X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fsvm%2Fsvm_fifo_segment.h;h=405df934578424e3b40bb0959b99ef0795eb74ee;hb=9b95425de61d9f1c4b8bb7490b1250ac03fd8243;hp=a7a3f469babf3f7b89fdf798ab014090877eeb7a;hpb=2c25a62cc1cc4937165de740a3b32d78429c72d6;p=vpp.git diff --git a/src/svm/svm_fifo_segment.h b/src/svm/svm_fifo_segment.h index a7a3f469bab..405df934578 100644 --- a/src/svm/svm_fifo_segment.h +++ b/src/svm/svm_fifo_segment.h @@ -15,8 +15,8 @@ #ifndef __included_ssvm_fifo_segment_h__ #define __included_ssvm_fifo_segment_h__ -#include #include +#include #include typedef enum @@ -27,11 +27,21 @@ typedef enum FIFO_SEGMENT_N_FREELISTS } svm_fifo_segment_freelist_t; +#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096 +#define FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20) /* 8mb max fifo size */ +#define FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32 /* Allocation quantum */ + +#define FIFO_SEGMENT_F_IS_PRIVATE 1 << 0 /* Private segment */ +#define FIFO_SEGMENT_F_IS_MAIN_HEAP 1 << 1 /* Segment is main heap */ +#define FIFO_SEGMENT_F_IS_PREALLOCATED 1 << 2 /* Segment is preallocated */ + typedef struct { svm_fifo_t *fifos; /**< Linked list of active RX fifos */ u8 *segment_name; /**< Segment name */ - svm_fifo_t *free_fifos[FIFO_SEGMENT_N_FREELISTS]; /**< Free lists */ + svm_fifo_t **free_fifos; /**< Freelists, by fifo size */ + u32 n_active_fifos; /**< Number of active fifos */ + u8 flags; /**< Segment flags */ } svm_fifo_segment_header_t; typedef struct @@ -62,11 +72,10 @@ typedef struct u32 tx_fifo_size; u32 preallocated_fifo_pairs; u32 private_segment_count; - u32 private_segment_size; } svm_fifo_segment_create_args_t; static inline svm_fifo_segment_private_t * -svm_fifo_get_segment (u32 segment_index) +svm_fifo_segment_get_segment (u32 segment_index) { svm_fifo_segment_main_t *ssm = &svm_fifo_segment_main; return vec_elt_at_index (ssm->segments, segment_index); @@ -108,6 +117,12 @@ void svm_fifo_segment_free_fifo (svm_fifo_segment_private_t * s, svm_fifo_segment_freelist_t index); void svm_fifo_segment_init (u64 baseva, u32 timeout_in_seconds); u32 svm_fifo_segment_index (svm_fifo_segment_private_t * s); +u32 svm_fifo_segment_num_fifos (svm_fifo_segment_private_t * fifo_segment); +u32 svm_fifo_segment_num_free_fifos (svm_fifo_segment_private_t * + fifo_segment, u32 fifo_size_in_bytes); + +svm_fifo_segment_private_t *svm_fifo_segment_segments_pool (void); +format_function_t format_svm_fifo_segment; #endif /* __included_ssvm_fifo_segment_h__ */