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[PATCH V2 16/18] virito-net: use "qps" instead of "queues" when possible


From: Jason Wang
Subject: [PATCH V2 16/18] virito-net: use "qps" instead of "queues" when possible
Date: Tue, 6 Jul 2021 16:27:15 +0800

Most of the time, "queues" really means queue pairs. So this patch
switch to use "qps" to avoid confusion.

Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/net/vhost_net.c             |   6 +-
 hw/net/virtio-net.c            | 150 ++++++++++++++++-----------------
 include/hw/virtio/virtio-net.h |   4 +-
 3 files changed, 80 insertions(+), 80 deletions(-)

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 4294fb9fc9..fe2fd7e3d5 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -333,7 +333,7 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
         if (i < data_qps) {
             peer = qemu_get_peer(ncs, i);
         } else { /* Control Virtqueue */
-            peer = qemu_get_peer(ncs, n->max_queues);
+            peer = qemu_get_peer(ncs, n->max_qps);
         }
 
         net = get_vhost_net(peer);
@@ -358,7 +358,7 @@ int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
         if (i < data_qps) {
             peer = qemu_get_peer(ncs, i);
         } else {
-            peer = qemu_get_peer(ncs, n->max_queues);
+            peer = qemu_get_peer(ncs, n->max_qps);
         }
         r = vhost_net_start_one(get_vhost_net(peer), dev);
 
@@ -408,7 +408,7 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
         if (i < data_qps) {
             peer = qemu_get_peer(ncs, i);
         } else {
-            peer = qemu_get_peer(ncs, n->max_queues);
+            peer = qemu_get_peer(ncs, n->max_qps);
         }
         vhost_net_stop_one(get_vhost_net(peer), dev);
     }
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 614660274c..36bd197087 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -54,7 +54,7 @@
 #define VIRTIO_NET_RX_QUEUE_DEFAULT_SIZE 256
 #define VIRTIO_NET_TX_QUEUE_DEFAULT_SIZE 256
 
-/* for now, only allow larger queues; with virtio-1, guest can downsize */
+/* for now, only allow larger qps; with virtio-1, guest can downsize */
 #define VIRTIO_NET_RX_QUEUE_MIN_SIZE VIRTIO_NET_RX_QUEUE_DEFAULT_SIZE
 #define VIRTIO_NET_TX_QUEUE_MIN_SIZE VIRTIO_NET_TX_QUEUE_DEFAULT_SIZE
 
@@ -131,7 +131,7 @@ static void virtio_net_get_config(VirtIODevice *vdev, 
uint8_t *config)
     int ret = 0;
     memset(&netcfg, 0 , sizeof(struct virtio_net_config));
     virtio_stw_p(vdev, &netcfg.status, n->status);
-    virtio_stw_p(vdev, &netcfg.max_virtqueue_pairs, n->max_queues);
+    virtio_stw_p(vdev, &netcfg.max_virtqueue_pairs, n->max_qps);
     virtio_stw_p(vdev, &netcfg.mtu, n->net_conf.mtu);
     memcpy(netcfg.mac, n->mac, ETH_ALEN);
     virtio_stl_p(vdev, &netcfg.speed, n->net_conf.speed);
@@ -243,7 +243,7 @@ static void virtio_net_vhost_status(VirtIONet *n, uint8_t 
status)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(n);
     NetClientState *nc = qemu_get_queue(n->nic);
-    int queues = n->multiqueue ? n->max_queues : 1;
+    int qps = n->multiqueue ? n->max_qps : 1;
 
     if (!get_vhost_net(nc->peer)) {
         return;
@@ -266,7 +266,7 @@ static void virtio_net_vhost_status(VirtIONet *n, uint8_t 
status)
         /* Any packets outstanding? Purge them to avoid touching rings
          * when vhost is running.
          */
-        for (i = 0;  i < queues; i++) {
+        for (i = 0;  i < qps; i++) {
             NetClientState *qnc = qemu_get_subqueue(n->nic, i);
 
