X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvcl%2Fvcl_private.h;h=ab3ecab36fa198ebd13cd63c4e15031fb6f12b55;hb=fe286f7d1;hp=f1c15bac0bc0f49a5dc3113fd3560133f8ed8944;hpb=adcfb15fa0b08403c5b5b170149f7d3662e65761;p=vpp.git diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h index f1c15bac0bc..ab3ecab36fa 100644 --- a/src/vcl/vcl_private.h +++ b/src/vcl/vcl_private.h @@ -60,25 +60,20 @@ typedef enum STATE_APP_ADDING_TLS_DATA, STATE_APP_FAILED, STATE_APP_READY -} app_state_t; - -typedef enum -{ - STATE_CLOSED = 0, - STATE_CONNECT = 0x01, - STATE_LISTEN = 0x02, - STATE_ACCEPT = 0x04, - STATE_VPP_CLOSING = 0x08, - STATE_DISCONNECT = 0x10, - STATE_DETACHED = 0x20, - STATE_UPDATED = 0x40, - STATE_LISTEN_NO_MQ = 0x80, +} vcl_bapi_app_state_t; + +typedef enum vcl_session_state_ +{ + VCL_STATE_CLOSED, + VCL_STATE_LISTEN, + VCL_STATE_READY, + VCL_STATE_VPP_CLOSING, + VCL_STATE_DISCONNECT, + VCL_STATE_DETACHED, + VCL_STATE_UPDATED, + VCL_STATE_LISTEN_NO_MQ, } vcl_session_state_t; -#define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_VPP_CLOSING) -#define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_VPP_CLOSING) -#define STATE_OPEN (SERVER_STATE_OPEN | CLIENT_STATE_OPEN) - typedef struct epoll_event vppcom_epoll_event_t; typedef struct @@ -108,7 +103,6 @@ typedef struct typedef struct vcl_session_msg { - u32 next; union { session_accepted_msg_t accepted_msg; @@ -132,53 +126,47 @@ typedef enum VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL - VCL_SESS_ATTR_SHUT_RD, - VCL_SESS_ATTR_SHUT_WR, VCL_SESS_ATTR_MAX } vppcom_session_attr_t; -#define VCL_SESS_ATTR_SET(ATTR, VAL) \ -do { \ - (ATTR) |= 1 << (VAL); \ - } while (0) - -#define VCL_SESS_ATTR_CLR(ATTR, VAL) \ -do { \ - (ATTR) &= ~(1 << (VAL)); \ - } while (0) - -#define VCL_SESS_ATTR_TEST(ATTR, VAL) \ - ((ATTR) & (1 << (VAL)) ? 1 : 0) +typedef enum vcl_session_flags_ +{ + VCL_SESSION_F_CONNECTED = 1 << 0, + VCL_SESSION_F_IS_VEP = 1 << 1, + VCL_SESSION_F_IS_VEP_SESSION = 1 << 2, + VCL_SESSION_F_HAS_RX_EVT = 1 << 3, + VCL_SESSION_F_RD_SHUTDOWN = 1 << 4, + VCL_SESSION_F_WR_SHUTDOWN = 1 << 5, +} __clib_packed vcl_session_flags_t; -typedef struct +typedef struct vcl_session_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + #define _(type, name) type name; foreach_app_session_field #undef _ - u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF) - u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF) - u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG) - u64 vpp_handle; - u32 vpp_thread_index; + vcl_session_flags_t flags; /**< see @ref vcl_session_flags_t */ + u32 rx_bytes_pending; /**< bytes rx-ed as segs but not yet freed */ svm_fifo_t *ct_rx_fifo; svm_fifo_t *ct_tx_fifo; + vcl_session_msg_t *accept_evts_fifo; - /* Socket configuration state */ - u8 is_vep; - u8 is_vep_session; - /* VCL session index of the listening session (if any) */ - u32 listener_index; - /* Accepted sessions on this listener */ - int n_accepted_sessions; - u8 has_rx_evt; - u32 attr; + u64 vpp_handle; u64 parent_handle; + u32 listener_index; /**< index of parent listener (if any) */ + int n_accepted_sessions; /**< sessions accepted by this listener */ vppcom_epoll_t vep; + u32 attributes; /**< see @ref vppcom_session_attr_t */ int libc_epfd; - svm_msg_q_t *our_evt_q; - vcl_session_msg_t *accept_evts_fifo; + u32 vrf; + + u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF) + u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF) + + transport_endpt_ext_cfg_t *ext_config; + #if VCL_ELOG elog_track_t elog_track; #endif @@ -188,10 +176,9 @@ typedef struct vppcom_cfg_t_ { uword heapsize; u32 max_workers; - u32 vpp_api_q_length; uword segment_baseva; - u32 segment_size; - u32 add_segment_size; + uword segment_size; + uword add_segment_size; u32 preallocated_fifo_pairs; u32 rx_fifo_size; u32 tx_fifo_size; @@ -209,10 +196,10 @@ typedef struct vppcom_cfg_t_ f64 accept_timeout; u32 event_ring_size; char *event_log_path; - u8 *vpp_api_filename; - u8 *vpp_api_socket_name; - u8 *vpp_api_chroot; + u8 *vpp_app_socket_api; /**< app socket api socket file name */ + u8 *vpp_bapi_socket_name; /**< bapi socket transport socket name */ u32 tls_engine; + u8 mt_wrk_supported; } vppcom_cfg_t; void vppcom_cfg (vppcom_cfg_t * vcl_cfg); @@ -245,11 +232,11 @@ typedef struct vcl_worker_ /** Worker index in vpp*/ u32 vpp_wrk_index; - /** API client handle */ - u32 my_client_index; - - /** State of the connection, shared between msg RX thread and main thread */ - volatile app_state_t wrk_state; + /** + * Generic api client handle. When binary api is in used, it stores + * the "client_index" and when socket api is use, it stores the sapi + * client handle */ + u32 api_client_handle; /** VPP binary api input queue */ svm_queue_t *vl_input_queue; @@ -266,6 +253,12 @@ typedef struct vcl_worker_ /** Per worker buffer for receiving mq epoll events */ struct epoll_event *mq_events; + /** Vector of session indices recently notified of epoll level events */ + u32 *ep_level_evts; + + /** Storage for level events session while new ones are processed */ + u32 *ep_level_evts_fl; + /** Hash table for disconnect processing */ uword *session_index_by_vpp_handles; @@ -277,9 +270,6 @@ typedef struct vcl_worker_ /** Our event message queue */ svm_msg_q_t *app_event_queue; - /** VPP workers event message queues */ - svm_msg_q_t **vpp_event_queues; - /** For deadman timers */ clib_time_t clib_time; @@ -299,11 +289,31 @@ typedef struct vcl_worker_ u32 forked_child; + clib_socket_t app_api_sock; socket_client_main_t bapi_sock_ctx; - memory_client_main_t bapi_shm_ctx; api_main_t bapi_api_ctx; + memory_client_main_t bapi_mem_ctx; + + /* State of the connection, shared between msg RX thread and main thread */ + volatile vcl_bapi_app_state_t bapi_app_state; + volatile uword bapi_return; + + u8 session_attr_op; + int session_attr_op_rv; + transport_endpt_attr_t session_attr_rv; + + /** vcl needs next epoll_create to go to libc_epoll */ + u8 vcl_needs_real_epoll; + volatile int rpc_done; } vcl_worker_t; +STATIC_ASSERT (sizeof (session_disconnected_msg_t) <= 16, + "disconnected must fit in session_event_t"); +STATIC_ASSERT (sizeof (session_reset_msg_t) <= 16, + "disconnected must fit in session_event_t"); + +typedef void (vcl_rpc_fn_t) (void *args); + typedef struct vppcom_main_t_ { u8 is_init; @@ -316,9 +326,6 @@ typedef struct vppcom_main_t_ /** App's index in vpp. It's used by vpp to identify the app */ u32 app_index; - /** State of the connection, shared between msg RX thread and main thread */ - volatile app_state_t