u32 tx_fifo_size; /**< transmit fifo size */
u32 evt_q_size; /**< event queue length */
u32 prealloc_fifos; /**< preallocated fifo pairs */
+ u32 prealloc_fifo_hdrs; /**< preallocated fifo hdrs */
uword segment_size; /**< first segment size */
uword add_segment_size; /**< additional segment size */
u8 add_segment:1; /**< can add new segments flag */
u8 pct_first_alloc; /**< pct of fifo size to alloc */
} segment_manager_props_t;
+typedef enum seg_manager_flag_
+{
+ SEG_MANAGER_F_DETACHED = 1 << 0,
+ SEG_MANAGER_F_DETACHED_LISTENER = 1 << 1,
+} seg_manager_flag_t;
+
typedef struct _segment_manager
{
/** Pool of segments allocated by this manager */
*/
svm_msg_q_t *event_queue;
+ u8 flags;
+
u32 max_fifo_size;
u8 high_watermark;
u8 low_watermark;
segment_manager_t *segment_manager_alloc (void);
int segment_manager_init (segment_manager_t * sm);
+int segment_manager_init_first (segment_manager_t * sm);
/**
* Cleanup segment manager
int segment_manager_add_segment (segment_manager_t * sm, uword segment_size);
void segment_manager_del_segment (segment_manager_t * sm,
fifo_segment_t * fs);
+void segment_manager_lock_and_del_segment (segment_manager_t * sm,
+ u32 fs_index);
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);
segment_manager_props_t *segment_manager_props_init (segment_manager_props_t *
sm);
+static inline void
+segment_manager_parse_segment_handle (u64 segment_handle, u32 * sm_index,
+ u32 * segment_index)
+{
+ *sm_index = segment_handle >> 32;
+ *segment_index = segment_handle & 0xFFFFFFFF;
+}
+
#endif /* SRC_VNET_SESSION_SEGMENT_MANAGER_H_ */
/*
* fd.io coding-style-patch-verification: ON