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