             /* Purge both directions: TX and RX. */
@@ -285,14 +285,14 @@ static void virtio_net_vhost_status(VirtIONet *n, uint8_t 
status)
         }
 
         n->vhost_started = 1;
-        r = vhost_net_start(vdev, n->nic->ncs, queues, 0);
+        r = vhost_net_start(vdev, n->nic->ncs, qps, 0);
         if (r < 0) {
             error_report("unable to start vhost net: %d: "
                          "falling back on userspace virtio", -r);
             n->vhost_started = 0;
         }
     } else {
-        vhost_net_stop(vdev, n->nic->ncs, queues, 0);
+        vhost_net_stop(vdev, n->nic->ncs, qps, 0);
         n->vhost_started = 0;
     }
 }
@@ -309,11 +309,11 @@ static int virtio_net_set_vnet_endian_one(VirtIODevice 
*vdev,
 }
 
 static bool virtio_net_set_vnet_endian(VirtIODevice *vdev, NetClientState *ncs,
-                                       int queues, bool enable)
+                                       int qps, bool enable)
 {
     int i;
 
-    for (i = 0; i < queues; i++) {
+    for (i = 0; i < qps; i++) {
         if (virtio_net_set_vnet_endian_one(vdev, ncs[i].peer, enable) < 0 &&
             enable) {
             while (--i >= 0) {
@@ -330,7 +330,7 @@ static bool virtio_net_set_vnet_endian(VirtIODevice *vdev, 
NetClientState *ncs,
 static void virtio_net_vnet_endian_status(VirtIONet *n, uint8_t status)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(n);
-    int queues = n->multiqueue ? n->max_queues : 1;
+    int qps = n->multiqueue ? n->max_qps : 1;
 
     if (virtio_net_started(n, status)) {
         /* Before using the device, we tell the network backend about the
@@ -339,14 +339,14 @@ static void virtio_net_vnet_endian_status(VirtIONet *n, 
uint8_t status)
          * virtio-net code.
          */
         n->needs_vnet_hdr_swap = virtio_net_set_vnet_endian(vdev, n->nic->ncs,
-                                                            queues, true);
+                                                            qps, true);
     } else if (virtio_net_started(n, vdev->status)) {
         /* After using the device, we need to reset the network backend to
          * the default (guest native endianness), otherwise the guest may
          * lose network connectivity if it is rebooted into a different
          * endianness.
          */
-        virtio_net_set_vnet_endian(vdev, n->nic->ncs, queues, false);
+        virtio_net_set_vnet_endian(vdev, n->nic->ncs, qps, false);
     }
 }
 
@@ -368,12 +368,12 @@ static void virtio_net_set_status(struct VirtIODevice 
*vdev, uint8_t status)
     virtio_net_vnet_endian_status(n, status);
     virtio_net_vhost_status(n, status);
 
-    for (i = 0; i < n->max_queues; i++) {
+    for (i = 0; i < n->max_qps; i++) {
         NetClientState *ncs = qemu_get_subqueue(n->nic, i);
         bool queue_started;
         q = &n->vqs[i];
 
-        if ((!n->multiqueue && i != 0) || i >= n->curr_queues) {
+        if ((!n->multiqueue && i != 0) || i >= n->curr_qps) {
             queue_status = 0;
         } else {
             queue_status = status;
@@ -540,7 +540,7 @@ static void virtio_net_reset(VirtIODevice *vdev)
     n->nouni = 0;
     n->nobcast = 0;
     /* multiqueue is disabled by default */
-    n->curr_queues = 1;
+    n->curr_qps = 1;
     timer_del(n->announce_timer.tm);
     n->announce_timer.round = 0;
     n->status &= ~VIRTIO_NET_S_ANNOUNCE;
@@ -556,7 +556,7 @@ static void virtio_net_reset(VirtIODevice *vdev)
     memset(n->vlans, 0, MAX_VLAN >> 3);
 
     /* Flush any async TX */
-    for (i = 0;  i < n->max_queues; i++) {
+    for (i = 0;  i < n->max_qps; i++) {
         NetClientState *nc = qemu_get_subqueue(n->nic, i);
 
         if (nc->peer) {
@@ -610,7 +610,7 @@ static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int 
mergeable_rx_bufs,
             sizeof(struct virtio_net_hdr);
     }
 
