#include <rte_config.h>
#include <rte_mempool.h>
#include <rte_memory.h>
-#include <rte_atomic.h>
#include <rte_prefetch.h>
#include <rte_branch_prediction.h>
#include <rte_byteorder.h>
static inline uint16_t
rte_mbuf_refcnt_read(const struct rte_mbuf *m)
{
- return (uint16_t)(rte_atomic16_read(&m->refcnt_atomic));
+ return __atomic_load_n(&m->refcnt, __ATOMIC_RELAXED);
}
/**
static inline void
rte_mbuf_refcnt_set(struct rte_mbuf *m, uint16_t new_value)
{
- rte_atomic16_set(&m->refcnt_atomic, (int16_t)new_value);
+ __atomic_store_n(&m->refcnt, new_value, __ATOMIC_RELAXED);
}
/* internal */
static inline uint16_t
__rte_mbuf_refcnt_update(struct rte_mbuf *m, int16_t value)
{
- return (uint16_t)(rte_atomic16_add_return(&m->refcnt_atomic, value));
+ return __atomic_add_fetch(&m->refcnt, (uint16_t)value,
+ __ATOMIC_ACQ_REL);
}
/**
static inline uint16_t
rte_mbuf_ext_refcnt_read(const struct rte_mbuf_ext_shared_info *shinfo)
{
- return (uint16_t)(rte_atomic16_read(&shinfo->refcnt_atomic));
+ return __atomic_load_n(&shinfo->refcnt, __ATOMIC_RELAXED);
}
/**
rte_mbuf_ext_refcnt_set(struct rte_mbuf_ext_shared_info *shinfo,
uint16_t new_value)
{
- rte_atomic16_set(&shinfo->refcnt_atomic, (int16_t)new_value);
+ __atomic_store_n(&shinfo->refcnt, new_value, __ATOMIC_RELAXED);
}
/**
return (uint16_t)value;
}
- return (uint16_t)rte_atomic16_add_return(&shinfo->refcnt_atomic, value);
+ return __atomic_add_fetch(&shinfo->refcnt, (uint16_t)value,
+ __ATOMIC_ACQ_REL);
}
/** Mbuf prefetch */
* Direct usage of add primitive to avoid
* duplication of comparing with one.
*/
- if (likely(rte_atomic16_add_return
- (&shinfo->refcnt_atomic, -1)))
+ if (likely(__atomic_add_fetch(&shinfo->refcnt, (uint16_t)-1,
+ __ATOMIC_ACQ_REL)))
return 1;
/* Reinitialize counter before mbuf freeing. */
if (likely(rte_mbuf_refcnt_read(m) == 1)) {
if (!RTE_MBUF_DIRECT(m)) {
- if (!RTE_MBUF_HAS_EXTBUF(m) ||
- !RTE_MBUF_HAS_PINNED_EXTBUF(m))
- rte_pktmbuf_detach(m);
- else if (__rte_pktmbuf_pinned_extbuf_decref(m))
+ rte_pktmbuf_detach(m);
+ if (RTE_MBUF_HAS_EXTBUF(m) &&
+ RTE_MBUF_HAS_PINNED_EXTBUF(m) &&
+ __rte_pktmbuf_pinned_extbuf_decref(m))
return NULL;
}
} else if (__rte_mbuf_refcnt_update(m, -1) == 0) {
if (!RTE_MBUF_DIRECT(m)) {
- if (!RTE_MBUF_HAS_EXTBUF(m) ||
- !RTE_MBUF_HAS_PINNED_EXTBUF(m))
- rte_pktmbuf_detach(m);
- else if (__rte_pktmbuf_pinned_extbuf_decref(m))
+ rte_pktmbuf_detach(m);
+ if (RTE_MBUF_HAS_EXTBUF(m) &&
+ RTE_MBUF_HAS_PINNED_EXTBUF(m) &&
+ __rte_pktmbuf_pinned_extbuf_decref(m))
return NULL;
}