| /******************************************************************************* |
| Copyright (C) 2007-2009 STMicroelectronics Ltd |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms and conditions of the GNU General Public License, |
| version 2, as published by the Free Software Foundation. |
| |
| This program is distributed in the hope it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| more details. |
| |
| The full GNU General Public License is included in this distribution in |
| the file called "COPYING". |
| |
| Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> |
| *******************************************************************************/ |
| |
| #ifndef __STMMAC_H__ |
| #define __STMMAC_H__ |
| |
| #define STMMAC_RESOURCE_NAME "stmmaceth" |
| #define DRV_MODULE_VERSION "Jan_2016" |
| |
| #include <linux/clk.h> |
| #include <linux/stmmac.h> |
| #include <linux/phy.h> |
| #include <linux/pci.h> |
| #include "common.h" |
| #include <linux/ptp_clock_kernel.h> |
| #include <linux/reset.h> |
| |
| struct stmmac_resources { |
| void __iomem *addr; |
| const char *mac; |
| int wol_irq; |
| int lpi_irq; |
| int irq; |
| }; |
| |
| struct stmmac_tx_info { |
| dma_addr_t buf; |
| bool map_as_page; |
| unsigned len; |
| bool last_segment; |
| bool is_jumbo; |
| }; |
| |
| /* Frequently used values are kept adjacent for cache effect */ |
| struct stmmac_tx_queue { |
| u32 tx_count_frames; |
| struct timer_list txtimer; |
| u32 queue_index; |
| struct stmmac_priv *priv_data; |
| struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; |
| struct dma_desc *dma_tx; |
| struct sk_buff **tx_skbuff; |
| struct stmmac_tx_info *tx_skbuff_dma; |
| unsigned int cur_tx; |
| unsigned int dirty_tx; |
| dma_addr_t dma_tx_phy; |
| u32 tx_tail_addr; |
| u32 mss; |
| }; |
| |
| struct stmmac_rx_queue { |
| u32 queue_index; |
| struct stmmac_priv *priv_data; |
| struct dma_extended_desc *dma_erx; |
| struct dma_desc *dma_rx ____cacheline_aligned_in_smp; |
| struct sk_buff **rx_skbuff; |
| dma_addr_t *rx_skbuff_dma; |
| unsigned int cur_rx; |
| unsigned int dirty_rx; |
| u32 rx_zeroc_thresh; |
| dma_addr_t dma_rx_phy; |
| u32 rx_tail_addr; |
| }; |
| |
| struct stmmac_channel { |
| struct napi_struct napi ____cacheline_aligned_in_smp; |
| struct stmmac_priv *priv_data; |
| u32 index; |
| int has_rx; |
| int has_tx; |
| }; |
| |
| struct stmmac_tc_entry { |
| bool in_use; |
| bool in_hw; |
| bool is_last; |
| bool is_frag; |
| void *frag_ptr; |
| unsigned int table_pos; |
| u32 handle; |
| u32 prio; |
| struct { |
| u32 match_data; |
| u32 match_en; |
| u8 af:1; |
| u8 rf:1; |
| u8 im:1; |
| u8 nc:1; |
| u8 res1:4; |
| u8 frame_offset; |
| u8 ok_index; |
| u8 dma_ch_no; |
| u32 res2; |
| } __packed val; |
| }; |
| |
| #define STMMAC_PPS_MAX 4 |
| struct stmmac_pps_cfg { |
| bool available; |
| struct timespec64 start; |
| struct timespec64 period; |
| }; |
| |
| struct stmmac_priv { |
| /* Frequently used values are kept adjacent for cache effect */ |
| u32 tx_coal_frames; |
| u32 tx_coal_timer; |
| |
| int tx_coalesce; |
| int hwts_tx_en; |
| bool tx_path_in_lpi_mode; |
| bool tso; |
| |
| unsigned int dma_buf_sz; |
| unsigned int rx_copybreak; |
| u32 rx_riwt; |
| int hwts_rx_en; |
| |
| void __iomem *ioaddr; |
| struct net_device *dev; |
| struct device *device; |
| struct mac_device_info *hw; |
| int (*hwif_quirks)(struct stmmac_priv *priv); |
| struct mutex lock; |
| |
| /* RX Queue */ |
| struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES]; |
| |
| /* TX Queue */ |
| struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES]; |
| |
| /* Generic channel for NAPI */ |
| struct stmmac_channel channel[STMMAC_CH_MAX]; |
| |
| bool oldlink; |
| int speed; |
| int oldduplex; |
| unsigned int flow_ctrl; |
| unsigned int pause; |
| struct mii_bus *mii; |
| int mii_irq[PHY_MAX_ADDR]; |
| |
| struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp; |
| struct stmmac_safety_stats sstats; |
| struct plat_stmmacenet_data *plat; |
| struct dma_features dma_cap; |
| struct stmmac_counters mmc; |
| int hw_cap_support; |
| int synopsys_id; |
| u32 msg_enable; |
| int wolopts; |
| int wol_irq; |
| int clk_csr; |
| struct timer_list eee_ctrl_timer; |
| int lpi_irq; |
| int eee_enabled; |
| int eee_active; |
| int tx_lpi_timer; |
| unsigned int mode; |
| unsigned int chain_mode; |
| int extend_desc; |
| struct ptp_clock *ptp_clock; |
| struct ptp_clock_info ptp_clock_ops; |
| unsigned int default_addend; |
| u32 sub_second_inc; |
| u32 systime_flags; |
| u32 adv_ts; |
| int use_riwt; |
| int irq_wake; |
| spinlock_t ptp_lock; |
| void __iomem *mmcaddr; |
| void __iomem *ptpaddr; |
| |
| #ifdef CONFIG_DEBUG_FS |
| struct dentry *dbgfs_dir; |
| struct dentry *dbgfs_rings_status; |
| struct dentry *dbgfs_dma_cap; |
| #endif |
| |
| unsigned long state; |
| struct workqueue_struct *wq; |
| struct work_struct service_task; |
| |
| /* TC Handling */ |
| unsigned int tc_entries_max; |
| unsigned int tc_off_max; |
| struct stmmac_tc_entry *tc_entries; |
| |
| /* Pulse Per Second output */ |
| struct stmmac_pps_cfg pps[STMMAC_PPS_MAX]; |
| }; |
| |
| enum stmmac_state { |
| STMMAC_DOWN, |
| STMMAC_RESET_REQUESTED, |
| STMMAC_RESETING, |
| STMMAC_SERVICE_SCHED, |
| }; |
| |
| int stmmac_mdio_unregister(struct net_device *ndev); |
| int stmmac_mdio_register(struct net_device *ndev); |
| int stmmac_mdio_reset(struct mii_bus *mii); |
| void stmmac_set_ethtool_ops(struct net_device *netdev); |
| |
| void stmmac_ptp_register(struct stmmac_priv *priv); |
| void stmmac_ptp_unregister(struct stmmac_priv *priv); |
| int stmmac_resume(struct device *dev); |
| int stmmac_suspend(struct device *dev); |
| int stmmac_dvr_remove(struct device *dev); |
| int stmmac_dvr_probe(struct device *device, |
| struct plat_stmmacenet_data *plat_dat, |
| struct stmmac_resources *res); |
| void stmmac_disable_eee_mode(struct stmmac_priv *priv); |
| bool stmmac_eee_init(struct stmmac_priv *priv); |
| |
| #endif /* __STMMAC_H__ */ |
