New upstream version 18.11-rc1

[deb_dpdk.git] / drivers / net / mlx5 / mlx5_rxtx.h

diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 48ed2b2..1db468c 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -97,10 +97,10 @@ struct mlx5_rxq_data {
        volatile uint32_t *rq_db;
        volatile uint32_t *cq_db;
        uint16_t port_id;
-       uint16_t rq_ci;
+       uint32_t rq_ci;
        uint16_t consumed_strd; /* Number of consumed strides in WQE. */
-       uint16_t rq_pi;
-       uint16_t cq_ci;
+       uint32_t rq_pi;
+       uint32_t cq_ci;
        struct mlx5_mr_ctrl mr_ctrl; /* MR control descriptor. */
        uint16_t mprq_max_memcpy_len; /* Maximum size of packet to memcpy. */
        volatile void *wqes;
@@ -363,6 +363,8 @@ uint16_t mlx5_rx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts,
 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
@@ -606,6 +608,24 @@ mlx5_tx_complete(struct mlx5_txq_data *txq)
        *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.
@@ -664,7 +684,20 @@ mlx5_tx_addr2mr(struct mlx5_txq_data *txq, uintptr_t addr)
        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.