net/mlx4: add loopback Tx from VF

[dpdk.git] / drivers / net / mlx4 / mlx4_rxtx.h

diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h
index ff27126..e10bbca 100644 (file)
--- a/drivers/net/mlx4/mlx4_rxtx.h
+++ b/drivers/net/mlx4/mlx4_rxtx.h
@@ -63,13 +63,6 @@ struct mlx4_rxq_stats {
        uint64_t rx_nombuf; /**< Total of Rx mbuf allocation failures. */
 };
 
-/** Rx element. */
-struct rxq_elt {
-       struct ibv_recv_wr wr; /**< Work request. */
-       struct ibv_sge sge; /**< Scatter/gather element. */
-       struct rte_mbuf *buf; /**< Buffer. */
-};
-
 /** Rx queue descriptor. */
 struct rxq {
        struct priv *priv; /**< Back pointer to private data. */
@@ -78,10 +71,16 @@ struct rxq {
        struct ibv_cq *cq; /**< Completion queue. */
        struct ibv_wq *wq; /**< Work queue. */
        struct ibv_comp_channel *channel; /**< Rx completion channel. */
-       unsigned int port_id; /**< Port ID for incoming packets. */
-       unsigned int elts_n; /**< (*elts)[] length. */
-       unsigned int elts_head; /**< Current index in (*elts)[]. */
-       struct rxq_elt (*elts)[]; /**< Rx elements. */
+       uint16_t rq_ci; /**< Saved RQ consumer index. */
+       uint16_t port_id; /**< Port ID for incoming packets. */
+       uint16_t sges_n; /**< Number of segments per packet (log2 value). */
+       uint16_t elts_n; /**< Mbuf queue size (log2 value). */
+       struct rte_mbuf *(*elts)[]; /**< Rx elements. */
+       volatile struct mlx4_wqe_data_seg (*wqes)[]; /**< HW queue entries. */
+       volatile uint32_t *rq_db; /**< RQ doorbell record. */
+       uint32_t csum:1; /**< Enable checksum offloading. */
+       uint32_t csum_l2tun:1; /**< Same for L2 tunnels. */
+       struct mlx4_cq mcq;  /**< Info for directly manipulating the CQ. */
        struct mlx4_rxq_stats stats; /**< Rx queue counters. */
        unsigned int socket; /**< CPU socket ID for allocations. */
        uint8_t data[]; /**< Remaining queue resources. */
@@ -127,6 +126,9 @@ struct txq {
        struct txq_elt (*elts)[]; /**< Tx elements. */
        struct mlx4_txq_stats stats; /**< Tx queue counters. */
        uint32_t max_inline; /**< Max inline send size. */
+       uint32_t csum:1; /**< Enable checksum offloading. */
+       uint32_t csum_l2tun:1; /**< Same for L2 tunnels. */
+       uint32_t lb:1; /**< Whether packets should be looped back by eSwitch. */
        uint8_t *bounce_buf;
        /**< Memory used for storing the first DWORD of data TXBBs. */
        struct {