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Vector Packet Processing
svm_fifo.h File Reference
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Data Structures

struct  ooo_segment_t
 Out-of-order segment. More...
 
struct  svm_fifo_trace_elem_t
 

Macros

#define SVM_FIFO_TRACE   (0)
 
#define OOO_SEGMENT_INVALID_INDEX   ((u32)~0)
 
#define svm_fifo_trace_add(_f, _s, _l, _t)
 

Typedefs

typedef struct _svm_fifo svm_fifo_t
 

Functions

u8svm_fifo_dump_trace (u8 *s, svm_fifo_t *f)
 
u8svm_fifo_replay (u8 *s, svm_fifo_t *f, u8 no_read, u8 verbose)
 
static u32 svm_fifo_max_dequeue (svm_fifo_t *f)
 
static u32 svm_fifo_max_enqueue (svm_fifo_t *f)
 
static u8 svm_fifo_has_ooo_data (svm_fifo_t *f)
 
static u8 svm_fifo_set_event (svm_fifo_t *f)
 Sets fifo event flag. More...
 
static void svm_fifo_unset_event (svm_fifo_t *f)
 Unsets fifo event flag. More...
 
svm_fifo_tsvm_fifo_create (u32 data_size_in_bytes)
 create an svm fifo, in the current heap. More...
 
void svm_fifo_free (svm_fifo_t *f)
 
int svm_fifo_enqueue_nowait (svm_fifo_t *f, u32 max_bytes, u8 *copy_from_here)
 
int svm_fifo_enqueue_with_offset (svm_fifo_t *f, u32 offset, u32 required_bytes, u8 *copy_from_here)
 
int svm_fifo_dequeue_nowait (svm_fifo_t *f, u32 max_bytes, u8 *copy_here)
 
int svm_fifo_peek (svm_fifo_t *f, u32 offset, u32 max_bytes, u8 *copy_here)
 
int svm_fifo_dequeue_drop (svm_fifo_t *f, u32 max_bytes)
 
u32 svm_fifo_number_ooo_segments (svm_fifo_t *f)
 
ooo_segment_tsvm_fifo_first_ooo_segment (svm_fifo_t *f)
 
void svm_fifo_init_pointers (svm_fifo_t *f, u32 pointer)
 Set fifo pointers to requested offset. More...
 
static ooo_segment_tsvm_fifo_newest_ooo_segment (svm_fifo_t *f)
 
static void svm_fifo_newest_ooo_segment_reset (svm_fifo_t *f)
 
static u32 ooo_segment_distance_from_tail (svm_fifo_t *f, u32 pos)
 
static u32 ooo_segment_distance_to_tail (svm_fifo_t *f, u32 pos)
 
static u32 ooo_segment_offset (svm_fifo_t *f, ooo_segment_t *s)
 
static u32 ooo_segment_end_offset (svm_fifo_t *f, ooo_segment_t *s)
 
static u32 ooo_segment_length (svm_fifo_t *f, ooo_segment_t *s)
 
static ooo_segment_tooo_segment_get_prev (svm_fifo_t *f, ooo_segment_t *s)
 
static ooo_segment_tooo_segment_next (svm_fifo_t *f, ooo_segment_t *s)
 

Variables

format_function_t format_ooo_segment
 
format_function_t format_ooo_list
 
format_function_t format_svm_fifo
 

Macro Definition Documentation

#define OOO_SEGMENT_INVALID_INDEX   ((u32)~0)

Definition at line 40 of file svm_fifo.h.

#define SVM_FIFO_TRACE   (0)

Definition at line 39 of file svm_fifo.h.

#define svm_fifo_trace_add (   _f,
  _s,
  _l,
  _t 
)

Definition at line 93 of file svm_fifo.h.

Typedef Documentation

typedef struct _svm_fifo svm_fifo_t

Function Documentation

static u32 ooo_segment_distance_from_tail ( svm_fifo_t f,
u32  pos 
)
inlinestatic

Definition at line 171 of file svm_fifo.h.

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static u32 ooo_segment_distance_to_tail ( svm_fifo_t f,
u32  pos 
)
inlinestatic

Definition at line 181 of file svm_fifo.h.

