diff options
Diffstat (limited to 'src/vlib/buffer.h')
| -rw-r--r-- | src/vlib/buffer.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/src/vlib/buffer.h b/src/vlib/buffer.h index 18e2437d775..b20538b7f8c 100644 --- a/src/vlib/buffer.h +++ b/src/vlib/buffer.h @@ -388,12 +388,20 @@ typedef struct u32 free_list_index); } vlib_buffer_callbacks_t; +extern vlib_buffer_callbacks_t *vlib_buffer_callbacks; + typedef struct { + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + /* Virtual memory address and size of buffer memory, used for calculating + buffer index */ + uword buffer_mem_start; + uword buffer_mem_size; + /* Buffer free callback, for subversive activities */ - u32 (*buffer_free_callback) (struct vlib_main_t * vm, - u32 * buffers, - u32 n_buffers, u32 follow_buffer_next); + 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 @@ -417,12 +425,12 @@ typedef struct /* Callbacks */ vlib_buffer_callbacks_t cb; - int extern_buffer_mgmt; + int callbacks_registered; } vlib_buffer_main_t; +void vlib_buffer_add_mem_range (struct vlib_main_t *vm, uword start, + uword size); void vlib_buffer_cb_init (struct vlib_main_t *vm); -int vlib_buffer_cb_register (struct vlib_main_t *vm, - vlib_buffer_callbacks_t * cb); typedef struct { @@ -498,6 +506,18 @@ serialize_vlib_buffer_n_bytes (serialize_main_t * m) #endif /* included_vlib_buffer_h */ +#define VLIB_BUFFER_REGISTER_CALLBACKS(x,...) \ + __VA_ARGS__ vlib_buffer_callbacks_t __##x##_buffer_callbacks; \ +static void __vlib_add_buffer_callbacks_t_##x (void) \ + __attribute__((__constructor__)) ; \ +static void __vlib_add_buffer_callbacks_t_##x (void) \ +{ \ + if (vlib_buffer_callbacks) \ + clib_panic ("vlib buffer callbacks already registered"); \ + vlib_buffer_callbacks = &__##x##_buffer_callbacks; \ +} \ +__VA_ARGS__ vlib_buffer_callbacks_t __##x##_buffer_callbacks + /* * fd.io coding-style-patch-verification: ON * |