net/hns3: report Rx drop packets enable configuration
[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         bool pvid_en_state_change;
909         uint16_t pvid_state;
910         int ret;
911
912         if (pvid > RTE_ETHER_MAX_VLAN_ID) {
913                 hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
914                          RTE_ETHER_MAX_VLAN_ID);
915                 return -EINVAL;
916         }
917
918         /*
919          * If PVID configuration state change, should refresh the PVID
920          * configuration state in struct hns3_tx_queue/hns3_rx_queue.
921          */
922         pvid_state = hw->port_base_vlan_cfg.state;
923         if ((on && pvid_state == HNS3_PORT_BASE_VLAN_ENABLE) ||
924             (!on && pvid_state == HNS3_PORT_BASE_VLAN_DISABLE))
925                 pvid_en_state_change = false;
926         else
927                 pvid_en_state_change = true;
928
929         rte_spinlock_lock(&hw->lock);
930         ret = hns3_vlan_pvid_configure(hns, pvid, on);
931         rte_spinlock_unlock(&hw->lock);
932         if (ret)
933                 return ret;
934
935         if (pvid_en_state_change)
936                 hns3_update_all_queues_pvid_state(hw);
937
938         return 0;
939 }
940
941 static void
942 init_port_base_vlan_info(struct hns3_hw *hw)
943 {
944         hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
945         hw->port_base_vlan_cfg.pvid = HNS3_INVLID_PVID;
946 }
947
948 static int
949 hns3_default_vlan_config(struct hns3_adapter *hns)
950 {
951         struct hns3_hw *hw = &hns->hw;
952         int ret;
953
954         ret = hns3_set_port_vlan_filter(hns, 0, 1);
955         if (ret)
956                 hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
957         return ret;
958 }
959
960 static int
961 hns3_init_vlan_config(struct hns3_adapter *hns)
962 {
963         struct hns3_hw *hw = &hns->hw;
964         int ret;
965
966         /*
967          * This function can be called in the initialization and reset process,
968          * when in reset process, it means that hardware had been reseted
969          * successfully and we need to restore the hardware configuration to
970          * ensure that the hardware configuration remains unchanged before and
971          * after reset.
972          */
973         if (rte_atomic16_read(&hw->reset.resetting) == 0)
974                 init_port_base_vlan_info(hw);
975
976         ret = hns3_vlan_filter_init(hns);
977         if (ret) {
978                 hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
979                 return ret;
980         }
981
982         ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
983                                        RTE_ETHER_TYPE_VLAN);
984         if (ret) {
985                 hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
986                 return ret;
987         }
988
989         /*
990          * When in the reinit dev stage of the reset process, the following
991          * vlan-related configurations may differ from those at initialization,
992          * we will restore configurations to hardware in hns3_restore_vlan_table
993          * and hns3_restore_vlan_conf later.
994          */
995         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
996                 ret = hns3_vlan_pvid_configure(hns, HNS3_INVLID_PVID, 0);
997                 if (ret) {
998                         hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
999                         return ret;
1000                 }
1001
1002                 ret = hns3_en_hw_strip_rxvtag(hns, false);
1003                 if (ret) {
1004                         hns3_err(hw, "rx strip configure fail in pf, ret =%d",
1005                                  ret);
1006                         return ret;
1007                 }
1008         }
1009
1010         return hns3_default_vlan_config(hns);
1011 }
1012
1013 static int
1014 hns3_restore_vlan_conf(struct hns3_adapter *hns)
1015 {
1016         struct hns3_pf *pf = &hns->pf;
1017         struct hns3_hw *hw = &hns->hw;
1018         uint64_t offloads;
1019         bool enable;
1020         int ret;
1021
1022         if (!hw->data->promiscuous) {
1023                 /* restore vlan filter states */
1024                 offloads = hw->data->dev_conf.rxmode.offloads;
1025                 enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1026                 ret = hns3_enable_vlan_filter(hns, enable);
1027                 if (ret) {
1028                         hns3_err(hw, "failed to restore vlan rx filter conf, "
1029                                  "ret = %d", ret);
1030                         return ret;
1031                 }
1032         }
1033
1034         ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1035         if (ret) {
1036                 hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1037                 return ret;
1038         }
1039
1040         ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1041         if (ret)
1042                 hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1043
1044         return ret;
1045 }
1046
1047 static int
1048 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1049 {
1050         struct hns3_adapter *hns = dev->data->dev_private;
1051         struct rte_eth_dev_data *data = dev->data;
1052         struct rte_eth_txmode *txmode;
1053         struct hns3_hw *hw = &hns->hw;
1054         int mask;
1055         int ret;
1056
1057         txmode = &data->dev_conf.txmode;
1058         if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1059                 hns3_warn(hw,
1060                           "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1061                           "configuration is not supported! Ignore these two "
1062                           "parameters: hw_vlan_reject_tagged(%d), "
1063                           "hw_vlan_reject_untagged(%d)",
1064                           txmode->hw_vlan_reject_tagged,
1065                           txmode->hw_vlan_reject_untagged);
1066
1067         /* Apply vlan offload setting */
1068         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1069         ret = hns3_vlan_offload_set(dev, mask);
1070         if (ret) {
1071                 hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1072                          ret);
1073                 return ret;
1074         }
1075
1076         /*
1077          * If pvid config is not set in rte_eth_conf, driver needn't to set
1078          * VLAN pvid related configuration to hardware.
1079          */
1080         if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1081                 return 0;
1082
1083         /* Apply pvid setting */
1084         ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1085                                  txmode->hw_vlan_insert_pvid);
1086         if (ret)
1087                 hns3_err(hw, "dev config vlan pvid(%d) failed, ret = %d",
1088                          txmode->pvid, ret);
1089
1090         return ret;
1091 }
1092
1093 static int
1094 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1095                 unsigned int tso_mss_max)
1096 {
1097         struct hns3_cfg_tso_status_cmd *req;
1098         struct hns3_cmd_desc desc;
1099         uint16_t tso_mss;
1100
1101         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1102
1103         req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1104
1105         tso_mss = 0;
1106         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1107                        tso_mss_min);
1108         req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1109
1110         tso_mss = 0;
1111         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1112                        tso_mss_max);
1113         req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1114
1115         return hns3_cmd_send(hw, &desc, 1);
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         bool gro_en;
2277         int ret;
2278
2279         /*
2280          * Hardware does not support individually enable/disable/reset the Tx or
2281          * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx
2282          * and Rx queues at the same time. When the numbers of Tx queues
2283          * allocated by upper applications are not equal to the numbers of Rx
2284          * queues, driver needs to setup fake Tx or Rx queues to adjust numbers
2285          * of Tx/Rx queues. otherwise, network engine can not work as usual. But
2286          * these fake queues are imperceptible, and can not be used by upper
2287          * applications.
2288          */
2289         ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2290         if (ret) {
2291                 hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret);
2292                 return ret;
2293         }
2294
2295         hw->adapter_state = HNS3_NIC_CONFIGURING;
2296         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2297                 hns3_err(hw, "setting link speed/duplex not supported");
2298                 ret = -EINVAL;
2299                 goto cfg_err;
2300         }
2301
2302         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2303                 ret = hns3_check_dcb_cfg(dev);
2304                 if (ret)
2305                         goto cfg_err;
2306         }
2307
2308         /* When RSS is not configured, redirect the packet queue 0 */
2309         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2310                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2311                 rss_conf = conf->rx_adv_conf.rss_conf;
2312                 if (rss_conf.rss_key == NULL) {
2313                         rss_conf.rss_key = rss_cfg->key;
2314                         rss_conf.rss_key_len = HNS3_RSS_KEY_SIZE;
2315                 }
2316
2317                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2318                 if (ret)
2319                         goto cfg_err;
2320         }
2321
2322         /*
2323          * If jumbo frames are enabled, MTU needs to be refreshed
2324          * according to the maximum RX packet length.
2325          */
2326         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2327                 /*
2328                  * Security of max_rx_pkt_len is guaranteed in dpdk frame.
2329                  * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
2330                  * can safely assign to "uint16_t" type variable.
2331                  */
2332                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
2333                 ret = hns3_dev_mtu_set(dev, mtu);
2334                 if (ret)
2335                         goto cfg_err;
2336                 dev->data->mtu = mtu;
2337         }
2338
2339         ret = hns3_dev_configure_vlan(dev);
2340         if (ret)
2341                 goto cfg_err;
2342
2343         /* config hardware GRO */
2344         gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
2345         ret = hns3_config_gro(hw, gro_en);
2346         if (ret)
2347                 goto cfg_err;
2348
2349         hw->adapter_state = HNS3_NIC_CONFIGURED;
2350
2351         return 0;
2352
2353 cfg_err:
2354         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2355         hw->adapter_state = HNS3_NIC_INITIALIZED;
2356
2357         return ret;
2358 }
2359
2360 static int
2361 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2362 {
2363         struct hns3_config_max_frm_size_cmd *req;
2364         struct hns3_cmd_desc desc;
2365
2366         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2367
2368         req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2369         req->max_frm_size = rte_cpu_to_le_16(new_mps);
2370         req->min_frm_size = RTE_ETHER_MIN_LEN;
2371
2372         return hns3_cmd_send(hw, &desc, 1);
2373 }
2374
2375 static int
2376 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2377 {
2378         int ret;
2379
2380         ret = hns3_set_mac_mtu(hw, mps);
2381         if (ret) {
2382                 hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2383                 return ret;
2384         }
2385
2386         ret = hns3_buffer_alloc(hw);
2387         if (ret)
2388                 hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2389
2390         return ret;
2391 }
2392
2393 static int
2394 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2395 {
2396         struct hns3_adapter *hns = dev->data->dev_private;
2397         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2398         struct hns3_hw *hw = &hns->hw;
2399         bool is_jumbo_frame;
2400         int ret;
2401
2402         if (dev->data->dev_started) {
2403                 hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2404                          "before configuration", dev->data->port_id);
2405                 return -EBUSY;
2406         }
2407
2408         rte_spinlock_lock(&hw->lock);
2409         is_jumbo_frame = frame_size > RTE_ETHER_MAX_LEN ? true : false;
2410         frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2411
2412         /*
2413          * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2414          * assign to "uint16_t" type variable.
2415          */
2416         ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2417         if (ret) {
2418                 rte_spinlock_unlock(&hw->lock);
2419                 hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2420                          dev->data->port_id, mtu, ret);
2421                 return ret;
2422         }
2423         hns->pf.mps = (uint16_t)frame_size;
2424         if (is_jumbo_frame)
2425                 dev->data->dev_conf.rxmode.offloads |=
2426                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
2427         else
2428                 dev->data->dev_conf.rxmode.offloads &=
2429                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2430         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2431         rte_spinlock_unlock(&hw->lock);
2432
2433         return 0;
2434 }
2435
2436 static int
2437 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2438 {
2439         struct hns3_adapter *hns = eth_dev->data->dev_private;
2440         struct hns3_hw *hw = &hns->hw;
2441         uint16_t queue_num = hw->tqps_num;
2442
2443         /*
2444          * In interrupt mode, 'max_rx_queues' is set based on the number of
2445          * MSI-X interrupt resources of the hardware.
2446          */
2447         if (hw->data->dev_conf.intr_conf.rxq == 1)
2448                 queue_num = hw->intr_tqps_num;
2449
2450         info->max_rx_queues = queue_num;
2451         info->max_tx_queues = hw->tqps_num;
2452         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2453         info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
2454         info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2455         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2456         info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
2457         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2458                                  DEV_RX_OFFLOAD_TCP_CKSUM |
2459                                  DEV_RX_OFFLOAD_UDP_CKSUM |
2460                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
2461                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2462                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2463                                  DEV_RX_OFFLOAD_KEEP_CRC |
2464                                  DEV_RX_OFFLOAD_SCATTER |
2465                                  DEV_RX_OFFLOAD_VLAN_STRIP |
2466                                  DEV_RX_OFFLOAD_VLAN_FILTER |
2467                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
2468                                  DEV_RX_OFFLOAD_RSS_HASH |
2469                                  DEV_RX_OFFLOAD_TCP_LRO);
2470         info->tx_queue_offload_capa = DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2471         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2472                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
2473                                  DEV_TX_OFFLOAD_TCP_CKSUM |
2474                                  DEV_TX_OFFLOAD_UDP_CKSUM |
2475                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
2476                                  DEV_TX_OFFLOAD_MULTI_SEGS |
2477                                  DEV_TX_OFFLOAD_TCP_TSO |
2478                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2479                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
2480                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2481                                  info->tx_queue_offload_capa |
2482                                  hns3_txvlan_cap_get(hw));
2483
2484         info->rx_desc_lim = (struct rte_eth_desc_lim) {
2485                 .nb_max = HNS3_MAX_RING_DESC,
2486                 .nb_min = HNS3_MIN_RING_DESC,
2487                 .nb_align = HNS3_ALIGN_RING_DESC,
2488         };
2489
2490         info->tx_desc_lim = (struct rte_eth_desc_lim) {
2491                 .nb_max = HNS3_MAX_RING_DESC,
2492                 .nb_min = HNS3_MIN_RING_DESC,
2493                 .nb_align = HNS3_ALIGN_RING_DESC,
2494                 .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
2495                 .nb_mtu_seg_max = HNS3_MAX_NON_TSO_BD_PER_PKT,
2496         };
2497
2498         info->default_rxconf = (struct rte_eth_rxconf) {
2499                 /*
2500                  * If there are no available Rx buffer descriptors, incoming
2501                  * packets are always dropped by hardware based on hns3 network
2502                  * engine.
