[dpdk-stable] [PATCH] net/memif: fix missing Tx-bps stats for zero-copy

[Tianyu Li]

Fix the missing Tx-bps counter for memif zero-copy mode
Before
  Rx-pps:      6891450          Rx-bps:   3528438928
  Tx-pps:      6891482          Tx-bps:            0
After
  Throughput (since last show)
  Rx-pps:     11157056          Rx-bps:   5712413016
  Tx-pps:     11157056          Tx-bps:   5712413016

Fixes: 43b815d88188 ("net/memif: support zero-copy slave")
Cc: stable at dpdk.org

Signed-off-by: Tianyu Li <tianyu.li at arm.com>
---
 drivers/net/memif/rte_eth_memif.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c
index 77c95bcb7..dd2825968 100644
--- a/drivers/net/memif/rte_eth_memif.c
+++ b/drivers/net/memif/rte_eth_memif.c
@@ -706,6 +706,7 @@ memif_tx_one_zc(struct pmd_process_private *proc_private, struct memif_queue *mq
 	/* populate descriptor */
 	d0 = &ring->desc[slot & mask];
 	d0->length = rte_pktmbuf_data_len(mbuf);
+	mq->n_bytes += rte_pktmbuf_data_len(mbuf);
 	/* FIXME: get region index */
 	d0->region = 1;
 	d0->offset = rte_pktmbuf_mtod(mbuf, uint8_t *) -
-- 
2.25.1