drivers/net/ethernet/stmicro/stmmac/stmmac.h

   1 /*******************************************************************************
   2   Copyright (C) 2007-2009  STMicroelectronics Ltd
   3
   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.
   7
   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
  11   more details.
  12
  13   The full GNU General Public License is included in this distribution in
  14   the file called "COPYING".
  15
  16   Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
  17 *******************************************************************************/
  18
  19 #ifndef __STMMAC_H__
  20 #define __STMMAC_H__
  21
  22 #define STMMAC_RESOURCE_NAME   "stmmaceth"
  23 #define DRV_MODULE_VERSION      "Jan_2016"
  24
  25 #include <linux/clk.h>
  26 #include <linux/stmmac.h>
  27 #include <linux/phy.h>
  28 #include <linux/pci.h>
  29 #include "common.h"
  30 #include <linux/ptp_clock_kernel.h>
  31 #include <linux/reset.h>
  32
  33 struct stmmac_resources {
  34         void __iomem *addr;
  35         const char *mac;
  36         int wol_irq;
  37         int lpi_irq;
  38         int irq;
  39 };
  40
  41 struct stmmac_tx_info {
  42         dma_addr_t buf;
  43         bool map_as_page;
  44         unsigned len;
  45         bool last_segment;
  46         bool is_jumbo;
  47 };
  48
  49 struct stmmac_priv {
  50         /* Frequently used values are kept adjacent for cache effect */
  51         struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
  52         struct dma_desc *dma_tx;
  53         struct sk_buff **tx_skbuff;
  54         unsigned int cur_tx;
  55         unsigned int dirty_tx;
  56         u32 tx_count_frames;
  57         u32 tx_coal_frames;
  58         u32 tx_coal_timer;
  59         struct stmmac_tx_info *tx_skbuff_dma;
  60         dma_addr_t dma_tx_phy;
  61         int tx_coalesce;
  62         int hwts_tx_en;
  63         bool tx_path_in_lpi_mode;
  64         struct timer_list txtimer;
  65         bool tso;
  66
  67         struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
  68         struct dma_extended_desc *dma_erx;
  69         struct sk_buff **rx_skbuff;
  70         unsigned int cur_rx;
  71         unsigned int dirty_rx;
  72         unsigned int dma_buf_sz;
  73         unsigned int rx_copybreak;
  74         unsigned int rx_zeroc_thresh;
  75         u32 rx_riwt;
  76         int hwts_rx_en;
  77         dma_addr_t *rx_skbuff_dma;
  78         dma_addr_t dma_rx_phy;
  79
  80         struct napi_struct napi ____cacheline_aligned_in_smp;
  81
  82         void __iomem *ioaddr;
  83         struct net_device *dev;
  84         struct device *device;
  85         struct mac_device_info *hw;
  86         spinlock_t lock;
  87
  88         int oldlink;
  89         int speed;
  90         int oldduplex;
  91         unsigned int flow_ctrl;
  92         unsigned int pause;
  93         struct mii_bus *mii;
  94         int mii_irq[PHY_MAX_ADDR];
  95
  96         struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
  97         struct plat_stmmacenet_data *plat;
  98         struct dma_features dma_cap;
  99         struct stmmac_counters mmc;
 100         int hw_cap_support;
 101         int synopsys_id;
 102         u32 msg_enable;
 103         int wolopts;
 104         int wol_irq;
 105         int clk_csr;
 106         struct timer_list eee_ctrl_timer;
 107         int lpi_irq;
 108         int eee_enabled;
 109         int eee_active;
 110         int tx_lpi_timer;
 111         unsigned int mode;
 112         int extend_desc;
 113         struct ptp_clock *ptp_clock;
 114         struct ptp_clock_info ptp_clock_ops;
 115         unsigned int default_addend;
 116         u32 adv_ts;
 117         int use_riwt;
 118         int irq_wake;
 119         spinlock_t ptp_lock;
 120         void __iomem *mmcaddr;
 121         void __iomem *ptpaddr;
 122         u32 rx_tail_addr;
 123         u32 tx_tail_addr;
 124         u32 mss;
 125
 126 #ifdef CONFIG_DEBUG_FS
 127         struct dentry *dbgfs_dir;
 128         struct dentry *dbgfs_rings_status;
 129         struct dentry *dbgfs_dma_cap;
 130 #endif
 131 };
 132
 133 int stmmac_mdio_unregister(struct net_device *ndev);
 134 int stmmac_mdio_register(struct net_device *ndev);
 135 int stmmac_mdio_reset(struct mii_bus *mii);
 136 void stmmac_set_ethtool_ops(struct net_device *netdev);
 137
 138 void stmmac_ptp_register(struct stmmac_priv *priv);
 139 void stmmac_ptp_unregister(struct stmmac_priv *priv);
 140 int stmmac_resume(struct device *dev);
 141 int stmmac_suspend(struct device *dev);
 142 int stmmac_dvr_remove(struct device *dev);
 143 int stmmac_dvr_probe(struct device *device,
 144                      struct plat_stmmacenet_data *plat_dat,
 145                      struct stmmac_resources *res);
 146 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
 147 bool stmmac_eee_init(struct stmmac_priv *priv);
 148
 149 #endif /* __STMMAC_H__ */