#include <vnet/session/stream_session.h>
#include <vnet/session/session_lookup.h>
#include <vnet/session/transport_interface.h>
-#include <vlibmemory/unix_shared_memory_queue.h>
#include <vnet/session/session_debug.h>
#include <vnet/session/segment_manager.h>
+#include <svm/queue.h>
#define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
#define INVALID_INDEX ((u32)~0)
+#define SESSION_PROXY_LISTENER_INDEX ((u8)~0 - 1)
+#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF
/* TODO decide how much since we have pre-data as well */
#define MAX_HDRS_LEN 100 /* Max number of bytes for headers */
typedef enum
{
FIFO_EVENT_APP_RX,
+ SESSION_IO_EVT_CT_RX,
FIFO_EVENT_APP_TX,
- FIFO_EVENT_TIMEOUT,
+ SESSION_IO_EVT_CT_TX,
FIFO_EVENT_DISCONNECT,
FIFO_EVENT_BUILTIN_RX,
+ FIFO_EVENT_BUILTIN_TX,
FIFO_EVENT_RPC,
-} fifo_event_type_t;
+ SESSION_CTRL_EVT_BOUND,
+ SESSION_CTRL_EVT_ACCEPTED,
+ SESSION_CTRL_EVT_ACCEPTED_REPLY,
+ SESSION_CTRL_EVT_CONNECTED,
+ SESSION_CTRL_EVT_CONNECTED_REPLY,
+ SESSION_CTRL_EVT_DISCONNECTED,
+ SESSION_CTRL_EVT_DISCONNECTED_REPLY,
+ SESSION_CTRL_EVT_RESET,
+ SESSION_CTRL_EVT_RESET_REPLY
+} session_evt_type_t;
static inline const char *
-fifo_event_type_str (fifo_event_type_t et)
+fifo_event_type_str (session_evt_type_t et)
{
switch (et)
{
return "FIFO_EVENT_APP_RX";
case FIFO_EVENT_APP_TX:
return "FIFO_EVENT_APP_TX";
- case FIFO_EVENT_TIMEOUT:
- return "FIFO_EVENT_TIMEOUT";
case FIFO_EVENT_DISCONNECT:
return "FIFO_EVENT_DISCONNECT";
case FIFO_EVENT_BUILTIN_RX:
}
}
+typedef enum
+{
+ SESSION_MQ_IO_EVT_RING,
+ SESSION_MQ_CTRL_EVT_RING,
+ SESSION_MQ_N_RINGS
+} session_mq_rings_e;
+
#define foreach_session_input_error \
_(NO_SESSION, "No session drops") \
_(NO_LISTENER, "No listener for dst port drops") \
_(EVENT_FIFO_FULL, "Events not sent for lack of event fifo space") \
_(API_QUEUE_FULL, "Sessions not created for lack of API queue space") \
_(NEW_SEG_NO_SPACE, "Created segment, couldn't allocate a fifo pair") \
-_(NO_SPACE, "Couldn't allocate a fifo pair")
+_(NO_SPACE, "Couldn't allocate a fifo pair") \
+_(SEG_CREATE, "Couldn't create a new segment")
typedef enum
{
SESSION_N_ERROR,
} session_error_t;
-/* Event queue input node static next indices */
-typedef enum
-{
- SESSION_QUEUE_NEXT_DROP,
- SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT,
- SESSION_QUEUE_NEXT_IP4_LOOKUP,
- SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT,
- SESSION_QUEUE_NEXT_IP6_LOOKUP,
- SESSION_QUEUE_N_NEXT,
-} session_queue_next_t;
-
typedef struct
{
void *fp;
void *arg;
-} rpc_args_t;
+} session_rpc_args_t;
+
+typedef u64 session_handle_t;
/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct {
+typedef struct
+{
+ u8 event_type;
+ u8 postponed;
union
+ {
+ svm_fifo_t *fifo;
+ session_handle_t session_handle;
+ session_rpc_args_t rpc_args;
+ struct
{
- svm_fifo_t * fifo;
- u64 session_handle;
- rpc_args_t rpc_args;
+ u8 data[0];
};
- u8 event_type;
- u16 event_id;
-}) session_fifo_event_t;
+ };
+} __clib_packed session_event_t;
/* *INDENT-ON* */
+#define SESSION_MSG_NULL { }
+
+typedef struct session_dgram_pre_hdr_
+{
+ u32 data_length;
+ u32 data_offset;
+} session_dgram_pre_hdr_t;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct session_dgram_header_
+{
+ u32 data_length;
+ u32 data_offset;
+ ip46_address_t rmt_ip;
+ ip46_address_t lcl_ip;
+ u16 rmt_port;
+ u16 lcl_port;
