1/* SPDX-License-Identifier: GPL-2.0+ */
2
3#ifndef __LAN966X_MAIN_H__
4#define __LAN966X_MAIN_H__
5
6#include <linux/debugfs.h>
7#include <linux/etherdevice.h>
8#include <linux/if_vlan.h>
9#include <linux/jiffies.h>
10#include <linux/phy.h>
11#include <linux/phylink.h>
12#include <linux/ptp_clock_kernel.h>
13#include <net/page_pool/types.h>
14#include <net/pkt_cls.h>
15#include <net/pkt_sched.h>
16#include <net/switchdev.h>
17#include <net/xdp.h>
18
19#include <vcap_api.h>
20#include <vcap_api_client.h>
21
22#include "lan966x_regs.h"
23#include "lan966x_ifh.h"
24
25#define TABLE_UPDATE_SLEEP_US		10
26#define TABLE_UPDATE_TIMEOUT_US		100000
27
28#define READL_SLEEP_US			10
29#define READL_TIMEOUT_US		100000000
30
31#define LAN966X_BUFFER_CELL_SZ		64
32#define LAN966X_BUFFER_MEMORY		(160 * 1024)
33#define LAN966X_BUFFER_MIN_SZ		60
34
35#define LAN966X_HW_MTU(mtu)		((mtu) + ETH_HLEN + ETH_FCS_LEN)
36
37#define PGID_AGGR			64
38#define PGID_SRC			80
39#define PGID_ENTRIES			89
40
41#define UNAWARE_PVID			0
42#define HOST_PVID			4095
43
44/* Reserved amount for (SRC, PRIO) at index 8*SRC + PRIO */
45#define QSYS_Q_RSRV			95
46
47#define NUM_PHYS_PORTS			8
48#define CPU_PORT			8
49#define NUM_PRIO_QUEUES			8
50
51/* Reserved PGIDs */
52#define PGID_CPU			(PGID_AGGR - 6)
53#define PGID_UC				(PGID_AGGR - 5)
54#define PGID_BC				(PGID_AGGR - 4)
55#define PGID_MC				(PGID_AGGR - 3)
56#define PGID_MCIPV4			(PGID_AGGR - 2)
57#define PGID_MCIPV6			(PGID_AGGR - 1)
58
59/* Non-reserved PGIDs, used for general purpose */
60#define PGID_GP_START			(CPU_PORT + 1)
61#define PGID_GP_END			PGID_CPU
62
63#define LAN966X_SPEED_NONE		0
64#define LAN966X_SPEED_2500		1
65#define LAN966X_SPEED_1000		1
66#define LAN966X_SPEED_100		2
67#define LAN966X_SPEED_10		3
68
69#define LAN966X_PHC_COUNT		3
70#define LAN966X_PHC_PORT		0
71#define LAN966X_PHC_PINS_NUM		7
72
73#define IFH_REW_OP_NOOP			0x0
74#define IFH_REW_OP_ONE_STEP_PTP		0x3
75#define IFH_REW_OP_TWO_STEP_PTP		0x4
76
77#define FDMA_RX_DCB_MAX_DBS		1
78#define FDMA_TX_DCB_MAX_DBS		1
79#define FDMA_DCB_INFO_DATAL(x)		((x) & GENMASK(15, 0))
80
81#define FDMA_DCB_STATUS_BLOCKL(x)	((x) & GENMASK(15, 0))
82#define FDMA_DCB_STATUS_SOF		BIT(16)
83#define FDMA_DCB_STATUS_EOF		BIT(17)
84#define FDMA_DCB_STATUS_INTR		BIT(18)
85#define FDMA_DCB_STATUS_DONE		BIT(19)
86#define FDMA_DCB_STATUS_BLOCKO(x)	(((x) << 20) & GENMASK(31, 20))
87#define FDMA_DCB_INVALID_DATA		0x1
88
89#define FDMA_XTR_CHANNEL		6
90#define FDMA_INJ_CHANNEL		0
91#define FDMA_DCB_MAX			512
92
93#define SE_IDX_QUEUE			0  /* 0-79 : Queue scheduler elements */
94#define SE_IDX_PORT			80 /* 80-89 : Port schedular elements */
95
96#define LAN966X_VCAP_CID_IS1_L0 VCAP_CID_INGRESS_L0 /* IS1 lookup 0 */
97#define LAN966X_VCAP_CID_IS1_L1 VCAP_CID_INGRESS_L1 /* IS1 lookup 1 */
98#define LAN966X_VCAP_CID_IS1_L2 VCAP_CID_INGRESS_L2 /* IS1 lookup 2 */
99#define LAN966X_VCAP_CID_IS1_MAX (VCAP_CID_INGRESS_L3 - 1) /* IS1 Max */
100
101#define LAN966X_VCAP_CID_IS2_L0 VCAP_CID_INGRESS_STAGE2_L0 /* IS2 lookup 0 */
102#define LAN966X_VCAP_CID_IS2_L1 VCAP_CID_INGRESS_STAGE2_L1 /* IS2 lookup 1 */
103#define LAN966X_VCAP_CID_IS2_MAX (VCAP_CID_INGRESS_STAGE2_L2 - 1) /* IS2 Max */
104
