FD.io VPP
v20.01-48-g3e0dafb74
Vector Packet Processing
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Data Structures | |
struct | fifo_segment_slice_ |
struct | fifo_segment_header_t |
struct | fifo_segment_t |
struct | fifo_segment_main_t |
struct | fifo_segment_create_args_t |
Macros | |
#define | FIFO_SEGMENT_MIN_LOG2_FIFO_SIZE 12 |
4kB min fifo size More... | |
#define | FIFO_SEGMENT_MIN_FIFO_SIZE 4096 |
4kB min fifo size More... | |
#define | FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) |
2GB max fifo size More... | |
#define | FIFO_SEGMENT_ALLOC_BATCH_SIZE 32 /* Allocation quantum */ |
#define | fifo_segment_flags(_fs) _fs->h->flags |
Typedefs | |
typedef enum fifo_segment_flags_ | fifo_segment_flags_t |
typedef struct fifo_segment_slice_ | fifo_segment_slice_t |
Enumerations | |
enum | fifo_segment_ftype_t { FIFO_SEGMENT_FTYPE_NONE = -1, FIFO_SEGMENT_RX_FIFO = 0, FIFO_SEGMENT_TX_FIFO, FIFO_SEGMENT_N_FTYPES } |
enum | fifo_segment_flags_ { FIFO_SEGMENT_F_IS_PREALLOCATED = 1 << 0, FIFO_SEGMENT_F_WILL_DELETE = 1 << 1, FIFO_SEGMENT_F_MEM_LIMIT = 1 << 2 } |
Variables | |
format_function_t | format_fifo_segment |
format_function_t | format_fifo_segment_type |
#define FIFO_SEGMENT_ALLOC_BATCH_SIZE 32 /* Allocation quantum */ |
Definition at line 32 of file fifo_segment.h.
Definition at line 84 of file fifo_segment.h.
#define FIFO_SEGMENT_MAX_FIFO_SIZE (2 << 30) |
2GB max fifo size
Definition at line 31 of file fifo_segment.h.
#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096 |
4kB min fifo size
Definition at line 30 of file fifo_segment.h.
#define FIFO_SEGMENT_MIN_LOG2_FIFO_SIZE 12 |
4kB min fifo size
Definition at line 29 of file fifo_segment.h.
typedef enum fifo_segment_flags_ fifo_segment_flags_t |
typedef struct fifo_segment_slice_ fifo_segment_slice_t |
enum fifo_segment_flags_ |
Enumerator | |
---|---|
FIFO_SEGMENT_F_IS_PREALLOCATED | |
FIFO_SEGMENT_F_WILL_DELETE | |
FIFO_SEGMENT_F_MEM_LIMIT |
Definition at line 34 of file fifo_segment.h.
enum fifo_segment_ftype_t |
Enumerator | |
---|---|
FIFO_SEGMENT_FTYPE_NONE | |
FIFO_SEGMENT_RX_FIFO | |
FIFO_SEGMENT_TX_FIFO | |
FIFO_SEGMENT_N_FTYPES |
Definition at line 21 of file fifo_segment.h.
svm_fifo_t* fifo_segment_alloc_fifo_w_slice | ( | fifo_segment_t * | fs, |
u32 | slice_index, | ||
u32 | data_bytes, | ||
fifo_segment_ftype_t | ftype | ||
) |
Allocate fifo in fifo segment.
fs | fifo segment for fifo |
data_bytes | size of default fifo chunk in bytes |
ftype | fifo type fifo_segment_ftype_t |
Definition at line 487 of file fifo_segment.c.
int fifo_segment_attach | ( | fifo_segment_main_t * | sm, |
fifo_segment_create_args_t * | a | ||
) |
Attach as slave to a fifo segment.
Definition at line 179 of file fifo_segment.c.
int fifo_segment_collect_fifo_chunks | ( | fifo_segment_t * | fs, |
svm_fifo_t * | f | ||
) |
Collect unused chunks for fifo.
fs | fifo segment for fifo |
f | fifo whose chunks are to be collected |
Definition at line 804 of file fifo_segment.c.
int fifo_segment_create | ( | fifo_segment_main_t * | sm, |
fifo_segment_create_args_t * | a | ||
) |
Create a fifo segment and initialize as master.
Definition at line 145 of file fifo_segment.c.
void fifo_segment_delete | ( | fifo_segment_main_t * | sm, |
fifo_segment_t * | fs | ||
) |
uword fifo_segment_fl_chunk_bytes | ( | fifo_segment_t * | fs | ) |
Number of bytes on chunk free lists.
fs | fifo segment |
Definition at line 946 of file fifo_segment.c.
uword fifo_segment_free_bytes | ( | fifo_segment_t * | fs | ) |
Fifo segment estimate of number of free bytes.