2503                  */
2504                 .rx_drop_en = 1,
2505         };
2506
2507         info->vmdq_queue_num = 0;
2508
2509         info->reta_size = HNS3_RSS_IND_TBL_SIZE;
2510         info->hash_key_size = HNS3_RSS_KEY_SIZE;
2511         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2512
2513         info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2514         info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2515         info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2516         info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2517         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2518         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2519
2520         return 0;
2521 }
2522
2523 static int
2524 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2525                     size_t fw_size)
2526 {
2527         struct hns3_adapter *hns = eth_dev->data->dev_private;
2528         struct hns3_hw *hw = &hns->hw;
2529         uint32_t version = hw->fw_version;
2530         int ret;
2531
2532         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2533                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2534                                       HNS3_FW_VERSION_BYTE3_S),
2535                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2536                                       HNS3_FW_VERSION_BYTE2_S),
2537                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2538                                       HNS3_FW_VERSION_BYTE1_S),
2539                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2540                                       HNS3_FW_VERSION_BYTE0_S));
2541         ret += 1; /* add the size of '\0' */
2542         if (fw_size < (uint32_t)ret)
2543                 return ret;
2544         else
2545                 return 0;
2546 }
2547
2548 static int
2549 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2550                      __rte_unused int wait_to_complete)
2551 {
2552         struct hns3_adapter *hns = eth_dev->data->dev_private;
2553         struct hns3_hw *hw = &hns->hw;
2554         struct hns3_mac *mac = &hw->mac;
2555         struct rte_eth_link new_link;
2556
2557         if (!hns3_is_reset_pending(hns)) {
2558                 hns3_update_speed_duplex(eth_dev);
2559                 hns3_update_link_status(hw);
2560         }
2561
2562         memset(&new_link, 0, sizeof(new_link));
2563         switch (mac->link_speed) {
2564         case ETH_SPEED_NUM_10M:
2565         case ETH_SPEED_NUM_100M:
2566         case ETH_SPEED_NUM_1G:
2567         case ETH_SPEED_NUM_10G:
2568         case ETH_SPEED_NUM_25G:
2569         case ETH_SPEED_NUM_40G:
2570         case ETH_SPEED_NUM_50G:
2571         case ETH_SPEED_NUM_100G:
2572         case ETH_SPEED_NUM_200G:
2573                 new_link.link_speed = mac->link_speed;
2574                 break;
2575         default:
2576                 new_link.link_speed = ETH_SPEED_NUM_100M;
2577                 break;
2578         }
2579
2580         new_link.link_duplex = mac->link_duplex;
2581         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2582         new_link.link_autoneg =
2583             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2584
2585         return rte_eth_linkstatus_set(eth_dev, &new_link);
2586 }
2587
2588 static int
2589 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2590 {
2591         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2592         struct hns3_pf *pf = &hns->pf;
2593
2594         if (!(status->pf_state & HNS3_PF_STATE_DONE))
2595                 return -EINVAL;
2596
2597         pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2598
2599         return 0;
2600 }
2601
2602 static int
2603 hns3_query_function_status(struct hns3_hw *hw)
2604 {
2605 #define HNS3_QUERY_MAX_CNT              10
2606 #define HNS3_QUERY_SLEEP_MSCOEND        1
2607         struct hns3_func_status_cmd *req;
2608         struct hns3_cmd_desc desc;
2609         int timeout = 0;
2610         int ret;
2611
2612         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2613         req = (struct hns3_func_status_cmd *)desc.data;
2614
2615         do {
2616                 ret = hns3_cmd_send(hw, &desc, 1);
2617                 if (ret) {
2618                         PMD_INIT_LOG(ERR, "query function status failed %d",
2619                                      ret);
2620                         return ret;
2621                 }
2622
2623                 /* Check pf reset is done */
2624                 if (req->pf_state)
2625                         break;
2626
2627                 rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2628         } while (timeout++ < HNS3_QUERY_MAX_CNT);
2629
2630         return hns3_parse_func_status(hw, req);
2631 }
2632
2633 static int
2634 hns3_query_pf_resource(struct hns3_hw *hw)
2635 {
2636         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2637         struct hns3_pf *pf = &hns->pf;
2638         struct hns3_pf_res_cmd *req;
2639         struct hns3_cmd_desc desc;
2640         int ret;
2641
2642         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2643         ret = hns3_cmd_send(hw, &desc, 1);
2644         if (ret) {
2645                 PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2646                 return ret;
2647         }
2648
2649         req = (struct hns3_pf_res_cmd *)desc.data;
2650         hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num);
2651         pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2652         hw->tqps_num = RTE_MIN(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2653         pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2654
2655         if (req->tx_buf_size)
2656                 pf->tx_buf_size =
2657                     rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2658         else
2659                 pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2660
2661         pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2662
2663         if (req->dv_buf_size)
2664                 pf->dv_buf_size =
2665                     rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2666         else
2667                 pf->dv_buf_size = HNS3_DEFAULT_DV;
2668
2669         pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2670
2671         hw->num_msi =
2672             hns3_get_field(rte_le_to_cpu_16(req->pf_intr_vector_number),
2673                            HNS3_VEC_NUM_M, HNS3_VEC_NUM_S);
2674
2675         return 0;
2676 }
2677
2678 static void
2679 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2680 {
2681         struct hns3_cfg_param_cmd *req;
2682         uint64_t mac_addr_tmp_high;
2683         uint64_t mac_addr_tmp;
2684         uint32_t i;
2685
2686         req = (struct hns3_cfg_param_cmd *)desc[0].data;
2687
2688         /* get the configuration */
2689         cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2690                                              HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2691         cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2692                                      HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2693         cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2694                                            HNS3_CFG_TQP_DESC_N_M,
2695                                            HNS3_CFG_TQP_DESC_N_S);
2696
2697         cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2698                                        HNS3_CFG_PHY_ADDR_M,
2699                                        HNS3_CFG_PHY_ADDR_S);
2700         cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2701                                          HNS3_CFG_MEDIA_TP_M,
2702                                          HNS3_CFG_MEDIA_TP_S);
2703         cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2704                                          HNS3_CFG_RX_BUF_LEN_M,
2705                                          HNS3_CFG_RX_BUF_LEN_S);
2706         /* get mac address */
2707         mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2708         mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2709                                            HNS3_CFG_MAC_ADDR_H_M,
2710                                            HNS3_CFG_MAC_ADDR_H_S);
2711
2712         mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2713
2714         cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2715                                             HNS3_CFG_DEFAULT_SPEED_M,
2716                                             HNS3_CFG_DEFAULT_SPEED_S);
2717         cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2718                                            HNS3_CFG_RSS_SIZE_M,
2719                                            HNS3_CFG_RSS_SIZE_S);
2720
2721         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2722                 cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2723
2724         req = (struct hns3_cfg_param_cmd *)desc[1].data;
2725         cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2726
2727         cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2728                                             HNS3_CFG_SPEED_ABILITY_M,
2729                                             HNS3_CFG_SPEED_ABILITY_S);
2730         cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2731                                         HNS3_CFG_UMV_TBL_SPACE_M,
2732                                         HNS3_CFG_UMV_TBL_SPACE_S);
2733         if (!cfg->umv_space)
2734                 cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2735 }
2736
2737 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2738  * @hw: pointer to struct hns3_hw
2739  * @hcfg: the config structure to be getted
2740  */
2741 static int
2742 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2743 {
2744         struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2745         struct hns3_cfg_param_cmd *req;
2746         uint32_t offset;
2747         uint32_t i;
2748         int ret;
2749
2750         for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2751                 offset = 0;
2752                 req = (struct hns3_cfg_param_cmd *)desc[i].data;
2753                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2754                                           true);
2755                 hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2756                                i * HNS3_CFG_RD_LEN_BYTES);
2757                 /* Len should be divided by 4 when send to hardware */
2758                 hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2759                                HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2760                 req->offset = rte_cpu_to_le_32(offset);
2761         }
2762
2763         ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2764         if (ret) {
2765                 PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2766                 return ret;
2767         }
2768
2769         hns3_parse_cfg(hcfg, desc);
2770
2771         return 0;
2772 }
2773
2774 static int
2775 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2776 {
2777         switch (speed_cmd) {
2778         case HNS3_CFG_SPEED_10M:
2779                 *speed = ETH_SPEED_NUM_10M;
2780                 break;
2781         case HNS3_CFG_SPEED_100M:
2782                 *speed = ETH_SPEED_NUM_100M;
2783                 break;
2784         case HNS3_CFG_SPEED_1G:
2785                 *speed = ETH_SPEED_NUM_1G;
2786                 break;
2787         case HNS3_CFG_SPEED_10G:
2788                 *speed = ETH_SPEED_NUM_10G;
2789                 break;
2790         case HNS3_CFG_SPEED_25G:
2791                 *speed = ETH_SPEED_NUM_25G;
2792                 break;
2793         case HNS3_CFG_SPEED_40G:
2794                 *speed = ETH_SPEED_NUM_40G;
2795                 break;
2796         case HNS3_CFG_SPEED_50G:
2797                 *speed = ETH_SPEED_NUM_50G;
2798                 break;
2799         case HNS3_CFG_SPEED_100G:
2800                 *speed = ETH_SPEED_NUM_100G;
2801                 break;
2802         case HNS3_CFG_SPEED_200G:
2803                 *speed = ETH_SPEED_NUM_200G;
2804                 break;
2805         default:
2806                 return -EINVAL;
2807         }
2808
2809         return 0;
2810 }
2811
2812 static int
2813 hns3_get_capability(struct hns3_hw *hw)
2814 {
2815         struct rte_pci_device *pci_dev;
2816         struct rte_eth_dev *eth_dev;
2817         uint16_t device_id;
2818         uint8_t revision;
2819         int ret;
2820
2821         eth_dev = &rte_eth_devices[hw->data->port_id];
2822         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2823         device_id = pci_dev->id.device_id;
2824
2825         if (device_id == HNS3_DEV_ID_25GE_RDMA ||
2826             device_id == HNS3_DEV_ID_50GE_RDMA ||
2827             device_id == HNS3_DEV_ID_100G_RDMA_MACSEC ||
2828             device_id == HNS3_DEV_ID_200G_RDMA)
2829                 hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
2830
2831         /* Get PCI revision id */
2832         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
2833                                   HNS3_PCI_REVISION_ID);
2834         if (ret != HNS3_PCI_REVISION_ID_LEN) {
2835                 PMD_INIT_LOG(ERR, "failed to read pci revision id: %d", ret);
2836                 return -EIO;
2837         }
2838         hw->revision = revision;
2839
2840         if (revision >= PCI_REVISION_ID_HIP09_A)
2841                 hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_COPPER_B, 1);
2842
2843         return 0;
2844 }
2845
2846 static int
2847 hns3_get_board_configuration(struct hns3_hw *hw)
2848 {
2849         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2850         struct hns3_pf *pf = &hns->pf;
2851         struct hns3_cfg cfg;
2852         int ret;
2853
2854         ret = hns3_get_board_cfg(hw, &cfg);
2855         if (ret) {
2856                 PMD_INIT_LOG(ERR, "get board config failed %d", ret);
2857                 return ret;
2858         }
2859
2860         if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER &&
2861             !hns3_dev_copper_supported(hw)) {
2862                 PMD_INIT_LOG(ERR, "media type is copper, not supported.");
2863                 return -EOPNOTSUPP;
2864         }
2865
2866         hw->mac.media_type = cfg.media_type;
2867         hw->rss_size_max = cfg.rss_size_max;
2868         hw->rss_dis_flag = false;
2869         memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
2870         hw->mac.phy_addr = cfg.phy_addr;
2871         hw->mac.default_addr_setted = false;
2872         hw->num_tx_desc = cfg.tqp_desc_num;
2873         hw->num_rx_desc = cfg.tqp_desc_num;
2874         hw->dcb_info.num_pg = 1;
2875         hw->dcb_info.hw_pfc_map = 0;
2876
2877         ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
2878         if (ret) {
2879                 PMD_INIT_LOG(ERR, "Get wrong speed %d, ret = %d",
2880                              cfg.default_speed, ret);
2881                 return ret;
2882         }
2883
2884         pf->tc_max = cfg.tc_num;
2885         if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
2886                 PMD_INIT_LOG(WARNING,
2887                              "Get TC num(%u) from flash, set TC num to 1",
2888                              pf->tc_max);
2889                 pf->tc_max = 1;
2890         }
2891
2892         /* Dev does not support DCB */
2893         if (!hns3_dev_dcb_supported(hw)) {
2894                 pf->tc_max = 1;
2895                 pf->pfc_max = 0;
2896         } else
2897                 pf->pfc_max = pf->tc_max;
2898
2899         hw->dcb_info.num_tc = 1;
2900         hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
2901                                      hw->tqps_num / hw->dcb_info.num_tc);
2902         hns3_set_bit(hw->hw_tc_map, 0, 1);
2903         pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
2904
2905         pf->wanted_umv_size = cfg.umv_space;
2906
2907         return ret;
2908 }
2909
2910 static int
2911 hns3_get_configuration(struct hns3_hw *hw)
2912 {
2913         int ret;
2914
2915         ret = hns3_query_function_status(hw);
2916         if (ret) {
2917                 PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
2918                 return ret;
2919         }
2920
2921         /* Get device capability */
2922         ret = hns3_get_capability(hw);
2923         if (ret) {
2924                 PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
2925                 return ret;
2926         }
2927
2928         /* Get pf resource */
2929         ret = hns3_query_pf_resource(hw);
2930         if (ret) {
2931                 PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
2932                 return ret;
2933         }
2934
2935         ret = hns3_get_board_configuration(hw);
2936         if (ret)
2937                 PMD_INIT_LOG(ERR, "Failed to get board configuration: %d", ret);
2938
2939         return ret;
2940 }
2941
2942 static int
2943 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
2944                       uint16_t tqp_vid, bool is_pf)
2945 {
2946         struct hns3_tqp_map_cmd *req;
2947         struct hns3_cmd_desc desc;
2948         int ret;
2949
2950         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
2951
2952         req = (struct hns3_tqp_map_cmd *)desc.data;
2953         req->tqp_id = rte_cpu_to_le_16(tqp_pid);
2954         req->tqp_vf = func_id;
2955         req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
2956         if (!is_pf)
2957                 req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
2958         req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
2959
2960         ret = hns3_cmd_send(hw, &desc, 1);
2961         if (ret)
2962                 PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
2963
2964         return ret;
2965 }
2966
2967 static int
2968 hns3_map_tqp(struct hns3_hw *hw)
2969 {
2970         uint16_t tqps_num = hw->total_tqps_num;
2971         uint16_t func_id;
2972         uint16_t tqp_id;
2973         bool is_pf;
2974         int num;
2975         int ret;
2976         int i;
2977
2978         /*
2979          * In current version VF is not supported when PF is driven by DPDK
2980          * driver, so we allocate tqps to PF as much as possible.
