d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/iavf: enable multiple queues configuration for large VF

Browse Source 
Since the adminq buffer size has a 4K limitation, the current virtchnl
command VIRTCHNL_OP_CONFIG_VSI_QUEUES cannot send the message only once
to configure up to 256 queues. In this patch, we send the messages
multiple times to make sure that the buffer size is less than 4K each
time.

Signed-off-by: Ting Xu <ting.xu@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
This commit is contained in:
Ting Xu 2020-10-22 14:49:00 +08:00 committed by Ferruh Yigit
parent e436cd4383
commit 9a7695b227
3 changed files with 26 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/iavf/iavf.h
View File

@ -21,6 +21,7 @@
#define IAVF_MAX_NUM_QUEUES_DFLT 16
#define IAVF_MAX_NUM_QUEUES_LV 256
#define IAVF_CFG_Q_NUM_PER_BUF 32
#define IAVF_NUM_MACADDR_MAX 64
@ -269,7 +270,8 @@ int iavf_enable_queues(struct iavf_adapter *adapter);
int iavf_disable_queues(struct iavf_adapter *adapter);
int iavf_configure_rss_lut(struct iavf_adapter *adapter);
int iavf_configure_rss_key(struct iavf_adapter *adapter);
int iavf_configure_queues(struct iavf_adapter *adapter);
int iavf_configure_queues(struct iavf_adapter *adapter,
uint16_t num_queue_pairs, uint16_t index);
int iavf_get_supported_rxdid(struct iavf_adapter *adapter);
int iavf_config_irq_map(struct iavf_adapter *adapter);
void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);

18
drivers/net/iavf/iavf_ethdev.c
View File

@ -564,6 +564,8 @@ iavf_dev_start(struct rte_eth_dev *dev)
IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct rte_intr_handle *intr_handle = dev->intr_handle;
uint16_t num_queue_pairs;
uint16_t index = 0;
PMD_INIT_FUNC_TRACE();
@ -572,13 +574,27 @@ iavf_dev_start(struct rte_eth_dev *dev)
vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
num_queue_pairs = vf->num_queue_pairs;
if (iavf_init_queues(dev) != 0) {
PMD_DRV_LOG(ERR, "failed to do Queue init");
return -1;
}
if (iavf_configure_queues(adapter) != 0) {
/* If needed, send configure queues msg multiple times to make the
* adminq buffer length smaller than the 4K limitation.
*/
while (num_queue_pairs > IAVF_CFG_Q_NUM_PER_BUF) {
if (iavf_configure_queues(adapter,
IAVF_CFG_Q_NUM_PER_BUF, index) != 0) {
PMD_DRV_LOG(ERR, "configure queues failed");
goto err_queue;
}
num_queue_pairs -= IAVF_CFG_Q_NUM_PER_BUF;
index += IAVF_CFG_Q_NUM_PER_BUF;
}
if (iavf_configure_queues(adapter, num_queue_pairs, index) != 0) {
PMD_DRV_LOG(ERR, "configure queues failed");
goto err_queue;
}

11
drivers/net/iavf/iavf_vchnl.c
View File

@ -673,7 +673,8 @@ iavf_configure_rss_key(struct iavf_adapter *adapter)
}
int
iavf_configure_queues(struct iavf_adapter *adapter)
iavf_configure_queues(struct iavf_adapter *adapter,
uint16_t num_queue_pairs, uint16_t index)
{
struct iavf_rx_queue **rxq =
(struct iavf_rx_queue **)adapter->eth_dev->data->rx_queues;
@ -687,16 +688,16 @@ iavf_configure_queues(struct iavf_adapter *adapter)
int err;
size = sizeof(*vc_config) +
sizeof(vc_config->qpair[0]) * vf->num_queue_pairs;
sizeof(vc_config->qpair[0]) * num_queue_pairs;
vc_config = rte_zmalloc("cfg_queue", size, 0);
if (!vc_config)
return -ENOMEM;
vc_config->vsi_id = vf->vsi_res->vsi_id;
vc_config->num_queue_pairs = vf->num_queue_pairs;
vc_config->num_queue_pairs = num_queue_pairs;
for (i = 0, vc_qp = vc_config->qpair;
i < vf->num_queue_pairs;
for (i = index, vc_qp = vc_config->qpair;
i < index + num_queue_pairs;
i++, vc_qp++) {
vc_qp->txq.vsi_id = vf->vsi_res->vsi_id;
vc_qp->txq.queue_id = i;