1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2014-2015 Hisilicon Limited.
4 */
5
6 #include <linux/module.h>
7 #include <linux/kernel.h>
8 #include <linux/init.h>
9 #include <linux/netdevice.h>
10 #include <linux/etherdevice.h>
11 #include <linux/platform_device.h>
12 #include <linux/of.h>
13 #include <linux/of_address.h>
14 #include <linux/of_platform.h>
15
16 #include "hns_dsaf_ppe.h"
17
hns_ppe_set_tso_enable(struct hns_ppe_cb * ppe_cb,u32 value)18 void hns_ppe_set_tso_enable(struct hns_ppe_cb *ppe_cb, u32 value)
19 {
20 dsaf_set_dev_bit(ppe_cb, PPEV2_CFG_TSO_EN_REG, 0, !!value);
21 }
22
hns_ppe_set_rss_key(struct hns_ppe_cb * ppe_cb,const u32 rss_key[HNS_PPEV2_RSS_KEY_NUM])23 void hns_ppe_set_rss_key(struct hns_ppe_cb *ppe_cb,
24 const u32 rss_key[HNS_PPEV2_RSS_KEY_NUM])
25 {
26 u32 key_item;
27
28 for (key_item = 0; key_item < HNS_PPEV2_RSS_KEY_NUM; key_item++)
29 dsaf_write_dev(ppe_cb, PPEV2_RSS_KEY_REG + key_item * 0x4,
30 rss_key[key_item]);
31 }
32
hns_ppe_set_indir_table(struct hns_ppe_cb * ppe_cb,const u32 rss_tab[HNS_PPEV2_RSS_IND_TBL_SIZE])33 void hns_ppe_set_indir_table(struct hns_ppe_cb *ppe_cb,
34 const u32 rss_tab[HNS_PPEV2_RSS_IND_TBL_SIZE])
35 {
36 int i;
37 int reg_value;
38
39 for (i = 0; i < (HNS_PPEV2_RSS_IND_TBL_SIZE / 4); i++) {
40 reg_value = dsaf_read_dev(ppe_cb,
41 PPEV2_INDRECTION_TBL_REG + i * 0x4);
42
43 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N0_M,
44 PPEV2_CFG_RSS_TBL_4N0_S,
45 rss_tab[i * 4 + 0] & 0x1F);
46 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N1_M,
47 PPEV2_CFG_RSS_TBL_4N1_S,
48 rss_tab[i * 4 + 1] & 0x1F);
49 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N2_M,
50 PPEV2_CFG_RSS_TBL_4N2_S,
51 rss_tab[i * 4 + 2] & 0x1F);
52 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N3_M,
53 PPEV2_CFG_RSS_TBL_4N3_S,
54 rss_tab[i * 4 + 3] & 0x1F);
55 dsaf_write_dev(
56 ppe_cb, PPEV2_INDRECTION_TBL_REG + i * 0x4, reg_value);
57 }
58 }
59
60 static u8 __iomem *
hns_ppe_common_get_ioaddr(struct ppe_common_cb * ppe_common)61 hns_ppe_common_get_ioaddr(struct ppe_common_cb *ppe_common)
62 {
63 return ppe_common->dsaf_dev->ppe_base + PPE_COMMON_REG_OFFSET;
64 }
65
66 /**
67 * hns_ppe_common_get_cfg - get ppe common config
68 * @dsaf_dev: dasf device
69 * @comm_index: common index
70 * return 0 - success , negative --fail
71 */
hns_ppe_common_get_cfg(struct dsaf_device * dsaf_dev,int comm_index)72 static int hns_ppe_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index)
73 {
74 struct ppe_common_cb *ppe_common;
75 int ppe_num;
76
77 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
78 ppe_num = HNS_PPE_SERVICE_NW_ENGINE_NUM;
79 else
80 ppe_num = HNS_PPE_DEBUG_NW_ENGINE_NUM;
81
82 ppe_common = devm_kzalloc(dsaf_dev->dev,
83 struct_size(ppe_common, ppe_cb, ppe_num),
84 GFP_KERNEL);
85 if (!ppe_common)
86 return -ENOMEM;
87
