static int
rtentry_zinit(void *mem, int size, int how)
{
struct rtentry *rt = mem;
rt->rt_pksent = counter_u64_alloc(how);
if (rt->rt_pksent == NULL)
return (ENOMEM);
RT_LOCK_INIT(rt);
return (0);
}
int
mp_ring_alloc(struct mp_ring **pr, int size, void *cookie, ring_drain_t drain,
ring_can_drain_t can_drain, struct malloc_type *mt, int flags)
{
struct mp_ring *r;
/* All idx are 16b so size can be 65536 at most */
if (pr == NULL || size < 2 || size > 65536 || drain == NULL ||
can_drain == NULL)
return (EINVAL);
*pr = NULL;
flags &= M_NOWAIT | M_WAITOK;
MPASS(flags != 0);
r = malloc(__offsetof(struct mp_ring, items[size]), mt, flags | M_ZERO);
if (r == NULL)
return (ENOMEM);
r->size = size;
r->cookie = cookie;
r->mt = mt;
r->drain = drain;
r->can_drain = can_drain;
r->enqueues = counter_u64_alloc(flags);
r->drops = counter_u64_alloc(flags);
r->starts = counter_u64_alloc(flags);
r->stalls = counter_u64_alloc(flags);
r->restarts = counter_u64_alloc(flags);
r->abdications = counter_u64_alloc(flags);
if (r->enqueues == NULL || r->drops == NULL || r->starts == NULL ||
r->stalls == NULL || r->restarts == NULL ||
r->abdications == NULL) {
mp_ring_free(r);
return (ENOMEM);
}
*pr = r;
return (0);
}
