mbuf: use C11 atomic builtins for refcnt

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

diff --git a/lib/librte_mbuf/rte_mbuf_core.h b/lib/librte_mbuf/rte_mbuf_core.h
index 22be41e..8cd7137 100644 (file)
--- a/lib/librte_mbuf/rte_mbuf_core.h
+++ b/lib/librte_mbuf/rte_mbuf_core.h
@@ -523,11 +523,12 @@ struct rte_mbuf {
        RTE_STD_C11
        union {
                uint32_t packet_type; /**< L2/L3/L4 and tunnel information. */
+               __extension__
                struct {
-                       uint32_t l2_type:4; /**< (Outer) L2 type. */
-                       uint32_t l3_type:4; /**< (Outer) L3 type. */
-                       uint32_t l4_type:4; /**< (Outer) L4 type. */
-                       uint32_t tun_type:4; /**< Tunnel type. */
+                       uint8_t l2_type:4;   /**< (Outer) L2 type. */
+                       uint8_t l3_type:4;   /**< (Outer) L3 type. */
+                       uint8_t l4_type:4;   /**< (Outer) L4 type. */
+                       uint8_t tun_type:4;  /**< Tunnel type. */
                        RTE_STD_C11
                        union {
                                uint8_t inner_esp_next_proto;
@@ -543,7 +544,7 @@ struct rte_mbuf {
                                        /**< Inner L3 type. */
                                };
                        };
-                       uint32_t inner_l4_type:4; /**< Inner L4 type. */
+                       uint8_t inner_l4_type:4; /**< Inner L4 type. */
                };
        };
 
@@ -678,7 +679,11 @@ typedef void (*rte_mbuf_extbuf_free_callback_t)(void *addr, void *opaque);
 struct rte_mbuf_ext_shared_info {
        rte_mbuf_extbuf_free_callback_t free_cb; /**< Free callback function */
        void *fcb_opaque;                        /**< Free callback argument */
-       rte_atomic16_t refcnt_atomic;        /**< Atomically accessed refcnt */
+       RTE_STD_C11
+       union {
+               rte_atomic16_t refcnt_atomic; /**< Atomically accessed refcnt */
+               uint16_t refcnt;
+       };
 };
 
 /**< Maximum number of nb_segs allowed. */