88 ppe_common->ppe_num = ppe_num;
89 ppe_common->dsaf_dev = dsaf_dev;
90 ppe_common->comm_index = comm_index;
91 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
92 ppe_common->ppe_mode = PPE_COMMON_MODE_SERVICE;
93 else
94 ppe_common->ppe_mode = PPE_COMMON_MODE_DEBUG;
95 ppe_common->dev = dsaf_dev->dev;
96
97 ppe_common->io_base = hns_ppe_common_get_ioaddr(ppe_common);
98
99 dsaf_dev->ppe_common[comm_index] = ppe_common;
100
101 return 0;
102 }
103
104 static void
hns_ppe_common_free_cfg(struct dsaf_device * dsaf_dev,u32 comm_index)105 hns_ppe_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index)
106 {
107 dsaf_dev->ppe_common[comm_index] = NULL;
108 }
109
hns_ppe_get_iobase(struct ppe_common_cb * ppe_common,int ppe_idx)110 static u8 __iomem *hns_ppe_get_iobase(struct ppe_common_cb *ppe_common,
111 int ppe_idx)
112 {
113 return ppe_common->dsaf_dev->ppe_base + ppe_idx * PPE_REG_OFFSET;
114 }
115
hns_ppe_get_cfg(struct ppe_common_cb * ppe_common)116 static void hns_ppe_get_cfg(struct ppe_common_cb *ppe_common)
117 {
118 u32 i;
119 struct hns_ppe_cb *ppe_cb;
120 u32 ppe_num = ppe_common->ppe_num;
121
122 for (i = 0; i < ppe_num; i++) {
123 ppe_cb = &ppe_common->ppe_cb[i];
124 ppe_cb->dev = ppe_common->dev;
125 ppe_cb->next = NULL;
126 ppe_cb->ppe_common_cb = ppe_common;
127 ppe_cb->index = i;
128 ppe_cb->io_base = hns_ppe_get_iobase(ppe_common, i);
129 ppe_cb->virq = 0;
130 }
131 }
132
hns_ppe_cnt_clr_ce(struct hns_ppe_cb * ppe_cb)133 static void hns_ppe_cnt_clr_ce(struct hns_ppe_cb *ppe_cb)
134 {
135 dsaf_set_dev_bit(ppe_cb, PPE_TNL_0_5_CNT_CLR_CE_REG,
136 PPE_CNT_CLR_CE_B, 1);
137 }
138
hns_ppe_set_vlan_strip(struct hns_ppe_cb * ppe_cb,int en)139 static void hns_ppe_set_vlan_strip(struct hns_ppe_cb *ppe_cb, int en)
140 {
141 dsaf_write_dev(ppe_cb, PPEV2_VLAN_STRIP_EN_REG, en);
142 }
143
144 /**
145 * hns_ppe_checksum_hw - set ppe checksum caculate
146 * @ppe_cb: ppe device
147 * @value: value
148 */
hns_ppe_checksum_hw(struct hns_ppe_cb * ppe_cb,u32 value)149 static void hns_ppe_checksum_hw(struct hns_ppe_cb *ppe_cb, u32 value)
150 {
151 dsaf_set_dev_field(ppe_cb, PPE_CFG_PRO_CHECK_EN_REG,
152 0xfffffff, 0, value);
153 }
154
hns_ppe_set_qid_mode(struct ppe_common_cb * ppe_common,enum ppe_qid_mode qid_mdoe)155 static void hns_ppe_set_qid_mode(struct ppe_common_cb *ppe_common,
156 enum ppe_qid_mode qid_mdoe)
157 {
158 dsaf_set_dev_field(ppe_common, PPE_COM_CFG_QID_MODE_REG,
159 PPE_CFG_QID_MODE_CF_QID_MODE_M,
160 PPE_CFG_QID_MODE_CF_QID_MODE_S, qid_mdoe);
161 }
162
163 /**
164 * hns_ppe_set_qid - set ppe qid
165 * @ppe_common: ppe common device
166 * @qid: queue id
167 */
hns_ppe_set_qid(struct ppe_common_cb * ppe_common,u32 qid)168 static void hns_ppe_set_qid(struct ppe_common_cb *ppe_common, u32 qid)
169 {
170 u32 qid_mod = dsaf_read_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG);
