Whatever its type (Rx, Tx or Ctl), all the virtqueue
require a memzone for the vrings. This patch moves its
pointer to the virtqueue struct, simplifying the code.
Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
Reviewed-by: Chenbo Xia <chenbo....@intel.com>
---
drivers/net/virtio/virtio_cvq.h | 1 -
drivers/net/virtio/virtio_ethdev.c | 11 ++---------
drivers/net/virtio/virtio_rxtx.h | 4 ----
drivers/net/virtio/virtqueue.c | 6 ++----
drivers/net/virtio/virtqueue.h | 1 +
5 files changed, 5 insertions(+), 18 deletions(-)
diff --git a/drivers/net/virtio/virtio_cvq.h b/drivers/net/virtio/virtio_cvq.h
index 0ff326b063..70739ae04b 100644
--- a/drivers/net/virtio/virtio_cvq.h
+++ b/drivers/net/virtio/virtio_cvq.h
@@ -108,7 +108,6 @@ typedef uint8_t virtio_net_ctrl_ack;
struct virtnet_ctl {
const struct rte_memzone *hdr_mz; /**< memzone to populate hdr. */
rte_iova_t hdr_mem; /**< hdr for each xmit packet */
- const struct rte_memzone *mz; /**< mem zone to populate CTL ring. */
rte_spinlock_t lock; /**< spinlock for control queue. */
void (*notify_queue)(struct virtqueue *vq, void *cookie); /**< notify
ops. */
void *notify_cookie; /**< cookie for notify ops */
diff --git a/drivers/net/virtio/virtio_ethdev.c
b/drivers/net/virtio/virtio_ethdev.c
index 56395f79c3..4f6d777951 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -423,6 +423,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t
queue_idx)
memset(mz->addr, 0, mz->len);
+ vq->mz = mz;
if (hw->use_va)
vq->vq_ring_mem = (uintptr_t)mz->addr;
else
@@ -462,14 +463,11 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t
queue_idx)
vq->sw_ring = sw_ring;
rxvq = &vq->rxq;
- rxvq->mz = mz;
rxvq->fake_mbuf = fake_mbuf;
} else if (queue_type == VTNET_TQ) {
txvq = &vq->txq;
- txvq->mz = mz;
} else if (queue_type == VTNET_CQ) {
cvq = &vq->cq;
- cvq->mz = mz;
hw->cvq = cvq;
vq->cq.notify_queue = &virtio_control_queue_notify;
}
@@ -550,15 +548,10 @@ virtio_free_queues(struct virtio_hw *hw)
if (queue_type == VTNET_RQ) {
rte_free(vq->rxq.fake_mbuf);
rte_free(vq->sw_ring);
- rte_memzone_free(vq->rxq.mz);
- } else if (queue_type == VTNET_TQ) {
- rte_memzone_free(vq->txq.mz);
- } else {
- rte_memzone_free(vq->cq.mz);
}
virtio_free_queue_headers(vq);
-
+ rte_memzone_free(vq->mz);
rte_free(vq);
hw->vqs[i] = NULL;
}
diff --git a/drivers/net/virtio/virtio_rxtx.h b/drivers/net/virtio/virtio_rxtx.h
index a5fe3ea95c..57af630110 100644
--- a/drivers/net/virtio/virtio_rxtx.h
+++ b/drivers/net/virtio/virtio_rxtx.h
@@ -25,8 +25,6 @@ struct virtnet_rx {
/* Statistics */
struct virtnet_stats stats;
-
- const struct rte_memzone *mz; /**< mem zone to populate RX ring. */
};
struct virtnet_tx {
@@ -34,8 +32,6 @@ struct virtnet_tx {
rte_iova_t hdr_mem; /**< hdr for each xmit packet */
struct virtnet_stats stats; /* Statistics */
-
- const struct rte_memzone *mz; /**< mem zone to populate TX ring. */
};
int virtio_rxq_vec_setup(struct virtnet_rx *rxvq);
diff --git a/drivers/net/virtio/virtqueue.c b/drivers/net/virtio/virtqueue.c
index 3b174a5923..41e3529546 100644
--- a/drivers/net/virtio/virtqueue.c
+++ b/drivers/net/virtio/virtqueue.c
@@ -148,7 +148,6 @@ virtqueue_rxvq_reset_packed(struct virtqueue *vq)
{
int size = vq->vq_nentries;
struct vq_desc_extra *dxp;
- struct virtnet_rx *rxvq;
uint16_t desc_idx;
vq->vq_used_cons_idx = 0;
@@ -162,8 +161,7 @@ virtqueue_rxvq_reset_packed(struct virtqueue *vq)
vq->vq_packed.event_flags_shadow = 0;
vq->vq_packed.cached_flags |= VRING_DESC_F_WRITE;
- rxvq = &vq->rxq;
- memset(rxvq->mz->addr, 0, rxvq->mz->len);
+ memset(vq->mz->addr, 0, vq->mz->len);
for (desc_idx = 0; desc_idx < vq->vq_nentries; desc_idx++) {
dxp = &vq->vq_descx[desc_idx];
@@ -201,7 +199,7 @@ virtqueue_txvq_reset_packed(struct virtqueue *vq)
txvq = &vq->txq;
txr = txvq->hdr_mz->addr;
- memset(txvq->mz->addr, 0, txvq->mz->len);
+ memset(vq->mz->addr, 0, vq->mz->len);
memset(txvq->hdr_mz->addr, 0, txvq->hdr_mz->len);
for (desc_idx = 0; desc_idx < vq->vq_nentries; desc_idx++) {
diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h
index f5058f362c..8b7bfae643 100644
--- a/drivers/net/virtio/virtqueue.h
+++ b/drivers/net/virtio/virtqueue.h
@@ -201,6 +201,7 @@ struct virtqueue {
struct virtnet_ctl cq;
};
+ const struct rte_memzone *mz; /**< mem zone to populate ring. */
rte_iova_t vq_ring_mem; /**< physical address of vring,
* or virtual address for virtio_user. */
--
2.39.1
