1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Huawei HiNIC PCI Express Linux driver 4*4882a593Smuzhiyun * Copyright(c) 2017 Huawei Technologies Co., Ltd 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef HINIC_TX_H 8*4882a593Smuzhiyun #define HINIC_TX_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/types.h> 11*4882a593Smuzhiyun #include <linux/netdevice.h> 12*4882a593Smuzhiyun #include <linux/skbuff.h> 13*4882a593Smuzhiyun #include <linux/u64_stats_sync.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include "hinic_common.h" 16*4882a593Smuzhiyun #include "hinic_hw_qp.h" 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct hinic_txq_stats { 19*4882a593Smuzhiyun u64 pkts; 20*4882a593Smuzhiyun u64 bytes; 21*4882a593Smuzhiyun u64 tx_busy; 22*4882a593Smuzhiyun u64 tx_wake; 23*4882a593Smuzhiyun u64 tx_dropped; 24*4882a593Smuzhiyun u64 big_frags_pkts; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct u64_stats_sync syncp; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct hinic_txq { 30*4882a593Smuzhiyun struct net_device *netdev; 31*4882a593Smuzhiyun struct hinic_sq *sq; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct hinic_txq_stats txq_stats; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun int max_sges; 36*4882a593Smuzhiyun struct hinic_sge *sges; 37*4882a593Smuzhiyun struct hinic_sge *free_sges; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun char *irq_name; 40*4882a593Smuzhiyun struct napi_struct napi; 41*4882a593Smuzhiyun }; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun void hinic_txq_clean_stats(struct hinic_txq *txq); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun void hinic_txq_get_stats(struct hinic_txq *txq, struct hinic_txq_stats *stats); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun netdev_tx_t hinic_lb_xmit_frame(struct sk_buff *skb, struct net_device *netdev); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun int hinic_init_txq(struct hinic_txq *txq, struct hinic_sq *sq, 52*4882a593Smuzhiyun struct net_device *netdev); 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun void hinic_clean_txq(struct hinic_txq *txq); 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun #endif 57