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vlib: introduce vlib frame aux data

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Type: improvement
Change-Id: I53890a13210cfb0d2b2d9d8cfd9b15118d3bb273
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2021-12-23 17:05:02 +01:00
committed by Dave Barach
parent 65409fb341
commit b32bd70c1e
6 changed files with 122 additions and 117 deletions
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25
src/vlib/node.h
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@@ -149,7 +149,7 @@ typedef struct _vlib_node_registration
u8 protocol_hint;
/* Size of scalar and vector arguments in bytes. */
u16 scalar_size, vector_size;
u8 scalar_size, vector_size, aux_size;
/* Number of error codes used by this node. */
u16 n_errors;
@@ -309,7 +309,8 @@ typedef struct vlib_node_t
u16 n_errors;
/* Size of scalar and vector arguments in bytes. */
u16 scalar_size, vector_size;
u16 frame_size, scalar_offset, vector_offset, magic_offset, aux_offset;
u16 frame_size_index;
/* Handle/index in error heap for this node. */
u32 error_heap_handle;
@@ -367,7 +368,10 @@ 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 CLIB_CACHE_LINE_BYTES
/* Number of extra elements allocated at the end of vecttor. */
#define VLIB_FRAME_SIZE_EXTRA 4
/* Frame data alignment */
#define VLIB_FRAME_DATA_ALIGN 16
/* Calling frame (think stack frame) for a node. */
typedef struct vlib_frame_t
@@ -378,11 +382,8 @@ typedef struct vlib_frame_t
/* User flags. Used for sending hints to the next node. */
u16 flags;
/* Number of scalar bytes in arguments. */
u8 scalar_size;
/* Number of bytes per vector argument. */
u8 vector_size;
/* Scalar, vector and aux offsets in this frame. */
u16 scalar_offset, vector_offset, aux_offset;
/* Number of vector elements currently in frame. */
u16 n_vectors;
@@ -521,10 +522,15 @@ typedef struct
/* Number of allocated frames for this scalar/vector size. */
u32 n_alloc_frames;
/* Frame size */
u16 frame_size;
/* Vector of free frames for this scalar/vector size. */
vlib_frame_t **free_frames;
} vlib_frame_size_t;
STATIC_ASSERT_SIZEOF (vlib_frame_size_t, 16);
typedef struct
{
/* Users opaque value for event type. */
@@ -721,9 +727,6 @@ typedef struct
/* Current counts of nodes in each state. */
u32 input_node_counts_by_state[VLIB_N_NODE_STATE];
/* Hash of (scalar_size,vector_size) to frame_sizes index. */
uword *frame_size_hash;
/* Per-size frame allocation information. */
vlib_frame_size_t *frame_sizes;