105#define LAN966X_VCAP_CID_ES0_L0 VCAP_CID_EGRESS_L0 /* ES0 lookup 0 */
106#define LAN966X_VCAP_CID_ES0_MAX (VCAP_CID_EGRESS_L1 - 1) /* ES0 Max */
107
108#define LAN966X_PORT_QOS_PCP_COUNT	8
109#define LAN966X_PORT_QOS_DEI_COUNT	8
110#define LAN966X_PORT_QOS_PCP_DEI_COUNT \
111	(LAN966X_PORT_QOS_PCP_COUNT + LAN966X_PORT_QOS_DEI_COUNT)
112
113#define LAN966X_PORT_QOS_DSCP_COUNT	64
114
115/* Port PCP rewrite mode */
116#define LAN966X_PORT_REW_TAG_CTRL_CLASSIFIED	0
117#define LAN966X_PORT_REW_TAG_CTRL_MAPPED	2
118
119/* Port DSCP rewrite mode */
120#define LAN966X_PORT_REW_DSCP_FRAME		0
121#define LAN966X_PORT_REW_DSCP_ANALIZER		1
122#define LAN966X_PORT_QOS_REWR_DSCP_ALL		3
123
124/* MAC table entry types.
125 * ENTRYTYPE_NORMAL is subject to aging.
126 * ENTRYTYPE_LOCKED is not subject to aging.
127 * ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
128 * ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
129 */
130enum macaccess_entry_type {
131	ENTRYTYPE_NORMAL = 0,
132	ENTRYTYPE_LOCKED,
133	ENTRYTYPE_MACV4,
134	ENTRYTYPE_MACV6,
135};
136
137/* FDMA return action codes for checking if the frame is valid
138 * FDMA_PASS, frame is valid and can be used
139 * FDMA_ERROR, something went wrong, stop getting more frames
140 * FDMA_DROP, frame is dropped, but continue to get more frames
141 * FDMA_TX, frame is given to TX, but continue to get more frames
142 * FDMA_REDIRECT, frame is given to TX, but continue to get more frames
143 */
144enum lan966x_fdma_action {
145	FDMA_PASS = 0,
146	FDMA_ERROR,
147	FDMA_DROP,
148	FDMA_TX,
149	FDMA_REDIRECT,
150};
151
152/* Controls how PORT_MASK is applied */
153enum LAN966X_PORT_MASK_MODE {
154	LAN966X_PMM_NO_ACTION,
155	LAN966X_PMM_REPLACE,
156	LAN966X_PMM_FORWARDING,
157	LAN966X_PMM_REDIRECT,
158};
159
160enum vcap_is2_port_sel_ipv6 {
161	VCAP_IS2_PS_IPV6_TCPUDP_OTHER,
162	VCAP_IS2_PS_IPV6_STD,
163	VCAP_IS2_PS_IPV6_IP4_TCPUDP_IP4_OTHER,
164	VCAP_IS2_PS_IPV6_MAC_ETYPE,
165};
166
167enum vcap_is1_port_sel_other {
168	VCAP_IS1_PS_OTHER_NORMAL,
169	VCAP_IS1_PS_OTHER_7TUPLE,
170	VCAP_IS1_PS_OTHER_DBL_VID,
171	VCAP_IS1_PS_OTHER_DMAC_VID,
172};
173
174enum vcap_is1_port_sel_ipv4 {
175	VCAP_IS1_PS_IPV4_NORMAL,
176	VCAP_IS1_PS_IPV4_7TUPLE,
177	VCAP_IS1_PS_IPV4_5TUPLE_IP4,
178	VCAP_IS1_PS_IPV4_DBL_VID,
179	VCAP_IS1_PS_IPV4_DMAC_VID,
180};
181
182enum vcap_is1_port_sel_ipv6 {
183	VCAP_IS1_PS_IPV6_NORMAL,
184	VCAP_IS1_PS_IPV6_7TUPLE,
185	VCAP_IS1_PS_IPV6_5TUPLE_IP4,
186	VCAP_IS1_PS_IPV6_NORMAL_IP6,
187	VCAP_IS1_PS_IPV6_5TUPLE_IP6,
188	VCAP_IS1_PS_IPV6_DBL_VID,
189	VCAP_IS1_PS_IPV6_DMAC_VID,
190};
191
192enum vcap_is1_port_sel_rt {
193	VCAP_IS1_PS_RT_NORMAL,
194	VCAP_IS1_PS_RT_7TUPLE,
195	VCAP_IS1_PS_RT_DBL_VID,
196	VCAP_IS1_PS_RT_DMAC_VID,
197	VCAP_IS1_PS_RT_FOLLOW_OTHER = 7,
198};
199
200struct lan966x_port;
201
202struct lan966x_db {
203	u64 dataptr;
204	u64 status;
205};
206
207struct lan966x_rx_dcb {
208	u64 nextptr;
209	u64 info;
210	struct lan966x_db db[FDMA_RX_DCB_MAX_DBS];
211};
212
213struct lan966x_tx_dcb {
214	u64 nextptr;
215	u64 info;
216	struct lan966x_db db[FDMA_TX_DCB_MAX_DBS];
217};
218
219struct lan966x_rx {
220	struct lan966x *lan966x;
221
222	/* Pointer to the array of hardware dcbs. */
223	struct lan966x_rx_dcb *dcbs;
224