2981          */
2982         tqp_id = 0;
2983         num = DIV_ROUND_UP(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
2984         for (func_id = HNS3_PF_FUNC_ID; func_id < num; func_id++) {
2985                 is_pf = func_id == HNS3_PF_FUNC_ID ? true : false;
2986                 for (i = 0;
2987                      i < HNS3_MAX_TQP_NUM_PER_FUNC && tqp_id < tqps_num; i++) {
2988                         ret = hns3_map_tqps_to_func(hw, func_id, tqp_id++, i,
2989                                                     is_pf);
2990                         if (ret)
2991                                 return ret;
2992                 }
2993         }
2994
2995         return 0;
2996 }
2997
2998 static int
2999 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
3000 {
3001         struct hns3_config_mac_speed_dup_cmd *req;
3002         struct hns3_cmd_desc desc;
3003         int ret;
3004
3005         req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
3006
3007         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
3008
3009         hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
3010
3011         switch (speed) {
3012         case ETH_SPEED_NUM_10M:
3013                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3014                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
3015                 break;
3016         case ETH_SPEED_NUM_100M:
3017                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3018                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
3019                 break;
3020         case ETH_SPEED_NUM_1G:
3021                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3022                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
3023                 break;
3024         case ETH_SPEED_NUM_10G:
3025                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3026                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
3027                 break;
3028         case ETH_SPEED_NUM_25G:
3029                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3030                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
3031                 break;
3032         case ETH_SPEED_NUM_40G:
3033                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3034                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
3035                 break;
3036         case ETH_SPEED_NUM_50G:
3037                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3038                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
3039                 break;
3040         case ETH_SPEED_NUM_100G:
3041                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3042                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
3043                 break;
3044         case ETH_SPEED_NUM_200G:
3045                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3046                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_200G);
3047                 break;
3048         default:
3049                 PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
3050                 return -EINVAL;
3051         }
3052
3053         hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
3054
3055         ret = hns3_cmd_send(hw, &desc, 1);
3056         if (ret)
3057                 PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
3058
3059         return ret;
3060 }
3061
3062 static int
3063 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3064 {
3065         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3066         struct hns3_pf *pf = &hns->pf;
3067         struct hns3_priv_buf *priv;
3068         uint32_t i, total_size;
3069
3070         total_size = pf->pkt_buf_size;
3071
3072         /* alloc tx buffer for all enabled tc */
3073         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3074                 priv = &buf_alloc->priv_buf[i];
3075
3076                 if (hw->hw_tc_map & BIT(i)) {
3077                         if (total_size < pf->tx_buf_size)
3078                                 return -ENOMEM;
3079
3080                         priv->tx_buf_size = pf->tx_buf_size;
3081                 } else
3082                         priv->tx_buf_size = 0;
3083
3084                 total_size -= priv->tx_buf_size;
3085         }
3086
3087         return 0;
3088 }
3089
3090 static int
3091 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3092 {
3093 /* TX buffer size is unit by 128 byte */
3094 #define HNS3_BUF_SIZE_UNIT_SHIFT        7
3095 #define HNS3_BUF_SIZE_UPDATE_EN_MSK     BIT(15)
3096         struct hns3_tx_buff_alloc_cmd *req;
3097         struct hns3_cmd_desc desc;
3098         uint32_t buf_size;
3099         uint32_t i;
3100         int ret;
3101
3102         req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3103
3104         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3105         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3106                 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3107
3108                 buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3109                 req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3110                                                 HNS3_BUF_SIZE_UPDATE_EN_MSK);
3111         }
3112
3113         ret = hns3_cmd_send(hw, &desc, 1);
3114         if (ret)
3115                 PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3116
3117         return ret;
3118 }
3119
3120 static int
3121 hns3_get_tc_num(struct hns3_hw *hw)
3122 {
3123         int cnt = 0;
3124         uint8_t i;
3125
3126         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3127                 if (hw->hw_tc_map & BIT(i))
3128                         cnt++;
3129         return cnt;
3130 }
3131
3132 static uint32_t
3133 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3134 {
3135         struct hns3_priv_buf *priv;
3136         uint32_t rx_priv = 0;
3137         int i;
3138
3139         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3140                 priv = &buf_alloc->priv_buf[i];
3141                 if (priv->enable)
3142                         rx_priv += priv->buf_size;
3143         }
3144         return rx_priv;
3145 }
3146
3147 static uint32_t
3148 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3149 {
3150         uint32_t total_tx_size = 0;
3151         uint32_t i;
3152
3153         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3154                 total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3155
3156         return total_tx_size;
3157 }
3158
3159 /* Get the number of pfc enabled TCs, which have private buffer */
3160 static int
3161 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3162 {
3163         struct hns3_priv_buf *priv;
3164         int cnt = 0;
3165         uint8_t i;
3166
3167         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3168                 priv = &buf_alloc->priv_buf[i];
3169                 if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3170                         cnt++;
3171         }
3172
3173         return cnt;
3174 }
3175
3176 /* Get the number of pfc disabled TCs, which have private buffer */
3177 static int
3178 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3179                          struct hns3_pkt_buf_alloc *buf_alloc)
3180 {
3181         struct hns3_priv_buf *priv;
3182         int cnt = 0;
3183         uint8_t i;
3184
3185         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3186                 priv = &buf_alloc->priv_buf[i];
3187                 if (hw->hw_tc_map & BIT(i) &&
3188                     !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3189                         cnt++;
3190         }
3191
3192         return cnt;
3193 }
3194
3195 static bool
3196 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3197                   uint32_t rx_all)
3198 {
3199         uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3200         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3201         struct hns3_pf *pf = &hns->pf;
3202         uint32_t shared_buf, aligned_mps;
3203         uint32_t rx_priv;
3204         uint8_t tc_num;
3205         uint8_t i;
3206
3207         tc_num = hns3_get_tc_num(hw);
3208         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3209
3210         if (hns3_dev_dcb_supported(hw))
3211                 shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3212                                         pf->dv_buf_size;
3213         else
3214                 shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3215                                         + pf->dv_buf_size;
3216
3217         shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3218         shared_std = roundup(max_t(uint32_t, shared_buf_min, shared_buf_tc),
3219                              HNS3_BUF_SIZE_UNIT);
3220
3221         rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3222         if (rx_all < rx_priv + shared_std)
3223                 return false;
3224
3225         shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3226         buf_alloc->s_buf.buf_size = shared_buf;
3227         if (hns3_dev_dcb_supported(hw)) {
3228                 buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3229                 buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3230                         - roundup(aligned_mps / HNS3_BUF_DIV_BY,
3231                                   HNS3_BUF_SIZE_UNIT);
3232         } else {
3233                 buf_alloc->s_buf.self.high =
3234                         aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3235                 buf_alloc->s_buf.self.low = aligned_mps;
3236         }
3237
3238         if (hns3_dev_dcb_supported(hw)) {
3239                 hi_thrd = shared_buf - pf->dv_buf_size;
3240
3241                 if (tc_num <= NEED_RESERVE_TC_NUM)
3242                         hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
3243                                         / BUF_MAX_PERCENT;
3244
3245                 if (tc_num)
3246                         hi_thrd = hi_thrd / tc_num;
3247
3248                 hi_thrd = max_t(uint32_t, hi_thrd,
3249                                 HNS3_BUF_MUL_BY * aligned_mps);
3250                 hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3251                 lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3252         } else {
3253                 hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3254                 lo_thrd = aligned_mps;
3255         }
3256
3257         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3258                 buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3259                 buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3260         }
3261
3262         return true;
3263 }
3264
3265 static bool
3266 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3267                      struct hns3_pkt_buf_alloc *buf_alloc)
3268 {
3269         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3270         struct hns3_pf *pf = &hns->pf;
3271         struct hns3_priv_buf *priv;
3272         uint32_t aligned_mps;
3273         uint32_t rx_all;
3274         uint8_t i;
3275
3276         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3277         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3278
3279         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3280                 priv = &buf_alloc->priv_buf[i];
3281
3282                 priv->enable = 0;
3283                 priv->wl.low = 0;
3284                 priv->wl.high = 0;
3285                 priv->buf_size = 0;
3286
3287                 if (!(hw->hw_tc_map & BIT(i)))
3288                         continue;
3289
3290                 priv->enable = 1;
3291                 if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3292                         priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3293                         priv->wl.high = roundup(priv->wl.low + aligned_mps,
3294                                                 HNS3_BUF_SIZE_UNIT);
3295                 } else {
3296                         priv->wl.low = 0;
3297                         priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3298                                         aligned_mps;
3299                 }
3300
3301                 priv->buf_size = priv->wl.high + pf->dv_buf_size;
3302         }
3303
3304         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3305 }
3306
3307 static bool
3308 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3309                              struct hns3_pkt_buf_alloc *buf_alloc)
3310 {
3311         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3312         struct hns3_pf *pf = &hns->pf;
3313         struct hns3_priv_buf *priv;
3314         int no_pfc_priv_num;
3315         uint32_t rx_all;
3316         uint8_t mask;
3317         int i;
3318
3319         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3320         no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3321
3322         /* let the last to be cleared first */
3323         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3324                 priv = &buf_alloc->priv_buf[i];
3325                 mask = BIT((uint8_t)i);
3326
3327                 if (hw->hw_tc_map & mask &&
3328                     !(hw->dcb_info.hw_pfc_map & mask)) {
3329                         /* Clear the no pfc TC private buffer */
3330                         priv->wl.low = 0;
3331                         priv->wl.high = 0;
3332                         priv->buf_size = 0;
3333                         priv->enable = 0;
3334                         no_pfc_priv_num--;
3335                 }
3336
3337                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3338                     no_pfc_priv_num == 0)
3339                         break;
3340         }
3341
3342         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3343 }
3344
3345 static bool
3346 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3347                            struct hns3_pkt_buf_alloc *buf_alloc)
3348 {
3349         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3350         struct hns3_pf *pf = &hns->pf;
3351         struct hns3_priv_buf *priv;
3352         uint32_t rx_all;
3353         int pfc_priv_num;
3354         uint8_t mask;
3355         int i;
3356
3357         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3358         pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3359
3360         /* let the last to be cleared first */
3361         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3362                 priv = &buf_alloc->priv_buf[i];
3363                 mask = BIT((uint8_t)i);
3364
3365                 if (hw->hw_tc_map & mask &&
3366                     hw->dcb_info.hw_pfc_map & mask) {
3367                         /* Reduce the number of pfc TC with private buffer */
3368                         priv->wl.low = 0;
3369                         priv->enable = 0;
3370                         priv->wl.high = 0;
3371                         priv->buf_size = 0;
3372                         pfc_priv_num--;
3373                 }
3374                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3375                     pfc_priv_num == 0)
3376                         break;
3377         }
3378
3379         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3380 }
3381
3382 static bool
3383 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3384                           struct hns3_pkt_buf_alloc *buf_alloc)
3385 {
3386 #define COMPENSATE_BUFFER       0x3C00
3387 #define COMPENSATE_HALF_MPS_NUM 5
3388 #define PRIV_WL_GAP             0x1800
3389         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3390         struct hns3_pf *pf = &hns->pf;
3391         uint32_t tc_num = hns3_get_tc_num(hw);
3392         uint32_t half_mps = pf->mps >> 1;
3393         struct hns3_priv_buf *priv;
3394         uint32_t min_rx_priv;
3395         uint32_t rx_priv;
3396         uint8_t i;
3397
3398         rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3399         if (tc_num)
3400                 rx_priv = rx_priv / tc_num;
3401
3402         if (tc_num <= NEED_RESERVE_TC_NUM)
3403                 rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3404
3405         /*
3406          * Minimum value of private buffer in rx direction (min_rx_priv) is
3407          * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3408          * buffer if rx_priv is greater than min_rx_priv.
