void mlx5_mr_flush_local_cache(struct mlx5_mr_ctrl *mr_ctrl);
uint32_t mlx5_rx_addr2mr_bh(struct mlx5_rxq_data *rxq, uintptr_t addr);
uint32_t mlx5_tx_addr2mr_bh(struct mlx5_txq_data *txq, uintptr_t addr);
+uint32_t mlx5_tx_update_ext_mp(struct mlx5_txq_data *txq, uintptr_t addr,
+ struct rte_mempool *mp);
/**
* Provide safe 64bit store operation to mlx5 UAR region for both 32bit and
*txq->cq_db = rte_cpu_to_be_32(cq_ci);
}
+/**
+ * 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 struct rte_mempool *
+mlx5_mb2mp(struct rte_mbuf *buf)
+{
+ if (unlikely(RTE_MBUF_INDIRECT(buf)))
+ return rte_mbuf_from_indirect(buf)->pool;
+ return buf->pool;
+}
+
/**
* Query LKey from a packet buffer for Rx. No need to flush local caches for Rx
* as mempool is pre-configured and static.
return mlx5_tx_addr2mr_bh(txq, addr);
}
-#define mlx5_tx_mb2mr(rxq, mb) mlx5_tx_addr2mr(rxq, (uintptr_t)((mb)->buf_addr))
+static __rte_always_inline uint32_t
+mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
+{
+ uintptr_t addr = (uintptr_t)mb->buf_addr;
+ uint32_t lkey = mlx5_tx_addr2mr(txq, addr);
+
+ if (likely(lkey != UINT32_MAX))
+ return lkey;
+ if (rte_errno == ENXIO) {
+ /* Mempool may have externally allocated memory. */
+ lkey = mlx5_tx_update_ext_mp(txq, addr, mlx5_mb2mp(mb));
+ }
+ return lkey;
+}
/**
* Ring TX queue doorbell and flush the update if requested.