309d0483ef3007366a858c9decf285ef1cef3c52
[dpdk.git] / drivers / net / hns3 / hns3_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018-2019 Hisilicon Limited.
3  */
4
5 #include <errno.h>
6 #include <stdarg.h>
7 #include <stdbool.h>
8 #include <stdio.h>
9 #include <stdint.h>
10 #include <inttypes.h>
11 #include <unistd.h>
12 #include <rte_atomic.h>
13 #include <rte_bus_pci.h>
14 #include <rte_common.h>
15 #include <rte_cycles.h>
16 #include <rte_dev.h>
17 #include <rte_eal.h>
18 #include <rte_ether.h>
19 #include <rte_ethdev_driver.h>
20 #include <rte_ethdev_pci.h>
21 #include <rte_interrupts.h>
22 #include <rte_io.h>
23 #include <rte_log.h>
24 #include <rte_pci.h>
25
26 #include "hns3_ethdev.h"
27 #include "hns3_logs.h"
28 #include "hns3_rxtx.h"
29 #include "hns3_intr.h"
30 #include "hns3_regs.h"
31 #include "hns3_dcb.h"
32 #include "hns3_mp.h"
33
34 #define HNS3_DEFAULT_PORT_CONF_BURST_SIZE       32
35 #define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM       1
36
37 #define HNS3_SERVICE_INTERVAL           1000000 /* us */
38 #define HNS3_INVLID_PVID                0xFFFF
39
40 #define HNS3_FILTER_TYPE_VF             0
41 #define HNS3_FILTER_TYPE_PORT           1
42 #define HNS3_FILTER_FE_EGRESS_V1_B      BIT(0)
43 #define HNS3_FILTER_FE_NIC_INGRESS_B    BIT(0)
44 #define HNS3_FILTER_FE_NIC_EGRESS_B     BIT(1)
45 #define HNS3_FILTER_FE_ROCE_INGRESS_B   BIT(2)
46 #define HNS3_FILTER_FE_ROCE_EGRESS_B    BIT(3)
47 #define HNS3_FILTER_FE_EGRESS           (HNS3_FILTER_FE_NIC_EGRESS_B \
48                                         | HNS3_FILTER_FE_ROCE_EGRESS_B)
49 #define HNS3_FILTER_FE_INGRESS          (HNS3_FILTER_FE_NIC_INGRESS_B \
50                                         | HNS3_FILTER_FE_ROCE_INGRESS_B)
51
52 /* Reset related Registers */
53 #define HNS3_GLOBAL_RESET_BIT           0
54 #define HNS3_CORE_RESET_BIT             1
55 #define HNS3_IMP_RESET_BIT              2
56 #define HNS3_FUN_RST_ING_B              0
57
58 #define HNS3_VECTOR0_IMP_RESET_INT_B    1
59
60 #define HNS3_RESET_WAIT_MS      100
61 #define HNS3_RESET_WAIT_CNT     200
62
63 enum hns3_evt_cause {
64         HNS3_VECTOR0_EVENT_RST,
65         HNS3_VECTOR0_EVENT_MBX,
66         HNS3_VECTOR0_EVENT_ERR,
67         HNS3_VECTOR0_EVENT_OTHER,
68 };
69
70 static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
71                                                  uint64_t *levels);
72 static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
73 static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
74                                     int on);
75 static int hns3_update_speed_duplex(struct rte_eth_dev *eth_dev);
76
77 static int hns3_add_mc_addr(struct hns3_hw *hw,
78                             struct rte_ether_addr *mac_addr);
79 static int hns3_remove_mc_addr(struct hns3_hw *hw,
80                             struct rte_ether_addr *mac_addr);
81
82 static void
83 hns3_pf_disable_irq0(struct hns3_hw *hw)
84 {
85         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
86 }
87
88 static void
89 hns3_pf_enable_irq0(struct hns3_hw *hw)
90 {
91         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
92 }
93
94 static enum hns3_evt_cause
95 hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
96 {
97         struct hns3_hw *hw = &hns->hw;
98         uint32_t vector0_int_stats;
99         uint32_t cmdq_src_val;
100         uint32_t val;
101         enum hns3_evt_cause ret;
102
103         /* fetch the events from their corresponding regs */
104         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
105         cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
106
107         /*
108          * Assumption: If by any chance reset and mailbox events are reported
109          * together then we will only process reset event and defer the
110          * processing of the mailbox events. Since, we would have not cleared
111          * RX CMDQ event this time we would receive again another interrupt
112          * from H/W just for the mailbox.
113          */
114         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
115                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
116                 hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
117                 val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
118                 if (clearval) {
119                         hw->reset.stats.imp_cnt++;
120                         hns3_warn(hw, "IMP reset detected, clear reset status");
121                 } else {
122                         hns3_schedule_delayed_reset(hns);
123                         hns3_warn(hw, "IMP reset detected, don't clear reset status");
124                 }
125
126                 ret = HNS3_VECTOR0_EVENT_RST;
127                 goto out;
128         }
129
130         /* Global reset */
131         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
132                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
133                 hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
134                 val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
135                 if (clearval) {
136                         hw->reset.stats.global_cnt++;
137                         hns3_warn(hw, "Global reset detected, clear reset status");
138                 } else {
139                         hns3_schedule_delayed_reset(hns);
140                         hns3_warn(hw, "Global reset detected, don't clear reset status");
141                 }
142
143                 ret = HNS3_VECTOR0_EVENT_RST;
144                 goto out;
145         }
146
147         /* check for vector0 msix event source */
148         if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK) {
149                 val = vector0_int_stats;
150                 ret = HNS3_VECTOR0_EVENT_ERR;
151                 goto out;
152         }
153
154         /* check for vector0 mailbox(=CMDQ RX) event source */
155         if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
156                 cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
157                 val = cmdq_src_val;
158                 ret = HNS3_VECTOR0_EVENT_MBX;
159                 goto out;
160         }
161
162         if (clearval && (vector0_int_stats || cmdq_src_val))
163                 hns3_warn(hw, "surprise irq ector0_int_stats:0x%x cmdq_src_val:0x%x",
164                           vector0_int_stats, cmdq_src_val);
165         val = vector0_int_stats;
166         ret = HNS3_VECTOR0_EVENT_OTHER;
167 out:
168
169         if (clearval)
170                 *clearval = val;
171         return ret;
172 }
173
174 static void
175 hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
176 {
177         if (event_type == HNS3_VECTOR0_EVENT_RST)
178                 hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
179         else if (event_type == HNS3_VECTOR0_EVENT_MBX)
180                 hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
181 }
182
183 static void
184 hns3_clear_all_event_cause(struct hns3_hw *hw)
185 {
186         uint32_t vector0_int_stats;
187         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
188
189         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
190                 hns3_warn(hw, "Probe during IMP reset interrupt");
191
192         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
193                 hns3_warn(hw, "Probe during Global reset interrupt");
194
195         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
196                                BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
197                                BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
198                                BIT(HNS3_VECTOR0_CORERESET_INT_B));
199         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
200 }
201
202 static void
203 hns3_interrupt_handler(void *param)
204 {
205         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
206         struct hns3_adapter *hns = dev->data->dev_private;
207         struct hns3_hw *hw = &hns->hw;
208         enum hns3_evt_cause event_cause;
209         uint32_t clearval = 0;
210
211         /* Disable interrupt */
212         hns3_pf_disable_irq0(hw);
213
214         event_cause = hns3_check_event_cause(hns, &clearval);
215
216         /* vector 0 interrupt is shared with reset and mailbox source events. */
217         if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
218                 hns3_handle_msix_error(hns, &hw->reset.request);
219                 hns3_schedule_reset(hns);
220         } else if (event_cause == HNS3_VECTOR0_EVENT_RST)
221                 hns3_schedule_reset(hns);
222         else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
223                 hns3_dev_handle_mbx_msg(hw);
224         else
225                 hns3_err(hw, "Received unknown event");
226
227         hns3_clear_event_cause(hw, event_cause, clearval);
228         /* Enable interrupt if it is not cause by reset */
229         hns3_pf_enable_irq0(hw);
230 }
231
232 static int
233 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
234 {
235 #define HNS3_VLAN_ID_OFFSET_STEP        160
236 #define HNS3_VLAN_BYTE_SIZE             8
237         struct hns3_vlan_filter_pf_cfg_cmd *req;
238         struct hns3_hw *hw = &hns->hw;
239         uint8_t vlan_offset_byte_val;
240         struct hns3_cmd_desc desc;
241         uint8_t vlan_offset_byte;
242         uint8_t vlan_offset_base;
243         int ret;
244
245         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
246
247         vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
248         vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
249                            HNS3_VLAN_BYTE_SIZE;
250         vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
251
252         req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
253         req->vlan_offset = vlan_offset_base;
254         req->vlan_cfg = on ? 0 : 1;
255         req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
256
257         ret = hns3_cmd_send(hw, &desc, 1);
258         if (ret)
259                 hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
260                          vlan_id, ret);
261
262         return ret;
263 }
264
265 static void
266 hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
267 {
268         struct hns3_user_vlan_table *vlan_entry;
269         struct hns3_pf *pf = &hns->pf;
270
271         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
272                 if (vlan_entry->vlan_id == vlan_id) {
273                         if (vlan_entry->hd_tbl_status)
274                                 hns3_set_port_vlan_filter(hns, vlan_id, 0);
275                         LIST_REMOVE(vlan_entry, next);
276                         rte_free(vlan_entry);
277                         break;
278                 }
279         }
280 }
281
282 static void
283 hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
284                         bool writen_to_tbl)
285 {
286         struct hns3_user_vlan_table *vlan_entry;
287         struct hns3_hw *hw = &hns->hw;
288         struct hns3_pf *pf = &hns->pf;
289
290         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
291                 if (vlan_entry->vlan_id == vlan_id)
292                         return;
293         }
294
295         vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
296         if (vlan_entry == NULL) {
297                 hns3_err(hw, "Failed to malloc hns3 vlan table");
298                 return;
299         }
300
301         vlan_entry->hd_tbl_status = writen_to_tbl;
302         vlan_entry->vlan_id = vlan_id;
303
304         LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
305 }
306
307 static int
308 hns3_restore_vlan_table(struct hns3_adapter *hns)
309 {
310         struct hns3_user_vlan_table *vlan_entry;
311         struct hns3_hw *hw = &hns->hw;
312         struct hns3_pf *pf = &hns->pf;
313         uint16_t vlan_id;
314         int ret = 0;
315
316         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
317                 return hns3_vlan_pvid_configure(hns,
318                                                 hw->port_base_vlan_cfg.pvid, 1);
319
320         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
321                 if (vlan_entry->hd_tbl_status) {
322                         vlan_id = vlan_entry->vlan_id;
323                         ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
324                         if (ret)
325                                 break;
326                 }
327         }
328
329         return ret;
330 }
331
332 static int
333 hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
334 {
335         struct hns3_hw *hw = &hns->hw;
336         bool writen_to_tbl = false;
337         int ret = 0;
338
339         /*
340          * When vlan filter is enabled, hardware regards vlan id 0 as the entry
341          * for normal packet, deleting vlan id 0 is not allowed.
342          */
343         if (on == 0 && vlan_id == 0)
344                 return 0;
345
346         /*
347          * When port base vlan enabled, we use port base vlan as the vlan
348          * filter condition. In this case, we don't update vlan filter table
349          * when user add new vlan or remove exist vlan, just update the
350          * vlan list. The vlan id in vlan list will be writen in vlan filter
351          * table until port base vlan disabled
352          */
353         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
354                 ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
355                 writen_to_tbl = true;
356         }
357
358         if (ret == 0 && vlan_id) {
359                 if (on)
360                         hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
361                 else
362                         hns3_rm_dev_vlan_table(hns, vlan_id);
363         }
364         return ret;
365 }
366
367 static int
368 hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
369 {
370         struct hns3_adapter *hns = dev->data->dev_private;
371         struct hns3_hw *hw = &hns->hw;
372         int ret;
373
374         rte_spinlock_lock(&hw->lock);
375         ret = hns3_vlan_filter_configure(hns, vlan_id, on);
376         rte_spinlock_unlock(&hw->lock);
377         return ret;
378 }
379
380 static int
381 hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
382                          uint16_t tpid)
383 {
384         struct hns3_rx_vlan_type_cfg_cmd *rx_req;
385         struct hns3_tx_vlan_type_cfg_cmd *tx_req;
386         struct hns3_hw *hw = &hns->hw;
387         struct hns3_cmd_desc desc;
388         int ret;
389
390         if ((vlan_type != ETH_VLAN_TYPE_INNER &&
391              vlan_type != ETH_VLAN_TYPE_OUTER)) {
392                 hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
393                 return -EINVAL;
394         }
395
396         if (tpid != RTE_ETHER_TYPE_VLAN) {
397                 hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
398                 return -EINVAL;
399         }
400
401         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
402         rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
403
404         if (vlan_type == ETH_VLAN_TYPE_OUTER) {
405                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
406                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
407         } else if (vlan_type == ETH_VLAN_TYPE_INNER) {
408                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
409                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
410                 rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
411                 rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
412         }
413
414         ret = hns3_cmd_send(hw, &desc, 1);
415         if (ret) {
416                 hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
417                          ret);
418                 return ret;
419         }
420
421         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
422
423         tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
424         tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
425         tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
426
427         ret = hns3_cmd_send(hw, &desc, 1);
428         if (ret)
429                 hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
430                          ret);
431         return ret;
432 }
433
434 static int
435 hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
436                    uint16_t tpid)
437 {
438         struct hns3_adapter *hns = dev->data->dev_private;
439         struct hns3_hw *hw = &hns->hw;
440         int ret;
441
442         rte_spinlock_lock(&hw->lock);
443         ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
444         rte_spinlock_unlock(&hw->lock);
445         return ret;
446 }
447
448 static int
449 hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
450                              struct hns3_rx_vtag_cfg *vcfg)
451 {
452         struct hns3_vport_vtag_rx_cfg_cmd *req;
453         struct hns3_hw *hw = &hns->hw;
454         struct hns3_cmd_desc desc;
455         uint16_t vport_id;
456         uint8_t bitmap;
457         int ret;
458
459         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
460
461         req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
462         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
463                      vcfg->strip_tag1_en ? 1 : 0);
464         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
465                      vcfg->strip_tag2_en ? 1 : 0);
466         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
467                      vcfg->vlan1_vlan_prionly ? 1 : 0);
468         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
469                      vcfg->vlan2_vlan_prionly ? 1 : 0);
470
471         /*
472          * In current version VF is not supported when PF is driven by DPDK
473          * driver, just need to configure parameters for PF vport.
474          */
475         vport_id = HNS3_PF_FUNC_ID;
476         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
477         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
478         req->vf_bitmap[req->vf_offset] = bitmap;
479
480         ret = hns3_cmd_send(hw, &desc, 1);
481         if (ret)
482                 hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
483         return ret;
484 }
485
486 static void
487 hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
488                            struct hns3_rx_vtag_cfg *vcfg)
489 {
490         struct hns3_pf *pf = &hns->pf;
491         memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
492 }
493
494 static void
495 hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
496                            struct hns3_tx_vtag_cfg *vcfg)
497 {
498         struct hns3_pf *pf = &hns->pf;
499         memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
500 }
501
502 static int
503 hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
504 {
505         struct hns3_rx_vtag_cfg rxvlan_cfg;
506         struct hns3_hw *hw = &hns->hw;
507         int ret;
508
509         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
510                 rxvlan_cfg.strip_tag1_en = false;
511                 rxvlan_cfg.strip_tag2_en = enable;
512         } else {
513                 rxvlan_cfg.strip_tag1_en = enable;
514                 rxvlan_cfg.strip_tag2_en = true;
515         }
516
517         rxvlan_cfg.vlan1_vlan_prionly = false;
518         rxvlan_cfg.vlan2_vlan_prionly = false;
519         rxvlan_cfg.rx_vlan_offload_en = enable;
520
521         ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
522         if (ret) {
523                 hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
524                 return ret;
525         }
526
527         hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
528
529         return ret;
530 }
531
532 static int
533 hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
534                           uint8_t fe_type, bool filter_en, uint8_t vf_id)
535 {
536         struct hns3_vlan_filter_ctrl_cmd *req;
537         struct hns3_cmd_desc desc;
538         int ret;
539
540         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
541
542         req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
543         req->vlan_type = vlan_type;
544         req->vlan_fe = filter_en ? fe_type : 0;
545         req->vf_id = vf_id;
546
547         ret = hns3_cmd_send(hw, &desc, 1);
548         if (ret)
549                 hns3_err(hw, "set vlan filter fail, ret =%d", ret);
550
551         return ret;
552 }
553
554 static int
555 hns3_vlan_filter_init(struct hns3_adapter *hns)
556 {
557         struct hns3_hw *hw = &hns->hw;
558         int ret;
559
560         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
561                                         HNS3_FILTER_FE_EGRESS, false,
562                                         HNS3_PF_FUNC_ID);
563         if (ret) {
564                 hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
565                 return ret;
566         }
567
568         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
569                                         HNS3_FILTER_FE_INGRESS, false,
570                                         HNS3_PF_FUNC_ID);
571         if (ret)
572                 hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
573
574         return ret;
575 }
576
577 static int
578 hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
579 {
580         struct hns3_hw *hw = &hns->hw;
581         int ret;
582
583         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
584                                         HNS3_FILTER_FE_INGRESS, enable,
585                                         HNS3_PF_FUNC_ID);
586         if (ret)
587                 hns3_err(hw, "failed to %s port vlan filter, ret = %d",
588                          enable ? "enable" : "disable", ret);
589
590         return ret;
591 }
592
593 static int
594 hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
595 {
596         struct hns3_adapter *hns = dev->data->dev_private;
597         struct hns3_hw *hw = &hns->hw;
598         struct rte_eth_rxmode *rxmode;
599         unsigned int tmp_mask;
600         bool enable;
601         int ret = 0;
602
603         rte_spinlock_lock(&hw->lock);
604         rxmode = &dev->data->dev_conf.rxmode;
605         tmp_mask = (unsigned int)mask;
606         if (tmp_mask & ETH_VLAN_FILTER_MASK) {
607                 /* ignore vlan filter configuration during promiscuous mode */
608                 if (!dev->data->promiscuous) {
609                         /* Enable or disable VLAN filter */
610                         enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
611                                  true : false;
612
613                         ret = hns3_enable_vlan_filter(hns, enable);
614                         if (ret) {
615                                 rte_spinlock_unlock(&hw->lock);
616                                 hns3_err(hw, "failed to %s rx filter, ret = %d",
617                                          enable ? "enable" : "disable", ret);
618                                 return ret;
619                         }
620                 }
621         }
622
623         if (tmp_mask & ETH_VLAN_STRIP_MASK) {
624                 /* Enable or disable VLAN stripping */
625                 enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
626                     true : false;
627
628                 ret = hns3_en_hw_strip_rxvtag(hns, enable);
629                 if (ret) {
630                         rte_spinlock_unlock(&hw->lock);
631                         hns3_err(hw, "failed to %s rx strip, ret = %d",
632                                  enable ? "enable" : "disable", ret);
633                         return ret;
634                 }
635         }
636
637         rte_spinlock_unlock(&hw->lock);
638
639         return ret;
640 }
641
642 static int
643 hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
644                              struct hns3_tx_vtag_cfg *vcfg)
645 {
646         struct hns3_vport_vtag_tx_cfg_cmd *req;
647         struct hns3_cmd_desc desc;
648         struct hns3_hw *hw = &hns->hw;
649         uint16_t vport_id;
650         uint8_t bitmap;
651         int ret;
652
653         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
654
655         req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
656         req->def_vlan_tag1 = vcfg->default_tag1;
657         req->def_vlan_tag2 = vcfg->default_tag2;
658         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
659                      vcfg->accept_tag1 ? 1 : 0);
660         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
661                      vcfg->accept_untag1 ? 1 : 0);
662         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
663                      vcfg->accept_tag2 ? 1 : 0);
664         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
665                      vcfg->accept_untag2 ? 1 : 0);
666         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
667                      vcfg->insert_tag1_en ? 1 : 0);
668         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
669                      vcfg->insert_tag2_en ? 1 : 0);
670         hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
671
672         /*
673          * In current version VF is not supported when PF is driven by DPDK
674          * driver, just need to configure parameters for PF vport.
