2 * Copyright (c) 2014-2015 Hisilicon Limited.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
13 #include <linux/netdevice.h>
14 #include <linux/of_net.h>
15 #include <linux/of_mdio.h>
16 #include <linux/timer.h>
17 #include <linux/workqueue.h>
21 #define HNS_DEBUG_OFFSET 6
22 #define HNS_SRV_OFFSET 2
25 NIC_STATE_TESTING = 0,
31 NIC_STATE_SERVICE_INITED,
32 NIC_STATE_SERVICE_SCHED,
33 NIC_STATE2_RESET_REQUESTED,
37 struct hns_nic_ring_data {
38 struct hnae_ring *ring;
39 struct napi_struct napi;
41 int (*poll_one)(struct hns_nic_ring_data *, int, void *);
42 void (*ex_process)(struct hns_nic_ring_data *, struct sk_buff *);
43 void (*fini_process)(struct hns_nic_ring_data *);
46 /* compatible the difference between two versions */
48 void (*fill_desc)(struct hnae_ring *ring, void *priv,
49 int size, dma_addr_t dma, int frag_end,
50 int buf_num, enum hns_desc_type type, int mtu);
51 int (*maybe_stop_tx)(struct sk_buff **out_skb,
52 int *bnum, struct hnae_ring *ring);
53 void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum);
57 const struct fwnode_handle *fwnode;
62 struct net_device *netdev;
64 struct hnae_handle *ae_handle;
66 struct hns_nic_ops ops;
68 /* the cb for nic to manage the ring buffer, the first half of the
69 * array is for tx_ring and vice versa for the second half
71 struct hns_nic_ring_data *ring_data;
73 /* The most recently read link state */
79 struct timer_list service_timer;
81 struct work_struct service_task;
83 struct notifier_block notifier_block;
86 #define tx_ring_data(priv, idx) ((priv)->ring_data[idx])
87 #define rx_ring_data(priv, idx) \
88 ((priv)->ring_data[(priv)->ae_handle->q_num + (idx)])
90 void hns_ethtool_set_ops(struct net_device *ndev);
91 void hns_nic_net_reset(struct net_device *ndev);
92 void hns_nic_net_reinit(struct net_device *netdev);
93 int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h);
94 netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
96 struct hns_nic_ring_data *ring_data);
98 #endif /**__HNS_ENET_H */