1 /* 2 * Huawei HiNIC PCI Express Linux driver 3 * Copyright(c) 2017 Huawei Technologies Co., Ltd 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 */ 15 16 #ifndef HINIC_RX_H 17 #define HINIC_RX_H 18 19 #include <linux/types.h> 20 #include <linux/netdevice.h> 21 #include <linux/u64_stats_sync.h> 22 #include <linux/interrupt.h> 23 24 #include "hinic_hw_qp.h" 25 26 #define HINIC_RX_CSUM_OFFLOAD_EN 0xFFF 27 #define HINIC_RX_CSUM_HW_CHECK_NONE BIT(7) 28 #define HINIC_RX_CSUM_IPSU_OTHER_ERR BIT(8) 29 30 struct hinic_rxq_stats { 31 u64 pkts; 32 u64 bytes; 33 34 struct u64_stats_sync syncp; 35 }; 36 37 struct hinic_rxq { 38 struct net_device *netdev; 39 struct hinic_rq *rq; 40 41 struct hinic_rxq_stats rxq_stats; 42 43 char *irq_name; 44 45 struct napi_struct napi; 46 }; 47 48 void hinic_rxq_clean_stats(struct hinic_rxq *rxq); 49 50 void hinic_rxq_get_stats(struct hinic_rxq *rxq, struct hinic_rxq_stats *stats); 51 52 int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq *rq, 53 struct net_device *netdev); 54 55 void hinic_clean_rxq(struct hinic_rxq *rxq); 56 57 #endif 58