675          */
676         vport_id = HNS3_PF_FUNC_ID;
677         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
678         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
679         req->vf_bitmap[req->vf_offset] = bitmap;
680
681         ret = hns3_cmd_send(hw, &desc, 1);
682         if (ret)
683                 hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
684
685         return ret;
686 }
687
688 static int
689 hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
690                      uint16_t pvid)
691 {
692         struct hns3_hw *hw = &hns->hw;
693         struct hns3_tx_vtag_cfg txvlan_cfg;
694         int ret;
695
696         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
697                 txvlan_cfg.accept_tag1 = true;
698                 txvlan_cfg.insert_tag1_en = false;
699                 txvlan_cfg.default_tag1 = 0;
700         } else {
701                 txvlan_cfg.accept_tag1 = false;
702                 txvlan_cfg.insert_tag1_en = true;
703                 txvlan_cfg.default_tag1 = pvid;
704         }
705
706         txvlan_cfg.accept_untag1 = true;
707         txvlan_cfg.accept_tag2 = true;
708         txvlan_cfg.accept_untag2 = true;
709         txvlan_cfg.insert_tag2_en = false;
710         txvlan_cfg.default_tag2 = 0;
711
712         ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
713         if (ret) {
714                 hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
715                          ret);
716                 return ret;
717         }
718
719         hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
720         return ret;
721 }
722
723 static void
724 hns3_store_port_base_vlan_info(struct hns3_adapter *hns, uint16_t pvid, int on)
725 {
726         struct hns3_hw *hw = &hns->hw;
727
728         hw->port_base_vlan_cfg.state = on ?
729             HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE;
730
731         hw->port_base_vlan_cfg.pvid = pvid;
732 }
733
734 static void
735 hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
736 {
737         struct hns3_user_vlan_table *vlan_entry;
738         struct hns3_pf *pf = &hns->pf;
739
740         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
741                 if (vlan_entry->hd_tbl_status)
742                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
743
744                 vlan_entry->hd_tbl_status = false;
745         }
746
747         if (is_del_list) {
748                 vlan_entry = LIST_FIRST(&pf->vlan_list);
749                 while (vlan_entry) {
750                         LIST_REMOVE(vlan_entry, next);
751                         rte_free(vlan_entry);
752                         vlan_entry = LIST_FIRST(&pf->vlan_list);
753                 }
754         }
755 }
756
757 static void
758 hns3_add_all_vlan_table(struct hns3_adapter *hns)
759 {
760         struct hns3_user_vlan_table *vlan_entry;
761         struct hns3_pf *pf = &hns->pf;
762
763         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
764                 if (!vlan_entry->hd_tbl_status)
765                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
766
767                 vlan_entry->hd_tbl_status = true;
768         }
769 }
770
771 static void
772 hns3_remove_all_vlan_table(struct hns3_adapter *hns)
773 {
774         struct hns3_hw *hw = &hns->hw;
775         int ret;
776
777         hns3_rm_all_vlan_table(hns, true);
778         if (hw->port_base_vlan_cfg.pvid != HNS3_INVLID_PVID) {
779                 ret = hns3_set_port_vlan_filter(hns,
780                                                 hw->port_base_vlan_cfg.pvid, 0);
781                 if (ret) {
782                         hns3_err(hw, "Failed to remove all vlan table, ret =%d",
783                                  ret);
784                         return;
785                 }
786         }
787 }
788
789 static int
790 hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
791                                 uint16_t port_base_vlan_state,
792                                 uint16_t new_pvid, uint16_t old_pvid)
793 {
794         struct hns3_hw *hw = &hns->hw;
795         int ret = 0;
796
797         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
798                 if (old_pvid != HNS3_INVLID_PVID && old_pvid != 0) {
799                         ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
800                         if (ret) {
801                                 hns3_err(hw,
802                                          "Failed to clear clear old pvid filter, ret =%d",
803                                          ret);
804                                 return ret;
805                         }
806                 }
807
808                 hns3_rm_all_vlan_table(hns, false);
809                 return hns3_set_port_vlan_filter(hns, new_pvid, 1);
810         }
811
812         if (new_pvid != 0) {
813                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
814                 if (ret) {
815                         hns3_err(hw, "Failed to set port vlan filter, ret =%d",
816                                  ret);
817                         return ret;
818                 }
819         }
820
821         if (new_pvid == hw->port_base_vlan_cfg.pvid)
822                 hns3_add_all_vlan_table(hns);
823
824         return ret;
825 }
826
827 static int
828 hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
829 {
830         struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
831         struct hns3_rx_vtag_cfg rx_vlan_cfg;
832         bool rx_strip_en;
833         int ret;
834
835         rx_strip_en = old_cfg->rx_vlan_offload_en ? true : false;
836         if (on) {
837                 rx_vlan_cfg.strip_tag1_en = rx_strip_en;
838                 rx_vlan_cfg.strip_tag2_en = true;
839         } else {
840                 rx_vlan_cfg.strip_tag1_en = false;
841                 rx_vlan_cfg.strip_tag2_en = rx_strip_en;
842         }
843         rx_vlan_cfg.vlan1_vlan_prionly = false;
844         rx_vlan_cfg.vlan2_vlan_prionly = false;
845         rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
846
847         ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
848         if (ret)
849                 return ret;
850
851         hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
852         return ret;
853 }
854
855 static int
856 hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
857 {
858         struct hns3_hw *hw = &hns->hw;
859         uint16_t port_base_vlan_state;
860         uint16_t old_pvid;
861         int ret;
862
863         if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
864                 if (hw->port_base_vlan_cfg.pvid != HNS3_INVLID_PVID)
865                         hns3_warn(hw, "Invalid operation! As current pvid set "
866                                   "is %u, disable pvid %u is invalid",
867                                   hw->port_base_vlan_cfg.pvid, pvid);
868                 return 0;
869         }
870
871         port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
872                                     HNS3_PORT_BASE_VLAN_DISABLE;
873         ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
874         if (ret) {
875                 hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
876                          ret);
877                 return ret;
878         }
879
880         ret = hns3_en_pvid_strip(hns, on);
881         if (ret) {
882                 hns3_err(hw, "failed to config rx vlan strip for pvid, "
883                          "ret = %d", ret);
884                 return ret;
885         }
886
887         if (pvid == HNS3_INVLID_PVID)
888                 goto out;
889         old_pvid = hw->port_base_vlan_cfg.pvid;
890         ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid,
891                                               old_pvid);
892         if (ret) {
893                 hns3_err(hw, "Failed to update vlan filter entries, ret =%d",
894                          ret);
895                 return ret;
896         }
897
898 out:
899         hns3_store_port_base_vlan_info(hns, pvid, on);
900         return ret;
901 }
902
903 static int
904 hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
905 {
906         struct hns3_adapter *hns = dev->data->dev_private;
907         struct hns3_hw *hw = &hns->hw;
908         int ret;
909
910         if (pvid > RTE_ETHER_MAX_VLAN_ID) {
911                 hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
912                          RTE_ETHER_MAX_VLAN_ID);
913                 return -EINVAL;
914         }
915
916         rte_spinlock_lock(&hw->lock);
917         ret = hns3_vlan_pvid_configure(hns, pvid, on);
918         rte_spinlock_unlock(&hw->lock);
919         return ret;
920 }
921
922 static void
923 init_port_base_vlan_info(struct hns3_hw *hw)
924 {
925         hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
926         hw->port_base_vlan_cfg.pvid = HNS3_INVLID_PVID;
927 }
928
929 static int
930 hns3_default_vlan_config(struct hns3_adapter *hns)
931 {
932         struct hns3_hw *hw = &hns->hw;
933         int ret;
934
935         ret = hns3_set_port_vlan_filter(hns, 0, 1);
936         if (ret)
937                 hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
938         return ret;
939 }
940
941 static int
942 hns3_init_vlan_config(struct hns3_adapter *hns)
943 {
944         struct hns3_hw *hw = &hns->hw;
945         int ret;
946
947         /*
948          * This function can be called in the initialization and reset process,
949          * when in reset process, it means that hardware had been reseted
950          * successfully and we need to restore the hardware configuration to
951          * ensure that the hardware configuration remains unchanged before and
952          * after reset.
953          */
954         if (rte_atomic16_read(&hw->reset.resetting) == 0)
955                 init_port_base_vlan_info(hw);
956
957         ret = hns3_vlan_filter_init(hns);
958         if (ret) {
959                 hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
960                 return ret;
961         }
962
963         ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
964                                        RTE_ETHER_TYPE_VLAN);
965         if (ret) {
966                 hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
967                 return ret;
968         }
969
970         /*
971          * When in the reinit dev stage of the reset process, the following
972          * vlan-related configurations may differ from those at initialization,
973          * we will restore configurations to hardware in hns3_restore_vlan_table
974          * and hns3_restore_vlan_conf later.
975          */
976         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
977                 ret = hns3_vlan_pvid_configure(hns, HNS3_INVLID_PVID, 0);
978                 if (ret) {
979                         hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
980                         return ret;
981                 }
982
983                 ret = hns3_en_hw_strip_rxvtag(hns, false);
984                 if (ret) {
985                         hns3_err(hw, "rx strip configure fail in pf, ret =%d",
986                                  ret);
987                         return ret;
988                 }
989         }
990
991         return hns3_default_vlan_config(hns);
992 }
993
994 static int
995 hns3_restore_vlan_conf(struct hns3_adapter *hns)
996 {
997         struct hns3_pf *pf = &hns->pf;
998         struct hns3_hw *hw = &hns->hw;
999         uint64_t offloads;
1000         bool enable;
1001         int ret;
1002
1003         if (!hw->data->promiscuous) {
1004                 /* restore vlan filter states */
1005                 offloads = hw->data->dev_conf.rxmode.offloads;
1006                 enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1007                 ret = hns3_enable_vlan_filter(hns, enable);
1008                 if (ret) {
1009                         hns3_err(hw, "failed to restore vlan rx filter conf, "
1010                                  "ret = %d", ret);
1011                         return ret;
1012                 }
1013         }
1014
1015         ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1016         if (ret) {
1017                 hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1018                 return ret;
1019         }
1020
1021         ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1022         if (ret)
1023                 hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1024
1025         return ret;
1026 }
1027
1028 static int
1029 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1030 {
1031         struct hns3_adapter *hns = dev->data->dev_private;
1032         struct rte_eth_dev_data *data = dev->data;
1033         struct rte_eth_txmode *txmode;
1034         struct hns3_hw *hw = &hns->hw;
1035         int mask;
1036         int ret;
1037
1038         txmode = &data->dev_conf.txmode;
1039         if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1040                 hns3_warn(hw,
1041                           "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1042                           "configuration is not supported! Ignore these two "
1043                           "parameters: hw_vlan_reject_tagged(%d), "
1044                           "hw_vlan_reject_untagged(%d)",
1045                           txmode->hw_vlan_reject_tagged,
1046                           txmode->hw_vlan_reject_untagged);
1047
1048         /* Apply vlan offload setting */
1049         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1050         ret = hns3_vlan_offload_set(dev, mask);
1051         if (ret) {
1052                 hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1053                          ret);
1054                 return ret;
1055         }
1056
1057         /*
1058          * If pvid config is not set in rte_eth_conf, driver needn't to set
1059          * VLAN pvid related configuration to hardware.
1060          */
1061         if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1062                 return 0;
1063
1064         /* Apply pvid setting */
1065         ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1066                                  txmode->hw_vlan_insert_pvid);
1067         if (ret)
1068                 hns3_err(hw, "dev config vlan pvid(%d) failed, ret = %d",
1069                          txmode->pvid, ret);
1070
1071         return ret;
1072 }
1073
1074 static int
1075 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1076                 unsigned int tso_mss_max)
1077 {
1078         struct hns3_cfg_tso_status_cmd *req;
1079         struct hns3_cmd_desc desc;
1080         uint16_t tso_mss;
1081
1082         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1083
1084         req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1085
1086         tso_mss = 0;
1087         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1088                        tso_mss_min);
1089         req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1090
1091         tso_mss = 0;
1092         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1093                        tso_mss_max);
1094         req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1095
1096         return hns3_cmd_send(hw, &desc, 1);
1097 }
1098
1099 int
1100 hns3_config_gro(struct hns3_hw *hw, bool en)
1101 {
1102         struct hns3_cfg_gro_status_cmd *req;
1103         struct hns3_cmd_desc desc;
1104         int ret;
1105
1106         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GRO_GENERIC_CONFIG, false);
1107         req = (struct hns3_cfg_gro_status_cmd *)desc.data;
1108
1109         req->gro_en = rte_cpu_to_le_16(en ? 1 : 0);
1110
1111         ret = hns3_cmd_send(hw, &desc, 1);
1112         if (ret)
1113                 hns3_err(hw, "GRO hardware config cmd failed, ret = %d", ret);
1114
1115         return ret;
1116 }
1117
1118 static int
1119 hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
1120                    uint16_t *allocated_size, bool is_alloc)
1121 {
1122         struct hns3_umv_spc_alc_cmd *req;
1123         struct hns3_cmd_desc desc;
1124         int ret;
1125
1126         req = (struct hns3_umv_spc_alc_cmd *)desc.data;
1127         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
1128         hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
1129         req->space_size = rte_cpu_to_le_32(space_size);
1130
1131         ret = hns3_cmd_send(hw, &desc, 1);
1132         if (ret) {
1133                 PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
1134                              is_alloc ? "allocate" : "free", ret);
1135                 return ret;
1136         }
1137
1138         if (is_alloc && allocated_size)
1139                 *allocated_size = rte_le_to_cpu_32(desc.data[1]);
1140
1141         return 0;
1142 }
1143
1144 static int
1145 hns3_init_umv_space(struct hns3_hw *hw)
1146 {
1147         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1148         struct hns3_pf *pf = &hns->pf;
1149         uint16_t allocated_size = 0;
1150         int ret;
1151
1152         ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
1153                                  true);
1154         if (ret)
1155                 return ret;
1156
1157         if (allocated_size < pf->wanted_umv_size)
1158                 PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
1159                              pf->wanted_umv_size, allocated_size);
1160
1161         pf->max_umv_size = (!!allocated_size) ? allocated_size :
1162                                                 pf->wanted_umv_size;
1163         pf->used_umv_size = 0;
1164         return 0;
1165 }
1166
1167 static int
1168 hns3_uninit_umv_space(struct hns3_hw *hw)
1169 {
1170         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1171         struct hns3_pf *pf = &hns->pf;
1172         int ret;
1173
1174         if (pf->max_umv_size == 0)
1175                 return 0;
1176
1177         ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
1178         if (ret)
1179                 return ret;
1180
1181         pf->max_umv_size = 0;
1182
1183         return 0;
1184 }
1185
1186 static bool
1187 hns3_is_umv_space_full(struct hns3_hw *hw)
1188 {
1189         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1190         struct hns3_pf *pf = &hns->pf;
1191         bool is_full;
1192
1193         is_full = (pf->used_umv_size >= pf->max_umv_size);
1194
1195         return is_full;
1196 }
1197
1198 static void
1199 hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
1200 {
1201         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1202         struct hns3_pf *pf = &hns->pf;
1203
1204         if (is_free) {
1205                 if (pf->used_umv_size > 0)
1206                         pf->used_umv_size--;
1207         } else
1208                 pf->used_umv_size++;
1209 }
1210
1211 static void
1212 hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
1213                       const uint8_t *addr, bool is_mc)
1214 {
1215         const unsigned char *mac_addr = addr;
1216         uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
1217                             ((uint32_t)mac_addr[2] << 16) |
1218                             ((uint32_t)mac_addr[1] << 8) |
1219                             (uint32_t)mac_addr[0];
1220         uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
1221
1222         hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1223         if (is_mc) {
1224                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1225                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
1226                 hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1227         }
1228
1229         new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
1230         new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
1231 }
1232
1233 static int
1234 hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
1235                              uint8_t resp_code,
1236                              enum hns3_mac_vlan_tbl_opcode op)
1237 {
1238         if (cmdq_resp) {
1239                 hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
1240                          cmdq_resp);
1241                 return -EIO;
1242         }
1243
1244         if (op == HNS3_MAC_VLAN_ADD) {
1245                 if (resp_code == 0 || resp_code == 1) {
1246                         return 0;
1247                 } else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
1248                         hns3_err(hw, "add mac addr failed for uc_overflow");
1249                         return -ENOSPC;
1250                 } else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
1251                         hns3_err(hw, "add mac addr failed for mc_overflow");
1252                         return -ENOSPC;
1253                 }
1254
1255                 hns3_err(hw, "add mac addr failed for undefined, code=%u",
1256                          resp_code);
1257                 return -EIO;
1258         } else if (op == HNS3_MAC_VLAN_REMOVE) {
1259                 if (resp_code == 0) {
1260                         return 0;
1261                 } else if (resp_code == 1) {
1262                         hns3_dbg(hw, "remove mac addr failed for miss");
1263                         return -ENOENT;
1264                 }
1265
1266                 hns3_err(hw, "remove mac addr failed for undefined, code=%u",
1267                          resp_code);
1268                 return -EIO;
1269         } else if (op == HNS3_MAC_VLAN_LKUP) {
1270                 if (resp_code == 0) {
1271                         return 0;
1272                 } else if (resp_code == 1) {
1273                         hns3_dbg(hw, "lookup mac addr failed for miss");
1274                         return -ENOENT;
1275                 }
1276
1277                 hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
1278                          resp_code);
1279                 return -EIO;
1280         }
1281
1282         hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
1283                  op);
1284
1285         return -EINVAL;
1286 }
1287
1288 static int
1289 hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
1290                          struct hns3_mac_vlan_tbl_entry_cmd *req,
1291                          struct hns3_cmd_desc *desc, bool is_mc)
1292 {
1293         uint8_t resp_code;
1294         uint16_t retval;
1295         int ret;
1296
1297         hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
1298         if (is_mc) {
1299                 desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1300                 memcpy(desc[0].data, req,
1301                            sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1302                 hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
1303                                           true);
1304                 desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1305                 hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
1306                                           true);
1307                 ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1308         } else {
1309                 memcpy(desc[0].data, req,
1310                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1311                 ret = hns3_cmd_send(hw, desc, 1);
1312         }
1313         if (ret) {
1314                 hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
1315                          ret);
1316                 return ret;
1317         }
1318         resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
1319         retval = rte_le_to_cpu_16(desc[0].retval);
1320
1321         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1322                                             HNS3_MAC_VLAN_LKUP);
1323 }
1324
1325 static int
1326 hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
1327                       struct hns3_mac_vlan_tbl_entry_cmd *req,
1328                       struct hns3_cmd_desc *mc_desc)
1329 {
1330         uint8_t resp_code;
1331         uint16_t retval;
1332         int cfg_status;
1333         int ret;
1334
1335         if (mc_desc == NULL) {
1336                 struct hns3_cmd_desc desc;
1337
1338                 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
1339                 memcpy(desc.data, req,
1340                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1341                 ret = hns3_cmd_send(hw, &desc, 1);
1342                 resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1343                 retval = rte_le_to_cpu_16(desc.retval);
1344
1345                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1346                                                           HNS3_MAC_VLAN_ADD);
1347         } else {
1348                 hns3_cmd_reuse_desc(&mc_desc[0], false);
1349                 mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1350                 hns3_cmd_reuse_desc(&mc_desc[1], false);
1351                 mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1352                 hns3_cmd_reuse_desc(&mc_desc[2], false);
1353                 mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
1354                 memcpy(mc_desc[0].data, req,
1355                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1356                 mc_desc[0].retval = 0;
1357                 ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1358                 resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
1359                 retval = rte_le_to_cpu_16(mc_desc[0].retval);
1360
1361                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1362                                                           HNS3_MAC_VLAN_ADD);
1363         }
1364
1365         if (ret) {
1366                 hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
1367                 return ret;
1368         }
1369
1370         return cfg_status;
1371 }
1372
1373 static int
1374 hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
1375                          struct hns3_mac_vlan_tbl_entry_cmd *req)
1376 {
1377         struct hns3_cmd_desc desc;
1378         uint8_t resp_code;
1379         uint16_t retval;
1380         int ret;
1381
1382         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
1383
1384         memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1385
1386         ret = hns3_cmd_send(hw, &desc, 1);
1387         if (ret) {
1388                 hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
1389                 return ret;
1390         }
1391         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1392         retval = rte_le_to_cpu_16(desc.retval);
1393
1394         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1395                                             HNS3_MAC_VLAN_REMOVE);
1396 }
1397
1398 static int
1399 hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1400 {
1401         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1402         struct hns3_mac_vlan_tbl_entry_cmd req;
1403         struct hns3_pf *pf = &hns->pf;
1404         struct hns3_cmd_desc desc;
1405         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1406         uint16_t egress_port = 0;
1407         uint8_t vf_id;
1408         int ret;
1409
1410         /* check if mac addr is valid */
1411         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1412                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1413                                       mac_addr);
1414                 hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
1415                          mac_str);
1416                 return -EINVAL;
1417         }
1418
1419         memset(&req, 0, sizeof(req));
1420
1421         /*
1422          * In current version VF is not supported when PF is driven by DPDK
1423          * driver, just need to configure parameters for PF vport.
