1 /*
2  * Copyright (c) 2014-2015 Hisilicon Limited.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #ifndef __HNS_DSAF_MAIN_H
11 #define __HNS_DSAF_MAIN_H
12 #include "hnae.h"
13 
14 #include "hns_dsaf_reg.h"
15 #include "hns_dsaf_mac.h"
16 
17 struct hns_mac_cb;
18 
19 #define DSAF_DRV_NAME "hns_dsaf"
20 #define DSAF_MOD_VERSION "v1.0"
21 #define DSAF_DEVICE_NAME "dsaf"
22 
23 #define HNS_DSAF_DEBUG_NW_REG_OFFSET 0x100000
24 
25 #define DSAF_BASE_INNER_PORT_NUM 127/* mac tbl qid*/
26 
27 #define DSAF_MAX_CHIP_NUM 2  /*max 2 chips */
28 
29 #define DSAF_DEFAUTL_QUEUE_NUM_PER_PPE 22
30 
31 #define HNS_DSAF_MAX_DESC_CNT 1024
32 #define HNS_DSAF_MIN_DESC_CNT 16
33 
34 #define DSAF_INVALID_ENTRY_IDX 0xffff
35 
36 #define DSAF_CFG_READ_CNT   30
37 
38 #define MAC_NUM_OCTETS_PER_ADDR 6
39 
40 #define DSAF_DUMP_REGS_NUM 504
41 #define DSAF_STATIC_NUM 28
42 #define DSAF_V2_STATIC_NUM	44
43 #define DSAF_PRIO_NR	8
44 #define DSAF_REG_PER_ZONE	3
45 
46 #define DSAF_STATS_READ(p, offset) (*((u64 *)((u8 *)(p) + (offset))))
47 #define HNS_DSAF_IS_DEBUG(dev) (dev->dsaf_mode == DSAF_MODE_DISABLE_SP)
48 
49 enum hal_dsaf_mode {
50 	HRD_DSAF_NO_DSAF_MODE	= 0x0,
51 	HRD_DSAF_MODE		= 0x1,
52 };
53 
54 enum hal_dsaf_tc_mode {
55 	HRD_DSAF_4TC_MODE		= 0X0,
56 	HRD_DSAF_8TC_MODE		= 0X1,
57 };
58 
59 struct dsaf_vm_def_vlan {
60 	u32 vm_def_vlan_id;
61 	u32 vm_def_vlan_cfi;
62 	u32 vm_def_vlan_pri;
63 };
64 
65 struct dsaf_tbl_tcam_data {
66 	u32 tbl_tcam_data_high;
67 	u32 tbl_tcam_data_low;
68 };
69 
70 #define DSAF_PORT_MSK_NUM \
71 	((DSAF_TOTAL_QUEUE_NUM + DSAF_SERVICE_NW_NUM - 1) / 32 + 1)
72 struct dsaf_tbl_tcam_mcast_cfg {
73 	u8 tbl_mcast_old_en;
74 	u8 tbl_mcast_item_vld;
75 	u32 tbl_mcast_port_msk[DSAF_PORT_MSK_NUM];
76 };
77 
78 struct dsaf_tbl_tcam_ucast_cfg {
79 	u32 tbl_ucast_old_en;
80 	u32 tbl_ucast_item_vld;
81 	u32 tbl_ucast_mac_discard;
82 	u32 tbl_ucast_dvc;
83 	u32 tbl_ucast_out_port;
84 };
85 
86 struct dsaf_tbl_line_cfg {
87 	u32 tbl_line_mac_discard;
88 	u32 tbl_line_dvc;
89 	u32 tbl_line_out_port;
90 };
91 
92 enum dsaf_port_rate_mode {
93 	DSAF_PORT_RATE_1000 = 0,
94 	DSAF_PORT_RATE_2500,
95 	DSAF_PORT_RATE_10000
96 };
97 
98 enum dsaf_stp_port_type {
99 	DSAF_STP_PORT_TYPE_DISCARD = 0,
100 	DSAF_STP_PORT_TYPE_BLOCK = 1,
101 	DSAF_STP_PORT_TYPE_LISTEN = 2,
102 	DSAF_STP_PORT_TYPE_LEARN = 3,
103 	DSAF_STP_PORT_TYPE_FORWARD = 4
104 };
105 
106 enum dsaf_sw_port_type {
107 	DSAF_SW_PORT_TYPE_NON_VLAN = 0,
108 	DSAF_SW_PORT_TYPE_ACCESS = 1,
109 	DSAF_SW_PORT_TYPE_TRUNK = 2,
110 };
111 
112 #define DSAF_SUB_BASE_SIZE                        (0x10000)
113 
114 /* dsaf mode define */
115 enum dsaf_mode {
116 	DSAF_MODE_INVALID = 0,	/**< Invalid dsaf mode */
117 	DSAF_MODE_ENABLE_FIX,	/**< en DSAF-mode, fixed to queue*/
118 	DSAF_MODE_ENABLE_0VM,	/**< en DSAF-mode, support 0 VM */
119 	DSAF_MODE_ENABLE_8VM,	/**< en DSAF-mode, support 8 VM */
