HP Advanced Communications Controllers (ACC) Guia do Utilizador descarregar pdf (Página 109)

100

101

ZCOM Tables and Data Structures

Data Buffer Pool

Chapter 3 109

Free Buffer Header Structure (zfbh_type)

The buffer header contains information about the buffer as well as a

linkage to the next buffer. (zbhd_type). See Table 3-30 and Table 3-31.

Table 3-30 Free Buffer Header Structure (zfbh_type)

Field Name Field Description Field Type

Size

(Bytes)

BFFLAG System flags (length & status) uns.int 4

SPARE1 Reserved, not used int 4

QHEAD Pointer to next buffer on queue pointer 8

BFPREV Pointer to previous buffer on queue pointer 8

Table 3-31 Buffer Structure (zbhd_type)

Field Name Field Description Field Type

Size

(Bytes)

BFFLAG System flags (length & status) uns.int 4

BFLEN Buffer length in bytes (data portion) int 4

BFLINK Pointer to next buffer on queue pointer 8

BFDATA Pointer to 1st byte of data in buffer pointer 8

BFRESP Pointer to response record pointer 8

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 327 328

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