1424          */
1425         vf_id = HNS3_PF_FUNC_ID;
1426         hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
1427                        HNS3_MAC_EPORT_VFID_S, vf_id);
1428
1429         req.egress_port = rte_cpu_to_le_16(egress_port);
1430
1431         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1432
1433         /*
1434          * Lookup the mac address in the mac_vlan table, and add
1435          * it if the entry is inexistent. Repeated unicast entry
1436          * is not allowed in the mac vlan table.
1437          */
1438         ret = hns3_lookup_mac_vlan_tbl(hw, &req, &desc, false);
1439         if (ret == -ENOENT) {
1440                 if (!hns3_is_umv_space_full(hw)) {
1441                         ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
1442                         if (!ret)
1443                                 hns3_update_umv_space(hw, false);
1444                         return ret;
1445                 }
1446
1447                 hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
1448
1449                 return -ENOSPC;
1450         }
1451
1452         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
1453
1454         /* check if we just hit the duplicate */
1455         if (ret == 0) {
1456                 hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
1457                 return 0;
1458         }
1459
1460         hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
1461                  mac_str);
1462
1463         return ret;
1464 }
1465
1466 static int
1467 hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1468 {
1469         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1470         struct rte_ether_addr *addr;
1471         int ret;
1472         int i;
1473
1474         for (i = 0; i < hw->mc_addrs_num; i++) {
1475                 addr = &hw->mc_addrs[i];
1476                 /* Check if there are duplicate addresses */
1477                 if (rte_is_same_ether_addr(addr, mac_addr)) {
1478                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1479                                               addr);
1480                         hns3_err(hw, "failed to add mc mac addr, same addrs"
1481                                  "(%s) is added by the set_mc_mac_addr_list "
1482                                  "API", mac_str);
1483                         return -EINVAL;
1484                 }
1485         }
1486
1487         ret = hns3_add_mc_addr(hw, mac_addr);
1488         if (ret) {
1489                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1490                                       mac_addr);
1491                 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
1492                          mac_str, ret);
1493         }
1494         return ret;
1495 }
1496
1497 static int
1498 hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1499 {
1500         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1501         int ret;
1502
1503         ret = hns3_remove_mc_addr(hw, mac_addr);
1504         if (ret) {
1505                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1506                                       mac_addr);
1507                 hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
1508                          mac_str, ret);
1509         }
1510         return ret;
1511 }
1512
1513 static int
1514 hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1515                   uint32_t idx, __rte_unused uint32_t pool)
1516 {
1517         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1518         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1519         int ret;
1520
1521         rte_spinlock_lock(&hw->lock);
1522
1523         /*
1524          * In hns3 network engine adding UC and MC mac address with different
1525          * commands with firmware. We need to determine whether the input
1526          * address is a UC or a MC address to call different commands.
1527          * By the way, it is recommended calling the API function named
1528          * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
1529          * using the rte_eth_dev_mac_addr_add API function to set MC mac address
1530          * may affect the specifications of UC mac addresses.
1531          */
1532         if (rte_is_multicast_ether_addr(mac_addr))
1533                 ret = hns3_add_mc_addr_common(hw, mac_addr);
1534         else
1535                 ret = hns3_add_uc_addr_common(hw, mac_addr);
1536
1537         if (ret) {
1538                 rte_spinlock_unlock(&hw->lock);
1539                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1540                                       mac_addr);
1541                 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
1542                          ret);
1543                 return ret;
1544         }
1545
1546         if (idx == 0)
1547                 hw->mac.default_addr_setted = true;
1548         rte_spinlock_unlock(&hw->lock);
1549
1550         return ret;
1551 }
1552
1553 static int
1554 hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1555 {
1556         struct hns3_mac_vlan_tbl_entry_cmd req;
1557         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1558         int ret;
1559
1560         /* check if mac addr is valid */
1561         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1562                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1563                                       mac_addr);
1564                 hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
1565                          mac_str);
1566                 return -EINVAL;
1567         }
1568
1569         memset(&req, 0, sizeof(req));
1570         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1571         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1572         ret = hns3_remove_mac_vlan_tbl(hw, &req);
1573         if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
1574                 return 0;
1575         else if (ret == 0)
1576                 hns3_update_umv_space(hw, true);
1577
1578         return ret;
1579 }
1580
1581 static void
1582 hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
1583 {
1584         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1585         /* index will be checked by upper level rte interface */
1586         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
1587         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1588         int ret;
1589
1590         rte_spinlock_lock(&hw->lock);
1591
1592         if (rte_is_multicast_ether_addr(mac_addr))
1593                 ret = hns3_remove_mc_addr_common(hw, mac_addr);
1594         else
1595                 ret = hns3_remove_uc_addr_common(hw, mac_addr);
1596         rte_spinlock_unlock(&hw->lock);
1597         if (ret) {
1598                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1599                                       mac_addr);
1600                 hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
1601                          ret);
1602         }
1603 }
1604
1605 static int
1606 hns3_set_default_mac_addr(struct rte_eth_dev *dev,
1607                           struct rte_ether_addr *mac_addr)
1608 {
1609         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1610         struct rte_ether_addr *oaddr;
1611         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1612         bool default_addr_setted;
1613         bool rm_succes = false;
1614         int ret, ret_val;
1615
1616         /*
1617          * It has been guaranteed that input parameter named mac_addr is valid
1618          * address in the rte layer of DPDK framework.
1619          */
1620         oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
1621         default_addr_setted = hw->mac.default_addr_setted;
1622         if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
1623                 return 0;
1624
1625         rte_spinlock_lock(&hw->lock);
1626         if (default_addr_setted) {
1627                 ret = hns3_remove_uc_addr_common(hw, oaddr);
1628                 if (ret) {
1629                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1630                                               oaddr);
1631                         hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
1632                                   mac_str, ret);
1633                         rm_succes = false;
1634                 } else
1635                         rm_succes = true;
1636         }
1637
1638         ret = hns3_add_uc_addr_common(hw, mac_addr);
1639         if (ret) {
1640                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1641                                       mac_addr);
1642                 hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
1643                 goto err_add_uc_addr;
1644         }
1645
1646         ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
1647         if (ret) {
1648                 hns3_err(hw, "Failed to configure mac pause address: %d", ret);
1649                 goto err_pause_addr_cfg;
1650         }
1651
1652         rte_ether_addr_copy(mac_addr,
1653                             (struct rte_ether_addr *)hw->mac.mac_addr);
1654         hw->mac.default_addr_setted = true;
1655         rte_spinlock_unlock(&hw->lock);
1656
1657         return 0;
1658
1659 err_pause_addr_cfg:
1660         ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
1661         if (ret_val) {
1662                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1663                                       mac_addr);
1664                 hns3_warn(hw,
1665                           "Failed to roll back to del setted mac addr(%s): %d",
1666                           mac_str, ret_val);
1667         }
1668
1669 err_add_uc_addr:
1670         if (rm_succes) {
1671                 ret_val = hns3_add_uc_addr_common(hw, oaddr);
1672                 if (ret_val) {
1673                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1674                                               oaddr);
1675                         hns3_warn(hw,
1676                                   "Failed to restore old uc mac addr(%s): %d",
1677                                   mac_str, ret_val);
1678                         hw->mac.default_addr_setted = false;
1679                 }
1680         }
1681         rte_spinlock_unlock(&hw->lock);
1682
1683         return ret;
1684 }
1685
1686 static int
1687 hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
1688 {
1689         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1690         struct hns3_hw *hw = &hns->hw;
1691         struct rte_ether_addr *addr;
1692         int err = 0;
1693         int ret;
1694         int i;
1695
1696         for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
1697                 addr = &hw->data->mac_addrs[i];
1698                 if (rte_is_zero_ether_addr(addr))
1699                         continue;
1700                 if (rte_is_multicast_ether_addr(addr))
1701                         ret = del ? hns3_remove_mc_addr(hw, addr) :
1702                               hns3_add_mc_addr(hw, addr);
1703                 else
1704                         ret = del ? hns3_remove_uc_addr_common(hw, addr) :
1705                               hns3_add_uc_addr_common(hw, addr);
1706
1707                 if (ret) {
1708                         err = ret;
1709                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1710                                               addr);
1711                         hns3_err(hw, "failed to %s mac addr(%s) index:%d "
1712                                  "ret = %d.", del ? "remove" : "restore",
1713                                  mac_str, i, ret);
1714                 }
1715         }
1716         return err;
1717 }
1718
1719 static void
1720 hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
1721 {
1722 #define HNS3_VF_NUM_IN_FIRST_DESC 192
1723         uint8_t word_num;
1724         uint8_t bit_num;
1725
1726         if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
1727                 word_num = vfid / 32;
1728                 bit_num = vfid % 32;
1729                 if (clr)
1730                         desc[1].data[word_num] &=
1731                             rte_cpu_to_le_32(~(1UL << bit_num));
1732                 else
1733                         desc[1].data[word_num] |=
1734                             rte_cpu_to_le_32(1UL << bit_num);
1735         } else {
1736                 word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
1737                 bit_num = vfid % 32;
1738                 if (clr)
1739                         desc[2].data[word_num] &=
1740                             rte_cpu_to_le_32(~(1UL << bit_num));
1741                 else
1742                         desc[2].data[word_num] |=
1743                             rte_cpu_to_le_32(1UL << bit_num);
1744         }
1745 }
1746
1747 static int
1748 hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1749 {
1750         struct hns3_mac_vlan_tbl_entry_cmd req;
1751         struct hns3_cmd_desc desc[3];
1752         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1753         uint8_t vf_id;
1754         int ret;
1755
1756         /* Check if mac addr is valid */
1757         if (!rte_is_multicast_ether_addr(mac_addr)) {
1758                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1759                                       mac_addr);
1760                 hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
1761                          mac_str);
1762                 return -EINVAL;
1763         }
1764
1765         memset(&req, 0, sizeof(req));
1766         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1767         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1768         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1769         if (ret) {
1770                 /* This mac addr do not exist, add new entry for it */
1771                 memset(desc[0].data, 0, sizeof(desc[0].data));
1772                 memset(desc[1].data, 0, sizeof(desc[0].data));
1773                 memset(desc[2].data, 0, sizeof(desc[0].data));
1774         }
1775
1776         /*
1777          * In current version VF is not supported when PF is driven by DPDK
1778          * driver, just need to configure parameters for PF vport.
1779          */
1780         vf_id = HNS3_PF_FUNC_ID;
1781         hns3_update_desc_vfid(desc, vf_id, false);
1782         ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
1783         if (ret) {
1784                 if (ret == -ENOSPC)
1785                         hns3_err(hw, "mc mac vlan table is full");
1786                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1787                                       mac_addr);
1788                 hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
1789         }
1790
1791         return ret;
1792 }
1793
1794 static int
1795 hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1796 {
1797         struct hns3_mac_vlan_tbl_entry_cmd req;
1798         struct hns3_cmd_desc desc[3];
1799         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1800         uint8_t vf_id;
1801         int ret;
1802
1803         /* Check if mac addr is valid */
1804         if (!rte_is_multicast_ether_addr(mac_addr)) {
1805                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1806                                       mac_addr);
1807                 hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
1808                          mac_str);
1809                 return -EINVAL;
1810         }
1811
1812         memset(&req, 0, sizeof(req));
1813         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1814         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1815         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1816         if (ret == 0) {
1817                 /*
1818                  * This mac addr exist, remove this handle's VFID for it.
1819                  * In current version VF is not supported when PF is driven by
1820                  * DPDK driver, just need to configure parameters for PF vport.
1821                  */
1822                 vf_id = HNS3_PF_FUNC_ID;
1823                 hns3_update_desc_vfid(desc, vf_id, true);
1824
1825                 /* All the vfid is zero, so need to delete this entry */
1826                 ret = hns3_remove_mac_vlan_tbl(hw, &req);
1827         } else if (ret == -ENOENT) {
1828                 /* This mac addr doesn't exist. */
1829                 return 0;
1830         }
1831
1832         if (ret) {
1833                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1834                                       mac_addr);
1835                 hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
1836         }
1837
1838         return ret;
1839 }
1840
1841 static int
1842 hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
1843                            struct rte_ether_addr *mc_addr_set,
1844                            uint32_t nb_mc_addr)
1845 {
1846         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1847         struct rte_ether_addr *addr;
1848         uint32_t i;
1849         uint32_t j;
1850
1851         if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
1852                 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%d) "
1853                          "invalid. valid range: 0~%d",
1854                          nb_mc_addr, HNS3_MC_MACADDR_NUM);
1855                 return -EINVAL;
1856         }
1857
1858         /* Check if input mac addresses are valid */
1859         for (i = 0; i < nb_mc_addr; i++) {
1860                 addr = &mc_addr_set[i];
1861                 if (!rte_is_multicast_ether_addr(addr)) {
1862                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1863                                               addr);
1864                         hns3_err(hw,
1865                                  "failed to set mc mac addr, addr(%s) invalid.",
1866                                  mac_str);
1867                         return -EINVAL;
1868                 }
1869
1870                 /* Check if there are duplicate addresses */
1871                 for (j = i + 1; j < nb_mc_addr; j++) {
1872                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1873                                 rte_ether_format_addr(mac_str,
1874                                                       RTE_ETHER_ADDR_FMT_SIZE,
1875                                                       addr);
1876                                 hns3_err(hw, "failed to set mc mac addr, "
1877                                          "addrs invalid. two same addrs(%s).",
1878                                          mac_str);
1879                                 return -EINVAL;
1880                         }
1881                 }
1882
1883                 /*
1884                  * Check if there are duplicate addresses between mac_addrs
1885                  * and mc_addr_set
1886                  */
1887                 for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
1888                         if (rte_is_same_ether_addr(addr,
1889                                                    &hw->data->mac_addrs[j])) {
1890                                 rte_ether_format_addr(mac_str,
1891                                                       RTE_ETHER_ADDR_FMT_SIZE,
1892                                                       addr);
1893                                 hns3_err(hw, "failed to set mc mac addr, "
1894                                          "addrs invalid. addrs(%s) has already "
1895                                          "configured in mac_addr add API",
1896                                          mac_str);
1897                                 return -EINVAL;
1898                         }
1899                 }
1900         }
1901
1902         return 0;
1903 }
1904
1905 static void
1906 hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
1907                            struct rte_ether_addr *mc_addr_set,
1908                            int mc_addr_num,
1909                            struct rte_ether_addr *reserved_addr_list,
1910                            int *reserved_addr_num,
1911                            struct rte_ether_addr *add_addr_list,
1912                            int *add_addr_num,
1913                            struct rte_ether_addr *rm_addr_list,
1914                            int *rm_addr_num)
1915 {
1916         struct rte_ether_addr *addr;
1917         int current_addr_num;
1918         int reserved_num = 0;
1919         int add_num = 0;
1920         int rm_num = 0;
1921         int num;
1922         int i;
1923         int j;
1924         bool same_addr;
1925
1926         /* Calculate the mc mac address list that should be removed */
1927         current_addr_num = hw->mc_addrs_num;
1928         for (i = 0; i < current_addr_num; i++) {
1929                 addr = &hw->mc_addrs[i];
1930                 same_addr = false;
1931                 for (j = 0; j < mc_addr_num; j++) {
1932                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1933                                 same_addr = true;
1934                                 break;
1935                         }
1936                 }
1937
1938                 if (!same_addr) {
1939                         rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
1940                         rm_num++;
1941                 } else {
1942                         rte_ether_addr_copy(addr,
1943                                             &reserved_addr_list[reserved_num]);
1944                         reserved_num++;
1945                 }
1946         }
1947
1948         /* Calculate the mc mac address list that should be added */
1949         for (i = 0; i < mc_addr_num; i++) {
1950                 addr = &mc_addr_set[i];
1951                 same_addr = false;
1952                 for (j = 0; j < current_addr_num; j++) {
1953                         if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
1954                                 same_addr = true;
1955                                 break;
1956                         }
1957                 }
1958
1959                 if (!same_addr) {
1960                         rte_ether_addr_copy(addr, &add_addr_list[add_num]);
1961                         add_num++;
1962                 }
1963         }
1964
1965         /* Reorder the mc mac address list maintained by driver */
1966         for (i = 0; i < reserved_num; i++)
1967                 rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
1968
1969         for (i = 0; i < rm_num; i++) {
1970                 num = reserved_num + i;
1971                 rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
1972         }
1973
1974         *reserved_addr_num = reserved_num;
1975         *add_addr_num = add_num;
1976         *rm_addr_num = rm_num;
1977 }
1978
1979 static int
1980 hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
1981                           struct rte_ether_addr *mc_addr_set,
1982                           uint32_t nb_mc_addr)
1983 {
1984         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1985         struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
1986         struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
1987         struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
1988         struct rte_ether_addr *addr;
1989         int reserved_addr_num;
1990         int add_addr_num;
1991         int rm_addr_num;
1992         int mc_addr_num;
1993         int num;
1994         int ret;
1995         int i;
1996
1997         /* Check if input parameters are valid */
1998         ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
1999         if (ret)
2000                 return ret;
2001
2002         rte_spinlock_lock(&hw->lock);
2003
2004         /*
2005          * Calculate the mc mac address lists those should be removed and be
2006          * added, Reorder the mc mac address list maintained by driver.
2007          */
2008         mc_addr_num = (int)nb_mc_addr;
2009         hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
2010                                    reserved_addr_list, &reserved_addr_num,
2011                                    add_addr_list, &add_addr_num,
2012                                    rm_addr_list, &rm_addr_num);
2013
2014         /* Remove mc mac addresses */
2015         for (i = 0; i < rm_addr_num; i++) {
2016                 num = rm_addr_num - i - 1;
2017                 addr = &rm_addr_list[num];
2018                 ret = hns3_remove_mc_addr(hw, addr);
2019                 if (ret) {
2020                         rte_spinlock_unlock(&hw->lock);
2021                         return ret;
2022                 }
2023                 hw->mc_addrs_num--;
2024         }
2025
2026         /* Add mc mac addresses */
2027         for (i = 0; i < add_addr_num; i++) {
2028                 addr = &add_addr_list[i];
2029                 ret = hns3_add_mc_addr(hw, addr);
2030                 if (ret) {
2031                         rte_spinlock_unlock(&hw->lock);
2032                         return ret;
2033                 }
2034
2035                 num = reserved_addr_num + i;
2036                 rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
2037                 hw->mc_addrs_num++;
2038         }
2039         rte_spinlock_unlock(&hw->lock);
2040
2041         return 0;
2042 }
2043
2044 static int
2045 hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
2046 {
2047         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2048         struct hns3_hw *hw = &hns->hw;
2049         struct rte_ether_addr *addr;
2050         int err = 0;
2051         int ret;
2052         int i;
2053
2054         for (i = 0; i < hw->mc_addrs_num; i++) {
2055                 addr = &hw->mc_addrs[i];
2056                 if (!rte_is_multicast_ether_addr(addr))
2057                         continue;
2058                 if (del)
2059                         ret = hns3_remove_mc_addr(hw, addr);
2060                 else
2061                         ret = hns3_add_mc_addr(hw, addr);
2062                 if (ret) {
2063                         err = ret;
2064                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2065                                               addr);
2066                         hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
2067                                  del ? "Remove" : "Restore", mac_str, ret);
2068                 }
2069         }
2070         return err;
2071 }
2072
2073 static int
2074 hns3_check_mq_mode(struct rte_eth_dev *dev)
2075 {
2076         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
2077         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
2078         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2079         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2080         struct rte_eth_dcb_rx_conf *dcb_rx_conf;
2081         struct rte_eth_dcb_tx_conf *dcb_tx_conf;
2082         uint8_t num_tc;
2083         int max_tc = 0;
2084         int i;
2085
2086         dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
2087         dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
2088
2089         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
2090                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
2091                          "rx_mq_mode = %d", rx_mq_mode);
2092                 return -EINVAL;
2093         }
2094
2095         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
2096             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
2097                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
2098                          "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
2099                          rx_mq_mode, tx_mq_mode);
2100                 return -EINVAL;
2101         }
2102
2103         if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
2104                 if (dcb_rx_conf->nb_tcs > pf->tc_max) {
2105                         hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
2106                                  dcb_rx_conf->nb_tcs, pf->tc_max);
2107                         return -EINVAL;
2108                 }
2109
2110                 if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
2111                       dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
2112                         hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
2113                                  "nb_tcs(%d) != %d or %d in rx direction.",
2114                                  dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
2115                         return -EINVAL;
2116                 }
2117
2118                 if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
2119                         hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
2120                                  dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
2121                         return -EINVAL;
2122                 }
2123
2124                 for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
2125                         if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
2126                                 hns3_err(hw, "dcb_tc[%d] = %d in rx direction, "
2127                                          "is not equal to one in tx direction.",
2128                                          i, dcb_rx_conf->dcb_tc[i]);
2129                                 return -EINVAL;
2130                         }
2131                         if (dcb_rx_conf->dcb_tc[i] > max_tc)
2132                                 max_tc = dcb_rx_conf->dcb_tc[i];
2133                 }
2134
2135                 num_tc = max_tc + 1;
2136                 if (num_tc > dcb_rx_conf->nb_tcs) {
2137                         hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
2138                                  num_tc, dcb_rx_conf->nb_tcs);
2139                         return -EINVAL;
2140                 }
2141         }
2142
2143         return 0;
2144 }
2145
2146 static int
2147 hns3_check_dcb_cfg(struct rte_eth_dev *dev)
2148 {
2149         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2150
2151         if (!hns3_dev_dcb_supported(hw)) {
2152                 hns3_err(hw, "this port does not support dcb configurations.");
2153                 return -EOPNOTSUPP;
2154         }
2155
2156         if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
2157                 hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
2158                 return -EOPNOTSUPP;
2159         }
2160
2161         /* Check multiple queue mode */
2162         return hns3_check_mq_mode(dev);
2163 }
2164
2165 static int
2166 hns3_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, bool mmap,
2167                            enum hns3_ring_type queue_type, uint16_t queue_id)
2168 {
2169         struct hns3_cmd_desc desc;
2170         struct hns3_ctrl_vector_chain_cmd *req =
2171                 (struct hns3_ctrl_vector_chain_cmd *)desc.data;
2172         enum hns3_cmd_status status;
2173         enum hns3_opcode_type op;
2174         uint16_t tqp_type_and_id = 0;
2175         const char *op_str;
2176         uint16_t type;
2177         uint16_t gl;
2178
2179         op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
2180         hns3_cmd_setup_basic_desc(&desc, op, false);
2181         req->int_vector_id = vector_id;
2182
2183         if (queue_type == HNS3_RING_TYPE_RX)
2184                 gl = HNS3_RING_GL_RX;
2185         else
2186                 gl = HNS3_RING_GL_TX;
2187
2188         type = queue_type;
2189
2190         hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
2191                        type);
2192         hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
2193         hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
2194                        gl);
2195         req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
2196         req->int_cause_num = 1;
2197         op_str = mmap ? "Map" : "Unmap";
2198         status = hns3_cmd_send(hw, &desc, 1);
2199         if (status) {
2200                 hns3_err(hw, "%s TQP %d fail, vector_id is %d, status is %d.",
2201                          op_str, queue_id, req->int_vector_id, status);
2202                 return status;
2203         }
2204
2205         return 0;
2206 }
2207
2208 static int
2209 hns3_init_ring_with_vector(struct hns3_hw *hw)
2210 {
2211         uint8_t vec;
2212         int ret;
2213         int i;
2214
2215         /*
2216          * In hns3 network engine, vector 0 is always the misc interrupt of this
2217          * function, vector 1~N can be used respectively for the queues of the
2218          * function. Tx and Rx queues with the same number share the interrupt
2219          * vector. In the initialization clearing the all hardware mapping
2220          * relationship configurations between queues and interrupt vectors is
2221          * needed, so some error caused by the residual configurations, such as
2222          * the unexpected Tx interrupt, can be avoid. Because of the hardware
2223          * constraints in hns3 hardware engine, we have to implement clearing
2224          * the mapping relationship configurations by binding all queues to the
2225          * last interrupt vector and reserving the last interrupt vector. This
2226          * method results in a decrease of the maximum queues when upper
2227          * applications call the rte_eth_dev_configure API function to enable
2228          * Rx interrupt.
