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