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session: api to add new transport types
[vpp.git]
/
src
/
vnet
/
session
/
segment_manager.h
diff --git
a/src/vnet/session/segment_manager.h
b/src/vnet/session/segment_manager.h
index
4f30b7a
..
cd02d54
100644
(file)
--- a/
src/vnet/session/segment_manager.h
+++ b/
src/vnet/session/segment_manager.h
@@
-19,20
+19,26
@@
#include <vppinfra/lock.h>
#include <vppinfra/valloc.h>
#include <svm/fifo_segment.h>
#include <vppinfra/lock.h>
#include <vppinfra/valloc.h>
#include <svm/fifo_segment.h>
+#include <vnet/session/session_types.h>
typedef struct _segment_manager_props
{
u32 rx_fifo_size; /**< receive fifo size */
u32 tx_fifo_size; /**< transmit fifo size */
u32 evt_q_size; /**< event queue length */
typedef struct _segment_manager_props
{
u32 rx_fifo_size; /**< receive fifo size */
u32 tx_fifo_size; /**< transmit fifo size */
u32 evt_q_size; /**< event queue length */
- u32 segment_size; /**< first segment size */
u32 prealloc_fifos; /**< preallocated fifo pairs */
u32 prealloc_fifos; /**< preallocated fifo pairs */
- u32 add_segment_size; /**< additional segment size */
+ uword segment_size; /**< first segment size */
+ uword add_segment_size; /**< additional segment size */
u8 add_segment:1; /**< can add new segments flag */
u8 use_mq_eventfd:1; /**< use eventfds for mqs flag */
u8 reserved:6; /**< reserved flags */
u8 add_segment:1; /**< can add new segments flag */
u8 use_mq_eventfd:1; /**< use eventfds for mqs flag */
u8 reserved:6; /**< reserved flags */
+ u8 n_slices; /**< number of fs slices/threads */
ssvm_segment_type_t segment_type; /**< seg type: if set to SSVM_N_TYPES,
private segments are used */
ssvm_segment_type_t segment_type; /**< seg type: if set to SSVM_N_TYPES,
private segments are used */
+ u32 max_fifo_size; /**< max fifo size */
+ u8 high_watermark; /**< memory usage high watermark % */
+ u8 low_watermark; /**< memory usage low watermark % */
+ u8 pct_first_alloc; /**< pct of fifo size to alloc */
} segment_manager_props_t;
typedef struct _segment_manager
} segment_manager_props_t;
typedef struct _segment_manager
@@
-57,6
+63,10
@@
typedef struct _segment_manager
* App event queue allocated in first segment
*/
svm_msg_q_t *event_queue;
* App event queue allocated in first segment
*/
svm_msg_q_t *event_queue;
+
+ u32 max_fifo_size;
+ u8 high_watermark;
+ u8 low_watermark;
} segment_manager_t;
typedef struct segment_manager_main_init_args_
} segment_manager_t;
typedef struct segment_manager_main_init_args_
@@
-68,8
+78,7
@@
typedef struct segment_manager_main_init_args_
#define SEGMENT_MANAGER_INVALID_APP_INDEX ((u32) ~0)
segment_manager_t *segment_manager_alloc (void);
#define SEGMENT_MANAGER_INVALID_APP_INDEX ((u32) ~0)
segment_manager_t *segment_manager_alloc (void);
-int segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
- u32 prealloc_fifo_pairs);
+int segment_manager_init (segment_manager_t * sm);
/**
* Cleanup segment manager
/**
* Cleanup segment manager
@@
-88,13
+97,13
@@
segment_manager_t *segment_manager_get (u32 index);
segment_manager_t *segment_manager_get_if_valid (u32 index);
u32 segment_manager_index (segment_manager_t * sm);
segment_manager_t *segment_manager_get_if_valid (u32 index);
u32 segment_manager_index (segment_manager_t * sm);
-int segment_manager_add_segment (segment_manager_t * sm, u
32
segment_size);
+int segment_manager_add_segment (segment_manager_t * sm, u
word
segment_size);
void segment_manager_del_segment (segment_manager_t * sm,
fifo_segment_t * fs);
fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,
u32 segment_index);
fifo_segment_t *segment_manager_get_segment_w_handle (u64 sh);
void segment_manager_del_segment (segment_manager_t * sm,
fifo_segment_t * fs);
fifo_segment_t *segment_manager_get_segment (segment_manager_t * sm,
u32 segment_index);
fifo_segment_t *segment_manager_get_segment_w_handle (u64 sh);
-fifo_segment_t *segment_manager_get_segment_w_lock (segment_manager_t *,
+fifo_segment_t *segment_manager_get_segment_w_lock (segment_manager_t *
sm
,
u32 segment_index);
int segment_manager_add_first_segment (segment_manager_t * sm,
u32 segment_size);
u32 segment_index);
int segment_manager_add_first_segment (segment_manager_t * sm,
u32 segment_size);
@@
-106,14
+115,20
@@
void segment_manager_segment_reader_unlock (segment_manager_t * sm);
void segment_manager_segment_writer_unlock (segment_manager_t * sm);
int segment_manager_alloc_session_fifos (segment_manager_t * sm,
void segment_manager_segment_writer_unlock (segment_manager_t * sm);
int segment_manager_alloc_session_fifos (segment_manager_t * sm,
+ u32 thread_index,
svm_fifo_t ** rx_fifo,
svm_fifo_t ** tx_fifo);
int segment_manager_try_alloc_fifos (fifo_segment_t * fs,
svm_fifo_t ** rx_fifo,
svm_fifo_t ** tx_fifo);
int segment_manager_try_alloc_fifos (fifo_segment_t * fs,
+ u32 thread_index,
u32 rx_fifo_size, u32 tx_fifo_size,
svm_fifo_t ** rx_fifo,
svm_fifo_t ** tx_fifo);
void segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo,
svm_fifo_t * tx_fifo);
u32 rx_fifo_size, u32 tx_fifo_size,
svm_fifo_t ** rx_fifo,
svm_fifo_t ** tx_fifo);
void segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo,
svm_fifo_t * tx_fifo);
+
+void segment_manager_set_watermarks (segment_manager_t * sm,
+ u8 high_watermark, u8 low_watermark);
+
u8 segment_manager_has_fifos (segment_manager_t * sm);
svm_msg_q_t *segment_manager_alloc_queue (fifo_segment_t * fs,
u8 segment_manager_has_fifos (segment_manager_t * sm);
svm_msg_q_t *segment_manager_alloc_queue (fifo_segment_t * fs,