225	/* Pointer to the last address in the dcbs. */
226	struct lan966x_rx_dcb *last_entry;
227
228	/* For each DB, there is a page */
229	struct page *page[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS];
230
231	/* Represents the db_index, it can have a value between 0 and
232	 * FDMA_RX_DCB_MAX_DBS, once it reaches the value of FDMA_RX_DCB_MAX_DBS
233	 * it means that the DCB can be reused.
234	 */
235	int db_index;
236
237	/* Represents the index in the dcbs. It has a value between 0 and
238	 * FDMA_DCB_MAX
239	 */
240	int dcb_index;
241
242	/* Represents the dma address to the dcbs array */
243	dma_addr_t dma;
244
245	/* Represents the page order that is used to allocate the pages for the
246	 * RX buffers. This value is calculated based on max MTU of the devices.
247	 */
248	u8 page_order;
249
250	/* Represents the max size frame that it can receive to the CPU. This
251	 * includes the IFH + VLAN tags + frame + skb_shared_info
252	 */
253	u32 max_mtu;
254
255	u8 channel_id;
256
257	struct page_pool *page_pool;
258};
259
260struct lan966x_tx_dcb_buf {
261	dma_addr_t dma_addr;
262	struct net_device *dev;
263	union {
264		struct sk_buff *skb;
265		struct xdp_frame *xdpf;
266		struct page *page;
267	} data;
268	u32 len;
269	u32 used : 1;
270	u32 ptp : 1;
271	u32 use_skb : 1;
272	u32 xdp_ndo : 1;
273};
274
275struct lan966x_tx {
276	struct lan966x *lan966x;
277
278	/* Pointer to the dcb list */
279	struct lan966x_tx_dcb *dcbs;
280	u16 last_in_use;
281
282	/* Represents the DMA address to the first entry of the dcb entries. */
283	dma_addr_t dma;
284
285	/* Array of dcbs that are given to the HW */
286	struct lan966x_tx_dcb_buf *dcbs_buf;
287
288	u8 channel_id;
289
290	bool activated;
291};
292
293struct lan966x_stat_layout {
294	u32 offset;
295	char name[ETH_GSTRING_LEN];
296};
297
298struct lan966x_phc {
299	struct ptp_clock *clock;
300	struct ptp_clock_info info;
301	struct ptp_pin_desc pins[LAN966X_PHC_PINS_NUM];
302	struct kernel_hwtstamp_config hwtstamp_config;
303	struct lan966x *lan966x;
304	u8 index;
305};
306
307struct lan966x_skb_cb {
308	u8 rew_op;
309	u16 ts_id;
310	unsigned long jiffies;
311};
312
313#define LAN966X_PTP_TIMEOUT		msecs_to_jiffies(10)
314#define LAN966X_SKB_CB(skb) \
315	((struct lan966x_skb_cb *)((skb)->cb))
316
317struct lan966x {
318	struct device *dev;
319
320	u8 num_phys_ports;
321	struct lan966x_port **ports;
322
323	void __iomem *regs[NUM_TARGETS];
324
325	int shared_queue_sz;
326
327	u8 base_mac[ETH_ALEN];
328
329	spinlock_t tx_lock; /* lock for frame transmition */
330
331	struct net_device *bridge;
332	u16 bridge_mask;
333	u16 bridge_fwd_mask;
334
335	struct list_head mac_entries;
336	spinlock_t mac_lock; /* lock for mac_entries list */
337
338	u16 vlan_mask[VLAN_N_VID];
339	DECLARE_BITMAP(cpu_vlan_mask, VLAN_N_VID);
340
341	/* stats */
342	const struct lan966x_stat_layout *stats_layout;
343	u32 num_stats;
344
345	/* workqueue for reading stats */
346	struct mutex stats_lock;
347	u64 *stats;
348	struct delayed_work stats_work;
349	struct workqueue_struct *stats_queue;
350
351	/* interrupts */
352	int xtr_irq;
353	int ana_irq;
354	int ptp_irq;
355	int fdma_irq;
356	int ptp_ext_irq;
357
358	/* worqueue for fdb */
