xref: /kernel/linux/linux-5.10/drivers/net/ethernet/huawei/hinic/hinic_tx.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Huawei HiNIC PCI Express Linux driver
 * Copyright(c) 2017 Huawei Technologies Co., Ltd
 */

#ifndef HINIC_TX_H
#define HINIC_TX_H

#include <linux/types.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/u64_stats_sync.h>

#include "hinic_common.h"
#include "hinic_hw_qp.h"

struct hinic_txq_stats {
	u64     pkts;
	u64     bytes;
	u64     tx_busy;
	u64     tx_wake;
	u64     tx_dropped;
	u64	big_frags_pkts;

	struct u64_stats_sync   syncp;
};

struct hinic_txq {
	struct net_device       *netdev;
	struct hinic_sq         *sq;

	struct hinic_txq_stats  txq_stats;

	int                     max_sges;
	struct hinic_sge        *sges;
	struct hinic_sge        *free_sges;

	char                    *irq_name;
	struct napi_struct      napi;
};

void hinic_txq_clean_stats(struct hinic_txq *txq);

void hinic_txq_get_stats(struct hinic_txq *txq, struct hinic_txq_stats *stats);

netdev_tx_t hinic_lb_xmit_frame(struct sk_buff *skb, struct net_device *netdev);

netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);

int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq,
		   struct net_device *netdev);

void hinic_clean_txq(struct hinic_txq *txq);

#endif