171
172 if (!dsaf_get_field(qid_mod, PPE_CFG_QID_MODE_DEF_QID_M,
173 PPE_CFG_QID_MODE_DEF_QID_S)) {
174 dsaf_set_field(qid_mod, PPE_CFG_QID_MODE_DEF_QID_M,
175 PPE_CFG_QID_MODE_DEF_QID_S, qid);
176 dsaf_write_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG, qid_mod);
177 }
178 }
179
180 /**
181 * hns_ppe_set_port_mode - set port mode
182 * @ppe_cb: ppe device
183 * @mode: port mode
184 */
hns_ppe_set_port_mode(struct hns_ppe_cb * ppe_cb,enum ppe_port_mode mode)185 static void hns_ppe_set_port_mode(struct hns_ppe_cb *ppe_cb,
186 enum ppe_port_mode mode)
187 {
188 dsaf_write_dev(ppe_cb, PPE_CFG_XGE_MODE_REG, mode);
189 }
190
191 /**
192 * hns_ppe_common_init_hw - init ppe common device
193 * @ppe_common: ppe common device
194 *
195 * Return 0 on success, negative on failure
196 */
hns_ppe_common_init_hw(struct ppe_common_cb * ppe_common)197 static int hns_ppe_common_init_hw(struct ppe_common_cb *ppe_common)
198 {
199 enum ppe_qid_mode qid_mode;
200 struct dsaf_device *dsaf_dev = ppe_common->dsaf_dev;
201 enum dsaf_mode dsaf_mode = dsaf_dev->dsaf_mode;
202
203 dsaf_dev->misc_op->ppe_comm_srst(dsaf_dev, 0);
204 msleep(100);
205 dsaf_dev->misc_op->ppe_comm_srst(dsaf_dev, 1);
206 msleep(100);
207
208 if (ppe_common->ppe_mode == PPE_COMMON_MODE_SERVICE) {
209 switch (dsaf_mode) {
210 case DSAF_MODE_ENABLE_FIX:
211 case DSAF_MODE_DISABLE_FIX:
212 qid_mode = PPE_QID_MODE0;
213 hns_ppe_set_qid(ppe_common, 0);
214 break;
215 case DSAF_MODE_ENABLE_0VM:
216 case DSAF_MODE_DISABLE_2PORT_64VM:
217 qid_mode = PPE_QID_MODE3;
218 break;
219 case DSAF_MODE_ENABLE_8VM:
220 case DSAF_MODE_DISABLE_2PORT_16VM:
221 qid_mode = PPE_QID_MODE4;
222 break;
223 case DSAF_MODE_ENABLE_16VM:
224 case DSAF_MODE_DISABLE_6PORT_0VM:
225 qid_mode = PPE_QID_MODE5;
226 break;
227 case DSAF_MODE_ENABLE_32VM:
228 case DSAF_MODE_DISABLE_6PORT_16VM:
229 qid_mode = PPE_QID_MODE2;
230 break;
231 case DSAF_MODE_ENABLE_128VM:
232 case DSAF_MODE_DISABLE_6PORT_4VM:
233 qid_mode = PPE_QID_MODE1;
234 break;
235 case DSAF_MODE_DISABLE_2PORT_8VM:
236 qid_mode = PPE_QID_MODE7;
237 break;
238 case DSAF_MODE_DISABLE_6PORT_2VM:
239 qid_mode = PPE_QID_MODE6;
240 break;
241 default:
242 dev_err(ppe_common->dev,
243 "get ppe queue mode failed! dsaf_mode=%d\n",
244 dsaf_mode);
245 return -EINVAL;
246 }
247 hns_ppe_set_qid_mode(ppe_common, qid_mode);
248 }
249
250 dsaf_set_dev_bit(ppe_common, PPE_COM_COMMON_CNT_CLR_CE_REG,
251 PPE_COMMON_CNT_CLR_CE_B, 1);
252
253 return 0;
254 }
255
256 /*clr ppe exception irq*/
hns_ppe_exc_irq_en(struct hns_ppe_cb * ppe_cb,int en)257 static void hns_ppe_exc_irq_en(struct hns_ppe_cb *ppe_cb, int en)
258 {
259 u32 clr_vlue = 0xfffffffful;
260 u32 msk_vlue = en ? 0xfffffffful : 0; /*1 is en, 0 is dis*/
261 u32 vld_msk = 0;
262
263 /*only care bit 0,1,7*/
264 dsaf_set_bit(vld_msk, 0, 1);
265 dsaf_set_bit(vld_msk, 1, 1);
