diff options
Diffstat (limited to 'src/vnet/session/session.h')
-rw-r--r-- | src/vnet/session/session.h | 116 |
1 files changed, 57 insertions, 59 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index babb002e07e..6ae901c656b 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Cisco and/or its affiliates. + * Copyright (c) 2017-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -15,15 +15,13 @@ #ifndef __included_session_h__ #define __included_session_h__ -#include <vnet/session/stream_session.h> +#include <vnet/session/session_types.h> #include <vnet/session/session_lookup.h> #include <vnet/session/transport_interface.h> #include <vnet/session/session_debug.h> #include <vnet/session/segment_manager.h> -#include <svm/queue.h> +#include <svm/message_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 @@ -158,7 +156,7 @@ STATIC_ASSERT (sizeof (session_dgram_hdr_t) == (SESSION_CONN_ID_LEN + 8), typedef struct session_tx_context_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - stream_session_t *s; + session_t *s; transport_proto_vft_t *transport_vft; transport_connection_t *tc; vlib_buffer_t *b; @@ -181,7 +179,7 @@ typedef struct session_manager_worker_ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /** Worker session pool */ - stream_session_t *sessions; + session_t *sessions; /** vpp event message queue for worker */ svm_msg_q_t *vpp_event_queue; @@ -321,7 +319,7 @@ session_manager_get_worker (u32 thread_index) always_inline u8 stream_session_is_valid (u32 si, u8 thread_index) { - stream_session_t *s; + 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 @@ -332,12 +330,12 @@ stream_session_is_valid (u32 si, u8 thread_index) 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); +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 stream_session_t * +always_inline session_t * session_get (u32 si, u32 thread_index) { ASSERT (stream_session_is_valid (si, thread_index)); @@ -345,7 +343,7 @@ session_get (u32 si, u32 thread_index) si); } -always_inline stream_session_t * +always_inline session_t * session_get_if_valid (u64 si, u32 thread_index) { if (thread_index >= vec_len (session_manager_main.wrk)) @@ -361,7 +359,7 @@ session_get_if_valid (u64 si, u32 thread_index) } always_inline session_handle_t -session_handle (stream_session_t * s) +session_handle (session_t * s) { return ((u64) s->thread_index << 32) | (u64) s->session_index; } @@ -386,7 +384,7 @@ session_parse_handle (session_handle_t handle, u32 * index, *thread_index = session_thread_from_handle (handle); } -always_inline stream_session_t * +always_inline session_t * session_get_from_handle (session_handle_t handle) { session_manager_main_t *smm = &session_manager_main; @@ -395,7 +393,7 @@ session_get_from_handle (session_handle_t handle) return pool_elt_at_index (smm->wrk[thread_index].sessions, session_index); } -always_inline stream_session_t * +always_inline session_t * session_get_from_handle_if_valid (session_handle_t handle) { u32 session_index, thread_index; @@ -424,13 +422,13 @@ session_type_is_ip4 (session_type_t st) } always_inline transport_proto_t -session_get_transport_proto (stream_session_t * s) +session_get_transport_proto (session_t * s) { return (s->session_type >> 1); } always_inline fib_protocol_t -session_get_fib_proto (stream_session_t * s) +session_get_fib_proto (session_t * s) { u8 is_ip4 = s->session_type & 1; return (is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6); @@ -443,27 +441,27 @@ session_type_from_proto_and_ip (transport_proto_t proto, u8 is_ip4) } always_inline u64 -session_segment_handle (stream_session_t * s) +session_segment_handle (session_t * s) { svm_fifo_t *f; if (s->session_state == SESSION_STATE_LISTENING) return SESSION_INVALID_HANDLE; - f = s->server_rx_fifo; + f = s->rx_fifo; return segment_manager_make_segment_handle (f->segment_manager, f->segment_index); } always_inline u8 -session_has_transport (stream_session_t * s) +session_has_transport (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); +transport_service_type_t session_transport_service_type (session_t *); +transport_tx_fn_type_t session_transport_tx_fn_type (session_t *); +u8 session_tx_is_dgram (session_t * s); /** * Acquires a lock that blocks a session pool from expanding. @@ -498,7 +496,7 @@ session_pool_remove_peeker (u32 thread_index) * * Caller should drop the peek 'lock' as soon as possible. */ -always_inline stream_session_t * +always_inline session_t * session_get_from_handle_safe (u64 handle) { u32 thread_index = session_thread_from_handle (handle); @@ -520,36 +518,36 @@ session_get_from_handle_safe (u64 handle) always_inline