+ u8 is_ip4;
+}) session_dgram_hdr_t;
+/* *INDENT-ON* */
+
+#define SESSION_CONN_ID_LEN 37
+#define SESSION_CONN_HDR_LEN 45
+
+STATIC_ASSERT (sizeof (session_dgram_hdr_t) == (SESSION_CONN_ID_LEN + 8),
+ "session conn id wrong length");
+
+typedef struct session_tx_context_
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ stream_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;
+ u32 tx_offset;
+ u32 max_len_to_snd;
+ u16 deq_per_first_buf;
+ u16 deq_per_buf;
+ u16 snd_mss;
+ u16 n_segs_per_evt;
+ u8 n_bufs_per_seg;
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
+ session_dgram_hdr_t hdr;
+} session_tx_context_t;
+
/* Forward definition */
typedef struct _session_manager_main session_manager_main_t;
typedef int
(session_fifo_rx_fn) (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);
+ session_event_t * e0, stream_session_t * s0,
+ int *n_tx_pkts);
extern session_fifo_rx_fn session_tx_fifo_peek_and_snd;
extern session_fifo_rx_fn session_tx_fifo_dequeue_and_snd;
+extern session_fifo_rx_fn session_tx_fifo_dequeue_internal;
-u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e);
+u8 session_node_lookup_fifo_event (svm_fifo_t * f, session_event_t * e);
-struct _session_manager_main
+typedef struct session_manager_worker_
{
- /** Per worker thread session pools */
- stream_session_t **sessions;
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
+ /** Worker session pool */
+ stream_session_t *sessions;
+
+ /** vpp event message queue for worker */
+ svm_msg_q_t *vpp_event_queue;
+
+ /** Our approximation of a "complete" dispatch loop period */
+ f64 dispatch_period;
+
+ /** 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];
+
+ /** Context for session tx */
+ session_tx_context_t ctx;
- /** Pool of listen sessions. Same type as stream sessions to ease lookups */
- stream_session_t *listen_sessions[SESSION_N_TYPES];
+ /** Vector of tx buffer free lists */
+ u32 *tx_buffers;
- /** Sparse vector to map dst port to stream server */
- u16 *stream_server_by_dst_port[SESSION_N_TYPES];
+ /** Vector of partially read events */
+ session_event_t *free_event_vector;
- /** per-worker enqueue epoch counters */
- u8 *current_enqueue_epoch;
+ /** Vector of active event vectors */
+ session_event_t *pending_event_vector;
- /** Per-worker thread vector of sessions to enqueue */
- u32 **session_indices_to_enqueue_by_thread;
+ /** Vector of postponed disconnects */
+ session_event_t *pending_disconnects;
+
+ /** Vector of postponed events */
+ session_event_t *postponed_event_vector;
+
+ /** Peekers rw lock */
+ clib_rwlock_t peekers_rw_locks;
+
+ u32 last_tx_packets;
+
+} session_manager_worker_t;
+
+struct _session_manager_main
+{
+ /** Worker contexts */
+ session_manager_worker_t *wrk;
+
+ /** Event queues memfd segment initialized only if so configured */
+ ssvm_private_t evt_qs_segment;
+
+ /** Unique segment name counter */
+ u32 unique_segment_name_counter;
- /** per-worker tx buffer free lists */
- u32 **tx_buffers;
+ /** Per transport rx function that can either dequeue or peek */
+ session_fifo_rx_fn **session_tx_fns;
- /** Per worker-thread vector of partially read events */
- session_fifo_event_t **free_event_vector;
+ /** Per session type output nodes. Could optimize to group nodes by
+ * fib but lookup would then require session type parsing in session node.
