38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 2022 - 2023 Mucse Corporation. */
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#ifndef __RNP_DCB_H__
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#define __RNP_DCB_H__
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#include "rnp.h"
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enum rnp_pause_low_thrsh {
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RNP_PAUSE_4_SLOT_TIME = 0,
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RNP_PAUSE_28_SLOT_TIME,
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RNP_PAUSE_36_SLOT_TIME,
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RNP_PAUSE_144_SLOT_TIME,
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RNP_PAUSE_256_SLOT_TIME,
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};
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/*Rx Flow Ctrl */
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#define RNP_RX_RFE BIT(0) /* Receive Flow Control Enable */
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#define RNP_UP BIT(1) /* Unicast Pause Packet Detect */
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#define RNP_PFCE BIT(8) /* Priority Based Flow Control Enable. */
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/*Tx Flow Ctrl */
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#define RNP_TX_FCB BIT(0) /* Tx Flow Control Busy. */
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#define RNP_TX_TFE BIT(1) /* Transmit Flow Control Enable.*/
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#define RNP_TX_PLT GENMASK(6, 4) /* Pause Low Threshold. */
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#define RNP_DZPQ BIT(7) /*Disable Zero-Quanta Pause.*/
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#define RNP_PT GENMASK(31, 16) /* Pause Time. */
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#define RNP_DEFAULT_PAUSE_TIME (0x100) /* */
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#define RNP_FC_TX_PLTH_OFFSET (4) /* Pause Low Threshold */
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#define RNP_FC_TX_PT_OFFSET (16) /* Pause Time */
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#define RNP_DCB_MAX_TCS_NUM (4)
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#define RNP_DCB_MAX_PFC_NUM (4)
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struct rnp_adapter;
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int rnp_dcb_init(struct net_device *dev, struct rnp_adapter *adapter);
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#endif
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