/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ * */ #ifndef AM65_CPSW_NUSS_H_ #define AM65_CPSW_NUSS_H_ #include #include #include #include #include #include #include #include #include #include "am65-cpsw-qos.h" struct am65_cpts; #define HOST_PORT_NUM 0 #define AM65_CPSW_MAX_QUEUES 8 /* both TX & RX */ #define AM65_CPSW_PORT_VLAN_REG_OFFSET 0x014 struct am65_cpsw_slave_data { bool mac_only; struct cpsw_sl *mac_sl; struct device_node *port_np; phy_interface_t phy_if; struct phy *ifphy; struct phy *serdes_phy; bool rx_pause; bool tx_pause; u8 mac_addr[ETH_ALEN]; int port_vlan; struct phylink *phylink; struct phylink_config phylink_config; }; struct am65_cpsw_port { struct am65_cpsw_common *common; struct net_device *ndev; const char *name; u32 port_id; void __iomem *port_base; void __iomem *sgmii_base; void __iomem *stat_base; void __iomem *fetch_ram_base; bool disabled; struct am65_cpsw_slave_data slave; bool tx_ts_enabled; bool rx_ts_enabled; struct am65_cpsw_qos qos; struct devlink_port devlink_port; struct bpf_prog *xdp_prog; struct xdp_rxq_info xdp_rxq[AM65_CPSW_MAX_QUEUES]; /* Only for suspend resume context */ u32 vid_context; }; enum am65_cpsw_tx_buf_type { AM65_CPSW_TX_BUF_TYPE_SKB, AM65_CPSW_TX_BUF_TYPE_XDP_TX, AM65_CPSW_TX_BUF_TYPE_XDP_NDO, }; struct am65_cpsw_host { struct am65_cpsw_common *common; void __iomem *port_base; void __iomem *stat_base; /* Only for suspend resume context */ u32 vid_context; }; struct am65_cpsw_tx_chn { struct device *dma_dev; struct napi_struct napi_tx; struct am65_cpsw_common *common; struct k3_cppi_desc_pool *desc_pool; struct k3_udma_glue_tx_channel *tx_chn; spinlock_t lock; /* protect TX rings in multi-port mode */ struct hrtimer tx_hrtimer; unsigned long tx_pace_timeout; int irq; u32 id; u32 descs_num; unsigned char dsize_log2; char tx_chn_name[128]; u32 rate_mbps; }; struct am65_cpsw_rx_flow { u32 id; struct napi_struct napi_rx; struct am65_cpsw_common *common; int irq; bool irq_disabled; struct hrtimer rx_hrtimer; unsigned long rx_pace_timeout; struct page_pool *page_pool; char name[32]; }; struct am65_cpsw_swdata { u32 flow_id; struct page *page; }; struct am65_cpsw_rx_chn { struct device *dev; struct device *dma_dev; struct k3_cppi_desc_pool *desc_pool; struct k3_udma_glue_rx_channel *rx_chn; u32 descs_num; unsigned char dsize_log2; struct am65_cpsw_rx_flow flows[AM65_CPSW_MAX_QUEUES]; }; #define AM65_CPSW_QUIRK_I2027_NO_TX_CSUM BIT(0) #define AM64_CPSW_QUIRK_DMA_RX_TDOWN_IRQ BIT(1) struct am65_cpsw_pdata { u32 quirks; u64 extra_modes; enum k3_ring_mode fdqring_mode; const char *ale_dev_id; }; enum cpsw_devlink_param_id { AM65_CPSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, AM65_CPSW_DL_PARAM_SWITCH_MODE, }; struct am65_cpsw_devlink { struct am65_cpsw_common *common; }; struct am65_cpsw_common { struct device *dev; struct device *mdio_dev; struct am65_cpsw_pdata pdata; void __iomem *ss_base; void __iomem *cpsw_base; u32 port_num; struct am65_cpsw_host host; struct am65_cpsw_port *ports; u32 disabled_ports_mask; struct net_device *dma_ndev; int usage_count; /* number of opened ports */ struct cpsw_ale *ale; int tx_ch_num; u32 tx_ch_rate_msk; u32 rx_flow_id_base; struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_QUEUES]; struct completion tdown_complete; atomic_t tdown_cnt; int rx_ch_num_flows; struct am65_cpsw_rx_chn rx_chns; u32 nuss_ver; u32 cpsw_ver; unsigned long bus_freq; bool pf_p0_rx_ptype_rrobin; struct am65_cpts *cpts; int est_enabled; bool iet_enabled; bool is_emac_mode; u16 br_members; int default_vlan; struct devlink *devlink; struct net_device *hw_bridge_dev; struct notifier_block am65_cpsw_netdevice_nb; unsigned char switch_id[MAX_PHYS_ITEM_ID_LEN]; /* only for suspend/resume context restore */ u32 *ale_context; }; struct am65_cpsw_ndev_priv { u32 msg_enable; struct am65_cpsw_port *port; bool offload_fwd_mark; /* Serialize access to MAC Merge state between ethtool requests * and link state updates */ struct mutex mm_lock; }; #define am65_ndev_to_priv(ndev) \ ((struct am65_cpsw_ndev_priv *)netdev_priv(ndev)) #define am65_ndev_to_port(ndev) (am65_ndev_to_priv(ndev)->port) #define am65_ndev_to_common(ndev) (am65_ndev_to_port(ndev)->common) #define am65_ndev_to_slave(ndev) (&am65_ndev_to_port(ndev)->slave) #define am65_common_get_host(common) (&(common)->host) #define am65_common_get_port(common, id) (&(common)->ports[(id) - 1]) #define am65_cpsw_napi_to_rx_flow(pnapi) \ container_of(pnapi, struct am65_cpsw_rx_flow, napi_rx) #define am65_cpsw_napi_to_tx_chn(pnapi) \ container_of(pnapi, struct am65_cpsw_tx_chn, napi_tx) #define AM65_CPSW_DRV_NAME "am65-cpsw-nuss" #define AM65_CPSW_IS_CPSW2G(common) ((common)->port_num == 1) extern const struct ethtool_ops am65_cpsw_ethtool_ops_slave; void am65_cpsw_nuss_set_p0_ptype(struct am65_cpsw_common *common); int am65_cpsw_nuss_update_tx_rx_chns(struct am65_cpsw_common *common, int num_tx, int num_rx); bool am65_cpsw_port_dev_check(const struct net_device *dev); #endif /* AM65_CPSW_NUSS_H_ */