+ * Trade memory for speed, for now */
+ u32 *session_type_to_next;
- /** per-worker active event vectors */
- session_fifo_event_t **pending_event_vector;
+ /*
+ * Config parameters
+ */
- /** vpp fifo event queue */
- unix_shared_memory_queue_t **vpp_event_queues;
+ /** Session manager is enabled */
+ u8 is_enabled;
/** vpp fifo event queue configured length */
u32 configured_event_queue_length;
- /** session table size parameters */
+ /** Session ssvm segment configs*/
+ uword session_baseva;
+ uword session_va_space_size;
+ u32 evt_qs_segment_size;
+ u8 evt_qs_use_memfd_seg;
+
+ /** Session table size parameters */
u32 configured_v4_session_table_buckets;
u32 configured_v4_session_table_memory;
u32 configured_v4_halfopen_table_buckets;
u32 configured_v6_halfopen_table_buckets;
u32 configured_v6_halfopen_table_memory;
- /** Unique segment name counter */
- u32 unique_segment_name_counter;
-
- /** Per transport rx function that can either dequeue or peek */
- session_fifo_rx_fn *session_tx_fns[SESSION_N_TYPES];
-
- /** Session manager is enabled */
- u8 is_enabled;
+ /** Transport table (preallocation) size parameters */
+ u32 local_endpoints_table_memory;
+ u32 local_endpoints_table_buckets;
/** Preallocate session config parameter */
u32 preallocated_sessions;
-#if SESSION_DBG
+#if SESSION_DEBUG
/**
* last event poll time by thread
* Debug only. Will cause false cache-line sharing as-is
extern session_manager_main_t session_manager_main;
extern vlib_node_registration_t session_queue_node;
+extern vlib_node_registration_t session_queue_process_node;
+
+#define SESSION_Q_PROCESS_FLUSH_FRAMES 1
+#define SESSION_Q_PROCESS_STOP 2
/*
* Session manager function
return &session_manager_main;
}
+always_inline session_manager_worker_t *
+session_manager_get_worker (u32 thread_index)
+{
+ return &session_manager_main.wrk[thread_index];
+}
+
always_inline u8
stream_session_is_valid (u32 si, u8 thread_index)
{
stream_session_t *s;
- s = pool_elt_at_index (session_manager_main.sessions[thread_index], si);
+ 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
return 1;
}
+stream_session_t *session_alloc (u32 thread_index);
+int session_alloc_fifos (segment_manager_t * sm, stream_session_t * s);
+void session_free (stream_session_t * s);
+void session_free_w_fifos (stream_session_t * s);
+
always_inline stream_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.sessions[thread_index], si);
+ return pool_elt_at_index (session_manager_main.wrk[thread_index].sessions,
+ si);
}
always_inline stream_session_t *
-stream_session_get_if_valid (u64 si, u32 thread_index)
+session_get_if_valid (u64 si, u32 thread_index)
{
- if (thread_index >= vec_len (session_manager_main.sessions))
+ if (thread_index >= vec_len (session_manager_main.wrk))
return 0;
- if (pool_is_free_index (session_manager_main.sessions[thread_index], si))
+ if (pool_is_free_index (session_manager_main.wrk[thread_index].sessions,
+ si))
return 0;
ASSERT (stream_session_is_valid (si, thread_index));
- return pool_elt_at_index (session_manager_main.sessions[thread_index], si);
+ return pool_elt_at_index (session_manager_main.wrk[thread_index].sessions,
+ si);
}
-always_inline u64
-stream_session_handle (stream_session_t * s)
+always_inline session_handle_t
+session_handle (stream_session_t * s)
{
return ((u64) s->thread_index << 32) | (u64) s->session_index;
}
always_inline u32
-session_index_from_handle (u64 handle)
+session_index_from_handle (session_handle_t handle)
{
return handle & 0xFFFFFFFF;
}
always_inline u32
