diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac.h | 320 |
1 files changed, 268 insertions, 52 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index f9b42b0c20f4..012b0a477255 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -1,17 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /******************************************************************************* 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> *******************************************************************************/ @@ -20,23 +10,41 @@ #define __STMMAC_H__ #define STMMAC_RESOURCE_NAME "stmmaceth" -#define DRV_MODULE_VERSION "Jan_2016" #include <linux/clk.h> +#include <linux/hrtimer.h> +#include <linux/if_vlan.h> #include <linux/stmmac.h> -#include <linux/phy.h> +#include <linux/phylink.h> #include <linux/pci.h> #include "common.h" #include <linux/ptp_clock_kernel.h> #include <linux/net_tstamp.h> #include <linux/reset.h> +#include <net/page_pool/types.h> +#include <net/xdp.h> +#include <uapi/linux/bpf.h> + +struct stmmac_pcs; struct stmmac_resources { void __iomem *addr; - const char *mac; + u8 mac[ETH_ALEN]; int wol_irq; int lpi_irq; int irq; + int sfty_irq; + int sfty_ce_irq; + int sfty_ue_irq; + int rx_irq[MTL_MAX_RX_QUEUES]; + int tx_irq[MTL_MAX_TX_QUEUES]; +}; + +enum stmmac_txbuf_type { + STMMAC_TXBUF_T_SKB, + STMMAC_TXBUF_T_XDP_TX, + STMMAC_TXBUF_T_XDP_NDO, + STMMAC_TXBUF_T_XSK_TX, }; struct stmmac_tx_info { @@ -45,45 +53,107 @@ struct stmmac_tx_info { unsigned len; bool last_segment; bool is_jumbo; + enum stmmac_txbuf_type buf_type; + struct xsk_tx_metadata_compl xsk_meta; }; +#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; - struct timer_list txtimer; + int tbs; + struct hrtimer 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; + union { + struct sk_buff **tx_skbuff; + struct xdp_frame **xdpf; + }; struct stmmac_tx_info *tx_skbuff_dma; + struct xsk_buff_pool *xsk_pool; + u32 xsk_frames_done; unsigned int cur_tx; unsigned int dirty_tx; dma_addr_t dma_tx_phy; - u32 tx_tail_addr; + dma_addr_t tx_tail_addr; u32 mss; }; +struct stmmac_rx_buffer { + union { + struct { + struct page *page; + dma_addr_t addr; + __u32 page_offset; + }; + struct xdp_buff *xdp; + }; + struct page *sec_page; + dma_addr_t sec_addr; +}; + +struct stmmac_xdp_buff { + struct xdp_buff xdp; + struct stmmac_priv *priv; + struct dma_desc *desc; + struct dma_desc *ndesc; +}; + +struct stmmac_metadata_request { + struct stmmac_priv *priv; + struct dma_desc *tx_desc; + bool *set_ic; + struct dma_edesc *edesc; + int tbs; +}; + +struct stmmac_xsk_tx_complete { + struct stmmac_priv *priv; + struct dma_desc *desc; +}; + struct stmmac_rx_queue { + u32 rx_count_frames; u32 queue_index; + struct xdp_rxq_info xdp_rxq; + struct xsk_buff_pool *xsk_pool; + 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; - struct sk_buff **rx_skbuff; - dma_addr_t *rx_skbuff_dma; unsigned int cur_rx; unsigned int dirty_rx; - u32 rx_zeroc_thresh; + unsigned int buf_alloc_num; + unsigned int napi_skb_frag_size; 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 napi ____cacheline_aligned_in_smp; + struct napi_struct rx_napi ____cacheline_aligned_in_smp; + struct napi_struct tx_napi ____cacheline_aligned_in_smp; + struct napi_struct rxtx_napi ____cacheline_aligned_in_smp; struct stmmac_priv *priv_data; + spinlock_t lock; u32 index; - int has_rx; - int has_tx; +}; + +struct stmmac_fpe_cfg { + struct ethtool_mmsv mmsv; + const struct stmmac_fpe_reg *reg; + u32 fpe_csr; /* MAC_FPE_CTRL_STS reg cache */ }; struct stmmac_tc_entry { @@ -117,20 +187,79 @@ struct stmmac_pps_cfg { 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; +}; + +/* Rx Frame Steering */ +enum stmmac_rfs_type { + STMMAC_RFS_T_VLAN, + STMMAC_RFS_T_LLDP, + STMMAC_RFS_T_1588, + STMMAC_RFS_T_MAX, +}; + +struct stmmac_rfs_entry { + unsigned long cookie; + u16 etype; + int in_use; + int type; + int tc; +}; + +struct stmmac_dma_conf { + unsigned int dma_buf_sz; + + /* 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; +}; + +#define EST_GCL 1024 +struct stmmac_est { + int enable; + u32 btr_reserve[2]; + u32 btr_offset[2]; + u32 btr[2]; + u32 ctr[2]; + u32 ter; + u32 gcl_unaligned[EST_GCL]; + u32 gcl[EST_GCL]; + u32 gcl_size; + u32 max_sdu[MTL_MAX_TX_QUEUES]; +}; + struct stmmac_priv { /* Frequently used values are kept adjacent for cache effect */ - u32 tx_coal_frames; - u32 tx_coal_timer; + u32 tx_coal_frames[MTL_MAX_TX_QUEUES]; + u32 tx_coal_timer[MTL_MAX_TX_QUEUES]; + u32 rx_coal_frames[MTL_MAX_RX_QUEUES]; - 