1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Sensor-Technik Wiedemann GmbH
3 * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com>
8 #include <linux/ptp_clock_kernel.h>
9 #include <linux/timecounter.h>
10 #include <linux/dsa/sja1105.h>
11 #include <linux/dsa/8021q.h>
13 #include <linux/mutex.h>
14 #include "sja1105_static_config.h"
16 #define SJA1105_NUM_PORTS 5
17 #define SJA1105_NUM_TC 8
18 #define SJA1105ET_FDB_BIN_SIZE 4
19 /* The hardware value is in multiples of 10 ms.
20 * The passed parameter is in multiples of 1 ms.
22 #define SJA1105_AGEING_TIME_MS(ms) ((ms) / 10)
23 #define SJA1105_NUM_L2_POLICERS 45
28 } sja1105_spi_rw_mode_t;
30 #include "sja1105_tas.h"
31 #include "sja1105_ptp.h"
33 /* Keeps the different addresses between E/T and P/Q/R/S */
52 u64 ptpegr_ts[SJA1105_NUM_PORTS];
53 u64 pad_mii_tx[SJA1105_NUM_PORTS];
54 u64 pad_mii_rx[SJA1105_NUM_PORTS];
55 u64 pad_mii_id[SJA1105_NUM_PORTS];
56 u64 cgu_idiv[SJA1105_NUM_PORTS];
57 u64 mii_tx_clk[SJA1105_NUM_PORTS];
58 u64 mii_rx_clk[SJA1105_NUM_PORTS];
59 u64 mii_ext_tx_clk[SJA1105_NUM_PORTS];
60 u64 mii_ext_rx_clk[SJA1105_NUM_PORTS];
61 u64 rgmii_tx_clk[SJA1105_NUM_PORTS];
62 u64 rmii_ref_clk[SJA1105_NUM_PORTS];
63 u64 rmii_ext_tx_clk[SJA1105_NUM_PORTS];
64 u64 mac[SJA1105_NUM_PORTS];
65 u64 mac_hl1[SJA1105_NUM_PORTS];
66 u64 mac_hl2[SJA1105_NUM_PORTS];
67 u64 ether_stats[SJA1105_NUM_PORTS];
68 u64 qlevel[SJA1105_NUM_PORTS];
73 /* Needed for distinction between P and R, and between Q and S
74 * (since the parts with/without SGMII share the same
75 * switch core and device_id)
78 /* E/T and P/Q/R/S have partial timestamps of different sizes.
79 * They must be reconstructed on both families anyway to get the full
83 /* Also SPI commands are of different sizes to retrieve
84 * the egress timestamps.
88 const struct sja1105_dynamic_table_ops *dyn_ops;
89 const struct sja1105_table_ops *static_ops;
90 const struct sja1105_regs *regs;
91 /* Both E/T and P/Q/R/S have quirks when it comes to popping the S-Tag
92 * from double-tagged frames. E/T will pop it only when it's equal to
93 * TPID from the General Parameters Table, while P/Q/R/S will only
94 * pop it when it's equal to TPID2.
97 int (*reset_cmd)(struct dsa_switch *ds);
98 int (*setup_rgmii_delay)(const void *ctx, int port);
99 /* Prototypes from include/net/dsa.h */
100 int (*fdb_add_cmd)(struct dsa_switch *ds, int port,
101 const unsigned char *addr, u16 vid);
102 int (*fdb_del_cmd)(struct dsa_switch *ds, int port,
103 const unsigned char *addr, u16 vid);
104 void (*ptp_cmd_packing)(u8 *buf, struct sja1105_ptp_cmd *cmd,
109 enum sja1105_key_type {
112 SJA1105_KEY_VLAN_UNAWARE_VL,
113 SJA1105_KEY_VLAN_AWARE_VL,
117 enum sja1105_key_type type;
125 /* SJA1105_KEY_VLAN_UNAWARE_VL */
126 /* SJA1105_KEY_VLAN_AWARE_VL */
135 enum sja1105_rule_type {
136 SJA1105_RULE_BCAST_POLICER,
137 SJA1105_RULE_TC_POLICER,
141 enum sja1105_vl_type {
142 SJA1105_VL_NONCRITICAL,
143 SJA1105_VL_RATE_CONSTRAINED,
144 SJA1105_VL_TIME_TRIGGERED,
147 struct sja1105_rule {
148 struct list_head list;
149 unsigned long cookie;
150 unsigned long port_mask;
151 struct sja1105_key key;
152 enum sja1105_rule_type type;
156 /* SJA1105_RULE_BCAST_POLICER */
161 /* SJA1105_RULE_TC_POLICER */
166 /* SJA1105_RULE_VL */
168 enum sja1105_vl_type type;
169 unsigned long destports;
176 struct action_gate_entry *entries;
177 struct flow_stats stats;
182 struct sja1105_flow_block {
183 struct list_head rules;
184 bool l2_policer_used[SJA1105_NUM_L2_POLICERS];
185 int num_virtual_links;
188 struct sja1105_bridge_vlan {
189 struct list_head list;
196 enum sja1105_vlan_state {
197 SJA1105_VLAN_UNAWARE,
198 SJA1105_VLAN_BEST_EFFORT,
199 SJA1105_VLAN_FILTERING_FULL,
202 struct sja1105_private {
203 struct sja1105_static_config static_config;
204 bool rgmii_rx_delay[SJA1105_NUM_PORTS];
205 bool rgmii_tx_delay[SJA1105_NUM_PORTS];
206 bool best_effort_vlan_filtering;
207 const struct sja1105_info *info;
208 struct gpio_desc *reset_gpio;
209 struct spi_device *spidev;
210 struct dsa_switch *ds;
211 struct list_head dsa_8021q_vlans;
212 struct list_head bridge_vlans;
213 struct sja1105_flow_block flow_block;
214 struct sja1105_port ports[SJA1105_NUM_PORTS];
215 /* Serializes transmission of management frames so that
216 * the switch doesn't confuse them with one another.