-session_thread_from_handle (u64 handle)
+session_thread_from_handle (session_handle_t handle)
{
return handle >> 32;
}
always_inline void
-session_parse_handle (u64 handle, u32 * index, u32 * thread_index)
+session_parse_handle (session_handle_t handle, u32 * index,
+ u32 * thread_index)
{
*index = session_index_from_handle (handle);
*thread_index = session_thread_from_handle (handle);
}
always_inline stream_session_t *
-session_get_from_handle (u64 handle)
+session_get_from_handle (session_handle_t handle)
{
session_manager_main_t *smm = &session_manager_main;
- return
- pool_elt_at_index (smm->sessions[session_thread_from_handle (handle)],
- session_index_from_handle (handle));
+ 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);
}
always_inline stream_session_t *
-stream_session_listener_get (u8 sst, u64 si)
+session_get_from_handle_if_valid (session_handle_t handle)
{
- return pool_elt_at_index (session_manager_main.listen_sessions[sst], si);
+ u32 session_index, thread_index;
+ session_parse_handle (handle, &session_index, &thread_index);
+ return session_get_if_valid (session_index, thread_index);
}
-always_inline u32
-stream_session_get_index (stream_session_t * s)
+always_inline u8
+session_handle_is_local (session_handle_t handle)
+{
+ if ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX)
+ return 1;
+ return 0;
+}
+
+always_inline transport_proto_t
+session_type_transport_proto (session_type_t st)
+{
+ return (st >> 1);
+}
+
+always_inline u8
+session_type_is_ip4 (session_type_t st)
+{
+ return (st & 1);
+}
+
+always_inline transport_proto_t
+session_get_transport_proto (stream_session_t * s)
+{
+ return (s->session_type >> 1);
+}
+
+always_inline fib_protocol_t
+session_get_fib_proto (stream_session_t * s)
+{
+ u8 is_ip4 = s->session_type & 1;
+ return (is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6);
+}
+
+always_inline session_type_t
+session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4)
+{
+ return (proto << 1 | is_ip4);
+}
+
+always_inline u64
+session_segment_handle (stream_session_t * s)
{
- if (s->session_state == SESSION_STATE_LISTENING)
- return s - session_manager_main.listen_sessions[s->session_type];
+ svm_fifo_t *f = s->server_rx_fifo;
+ return segment_manager_make_segment_handle (f->segment_manager,
+ f->segment_index);
+}
+
+always_inline u8
+session_has_transport (stream_session_t * s)
+{
+ return (session_get_transport_proto (s) != TRANSPORT_PROTO_NONE);
+}
+
+transport_service_type_t session_transport_service_type (stream_session_t *);
+transport_tx_fn_type_t session_transport_tx_fn_type (stream_session_t *);
+u8 session_tx_is_dgram (stream_session_t * s);
- return s - session_manager_main.sessions[s->thread_index];
+/**
+ * Acquires a lock that blocks a session pool from expanding.
+ *
+ * This is typically used for safely peeking into other threads'
+ * pools in order to clone elements. Lock should be dropped as soon
+ * as possible by calling @ref session_pool_remove_peeker.
+ *
+ * NOTE: Avoid using pool_elt_at_index while the lock is held because
+ * it may lead to free elt bitmap expansion/contraction!
+ */
+always_inline void
+session_pool_add_peeker (u32 thread_index)
+{
+ session_manager_worker_t *wrk = &session_manager_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];
+ if (thread_index == vlib_get_thread_index ())
+ return;
+ clib_rwlock_reader_unlock (&wrk->peekers_rw_locks);
+}
+
+/**
+ * Get session from handle and 'lock' pool resize if not in same thread
+ *
+ * Caller should drop the peek 'lock' as soon as possible.
