1 /*******************************************************************************
2 Copyright (C) 2007-2009 STMicroelectronics Ltd
4 This program is free software; you can redistribute it and/or modify it
5 under the terms and conditions of the GNU General Public License,
6 version 2, as published by the Free Software Foundation.
8 This program is distributed in the hope it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 The full GNU General Public License is included in this distribution in
14 the file called "COPYING".
16 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
17 *******************************************************************************/
22 #define STMMAC_RESOURCE_NAME "stmmaceth"
23 #define DRV_MODULE_VERSION "Jan_2016"
25 #include <linux/clk.h>
26 #include <linux/stmmac.h>
27 #include <linux/phy.h>
28 #include <linux/pci.h>
30 #include <linux/ptp_clock_kernel.h>
31 #include <linux/reset.h>
33 struct stmmac_resources {
41 struct stmmac_tx_info {
49 /* Frequently used values are kept adjacent for cache effect */
50 struct stmmac_tx_queue {
52 struct stmmac_priv *priv_data;
53 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
54 struct dma_desc *dma_tx;
55 struct sk_buff **tx_skbuff;
56 struct stmmac_tx_info *tx_skbuff_dma;
58 unsigned int dirty_tx;
59 dma_addr_t dma_tx_phy;
64 struct stmmac_rx_queue {
66 struct stmmac_priv *priv_data;
67 struct dma_extended_desc *dma_erx;
68 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
69 struct sk_buff **rx_skbuff;
70 dma_addr_t *rx_skbuff_dma;
72 unsigned int dirty_rx;
74 dma_addr_t dma_rx_phy;
76 struct napi_struct napi ____cacheline_aligned_in_smp;
79 struct stmmac_tc_entry {
85 unsigned int table_pos;
103 #define STMMAC_PPS_MAX 4
104 struct stmmac_pps_cfg {
106 struct timespec64 start;
107 struct timespec64 period;
111 /* Frequently used values are kept adjacent for cache effect */
118 bool tx_path_in_lpi_mode;
119 struct timer_list txtimer;
122 unsigned int dma_buf_sz;
123 unsigned int rx_copybreak;
127 void __iomem *ioaddr;
128 struct net_device *dev;
129 struct device *device;
130 struct mac_device_info *hw;
131 int (*hwif_quirks)(struct stmmac_priv *priv);
135 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
138 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
143 unsigned int flow_ctrl;
146 int mii_irq[PHY_MAX_ADDR];
148 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
149 struct stmmac_safety_stats sstats;
150 struct plat_stmmacenet_data *plat;
151 struct dma_features dma_cap;
152 struct stmmac_counters mmc;
159 struct timer_list eee_ctrl_timer;
165 unsigned int chain_mode;
167 struct ptp_clock *ptp_clock;
168 struct ptp_clock_info ptp_clock_ops;
169 unsigned int default_addend;
176 void __iomem *mmcaddr;
177 void __iomem *ptpaddr;
179 #ifdef CONFIG_DEBUG_FS
180 struct dentry *dbgfs_dir;
181 struct dentry *dbgfs_rings_status;
182 struct dentry *dbgfs_dma_cap;
186 struct workqueue_struct *wq;
187 struct work_struct service_task;
190 unsigned int tc_entries_max;
191 unsigned int tc_off_max;
192 struct stmmac_tc_entry *tc_entries;
194 /* Pulse Per Second output */
195 struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
200 STMMAC_RESET_REQUESTED,
202 STMMAC_SERVICE_SCHED,
205 int stmmac_mdio_unregister(struct net_device *ndev);
206 int stmmac_mdio_register(struct net_device *ndev);
207 int stmmac_mdio_reset(struct mii_bus *mii);
208 void stmmac_set_ethtool_ops(struct net_device *netdev);
210 void stmmac_ptp_register(struct stmmac_priv *priv);
211 void stmmac_ptp_unregister(struct stmmac_priv *priv);
212 int stmmac_resume(struct device *dev);
213 int stmmac_suspend(struct device *dev);
214 int stmmac_dvr_remove(struct device *dev);
215 int stmmac_dvr_probe(struct device *device,
216 struct plat_stmmacenet_data *plat_dat,
217 struct stmmac_resources *res);
218 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
219 bool stmmac_eee_init(struct stmmac_priv *priv);
221 #endif /* __STMMAC_H__ */