[dpdk-dev] [PATCH 2/2] net/bnxt: use new API to get iova address

Olivier Matz olivier.matz at 6wind.com
Thu Dec 14 15:28:25 CET 2017


The functions rte_mbuf_data_dma_addr*() are deprecated.
Replace them with their iova version. Also rename the 'data' variable
to 'mbuf' for more readability.

Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
 drivers/net/bnxt/bnxt_ring.h |  3 ---
 drivers/net/bnxt/bnxt_rxr.c  | 22 +++++++++++-----------
 drivers/net/bnxt/bnxt_txr.c  |  4 ++--
 3 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h
index 164f482e3..12992f2da 100644
--- a/drivers/net/bnxt/bnxt_ring.h
+++ b/drivers/net/bnxt/bnxt_ring.h
@@ -40,9 +40,6 @@
 
 #define RING_NEXT(ring, idx)		(((idx) + 1) & (ring)->ring_mask)
 
-#define RTE_MBUF_DATA_DMA_ADDR(mb) \
-	((uint64_t)((mb)->buf_iova + (mb)->data_off))
-
 #define DB_IDX_MASK						0xffffff
 #define DB_IDX_VALID						(0x1 << 26)
 #define DB_IRQ_DIS						(0x1 << 27)
diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index 3fff4d437..82c93d6dc 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -65,17 +65,17 @@ static inline int bnxt_alloc_rx_data(struct bnxt_rx_queue *rxq,
 {
 	struct rx_prod_pkt_bd *rxbd = &rxr->rx_desc_ring[prod];
 	struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod];
-	struct rte_mbuf *data;
+	struct rte_mbuf *mbuf;
 
-	data = __bnxt_alloc_rx_data(rxq->mb_pool);
-	if (!data) {
+	mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
+	if (!mbuf) {
 		rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
 		return -ENOMEM;
 	}
 
-	rx_buf->mbuf = data;
+	rx_buf->mbuf = mbuf;
 
-	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(data));
+	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
 	return 0;
 }
@@ -86,10 +86,10 @@ static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq,
 {
 	struct rx_prod_pkt_bd *rxbd = &rxr->ag_desc_ring[prod];
 	struct bnxt_sw_rx_bd *rx_buf = &rxr->ag_buf_ring[prod];
-	struct rte_mbuf *data;
+	struct rte_mbuf *mbuf;
 
-	data = __bnxt_alloc_rx_data(rxq->mb_pool);
-	if (!data) {
+	mbuf = __bnxt_alloc_rx_data(rxq->mb_pool);
+	if (!mbuf) {
 		rte_atomic64_inc(&rxq->bp->rx_mbuf_alloc_fail);
 		return -ENOMEM;
 	}
@@ -100,9 +100,9 @@ static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq,
 		RTE_LOG(ERR, PMD, "Jumbo Frame. rx_buf is NULL\n");
 
 
-	rx_buf->mbuf = data;
+	rx_buf->mbuf = mbuf;
 
-	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(data));
+	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
 	return 0;
 }
@@ -123,7 +123,7 @@ static inline void bnxt_reuse_rx_mbuf(struct bnxt_rx_ring_info *rxr,
 
 	prod_bd = &rxr->rx_desc_ring[prod];
 
-	prod_bd->addr = rte_cpu_to_le_64(rte_mbuf_data_dma_addr_default(mbuf));
+	prod_bd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
 	rxr->rx_prod = prod;
 }
diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 8ca4bbd80..676551e5c 100644
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -181,7 +181,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 		txbd->flags_type |= TX_BD_LONG_FLAGS_LHINT_GTE2K;
 	else
 		txbd->flags_type |= lhint_arr[txbd->len >> 9];
-	txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(tx_buf->mbuf));
+	txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(tx_buf->mbuf));
 
 	if (long_bd) {
 		txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
@@ -257,7 +257,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 		tx_buf = &txr->tx_buf_ring[txr->tx_prod];
 
 		txbd = &txr->tx_desc_ring[txr->tx_prod];
-		txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(m_seg));
+		txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(m_seg));
 		txbd->flags_type = TX_BD_SHORT_TYPE_TX_BD_SHORT;
 		txbd->len = m_seg->data_len;
 
-- 
2.11.0



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