X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvcl%2Fvcl_private.h;h=bbcc3fabedb375a10b39809eceeb239c223c6da3;hb=935ce75cb;hp=8bafa5f74b4b09331e43e8d566ddfe9e3076bc7c;hpb=88001c64e9e5d0dc08e303857ca34687454ebf10;p=vpp.git

diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 8bafa5f74b4..bbcc3fabedb 100644
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -57,19 +57,20 @@ typedef enum
   STATE_APP_ENABLED,
   STATE_APP_ATTACHED,
   STATE_APP_ADDING_WORKER,
+  STATE_APP_ADDING_TLS_DATA,
   STATE_APP_FAILED,
   STATE_APP_READY
-} app_state_t;
+} vcl_bapi_app_state_t;
 
 typedef enum
 {
-  STATE_START = 0,
+  STATE_CLOSED = 0,
   STATE_CONNECT = 0x01,
   STATE_LISTEN = 0x02,
   STATE_ACCEPT = 0x04,
   STATE_VPP_CLOSING = 0x08,
   STATE_DISCONNECT = 0x10,
-  STATE_FAILED = 0x20,
+  STATE_DETACHED = 0x20,
   STATE_UPDATED = 0x40,
   STATE_LISTEN_NO_MQ = 0x80,
 } vcl_session_state_t;
@@ -107,7 +108,6 @@ typedef struct
 
 typedef struct vcl_session_msg
 {
-  u32 next;
   union
   {
     session_accepted_msg_t accepted_msg;
@@ -149,6 +149,11 @@ do {                                            \
 #define VCL_SESS_ATTR_TEST(ATTR, VAL)           \
   ((ATTR) & (1 << (VAL)) ? 1 : 0)
 
+typedef enum vcl_session_flags_
+{
+  VCL_SESSION_F_CONNECTED = 1 << 0,
+} __clib_packed vcl_session_flags_t;
+
 typedef struct
 {
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -158,7 +163,6 @@ typedef struct
   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)
-  u32 client_context;
   u64 vpp_handle;
   u32 vpp_thread_index;
 
@@ -168,8 +172,14 @@ typedef struct
   /* Socket configuration state */
   u8 is_vep;
   u8 is_vep_session;
+  vcl_session_flags_t flags;
+  /* 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 parent_handle;
   vppcom_epoll_t vep;
   int libc_epfd;
   svm_msg_q_t *our_evt_q;
@@ -185,8 +195,8 @@ typedef struct vppcom_cfg_t_
   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;
@@ -204,8 +214,12 @@ 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_app_socket_api;	/**< app socket api socket file name */
+  u8 *vpp_bapi_filename;	/**< bapi shm transport file name */
+  u8 *vpp_bapi_socket_name;	/**< bapi socket transport socket name */
+  u8 *vpp_bapi_chroot;
+  u32 tls_engine;
+  u8 mt_wrk_supported;
 } vppcom_cfg_t;
 
 void vppcom_cfg (vppcom_cfg_t * vcl_cfg);
@@ -238,15 +252,15 @@ 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;
+  /** VPP bapi client handle */
+  u32 bapi_client_index;
 
   /** VPP binary api input queue */
   svm_queue_t *vl_input_queue;
 
+  /** VPP mq to be used for exchanging control messages */
+  svm_msg_q_t *ctrl_mq;
+
   /** Message queues epoll fd. Initialized only if using mqs with eventfds */
   int mqs_epfd;
 
@@ -289,8 +303,18 @@ 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;
+
+  /** vcl needs next epoll_create to go to libc_epoll */
+  u8 vcl_needs_real_epoll;
+  volatile int rpc_done;
 } vcl_worker_t;
 
+typedef void (vcl_rpc_fn_t) (void *args);
+
 typedef struct vppcom_main_t_
 {
   u8 is_init;
@@ -303,9 +327,6 @@ 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 */
@@ -325,22 +346,36 @@ typedef struct vppcom_main_t_
   /** Mapped segments table */
   uword *segment_table;
 
+  /** Control mq obtained from attach */
+  svm_msg_q_t *ctrl_mq;
+
   fifo_segment_main_t segment_main;
 
+  vcl_rpc_fn_t *wrk_rpc_fn;
+
+  /*
+   * Binary api context
+   */
+
+  /* State of the connection, shared between msg RX thread and main thread */
+  volatile vcl_bapi_app_state_t bapi_app_state;
+
+  /* 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)
 