3409          */
3410         min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3411                         COMPENSATE_HALF_MPS_NUM * half_mps;
3412         min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3413         rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3414
3415         if (rx_priv < min_rx_priv)
3416                 return false;
3417
3418         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3419                 priv = &buf_alloc->priv_buf[i];
3420
3421                 priv->enable = 0;
3422                 priv->wl.low = 0;
3423                 priv->wl.high = 0;
3424                 priv->buf_size = 0;
3425
3426                 if (!(hw->hw_tc_map & BIT(i)))
3427                         continue;
3428
3429                 priv->enable = 1;
3430                 priv->buf_size = rx_priv;
3431                 priv->wl.high = rx_priv - pf->dv_buf_size;
3432                 priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3433         }
3434
3435         buf_alloc->s_buf.buf_size = 0;
3436
3437         return true;
3438 }
3439
3440 /*
3441  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3442  * @hw: pointer to struct hns3_hw
3443  * @buf_alloc: pointer to buffer calculation data
3444  * @return: 0: calculate sucessful, negative: fail
3445  */
3446 static int
3447 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3448 {
3449         /* When DCB is not supported, rx private buffer is not allocated. */
3450         if (!hns3_dev_dcb_supported(hw)) {
3451                 struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3452                 struct hns3_pf *pf = &hns->pf;
3453                 uint32_t rx_all = pf->pkt_buf_size;
3454
3455                 rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3456                 if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3457                         return -ENOMEM;
3458
3459                 return 0;
3460         }
3461
3462         /*
3463          * Try to allocate privated packet buffer for all TCs without share
3464          * buffer.
3465          */
3466         if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3467                 return 0;
3468
3469         /*
3470          * Try to allocate privated packet buffer for all TCs with share
3471          * buffer.
3472          */
3473         if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3474                 return 0;
3475
3476         /*
3477          * For different application scenes, the enabled port number, TC number
3478          * and no_drop TC number are different. In order to obtain the better
3479          * performance, software could allocate the buffer size and configure
3480          * the waterline by tring to decrease the private buffer size according
3481          * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3482          * enabled tc.
3483          */
3484         if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3485                 return 0;
3486
3487         if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3488                 return 0;
3489
3490         if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3491                 return 0;
3492
3493         return -ENOMEM;
3494 }
3495
3496 static int
3497 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3498 {
3499         struct hns3_rx_priv_buff_cmd *req;
3500         struct hns3_cmd_desc desc;
3501         uint32_t buf_size;
3502         int ret;
3503         int i;
3504
3505         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3506         req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3507
3508         /* Alloc private buffer TCs */
3509         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3510                 struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3511
3512                 req->buf_num[i] =
3513                         rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3514                 req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3515         }
3516
3517         buf_size = buf_alloc->s_buf.buf_size;
3518         req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3519                                            (1 << HNS3_TC0_PRI_BUF_EN_B));
3520
3521         ret = hns3_cmd_send(hw, &desc, 1);
3522         if (ret)
3523                 PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3524
3525         return ret;
3526 }
3527
3528 static int
3529 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3530 {
3531 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3532         struct hns3_rx_priv_wl_buf *req;
3533         struct hns3_priv_buf *priv;
3534         struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3535         int i, j;
3536         int ret;
3537
3538         for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3539                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3540                                           false);
3541                 req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3542
3543                 /* The first descriptor set the NEXT bit to 1 */
3544                 if (i == 0)
3545                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3546                 else
3547                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3548
3549                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3550                         uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3551
3552                         priv = &buf_alloc->priv_buf[idx];
3553                         req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3554                                                         HNS3_BUF_UNIT_S);
3555                         req->tc_wl[j].high |=
3556                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3557                         req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3558                                                         HNS3_BUF_UNIT_S);
3559                         req->tc_wl[j].low |=
3560                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3561                 }
3562         }
3563
3564         /* Send 2 descriptor at one time */
3565         ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3566         if (ret)
3567                 PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3568                              ret);
3569         return ret;
3570 }
3571
3572 static int
3573 hns3_common_thrd_config(struct hns3_hw *hw,
3574                         struct hns3_pkt_buf_alloc *buf_alloc)
3575 {
3576 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3577         struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3578         struct hns3_rx_com_thrd *req;
3579         struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3580         struct hns3_tc_thrd *tc;
3581         int tc_idx;
3582         int i, j;
3583         int ret;
3584
3585         for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3586                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3587                                           false);
3588                 req = (struct hns3_rx_com_thrd *)&desc[i].data;
3589
3590                 /* The first descriptor set the NEXT bit to 1 */
3591                 if (i == 0)
3592                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3593                 else
3594                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3595
3596                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3597                         tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3598                         tc = &s_buf->tc_thrd[tc_idx];
3599
3600                         req->com_thrd[j].high =
3601                                 rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3602                         req->com_thrd[j].high |=
3603                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3604                         req->com_thrd[j].low =
3605                                 rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3606                         req->com_thrd[j].low |=
3607                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3608                 }
3609         }
3610
3611         /* Send 2 descriptors at one time */
3612         ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3613         if (ret)
3614                 PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3615
3616         return ret;
3617 }
3618
3619 static int
3620 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3621 {
3622         struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3623         struct hns3_rx_com_wl *req;
3624         struct hns3_cmd_desc desc;
3625         int ret;
3626
3627         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3628
3629         req = (struct hns3_rx_com_wl *)desc.data;
3630         req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3631         req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3632
3633         req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3634         req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3635
3636         ret = hns3_cmd_send(hw, &desc, 1);
3637         if (ret)
3638                 PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3639
3640         return ret;
3641 }
3642
3643 int
3644 hns3_buffer_alloc(struct hns3_hw *hw)
3645 {
3646         struct hns3_pkt_buf_alloc pkt_buf;
3647         int ret;
3648
3649         memset(&pkt_buf, 0, sizeof(pkt_buf));
3650         ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3651         if (ret) {
3652                 PMD_INIT_LOG(ERR,
3653                              "could not calc tx buffer size for all TCs %d",
3654                              ret);
3655                 return ret;
3656         }
3657
3658         ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3659         if (ret) {
3660                 PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3661                 return ret;
3662         }
3663
3664         ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3665         if (ret) {
3666                 PMD_INIT_LOG(ERR,
3667                              "could not calc rx priv buffer size for all TCs %d",
3668                              ret);
3669                 return ret;
3670         }
3671
3672         ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3673         if (ret) {
3674                 PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3675                 return ret;
3676         }
3677
3678         if (hns3_dev_dcb_supported(hw)) {
3679                 ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3680                 if (ret) {
3681                         PMD_INIT_LOG(ERR,
3682                                      "could not configure rx private waterline %d",
3683                                      ret);
3684                         return ret;
3685                 }
3686
3687                 ret = hns3_common_thrd_config(hw, &pkt_buf);
3688                 if (ret) {
3689                         PMD_INIT_LOG(ERR,
3690                                      "could not configure common threshold %d",
3691                                      ret);
3692                         return ret;
3693                 }
3694         }
3695
3696         ret = hns3_common_wl_config(hw, &pkt_buf);
3697         if (ret)
3698                 PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3699                              ret);
3700
3701         return ret;
3702 }
3703
3704 static int
3705 hns3_mac_init(struct hns3_hw *hw)
3706 {
3707         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3708         struct hns3_mac *mac = &hw->mac;
3709         struct hns3_pf *pf = &hns->pf;
3710         int ret;
3711
3712         pf->support_sfp_query = true;
3713         mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3714         ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3715         if (ret) {
3716                 PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3717                 return ret;
3718         }
3719
3720         mac->link_status = ETH_LINK_DOWN;
3721
3722         return hns3_config_mtu(hw, pf->mps);
3723 }
3724
3725 static int
3726 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3727 {
3728 #define HNS3_ETHERTYPE_SUCCESS_ADD              0
3729 #define HNS3_ETHERTYPE_ALREADY_ADD              1
3730 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW         2
3731 #define HNS3_ETHERTYPE_KEY_CONFLICT             3
3732         int return_status;
3733
3734         if (cmdq_resp) {
3735                 PMD_INIT_LOG(ERR,
3736                              "cmdq execute failed for get_mac_ethertype_cmd_status, status=%d.\n",
3737                              cmdq_resp);
3738                 return -EIO;
3739         }
3740
3741         switch (resp_code) {
3742         case HNS3_ETHERTYPE_SUCCESS_ADD:
3743         case HNS3_ETHERTYPE_ALREADY_ADD:
3744                 return_status = 0;
3745                 break;
3746         case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
3747                 PMD_INIT_LOG(ERR,
3748                              "add mac ethertype failed for manager table overflow.");
3749                 return_status = -EIO;
3750                 break;
3751         case HNS3_ETHERTYPE_KEY_CONFLICT:
3752                 PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
3753                 return_status = -EIO;
3754                 break;
3755         default:
3756                 PMD_INIT_LOG(ERR,
3757                              "add mac ethertype failed for undefined, code=%d.",
3758                              resp_code);
3759                 return_status = -EIO;
3760                 break;
3761         }
3762
3763         return return_status;
3764 }
3765
3766 static int
3767 hns3_add_mgr_tbl(struct hns3_hw *hw,
3768                  const struct hns3_mac_mgr_tbl_entry_cmd *req)
3769 {
3770         struct hns3_cmd_desc desc;
3771         uint8_t resp_code;
3772         uint16_t retval;
3773         int ret;
3774
3775         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
3776         memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
3777
3778         ret = hns3_cmd_send(hw, &desc, 1);
3779         if (ret) {
3780                 PMD_INIT_LOG(ERR,
3781                              "add mac ethertype failed for cmd_send, ret =%d.",
3782                              ret);
3783                 return ret;
3784         }
3785
3786         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
3787         retval = rte_le_to_cpu_16(desc.retval);
3788
3789         return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
3790 }
3791
3792 static void
3793 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
3794                      int *table_item_num)
3795 {
3796         struct hns3_mac_mgr_tbl_entry_cmd *tbl;
3797
3798         /*
3799          * In current version, we add one item in management table as below:
3800          * 0x0180C200000E -- LLDP MC address
3801          */
3802         tbl = mgr_table;
3803         tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
3804         tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
3805         tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
3806         tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
3807         tbl->i_port_bitmap = 0x1;
3808         *table_item_num = 1;
3809 }
3810
3811 static int
3812 hns3_init_mgr_tbl(struct hns3_hw *hw)
3813 {
3814 #define HNS_MAC_MGR_TBL_MAX_SIZE        16
3815         struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
3816         int table_item_num;
3817         int ret;
3818         int i;
3819
3820         memset(mgr_table, 0, sizeof(mgr_table));
3821         hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
3822         for (i = 0; i < table_item_num; i++) {
3823                 ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
3824                 if (ret) {
3825                         PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
3826                                      ret);
3827                         return ret;
3828                 }
3829         }
3830
3831         return 0;
3832 }
3833
3834 static void
3835 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
3836                         bool en_mc, bool en_bc, int vport_id)
3837 {
3838         if (!param)
3839                 return;
3840
3841         memset(param, 0, sizeof(struct hns3_promisc_param));
3842         if (en_uc)
3843                 param->enable = HNS3_PROMISC_EN_UC;
3844         if (en_mc)
3845                 param->enable |= HNS3_PROMISC_EN_MC;
3846         if (en_bc)
3847                 param->enable |= HNS3_PROMISC_EN_BC;
3848         param->vf_id = vport_id;
3849 }
3850
3851 static int
3852 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
3853 {
3854         struct hns3_promisc_cfg_cmd *req;
3855         struct hns3_cmd_desc desc;
3856         int ret;
3857
3858         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
3859
3860         req = (struct hns3_promisc_cfg_cmd *)desc.data;
3861         req->vf_id = param->vf_id;
3862         req->flag = (param->enable << HNS3_PROMISC_EN_B) |
3863             HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
3864
3865         ret = hns3_cmd_send(hw, &desc, 1);
3866         if (ret)
3867                 PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
3868
3869         return ret;
3870 }
3871
3872 static int
3873 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
3874 {
3875         struct hns3_promisc_param param;
3876         bool en_bc_pmc = true;
3877         uint8_t vf_id;
3878
3879         /*
3880          * In current version VF is not supported when PF is driven by DPDK
3881          * driver, just need to configure parameters for PF vport.
3882          */
3883         vf_id = HNS3_PF_FUNC_ID;
3884
3885         hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
3886         return hns3_cmd_set_promisc_mode(hw, &param);
3887 }
3888
3889 static int
3890 hns3_promisc_init(struct hns3_hw *hw)
3891 {
3892         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3893         struct hns3_pf *pf = &hns->pf;
3894         struct hns3_promisc_param param;
3895         uint16_t func_id;
3896         int ret;
3897
3898         ret = hns3_set_promisc_mode(hw, false, false);
3899         if (ret) {
3900                 PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
3901                 return ret;
3902         }
3903
3904         /*
3905          * In current version VFs are not supported when PF is driven by DPDK
3906          * driver. After PF has been taken over by DPDK, the original VF will
3907          * be invalid. So, there is a possibility of entry residues. It should
3908          * clear VFs's promisc mode to avoid unnecessary bandwidth usage
3909          * during init.
3910          */
3911         for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
3912                 hns3_promisc_param_init(&param, false, false, false, func_id);
3913                 ret = hns3_cmd_set_promisc_mode(hw, &param);
3914                 if (ret) {
3915                         PMD_INIT_LOG(ERR, "failed to clear vf:%d promisc mode,"
3916                                         " ret = %d", func_id, ret);
3917                         return ret;
3918                 }
3919         }
3920
3921         return 0;
3922 }
3923
3924 static void
3925 hns3_promisc_uninit(struct hns3_hw *hw)
3926 {
3927         struct hns3_promisc_param param;
3928         uint16_t func_id;
3929         int ret;
3930
3931         func_id = HNS3_PF_FUNC_ID;
3932
3933         /*
3934          * In current version VFs are not supported when PF is driven by
3935          * DPDK driver, and VFs' promisc mode status has been cleared during
3936          * init and their status will not change. So just clear PF's promisc
3937          * mode status during uninit.