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; + bool sph_active; + bool sph_capable; + u32 sarc_type; + u32 rx_riwt[MTL_MAX_RX_QUEUES]; int hwts_rx_en; + bool tsfupdt_coarse; void __iomem *ioaddr; struct net_device *dev; @@ -139,43 +268,45 @@ struct stmmac_priv { 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]; + struct stmmac_dma_conf dma_conf; /* Generic channel for NAPI */ struct stmmac_channel channel[STMMAC_CH_MAX]; - bool oldlink; - int speed; - int oldduplex; - unsigned int flow_ctrl; - unsigned int pause; + unsigned int pause_time; struct mii_bus *mii; - int mii_irq[PHY_MAX_ADDR]; + + struct stmmac_pcs *integrated_pcs; + + 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; + /* Protect est parameters */ + struct mutex est_lock; + struct stmmac_est *est; struct dma_features dma_cap; struct stmmac_counters mmc; int hw_cap_support; int synopsys_id; u32 msg_enable; + /* Our MAC Wake-on-Lan options */ int wolopts; int wol_irq; - int clk_csr; + u32 gmii_address_bus_config; struct timer_list eee_ctrl_timer; int lpi_irq; - int eee_enabled; - int eee_active; - int tx_lpi_timer; + u32 tx_lpi_timer; + bool tx_lpi_clk_stop; + bool eee_enabled; + bool eee_active; + bool eee_sw_timer_en; unsigned int mode; unsigned int chain_mode; int extend_desc; - struct hwtstamp_config tstamp_config; + struct kernel_hwtstamp_config tstamp_config; struct ptp_clock *ptp_clock; struct ptp_clock_info ptp_clock_ops; unsigned int default_addend; @@ -184,27 +315,63 @@ struct stmmac_priv { u32 adv_ts; int use_riwt; int irq_wake; - spinlock_t ptp_lock; + rwlock_t ptp_lock; + /* Protects auxiliary snapshot registers from concurrent access. */ + struct mutex aux_ts_lock; + wait_queue_head_t tstamp_busy_wait; + void __iomem *mmcaddr; void __iomem *ptpaddr; + void __iomem *estaddr; + unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + int sfty_irq; + int sfty_ce_irq; + int sfty_ue_irq; + int rx_irq[MTL_MAX_RX_QUEUES]; + int tx_irq[MTL_MAX_TX_QUEUES]; + /*irq name */ + char int_name_mac[IFNAMSIZ + 9]; + char int_name_wol[IFNAMSIZ + 9]; + char int_name_lpi[IFNAMSIZ + 9]; + char int_name_sfty[IFNAMSIZ + 10]; + char int_name_sfty_ce[IFNAMSIZ + 10]; + char int_name_sfty_ue[IFNAMSIZ + 10]; + char int_name_rx_irq[MTL_MAX_RX_QUEUES][IFNAMSIZ + 14]; + char int_name_tx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 18]; #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; + /* Frame Preemption feature (FPE) */ + struct stmmac_fpe_cfg fpe_cfg; + /* 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; + unsigned int rfs_entries_max[STMMAC_RFS_T_MAX]; + unsigned int rfs_entries_cnt[STMMAC_RFS_T_MAX]; + unsigned int rfs_entries_total; + struct stmmac_rfs_entry *rfs_entries; /* Pulse Per Second output */ struct stmmac_pps_cfg pps[STMMAC_PPS_MAX]; + + /* Receive Side Scaling */ + struct stmmac_rss rss; + + /* XDP BPF Program */ + unsigned long *af_xdp_zc_qps; + struct bpf_prog *xdp_prog; + + struct devlink *devlink; }; enum stmmac_state { @@ -214,20 +381,69 @@ enum stmmac_state { STMMAC_SERVICE_SCHED, }; +extern const struct dev_pm_ops stmmac_simple_pm_ops; + 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_mdio_lock(struct stmmac_priv *priv); +void stmmac_mdio_unlock(struct stmmac_priv *priv); +int stmmac_pcs_setup(struct net_device *ndev); +void stmmac_pcs_clean(struct net_device *ndev); 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_xdp_open(struct net_device *dev); +void stmmac_xdp_release(struct net_device *dev); +int stmmac_get_phy_intf_sel(phy_interface_t interface); int stmmac_resume(struct device *dev); int stmmac_suspend(struct device *dev); -int stmmac_dvr_remove(struct device *dev); +void 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); +int stmmac_set_clk_tx_rate(void *bsp_priv, struct clk *clk_tx_i, + phy_interface_t interface, int speed); + +struct plat_stmmacenet_data *stmmac_plat_dat_alloc(struct device *dev); + +static inline bool stmmac_xdp_is_enabled(struct stmmac_priv *priv) +{ + return !!priv->xdp_prog; +} + +void stmmac_disable_rx_queue(struct stmmac_priv *priv, u32 queue); +void stmmac_enable_rx_queue(struct stmmac_priv *priv, u32 queue); +void stmmac_disable_tx_queue(struct stmmac_priv *priv, u32 queue); +void stmmac_enable_tx_queue(struct stmmac_priv *priv, u32 queue); +int stmmac_xsk_wakeup(struct net_device *dev, u32 queue, u32 flags); +struct timespec64 stmmac_calc_tas_basetime(ktime_t old_base_time, + ktime_t current_time, + u64 cycle_time); + +#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__ */ |