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path: root/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index f6fdf93c8cad..f3e482ab3c71 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -1279,6 +1279,7 @@ static u32 hclge_get_max_speed(u16 speed_ability)
static void hclge_parse_cfg(struct hclge_cfg *cfg, struct hclge_desc *desc)
{
+#define HCLGE_TX_SPARE_SIZE_UNIT 4096
#define SPEED_ABILITY_EXT_SHIFT 8
struct hclge_cfg_param_cmd *req;
@@ -1358,6 +1359,15 @@ static void hclge_parse_cfg(struct hclge_cfg *cfg, struct hclge_desc *desc)
cfg->pf_rss_size_max = cfg->pf_rss_size_max ?
1U << cfg->pf_rss_size_max :
cfg->vf_rss_size_max;
+
+ /* The unit of the tx spare buffer size queried from configuration
+ * file is HCLGE_TX_SPARE_SIZE_UNIT(4096) bytes, so a conversion is
+ * needed here.
+ */
+ cfg->tx_spare_buf_size = hnae3_get_field(__le32_to_cpu(req->param[2]),
+ HCLGE_CFG_TX_SPARE_BUF_SIZE_M,
+ HCLGE_CFG_TX_SPARE_BUF_SIZE_S);
+ cfg->tx_spare_buf_size *= HCLGE_TX_SPARE_SIZE_UNIT;
}
/* hclge_get_cfg: query the static parameter from flash
@@ -1539,6 +1549,7 @@ static int hclge_configure(struct hclge_dev *hdev)
hdev->tc_max = cfg.tc_num;
hdev->tm_info.hw_pfc_map = 0;
hdev->wanted_umv_size = cfg.umv_space;
+ hdev->tx_spare_buf_size = cfg.tx_spare_buf_size;
if (cfg.vlan_fliter_cap == HCLGE_VLAN_FLTR_CAN_MDF)
set_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps);
@@ -1736,6 +1747,7 @@ static int hclge_knic_setup(struct hclge_vport *vport, u16 num_tqps,
kinfo->num_rx_desc = num_rx_desc;
kinfo->rx_buf_len = hdev->rx_buf_len;
+ kinfo->tx_spare_buf_size = hdev->tx_spare_buf_size;
kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, num_tqps,
sizeof(struct hnae3_queue *), GFP_KERNEL);
@@ -11059,6 +11071,8 @@ static void hclge_info_show(struct hclge_dev *hdev)
hdev->flag & HCLGE_FLAG_DCB_ENABLE ? "enable" : "disable");
dev_info(dev, "MQPRIO %s\n",
hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE ? "enable" : "disable");
+ dev_info(dev, "Default tx spare buffer size: %u\n",
+ hdev->tx_spare_buf_size);
dev_info(dev, "PF info end.\n");
}