X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_types.h;h=aa0e86507470780cddd8a86fec0025108041be03;hb=d8f48e2166747b529aa23762ac314dd686590c89;hp=286f4c49d80a9e8be5571c6d9ce2c220739f3ac2;hpb=1ee7830e9ee8a62800822b6f5224d66243b916d4;p=vpp.git diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h index 286f4c49d80..aa0e8650747 100644 --- a/src/vnet/session/session_types.h +++ b/src/vnet/session/session_types.h @@ -19,7 +19,9 @@ #include #include -#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF +#define SESSION_INVALID_INDEX ((u32)~0) +#define SESSION_INVALID_HANDLE ((u64)~0) +#define SESSION_CTRL_MSG_MAX_SIZE 84 #define foreach_session_endpoint_fields \ foreach_transport_endpoint_cfg_fields \ @@ -39,7 +41,13 @@ typedef struct _session_endpoint_cfg #undef _ u32 app_wrk_index; u32 opaque; + u32 ns_index; + u8 original_tp; u8 *hostname; + u64 parent_handle; + u32 ckpair_index; + u8 crypto_engine; + u8 flags; } session_endpoint_cfg_t; #define SESSION_IP46_ZERO \ @@ -79,6 +87,8 @@ typedef struct _session_endpoint_cfg .app_wrk_index = ENDPOINT_INVALID_INDEX, \ .opaque = ENDPOINT_INVALID_INDEX, \ .hostname = 0, \ + .parent_handle = SESSION_INVALID_HANDLE, \ + .ckpair_index = 0 \ } #define session_endpoint_to_transport(_sep) ((transport_endpoint_t *)_sep) @@ -91,86 +101,125 @@ session_endpoint_fib_proto (session_endpoint_t * sep) return sep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; } +static inline u8 +session_endpoint_is_local (session_endpoint_t * sep) +{ + return (ip_is_zero (&sep->ip, sep->is_ip4) + || ip_is_local_host (&sep->ip, sep->is_ip4)); +} + +static inline u8 +session_endpoint_is_zero (session_endpoint_t * sep) +{ + return ip_is_zero (&sep->ip, sep->is_ip4); +} + typedef u8 session_type_t; typedef u64 session_handle_t; +typedef enum +{ + SESSION_CLEANUP_TRANSPORT, + SESSION_CLEANUP_SESSION, +} session_cleanup_ntf_t; + +typedef enum session_ft_action_ +{ + SESSION_FT_ACTION_ENQUEUED, + SESSION_FT_ACTION_DEQUEUED, + SESSION_FT_ACTION_N_ACTIONS +} session_ft_action_t; + /* - * Application session state + * Session states */ +#define foreach_session_state \ + _(CREATED, "created") \ + _(LISTENING, "listening") \ + _(CONNECTING, "connecting") \ + _(ACCEPTING, "accepting") \ + _(READY, "ready") \ + _(OPENED, "opened") \ + _(TRANSPORT_CLOSING, "transport-closing") \ + _(CLOSING, "closing") \ + _(APP_CLOSED, "app-closed") \ + _(TRANSPORT_CLOSED, "transport-closed") \ + _(CLOSED, "closed") \ + _(TRANSPORT_DELETED, "transport-deleted") \ + typedef enum { - SESSION_STATE_LISTENING, - SESSION_STATE_CONNECTING, - SESSION_STATE_ACCEPTING, - SESSION_STATE_READY, - SESSION_STATE_OPENED, - SESSION_STATE_TRANSPORT_CLOSING, - SESSION_STATE_CLOSING, - SESSION_STATE_CLOSED_WAITING, - SESSION_STATE_TRANSPORT_CLOSED, - SESSION_STATE_CLOSED, - SESSION_STATE_N_STATES, +#define _(sym, str) SESSION_STATE_ ## sym, + foreach_session_state +#undef _ + SESSION_N_STATES, } session_state_t; -typedef struct generic_session_ +#define foreach_session_flag \ + _(RX_EVT, "rx-event") \ + _(PROXY, "proxy") \ + _(CUSTOM_TX, "custom-tx") \ + _(IS_MIGRATING, "migrating") \ + _(UNIDIRECTIONAL, "unidirectional") \ + _(CUSTOM_FIFO_TUNING, "custom-fifo-tuning") \ + +typedef enum session_flags_bits_ { - svm_fifo_t *rx_fifo; /**< rx fifo */ - svm_fifo_t *tx_fifo; /**< tx fifo */ - session_type_t session_type; /**< session type */ - volatile u8 session_state; /**< session state */ - u32 session_index; /**< index in owning pool */ -} generic_session_t; +#define _(sym, str) SESSION_F_BIT_ ## sym, + foreach_session_flag +#undef _ + SESSION_N_FLAGS +} session_flag_bits_t; + +typedef