1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /* Microchip Sparx5 Switch driver
3  *
4  * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
5  */
6 
7 #ifndef __SPARX5_MAIN_H__
8 #define __SPARX5_MAIN_H__
9 
10 #include <linux/types.h>
11 #include <linux/phy/phy.h>
12 #include <linux/netdevice.h>
13 #include <linux/phy.h>
14 #include <linux/if_vlan.h>
15 #include <linux/bitmap.h>
16 #include <linux/phylink.h>
17 #include <linux/net_tstamp.h>
18 #include <linux/ptp_clock_kernel.h>
19 #include <linux/hrtimer.h>
20 #include <linux/debugfs.h>
21 
22 #include "sparx5_main_regs.h"
23 
24 /* Target chip type */
25 enum spx5_target_chiptype {
26 	SPX5_TARGET_CT_7546    = 0x7546,  /* SparX-5-64  Enterprise */
27 	SPX5_TARGET_CT_7549    = 0x7549,  /* SparX-5-90  Enterprise */
28 	SPX5_TARGET_CT_7552    = 0x7552,  /* SparX-5-128 Enterprise */
29 	SPX5_TARGET_CT_7556    = 0x7556,  /* SparX-5-160 Enterprise */
30 	SPX5_TARGET_CT_7558    = 0x7558,  /* SparX-5-200 Enterprise */
31 	SPX5_TARGET_CT_7546TSN = 0x47546, /* SparX-5-64i Industrial */
32 	SPX5_TARGET_CT_7549TSN = 0x47549, /* SparX-5-90i Industrial */
33 	SPX5_TARGET_CT_7552TSN = 0x47552, /* SparX-5-128i Industrial */
34 	SPX5_TARGET_CT_7556TSN = 0x47556, /* SparX-5-160i Industrial */
35 	SPX5_TARGET_CT_7558TSN = 0x47558, /* SparX-5-200i Industrial */
36 };
37 
38 enum sparx5_port_max_tags {
39 	SPX5_PORT_MAX_TAGS_NONE,  /* No extra tags allowed */
40 	SPX5_PORT_MAX_TAGS_ONE,   /* Single tag allowed */
41 	SPX5_PORT_MAX_TAGS_TWO    /* Single and double tag allowed */
42 };
43 
44 enum sparx5_vlan_port_type {
45 	SPX5_VLAN_PORT_TYPE_UNAWARE, /* VLAN unaware port */
46 	SPX5_VLAN_PORT_TYPE_C,       /* C-port */
47 	SPX5_VLAN_PORT_TYPE_S,       /* S-port */
48 	SPX5_VLAN_PORT_TYPE_S_CUSTOM /* S-port using custom type */
49 };
50 
51 #define SPX5_PORTS             65
52 #define SPX5_PORT_CPU          (SPX5_PORTS)  /* Next port is CPU port */
53 #define SPX5_PORT_CPU_0        (SPX5_PORT_CPU + 0) /* CPU Port 65 */
54 #define SPX5_PORT_CPU_1        (SPX5_PORT_CPU + 1) /* CPU Port 66 */
55 #define SPX5_PORT_VD0          (SPX5_PORT_CPU + 2) /* VD0/Port 67 used for IPMC */
56 #define SPX5_PORT_VD1          (SPX5_PORT_CPU + 3) /* VD1/Port 68 used for AFI/OAM */
57 #define SPX5_PORT_VD2          (SPX5_PORT_CPU + 4) /* VD2/Port 69 used for IPinIP*/
58 #define SPX5_PORTS_ALL         (SPX5_PORT_CPU + 5) /* Total number of ports */
59 
60 #define PGID_BASE              SPX5_PORTS /* Starts after port PGIDs */
61 #define PGID_UC_FLOOD          (PGID_BASE + 0)
62 #define PGID_MC_FLOOD          (PGID_BASE + 1)
63 #define PGID_IPV4_MC_DATA      (PGID_BASE + 2)
64 #define PGID_IPV4_MC_CTRL      (PGID_BASE + 3)
65 #define PGID_IPV6_MC_DATA      (PGID_BASE + 4)
66 #define PGID_IPV6_MC_CTRL      (PGID_BASE + 5)
67 #define PGID_BCAST	       (PGID_BASE + 6)
68 #define PGID_CPU	       (PGID_BASE + 7)
69 #define PGID_MCAST_START       (PGID_BASE + 8)
70 
71 #define PGID_TABLE_SIZE	       3290
72 
73 #define IFH_LEN                9 /* 36 bytes */
74 #define NULL_VID               0
75 #define SPX5_MACT_PULL_DELAY   (2 * HZ)
76 #define SPX5_STATS_CHECK_DELAY (1 * HZ)
