linux/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 1999 - 2018 Intel Corporation. */

#include "ixgbe.h"
#include "ixgbe_type.h"
#include "ixgbe_dcb.h"
#include "ixgbe_dcb_82598.h"

/**
 * ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter
 * @hw: pointer to hardware structure
 * @refill: refill credits index by traffic class
 * @max: max credits index by traffic class
 * @prio_type: priority type indexed by traffic class
 *
 * Configure Rx Data Arbiter and credits for each traffic class.
 */
int ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, u16 *refill,
				      u16 *max, u8 *prio_type)
{ … }

/**
 * ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter
 * @hw: pointer to hardware structure
 * @refill: refill credits index by traffic class
 * @max: max credits index by traffic class
 * @bwg_id: bandwidth grouping indexed by traffic class
 * @prio_type: priority type indexed by traffic class
 *
 * Configure Tx Descriptor Arbiter and credits for each traffic class.
 */
int ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, u16 *refill,
					   u16 *max, u8 *bwg_id, u8 *prio_type)
{ … }

/**
 * ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter
 * @hw: pointer to hardware structure
 * @refill: refill credits index by traffic class
 * @max: max credits index by traffic class
 * @bwg_id: bandwidth grouping indexed by traffic class
 * @prio_type: priority type indexed by traffic class
 *
 * Configure Tx Data Arbiter and credits for each traffic class.
 */
int ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, u16 *refill,
					   u16 *max, u8 *bwg_id, u8 *prio_type)
{ … }

/**
 * ixgbe_dcb_config_pfc_82598 - Config priority flow control
 * @hw: pointer to hardware structure
 * @pfc_en: enabled pfc bitmask
 *
 * Configure Priority Flow Control for each traffic class.
 */
int ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en)
{ … }

/**
 * ixgbe_dcb_config_tc_stats_82598 - Configure traffic class statistics
 * @hw: pointer to hardware structure
 *
 * Configure queue statistics registers, all queues belonging to same traffic
 * class uses a single set of queue statistics counters.
 */
static int ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw)
{ … }

/**
 * ixgbe_dcb_hw_config_82598 - Config and enable DCB
 * @hw: pointer to hardware structure
 * @pfc_en: enabled pfc bitmask
 * @refill: refill credits index by traffic class
 * @max: max credits index by traffic class
 * @bwg_id: bandwidth grouping indexed by traffic class
 * @prio_type: priority type indexed by traffic class
 *
 * Configure dcb settings and enable dcb mode.
 */
int ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
			      u16 *max, u8 *bwg_id, u8 *prio_type)
{ … }