u32 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); + session_t *s = session_get (tc->s_index, tc->thread_index); + return svm_fifo_max_enqueue (s->rx_fifo); } always_inline u32 transport_max_tx_dequeue (transport_connection_t * tc) { - stream_session_t *s = session_get (tc->s_index, tc->thread_index); - return svm_fifo_max_dequeue (s->server_tx_fifo); + session_t *s = session_get (tc->s_index, tc->thread_index); + return svm_fifo_max_dequeue (s->tx_fifo); } always_inline u32 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; + session_t *s = session_get (tc->s_index, tc->thread_index); + return s->rx_fifo->nitems; } 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; + session_t *s = session_get (tc->s_index, tc->thread_index); + return s->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); + session_t *s = session_get (tc->c_index, tc->thread_index); + return svm_fifo_has_ooo_data (s->rx_fifo); } always_inline f64 @@ -565,15 +563,15 @@ transport_time_now (u32 thread_index) } always_inline u32 -session_get_index (stream_session_t * s) +session_get_index (session_t * s) { return (s - session_manager_main.wrk[s->thread_index].sessions); } -always_inline stream_session_t * +always_inline session_t * session_clone_safe (u32 session_index, u32 thread_index) { - stream_session_t *old_s, *new_s; + 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 @@ -591,7 +589,7 @@ session_clone_safe (u32 session_index, u32 thread_index) return new_s; } -transport_connection_t *session_get_transport (stream_session_t * s); +transport_connection_t *session_get_transport (session_t * s); u32 session_tx_fifo_max_dequeue (transport_connection_t * tc); @@ -599,7 +597,7 @@ int 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, +int session_enqueue_dgram_connection (session_t * s, session_dgram_hdr_t * hdr, vlib_buffer_t * b, u8 proto, u8 queue_event); @@ -610,8 +608,8 @@ 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, - stream_session_t ** new_session); -int session_dequeue_notify (stream_session_t * s); + session_t ** new_session); +int session_dequeue_notify (session_t * s); void stream_session_init_fifos_pointers (transport_connection_t * tc, u32 rx_pointer, u32 tx_pointer); @@ -623,11 +621,11 @@ void session_transport_reset_notify (transport_connection_t * tc); 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 session_close (stream_session_t * s); -void session_transport_close (stream_session_t * s); -void session_transport_cleanup (stream_session_t * s); +int session_listen (session_t * s, session_endpoint_cfg_t * sep); +int session_stop_listen (session_t * s); +void session_close (session_t * s); +void session_transport_close (session_t * s); +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_send_io_evt_to_thread_custom (void *data, u32 thread_index, @@ -649,10 +647,10 @@ void session_register_transport (transport_proto_t transport_proto, 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)) + 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->server_tx_fifo, FIFO_EVENT_APP_TX); + session_send_io_evt_to_thread (s->tx_fifo, FIFO_EVENT_APP_TX); } clib_error_t *vnet_session_enable_disable (vlib_main_t * vm, u8 is_en); @@ -667,13 +665,13 @@ 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) +listen_session_get_handle (session_t * s) { ASSERT (s->session_state == SESSION_STATE_LISTENING); return session_handle (s); } -always_inline stream_session_t * +always_inline session_t * listen_session_get_from_handle (session_handle_t handle) { return session_get_from_handle (handle); @@ -686,32 +684,32 @@ listen_session_parse_handle (session_handle_t handle, u32 * index, session_parse_handle (handle, index, thread_index); } -always_inline stream_session_t * +always_inline session_t * listen_session_new (u8 thread_index, session_type_t type) { - stream_session_t *s; + session_t *s; s = session_alloc (thread_index); s->session_type = type; s->session_state = SESSION_STATE_LISTENING; return s; } -always_inline stream_session_t * +always_inline session_t * listen_session_get (u32 index) { return session_get (index, 0); } always_inline void -listen_session_del (stream_session_t * s) +listen_session_del (session_t * s) { session_free (s); } -transport_connection_t *listen_session_get_transport (stream_session_t * s); +transport_connection_t *listen_session_get_transport (session_t * s); int -listen_session_get_local_session_endpoint (stream_session_t * listener, +listen_session_get_local_session_endpoint (session_t * listener, session_endpoint_t * sep); void session_flush_frames_main_thread (vlib_main_t * vm); |