77 #define SPX5_PRIOS             8     /* Number of priority queues */
78 #define SPX5_BUFFER_CELL_SZ    184   /* Cell size  */
79 #define SPX5_BUFFER_MEMORY     4194280 /* 22795 words * 184 bytes */
80 
81 #define XTR_QUEUE     0
82 #define INJ_QUEUE     0
83 
84 #define FDMA_DCB_MAX			64
85 #define FDMA_RX_DCB_MAX_DBS		15
86 #define FDMA_TX_DCB_MAX_DBS		1
87 
88 #define SPARX5_PHC_COUNT		3
89 #define SPARX5_PHC_PORT			0
90 
91 #define IFH_REW_OP_NOOP			0x0
92 #define IFH_REW_OP_ONE_STEP_PTP		0x3
93 #define IFH_REW_OP_TWO_STEP_PTP		0x4
94 
95 #define IFH_PDU_TYPE_NONE		0x0
96 #define IFH_PDU_TYPE_PTP		0x5
97 #define IFH_PDU_TYPE_IPV4_UDP_PTP	0x6
98 #define IFH_PDU_TYPE_IPV6_UDP_PTP	0x7
99 
100 struct sparx5;
101 
102 struct sparx5_db_hw {
103 	u64 dataptr;
104 	u64 status;
105 };
106 
107 struct sparx5_rx_dcb_hw {
108 	u64 nextptr;
109 	u64 info;
110 	struct sparx5_db_hw db[FDMA_RX_DCB_MAX_DBS];
111 };
112 
113 struct sparx5_tx_dcb_hw {
114 	u64 nextptr;
115 	u64 info;
116 	struct sparx5_db_hw db[FDMA_TX_DCB_MAX_DBS];
117 };
118 
119 /* Frame DMA receive state:
120  * For each DB, there is a SKB, and the skb data pointer is mapped in
121  * the DB. Once a frame is received the skb is given to the upper layers
122  * and a new skb is added to the dcb.
123  * When the db_index reached FDMA_RX_DCB_MAX_DBS the DB is reused.
124  */
125 struct sparx5_rx {
126 	struct sparx5_rx_dcb_hw *dcb_entries;
127 	struct sparx5_rx_dcb_hw *last_entry;
128 	struct sk_buff *skb[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS];
129 	int db_index;
130 	int dcb_index;
131 	dma_addr_t dma;
132 	struct napi_struct napi;
133 	u32 channel_id;
134 	struct net_device *ndev;
135 	u64 packets;
136 };
137 
138 /* Frame DMA transmit state:
139  * DCBs are chained using the DCBs nextptr field.
140  */
141 struct sparx5_tx {
142 	struct sparx5_tx_dcb_hw *curr_entry;
143 	struct sparx5_tx_dcb_hw *first_entry;
144 	struct list_head db_list;
145 	dma_addr_t dma;
146 	u32 channel_id;
147 	u64 packets;
148 	u64 dropped;
149 };
150 
151 struct sparx5_port_config {
152 	phy_interface_t portmode;
153 	u32 bandwidth;
154 	int speed;
155 	int duplex;
156 	enum phy_media media;
157 	bool inband;
158 	bool power_down;
159 	bool autoneg;
160 	bool serdes_reset;
161 	u32 pause;
162 	u32 pause_adv;
163 	phy_interface_t phy_mode;
164 	u32 sd_sgpio;
165 };
166 
167 struct sparx5_port {
168 	struct net_device *ndev;
169 	struct sparx5 *sparx5;
170 	struct device_node *of_node;
171 	struct phy *serdes;
172 	struct sparx5_port_config conf;
173 	struct phylink_config phylink_config;
174 	struct phylink *phylink;
175 	struct phylink_pcs phylink_pcs;
176 	u16 portno;
177 	/* Ingress default VLAN (pvid) */
178 	u16 pvid;
179 	/* Egress default VLAN (vid) */
180 	u16 vid;
181 	bool signd_internal;
182 	bool signd_active_high;
183 	bool signd_enable;
184 	bool flow_control;
185 	enum sparx5_port_max_tags max_vlan_tags;
186 	enum sparx5_vlan_port_type vlan_type;
187 	u32 custom_etype;
188 	bool vlan_aware;
189 	struct hrtimer inj_timer;
190 	/* ptp */
191 	u8 ptp_cmd;
192 	u16 ts_id;
193 	struct sk_buff_head tx_skbs;
194 	bool is_mrouter;
195 	struct list_head tc_templates; /* list of TC templates on this port */
