This patch does two fixes.
1. No matter what the mbuf size is, the data buffer size should not
be greater than 16K - 128.
2. Align data buffer size to 128.
Fixes: 119834846e93 ("net/cpfl: support Rx queue setup")
Cc: [email protected]
Signed-off-by: Wenjun Wu <[email protected]>
---
drivers/net/cpfl/cpfl_rxtx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/cpfl/cpfl_rxtx.c b/drivers/net/cpfl/cpfl_rxtx.c
index de59b31b3d..75021c3c54 100644
--- a/drivers/net/cpfl/cpfl_rxtx.c
+++ b/drivers/net/cpfl/cpfl_rxtx.c
@@ -155,7 +155,8 @@ cpfl_rx_split_bufq_setup(struct rte_eth_dev *dev, struct
idpf_rx_queue *rxq,
bufq->adapter = base;
len = rte_pktmbuf_data_room_size(bufq->mp) - RTE_PKTMBUF_HEADROOM;
- bufq->rx_buf_len = len;
+ bufq->rx_buf_len = RTE_ALIGN_FLOOR(len, (1 << IDPF_RLAN_CTX_DBUF_S));
+ bufq->rx_buf_len = RTE_MIN(bufq->rx_buf_len, IDPF_RX_MAX_DATA_BUF_SIZE);
/* Allocate a little more to support bulk allocate. */
len = nb_desc + IDPF_RX_MAX_BURST;
--
2.34.1