2229          */
2230         vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
2231         /* vec - 1: the last interrupt is reserved */
2232         hw->intr_tqps_num = vec > hw->tqps_num ? hw->tqps_num : vec - 1;
2233         for (i = 0; i < hw->intr_tqps_num; i++) {
2234                 /*
2235                  * Set gap limiter and rate limiter configuration of queue's
2236                  * interrupt.
2237                  */
2238                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
2239                                        HNS3_TQP_INTR_GL_DEFAULT);
2240                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
2241                                        HNS3_TQP_INTR_GL_DEFAULT);
2242                 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
2243
2244                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2245                                                  HNS3_RING_TYPE_TX, i);
2246                 if (ret) {
2247                         PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
2248                                           "vector: %d, ret=%d", i, vec, ret);
2249                         return ret;
2250                 }
2251
2252                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2253                                                  HNS3_RING_TYPE_RX, i);
2254                 if (ret) {
2255                         PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
2256                                           "vector: %d, ret=%d", i, vec, ret);
2257                         return ret;
2258                 }
2259         }
2260
2261         return 0;
2262 }
2263
2264 static int
2265 hns3_dev_configure(struct rte_eth_dev *dev)
2266 {
2267         struct hns3_adapter *hns = dev->data->dev_private;
2268         struct rte_eth_conf *conf = &dev->data->dev_conf;
2269         enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
2270         struct hns3_hw *hw = &hns->hw;
2271         struct hns3_rss_conf *rss_cfg = &hw->rss_info;
2272         uint16_t nb_rx_q = dev->data->nb_rx_queues;
2273         uint16_t nb_tx_q = dev->data->nb_tx_queues;
2274         struct rte_eth_rss_conf rss_conf;
2275         uint16_t mtu;
2276         int ret;
2277
2278         /*
2279          * Hardware does not support individually enable/disable/reset the Tx or
2280          * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx
2281          * and Rx queues at the same time. When the numbers of Tx queues
2282          * allocated by upper applications are not equal to the numbers of Rx
2283          * queues, driver needs to setup fake Tx or Rx queues to adjust numbers
2284          * of Tx/Rx queues. otherwise, network engine can not work as usual. But
2285          * these fake queues are imperceptible, and can not be used by upper
2286          * applications.
2287          */
2288         ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2289         if (ret) {
2290                 hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret);
2291                 return ret;
2292         }
2293
2294         hw->adapter_state = HNS3_NIC_CONFIGURING;
2295         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2296                 hns3_err(hw, "setting link speed/duplex not supported");
2297                 ret = -EINVAL;
2298                 goto cfg_err;
2299         }
2300
2301         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2302                 ret = hns3_check_dcb_cfg(dev);
2303                 if (ret)
2304                         goto cfg_err;
2305         }
2306
2307         /* When RSS is not configured, redirect the packet queue 0 */
2308         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2309                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2310                 rss_conf = conf->rx_adv_conf.rss_conf;
2311                 if (rss_conf.rss_key == NULL) {
2312                         rss_conf.rss_key = rss_cfg->key;
2313                         rss_conf.rss_key_len = HNS3_RSS_KEY_SIZE;
2314                 }
2315
2316                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2317                 if (ret)
2318                         goto cfg_err;
2319         }
2320
2321         /*
2322          * If jumbo frames are enabled, MTU needs to be refreshed
2323          * according to the maximum RX packet length.
2324          */
2325         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2326                 /*
2327                  * Security of max_rx_pkt_len is guaranteed in dpdk frame.
2328                  * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
2329                  * can safely assign to "uint16_t" type variable.
2330                  */
2331                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
2332                 ret = hns3_dev_mtu_set(dev, mtu);
2333                 if (ret)
2334                         goto cfg_err;
2335                 dev->data->mtu = mtu;
2336         }
2337
2338         ret = hns3_dev_configure_vlan(dev);
2339         if (ret)
2340                 goto cfg_err;
2341
2342         hw->adapter_state = HNS3_NIC_CONFIGURED;
2343
2344         return 0;
2345
2346 cfg_err:
2347         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2348         hw->adapter_state = HNS3_NIC_INITIALIZED;
2349
2350         return ret;
2351 }
2352
2353 static int
2354 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2355 {
2356         struct hns3_config_max_frm_size_cmd *req;
2357         struct hns3_cmd_desc desc;
2358
2359         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2360
2361         req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2362         req->max_frm_size = rte_cpu_to_le_16(new_mps);
2363         req->min_frm_size = RTE_ETHER_MIN_LEN;
2364
2365         return hns3_cmd_send(hw, &desc, 1);
2366 }
2367
2368 static int
2369 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2370 {
2371         int ret;
2372
2373         ret = hns3_set_mac_mtu(hw, mps);
2374         if (ret) {
2375                 hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2376                 return ret;
2377         }
2378
2379         ret = hns3_buffer_alloc(hw);
2380         if (ret)
2381                 hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2382
2383         return ret;
2384 }
2385
2386 static int
2387 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2388 {
2389         struct hns3_adapter *hns = dev->data->dev_private;
2390         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2391         struct hns3_hw *hw = &hns->hw;
2392         bool is_jumbo_frame;
2393         int ret;
2394
2395         if (dev->data->dev_started) {
2396                 hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2397                          "before configuration", dev->data->port_id);
2398                 return -EBUSY;
2399         }
2400
2401         rte_spinlock_lock(&hw->lock);
2402         is_jumbo_frame = frame_size > RTE_ETHER_MAX_LEN ? true : false;
2403         frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2404
2405         /*
2406          * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2407          * assign to "uint16_t" type variable.
2408          */
2409         ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2410         if (ret) {
2411                 rte_spinlock_unlock(&hw->lock);
2412                 hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2413                          dev->data->port_id, mtu, ret);
2414                 return ret;
2415         }
2416         hns->pf.mps = (uint16_t)frame_size;
2417         if (is_jumbo_frame)
2418                 dev->data->dev_conf.rxmode.offloads |=
2419                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
2420         else
2421                 dev->data->dev_conf.rxmode.offloads &=
2422                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2423         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2424         rte_spinlock_unlock(&hw->lock);
2425
2426         return 0;
2427 }
2428
2429 static int
2430 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2431 {
2432         struct hns3_adapter *hns = eth_dev->data->dev_private;
2433         struct hns3_hw *hw = &hns->hw;
2434         uint16_t queue_num = hw->tqps_num;
2435
2436         /*
2437          * In interrupt mode, 'max_rx_queues' is set based on the number of
2438          * MSI-X interrupt resources of the hardware.
2439          */
2440         if (hw->data->dev_conf.intr_conf.rxq == 1)
2441                 queue_num = hw->intr_tqps_num;
2442
2443         info->max_rx_queues = queue_num;
2444         info->max_tx_queues = hw->tqps_num;
2445         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2446         info->min_rx_bufsize = hw->rx_buf_len;
2447         info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2448         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2449         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2450                                  DEV_RX_OFFLOAD_TCP_CKSUM |
2451                                  DEV_RX_OFFLOAD_UDP_CKSUM |
2452                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
2453                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2454                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2455                                  DEV_RX_OFFLOAD_KEEP_CRC |
2456                                  DEV_RX_OFFLOAD_SCATTER |
2457                                  DEV_RX_OFFLOAD_VLAN_STRIP |
2458                                  DEV_RX_OFFLOAD_VLAN_FILTER |
2459                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
2460                                  DEV_RX_OFFLOAD_RSS_HASH);
2461         info->tx_queue_offload_capa = DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2462         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2463                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
2464                                  DEV_TX_OFFLOAD_TCP_CKSUM |
2465                                  DEV_TX_OFFLOAD_UDP_CKSUM |
2466                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
2467                                  DEV_TX_OFFLOAD_VLAN_INSERT |
2468                                  DEV_TX_OFFLOAD_QINQ_INSERT |
2469                                  DEV_TX_OFFLOAD_MULTI_SEGS |
2470                                  DEV_TX_OFFLOAD_TCP_TSO |
2471                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2472                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
2473                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2474                                  info->tx_queue_offload_capa);
2475
2476         info->rx_desc_lim = (struct rte_eth_desc_lim) {
2477                 .nb_max = HNS3_MAX_RING_DESC,
2478                 .nb_min = HNS3_MIN_RING_DESC,
2479                 .nb_align = HNS3_ALIGN_RING_DESC,
2480         };
2481
2482         info->tx_desc_lim = (struct rte_eth_desc_lim) {
2483                 .nb_max = HNS3_MAX_RING_DESC,
2484                 .nb_min = HNS3_MIN_RING_DESC,
2485                 .nb_align = HNS3_ALIGN_RING_DESC,
2486         };
2487
2488         info->vmdq_queue_num = 0;
2489
2490         info->reta_size = HNS3_RSS_IND_TBL_SIZE;
2491         info->hash_key_size = HNS3_RSS_KEY_SIZE;
2492         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2493
2494         info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2495         info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2496         info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2497         info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2498         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2499         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2500
2501         return 0;
2502 }
2503
2504 static int
2505 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2506                     size_t fw_size)
2507 {
2508         struct hns3_adapter *hns = eth_dev->data->dev_private;
2509         struct hns3_hw *hw = &hns->hw;
2510         uint32_t version = hw->fw_version;
2511         int ret;
2512
2513         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2514                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2515                                       HNS3_FW_VERSION_BYTE3_S),
2516                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2517                                       HNS3_FW_VERSION_BYTE2_S),
2518                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2519                                       HNS3_FW_VERSION_BYTE1_S),
2520                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2521                                       HNS3_FW_VERSION_BYTE0_S));
2522         ret += 1; /* add the size of '\0' */
2523         if (fw_size < (uint32_t)ret)
2524                 return ret;
2525         else
2526                 return 0;
2527 }
2528
2529 static int
2530 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2531                      __rte_unused int wait_to_complete)
2532 {
2533         struct hns3_adapter *hns = eth_dev->data->dev_private;
2534         struct hns3_hw *hw = &hns->hw;
2535         struct hns3_mac *mac = &hw->mac;
2536         struct rte_eth_link new_link;
2537
2538         if (!hns3_is_reset_pending(hns)) {
2539                 hns3_update_speed_duplex(eth_dev);
2540                 hns3_update_link_status(hw);
2541         }
2542
2543         memset(&new_link, 0, sizeof(new_link));
2544         switch (mac->link_speed) {
2545         case ETH_SPEED_NUM_10M:
2546         case ETH_SPEED_NUM_100M:
2547         case ETH_SPEED_NUM_1G:
2548         case ETH_SPEED_NUM_10G:
2549         case ETH_SPEED_NUM_25G:
2550         case ETH_SPEED_NUM_40G:
2551         case ETH_SPEED_NUM_50G:
2552         case ETH_SPEED_NUM_100G:
2553                 new_link.link_speed = mac->link_speed;
2554                 break;
2555         default:
2556                 new_link.link_speed = ETH_SPEED_NUM_100M;
2557                 break;
2558         }
2559
2560         new_link.link_duplex = mac->link_duplex;
2561         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2562         new_link.link_autoneg =
2563             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2564
2565         return rte_eth_linkstatus_set(eth_dev, &new_link);
2566 }
2567
2568 static int
2569 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2570 {
2571         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2572         struct hns3_pf *pf = &hns->pf;
2573
2574         if (!(status->pf_state & HNS3_PF_STATE_DONE))
2575                 return -EINVAL;
2576
2577         pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2578
2579         return 0;
2580 }
2581
2582 static int
2583 hns3_query_function_status(struct hns3_hw *hw)
2584 {
2585 #define HNS3_QUERY_MAX_CNT              10
2586 #define HNS3_QUERY_SLEEP_MSCOEND        1
2587         struct hns3_func_status_cmd *req;
2588         struct hns3_cmd_desc desc;
2589         int timeout = 0;
2590         int ret;
2591
2592         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2593         req = (struct hns3_func_status_cmd *)desc.data;
2594
2595         do {
2596                 ret = hns3_cmd_send(hw, &desc, 1);
2597                 if (ret) {
2598                         PMD_INIT_LOG(ERR, "query function status failed %d",
2599                                      ret);
2600                         return ret;
2601                 }
2602
2603                 /* Check pf reset is done */
2604                 if (req->pf_state)
2605                         break;
2606
2607                 rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2608         } while (timeout++ < HNS3_QUERY_MAX_CNT);
2609
2610         return hns3_parse_func_status(hw, req);
2611 }
2612
2613 static int
2614 hns3_query_pf_resource(struct hns3_hw *hw)
2615 {
2616         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2617         struct hns3_pf *pf = &hns->pf;
2618         struct hns3_pf_res_cmd *req;
2619         struct hns3_cmd_desc desc;
2620         int ret;
2621
2622         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2623         ret = hns3_cmd_send(hw, &desc, 1);
2624         if (ret) {
2625                 PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2626                 return ret;
2627         }
2628
2629         req = (struct hns3_pf_res_cmd *)desc.data;
2630         hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num);
2631         pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2632         hw->tqps_num = RTE_MIN(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2633         pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2634
2635         if (req->tx_buf_size)
2636                 pf->tx_buf_size =
2637                     rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2638         else
2639                 pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2640
2641         pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2642
2643         if (req->dv_buf_size)
2644                 pf->dv_buf_size =
2645                     rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2646         else
2647                 pf->dv_buf_size = HNS3_DEFAULT_DV;
2648
2649         pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2650
2651         hw->num_msi =
2652             hns3_get_field(rte_le_to_cpu_16(req->pf_intr_vector_number),
2653                            HNS3_VEC_NUM_M, HNS3_VEC_NUM_S);
2654
2655         return 0;
2656 }
2657
2658 static void
2659 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2660 {
2661         struct hns3_cfg_param_cmd *req;
2662         uint64_t mac_addr_tmp_high;
2663         uint64_t mac_addr_tmp;
2664         uint32_t i;
2665
2666         req = (struct hns3_cfg_param_cmd *)desc[0].data;
2667
2668         /* get the configuration */
2669         cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2670                                              HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2671         cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2672                                      HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2673         cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2674                                            HNS3_CFG_TQP_DESC_N_M,
2675                                            HNS3_CFG_TQP_DESC_N_S);
2676
2677         cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2678                                        HNS3_CFG_PHY_ADDR_M,
2679                                        HNS3_CFG_PHY_ADDR_S);
2680         cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2681                                          HNS3_CFG_MEDIA_TP_M,
2682                                          HNS3_CFG_MEDIA_TP_S);
2683         cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2684                                          HNS3_CFG_RX_BUF_LEN_M,
2685                                          HNS3_CFG_RX_BUF_LEN_S);
2686         /* get mac address */
2687         mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2688         mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2689                                            HNS3_CFG_MAC_ADDR_H_M,
2690                                            HNS3_CFG_MAC_ADDR_H_S);
2691
2692         mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2693
2694         cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2695                                             HNS3_CFG_DEFAULT_SPEED_M,
2696                                             HNS3_CFG_DEFAULT_SPEED_S);
2697         cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2698                                            HNS3_CFG_RSS_SIZE_M,
2699                                            HNS3_CFG_RSS_SIZE_S);
2700
2701         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2702                 cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2703
2704         req = (struct hns3_cfg_param_cmd *)desc[1].data;
2705         cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2706
2707         cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2708                                             HNS3_CFG_SPEED_ABILITY_M,
2709                                             HNS3_CFG_SPEED_ABILITY_S);
2710         cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2711                                         HNS3_CFG_UMV_TBL_SPACE_M,
2712                                         HNS3_CFG_UMV_TBL_SPACE_S);
2713         if (!cfg->umv_space)
2714                 cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2715 }
2716
2717 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2718  * @hw: pointer to struct hns3_hw
2719  * @hcfg: the config structure to be getted
2720  */
2721 static int
2722 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2723 {
2724         struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2725         struct hns3_cfg_param_cmd *req;
2726         uint32_t offset;
2727         uint32_t i;
2728         int ret;
2729
2730         for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2731                 offset = 0;
2732                 req = (struct hns3_cfg_param_cmd *)desc[i].data;
2733                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2734                                           true);
2735                 hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2736                                i * HNS3_CFG_RD_LEN_BYTES);
2737                 /* Len should be divided by 4 when send to hardware */
2738                 hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2739                                HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2740                 req->offset = rte_cpu_to_le_32(offset);
2741         }
2742
2743         ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2744         if (ret) {
2745                 PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2746                 return ret;
2747         }
2748
2749         hns3_parse_cfg(hcfg, desc);
2750
2751         return 0;
2752 }
2753
2754 static int
2755 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2756 {
2757         switch (speed_cmd) {
2758         case HNS3_CFG_SPEED_10M:
2759                 *speed = ETH_SPEED_NUM_10M;
2760                 break;
2761         case HNS3_CFG_SPEED_100M:
2762                 *speed = ETH_SPEED_NUM_100M;
2763                 break;
2764         case HNS3_CFG_SPEED_1G:
2765                 *speed = ETH_SPEED_NUM_1G;
2766                 break;
2767         case HNS3_CFG_SPEED_10G:
2768                 *speed = ETH_SPEED_NUM_10G;
2769                 break;
2770         case HNS3_CFG_SPEED_25G:
2771                 *speed = ETH_SPEED_NUM_25G;
2772                 break;
2773         case HNS3_CFG_SPEED_40G:
2774                 *speed = ETH_SPEED_NUM_40G;
2775                 break;
2776         case HNS3_CFG_SPEED_50G:
2777                 *speed = ETH_SPEED_NUM_50G;
2778                 break;
2779         case HNS3_CFG_SPEED_100G:
2780                 *speed = ETH_SPEED_NUM_100G;
2781                 break;
2782         default:
2783                 return -EINVAL;
2784         }
2785
2786         return 0;
2787 }
2788
2789 static int
2790 hns3_get_board_configuration(struct hns3_hw *hw)
2791 {
2792         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2793         struct hns3_pf *pf = &hns->pf;
2794         struct hns3_cfg cfg;
2795         int ret;
2796
2797         ret = hns3_get_board_cfg(hw, &cfg);
2798         if (ret) {
2799                 PMD_INIT_LOG(ERR, "get board config failed %d", ret);
2800                 return ret;
2801         }
2802
2803         if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER) {
2804                 PMD_INIT_LOG(ERR, "media type is copper, not supported.");
2805                 return -EOPNOTSUPP;
2806         }
2807
2808         hw->mac.media_type = cfg.media_type;
2809         hw->rss_size_max = cfg.rss_size_max;
2810         hw->rss_dis_flag = false;
2811         hw->rx_buf_len = cfg.rx_buf_len;
2812         memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
2813         hw->mac.phy_addr = cfg.phy_addr;
2814         hw->mac.default_addr_setted = false;
2815         hw->num_tx_desc = cfg.tqp_desc_num;
2816         hw->num_rx_desc = cfg.tqp_desc_num;
2817         hw->dcb_info.num_pg = 1;
2818         hw->dcb_info.hw_pfc_map = 0;
2819
2820         ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
2821         if (ret) {
2822                 PMD_INIT_LOG(ERR, "Get wrong speed %d, ret = %d",
2823                              cfg.default_speed, ret);
2824                 return ret;
2825         }
2826
2827         pf->tc_max = cfg.tc_num;
2828         if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
2829                 PMD_INIT_LOG(WARNING,
2830                              "Get TC num(%u) from flash, set TC num to 1",
2831                              pf->tc_max);
2832                 pf->tc_max = 1;
2833         }
2834
2835         /* Dev does not support DCB */
2836         if (!hns3_dev_dcb_supported(hw)) {
2837                 pf->tc_max = 1;
2838                 pf->pfc_max = 0;
2839         } else
2840                 pf->pfc_max = pf->tc_max;
2841
2842         hw->dcb_info.num_tc = 1;
2843         hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
2844                                      hw->tqps_num / hw->dcb_info.num_tc);
2845         hns3_set_bit(hw->hw_tc_map, 0, 1);
2846         pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
2847
2848         pf->wanted_umv_size = cfg.umv_space;
2849
2850         return ret;
2851 }
2852
2853 static int
2854 hns3_get_configuration(struct hns3_hw *hw)
2855 {
2856         int ret;
2857
2858         ret = hns3_query_function_status(hw);
2859         if (ret) {
2860                 PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
2861                 return ret;
2862         }
2863
2864         /* Get pf resource */
2865         ret = hns3_query_pf_resource(hw);
2866         if (ret) {
2867                 PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
2868                 return ret;
2869         }
2870
2871         ret = hns3_get_board_configuration(hw);
2872         if (ret)
2873                 PMD_INIT_LOG(ERR, "Failed to get board configuration: %d", ret);
2874
2875         return ret;
2876 }
2877
2878 static int
2879 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
2880                       uint16_t tqp_vid, bool is_pf)
2881 {
2882         struct hns3_tqp_map_cmd *req;
2883         struct hns3_cmd_desc desc;
2884         int ret;
2885
2886         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
2887
2888         req = (struct hns3_tqp_map_cmd *)desc.data;
2889         req->tqp_id = rte_cpu_to_le_16(tqp_pid);
2890         req->tqp_vf = func_id;
2891         req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
2892         if (!is_pf)
2893                 req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
2894         req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
2895
2896         ret = hns3_cmd_send(hw, &desc, 1);
2897         if (ret)
2898                 PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
2899
2900         return ret;
2901 }
2902
2903 static int
2904 hns3_map_tqp(struct hns3_hw *hw)
2905 {
2906         uint16_t tqps_num = hw->total_tqps_num;
2907         uint16_t func_id;
2908         uint16_t tqp_id;
2909         bool is_pf;
2910         int num;
2911         int ret;
2912         int i;
2913
2914         /*
2915          * In current version VF is not supported when PF is driven by DPDK
2916          * driver, so we allocate tqps to PF as much as possible.
