[dpdk-dev] [PATCH 29/31] net/bnxt: fix incorrect IO address handling in Tx

[Ajit Khaparde]

rte_mbuf_data_iova returns a 64-bit address. But we are incorrectly
using only 32-bits of that. Use rte_cpu_to_le_64 instead of
rte_cpu_to_le_32

Fixes: 6eb3cc2294fd ("net/bnxt: add initial Tx code")
Cc: sta...@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
---
 drivers/net/bnxt/bnxt_txr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 23c8e6660..4e684f208 100644
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -164,7 +164,7 @@ 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[tx_pkt->pkt_len >> 9];
-       txbd->address = rte_cpu_to_le_32(rte_mbuf_data_iova(tx_buf->mbuf));
+       txbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova(tx_buf->mbuf));
 
        if (long_bd) {
                txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
@@ -287,7 +287,7 @@ 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->address = rte_cpu_to_le_32(rte_mbuf_data_iova(m_seg));
+               txbd->address = rte_cpu_to_le_64(rte_mbuf_data_iova(m_seg));
                txbd->flags_type |= TX_BD_SHORT_TYPE_TX_BD_SHORT;
                txbd->len = m_seg->data_len;
 
-- 
2.15.1 (Apple Git-101)