266 dsaf_set_bit(vld_msk, 7, 1);
267
268 /*clr sts**/
269 dsaf_write_dev(ppe_cb, PPE_RINT_REG, clr_vlue);
270
271 /*for some reserved bits, so set 0**/
272 dsaf_write_dev(ppe_cb, PPE_INTEN_REG, msk_vlue & vld_msk);
273 }
274
hns_ppe_wait_tx_fifo_clean(struct hns_ppe_cb * ppe_cb)275 int hns_ppe_wait_tx_fifo_clean(struct hns_ppe_cb *ppe_cb)
276 {
277 int wait_cnt;
278 u32 val;
279
280 wait_cnt = 0;
281 while (wait_cnt++ < HNS_MAX_WAIT_CNT) {
282 val = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO0_REG) & 0x3ffU;
283 if (!val)
284 break;
285
286 usleep_range(100, 200);
287 }
288
289 if (wait_cnt >= HNS_MAX_WAIT_CNT) {
290 dev_err(ppe_cb->dev, "hns ppe tx fifo clean wait timeout, still has %u pkt.\n",
291 val);
292 return -EBUSY;
293 }
294
295 return 0;
296 }
297
298 /**
299 * ppe_init_hw - init ppe
300 * @ppe_cb: ppe device
301 */
hns_ppe_init_hw(struct hns_ppe_cb * ppe_cb)302 static void hns_ppe_init_hw(struct hns_ppe_cb *ppe_cb)
303 {
304 struct ppe_common_cb *ppe_common_cb = ppe_cb->ppe_common_cb;
305 u32 port = ppe_cb->index;
306 struct dsaf_device *dsaf_dev = ppe_common_cb->dsaf_dev;
307 int i;
308
309 /* get default RSS key */
310 netdev_rss_key_fill(ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
311
312 dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 0);
313 mdelay(10);
314 dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 1);
315
316 /* clr and msk except irq*/
317 hns_ppe_exc_irq_en(ppe_cb, 0);
318
319 if (ppe_common_cb->ppe_mode == PPE_COMMON_MODE_DEBUG) {
320 hns_ppe_set_port_mode(ppe_cb, PPE_MODE_GE);
321 dsaf_write_dev(ppe_cb, PPE_CFG_PAUSE_IDLE_CNT_REG, 0);
322 } else {
323 hns_ppe_set_port_mode(ppe_cb, PPE_MODE_XGE);
324 }
325
326 hns_ppe_checksum_hw(ppe_cb, 0xffffffff);
327 hns_ppe_cnt_clr_ce(ppe_cb);
328
329 if (!AE_IS_VER1(dsaf_dev->dsaf_ver)) {
330 hns_ppe_set_vlan_strip(ppe_cb, 0);
331
332 dsaf_write_dev(ppe_cb, PPE_CFG_MAX_FRAME_LEN_REG,
333 HNS_PPEV2_MAX_FRAME_LEN);
334
335 /* set default RSS key in h/w */
336 hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key);
337
338 /* Set default indrection table in h/w */
339 for (i = 0; i < HNS_PPEV2_RSS_IND_TBL_SIZE; i++)
340 ppe_cb->rss_indir_table[i] = i;
341 hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
342 }
343 }
344
345 /**
346 * ppe_uninit_hw - uninit ppe
347 * @ppe_cb: ppe device
348 */
hns_ppe_uninit_hw(struct hns_ppe_cb * ppe_cb)349 static void hns_ppe_uninit_hw(struct hns_ppe_cb *ppe_cb)
350 {
351 u32 port;
352
353 if (ppe_cb->ppe_common_cb) {
354 struct dsaf_device *dsaf_dev = ppe_cb->ppe_common_cb->dsaf_dev;
355
356 port = ppe_cb->index;
357 dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 0);
358 }
359 }
360
hns_ppe_uninit_ex(struct ppe_common_cb * ppe_common)361 static void hns_ppe_uninit_ex(struct ppe_common_cb *ppe_common)
362 {
363 u32 i;
364
