diff options
Diffstat (limited to 'drivers/net/ethernet/ti/am65-cpsw-nuss.h')
| -rw-r--r-- | drivers/net/ethernet/ti/am65-cpsw-nuss.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h new file mode 100644 index 000000000000..2c9850fdfcb6 --- /dev/null +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -0,0 +1,192 @@ +/* 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 <linux/if_ether.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/phylink.h> +#include <linux/platform_device.h> +#include <linux/soc/ti/k3-ringacc.h> +#include <net/devlink.h> +#include "am65-cpsw-qos.h" + +struct am65_cpts; + +#define HOST_PORT_NUM 0 + +#define AM65_CPSW_MAX_TX_QUEUES 8 +#define AM65_CPSW_MAX_RX_QUEUES 1 +#define AM65_CPSW_MAX_RX_FLOWS 1 + +#define AM65_CPSW_PORT_VLAN_REG_OFFSET 0x014 + +struct am65_cpsw_slave_data { + bool mac_only; + struct cpsw_sl *mac_sl; + struct device_node *phy_node; + phy_interface_t phy_if; + struct phy *ifphy; + 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 am65_cpsw_host { + struct am65_cpsw_common *common; + void __iomem *port_base; + void __iomem *stat_base; +}; + +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 */ + int irq; + u32 id; + u32 descs_num; + char tx_chn_name[128]; +}; + +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; + int irq; +}; + +#define AM65_CPSW_QUIRK_I2027_NO_TX_CSUM BIT(0) + +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 rx_flow_id_base; + + struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_TX_QUEUES]; + struct completion tdown_complete; + atomic_t tdown_cnt; + + struct am65_cpsw_rx_chn rx_chns; + struct napi_struct napi_rx; + + bool rx_irq_disabled; + + u32 nuss_ver; + u32 cpsw_ver; + unsigned long bus_freq; + bool pf_p0_rx_ptype_rrobin; + struct am65_cpts *cpts; + int est_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]; +}; + +struct am65_cpsw_ndev_stats { + u64 tx_packets; + u64 tx_bytes; + u64 rx_packets; + u64 rx_bytes; + struct u64_stats_sync syncp; +}; + +struct am65_cpsw_ndev_priv { + u32 msg_enable; + struct am65_cpsw_port *port; + struct am65_cpsw_ndev_stats __percpu *stats; + bool offload_fwd_mark; +}; + +#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_common(pnapi) \ + container_of(pnapi, struct am65_cpsw_common, 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_adjust_link(struct net_device *ndev); +void am65_cpsw_nuss_set_p0_ptype(struct am65_cpsw_common *common); +void am65_cpsw_nuss_remove_tx_chns(struct am65_cpsw_common *common); +int am65_cpsw_nuss_update_tx_chns(struct am65_cpsw_common *common, int num_tx); + +bool am65_cpsw_port_dev_check(const struct net_device *dev); + +#endif /* AM65_CPSW_NUSS_H_ */ |