@@ -351,12 +386,15 @@ vcl_session_alloc (vcl_worker_t * wrk)
   pool_get (wrk->sessions, s);
   memset (s, 0, sizeof (*s));
   s->session_index = s - wrk->sessions;
+  s->listener_index = VCL_INVALID_SESSION_INDEX;
   return s;
 }
 
 static inline void
 vcl_session_free (vcl_worker_t * wrk, vcl_session_t * s)
 {
+  /* 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);
   pool_put (wrk->sessions, s);
 }
 
@@ -368,6 +406,13 @@ 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)
 {
@@ -446,6 +491,26 @@ vcl_session_table_del_listener (vcl_worker_t * wrk, u64 listener_handle)
   hash_unset (wrk->session_index_by_vpp_handles, listener_handle);
 }
 
+static inline int
+vcl_session_is_connectable_listener (vcl_worker_t * wrk,
+				     vcl_session_t * session)
+{
+  /* Tell if we session_handle is a QUIC session.
+   * We can be in the following cases :
+   * Listen session <- QUIC session <- Stream session
+   * QUIC session <- Stream session
+   */
+  vcl_session_t *ls;
+  if (session->session_type != VPPCOM_PROTO_QUIC)
+    return 0;
+  if (session->listener_index == VCL_INVALID_SESSION_INDEX)
+    return !(session->session_state & STATE_LISTEN);
+  ls = vcl_session_get_w_handle (wrk, session->listener_index);
+  if (!ls)
+    return VPPCOM_EBADFD;
+  return ls->session_state & STATE_LISTEN;
+}
+
 static inline vcl_session_t *
 vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle)
 {
@@ -466,7 +531,8 @@ vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle)
       return 0;
     }
 
-  ASSERT (session->session_state & (STATE_LISTEN | STATE_LISTEN_NO_MQ));
+  ASSERT ((session->session_state & (STATE_LISTEN | STATE_LISTEN_NO_MQ)) ||
+	  vcl_session_is_connectable_listener (wrk, session));
   return session;
 }
 
@@ -478,6 +544,14 @@ vcl_session_is_ct (vcl_session_t * s)
   return (s->ct_tx_fifo != 0);
 }
 
+static inline u8
+vcl_session_is_cl (vcl_session_t * s)
+{
+  if (s->session_type == VPPCOM_PROTO_UDP)
+    return !(s->flags & VCL_SESSION_F_CONNECTED);
+  return 0;
+}
+
 static inline u8
 vcl_session_is_open (vcl_session_t * s)
 {
@@ -493,9 +567,16 @@ vcl_session_is_closing (vcl_session_t * s)
 	  || s->session_state == STATE_DISCONNECT);
 }
 
+static inline u8
+vcl_session_is_closed (vcl_session_t * s)
+{
+  return (!s || (s->session_state == STATE_CLOSED));
+}
+
 static inline int
 vcl_session_closing_error (vcl_session_t * s)
 {
+  /* Return 0 on closing sockets */
   return s->session_state == STATE_DISCONNECT ? VPPCOM_ECONNRESET : 0;
 }
 
@@ -506,10 +587,34 @@ vcl_session_closed_error (vcl_session_t * s)
     ? 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;
+}
+
 /*
  * 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);
@@ -519,10 +624,9 @@ 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);
 
@@ -565,33 +669,45 @@ vcl_session_vpp_evt_q (vcl_worker_t * wrk, vcl_session_t * s)
   return wrk->vpp_event_queues[s->vpp_thread_index];
 }
 
+static inline u64
+vcl_vpp_worker_segment_handle (u32 wrk_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);
+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);
+
 /*
  * VCL Binary API
  */
-int vppcom_connect_to_vpp (char *app_name);
-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 vppcom_send_connect_sock (vcl_session_t * session);
-void vppcom_send_disconnect_session (u64 vpp_handle);
-void vppcom_send_bind_sock (vcl_session_t * session);
-void vppcom_send_unbind_sock (vcl_worker_t * wrk, 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);
-
-u32 vcl_max_nsid_len (void);
-
-u8 *format_api_error (u8 * s, va_list * args);
-
-void vls_init ();
+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);
+void vcl_bapi_send_application_tls_cert_add (vcl_session_t * session,
+					     char *cert, u32 cert_len);
+void vcl_bapi_send_application_tls_key_add (vcl_session_t * session,
+					    char *key, u32 key_len);
+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);
+
 #endif /* SRC_VCL_VCL_PRIVATE_H_ */
 
 /*