[PATCH v9 08/12] net/nfp: move common rxtx function for flower use

[Chaoyong He <chaoyong.he@corigine.com>]

Move some common Rx and Tx logic to the header file so that
they can be re-used by flower Tx and Rx logic.

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Signed-off-by: Heinrich Kuhn <heinrich.kuhn@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
---
 drivers/net/nfp/nfp_rxtx.c | 32 +-------------------------------
 drivers/net/nfp/nfp_rxtx.h | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 31 deletions(-)

diff --git a/drivers/net/nfp/nfp_rxtx.c b/drivers/net/nfp/nfp_rxtx.c
index 8429b44..8d63a7b 100644
--- a/drivers/net/nfp/nfp_rxtx.c
+++ b/drivers/net/nfp/nfp_rxtx.c
@@ -116,12 +116,6 @@
 	return count;
 }
 
-static inline void
-nfp_net_mbuf_alloc_failed(struct nfp_net_rxq *rxq)
-{
-	rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
-}
-
 /*
  * nfp_net_set_hash - Set mbuf hash data
  *
@@ -583,7 +577,7 @@
  * @txq: TX queue to work with
  * Returns number of descriptors freed
  */
-static int
+int
 nfp_net_tx_free_bufs(struct nfp_net_txq *txq)
 {
 	uint32_t qcp_rd_p;
@@ -774,30 +768,6 @@
 	return 0;
 }
 
-/* Leaving always free descriptors for avoiding wrapping confusion */
-static inline
-uint32_t nfp_net_nfd3_free_tx_desc(struct nfp_net_txq *txq)
-{
-	if (txq->wr_p >= txq->rd_p)
-		return txq->tx_count - (txq->wr_p - txq->rd_p) - 8;
-	else
-		return txq->rd_p - txq->wr_p - 8;
-}
-
-/*
- * nfp_net_txq_full - Check if the TX queue free descriptors
- * is below tx_free_threshold
- *
- * @txq: TX queue to check
- *
- * This function uses the host copy* of read/write pointers
- */
-static inline
-uint32_t nfp_net_nfd3_txq_full(struct nfp_net_txq *txq)
-{
-	return (nfp_net_nfd3_free_tx_desc(txq) < txq->tx_free_thresh);
-}
-
 /* nfp_net_tx_tso - Set TX descriptor for TSO */
 static inline void
 nfp_net_nfd3_tx_tso(struct nfp_net_txq *txq, struct nfp_net_nfd3_tx_desc *txd,
diff --git a/drivers/net/nfp/nfp_rxtx.h b/drivers/net/nfp/nfp_rxtx.h
index 5c005d7..a30171f 100644
--- a/drivers/net/nfp/nfp_rxtx.h
+++ b/drivers/net/nfp/nfp_rxtx.h
@@ -330,6 +330,36 @@ struct nfp_net_rxq {
 	int rx_qcidx;
 } __rte_aligned(64);
 
+static inline void
+nfp_net_mbuf_alloc_failed(struct nfp_net_rxq *rxq)
+{
+	rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
+}
+
+/* Leaving always free descriptors for avoiding wrapping confusion */
+static inline uint32_t
+nfp_net_nfd3_free_tx_desc(struct nfp_net_txq *txq)
+{
+	if (txq->wr_p >= txq->rd_p)
+		return txq->tx_count - (txq->wr_p - txq->rd_p) - 8;
+	else
+		return txq->rd_p - txq->wr_p - 8;
+}
+
+/*
+ * nfp_net_nfd3_txq_full - Check if the TX queue free descriptors
+ * is below tx_free_threshold
+ *
+ * @txq: TX queue to check
+ *
+ * This function uses the host copy* of read/write pointers
+ */
+static inline uint32_t
+nfp_net_nfd3_txq_full(struct nfp_net_txq *txq)
+{
+	return (nfp_net_nfd3_free_tx_desc(txq) < txq->tx_free_thresh);
+}
+
 int nfp_net_rx_freelist_setup(struct rte_eth_dev *dev);
 uint32_t nfp_net_rx_queue_count(void *rx_queue);
 uint16_t nfp_net_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
@@ -355,6 +385,7 @@ int nfp_net_nfdk_tx_queue_setup(struct rte_eth_dev *dev,
 uint16_t nfp_net_nfdk_xmit_pkts(void *tx_queue,
 		struct rte_mbuf **tx_pkts,
 		uint16_t nb_pkts);
+int nfp_net_tx_free_bufs(struct nfp_net_txq *txq);
 
 #endif /* _NFP_RXTX_H_ */
 /*
-- 
1.8.3.1