| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH |
| * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> |
| */ |
| #ifndef _SJA1105_H |
| #define _SJA1105_H |
| |
| #include <linux/ptp_clock_kernel.h> |
| #include <linux/timecounter.h> |
| #include <linux/dsa/sja1105.h> |
| #include <linux/dsa/8021q.h> |
| #include <net/dsa.h> |
| #include <linux/mutex.h> |
| #include "sja1105_static_config.h" |
| |
| #define SJA1105_NUM_PORTS 5 |
| #define SJA1105_NUM_TC 8 |
| #define SJA1105ET_FDB_BIN_SIZE 4 |
| /* The hardware value is in multiples of 10 ms. |
| * The passed parameter is in multiples of 1 ms. |
| */ |
| #define SJA1105_AGEING_TIME_MS(ms) ((ms) / 10) |
| #define SJA1105_NUM_L2_POLICERS 45 |
| |
| typedef enum { |
| SPI_READ = 0, |
| SPI_WRITE = 1, |
| } sja1105_spi_rw_mode_t; |
| |
| #include "sja1105_tas.h" |
| #include "sja1105_ptp.h" |
| |
| /* Keeps the different addresses between E/T and P/Q/R/S */ |
| struct sja1105_regs { |
| u64 device_id; |
| u64 prod_id; |
| u64 status; |
| u64 port_control; |
| u64 rgu; |
| u64 vl_status; |
| u64 config; |
| u64 sgmii; |
| u64 rmii_pll1; |
| u64 ptppinst; |
| u64 ptppindur; |
| u64 ptp_control; |
| u64 ptpclkval; |
| u64 ptpclkrate; |
| u64 ptpclkcorp; |
| u64 ptpsyncts; |
| u64 ptpschtm; |
| u64 ptpegr_ts[SJA1105_NUM_PORTS]; |
| u64 pad_mii_tx[SJA1105_NUM_PORTS]; |
| u64 pad_mii_rx[SJA1105_NUM_PORTS]; |
| u64 pad_mii_id[SJA1105_NUM_PORTS]; |
| u64 cgu_idiv[SJA1105_NUM_PORTS]; |
| u64 mii_tx_clk[SJA1105_NUM_PORTS]; |
| u64 mii_rx_clk[SJA1105_NUM_PORTS]; |
| u64 mii_ext_tx_clk[SJA1105_NUM_PORTS]; |
| u64 mii_ext_rx_clk[SJA1105_NUM_PORTS]; |
| u64 rgmii_tx_clk[SJA1105_NUM_PORTS]; |
| u64 rmii_ref_clk[SJA1105_NUM_PORTS]; |
| u64 rmii_ext_tx_clk[SJA1105_NUM_PORTS]; |
| u64 mac[SJA1105_NUM_PORTS]; |
| u64 mac_hl1[SJA1105_NUM_PORTS]; |
| u64 mac_hl2[SJA1105_NUM_PORTS]; |
| u64 ether_stats[SJA1105_NUM_PORTS]; |
| u64 qlevel[SJA1105_NUM_PORTS]; |
| }; |
| |
| struct sja1105_info { |
| u64 device_id; |
| /* Needed for distinction between P and R, and between Q and S |
| * (since the parts with/without SGMII share the same |
| * switch core and device_id) |
| */ |
| u64 part_no; |
| /* E/T and P/Q/R/S have partial timestamps of different sizes. |
| * They must be reconstructed on both families anyway to get the full |
| * 64-bit values back. |
| */ |
| int ptp_ts_bits; |
| /* Also SPI commands are of different sizes to retrieve |
| * the egress timestamps. |
| */ |
| int ptpegr_ts_bytes; |
| int num_cbs_shapers; |
| const struct sja1105_dynamic_table_ops *dyn_ops; |
| const struct sja1105_table_ops *static_ops; |
| const struct sja1105_regs *regs; |
| /* Both E/T and P/Q/R/S have quirks when it comes to popping the S-Tag |
| * from double-tagged frames. E/T will pop it only when it's equal to |
| * TPID from the General Parameters Table, while P/Q/R/S will only |
| * pop it when it's equal to TPID2. |
| */ |
| u16 qinq_tpid; |
| int (*reset_cmd)(struct dsa_switch *ds); |
| int (*setup_rgmii_delay)(const void *ctx, int port); |
| /* Prototypes from include/net/dsa.h */ |
| int (*fdb_add_cmd)(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| int (*fdb_del_cmd)(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| void (*ptp_cmd_packing)(u8 *buf, struct sja1105_ptp_cmd *cmd, |