+ */
+always_inline stream_session_t *
+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];
+
+ if (thread_index == vlib_get_thread_index ())
+ {
+ return pool_elt_at_index (wrk->sessions,
+ session_index_from_handle (handle));
+ }
+ else
+ {
+ session_pool_add_peeker (thread_index);
+ /* Don't use pool_elt_at index. See @ref session_pool_add_peeker */
+ return wrk->sessions + session_index_from_handle (handle);
+ }
}
always_inline u32
-stream_session_max_rx_enqueue (transport_connection_t * tc)
+transport_max_rx_enqueue (transport_connection_t * tc)
{
stream_session_t *s = session_get (tc->s_index, tc->thread_index);
return svm_fifo_max_enqueue (s->server_rx_fifo);
}
always_inline u32
-stream_session_rx_fifo_size (transport_connection_t * tc)
+transport_rx_fifo_size (transport_connection_t * tc)
{
stream_session_t *s = session_get (tc->s_index, tc->thread_index);
return s->server_rx_fifo->nitems;
}
-u32 stream_session_tx_fifo_max_dequeue (transport_connection_t * tc);
+always_inline u32
+transport_tx_fifo_size (transport_connection_t * tc)
+{
+ stream_session_t *s = session_get (tc->s_index, tc->thread_index);
+ return s->server_tx_fifo->nitems;
+}
+
+always_inline u8
+transport_rx_fifo_has_ooo_data (transport_connection_t * tc)
+{
+ stream_session_t *s = session_get (tc->c_index, tc->thread_index);
+ return svm_fifo_has_ooo_data (s->server_rx_fifo);
+}
+
+always_inline f64
+transport_dispatch_period (u32 thread_index)
+{
+ return session_manager_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;
+}
+
+always_inline u32
+session_get_index (stream_session_t * s)
+{
+ return (s - session_manager_main.wrk[s->thread_index].sessions);
+}
+
+always_inline stream_session_t *
+session_clone_safe (u32 session_index, u32 thread_index)
+{
+ stream_session_t *old_s, *new_s;
+ u32 current_thread_index = vlib_get_thread_index ();
+
+ /* If during the memcpy pool is reallocated AND the memory allocator
+ * decides to give the old chunk of memory to somebody in a hurry to
+ * scribble something on it, we have a problem. So add this thread as
+ * a session pool peeker.
+ */
+ session_pool_add_peeker (thread_index);
+ new_s = session_alloc (current_thread_index);
+ old_s = session_manager_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;
+ new_s->session_index = session_get_index (new_s);
+ return new_s;
+}
+
+transport_connection_t *session_get_transport (stream_session_t * s);
+
+u32 session_tx_fifo_max_dequeue (transport_connection_t * tc);
int
-stream_session_enqueue_data (transport_connection_t * tc, vlib_buffer_t * b,
- u32 offset, u8 queue_event, u8 is_in_order);
-int
-stream_session_peek_bytes (transport_connection_t * tc, u8 * buffer,
- u32 offset, u32 max_bytes);
+session_enqueue_stream_connection (transport_connection_t * tc,
+ vlib_buffer_t * b, u32 offset,
+ u8 queue_event, u8 is_in_order);
+int session_enqueue_dgram_connection (stream_session_t * s,
+ 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 stream_session_connect_notify (transport_connection_t * tc, u8 is_fail);
+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,
+ stream_session_t ** new_session);
+int session_dequeue_notify (stream_session_t * s);
void stream_session_init_fifos_pointers (transport_connection_t * tc,
u32 rx_pointer, u32 tx_pointer);
void stream_session_disconnect_notify (transport_connection_t * tc);
void stream_session_delete_notify (transport_connection_t * tc);
void stream_session_reset_notify (transport_connection_t * tc);
-int
-stream_session_accept (transport_connection_t * tc, u32 listener_index,
- u8 notify);
-int
-stream_session_open (u32 app_index, session_endpoint_t * tep,
- transport_connection_t ** tc);
-int stream_session_listen (stream_session_t * s, session_endpoint_t * tep);
-int stream_session_stop_listen (stream_session_t * s);
+int stream_session_accept (transport_connection_t * tc, u32 listener_index,
+ u8 notify);
+int session_open (u32 app_index, session_endpoint_t * tep, u32 opaque);
+int session_listen (stream_session_t * s, session_endpoint_cfg_t * sep);
+int session_stop_listen (stream_session_t * s);
void stream_session_disconnect (stream_session_t * s);
+void stream_session_disconnect_transport (stream_session_t * s);
void stream_session_cleanup (stream_session_t * s);
-void session_send_session_evt_to_thread (u64 session_handle,