app_state; - u8 *app_name; /** VCL configuration */ @@ -343,24 +350,33 @@ typedef struct vppcom_main_t_ fifo_segment_main_t segment_main; + vcl_rpc_fn_t *wrk_rpc_fn; + + /* + * Binary api context + */ + + /* VNET_API_ERROR_FOO -> "Foo" hash table */ + uword *error_string_by_error_number; + #ifdef VCL_ELOG /* VPP Event-logger */ elog_main_t elog_main; elog_track_t elog_track; #endif - /* VNET_API_ERROR_FOO -> "Foo" hash table */ - uword *error_string_by_error_number; - } vppcom_main_t; extern vppcom_main_t *vcm; +extern vppcom_main_t _vppcom_main; #define VCL_INVALID_SESSION_INDEX ((u32)~0) #define VCL_INVALID_SESSION_HANDLE ((u64)~0) #define VCL_INVALID_SEGMENT_INDEX ((u32)~0) #define VCL_INVALID_SEGMENT_HANDLE ((u64)~0) +void vcl_session_detach_fifos (vcl_session_t *s); + static inline vcl_session_t * vcl_session_alloc (vcl_worker_t * wrk) { @@ -375,7 +391,11 @@ vcl_session_alloc (vcl_worker_t * wrk) static inline void vcl_session_free (vcl_worker_t * wrk, vcl_session_t * s) { - VDBG (0, "session %u [0x%llx] removed", s->session_index, s->vpp_handle); + /* Debug level set to 1 to avoid debug messages while ldp is cleaning up */ + VDBG (1, "session %u [0x%llx] removed", s->session_index, s->vpp_handle); + vcl_session_detach_fifos (s); + if (s->ext_config) + clib_mem_free (s->ext_config); pool_put (wrk->sessions, s); } @@ -387,6 +407,13 @@ vcl_session_get (vcl_worker_t * wrk, u32 session_index) return pool_elt_at_index (wrk->sessions, session_index); } +static inline vcl_session_handle_t +vcl_session_handle_from_wrk_session_index (u32 session_index, u32 wrk_index) +{ + ASSERT (session_index < 2 << 24); + return (wrk_index << 24 | session_index); +} + static inline vcl_session_handle_t vcl_session_handle_from_index (u32 session_index) { @@ -478,18 +505,18 @@ vcl_session_is_connectable_listener (vcl_worker_t * wrk, if (session->session_type != VPPCOM_PROTO_QUIC) return 0; if (session->listener_index == VCL_INVALID_SESSION_INDEX) - return !(session->session_state & STATE_LISTEN); + return !(session->session_state == VCL_STATE_LISTEN); ls = vcl_session_get_w_handle (wrk, session->listener_index); if (!ls) return VPPCOM_EBADFD; - return ls->session_state & STATE_LISTEN; + return ls->session_state == VCL_STATE_LISTEN; } static inline vcl_session_t * vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle) { uword *p; - vcl_session_t *session; + vcl_session_t *s; p = hash_get (wrk->session_index_by_vpp_handles, handle); if (!p) @@ -498,16 +525,23 @@ vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle) " %llx", handle); return 0; } - session = vcl_session_get (wrk, p[0]); - if (!session) + s = vcl_session_get (wrk, p[0]); + if (!s) { VDBG (1, "invalid listen session index (%u)", p[0]); return 0; } - ASSERT ((session->session_state & (STATE_LISTEN | STATE_LISTEN_NO_MQ)) || - vcl_session_is_connectable_listener (wrk, session)); - return session; + if (s->session_state == VCL_STATE_DISCONNECT) + { + VDBG (0, "listen session [0x%llx] is closing", s->vpp_handle); + return 0; + } + + ASSERT (s->session_state == VCL_STATE_LISTEN + || s->session_state == VCL_STATE_LISTEN_NO_MQ + || vcl_session_is_connectable_listener (wrk, s)); + return s; } const char *vppcom_session_state_str (vcl_session_state_t state); @@ -522,43 +556,106 @@ static inline u8 vcl_session_is_cl (vcl_session_t * s) { if (s->session_type == VPPCOM_PROTO_UDP) - return 1; + return !