218 struct mutex mgmt_lock;
219 struct dsa_8021q_context *dsa_8021q_ctx;
220 enum sja1105_vlan_state vlan_state;
221 struct devlink_region **regions;
222 struct sja1105_cbs_entry *cbs;
223 struct sja1105_tagger_data tagger_data;
224 struct sja1105_ptp_data ptp_data;
225 struct sja1105_tas_data tas_data;
228 #include "sja1105_dynamic_config.h"
230 struct sja1105_spi_message {
236 /* From sja1105_main.c */
237 enum sja1105_reset_reason {
238 SJA1105_VLAN_FILTERING = 0,
239 SJA1105_RX_HWTSTAMPING,
242 SJA1105_BEST_EFFORT_POLICING,
243 SJA1105_VIRTUAL_LINKS,
246 int sja1105_static_config_reload(struct sja1105_private *priv,
247 enum sja1105_reset_reason reason);
248 int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled,
249 struct switchdev_trans *trans);
250 void sja1105_frame_memory_partitioning(struct sja1105_private *priv);
252 /* From sja1105_devlink.c */
253 int sja1105_devlink_setup(struct dsa_switch *ds);
254 void sja1105_devlink_teardown(struct dsa_switch *ds);
255 int sja1105_devlink_param_get(struct dsa_switch *ds, u32 id,
256 struct devlink_param_gset_ctx *ctx);
257 int sja1105_devlink_param_set(struct dsa_switch *ds, u32 id,
258 struct devlink_param_gset_ctx *ctx);
259 int sja1105_devlink_info_get(struct dsa_switch *ds,
260 struct devlink_info_req *req,
261 struct netlink_ext_ack *extack);
263 /* From sja1105_spi.c */
264 int sja1105_xfer_buf(const struct sja1105_private *priv,
265 sja1105_spi_rw_mode_t rw, u64 reg_addr,
266 u8 *buf, size_t len);
267 int sja1105_xfer_u32(const struct sja1105_private *priv,
268 sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value,
269 struct ptp_system_timestamp *ptp_sts);
270 int sja1105_xfer_u64(const struct sja1105_private *priv,
271 sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value,
272 struct ptp_system_timestamp *ptp_sts);
273 int static_config_buf_prepare_for_upload(struct sja1105_private *priv,
274 void *config_buf, int buf_len);
275 int sja1105_static_config_upload(struct sja1105_private *priv);
276 int sja1105_inhibit_tx(const struct sja1105_private *priv,
277 unsigned long port_bitmap, bool tx_inhibited);
279 extern const struct sja1105_info sja1105e_info;
280 extern const struct sja1105_info sja1105t_info;
281 extern const struct sja1105_info sja1105p_info;
282 extern const struct sja1105_info sja1105q_info;
283 extern const struct sja1105_info sja1105r_info;
284 extern const struct sja1105_info sja1105s_info;
286 /* From sja1105_clocking.c */
291 } sja1105_mii_role_t;
298 } sja1105_phy_interface_t;
301 SJA1105_SPEED_10MBPS = 3,
302 SJA1105_SPEED_100MBPS = 2,
303 SJA1105_SPEED_1000MBPS = 1,
304 SJA1105_SPEED_AUTO = 0,
307 int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port);
308 int sja1105_clocking_setup_port(struct sja1105_private *priv, int port);
309 int sja1105_clocking_setup(struct sja1105_private *priv);
311 /* From sja1105_ethtool.c */
312 void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data);
313 void sja1105_get_strings(struct dsa_switch *ds, int port,
314 u32 stringset, u8 *data);
315 int sja1105_get_sset_count(struct dsa_switch *ds, int port, int sset);
317 /* From sja1105_dynamic_config.c */
318 int sja1105_dynamic_config_read(struct sja1105_private *priv,
319 enum sja1105_blk_idx blk_idx,
320 int index, void *entry);
321 int sja1105_dynamic_config_write(struct sja1105_private *priv,
322 enum sja1105_blk_idx blk_idx,
323 int index, void *entry, bool keep);
326 SJA1105_C_TAG = 0, /* Inner VLAN header */
327 SJA1105_S_TAG = 1, /* Outer VLAN header */
330 u8 sja1105et_fdb_hash(struct sja1105_private *priv, const u8 *addr, u16 vid);
331 int sja1105et_fdb_add(struct dsa_switch *ds, int port,
332 const unsigned char *addr, u16 vid);
333 int sja1105et_fdb_del(struct dsa_switch *ds, int port,
334 const unsigned char *addr, u16 vid);
335 int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
336 const unsigned char *addr, u16 vid);
337 int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,
338 const unsigned char *addr, u16 vid);
340 /* From sja1105_flower.c */
341 int sja1105_cls_flower_del(struct dsa_switch *ds, int port,
342 struct flow_cls_offload *cls, bool ingress);
343 int sja1105_cls_flower_add(struct dsa_switch *ds, int port,
344 struct flow_cls_offload *cls, bool ingress);
345 int sja1105_cls_flower_stats(struct dsa_switch *ds, int port,
346 struct flow_cls_offload *cls, bool ingress);
347 void sja1105_flower_setup(struct dsa_switch *ds);
348 void sja1105_flower_teardown(struct dsa_switch *ds);
349 struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv,
350 unsigned long cookie);