+struct sfc_evq;
+
+/**
+ * Software Tx descriptor information associated with hardware Tx
+ * descriptor.
+ */
+struct sfc_efx_tx_sw_desc {
+ struct rte_mbuf *mbuf;
+ uint8_t *tsoh; /* Buffer to store TSO header */
+};
+
+enum sfc_txq_state_bit {
+ SFC_TXQ_INITIALIZED_BIT = 0,
+#define SFC_TXQ_INITIALIZED (1 << SFC_TXQ_INITIALIZED_BIT)
+ SFC_TXQ_STARTED_BIT,
+#define SFC_TXQ_STARTED (1 << SFC_TXQ_STARTED_BIT)
+ SFC_TXQ_FLUSHING_BIT,
+#define SFC_TXQ_FLUSHING (1 << SFC_TXQ_FLUSHING_BIT)
+ SFC_TXQ_FLUSHED_BIT,
+#define SFC_TXQ_FLUSHED (1 << SFC_TXQ_FLUSHED_BIT)
+ SFC_TXQ_FLUSH_FAILED_BIT,
+#define SFC_TXQ_FLUSH_FAILED (1 << SFC_TXQ_FLUSH_FAILED_BIT)
+};
+
+/**
+ * Transmit queue control information. Not used on datapath.
+ * Allocated on the socket specified on the queue setup.
+ */
+struct sfc_txq {
+ unsigned int state;
+ unsigned int hw_index;
+ struct sfc_evq *evq;
+ efsys_mem_t mem;
+ struct sfc_dp_txq *dp;
+ efx_txq_t *common;
+ unsigned int free_thresh;
+ unsigned int flags;
+};
+
+static inline unsigned int
+sfc_txq_sw_index_by_hw_index(unsigned int hw_index)
+{
+ return hw_index;
+}
+
+static inline unsigned int
+sfc_txq_sw_index(const struct sfc_txq *txq)
+{
+ return sfc_txq_sw_index_by_hw_index(txq->hw_index);
+}
+
+struct sfc_txq *sfc_txq_by_dp_txq(const struct sfc_dp_txq *dp_txq);
+
+/**
+ * Transmit queue information used on libefx-based data path.
+ * Allocated on the socket specified on the queue setup.
+ */
+struct sfc_efx_txq {
+ struct sfc_evq *evq;
+ struct sfc_efx_tx_sw_desc *sw_ring;
+ unsigned int ptr_mask;
+ efx_desc_t *pend_desc;
+ efx_txq_t *common;
+ unsigned int added;
+ unsigned int pending;
+ unsigned int completed;
+ unsigned int free_thresh;
+ uint16_t hw_vlan_tci;
+ uint16_t dma_desc_size_max;
+
+ unsigned int hw_index;
+ unsigned int flags;
+#define SFC_EFX_TXQ_FLAG_STARTED 0x1
+#define SFC_EFX_TXQ_FLAG_RUNNING 0x2
+
+ /* Datapath transmit queue anchor */
+ struct sfc_dp_txq dp;
+};
+
+static inline struct sfc_efx_txq *
+sfc_efx_txq_by_dp_txq(struct sfc_dp_txq *dp_txq)
+{
+ return container_of(dp_txq, struct sfc_efx_txq, dp);
+}