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static u32 ooo_segment_end_offset ( svm_fifo_t f,
ooo_segment_t s 
)
inlinestatic

Definition at line 193 of file svm_fifo.h.

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static ooo_segment_t* ooo_segment_get_prev ( svm_fifo_t f,
ooo_segment_t s 
)
inlinestatic

Definition at line 205 of file svm_fifo.h.

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static u32 ooo_segment_length ( svm_fifo_t f,
ooo_segment_t s 
)
inlinestatic

Definition at line 199 of file svm_fifo.h.

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static ooo_segment_t* ooo_segment_next ( svm_fifo_t f,
ooo_segment_t s 
)
inlinestatic

Definition at line 213 of file svm_fifo.h.

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static u32 ooo_segment_offset ( svm_fifo_t f,
ooo_segment_t s 
)
inlinestatic

Definition at line 187 of file svm_fifo.h.

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svm_fifo_t* svm_fifo_create ( u32  data_size_in_bytes)

create an svm fifo, in the current heap.

Fails vs blow up the process

Definition at line 194 of file svm_fifo.c.

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int svm_fifo_dequeue_drop ( svm_fifo_t f,
u32  max_bytes 
)

Definition at line 772 of file svm_fifo.c.

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int svm_fifo_dequeue_nowait ( svm_fifo_t f,
u32  max_bytes,
u8 copy_here 
)

Definition at line 690 of file svm_fifo.c.

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u8* svm_fifo_dump_trace ( u8 s,
svm_fifo_t f 
)

Definition at line 66 of file svm_fifo.c.

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int svm_fifo_enqueue_nowait ( svm_fifo_t f,
u32  max_bytes,
u8 copy_from_here 
)

Definition at line 533 of file svm_fifo.c.

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int svm_fifo_enqueue_with_offset ( svm_fifo_t f,
u32  offset,
u32  required_bytes,
u8 copy_from_here 
)

Definition at line 608 of file svm_fifo.c.

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ooo_segment_t* svm_fifo_first_ooo_segment ( svm_fifo_t f)

Definition at line 818 of file svm_fifo.c.

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void svm_fifo_free ( svm_fifo_t f)

Definition at line 214 of file svm_fifo.c.

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static u8 svm_fifo_has_ooo_data ( svm_fifo_t f)
inlinestatic

Definition at line 112 of file svm_fifo.h.

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void svm_fifo_init_pointers ( svm_fifo_t f,
u32  pointer 
)

Set fifo pointers to requested offset.

Definition at line 827 of file svm_fifo.c.

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static u32 svm_fifo_max_dequeue ( svm_fifo_t f)
inlinestatic

Definition at line 100 of file svm_fifo.h.

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static u32 svm_fifo_max_enqueue ( svm_fifo_t f)
inlinestatic

Definition at line 106 of file svm_fifo.h.

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static ooo_segment_t* svm_fifo_newest_ooo_segment ( svm_fifo_t f)
inlinestatic

Definition at line 157 of file svm_fifo.h.

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static void svm_fifo_newest_ooo_segment_reset ( svm_fifo_t f)
inlinestatic

Definition at line 165 of file svm_fifo.h.

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u32 svm_fifo_number_ooo_segments ( svm_fifo_t f)

Definition at line 812 of file svm_fifo.c.

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int svm_fifo_peek ( svm_fifo_t f,
u32  offset,
u32  max_bytes,
u8 copy_here 
)

Definition at line 756 of file svm_fifo.c.

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u8* svm_fifo_replay ( u8 s,
svm_fifo_t f,
u8  no_read,
u8  verbose 
)

Definition at line 90 of file svm_fifo.c.

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static u8 svm_fifo_set_event ( svm_fifo_t f)
inlinestatic

Sets fifo event flag.

Returns
1 if flag was not set.

Definition at line 123 of file svm_fifo.h.

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static void svm_fifo_unset_event ( svm_fifo_t f)
inlinestatic

Unsets fifo event flag.

Definition at line 133 of file svm_fifo.h.

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Variable Documentation

format_function_t format_ooo_list

Definition at line 37 of file svm_fifo.h.

format_function_t format_ooo_segment

Definition at line 36 of file svm_fifo.h.

format_function_t format_svm_fifo

Definition at line 154 of file svm_fifo.h.