196 };
197 
198 enum sparx5_core_clockfreq {
199 	SPX5_CORE_CLOCK_DEFAULT,  /* Defaults to the highest supported frequency */
200 	SPX5_CORE_CLOCK_250MHZ,   /* 250MHZ core clock frequency */
201 	SPX5_CORE_CLOCK_500MHZ,   /* 500MHZ core clock frequency */
202 	SPX5_CORE_CLOCK_625MHZ,   /* 625MHZ core clock frequency */
203 };
204 
205 struct sparx5_phc {
206 	struct ptp_clock *clock;
207 	struct ptp_clock_info info;
208 	struct kernel_hwtstamp_config hwtstamp_config;
209 	struct sparx5 *sparx5;
210 	u8 index;
211 };
212 
213 struct sparx5_skb_cb {
214 	u8 rew_op;
215 	u8 pdu_type;
216 	u8 pdu_w16_offset;
217 	u16 ts_id;
218 	unsigned long jiffies;
219 };
220 
221 struct sparx5_mdb_entry {
222 	struct list_head list;
223 	DECLARE_BITMAP(port_mask, SPX5_PORTS);
224 	unsigned char addr[ETH_ALEN];
225 	bool cpu_copy;
226 	u16 vid;
227 	u16 pgid_idx;
228 };
229 
230 #define SPARX5_PTP_TIMEOUT		msecs_to_jiffies(10)
231 #define SPARX5_SKB_CB(skb) \
232 	((struct sparx5_skb_cb *)((skb)->cb))
233 
234 struct sparx5 {
235 	struct platform_device *pdev;
236 	struct device *dev;
237 	u32 chip_id;
238 	enum spx5_target_chiptype target_ct;
239 	void __iomem *regs[NUM_TARGETS];
240 	int port_count;
241 	struct mutex lock; /* MAC reg lock */
242 	/* port structures are in net device */
243 	struct sparx5_port *ports[SPX5_PORTS];
244 	enum sparx5_core_clockfreq coreclock;
245 	/* Statistics */
246 	u32 num_stats;
247 	u32 num_ethtool_stats;
248 	const char * const *stats_layout;
249 	u64 *stats;
250 	/* Workqueue for reading stats */
251 	struct mutex queue_stats_lock;
252 	struct delayed_work stats_work;
253 	struct workqueue_struct *stats_queue;
254 	/* Notifiers */
255 	struct notifier_block netdevice_nb;
256 	struct notifier_block switchdev_nb;
257 	struct notifier_block switchdev_blocking_nb;
258 	/* Switch state */
259 	u8 base_mac[ETH_ALEN];
260 	/* Associated bridge device (when bridged) */
261 	struct net_device *hw_bridge_dev;
262 	/* Bridged interfaces */
263 	DECLARE_BITMAP(bridge_mask, SPX5_PORTS);
264 	DECLARE_BITMAP(bridge_fwd_mask, SPX5_PORTS);
265 	DECLARE_BITMAP(bridge_lrn_mask, SPX5_PORTS);
266 	DECLARE_BITMAP(vlan_mask[VLAN_N_VID], SPX5_PORTS);
267 	/* SW MAC table */
268 	struct list_head mact_entries;
269 	/* mac table list (mact_entries) mutex */
270 	struct mutex mact_lock;
271 	/* SW MDB table */
272 	struct list_head mdb_entries;
273 	/* mdb list mutex */
274 	struct mutex mdb_lock;
275 	struct delayed_work mact_work;
276 	struct workqueue_struct *mact_queue;
277 	/* Board specifics */
278 	bool sd_sgpio_remapping;
279 	/* Register based inj/xtr */
280 	int xtr_irq;
281 	/* Frame DMA */
282 	int fdma_irq;
283 	spinlock_t tx_lock; /* lock for frame transmission */
284 	struct sparx5_rx rx;
285 	struct sparx5_tx tx;
286 	/* PTP */
287 	bool ptp;
288 	struct sparx5_phc phc[SPARX5_PHC_COUNT];
289 	spinlock_t ptp_clock_lock; /* lock for phc */
290 	spinlock_t ptp_ts_id_lock; /* lock for ts_id */
291 	struct mutex ptp_lock; /* lock for ptp interface state */
292 	u16 ptp_skbs;
293 	int ptp_irq;
294 	/* VCAP */
295 	struct vcap_control *vcap_ctrl;
296 	/* PGID allocation map */
297 	u8 pgid_map[PGID_TABLE_SIZE];
