[PATCH v4 2/5] net/nfp: export more interfaces of NFDk

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

From: Long Wu <long.wu@corigine.com>

NFP will support NFDk vector Tx function, so move some
functions to header file for use by vector Tx function.

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
 drivers/net/nfp/nfdk/nfp_nfdk.h    | 45 ++++++++++++++++++++++++++++++
 drivers/net/nfp/nfdk/nfp_nfdk_dp.c | 43 +---------------------------
 2 files changed, 46 insertions(+), 42 deletions(-)

diff --git a/drivers/net/nfp/nfdk/nfp_nfdk.h b/drivers/net/nfp/nfdk/nfp_nfdk.h
index 2767fd51cd..89a98d13f3 100644
--- a/drivers/net/nfp/nfdk/nfp_nfdk.h
+++ b/drivers/net/nfp/nfdk/nfp_nfdk.h
@@ -6,7 +6,10 @@
 #ifndef __NFP_NFDK_H__
 #define __NFP_NFDK_H__
 
+#include <nfp_platform.h>
+
 #include "../nfp_rxtx.h"
+#include "nfp_net_common.h"
 
 #define NFDK_TX_DESC_PER_SIMPLE_PKT     2
 
@@ -161,6 +164,45 @@ nfp_net_nfdk_txq_full(struct nfp_net_txq *txq)
 	return (nfp_net_nfdk_free_tx_desc(txq) < txq->tx_free_thresh);
 }
 
+static inline uint16_t
+nfp_net_nfdk_headlen_to_segs(uint16_t headlen)
+{
+	/* First descriptor fits less data, so adjust for that */
+	return DIV_ROUND_UP(headlen + NFDK_TX_MAX_DATA_PER_DESC - NFDK_TX_MAX_DATA_PER_HEAD,
+			NFDK_TX_MAX_DATA_PER_DESC);
+}
+
+/* Set TX CSUM offload flags in TX descriptor of nfdk */
+static inline uint64_t
+nfp_net_nfdk_tx_cksum(struct nfp_net_txq *txq,
+		struct rte_mbuf *mb,
+		uint64_t flags)
+{
+	uint64_t ol_flags;
+	struct nfp_net_hw *hw = txq->hw;
+
+	if ((hw->super.cap & NFP_NET_CFG_CTRL_TXCSUM) == 0)
+		return flags;
+
+	ol_flags = mb->ol_flags;
+
+	/* Set TCP csum offload if TSO enabled. */
+	if ((ol_flags & RTE_MBUF_F_TX_TCP_SEG) != 0)
+		flags |= NFDK_DESC_TX_L4_CSUM;
+
+	if ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) != 0)
+		flags |= NFDK_DESC_TX_ENCAP;
+
+	/* IPv6 does not need checksum */
+	if ((ol_flags & RTE_MBUF_F_TX_IP_CKSUM) != 0)
+		flags |= NFDK_DESC_TX_L3_CSUM;
+
+	if ((ol_flags & RTE_MBUF_F_TX_L4_MASK) != 0)
+		flags |= NFDK_DESC_TX_L4_CSUM;
+
+	return flags;
+}
+
 uint32_t nfp_flower_nfdk_pkt_add_metadata(struct rte_mbuf *mbuf,
 		uint32_t port_id);
 uint16_t nfp_net_nfdk_xmit_pkts_common(void *tx_queue,
@@ -177,5 +219,8 @@ int nfp_net_nfdk_tx_queue_setup(struct rte_eth_dev *dev,
 		const struct rte_eth_txconf *tx_conf);
 int nfp_net_nfdk_tx_maybe_close_block(struct nfp_net_txq *txq,
 		struct rte_mbuf *pkt);
+int nfp_net_nfdk_set_meta_data(struct rte_mbuf *pkt,
+		struct nfp_net_txq *txq,
+		uint64_t *metadata);
 
 #endif /* __NFP_NFDK_H__ */
diff --git a/drivers/net/nfp/nfdk/nfp_nfdk_dp.c b/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
index 8b8c191b82..173aabf0b9 100644
--- a/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
+++ b/drivers/net/nfp/nfdk/nfp_nfdk_dp.c
@@ -6,7 +6,6 @@
 #include "nfp_nfdk.h"
 
 #include <bus_pci_driver.h>
-#include <nfp_platform.h>
 #include <rte_malloc.h>
 
 #include "../flower/nfp_flower.h"
@@ -15,38 +14,6 @@
 
 #define NFDK_TX_DESC_GATHER_MAX         17
 
-/* Set TX CSUM offload flags in TX descriptor of nfdk */
-static uint64_t
-nfp_net_nfdk_tx_cksum(struct nfp_net_txq *txq,
-		struct rte_mbuf *mb,
-		uint64_t flags)
-{
-	uint64_t ol_flags;
-	struct nfp_net_hw *hw = txq->hw;
-
-	if ((hw->super.ctrl & NFP_NET_CFG_CTRL_TXCSUM) == 0)
-		return flags;
-
-	ol_flags = mb->ol_flags;
-
-	/* Set L4 csum offload if TSO/UFO enabled. */
-	if ((ol_flags & RTE_MBUF_F_TX_TCP_SEG) != 0 ||
-			(ol_flags & RTE_MBUF_F_TX_UDP_SEG) != 0)
-		flags |= NFDK_DESC_TX_L4_CSUM;
-
-	if ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) != 0)
-		flags |= NFDK_DESC_TX_ENCAP;
-
-	/* IPv6 does not need checksum */
-	if ((ol_flags & RTE_MBUF_F_TX_IP_CKSUM) != 0)
-		flags |= NFDK_DESC_TX_L3_CSUM;
-
-	if ((ol_flags & RTE_MBUF_F_TX_L4_MASK) != 0)
-		flags |= NFDK_DESC_TX_L4_CSUM;
-
-	return flags;
-}
-
 /* Set TX descriptor for TSO of nfdk */
 static uint64_t
 nfp_net_nfdk_tx_tso(struct nfp_net_txq *txq,
@@ -100,14 +67,6 @@ nfp_flower_nfdk_pkt_add_metadata(struct rte_mbuf *mbuf,
 	return FLOWER_PKT_DATA_OFFSET;
 }
 
-static inline uint16_t
-nfp_net_nfdk_headlen_to_segs(uint16_t headlen)
-{
-	/* First descriptor fits less data, so adjust for that */
-	return DIV_ROUND_UP(headlen + NFDK_TX_MAX_DATA_PER_DESC - NFDK_TX_MAX_DATA_PER_HEAD,
-			NFDK_TX_MAX_DATA_PER_DESC);
-}
-
 static inline void
 nfp_net_nfdk_tx_close_block(struct nfp_net_txq *txq,
 		uint32_t nop_slots)
@@ -170,7 +129,7 @@ nfp_net_nfdk_tx_maybe_close_block(struct nfp_net_txq *txq,
 	return nop_slots;
 }
 
-static int
+int
 nfp_net_nfdk_set_meta_data(struct rte_mbuf *pkt,
 		struct nfp_net_txq *txq,
 		uint64_t *metadata)
-- 
2.39.1