net: hns3: add support for ETHTOOL_GRXFH

This patch add support for ethtool's ETHTOOL_GRXFH in hns3_get_rxnfc().

Signed-off-by: Lipeng <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index d952d62..575f50d 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -341,6 +341,8 @@ struct hnae3_ae_ops {
                       const u8 *key, const u8 hfunc);
        int (*set_rss_tuple)(struct hnae3_handle *handle,
                             struct ethtool_rxnfc *cmd);
+       int (*get_rss_tuple)(struct hnae3_handle *handle,
+                            struct ethtool_rxnfc *cmd);
 
        int (*get_tc_size)(struct hnae3_handle *handle);
 

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 5b5e52c..c322b45 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2767,6 +2767,69 @@ static int hclge_set_rss_tuple(struct hnae3_handle *handle,
        return ret;
 }
 
+static int hclge_get_rss_tuple(struct hnae3_handle *handle,
+                              struct ethtool_rxnfc *nfc)
+{
+       struct hclge_vport *vport = hclge_get_vport(handle);
+       struct hclge_dev *hdev = vport->back;
+       struct hclge_rss_input_tuple_cmd *req;
+       struct hclge_desc desc;
+       u8 tuple_sets;
+       int ret;
+
+       nfc->data = 0;
+
+       req = (struct hclge_rss_input_tuple_cmd *)desc.data;
+       hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RSS_INPUT_TUPLE, true);
+       ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+       if (ret) {
+               dev_err(&hdev->pdev->dev,
+                       "Read rss tuple fail, status = %d\n", ret);
+               return ret;
+       }
+
+       switch (nfc->flow_type) {
+       case TCP_V4_FLOW:
+               tuple_sets = req->ipv4_tcp_en;
+               break;
+       case UDP_V4_FLOW:
+               tuple_sets = req->ipv4_udp_en;
+               break;
+       case TCP_V6_FLOW:
+               tuple_sets = req->ipv6_tcp_en;
+               break;
+       case UDP_V6_FLOW:
+               tuple_sets = req->ipv6_udp_en;
+               break;
+       case SCTP_V4_FLOW:
+               tuple_sets = req->ipv4_sctp_en;
+               break;
+       case SCTP_V6_FLOW:
+               tuple_sets = req->ipv6_sctp_en;
+               break;
+       case IPV4_FLOW:
+       case IPV6_FLOW:
+               tuple_sets = HCLGE_S_IP_BIT | HCLGE_D_IP_BIT;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (!tuple_sets)
+               return 0;
+
+       if (tuple_sets & HCLGE_D_PORT_BIT)
+               nfc->data |= RXH_L4_B_2_3;
+       if (tuple_sets & HCLGE_S_PORT_BIT)
+               nfc->data |= RXH_L4_B_0_1;
+       if (tuple_sets & HCLGE_D_IP_BIT)
+               nfc->data |= RXH_IP_DST;
+       if (tuple_sets & HCLGE_S_IP_BIT)
+               nfc->data |= RXH_IP_SRC;
+
+       return 0;
+}
+
 static int hclge_get_tc_size(struct hnae3_handle *handle)
 {
        struct hclge_vport *vport = hclge_get_vport(handle);
@@ -4435,6 +4498,7 @@ static const struct hnae3_ae_ops hclge_ops = {
        .get_rss = hclge_get_rss,
        .set_rss = hclge_set_rss,
        .set_rss_tuple = hclge_set_rss_tuple,
+       .get_rss_tuple = hclge_get_rss_tuple,
        .get_tc_size = hclge_get_tc_size,
        .get_mac_addr = hclge_get_mac_addr,
        .set_mac_addr = hclge_set_mac_addr,

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
index f0e88e0..b64fbd3 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_ethtool.c
@@ -452,6 +452,8 @@ static int hns3_get_rxnfc(struct net_device *netdev,
        case ETHTOOL_GRXRINGS:
                cmd->data = h->ae_algo->ops->get_tc_size(h);
                break;
+       case ETHTOOL_GRXFH:
+               return h->ae_algo->ops->get_rss_tuple(h, cmd);
        default:
                return -EOPNOTSUPP;
        }