298 	/* Common root for debugfs */
299 	struct dentry *debugfs_root;
300 };
301 
302 /* sparx5_switchdev.c */
303 int sparx5_register_notifier_blocks(struct sparx5 *sparx5);
304 void sparx5_unregister_notifier_blocks(struct sparx5 *sparx5);
305 
306 /* sparx5_packet.c */
307 struct frame_info {
308 	int src_port;
309 	u32 timestamp;
310 };
311 
312 void sparx5_xtr_flush(struct sparx5 *sparx5, u8 grp);
313 void sparx5_ifh_parse(u32 *ifh, struct frame_info *info);
314 irqreturn_t sparx5_xtr_handler(int irq, void *_priv);
315 netdev_tx_t sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev);
316 int sparx5_manual_injection_mode(struct sparx5 *sparx5);
317 void sparx5_port_inj_timer_setup(struct sparx5_port *port);
318 
319 /* sparx5_fdma.c */
320 int sparx5_fdma_start(struct sparx5 *sparx5);
321 int sparx5_fdma_stop(struct sparx5 *sparx5);
322 int sparx5_fdma_xmit(struct sparx5 *sparx5, u32 *ifh, struct sk_buff *skb);
323 irqreturn_t sparx5_fdma_handler(int irq, void *args);
324 
325 /* sparx5_mactable.c */
326 void sparx5_mact_pull_work(struct work_struct *work);
327 int sparx5_mact_learn(struct sparx5 *sparx5, int port,
328 		      const unsigned char mac[ETH_ALEN], u16 vid);
329 bool sparx5_mact_getnext(struct sparx5 *sparx5,
330 			 unsigned char mac[ETH_ALEN], u16 *vid, u32 *pcfg2);
331 int sparx5_mact_find(struct sparx5 *sparx5,
332 		     const unsigned char mac[ETH_ALEN], u16 vid, u32 *pcfg2);
333 int sparx5_mact_forget(struct sparx5 *sparx5,
334 		       const unsigned char mac[ETH_ALEN], u16 vid);
335 int sparx5_add_mact_entry(struct sparx5 *sparx5,
336 			  struct net_device *dev,
337 			  u16 portno,
338 			  const unsigned char *addr, u16 vid);
339 int sparx5_del_mact_entry(struct sparx5 *sparx5,
340 			  const unsigned char *addr,
341 			  u16 vid);
342 int sparx5_mc_sync(struct net_device *dev, const unsigned char *addr);
343 int sparx5_mc_unsync(struct net_device *dev, const unsigned char *addr);
344 void sparx5_set_ageing(struct sparx5 *sparx5, int msecs);
345 void sparx5_mact_init(struct sparx5 *sparx5);
346 
347 /* sparx5_vlan.c */
348 void sparx5_pgid_update_mask(struct sparx5_port *port, int pgid, bool enable);
349 void sparx5_pgid_clear(struct sparx5 *spx5, int pgid);
350 void sparx5_pgid_read_mask(struct sparx5 *sparx5, int pgid, u32 portmask[3]);
351 void sparx5_update_fwd(struct sparx5 *sparx5);
352 void sparx5_vlan_init(struct sparx5 *sparx5);
353 void sparx5_vlan_port_setup(struct sparx5 *sparx5, int portno);
354 int sparx5_vlan_vid_add(struct sparx5_port *port, u16 vid, bool pvid,
355 			bool untagged);
356 int sparx5_vlan_vid_del(struct sparx5_port *port, u16 vid);
357 void sparx5_vlan_port_apply(struct sparx5 *sparx5, struct sparx5_port *port);
358 
359 /* sparx5_calendar.c */
360 int sparx5_config_auto_calendar(struct sparx5 *sparx5);
361 int sparx5_config_dsm_calendar(struct sparx5 *sparx5);
362 
363 /* sparx5_ethtool.c */
364 void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats);
365 int sparx_stats_init(struct sparx5 *sparx5);
366 
367 /* sparx5_dcb.c */
368 #ifdef CONFIG_SPARX5_DCB
369 int sparx5_dcb_init(struct sparx5 *sparx5);
370 #else
