diff options
Diffstat (limited to 'src/lib/ssm/ssm.h.in')
| -rw-r--r-- | src/lib/ssm/ssm.h.in | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/lib/ssm/ssm.h.in b/src/lib/ssm/ssm.h.in index b9246c8b..57febae4 100644 --- a/src/lib/ssm/ssm.h.in +++ b/src/lib/ssm/ssm.h.in @@ -38,7 +38,6 @@ #define SSM_RBUFF_PREFIX "@SSM_RBUFF_PREFIX@" #define SSM_FLOW_SET_PREFIX "@SSM_FLOW_SET_PREFIX@" #define SSM_POOL_NAME "@SSM_POOL_NAME@" -#define SSM_POOL_BLOCKS @SSM_POOL_BLOCKS@ #define SSM_RBUFF_SIZE @SSM_RBUFF_SIZE@ /* Packet buffer space reservation */ @@ -84,6 +83,7 @@ /* Size class configuration */ #define SSM_POOL_MAX_CLASSES 9 #define SSM_POOL_SHARDS @SSM_POOL_SHARDS@ +#define SSM_POOL_RECLAIM_AGE_S @SSM_POOL_RECLAIM_AGE_S@ /* Internal structures - exposed for testing */ #ifdef __cplusplus @@ -126,6 +126,7 @@ struct ssm_pk_buff { uint32_t pk_head; /* Head offset into data */ uint32_t pk_tail; /* Tail offset into data */ uint32_t off; /* Block offset in pool */ + uint64_t alloc_ts; /* CLOCK_MONOTONIC ns at alloc */ uint8_t data[]; /* Packet data */ }; @@ -164,6 +165,24 @@ struct _ssm_pool_hdr { struct _ssm_size_class size_classes[SSM_POOL_MAX_CLASSES]; }; +#define SSM_PK_BUFF_TOTALSPACE (SSM_PK_BUFF_HEADSPACE + SSM_PK_BUFF_TAILSPACE) +static __inline__ int select_size_class(struct _ssm_pool_hdr * hdr, + size_t len) +{ + size_t sz; + int i; + + sz = sizeof(struct ssm_pk_buff) + SSM_PK_BUFF_TOTALSPACE + len; + + for (i = 0; i < SSM_POOL_MAX_CLASSES; i++) { + struct _ssm_size_class * sc = &hdr->size_classes[i]; + if (sc->object_size > 0 && sz <= sc->object_size) + return i; + } + + return -1; +} + #ifdef __cplusplus } #endif |