-    for (i = 0; i < n->max_queues; i++) {
+    for (i = 0; i < n->max_qps; i++) {
         nc = qemu_get_subqueue(n->nic, i);
 
         if (peer_has_vnet_hdr(n) &&
@@ -655,7 +655,7 @@ static int peer_attach(VirtIONet *n, int index)
         return 0;
     }
 
-    if (n->max_queues == 1) {
+    if (n->max_qps == 1) {
         return 0;
     }
 
@@ -681,7 +681,7 @@ static int peer_detach(VirtIONet *n, int index)
     return tap_disable(nc->peer);
 }
 
-static void virtio_net_set_queues(VirtIONet *n)
+static void virtio_net_set_qps(VirtIONet *n)
 {
     int i;
     int r;
@@ -690,8 +690,8 @@ static void virtio_net_set_queues(VirtIONet *n)
         return;
     }
 
-    for (i = 0; i < n->max_queues; i++) {
-        if (i < n->curr_queues) {
+    for (i = 0; i < n->max_qps; i++) {
+        if (i < n->curr_qps) {
             r = peer_attach(n, i);
             assert(!r);
         } else {
@@ -920,7 +920,7 @@ static void virtio_net_set_features(VirtIODevice *vdev, 
uint64_t features)
         virtio_net_apply_guest_offloads(n);
     }
 
-    for (i = 0;  i < n->max_queues; i++) {
+    for (i = 0;  i < n->max_qps; i++) {
         NetClientState *nc = qemu_get_subqueue(n->nic, i);
 
         if (!get_vhost_net(nc->peer)) {
@@ -1247,7 +1247,7 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     VirtIODevice *vdev = VIRTIO_DEVICE(n);
     struct virtio_net_rss_config cfg;
     size_t s, offset = 0, size_get;
-    uint16_t queues, i;
+    uint16_t qps, i;
     struct {
         uint16_t us;
         uint8_t b;
@@ -1289,7 +1289,7 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     }
     n->rss_data.default_queue = do_rss ?
         virtio_lduw_p(vdev, &cfg.unclassified_queue) : 0;
-    if (n->rss_data.default_queue >= n->max_queues) {
+    if (n->rss_data.default_queue >= n->max_qps) {
         err_msg = "Invalid default queue";
         err_value = n->rss_data.default_queue;
         goto error;
@@ -1318,14 +1318,14 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     size_get = sizeof(temp);
     s = iov_to_buf(iov, iov_cnt, offset, &temp, size_get);
     if (s != size_get) {
-        err_msg = "Can't get queues";
+        err_msg = "Can't get qps";
         err_value = (uint32_t)s;
         goto error;
     }
-    queues = do_rss ? virtio_lduw_p(vdev, &temp.us) : n->curr_queues;
-    if (queues == 0 || queues > n->max_queues) {
-        err_msg = "Invalid number of queues";
-        err_value = queues;
+    qps = do_rss ? virtio_lduw_p(vdev, &temp.us) : n->curr_qps;
+    if (qps == 0 || qps > n->max_qps) {
+        err_msg = "Invalid number of qps";
+        err_value = qps;
         goto error;
     }
     if (temp.b > VIRTIO_NET_RSS_MAX_KEY_SIZE) {
@@ -1340,7 +1340,7 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     }
     if (!temp.b && !n->rss_data.hash_types) {
         virtio_net_disable_rss(n);
-        return queues;
+        return qps;
     }
     offset += size_get;
     size_get = temp.b;
@@ -1373,7 +1373,7 @@ static uint16_t virtio_net_handle_rss(VirtIONet *n,
     trace_virtio_net_rss_enable(n->rss_data.hash_types,
                                 n->rss_data.indirections_len,
                                 temp.b);
-    return queues;
+    return qps;
 error:
     trace_virtio_net_rss_error(err_msg, err_value);
     virtio_net_disable_rss(n);
@@ -1384,15 +1384,15 @@ static int virtio_net_handle_mq(VirtIONet *n, uint8_t 
cmd,
                                 struct iovec *iov, unsigned int iov_cnt)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(n);
-    uint16_t queues;
+    uint16_t qps;
 
