mbuf: remove build option to disable refcnt

[dpdk.git] / lib / librte_mbuf / rte_mbuf.h

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index f5bafa8..6b1e50d 100644 (file)
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -247,11 +247,8 @@ struct rte_mbuf {
         * config option.
         */
        union {
-#ifdef RTE_MBUF_REFCNT
                rte_atomic16_t refcnt_atomic; /**< Atomically accessed refcnt */
                uint16_t refcnt;              /**< Non-atomically accessed refcnt */
-#endif
-               uint16_t refcnt_reserved;     /**< Do not use this field */
        };
        uint8_t nb_segs;          /**< Number of segments. */
        uint8_t port;             /**< Input port. */
@@ -384,7 +381,6 @@ if (!(exp)) {                                                        \
 
 #endif /*  RTE_LIBRTE_MBUF_DEBUG */
 
-#ifdef RTE_MBUF_REFCNT
 #ifdef RTE_MBUF_REFCNT_ATOMIC
 
 /**
@@ -466,15 +462,6 @@ rte_mbuf_refcnt_set(struct rte_mbuf *m, uint16_t new_value)
                rte_prefetch0(m);               \
 } while (0)
 
-#else /* ! RTE_MBUF_REFCNT */
-
-/** Mbuf prefetch */
-#define RTE_MBUF_PREFETCH_TO_FREE(m) do { } while(0)
-
-#define rte_mbuf_refcnt_set(m,v) do { } while(0)
-
-#endif /* RTE_MBUF_REFCNT */
-
 
 /**
  * Sanity checks on an mbuf.
@@ -509,10 +496,8 @@ static inline struct rte_mbuf *__rte_mbuf_raw_alloc(struct rte_mempool *mp)
        if (rte_mempool_get(mp, &mb) < 0)
                return NULL;
        m = (struct rte_mbuf *)mb;
-#ifdef RTE_MBUF_REFCNT
        RTE_MBUF_ASSERT(rte_mbuf_refcnt_read(m) == 0);
        rte_mbuf_refcnt_set(m, 1);
-#endif /* RTE_MBUF_REFCNT */
        return (m);
 }
 
@@ -527,9 +512,7 @@ static inline struct rte_mbuf *__rte_mbuf_raw_alloc(struct rte_mempool *mp)
 static inline void __attribute__((always_inline))
 __rte_mbuf_raw_free(struct rte_mbuf *m)
 {
-#ifdef RTE_MBUF_REFCNT
        RTE_MBUF_ASSERT(rte_mbuf_refcnt_read(m) == 0);
-#endif /* RTE_MBUF_REFCNT */
        rte_mempool_put(m->pool, m);
 }
 
@@ -704,8 +687,6 @@ static inline struct rte_mbuf *rte_pktmbuf_alloc(struct rte_mempool *mp)
        return (m);
 }
 
-#ifdef RTE_MBUF_REFCNT
-
 /**
  * Attach packet mbuf to another packet mbuf.
  * After attachment we refer the mbuf we attached as 'indirect',
@@ -779,15 +760,11 @@ static inline void rte_pktmbuf_detach(struct rte_mbuf *m)
        m->ol_flags = 0;
 }
 
-#endif /* RTE_MBUF_REFCNT */
-
-
 static inline struct rte_mbuf* __attribute__((always_inline))
 __rte_pktmbuf_prefree_seg(struct rte_mbuf *m)
 {
        __rte_mbuf_sanity_check(m, 0);
 
-#ifdef RTE_MBUF_REFCNT
        if (likely (rte_mbuf_refcnt_read(m) == 1) ||
                        likely (rte_mbuf_refcnt_update(m, -1) == 0)) {
 
@@ -803,12 +780,9 @@ __rte_pktmbuf_prefree_seg(struct rte_mbuf *m)
                        if (rte_mbuf_refcnt_update(md, -1) == 0)
                                __rte_mbuf_raw_free(md);
                }
-#endif
                return(m);
-#ifdef RTE_MBUF_REFCNT
        }
        return (NULL);
-#endif
 }
 
 /**
@@ -851,8 +825,6 @@ static inline void rte_pktmbuf_free(struct rte_mbuf *m)
        }
 }
 
-#ifdef RTE_MBUF_REFCNT
-
 /**
  * Creates a "clone" of the given packet mbuf.
  *
@@ -927,8 +899,6 @@ static inline void rte_pktmbuf_refcnt_update(struct rte_mbuf *m, int16_t v)
        } while ((m = m->next) != NULL);
 }
 
-#endif /* RTE_MBUF_REFCNT */
-
 /**
  * Get the headroom in a packet mbuf.
  *