365 for (i = 0; i < ppe_common->ppe_num; i++) {
366 if (ppe_common->dsaf_dev->mac_cb[i])
367 hns_ppe_uninit_hw(&ppe_common->ppe_cb[i]);
368 memset(&ppe_common->ppe_cb[i], 0, sizeof(struct hns_ppe_cb));
369 }
370 }
371
hns_ppe_uninit(struct dsaf_device * dsaf_dev)372 void hns_ppe_uninit(struct dsaf_device *dsaf_dev)
373 {
374 u32 i;
375
376 for (i = 0; i < HNS_PPE_COM_NUM; i++) {
377 if (dsaf_dev->ppe_common[i])
378 hns_ppe_uninit_ex(dsaf_dev->ppe_common[i]);
379 hns_rcb_common_free_cfg(dsaf_dev, i);
380 hns_ppe_common_free_cfg(dsaf_dev, i);
381 }
382 }
383
384 /**
385 * hns_ppe_reset - reinit ppe/rcb hw
386 * @dsaf_dev: dasf device
387 * @ppe_common_index: the index
388 * return void
389 */
hns_ppe_reset_common(struct dsaf_device * dsaf_dev,u8 ppe_common_index)390 void hns_ppe_reset_common(struct dsaf_device *dsaf_dev, u8 ppe_common_index)
391 {
392 u32 i;
393 int ret;
394 struct ppe_common_cb *ppe_common;
395
396 ppe_common = dsaf_dev->ppe_common[ppe_common_index];
397 ret = hns_ppe_common_init_hw(ppe_common);
398 if (ret)
399 return;
400
401 for (i = 0; i < ppe_common->ppe_num; i++) {
402 /* We only need to initiate ppe when the port exists */
403 if (dsaf_dev->mac_cb[i])
404 hns_ppe_init_hw(&ppe_common->ppe_cb[i]);
405 }
406
407 ret = hns_rcb_common_init_hw(dsaf_dev->rcb_common[ppe_common_index]);
408 if (ret)
409 return;
410
411 hns_rcb_common_init_commit_hw(dsaf_dev->rcb_common[ppe_common_index]);
412 }
413
hns_ppe_update_stats(struct hns_ppe_cb * ppe_cb)414 void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb)
415 {
416 struct hns_ppe_hw_stats *hw_stats = &ppe_cb->hw_stats;
417
418 hw_stats->rx_pkts_from_sw
419 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_SW_PKT_CNT_REG);
420 hw_stats->rx_pkts
421 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_WR_BD_OK_PKT_CNT_REG);
422 hw_stats->rx_drop_no_bd
423 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_NO_BUF_CNT_REG);
424 hw_stats->rx_alloc_buf_fail
425 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_FAIL_CNT_REG);
426 hw_stats->rx_alloc_buf_wait
427 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_WAIT_CNT_REG);
428 hw_stats->rx_drop_no_buf
429 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_FUL_CNT_REG);
430 hw_stats->rx_err_fifo_full
431 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_PRT_CNT_REG);
432
433 hw_stats->tx_bd_form_rcb
434 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_BD_CNT_REG);
435 hw_stats->tx_pkts_from_rcb
436 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CNT_REG);
437 hw_stats->tx_pkts
438 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_OK_CNT_REG);
439 hw_stats->tx_err_fifo_empty
440 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_EPT_CNT_REG);
441 hw_stats->tx_err_checksum
442 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CS_FAIL_CNT_REG);