359	struct workqueue_struct *fdb_work;
360	struct list_head fdb_entries;
361
362	/* mdb */
363	struct list_head mdb_entries;
364	struct list_head pgid_entries;
365
366	/* ptp */
367	bool ptp;
368	struct lan966x_phc phc[LAN966X_PHC_COUNT];
369	spinlock_t ptp_clock_lock; /* lock for phc */
370	spinlock_t ptp_ts_id_lock; /* lock for ts_id */
371	struct mutex ptp_lock; /* lock for ptp interface state */
372	u16 ptp_skbs;
373
374	/* fdma */
375	bool fdma;
376	struct net_device *fdma_ndev;
377	struct lan966x_rx rx;
378	struct lan966x_tx tx;
379	struct napi_struct napi;
380
381	/* Mirror */
382	struct lan966x_port *mirror_monitor;
383	u32 mirror_mask[2];
384	u32 mirror_count;
385
386	/* vcap */
387	struct vcap_control *vcap_ctrl;
388
389	/* debugfs */
390	struct dentry *debugfs_root;
391};
392
393struct lan966x_port_config {
394	phy_interface_t portmode;
395	const unsigned long *advertising;
396	int speed;
397	int duplex;
398	u32 pause;
399	bool inband;
400	bool autoneg;
401};
402
403struct lan966x_port_tc {
404	bool ingress_shared_block;
405	unsigned long police_id;
406	unsigned long ingress_mirror_id;
407	unsigned long egress_mirror_id;
408	struct flow_stats police_stat;
409	struct flow_stats mirror_stat;
410};
411
412struct lan966x_port_qos_pcp {
413	u8 map[LAN966X_PORT_QOS_PCP_DEI_COUNT];
414	bool enable;
415};
416
417struct lan966x_port_qos_dscp {
418	u8 map[LAN966X_PORT_QOS_DSCP_COUNT];
419	bool enable;
420};
421
422struct lan966x_port_qos_pcp_rewr {
423	u16 map[NUM_PRIO_QUEUES];
424	bool enable;
425};
426
427struct lan966x_port_qos_dscp_rewr {
428	u16 map[LAN966X_PORT_QOS_DSCP_COUNT];
429	bool enable;
430};
431
432struct lan966x_port_qos {
433	struct lan966x_port_qos_pcp pcp;
434	struct lan966x_port_qos_dscp dscp;
435	struct lan966x_port_qos_pcp_rewr pcp_rewr;
436	struct lan966x_port_qos_dscp_rewr dscp_rewr;
437	u8 default_prio;
438};
439
440struct lan966x_port {
441	struct net_device *dev;
442	struct lan966x *lan966x;
443
444	u8 chip_port;
445	u16 pvid;
446	u16 vid;
447	bool vlan_aware;
448
449	bool learn_ena;
450	bool mcast_ena;
451
452	struct phylink_config phylink_config;
453	struct phylink_pcs phylink_pcs;
454	struct lan966x_port_config config;
455	struct phylink *phylink;
456	struct phy *serdes;
457	struct fwnode_handle *fwnode;
458
459	u8 ptp_tx_cmd;
460	bool ptp_rx_cmd;
461	u16 ts_id;
462	struct sk_buff_head tx_skbs;
463
464	struct net_device *bond;
465	bool lag_tx_active;
466	enum netdev_lag_hash hash_type;
467
468	struct lan966x_port_tc tc;
469
470	struct bpf_prog *xdp_prog;
471	struct xdp_rxq_info xdp_rxq;
472};
473
474extern const struct phylink_mac_ops lan966x_phylink_mac_ops;
475extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops;
476extern const struct ethtool_ops lan966x_ethtool_ops;
477extern struct notifier_block lan966x_switchdev_nb __read_mostly;
478extern struct notifier_block lan966x_switchdev_blocking_nb __read_mostly;
479
480bool lan966x_netdevice_check(const struct net_device *dev);
481
482void lan966x_register_notifier_blocks(void);
483void lan966x_unregister_notifier_blocks(void);
484
485bool lan966x_hw_offload(struct lan966x *lan966x, u32 port, struct sk_buff *skb);
486
487void lan966x_ifh_get_src_port(void *ifh, u64 *src_port);
