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_lb_xmit_frame(struct sk_buff *skb, struct net_device *netdev); 48 49 netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev); 50 51 int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq, 52 struct net_device *netdev); 53 54 void hinic_clean_txq(struct hinic_txq *txq); 55 56 #endif 57