sparx5_dcb_init(struct sparx5 * sparx5)371 static inline int sparx5_dcb_init(struct sparx5 *sparx5)
372 {
373 	return 0;
374 }
375 #endif
376 
377 /* sparx5_netdev.c */
378 void sparx5_set_port_ifh_timestamp(void *ifh_hdr, u64 timestamp);
379 void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op);
380 void sparx5_set_port_ifh_pdu_type(void *ifh_hdr, u32 pdu_type);
381 void sparx5_set_port_ifh_pdu_w16_offset(void *ifh_hdr, u32 pdu_w16_offset);
382 void sparx5_set_port_ifh(void *ifh_hdr, u16 portno);
383 bool sparx5_netdevice_check(const struct net_device *dev);
384 struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno);
385 int sparx5_register_netdevs(struct sparx5 *sparx5);
386 void sparx5_destroy_netdevs(struct sparx5 *sparx5);
387 void sparx5_unregister_netdevs(struct sparx5 *sparx5);
388 
389 /* sparx5_ptp.c */
390 int sparx5_ptp_init(struct sparx5 *sparx5);
391 void sparx5_ptp_deinit(struct sparx5 *sparx5);
392 int sparx5_ptp_hwtstamp_set(struct sparx5_port *port,
393 			    struct kernel_hwtstamp_config *cfg,
394 			    struct netlink_ext_ack *extack);
395 void sparx5_ptp_hwtstamp_get(struct sparx5_port *port,
396 			     struct kernel_hwtstamp_config *cfg);
397 void sparx5_ptp_rxtstamp(struct sparx5 *sparx5, struct sk_buff *skb,
398 			 u64 timestamp);
399 int sparx5_ptp_txtstamp_request(struct sparx5_port *port,
400 				struct sk_buff *skb);
401 void sparx5_ptp_txtstamp_release(struct sparx5_port *port,
402 				 struct sk_buff *skb);
403 irqreturn_t sparx5_ptp_irq_handler(int irq, void *args);
404 int sparx5_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
405 
406 /* sparx5_vcap_impl.c */
407 int sparx5_vcap_init(struct sparx5 *sparx5);
408 void sparx5_vcap_destroy(struct sparx5 *sparx5);
409 
410 /* sparx5_pgid.c */
411 enum sparx5_pgid_type {
412 	SPX5_PGID_FREE,
413 	SPX5_PGID_RESERVED,
414 	SPX5_PGID_MULTICAST,
415 };
416 
417 void sparx5_pgid_init(struct sparx5 *spx5);
418 int sparx5_pgid_alloc_mcast(struct sparx5 *spx5, u16 *idx);
419 int sparx5_pgid_free(struct sparx5 *spx5, u16 idx);
420 
421 /* sparx5_pool.c */
422 struct sparx5_pool_entry {
423 	u16 ref_cnt;
424 	u32 idx; /* tc index */
425 };
426 
427 u32 sparx5_pool_idx_to_id(u32 idx);
428 int sparx5_pool_put(struct sparx5_pool_entry *pool, int size, u32 id);
429 int sparx5_pool_get(struct sparx5_pool_entry *pool, int size, u32 *id);
430 int sparx5_pool_get_with_idx(struct sparx5_pool_entry *pool, int size, u32 idx,
431 			     u32 *id);
432 
433 /* sparx5_sdlb.c */
434 #define SPX5_SDLB_PUP_TOKEN_DISABLE 0x1FFF
435 #define SPX5_SDLB_PUP_TOKEN_MAX (SPX5_SDLB_PUP_TOKEN_DISABLE - 1)
436 #define SPX5_SDLB_GROUP_RATE_MAX 25000000000ULL
437 #define SPX5_SDLB_2CYCLES_TYPE2_THRES_OFFSET 13
438 #define SPX5_SDLB_CNT 4096
439 #define SPX5_SDLB_GROUP_CNT 10
440 #define SPX5_CLK_PER_100PS_DEFAULT 16
441 
442 struct sparx5_sdlb_group {
443 	u64 max_rate;
444 	u32 min_burst;
445 	u32 frame_size;
446 	u32 pup_interval;
447 	u32 nsets;
448 };
449 
450 extern struct sparx5_sdlb_group sdlb_groups[SPX5_SDLB_GROUP_CNT];
451 int sparx5_sdlb_pup_token_get(struct sparx5 *sparx5, u32 pup_interval,
452 			      u64 rate);
453 
454 int sparx5_sdlb_clk_hz_get(struct sparx5 *sparx5);