443 }
444
hns_ppe_get_sset_count(int stringset)445 int hns_ppe_get_sset_count(int stringset)
446 {
447 if (stringset == ETH_SS_STATS)
448 return ETH_PPE_STATIC_NUM;
449 return 0;
450 }
451
hns_ppe_get_regs_count(void)452 int hns_ppe_get_regs_count(void)
453 {
454 return ETH_PPE_DUMP_NUM;
455 }
456
457 /**
458 * ppe_get_strings - get ppe srting
459 * @ppe_cb: ppe device
460 * @stringset: string set type
461 * @data: output string
462 */
hns_ppe_get_strings(struct hns_ppe_cb * ppe_cb,int stringset,u8 * data)463 void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset, u8 *data)
464 {
465 char *buff = (char *)data;
466 int index = ppe_cb->index;
467
468 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_sw_pkt", index);
469 buff = buff + ETH_GSTRING_LEN;
470 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_pkt_ok", index);
471 buff = buff + ETH_GSTRING_LEN;
472 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_drop_pkt_no_bd", index);
473 buff = buff + ETH_GSTRING_LEN;
474 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_alloc_buf_fail", index);
475 buff = buff + ETH_GSTRING_LEN;
476 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_alloc_buf_wait", index);
477 buff = buff + ETH_GSTRING_LEN;
478 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_pkt_drop_no_buf", index);
479 buff = buff + ETH_GSTRING_LEN;
480 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_rx_pkt_err_fifo_full", index);
481 buff = buff + ETH_GSTRING_LEN;
482
483 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_tx_bd", index);
484 buff = buff + ETH_GSTRING_LEN;
485 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_tx_pkt", index);
486 buff = buff + ETH_GSTRING_LEN;
487 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_tx_pkt_ok", index);
488 buff = buff + ETH_GSTRING_LEN;
489 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_tx_pkt_err_fifo_empty", index);
490 buff = buff + ETH_GSTRING_LEN;
491 snprintf(buff, ETH_GSTRING_LEN, "ppe%d_tx_pkt_err_csum_fail", index);
492 }
493
hns_ppe_get_stats(struct hns_ppe_cb * ppe_cb,u64 * data)494 void hns_ppe_get_stats(struct hns_ppe_cb *ppe_cb, u64 *data)
495 {
496 u64 *regs_buff = data;
497 struct hns_ppe_hw_stats *hw_stats = &ppe_cb->hw_stats;
498
499 regs_buff[0] = hw_stats->rx_pkts_from_sw;
500 regs_buff[1] = hw_stats->rx_pkts;
501 regs_buff[2] = hw_stats->rx_drop_no_bd;
502 regs_buff[3] = hw_stats->rx_alloc_buf_fail;
503 regs_buff[4] = hw_stats->rx_alloc_buf_wait;
504 regs_buff[5] = hw_stats->rx_drop_no_buf;
505 regs_buff[6] = hw_stats->rx_err_fifo_full;
506
507 regs_buff[7] = hw_stats->tx_bd_form_rcb;
508 regs_buff[8] = hw_stats->tx_pkts_from_rcb;
509 regs_buff[9] = hw_stats->tx_pkts;
510 regs_buff[10] = hw_stats->tx_err_fifo_empty;
511 regs_buff[11] = hw_stats->tx_err_checksum;
512 }
513
514 /**
515 * hns_ppe_init - init ppe device
