/* Set no of Tx, Rx queues to be used */
static int nicvf_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct nicvf *nic = netdev_priv(dev);
int err = 0;
bool if_up = netif_running(dev);
if (!channel->rx_count || !channel->tx_count)
return -EINVAL;
if (channel->rx_count > MAX_RCV_QUEUES_PER_QS)
return -EINVAL;
if (channel->tx_count > MAX_SND_QUEUES_PER_QS)
return -EINVAL;
if (if_up)
nicvf_stop(dev);
nic->qs->rq_cnt = channel->rx_count;
nic->qs->sq_cnt = channel->tx_count;
nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
err = nicvf_set_real_num_queues(dev, nic->qs->sq_cnt, nic->qs->rq_cnt);
if (err)
return err;
if (if_up)
nicvf_open(dev);
netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
nic->qs->sq_cnt, nic->qs->rq_cnt);
return err;
}
/* Set no of Tx, Rx queues to be used */
static int nicvf_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct nicvf *nic = netdev_priv(dev);
int err = 0;
bool if_up = netif_running(dev);
u8 cqcount, txq_count;
if (!channel->rx_count || !channel->tx_count)
return -EINVAL;
if (channel->rx_count > nic->max_queues)
return -EINVAL;
if (channel->tx_count > nic->max_queues)
return -EINVAL;
if (nic->xdp_prog &&
((channel->tx_count + channel->rx_count) > nic->max_queues)) {
netdev_err(nic->netdev,
"XDP mode, RXQs + TXQs > Max %d\n",
nic->max_queues);
return -EINVAL;
}
if (if_up)
nicvf_stop(dev);
nic->rx_queues = channel->rx_count;
nic->tx_queues = channel->tx_count;
if (!nic->xdp_prog)
nic->xdp_tx_queues = 0;
else
nic->xdp_tx_queues = channel->rx_count;
txq_count = nic->xdp_tx_queues + nic->tx_queues;
cqcount = max(nic->rx_queues, txq_count);
if (cqcount > MAX_CMP_QUEUES_PER_QS) {
nic->sqs_count = roundup(cqcount, MAX_CMP_QUEUES_PER_QS);
nic->sqs_count = (nic->sqs_count / MAX_CMP_QUEUES_PER_QS) - 1;
} else {
nic->sqs_count = 0;
}
nic->qs->rq_cnt = min_t(u8, nic->rx_queues, MAX_RCV_QUEUES_PER_QS);
nic->qs->sq_cnt = min_t(u8, txq_count, MAX_SND_QUEUES_PER_QS);
nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
err = nicvf_set_real_num_queues(dev, nic->tx_queues, nic->rx_queues);
if (err)
return err;
if (if_up)
nicvf_open(dev);
netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
nic->tx_queues, nic->rx_queues);
return err;
}
/* Set no of Tx, Rx queues to be used */
static int nicvf_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct nicvf *nic = netdev_priv(dev);
int err = 0;
bool if_up = netif_running(dev);
int cqcount;
if (!channel->rx_count || !channel->tx_count)
return -EINVAL;
if (channel->rx_count > nic->max_queues)
return -EINVAL;
if (channel->tx_count > nic->max_queues)
return -EINVAL;
if (if_up)
nicvf_stop(dev);
cqcount = max(channel->rx_count, channel->tx_count);
if (cqcount > MAX_CMP_QUEUES_PER_QS) {
nic->sqs_count = roundup(cqcount, MAX_CMP_QUEUES_PER_QS);
nic->sqs_count = (nic->sqs_count / MAX_CMP_QUEUES_PER_QS) - 1;
} else {
nic->sqs_count = 0;
}
nic->qs->rq_cnt = min_t(u32, channel->rx_count, MAX_RCV_QUEUES_PER_QS);
nic->qs->sq_cnt = min_t(u32, channel->tx_count, MAX_SND_QUEUES_PER_QS);
nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
nic->rx_queues = channel->rx_count;
nic->tx_queues = channel->tx_count;
err = nicvf_set_real_num_queues(dev, nic->tx_queues, nic->rx_queues);
if (err)
return err;
if (if_up)
nicvf_open(dev);
netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
nic->tx_queues, nic->rx_queues);
return err;
}