     virtio_net_disable_rss(n);
     if (cmd == VIRTIO_NET_CTRL_MQ_HASH_CONFIG) {
-        queues = virtio_net_handle_rss(n, iov, iov_cnt, false);
-        return queues ? VIRTIO_NET_OK : VIRTIO_NET_ERR;
+        qps = virtio_net_handle_rss(n, iov, iov_cnt, false);
+        return qps ? VIRTIO_NET_OK : VIRTIO_NET_ERR;
     }
     if (cmd == VIRTIO_NET_CTRL_MQ_RSS_CONFIG) {
-        queues = virtio_net_handle_rss(n, iov, iov_cnt, true);
+        qps = virtio_net_handle_rss(n, iov, iov_cnt, true);
     } else if (cmd == VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET) {
         struct virtio_net_ctrl_mq mq;
         size_t s;
@@ -1403,24 +1403,24 @@ static int virtio_net_handle_mq(VirtIONet *n, uint8_t 
cmd,
         if (s != sizeof(mq)) {
             return VIRTIO_NET_ERR;
         }
-        queues = virtio_lduw_p(vdev, &mq.virtqueue_pairs);
+        qps = virtio_lduw_p(vdev, &mq.virtqueue_pairs);
 
     } else {
         return VIRTIO_NET_ERR;
     }
 
-    if (queues < VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN ||
-        queues > VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX ||
-        queues > n->max_queues ||
+    if (qps < VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN ||
+        qps > VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX ||
+        qps > n->max_qps ||
         !n->multiqueue) {
         return VIRTIO_NET_ERR;
     }
 
-    n->curr_queues = queues;
-    /* stop the backend before changing the number of queues to avoid handling 
a
+    n->curr_qps = qps;
+    /* stop the backend before changing the number of qps to avoid handling a
      * disabled queue */
     virtio_net_set_status(vdev, vdev->status);
-    virtio_net_set_queues(n);
+    virtio_net_set_qps(n);
 
     return VIRTIO_NET_OK;
 }
@@ -1498,7 +1498,7 @@ static bool virtio_net_can_receive(NetClientState *nc)
         return false;
     }
 
-    if (nc->queue_index >= n->curr_queues) {
+    if (nc->queue_index >= n->curr_qps) {
         return false;
     }
 
@@ -2753,11 +2753,11 @@ static void virtio_net_del_queue(VirtIONet *n, int 
index)
     virtio_del_queue(vdev, index * 2 + 1);
 }
 
-static void virtio_net_change_num_queues(VirtIONet *n, int new_max_queues)
+static void virtio_net_change_num_qps(VirtIONet *n, int new_max_qps)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(n);
     int old_num_queues = virtio_get_num_queues(vdev);
-    int new_num_queues = new_max_queues * 2 + 1;
+    int new_num_queues = new_max_qps * 2 + 1;
     int i;
 
     assert(old_num_queues >= 3);
@@ -2790,12 +2790,12 @@ static void virtio_net_change_num_queues(VirtIONet *n, 
int new_max_queues)
 
 static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue)
 {
-    int max = multiqueue ? n->max_queues : 1;
+    int max = multiqueue ? n->max_qps : 1;
 
     n->multiqueue = multiqueue;
-    virtio_net_change_num_queues(n, max);
+    virtio_net_change_num_qps(n, max);
 
-    virtio_net_set_queues(n);
+    virtio_net_set_qps(n);
 }
 
 static int virtio_net_post_load_device(void *opaque, int version_id)
@@ -2828,7 +2828,7 @@ static int virtio_net_post_load_device(void *opaque, int 
version_id)
      */
     n->saved_guest_offloads = n->curr_guest_offloads;
 
-    virtio_net_set_queues(n);
+    virtio_net_set_qps(n);
 
     /* Find the first multicast entry in the saved MAC filter */
     for (i = 0; i < n->mac_table.in_use; i++) {
@@ -2841,7 +2841,7 @@ static int virtio_net_post_load_device(void *opaque, int 
version_id)
     /* nc.link_down can't be migrated, so infer link_down according
      * to link status bit in n->status */
     link_down = (n->status & VIRTIO_NET_S_LINK_UP) == 0;
-    for (i = 0; i < n->max_queues; i++) {
+    for (i = 0; i < n->max_qps; i++) {
         qemu_get_subqueue(n->nic, i)->link_down = link_down;
     }
 