| enum packing_op op); |
| const char *name; |
| }; |
| |
| enum sja1105_key_type { |
| SJA1105_KEY_BCAST, |
| SJA1105_KEY_TC, |
| SJA1105_KEY_VLAN_UNAWARE_VL, |
| SJA1105_KEY_VLAN_AWARE_VL, |
| }; |
| |
| struct sja1105_key { |
| enum sja1105_key_type type; |
| |
| union { |
| /* SJA1105_KEY_TC */ |
| struct { |
| int pcp; |
| } tc; |
| |
| /* SJA1105_KEY_VLAN_UNAWARE_VL */ |
| /* SJA1105_KEY_VLAN_AWARE_VL */ |
| struct { |
| u64 dmac; |
| u16 vid; |
| u16 pcp; |
| } vl; |
| }; |
| }; |
| |
| enum sja1105_rule_type { |
| SJA1105_RULE_BCAST_POLICER, |
| SJA1105_RULE_TC_POLICER, |
| SJA1105_RULE_VL, |
| }; |
| |
| enum sja1105_vl_type { |
| SJA1105_VL_NONCRITICAL, |
| SJA1105_VL_RATE_CONSTRAINED, |
| SJA1105_VL_TIME_TRIGGERED, |
| }; |
| |
| struct sja1105_rule { |
| struct list_head list; |
| unsigned long cookie; |
| unsigned long port_mask; |
| struct sja1105_key key; |
| enum sja1105_rule_type type; |
| |
| /* Action */ |
| union { |
| /* SJA1105_RULE_BCAST_POLICER */ |
| struct { |
| int sharindx; |
| } bcast_pol; |
| |
| /* SJA1105_RULE_TC_POLICER */ |
| struct { |
| int sharindx; |
| } tc_pol; |
| |
| /* SJA1105_RULE_VL */ |
| struct { |
| enum sja1105_vl_type type; |
| unsigned long destports; |
| int sharindx; |
| int maxlen; |
| int ipv; |
| u64 base_time; |
| u64 cycle_time; |
| int num_entries; |
| struct action_gate_entry *entries; |
| struct flow_stats stats; |
| } vl; |
| }; |
| }; |
| |
| struct sja1105_flow_block { |
| struct list_head rules; |
| bool l2_policer_used[SJA1105_NUM_L2_POLICERS]; |
| int num_virtual_links; |
| }; |
| |
| struct sja1105_bridge_vlan { |
| struct list_head list; |
| int port; |
| u16 vid; |
| bool pvid; |
| bool untagged; |
| }; |
| |
| enum sja1105_vlan_state { |
| SJA1105_VLAN_UNAWARE, |
| SJA1105_VLAN_BEST_EFFORT, |
| SJA1105_VLAN_FILTERING_FULL, |
| }; |
| |
| struct sja1105_private { |
| struct sja1105_static_config static_config; |
| bool rgmii_rx_delay[SJA1105_NUM_PORTS]; |
| bool rgmii_tx_delay[SJA1105_NUM_PORTS]; |
| bool best_effort_vlan_filtering; |
| const struct sja1105_info *info; |
| struct gpio_desc *reset_gpio; |
| struct spi_device *spidev; |
| struct dsa_switch *ds; |
| struct list_head dsa_8021q_vlans; |
| struct list_head bridge_vlans; |
| struct list_head crosschip_links; |
| struct sja1105_flow_block flow_block; |
| struct sja1105_port ports[SJA1105_NUM_PORTS]; |
| /* Serializes transmission of management frames so that |
| * the switch doesn't confuse them with one another. |
| */ |
| struct mutex mgmt_lock; |
| bool expect_dsa_8021q; |
| enum sja1105_vlan_state vlan_state; |
| struct sja1105_cbs_entry *cbs; |
| struct sja1105_tagger_data tagger_data; |
| struct sja1105_ptp_data ptp_data; |
| struct sja1105_tas_data tas_data; |
| }; |
| |
| #include "sja1105_dynamic_config.h" |
| |
| struct sja1105_spi_message { |
| u64 access; |
| u64 read_count; |
| u64 address; |
| }; |
| |
| /* From sja1105_main.c */ |
| enum sja1105_reset_reason { |
| SJA1105_VLAN_FILTERING = 0, |
| SJA1105_RX_HWTSTAMPING, |
| SJA1105_AGEING_TIME, |
| SJA1105_SCHEDULING, |
| SJA1105_BEST_EFFORT_POLICING, |
| SJA1105_VIRTUAL_LINKS, |
| }; |
| |
| int sja1105_static_config_reload(struct sja1105_private *priv, |
| enum sja1105_reset_reason reason); |
| |
