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/net_tstamp.h>
32 #include <linux/reset.h>
34 struct stmmac_resources {
42 struct stmmac_tx_info {
50 /* Frequently used values are kept adjacent for cache effect */
51 struct stmmac_tx_queue {
53 struct timer_list txtimer;
55 struct stmmac_priv *priv_data;
56 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
57 struct dma_desc *dma_tx;
58 struct sk_buff **tx_skbuff;
59 struct stmmac_tx_info *tx_skbuff_dma;
61 unsigned int dirty_tx;
62 dma_addr_t dma_tx_phy;
67 struct stmmac_rx_queue {
69 struct stmmac_priv *priv_data;
70 struct dma_extended_desc *dma_erx;
71 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
72 struct sk_buff **rx_skbuff;
73 dma_addr_t *rx_skbuff_dma;
75 unsigned int dirty_rx;
77 dma_addr_t dma_rx_phy;
81 struct stmmac_channel {
82 struct napi_struct rx_napi ____cacheline_aligned_in_smp;
83 struct napi_struct tx_napi ____cacheline_aligned_in_smp;
84 struct stmmac_priv *priv_data;
88 struct stmmac_tc_entry {
94 unsigned int table_pos;
112 #define STMMAC_PPS_MAX 4
113 struct stmmac_pps_cfg {
115 struct timespec64 start;
116 struct timespec64 period;
120 /* Frequently used values are kept adjacent for cache effect */
126 bool tx_path_in_lpi_mode;
129 unsigned int dma_buf_sz;
130 unsigned int rx_copybreak;
134 void __iomem *ioaddr;
135 struct net_device *dev;
136 struct device *device;
137 struct mac_device_info *hw;
138 int (*hwif_quirks)(struct stmmac_priv *priv);
142 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
145 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
147 /* Generic channel for NAPI */
148 struct stmmac_channel channel[STMMAC_CH_MAX];
153 unsigned int flow_ctrl;
156 int mii_irq[PHY_MAX_ADDR];
158 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
159 struct stmmac_safety_stats sstats;
160 struct plat_stmmacenet_data *plat;
161 struct dma_features dma_cap;
162 struct stmmac_counters mmc;
169 struct timer_list eee_ctrl_timer;
175 unsigned int chain_mode;
177 struct hwtstamp_config tstamp_config;
178 struct ptp_clock *ptp_clock;
179 struct ptp_clock_info ptp_clock_ops;
180 unsigned int default_addend;
187 void __iomem *mmcaddr;
188 void __iomem *ptpaddr;
190 #ifdef CONFIG_DEBUG_FS
191 struct dentry *dbgfs_dir;
192 struct dentry *dbgfs_rings_status;
193 struct dentry *dbgfs_dma_cap;
197 struct workqueue_struct *wq;
198 struct work_struct service_task;
201 unsigned int tc_entries_max;
202 unsigned int tc_off_max;
203 struct stmmac_tc_entry *tc_entries;
205 /* Pulse Per Second output */
206 struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
211 STMMAC_RESET_REQUESTED,
213 STMMAC_SERVICE_SCHED,
216 int stmmac_mdio_unregister(struct net_device *ndev);
217 int stmmac_mdio_register(struct net_device *ndev);
218 int stmmac_mdio_reset(struct mii_bus *mii);
219 void stmmac_set_ethtool_ops(struct net_device *netdev);
221 void stmmac_ptp_register(struct stmmac_priv *priv);
222 void stmmac_ptp_unregister(struct stmmac_priv *priv);
223 int stmmac_resume(struct device *dev);
224 int stmmac_suspend(struct device *dev);
225 int stmmac_dvr_remove(struct device *dev);
226 int stmmac_dvr_probe(struct device *device,
227 struct plat_stmmacenet_data *plat_dat,
228 struct stmmac_resources *res);
229 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
230 bool stmmac_eee_init(struct stmmac_priv *priv);
232 #endif /* __STMMAC_H__ */