3938          */
3939         hns3_promisc_param_init(&param, false, false, false, func_id);
3940         ret = hns3_cmd_set_promisc_mode(hw, &param);
3941         if (ret)
3942                 PMD_INIT_LOG(ERR, "failed to clear promisc status during"
3943                                 " uninit, ret = %d", ret);
3944 }
3945
3946 static int
3947 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
3948 {
3949         bool allmulti = dev->data->all_multicast ? true : false;
3950         struct hns3_adapter *hns = dev->data->dev_private;
3951         struct hns3_hw *hw = &hns->hw;
3952         uint64_t offloads;
3953         int err;
3954         int ret;
3955
3956         rte_spinlock_lock(&hw->lock);
3957         ret = hns3_set_promisc_mode(hw, true, true);
3958         if (ret) {
3959                 rte_spinlock_unlock(&hw->lock);
3960                 hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
3961                          ret);
3962                 return ret;
3963         }
3964
3965         /*
3966          * When promiscuous mode was enabled, disable the vlan filter to let
3967          * all packets coming in in the receiving direction.
3968          */
3969         offloads = dev->data->dev_conf.rxmode.offloads;
3970         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
3971                 ret = hns3_enable_vlan_filter(hns, false);
3972                 if (ret) {
3973                         hns3_err(hw, "failed to enable promiscuous mode due to "
3974                                      "failure to disable vlan filter, ret = %d",
3975                                  ret);
3976                         err = hns3_set_promisc_mode(hw, false, allmulti);
3977                         if (err)
3978                                 hns3_err(hw, "failed to restore promiscuous "
3979                                          "status after disable vlan filter "
3980                                          "failed during enabling promiscuous "
3981                                          "mode, ret = %d", ret);
3982                 }
3983         }
3984
3985         rte_spinlock_unlock(&hw->lock);
3986
3987         return ret;
3988 }
3989
3990 static int
3991 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
3992 {
3993         bool allmulti = dev->data->all_multicast ? true : false;
3994         struct hns3_adapter *hns = dev->data->dev_private;
3995         struct hns3_hw *hw = &hns->hw;
3996         uint64_t offloads;
3997         int err;
3998         int ret;
3999
4000         /* If now in all_multicast mode, must remain in all_multicast mode. */
4001         rte_spinlock_lock(&hw->lock);
4002         ret = hns3_set_promisc_mode(hw, false, allmulti);
4003         if (ret) {
4004                 rte_spinlock_unlock(&hw->lock);
4005                 hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
4006                          ret);
4007                 return ret;
4008         }
4009         /* when promiscuous mode was disabled, restore the vlan filter status */
4010         offloads = dev->data->dev_conf.rxmode.offloads;
4011         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4012                 ret = hns3_enable_vlan_filter(hns, true);
4013                 if (ret) {
4014                         hns3_err(hw, "failed to disable promiscuous mode due to"
4015                                  " failure to restore vlan filter, ret = %d",
4016                                  ret);
4017                         err = hns3_set_promisc_mode(hw, true, true);
4018                         if (err)
4019                                 hns3_err(hw, "failed to restore promiscuous "
4020                                          "status after enabling vlan filter "
4021                                          "failed during disabling promiscuous "
4022                                          "mode, ret = %d", ret);
4023                 }
4024         }
4025         rte_spinlock_unlock(&hw->lock);
4026
4027         return ret;
4028 }
4029
4030 static int
4031 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
4032 {
4033         struct hns3_adapter *hns = dev->data->dev_private;
4034         struct hns3_hw *hw = &hns->hw;
4035         int ret;
4036
4037         if (dev->data->promiscuous)
4038                 return 0;
4039
4040         rte_spinlock_lock(&hw->lock);
4041         ret = hns3_set_promisc_mode(hw, false, true);
4042         rte_spinlock_unlock(&hw->lock);
4043         if (ret)
4044                 hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
4045                          ret);
4046
4047         return ret;
4048 }
4049
4050 static int
4051 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
4052 {
4053         struct hns3_adapter *hns = dev->data->dev_private;
4054         struct hns3_hw *hw = &hns->hw;
4055         int ret;
4056
4057         /* If now in promiscuous mode, must remain in all_multicast mode. */
4058         if (dev->data->promiscuous)
4059                 return 0;
4060
4061         rte_spinlock_lock(&hw->lock);
4062         ret = hns3_set_promisc_mode(hw, false, false);
4063         rte_spinlock_unlock(&hw->lock);
4064         if (ret)
4065                 hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
4066                          ret);
4067
4068         return ret;
4069 }
4070
4071 static int
4072 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4073 {
4074         struct hns3_hw *hw = &hns->hw;
4075         bool allmulti = hw->data->all_multicast ? true : false;
4076         int ret;
4077
4078         if (hw->data->promiscuous) {
4079                 ret = hns3_set_promisc_mode(hw, true, true);
4080                 if (ret)
4081                         hns3_err(hw, "failed to restore promiscuous mode, "
4082                                  "ret = %d", ret);
4083                 return ret;
4084         }
4085
4086         ret = hns3_set_promisc_mode(hw, false, allmulti);
4087         if (ret)
4088                 hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4089                          ret);
4090         return ret;
4091 }
4092
4093 static int
4094 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4095 {
4096         struct hns3_sfp_speed_cmd *resp;
4097         struct hns3_cmd_desc desc;
4098         int ret;
4099
4100         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4101         resp = (struct hns3_sfp_speed_cmd *)desc.data;
4102         ret = hns3_cmd_send(hw, &desc, 1);
4103         if (ret == -EOPNOTSUPP) {
4104                 hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4105                 return ret;
4106         } else if (ret) {
4107                 hns3_err(hw, "get sfp speed failed %d", ret);
4108                 return ret;
4109         }
4110
4111         *speed = resp->sfp_speed;
4112
4113         return 0;
4114 }
4115
4116 static uint8_t
4117 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4118 {
4119         if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4120                 duplex = ETH_LINK_FULL_DUPLEX;
4121
4122         return duplex;
4123 }
4124
4125 static int
4126 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4127 {
4128         struct hns3_mac *mac = &hw->mac;
4129         int ret;
4130
4131         duplex = hns3_check_speed_dup(duplex, speed);
4132         if (mac->link_speed == speed && mac->link_duplex == duplex)
4133                 return 0;
4134
4135         ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4136         if (ret)
4137                 return ret;
4138
4139         mac->link_speed = speed;
4140         mac->link_duplex = duplex;
4141
4142         return 0;
4143 }
4144
4145 static int
4146 hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
4147 {
4148         struct hns3_adapter *hns = eth_dev->data->dev_private;
4149         struct hns3_hw *hw = &hns->hw;
4150         struct hns3_pf *pf = &hns->pf;
4151         uint32_t speed;
4152         int ret;
4153
4154         /* If IMP do not support get SFP/qSFP speed, return directly */
4155         if (!pf->support_sfp_query)
4156                 return 0;
4157
4158         ret = hns3_get_sfp_speed(hw, &speed);
4159         if (ret == -EOPNOTSUPP) {
4160                 pf->support_sfp_query = false;
4161                 return ret;
4162         } else if (ret)
4163                 return ret;
4164
4165         if (speed == ETH_SPEED_NUM_NONE)
4166                 return 0; /* do nothing if no SFP */
4167
4168         /* Config full duplex for SFP */
4169         return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4170 }
4171
4172 static int
4173 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4174 {
4175         struct hns3_config_mac_mode_cmd *req;
4176         struct hns3_cmd_desc desc;
4177         uint32_t loop_en = 0;
4178         uint8_t val = 0;
4179         int ret;
4180
4181         req = (struct hns3_config_mac_mode_cmd *)desc.data;
4182
4183         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4184         if (enable)
4185                 val = 1;
4186         hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4187         hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4188         hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4189         hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4190         hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4191         hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4192         hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4193         hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4194         hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4195         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4196
4197         /*
4198          * If DEV_RX_OFFLOAD_KEEP_CRC offload is set, MAC will not strip CRC
4199          * when receiving frames. Otherwise, CRC will be stripped.
4200          */
4201         if (hw->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4202                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, 0);
4203         else
4204                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4205         hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4206         hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4207         hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4208         req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4209
4210         ret = hns3_cmd_send(hw, &desc, 1);
4211         if (ret)
4212                 PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4213
4214         return ret;
4215 }
4216
4217 static int
4218 hns3_get_mac_link_status(struct hns3_hw *hw)
4219 {
4220         struct hns3_link_status_cmd *req;
4221         struct hns3_cmd_desc desc;
4222         int link_status;
4223         int ret;
4224
4225         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4226         ret = hns3_cmd_send(hw, &desc, 1);
4227         if (ret) {
4228                 hns3_err(hw, "get link status cmd failed %d", ret);
4229                 return ETH_LINK_DOWN;
4230         }
4231
4232         req = (struct hns3_link_status_cmd *)desc.data;
4233         link_status = req->status & HNS3_LINK_STATUS_UP_M;
4234
4235         return !!link_status;
4236 }
4237
4238 void
4239 hns3_update_link_status(struct hns3_hw *hw)
4240 {
4241         int state;
4242
4243         state = hns3_get_mac_link_status(hw);
4244         if (state != hw->mac.link_status) {
4245                 hw->mac.link_status = state;
4246                 hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4247         }
4248 }
4249
4250 static void
4251 hns3_service_handler(void *param)
4252 {
4253         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4254         struct hns3_adapter *hns = eth_dev->data->dev_private;
4255         struct hns3_hw *hw = &hns->hw;
4256
4257         if (!hns3_is_reset_pending(hns)) {
4258                 hns3_update_speed_duplex(eth_dev);
4259                 hns3_update_link_status(hw);
4260         } else
4261                 hns3_warn(hw, "Cancel the query when reset is pending");
4262
4263         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4264 }
4265
4266 static int
4267 hns3_init_hardware(struct hns3_adapter *hns)
4268 {
4269         struct hns3_hw *hw = &hns->hw;
4270         int ret;
4271
4272         ret = hns3_map_tqp(hw);
4273         if (ret) {
4274                 PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4275                 return ret;
4276         }
4277
4278         ret = hns3_init_umv_space(hw);
4279         if (ret) {
4280                 PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4281                 return ret;
4282         }
4283
4284         ret = hns3_mac_init(hw);
4285         if (ret) {
4286                 PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4287                 goto err_mac_init;
4288         }
4289
4290         ret = hns3_init_mgr_tbl(hw);
4291         if (ret) {
4292                 PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4293                 goto err_mac_init;
4294         }
4295
4296         ret = hns3_promisc_init(hw);
4297         if (ret) {
4298                 PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4299                              ret);
4300                 goto err_mac_init;
4301         }
4302
4303         ret = hns3_init_vlan_config(hns);
4304         if (ret) {
4305                 PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4306                 goto err_mac_init;
4307         }
4308
4309         ret = hns3_dcb_init(hw);
4310         if (ret) {
4311                 PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4312                 goto err_mac_init;
4313         }
4314
4315         ret = hns3_init_fd_config(hns);
4316         if (ret) {
4317                 PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4318                 goto err_mac_init;
4319         }
4320
4321         ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4322         if (ret) {
4323                 PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4324                 goto err_mac_init;
4325         }
4326
4327         ret = hns3_config_gro(hw, false);
4328         if (ret) {
4329                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4330                 goto err_mac_init;
4331         }
4332
4333         /*
4334          * In the initialization clearing the all hardware mapping relationship
4335          * configurations between queues and interrupt vectors is needed, so
4336          * some error caused by the residual configurations, such as the
4337          * unexpected interrupt, can be avoid.
4338          */
4339         ret = hns3_init_ring_with_vector(hw);
4340         if (ret) {
4341                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4342                 goto err_mac_init;
4343         }
4344
4345         return 0;
4346
4347 err_mac_init:
4348         hns3_uninit_umv_space(hw);
4349         return ret;
4350 }
4351
4352 static int
4353 hns3_clear_hw(struct hns3_hw *hw)
4354 {
4355         struct hns3_cmd_desc desc;
4356         int ret;
4357
4358         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CLEAR_HW_STATE, false);
4359
4360         ret = hns3_cmd_send(hw, &desc, 1);
4361         if (ret && ret != -EOPNOTSUPP)
4362                 return ret;
4363
4364         return 0;
4365 }
4366
4367 static int
4368 hns3_init_pf(struct rte_eth_dev *eth_dev)
4369 {
4370         struct rte_device *dev = eth_dev->device;
4371         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4372         struct hns3_adapter *hns = eth_dev->data->dev_private;
4373         struct hns3_hw *hw = &hns->hw;
4374         int ret;
4375
4376         PMD_INIT_FUNC_TRACE();
4377
4378         /* Get hardware io base address from pcie BAR2 IO space */
4379         hw->io_base = pci_dev->mem_resource[2].addr;
4380
4381         /* Firmware command queue initialize */
4382         ret = hns3_cmd_init_queue(hw);
4383         if (ret) {
4384                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4385                 goto err_cmd_init_queue;
4386         }
4387
4388         hns3_clear_all_event_cause(hw);
4389
4390         /* Firmware command initialize */
4391         ret = hns3_cmd_init(hw);
4392         if (ret) {
4393                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4394                 goto err_cmd_init;
4395         }
4396
4397         /*
4398          * To ensure that the hardware environment is clean during
4399          * initialization, the driver actively clear the hardware environment
4400          * during initialization, including PF and corresponding VFs' vlan, mac,
4401          * flow table configurations, etc.
