1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2014-2015 Hisilicon Limited. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __HNS_ENET_H 7*4882a593Smuzhiyun #define __HNS_ENET_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/netdevice.h> 10*4882a593Smuzhiyun #include <linux/of_net.h> 11*4882a593Smuzhiyun #include <linux/of_mdio.h> 12*4882a593Smuzhiyun #include <linux/timer.h> 13*4882a593Smuzhiyun #include <linux/workqueue.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include "hnae.h" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define HNS_DEBUG_OFFSET 6 18*4882a593Smuzhiyun #define HNS_SRV_OFFSET 2 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun enum hns_nic_state { 21*4882a593Smuzhiyun NIC_STATE_TESTING = 0, 22*4882a593Smuzhiyun NIC_STATE_RESETTING, 23*4882a593Smuzhiyun NIC_STATE_REINITING, 24*4882a593Smuzhiyun NIC_STATE_DOWN, 25*4882a593Smuzhiyun NIC_STATE_DISABLED, 26*4882a593Smuzhiyun NIC_STATE_REMOVING, 27*4882a593Smuzhiyun NIC_STATE_SERVICE_INITED, 28*4882a593Smuzhiyun NIC_STATE_SERVICE_SCHED, 29*4882a593Smuzhiyun NIC_STATE2_RESET_REQUESTED, 30*4882a593Smuzhiyun NIC_STATE_MAX 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct hns_nic_ring_data { 34*4882a593Smuzhiyun struct hnae_ring *ring; 35*4882a593Smuzhiyun struct napi_struct napi; 36*4882a593Smuzhiyun cpumask_t mask; /* affinity mask */ 37*4882a593Smuzhiyun u32 queue_index; 38*4882a593Smuzhiyun int (*poll_one)(struct hns_nic_ring_data *, int, void *); 39*4882a593Smuzhiyun void (*ex_process)(struct hns_nic_ring_data *, struct sk_buff *); 40*4882a593Smuzhiyun bool (*fini_process)(struct hns_nic_ring_data *); 41*4882a593Smuzhiyun }; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun /* compatible the difference between two versions */ 44*4882a593Smuzhiyun struct hns_nic_ops { 45*4882a593Smuzhiyun void (*fill_desc)(struct hnae_ring *ring, void *priv, 46*4882a593Smuzhiyun int size, dma_addr_t dma, int frag_end, 47*4882a593Smuzhiyun int buf_num, enum hns_desc_type type, int mtu); 48*4882a593Smuzhiyun int (*maybe_stop_tx)(struct sk_buff **out_skb, 49*4882a593Smuzhiyun int *bnum, struct hnae_ring *ring); 50*4882a593Smuzhiyun void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum); 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun struct hns_nic_priv { 54*4882a593Smuzhiyun const struct fwnode_handle *fwnode; 55*4882a593Smuzhiyun u32 enet_ver; 56*4882a593Smuzhiyun u32 port_id; 57*4882a593Smuzhiyun int phy_mode; 58*4882a593Smuzhiyun int phy_led_val; 59*4882a593Smuzhiyun struct net_device *netdev; 60*4882a593Smuzhiyun struct device *dev; 61*4882a593Smuzhiyun struct hnae_handle *ae_handle; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun struct hns_nic_ops ops; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* the cb for nic to manage the ring buffer, the first half of the 66*4882a593Smuzhiyun * array is for tx_ring and vice versa for the second half 67*4882a593Smuzhiyun */ 68*4882a593Smuzhiyun struct hns_nic_ring_data *ring_data; 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun /* The most recently read link state */ 71*4882a593Smuzhiyun int link; 72*4882a593Smuzhiyun u64 tx_timeout_count; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun unsigned long state; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun struct timer_list service_timer; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun struct work_struct service_task; 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun struct notifier_block notifier_block; 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #define tx_ring_data(priv, idx) ((priv)->ring_data[idx]) 84*4882a593Smuzhiyun #define rx_ring_data(priv, idx) \ 85*4882a593Smuzhiyun ((priv)->ring_data[(priv)->ae_handle->q_num + (idx)]) 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun void hns_ethtool_set_ops(struct net_device *ndev); 88*4882a593Smuzhiyun void hns_nic_net_reset(struct net_device *ndev); 89*4882a593Smuzhiyun void hns_nic_net_reinit(struct net_device *netdev); 90*4882a593Smuzhiyun int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h); 91*4882a593Smuzhiyun netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, 92*4882a593Smuzhiyun struct sk_buff *skb, 93*4882a593Smuzhiyun struct hns_nic_ring_data *ring_data); 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun #endif /**__HNS_ENET_H */ 96