516 * @dsaf_dev: dasf device
517 * return 0 - success , negative --fail
518 */
hns_ppe_init(struct dsaf_device * dsaf_dev)519 int hns_ppe_init(struct dsaf_device *dsaf_dev)
520 {
521 int ret;
522 int i;
523
524 for (i = 0; i < HNS_PPE_COM_NUM; i++) {
525 ret = hns_ppe_common_get_cfg(dsaf_dev, i);
526 if (ret)
527 goto get_cfg_fail;
528
529 ret = hns_rcb_common_get_cfg(dsaf_dev, i);
530 if (ret)
531 goto get_cfg_fail;
532
533 hns_ppe_get_cfg(dsaf_dev->ppe_common[i]);
534
535 ret = hns_rcb_get_cfg(dsaf_dev->rcb_common[i]);
536 if (ret)
537 goto get_cfg_fail;
538 }
539
540 for (i = 0; i < HNS_PPE_COM_NUM; i++)
541 hns_ppe_reset_common(dsaf_dev, i);
542
543 return 0;
544
545 get_cfg_fail:
546 for (i = 0; i < HNS_PPE_COM_NUM; i++) {
547 hns_rcb_common_free_cfg(dsaf_dev, i);
548 hns_ppe_common_free_cfg(dsaf_dev, i);
549 }
550
551 return ret;
552 }
553
hns_ppe_get_regs(struct hns_ppe_cb * ppe_cb,void * data)554 void hns_ppe_get_regs(struct hns_ppe_cb *ppe_cb, void *data)
555 {
556 struct ppe_common_cb *ppe_common = ppe_cb->ppe_common_cb;
557 u32 *regs = data;
558 u32 i;
559 u32 offset;
560
561 /* ppe common registers */
562 regs[0] = dsaf_read_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG);
563 regs[1] = dsaf_read_dev(ppe_common, PPE_COM_INTEN_REG);
564 regs[2] = dsaf_read_dev(ppe_common, PPE_COM_RINT_REG);
565 regs[3] = dsaf_read_dev(ppe_common, PPE_COM_INTSTS_REG);
566 regs[4] = dsaf_read_dev(ppe_common, PPE_COM_COMMON_CNT_CLR_CE_REG);
567
568 for (i = 0; i < DSAF_TOTAL_QUEUE_NUM; i++) {
569 offset = PPE_COM_HIS_RX_PKT_QID_DROP_CNT_REG + 0x4 * i;
570 regs[5 + i] = dsaf_read_dev(ppe_common, offset);
571 offset = PPE_COM_HIS_RX_PKT_QID_OK_CNT_REG + 0x4 * i;
572 regs[5 + i + DSAF_TOTAL_QUEUE_NUM]
573 = dsaf_read_dev(ppe_common, offset);
574 offset = PPE_COM_HIS_TX_PKT_QID_ERR_CNT_REG + 0x4 * i;
575 regs[5 + i + DSAF_TOTAL_QUEUE_NUM * 2]
576 = dsaf_read_dev(ppe_common, offset);
577 offset = PPE_COM_HIS_TX_PKT_QID_OK_CNT_REG + 0x4 * i;
578 regs[5 + i + DSAF_TOTAL_QUEUE_NUM * 3]
579 = dsaf_read_dev(ppe_common, offset);
580 }
581
582 /* mark end of ppe regs */
583 for (i = 521; i < 524; i++)
584 regs[i] = 0xeeeeeeee;
585
586 /* ppe channel registers */
587 regs[525] = dsaf_read_dev(ppe_cb, PPE_CFG_TX_FIFO_THRSLD_REG);
588 regs[526] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_THRSLD_REG);
589 regs[527] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_PAUSE_THRSLD_REG);
590 regs[528] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_SW_BP_THRSLD_REG);
591 regs[529] = dsaf_read_dev(ppe_cb, PPE_CFG_PAUSE_IDLE_CNT_REG);
592 regs[530] = dsaf_read_dev(ppe_cb, PPE_CFG_BUS_CTRL_REG);
593 regs[531] = dsaf_read_dev(ppe_cb, PPE_CFG_TNL_TO_BE_RST_REG);
594 regs[532] = dsaf_read_dev(ppe_cb, PPE_CURR_TNL_CAN_RST_REG);
595
596 regs[533] = dsaf_read_dev(ppe_cb, PPE_CFG_XGE_MODE_REG);