- fifo_event_type_t evt_type,
- u32 thread_index);
+int session_send_io_evt_to_thread (svm_fifo_t * f,
+ session_evt_type_t evt_type);
+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);
+
+ssvm_private_t *session_manager_get_evt_q_segment (void);
u8 *format_stream_session (u8 * s, va_list * args);
uword unformat_stream_session (unformat_input_t * input, va_list * args);
uword unformat_transport_connection (unformat_input_t * input,
va_list * args);
-int
-send_session_connected_callback (u32 app_index, u32 api_context,
- stream_session_t * s, u8 is_fail);
+void session_register_transport (transport_proto_t transport_proto,
+ const transport_proto_vft_t * vft, u8 is_ip4,
+ u32 output_node);
+always_inline void
+transport_add_tx_event (transport_connection_t * tc)
+{
+ stream_session_t *s = session_get (tc->s_index, tc->thread_index);
+ if (svm_fifo_has_event (s->server_tx_fifo))
+ return;
+ session_send_io_evt_to_thread (s->server_tx_fifo, FIFO_EVENT_APP_TX);
+}
clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en);
-always_inline unix_shared_memory_queue_t *
+always_inline svm_msg_q_t *
session_manager_get_vpp_event_queue (u32 thread_index)
{
- return session_manager_main.vpp_event_queues[thread_index];
+ return session_manager_main.wrk[thread_index].vpp_event_queue;
}
-int session_manager_flush_enqueue_events (u32 thread_index);
+int session_manager_flush_enqueue_events (u8 proto, u32 thread_index);
+int session_manager_flush_all_enqueue_events (u8 transport_proto);
always_inline u64
listen_session_get_handle (stream_session_t * s)
{
ASSERT (s->session_state == SESSION_STATE_LISTENING);
- return ((u64) s->session_type << 32) | s->session_index;
+ return session_handle (s);
}
always_inline stream_session_t *
-listen_session_get_from_handle (u64 handle)
+listen_session_get_from_handle (session_handle_t handle)
{
- session_manager_main_t *smm = &session_manager_main;
- stream_session_t *s;
- u32 type, index;
- type = handle >> 32;
- index = handle & 0xFFFFFFFF;
-
- if (pool_is_free_index (smm->listen_sessions[type], index))
- return 0;
+ return session_get_from_handle (handle);
+}
- s = pool_elt_at_index (smm->listen_sessions[type], index);
- ASSERT (s->session_state == SESSION_STATE_LISTENING);
- return s;
+always_inline void
+listen_session_parse_handle (session_handle_t handle, u32 * index,
+ u32 * thread_index)
+{
+ session_parse_handle (handle, index, thread_index);
}
always_inline stream_session_t *
-listen_session_new (session_type_t type)
+listen_session_new (u8 thread_index, session_type_t type)
{
stream_session_t *s;
- pool_get_aligned (session_manager_main.listen_sessions[type], s,
- CLIB_CACHE_LINE_BYTES);
- memset (s, 0, sizeof (*s));
-
+ s = session_alloc (thread_index);
s->session_type = type;
s->session_state = SESSION_STATE_LISTENING;
- s->session_index = s - session_manager_main.listen_sessions[type];
-
return s;
}
always_inline stream_session_t *
-listen_session_get (session_type_t type, u32 index)
+listen_session_get (u32 index)
{
- return pool_elt_at_index (session_manager_main.listen_sessions[type],
- index);
+ return session_get (index, 0);
}
always_inline void
listen_session_del (stream_session_t * s)
{
- pool_put (session_manager_main.listen_sessions[s->session_type], s);
+ session_free (s);
}
+transport_connection_t *listen_session_get_transport (stream_session_t * s);
+
int
listen_session_get_local_session_endpoint (stream_session_t * listener,
session_endpoint_t * sep);
-always_inline stream_session_t *
-session_manager_get_listener (u8 type, u32 index)
-{
- return pool_elt_at_index (session_manager_main.listen_sessions[type],
- index);
-}
-
-always_inline void
-session_manager_set_transport_rx_fn (u8 type, u8 is_peek)
-{
- /* If an offset function is provided, then peek instead of dequeue */
- session_manager_main.session_tx_fns[type] = (is_peek) ?
- session_tx_fifo_peek_and_snd : session_tx_fifo_dequeue_and_snd;
-}
-
-session_type_t
-session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4);
+void session_flush_frames_main_thread (vlib_main_t * vm);
always_inline u8
session_manager_is_enabled ()
return clib_error_return(0, "session layer is not enabled"); \
} while (0)
+void session_node_enable_disable (u8 is_en);
+
#endif /* __included_session_h__ */
/*
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