4402          */
4403         ret = hns3_clear_hw(hw);
4404         if (ret) {
4405                 PMD_INIT_LOG(ERR, "failed to clear hardware: %d", ret);
4406                 goto err_cmd_init;
4407         }
4408
4409         ret = rte_intr_callback_register(&pci_dev->intr_handle,
4410                                          hns3_interrupt_handler,
4411                                          eth_dev);
4412         if (ret) {
4413                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4414                 goto err_intr_callback_register;
4415         }
4416
4417         /* Enable interrupt */
4418         rte_intr_enable(&pci_dev->intr_handle);
4419         hns3_pf_enable_irq0(hw);
4420
4421         /* Get configuration */
4422         ret = hns3_get_configuration(hw);
4423         if (ret) {
4424                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4425                 goto err_get_config;
4426         }
4427
4428         ret = hns3_init_hardware(hns);
4429         if (ret) {
4430                 PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4431                 goto err_get_config;
4432         }
4433
4434         /* Initialize flow director filter list & hash */
4435         ret = hns3_fdir_filter_init(hns);
4436         if (ret) {
4437                 PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4438                 goto err_hw_init;
4439         }
4440
4441         hns3_set_default_rss_args(hw);
4442
4443         ret = hns3_enable_hw_error_intr(hns, true);
4444         if (ret) {
4445                 PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4446                              ret);
4447                 goto err_fdir;
4448         }
4449
4450         return 0;
4451
4452 err_fdir:
4453         hns3_fdir_filter_uninit(hns);
4454 err_hw_init:
4455         hns3_uninit_umv_space(hw);
4456
4457 err_get_config:
4458         hns3_pf_disable_irq0(hw);
4459         rte_intr_disable(&pci_dev->intr_handle);
4460         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4461                              eth_dev);
4462 err_intr_callback_register:
4463 err_cmd_init:
4464         hns3_cmd_uninit(hw);
4465         hns3_cmd_destroy_queue(hw);
4466 err_cmd_init_queue:
4467         hw->io_base = NULL;
4468
4469         return ret;
4470 }
4471
4472 static void
4473 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4474 {
4475         struct hns3_adapter *hns = eth_dev->data->dev_private;
4476         struct rte_device *dev = eth_dev->device;
4477         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4478         struct hns3_hw *hw = &hns->hw;
4479
4480         PMD_INIT_FUNC_TRACE();
4481
4482         hns3_enable_hw_error_intr(hns, false);
4483         hns3_rss_uninit(hns);
4484         (void)hns3_config_gro(hw, false);
4485         hns3_promisc_uninit(hw);
4486         hns3_fdir_filter_uninit(hns);
4487         hns3_uninit_umv_space(hw);
4488         hns3_pf_disable_irq0(hw);
4489         rte_intr_disable(&pci_dev->intr_handle);
4490         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4491                              eth_dev);
4492         hns3_cmd_uninit(hw);
4493         hns3_cmd_destroy_queue(hw);
4494         hw->io_base = NULL;
4495 }
4496
4497 static int
4498 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4499 {
4500         struct hns3_hw *hw = &hns->hw;
4501         int ret;
4502
4503         ret = hns3_dcb_cfg_update(hns);
4504         if (ret)
4505                 return ret;
4506
4507         /* Enable queues */
4508         ret = hns3_start_queues(hns, reset_queue);
4509         if (ret) {
4510                 PMD_INIT_LOG(ERR, "Failed to start queues: %d", ret);
4511                 return ret;
4512         }
4513
4514         /* Enable MAC */
4515         ret = hns3_cfg_mac_mode(hw, true);
4516         if (ret) {
4517                 PMD_INIT_LOG(ERR, "Failed to enable MAC: %d", ret);
4518                 goto err_config_mac_mode;
4519         }
4520         return 0;
4521
4522 err_config_mac_mode:
4523         hns3_stop_queues(hns, true);
4524         return ret;
4525 }
4526
4527 static int
4528 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4529 {
4530         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4531         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4532         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4533         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4534         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4535         uint32_t intr_vector;
4536         uint16_t q_id;
4537         int ret;
4538
4539         if (dev->data->dev_conf.intr_conf.rxq == 0)
4540                 return 0;
4541
4542         /* disable uio/vfio intr/eventfd mapping */
4543         rte_intr_disable(intr_handle);
4544
4545         /* check and configure queue intr-vector mapping */
4546         if (rte_intr_cap_multiple(intr_handle) ||
4547             !RTE_ETH_DEV_SRIOV(dev).active) {
4548                 intr_vector = hw->used_rx_queues;
4549                 /* creates event fd for each intr vector when MSIX is used */
4550                 if (rte_intr_efd_enable(intr_handle, intr_vector))
4551                         return -EINVAL;
4552         }
4553         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
4554                 intr_handle->intr_vec =
4555                         rte_zmalloc("intr_vec",
4556                                     hw->used_rx_queues * sizeof(int), 0);
4557                 if (intr_handle->intr_vec == NULL) {
4558                         hns3_err(hw, "Failed to allocate %d rx_queues"
4559                                      " intr_vec", hw->used_rx_queues);
4560                         ret = -ENOMEM;
4561                         goto alloc_intr_vec_error;
4562                 }
4563         }
4564
4565         if (rte_intr_allow_others(intr_handle)) {
4566                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4567                 base = RTE_INTR_VEC_RXTX_OFFSET;
4568         }
4569         if (rte_intr_dp_is_en(intr_handle)) {
4570                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4571                         ret = hns3_bind_ring_with_vector(hw, vec, true,
4572                                                          HNS3_RING_TYPE_RX,
4573                                                          q_id);
4574                         if (ret)
4575                                 goto bind_vector_error;
4576                         intr_handle->intr_vec[q_id] = vec;
4577                         if (vec < base + intr_handle->nb_efd - 1)
4578                                 vec++;
4579                 }
4580         }
4581         rte_intr_enable(intr_handle);
4582         return 0;
4583
4584 bind_vector_error:
4585         rte_intr_efd_disable(intr_handle);
4586         if (intr_handle->intr_vec) {
4587                 free(intr_handle->intr_vec);
4588                 intr_handle->intr_vec = NULL;
4589         }
4590         return ret;
4591 alloc_intr_vec_error:
4592         rte_intr_efd_disable(intr_handle);
4593         return ret;
4594 }
4595
4596 static int
4597 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4598 {
4599         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4600         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4601         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4602         uint16_t q_id;
4603         int ret;
4604
4605         if (dev->data->dev_conf.intr_conf.rxq == 0)
4606                 return 0;
4607
4608         if (rte_intr_dp_is_en(intr_handle)) {
4609                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4610                         ret = hns3_bind_ring_with_vector(hw,
4611                                         intr_handle->intr_vec[q_id], true,
4612                                         HNS3_RING_TYPE_RX, q_id);
4613                         if (ret)
4614                                 return ret;
4615                 }
4616         }
4617
4618         return 0;
4619 }
4620
4621 static void
4622 hns3_restore_filter(struct rte_eth_dev *dev)
4623 {
4624         hns3_restore_rss_filter(dev);
4625 }
4626
4627 static int
4628 hns3_dev_start(struct rte_eth_dev *dev)
4629 {
4630         struct hns3_adapter *hns = dev->data->dev_private;
4631         struct hns3_hw *hw = &hns->hw;
4632         int ret;
4633
4634         PMD_INIT_FUNC_TRACE();
4635         if (rte_atomic16_read(&hw->reset.resetting))
4636                 return -EBUSY;
4637
4638         rte_spinlock_lock(&hw->lock);
4639         hw->adapter_state = HNS3_NIC_STARTING;
4640
4641         ret = hns3_do_start(hns, true);
4642         if (ret) {
4643                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4644                 rte_spinlock_unlock(&hw->lock);
4645                 return ret;
4646         }
4647         ret = hns3_map_rx_interrupt(dev);
4648         if (ret) {
4649                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4650                 rte_spinlock_unlock(&hw->lock);
4651                 return ret;
4652         }
4653
4654         hw->adapter_state = HNS3_NIC_STARTED;
4655         rte_spinlock_unlock(&hw->lock);
4656
4657         hns3_set_rxtx_function(dev);
4658         hns3_mp_req_start_rxtx(dev);
4659         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
4660
4661         hns3_restore_filter(dev);
4662
4663         /* Enable interrupt of all rx queues before enabling queues */
4664         hns3_dev_all_rx_queue_intr_enable(hw, true);
4665         /*
4666          * When finished the initialization, enable queues to receive/transmit
4667          * packets.
4668          */
4669         hns3_enable_all_queues(hw, true);
4670
4671         hns3_info(hw, "hns3 dev start successful!");
4672         return 0;
4673 }
4674
4675 static int
4676 hns3_do_stop(struct hns3_adapter *hns)
4677 {
4678         struct hns3_hw *hw = &hns->hw;
4679         bool reset_queue;
4680         int ret;
4681
4682         ret = hns3_cfg_mac_mode(hw, false);
4683         if (ret)
4684                 return ret;
4685         hw->mac.link_status = ETH_LINK_DOWN;
4686
4687         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
4688                 hns3_configure_all_mac_addr(hns, true);
4689                 reset_queue = true;
4690         } else
4691                 reset_queue = false;
4692         hw->mac.default_addr_setted = false;
4693         return hns3_stop_queues(hns, reset_queue);
4694 }
4695
4696 static void
4697 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
4698 {
4699         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4700         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4701         struct hns3_adapter *hns = dev->data->dev_private;
4702         struct hns3_hw *hw = &hns->hw;
4703         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4704         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4705         uint16_t q_id;
4706
4707         if (dev->data->dev_conf.intr_conf.rxq == 0)
4708                 return;
4709
4710         /* unmap the ring with vector */
4711         if (rte_intr_allow_others(intr_handle)) {
4712                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4713                 base = RTE_INTR_VEC_RXTX_OFFSET;
4714         }
4715         if (rte_intr_dp_is_en(intr_handle)) {
4716                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4717                         (void)hns3_bind_ring_with_vector(hw, vec, false,
4718                                                          HNS3_RING_TYPE_RX,
4719                                                          q_id);
4720                         if (vec < base + intr_handle->nb_efd - 1)
4721                                 vec++;
4722                 }
4723         }
4724         /* Clean datapath event and queue/vec mapping */
4725         rte_intr_efd_disable(intr_handle);
4726         if (intr_handle->intr_vec) {
4727                 rte_free(intr_handle->intr_vec);
4728                 intr_handle->intr_vec = NULL;
4729         }
4730 }
4731
4732 static void
4733 hns3_dev_stop(struct rte_eth_dev *dev)
4734 {
4735         struct hns3_adapter *hns = dev->data->dev_private;
4736         struct hns3_hw *hw = &hns->hw;
4737
4738         PMD_INIT_FUNC_TRACE();
4739
4740         hw->adapter_state = HNS3_NIC_STOPPING;
4741         hns3_set_rxtx_function(dev);
4742         rte_wmb();
4743         /* Disable datapath on secondary process. */
4744         hns3_mp_req_stop_rxtx(dev);
4745         /* Prevent crashes when queues are still in use. */
4746         rte_delay_ms(hw->tqps_num);
4747
4748         rte_spinlock_lock(&hw->lock);
4749         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
4750                 hns3_do_stop(hns);
4751                 hns3_unmap_rx_interrupt(dev);
4752                 hns3_dev_release_mbufs(hns);
4753                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4754         }
4755         rte_eal_alarm_cancel(hns3_service_handler, dev);
4756         rte_spinlock_unlock(&hw->lock);
4757 }
4758
4759 static void
4760 hns3_dev_close(struct rte_eth_dev *eth_dev)
4761 {
4762         struct hns3_adapter *hns = eth_dev->data->dev_private;
4763         struct hns3_hw *hw = &hns->hw;
4764
4765         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
4766                 rte_free(eth_dev->process_private);
4767                 eth_dev->process_private = NULL;
4768                 return;
4769         }
4770
4771         if (hw->adapter_state == HNS3_NIC_STARTED)
4772                 hns3_dev_stop(eth_dev);
4773
4774         hw->adapter_state = HNS3_NIC_CLOSING;
4775         hns3_reset_abort(hns);
4776         hw->adapter_state = HNS3_NIC_CLOSED;
4777
4778         hns3_configure_all_mc_mac_addr(hns, true);
4779         hns3_remove_all_vlan_table(hns);
4780         hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
4781         hns3_uninit_pf(eth_dev);
4782         hns3_free_all_queues(eth_dev);
4783         rte_free(hw->reset.wait_data);
4784         rte_free(eth_dev->process_private);
4785         eth_dev->process_private = NULL;
4786         hns3_mp_uninit_primary();
4787         hns3_warn(hw, "Close port %d finished", hw->data->port_id);
4788 }
4789
4790 static int
4791 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4792 {
4793         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4794         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4795
4796         fc_conf->pause_time = pf->pause_time;
4797
4798         /* return fc current mode */
4799         switch (hw->current_mode) {
4800         case HNS3_FC_FULL:
4801                 fc_conf->mode = RTE_FC_FULL;
4802                 break;
4803         case HNS3_FC_TX_PAUSE:
4804                 fc_conf->mode = RTE_FC_TX_PAUSE;
4805                 break;
4806         case HNS3_FC_RX_PAUSE:
4807                 fc_conf->mode = RTE_FC_RX_PAUSE;
4808                 break;
4809         case HNS3_FC_NONE:
4810         default:
4811                 fc_conf->mode = RTE_FC_NONE;
4812                 break;
4813         }
4814
4815         return 0;
4816 }
4817
4818 static void
4819 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
4820 {
4821         switch (mode) {
4822         case RTE_FC_NONE:
4823                 hw->requested_mode = HNS3_FC_NONE;
4824                 break;
4825         case RTE_FC_RX_PAUSE:
4826                 hw->requested_mode = HNS3_FC_RX_PAUSE;
4827                 break;
4828         case RTE_FC_TX_PAUSE:
4829                 hw->requested_mode = HNS3_FC_TX_PAUSE;
4830                 break;
4831         case RTE_FC_FULL:
4832                 hw->requested_mode = HNS3_FC_FULL;
4833                 break;
4834         default:
4835                 hw->requested_mode = HNS3_FC_NONE;
4836                 hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
4837                           "configured to RTE_FC_NONE", mode);
4838                 break;
4839         }
4840 }
4841
4842 static int
4843 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4844 {
4845         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4846         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4847         int ret;
4848
4849         if (fc_conf->high_water || fc_conf->low_water ||
4850             fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
4851                 hns3_err(hw, "Unsupported flow control settings specified, "
4852                          "high_water(%u), low_water(%u), send_xon(%u) and "
4853                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4854                          fc_conf->high_water, fc_conf->low_water,
