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