_LISTENING)
- return SESSION_INVALID_HANDLE;
-
- f = s->rx_fifo;
- return segment_manager_make_segment_handle (f->segment_manager,
- f->segment_index);
-}
+u64 session_segment_handle (session_t * s);
/**
* Acquires a lock that blocks a session pool from expanding.
always_inline void
session_pool_add_peeker (u32 thread_index)
{
- session_manager_worker_t *wrk = &session_manager_main.wrk[thread_index];
+ session_worker_t *wrk = &session_main.wrk[thread_index];
if (thread_index == vlib_get_thread_index ())
return;
clib_rwlock_reader_lock (&wrk->peekers_rw_locks);
always_inline void
session_pool_remove_peeker (u32 thread_index)
{
- session_manager_worker_t *wrk = &session_manager_main.wrk[thread_index];
+ session_worker_t *wrk = &session_main.wrk[thread_index];
if (thread_index == vlib_get_thread_index ())
return;
clib_rwlock_reader_unlock (&wrk->peekers_rw_locks);
session_get_from_handle_safe (u64 handle)
{
u32 thread_index = session_thread_from_handle (handle);
- session_manager_worker_t *wrk = &session_manager_main.wrk[thread_index];
+ session_worker_t *wrk = &session_main.wrk[thread_index];
if (thread_index == vlib_get_thread_index ())
{
always_inline u32
session_get_index (session_t * s)
{
- return (s - session_manager_main.wrk[s->thread_index].sessions);
+ return (s - session_main.wrk[s->thread_index].sessions);
}
always_inline session_t *
*/
session_pool_add_peeker (thread_index);
new_s = session_alloc (current_thread_index);
- old_s = session_manager_main.wrk[thread_index].sessions + session_index;
+ old_s = session_main.wrk[thread_index].sessions + session_index;
clib_memcpy_fast (new_s, old_s, sizeof (*new_s));
session_pool_remove_peeker (thread_index);
new_s->thread_index = current_thread_index;
void session_transport_cleanup (session_t * s);
int session_send_io_evt_to_thread (svm_fifo_t * f,
session_evt_type_t evt_type);
+int session_enqueue_notify (session_t * s);
int session_dequeue_notify (session_t * s);
int session_send_io_evt_to_thread_custom (void *data, u32 thread_index,
session_evt_type_t evt_type);
void session_send_rpc_evt_to_thread (u32 thread_index, void *fp,
void *rpc_args);
+void session_send_rpc_evt_to_thread_force (u32 thread_index, void *fp,
+ void *rpc_args);
transport_connection_t *session_get_transport (session_t * s);
-u8 *format_stream_session (u8 * s, va_list * args);
-uword unformat_stream_session (unformat_input_t * input, va_list * args);
+u8 *format_session (u8 * s, va_list * args);
+uword unformat_session (unformat_input_t * input, va_list * args);
uword unformat_transport_connection (unformat_input_t * input,
va_list * args);
session_dgram_hdr_t * hdr,
vlib_buffer_t * b, u8 proto,
u8 queue_event);
-int stream_session_peek_bytes (transport_connection_t * tc, u8 * buffer,
- u32 offset, u32 max_bytes);
-u32 stream_session_dequeue_drop (transport_connection_t * tc, u32 max_bytes);
-
int session_stream_connect_notify (transport_connection_t * tc, u8 is_fail);
int session_dgram_connect_notify (transport_connection_t * tc,
u32 old_thread_index,
session_t ** new_session);
-void stream_session_init_fifos_pointers (transport_connection_t * tc,
- u32 rx_pointer, u32 tx_pointer);
-
-int stream_session_accept_notify (transport_connection_t * tc);
+int session_stream_accept_notify (transport_connection_t * tc);
void session_transport_closing_notify (transport_connection_t * tc);
void session_transport_delete_notify (transport_connection_t * tc);
void session_transport_closed_notify (transport_connection_t * tc);
void session_transport_reset_notify (transport_connection_t * tc);
