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authorHuazhong Tan <tanhuazhong@huawei.com>2020-11-16 16:20:52 +0800
committerJakub Kicinski <kuba@kernel.org>2020-11-17 11:39:20 -0800
commitab16b49cdf986172373afc16b4039f058aa3b22d (patch)
treeade65a35a1e498ccad5c0bc088d5376bae9447b9 /drivers/net/ethernet/hisilicon/hns3/hns3vf
parent91bfae25eedd981b384339c7b12bef9eeaba0f34 (diff)
downloadlinux-ab16b49cdf986172373afc16b4039f058aa3b22d.tar.gz
net: hns3: add support for querying maximum value of GL
For maintainability and compatibility, add support for querying the maximum value of GL. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3vf')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h8
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c6
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
index 9460c128c095..f94f5d443ebc 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -285,6 +285,14 @@ struct hclgevf_dev_specs_0_cmd {
u8 rsv1[5];
};
+#define HCLGEVF_DEF_MAX_INT_GL 0x1FE0U
+
+struct hclgevf_dev_specs_1_cmd {
+ __le32 rsv0;
+ __le16 max_int_gl;
+ u8 rsv1[18];
+};
+
static inline void hclgevf_write_reg(void __iomem *base, u32 reg, u32 value)
{
writel(value, base + reg);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 8209be98cb18..71007e74e9d2 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -2991,6 +2991,7 @@ static void hclgevf_set_default_dev_specs(struct hclgevf_dev *hdev)
HCLGEVF_MAX_NON_TSO_BD_NUM;
ae_dev->dev_specs.rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE;
ae_dev->dev_specs.rss_key_size = HCLGEVF_RSS_KEY_SIZE;
+ ae_dev->dev_specs.max_int_gl = HCLGEVF_DEF_MAX_INT_GL;
}
static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev,
@@ -2998,14 +2999,17 @@ static void hclgevf_parse_dev_specs(struct hclgevf_dev *hdev,
{
struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
struct hclgevf_dev_specs_0_cmd *req0;
+ struct hclgevf_dev_specs_1_cmd *req1;
req0 = (struct hclgevf_dev_specs_0_cmd *)desc[0].data;
+ req1 = (struct hclgevf_dev_specs_1_cmd *)desc[1].data;
ae_dev->dev_specs.max_non_tso_bd_num = req0->max_non_tso_bd_num;
ae_dev->dev_specs.rss_ind_tbl_size =
le16_to_cpu(req0->rss_ind_tbl_size);
ae_dev->dev_specs.int_ql_max = le16_to_cpu(req0->int_ql_max);
ae_dev->dev_specs.rss_key_size = le16_to_cpu(req0->rss_key_size);
+ ae_dev->dev_specs.max_int_gl = le16_to_cpu(req1->max_int_gl);
}
static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev)
@@ -3018,6 +3022,8 @@ static void hclgevf_check_dev_specs(struct hclgevf_dev *hdev)
dev_specs->rss_ind_tbl_size = HCLGEVF_RSS_IND_TBL_SIZE;
if (!dev_specs->rss_key_size)
dev_specs->rss_key_size = HCLGEVF_RSS_KEY_SIZE;
+ if (!dev_specs->max_int_gl)
+ dev_specs->max_int_gl = HCLGEVF_DEF_MAX_INT_GL;
}
static int hclgevf_query_dev_specs(struct hclgevf_dev *hdev)