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authorDamjan Marion <damarion@cisco.com>2022-02-10 15:01:03 +0100
committerDamjan Marion <damarion@cisco.com>2022-02-10 19:12:50 +0100
commitefeea5b111db9075ffdab73191f6343f6872bfb2 (patch)
tree3cf2be9242aa0fb83499a769a8464e3d93df1748 /src/vlib/buffer_funcs.c
parentf5756175e6296939c3d580c2120306ba28bab91b (diff)
vlib: vlib frame bitmaps
Special bitmaps with VLIB_FRAME_SIZE bits. Type: improvement Change-Id: I48747e422e519e7b5e930fa720397459d3adbb8e Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/buffer_funcs.c')
-rw-r--r--src/vlib/buffer_funcs.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/src/vlib/buffer_funcs.c b/src/vlib/buffer_funcs.c
index a661370a141..32c2d1b8a2f 100644
--- a/src/vlib/buffer_funcs.c
+++ b/src/vlib/buffer_funcs.c
@@ -8,11 +8,11 @@
#include <vppinfra/vector/compress.h>
static_always_inline u32
-enqueue_one (vlib_main_t *vm, vlib_node_runtime_t *node, u64 *used_elt_bmp,
- u16 next_index, u32 *buffers, u16 *nexts, u32 n_buffers,
- u32 n_left, u32 *tmp)
+enqueue_one (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_frame_bitmap_t used_elt_bmp, u16 next_index, u32 *buffers,
+ u16 *nexts, u32 n_buffers, u32 n_left, u32 *tmp)
{
- u64 match_bmp[VLIB_FRAME_SIZE / 64];
+ vlib_frame_bitmap_t match_bmp;
vlib_frame_t *f;
u32 n_extracted, n_free;
u32 *to;
@@ -29,11 +29,8 @@ enqueue_one (vlib_main_t *vm, vlib_node_runtime_t *node, u64 *used_elt_bmp,
to = tmp;
clib_mask_compare_u16 (next_index, nexts, match_bmp, n_buffers);
-
n_extracted = clib_compress_u32 (to, buffers, match_bmp, n_buffers);
-
- for (int i = 0; i < ARRAY_LEN (match_bmp); i++)
- used_elt_bmp[i] |= match_bmp[i];
+ vlib_frame_bitmap_or (used_elt_bmp, match_bmp);
if (to != tmp)
{
@@ -77,7 +74,7 @@ CLIB_MULTIARCH_FN (vlib_buffer_enqueue_to_next_fn)
while (count >= VLIB_FRAME_SIZE)
{
- u64 used_elt_bmp[VLIB_FRAME_SIZE / 64] = {};
+ vlib_frame_bitmap_t used_elt_bmp = {};
n_left = VLIB_FRAME_SIZE;
u32 off = 0;
@@ -106,7 +103,7 @@ CLIB_MULTIARCH_FN (vlib_buffer_enqueue_to_next_fn)
if (count)
{
- u64 used_elt_bmp[VLIB_FRAME_SIZE / 64] = {};
+ vlib_frame_bitmap_t used_elt_bmp = {};
next_index = nexts[0];
n_left = count;
u32 off = 0;
@@ -208,8 +205,7 @@ vlib_buffer_enqueue_to_thread_inline (vlib_main_t *vm,
u32 n_packets, int drop_on_congestion)
{
u32 drop_list[VLIB_FRAME_SIZE], n_drop = 0;
- u64 used_elts[VLIB_FRAME_SIZE / 64] = {};
- u64 mask[VLIB_FRAME_SIZE / 64];
+ vlib_frame_bitmap_t mask, used_elts = {};
vlib_frame_queue_elt_t *hf = 0;
u16 thread_index;
u32 n_comp, off = 0, n_left = n_packets;
@@ -238,8 +234,7 @@ more:
if (n_left)
{
- for (int i = 0; i < ARRAY_LEN (used_elts); i++)
- used_elts[i] |= mask[i];
+ vlib_frame_bitmap_or (used_elts, mask);
while (PREDICT_FALSE (used_elts[off] == ~0))
{