[PATCH v0 1/1] net/octeon_ep: fix mbuf data offset update

[PATCH v0 1/1] net/octeon_ep: fix mbuf data offset update

[Vamsi Krishna]

From: Vamsi Attunuru <vattunuru@marvell.com>

Buffer refill routine uses mempool API instead of pktmbuf
alloc to avoid mbuf reset. Patch uses rearm to update the
mbuf fields. Also it removes redundant refill count update.

Fixes: 35dee56cee00 ("net/octeon_ep: add new fastpath routines")
Cc: stable@dpdk.org

Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
---
 drivers/net/octeon_ep/cnxk_ep_rx.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/octeon_ep/cnxk_ep_rx.c b/drivers/net/octeon_ep/cnxk_ep_rx.c
index 7465e0a017..a10e9c536e 100644
--- a/drivers/net/octeon_ep/cnxk_ep_rx.c
+++ b/drivers/net/octeon_ep/cnxk_ep_rx.c
@@ -10,7 +10,6 @@ cnxk_ep_process_pkts_scalar_mseg(struct rte_mbuf **rx_pkts, struct otx_ep_droq *
 {
 	struct rte_mbuf **recv_buf_list = droq->recv_buf_list;
 	uint32_t total_pkt_len, bytes_rsvd = 0;
-	uint16_t port_id = droq->otx_ep_dev->port_id;
 	uint16_t nb_desc = droq->nb_desc;
 	uint16_t pkts;
 
@@ -22,7 +21,7 @@ cnxk_ep_process_pkts_scalar_mseg(struct rte_mbuf **rx_pkts, struct otx_ep_droq *
 		uint32_t pkt_len = 0;
 
 		mbuf = recv_buf_list[droq->read_idx];
-		info = rte_pktmbuf_mtod(mbuf, struct otx_ep_droq_info *);
+		info = cnxk_pktmbuf_mtod(mbuf, struct otx_ep_droq_info *);
 
 		total_pkt_len = rte_bswap16(info->length >> 48) + OTX_EP_INFO_SIZE;
 
@@ -37,7 +36,7 @@ cnxk_ep_process_pkts_scalar_mseg(struct rte_mbuf **rx_pkts, struct otx_ep_droq *
 			if (!pkt_len) {
 				/* Note the first seg */
 				first_buf = mbuf;
-				mbuf->data_off += OTX_EP_INFO_SIZE;
+				*(uint64_t *)&mbuf->rearm_data = droq->rearm_data;
 				mbuf->pkt_len = cpy_len - OTX_EP_INFO_SIZE;
 				mbuf->data_len = cpy_len - OTX_EP_INFO_SIZE;
 			} else {
@@ -57,12 +56,10 @@ cnxk_ep_process_pkts_scalar_mseg(struct rte_mbuf **rx_pkts, struct otx_ep_droq *
 			droq->refill_count++;
 		}
 		mbuf = first_buf;
-		mbuf->port = port_id;
 		rx_pkts[pkts] = mbuf;
 		bytes_rsvd += pkt_len;
 	}
 
-	droq->refill_count += new_pkts;
 	droq->pkts_pending -= pkts;
 	/* Stats */
 	droq->stats.pkts_received += pkts;
-- 
2.34.1