static void
ofpbuf_use__(struct ofpbuf *b, void *base, size_t allocated,
enum ofpbuf_source source)
{
ofpbuf_set_base(b, base);
ofpbuf_set_data(b, base);
ofpbuf_set_size(b, 0);
ofpbuf_init__(b, allocated, source);
}
static void
ofpbuf_use__(struct ofpbuf *b, void *base, size_t allocated,
enum ofpbuf_source source)
{
b->base = base;
b->data = base;
b->size = 0;
ofpbuf_init__(b, allocated, source);
}
/* Initializes 'b' as an empty ofpbuf that contains the 'allocated' bytes of
* memory starting at 'base'. DPDK allocated ofpbuf and *data is allocated
* from one continous memory region, so in memory data start right after
* ofpbuf. Therefore there is special method to free this type of
* buffer. ofpbuf base, data and size are initialized by dpdk rcv() so no
* need to initialize those fields. */
void
ofpbuf_init_dpdk(struct ofpbuf *b, size_t allocated)
{
ofpbuf_init__(b, allocated, OFPBUF_DPDK);
}
