[dpdk-dev] net/bnx2x: reserve enough headroom for mbuf prepend
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Commit Message
Signed-off-by: Yangchao Zhou <zhouyates@gmail.com>
---
drivers/net/bnx2x/bnx2x_rxtx.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
@@ -140,7 +140,8 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev,
return -ENOMEM;
}
rxq->sw_ring[idx] = mbuf;
- rxq->rx_ring[idx] = mbuf->buf_iova;
+ rxq->rx_ring[idx] =
+ rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
}
rxq->pkt_first_seg = NULL;
rxq->pkt_last_seg = NULL;
@@ -400,7 +401,8 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rx_mb = rxq->sw_ring[bd_cons];
rxq->sw_ring[bd_cons] = new_mb;
- rxq->rx_ring[bd_prod] = new_mb->buf_iova;
+ rxq->rx_ring[bd_prod] =
+ rte_cpu_to_le_64(rte_mbuf_data_iova_default(new_mb));
rx_pref = NEXT_RX_BD(bd_cons) & MAX_RX_BD(rxq);
rte_prefetch0(rxq->sw_ring[rx_pref]);
@@ -409,7 +411,7 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
rte_prefetch0(&rxq->sw_ring[rx_pref]);
}
- rx_mb->data_off = pad;
+ rx_mb->data_off = pad + RTE_PKTMBUF_HEADROOM;
rx_mb->nb_segs = 1;
rx_mb->next = NULL;
rx_mb->pkt_len = rx_mb->data_len = len;