2917          */
2918         tqp_id = 0;
2919         num = DIV_ROUND_UP(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2920         for (func_id = HNS3_PF_FUNC_ID; func_id < num; func_id++) {
2921                 is_pf = func_id == HNS3_PF_FUNC_ID ? true : false;
2922                 for (i = 0;
2923                      i < HNS3_MAX_TQP_NUM_PER_FUNC && tqp_id < tqps_num; i++) {
2924                         ret = hns3_map_tqps_to_func(hw, func_id, tqp_id++, i,
2925                                                     is_pf);
2926                         if (ret)
2927                                 return ret;
2928                 }
2929         }
2930
2931         return 0;
2932 }
2933
2934 static int
2935 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
2936 {
2937         struct hns3_config_mac_speed_dup_cmd *req;
2938         struct hns3_cmd_desc desc;
2939         int ret;
2940
2941         req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
2942
2943         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
2944
2945         hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
2946
2947         switch (speed) {
2948         case ETH_SPEED_NUM_10M:
2949                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2950                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
2951                 break;
2952         case ETH_SPEED_NUM_100M:
2953                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2954                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
2955                 break;
2956         case ETH_SPEED_NUM_1G:
2957                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2958                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
2959                 break;
2960         case ETH_SPEED_NUM_10G:
2961                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2962                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
2963                 break;
2964         case ETH_SPEED_NUM_25G:
2965                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2966                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
2967                 break;
2968         case ETH_SPEED_NUM_40G:
2969                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2970                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
2971                 break;
2972         case ETH_SPEED_NUM_50G:
2973                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2974                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
2975                 break;
2976         case ETH_SPEED_NUM_100G:
2977                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
2978                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
2979                 break;
2980         default:
2981                 PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
2982                 return -EINVAL;
2983         }
2984
2985         hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
2986
2987         ret = hns3_cmd_send(hw, &desc, 1);
2988         if (ret)
2989                 PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
2990
2991         return ret;
2992 }
2993
2994 static int
2995 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
2996 {
2997         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2998         struct hns3_pf *pf = &hns->pf;
2999         struct hns3_priv_buf *priv;
3000         uint32_t i, total_size;
3001
3002         total_size = pf->pkt_buf_size;
3003
3004         /* alloc tx buffer for all enabled tc */
3005         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3006                 priv = &buf_alloc->priv_buf[i];
3007
3008                 if (hw->hw_tc_map & BIT(i)) {
3009                         if (total_size < pf->tx_buf_size)
3010                                 return -ENOMEM;
3011
3012                         priv->tx_buf_size = pf->tx_buf_size;
3013                 } else
3014                         priv->tx_buf_size = 0;
3015
3016                 total_size -= priv->tx_buf_size;
3017         }
3018
3019         return 0;
3020 }
3021
3022 static int
3023 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3024 {
3025 /* TX buffer size is unit by 128 byte */
3026 #define HNS3_BUF_SIZE_UNIT_SHIFT        7
3027 #define HNS3_BUF_SIZE_UPDATE_EN_MSK     BIT(15)
3028         struct hns3_tx_buff_alloc_cmd *req;
3029         struct hns3_cmd_desc desc;
3030         uint32_t buf_size;
3031         uint32_t i;
3032         int ret;
3033
3034         req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3035
3036         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3037         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3038                 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3039
3040                 buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3041                 req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3042                                                 HNS3_BUF_SIZE_UPDATE_EN_MSK);
3043         }
3044
3045         ret = hns3_cmd_send(hw, &desc, 1);
3046         if (ret)
3047                 PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3048
3049         return ret;
3050 }
3051
3052 static int
3053 hns3_get_tc_num(struct hns3_hw *hw)
3054 {
3055         int cnt = 0;
3056         uint8_t i;
3057
3058         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3059                 if (hw->hw_tc_map & BIT(i))
3060                         cnt++;
3061         return cnt;
3062 }
3063
3064 static uint32_t
3065 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3066 {
3067         struct hns3_priv_buf *priv;
3068         uint32_t rx_priv = 0;
3069         int i;
3070
3071         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3072                 priv = &buf_alloc->priv_buf[i];
3073                 if (priv->enable)
3074                         rx_priv += priv->buf_size;
3075         }
3076         return rx_priv;
3077 }
3078
3079 static uint32_t
3080 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3081 {
3082         uint32_t total_tx_size = 0;
3083         uint32_t i;
3084
3085         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3086                 total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3087
3088         return total_tx_size;
3089 }
3090
3091 /* Get the number of pfc enabled TCs, which have private buffer */
3092 static int
3093 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3094 {
3095         struct hns3_priv_buf *priv;
3096         int cnt = 0;
3097         uint8_t i;
3098
3099         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3100                 priv = &buf_alloc->priv_buf[i];
3101                 if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3102                         cnt++;
3103         }
3104
3105         return cnt;
3106 }
3107
3108 /* Get the number of pfc disabled TCs, which have private buffer */
3109 static int
3110 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3111                          struct hns3_pkt_buf_alloc *buf_alloc)
3112 {
3113         struct hns3_priv_buf *priv;
3114         int cnt = 0;
3115         uint8_t i;
3116
3117         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3118                 priv = &buf_alloc->priv_buf[i];
3119                 if (hw->hw_tc_map & BIT(i) &&
3120                     !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3121                         cnt++;
3122         }
3123
3124         return cnt;
3125 }
3126
3127 static bool
3128 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3129                   uint32_t rx_all)
3130 {
3131         uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3132         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3133         struct hns3_pf *pf = &hns->pf;
3134         uint32_t shared_buf, aligned_mps;
3135         uint32_t rx_priv;
3136         uint8_t tc_num;
3137         uint8_t i;
3138
3139         tc_num = hns3_get_tc_num(hw);
3140         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3141
3142         if (hns3_dev_dcb_supported(hw))
3143                 shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3144                                         pf->dv_buf_size;
3145         else
3146                 shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3147                                         + pf->dv_buf_size;
3148
3149         shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3150         shared_std = roundup(max_t(uint32_t, shared_buf_min, shared_buf_tc),
3151                              HNS3_BUF_SIZE_UNIT);
3152
3153         rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3154         if (rx_all < rx_priv + shared_std)
3155                 return false;
3156
3157         shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3158         buf_alloc->s_buf.buf_size = shared_buf;
3159         if (hns3_dev_dcb_supported(hw)) {
3160                 buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3161                 buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3162                         - roundup(aligned_mps / HNS3_BUF_DIV_BY,
3163                                   HNS3_BUF_SIZE_UNIT);
3164         } else {
3165                 buf_alloc->s_buf.self.high =
3166                         aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3167                 buf_alloc->s_buf.self.low = aligned_mps;
3168         }
3169
3170         if (hns3_dev_dcb_supported(hw)) {
3171                 hi_thrd = shared_buf - pf->dv_buf_size;
3172
3173                 if (tc_num <= NEED_RESERVE_TC_NUM)
3174                         hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
3175                                         / BUF_MAX_PERCENT;
3176
3177                 if (tc_num)
3178                         hi_thrd = hi_thrd / tc_num;
3179
3180                 hi_thrd = max_t(uint32_t, hi_thrd,
3181                                 HNS3_BUF_MUL_BY * aligned_mps);
3182                 hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3183                 lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3184         } else {
3185                 hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3186                 lo_thrd = aligned_mps;
3187         }
3188
3189         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3190                 buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3191                 buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3192         }
3193
3194         return true;
3195 }
3196
3197 static bool
3198 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3199                      struct hns3_pkt_buf_alloc *buf_alloc)
3200 {
3201         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3202         struct hns3_pf *pf = &hns->pf;
3203         struct hns3_priv_buf *priv;
3204         uint32_t aligned_mps;
3205         uint32_t rx_all;
3206         uint8_t i;
3207
3208         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3209         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3210
3211         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3212                 priv = &buf_alloc->priv_buf[i];
3213
3214                 priv->enable = 0;
3215                 priv->wl.low = 0;
3216                 priv->wl.high = 0;
3217                 priv->buf_size = 0;
3218
3219                 if (!(hw->hw_tc_map & BIT(i)))
3220                         continue;
3221
3222                 priv->enable = 1;
3223                 if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3224                         priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3225                         priv->wl.high = roundup(priv->wl.low + aligned_mps,
3226                                                 HNS3_BUF_SIZE_UNIT);
3227                 } else {
3228                         priv->wl.low = 0;
3229                         priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3230                                         aligned_mps;
3231                 }
3232
3233                 priv->buf_size = priv->wl.high + pf->dv_buf_size;
3234         }
3235
3236         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3237 }
3238
3239 static bool
3240 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3241                              struct hns3_pkt_buf_alloc *buf_alloc)
3242 {
3243         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3244         struct hns3_pf *pf = &hns->pf;
3245         struct hns3_priv_buf *priv;
3246         int no_pfc_priv_num;
3247         uint32_t rx_all;
3248         uint8_t mask;
3249         int i;
3250
3251         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3252         no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3253
3254         /* let the last to be cleared first */
3255         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3256                 priv = &buf_alloc->priv_buf[i];
3257                 mask = BIT((uint8_t)i);
3258
3259                 if (hw->hw_tc_map & mask &&
3260                     !(hw->dcb_info.hw_pfc_map & mask)) {
3261                         /* Clear the no pfc TC private buffer */
3262                         priv->wl.low = 0;
3263                         priv->wl.high = 0;
3264                         priv->buf_size = 0;
3265                         priv->enable = 0;
3266                         no_pfc_priv_num--;
3267                 }
3268
3269                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3270                     no_pfc_priv_num == 0)
3271                         break;
3272         }
3273
3274         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3275 }
3276
3277 static bool
3278 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3279                            struct hns3_pkt_buf_alloc *buf_alloc)
3280 {
3281         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3282         struct hns3_pf *pf = &hns->pf;
3283         struct hns3_priv_buf *priv;
3284         uint32_t rx_all;
3285         int pfc_priv_num;
3286         uint8_t mask;
3287         int i;
3288
3289         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3290         pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3291
3292         /* let the last to be cleared first */
3293         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3294                 priv = &buf_alloc->priv_buf[i];
3295                 mask = BIT((uint8_t)i);
3296
3297                 if (hw->hw_tc_map & mask &&
3298                     hw->dcb_info.hw_pfc_map & mask) {
3299                         /* Reduce the number of pfc TC with private buffer */
3300                         priv->wl.low = 0;
3301                         priv->enable = 0;
3302                         priv->wl.high = 0;
3303                         priv->buf_size = 0;
3304                         pfc_priv_num--;
3305                 }
3306                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3307                     pfc_priv_num == 0)
3308                         break;
3309         }
3310
3311         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3312 }
3313
3314 static bool
3315 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3316                           struct hns3_pkt_buf_alloc *buf_alloc)
3317 {
3318 #define COMPENSATE_BUFFER       0x3C00
3319 #define COMPENSATE_HALF_MPS_NUM 5
3320 #define PRIV_WL_GAP             0x1800
3321         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3322         struct hns3_pf *pf = &hns->pf;
3323         uint32_t tc_num = hns3_get_tc_num(hw);
3324         uint32_t half_mps = pf->mps >> 1;
3325         struct hns3_priv_buf *priv;
3326         uint32_t min_rx_priv;
3327         uint32_t rx_priv;
3328         uint8_t i;
3329
3330         rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3331         if (tc_num)
3332                 rx_priv = rx_priv / tc_num;
3333
3334         if (tc_num <= NEED_RESERVE_TC_NUM)
3335                 rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3336
3337         /*
3338          * Minimum value of private buffer in rx direction (min_rx_priv) is
3339          * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3340          * buffer if rx_priv is greater than min_rx_priv.
3341          */
3342         min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3343                         COMPENSATE_HALF_MPS_NUM * half_mps;
3344         min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3345         rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3346
3347         if (rx_priv < min_rx_priv)
3348                 return false;
3349
3350         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3351                 priv = &buf_alloc->priv_buf[i];
3352
3353                 priv->enable = 0;
3354                 priv->wl.low = 0;
3355                 priv->wl.high = 0;
3356                 priv->buf_size = 0;
3357
3358                 if (!(hw->hw_tc_map & BIT(i)))
3359                         continue;
3360
3361                 priv->enable = 1;
3362                 priv->buf_size = rx_priv;
3363                 priv->wl.high = rx_priv - pf->dv_buf_size;
3364                 priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3365         }
3366
3367         buf_alloc->s_buf.buf_size = 0;
3368
3369         return true;
3370 }
3371
3372 /*
3373  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3374  * @hw: pointer to struct hns3_hw
3375  * @buf_alloc: pointer to buffer calculation data
3376  * @return: 0: calculate sucessful, negative: fail
3377  */
3378 static int
3379 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3380 {
3381         /* When DCB is not supported, rx private buffer is not allocated. */
3382         if (!hns3_dev_dcb_supported(hw)) {
3383                 struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3384                 struct hns3_pf *pf = &hns->pf;
3385                 uint32_t rx_all = pf->pkt_buf_size;
3386
3387                 rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3388                 if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3389                         return -ENOMEM;
3390
3391                 return 0;
3392         }
3393
3394         /*
3395          * Try to allocate privated packet buffer for all TCs without share
3396          * buffer.
3397          */
3398         if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3399                 return 0;
3400
3401         /*
3402          * Try to allocate privated packet buffer for all TCs with share
3403          * buffer.
3404          */
3405         if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3406                 return 0;
3407
3408         /*
3409          * For different application scenes, the enabled port number, TC number
3410          * and no_drop TC number are different. In order to obtain the better
3411          * performance, software could allocate the buffer size and configure
3412          * the waterline by tring to decrease the private buffer size according
3413          * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3414          * enabled tc.