(s->flags & VCL_SESSION_F_CONNECTED); return 0; } +static inline u8 +vcl_session_has_crypto (vcl_session_t *s) +{ + return (s->session_type == VPPCOM_PROTO_TLS || + s->session_type == VPPCOM_PROTO_QUIC || + s->session_type == VPPCOM_PROTO_DTLS); +} + +static inline u8 +vcl_session_is_ready (vcl_session_t * s) +{ + return (s->session_state == VCL_STATE_READY + || s->session_state == VCL_STATE_VPP_CLOSING); +} + static inline u8 vcl_session_is_open (vcl_session_t * s) { - return ((s->session_state & STATE_OPEN) - || (s->session_state == STATE_LISTEN - && s->session_type == VPPCOM_PROTO_UDP)); + return ((vcl_session_is_ready (s)) + || (s->session_state == VCL_STATE_LISTEN && vcl_session_is_cl (s))); } static inline u8 vcl_session_is_closing (vcl_session_t * s) { - return (s->session_state == STATE_VPP_CLOSING - || s->session_state == STATE_DISCONNECT); + return (s->session_state == VCL_STATE_VPP_CLOSING + || s->session_state == VCL_STATE_DISCONNECT); +} + +static inline u8 +vcl_session_is_closed (vcl_session_t * s) +{ + return (!s || (s->session_state == VCL_STATE_CLOSED)); } static inline int vcl_session_closing_error (vcl_session_t * s) { - return s->session_state == STATE_DISCONNECT - ? VPPCOM_ECONNRESET : VPPCOM_ECONNABORTED; + /* Return 0 on closing sockets */ + return s->session_state == VCL_STATE_DISCONNECT ? VPPCOM_ECONNRESET : 0; } static inline int vcl_session_closed_error (vcl_session_t * s) { - return s->session_state == STATE_DISCONNECT + return s->session_state == VCL_STATE_DISCONNECT ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN; } +static inline void +vcl_ip_copy_from_ep (ip46_address_t * ip, vppcom_endpt_t * ep) +{ + if (ep->is_ip4) + clib_memcpy_fast (&ip->ip4, ep->ip, sizeof (ip4_address_t)); + else + clib_memcpy_fast (&ip->ip6, ep->ip, sizeof (ip6_address_t)); +} + +static inline void +vcl_ip_copy_to_ep (ip46_address_t * ip, vppcom_endpt_t * ep, u8 is_ip4) +{ + ep->is_ip4 = is_ip4; + if (is_ip4) + clib_memcpy_fast (ep->ip, &ip->ip4, sizeof (ip4_address_t)); + else + clib_memcpy_fast (ep->ip, &ip->ip6, sizeof (ip6_address_t)); +} + +static inline int +vcl_proto_is_dgram (uint8_t proto) +{ + return proto == VPPCOM_PROTO_UDP || proto == VPPCOM_PROTO_DTLS || + proto == VPPCOM_PROTO_SRTP; +} + +static inline u8 +vcl_session_has_attr (vcl_session_t * s, u8 attr) +{ + return (s->attributes & (1 << attr)) ? 1 : 0; +} + +static inline void +vcl_session_set_attr (vcl_session_t * s, u8 attr) +{ + s->attributes |= 1 << attr; +} + +static inline void +vcl_session_clear_attr (vcl_session_t * s, u8 attr) +{ + s->attributes &= ~(1 << attr); +} + /* * Helpers */ -int vcl_wait_for_app_state_change (app_state_t app_state); vcl_mq_evt_conn_t *vcl_mq_evt_conn_alloc (vcl_worker_t * wrk); u32 vcl_mq_evt_conn_index (vcl_worker_t * wrk, vcl_mq_evt_conn_t * mqc); vcl_mq_evt_conn_t *vcl_mq_evt_conn_get (vcl_worker_t * wrk, u32 mq_conn_idx); @@ -568,11 +665,9 @@ int vcl_mq_epoll_del_evfd (vcl_worker_t * wrk, u32 mqc_index); vcl_worker_t *vcl_worker_alloc_and_init (void); void vcl_worker_cleanup (vcl_worker_t * wrk, u8 notify_vpp); int vcl_worker_register_with_vpp (void); -int vcl_worker_set_bapi (void); svm_msg_q_t *vcl_worker_ctrl_mq (vcl_worker_t * wrk); void vcl_flush_mq_events (void); -void vcl_cleanup_bapi (void); int vcl_session_cleanup (vcl_worker_t * wrk, vcl_session_t * session, vcl_session_handle_t sh, u8 do_disconnect); @@ -582,6 +677,8 @@ void vcl_segment_table_del (u64 segment_handle); int vcl_session_read_ready (vcl_session_t * session); int vcl_session_write_ready (vcl_session_t * session); +int vcl_session_alloc_ext_cfg (vcl_session_t *s, + transport_endpt_ext_cfg_type_t type, u32 len); static inline vcl_worker_t * vcl_worker_get (u32 wrk_index) @@ -609,42 +706,53 @@ vcl_n_workers (void) return pool_elts (vcm->workers); } -static inline svm_msg_q_t * -vcl_session_vpp_evt_q (vcl_worker_t * wrk, vcl_session_t * s) +static inline u64 +vcl_vpp_worker_segment_handle (u32 wrk_index) { - return wrk->vpp_event_queues[s->vpp_thread_index]; + return (VCL_INVALID_SEGMENT_HANDLE - wrk_index - 1); } void vcl_send_session_worker_update (vcl_worker_t * wrk, vcl_session_t * s, u32 wrk_index); -/* - * VCL Binary API - */ -int vppcom_connect_to_vpp (char *app_name); -void vppcom_disconnect_from_vpp (void); -void vppcom_init_error_string_table (void); -void vppcom_send_session_enable_disable (u8 is_enable); -void vppcom_app_send_attach (void); -void vppcom_app_send_detach (void); -void vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s); -void vppcom_send_disconnect_session (u64 vpp_handle); -void vppcom_api_hookup (void); -void vppcom_send_application_tls_cert_add (vcl_session_t * session, - char *cert, u32 cert_len); -void vppcom_send_application_tls_key_add (vcl_session_t * session, char *key, - u32 key_len); -void vcl_send_app_worker_add_del (u8 is_add); -void vcl_send_child_worker_del (vcl_worker_t * wrk); +int vcl_send_worker_rpc (u32 dst_wrk_index, void *data, u32 data_len); int vcl_segment_attach (u64 segment_handle, char *name, ssvm_segment_type_t type, int fd); void vcl_segment_detach (u64 segment_handle); +void vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s); -u32 vcl_max_nsid_len (void); +int vcl_segment_attach_session (uword segment_handle, uword rxf_offset, + uword txf_offset, uword mq_offset, u8 is_ct, + vcl_session_t *s); +int vcl_segment_attach_mq (uword segment_handle, uword mq_offset, u32 mq_index, + svm_msg_q_t **mq); +int vcl_segment_discover_mqs (uword segment_handle, int *fds, u32 n_fds); +svm_fifo_chunk_t *vcl_segment_alloc_chunk (uword segment_handle, + u32 slice_index, u32 size, + uword *offset); -u8 *format_api_error (u8 * s, va_list * args); +/* + * VCL Binary API + */ +int vcl_bapi_attach (void); +int vcl_bapi_app_worker_add (void); +void vcl_bapi_app_worker_del (vcl_worker_t * wrk); +void vcl_bapi_disconnect_from_vpp (void); +int vcl_bapi_recv_fds (vcl_worker_t * wrk, int *fds, int n_fds); +int vcl_bapi_add_cert_key_pair (vppcom_cert_key_pair_t *ckpair); +int vcl_bapi_del_cert_key_pair (u32 ckpair_index); +u32 vcl_bapi_max_nsid_len (void); +int vcl_bapi_worker_set (void); + +/* + * VCL Socket API + */ +int vcl_sapi_attach (void); +int vcl_sapi_app_worker_add (void); +void vcl_sapi_app_worker_del (vcl_worker_t * wrk); +void vcl_sapi_detach (vcl_worker_t * wrk); +int vcl_sapi_recv_fds (vcl_worker_t * wrk, int *fds, int n_fds); -void vls_init (); #endif /* SRC_VCL_VCL_PRIVATE_H_ */ /*