120 	DSAF_MODE_ENABLE_16VM,	/**< en DSAF-mode, support 16 VM */
121 	DSAF_MODE_ENABLE_32VM,	/**< en DSAF-mode, support 32 VM */
122 	DSAF_MODE_ENABLE_128VM,	/**< en DSAF-mode, support 128 VM */
123 	DSAF_MODE_ENABLE,		/**< before is enable DSAF mode*/
124 	DSAF_MODE_DISABLE_SP,	/* <non-dsaf, single port mode */
125 	DSAF_MODE_DISABLE_FIX,	/**< non-dasf, fixed to queue*/
126 	DSAF_MODE_DISABLE_2PORT_8VM,	/**< non-dasf, 2port 8VM */
127 	DSAF_MODE_DISABLE_2PORT_16VM,	/**< non-dasf, 2port 16VM */
128 	DSAF_MODE_DISABLE_2PORT_64VM,	/**< non-dasf, 2port 64VM */
129 	DSAF_MODE_DISABLE_6PORT_0VM,	/**< non-dasf, 6port 0VM */
130 	DSAF_MODE_DISABLE_6PORT_2VM,	/**< non-dasf, 6port 2VM */
131 	DSAF_MODE_DISABLE_6PORT_4VM,	/**< non-dasf, 6port 4VM */
132 	DSAF_MODE_DISABLE_6PORT_16VM,	/**< non-dasf, 6port 16VM */
133 	DSAF_MODE_MAX		/**< the last one, use as the num */
134 };
135 
136 #define DSAF_DEST_PORT_NUM 256	/* DSAF max port num */
137 #define DSAF_WORD_BIT_CNT 32  /* the num bit of word */
138 
139 /*mac entry, mc or uc entry*/
140 struct dsaf_drv_mac_single_dest_entry {
141 	/* mac addr, match the entry*/
142 	u8 addr[MAC_NUM_OCTETS_PER_ADDR];
143 	u16 in_vlan_id; /* value of VlanId */
144 
145 	/* the vld input port num, dsaf-mode fix 0, */
146 	/*	non-dasf is the entry whitch port vld*/
147 	u8 in_port_num;
148 
149 	u8 port_num; /*output port num*/
150 	u8 rsv[6];
151 };
152 
153 /*only mc entry*/
154 struct dsaf_drv_mac_multi_dest_entry {
155 	/* mac addr, match the entry*/
156 	u8 addr[MAC_NUM_OCTETS_PER_ADDR];
157 	u16 in_vlan_id;
158 	/* this mac addr output port,*/
159 	/*	bit0-bit5 means Port0-Port5(1bit is vld)**/
160 	u32 port_mask[DSAF_DEST_PORT_NUM / DSAF_WORD_BIT_CNT];
161 
162 	/* the vld input port num, dsaf-mode fix 0,*/
163 	/*	non-dasf is the entry whitch port vld*/
164 	u8 in_port_num;
165 	u8 rsv[7];
166 };
167 
168 struct dsaf_hw_stats {
169 	u64 pad_drop;
170 	u64 man_pkts;
171 	u64 rx_pkts;
172 	u64 rx_pkt_id;
173 	u64 rx_pause_frame;
174 	u64 release_buf_num;
175 	u64 sbm_drop;
176 	u64 crc_false;
177 	u64 bp_drop;
178 	u64 rslt_drop;
179 	u64 local_addr_false;
180 	u64 vlan_drop;
181 	u64 stp_drop;
182 	u64 rx_pfc[DSAF_PRIO_NR];
183 	u64 tx_pfc[DSAF_PRIO_NR];
184 	u64 tx_pkts;
185 };
186 
187 struct hnae_vf_cb {
188 	u8 port_index;
189 	struct hns_mac_cb *mac_cb;
190 	struct dsaf_device *dsaf_dev;
191 	struct hnae_handle  ae_handle; /* must be the last number */
192 };
193 
194 struct dsaf_int_xge_src {
195 	u32    xid_xge_ecc_err_int_src;
196 	u32    xid_xge_fsm_timout_int_src;
197 	u32    sbm_xge_lnk_fsm_timout_int_src;
198 	u32    sbm_xge_lnk_ecc_2bit_int_src;
199 	u32    sbm_xge_mib_req_failed_int_src;
200 	u32    sbm_xge_mib_req_fsm_timout_int_src;
201 	u32    sbm_xge_mib_rels_fsm_timout_int_src;
202 	u32    sbm_xge_sram_ecc_2bit_int_src;
203 	u32    sbm_xge_mib_buf_sum_err_int_src;
