https://bugs.dpdk.org/show_bug.cgi?id=1310
Bug ID: 1310
Summary: iavf : max_rtx_queues not true when network adaptor
not support large vf
Product: DPDK
Version: 22.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: yue...@ericsson.com
Target Milestone: ---
our app code use dev_info->max_tx_queues to check the max queue.
we get dev_info->max_rx_queues=265(IAVF_MAX_NUM_QUEUES_LV), but when we try to
requet 30 tx queue, we got iavf_dev_configure(): large VF is not supported.
by check code we find that :
max queue number of nomal vf is 16 (IAVF_MAX_NUM_QUEUES_DFLT).
may be the code need to change like this :
drivers/net/iavf/iavf_ethdev.c:
static int
iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct iavf_adapter *adapter =
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = &adapter->vf;
if (adapter->closed)
return -EIO;
dev_info->max_rx_queues = IAVF_MAX_NUM_QUEUES_LV;
dev_info->max_tx_queues = IAVF_MAX_NUM_QUEUES_LV;
+ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_LARGE_NUM_QPAIRS){
+ dev_info->max_rx_queues = IAVF_MAX_NUM_QUEUES_DFLT;
+ dev_info->max_tx_queues = IAVF_MAX_NUM_QUEUES_DFLT;
+ }
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