#include <vppinfra/cache.h>
-// Drop node for feature bitmaps
-// For features that just do a drop, or are not yet implemented.
-// Initial feature dispatch nodes don't need to set b0->error
-// in case of a possible drop because that will be done here.
-// The next node is always error-drop.
-
+/*
+ * Drop node for feature bitmaps
+ * For features that just do a drop, or are not yet implemented.
+ * Initial feature dispatch nodes don't need to set b0->error
+ * in case of a possible drop because that will be done here.
+ *The next node is always error-drop.
+ */
static vlib_node_registration_t feat_bitmap_drop_node;
_(NO_FWD, "L2 feature forwarding disabled") \
_(NYI, "L2 feature not implemented")
-typedef enum {
+typedef enum
+{
#define _(sym,str) FEAT_BITMAP_DROP_ERROR_##sym,
foreach_feat_bitmap_drop_error
#undef _
- FEAT_BITMAP_DROP_N_ERROR,
+ FEAT_BITMAP_DROP_N_ERROR,
} feat_bitmap_drop_error_t;
-static char * feat_bitmap_drop_error_strings[] = {
+static char *feat_bitmap_drop_error_strings[] = {
#define _(sym,string) string,
foreach_feat_bitmap_drop_error
#undef _
};
-typedef enum {
+typedef enum
+{
FEAT_BITMAP_DROP_NEXT_DROP,
FEAT_BITMAP_DROP_N_NEXT,
} feat_bitmap_drop_next_t;
-typedef struct {
+typedef struct
+{
u32 feature_bitmap;
} feat_bitmap_drop_trace_t;
/* packet trace format function */
-static u8 * format_feat_bitmap_drop_trace (u8 * s, va_list * args)
+static u8 *
+format_feat_bitmap_drop_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- feat_bitmap_drop_trace_t * t = va_arg (*args, feat_bitmap_drop_trace_t *);
-
- s = format (s, "feat_bitmap_drop: feature bitmap 0x%08x", t->feature_bitmap);
+ feat_bitmap_drop_trace_t *t = va_arg (*args, feat_bitmap_drop_trace_t *);
+
+ s =
+ format (s, "feat_bitmap_drop: feature bitmap 0x%08x", t->feature_bitmap);
return s;
}
static uword
feat_bitmap_drop_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
feat_bitmap_drop_next_t next_index;
from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors; /* number of packets to process */
+ n_left_from = frame->n_vectors; /* number of packets to process */
next_index = node->cached_next_index;
while (n_left_from > 0)
u32 n_left_to_next;
/* get space to enqueue frame to graph node "next_index" */
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
b0 = vlib_get_buffer (vm, bi0);
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- feat_bitmap_drop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->feature_bitmap = vnet_buffer(b0)->l2.feature_bitmap;
- }
-
- if (vnet_buffer(b0)->l2.feature_bitmap == 1) {
- // If we are executing the last feature, this is the
- // No forwarding catch-all
- b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NO_FWD];
- } else {
- b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NYI];
- }
- next0 = FEAT_BITMAP_DROP_NEXT_DROP;
-
- /* verify speculative enqueue, maybe switch current next frame */
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ feat_bitmap_drop_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->feature_bitmap = vnet_buffer (b0)->l2.feature_bitmap;
+ }
+
+ if (vnet_buffer (b0)->l2.feature_bitmap == 1)
+ {
+ /*
+ * If we are executing the last feature, this is the
+ * No forwarding catch-all
+ */
+ b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NO_FWD];
+ }
+ else
+ {
+ b0->error = node->errors[FEAT_BITMAP_DROP_ERROR_NYI];
+ }
+ next0 = FEAT_BITMAP_DROP_NEXT_DROP;
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
return frame->n_vectors;
}
-clib_error_t *feat_bitmap_drop_init (vlib_main_t *vm)
+clib_error_t *
+feat_bitmap_drop_init (vlib_main_t * vm)
{
return 0;
}
VLIB_INIT_FUNCTION (feat_bitmap_drop_init);
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (feat_bitmap_drop_node,static) = {
.function = feat_bitmap_drop_node_fn,
.name = "feature-bitmap-drop",
.vector_size = sizeof (u32),
.format_trace = format_feat_bitmap_drop_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
-
+
.n_errors = ARRAY_LEN(feat_bitmap_drop_error_strings),
.error_strings = feat_bitmap_drop_error_strings,
/* edit / add dispositions here */
.next_nodes = {
- [FEAT_BITMAP_DROP_NEXT_DROP] = "error-drop",
+ [FEAT_BITMAP_DROP_NEXT_DROP] = "error-drop",
},
};
+/* *INDENT-ON* */
-
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff