drivers_mem.h

Defines

LWIP_MEM_ACCOUNTING_TYPES_DEFINED

LWIP_MEM_ACCOUNTING_STATS_DEFINED

Typedefs

typedef void *(*mem_malloc_fn)(size_t size)

typedef void (*mem_free_fn)(void *ptr)

typedef void *(*mem_realloc_fn)(void *ptr, size_t size)

typedef void (*mem_pressure_cb)(struct mem_buffer *mb, size_t requested, enum mem_pressure_level level)

typedef void (*mem_global_pressure_cb)(enum mem_pressure_level level)

typedef size_t (*mem_drain_fn)(struct mem_buffer *mb, void *user, size_t budget)

Enums

enum mem_pressure_level

Values:

enumerator MEM_PRESSURE_NONE

enumerator MEM_PRESSURE_MILD

enumerator MEM_PRESSURE_HIGH

enumerator MEM_PRESSURE_SEVERE

enumerator MEM_PRESSURE_CRITICAL

enumerator MEM_PRESSURE_GLOBAL

enum mem_buffer_type

Values:

enumerator MEM_BUFFER_RING

enumerator MEM_BUFFER_POOL

enumerator MEM_BUFFER_FILE

Values:

enumerator MEM_FILE_MAX_SLOTS

enum mem_buffer_flags

Values:

enumerator BUFFER_SECURE_MODE

enumerator BUFFER_LOCK_SIZE

enumerator BUFFER_USER_ALLOC

enumerator BUFFER_LWIP_PBUF_POOL

enumerator BUFFER_RX_RING

enumerator BUFFER_SOCKET_RING

enumerator BUFFER_TLS_ALLOC

struct mem_file_slot

#include <drivers_mem.h>

Public Members

uint8_t *ptr

size_t size

struct mem_buffer

#include <drivers_mem.h>

Public Members

enum mem_buffer_type type

uint8_t *buf

size_t initial_size

size_t current_size

size_t max_size

uint8_t flags

enum mem_pressure_level last_pressure_level

size_t step

uint8_t grow_threshold_pct

uint8_t shrink_threshold_pct

uint16_t shrink_hold_count

uint16_t shrink_hold_base

uint16_t shrink_hold_next

uint8_t shrink_stage

uint16_t shrink_hits

mem_pressure_cb pressure_cb

struct mem_buffer *stats_next

size_t len

size_t head

mem_drain_fn drain_fn

void *drain_fn_data

struct mem_buffer ring

size_t pool_block_size

size_t pool_block_count

size_t pool_used_blocks

uint8_t *pool_bitmap

size_t pool_bitmap_bytes

struct mem_buffer pool

size_t used_bytes

size_t max_slots

struct mem_file_slot *slots

struct mem_buffer file

union mem_buffer u

struct mem_buffer_pool_cfg

#include <drivers_mem.h>

Public Members

size_t block_size

size_t block_count

size_t max_size

uint8_t flags

struct mem_accounting_stats

#include <drivers_mem.h>

Public Members

size_t total_heap

size_t pbuf_pool_size

size_t pbuf_pool_used

size_t heap_limit

size_t heap_used

size_t heap_free

size_t user_reserved

size_t tls_used

size_t tls_limit

size_t rx_ring_used

size_t rx_ring_size

size_t socket_ring_used

size_t socket_ring_size

enum mem_pressure_level pbuf_pressure

enum mem_pressure_level heap_pressure

enum mem_pressure_level effective_pressure