NETDEV_ALLOC_FRAG(9) Linux Networking NETDEV_ALLOC_FRAG(9)NAME
netdev_alloc_frag - allocate a page fragment
SYNOPSIS
void * netdev_alloc_frag(unsigned int fragsz);
ARGUMENTS
fragsz
fragment size
DESCRIPTION
Allocates a frag from a page for receive buffer. Uses GFP_ATOMIC allocations.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 NETDEV_ALLOC_FRAG(9)
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gd_endianness(3) GETDATA gd_endianness(3)NAME
gd_endianness -- report the byte sex of fields in a dirfile
SYNOPSIS
#include <getdata.h>
unsigned long gd_endianness(DIRFILE *dirfile, int fragment_index);
DESCRIPTION
The gd_endianness() function queries a dirfile(5) database specified by dirfile and returns the byte sex for the fragment indexed by frag-
ment_index. The byte sex of a fragment indicate the endianness of data stored in binary files associated with RAW fields defined in the
specified fragment. The endianness of a fragment containing no RAW fields is not meaningful.
The dirfile argument must point to a valid DIRFILE object previously created by a call to gd_open(3).
RETURN VALUE
Upon successful completion, gd_endianness() returns the byte sex of the specified fragment, which will be either GD_BIG_ENDIAN or GD_LIT-
TLE_ENDIAN, bitwise-or'd with either GD_ARM_ENDIAN or GD_NOT_ARM_ENDIAN, indicating whether double-precision floating point data in this
fragment are stored in the old ARM middle-endian format. On error, it returns zero and sets the dirfile error to a non-zero error value.
Possible error values are:
GD_E_BAD_DIRFILE
The supplied dirfile was invalid.
GD_E_BAD_INDEX
The supplied index was out of range.
The dirfile error may be retrieved by calling gd_error(3). A descriptive error string for the last error encountered can be obtained from
a call to gd_error_string(3).
SEE ALSO gd_alter_endianness(3), gd_getdata(3), gd_error(3), gd_error_string(3), gd_open(3), dirfile(5), dirfile-format(5)Version 0.7.0 17 July 2010 gd_endianness(3)
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