3415          */
3416         if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3417                 return 0;
3418
3419         if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3420                 return 0;
3421
3422         if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3423                 return 0;
3424
3425         return -ENOMEM;
3426 }
3427
3428 static int
3429 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3430 {
3431         struct hns3_rx_priv_buff_cmd *req;
3432         struct hns3_cmd_desc desc;
3433         uint32_t buf_size;
3434         int ret;
3435         int i;
3436
3437         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3438         req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3439
3440         /* Alloc private buffer TCs */
3441         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3442                 struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3443
3444                 req->buf_num[i] =
3445                         rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3446                 req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3447         }
3448
3449         buf_size = buf_alloc->s_buf.buf_size;
3450         req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3451                                            (1 << HNS3_TC0_PRI_BUF_EN_B));
3452
3453         ret = hns3_cmd_send(hw, &desc, 1);
3454         if (ret)
3455                 PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3456
3457         return ret;
3458 }
3459
3460 static int
3461 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3462 {
3463 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3464         struct hns3_rx_priv_wl_buf *req;
3465         struct hns3_priv_buf *priv;
3466         struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3467         int i, j;
3468         int ret;
3469
3470         for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3471                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3472                                           false);
3473                 req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3474
3475                 /* The first descriptor set the NEXT bit to 1 */
3476                 if (i == 0)
3477                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3478                 else
3479                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3480
3481                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3482                         uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3483
3484                         priv = &buf_alloc->priv_buf[idx];
3485                         req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3486                                                         HNS3_BUF_UNIT_S);
3487                         req->tc_wl[j].high |=
3488                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3489                         req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3490                                                         HNS3_BUF_UNIT_S);
3491                         req->tc_wl[j].low |=
3492                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3493                 }
3494         }
3495
3496         /* Send 2 descriptor at one time */
3497         ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3498         if (ret)
3499                 PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3500                              ret);
3501         return ret;
3502 }
3503
3504 static int
3505 hns3_common_thrd_config(struct hns3_hw *hw,
3506                         struct hns3_pkt_buf_alloc *buf_alloc)
3507 {
3508 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3509         struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3510         struct hns3_rx_com_thrd *req;
3511         struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3512         struct hns3_tc_thrd *tc;
3513         int tc_idx;
3514         int i, j;
3515         int ret;
3516
3517         for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3518                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3519                                           false);
3520                 req = (struct hns3_rx_com_thrd *)&desc[i].data;
3521
3522                 /* The first descriptor set the NEXT bit to 1 */
3523                 if (i == 0)
3524                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3525                 else
3526                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3527
3528                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3529                         tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3530                         tc = &s_buf->tc_thrd[tc_idx];
3531
3532                         req->com_thrd[j].high =
3533                                 rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3534                         req->com_thrd[j].high |=
3535                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3536                         req->com_thrd[j].low =
3537                                 rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3538                         req->com_thrd[j].low |=
3539                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3540                 }
3541         }
3542
3543         /* Send 2 descriptors at one time */
3544         ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3545         if (ret)
3546                 PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3547
3548         return ret;
3549 }
3550
3551 static int
3552 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3553 {
3554         struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3555         struct hns3_rx_com_wl *req;
3556         struct hns3_cmd_desc desc;
3557         int ret;
3558
3559         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3560
3561         req = (struct hns3_rx_com_wl *)desc.data;
3562         req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3563         req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3564
3565         req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3566         req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3567
3568         ret = hns3_cmd_send(hw, &desc, 1);
3569         if (ret)
3570                 PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3571
3572         return ret;
3573 }
3574
3575 int
3576 hns3_buffer_alloc(struct hns3_hw *hw)
3577 {
3578         struct hns3_pkt_buf_alloc pkt_buf;
3579         int ret;
3580
3581         memset(&pkt_buf, 0, sizeof(pkt_buf));
3582         ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3583         if (ret) {
3584                 PMD_INIT_LOG(ERR,
3585                              "could not calc tx buffer size for all TCs %d",
3586                              ret);
3587                 return ret;
3588         }
3589
3590         ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3591         if (ret) {
3592                 PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3593                 return ret;
3594         }
3595
3596         ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3597         if (ret) {
3598                 PMD_INIT_LOG(ERR,
3599                              "could not calc rx priv buffer size for all TCs %d",
3600                              ret);
3601                 return ret;
3602         }
3603
3604         ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3605         if (ret) {
3606                 PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3607                 return ret;
3608         }
3609
3610         if (hns3_dev_dcb_supported(hw)) {
3611                 ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3612                 if (ret) {
3613                         PMD_INIT_LOG(ERR,
3614                                      "could not configure rx private waterline %d",
3615                                      ret);
3616                         return ret;
3617                 }
3618
3619                 ret = hns3_common_thrd_config(hw, &pkt_buf);
3620                 if (ret) {
3621                         PMD_INIT_LOG(ERR,
3622                                      "could not configure common threshold %d",
3623                                      ret);
3624                         return ret;
3625                 }
3626         }
3627
3628         ret = hns3_common_wl_config(hw, &pkt_buf);
3629         if (ret)
3630                 PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3631                              ret);
3632
3633         return ret;
3634 }
3635
3636 static int
3637 hns3_mac_init(struct hns3_hw *hw)
3638 {
3639         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3640         struct hns3_mac *mac = &hw->mac;
3641         struct hns3_pf *pf = &hns->pf;
3642         int ret;
3643
3644         pf->support_sfp_query = true;
3645         mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3646         ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3647         if (ret) {
3648                 PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3649                 return ret;
3650         }
3651
3652         mac->link_status = ETH_LINK_DOWN;
3653
3654         return hns3_config_mtu(hw, pf->mps);
3655 }
3656
3657 static int
3658 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3659 {
3660 #define HNS3_ETHERTYPE_SUCCESS_ADD              0
3661 #define HNS3_ETHERTYPE_ALREADY_ADD              1
3662 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW         2
3663 #define HNS3_ETHERTYPE_KEY_CONFLICT             3
3664         int return_status;
3665
3666         if (cmdq_resp) {
3667                 PMD_INIT_LOG(ERR,
3668                              "cmdq execute failed for get_mac_ethertype_cmd_status, status=%d.\n",
3669                              cmdq_resp);
3670                 return -EIO;
3671         }
3672
3673         switch (resp_code) {
3674         case HNS3_ETHERTYPE_SUCCESS_ADD:
3675         case HNS3_ETHERTYPE_ALREADY_ADD:
3676                 return_status = 0;
3677                 break;
3678         case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
3679                 PMD_INIT_LOG(ERR,
3680                              "add mac ethertype failed for manager table overflow.");
3681                 return_status = -EIO;
3682                 break;
3683         case HNS3_ETHERTYPE_KEY_CONFLICT:
3684                 PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
3685                 return_status = -EIO;
3686                 break;
3687         default:
3688                 PMD_INIT_LOG(ERR,
3689                              "add mac ethertype failed for undefined, code=%d.",
3690                              resp_code);
3691                 return_status = -EIO;
3692                 break;
3693         }
3694
3695         return return_status;
3696 }
3697
3698 static int
3699 hns3_add_mgr_tbl(struct hns3_hw *hw,
3700                  const struct hns3_mac_mgr_tbl_entry_cmd *req)
3701 {
3702         struct hns3_cmd_desc desc;
3703         uint8_t resp_code;
3704         uint16_t retval;
3705         int ret;
3706
3707         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
3708         memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
3709
3710         ret = hns3_cmd_send(hw, &desc, 1);
3711         if (ret) {
3712                 PMD_INIT_LOG(ERR,
3713                              "add mac ethertype failed for cmd_send, ret =%d.",
3714                              ret);
3715                 return ret;
3716         }
3717
3718         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
3719         retval = rte_le_to_cpu_16(desc.retval);
3720
3721         return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
3722 }
3723
3724 static void
3725 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
3726                      int *table_item_num)
3727 {
3728         struct hns3_mac_mgr_tbl_entry_cmd *tbl;
3729
3730         /*
3731          * In current version, we add one item in management table as below:
3732          * 0x0180C200000E -- LLDP MC address
3733          */
3734         tbl = mgr_table;
3735         tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
3736         tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
3737         tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
3738         tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
3739         tbl->i_port_bitmap = 0x1;
3740         *table_item_num = 1;
3741 }
3742
3743 static int
3744 hns3_init_mgr_tbl(struct hns3_hw *hw)
3745 {
3746 #define HNS_MAC_MGR_TBL_MAX_SIZE        16
3747         struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
3748         int table_item_num;
3749         int ret;
3750         int i;
3751
3752         memset(mgr_table, 0, sizeof(mgr_table));
3753         hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
3754         for (i = 0; i < table_item_num; i++) {
3755                 ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
3756                 if (ret) {
3757                         PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
3758                                      ret);
3759                         return ret;
3760                 }
3761         }
3762
3763         return 0;
3764 }
3765
3766 static void
3767 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
3768                         bool en_mc, bool en_bc, int vport_id)
3769 {
3770         if (!param)
3771                 return;
3772
3773         memset(param, 0, sizeof(struct hns3_promisc_param));
3774         if (en_uc)
3775                 param->enable = HNS3_PROMISC_EN_UC;
3776         if (en_mc)
3777                 param->enable |= HNS3_PROMISC_EN_MC;
3778         if (en_bc)
3779                 param->enable |= HNS3_PROMISC_EN_BC;
3780         param->vf_id = vport_id;
3781 }
3782
3783 static int
3784 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
3785 {
3786         struct hns3_promisc_cfg_cmd *req;
3787         struct hns3_cmd_desc desc;
3788         int ret;
3789
3790         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
3791
3792         req = (struct hns3_promisc_cfg_cmd *)desc.data;
3793         req->vf_id = param->vf_id;
3794         req->flag = (param->enable << HNS3_PROMISC_EN_B) |
3795             HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
3796
3797         ret = hns3_cmd_send(hw, &desc, 1);
3798         if (ret)
3799                 PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
3800
3801         return ret;
3802 }
3803
3804 static int
3805 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
3806 {
3807         struct hns3_promisc_param param;
3808         bool en_bc_pmc = true;
3809         uint8_t vf_id;
3810
3811         /*
3812          * In current version VF is not supported when PF is driven by DPDK
3813          * driver, just need to configure parameters for PF vport.
3814          */
3815         vf_id = HNS3_PF_FUNC_ID;
3816
3817         hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
3818         return hns3_cmd_set_promisc_mode(hw, &param);
3819 }
3820
3821 static int
3822 hns3_promisc_init(struct hns3_hw *hw)
3823 {
3824         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3825         struct hns3_pf *pf = &hns->pf;
3826         struct hns3_promisc_param param;
3827         uint16_t func_id;
3828         int ret;
3829
3830         ret = hns3_set_promisc_mode(hw, false, false);
3831         if (ret) {
3832                 PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
3833                 return ret;
3834         }
3835
3836         /*
3837          * In current version VFs are not supported when PF is driven by DPDK
3838          * driver. After PF has been taken over by DPDK, the original VF will
3839          * be invalid. So, there is a possibility of entry residues. It should
3840          * clear VFs's promisc mode to avoid unnecessary bandwidth usage
3841          * during init.
3842          */
3843         for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
3844                 hns3_promisc_param_init(&param, false, false, false, func_id);
3845                 ret = hns3_cmd_set_promisc_mode(hw, &param);
3846                 if (ret) {
3847                         PMD_INIT_LOG(ERR, "failed to clear vf:%d promisc mode,"
3848                                         " ret = %d", func_id, ret);
3849                         return ret;
3850                 }
3851         }
3852
3853         return 0;
3854 }
3855
3856 static void
3857 hns3_promisc_uninit(struct hns3_hw *hw)
3858 {
3859         struct hns3_promisc_param param;
3860         uint16_t func_id;
3861         int ret;
3862
3863         func_id = HNS3_PF_FUNC_ID;
3864
3865         /*
3866          * In current version VFs are not supported when PF is driven by
3867          * DPDK driver, and VFs' promisc mode status has been cleared during
3868          * init and their status will not change. So just clear PF's promisc
3869          * mode status during uninit.
3870          */
3871         hns3_promisc_param_init(&param, false, false, false, func_id);
3872         ret = hns3_cmd_set_promisc_mode(hw, &param);
3873         if (ret)
3874                 PMD_INIT_LOG(ERR, "failed to clear promisc status during"
3875                                 " uninit, ret = %d", ret);
3876 }
3877
3878 static int
3879 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
3880 {
3881         bool allmulti = dev->data->all_multicast ? true : false;
3882         struct hns3_adapter *hns = dev->data->dev_private;
3883         struct hns3_hw *hw = &hns->hw;
3884         uint64_t offloads;
3885         int err;
3886         int ret;
3887
3888         rte_spinlock_lock(&hw->lock);
3889         ret = hns3_set_promisc_mode(hw, true, true);
3890         if (ret) {
3891                 rte_spinlock_unlock(&hw->lock);
3892                 hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
3893                          ret);
3894                 return ret;
3895         }
3896
3897         /*
3898          * When promiscuous mode was enabled, disable the vlan filter to let
3899          * all packets coming in in the receiving direction.
3900          */
3901         offloads = dev->data->dev_conf.rxmode.offloads;
3902         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
3903                 ret = hns3_enable_vlan_filter(hns, false);
3904                 if (ret) {
3905                         hns3_err(hw, "failed to enable promiscuous mode due to "
3906                                      "failure to disable vlan filter, ret = %d",
3907                                  ret);
3908                         err = hns3_set_promisc_mode(hw, false, allmulti);
3909                         if (err)
3910                                 hns3_err(hw, "failed to restore promiscuous "
3911                                          "status after disable vlan filter "
3912                                          "failed during enabling promiscuous "
3913                                          "mode, ret = %d", ret);
3914                 }
3915         }
3916
3917         rte_spinlock_unlock(&hw->lock);
3918
3919         return ret;
3920 }
3921
3922 static int
3923 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
3924 {
3925         bool allmulti = dev->data->all_multicast ? true : false;
3926         struct hns3_adapter *hns = dev->data->dev_private;
3927         struct hns3_hw *hw = &hns->hw;
3928         uint64_t offloads;
3929         int err;
3930         int ret;
3931
3932         /* If now in all_multicast mode, must remain in all_multicast mode. */
3933         rte_spinlock_lock(&hw->lock);
3934         ret = hns3_set_promisc_mode(hw, false, allmulti);
3935         if (ret) {
3936                 rte_spinlock_unlock(&hw->lock);
3937                 hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
3938                          ret);
3939                 return ret;
3940         }
3941         /* when promiscuous mode was disabled, restore the vlan filter status */
3942         offloads = dev->data->dev_conf.rxmode.offloads;
3943         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
3944                 ret = hns3_enable_vlan_filter(hns, true);
3945                 if (ret) {
3946                         hns3_err(hw, "failed to disable promiscuous mode due to"
3947                                  " failure to restore vlan filter, ret = %d",
3948                                  ret);
3949                         err = hns3_set_promisc_mode(hw, true, true);
3950                         if (err)
3951                                 hns3_err(hw, "failed to restore promiscuous "
3952                                          "status after enabling vlan filter "
3953                                          "failed during disabling promiscuous "
3954                                          "mode, ret = %d", ret);
3955                 }
3956         }
3957         rte_spinlock_unlock(&hw->lock);
3958
3959         return ret;
3960 }
3961
3962 static int
3963 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
3964 {
3965         struct hns3_adapter *hns = dev->data->dev_private;
3966         struct hns3_hw *hw = &hns->hw;
3967         int ret;
3968
3969         if (dev->data->promiscuous)
3970                 return 0;
3971
3972         rte_spinlock_lock(&hw->lock);
3973         ret = hns3_set_promisc_mode(hw, false, true);
3974         rte_spinlock_unlock(&hw->lock);
3975         if (ret)
3976                 hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
3977                          ret);
3978
3979         return ret;
3980 }
3981
3982 static int
3983 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
3984 {
3985         struct hns3_adapter *hns = dev->data->dev_private;
3986         struct hns3_hw *hw = &hns->hw;
3987         int ret;
3988
3989         /* If now in promiscuous mode, must remain in all_multicast mode. */
3990         if (dev->data->promiscuous)
3991                 return 0;
3992
3993         rte_spinlock_lock(&hw->lock);
3994         ret = hns3_set_promisc_mode(hw, false, false);
3995         rte_spinlock_unlock(&hw->lock);
3996         if (ret)
3997                 hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
3998                          ret);
3999
4000         return ret;
4001 }
4002
4003 static int
4004 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4005 {
4006         struct hns3_hw *hw = &hns->hw;
4007         bool allmulti = hw->data->all_multicast ? true : false;
4008         int ret;
4009
4010         if (hw->data->promiscuous) {
4011                 ret = hns3_set_promisc_mode(hw, true, true);
4012                 if (ret)
4013                         hns3_err(hw, "failed to restore promiscuous mode, "
4014                                  "ret = %d", ret);
4015                 return ret;
4016         }
4017
4018         ret = hns3_set_promisc_mode(hw, false, allmulti);
4019         if (ret)
4020                 hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4021                          ret);
4022         return ret;
4023 }
4024
4025 static int
4026 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4027 {
4028         struct hns3_sfp_speed_cmd *resp;
4029         struct hns3_cmd_desc desc;
4030         int ret;
4031
4032         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4033         resp = (struct hns3_sfp_speed_cmd *)desc.data;
4034         ret = hns3_cmd_send(hw, &desc, 1);
4035         if (ret == -EOPNOTSUPP) {
4036                 hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4037                 return ret;
4038         } else if (ret) {
4039                 hns3_err(hw, "get sfp speed failed %d", ret);
4040                 return ret;
4041         }
4042
4043         *speed = resp->sfp_speed;
4044
4045         return 0;
4046 }
4047
4048 static uint8_t
4049 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4050 {
4051         if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4052                 duplex = ETH_LINK_FULL_DUPLEX;
4053
4054         return duplex;
4055 }
4056
4057 static int
4058 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4059 {
4060         struct hns3_mac *mac = &hw->mac;
4061         int ret;
4062
4063         duplex = hns3_check_speed_dup(duplex, speed);
4064         if (mac->link_speed == speed && mac->link_duplex == duplex)
4065                 return 0;
4066
4067         ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4068         if (ret)
4069                 return ret;
4070
4071         mac->link_speed = speed;
4072         mac->link_duplex = duplex;
4073
4074         return 0;
4075 }
4076
4077 static int
4078 hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
4079 {
4080         struct hns3_adapter *hns = eth_dev->data->dev_private;
4081         struct hns3_hw *hw = &hns->hw;
4082         struct hns3_pf *pf = &hns->pf;
4083         uint32_t speed;
4084         int ret;
4085
4086         /* If IMP do not support get SFP/qSFP speed, return directly */
4087         if (!pf->support_sfp_query)
4088                 return 0;
4089
4090         ret = hns3_get_sfp_speed(hw, &speed);
4091         if (ret == -EOPNOTSUPP) {
4092                 pf->support_sfp_query = false;
4093                 return ret;
4094         } else if (ret)
4095                 return ret;
4096
4097         if (speed == ETH_SPEED_NUM_NONE)
4098                 return 0; /* do nothing if no SFP */
4099
4100         /* Config full duplex for SFP */
4101         return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4102 }
4103
4104 static int
4105 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4106 {
4107         struct hns3_config_mac_mode_cmd *req;
4108         struct hns3_cmd_desc desc;
4109         uint32_t loop_en = 0;
4110         uint8_t val = 0;
4111         int ret;
4112
4113         req = (struct hns3_config_mac_mode_cmd *)desc.data;
4114
4115         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4116         if (enable)
4117                 val = 1;
4118         hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4119         hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4120         hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4121         hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4122         hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4123         hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4124         hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4125         hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4126         hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4127         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4128         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4129         hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4130         hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4131         hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4132         req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4133
4134         ret = hns3_cmd_send(hw, &desc, 1);
4135         if (ret)
4136                 PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4137
4138         return ret;
4139 }
4140
4141 static int
4142 hns3_get_mac_link_status(struct hns3_hw *hw)
4143 {
4144         struct hns3_link_status_cmd *req;
4145         struct hns3_cmd_desc desc;
4146         int link_status;
4147         int ret;
4148
4149         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4150         ret = hns3_cmd_send(hw, &desc, 1);
4151         if (ret) {
4152                 hns3_err(hw, "get link status cmd failed %d", ret);
4153                 return ETH_LINK_DOWN;
4154         }
4155
4156         req = (struct hns3_link_status_cmd *)desc.data;
4157         link_status = req->status & HNS3_LINK_STATUS_UP_M;
4158
4159         return !!link_status;
4160 }
4161
4162 void
4163 hns3_update_link_status(struct hns3_hw *hw)
4164 {
4165         int state;
4166
4167         state = hns3_get_mac_link_status(hw);
4168         if (state != hw->mac.link_status) {
4169                 hw->mac.link_status = state;
4170                 hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4171         }
4172 }
4173
4174 static void
4175 hns3_service_handler(void *param)
4176 {
4177         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4178         struct hns3_adapter *hns = eth_dev->data->dev_private;
4179         struct hns3_hw *hw = &hns->hw;
4180
4181         if (!hns3_is_reset_pending(hns)) {
4182                 hns3_update_speed_duplex(eth_dev);
4183                 hns3_update_link_status(hw);
4184         } else
4185                 hns3_warn(hw, "Cancel the query when reset is pending");
4186
4187         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4188 }
4189
4190 static int
4191 hns3_init_hardware(struct hns3_adapter *hns)
4192 {
4193         struct hns3_hw *hw = &hns->hw;
4194         int ret;
4195
4196         ret = hns3_map_tqp(hw);
4197         if (ret) {
4198                 PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4199                 return ret;
4200         }
4201
4202         ret = hns3_init_umv_space(hw);
4203         if (ret) {
4204                 PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4205                 return ret;
4206         }
4207
4208         ret = hns3_mac_init(hw);
4209         if (ret) {
4210                 PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4211                 goto err_mac_init;
4212         }
4213
4214         ret = hns3_init_mgr_tbl(hw);
4215         if (ret) {
4216                 PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4217                 goto err_mac_init;
4218         }
4219
4220         ret = hns3_promisc_init(hw);
4221         if (ret) {
4222                 PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4223                              ret);
4224                 goto err_mac_init;
4225         }
4226
4227         ret = hns3_init_vlan_config(hns);
4228         if (ret) {
4229                 PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4230                 goto err_mac_init;
4231         }
4232
4233         ret = hns3_dcb_init(hw);
4234         if (ret) {
4235                 PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4236                 goto err_mac_init;
4237         }
4238
4239         ret = hns3_init_fd_config(hns);
4240         if (ret) {
4241                 PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4242                 goto err_mac_init;
4243         }
4244
4245         ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4246         if (ret) {
4247                 PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4248                 goto err_mac_init;
4249         }
4250
4251         ret = hns3_config_gro(hw, false);
4252         if (ret) {
4253                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4254                 goto err_mac_init;
4255         }
4256
4257         /*
4258          * In the initialization clearing the all hardware mapping relationship
4259          * configurations between queues and interrupt vectors is needed, so
4260          * some error caused by the residual configurations, such as the
4261          * unexpected interrupt, can be avoid.