Returns fifo segment's internal estimate of the number of free bytes. To force a synchronization between the segment and the underlying memory allocator, call fifo_segment_update_free_bytes
fs | fifo segment |
Definition at line 940 of file fifo_segment.c.
void fifo_segment_free_fifo | ( | fifo_segment_t * | fs, |
svm_fifo_t * | f | ||
) |
Free fifo allocated in fifo segment.
fs | fifo segment for fifo |
f | fifo to be freed |
Definition at line 538 of file fifo_segment.c.
fifo_segment_t* fifo_segment_get_segment | ( | fifo_segment_main_t * | sm, |
u32 | fs_index | ||
) |
Definition at line 223 of file fifo_segment.c.
svm_fifo_t* fifo_segment_get_slice_fifo_list | ( | fifo_segment_t * | fs, |
u32 | slice_index | ||
) |
Definition at line 979 of file fifo_segment.c.
int fifo_segment_grow_fifo | ( | fifo_segment_t * | fs, |
svm_fifo_t * | f, | ||
u32 | chunk_size | ||
) |
Grow fifo size by adding an additional chunk of memory.
fs | fifo segment for fifo |
f | fifo to be grown |
chunk_size | number of bytes to be added to fifo |
Definition at line 758 of file fifo_segment.c.
u8 fifo_segment_has_fifos | ( | fifo_segment_t * | fs | ) |
Definition at line 963 of file fifo_segment.c.
u32 fifo_segment_index | ( | fifo_segment_main_t * | sm, |
fifo_segment_t * | fs | ||
) |
Definition at line 217 of file fifo_segment.c.
void fifo_segment_info | ( | fifo_segment_t * | seg, |
char ** | address, | ||
size_t * | size | ||
) |
int fifo_segment_init | ( | fifo_segment_t * | fs | ) |
Initialize fifo segment shared header.
Definition at line 89 of file fifo_segment.c.
void fifo_segment_main_init | ( | fifo_segment_main_t * | sm, |
u64 | baseva, | ||
u32 | timeout_in_seconds | ||
) |
u32 fifo_segment_num_fifos | ( | fifo_segment_t * | fs | ) |
Get number of active fifos.
Definition at line 835 of file fifo_segment.c.
u32 fifo_segment_num_free_chunks | ( | fifo_segment_t * | fs, |
u32 | size | ||
) |
Find number of free chunks of given size.
fs | fifo segment |
size | chunk size of interest or ~0 if all should be counted |
Definition at line 918 of file fifo_segment.c.
u32 fifo_segment_num_free_fifos | ( | fifo_segment_t * | fs | ) |
Definition at line 859 of file fifo_segment.c.
int fifo_segment_prealloc_fifo_chunks | ( | fifo_segment_t * | fs, |
u32 | slice_index, | ||
u32 | chunk_size, | ||
u32 | batch_size | ||
) |
Try to preallocate fifo chunks on segment.
Tries to preallocate chunks of requested size on segment and adds them to chunk freelist.
fs | fifo segment |
chunk_size | size of chunks to be allocated in bytes |
batch_size | number of chunks to be allocated |
Definition at line 644 of file fifo_segment.c.
int fifo_segment_prealloc_fifo_hdrs | ( | fifo_segment_t * | fs, |
u32 | slice_index, | ||
u32 | batch_size | ||
) |
Try to preallocate fifo headers.
Tries to preallocate fifo headers and adds them to freelist.
fs | fifo segment |
batch_size | number of chunks to be allocated |
Definition at line 604 of file fifo_segment.c.
void fifo_segment_preallocate_fifo_pairs | ( | fifo_segment_t * | fs, |
u32 | rx_fifo_size, | ||
u32 | tx_fifo_size, | ||
u32 * | n_fifo_pairs | ||
) |
Pre-allocates fifo pairs in fifo segment.
The number of fifos pre-allocated is the minimum of the requested number of pairs and the maximum number that fit within the segment. If the maximum is hit, the number of fifo pairs requested is updated by subtracting the number of fifos that have been successfully allocated.
fs | fifo segment for fifo |
rx_fifo_size | data size of rx fifos |
tx_fifo_size | data size of tx fifos |
n_fifo_pairs | number of pairs requested. Prior to returning, this is decremented by the the number of pairs allocated. |
Definition at line 698 of file fifo_segment.c.
void fifo_segment_update_free_bytes | ( | fifo_segment_t * | fs | ) |
Update fifo segment free bytes estimate.
Forces fifo segment free bytes estimate synchronization with underlying memory allocator.
fs | fifo segment |
Definition at line 934 of file fifo_segment.c.
format_function_t format_fifo_segment |
Definition at line 227 of file fifo_segment.h.
format_function_t format_fifo_segment_type |
Definition at line 228 of file fifo_segment.h.