tcp: avoid fr segments less than mss if possible

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

diff --git a/src/vcl/vcl_private.h b/src/vcl/vcl_private.h
index 39a0f05..41a11b7 100644 (file)
--- a/src/vcl/vcl_private.h
+++ b/src/vcl/vcl_private.h
@@ -180,6 +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_
@@ -208,6 +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);
@@ -671,7 +675,11 @@ 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);
+    {
+      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