597 regs[534] = dsaf_read_dev(ppe_cb, PPE_CFG_MAX_FRAME_LEN_REG);
598 regs[535] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_PKT_MODE_REG);
599 regs[536] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_VLAN_TAG_REG);
600 regs[537] = dsaf_read_dev(ppe_cb, PPE_CFG_TAG_GEN_REG);
601 regs[538] = dsaf_read_dev(ppe_cb, PPE_CFG_PARSE_TAG_REG);
602 regs[539] = dsaf_read_dev(ppe_cb, PPE_CFG_PRO_CHECK_EN_REG);
603
604 regs[540] = dsaf_read_dev(ppe_cb, PPE_INTEN_REG);
605 regs[541] = dsaf_read_dev(ppe_cb, PPE_RINT_REG);
606 regs[542] = dsaf_read_dev(ppe_cb, PPE_INTSTS_REG);
607 regs[543] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_PKT_INT_REG);
608
609 regs[544] = dsaf_read_dev(ppe_cb, PPE_CFG_HEAT_DECT_TIME0_REG);
610 regs[545] = dsaf_read_dev(ppe_cb, PPE_CFG_HEAT_DECT_TIME1_REG);
611
612 /* ppe static */
613 regs[546] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_SW_PKT_CNT_REG);
614 regs[547] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_WR_BD_OK_PKT_CNT_REG);
615 regs[548] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_NO_BUF_CNT_REG);
616 regs[549] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_BD_CNT_REG);
617 regs[550] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CNT_REG);
618 regs[551] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_OK_CNT_REG);
619 regs[552] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_EPT_CNT_REG);
620 regs[553] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CS_FAIL_CNT_REG);
621 regs[554] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_FAIL_CNT_REG);
622 regs[555] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_WAIT_CNT_REG);
623 regs[556] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_FUL_CNT_REG);
624 regs[557] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_PRT_CNT_REG);
625
626 regs[558] = dsaf_read_dev(ppe_cb, PPE_TNL_0_5_CNT_CLR_CE_REG);
627 regs[559] = dsaf_read_dev(ppe_cb, PPE_CFG_AXI_DBG_REG);
628 regs[560] = dsaf_read_dev(ppe_cb, PPE_HIS_PRO_ERR_REG);
629 regs[561] = dsaf_read_dev(ppe_cb, PPE_HIS_TNL_FIFO_ERR_REG);
630 regs[562] = dsaf_read_dev(ppe_cb, PPE_CURR_CFF_DATA_NUM_REG);
631 regs[563] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_ST_REG);
632 regs[564] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_ST_REG);
633 regs[565] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_FIFO0_REG);
634 regs[566] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_FIFO1_REG);
635 regs[567] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO0_REG);
636 regs[568] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO1_REG);
637 regs[569] = dsaf_read_dev(ppe_cb, PPE_ECO0_REG);
638 regs[570] = dsaf_read_dev(ppe_cb, PPE_ECO1_REG);
639 regs[571] = dsaf_read_dev(ppe_cb, PPE_ECO2_REG);
640
641 /* mark end of ppe regs */
642 for (i = 572; i < 576; i++)
643 regs[i] = 0xeeeeeeee;
644 }
645