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-rw-r--r--src/vlib/buffer.h57
1 files changed, 27 insertions, 30 deletions
diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h
index bf09eb9863c..48988222de7 100644
--- a/src/vlib/buffer.h
+++ b/src/vlib/buffer.h
@@ -190,12 +190,6 @@ typedef struct
#define vlib_prefetch_buffer_header(b,type) CLIB_PREFETCH (b, 64, type)
-always_inline vlib_buffer_t *
-vlib_buffer_next_contiguous (vlib_buffer_t * b, u32 buffer_bytes)
-{
- return (void *) (b + 1) + buffer_bytes;
-}
-
always_inline void
vlib_buffer_struct_is_sane (vlib_buffer_t * b)
{
@@ -362,9 +356,8 @@ typedef struct vlib_buffer_free_list_t
/* Number of data bytes for buffers in this free list. */
u32 n_data_bytes;
- /* Number of buffers to allocate when we need to allocate new buffers
- from physmem heap. */
- u32 min_n_buffers_each_physmem_alloc;
+ /* Number of buffers to allocate when we need to allocate new buffers */
+ u32 min_n_buffers_each_alloc;
/* Total number of buffers allocated from this free list. */
u32 n_alloc;
@@ -372,16 +365,8 @@ typedef struct vlib_buffer_free_list_t
/* Vector of free buffers. Each element is a byte offset into I/O heap. */
u32 *buffers;
- /* global vector of free buffers, used only on main thread.
- Bufers are returned to global buffers only in case when number of
- buffers on free buffers list grows about threshold */
- u32 *global_buffers;
- clib_spinlock_t global_buffers_lock;
-
- /* Memory chunks allocated for this free list
- recorded here so they can be freed when free list
- is deleted. */
- void **buffer_memory_allocated;
+ /* index of buffer pool used to get / put buffers */
+ u8 buffer_pool_index;
/* Free list name. */
u8 *name;
@@ -431,8 +416,18 @@ typedef struct
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
uword start;
uword size;
+ uword log2_page_size;
vlib_physmem_region_index_t physmem_region;
- int alloc_chunk_size;
+
+ u32 *buffers;
+
+ u16 buffer_size;
+ uword buffers_per_page;
+ uword n_elts;
+ uword n_used;
+ uword next_clear;
+ uword *bitmap;
+ clib_spinlock_t lock;
} vlib_buffer_pool_t;
typedef struct
@@ -448,11 +443,6 @@ typedef struct
u32 (*buffer_free_callback) (struct vlib_main_t * vm,
u32 * buffers,
u32 n_buffers, u32 follow_buffer_next);
- /* Pool of buffer free lists.
- Multiple free lists exist for packet generator which uses
- separate free lists for each packet stream --- so as to avoid
- initializing static data for each packet generated. */
- vlib_buffer_free_list_t *buffer_free_list_pool;
#define VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX (0)
#define VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES VLIB_BUFFER_DATA_SIZE
@@ -467,16 +457,23 @@ typedef struct
uword *buffer_known_hash;
clib_spinlock_t buffer_known_hash_lockp;
- /* List of free-lists needing Blue Light Special announcements */
- vlib_buffer_free_list_t **announce_list;
-
/* Callbacks */
vlib_buffer_callbacks_t cb;
int callbacks_registered;
} vlib_buffer_main_t;
-u8 vlib_buffer_add_physmem_region (struct vlib_main_t *vm,
- vlib_physmem_region_index_t region);
+extern vlib_buffer_main_t buffer_main;
+
+static_always_inline vlib_buffer_pool_t *
+vlib_buffer_pool_get (u8 buffer_pool_index)
+{
+ vlib_buffer_main_t *bm = &buffer_main;
+ return vec_elt_at_index (bm->buffer_pools, buffer_pool_index);
+}
+
+u8 vlib_buffer_pool_create (struct vlib_main_t * vm,
+ vlib_physmem_region_index_t region,
+ u16 buffer_size);
clib_error_t *vlib_buffer_main_init (struct vlib_main_t *vm);