vlib: introduce user flags in vlib_frame_t
Those flags have local significance and they can be used for
sending hints to the next node.
Change-Id: Ic2596ee81c64cd16f96344365370e8fcdc465354
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vlib/main.c b/src/vlib/main.c
index 6783068..6259943 100644
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -153,7 +153,7 @@
*magic = VLIB_FRAME_MAGIC;
}
- f->flags = VLIB_FRAME_IS_ALLOCATED | frame_flags;
+ f->frame_flags = VLIB_FRAME_IS_ALLOCATED | frame_flags;
f->n_vectors = 0;
f->scalar_size = scalar_size;
f->vector_size = vector_size;
@@ -200,7 +200,7 @@
vec_add2 (vm->node_main.pending_frames, p, 1);
- f->flags |= VLIB_FRAME_PENDING;
+ f->frame_flags |= VLIB_FRAME_PENDING;
p->frame_index = vlib_frame_index (vm, f);
p->node_runtime_index = to_node->runtime_index;
p->next_frame_index = VLIB_PENDING_FRAME_NO_NEXT_FRAME;
@@ -215,14 +215,14 @@
vlib_frame_size_t *fs;
u32 frame_index;
- ASSERT (f->flags & VLIB_FRAME_IS_ALLOCATED);
+ ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED);
node = vlib_get_node (vm, r->node_index);
fs = get_frame_size_info (nm, node->scalar_size, node->vector_size);
frame_index = vlib_frame_index (vm, f);
- ASSERT (f->flags & VLIB_FRAME_IS_ALLOCATED);
+ ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED);
/* No next frames may point to freed frame. */
if (CLIB_DEBUG > 0)
@@ -232,7 +232,7 @@
ASSERT (nf->frame_index != frame_index);
}
- f->flags &= ~VLIB_FRAME_IS_ALLOCATED;
+ f->frame_flags &= ~VLIB_FRAME_IS_ALLOCATED;
vec_add1 (fs->free_frame_indices, frame_index);
ASSERT (fs->n_alloc_frames > 0);
@@ -378,7 +378,8 @@
/* Has frame been removed from pending vector (e.g. finished dispatching)?
If so we can reuse frame. */
- if ((nf->flags & VLIB_FRAME_PENDING) && !(f->flags & VLIB_FRAME_PENDING))
+ if ((nf->flags & VLIB_FRAME_PENDING)
+ && !(f->frame_flags & VLIB_FRAME_PENDING))
{
nf->flags &= ~VLIB_FRAME_PENDING;
f->n_vectors = 0;
@@ -393,7 +394,7 @@
if (!(nf->flags & VLIB_FRAME_NO_FREE_AFTER_DISPATCH))
{
vlib_frame_t *f_old = vlib_get_frame (vm, nf->frame_index);
- f_old->flags |= VLIB_FRAME_FREE_AFTER_DISPATCH;
+ f_old->frame_flags |= VLIB_FRAME_FREE_AFTER_DISPATCH;
}
/* Allocate new frame to replace full one. */
@@ -488,7 +489,7 @@
r->cached_next_index = next_index;
- if (!(f->flags & VLIB_FRAME_PENDING))
+ if (!(f->frame_flags & VLIB_FRAME_PENDING))
{
__attribute__ ((unused)) vlib_node_t *node;
vlib_node_t *next_node;
@@ -504,7 +505,7 @@
p->node_runtime_index = nf->node_runtime_index;
p->next_frame_index = nf - nm->next_frames;
nf->flags |= VLIB_FRAME_PENDING;
- f->flags |= VLIB_FRAME_PENDING;
+ f->frame_flags |= VLIB_FRAME_PENDING;
/*
* If we're going to dispatch this frame on another thread,
@@ -1105,13 +1106,13 @@
{
/* No next frame: so use dummy on stack. */
nf = &nf_dummy;
- nf->flags = f->flags & VLIB_NODE_FLAG_TRACE;
+ nf->flags = f->frame_flags & VLIB_NODE_FLAG_TRACE;
nf->frame_index = ~p->frame_index;
}
else
nf = vec_elt_at_index (nm->next_frames, p->next_frame_index);
- ASSERT (f->flags & VLIB_FRAME_IS_ALLOCATED);
+ ASSERT (f->frame_flags & VLIB_FRAME_IS_ALLOCATED);
/* Force allocation of new frame while current frame is being
dispatched. */
@@ -1125,7 +1126,7 @@
}
/* Frame must be pending. */
- ASSERT (f->flags & VLIB_FRAME_PENDING);
+ ASSERT (f->frame_flags & VLIB_FRAME_PENDING);
ASSERT (f->n_vectors > 0);
/* Copy trace flag from next frame to node.
@@ -1140,7 +1141,7 @@
VLIB_NODE_STATE_POLLING,
f, last_time_stamp);
- f->flags &= ~VLIB_FRAME_PENDING;
+ f->frame_flags &= ~VLIB_FRAME_PENDING;
/* Frame is ready to be used again, so restore it. */
if (restore_frame_index != ~0)
@@ -1155,7 +1156,7 @@
* longer part of the queue for that node and hence it cannot be
* it's overspill.
*/
- ASSERT (!(f->flags & VLIB_FRAME_FREE_AFTER_DISPATCH));
+ ASSERT (!(f->frame_flags & VLIB_FRAME_FREE_AFTER_DISPATCH));
/*
* NB: dispatching node n can result in the creation and scheduling
@@ -1187,7 +1188,7 @@
}
else
{
- if (f->flags & VLIB_FRAME_FREE_AFTER_DISPATCH)
+ if (f->frame_flags & VLIB_FRAME_FREE_AFTER_DISPATCH)
{
ASSERT (!(n->flags & VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH));
vlib_frame_free (vm, n, f);