/* SPDX-License-Identifier: GPL-2.0-only */ /******************************************************************************* Copyright (C) 2007-2009 STMicroelectronics Ltd Author: Giuseppe Cavallaro *******************************************************************************/ #ifndef __STMMAC_H__ #define __STMMAC_H__ #define STMMAC_RESOURCE_NAME "stmmaceth" #define DRV_MODULE_VERSION "Jan_2016" #include #include #include #include #include #include "common.h" #include #include #include #include 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; }; #define STMMAC_TBS_AVAIL BIT(0) #define STMMAC_TBS_EN BIT(1) /* Frequently used values are kept adjacent for cache effect */ struct stmmac_tx_queue { u32 tx_count_frames; int tbs; struct timer_list txtimer; u32 queue_index; struct stmmac_priv *priv_data; struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp; struct dma_edesc *dma_entx; 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_buffer { struct page *page; struct page *sec_page; dma_addr_t addr; dma_addr_t sec_addr; }; struct stmmac_rx_queue { u32 rx_count_frames; u32 queue_index; struct page_pool *page_pool; struct stmmac_rx_buffer *buf_pool; struct stmmac_priv *priv_data; struct dma_extended_desc *dma_erx; struct dma_desc *dma_rx ____cacheline_aligned_in_smp; unsigned int cur_rx; unsigned int dirty_rx; u32 rx_zeroc_thresh; dma_addr_t dma_rx_phy; u32 rx_tail_addr; unsigned int state_saved; struct { struct sk_buff *skb; unsigned int len; unsigned int error; } state; }; struct stmmac_channel { struct napi_struct rx_napi ____cacheline_aligned_in_smp; struct napi_struct tx_napi ____cacheline_aligned_in_smp; struct stmmac_priv *priv_data; spinlock_t lock; u32 index; }; 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_rss { int enable; u8 key[STMMAC_RSS_HASH_KEY_SIZE]; u32 table[STMMAC_RSS_MAX_TABLE_SIZE]; }; #define STMMAC_FLOW_ACTION_DROP BIT(0) struct stmmac_flow_entry { unsigned long cookie; unsigned long action; u8 ip_proto; int in_use; int idx; int is_l4; }; struct stmmac_priv { /* Frequently used values are kept adjacent for cache effect */ u32 tx_coal_frames; u32 tx_coal_timer; u32 rx_coal_frames; int tx_coalesce; int hwts_tx_en; bool tx_path_in_lpi_mode; bool tso; int sph; u32 sarc_type; 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]; unsigned int dma_rx_size; /* TX Queue */ struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES]; unsigned int dma_tx_size; /* Generic channel for NAPI */ struct stmmac_channel channel[STMMAC_CH_MAX]; int speed; unsigned int flow_ctrl; unsigned int pause; struct mii_bus *mii; int mii_irq[PHY_MAX_ADDR]; struct phylink_config phylink_config; struct phylink *phylink; 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; int tx_lpi_enabled; int eee_tw_timer; unsigned int mode; unsigned int chain_mode; int extend_desc; struct hwtstamp_config tstamp_config; 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; unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; #ifdef CONFIG_DEBUG_FS struct dentry *dbgfs_dir; #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; unsigned int flow_entries_max; struct stmmac_flow_entry *flow_entries; /* Pulse Per Second output */ struct stmmac_pps_cfg pps[STMMAC_PPS_MAX]; /* Receive Side Scaling */ struct stmmac_rss rss; }; 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); int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt); int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size); #if IS_ENABLED(CONFIG_STMMAC_SELFTESTS) void stmmac_selftest_run(struct net_device *dev, struct ethtool_test *etest, u64 *buf); void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data); int stmmac_selftest_get_count(struct stmmac_priv *priv); #else static inline void stmmac_selftest_run(struct net_device *dev, struct ethtool_test *etest, u64 *buf) { /* Not enabled */ } static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data) { /* Not enabled */ } static inline int stmmac_selftest_get_count(struct stmmac_priv *priv) { return -EOPNOTSUPP; } #endif /* CONFIG_STMMAC_SELFTESTS */ #endif /* __STMMAC_H__ */