vcl: basic support for epoll level-triggered evts

[vpp.git] / src / vcl / vcl_private.h

diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 34e05f2..ab3ecab 100644 (file)
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -126,8 +126,6 @@ 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;
 
@@ -137,6 +135,8 @@ typedef enum vcl_session_flags_
   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 vcl_session_
@@ -160,12 +160,13 @@ typedef struct vcl_session_
   vppcom_epoll_t vep;
   u32 attributes;              /**< see @ref vppcom_session_attr_t */
   int libc_epfd;
-  u32 ckpair_index;
   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
@@ -252,6 +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;
 
@@ -387,6 +394,8 @@ 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);
   vcl_session_detach_fifos (s);
+  if (s->ext_config)
+    clib_mem_free (s->ext_config);
   pool_put (wrk->sessions, s);
 }
 
@@ -523,6 +532,12 @@ vcl_session_table_lookup_listener (vcl_worker_t * wrk, u64 handle)
       return 0;
     }
 
+  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));
@@ -616,7 +631,8 @@ vcl_ip_copy_to_ep (ip46_address_t * ip, vppcom_endpt_t * ep, u8 is_ip4)
 static inline int
 vcl_proto_is_dgram (uint8_t proto)
 {
-  return proto == VPPCOM_PROTO_UDP || proto == VPPCOM_PROTO_DTLS;
+  return proto == VPPCOM_PROTO_UDP || proto == VPPCOM_PROTO_DTLS ||
+        proto == VPPCOM_PROTO_SRTP;
 }
 
 static inline u8
@@ -661,6 +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)
@@ -709,6 +727,9 @@ int vcl_segment_attach_session (uword segment_handle, uword rxf_offset,
 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);
 
 /*
  * VCL Binary API