4855                          fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
4856                 return -EINVAL;
4857         }
4858         if (fc_conf->autoneg) {
4859                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4860                 return -EINVAL;
4861         }
4862         if (!fc_conf->pause_time) {
4863                 hns3_err(hw, "Invalid pause time %d setting.",
4864                          fc_conf->pause_time);
4865                 return -EINVAL;
4866         }
4867
4868         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4869             hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
4870                 hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
4871                          "current_fc_status = %d", hw->current_fc_status);
4872                 return -EOPNOTSUPP;
4873         }
4874
4875         hns3_get_fc_mode(hw, fc_conf->mode);
4876         if (hw->requested_mode == hw->current_mode &&
4877             pf->pause_time == fc_conf->pause_time)
4878                 return 0;
4879
4880         rte_spinlock_lock(&hw->lock);
4881         ret = hns3_fc_enable(dev, fc_conf);
4882         rte_spinlock_unlock(&hw->lock);
4883
4884         return ret;
4885 }
4886
4887 static int
4888 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
4889                             struct rte_eth_pfc_conf *pfc_conf)
4890 {
4891         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4892         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4893         uint8_t priority;
4894         int ret;
4895
4896         if (!hns3_dev_dcb_supported(hw)) {
4897                 hns3_err(hw, "This port does not support dcb configurations.");
4898                 return -EOPNOTSUPP;
4899         }
4900
4901         if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
4902             pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
4903                 hns3_err(hw, "Unsupported flow control settings specified, "
4904                          "high_water(%u), low_water(%u), send_xon(%u) and "
4905                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
4906                          pfc_conf->fc.high_water, pfc_conf->fc.low_water,
4907                          pfc_conf->fc.send_xon,
4908                          pfc_conf->fc.mac_ctrl_frame_fwd);
4909                 return -EINVAL;
4910         }
4911         if (pfc_conf->fc.autoneg) {
4912                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
4913                 return -EINVAL;
4914         }
4915         if (pfc_conf->fc.pause_time == 0) {
4916                 hns3_err(hw, "Invalid pause time %d setting.",
4917                          pfc_conf->fc.pause_time);
4918                 return -EINVAL;
4919         }
4920
4921         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
4922             hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
4923                 hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
4924                              "current_fc_status = %d", hw->current_fc_status);
4925                 return -EOPNOTSUPP;
4926         }
4927
4928         priority = pfc_conf->priority;
4929         hns3_get_fc_mode(hw, pfc_conf->fc.mode);
4930         if (hw->dcb_info.pfc_en & BIT(priority) &&
4931             hw->requested_mode == hw->current_mode &&
4932             pfc_conf->fc.pause_time == pf->pause_time)
4933                 return 0;
4934
4935         rte_spinlock_lock(&hw->lock);
4936         ret = hns3_dcb_pfc_enable(dev, pfc_conf);
4937         rte_spinlock_unlock(&hw->lock);
4938
4939         return ret;
4940 }
4941
4942 static int
4943 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
4944 {
4945         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4946         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4947         enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
4948         int i;
4949
4950         rte_spinlock_lock(&hw->lock);
4951         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
4952                 dcb_info->nb_tcs = pf->local_max_tc;
4953         else
4954                 dcb_info->nb_tcs = 1;
4955
4956         for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
4957                 dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
4958         for (i = 0; i < dcb_info->nb_tcs; i++)
4959                 dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
4960
4961         for (i = 0; i < hw->num_tc; i++) {
4962                 dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
4963                 dcb_info->tc_queue.tc_txq[0][i].base =
4964                                                 hw->tc_queue[i].tqp_offset;
4965                 dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
4966                 dcb_info->tc_queue.tc_txq[0][i].nb_queue =
4967                                                 hw->tc_queue[i].tqp_count;
4968         }
4969         rte_spinlock_unlock(&hw->lock);
4970
4971         return 0;
4972 }
4973
4974 static int
4975 hns3_reinit_dev(struct hns3_adapter *hns)
4976 {
4977         struct hns3_hw *hw = &hns->hw;
4978         int ret;
4979
4980         ret = hns3_cmd_init(hw);
4981         if (ret) {
4982                 hns3_err(hw, "Failed to init cmd: %d", ret);
4983                 return ret;
4984         }
4985
4986         ret = hns3_reset_all_queues(hns);
4987         if (ret) {
4988                 hns3_err(hw, "Failed to reset all queues: %d", ret);
4989                 return ret;
4990         }
4991
4992         ret = hns3_init_hardware(hns);
4993         if (ret) {
4994                 hns3_err(hw, "Failed to init hardware: %d", ret);
4995                 return ret;
4996         }
4997
4998         ret = hns3_enable_hw_error_intr(hns, true);
4999         if (ret) {
5000                 hns3_err(hw, "fail to enable hw error interrupts: %d",
5001                              ret);
5002                 return ret;
5003         }
5004         hns3_info(hw, "Reset done, driver initialization finished.");
5005
5006         return 0;
5007 }
5008
5009 static bool
5010 is_pf_reset_done(struct hns3_hw *hw)
5011 {
5012         uint32_t val, reg, reg_bit;
5013
5014         switch (hw->reset.level) {
5015         case HNS3_IMP_RESET:
5016                 reg = HNS3_GLOBAL_RESET_REG;
5017                 reg_bit = HNS3_IMP_RESET_BIT;
5018                 break;
5019         case HNS3_GLOBAL_RESET:
5020                 reg = HNS3_GLOBAL_RESET_REG;
5021                 reg_bit = HNS3_GLOBAL_RESET_BIT;
5022                 break;
5023         case HNS3_FUNC_RESET:
5024                 reg = HNS3_FUN_RST_ING;
5025                 reg_bit = HNS3_FUN_RST_ING_B;
5026                 break;
5027         case HNS3_FLR_RESET:
5028         default:
5029                 hns3_err(hw, "Wait for unsupported reset level: %d",
5030                          hw->reset.level);
5031                 return true;
5032         }
5033         val = hns3_read_dev(hw, reg);
5034         if (hns3_get_bit(val, reg_bit))
5035                 return false;
5036         else
5037                 return true;
5038 }
5039
5040 bool
5041 hns3_is_reset_pending(struct hns3_adapter *hns)
5042 {
5043         struct hns3_hw *hw = &hns->hw;
5044         enum hns3_reset_level reset;
5045
5046         hns3_check_event_cause(hns, NULL);
5047         reset = hns3_get_reset_level(hns, &hw->reset.pending);
5048         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5049                 hns3_warn(hw, "High level reset %d is pending", reset);
5050                 return true;
5051         }
5052         reset = hns3_get_reset_level(hns, &hw->reset.request);
5053         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5054                 hns3_warn(hw, "High level reset %d is request", reset);
5055                 return true;
5056         }
5057         return false;
5058 }
5059
5060 static int
5061 hns3_wait_hardware_ready(struct hns3_adapter *hns)
5062 {
5063         struct hns3_hw *hw = &hns->hw;
5064         struct hns3_wait_data *wait_data = hw->reset.wait_data;
5065         struct timeval tv;
5066
5067         if (wait_data->result == HNS3_WAIT_SUCCESS)
5068                 return 0;
5069         else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
5070                 gettimeofday(&tv, NULL);
5071                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
5072                           tv.tv_sec, tv.tv_usec);
5073                 return -ETIME;
5074         } else if (wait_data->result == HNS3_WAIT_REQUEST)
5075                 return -EAGAIN;
5076
5077         wait_data->hns = hns;
5078         wait_data->check_completion = is_pf_reset_done;
5079         wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
5080                                       HNS3_RESET_WAIT_MS + get_timeofday_ms();
5081         wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
5082         wait_data->count = HNS3_RESET_WAIT_CNT;
5083         wait_data->result = HNS3_WAIT_REQUEST;
5084         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
5085         return -EAGAIN;
5086 }
5087
5088 static int
5089 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
5090 {
5091         struct hns3_cmd_desc desc;
5092         struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
5093
5094         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
5095         hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
5096         req->fun_reset_vfid = func_id;
5097
5098         return hns3_cmd_send(hw, &desc, 1);
5099 }
5100
5101 static int
5102 hns3_imp_reset_cmd(struct hns3_hw *hw)
5103 {
5104         struct hns3_cmd_desc desc;
5105
5106         hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5107         desc.data[0] = 0xeedd;
5108
5109         return hns3_cmd_send(hw, &desc, 1);
5110 }
5111
5112 static void
5113 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5114 {
5115         struct hns3_hw *hw = &hns->hw;
5116         struct timeval tv;
5117         uint32_t val;
5118
5119         gettimeofday(&tv, NULL);
5120         if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5121             hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5122                 hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5123                           tv.tv_sec, tv.tv_usec);
5124                 return;
5125         }
5126
5127         switch (reset_level) {
5128         case HNS3_IMP_RESET:
5129                 hns3_imp_reset_cmd(hw);
5130                 hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5131                           tv.tv_sec, tv.tv_usec);
5132                 break;
5133         case HNS3_GLOBAL_RESET:
5134                 val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5135                 hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5136                 hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5137                 hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5138                           tv.tv_sec, tv.tv_usec);
5139                 break;
5140         case HNS3_FUNC_RESET:
5141                 hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5142                           tv.tv_sec, tv.tv_usec);
5143                 /* schedule again to check later */
5144                 hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5145                 hns3_schedule_reset(hns);
5146                 break;
5147         default:
5148                 hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5149                 return;
5150         }
5151         hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5152 }
5153
5154 static enum hns3_reset_level
5155 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5156 {
5157         struct hns3_hw *hw = &hns->hw;
5158         enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5159
5160         /* Return the highest priority reset level amongst all */
5161         if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5162                 reset_level = HNS3_IMP_RESET;
5163         else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5164                 reset_level = HNS3_GLOBAL_RESET;
5165         else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5166                 reset_level = HNS3_FUNC_RESET;
5167         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5168                 reset_level = HNS3_FLR_RESET;
5169
5170         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5171                 return HNS3_NONE_RESET;
5172
5173         return reset_level;
5174 }
5175
5176 static int
5177 hns3_prepare_reset(struct hns3_adapter *hns)
5178 {
5179         struct hns3_hw *hw = &hns->hw;
5180         uint32_t reg_val;
5181         int ret;
5182
5183         switch (hw->reset.level) {
5184         case HNS3_FUNC_RESET:
5185                 ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5186                 if (ret)
5187                         return ret;
5188
5189                 /*
5190                  * After performaning pf reset, it is not necessary to do the
5191                  * mailbox handling or send any command to firmware, because
5192                  * any mailbox handling or command to firmware is only valid
5193                  * after hns3_cmd_init is called.
5194                  */
5195                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
5196                 hw->reset.stats.request_cnt++;
5197                 break;
5198         case HNS3_IMP_RESET:
5199                 reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5200                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5201                                BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5202                 break;
5203         default:
5204                 break;
5205         }
5206         return 0;
5207 }
5208
5209 static int
5210 hns3_set_rst_done(struct hns3_hw *hw)
5211 {
5212         struct hns3_pf_rst_done_cmd *req;
5213         struct hns3_cmd_desc desc;
5214
5215         req = (struct hns3_pf_rst_done_cmd *)desc.data;
5216         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5217         req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5218         return hns3_cmd_send(hw, &desc, 1);
5219 }
5220
5221 static int
5222 hns3_stop_service(struct hns3_adapter *hns)
5223 {
5224         struct hns3_hw *hw = &hns->hw;
5225         struct rte_eth_dev *eth_dev;
5226
5227         eth_dev = &rte_eth_devices[hw->data->port_id];
5228         if (hw->adapter_state == HNS3_NIC_STARTED)
5229                 rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5230         hw->mac.link_status = ETH_LINK_DOWN;
5231
5232         hns3_set_rxtx_function(eth_dev);
5233         rte_wmb();
5234         /* Disable datapath on secondary process. */
5235         hns3_mp_req_stop_rxtx(eth_dev);
5236         rte_delay_ms(hw->tqps_num);
5237
5238         rte_spinlock_lock(&hw->lock);
5239         if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5240             hw->adapter_state == HNS3_NIC_STOPPING) {
5241                 hns3_do_stop(hns);
5242                 hw->reset.mbuf_deferred_free = true;
5243         } else
5244                 hw->reset.mbuf_deferred_free = false;
5245
5246         /*
5247          * It is cumbersome for hardware to pick-and-choose entries for deletion
5248          * from table space. Hence, for function reset software intervention is
5249          * required to delete the entries
5250          */
5251         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
5252                 hns3_configure_all_mc_mac_addr(hns, true);
5253         rte_spinlock_unlock(&hw->lock);
5254
5255         return 0;
5256 }
5257
5258 static int
5259 hns3_start_service(struct hns3_adapter *hns)
5260 {
5261         struct hns3_hw *hw = &hns->hw;
5262         struct rte_eth_dev *eth_dev;
5263
5264         if (hw->reset.level == HNS3_IMP_RESET ||
5265             hw->reset.level == HNS3_GLOBAL_RESET)
5266                 hns3_set_rst_done(hw);
5267         eth_dev = &rte_eth_devices[hw->data->port_id];
5268         hns3_set_rxtx_function(eth_dev);
5269         hns3_mp_req_start_rxtx(eth_dev);
5270         if (hw->adapter_state == HNS3_NIC_STARTED) {
5271                 hns3_service_handler(eth_dev);
5272
5273                 /* Enable interrupt of all rx queues before enabling queues */
5274                 hns3_dev_all_rx_queue_intr_enable(hw, true);
5275                 /*
5276                  * When finished the initialization, enable queues to receive
5277                  * and transmit packets.
