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From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org, Yuanhan Liu <yliu@fridaylinux.org>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Tiwei Bie <tiwei.bie@intel.com>
Date: Tue, 23 Jan 2018 16:54:42 +0100
Message-Id: <20180123155443.8883-4-olivier.matz@6wind.com>
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<20180123155443.8883-1-olivier.matz@6wind.com>
Subject: [dpdk-dev] [PATCH v3 3/4] net/virtio: rationalize queue flushing
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Use the same kind of loop than in virtio_free_queues() and factorize
common code.
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
drivers/net/virtio/virtio_ethdev.c | 57 ++++++++++++++++----------------------
1 file changed, 24 insertions(+), 33 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 500556a05..260179598 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1967,53 +1967,44 @@ virtio_dev_start(struct rte_eth_dev *dev)
static void virtio_dev_free_mbufs(struct rte_eth_dev *dev)
{
+ struct virtio_hw *hw = dev->data->dev_private;
+ uint16_t nr_vq = virtio_get_nr_vq(hw);
+ const char *type __rte_unused;
+ unsigned int i, mbuf_num = 0;
+ struct virtqueue *vq;
struct rte_mbuf *buf;
- int i, mbuf_num = 0;
-
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- struct virtnet_rx *rxvq = dev->data->rx_queues[i];
+ int queue_type;
- if (rxvq == NULL || rxvq->vq == NULL)
+ for (i = 0; i < nr_vq; i++) {
+ vq = hw->vqs[i];
+ if (!vq)
continue;
- PMD_INIT_LOG(DEBUG,
- "Before freeing rxq[%d] used and unused buf", i);
- VIRTQUEUE_DUMP(rxvq->vq);
-
- PMD_INIT_LOG(DEBUG, "rx_queues[%d]=%p", i, rxvq);
- while ((buf = virtqueue_detatch_unused(rxvq->vq)) != NULL) {
- rte_pktmbuf_free(buf);
- mbuf_num++;
- }
-
- PMD_INIT_LOG(DEBUG, "free %d mbufs", mbuf_num);
- PMD_INIT_LOG(DEBUG,
- "After freeing rxq[%d] used and unused buf", i);
- VIRTQUEUE_DUMP(rxvq->vq);
- }
-
- for (i = 0; i < dev->data->nb_tx_queues; i++) {
- struct virtnet_tx *txvq = dev->data->tx_queues[i];
-
- if (txvq == NULL || txvq->vq == NULL)
+ queue_type = virtio_get_queue_type(hw, i);
+ if (queue_type == VTNET_RQ)
+ type = "rxq";
+ else if (queue_type == VTNET_TQ)
+ type = "txq";
+ else
continue;
PMD_INIT_LOG(DEBUG,
- "Before freeing txq[%d] used and unused bufs",
- i);
- VIRTQUEUE_DUMP(txvq->vq);
+ "Before freeing %s[%d] used and unused buf",
+ type, i);
+ VIRTQUEUE_DUMP(vq);
- mbuf_num = 0;
- while ((buf = virtqueue_detatch_unused(txvq->vq)) != NULL) {
+ while ((buf = virtqueue_detatch_unused(vq)) != NULL) {
rte_pktmbuf_free(buf);
mbuf_num++;
}
- PMD_INIT_LOG(DEBUG, "free %d mbufs", mbuf_num);
PMD_INIT_LOG(DEBUG,
- "After freeing txq[%d] used and unused buf", i);
- VIRTQUEUE_DUMP(txvq->vq);
+ "After freeing %s[%d] used and unused buf",
+ type, i);
+ VIRTQUEUE_DUMP(vq);
}
+
+ PMD_INIT_LOG(DEBUG, "%d mbufs freed", mbuf_num);
}
/*
--
2.11.0