tcp: make syn-rcvd timeout configurable

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

diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 846875d..b89052f 100644 (file)
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -118,16 +118,17 @@ typedef enum
   VCL_SESS_ATTR_CUT_THRU,
   VCL_SESS_ATTR_VEP,
   VCL_SESS_ATTR_VEP_SESSION,
-  VCL_SESS_ATTR_LISTEN,                // SOL_SOCKET,SO_ACCEPTCONN
-  VCL_SESS_ATTR_NONBLOCK,      // fcntl,O_NONBLOCK
-  VCL_SESS_ATTR_REUSEADDR,     // SOL_SOCKET,SO_REUSEADDR
-  VCL_SESS_ATTR_REUSEPORT,     // SOL_SOCKET,SO_REUSEPORT
-  VCL_SESS_ATTR_BROADCAST,     // SOL_SOCKET,SO_BROADCAST
-  VCL_SESS_ATTR_V6ONLY,                // SOL_TCP,IPV6_V6ONLY
-  VCL_SESS_ATTR_KEEPALIVE,     // SOL_SOCKET,SO_KEEPALIVE
-  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_LISTEN,               // SOL_SOCKET,SO_ACCEPTCONN
+  VCL_SESS_ATTR_NONBLOCK,      // fcntl,O_NONBLOCK
+  VCL_SESS_ATTR_REUSEADDR,     // SOL_SOCKET,SO_REUSEADDR
+  VCL_SESS_ATTR_REUSEPORT,     // SOL_SOCKET,SO_REUSEPORT
+  VCL_SESS_ATTR_BROADCAST,     // SOL_SOCKET,SO_BROADCAST
+  VCL_SESS_ATTR_V6ONLY,               // SOL_TCP,IPV6_V6ONLY
+  VCL_SESS_ATTR_KEEPALIVE,     // SOL_SOCKET,SO_KEEPALIVE
+  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_IP_PKTINFO,    /* IPPROTO_IP, IP_PKTINFO */
   VCL_SESS_ATTR_MAX
 } vppcom_session_attr_t;
 
@@ -141,6 +142,7 @@ typedef enum vcl_session_flags_
   VCL_SESSION_F_WR_SHUTDOWN = 1 << 5,
   VCL_SESSION_F_PENDING_DISCONNECT = 1 << 6,
   VCL_SESSION_F_PENDING_FREE = 1 << 7,
+  VCL_SESSION_F_PENDING_LISTEN = 1 << 8,
 } __clib_packed vcl_session_flags_t;
 
 typedef struct vcl_session_
@@ -157,14 +159,15 @@ typedef struct vcl_session_
   svm_fifo_t *ct_tx_fifo;
   vcl_session_msg_t *accept_evts_fifo;
 
-  u64 vpp_handle;
-  u64 parent_handle;
+  session_handle_t vpp_handle;
+  session_handle_t 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;
   u32 vrf;
+  u16 gso_size;
 
   u32 sndbuf_size;             // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
   u32 rcvbuf_size;             // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
@@ -177,6 +180,9 @@ typedef struct vcl_session_
 #if VCL_ELOG
   elog_track_t elog_track;
 #endif
+
+  u16 original_dst_port; /**< original dst port (network order) */
+  u32 original_dst_ip4;         /**< original dst ip4 (network order) */
 } vcl_session_t;
 
 typedef struct vppcom_cfg_t_
@@ -205,6 +211,7 @@ typedef struct vppcom_cfg_t_
   u32 tls_engine;
   u8 mt_wrk_supported;
   u8 huge_page;
+  u8 app_original_dst;
 } vppcom_cfg_t;
 
 void vppcom_cfg (vppcom_cfg_t * vcl_cfg);
@@ -341,6 +348,10 @@ typedef struct vppcom_main_t_
   /** Lock to protect worker registrations */
   clib_spinlock_t workers_lock;
 
+  /** Counter to determine order of execution of `vcl_api_retry_attach`
+   * function by multiple workers */
+  int reattach_count;
+
   /** Lock to protect segment hash table */
   clib_rwlock_t segment_table_lock;
 
@@ -653,6 +664,32 @@ vcl_session_clear_attr (vcl_session_t * s, u8 attr)
   s->attributes &= ~(1 << attr);
 }
 
+static inline session_evt_type_t
+vcl_session_dgram_tx_evt (vcl_session_t *s, session_evt_type_t et)
+{
+  return (s->flags & VCL_SESSION_F_CONNECTED) ? et : SESSION_IO_EVT_TX_MAIN;
+}
+
+static inline void
+vcl_session_add_want_deq_ntf (vcl_session_t *s, svm_fifo_deq_ntf_t evt)
+{
+  svm_fifo_t *txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo;
+  if (txf)
+    {
+      svm_fifo_add_want_deq_ntf (txf, evt);
+      /* Request tx notification only if 3% of fifo is empty */
+      svm_fifo_set_deq_thresh (txf, 0.03 * svm_fifo_size (txf));
+    }
+}
+
+static inline void
+vcl_session_del_want_deq_ntf (vcl_session_t *s, svm_fifo_deq_ntf_t evt)
+{
+  svm_fifo_t *txf = vcl_session_is_ct (s) ? s->ct_tx_fifo : s->tx_fifo;
+  if (txf)
+    svm_fifo_del_want_deq_ntf (txf, evt);
+}
+
 /*
  * Helpers
  */
@@ -720,6 +757,7 @@ 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_segment_detach_segments (u32 *seg_indices);
+void vcl_send_session_listen (vcl_worker_t *wrk, vcl_session_t *s);
 void vcl_send_session_unlisten (vcl_worker_t * wrk, vcl_session_t * s);
 
 int vcl_segment_attach_session (uword segment_handle, uword rxf_offset,