455 int sparx5_sdlb_group_get_by_rate(struct sparx5 *sparx5, u32 rate, u32 burst);
456 int sparx5_sdlb_group_get_by_index(struct sparx5 *sparx5, u32 idx, u32 *group);
457 
458 int sparx5_sdlb_group_add(struct sparx5 *sparx5, u32 group, u32 idx);
459 int sparx5_sdlb_group_del(struct sparx5 *sparx5, u32 group, u32 idx);
460 
461 void sparx5_sdlb_group_init(struct sparx5 *sparx5, u64 max_rate, u32 min_burst,
462 			    u32 frame_size, u32 idx);
463 
464 /* sparx5_police.c */
465 enum {
466 	/* More policer types will be added later */
467 	SPX5_POL_SERVICE
468 };
469 
470 struct sparx5_policer {
471 	u32 type;
472 	u32 idx;
473 	u64 rate;
474 	u32 burst;
475 	u32 group;
476 	u8 event_mask;
477 };
478 
479 int sparx5_policer_conf_set(struct sparx5 *sparx5, struct sparx5_policer *pol);
480 
481 /* sparx5_psfp.c */
482 #define SPX5_PSFP_GCE_CNT 4
483 #define SPX5_PSFP_SG_CNT 1024
484 #define SPX5_PSFP_SG_MIN_CYCLE_TIME_NS (1 * NSEC_PER_USEC)
485 #define SPX5_PSFP_SG_MAX_CYCLE_TIME_NS ((1 * NSEC_PER_SEC) - 1)
486 #define SPX5_PSFP_SG_MAX_IPV (SPX5_PRIOS - 1)
487 #define SPX5_PSFP_SG_OPEN (SPX5_PSFP_SG_CNT - 1)
488 #define SPX5_PSFP_SG_CYCLE_TIME_DEFAULT 1000000
489 #define SPX5_PSFP_SF_MAX_SDU 16383
490 
491 struct sparx5_psfp_fm {
492 	struct sparx5_policer pol;
493 };
494 
495 struct sparx5_psfp_gce {
496 	bool gate_state;            /* StreamGateState */
497 	u32 interval;               /* TimeInterval */
498 	u32 ipv;                    /* InternalPriorityValue */
499 	u32 maxoctets;              /* IntervalOctetMax */
500 };
501 
502 struct sparx5_psfp_sg {
503 	bool gate_state;            /* PSFPAdminGateStates */
504 	bool gate_enabled;          /* PSFPGateEnabled */
505 	u32 ipv;                    /* PSFPAdminIPV */
506 	struct timespec64 basetime; /* PSFPAdminBaseTime */
507 	u32 cycletime;              /* PSFPAdminCycleTime */
508 	u32 cycletimeext;           /* PSFPAdminCycleTimeExtension */
509 	u32 num_entries;            /* PSFPAdminControlListLength */
510 	struct sparx5_psfp_gce gce[SPX5_PSFP_GCE_CNT];
511 };
512 
513 struct sparx5_psfp_sf {
514 	bool sblock_osize_ena;
515 	bool sblock_osize;
516 	u32 max_sdu;
517 	u32 sgid; /* Gate id */
518 	u32 fmid; /* Flow meter id */
519 };
520 
521 int sparx5_psfp_fm_add(struct sparx5 *sparx5, u32 uidx,
522 		       struct sparx5_psfp_fm *fm, u32 *id);
523 int sparx5_psfp_fm_del(struct sparx5 *sparx5, u32 id);
524 
525 int sparx5_psfp_sg_add(struct sparx5 *sparx5, u32 uidx,
526 		       struct sparx5_psfp_sg *sg, u32 *id);
527 int sparx5_psfp_sg_del(struct sparx5 *sparx5, u32 id);
528 
529 int sparx5_psfp_sf_add(struct sparx5 *sparx5, const struct sparx5_psfp_sf *sf,
530 		       u32 *id);
531 int sparx5_psfp_sf_del(struct sparx5 *sparx5, u32 id);
532 
533 u32 sparx5_psfp_isdx_get_sf(struct sparx5 *sparx5, u32 isdx);
534 u32 sparx5_psfp_isdx_get_fm(struct sparx5 *sparx5, u32 isdx);
535 u32 sparx5_psfp_sf_get_sg(struct sparx5 *sparx5, u32 sfid);
536 void sparx5_isdx_conf_set(struct sparx5 *sparx5, u32 isdx, u32 sfid, u32 fmid);
537 
538 void sparx5_psfp_init(struct sparx5 *sparx5);
539 
540 /* sparx5_qos.c */
541 void sparx5_new_base_time(struct sparx5 *sparx5, const u32 cycle_time,