488void lan966x_ifh_get_timestamp(void *ifh, u64 *timestamp);
489void lan966x_ifh_set_bypass(void *ifh, u64 bypass);
490void lan966x_ifh_set_port(void *ifh, u64 bypass);
491
492void lan966x_stats_get(struct net_device *dev,
493		       struct rtnl_link_stats64 *stats);
494int lan966x_stats_init(struct lan966x *lan966x);
495
496void lan966x_port_config_down(struct lan966x_port *port);
497void lan966x_port_config_up(struct lan966x_port *port);
498void lan966x_port_status_get(struct lan966x_port *port,
499			     struct phylink_link_state *state);
500int lan966x_port_pcs_set(struct lan966x_port *port,
501			 struct lan966x_port_config *config);
502void lan966x_port_init(struct lan966x_port *port);
503
504void lan966x_port_qos_set(struct lan966x_port *port,
505			  struct lan966x_port_qos *qos);
506void lan966x_port_qos_dscp_rewr_mode_set(struct lan966x_port *port,
507					 int mode);
508
509int lan966x_mac_ip_learn(struct lan966x *lan966x,
510			 bool cpu_copy,
511			 const unsigned char mac[ETH_ALEN],
512			 unsigned int vid,
513			 enum macaccess_entry_type type);
514int lan966x_mac_learn(struct lan966x *lan966x, int port,
515		      const unsigned char mac[ETH_ALEN],
516		      unsigned int vid,
517		      enum macaccess_entry_type type);
518int lan966x_mac_forget(struct lan966x *lan966x,
519		       const unsigned char mac[ETH_ALEN],
520		       unsigned int vid,
521		       enum macaccess_entry_type type);
522int lan966x_mac_cpu_learn(struct lan966x *lan966x, const char *addr, u16 vid);
523int lan966x_mac_cpu_forget(struct lan966x *lan966x, const char *addr, u16 vid);
524void lan966x_mac_init(struct lan966x *lan966x);
525void lan966x_mac_set_ageing(struct lan966x *lan966x,
526			    u32 ageing);
527int lan966x_mac_del_entry(struct lan966x *lan966x,
528			  const unsigned char *addr,
529			  u16 vid);
530int lan966x_mac_add_entry(struct lan966x *lan966x,
531			  struct lan966x_port *port,
532			  const unsigned char *addr,
533			  u16 vid);
534void lan966x_mac_lag_replace_port_entry(struct lan966x *lan966x,
535					struct lan966x_port *src,
536					struct lan966x_port *dst);
537void lan966x_mac_lag_remove_port_entry(struct lan966x *lan966x,
538				       struct lan966x_port *src);
539void lan966x_mac_purge_entries(struct lan966x *lan966x);
540irqreturn_t lan966x_mac_irq_handler(struct lan966x *lan966x);
541
542void lan966x_vlan_init(struct lan966x *lan966x);
543void lan966x_vlan_port_apply(struct lan966x_port *port);
544bool lan966x_vlan_cpu_member_cpu_vlan_mask(struct lan966x *lan966x, u16 vid);
545void lan966x_vlan_port_set_vlan_aware(struct lan966x_port *port,
546				      bool vlan_aware);
547int lan966x_vlan_port_set_vid(struct lan966x_port *port,
548			      u16 vid,
549			      bool pvid,
550			      bool untagged);
551void lan966x_vlan_port_add_vlan(struct lan966x_port *port,
552				u16 vid,
553				bool pvid,
554				bool untagged);
555void lan966x_vlan_port_del_vlan(struct lan966x_port *port, u16 vid);
556void lan966x_vlan_cpu_add_vlan(struct lan966x *lan966x, u16 vid);
557void lan966x_vlan_cpu_del_vlan(struct lan966x *lan966x, u16 vid);
558
559void lan966x_fdb_write_entries(struct lan966x *lan966x, u16 vid);
560void lan966x_fdb_erase_entries(struct lan966x *lan966x, u16 vid);