@@ -2906,9 +2906,9 @@ static const VMStateDescription 
vmstate_virtio_net_queue_tx_waiting = {
    },
 };
 
-static bool max_queues_gt_1(void *opaque, int version_id)
+static bool max_qps_gt_1(void *opaque, int version_id)
 {
-    return VIRTIO_NET(opaque)->max_queues > 1;
+    return VIRTIO_NET(opaque)->max_qps > 1;
 }
 
 static bool has_ctrl_guest_offloads(void *opaque, int version_id)
@@ -2933,13 +2933,13 @@ static bool mac_table_doesnt_fit(void *opaque, int 
version_id)
 struct VirtIONetMigTmp {
     VirtIONet      *parent;
     VirtIONetQueue *vqs_1;
-    uint16_t        curr_queues_1;
+    uint16_t        curr_qps_1;
     uint8_t         has_ufo;
     uint32_t        has_vnet_hdr;
 };
 
 /* The 2nd and subsequent tx_waiting flags are loaded later than
- * the 1st entry in the queues and only if there's more than one
+ * the 1st entry in the qps and only if there's more than one
  * entry.  We use the tmp mechanism to calculate a temporary
  * pointer and count and also validate the count.
  */
@@ -2949,9 +2949,9 @@ static int virtio_net_tx_waiting_pre_save(void *opaque)
     struct VirtIONetMigTmp *tmp = opaque;
 
     tmp->vqs_1 = tmp->parent->vqs + 1;
-    tmp->curr_queues_1 = tmp->parent->curr_queues - 1;
-    if (tmp->parent->curr_queues == 0) {
-        tmp->curr_queues_1 = 0;
+    tmp->curr_qps_1 = tmp->parent->curr_qps - 1;
+    if (tmp->parent->curr_qps == 0) {
+        tmp->curr_qps_1 = 0;
     }
 
     return 0;
@@ -2964,9 +2964,9 @@ static int virtio_net_tx_waiting_pre_load(void *opaque)
     /* Reuse the pointer setup from save */
     virtio_net_tx_waiting_pre_save(opaque);
 
-    if (tmp->parent->curr_queues > tmp->parent->max_queues) {
-        error_report("virtio-net: curr_queues %x > max_queues %x",
-            tmp->parent->curr_queues, tmp->parent->max_queues);
+    if (tmp->parent->curr_qps > tmp->parent->max_qps) {
+        error_report("virtio-net: curr_qps %x > max_qps %x",
+            tmp->parent->curr_qps, tmp->parent->max_qps);
 
         return -EINVAL;
     }
@@ -2980,7 +2980,7 @@ static const VMStateDescription 
vmstate_virtio_net_tx_waiting = {
     .pre_save  = virtio_net_tx_waiting_pre_save,
     .fields    = (VMStateField[]) {
         VMSTATE_STRUCT_VARRAY_POINTER_UINT16(vqs_1, struct VirtIONetMigTmp,
-                                     curr_queues_1,
+                                     curr_qps_1,
                                      vmstate_virtio_net_queue_tx_waiting,
                                      struct VirtIONetQueue),
         VMSTATE_END_OF_LIST()
@@ -3122,9 +3122,9 @@ static const VMStateDescription vmstate_virtio_net_device 
= {
         VMSTATE_UINT8(nobcast, VirtIONet),
         VMSTATE_WITH_TMP(VirtIONet, struct VirtIONetMigTmp,
                          vmstate_virtio_net_has_ufo),
-        VMSTATE_SINGLE_TEST(max_queues, VirtIONet, max_queues_gt_1, 0,
+        VMSTATE_SINGLE_TEST(max_qps, VirtIONet, max_qps_gt_1, 0,
                             vmstate_info_uint16_equal, uint16_t),
-        VMSTATE_UINT16_TEST(curr_queues, VirtIONet, max_queues_gt_1),
+        VMSTATE_UINT16_TEST(curr_qps, VirtIONet, max_qps_gt_1),
         VMSTATE_WITH_TMP(VirtIONet, struct VirtIONetMigTmp,
                          vmstate_virtio_net_tx_waiting),
         VMSTATE_UINT64_TEST(curr_guest_offloads, VirtIONet,
@@ -3367,16 +3367,16 @@ static void virtio_net_device_realize(DeviceState *dev, 
Error **errp)
         return;
     }
 
