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_RX_H 8*4882a593Smuzhiyun #define HINIC_RX_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/types.h> 11*4882a593Smuzhiyun #include <linux/netdevice.h> 12*4882a593Smuzhiyun #include <linux/u64_stats_sync.h> 13*4882a593Smuzhiyun #include <linux/interrupt.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include "hinic_hw_qp.h" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define HINIC_RX_CSUM_OFFLOAD_EN 0xFFF 18*4882a593Smuzhiyun #define HINIC_RX_CSUM_HW_CHECK_NONE BIT(7) 19*4882a593Smuzhiyun #define HINIC_RX_CSUM_IPSU_OTHER_ERR BIT(8) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct hinic_rxq_stats { 22*4882a593Smuzhiyun u64 pkts; 23*4882a593Smuzhiyun u64 bytes; 24*4882a593Smuzhiyun u64 errors; 25*4882a593Smuzhiyun u64 csum_errors; 26*4882a593Smuzhiyun u64 other_errors; 27*4882a593Smuzhiyun u64 alloc_skb_err; 28*4882a593Smuzhiyun struct u64_stats_sync syncp; 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct hinic_rxq { 32*4882a593Smuzhiyun struct net_device *netdev; 33*4882a593Smuzhiyun struct hinic_rq *rq; 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun struct hinic_rxq_stats rxq_stats; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun char *irq_name; 38*4882a593Smuzhiyun u16 buf_len; 39*4882a593Smuzhiyun u32 rx_buff_shift; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun struct napi_struct napi; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun void hinic_rxq_clean_stats(struct hinic_rxq *rxq); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun void hinic_rxq_get_stats(struct hinic_rxq *rxq, struct hinic_rxq_stats *stats); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq *rq, 49*4882a593Smuzhiyun struct net_device *netdev); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun void hinic_clean_rxq(struct hinic_rxq *rxq); 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #endif 54