5278                  */
5279                 hns3_enable_all_queues(hw, true);
5280         }
5281
5282         return 0;
5283 }
5284
5285 static int
5286 hns3_restore_conf(struct hns3_adapter *hns)
5287 {
5288         struct hns3_hw *hw = &hns->hw;
5289         int ret;
5290
5291         ret = hns3_configure_all_mac_addr(hns, false);
5292         if (ret)
5293                 return ret;
5294
5295         ret = hns3_configure_all_mc_mac_addr(hns, false);
5296         if (ret)
5297                 goto err_mc_mac;
5298
5299         ret = hns3_dev_promisc_restore(hns);
5300         if (ret)
5301                 goto err_promisc;
5302
5303         ret = hns3_restore_vlan_table(hns);
5304         if (ret)
5305                 goto err_promisc;
5306
5307         ret = hns3_restore_vlan_conf(hns);
5308         if (ret)
5309                 goto err_promisc;
5310
5311         ret = hns3_restore_all_fdir_filter(hns);
5312         if (ret)
5313                 goto err_promisc;
5314
5315         ret = hns3_restore_rx_interrupt(hw);
5316         if (ret)
5317                 goto err_promisc;
5318
5319         ret = hns3_restore_gro_conf(hw);
5320         if (ret)
5321                 goto err_promisc;
5322
5323         if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5324                 ret = hns3_do_start(hns, false);
5325                 if (ret)
5326                         goto err_promisc;
5327                 hns3_info(hw, "hns3 dev restart successful!");
5328         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
5329                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5330         return 0;
5331
5332 err_promisc:
5333         hns3_configure_all_mc_mac_addr(hns, true);
5334 err_mc_mac:
5335         hns3_configure_all_mac_addr(hns, true);
5336         return ret;
5337 }
5338
5339 static void
5340 hns3_reset_service(void *param)
5341 {
5342         struct hns3_adapter *hns = (struct hns3_adapter *)param;
5343         struct hns3_hw *hw = &hns->hw;
5344         enum hns3_reset_level reset_level;
5345         struct timeval tv_delta;
5346         struct timeval tv_start;
5347         struct timeval tv;
5348         uint64_t msec;
5349         int ret;
5350
5351         /*
5352          * The interrupt is not triggered within the delay time.
5353          * The interrupt may have been lost. It is necessary to handle
5354          * the interrupt to recover from the error.
5355          */
5356         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
5357                 rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
5358                 hns3_err(hw, "Handling interrupts in delayed tasks");
5359                 hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5360                 reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5361                 if (reset_level == HNS3_NONE_RESET) {
5362                         hns3_err(hw, "No reset level is set, try IMP reset");
5363                         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5364                 }
5365         }
5366         rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
5367
5368         /*
5369          * Check if there is any ongoing reset in the hardware. This status can
5370          * be checked from reset_pending. If there is then, we need to wait for
5371          * hardware to complete reset.
5372          *    a. If we are able to figure out in reasonable time that hardware
5373          *       has fully resetted then, we can proceed with driver, client
5374          *       reset.
5375          *    b. else, we can come back later to check this status so re-sched
5376          *       now.
5377          */
5378         reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5379         if (reset_level != HNS3_NONE_RESET) {
5380                 gettimeofday(&tv_start, NULL);
5381                 ret = hns3_reset_process(hns, reset_level);
5382                 gettimeofday(&tv, NULL);
5383                 timersub(&tv, &tv_start, &tv_delta);
5384                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
5385                        tv_delta.tv_usec / USEC_PER_MSEC;
5386                 if (msec > HNS3_RESET_PROCESS_MS)
5387                         hns3_err(hw, "%d handle long time delta %" PRIx64
5388                                      " ms time=%ld.%.6ld",
5389                                  hw->reset.level, msec,
5390                                  tv.tv_sec, tv.tv_usec);
5391                 if (ret == -EAGAIN)
5392                         return;
5393         }
5394
5395         /* Check if we got any *new* reset requests to be honored */
5396         reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5397         if (reset_level != HNS3_NONE_RESET)
5398                 hns3_msix_process(hns, reset_level);
5399 }
5400
5401 static const struct eth_dev_ops hns3_eth_dev_ops = {
5402         .dev_start          = hns3_dev_start,
5403         .dev_stop           = hns3_dev_stop,
5404         .dev_close          = hns3_dev_close,
5405         .promiscuous_enable = hns3_dev_promiscuous_enable,
5406         .promiscuous_disable = hns3_dev_promiscuous_disable,
5407         .allmulticast_enable  = hns3_dev_allmulticast_enable,
5408         .allmulticast_disable = hns3_dev_allmulticast_disable,
5409         .mtu_set            = hns3_dev_mtu_set,
5410         .stats_get          = hns3_stats_get,
5411         .stats_reset        = hns3_stats_reset,
5412         .xstats_get         = hns3_dev_xstats_get,
5413         .xstats_get_names   = hns3_dev_xstats_get_names,
5414         .xstats_reset       = hns3_dev_xstats_reset,
5415         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
5416         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
5417         .dev_infos_get          = hns3_dev_infos_get,
5418         .fw_version_get         = hns3_fw_version_get,
5419         .rx_queue_setup         = hns3_rx_queue_setup,
5420         .tx_queue_setup         = hns3_tx_queue_setup,
5421         .rx_queue_release       = hns3_dev_rx_queue_release,
5422         .tx_queue_release       = hns3_dev_tx_queue_release,
5423         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
5424         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
5425         .dev_configure          = hns3_dev_configure,
5426         .flow_ctrl_get          = hns3_flow_ctrl_get,
5427         .flow_ctrl_set          = hns3_flow_ctrl_set,
5428         .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
5429         .mac_addr_add           = hns3_add_mac_addr,
5430         .mac_addr_remove        = hns3_remove_mac_addr,
5431         .mac_addr_set           = hns3_set_default_mac_addr,
5432         .set_mc_addr_list       = hns3_set_mc_mac_addr_list,
5433         .link_update            = hns3_dev_link_update,
5434         .rss_hash_update        = hns3_dev_rss_hash_update,
5435         .rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
5436         .reta_update            = hns3_dev_rss_reta_update,
5437         .reta_query             = hns3_dev_rss_reta_query,
5438         .filter_ctrl            = hns3_dev_filter_ctrl,
5439         .vlan_filter_set        = hns3_vlan_filter_set,
5440         .vlan_tpid_set          = hns3_vlan_tpid_set,
5441         .vlan_offload_set       = hns3_vlan_offload_set,
5442         .vlan_pvid_set          = hns3_vlan_pvid_set,
5443         .get_reg                = hns3_get_regs,
5444         .get_dcb_info           = hns3_get_dcb_info,
5445         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
5446 };
5447
5448 static const struct hns3_reset_ops hns3_reset_ops = {
5449         .reset_service       = hns3_reset_service,
5450         .stop_service        = hns3_stop_service,
5451         .prepare_reset       = hns3_prepare_reset,
5452         .wait_hardware_ready = hns3_wait_hardware_ready,
5453         .reinit_dev          = hns3_reinit_dev,
5454         .restore_conf        = hns3_restore_conf,
5455         .start_service       = hns3_start_service,
5456 };
5457
5458 static int
5459 hns3_dev_init(struct rte_eth_dev *eth_dev)
5460 {
5461         struct hns3_adapter *hns = eth_dev->data->dev_private;
5462         struct hns3_hw *hw = &hns->hw;
5463         int ret;
5464
5465         PMD_INIT_FUNC_TRACE();
5466
5467         eth_dev->process_private = (struct hns3_process_private *)
5468             rte_zmalloc_socket("hns3_filter_list",
5469                                sizeof(struct hns3_process_private),
5470                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
5471         if (eth_dev->process_private == NULL) {
5472                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
5473                 return -ENOMEM;
5474         }
5475         /* initialize flow filter lists */
5476         hns3_filterlist_init(eth_dev);
5477
5478         hns3_set_rxtx_function(eth_dev);
5479         eth_dev->dev_ops = &hns3_eth_dev_ops;
5480         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5481                 ret = hns3_mp_init_secondary();
5482                 if (ret) {
5483                         PMD_INIT_LOG(ERR, "Failed to init for secondary "
5484                                      "process, ret = %d", ret);
5485                         goto err_mp_init_secondary;
5486                 }
5487
5488                 hw->secondary_cnt++;
5489                 return 0;
5490         }
5491
5492         ret = hns3_mp_init_primary();
5493         if (ret) {
5494                 PMD_INIT_LOG(ERR,
5495                              "Failed to init for primary process, ret = %d",
5496                              ret);
5497                 goto err_mp_init_primary;
5498         }
5499
5500         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
5501         hns->is_vf = false;
5502         hw->data = eth_dev->data;
5503
5504         /*
5505          * Set default max packet size according to the mtu
5506          * default vale in DPDK frame.
5507          */
5508         hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
5509
5510         ret = hns3_reset_init(hw);
5511         if (ret)
5512                 goto err_init_reset;
5513         hw->reset.ops = &hns3_reset_ops;
5514
5515         ret = hns3_init_pf(eth_dev);
5516         if (ret) {
5517                 PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
5518                 goto err_init_pf;
5519         }
5520
5521         /* Allocate memory for storing MAC addresses */
5522         eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
5523                                                sizeof(struct rte_ether_addr) *
5524                                                HNS3_UC_MACADDR_NUM, 0);
5525         if (eth_dev->data->mac_addrs == NULL) {
5526                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
5527                              "to store MAC addresses",
5528                              sizeof(struct rte_ether_addr) *
5529                              HNS3_UC_MACADDR_NUM);
5530                 ret = -ENOMEM;
5531                 goto err_rte_zmalloc;
5532         }
5533
5534         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
5535                             &eth_dev->data->mac_addrs[0]);
5536
5537         hw->adapter_state = HNS3_NIC_INITIALIZED;
5538         /*
5539          * Pass the information to the rte_eth_dev_close() that it should also
5540          * release the private port resources.
5541          */
5542         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
5543
5544         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
5545                 hns3_err(hw, "Reschedule reset service after dev_init");
5546                 hns3_schedule_reset(hns);
5547         } else {
5548                 /* IMP will wait ready flag before reset */
5549                 hns3_notify_reset_ready(hw, false);
5550         }
5551
5552         hns3_info(hw, "hns3 dev initialization successful!");
5553         return 0;
5554
5555 err_rte_zmalloc:
5556         hns3_uninit_pf(eth_dev);
5557
5558 err_init_pf:
5559         rte_free(hw->reset.wait_data);
5560
5561 err_init_reset:
5562         hns3_mp_uninit_primary();
5563
5564 err_mp_init_primary:
5565 err_mp_init_secondary:
5566         eth_dev->dev_ops = NULL;
5567         eth_dev->rx_pkt_burst = NULL;
5568         eth_dev->tx_pkt_burst = NULL;
5569         eth_dev->tx_pkt_prepare = NULL;
5570         rte_free(eth_dev->process_private);
5571         eth_dev->process_private = NULL;
5572         return ret;
5573 }
5574
5575 static int
5576 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
5577 {
5578         struct hns3_adapter *hns = eth_dev->data->dev_private;
5579         struct hns3_hw *hw = &hns->hw;
5580
5581         PMD_INIT_FUNC_TRACE();
5582
5583         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
5584                 return -EPERM;
5585
5586         eth_dev->dev_ops = NULL;
5587         eth_dev->rx_pkt_burst = NULL;
5588         eth_dev->tx_pkt_burst = NULL;
5589         eth_dev->tx_pkt_prepare = NULL;
5590         if (hw->adapter_state < HNS3_NIC_CLOSING)
5591                 hns3_dev_close(eth_dev);
5592
5593         hw->adapter_state = HNS3_NIC_REMOVED;
5594         return 0;
5595 }
5596
5597 static int
5598 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
5599                    struct rte_pci_device *pci_dev)
5600 {
5601         return rte_eth_dev_pci_generic_probe(pci_dev,
5602                                              sizeof(struct hns3_adapter),
5603                                              hns3_dev_init);
5604 }
5605
5606 static int
5607 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
5608 {
5609         return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
5610 }
5611
5612 static const struct rte_pci_id pci_id_hns3_map[] = {
5613         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
5614         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
5615         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
5616         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
5617         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
5618         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_200G_RDMA) },
5619         { .vendor_id = 0, /* sentinel */ },
5620 };
5621
5622 static struct rte_pci_driver rte_hns3_pmd = {
5623         .id_table = pci_id_hns3_map,
5624         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
5625         .probe = eth_hns3_pci_probe,
5626         .remove = eth_hns3_pci_remove,
5627 };
5628
5629 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
5630 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
5631 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
5632 RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
5633 RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);