int session_stream_accept (transport_connection_t * tc, u32 listener_index,
u8 notify);
-u32 session_tx_fifo_max_dequeue (transport_connection_t * tc);
void session_register_transport (transport_proto_t transport_proto,
const transport_proto_vft_t * vft, u8 is_ip4,
u32 output_node);
+int session_tx_fifo_peek_bytes (transport_connection_t * tc, u8 * buffer,
+ u32 offset, u32 max_bytes);
+u32 session_tx_fifo_dequeue_drop (transport_connection_t * tc, u32 max_bytes);
always_inline u32
transport_max_rx_enqueue (transport_connection_t * tc)
always_inline f64
transport_dispatch_period (u32 thread_index)
{
- return session_manager_main.wrk[thread_index].dispatch_period;
+ return session_main.wrk[thread_index].dispatch_period;
}
always_inline f64
transport_time_now (u32 thread_index)
{
- return session_manager_main.wrk[thread_index].last_vlib_time;
+ return session_main.wrk[thread_index].last_vlib_time;
}
always_inline void
session_t *s = session_get (tc->s_index, tc->thread_index);
if (svm_fifo_has_event (s->tx_fifo))
return;
- session_send_io_evt_to_thread (s->tx_fifo, FIFO_EVENT_APP_TX);
+ session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX);
}
/*
}
always_inline session_t *
-listen_session_new (u8 thread_index, session_type_t type)
+listen_session_alloc (u8 thread_index, session_type_t type)
{
session_t *s;
s = session_alloc (thread_index);
}
always_inline session_t *
-listen_session_get (u32 index)
+listen_session_get (u32 ls_index)
{
- return session_get (index, 0);
+ return session_get (ls_index, 0);
}
always_inline void
-listen_session_del (session_t * s)
+listen_session_free (session_t * s)
{
session_free (s);
}
transport_connection_t *listen_session_get_transport (session_t * s);
-int
-listen_session_get_local_session_endpoint (session_t * listener,
- session_endpoint_t * sep);
-
/*
- * Session manager functions
+ * Session layer functions
*/
-always_inline session_manager_main_t *
-vnet_get_session_manager_main ()
+always_inline session_main_t *
+vnet_get_session_main ()
{
- return &session_manager_main;
+ return &session_main;
}
-always_inline session_manager_worker_t *
-session_manager_get_worker (u32 thread_index)
+always_inline session_worker_t *
+session_main_get_worker (u32 thread_index)
{
- return &session_manager_main.wrk[thread_index];
+ return &session_main.wrk[thread_index];
}
always_inline svm_msg_q_t *
-session_manager_get_vpp_event_queue (u32 thread_index)
+session_main_get_vpp_event_queue (u32 thread_index)
{
- return session_manager_main.wrk[thread_index].vpp_event_queue;
+ return session_main.wrk[thread_index].vpp_event_queue;
}
always_inline u8
-session_manager_is_enabled ()
+session_main_is_enabled ()
{
- return session_manager_main.is_enabled == 1;
+ return session_main.is_enabled == 1;
}
#define session_cli_return_if_not_enabled() \
do { \
- if (!session_manager_main.is_enabled) \
+ if (!session_main.is_enabled) \
return clib_error_return(0, "session layer is not enabled"); \
} while (0)
-int session_manager_flush_enqueue_events (u8 proto, u32 thread_index);
-int session_manager_flush_all_enqueue_events (u8 transport_proto);
+int session_main_flush_enqueue_events (u8 proto, u32 thread_index);
+int session_main_flush_all_enqueue_events (u8 transport_proto);
void session_flush_frames_main_thread (vlib_main_t * vm);
-ssvm_private_t *session_manager_get_evt_q_segment (void);
+ssvm_private_t *session_main_get_evt_q_segment (void);
void session_node_enable_disable (u8 is_en);
clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en);