diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 47717800e0b56812da6b05f645ddad6f3f46c1cd..f23042b24c0940275585cf923ea25dd0f4151015 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -420,7 +420,9 @@ struct hclge_pf_res_cmd { #define HCLGE_PF_VEC_NUM_M GENMASK(7, 0) __le16 pf_intr_vector_number; __le16 pf_own_fun_number; - __le32 rsv[3]; + __le16 tx_buf_size; + __le16 dv_buf_size; + __le32 rsv[2]; }; #define HCLGE_CFG_OFFSET_S 0 @@ -839,6 +841,7 @@ struct hclge_serdes_lb_cmd { #define HCLGE_TOTAL_PKT_BUF 0x108000 /* 1.03125M bytes */ #define HCLGE_DEFAULT_DV 0xA000 /* 40k byte */ #define HCLGE_DEFAULT_NON_DCB_DV 0x7800 /* 30K byte */ +#define HCLGE_NON_DCB_ADDITIONAL_BUF 0x200 /* 512 byte */ #define HCLGE_TYPE_CRQ 0 #define HCLGE_TYPE_CSQ 1 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index b66eee9ca6d574235cf20f8147ea8feadbe025be..c52e90333ab196b35a86a9fcfd27974077d57d96 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -687,6 +687,18 @@ static int hclge_query_pf_resource(struct hclge_dev *hdev) hdev->num_tqps = __le16_to_cpu(req->tqp_num); hdev->pkt_buf_size = __le16_to_cpu(req->buf_size) << HCLGE_BUF_UNIT_S; + if (req->tx_buf_size) + hdev->tx_buf_size = + __le16_to_cpu(req->tx_buf_size) << HCLGE_BUF_UNIT_S; + else + hdev->tx_buf_size = HCLGE_DEFAULT_TX_BUF; + + if (req->dv_buf_size) + hdev->dv_buf_size = + __le16_to_cpu(req->dv_buf_size) << HCLGE_BUF_UNIT_S; + else + hdev->dv_buf_size = HCLGE_DEFAULT_DV; + if (hnae3_dev_roce_supported(hdev)) { hdev->roce_base_msix_offset = hnae3_get_field(__le16_to_cpu(req->msixcap_localid_ba_rocee), @@ -1376,9 +1388,10 @@ static bool hclge_is_rx_buf_ok(struct hclge_dev *hdev, pfc_enable_num = hclge_get_pfc_enalbe_num(hdev); if (hnae3_dev_dcb_supported(hdev)) - shared_buf_min = 2 * hdev->mps + HCLGE_DEFAULT_DV; + shared_buf_min = 2 * hdev->mps + hdev->dv_buf_size; else - shared_buf_min = 2 * hdev->mps + HCLGE_DEFAULT_NON_DCB_DV; + shared_buf_min = hdev->mps + HCLGE_NON_DCB_ADDITIONAL_BUF + + hdev->dv_buf_size; shared_buf_tc = pfc_enable_num * hdev->mps + (tc_num - pfc_enable_num) * hdev->mps / 2 + @@ -1391,8 +1404,15 @@ static bool hclge_is_rx_buf_ok(struct hclge_dev *hdev, shared_buf = rx_all - rx_priv; buf_alloc->s_buf.buf_size = shared_buf; - buf_alloc->s_buf.self.high = shared_buf; - buf_alloc->s_buf.self.low = 2 * hdev->mps; + if (hnae3_dev_dcb_supported(hdev)) { + buf_alloc->s_buf.self.high = shared_buf - hdev->dv_buf_size; + buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high + - hdev->mps / 2; + } else { + buf_alloc->s_buf.self.high = hdev->mps + + HCLGE_NON_DCB_ADDITIONAL_BUF; + buf_alloc->s_buf.self.low = hdev->mps / 2; + } for (i = 0; i < HCLGE_MAX_TC_NUM; i++) { if ((hdev->hw_tc_map & BIT(i)) && @@ -1419,11 +1439,11 @@ static int hclge_tx_buffer_calc(struct hclge_dev *hdev, for (i = 0; i < HCLGE_MAX_TC_NUM; i++) { struct hclge_priv_buf *priv = &buf_alloc->priv_buf[i]; - if (total_size < HCLGE_DEFAULT_TX_BUF) + if (total_size < hdev->tx_buf_size) return -ENOMEM; if (hdev->hw_tc_map & BIT(i)) - priv->tx_buf_size = HCLGE_DEFAULT_TX_BUF; + priv->tx_buf_size = hdev->tx_buf_size; else priv->tx_buf_size = 0; @@ -1469,11 +1489,12 @@ static int hclge_rx_buffer_calc(struct hclge_dev *hdev, priv->wl.low = aligned_mps; priv->wl.high = priv->wl.low + aligned_mps; priv->buf_size = priv->wl.high + - HCLGE_DEFAULT_DV; + hdev->dv_buf_size; } else { priv->wl.low = 0; priv->wl.high = 2 * aligned_mps; - priv->buf_size = priv->wl.high; + priv->buf_size = priv->wl.high + + hdev->dv_buf_size; } } else { priv->enable = 0; @@ -1505,11 +1526,11 @@ static int hclge_rx_buffer_calc(struct hclge_dev *hdev, if (hdev->tm_info.hw_pfc_map & BIT(i)) { priv->wl.low = 128; priv->wl.high = priv->wl.low + aligned_mps; - priv->buf_size = priv->wl.high + HCLGE_DEFAULT_DV; + priv->buf_size = priv->wl.high + hdev->dv_buf_size; } else { priv->wl.low = 0; priv->wl.high = aligned_mps; - priv->buf_size = priv->wl.high; + priv->buf_size = priv->wl.high + hdev->dv_buf_size; } } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index 9571e228ab4212e002727166881c665432476ea4..6615b85a1c5272f8937cebf2939d99da55e07654 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -736,6 +736,9 @@ struct hclge_dev { u32 flag; u32 pkt_buf_size; /* Total pf buf size for tx/rx */ + u32 tx_buf_size; /* Tx buffer size for each TC */ + u32 dv_buf_size; /* Dv buffer size for each TC */ + u32 mps; /* Max packet size */ /* vport_lock protect resource shared by vports */ struct mutex vport_lock;