204 	u32    sbm_xge_mib_req_extra_int_src;
205 	u32    sbm_xge_mib_rels_extra_int_src;
206 	u32    voq_xge_start_to_over_0_int_src;
207 	u32    voq_xge_start_to_over_1_int_src;
208 	u32    voq_xge_ecc_err_int_src;
209 };
210 
211 struct dsaf_int_ppe_src {
212 	u32    xid_ppe_fsm_timout_int_src;
213 	u32    sbm_ppe_lnk_fsm_timout_int_src;
214 	u32    sbm_ppe_lnk_ecc_2bit_int_src;
215 	u32    sbm_ppe_mib_req_failed_int_src;
216 	u32    sbm_ppe_mib_req_fsm_timout_int_src;
217 	u32    sbm_ppe_mib_rels_fsm_timout_int_src;
218 	u32    sbm_ppe_sram_ecc_2bit_int_src;
219 	u32    sbm_ppe_mib_buf_sum_err_int_src;
220 	u32    sbm_ppe_mib_req_extra_int_src;
221 	u32    sbm_ppe_mib_rels_extra_int_src;
222 	u32    voq_ppe_start_to_over_0_int_src;
223 	u32    voq_ppe_ecc_err_int_src;
224 	u32    xod_ppe_fifo_rd_empty_int_src;
225 	u32    xod_ppe_fifo_wr_full_int_src;
226 };
227 
228 struct dsaf_int_rocee_src {
229 	u32    xid_rocee_fsm_timout_int_src;
230 	u32    sbm_rocee_lnk_fsm_timout_int_src;
231 	u32    sbm_rocee_lnk_ecc_2bit_int_src;
232 	u32    sbm_rocee_mib_req_failed_int_src;
233 	u32    sbm_rocee_mib_req_fsm_timout_int_src;
234 	u32    sbm_rocee_mib_rels_fsm_timout_int_src;
235 	u32    sbm_rocee_sram_ecc_2bit_int_src;
236 	u32    sbm_rocee_mib_buf_sum_err_int_src;
237 	u32    sbm_rocee_mib_req_extra_int_src;
238 	u32    sbm_rocee_mib_rels_extra_int_src;
239 	u32    voq_rocee_start_to_over_0_int_src;
240 	u32    voq_rocee_ecc_err_int_src;
241 };
242 
243 struct dsaf_int_tbl_src {
244 	u32    tbl_da0_mis_src;
245 	u32    tbl_da1_mis_src;
246 	u32    tbl_da2_mis_src;
247 	u32    tbl_da3_mis_src;
248 	u32    tbl_da4_mis_src;
249 	u32    tbl_da5_mis_src;
250 	u32    tbl_da6_mis_src;
251 	u32    tbl_da7_mis_src;
252 	u32    tbl_sa_mis_src;
253 	u32    tbl_old_sech_end_src;
254 	u32    lram_ecc_err1_src;
255 	u32    lram_ecc_err2_src;
256 	u32    tram_ecc_err1_src;
257 	u32    tram_ecc_err2_src;
258 	u32    tbl_ucast_bcast_xge0_src;
259 	u32    tbl_ucast_bcast_xge1_src;
260 	u32    tbl_ucast_bcast_xge2_src;
261 	u32    tbl_ucast_bcast_xge3_src;
262 	u32    tbl_ucast_bcast_xge4_src;
263 	u32    tbl_ucast_bcast_xge5_src;
264 	u32    tbl_ucast_bcast_ppe_src;
265 	u32    tbl_ucast_bcast_rocee_src;
266 };
267 
268 struct dsaf_int_stat {
269 	struct dsaf_int_xge_src dsaf_int_xge_stat[DSAF_COMM_CHN];
270 	struct dsaf_int_ppe_src dsaf_int_ppe_stat[DSAF_COMM_CHN];
271 	struct dsaf_int_rocee_src dsaf_int_rocee_stat[DSAF_COMM_CHN];
272 	struct dsaf_int_tbl_src dsaf_int_tbl_stat[1];
273 
274 };
275 
276 struct dsaf_misc_op {
277 	void (*cpld_set_led)(struct hns_mac_cb *mac_cb, int link_status,
278 			     u16 speed, int data);
279 	void (*cpld_reset_led)(struct hns_mac_cb *mac_cb);
280 	int (*cpld_set_led_id)(struct hns_mac_cb *mac_cb,
281 			       enum hnae_led_state status);
282 	/* reset seris function, it will be reset if the dereseet is 0 */