4262          */
4263         ret = hns3_init_ring_with_vector(hw);
4264         if (ret) {
4265                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4266                 goto err_mac_init;
4267         }
4268
4269         return 0;
4270
4271 err_mac_init:
4272         hns3_uninit_umv_space(hw);
4273         return ret;
4274 }
4275
4276 static int
4277 hns3_init_pf(struct rte_eth_dev *eth_dev)
4278 {
4279         struct rte_device *dev = eth_dev->device;
4280         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4281         struct hns3_adapter *hns = eth_dev->data->dev_private;
4282         struct hns3_hw *hw = &hns->hw;
4283         int ret;
4284
4285         PMD_INIT_FUNC_TRACE();
4286
4287         /* Get hardware io base address from pcie BAR2 IO space */
4288         hw->io_base = pci_dev->mem_resource[2].addr;
4289
4290         /* Firmware command queue initialize */
4291         ret = hns3_cmd_init_queue(hw);
4292         if (ret) {
4293                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4294                 goto err_cmd_init_queue;
4295         }
4296
4297         hns3_clear_all_event_cause(hw);
4298
4299         /* Firmware command initialize */
4300         ret = hns3_cmd_init(hw);
4301         if (ret) {
4302                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4303                 goto err_cmd_init;
4304         }
4305
4306         ret = rte_intr_callback_register(&pci_dev->intr_handle,
4307                                          hns3_interrupt_handler,
4308                                          eth_dev);
4309         if (ret) {
4310                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4311                 goto err_intr_callback_register;
4312         }
4313
4314         /* Enable interrupt */
4315         rte_intr_enable(&pci_dev->intr_handle);
4316         hns3_pf_enable_irq0(hw);
4317
4318         /* Get configuration */
4319         ret = hns3_get_configuration(hw);
4320         if (ret) {
4321                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4322                 goto err_get_config;
4323         }
4324
4325         ret = hns3_init_hardware(hns);
4326         if (ret) {
4327                 PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4328                 goto err_get_config;
4329         }
4330
4331         /* Initialize flow director filter list & hash */
4332         ret = hns3_fdir_filter_init(hns);
4333         if (ret) {
4334                 PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4335                 goto err_hw_init;
4336         }
4337
4338         hns3_set_default_rss_args(hw);
4339
4340         ret = hns3_enable_hw_error_intr(hns, true);
4341         if (ret) {
4342                 PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4343                              ret);
4344                 goto err_fdir;
4345         }
4346
4347         return 0;
4348
4349 err_fdir:
4350         hns3_fdir_filter_uninit(hns);
4351 err_hw_init:
4352         hns3_uninit_umv_space(hw);
4353
4354 err_get_config:
4355         hns3_pf_disable_irq0(hw);
4356         rte_intr_disable(&pci_dev->intr_handle);
4357         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4358                              eth_dev);
4359 err_intr_callback_register:
4360 err_cmd_init:
4361         hns3_cmd_uninit(hw);
4362         hns3_cmd_destroy_queue(hw);
4363 err_cmd_init_queue:
4364         hw->io_base = NULL;
4365
4366         return ret;
4367 }
4368
4369 static void
4370 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4371 {
4372         struct hns3_adapter *hns = eth_dev->data->dev_private;
4373         struct rte_device *dev = eth_dev->device;
4374         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4375         struct hns3_hw *hw = &hns->hw;
4376
4377         PMD_INIT_FUNC_TRACE();
4378
4379         hns3_enable_hw_error_intr(hns, false);
4380         hns3_rss_uninit(hns);
4381         hns3_promisc_uninit(hw);
4382         hns3_fdir_filter_uninit(hns);
4383         hns3_uninit_umv_space(hw);
4384         hns3_pf_disable_irq0(hw);
4385         rte_intr_disable(&pci_dev->intr_handle);
4386         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4387                              eth_dev);
4388         hns3_cmd_uninit(hw);
4389         hns3_cmd_destroy_queue(hw);
4390         hw->io_base = NULL;
4391 }
4392
4393 static int
4394 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4395 {
4396         struct hns3_hw *hw = &hns->hw;
4397         int ret;
4398
4399         ret = hns3_dcb_cfg_update(hns);
4400         if (ret)
4401                 return ret;
4402
4403         /* Enable queues */
4404         ret = hns3_start_queues(hns, reset_queue);
4405         if (ret) {
4406                 PMD_INIT_LOG(ERR, "Failed to start queues: %d", ret);
4407                 return ret;
4408         }
4409
4410         /* Enable MAC */
4411         ret = hns3_cfg_mac_mode(hw, true);
4412         if (ret) {
4413                 PMD_INIT_LOG(ERR, "Failed to enable MAC: %d", ret);
4414                 goto err_config_mac_mode;
4415         }
4416         return 0;
4417
4418 err_config_mac_mode:
4419         hns3_stop_queues(hns, true);
4420         return ret;
4421 }
4422
4423 static int
4424 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4425 {
4426         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4427         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4428         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4429         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4430         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4431         uint32_t intr_vector;
4432         uint16_t q_id;
4433         int ret;
4434
4435         if (dev->data->dev_conf.intr_conf.rxq == 0)
4436                 return 0;
4437
4438         /* disable uio/vfio intr/eventfd mapping */
4439         rte_intr_disable(intr_handle);
4440
4441         /* check and configure queue intr-vector mapping */
4442         if (rte_intr_cap_multiple(intr_handle) ||
4443             !RTE_ETH_DEV_SRIOV(dev).active) {
4444                 intr_vector = hw->used_rx_queues;
4445                 /* creates event fd for each intr vector when MSIX is used */
4446                 if (rte_intr_efd_enable(intr_handle, intr_vector))
4447                         return -EINVAL;
4448         }
4449         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
4450                 intr_handle->intr_vec =
4451                         rte_zmalloc("intr_vec",
4452                                     hw->used_rx_queues * sizeof(int), 0);
4453                 if (intr_handle->intr_vec == NULL) {
4454                         hns3_err(hw, "Failed to allocate %d rx_queues"
4455                                      " intr_vec", hw->used_rx_queues);
4456                         ret = -ENOMEM;
4457                         goto alloc_intr_vec_error;
4458                 }
4459         }
4460
4461         if (rte_intr_allow_others(intr_handle)) {
4462                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4463                 base = RTE_INTR_VEC_RXTX_OFFSET;
4464         }
4465         if (rte_intr_dp_is_en(intr_handle)) {
4466                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4467                         ret = hns3_bind_ring_with_vector(hw, vec, true,
4468                                                          HNS3_RING_TYPE_RX,
4469                                                          q_id);
4470                         if (ret)
4471                                 goto bind_vector_error;
4472                         intr_handle->intr_vec[q_id] = vec;
4473                         if (vec < base + intr_handle->nb_efd - 1)
4474                                 vec++;
4475                 }
4476         }
4477         rte_intr_enable(intr_handle);
4478         return 0;
4479
4480 bind_vector_error:
4481         rte_intr_efd_disable(intr_handle);
4482         if (intr_handle->intr_vec) {
4483                 free(intr_handle->intr_vec);
4484                 intr_handle->intr_vec = NULL;
4485         }
4486         return ret;
4487 alloc_intr_vec_error:
4488         rte_intr_efd_disable(intr_handle);
4489         return ret;
4490 }
4491
4492 static int
4493 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4494 {
4495         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4496         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4497         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4498         uint16_t q_id;
4499         int ret;
4500
4501         if (dev->data->dev_conf.intr_conf.rxq == 0)
4502                 return 0;
4503
4504         if (rte_intr_dp_is_en(intr_handle)) {
4505                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4506                         ret = hns3_bind_ring_with_vector(hw,
4507                                         intr_handle->intr_vec[q_id], true,
4508                                         HNS3_RING_TYPE_RX, q_id);
4509                         if (ret)
4510                                 return ret;
4511                 }
4512         }
4513
4514         return 0;
4515 }
4516
4517 static void
4518 hns3_restore_filter(struct rte_eth_dev *dev)
4519 {
4520         hns3_restore_rss_filter(dev);
4521 }
4522
4523 static int
4524 hns3_dev_start(struct rte_eth_dev *dev)
4525 {
4526         struct hns3_adapter *hns = dev->data->dev_private;
4527         struct hns3_hw *hw = &hns->hw;
4528         int ret;
4529
4530         PMD_INIT_FUNC_TRACE();
4531         if (rte_atomic16_read(&hw->reset.resetting))
4532                 return -EBUSY;
4533
4534         rte_spinlock_lock(&hw->lock);
4535         hw->adapter_state = HNS3_NIC_STARTING;
4536
4537         ret = hns3_do_start(hns, true);
4538         if (ret) {
4539                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4540                 rte_spinlock_unlock(&hw->lock);
4541                 return ret;
4542         }
4543         ret = hns3_map_rx_interrupt(dev);
4544         if (ret) {
4545                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4546                 rte_spinlock_unlock(&hw->lock);
4547                 return ret;
4548         }
4549
4550         hw->adapter_state = HNS3_NIC_STARTED;
4551         rte_spinlock_unlock(&hw->lock);
4552
4553         hns3_set_rxtx_function(dev);
4554         hns3_mp_req_start_rxtx(dev);
4555         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
4556
4557         hns3_restore_filter(dev);
4558
4559         /* Enable interrupt of all rx queues before enabling queues */
4560         hns3_dev_all_rx_queue_intr_enable(hw, true);
4561         /*
4562          * When finished the initialization, enable queues to receive/transmit
4563          * packets.
4564          */
4565         hns3_enable_all_queues(hw, true);
4566
4567         hns3_info(hw, "hns3 dev start successful!");
4568         return 0;
4569 }
4570
4571 static int
4572 hns3_do_stop(struct hns3_adapter *hns)
4573 {
4574         struct hns3_hw *hw = &hns->hw;
4575         bool reset_queue;
4576         int ret;
4577
4578         ret = hns3_cfg_mac_mode(hw, false);
4579         if (ret)
4580                 return ret;
4581         hw->mac.link_status = ETH_LINK_DOWN;
4582
4583         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
4584                 hns3_configure_all_mac_addr(hns, true);
4585                 reset_queue = true;
4586         } else
4587                 reset_queue = false;
4588         hw->mac.default_addr_setted = false;
4589         return hns3_stop_queues(hns, reset_queue);
4590 }
4591
4592 static void
4593 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
4594 {
4595         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4596         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4597         struct hns3_adapter *hns = dev->data->dev_private;
4598         struct hns3_hw *hw = &hns->hw;
4599         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4600         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4601         uint16_t q_id;
4602
4603         if (dev->data->dev_conf.intr_conf.rxq == 0)
4604                 return;
4605
4606         /* unmap the ring with vector */
4607         if (rte_intr_allow_others(intr_handle)) {
4608                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4609                 base = RTE_INTR_VEC_RXTX_OFFSET;
4610         }
4611         if (rte_intr_dp_is_en(intr_handle)) {
4612                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4613                         (void)hns3_bind_ring_with_vector(hw, vec, false,
4614                                                          HNS3_RING_TYPE_RX,
4615                                                          q_id);
4616                         if (vec < base + intr_handle->nb_efd - 1)
4617                                 vec++;
4618                 }
4619         }
4620         /* Clean datapath event and queue/vec mapping */
4621         rte_intr_efd_disable(intr_handle);
4622         if (intr_handle->intr_vec) {
4623                 rte_free(intr_handle->intr_vec);
4624                 intr_handle->intr_vec = NULL;
4625         }
4626 }
4627
4628 static void
4629 hns3_dev_stop(struct rte_eth_dev *dev)
4630 {
4631         struct hns3_adapter *hns = dev->data->dev_private;
4632         struct hns3_hw *hw = &hns->hw;
4633
4634         PMD_INIT_FUNC_TRACE();
4635
4636         hw->adapter_state = HNS3_NIC_STOPPING;
4637         hns3_set_rxtx_function(dev);
4638         rte_wmb();
4639         /* Disable datapath on secondary process. */
4640         hns3_mp_req_stop_rxtx(dev);
4641         /* Prevent crashes when queues are still in use. */
4642         rte_delay_ms(hw->tqps_num);
4643
4644         rte_spinlock_lock(&hw->lock);
4645         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
4646                 hns3_do_stop(hns);
4647                 hns3_unmap_rx_interrupt(dev);
4648                 hns3_dev_release_mbufs(hns);
4649                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4650         }
4651         rte_eal_alarm_cancel(hns3_service_handler, dev);
4652         rte_spinlock_unlock(&hw->lock);
4653 }
4654
4655 static void
4656 hns3_dev_close(struct rte_eth_dev *eth_dev)
4657 {
4658         struct hns3_adapter *hns = eth_dev->data->dev_private;
4659         struct hns3_hw *hw = &hns->hw;
4660
4661         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
4662                 rte_free(eth_dev->process_private);
4663                 eth_dev->process_private = NULL;
4664                 return;
4665         }
4666
4667         if (hw->adapter_state == HNS3_NIC_STARTED)
4668                 hns3_dev_stop(eth_dev);
4669
4670         hw->adapter_state = HNS3_NIC_CLOSING;
4671         hns3_reset_abort(hns);
4672         hw->adapter_state = HNS3_NIC_CLOSED;
4673
4674         hns3_configure_all_mc_mac_addr(hns, true);
4675         hns3_remove_all_vlan_table(hns);
4676         hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
4677         hns3_uninit_pf(eth_dev);
4678         hns3_free_all_queues(eth_dev);
4679         rte_free(hw->reset.wait_data);
4680         rte_free(eth_dev->process_private);
4681         eth_dev->process_private = NULL;
4682         hns3_mp_uninit_primary();
4683         hns3_warn(hw, "Close port %d finished", hw->data->port_id);
4684 }
4685
4686 static int
4687 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4688 {
4689         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4690         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4691
4692         fc_conf->pause_time = pf->pause_time;
4693
4694         /* return fc current mode */
4695         switch (hw->current_mode) {
4696         case HNS3_FC_FULL:
4697                 fc_conf->mode = RTE_FC_FULL;
4698                 break;
4699         case HNS3_FC_TX_PAUSE:
4700                 fc_conf->mode = RTE_FC_TX_PAUSE;
4701                 break;
4702         case HNS3_FC_RX_PAUSE:
4703                 fc_conf->mode = RTE_FC_RX_PAUSE;
4704                 break;
4705         case HNS3_FC_NONE:
4706         default:
4707                 fc_conf->mode = RTE_FC_NONE;
4708                 break;
4709         }
4710
4711         return 0;
4712 }
4713
4714 static void
4715 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
4716 {
4717         switch (mode) {
4718         case RTE_FC_NONE:
4719                 hw->requested_mode = HNS3_FC_NONE;
4720                 break;
4721         case RTE_FC_RX_PAUSE:
4722                 hw->requested_mode = HNS3_FC_RX_PAUSE;
4723                 break;
4724         case RTE_FC_TX_PAUSE:
4725                 hw->requested_mode = HNS3_FC_TX_PAUSE;
4726                 break;
4727         case RTE_FC_FULL:
4728                 hw->requested_mode = HNS3_FC_FULL;
4729                 break;
4730         default:
4731                 hw->requested_mode = HNS3_FC_NONE;
4732                 hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
4733                           "configured to RTE_FC_NONE", mode);
4734                 break;
4735         }
4736 }
4737
4738 static int
4739 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4740 {
4741         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4742         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4743         int ret;
4744
4745         if (fc_conf->high_water || fc_conf->low_water ||
4746             fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
4747                 hns3_err(hw, "Unsupported flow control settings specified, "
4748                          "high_water(%u), low_water(%u), send_xon(%u) and "
4749                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4750                          fc_conf->high_water, fc_conf->low_water,
4751                          fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
4752                 return -EINVAL;
4753         }
4754         if (fc_conf->autoneg) {
4755                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4756                 return -EINVAL;
4757         }
4758         if (!fc_conf->pause_time) {
4759                 hns3_err(hw, "Invalid pause time %d setting.",
4760                          fc_conf->pause_time);
4761                 return -EINVAL;
4762         }
4763
4764         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4765             hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
4766                 hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
4767                          "current_fc_status = %d", hw->current_fc_status);
4768                 return -EOPNOTSUPP;
4769         }
4770
4771         hns3_get_fc_mode(hw, fc_conf->mode);
4772         if (hw->requested_mode == hw->current_mode &&
4773             pf->pause_time == fc_conf->pause_time)
4774                 return 0;
4775
4776         rte_spinlock_lock(&hw->lock);
4777         ret = hns3_fc_enable(dev, fc_conf);
4778         rte_spinlock_unlock(&hw->lock);
4779
4780         return ret;
4781 }
4782
4783 static int
4784 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
4785                             struct rte_eth_pfc_conf *pfc_conf)
4786 {
4787         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4788         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4789         uint8_t priority;
4790         int ret;
4791
4792         if (!hns3_dev_dcb_supported(hw)) {
4793                 hns3_err(hw, "This port does not support dcb configurations.");
4794                 return -EOPNOTSUPP;
4795         }
4796
4797         if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
4798             pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
4799                 hns3_err(hw, "Unsupported flow control settings specified, "
4800                          "high_water(%u), low_water(%u), send_xon(%u) and "
4801                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4802                          pfc_conf->fc.high_water, pfc_conf->fc.low_water,
4803                          pfc_conf->fc.send_xon,
4804                          pfc_conf->fc.mac_ctrl_frame_fwd);
4805                 return -EINVAL;
4806         }
4807         if (pfc_conf->fc.autoneg) {
4808                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4809                 return -EINVAL;
4810         }
4811         if (pfc_conf->fc.pause_time == 0) {
4812                 hns3_err(hw, "Invalid pause time %d setting.",
4813                          pfc_conf->fc.pause_time);
4814                 return -EINVAL;
4815         }
4816
4817         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4818             hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
4819                 hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
4820                              "current_fc_status = %d", hw->current_fc_status);
4821                 return -EOPNOTSUPP;
4822         }
4823
4824         priority = pfc_conf->priority;
4825         hns3_get_fc_mode(hw, pfc_conf->fc.mode);
4826         if (hw->dcb_info.pfc_en & BIT(priority) &&
4827             hw->requested_mode == hw->current_mode &&
4828             pfc_conf->fc.pause_time == pf->pause_time)
4829                 return 0;
4830
4831         rte_spinlock_lock(&hw->lock);
4832         ret = hns3_dcb_pfc_enable(dev, pfc_conf);
4833         rte_spinlock_unlock(&hw->lock);
4834
4835         return ret;
4836 }
4837
4838 static int
4839 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
4840 {
4841         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4842         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4843         enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
4844         int i;
4845
4846         rte_spinlock_lock(&hw->lock);
4847         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
4848                 dcb_info->nb_tcs = pf->local_max_tc;
4849         else
4850                 dcb_info->nb_tcs = 1;
4851
4852         for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
4853                 dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
4854         for (i = 0; i < dcb_info->nb_tcs; i++)
4855                 dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
4856
4857         for (i = 0; i < hw->num_tc; i++) {
4858                 dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
4859                 dcb_info->tc_queue.tc_txq[0][i].base =
4860                                                 hw->tc_queue[i].tqp_offset;
4861                 dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
4862                 dcb_info->tc_queue.tc_txq[0][i].nb_queue =
4863                                                 hw->tc_queue[i].tqp_count;
4864         }
4865         rte_spinlock_unlock(&hw->lock);
4866
4867         return 0;
4868 }
4869
4870 static int
4871 hns3_reinit_dev(struct hns3_adapter *hns)
4872 {
4873         struct hns3_hw *hw = &hns->hw;
4874         int ret;
4875
4876         ret = hns3_cmd_init(hw);
4877         if (ret) {
4878                 hns3_err(hw, "Failed to init cmd: %d", ret);
4879                 return ret;
4880         }
4881
4882         ret = hns3_reset_all_queues(hns);
4883         if (ret) {
4884                 hns3_err(hw, "Failed to reset all queues: %d", ret);
4885                 return ret;
4886         }
4887
4888         ret = hns3_init_hardware(hns);
4889         if (ret) {
4890                 hns3_err(hw, "Failed to init hardware: %d", ret);
4891                 return ret;
4892         }
4893
4894         ret = hns3_enable_hw_error_intr(hns, true);
4895         if (ret) {
4896                 hns3_err(hw, "fail to enable hw error interrupts: %d",
4897                              ret);
4898                 return ret;
4899         }
4900         hns3_info(hw, "Reset done, driver initialization finished.");
4901
4902         return 0;
4903 }
4904
4905 static bool
4906 is_pf_reset_done(struct hns3_hw *hw)
4907 {
4908         uint32_t val, reg, reg_bit;
4909
4910         switch (hw->reset.level) {
4911         case HNS3_IMP_RESET:
4912                 reg = HNS3_GLOBAL_RESET_REG;
4913                 reg_bit = HNS3_IMP_RESET_BIT;
4914                 break;
4915         case HNS3_GLOBAL_RESET:
4916                 reg = HNS3_GLOBAL_RESET_REG;
4917                 reg_bit = HNS3_GLOBAL_RESET_BIT;
4918                 break;
4919         case HNS3_FUNC_RESET:
4920                 reg = HNS3_FUN_RST_ING;
4921                 reg_bit = HNS3_FUN_RST_ING_B;
4922                 break;
4923         case HNS3_FLR_RESET:
4924         default:
4925                 hns3_err(hw, "Wait for unsupported reset level: %d",
4926                          hw->reset.level);
4927                 return true;
4928         }
4929         val = hns3_read_dev(hw, reg);
4930         if (hns3_get_bit(val, reg_bit))
4931                 return false;
4932         else
4933                 return true;
4934 }
4935
4936 bool
4937 hns3_is_reset_pending(struct hns3_adapter *hns)
4938 {
4939         struct hns3_hw *hw = &hns->hw;
4940         enum hns3_reset_level reset;
4941
4942         hns3_check_event_cause(hns, NULL);
4943         reset = hns3_get_reset_level(hns, &hw->reset.pending);
4944         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
4945                 hns3_warn(hw, "High level reset %d is pending", reset);
4946                 return true;
4947         }
4948         reset = hns3_get_reset_level(hns, &hw->reset.request);
4949         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
4950                 hns3_warn(hw, "High level reset %d is request", reset);
4951                 return true;
4952         }
4953         return false;
4954 }
4955
4956 static int
4957 hns3_wait_hardware_ready(struct hns3_adapter *hns)
4958 {
4959         struct hns3_hw *hw = &hns->hw;
4960         struct hns3_wait_data *wait_data = hw->reset.wait_data;
4961         struct timeval tv;
4962
4963         if (wait_data->result == HNS3_WAIT_SUCCESS)
4964                 return 0;
4965         else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
4966                 gettimeofday(&tv, NULL);
4967                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
4968                           tv.tv_sec, tv.tv_usec);
4969                 return -ETIME;
4970         } else if (wait_data->result == HNS3_WAIT_REQUEST)
4971                 return -EAGAIN;
4972
4973         wait_data->hns = hns;
4974         wait_data->check_completion = is_pf_reset_done;
4975         wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
4976                                       HNS3_RESET_WAIT_MS + get_timeofday_ms();
4977         wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
4978         wait_data->count = HNS3_RESET_WAIT_CNT;
4979         wait_data->result = HNS3_WAIT_REQUEST;
4980         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
4981         return -EAGAIN;
4982 }
4983
4984 static int
4985 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
4986 {
4987         struct hns3_cmd_desc desc;
4988         struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
4989
4990         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
4991         hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
4992         req->fun_reset_vfid = func_id;
4993
4994         return hns3_cmd_send(hw, &desc, 1);
4995 }
4996
4997 static int
4998 hns3_imp_reset_cmd(struct hns3_hw *hw)
4999 {
5000         struct hns3_cmd_desc desc;
5001
5002         hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5003         desc.data[0] = 0xeedd;
5004
5005         return hns3_cmd_send(hw, &desc, 1);
5006 }
5007
5008 static void
5009 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5010 {
5011         struct hns3_hw *hw = &hns->hw;
5012         struct timeval tv;
5013         uint32_t val;
5014
5015         gettimeofday(&tv, NULL);
5016         if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5017             hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5018                 hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5019                           tv.tv_sec, tv.tv_usec);
5020                 return;
5021         }
5022
5023         switch (reset_level) {
5024         case HNS3_IMP_RESET:
5025                 hns3_imp_reset_cmd(hw);
5026                 hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5027                           tv.tv_sec, tv.tv_usec);
5028                 break;
5029         case HNS3_GLOBAL_RESET:
5030                 val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5031                 hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5032                 hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5033                 hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5034                           tv.tv_sec, tv.tv_usec);
5035                 break;
5036         case HNS3_FUNC_RESET:
5037                 hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5038                           tv.tv_sec, tv.tv_usec);
5039                 /* schedule again to check later */
5040                 hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5041                 hns3_schedule_reset(hns);
5042                 break;
5043         default:
5044                 hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5045                 return;
5046         }
5047         hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5048 }
5049
5050 static enum hns3_reset_level
5051 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5052 {
5053         struct hns3_hw *hw = &hns->hw;
5054         enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5055
5056         /* Return the highest priority reset level amongst all */
5057         if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5058                 reset_level = HNS3_IMP_RESET;
5059         else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5060                 reset_level = HNS3_GLOBAL_RESET;
5061         else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5062                 reset_level = HNS3_FUNC_RESET;
5063         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5064                 reset_level = HNS3_FLR_RESET;
5065
5066         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5067                 return HNS3_NONE_RESET;
5068
5069         return reset_level;
5070 }
5071
5072 static int
5073 hns3_prepare_reset(struct hns3_adapter *hns)
5074 {
5075         struct hns3_hw *hw = &hns->hw;
5076         uint32_t reg_val;
5077         int ret;
5078
5079         switch (hw->reset.level) {
5080         case HNS3_FUNC_RESET:
5081                 ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5082                 if (ret)
5083                         return ret;
5084
5085                 /*
5086                  * After performaning pf reset, it is not necessary to do the
5087                  * mailbox handling or send any command to firmware, because
5088                  * any mailbox handling or command to firmware is only valid
5089                  * after hns3_cmd_init is called.
