From 849e460776898e465e2d3e27a34399fb1adc0061 Mon Sep 17 00:00:00 2001 From: Peng Li Date: Fri, 12 Jan 2018 16:23:07 +0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- .../ethernet/hisilicon/hns3/hns3_ethtool.c | 1 + .../hisilicon/hns3/hns3vf/hclgevf_main.c | 30 +++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index d3cb3ec2c62b..f44336c6acb8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -900,6 +900,7 @@ static const struct ethtool_ops hns3vf_ethtool_ops = { .get_rxfh = hns3_get_rss, .set_rxfh = hns3_set_rss, .get_link_ksettings = hns3_get_link_ksettings, + .get_channels = hns3_get_channels, }; static const struct ethtool_ops hns3_ethtool_ops = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 655f522e44aa..5f9afa63b1b9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1433,6 +1433,35 @@ static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev) 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 = { .init_ae_dev = hclgevf_init_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_fw_version = hclgevf_get_fw_version, .set_vlan_filter = hclgevf_set_vlan_filter, + .get_channels = hclgevf_get_channels, }; static struct hnae3_ae_algo ae_algovf = { -- 2.20.1