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authorGuangbin Huang <huangguangbin2@huawei.com>2021-08-28 14:55:17 +0800
committerDavid S. Miller <davem@davemloft.net>2021-08-28 11:20:05 +0100
commit81414ba71356b174d62370195a2bb99592e1b2a2 (patch)
tree3bc75783b55a11045b3f431310b181715a9b6c0b /drivers/net/ethernet/hisilicon/hns3/hns3vf
parentnet: hns3: refactor function hclge_parse_capability() (diff)
downloadlinux-dev-81414ba71356b174d62370195a2bb99592e1b2a2.tar.xz
linux-dev-81414ba71356b174d62370195a2bb99592e1b2a2.zip
net: hns3: refactor function hclgevf_parse_capability()
The function hclgevf_parse_capability() will add more if statement in the future, to improve code readability, maintainability and simplicity, refactor this function by using a bit mapping array of IMP capabilities and driver capabilities. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c27
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h6
2 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
index d9ddb0a243d4..3c2600315f97 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -342,25 +342,26 @@ static void hclgevf_set_default_capability(struct hclgevf_dev *hdev)
set_bit(HNAE3_DEV_SUPPORT_FEC_B, ae_dev->caps);
}
+const struct hclgevf_caps_bit_map hclgevf_cmd_caps_bit_map0[] = {
+ {HCLGEVF_CAP_UDP_GSO_B, HNAE3_DEV_SUPPORT_UDP_GSO_B},
+ {HCLGEVF_CAP_INT_QL_B, HNAE3_DEV_SUPPORT_INT_QL_B},
+ {HCLGEVF_CAP_TQP_TXRX_INDEP_B, HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B},
+ {HCLGEVF_CAP_HW_TX_CSUM_B, HNAE3_DEV_SUPPORT_HW_TX_CSUM_B},
+ {HCLGEVF_CAP_UDP_TUNNEL_CSUM_B, HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B},
+ {HCLGEVF_CAP_RXD_ADV_LAYOUT_B, HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B},
+};
+
static void hclgevf_parse_capability(struct hclgevf_dev *hdev,
struct hclgevf_query_version_cmd *cmd)
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
- u32 caps;
+ u32 caps, i;
caps = __le32_to_cpu(cmd->caps[0]);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_UDP_GSO_B))
- set_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_INT_QL_B))
- set_bit(HNAE3_DEV_SUPPORT_INT_QL_B, ae_dev->caps);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_TQP_TXRX_INDEP_B))
- set_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, ae_dev->caps);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_HW_TX_CSUM_B))
- set_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_UDP_TUNNEL_CSUM_B))
- set_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps);
- if (hnae3_get_bit(caps, HCLGEVF_CAP_RXD_ADV_LAYOUT_B))
- set_bit(HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, ae_dev->caps);
+ for (i = 0; i < ARRAY_SIZE(hclgevf_cmd_caps_bit_map0); i++)
+ if (hnae3_get_bit(caps, hclgevf_cmd_caps_bit_map0[i].imp_bit))
+ set_bit(hclgevf_cmd_caps_bit_map0[i].local_bit,
+ ae_dev->caps);
}
static __le32 hclgevf_build_api_caps(void)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
index f6d6502f0389..39d0b589c720 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -296,6 +296,12 @@ struct hclgevf_dev_specs_1_cmd {
u8 rsv1[18];
};
+/* capabilities bits map between imp firmware and local driver */
+struct hclgevf_caps_bit_map {
+ u16 imp_bit;
+ u16 local_bit;
+};
+
static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value)
{
writel(value, base + reg);