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authorDamjan Marion <damarion@cisco.com>2021-12-02 13:02:38 +0100
committerOle Tr�an <otroan@employees.org>2021-12-02 13:46:23 +0000
commitefd6de87d3268f1ab499799cefb2e8b32a613f79 (patch)
tree670d14aa4316031eb84ba101529ebc4e662ec2b7 /src/examples/sample-plugin
parent9ab2e5d8d711e678e914e4fb8d3d181f868acf3d (diff)
vppinfra: vector shuffle cleanup
Type: refactor Change-Id: I8b3fc2ce30df313467274a174c5ac6adbf296153 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/examples/sample-plugin')
-rw-r--r--src/examples/sample-plugin/sample/node.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/src/examples/sample-plugin/sample/node.c b/src/examples/sample-plugin/sample/node.c
index a31c3e86e08..a9d8b66d788 100644
--- a/src/examples/sample-plugin/sample/node.c
+++ b/src/examples/sample-plugin/sample/node.c
@@ -291,7 +291,6 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
sample_next_t next_index;
u32 pkts_swapped = 0;
/* Vector shuffle mask to swap src, dst */
- u8x16 swapmac = { 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12, 13, 14, 15 };
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
@@ -345,8 +344,10 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
src_dst0 = ((u8x16 *) en0)[0];
src_dst1 = ((u8x16 *) en1)[0];
- src_dst0 = u8x16_shuffle (src_dst0, swapmac);
- src_dst1 = u8x16_shuffle (src_dst1, swapmac);
+ src_dst0 = u8x16_shuffle (src_dst0, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3,
+ 4, 5, 12, 13, 14, 15);
+ src_dst1 = u8x16_shuffle (src_dst1, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3,
+ 4, 5, 12, 13, 14, 15);
((u8x16 *) en0)[0] = src_dst0;
((u8x16 *) en1)[0] = src_dst1;
@@ -418,7 +419,8 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
en0 = vlib_buffer_get_current (b0);
src_dst0 = ((u8x16 *) en0)[0];
- src_dst0 = u8x16_shuffle (src_dst0, swapmac);
+ src_dst0 = u8x16_shuffle (src_dst0, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3,
+ 4, 5, 12, 13, 14, 15);
((u8x16 *) en0)[0] = src_dst0;
sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
@@ -469,7 +471,6 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
#ifdef VERSION_3
-#define u8x16_shuffle __builtin_shuffle
/* This would normally be a stack local, but since it's a constant... */
static const u16 nexts[VLIB_FRAME_SIZE] = { 0 };
@@ -479,7 +480,6 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 n_left_from, *from;
u32 pkts_swapped = 0;
/* Vector shuffle mask to swap src, dst */
- u8x16 swapmac = { 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12, 13, 14, 15 };
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
/* See comment below about sending all pkts to the same place... */
u16 *next __attribute__ ((unused));
@@ -518,10 +518,14 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
src_dst2 = ((u8x16 *) vlib_buffer_get_current (b[2]))[0];
src_dst3 = ((u8x16 *) vlib_buffer_get_current (b[3]))[0];
- src_dst0 = u8x16_shuffle (src_dst0, swapmac);
- src_dst1 = u8x16_shuffle (src_dst1, swapmac);
- src_dst2 = u8x16_shuffle (src_dst2, swapmac);
- src_dst3 = u8x16_shuffle (src_dst3, swapmac);
+ src_dst0 = u8x16_shuffle (src_dst0, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5,
+ 12, 13, 14, 15);
+ src_dst1 = u8x16_shuffle (src_dst1, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5,
+ 12, 13, 14, 15);
+ src_dst2 = u8x16_shuffle (src_dst2, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5,
+ 12, 13, 14, 15);
+ src_dst3 = u8x16_shuffle (src_dst3, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5,
+ 12, 13, 14, 15);
((u8x16 *) vlib_buffer_get_current (b[0]))[0] = src_dst0;
((u8x16 *) vlib_buffer_get_current (b[1]))[0] = src_dst1;
@@ -552,7 +556,8 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u8x16 src_dst0;
src_dst0 = ((u8x16 *) vlib_buffer_get_current (b[0]))[0];
- src_dst0 = u8x16_shuffle (src_dst0, swapmac);
+ src_dst0 = u8x16_shuffle (src_dst0, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5,
+ 12, 13, 14, 15);
((u8x16 *) vlib_buffer_get_current (b[0]))[0] = src_dst0;
vnet_buffer (b[0])->sw_if_index[VLIB_TX] =
vnet_buffer (b[0])->sw_if_index[VLIB_RX];
@@ -611,18 +616,14 @@ VLIB_NODE_FN (sample_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
#ifdef VERSION_4
-#define u8x16_shuffle __builtin_shuffle
-
-static u8x16 swapmac =
- { 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12, 13, 14, 15 };
-
/* Final stage in the pipeline, do the mac swap */
static inline u32
last_stage (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
{
u8x16 src_dst0;
src_dst0 = ((u8x16 *) vlib_buffer_get_current (b))[0];
- src_dst0 = u8x16_shuffle (src_dst0, swapmac);
+ src_dst0 = u8x16_shuffle (src_dst0, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 12,
+ 13, 14, 15);
((u8x16 *) vlib_buffer_get_current (b))[0] = src_dst0;
vnet_buffer (b)->sw_if_index[VLIB_TX] =
vnet_buffer (b)->sw_if_index[VLIB_RX];