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0006 #ifndef AM65_CPSW_NUSS_H_
0007 #define AM65_CPSW_NUSS_H_
0008
0009 #include <linux/if_ether.h>
0010 #include <linux/kernel.h>
0011 #include <linux/module.h>
0012 #include <linux/netdevice.h>
0013 #include <linux/phylink.h>
0014 #include <linux/platform_device.h>
0015 #include <linux/soc/ti/k3-ringacc.h>
0016 #include <net/devlink.h>
0017 #include "am65-cpsw-qos.h"
0018
0019 struct am65_cpts;
0020
0021 #define HOST_PORT_NUM 0
0022
0023 #define AM65_CPSW_MAX_TX_QUEUES 8
0024 #define AM65_CPSW_MAX_RX_QUEUES 1
0025 #define AM65_CPSW_MAX_RX_FLOWS 1
0026
0027 #define AM65_CPSW_PORT_VLAN_REG_OFFSET 0x014
0028
0029 struct am65_cpsw_slave_data {
0030 bool mac_only;
0031 struct cpsw_sl *mac_sl;
0032 struct device_node *phy_node;
0033 phy_interface_t phy_if;
0034 struct phy *ifphy;
0035 bool rx_pause;
0036 bool tx_pause;
0037 u8 mac_addr[ETH_ALEN];
0038 int port_vlan;
0039 struct phylink *phylink;
0040 struct phylink_config phylink_config;
0041 };
0042
0043 struct am65_cpsw_port {
0044 struct am65_cpsw_common *common;
0045 struct net_device *ndev;
0046 const char *name;
0047 u32 port_id;
0048 void __iomem *port_base;
0049 void __iomem *stat_base;
0050 void __iomem *fetch_ram_base;
0051 bool disabled;
0052 struct am65_cpsw_slave_data slave;
0053 bool tx_ts_enabled;
0054 bool rx_ts_enabled;
0055 struct am65_cpsw_qos qos;
0056 struct devlink_port devlink_port;
0057 };
0058
0059 struct am65_cpsw_host {
0060 struct am65_cpsw_common *common;
0061 void __iomem *port_base;
0062 void __iomem *stat_base;
0063 };
0064
0065 struct am65_cpsw_tx_chn {
0066 struct device *dma_dev;
0067 struct napi_struct napi_tx;
0068 struct am65_cpsw_common *common;
0069 struct k3_cppi_desc_pool *desc_pool;
0070 struct k3_udma_glue_tx_channel *tx_chn;
0071 spinlock_t lock;
0072 int irq;
0073 u32 id;
0074 u32 descs_num;
0075 char tx_chn_name[128];
0076 };
0077
0078 struct am65_cpsw_rx_chn {
0079 struct device *dev;
0080 struct device *dma_dev;
0081 struct k3_cppi_desc_pool *desc_pool;
0082 struct k3_udma_glue_rx_channel *rx_chn;
0083 u32 descs_num;
0084 int irq;
0085 };
0086
0087 #define AM65_CPSW_QUIRK_I2027_NO_TX_CSUM BIT(0)
0088
0089 struct am65_cpsw_pdata {
0090 u32 quirks;
0091 enum k3_ring_mode fdqring_mode;
0092 const char *ale_dev_id;
0093 };
0094
0095 enum cpsw_devlink_param_id {
0096 AM65_CPSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
0097 AM65_CPSW_DL_PARAM_SWITCH_MODE,
0098 };
0099
0100 struct am65_cpsw_devlink {
0101 struct am65_cpsw_common *common;
0102 };
0103
0104 struct am65_cpsw_common {
0105 struct device *dev;
0106 struct device *mdio_dev;
0107 struct am65_cpsw_pdata pdata;
0108
0109 void __iomem *ss_base;
0110 void __iomem *cpsw_base;
0111
0112 u32 port_num;
0113 struct am65_cpsw_host host;
0114 struct am65_cpsw_port *ports;
0115 u32 disabled_ports_mask;
0116 struct net_device *dma_ndev;
0117
0118 int usage_count;
0119 struct cpsw_ale *ale;
0120 int tx_ch_num;
0121 u32 rx_flow_id_base;
0122
0123 struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_TX_QUEUES];
0124 struct completion tdown_complete;
0125 atomic_t tdown_cnt;
0126
0127 struct am65_cpsw_rx_chn rx_chns;
0128 struct napi_struct napi_rx;
0129
0130 bool rx_irq_disabled;
0131
0132 u32 nuss_ver;
0133 u32 cpsw_ver;
0134 unsigned long bus_freq;
0135 bool pf_p0_rx_ptype_rrobin;
0136 struct am65_cpts *cpts;
0137 int est_enabled;
0138
0139 bool is_emac_mode;
0140 u16 br_members;
0141 int default_vlan;
0142 struct devlink *devlink;
0143 struct net_device *hw_bridge_dev;
0144 struct notifier_block am65_cpsw_netdevice_nb;
0145 unsigned char switch_id[MAX_PHYS_ITEM_ID_LEN];
0146 };
0147
0148 struct am65_cpsw_ndev_stats {
0149 u64 tx_packets;
0150 u64 tx_bytes;
0151 u64 rx_packets;
0152 u64 rx_bytes;
0153 struct u64_stats_sync syncp;
0154 };
0155
0156 struct am65_cpsw_ndev_priv {
0157 u32 msg_enable;
0158 struct am65_cpsw_port *port;
0159 struct am65_cpsw_ndev_stats __percpu *stats;
0160 bool offload_fwd_mark;
0161 };
0162
0163 #define am65_ndev_to_priv(ndev) \
0164 ((struct am65_cpsw_ndev_priv *)netdev_priv(ndev))
0165 #define am65_ndev_to_port(ndev) (am65_ndev_to_priv(ndev)->port)
0166 #define am65_ndev_to_common(ndev) (am65_ndev_to_port(ndev)->common)
0167 #define am65_ndev_to_slave(ndev) (&am65_ndev_to_port(ndev)->slave)
0168
0169 #define am65_common_get_host(common) (&(common)->host)
0170 #define am65_common_get_port(common, id) (&(common)->ports[(id) - 1])
0171
0172 #define am65_cpsw_napi_to_common(pnapi) \
0173 container_of(pnapi, struct am65_cpsw_common, napi_rx)
0174 #define am65_cpsw_napi_to_tx_chn(pnapi) \
0175 container_of(pnapi, struct am65_cpsw_tx_chn, napi_tx)
0176
0177 #define AM65_CPSW_DRV_NAME "am65-cpsw-nuss"
0178
0179 #define AM65_CPSW_IS_CPSW2G(common) ((common)->port_num == 1)
0180
0181 extern const struct ethtool_ops am65_cpsw_ethtool_ops_slave;
0182
0183 void am65_cpsw_nuss_adjust_link(struct net_device *ndev);
0184 void am65_cpsw_nuss_set_p0_ptype(struct am65_cpsw_common *common);
0185 void am65_cpsw_nuss_remove_tx_chns(struct am65_cpsw_common *common);
0186 int am65_cpsw_nuss_update_tx_chns(struct am65_cpsw_common *common, int num_tx);
0187
0188 bool am65_cpsw_port_dev_check(const struct net_device *dev);
0189
0190 #endif
