drivers/net/ethernet/huawei/hinic/hinic_tx.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Huawei HiNIC PCI Express Linux driver
   4  * Copyright(c) 2017 Huawei Technologies Co., Ltd
   5  */
   6
   7 #ifndef HINIC_TX_H
   8 #define HINIC_TX_H
   9
  10 #include <linux/types.h>
  11 #include <linux/netdevice.h>
  12 #include <linux/skbuff.h>
  13 #include <linux/u64_stats_sync.h>
  14
  15 #include "hinic_common.h"
  16 #include "hinic_hw_qp.h"
  17
  18 struct hinic_txq_stats {
  19         u64     pkts;
  20         u64     bytes;
  21         u64     tx_busy;
  22         u64     tx_wake;
  23         u64     tx_dropped;
  24         u64     big_frags_pkts;
  25
  26         struct u64_stats_sync   syncp;
  27 };
  28
  29 struct hinic_txq {
  30         struct net_device       *netdev;
  31         struct hinic_sq         *sq;
  32
  33         struct hinic_txq_stats  txq_stats;
  34
  35         int                     max_sges;
  36         struct hinic_sge        *sges;
  37         struct hinic_sge        *free_sges;
  38
  39         char                    *irq_name;
  40         struct napi_struct      napi;
  41 };
  42
  43 void hinic_txq_clean_stats(struct hinic_txq *txq);
  44
  45 void hinic_txq_get_stats(struct hinic_txq *txq, struct hinic_txq_stats *stats);
  46
  47 netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
  48
  49 int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq,
  50                    struct net_device *netdev);
  51
  52 void hinic_clean_txq(struct hinic_txq *txq);
  53
  54 #endif