542 			  const ktime_t org_base_time, ktime_t *new_base_time);
543 
544 /* Clock period in picoseconds */
sparx5_clk_period(enum sparx5_core_clockfreq cclock)545 static inline u32 sparx5_clk_period(enum sparx5_core_clockfreq cclock)
546 {
547 	switch (cclock) {
548 	case SPX5_CORE_CLOCK_250MHZ:
549 		return 4000;
550 	case SPX5_CORE_CLOCK_500MHZ:
551 		return 2000;
552 	case SPX5_CORE_CLOCK_625MHZ:
553 	default:
554 		return 1600;
555 	}
556 }
557 
sparx5_is_baser(phy_interface_t interface)558 static inline bool sparx5_is_baser(phy_interface_t interface)
559 {
560 	return interface == PHY_INTERFACE_MODE_5GBASER ||
561 		   interface == PHY_INTERFACE_MODE_10GBASER ||
562 		   interface == PHY_INTERFACE_MODE_25GBASER;
563 }
564 
565 extern const struct phylink_mac_ops sparx5_phylink_mac_ops;
566 extern const struct phylink_pcs_ops sparx5_phylink_pcs_ops;
567 extern const struct ethtool_ops sparx5_ethtool_ops;
568 extern const struct dcbnl_rtnl_ops sparx5_dcbnl_ops;
569 
570 /* Calculate raw offset */
spx5_offset(int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)571 static inline __pure int spx5_offset(int id, int tinst, int tcnt,
572 				     int gbase, int ginst,
573 				     int gcnt, int gwidth,
574 				     int raddr, int rinst,
575 				     int rcnt, int rwidth)
576 {
577 	WARN_ON((tinst) >= tcnt);
578 	WARN_ON((ginst) >= gcnt);
579 	WARN_ON((rinst) >= rcnt);
580 	return gbase + ((ginst) * gwidth) +
581 		raddr + ((rinst) * rwidth);
582 }
583 
584 /* Read, Write and modify registers content.
585  * The register definition macros start at the id
586  */
spx5_addr(void __iomem * base[],int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)587 static inline void __iomem *spx5_addr(void __iomem *base[],
588 				      int id, int tinst, int tcnt,
589 				      int gbase, int ginst,
590 				      int gcnt, int gwidth,
591 				      int raddr, int rinst,
592 				      int rcnt, int rwidth)
593 {
594 	WARN_ON((tinst) >= tcnt);
595 	WARN_ON((ginst) >= gcnt);
596 	WARN_ON((rinst) >= rcnt);
597 	return base[id + (tinst)] +
598 		gbase + ((ginst) * gwidth) +
599 		raddr + ((rinst) * rwidth);
600 }
601 
spx5_inst_addr(void __iomem * base,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)602 static inline void __iomem *spx5_inst_addr(void __iomem *base,
603 					   int gbase, int ginst,
604 					   int gcnt, int gwidth,
605 					   int raddr, int rinst,
606 					   int rcnt, int rwidth)
607 {
608 	WARN_ON((ginst) >= gcnt);
609 	WARN_ON((rinst) >= rcnt);
610 	return base +
611 		gbase + ((ginst) * gwidth) +
612 		raddr + ((rinst) * rwidth);
613 }
614 
spx5_rd(struct sparx5 * sparx5,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)615 static inline u32 spx5_rd(struct sparx5 *sparx5, int id, int tinst, int tcnt,
616 			  int gbase, int ginst, int gcnt, int gwidth,
617 			  int raddr, int rinst, int rcnt, int rwidth)
618 {
619 	return readl(spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst,
620 			       gcnt, gwidth, raddr, rinst, rcnt, rwidth));
621 }
622 
spx5_inst_rd(void __iomem * iomem,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)623 static inline u32 spx5_inst_rd(void __iomem *iomem, int id, int tinst, int tcnt,
