+/* Multi-Packet RQ buffer header. */
+struct mlx5_mprq_buf {
+ struct rte_mempool *mp;
+ uint16_t refcnt; /* Atomically accessed refcnt. */
+ uint8_t pad[RTE_PKTMBUF_HEADROOM]; /* Headroom for the first packet. */
+ struct rte_mbuf_ext_shared_info shinfos[];
+ /*
+ * Shared information per stride.
+ * More memory will be allocated for the first stride head-room and for
+ * the strides data.
+ */
+} __rte_cache_aligned;
+
+__rte_internal
+void mlx5_mprq_buf_free_cb(void *addr, void *opaque);
+
+/**
+ * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which the
+ * cloned mbuf is allocated is returned instead.
+ *
+ * @param buf
+ * Pointer to mbuf.
+ *
+ * @return
+ * Memory pool where data is located for given mbuf.
+ */
+static inline struct rte_mempool *
+mlx5_mb2mp(struct rte_mbuf *buf)
+{
+ if (unlikely(RTE_MBUF_CLONED(buf)))
+ return rte_mbuf_from_indirect(buf)->pool;
+ return buf->pool;
+}
+