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net: hns3: add ethtool_ops.get_channels support for VF 

This patch supports the ethtool's get_channels() for VF.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2018-01-12 16:23:07 +08:00 committed by David S. Miller
parent 19d28fbd30
commit 849e460776
2 changed files with 31 additions and 0 deletions
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1
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
View File

@ -900,6 +900,7 @@ static const struct ethtool_ops hns3vf_ethtool_ops = {
.get_rxfh = hns3_get_rss, .get_rxfh = hns3_get_rss,
.set_rxfh = hns3_set_rss, .set_rxfh = hns3_set_rss,
.get_link_ksettings = hns3_get_link_ksettings, .get_link_ksettings = hns3_get_link_ksettings,
.get_channels = hns3_get_channels,
}; };
static const struct ethtool_ops hns3_ethtool_ops = { static const struct ethtool_ops hns3_ethtool_ops = {

30
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View File

@ -1433,6 +1433,35 @@ static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
ae_dev->priv = NULL; ae_dev->priv = NULL;
} }
static u32 hclgevf_get_max_channels(struct hclgevf_dev *hdev)
{
struct hnae3_handle *nic = &hdev->nic;
struct hnae3_knic_private_info *kinfo = &nic->kinfo;
return min_t(u32, hdev->rss_size_max * kinfo->num_tc, hdev->num_tqps);
}
/**
* hclgevf_get_channels - Get the current channels enabled and max supported.
* @handle: hardware information for network interface
* @ch: ethtool channels structure
*
* We don't support separate tx and rx queues as channels. The other count
* represents how many queues are being used for control. max_combined counts
* how many queue pairs we can support. They may not be mapped 1 to 1 with
* q_vectors since we support a lot more queue pairs than q_vectors.
**/
static void hclgevf_get_channels(struct hnae3_handle *handle,
struct ethtool_channels *ch)
{
struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
ch->max_combined = hclgevf_get_max_channels(hdev);
ch->other_count = 0;
ch->max_other = 0;
ch->combined_count = hdev->num_tqps;
}
static const struct hnae3_ae_ops hclgevf_ops = { static const struct hnae3_ae_ops hclgevf_ops = {
.init_ae_dev = hclgevf_init_ae_dev, .init_ae_dev = hclgevf_init_ae_dev,
.uninit_ae_dev = hclgevf_uninit_ae_dev, .uninit_ae_dev = hclgevf_uninit_ae_dev,
@ -1462,6 +1491,7 @@ static const struct hnae3_ae_ops hclgevf_ops = {
.get_tc_size = hclgevf_get_tc_size, .get_tc_size = hclgevf_get_tc_size,
.get_fw_version = hclgevf_get_fw_version, .get_fw_version = hclgevf_get_fw_version,
.set_vlan_filter = hclgevf_set_vlan_filter, .set_vlan_filter = hclgevf_set_vlan_filter,
.get_channels = hclgevf_get_channels,
}; };
static struct hnae3_ae_algo ae_algovf = { static struct hnae3_ae_algo ae_algovf = {