| void sja1105_frame_memory_partitioning(struct sja1105_private *priv); |
| |
| /* From sja1105_spi.c */ |
| int sja1105_xfer_buf(const struct sja1105_private *priv, |
| sja1105_spi_rw_mode_t rw, u64 reg_addr, |
| u8 *buf, size_t len); |
| int sja1105_xfer_u32(const struct sja1105_private *priv, |
| sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value, |
| struct ptp_system_timestamp *ptp_sts); |
| int sja1105_xfer_u64(const struct sja1105_private *priv, |
| sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value, |
| struct ptp_system_timestamp *ptp_sts); |
| int sja1105_static_config_upload(struct sja1105_private *priv); |
| int sja1105_inhibit_tx(const struct sja1105_private *priv, |
| unsigned long port_bitmap, bool tx_inhibited); |
| |
| extern struct sja1105_info sja1105e_info; |
| extern struct sja1105_info sja1105t_info; |
| extern struct sja1105_info sja1105p_info; |
| extern struct sja1105_info sja1105q_info; |
| extern struct sja1105_info sja1105r_info; |
| extern struct sja1105_info sja1105s_info; |
| |
| /* From sja1105_clocking.c */ |
| |
| typedef enum { |
| XMII_MAC = 0, |
| XMII_PHY = 1, |
| } sja1105_mii_role_t; |
| |
| typedef enum { |
| XMII_MODE_MII = 0, |
| XMII_MODE_RMII = 1, |
| XMII_MODE_RGMII = 2, |
| XMII_MODE_SGMII = 3, |
| } sja1105_phy_interface_t; |
| |
| typedef enum { |
| SJA1105_SPEED_10MBPS = 3, |
| SJA1105_SPEED_100MBPS = 2, |
| SJA1105_SPEED_1000MBPS = 1, |
| SJA1105_SPEED_AUTO = 0, |
| } sja1105_speed_t; |
| |
| int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port); |
| int sja1105_clocking_setup_port(struct sja1105_private *priv, int port); |
| int sja1105_clocking_setup(struct sja1105_private *priv); |
| |
| /* From sja1105_ethtool.c */ |
| void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data); |
| void sja1105_get_strings(struct dsa_switch *ds, int port, |
| u32 stringset, u8 *data); |
| int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset); |
| |
| /* From sja1105_dynamic_config.c */ |
| int sja1105_dynamic_config_read(struct sja1105_private *priv, |
| enum sja1105_blk_idx blk_idx, |
| int index, void *entry); |
| int sja1105_dynamic_config_write(struct sja1105_private *priv, |
| enum sja1105_blk_idx blk_idx, |
| int index, void *entry, bool keep); |
| |
| enum sja1105_iotag { |
| SJA1105_C_TAG = 0, /* Inner VLAN header */ |
| SJA1105_S_TAG = 1, /* Outer VLAN header */ |
| }; |
| |
| u8 sja1105et_fdb_hash(struct sja1105_private *priv, const u8 *addr, u16 vid); |
| int sja1105et_fdb_add(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| int sja1105et_fdb_del(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, |
| const unsigned char *addr, u16 vid); |
| |
| /* From sja1105_flower.c */ |
| int sja1105_cls_flower_del(struct dsa_switch *ds, int port, |
| struct flow_cls_offload *cls, bool ingress); |
| int sja1105_cls_flower_add(struct dsa_switch *ds, int port, |
| struct flow_cls_offload *cls, bool ingress); |
| int sja1105_cls_flower_stats(struct dsa_switch *ds, int port, |
| struct flow_cls_offload *cls, bool ingress); |
| void sja1105_flower_setup(struct dsa_switch *ds); |
| void sja1105_flower_teardown(struct dsa_switch *ds); |
| struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv, |
| unsigned long cookie); |
| |
| #endif |
