/*
* The Packet secondary zone's init routine, executed on the
* object's transition from mbuf keg slab to zone cache.
*/
static int
mb_zinit_pack(void *mem, int size, int how)
{
struct mbuf *m;
m = (struct mbuf *)mem; /* m is virgin. */
if (uma_zalloc_arg(zone_clust, m, how) == NULL ||
m->m_ext.ext_buf == NULL)
return (ENOMEM);
m->m_ext.ext_type = EXT_PACKET; /* Override. */
#ifdef INVARIANTS
trash_init(m->m_ext.ext_buf, MCLBYTES, how);
#endif
return (0);
}
static int
nd_buf_import(void *arg, void **store, int count, int domain __unused,
int flags)
{
struct mbufq *q;
struct mbuf *m;
int i;
q = arg;
for (i = 0; i < count; i++) {
m = mbufq_dequeue(q);
if (m == NULL)
break;
trash_init(m, q == &nd_mbufq ? MSIZE : nd_clsize, flags);
store[i] = m;
}
return (i);
}
static int
nd_buf_import(void *arg, void **store, int count, int domain __unused,
int flags)
{
struct mbufq *q;
struct mbuf *m;
int i;
q = arg;
for (i = 0; i < count; i++) {
m = mbufq_dequeue(q);
if (m == NULL)
break;
trash_init(m, q == &nd_mbufq ? MSIZE : nd_clsize, flags);
store[i] = m;
}
KASSERT((flags & M_WAITOK) == 0 || i == count,
("%s: ran out of pre-allocated mbufs", __func__));
return (i);
}
