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