net/memif: fix Tx bps statistics for zero-copy

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@dpdk.org
Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Reviewed-by: Jakub Grajciar <jgrajcia@cisco.com>

diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c
index 37a49fa..da71957 100644 (file)
--- a/drivers/net/memif/rte_eth_memif.c
+++ b/drivers/net/memif/rte_eth_memif.c
@@ -706,6 +706,7 @@ next_in_chain:
        /* 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 *) -