283 	void (*dsaf_reset)(struct dsaf_device *dsaf_dev, bool dereset);
284 	void (*xge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
285 	void (*xge_core_srst)(struct dsaf_device *dsaf_dev, u32 port,
286 			      bool dereset);
287 	void (*ge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
288 	void (*ppe_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
289 	void (*ppe_comm_srst)(struct dsaf_device *dsaf_dev, bool dereset);
290 
291 	phy_interface_t (*get_phy_if)(struct hns_mac_cb *mac_cb);
292 	int (*get_sfp_prsnt)(struct hns_mac_cb *mac_cb, int *sfp_prsnt);
293 
294 	int (*cfg_serdes_loopback)(struct hns_mac_cb *mac_cb, bool en);
295 };
296 
297 /* Dsaf device struct define ,and mac ->  dsaf */
298 struct dsaf_device {
299 	struct device *dev;
300 	struct hnae_ae_dev ae_dev;
301 
302 	u8 __iomem *sc_base;
303 	u8 __iomem *sds_base;
304 	u8 __iomem *ppe_base;
305 	u8 __iomem *io_base;
306 	struct regmap *sub_ctrl;
307 	phys_addr_t ppe_paddr;
308 
309 	u32 desc_num; /*  desc num per queue*/
310 	u32 buf_size; /*  ring buffer size */
311 	u32 reset_offset; /* reset field offset in sub sysctrl */
312 	int buf_size_type; /* ring buffer size-type */
313 	enum dsaf_mode dsaf_mode;	 /* dsaf mode  */
314 	enum hal_dsaf_mode dsaf_en;
315 	enum hal_dsaf_tc_mode dsaf_tc_mode;
316 	u32 dsaf_ver;
317 
318 	struct ppe_common_cb *ppe_common[DSAF_COMM_DEV_NUM];
319 	struct rcb_common_cb *rcb_common[DSAF_COMM_DEV_NUM];
320 	struct hns_mac_cb *mac_cb[DSAF_MAX_PORT_NUM];
321 	struct dsaf_misc_op *misc_op;
322 
323 	struct dsaf_hw_stats hw_stats[DSAF_NODE_NUM];
324 	struct dsaf_int_stat int_stat;
325 	/* make sure tcam table config spinlock */
326 	spinlock_t tcam_lock;
327 };
328 
329 static inline void *hns_dsaf_dev_priv(const struct dsaf_device *dsaf_dev)
330 {
331 	return (void *)((u8 *)dsaf_dev + sizeof(*dsaf_dev));
332 }
333 
334 struct dsaf_drv_tbl_tcam_key {
335 	union {
336 		struct {
337 			u8 mac_3;
338 			u8 mac_2;
339 			u8 mac_1;
340 			u8 mac_0;
341 		} bits;
342 
343 		u32 val;
344 	} high;
345 	union {
346 		struct {
347 			u32 port:4; /* port id, */
348 			/* dsaf-mode fixed 0, non-dsaf-mode port id*/
349 			u32 vlan:12; /* vlan id */
350 			u32 mac_5:8;
351 			u32 mac_4:8;
352 		} bits;
353 
354 		u32 val;
355 	} low;
356 };
357 
358 struct dsaf_drv_soft_mac_tbl {
359 	struct dsaf_drv_tbl_tcam_key tcam_key;
360 	u16 index; /*the entry's index in tcam tab*/
361 };
362 
363 struct dsaf_drv_priv {
364 	/* soft tab Mac key, for hardware tab*/
365 	struct dsaf_drv_soft_mac_tbl *soft_mac_tbl;
366 };
367 
368 static inline void hns_dsaf_tbl_tcam_addr_cfg(struct dsaf_device *dsaf_dev,
369 					      u32 tab_tcam_addr)
370 {
371 	dsaf_set_dev_field(dsaf_dev, DSAF_TBL_TCAM_ADDR_0_REG,
372 			   DSAF_TBL_TCAM_ADDR_M, DSAF_TBL_TCAM_ADDR_S,
373 			   tab_tcam_addr);
374 }
375 
376 static inline void hns_dsaf_tbl_tcam_load_pul(struct dsaf_device *dsaf_dev)