624 			       int gbase, int ginst, int gcnt, int gwidth,
625 			       int raddr, int rinst, int rcnt, int rwidth)
626 {
627 	return readl(spx5_inst_addr(iomem, gbase, ginst,
628 				     gcnt, gwidth, raddr, rinst, rcnt, rwidth));
629 }
630 
spx5_wr(u32 val,struct sparx5 * sparx5,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)631 static inline void spx5_wr(u32 val, struct sparx5 *sparx5,
632 			   int id, int tinst, int tcnt,
633 			   int gbase, int ginst, int gcnt, int gwidth,
634 			   int raddr, int rinst, int rcnt, int rwidth)
635 {
636 	writel(val, spx5_addr(sparx5->regs, id, tinst, tcnt,
637 			      gbase, ginst, gcnt, gwidth,
638 			      raddr, rinst, rcnt, rwidth));
639 }
640 
spx5_inst_wr(u32 val,void __iomem * iomem,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)641 static inline void spx5_inst_wr(u32 val, void __iomem *iomem,
642 				int id, int tinst, int tcnt,
643 				int gbase, int ginst, int gcnt, int gwidth,
644 				int raddr, int rinst, int rcnt, int rwidth)
645 {
646 	writel(val, spx5_inst_addr(iomem,
647 				   gbase, ginst, gcnt, gwidth,
648 				   raddr, rinst, rcnt, rwidth));
649 }
650 
spx5_rmw(u32 val,u32 mask,struct sparx5 * sparx5,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)651 static inline void spx5_rmw(u32 val, u32 mask, struct sparx5 *sparx5,
652 			    int id, int tinst, int tcnt,
653 			    int gbase, int ginst, int gcnt, int gwidth,
654 			    int raddr, int rinst, int rcnt, int rwidth)
655 {
656 	u32 nval;
657 
658 	nval = readl(spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst,
659 			       gcnt, gwidth, raddr, rinst, rcnt, rwidth));
660 	nval = (nval & ~mask) | (val & mask);
661 	writel(nval, spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst,
662 			       gcnt, gwidth, raddr, rinst, rcnt, rwidth));
663 }
664 
spx5_inst_rmw(u32 val,u32 mask,void __iomem * iomem,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)665 static inline void spx5_inst_rmw(u32 val, u32 mask, void __iomem *iomem,
666 				 int id, int tinst, int tcnt,
667 				 int gbase, int ginst, int gcnt, int gwidth,
668 				 int raddr, int rinst, int rcnt, int rwidth)
669 {
670 	u32 nval;
671 
672 	nval = readl(spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr,
673 				    rinst, rcnt, rwidth));
674 	nval = (nval & ~mask) | (val & mask);
675 	writel(nval, spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr,
676 				    rinst, rcnt, rwidth));
677 }
678 
spx5_inst_get(struct sparx5 * sparx5,int id,int tinst)679 static inline void __iomem *spx5_inst_get(struct sparx5 *sparx5, int id, int tinst)
680 {
681 	return sparx5->regs[id + tinst];
682 }
683 
spx5_reg_get(struct sparx5 * sparx5,int id,int tinst,int tcnt,int gbase,int ginst,int gcnt,int gwidth,int raddr,int rinst,int rcnt,int rwidth)684 static inline void __iomem *spx5_reg_get(struct sparx5 *sparx5,
685 					 int id, int tinst, int tcnt,
686 					 int gbase, int ginst, int gcnt, int gwidth,
687 					 int raddr, int rinst, int rcnt, int rwidth)
688 {
689 	return spx5_addr(sparx5->regs, id, tinst, tcnt,
690 			 gbase, ginst, gcnt, gwidth,
691 			 raddr, rinst, rcnt, rwidth);
692 }
693 
694 #endif	/* __SPARX5_MAIN_H__ */
695