enum session_flags_ +{ +#define _(sym, str) SESSION_F_ ## sym = 1 << SESSION_F_BIT_ ## sym, + foreach_session_flag +#undef _ +} session_flags_t; typedef struct session_ { - /** fifo pointers. Once allocated, these do not move */ + /** Pointers to rx/tx buffers. Once allocated, these do not move */ svm_fifo_t *rx_fifo; svm_fifo_t *tx_fifo; - /** Type */ + /** Type built from transport and network protocol types */ session_type_t session_type; - /** State */ + /** State in session layer state machine. See @ref session_state_t */ volatile u8 session_state; - /** Session index in per_thread pool */ + /** Index in thread pool where session was allocated */ u32 session_index; - /** App worker pool index */ + /** Index of the app worker that owns the session */ u32 app_wrk_index; + /** Index of the thread that allocated the session */ u8 thread_index; - /** To avoid n**2 "one event per frame" check */ - u64 enqueue_epoch; - - /** svm segment index where fifos were allocated */ - u32 svm_segment_index; + /** Session flags. See @ref session_flags_t */ + u32 flags; - /** Transport specific */ + /** Index of the transport connection associated to the session */ u32 connection_index; - union - { - /** Parent listener session if the result of an accept */ - u32 listener_index; - - /** Application index if a listener */ - u32 app_index; - }; + /** Index of application that owns the listener. Set only if a listener */ + u32 app_index; union { - /** Transport app index for apps acting as transports */ - u32 t_app_index; + /** Parent listener session index if the result of an accept */ + session_handle_t listener_handle; - /** Index in listener app's listener db */ - u32 listener_db_index; - - /** Opaque, for general use */ - u32 opaque; + /** App listener index in app's listener pool if a listener */ + u32 al_index; }; + /** Opaque, for general use */ + u32 opaque; + CLIB_CACHE_LINE_ALIGN_MARK (pad); } session_t; @@ -259,111 +308,131 @@ session_parse_handle (session_handle_t handle, u32 * index, *thread_index = session_thread_from_handle (handle); } -always_inline u8 -session_handle_is_local (session_handle_t handle) +static inline session_handle_t +session_make_handle (u32 session_index, u32 thread_index) { - if ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX) - return 1; - return 0; + return (((u64) thread_index << 32) | (u64) session_index); } -typedef struct local_session_ +typedef enum { - /** fifo pointers. Once allocated, these do not move */ - svm_fifo_t *rx_fifo; - svm_fifo_t *tx_fifo; - - /** Type */ - session_type_t session_type; + SESSION_IO_EVT_RX, + SESSION_IO_EVT_TX, + SESSION_IO_EVT_TX_FLUSH, + SESSION_IO_EVT_BUILTIN_RX, + SESSION_IO_EVT_BUILTIN_TX, + SESSION_CTRL_EVT_RPC, + SESSION_CTRL_EVT_CLOSE, + SESSION_CTRL_EVT_RESET, + SESSION_CTRL_EVT_BOUND, + SESSION_CTRL_EVT_UNLISTEN_REPLY, + SESSION_CTRL_EVT_ACCEPTED, + SESSION_CTRL_EVT_ACCEPTED_REPLY, + SESSION_CTRL_EVT_CONNECTED, + SESSION_CTRL_EVT_DISCONNECTED, + SESSION_CTRL_EVT_DISCONNECTED_REPLY, + SESSION_CTRL_EVT_RESET_REPLY, + SESSION_CTRL_EVT_REQ_WORKER_UPDATE, + SESSION_CTRL_EVT_WORKER_UPDATE, + SESSION_CTRL_EVT_WORKER_UPDATE_REPLY, + SESSION_CTRL_EVT_DISCONNECT, + SESSION_CTRL_EVT_CONNECT, + SESSION_CTRL_EVT_CONNECT_URI, + SESSION_CTRL_EVT_LISTEN, + SESSION_CTRL_EVT_LISTEN_URI, + SESSION_CTRL_EVT_UNLISTEN, + SESSION_CTRL_EVT_APP_DETACH, + SESSION_CTRL_EVT_APP_ADD_SEGMENT, + SESSION_CTRL_EVT_APP_DEL_SEGMENT, + SESSION_CTRL_EVT_MIGRATED, + SESSION_CTRL_EVT_CLEANUP, +} session_evt_type_t; + +#define foreach_session_ctrl_evt \ + _(LISTEN, listen) \ + _(LISTEN_URI, listen_uri) \ + _(BOUND, bound) \ + _(UNLISTEN, unlisten) \ + _(UNLISTEN_REPLY, unlisten_reply) \ + _(ACCEPTED, accepted) \ + _(ACCEPTED_REPLY, accepted_reply) \ + _(CONNECT, connect) \ + _(CONNECT_URI, connect_uri) \ + _(CONNECTED, connected) \ + _(DISCONNECT, disconnect) \ + _(DISCONNECTED, disconnected) \ + _(DISCONNECTED_REPLY, disconnected_reply) \ + _(RESET_REPLY, reset_reply) \ + _(REQ_WORKER_UPDATE, req_worker_update) \ + _(WORKER_UPDATE, worker_update) \ + _(WORKER_UPDATE_REPLY, worker_update_reply) \ + _(APP_DETACH, app_detach) \ + _(APP_ADD_SEGMENT, app_add_segment) \ + _(APP_DEL_SEGMENT, app_del_segment) \ + _(MIGRATED, migrated) \ + _(CLEANUP, cleanup) \ + +/* Deprecated and will be removed. Use types above */ +#define FIFO_EVENT_APP_RX SESSION_IO_EVT_RX +#define FIFO_EVENT_APP_TX SESSION_IO_EVT_TX +#define FIFO_EVENT_DISCONNECT SESSION_CTRL_EVT_CLOSE +#define FIFO_EVENT_BUILTIN_RX SESSION_IO_EVT_BUILTIN_RX +#define FIFO_EVENT_BUILTIN_TX SESSION_IO_EVT_BUILTIN_TX - /** State */ - volatile u8 session_state; - - /** Session index */ - u32 session_index; - - /** Server index */ - u32 app_wrk_index; - - /** Port for connection. Overlaps thread_index/enqueue_epoch */ - u16 port; - - /** Partly overlaps enqueue_epoch */ - u8 pad_epoch[7]; - - /** Segment index where fifos were allocated */ - u32 svm_segment_index; +typedef enum +{ + SESSION_MQ_IO_EVT_RING, + SESSION_MQ_CTRL_EVT_RING, + SESSION_MQ_N_RINGS +} session_mq_rings_e; - /** Transport listener index. Overlaps connection index */ - u32 transport_listener_index; +typedef struct +{ + void *fp; + void *arg; +} session_rpc_args_t; +typedef struct +{ + u8 event_type; + u8 postponed; union { - u32 listener_index; - u32 app_index; - }; - - u32 listener_db_index; - - /** Has transport embedded when listener not purely local */ - session_type_t listener_session_type; - - /** - * Client data - */ - u32 client_wrk_index; - u32 client_opaque; - - u64 server_evt_q; - u64 client_evt_q; - - CLIB_CACHE_LINE_ALIGN_MARK (pad); -} local_session_t; - -always_inline u32 -local_session_id (local_session_t * ls) -{ - ASSERT (ls->session_index < (2 << 16)); - u32 app_or_wrk_index; - - if (ls->session_state == SESSION_STATE_LISTENING) + u32 session_index; + session_handle_t session_handle; + session_rpc_args_t rpc_args; + u32 ctrl_data_index; + struct { - ASSERT (ls->app_index < (2 << 16)); - app_or_wrk_index = ls->app_index; - } - else - { - ASSERT (ls->app_wrk_index < (2 << 16)); - app_or_wrk_index = ls->app_wrk_index; - } + u8 data[0]; + }; + }; +} __clib_packed session_event_t; - return ((u32) app_or_wrk_index << 16 | (u32) ls->session_index); -} +#define SESSION_MSG_NULL { } -always_inline void -local_session_parse_id (u32 ls_id, u32 * app_or_wrk, u32 * session_index) +typedef struct session_dgram_pre_hdr_ { - *app_or_wrk = ls_id >> 16; - *session_index = ls_id & 0xFF; -} - -always_inline void -local_session_parse_handle (session_handle_t handle, u32 * app_or_wrk_index, - u32 * session_index) -{ - u32 bottom; - ASSERT ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX); - bottom = (handle & 0xFFFFFFFF); - local_session_parse_id (bottom, app_or_wrk_index, session_index); -} + u32 data_length; + u32 data_offset; +} session_dgram_pre_hdr_t; -always_inline session_handle_t -application_local_session_handle (local_session_t * ls) +typedef struct session_dgram_header_ { - return ((u64) SESSION_LOCAL_HANDLE_PREFIX << 32) - | (u64) local_session_id (ls); -} - + 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; +} __clib_packed session_dgram_hdr_t; + +#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"); #endif /* SRC_VNET_SESSION_SESSION_TYPES_H_ */ /*