TCP horizontal scaling

- Remove frame handoff support machinery. We haven't used it in a long
  time.
- Configuration support for the local endpoints bihash table
- Drop lookup failure packets in tcp46_syn_sent

Change-Id: Icd51e6785f74661c741e76fac23d21c4cc998d17
Signed-off-by: Dave Barach <dave@barachs.net>

3 files changed, 8 insertions, 21 deletions

diff --git a/src/vlib/main.c b/src/vlib/main.c
index 73548fbea72..5d99e899273 100644
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -138,19 +138,12 @@ vlib_frame_alloc_to_node (vlib_main_t * vm, u32 to_node_index,
   else
     {
       f = clib_mem_alloc_aligned_no_fail (n, VLIB_FRAME_ALIGN);
-      f->thread_index = vm->thread_index;
       fi = vlib_frame_index_no_check (vm, f);
     }
 
   /* Poison frame when debugging. */
   if (CLIB_DEBUG > 0)
-    {
-      u32 save_thread_index = f->thread_index;
-
-      memset (f, 0xfe, n);
-
-      f->thread_index = save_thread_index;
-    }
+    memset (f, 0xfe, n);
 
   /* Insert magic number. */
   {
diff --git a/src/vlib/node.h b/src/vlib/node.h
index 77914272bbc..2acd61ce3f6 100644
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -326,7 +326,7 @@ typedef struct vlib_node_t
 
 /* Max number of vector elements to process at once per node. */
 #define VLIB_FRAME_SIZE 256
-#define VLIB_FRAME_ALIGN VLIB_MAX_CPUS
+#define VLIB_FRAME_ALIGN CLIB_CACHE_LINE_BYTES
 
 /* Calling frame (think stack frame) for a node. */
 typedef struct vlib_frame_t
@@ -343,9 +343,6 @@ typedef struct vlib_frame_t
   /* Number of vector elements currently in frame. */
   u16 n_vectors;
 
-  /* Owner thread / heap id */
-  u16 thread_index;
-
   /* Scalar and vector arguments to next node. */
   u8 arguments[0];
 } vlib_frame_t;
diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index c4c06454228..0059b9bec9e 100644
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -216,24 +216,21 @@ always_inline vlib_frame_t *
 vlib_get_frame_no_check (vlib_main_t * vm, uword frame_index)
 {
   vlib_frame_t *f;
-  u32 thread_index = frame_index & VLIB_CPU_MASK;
-  u32 offset = frame_index & VLIB_OFFSET_MASK;
-  vm = vlib_mains[thread_index];
-  f = vm->heap_base + offset;
+  f = vm->heap_base + (frame_index * VLIB_FRAME_ALIGN);
   return f;
 }
 
 always_inline u32
 vlib_frame_index_no_check (vlib_main_t * vm, vlib_frame_t * f)
 {
-  u32 i;
+  uword i;
 
-  ASSERT (((uword) f & VLIB_CPU_MASK) == 0);
-
-  vm = vlib_mains[f->thread_index];
+  ASSERT (((uword) f & (VLIB_FRAME_ALIGN - 1)) == 0);
 
   i = ((u8 *) f - (u8 *) vm->heap_base);
-  return i | f->thread_index;
+  ASSERT ((i / VLIB_FRAME_ALIGN) <= 0xFFFFFFFFULL);
+
+  return i / VLIB_FRAME_ALIGN;
 }
 
 always_inline vlib_frame_t *