561int lan966x_fdb_init(struct lan966x *lan966x);
562void lan966x_fdb_deinit(struct lan966x *lan966x);
563void lan966x_fdb_flush_workqueue(struct lan966x *lan966x);
564int lan966x_handle_fdb(struct net_device *dev,
565		       struct net_device *orig_dev,
566		       unsigned long event, const void *ctx,
567		       const struct switchdev_notifier_fdb_info *fdb_info);
568
569void lan966x_mdb_init(struct lan966x *lan966x);
570void lan966x_mdb_deinit(struct lan966x *lan966x);
571int lan966x_handle_port_mdb_add(struct lan966x_port *port,
572				const struct switchdev_obj *obj);
573int lan966x_handle_port_mdb_del(struct lan966x_port *port,
574				const struct switchdev_obj *obj);
575void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid);
576void lan966x_mdb_write_entries(struct lan966x *lan966x, u16 vid);
577void lan966x_mdb_clear_entries(struct lan966x *lan966x);
578void lan966x_mdb_restore_entries(struct lan966x *lan966x);
579
580int lan966x_ptp_init(struct lan966x *lan966x);
581void lan966x_ptp_deinit(struct lan966x *lan966x);
582int lan966x_ptp_hwtstamp_set(struct lan966x_port *port,
583			     struct kernel_hwtstamp_config *cfg,
584			     struct netlink_ext_ack *extack);
585void lan966x_ptp_hwtstamp_get(struct lan966x_port *port,
586			      struct kernel_hwtstamp_config *cfg);
587void lan966x_ptp_rxtstamp(struct lan966x *lan966x, struct sk_buff *skb,
588			  u64 src_port, u64 timestamp);
589int lan966x_ptp_txtstamp_request(struct lan966x_port *port,
590				 struct sk_buff *skb);
591void lan966x_ptp_txtstamp_release(struct lan966x_port *port,
592				  struct sk_buff *skb);
593irqreturn_t lan966x_ptp_irq_handler(int irq, void *args);
594irqreturn_t lan966x_ptp_ext_irq_handler(int irq, void *args);
595u32 lan966x_ptp_get_period_ps(void);
596int lan966x_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
597int lan966x_ptp_setup_traps(struct lan966x_port *port,
598			    struct kernel_hwtstamp_config *cfg);
599int lan966x_ptp_del_traps(struct lan966x_port *port);
600
601int lan966x_fdma_xmit(struct sk_buff *skb, __be32 *ifh, struct net_device *dev);
602int lan966x_fdma_xmit_xdpf(struct lan966x_port *port, void *ptr, u32 len);
603int lan966x_fdma_change_mtu(struct lan966x *lan966x);
604void lan966x_fdma_netdev_init(struct lan966x *lan966x, struct net_device *dev);
605void lan966x_fdma_netdev_deinit(struct lan966x *lan966x, struct net_device *dev);
606int lan966x_fdma_init(struct lan966x *lan966x);
607void lan966x_fdma_deinit(struct lan966x *lan966x);
608irqreturn_t lan966x_fdma_irq_handler(int irq, void *args);
609int lan966x_fdma_reload_page_pool(struct lan966x *lan966x);
610
611int lan966x_lag_port_join(struct lan966x_port *port,
612			  struct net_device *brport_dev,
613			  struct net_device *bond,
614			  struct netlink_ext_ack *extack);
615void lan966x_lag_port_leave(struct lan966x_port *port, struct net_device *bond);
616int lan966x_lag_port_prechangeupper(struct net_device *dev,
617				    struct netdev_notifier_changeupper_info *info);
618int lan966x_lag_port_changelowerstate(struct net_device *dev,
619				      struct netdev_notifier_changelowerstate_info *info);
620int lan966x_lag_netdev_prechangeupper(struct net_device *dev,