-    n->max_queues = MAX(n->nic_conf.peers.queues, 1);
-    if (n->max_queues * 2 + 1 > VIRTIO_QUEUE_MAX) {
-        error_setg(errp, "Invalid number of queues (= %" PRIu32 "), "
+    n->max_qps = MAX(n->nic_conf.peers.queues, 1);
+    if (n->max_qps * 2 + 1 > VIRTIO_QUEUE_MAX) {
+        error_setg(errp, "Invalid number of qps (= %" PRIu32 "), "
                    "must be a positive integer less than %d.",
-                   n->max_queues, (VIRTIO_QUEUE_MAX - 1) / 2);
+                   n->max_qps, (VIRTIO_QUEUE_MAX - 1) / 2);
         virtio_cleanup(vdev);
         return;
     }
-    n->vqs = g_malloc0(sizeof(VirtIONetQueue) * n->max_queues);
-    n->curr_queues = 1;
+    n->vqs = g_malloc0(sizeof(VirtIONetQueue) * n->max_qps);
+    n->curr_qps = 1;
     n->tx_timeout = n->net_conf.txtimer;
 
     if (n->net_conf.tx && strcmp(n->net_conf.tx, "timer")
@@ -3390,7 +3390,7 @@ static void virtio_net_device_realize(DeviceState *dev, 
Error **errp)
     n->net_conf.tx_queue_size = MIN(virtio_net_max_tx_queue_size(n),
                                     n->net_conf.tx_queue_size);
 
-    for (i = 0; i < n->max_queues; i++) {
+    for (i = 0; i < n->max_qps; i++) {
         virtio_net_add_queue(n, i);
     }
 
@@ -3414,13 +3414,13 @@ static void virtio_net_device_realize(DeviceState *dev, 
Error **errp)
                               object_get_typename(OBJECT(dev)), dev->id, n);
     }
 
-    for (i = 0; i < n->max_queues; i++) {
+    for (i = 0; i < n->max_qps; i++) {
         n->nic->ncs[i].do_not_pad = true;
     }
 
     peer_test_vnet_hdr(n);
     if (peer_has_vnet_hdr(n)) {
-        for (i = 0; i < n->max_queues; i++) {
+        for (i = 0; i < n->max_qps; i++) {
             qemu_using_vnet_hdr(qemu_get_subqueue(n->nic, i)->peer, true);
         }
         n->host_hdr_len = sizeof(struct virtio_net_hdr);
@@ -3462,7 +3462,7 @@ static void virtio_net_device_unrealize(DeviceState *dev)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIONet *n = VIRTIO_NET(dev);
-    int i, max_queues;
+    int i, max_qps;
 
     if (virtio_has_feature(n->host_features, VIRTIO_NET_F_RSS)) {
         virtio_net_unload_ebpf(n);
@@ -3484,12 +3484,12 @@ static void virtio_net_device_unrealize(DeviceState 
*dev)
         remove_migration_state_change_notifier(&n->migration_state);
     }
 
-    max_queues = n->multiqueue ? n->max_queues : 1;
-    for (i = 0; i < max_queues; i++) {
+    max_qps = n->multiqueue ? n->max_qps : 1;
+    for (i = 0; i < max_qps; i++) {
         virtio_net_del_queue(n, i);
     }
     /* delete also control vq */
-    virtio_del_queue(vdev, max_queues * 2);
+    virtio_del_queue(vdev, max_qps * 2);
     qemu_announce_timer_del(&n->announce_timer, false);
     g_free(n->vqs);
     qemu_del_nic(n->nic);
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h
index 824a69c23f..a9b6dc252e 100644
--- a/include/hw/virtio/virtio-net.h
+++ b/include/hw/virtio/virtio-net.h
@@ -194,8 +194,8 @@ struct VirtIONet {
     NICConf nic_conf;
     DeviceState *qdev;
     int multiqueue;
-    uint16_t max_queues;
-    uint16_t curr_queues;
+    uint16_t max_qps;
+    uint16_t curr_qps;
     size_t config_size;
     char *netclient_name;
     char *netclient_type;
-- 
2.25.1




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