377 {
378 	u32 o_tbl_pul;
379 
380 	o_tbl_pul = dsaf_read_dev(dsaf_dev, DSAF_TBL_PUL_0_REG);
381 	dsaf_set_bit(o_tbl_pul, DSAF_TBL_PUL_TCAM_LOAD_S, 1);
382 	dsaf_write_dev(dsaf_dev, DSAF_TBL_PUL_0_REG, o_tbl_pul);
383 	dsaf_set_bit(o_tbl_pul, DSAF_TBL_PUL_TCAM_LOAD_S, 0);
384 	dsaf_write_dev(dsaf_dev, DSAF_TBL_PUL_0_REG, o_tbl_pul);
385 }
386 
387 static inline void hns_dsaf_tbl_line_addr_cfg(struct dsaf_device *dsaf_dev,
388 					      u32 tab_line_addr)
389 {
390 	dsaf_set_dev_field(dsaf_dev, DSAF_TBL_LINE_ADDR_0_REG,
391 			   DSAF_TBL_LINE_ADDR_M, DSAF_TBL_LINE_ADDR_S,
392 			   tab_line_addr);
393 }
394 
395 static inline struct hnae_vf_cb *hns_ae_get_vf_cb(
396 	struct hnae_handle *handle)
397 {
398 	return container_of(handle, struct hnae_vf_cb, ae_handle);
399 }
400 
401 int hns_dsaf_set_mac_uc_entry(struct dsaf_device *dsaf_dev,
402 			      struct dsaf_drv_mac_single_dest_entry *mac_entry);
403 int hns_dsaf_set_mac_mc_entry(struct dsaf_device *dsaf_dev,
404 			      struct dsaf_drv_mac_multi_dest_entry *mac_entry);
405 int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
406 			     struct dsaf_drv_mac_single_dest_entry *mac_entry);
407 int hns_dsaf_del_mac_entry(struct dsaf_device *dsaf_dev, u16 vlan_id,
408 			   u8 in_port_num, u8 *addr);
409 int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
410 			     struct dsaf_drv_mac_single_dest_entry *mac_entry);
411 int hns_dsaf_get_mac_uc_entry(struct dsaf_device *dsaf_dev,
412 			      struct dsaf_drv_mac_single_dest_entry *mac_entry);
413 int hns_dsaf_get_mac_mc_entry(struct dsaf_device *dsaf_dev,
414 			      struct dsaf_drv_mac_multi_dest_entry *mac_entry);
415 int hns_dsaf_get_mac_entry_by_index(
416 	struct dsaf_device *dsaf_dev,
417 	u16 entry_index,
418 	struct dsaf_drv_mac_multi_dest_entry *mac_entry);
419 
420 void hns_dsaf_fix_mac_mode(struct hns_mac_cb *mac_cb);
421 
422 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev);
423 void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev);
424 
425 void hns_dsaf_update_stats(struct dsaf_device *dsaf_dev, u32 inode_num);
426 
427 int hns_dsaf_get_sset_count(struct dsaf_device *dsaf_dev, int stringset);
428 void hns_dsaf_get_stats(struct dsaf_device *ddev, u64 *data, int port);
429 void hns_dsaf_get_strings(int stringset, u8 *data, int port,
430 			  struct dsaf_device *dsaf_dev);
431 
432 void hns_dsaf_get_regs(struct dsaf_device *ddev, u32 port, void *data);
433 int hns_dsaf_get_regs_count(void);
434 void hns_dsaf_set_promisc_mode(struct dsaf_device *dsaf_dev, u32 en);
435 
436 void hns_dsaf_get_rx_mac_pause_en(struct dsaf_device *dsaf_dev, int mac_id,
437 				  u32 *en);
438 int hns_dsaf_set_rx_mac_pause_en(struct dsaf_device *dsaf_dev, int mac_id,
439 				 u32 en);
440 void hns_dsaf_set_inner_lb(struct dsaf_device *dsaf_dev, u32 mac_id, u32 en);
441 
442 #endif /* __HNS_DSAF_MAIN_H__ */
443