621				      struct netdev_notifier_changeupper_info *info);
622int lan966x_lag_netdev_changeupper(struct net_device *dev,
623				   struct netdev_notifier_changeupper_info *info);
624bool lan966x_lag_first_port(struct net_device *lag, struct net_device *dev);
625u32 lan966x_lag_get_mask(struct lan966x *lan966x, struct net_device *bond);
626
627int lan966x_port_changeupper(struct net_device *dev,
628			     struct net_device *brport_dev,
629			     struct netdev_notifier_changeupper_info *info);
630int lan966x_port_prechangeupper(struct net_device *dev,
631				struct net_device *brport_dev,
632				struct netdev_notifier_changeupper_info *info);
633void lan966x_port_stp_state_set(struct lan966x_port *port, u8 state);
634void lan966x_port_ageing_set(struct lan966x_port *port,
635			     unsigned long ageing_clock_t);
636void lan966x_update_fwd_mask(struct lan966x *lan966x);
637
638int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type,
639		     void *type_data);
640
641int lan966x_mqprio_add(struct lan966x_port *port, u8 num_tc);
642int lan966x_mqprio_del(struct lan966x_port *port);
643
644void lan966x_taprio_init(struct lan966x *lan966x);
645void lan966x_taprio_deinit(struct lan966x *lan966x);
646int lan966x_taprio_add(struct lan966x_port *port,
647		       struct tc_taprio_qopt_offload *qopt);
648int lan966x_taprio_del(struct lan966x_port *port);
649int lan966x_taprio_speed_set(struct lan966x_port *port, int speed);
650
651int lan966x_tbf_add(struct lan966x_port *port,
652		    struct tc_tbf_qopt_offload *qopt);
653int lan966x_tbf_del(struct lan966x_port *port,
654		    struct tc_tbf_qopt_offload *qopt);
655
656int lan966x_cbs_add(struct lan966x_port *port,
657		    struct tc_cbs_qopt_offload *qopt);
658int lan966x_cbs_del(struct lan966x_port *port,
659		    struct tc_cbs_qopt_offload *qopt);
660
661int lan966x_ets_add(struct lan966x_port *port,
662		    struct tc_ets_qopt_offload *qopt);
663int lan966x_ets_del(struct lan966x_port *port,
664		    struct tc_ets_qopt_offload *qopt);
665
666int lan966x_tc_matchall(struct lan966x_port *port,
667			struct tc_cls_matchall_offload *f,
668			bool ingress);
669
670int lan966x_police_port_add(struct lan966x_port *port,
671			    struct flow_action *action,
672			    struct flow_action_entry *act,
673			    unsigned long police_id,
674			    bool ingress,
675			    struct netlink_ext_ack *extack);
676int lan966x_police_port_del(struct lan966x_port *port,
677			    unsigned long police_id,
678			    struct netlink_ext_ack *extack);
679void lan966x_police_port_stats(struct lan966x_port *port,
680			       struct flow_stats *stats);
681
682int lan966x_mirror_port_add(struct lan966x_port *port,
683			    struct flow_action_entry *action,
684			    unsigned long mirror_id,
685			    bool ingress,
686			    struct netlink_ext_ack *extack);
687int lan966x_mirror_port_del(struct lan966x_port *port,
688			    bool ingress,
689			    struct netlink_ext_ack *extack);
690void lan966x_mirror_port_stats(struct lan966x_port *port,
691			       struct flow_stats *stats,
692			       bool ingress);
693
694int lan966x_xdp_port_init(struct lan966x_port *port);
695void lan966x_xdp_port_deinit(struct lan966x_port *port);
