net/virtio: fix Rx stats on AltiVec path
authorDavid Christensen <drc@linux.vnet.ibm.com>
Mon, 30 Sep 2019 18:27:54 +0000 (11:27 -0700)
committerFerruh Yigit <ferruh.yigit@intel.com>
Wed, 23 Oct 2019 14:43:09 +0000 (16:43 +0200)
With vectorized functions, only the rx stats for number of packets is
incremented.
Update also the other statistics.

Fixes: 52b5a707e6ca ("net/virtio: add Altivec Rx")

Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
drivers/net/virtio/virtio_rxtx_simple_altivec.c

index 1cd732d..f856396 100644 (file)
@@ -49,6 +49,7 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
        struct vring_used_elem *rused;
        struct rte_mbuf **sw_ring;
        struct rte_mbuf **sw_ring_end;
+       struct rte_mbuf **ref_rx_pkts;
        uint16_t nb_pkts_received = 0;
        const vector unsigned char zero = {0};
 
@@ -108,6 +109,7 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
                        virtqueue_notify(vq);
        }
 
+       ref_rx_pkts = rx_pkts;
        for (nb_pkts_received = 0;
                nb_pkts_received < nb_used;) {
                vector unsigned char desc[RTE_VIRTIO_DESC_PER_LOOP / 2];
@@ -199,5 +201,8 @@ virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
        vq->vq_used_cons_idx += nb_pkts_received;
        vq->vq_free_cnt += nb_pkts_received;
        rxvq->stats.packets += nb_pkts_received;
+       for (nb_used = 0; nb_used < nb_pkts_received; nb_used++)
+               virtio_update_packet_stats(&rxvq->stats, ref_rx_pkts[nb_used]);
+
        return nb_pkts_received;
 }