5090                  */
5091                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
5092                 hw->reset.stats.request_cnt++;
5093                 break;
5094         case HNS3_IMP_RESET:
5095                 reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5096                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5097                                BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5098                 break;
5099         default:
5100                 break;
5101         }
5102         return 0;
5103 }
5104
5105 static int
5106 hns3_set_rst_done(struct hns3_hw *hw)
5107 {
5108         struct hns3_pf_rst_done_cmd *req;
5109         struct hns3_cmd_desc desc;
5110
5111         req = (struct hns3_pf_rst_done_cmd *)desc.data;
5112         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5113         req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5114         return hns3_cmd_send(hw, &desc, 1);
5115 }
5116
5117 static int
5118 hns3_stop_service(struct hns3_adapter *hns)
5119 {
5120         struct hns3_hw *hw = &hns->hw;
5121         struct rte_eth_dev *eth_dev;
5122
5123         eth_dev = &rte_eth_devices[hw->data->port_id];
5124         if (hw->adapter_state == HNS3_NIC_STARTED)
5125                 rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5126         hw->mac.link_status = ETH_LINK_DOWN;
5127
5128         hns3_set_rxtx_function(eth_dev);
5129         rte_wmb();
5130         /* Disable datapath on secondary process. */
5131         hns3_mp_req_stop_rxtx(eth_dev);
5132         rte_delay_ms(hw->tqps_num);
5133
5134         rte_spinlock_lock(&hw->lock);
5135         if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5136             hw->adapter_state == HNS3_NIC_STOPPING) {
5137                 hns3_do_stop(hns);
5138                 hw->reset.mbuf_deferred_free = true;
5139         } else
5140                 hw->reset.mbuf_deferred_free = false;
5141
5142         /*
5143          * It is cumbersome for hardware to pick-and-choose entries for deletion
5144          * from table space. Hence, for function reset software intervention is
5145          * required to delete the entries
5146          */
5147         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
5148                 hns3_configure_all_mc_mac_addr(hns, true);
5149         rte_spinlock_unlock(&hw->lock);
5150
5151         return 0;
5152 }
5153
5154 static int
5155 hns3_start_service(struct hns3_adapter *hns)
5156 {
5157         struct hns3_hw *hw = &hns->hw;
5158         struct rte_eth_dev *eth_dev;
5159
5160         if (hw->reset.level == HNS3_IMP_RESET ||
5161             hw->reset.level == HNS3_GLOBAL_RESET)
5162                 hns3_set_rst_done(hw);
5163         eth_dev = &rte_eth_devices[hw->data->port_id];
5164         hns3_set_rxtx_function(eth_dev);
5165         hns3_mp_req_start_rxtx(eth_dev);
5166         if (hw->adapter_state == HNS3_NIC_STARTED) {
5167                 hns3_service_handler(eth_dev);
5168
5169                 /* Enable interrupt of all rx queues before enabling queues */
5170                 hns3_dev_all_rx_queue_intr_enable(hw, true);
5171                 /*
5172                  * When finished the initialization, enable queues to receive
5173                  * and transmit packets.
5174                  */
5175                 hns3_enable_all_queues(hw, true);
5176         }
5177
5178         return 0;
5179 }
5180
5181 static int
5182 hns3_restore_conf(struct hns3_adapter *hns)
5183 {
5184         struct hns3_hw *hw = &hns->hw;
5185         int ret;
5186
5187         ret = hns3_configure_all_mac_addr(hns, false);
5188         if (ret)
5189                 return ret;
5190
5191         ret = hns3_configure_all_mc_mac_addr(hns, false);
5192         if (ret)
5193                 goto err_mc_mac;
5194
5195         ret = hns3_dev_promisc_restore(hns);
5196         if (ret)
5197                 goto err_promisc;
5198
5199         ret = hns3_restore_vlan_table(hns);
5200         if (ret)
5201                 goto err_promisc;
5202
5203         ret = hns3_restore_vlan_conf(hns);
5204         if (ret)
5205                 goto err_promisc;
5206
5207         ret = hns3_restore_all_fdir_filter(hns);
5208         if (ret)
5209                 goto err_promisc;
5210
5211         ret = hns3_restore_rx_interrupt(hw);
5212         if (ret)
5213                 goto err_promisc;
5214
5215         if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5216                 ret = hns3_do_start(hns, false);
5217                 if (ret)
5218                         goto err_promisc;
5219                 hns3_info(hw, "hns3 dev restart successful!");
5220         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
5221                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5222         return 0;
5223
5224 err_promisc:
5225         hns3_configure_all_mc_mac_addr(hns, true);
5226 err_mc_mac:
5227         hns3_configure_all_mac_addr(hns, true);
5228         return ret;
5229 }
5230
5231 static void
5232 hns3_reset_service(void *param)
5233 {
5234         struct hns3_adapter *hns = (struct hns3_adapter *)param;
5235         struct hns3_hw *hw = &hns->hw;
5236         enum hns3_reset_level reset_level;
5237         struct timeval tv_delta;
5238         struct timeval tv_start;
5239         struct timeval tv;
5240         uint64_t msec;
5241         int ret;
5242
5243         /*
5244          * The interrupt is not triggered within the delay time.
5245          * The interrupt may have been lost. It is necessary to handle
5246          * the interrupt to recover from the error.
5247          */
5248         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
5249                 rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
5250                 hns3_err(hw, "Handling interrupts in delayed tasks");
5251                 hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5252                 reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5253                 if (reset_level == HNS3_NONE_RESET) {
5254                         hns3_err(hw, "No reset level is set, try IMP reset");
5255                         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5256                 }
5257         }
5258         rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
5259
5260         /*
5261          * Check if there is any ongoing reset in the hardware. This status can
5262          * be checked from reset_pending. If there is then, we need to wait for
5263          * hardware to complete reset.
5264          *    a. If we are able to figure out in reasonable time that hardware
5265          *       has fully resetted then, we can proceed with driver, client
5266          *       reset.
5267          *    b. else, we can come back later to check this status so re-sched
5268          *       now.
5269          */
5270         reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5271         if (reset_level != HNS3_NONE_RESET) {
5272                 gettimeofday(&tv_start, NULL);
5273                 ret = hns3_reset_process(hns, reset_level);
5274                 gettimeofday(&tv, NULL);
5275                 timersub(&tv, &tv_start, &tv_delta);
5276                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
5277                        tv_delta.tv_usec / USEC_PER_MSEC;
5278                 if (msec > HNS3_RESET_PROCESS_MS)
5279                         hns3_err(hw, "%d handle long time delta %" PRIx64
5280                                      " ms time=%ld.%.6ld",
5281                                  hw->reset.level, msec,
5282                                  tv.tv_sec, tv.tv_usec);
5283                 if (ret == -EAGAIN)
5284                         return;
5285         }
5286
5287         /* Check if we got any *new* reset requests to be honored */
5288         reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5289         if (reset_level != HNS3_NONE_RESET)
5290                 hns3_msix_process(hns, reset_level);
5291 }
5292
5293 static const struct eth_dev_ops hns3_eth_dev_ops = {
5294         .dev_start          = hns3_dev_start,
5295         .dev_stop           = hns3_dev_stop,
5296         .dev_close          = hns3_dev_close,
5297         .promiscuous_enable = hns3_dev_promiscuous_enable,
5298         .promiscuous_disable = hns3_dev_promiscuous_disable,
5299         .allmulticast_enable  = hns3_dev_allmulticast_enable,
5300         .allmulticast_disable = hns3_dev_allmulticast_disable,
5301         .mtu_set            = hns3_dev_mtu_set,
5302         .stats_get          = hns3_stats_get,
5303         .stats_reset        = hns3_stats_reset,
5304         .xstats_get         = hns3_dev_xstats_get,
5305         .xstats_get_names   = hns3_dev_xstats_get_names,
5306         .xstats_reset       = hns3_dev_xstats_reset,
5307         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
5308         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
5309         .dev_infos_get          = hns3_dev_infos_get,
5310         .fw_version_get         = hns3_fw_version_get,
5311         .rx_queue_setup         = hns3_rx_queue_setup,
5312         .tx_queue_setup         = hns3_tx_queue_setup,
5313         .rx_queue_release       = hns3_dev_rx_queue_release,
5314         .tx_queue_release       = hns3_dev_tx_queue_release,
5315         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
5316         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
5317         .dev_configure          = hns3_dev_configure,
5318         .flow_ctrl_get          = hns3_flow_ctrl_get,
5319         .flow_ctrl_set          = hns3_flow_ctrl_set,
5320         .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
5321         .mac_addr_add           = hns3_add_mac_addr,
5322         .mac_addr_remove        = hns3_remove_mac_addr,
5323         .mac_addr_set           = hns3_set_default_mac_addr,
5324         .set_mc_addr_list       = hns3_set_mc_mac_addr_list,
5325         .link_update            = hns3_dev_link_update,
5326         .rss_hash_update        = hns3_dev_rss_hash_update,
5327         .rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
5328         .reta_update            = hns3_dev_rss_reta_update,
5329         .reta_query             = hns3_dev_rss_reta_query,
5330         .filter_ctrl            = hns3_dev_filter_ctrl,
5331         .vlan_filter_set        = hns3_vlan_filter_set,
5332         .vlan_tpid_set          = hns3_vlan_tpid_set,
5333         .vlan_offload_set       = hns3_vlan_offload_set,
5334         .vlan_pvid_set          = hns3_vlan_pvid_set,
5335         .get_reg                = hns3_get_regs,
5336         .get_dcb_info           = hns3_get_dcb_info,
5337         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
5338 };
5339
5340 static const struct hns3_reset_ops hns3_reset_ops = {
5341         .reset_service       = hns3_reset_service,
5342         .stop_service        = hns3_stop_service,
5343         .prepare_reset       = hns3_prepare_reset,
5344         .wait_hardware_ready = hns3_wait_hardware_ready,
5345         .reinit_dev          = hns3_reinit_dev,
5346         .restore_conf        = hns3_restore_conf,
5347         .start_service       = hns3_start_service,
5348 };
5349
5350 static int
5351 hns3_dev_init(struct rte_eth_dev *eth_dev)
5352 {
5353         struct rte_device *dev = eth_dev->device;
5354         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
5355         struct hns3_adapter *hns = eth_dev->data->dev_private;
5356         struct hns3_hw *hw = &hns->hw;
5357         uint16_t device_id = pci_dev->id.device_id;
5358         uint8_t revision;
5359         int ret;
5360
5361         PMD_INIT_FUNC_TRACE();
5362
5363         /* Get PCI revision id */
5364         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
5365                                   HNS3_PCI_REVISION_ID);
5366         if (ret != HNS3_PCI_REVISION_ID_LEN) {
5367                 PMD_INIT_LOG(ERR, "Failed to read pci revision id, ret = %d",
5368                              ret);
5369                 return -EIO;
5370         }
5371         hw->revision = revision;
5372
5373         eth_dev->process_private = (struct hns3_process_private *)
5374             rte_zmalloc_socket("hns3_filter_list",
5375                                sizeof(struct hns3_process_private),
5376                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
5377         if (eth_dev->process_private == NULL) {
5378                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
5379                 return -ENOMEM;
5380         }
5381         /* initialize flow filter lists */
5382         hns3_filterlist_init(eth_dev);
5383
5384         hns3_set_rxtx_function(eth_dev);
5385         eth_dev->dev_ops = &hns3_eth_dev_ops;
5386         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5387                 hns3_mp_init_secondary();
5388                 hw->secondary_cnt++;
5389                 return 0;
5390         }
5391
5392         hns3_mp_init_primary();
5393         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
5394
5395         if (device_id == HNS3_DEV_ID_25GE_RDMA ||
5396             device_id == HNS3_DEV_ID_50GE_RDMA ||
5397             device_id == HNS3_DEV_ID_100G_RDMA_MACSEC)
5398                 hns3_set_bit(hw->flag, HNS3_DEV_SUPPORT_DCB_B, 1);
5399
5400         hns->is_vf = false;
5401         hw->data = eth_dev->data;
5402
5403         /*
5404          * Set default max packet size according to the mtu
5405          * default vale in DPDK frame.
5406          */
5407         hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
5408
5409         ret = hns3_reset_init(hw);
5410         if (ret)
5411                 goto err_init_reset;
5412         hw->reset.ops = &hns3_reset_ops;
5413
5414         ret = hns3_init_pf(eth_dev);
5415         if (ret) {
5416                 PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
5417                 goto err_init_pf;
5418         }
5419
5420         /* Allocate memory for storing MAC addresses */
5421         eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
5422                                                sizeof(struct rte_ether_addr) *
5423                                                HNS3_UC_MACADDR_NUM, 0);
5424         if (eth_dev->data->mac_addrs == NULL) {
5425                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
5426                              "to store MAC addresses",
5427                              sizeof(struct rte_ether_addr) *
5428                              HNS3_UC_MACADDR_NUM);
5429                 ret = -ENOMEM;
5430                 goto err_rte_zmalloc;
5431         }
5432
5433         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
5434                             &eth_dev->data->mac_addrs[0]);
5435
5436         hw->adapter_state = HNS3_NIC_INITIALIZED;
5437         /*
5438          * Pass the information to the rte_eth_dev_close() that it should also
5439          * release the private port resources.
5440          */
5441         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
5442
5443         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
5444                 hns3_err(hw, "Reschedule reset service after dev_init");
5445                 hns3_schedule_reset(hns);
5446         } else {
5447                 /* IMP will wait ready flag before reset */
5448                 hns3_notify_reset_ready(hw, false);
5449         }
5450
5451         hns3_info(hw, "hns3 dev initialization successful!");
5452         return 0;
5453
5454 err_rte_zmalloc:
5455         hns3_uninit_pf(eth_dev);
5456
5457 err_init_pf:
5458         rte_free(hw->reset.wait_data);
5459 err_init_reset:
5460         eth_dev->dev_ops = NULL;
5461         eth_dev->rx_pkt_burst = NULL;
5462         eth_dev->tx_pkt_burst = NULL;
5463         eth_dev->tx_pkt_prepare = NULL;
5464         rte_free(eth_dev->process_private);
5465         eth_dev->process_private = NULL;
5466         return ret;
5467 }
5468
5469 static int
5470 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
5471 {
5472         struct hns3_adapter *hns = eth_dev->data->dev_private;
5473         struct hns3_hw *hw = &hns->hw;
5474
5475         PMD_INIT_FUNC_TRACE();
5476
5477         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
5478                 return -EPERM;
5479
5480         eth_dev->dev_ops = NULL;
5481         eth_dev->rx_pkt_burst = NULL;
5482         eth_dev->tx_pkt_burst = NULL;
5483         eth_dev->tx_pkt_prepare = NULL;
5484         if (hw->adapter_state < HNS3_NIC_CLOSING)
5485                 hns3_dev_close(eth_dev);
5486
5487         hw->adapter_state = HNS3_NIC_REMOVED;
5488         return 0;
5489 }
5490
5491 static int
5492 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
5493                    struct rte_pci_device *pci_dev)
5494 {
5495         return rte_eth_dev_pci_generic_probe(pci_dev,
5496                                              sizeof(struct hns3_adapter),
5497                                              hns3_dev_init);
5498 }
5499
5500 static int
5501 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
5502 {
5503         return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
5504 }
5505
5506 static const struct rte_pci_id pci_id_hns3_map[] = {
5507         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
5508         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
5509         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
5510         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
5511         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
5512         { .vendor_id = 0, /* sentinel */ },
5513 };
5514
5515 static struct rte_pci_driver rte_hns3_pmd = {
5516         .id_table = pci_id_hns3_map,
5517         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
5518         .probe = eth_hns3_pci_probe,
5519         .remove = eth_hns3_pci_remove,
5520 };
5521
5522 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
5523 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
5524 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
5525 RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
5526 RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);