696int lan966x_xdp(struct net_device *dev, struct netdev_bpf *xdp);
697int lan966x_xdp_run(struct lan966x_port *port,
698		    struct page *page,
699		    u32 data_len);
700int lan966x_xdp_xmit(struct net_device *dev,
701		     int n,
702		     struct xdp_frame **frames,
703		     u32 flags);
704bool lan966x_xdp_present(struct lan966x *lan966x);
705static inline bool lan966x_xdp_port_present(struct lan966x_port *port)
706{
707	return !!port->xdp_prog;
708}
709
710int lan966x_vcap_init(struct lan966x *lan966x);
711void lan966x_vcap_deinit(struct lan966x *lan966x);
712#if defined(CONFIG_DEBUG_FS)
713int lan966x_vcap_port_info(struct net_device *dev,
714			   struct vcap_admin *admin,
715			   struct vcap_output_print *out);
716#else
717static inline int lan966x_vcap_port_info(struct net_device *dev,
718					 struct vcap_admin *admin,
719					 struct vcap_output_print *out)
720{
721	return 0;
722}
723#endif
724
725int lan966x_tc_flower(struct lan966x_port *port,
726		      struct flow_cls_offload *f,
727		      bool ingress);
728
729int lan966x_goto_port_add(struct lan966x_port *port,
730			  int from_cid, int to_cid,
731			  unsigned long goto_id,
732			  struct netlink_ext_ack *extack);
733int lan966x_goto_port_del(struct lan966x_port *port,
734			  unsigned long goto_id,
735			  struct netlink_ext_ack *extack);
736
737#ifdef CONFIG_LAN966X_DCB
738void lan966x_dcb_init(struct lan966x *lan966x);
739#else
740static inline void lan966x_dcb_init(struct lan966x *lan966x)
741{
742}
743#endif
744
745static inline void __iomem *lan_addr(void __iomem *base[],
746				     int id, int tinst, int tcnt,
747				     int gbase, int ginst,
748				     int gcnt, int gwidth,
749				     int raddr, int rinst,
750				     int rcnt, int rwidth)
751{
752	WARN_ON((tinst) >= tcnt);
753	WARN_ON((ginst) >= gcnt);
754	WARN_ON((rinst) >= rcnt);
755	return base[id + (tinst)] +
756		gbase + ((ginst) * gwidth) +
757		raddr + ((rinst) * rwidth);
758}
759
760static inline u32 lan_rd(struct lan966x *lan966x, int id, int tinst, int tcnt,
761			 int gbase, int ginst, int gcnt, int gwidth,
762			 int raddr, int rinst, int rcnt, int rwidth)
763{
764	return readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
765			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
766}
767
768static inline void lan_wr(u32 val, struct lan966x *lan966x,
769			  int id, int tinst, int tcnt,
770			  int gbase, int ginst, int gcnt, int gwidth,
771			  int raddr, int rinst, int rcnt, int rwidth)
772{
773	writel(val, lan_addr(lan966x->regs, id, tinst, tcnt,
774			     gbase, ginst, gcnt, gwidth,
775			     raddr, rinst, rcnt, rwidth));
776}
777
778static inline void lan_rmw(u32 val, u32 mask, struct lan966x *lan966x,
779			   int id, int tinst, int tcnt,
780			   int gbase, int ginst, int gcnt, int gwidth,
781			   int raddr, int rinst, int rcnt, int rwidth)
782{
783	u32 nval;
784
785	nval = readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
786			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
787	nval = (nval & ~mask) | (val & mask);
788	writel(nval, lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
789			      gcnt, gwidth, raddr, rinst, rcnt, rwidth));
790}
791
792#endif /* __LAN966X_MAIN_H__ */
793